diff --git a/.gitignore b/.gitignore index 73e51296a2..9a253279fb 100644 --- a/.gitignore +++ b/.gitignore @@ -84,3 +84,4 @@ packages/frontend/core/public/static/templates # script af af.cmd +*.resolved diff --git a/.prettierignore b/.prettierignore index 99e291466b..b9f6741fe9 100644 --- a/.prettierignore +++ b/.prettierignore @@ -33,6 +33,7 @@ packages/common/native/fixtures/** packages/common/graphql/src/graphql/index.ts packages/frontend/native/index.d.ts packages/frontend/native/index.js -packages/frontend/apps/android/App/app/build/** +packages/frontend/apps/android/App/** +packages/frontend/apps/ios/App/** tests/blocksuite/snapshots blocksuite/docs/api/** diff --git a/oxlint.json b/oxlint.json index f55ff3a5dc..4b3c4c603a 100644 --- a/oxlint.json +++ b/oxlint.json @@ -34,7 +34,8 @@ "packages/common/graphql/src/graphql/index.ts", "packages/frontend/native/index.d.ts", "packages/frontend/native/index.js", - "packages/frontend/apps/android/App/app/build/**", + "packages/frontend/apps/android/App/**", + "packages/frontend/apps/ios/App/**", "tests/blocksuite/snapshots", "blocksuite/docs/api/**" ], diff --git a/packages/frontend/apps/ios/App/App.xcodeproj/project.pbxproj b/packages/frontend/apps/ios/App/App.xcodeproj/project.pbxproj index 887d8da2a4..eab115a47c 100644 --- a/packages/frontend/apps/ios/App/App.xcodeproj/project.pbxproj +++ b/packages/frontend/apps/ios/App/App.xcodeproj/project.pbxproj @@ -14,6 +14,8 @@ 50A285D72D112A5E000D5A6D /* Localizable.xcstrings in Resources */ = {isa = PBXBuildFile; fileRef = 50A285D62D112A5E000D5A6D /* Localizable.xcstrings */; }; 50A285D82D112A5E000D5A6D /* InfoPlist.xcstrings in Resources */ = {isa = PBXBuildFile; fileRef = 50A285D52D112A5E000D5A6D /* InfoPlist.xcstrings */; }; 50A285DC2D112B24000D5A6D /* Intelligents in Frameworks */ = {isa = PBXBuildFile; productRef = 50A285DB2D112B24000D5A6D /* Intelligents */; }; + 50FF428A2D2E757E0050AA83 /* ApplicationBridgedWindowScript.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50FF42892D2E757E0050AA83 /* ApplicationBridgedWindowScript.swift */; }; + 50FF428C2D2E77CC0050AA83 /* AffineViewController+AIButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50FF428B2D2E77CC0050AA83 /* AffineViewController+AIButton.swift */; }; 9D52FC432D26CDBF00105D0A /* JSValueContainerExt.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9D52FC422D26CDB600105D0A /* JSValueContainerExt.swift */; }; 9D5622962D64A6A5009F1BE4 /* AuthPlugin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9D5622952D64A6A4009F1BE4 /* AuthPlugin.swift */; }; 9D6A85332CCF6DA700DAB35F /* HashcashPlugin.swift in Sources */ = {isa = PBXBuildFile; fileRef = 9D6A85322CCF6DA700DAB35F /* HashcashPlugin.swift */; }; @@ -44,6 +46,9 @@ 50802D5E2D112F7D00694021 /* Intelligents */ = {isa = PBXFileReference; lastKnownFileType = wrapper; path = Intelligents; sourceTree = ""; }; 50A285D52D112A5E000D5A6D /* InfoPlist.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = InfoPlist.xcstrings; sourceTree = ""; }; 50A285D62D112A5E000D5A6D /* Localizable.xcstrings */ = {isa = PBXFileReference; lastKnownFileType = text.json.xcstrings; path = Localizable.xcstrings; sourceTree = ""; }; + 50FEBD7B2D3F7719002847B5 /* ChidoriMenu */ = {isa = PBXFileReference; lastKnownFileType = wrapper; path = ChidoriMenu; sourceTree = ""; }; + 50FF42892D2E757E0050AA83 /* ApplicationBridgedWindowScript.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ApplicationBridgedWindowScript.swift; sourceTree = ""; }; + 50FF428B2D2E77CC0050AA83 /* AffineViewController+AIButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AffineViewController+AIButton.swift"; sourceTree = ""; }; 9D52FC422D26CDB600105D0A /* JSValueContainerExt.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JSValueContainerExt.swift; sourceTree = ""; }; 9D5622952D64A6A4009F1BE4 /* AuthPlugin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AuthPlugin.swift; sourceTree = ""; }; 9D6A85322CCF6DA700DAB35F /* HashcashPlugin.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HashcashPlugin.swift; sourceTree = ""; }; @@ -130,6 +135,7 @@ isa = PBXGroup; children = ( 5039CC962D1D42C700874F32 /* AffineGraphQL */, + 50FEBD7B2D3F7719002847B5 /* ChidoriMenu */, 50802D5E2D112F7D00694021 /* Intelligents */, ); path = Packages; @@ -186,6 +192,8 @@ 9D90BE1C2CCB9876006677DB /* AppDelegate.swift */, 507513692D1924C600AD60C0 /* RootViewController.swift */, 9D90BE1B2CCB9876006677DB /* AffineViewController.swift */, + 50FF428B2D2E77CC0050AA83 /* AffineViewController+AIButton.swift */, + 50FF42892D2E757E0050AA83 /* ApplicationBridgedWindowScript.swift */, 9D90BE1D2CCB9876006677DB /* Assets.xcassets */, 9D90BE1E2CCB9876006677DB /* capacitor.config.json */, 9D90BE1F2CCB9876006677DB /* config.xml */, @@ -358,12 +366,14 @@ 5075136A2D1924C600AD60C0 /* RootViewController.swift in Sources */, C4C97C7C2D030BE000BC2AD1 /* affine_mobile_native.swift in Sources */, 9DAE9BD92D8D1AB0000C1D5A /* AppConfigManager.swift in Sources */, + 50FF428A2D2E757E0050AA83 /* ApplicationBridgedWindowScript.swift in Sources */, C4C97C7D2D030BE000BC2AD1 /* affine_mobile_nativeFFI.h in Sources */, 9D5622962D64A6A5009F1BE4 /* AuthPlugin.swift in Sources */, C4C97C7E2D030BE000BC2AD1 /* affine_mobile_nativeFFI.modulemap in Sources */, E93B276C2CED92B1001409B8 /* NavigationGesturePlugin.swift in Sources */, 9DEC59432D323EE40027CEBD /* Mutex.swift in Sources */, 9D90BE252CCB9876006677DB /* CookieManager.swift in Sources */, + 50FF428C2D2E77CC0050AA83 /* AffineViewController+AIButton.swift in Sources */, 9D90BE262CCB9876006677DB /* CookiePlugin.swift in Sources */, 9D6A85332CCF6DA700DAB35F /* HashcashPlugin.swift in Sources */, 9D90BE272CCB9876006677DB /* AffineViewController.swift in Sources */, diff --git a/packages/frontend/apps/ios/App/App.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved b/packages/frontend/apps/ios/App/App.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved index 198e4b3f07..05d5ff6717 100644 --- a/packages/frontend/apps/ios/App/App.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved +++ b/packages/frontend/apps/ios/App/App.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved @@ -3,37 +3,19 @@ { "identity" : "apollo-ios", "kind" : "remoteSourceControl", - "location" : "https://github.com/apollographql/apollo-ios.git", + "location" : "https://github.com/apollographql/apollo-ios", "state" : { "revision" : "9aa748d6f0526a744d49d59a2383dc7fdf9d645b", "version" : "1.18.0" } }, { - "identity" : "msdisplaylink", + "identity" : "splash", "kind" : "remoteSourceControl", - "location" : "https://github.com/Lakr233/MSDisplayLink", + "location" : "https://github.com/JohnSundell/Splash", "state" : { - "revision" : "c2fcd28cb99300d83acc30860ce252ef97c20b61", - "version" : "1.1.1" - } - }, - { - "identity" : "networkimage", - "kind" : "remoteSourceControl", - "location" : "https://github.com/gonzalezreal/NetworkImage", - "state" : { - "revision" : "2849f5323265386e200484b0d0f896e73c3411b9", - "version" : "6.0.1" - } - }, - { - "identity" : "springinterpolation", - "kind" : "remoteSourceControl", - "location" : "https://github.com/Lakr233/SpringInterpolation", - "state" : { - "revision" : "f9d1ee3d2466bdb00fd0ade7f256ed20229c8413", - "version" : "1.3.0" + "revision" : "7f4df436eb78fe64fe2c32c58006e9949fa28ad8", + "version" : "0.16.0" } }, { @@ -46,12 +28,12 @@ } }, { - "identity" : "swift-cmark", + "identity" : "swift-collections", "kind" : "remoteSourceControl", - "location" : "https://github.com/swiftlang/swift-cmark", + "location" : "https://github.com/apple/swift-collections", "state" : { - "revision" : "3ccff77b2dc5b96b77db3da0d68d28068593fa53", - "version" : "0.5.0" + "revision" : "671108c96644956dddcd89dd59c203dcdb36cec7", + "version" : "1.1.4" } }, { @@ -62,15 +44,6 @@ "revision" : "57051701c58a93603ffa2051f8e9cf0c8cff7814", "version" : "3.3.0" } - }, - { - "identity" : "swift-markdown-ui", - "kind" : "remoteSourceControl", - "location" : "https://github.com/gonzalezreal/swift-markdown-ui", - "state" : { - "revision" : "5f613358148239d0292c0cef674a3c2314737f9e", - "version" : "2.4.1" - } } ], "version" : 2 diff --git a/packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved b/packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved index 198e4b3f07..f2e66c7962 100644 --- a/packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved +++ b/packages/frontend/apps/ios/App/App.xcworkspace/xcshareddata/swiftpm/Package.resolved @@ -10,30 +10,12 @@ } }, { - "identity" : "msdisplaylink", + "identity" : "splash", "kind" : "remoteSourceControl", - "location" : "https://github.com/Lakr233/MSDisplayLink", + "location" : "https://github.com/JohnSundell/Splash", "state" : { - "revision" : "c2fcd28cb99300d83acc30860ce252ef97c20b61", - "version" : "1.1.1" - } - }, - { - "identity" : "networkimage", - "kind" : "remoteSourceControl", - "location" : "https://github.com/gonzalezreal/NetworkImage", - "state" : { - "revision" : "2849f5323265386e200484b0d0f896e73c3411b9", - "version" : "6.0.1" - } - }, - { - "identity" : "springinterpolation", - "kind" : "remoteSourceControl", - "location" : "https://github.com/Lakr233/SpringInterpolation", - "state" : { - "revision" : "f9d1ee3d2466bdb00fd0ade7f256ed20229c8413", - "version" : "1.3.0" + "revision" : "7f4df436eb78fe64fe2c32c58006e9949fa28ad8", + "version" : "0.16.0" } }, { @@ -46,12 +28,12 @@ } }, { - "identity" : "swift-cmark", + "identity" : "swift-collections", "kind" : "remoteSourceControl", - "location" : "https://github.com/swiftlang/swift-cmark", + "location" : "https://github.com/apple/swift-collections", "state" : { - "revision" : "3ccff77b2dc5b96b77db3da0d68d28068593fa53", - "version" : "0.5.0" + "revision" : "671108c96644956dddcd89dd59c203dcdb36cec7", + "version" : "1.1.4" } }, { @@ -62,15 +44,6 @@ "revision" : "57051701c58a93603ffa2051f8e9cf0c8cff7814", "version" : "3.3.0" } - }, - { - "identity" : "swift-markdown-ui", - "kind" : "remoteSourceControl", - "location" : "https://github.com/gonzalezreal/swift-markdown-ui", - "state" : { - "revision" : "5f613358148239d0292c0cef674a3c2314737f9e", - "version" : "2.4.1" - } } ], "version" : 2 diff --git a/packages/frontend/apps/ios/App/App/AffineViewController+AIButton.swift b/packages/frontend/apps/ios/App/App/AffineViewController+AIButton.swift new file mode 100644 index 0000000000..b55e3a4e8c --- /dev/null +++ b/packages/frontend/apps/ios/App/App/AffineViewController+AIButton.swift @@ -0,0 +1,127 @@ +// +// File.swift +// App +// +// Created by 秋星桥 on 2025/1/8. +// + +import UIKit +import Intelligents +import ChidoriMenu + +extension AFFiNEViewController: IntelligentsButtonDelegate, IntelligentsFocusApertureViewDelegate { + func onIntelligentsButtonTapped(_ button: IntelligentsButton) { + guard let webView else { + assertionFailure() // ? wdym ? + return + } + + button.beginProgress() + + let group = DispatchGroup() + + group.enter() + webView.evaluateScript(.getCurrentServerBaseUrl) { result in + self.baseUrl = result as? String + print("[*] setting baseUrl: \(self.baseUrl ?? "")") + group.leave() + } + + group.enter() + webView.evaluateScript(.getCurrentDocId) { result in + self.documentID = result as? String + print("[*] setting documentID: \(self.documentID ?? "")") + group.leave() + } + + group.enter() + webView.evaluateScript(.getCurrentWorkspaceId) { result in + self.workspaceID = result as? String + print("[*] setting workspaceID: \(self.workspaceID ?? "")") + group.leave() + } + + group.enter() + webView.evaluateScript(.getCurrentDocContentInMarkdown) { input in + self.documentContent = input as? String + print("[*] setting documentContent: \(self.documentContent?.count ?? 0) chars") + group.leave() + } + + DispatchQueue.global().asyncAfter(deadline: .now()) { + group.wait() + DispatchQueue.main.async { + button.stopProgress() + webView.resignFirstResponder() + self.openIntelligentsSheet() + } + } + } + + @discardableResult + func openIntelligentsSheet() -> IntelligentsFocusApertureView? { + dismissIntelligentsButton() + view.resignFirstResponder() + // stop scroll on webview + if let contentOffset = webView?.scrollView.contentOffset { + webView?.scrollView.contentOffset = contentOffset + } + let focus = IntelligentsFocusApertureView() + focus.prepareAnimationWith( + capturingTargetContentView: webView ?? .init(), + coveringRootViewController: self + ) + focus.delegate = self + focus.executeAnimationKickIn() + dismissIntelligentsButton() + return focus + } + + func openSimpleChat() { + let targetController = IntelligentsChatController() + presentIntoCurrentContext(withTargetController: targetController) + } + + func focusApertureRequestAction( + from view: IntelligentsFocusApertureView, + actionType: IntelligentsFocusApertureViewActionType + ) { + switch actionType { + case .translateTo: + var actions: [UIAction] = [] + for lang in IntelligentsEphemeralActionController.EphemeralAction.Language.allCases { + actions.append(.init(title: lang.rawValue) { [weak self] _ in + guard let self else { return } + let controller = IntelligentsEphemeralActionController( + action: .translate(to: lang) + ) + controller.workspaceID = workspaceID ?? "" + controller.documentID = documentID ?? "" + controller.documentContent = documentContent ?? "" + controller.configure(previewImage: view.capturedImage ?? .init()) + presentIntoCurrentContext(withTargetController: controller) + }) + } + view.present(menu: .init(children: actions)) { menu in + menu.overrideUserInterfaceStyle = .dark + } + case .summary: + let controller = IntelligentsEphemeralActionController( + action: .summarize + ) + controller.configure(previewImage: view.capturedImage ?? .init()) + controller.workspaceID = workspaceID ?? "" + controller.documentID = documentID ?? "" + controller.documentContent = documentContent ?? "" + presentIntoCurrentContext(withTargetController: controller) + case .chatWithAI: + let controller = IntelligentsChatController() + controller.metadata[.documentID] = documentID + controller.metadata[.workspaceID] = workspaceID + controller.metadata[.content] = documentContent + presentIntoCurrentContext(withTargetController: controller) + case .dismiss: + presentIntelligentsButton() + } + } +} diff --git a/packages/frontend/apps/ios/App/App/AffineViewController.swift b/packages/frontend/apps/ios/App/App/AffineViewController.swift index 9550fd5d19..5a2545e5b2 100644 --- a/packages/frontend/apps/ios/App/App/AffineViewController.swift +++ b/packages/frontend/apps/ios/App/App/AffineViewController.swift @@ -3,6 +3,13 @@ import Intelligents import UIKit class AFFiNEViewController: CAPBridgeViewController { + var baseUrl: String? { + didSet { Intelligents.setUpstreamEndpoint(baseUrl ?? "") } + } + var documentID: String? + var workspaceID: String? + var documentContent: String? + override func viewDidLoad() { super.viewDidLoad() webView?.allowsBackForwardNavigationGestures = true @@ -39,84 +46,6 @@ class AFFiNEViewController: CAPBridgeViewController { super.viewDidAppear(animated) navigationController?.setNavigationBarHidden(false, animated: animated) } - - override func viewDidDisappear(_ animated: Bool) { - super.viewDidDisappear(animated) - } } -extension AFFiNEViewController: IntelligentsButtonDelegate, IntelligentsFocusApertureViewDelegate { - func onIntelligentsButtonTapped(_ button: IntelligentsButton) { - guard let webView else { - assertionFailure() // ? wdym ? - return - } - button.beginProgress() - - let upstreamReaderScript = "window.getCurrentServerBaseUrl();" - webView.evaluateJavaScript(upstreamReaderScript) { result, _ in - if let baseUrl = result as? String { - Intelligents.setUpstreamEndpoint(baseUrl) - } - - let script = "return await window.getCurrentDocContentInMarkdown();" - webView.callAsyncJavaScript( - script, - arguments: [:], - in: nil, - in: .page - ) { result in - button.stopProgress() - webView.resignFirstResponder() - - DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { - if case let .success(content) = result, - let res = content as? String - { - print("[*] \(self) received document with \(res.count) characters") - self.openIntelligentsSheet(withContext: res) - } else { - self.openSimpleChat() - } - } - } - } - } - - func openIntelligentsSheet(withContext context: String) { - guard let view = webView?.subviews.first else { - assertionFailure() - return - } - assert(view is UIScrollView) - _ = context - let focus = IntelligentsFocusApertureView() - focus.prepareAnimationWith( - capturingTargetContentView: view, - coveringRootViewController: self - ) - focus.delegate = self - focus.executeAnimationKickIn() - dismissIntelligentsButton() - } - - func openSimpleChat() { - let targetController = IntelligentsChatController() - presentIntoCurrentContext(withTargetController: targetController) - } - - func focusApertureRequestAction(actionType: IntelligentsFocusApertureViewActionType) { - switch actionType { - case .translateTo: - fatalError("not implemented") - case .summary: - fatalError("not implemented") - case .chatWithAI: - let controller = IntelligentsChatController() - presentIntoCurrentContext(withTargetController: controller) - case .dismiss: - presentIntelligentsButton() - } - } -} diff --git a/packages/frontend/apps/ios/App/App/ApplicationBridgedWindowScript.swift b/packages/frontend/apps/ios/App/App/ApplicationBridgedWindowScript.swift new file mode 100644 index 0000000000..06f275a71c --- /dev/null +++ b/packages/frontend/apps/ios/App/App/ApplicationBridgedWindowScript.swift @@ -0,0 +1,47 @@ +// +// ApplicationBridgedWindowScript.swift +// App +// +// Created by 秋星桥 on 2025/1/8. +// + +import Foundation +import WebKit + +enum ApplicationBridgedWindowScript: String { + case getCurrentDocContentInMarkdown = "return await window.getCurrentDocContentInMarkdown();" + case getCurrentServerBaseUrl = "window.getCurrentServerBaseUrl()" + case getCurrentWorkspaceId = "window.getCurrentWorkspaceId();" + case getCurrentDocId = "window.getCurrentDocId();" + + var requiresAsyncContext: Bool { + switch self { + case .getCurrentDocContentInMarkdown: return true + default: return false + } + } +} + +extension WKWebView { + func evaluateScript(_ script: ApplicationBridgedWindowScript, callback: @escaping (Any?) -> ()) { + if script.requiresAsyncContext { + callAsyncJavaScript( + script.rawValue, + arguments: [:], + in: nil, + in: .page + ) { result in + switch result { + case .success(let input): + callback(input) + case .failure: + callback(nil) + } + } + } else { + evaluateJavaScript(script.rawValue) { output, _ in callback(output) } + } + } +} + + diff --git a/packages/frontend/apps/ios/App/App/uniffi/affine_mobile_native.swift b/packages/frontend/apps/ios/App/App/uniffi/affine_mobile_native.swift index b3251eedf8..45d68f4dc2 100644 --- a/packages/frontend/apps/ios/App/App/uniffi/affine_mobile_native.swift +++ b/packages/frontend/apps/ios/App/App/uniffi/affine_mobile_native.swift @@ -497,7 +497,7 @@ fileprivate struct FfiConverterString: FfiConverter { -public protocol DocStoragePoolProtocol: AnyObject { +public protocol DocStoragePoolProtocol: AnyObject, Sendable { func clearClocks(universalId: String) async throws @@ -573,6 +573,9 @@ open class DocStoragePool: DocStoragePoolProtocol, @unchecked Sendable { // TODO: We'd like this to be `private` but for Swifty reasons, // we can't implement `FfiConverter` without making this `required` and we can't // make it `required` without making it `public`. +#if swift(>=5.8) + @_documentation(visibility: private) +#endif required public init(unsafeFromRawPointer pointer: UnsafeMutableRawPointer) { self.pointer = pointer } @@ -621,7 +624,7 @@ open func clearClocks(universalId: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -641,7 +644,7 @@ open func connect(universalId: String, path: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -658,7 +661,7 @@ open func deleteBlob(universalId: String, key: String, permanently: Bool)async t completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -675,7 +678,7 @@ open func deleteDoc(universalId: String, docId: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -692,7 +695,7 @@ open func disconnect(universalId: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -709,7 +712,7 @@ open func getBlob(universalId: String, key: String)async throws -> Blob? { completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeBlob.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -726,7 +729,7 @@ open func getBlobUploadedAt(universalId: String, peer: String, blobId: String)as completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionInt64.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -743,7 +746,7 @@ open func getDocClock(universalId: String, docId: String)async throws -> DocClo completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -760,7 +763,7 @@ open func getDocClocks(universalId: String, after: Int64?)async throws -> [DocC completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -777,7 +780,7 @@ open func getDocSnapshot(universalId: String, docId: String)async throws -> Doc completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeDocRecord.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -794,7 +797,7 @@ open func getDocUpdates(universalId: String, docId: String)async throws -> [Doc completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeDocUpdate.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -811,7 +814,7 @@ open func getPeerPulledRemoteClock(universalId: String, peer: String, docId: Str completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -828,7 +831,7 @@ open func getPeerPulledRemoteClocks(universalId: String, peer: String)async thro completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -845,7 +848,7 @@ open func getPeerPushedClock(universalId: String, peer: String, docId: String)as completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -862,7 +865,7 @@ open func getPeerPushedClocks(universalId: String, peer: String)async throws -> completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -879,7 +882,7 @@ open func getPeerRemoteClock(universalId: String, peer: String, docId: String)as completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterOptionTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -896,7 +899,7 @@ open func getPeerRemoteClocks(universalId: String, peer: String)async throws -> completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeDocClock.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -913,7 +916,7 @@ open func listBlobs(universalId: String)async throws -> [ListedBlob] { completeFunc: ffi_affine_mobile_native_rust_future_complete_rust_buffer, freeFunc: ffi_affine_mobile_native_rust_future_free_rust_buffer, liftFunc: FfiConverterSequenceTypeListedBlob.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -930,7 +933,7 @@ open func markUpdatesMerged(universalId: String, docId: String, updates: [Int64] completeFunc: ffi_affine_mobile_native_rust_future_complete_u32, freeFunc: ffi_affine_mobile_native_rust_future_free_u32, liftFunc: FfiConverterUInt32.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -947,7 +950,7 @@ open func pushUpdate(universalId: String, docId: String, update: String)async th completeFunc: ffi_affine_mobile_native_rust_future_complete_i64, freeFunc: ffi_affine_mobile_native_rust_future_free_i64, liftFunc: FfiConverterInt64.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -964,7 +967,7 @@ open func releaseBlobs(universalId: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -981,7 +984,7 @@ open func setBlob(universalId: String, blob: SetBlob)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -998,7 +1001,7 @@ open func setBlobUploadedAt(universalId: String, peer: String, blobId: String, u completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1015,7 +1018,7 @@ open func setDocSnapshot(universalId: String, snapshot: DocRecord)async throws completeFunc: ffi_affine_mobile_native_rust_future_complete_i8, freeFunc: ffi_affine_mobile_native_rust_future_free_i8, liftFunc: FfiConverterBool.lift, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1032,7 +1035,7 @@ open func setPeerPulledRemoteClock(universalId: String, peer: String, docId: Str completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1049,7 +1052,7 @@ open func setPeerPushedClock(universalId: String, peer: String, docId: String, c completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1066,7 +1069,7 @@ open func setPeerRemoteClock(universalId: String, peer: String, docId: String, c completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1083,7 +1086,7 @@ open func setSpaceId(universalId: String, spaceId: String)async throws { completeFunc: ffi_affine_mobile_native_rust_future_complete_void, freeFunc: ffi_affine_mobile_native_rust_future_free_void, liftFunc: { $0 }, - errorHandler: FfiConverterTypeUniffiError.lift + errorHandler: FfiConverterTypeUniffiError_lift ) } @@ -1627,7 +1630,7 @@ public func FfiConverterTypeSetBlob_lower(_ value: SetBlob) -> RustBuffer { } -public enum UniffiError { +public enum UniffiError: Swift.Error { diff --git a/packages/frontend/apps/ios/App/Packages/AffineGraphQL/Package.swift b/packages/frontend/apps/ios/App/Packages/AffineGraphQL/Package.swift index c87014c634..4b614e5a17 100644 --- a/packages/frontend/apps/ios/App/Packages/AffineGraphQL/Package.swift +++ b/packages/frontend/apps/ios/App/Packages/AffineGraphQL/Package.swift @@ -14,7 +14,7 @@ let package = Package( .library(name: "AffineGraphQL", targets: ["AffineGraphQL"]), ], dependencies: [ - .package(url: "https://github.com/apollographql/apollo-ios", exact: "1.18.0"), + .package(url: "https://github.com/apollographql/apollo-ios.git", from: "1.0.0"), ], targets: [ .target( diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/.gitignore b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/.gitignore new file mode 100644 index 0000000000..0023a53406 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/.gitignore @@ -0,0 +1,8 @@ +.DS_Store +/.build +/Packages +xcuserdata/ +DerivedData/ +.swiftpm/configuration/registries.json +.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata +.netrc diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.pbxproj b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.pbxproj new file mode 100644 index 0000000000..939bb7ee6d --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.pbxproj @@ -0,0 +1,410 @@ +// !$*UTF8*$! +{ + archiveVersion = 1; + classes = { + }; + objectVersion = 77; + objects = { + +/* Begin PBXBuildFile section */ + 503E58F02D3C0D6B007BD8C6 /* ChidoriMenu in Frameworks */ = {isa = PBXBuildFile; productRef = 503E58EF2D3C0D6B007BD8C6 /* ChidoriMenu */; }; + 503E58F32D3C10BF007BD8C6 /* LookinServer in Frameworks */ = {isa = PBXBuildFile; productRef = 503E58F22D3C10BF007BD8C6 /* LookinServer */; }; + 503E591E2D3D0F1C007BD8C6 /* SPIndicator in Frameworks */ = {isa = PBXBuildFile; productRef = 503E591D2D3D0F1C007BD8C6 /* SPIndicator */; }; +/* End PBXBuildFile section */ + +/* Begin PBXFileReference section */ + 505109962D3C0D1000F62A71 /* ChidoriMenuExample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = ChidoriMenuExample.app; sourceTree = BUILT_PRODUCTS_DIR; }; +/* End PBXFileReference section */ + +/* Begin PBXFileSystemSynchronizedRootGroup section */ + 505109982D3C0D1000F62A71 /* ChidoriMenuExample */ = { + isa = PBXFileSystemSynchronizedRootGroup; + path = ChidoriMenuExample; + sourceTree = ""; + }; +/* End PBXFileSystemSynchronizedRootGroup section */ + +/* Begin PBXFrameworksBuildPhase section */ + 505109932D3C0D1000F62A71 /* Frameworks */ = { + isa = PBXFrameworksBuildPhase; + buildActionMask = 2147483647; + files = ( + 503E58F02D3C0D6B007BD8C6 /* ChidoriMenu in Frameworks */, + 503E58F32D3C10BF007BD8C6 /* LookinServer in Frameworks */, + 503E591E2D3D0F1C007BD8C6 /* SPIndicator in Frameworks */, + ); + runOnlyForDeploymentPostprocessing = 0; + }; +/* End PBXFrameworksBuildPhase section */ + +/* Begin PBXGroup section */ + 5051098D2D3C0D1000F62A71 = { + isa = PBXGroup; + children = ( + 505109982D3C0D1000F62A71 /* ChidoriMenuExample */, + 505109972D3C0D1000F62A71 /* Products */, + ); + sourceTree = ""; + }; + 505109972D3C0D1000F62A71 /* Products */ = { + isa = PBXGroup; + children = ( + 505109962D3C0D1000F62A71 /* ChidoriMenuExample.app */, + ); + name = Products; + sourceTree = ""; + }; +/* End PBXGroup section */ + +/* Begin PBXNativeTarget section */ + 505109952D3C0D1000F62A71 /* ChidoriMenuExample */ = { + isa = PBXNativeTarget; + buildConfigurationList = 505109A42D3C0D1100F62A71 /* Build configuration list for PBXNativeTarget "ChidoriMenuExample" */; + buildPhases = ( + 503E59202D3D34C8007BD8C6 /* Format Source */, + 505109922D3C0D1000F62A71 /* Sources */, + 505109932D3C0D1000F62A71 /* Frameworks */, + 505109942D3C0D1000F62A71 /* Resources */, + ); + buildRules = ( + ); + dependencies = ( + ); + fileSystemSynchronizedGroups = ( + 505109982D3C0D1000F62A71 /* ChidoriMenuExample */, + ); + name = ChidoriMenuExample; + packageProductDependencies = ( + 503E58EF2D3C0D6B007BD8C6 /* ChidoriMenu */, + 503E58F22D3C10BF007BD8C6 /* LookinServer */, + 503E591D2D3D0F1C007BD8C6 /* SPIndicator */, + ); + productName = ChidoriMenuExample; + productReference = 505109962D3C0D1000F62A71 /* ChidoriMenuExample.app */; + productType = "com.apple.product-type.application"; + }; +/* End PBXNativeTarget section */ + +/* Begin PBXProject section */ + 5051098E2D3C0D1000F62A71 /* Project object */ = { + isa = PBXProject; + attributes = { + BuildIndependentTargetsInParallel = 1; + LastSwiftUpdateCheck = 1620; + LastUpgradeCheck = 1620; + TargetAttributes = { + 505109952D3C0D1000F62A71 = { + CreatedOnToolsVersion = 16.2; + }; + }; + }; + buildConfigurationList = 505109912D3C0D1000F62A71 /* Build configuration list for PBXProject "ChidoriMenuExample" */; + developmentRegion = en; + hasScannedForEncodings = 0; + knownRegions = ( + en, + Base, + ); + mainGroup = 5051098D2D3C0D1000F62A71; + minimizedProjectReferenceProxies = 1; + packageReferences = ( + 503E58F12D3C10BF007BD8C6 /* XCRemoteSwiftPackageReference "LookinServer" */, + 503E591C2D3D0F1C007BD8C6 /* XCRemoteSwiftPackageReference "SPIndicator" */, + ); + preferredProjectObjectVersion = 77; + productRefGroup = 505109972D3C0D1000F62A71 /* Products */; + projectDirPath = ""; + projectRoot = ""; + targets = ( + 505109952D3C0D1000F62A71 /* ChidoriMenuExample */, + ); + }; +/* End PBXProject section */ + +/* Begin PBXResourcesBuildPhase section */ + 505109942D3C0D1000F62A71 /* Resources */ = { + isa = PBXResourcesBuildPhase; + buildActionMask = 2147483647; + files = ( + ); + runOnlyForDeploymentPostprocessing = 0; + }; +/* End PBXResourcesBuildPhase section */ + +/* Begin PBXShellScriptBuildPhase section */ + 503E59202D3D34C8007BD8C6 /* Format Source */ = { + isa = PBXShellScriptBuildPhase; + alwaysOutOfDate = 1; + buildActionMask = 2147483647; + files = ( + ); + inputFileListPaths = ( + ); + inputPaths = ( + ); + name = "Format Source"; + outputFileListPaths = ( + ); + outputPaths = ( + ); + runOnlyForDeploymentPostprocessing = 0; + shellPath = /bin/zsh; + shellScript = "swiftformat . --swiftversion 6.0 --indent 4 || true\n"; + }; +/* End PBXShellScriptBuildPhase section */ + +/* Begin PBXSourcesBuildPhase section */ + 505109922D3C0D1000F62A71 /* Sources */ = { + isa = PBXSourcesBuildPhase; + buildActionMask = 2147483647; + files = ( + ); + runOnlyForDeploymentPostprocessing = 0; + }; +/* End PBXSourcesBuildPhase section */ + +/* Begin XCBuildConfiguration section */ + 505109A22D3C0D1100F62A71 /* Debug */ = { + isa = XCBuildConfiguration; + buildSettings = { + ALWAYS_SEARCH_USER_PATHS = NO; + ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES; + CLANG_ANALYZER_NONNULL = YES; + CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = 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XCBuildConfiguration section */ + +/* Begin XCConfigurationList section */ + 505109912D3C0D1000F62A71 /* Build configuration list for PBXProject "ChidoriMenuExample" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 505109A22D3C0D1100F62A71 /* Debug */, + 505109A32D3C0D1100F62A71 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; + 505109A42D3C0D1100F62A71 /* Build configuration list for PBXNativeTarget "ChidoriMenuExample" */ = { + isa = XCConfigurationList; + buildConfigurations = ( + 505109A52D3C0D1100F62A71 /* Debug */, + 505109A62D3C0D1100F62A71 /* Release */, + ); + defaultConfigurationIsVisible = 0; + defaultConfigurationName = Release; + }; +/* End XCConfigurationList section */ + +/* Begin XCRemoteSwiftPackageReference section */ + 503E58F12D3C10BF007BD8C6 /* XCRemoteSwiftPackageReference "LookinServer" */ = { + isa = XCRemoteSwiftPackageReference; + repositoryURL = "https://github.com/QMUI/LookinServer/"; + requirement = { + kind = upToNextMajorVersion; + minimumVersion = 1.2.8; + }; + }; + 503E591C2D3D0F1C007BD8C6 /* XCRemoteSwiftPackageReference "SPIndicator" */ = { + isa = XCRemoteSwiftPackageReference; + repositoryURL = "https://github.com/ivanvorobei/SPIndicator"; + requirement = { + kind = upToNextMajorVersion; + minimumVersion = 1.6.5; + }; + }; +/* End XCRemoteSwiftPackageReference section */ + +/* Begin XCSwiftPackageProductDependency section */ + 503E58EF2D3C0D6B007BD8C6 /* ChidoriMenu */ = { + isa = XCSwiftPackageProductDependency; + productName = ChidoriMenu; + }; + 503E58F22D3C10BF007BD8C6 /* LookinServer */ = { + isa = XCSwiftPackageProductDependency; + package = 503E58F12D3C10BF007BD8C6 /* XCRemoteSwiftPackageReference "LookinServer" */; + productName = LookinServer; + }; + 503E591D2D3D0F1C007BD8C6 /* SPIndicator */ = { + isa = XCSwiftPackageProductDependency; + package = 503E591C2D3D0F1C007BD8C6 /* XCRemoteSwiftPackageReference "SPIndicator" */; + productName = SPIndicator; + }; +/* End XCSwiftPackageProductDependency section */ + }; + rootObject = 5051098E2D3C0D1000F62A71 /* Project object */; +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000000..919434a625 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcodeproj/project.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcworkspace/contents.xcworkspacedata b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000000..c4b4e132cb --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,10 @@ + + + + + + + diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/App.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/App.swift new file mode 100644 index 0000000000..c212d9de1b --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/App.swift @@ -0,0 +1,394 @@ +// +// App.swift +// ChidoriMenuExample +// +// Created by 秋星桥 on 1/19/25. +// + +import ChidoriMenu +import SPIndicator +import SwiftUI + +@main +struct ChidoriMenuExampleApp: App { + var body: some Scene { + WindowGroup { + ContentView() + } + } +} + +struct ContentView: View { + var body: some View { + NavigationView { + Content() + .ignoresSafeArea() + .navigationTitle("Chidori Menu") + } + .navigationViewStyle(.stack) + } +} + +struct Content: UIViewControllerRepresentable { + class ContentController: UIViewController, UITableViewDelegate, UITableViewDataSource { + let tableView = UITableView(frame: .zero, style: .insetGrouped) + override func viewDidLoad() { + super.viewDidLoad() + tableView.delegate = self + tableView.dataSource = self + tableView.tableFooterView = FooterButton() + view.addSubview(tableView) + } + + override func viewWillLayoutSubviews() { + super.viewWillLayoutSubviews() + tableView.frame = view.bounds + } + + struct Menu { + let title: String + let menu: UIMenu + } + + var firstMenu: Menu = .init(title: "Show Menu Set", menu: .init(children: [ + UIAction( + title: "Copy", + image: UIImage(systemName: "doc.on.doc"), + state: .on + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled, + state: .off + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete", + image: UIImage(systemName: "trash"), + attributes: .destructive, + state: .mixed + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ])) + + var secondMenu: Menu = .init(title: "Show Nested Menu Set", menu: .init(title: "Root Menu", children: [ + UIAction( + title: "Copy", + image: UIImage(systemName: "doc.on.doc"), + state: .on + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIMenu( + title: "Child Menu", + image: .init(systemName: "menucard"), + children: [ + UIAction( + title: "Copy", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIMenu( + title: "Child Menu", + image: .init(systemName: "menucard"), + children: [ + UIAction( + title: "Copy", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + ] + ), + ] + ), + UIMenu( + title: "Inline Menu", + image: UIImage(systemName: "arrow.right"), + options: [.displayInline], + children: [ + UIAction( + title: "Copy", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + ])) + + var veryLongMenu: Menu = .init(title: "Show Looong Menu Set", menu: .init(title: "Root Menu", children: [ + UIAction( + title: "Copy 1", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 1", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 1", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + UIMenu( + options: [.displayInline], + children: [ + UIAction( + title: "Copy 2", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 2", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 2", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + UIMenu( + options: [.displayInline], + children: [ + UIAction( + title: "Copy 3", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 3", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 3", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + UIMenu( + title: "Submenu Here", + children: [ + UIAction( + title: "Copy 4", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 4", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 4", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + UIMenu( + title: "Hello World", + options: [.displayInline], + children: [ + UIAction( + title: "Copy 5", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 5", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 5", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + UIMenu( + options: [.displayInline], + children: [ + UIAction( + title: "Copy 6", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 6", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 6", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + UIMenu( + options: [.displayInline], + children: [ + UIAction( + title: "Copy 7", + image: UIImage(systemName: "doc.on.doc") + ) { _ in + SPIndicatorView(title: "Copied", preset: .done).present() + }, + UIAction( + title: "Paste 7", + image: UIImage(systemName: "doc.on.doc"), + attributes: .disabled + ) { _ in + SPIndicatorView(title: "Pasted", preset: .done).present() + }, + UIAction( + title: "Delete 7", + image: UIImage(systemName: "trash"), + attributes: .destructive + ) { _ in + SPIndicatorView(title: "Delete", preset: .done).present() + }, + ] + ), + ])) + + var menuList: [Menu] { [ + firstMenu, + secondMenu, + veryLongMenu, + ] } + + func numberOfSections(in _: UITableView) -> Int { + 1 + } + + func tableView(_: UITableView, numberOfRowsInSection _: Int) -> Int { + menuList.count + } + + func tableView(_: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { + let cell = UITableViewCell(style: .default, reuseIdentifier: nil) + let menu = menuList[indexPath.row] + cell.textLabel?.text = menu.title + cell.accessoryType = .disclosureIndicator + return cell + } + + func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { + tableView.deselectRow(at: indexPath, animated: true) + guard let cell = tableView.cellForRow(at: indexPath) else { return } + let anchorView = UIView() + cell.addSubview(anchorView) + anchorView.frame = .init( + x: cell.bounds.midX, + y: cell.bounds.midY, + width: 0, + height: 0 + ) + let menu = menuList[indexPath.row].menu + anchorView.present(menu: menu) + anchorView.removeFromSuperview() + } + + func tableView(_ tableView: UITableView, viewForHeaderInSection _: Int) -> UIView? { + let view = UIView() + view.frame = .init(x: 0, y: 0, width: tableView.bounds.width, height: 20) + return view + } + } + + func makeUIViewController(context _: Context) -> ContentController { + ContentController() + } + + func updateUIViewController(_: ContentController, context _: Context) {} +} + +class FooterButton: UIButton { + init() { + super.init(frame: .init(x: 0, y: 0, width: 200, height: 44)) + setTitle("Test Menu", for: .normal) + setTitleColor(.systemBlue, for: .normal) + titleLabel?.font = .preferredFont(forTextStyle: .footnote) + + interactions = [UIContextMenuInteraction(delegate: self)] + + addTarget(self, action: #selector(buttonTapped), for: .touchUpInside) + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + @objc func buttonTapped() { + presentMenu() + } + + override func contextMenuInteraction(_: UIContextMenuInteraction, configurationForMenuAtLocation _: CGPoint) -> UIContextMenuConfiguration? { + .init(identifier: nil, previewProvider: nil) { items in + .init(title: "Hello World", children: items + [UIAction(title: "Action A") { _ in + SPIndicator.present(title: "Action A", haptic: .success) + }]) + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/ChidoriMenuExample.entitlements b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/ChidoriMenuExample.entitlements new file mode 100644 index 0000000000..ee95ab7e58 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Example/ChidoriMenuExample/ChidoriMenuExample.entitlements @@ -0,0 +1,10 @@ + + + + + com.apple.security.app-sandbox + + com.apple.security.network.client + + + diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/LICENSE b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/LICENSE new file mode 100644 index 0000000000..855945d7bb --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2021 Christian Selig & Lakr Aream + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Package.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Package.swift new file mode 100644 index 0000000000..cf98b34ff2 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Package.swift @@ -0,0 +1,18 @@ +// swift-tools-version: 5.8 +// The swift-tools-version declares the minimum version of Swift required to build this package. + +import PackageDescription + +let package = Package( + name: "ChidoriMenu", + platforms: [.iOS(.v15), .macCatalyst(.v15)], + products: [ + .library( + name: "ChidoriMenu", + targets: ["ChidoriMenu"] + ), + ], + targets: [ + .target(name: "ChidoriMenu"), + ] +) diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/README.md b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/README.md new file mode 100644 index 0000000000..5a7f74dd8b --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/README.md @@ -0,0 +1,46 @@ +# ChidoriMenu 🐦⚡️ + +A seamless drop-in replacement for UIMenu & UIAction, featuring nested menu support and dark mode compatibility. + +The inspiration behind this project stems from Apple's lack of a unified interface across iOS and Mac Catalyst apps, as well as the absence of a built-in menu presentation method. To address these gaps—and to enable greater customization—we developed ChidoriMenu. + +This project draws heavily on code from [ChidoriMenu](https://github.com/christianselig/ChidoriMenu), and as such, we adhere to the same license. + +## Preview + +![Screenshot](./Resources/IMG_4262.JPG) + +## Features + +- [x] Added support for UIMenu & UIAction +- [x] Added drop-in replacement for `_presentMenuAtLocation:` (not recommended for general use) +- [x] Added support for nested menus in child elements +- [x] Added support for the `.displayInline` menu option +- [x] Added compatibility with dark mode +- [x] Fixed scrolling issues during selection +- [x] Fixed multiple actions triggering simultaneously +- [ ] Added support for UIDeferredMenuElement (Contributions Welcome!) + +## Requirements + +- iOS 15.0 or later +- macCatalyst 15.0 or later + +## Usage + +Getting started is straightforward. While the interface differs slightly from Apple's menu implementation, the core principles remain the same. Mac Catalyst is fully supported, though it does not bridge to AppKit menus—it functions identically to iOS. + +```swift +UIButton.presentMenu() +UIView.present(menu: menu) +``` + +For detailed examples, check out the example project included in the repository. + +## License + +ChidoriMenu is available under the MIT license. See the LICENSE file for more info. + +--- + +2025.1.20 - Made with ❤️ by Lakr233 diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Resources/IMG_4262.JPG b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Resources/IMG_4262.JPG new file mode 100644 index 0000000000..5730a82890 Binary files /dev/null and b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Resources/IMG_4262.JPG differ diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Cell.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Cell.swift new file mode 100644 index 0000000000..b096dc333d --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Cell.swift @@ -0,0 +1,114 @@ +// +// ChidoriMenu+Cell.swift +// Chidori +// +// Created by Christian Selig on 2021-02-16. +// + +import UIKit + +extension ChidoriMenu { + class Cell: UITableViewCell { + var menuTitle: String = "" { + didSet { textLabel?.text = menuTitle } + } + + var isDestructive: Bool = false { + didSet { + let color: UIColor = isDestructive ? .systemRed : .label + textLabel?.textColor = color + imageView?.tintColor = color + } + } + + var iconImage: UIImage? { + didSet { imageView?.image = iconImage } + } + + override var accessibilityHint: String? { + get { super.accessibilityHint ?? menuTitle } + set { super.accessibilityHint = newValue } + } + + let sep = UIView() + + override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { + super.init(style: style, reuseIdentifier: reuseIdentifier) + backgroundColor = .clear + selectionStyle = .none + accessibilityTraits = [.button] + textLabel?.textColor = .label + imageView?.contentMode = .scaleAspectFit + imageView?.tintColor = .label + accessoryView?.isUserInteractionEnabled = false + preservesSuperviewLayoutMargins = false + separatorInset = UIEdgeInsets.zero + layoutMargins = UIEdgeInsets.zero + sep.backgroundColor = ChidoriMenu.dimmingSectionSepratorColor + contentView.addSubview(sep) + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { fatalError() } + + override func layoutSubviews() { + super.layoutSubviews() + sep.frame = .init( + x: 0, + y: 0, + width: bounds.width, + height: 1 + ) + } + + override func setSelected(_ selected: Bool, animated: Bool) { + super.setSelected(selected, animated: animated) + backgroundColor = selected ? Self.highlightCoverColor : .clear + } + + override func setHighlighted(_ highlighted: Bool, animated: Bool) { + super.setSelected(highlighted, animated: animated) + backgroundColor = highlighted ? Self.highlightCoverColor : .clear + } + } + + class HeaderCell: UIView { + let titleLabel: UILabel = .init() + + init() { + super.init(frame: .zero) + + titleLabel.font = UIFont.preferredFont(forTextStyle: .footnote) + titleLabel.numberOfLines = 1 + titleLabel.textColor = .secondaryLabel + titleLabel.textAlignment = .left + addSubview(titleLabel) + + titleLabel.translatesAutoresizingMaskIntoConstraints = false + + NSLayoutConstraint.activate([ + titleLabel.leadingAnchor.constraint( + equalTo: leadingAnchor, + constant: 8 + ), + titleLabel.trailingAnchor.constraint( + equalTo: trailingAnchor, + constant: -8 + ), + titleLabel.centerYAnchor.constraint( + equalTo: centerYAnchor, + constant: -ChidoriMenu.sectionTopPadding / 2 + ), + ]) + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + override func layoutSubviews() { + super.layoutSubviews() + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Constant.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Constant.swift new file mode 100644 index 0000000000..1c36a2bfd2 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Constant.swift @@ -0,0 +1,26 @@ +// +// ChidoriMenu+Constant.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +extension ChidoriMenu { + static let width: CGFloat = 256 + static let cornerRadius: CGFloat = 14 + static let shadowRadius: CGFloat = cornerRadius + static let sectionTopPadding: CGFloat = 6 + static let offsetY: CGFloat = 10 + + static let dimmingBackgroundColor = UIColor.black.withAlphaComponent(0.2) + static let dimmingSectionSepratorColor = UIColor.black.withAlphaComponent(0.2) + static let dimmingSectionSepratorHeight: CGFloat = 4 + + static let stackScaleFactor: CGFloat = 0.05 +} + +extension ChidoriMenu.Cell { + static let highlightCoverColor = UIColor.black.withAlphaComponent(0.1) +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+DataSource.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+DataSource.swift new file mode 100644 index 0000000000..0532505212 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+DataSource.swift @@ -0,0 +1,125 @@ +// +// ChidoriMenu+DataSource.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import Foundation +import UIKit + +extension ChidoriMenu { + struct MenuSection: Identifiable, Hashable { + let id = UUID() + let title: String + } + + struct MenuContent: Identifiable, Hashable { + let id = UUID() + let content: Content + enum Content { + case action(UIAction) + case submenu(UIMenu) +// case deferred(([UIMenuElement]) -> ()) + } + + func hash(into hasher: inout Hasher) { + hasher.combine(id) + } + + static func == (lhs: ChidoriMenu.MenuContent, rhs: ChidoriMenu.MenuContent) -> Bool { + lhs.hashValue == rhs.hashValue + } + } +} + +extension ChidoriMenu.MenuContent { + var description: String { + switch content { + case let .action(action): + "action: \(action.title)" + case let .submenu(menu): + "submenu: \(menu.title)" + } + } +} + +extension ChidoriMenu { + typealias DataSource = UITableViewDiffableDataSource + typealias Snapshot = NSDiffableDataSourceSnapshot + + func updateSnapshot() { + var snapshot = Snapshot() + let contents = flatMap(menu: menu) + for (section, items) in contents { + snapshot.appendSections([section]) + snapshot.appendItems(items, toSection: section) + } + dataSource.apply(snapshot, animatingDifferences: false) + } + + func flatMap(menu: UIMenu) -> [(MenuSection, [MenuContent])] { + var result: [(MenuSection, [MenuContent])] = [] + + var sectionTitle: String = menu.title + var sectionBuilder: [MenuContent] = [] + + let sectionBuilderCommit = { + defer { + sectionTitle = "" + sectionBuilder = [] + } + guard !sectionBuilder.isEmpty else { return } + let section = MenuSection(title: sectionTitle) + result.append((section, sectionBuilder)) + } + + for element in menu.children { + if let action = element as? UIAction { + sectionBuilder.append(.init(content: .action(action))) + continue + } + if let childMenu = element as? UIMenu { + if childMenu.options.contains(.displayInline) { + sectionBuilderCommit() + for (section, items) in flatMap(menu: childMenu) { + result.append((section, items)) + } + continue + } + sectionBuilder.append(.init(content: .submenu(childMenu))) + continue + } + if let deferred = element as? UIDeferredMenuElement { + // TODO: IMPL + assertionFailure("current \(deferred) unsupported") + } + assertionFailure("unknown menu element") + } + sectionBuilderCommit() + + return result + } + + func executeAction(_ indexPath: IndexPath) { + guard let action = dataSource.itemIdentifier(for: indexPath) else { return } + guard let cell = tableView.cellForRow(at: indexPath) else { return } + for indexPath in tableView.indexPathsForSelectedRows ?? [] { + tableView.deselectRow(at: indexPath, animated: true) + } + let content = action.content + switch content { + case let .action(action): + action.execute() + presentingParent?.dismiss(animated: true) + case let .submenu(menu): + cell.present(menu: menu, anchorPoint: .init( + x: cell.convert(cell.bounds, to: cell.window ?? .init()).midX, + y: cell.convert(.zero, to: cell.window ?? .init()).minY - ChidoriMenu.offsetY + )) + iterateMenusInStack { + $0.menuStackScaleFactor *= 1 - ChidoriMenu.stackScaleFactor + } + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Gesture.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Gesture.swift new file mode 100644 index 0000000000..c1a1c47c61 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Gesture.swift @@ -0,0 +1,31 @@ +// +// ChidoriMenu+Gesture.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +extension ChidoriMenu { + @objc func panned(panGestureRecognizer: UIPanGestureRecognizer) { + let offsetInTableView = panGestureRecognizer.location(in: tableView) + guard let indexPath = tableView.indexPathForRow(at: offsetInTableView) else { + // If we pan outside the table and there's a cell selected, unselect it + for indexPath in tableView.indexPathsForSelectedRows ?? [] { + tableView.deselectRow(at: indexPath, animated: false) + } + return + } + if panGestureRecognizer.state == .ended { + // Treat is as a tap + for indexPath in tableView.indexPathsForSelectedRows ?? [] { + tableView.deselectRow(at: indexPath, animated: false) + } + executeAction(indexPath) + } else { + // This API always confuses me, it does not *select* the cell in a way that would call `didSelectRowAtIndexPath`, this just visually highlights it! + tableView.selectRow(at: indexPath, animated: false, scrollPosition: .none) + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+TableView.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+TableView.swift new file mode 100644 index 0000000000..af727a469c --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+TableView.swift @@ -0,0 +1,78 @@ +// +// ChidoriMenu+TableView.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +extension ChidoriMenu: UITableViewDelegate { + func cell(forRowAtIndex indexPath: IndexPath, dataSource: DataSource) -> UITableViewCell? { + guard let section = dataSource.sectionIdentifier(for: indexPath.section), + let item = dataSource.itemIdentifier(for: indexPath) + else { return nil } + let cell = tableView.dequeueReusableCell( + withIdentifier: String(describing: Cell.self), + for: indexPath + ) as! Cell + switch item.content { + case let .action(action): + cell.menuTitle = action.title + cell.iconImage = action.image + cell.isDestructive = action.attributes.contains(.destructive) + switch action.state { + case .on: cell.accessoryType = .checkmark + case .mixed: cell.accessoryType = .detailButton + default: cell.accessoryType = .none + } + cell.accessoryView?.tintColor = .label + case let .submenu(menu): + cell.menuTitle = menu.title + cell.iconImage = menu.image + cell.isDestructive = false + cell.accessoryType = .disclosureIndicator + cell.accessoryView?.tintColor = .label + } + if section.title.isEmpty, indexPath.row == 0, indexPath.section == 0 { + cell.sep.isHidden = true + } else { + cell.sep.isHidden = false + } + return cell + } + + public func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? { + if section == tableView.numberOfSections - 1 { return nil } + let footerView = UIView(frame: .zero) + footerView.backgroundColor = ChidoriMenu.dimmingSectionSepratorColor + return footerView + } + + public func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat { + if section == tableView.numberOfSections - 1 { return 0 } + return ChidoriMenu.dimmingSectionSepratorHeight + } + + public func tableView(_: UITableView, didSelectRowAt indexPath: IndexPath) { + executeAction(indexPath) + } + + public func tableView(_: UITableView, heightForHeaderInSection section: Int) -> CGFloat { + guard let section = dataSource.sectionIdentifier(for: section) else { + return 0 + } + if section.title.isEmpty { return 0 } + return UIFont.preferredFont(forTextStyle: .footnote).lineHeight + 8 + } + + public func tableView(_: UITableView, viewForHeaderInSection section: Int) -> UIView? { + guard let section = dataSource.sectionIdentifier(for: section) else { + return nil + } + if section.title.isEmpty { return nil } + let cell = HeaderCell() + cell.titleLabel.text = section.title + return cell + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Transition.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Transition.swift new file mode 100644 index 0000000000..8ba3556e92 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu+Transition.swift @@ -0,0 +1,51 @@ +// +// ChidoriMenu+Transition.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +extension ChidoriMenu: UIViewControllerTransitioningDelegate { + public func animationController( + forPresented _: UIViewController, + presenting _: UIViewController, + source _: UIViewController + ) -> UIViewControllerAnimatedTransitioning? { + transitionController = ChidoriAnimationController(type: .presentation) + return transitionController + } + + public func interactionControllerForPresentation( + using _: UIViewControllerAnimatedTransitioning + ) -> UIViewControllerInteractiveTransitioning? { + transitionController + } + + public func animationController( + forDismissed _: UIViewController + ) -> UIViewControllerAnimatedTransitioning? { + ChidoriAnimationController(type: .dismissal) + } + + public func presentationController( + forPresented presented: UIViewController, + presenting: UIViewController?, + source _: UIViewController + ) -> UIPresentationController? { + let controller = ChidoriPresentationController( + presentedViewController: presented, + presenting: presenting + ) + controller.transitionDelegate = self + return controller + } +} + +extension ChidoriMenu: ChidoriPresentationController.Delegate { + func didTapOverlayView(_: ChidoriPresentationController) { + transitionController?.cancelTransition() + dismiss(animated: true) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu.swift new file mode 100644 index 0000000000..7e2ba8a2b6 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/ChidoriMenu.swift @@ -0,0 +1,189 @@ +// +// ChidoriMenu.swift +// Chidori +// +// Created by Christian Selig on 2021-02-15. +// + +import UIKit + +public class ChidoriMenu: UIViewController { + let tableView: UITableView + var dataSource: DataSource! + + let menu: UIMenu + let anchorPoint: CGPoint + + let backgroundView = UIView() + let shadowView = UIView() + let panGestureRecognizer: UIPanGestureRecognizer = .init() + + var transitionController: ChidoriAnimationController? + var height: CGFloat { + tableView.sizeThatFits( + CGSize( + width: ChidoriMenu.width, + height: CGFloat.greatestFiniteMagnitude + ) + ).height.rounded(.up) + } + + var presentingParent: UIViewController? { + var parent: UIViewController? = presentingViewController + while let superMenu = parent as? ChidoriMenu { + parent = superMenu.presentingViewController + } + return parent + } + + var menuStackScaleFactor: CGFloat = 1.0 { + didSet { UIView.animate( + withDuration: 0.5, + delay: 0, + usingSpringWithDamping: 1.0, + initialSpringVelocity: 0.8 + ) { [self] in + let factor = menuStackScaleFactor + view.transform = CGAffineTransform(scaleX: factor, y: factor) + view.layoutIfNeeded() + } } + } + + required init(menu: UIMenu, anchorPoint: CGPoint) { + self.menu = menu + self.anchorPoint = anchorPoint + + tableView = TableView(frame: .zero, style: .plain) + + tableView.register(Cell.self, forCellReuseIdentifier: String(describing: Cell.self)) + tableView.dataSource = dataSource + + super.init(nibName: nil, bundle: nil) + + dataSource = DataSource( + tableView: tableView + ) { [weak self] _, indexPath, _ -> UITableViewCell? in + guard let self else { return nil } + return cell(forRowAtIndex: indexPath, dataSource: dataSource) + } + + modalPresentationStyle = .custom + transitioningDelegate = self + } + + @available(*, unavailable) + public required init?(coder _: NSCoder) { fatalError() } + + override public func viewDidLoad() { + super.viewDidLoad() + + view.backgroundColor = .clear + view.layer.masksToBounds = false + + shadowView.backgroundColor = .systemBackground + shadowView.layer.shadowColor = UIColor { provider in + switch provider.userInterfaceStyle { + case .dark: UIColor.black.withAlphaComponent(0.25) + default: UIColor.black.withAlphaComponent(0.1) + } + }.cgColor + shadowView.layer.shadowOpacity = 1 + shadowView.layer.shadowOffset = .zero + shadowView.layer.shadowRadius = 8 + shadowView.layer.cornerRadius = ChidoriMenu.cornerRadius + view.addSubview(shadowView) + + backgroundView.backgroundColor = .init(red: 0.2, green: 0.2, blue: 0.2, alpha: 1) + backgroundView.layer.masksToBounds = true + backgroundView.layer.cornerRadius = ChidoriMenu.cornerRadius + backgroundView.layer.cornerCurve = .continuous + view.addSubview(backgroundView) + + tableView.separatorInset = .zero + tableView.contentInset = .zero + tableView.delegate = self + tableView.translatesAutoresizingMaskIntoConstraints = false + tableView.backgroundColor = .clear + tableView.allowsMultipleSelection = false + tableView.selectionFollowsFocus = true + tableView.allowsSelection = true + tableView.allowsFocus = false + tableView.sectionHeaderTopPadding = Self.sectionTopPadding + tableView.verticalScrollIndicatorInsets = UIEdgeInsets( + top: ChidoriMenu.cornerRadius, + left: 0.0, + bottom: ChidoriMenu.cornerRadius, + right: 0.0 + ) + backgroundView.addSubview(tableView) + + tableView.estimatedSectionHeaderHeight = 0.0 + tableView.estimatedRowHeight = 0.0 + tableView.estimatedSectionFooterHeight = 0.0 + + panGestureRecognizer.addTarget( + self, + action: #selector(panned(panGestureRecognizer:)) + ) + panGestureRecognizer.cancelsTouchesInView = true + tableView.addGestureRecognizer(panGestureRecognizer) + + updateSnapshot() + } + + override public func viewDidAppear(_ animated: Bool) { + super.viewDidAppear(animated) + transitionController = nil + } + + override public func viewDidLayoutSubviews() { + super.viewDidLayoutSubviews() + + backgroundView.frame = view.bounds + let contentFrame = backgroundView.bounds + tableView.separatorStyle = .none + tableView.frame = .init( + x: contentFrame.minX, + y: contentFrame.minY, + width: contentFrame.width, + height: contentFrame.height + ) + + shadowView.layer.shadowPath = UIBezierPath( + roundedRect: .init( + x: 0, + y: 0, + width: ChidoriMenu.width, + height: tableView.frame.height + ), + cornerRadius: ChidoriMenu.cornerRadius + ).cgPath + + let isTableViewNotFullyVisible = tableView.contentSize.height > view.bounds.height + tableView.isScrollEnabled = isTableViewNotFullyVisible + panGestureRecognizer.isEnabled = !isTableViewNotFullyVisible + } + + override public func dismiss(animated flag: Bool, completion: (() -> Void)? = nil) { + let superController = presentingViewController as? ChidoriMenu + superController?.menuStackScaleFactor = 1.0 + super.dismiss(animated: flag, completion: completion) + } + + func dismissIfEmpty() { + var count = 0 + for idx in 0 ..< dataSource.numberOfSections(in: tableView) { + count += dataSource.tableView(tableView, numberOfRowsInSection: idx) + } + guard count <= 0 else { return } + dismiss(animated: true) + } + + func iterateMenusInStack(_ executing: @escaping (ChidoriMenu) -> Void) { + var parent: ChidoriMenu? = self + while let currentParent = parent { + executing(currentParent) + parent = currentParent.presentingViewController as? ChidoriMenu + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIButton.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIButton.swift new file mode 100644 index 0000000000..25cd7b9c18 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIButton.swift @@ -0,0 +1,60 @@ +// +// Present+UIButton.swift +// +// +// Created by QAQ on 2023/9/16. +// + +import UIKit + +public extension UIButton { + func presentMenu() { + guard let menu = retrieveMenu() else { return } + present(menu: menu) + } +} + +extension UIButton { + private func retrieveMenu() -> UIMenu? { + for interaction in interactions { + if let menuInteraction = interaction as? UIContextMenuInteraction, + let menuConfig = menuInteraction.delegate?.contextMenuInteraction( + menuInteraction, + configurationForMenuAtLocation: .zero + ), + let menu = menuConfig.retrieveMenu() + { + return menu + } + } + if let menuConfig = contextMenuInteraction( + .init(delegate: RetrieveMenuDelegate.shared), + configurationForMenuAtLocation: .zero + ), let menu = menuConfig.retrieveMenu() { + return menu + } + return nil + } +} + +private class RetrieveMenuDelegate: NSObject, UIContextMenuInteractionDelegate { + static let shared = RetrieveMenuDelegate() + func contextMenuInteraction( + _: UIContextMenuInteraction, + configurationForMenuAtLocation _: CGPoint + ) -> UIContextMenuConfiguration? { + nil + } +} + +private extension UIContextMenuConfiguration { + func retrieveMenu() -> UIMenu? { + guard responds(to: NSSelectorFromString(["Provider", "action"].reversed().joined())), + let actionProvider = value(forKey: ["Provider", "action", "_"].reversed().joined()) + else { return nil } + typealias ActionProviderBlock = @convention(block) ([UIMenuElement]) -> (UIMenu?) + let blockPtr = UnsafeRawPointer(Unmanaged.passUnretained(actionProvider as AnyObject).toOpaque()) + let handler = unsafeBitCast(blockPtr, to: ActionProviderBlock.self) + return handler([]) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIView.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIView.swift new file mode 100644 index 0000000000..c7cdbddbb8 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/Present+UIView.swift @@ -0,0 +1,25 @@ +// +// Present+UIView.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +public extension UIView { + func present(menu: UIMenu, anchorPoint: CGPoint? = nil, onMenuCreated: (ChidoriMenu) -> Void = { _ in }) { + guard let presenter = parentViewController else { return } + let chidoriMenu = ChidoriMenu( + menu: menu, + anchorPoint: anchorPoint ?? convert(.init( + x: bounds.midX, + y: bounds.midY + ), to: window) + ) + onMenuCreated(chidoriMenu) + presenter.present(chidoriMenu, animated: true) { + chidoriMenu.dismissIfEmpty() + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIAction.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIAction.swift new file mode 100644 index 0000000000..62d2bf239f --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIAction.swift @@ -0,0 +1,20 @@ +// +// UIAction.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +extension UIAction { + func execute() { + guard responds(to: NSSelectorFromString("handler")), + let handler = value(forKey: "_handler") + else { return } + typealias ActionBlock = @convention(block) (UIAction) -> Void + let blockPtr = UnsafeRawPointer(Unmanaged.passUnretained(handler as AnyObject).toOpaque()) + let block = unsafeBitCast(blockPtr, to: ActionBlock.self) + return block(self) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIView.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIView.swift new file mode 100644 index 0000000000..bf0afd70c7 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Extension/UIView.swift @@ -0,0 +1,21 @@ +// +// UIView.swift +// +// +// Created by QAQ on 2023/9/16. +// + +import UIKit + +extension UIView { + var parentViewController: UIViewController? { + weak var parentResponder: UIResponder? = self + while parentResponder != nil { + parentResponder = parentResponder!.next + if let viewController = parentResponder as? UIViewController { + return viewController + } + } + return nil + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriAnimationController.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriAnimationController.swift new file mode 100644 index 0000000000..950920f6f5 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriAnimationController.swift @@ -0,0 +1,139 @@ +// +// ChidoriAnimationController.swift +// Chidori +// +// Created by Christian Selig on 2021-02-15. +// + +import UIKit + +private typealias ChidoriDelegateProtocol = AnyObject + & UIViewControllerAnimatedTransitioning + & UIViewControllerInteractiveTransitioning + +class ChidoriAnimationController: NSObject, ChidoriDelegateProtocol { + enum AnimationControllerType { case presentation, dismissal } + + let type: AnimationControllerType + var animator: UIViewPropertyAnimator? + + weak var context: UIViewControllerContextTransitioning? + + init(type: AnimationControllerType) { + self.type = type + } + + func transitionDuration( + using _: UIViewControllerContextTransitioning? + ) -> TimeInterval { + switch type { + case .presentation: + 0.5 + case .dismissal: + 0.35 + } + } + + func startInteractiveTransition( + _ transitionContext: UIViewControllerContextTransitioning + ) { + context = transitionContext + animateTransition(using: transitionContext) + } + + func cancelTransition() { + guard let context, let animator else { return } + context.cancelInteractiveTransition() + animator.isReversed = true + animator.startAnimation() + + guard type == .presentation else { return } + if let presentingController = context.viewController(forKey: .from) { + presentingController.view.tintAdjustmentMode = .automatic + } + } + + func animateTransition(using transitionContext: UIViewControllerContextTransitioning) { + let interruptableAnimator = interruptibleAnimator(using: transitionContext) + + switch type { + case .presentation: + if let menu = transitionContext.viewController( + forKey: .to + ) as? ChidoriMenu { transitionContext.containerView.addSubview(menu.view) } + + if let presentingController = transitionContext.viewController( + forKey: .from + ) { presentingController.view.tintAdjustmentMode = .dimmed } + case .dismissal: + if let presentingController = transitionContext.viewController( + forKey: .to + ) { presentingController.view.tintAdjustmentMode = .automatic } + } + + interruptableAnimator.startAnimation() + } + + func interruptibleAnimator( + using context: UIViewControllerContextTransitioning + ) -> UIViewImplicitlyAnimating { + if let animator { return animator } + + let duration = transitionDuration(using: context) + let propertyAnimator = UIViewPropertyAnimator( + duration: duration, + timingParameters: UISpringTimingParameters( + dampingRatio: 0.8, + initialVelocity: .init(dx: 0.8, dy: 0.8) + ) + ) + + propertyAnimator.isInterruptible = true + propertyAnimator.isUserInteractionEnabled = true + + let isPresenting = type == .presentation + + guard let menu = ( + isPresenting + ? context.viewController(forKey: .to) + : context.viewController(forKey: .from) + ) as? ChidoriMenu else { + preconditionFailure() + } + + let finalFrame = context.finalFrame(for: menu) + menu.view.frame = finalFrame + + let translationRequired: CGVector = .init( + dx: 0, + dy: menu.view.frame.height * -0.1 + ) + + let initialAlpha: CGFloat = isPresenting ? 0.0 : 1.0 + let finalAlpha: CGFloat = isPresenting ? 1.0 : 0.0 + + let transform = CGAffineTransform( + translationX: translationRequired.dx, + y: translationRequired.dy + ).scaledBy(x: 0.9, y: 0.9) + let initialTransform = isPresenting ? transform : .identity + let finalTransform = isPresenting ? .identity : transform + + menu.view.transform = initialTransform + .concatenating(menu.view.transform) + menu.view.alpha = initialAlpha + + propertyAnimator.addAnimations { + menu.view.transform = finalTransform + menu.view.alpha = finalAlpha + } + + propertyAnimator.addCompletion { _ in + context.completeTransition(!context.transitionWasCancelled) + self.animator = nil + } + + animator = propertyAnimator + return propertyAnimator + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriPresentationController.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriPresentationController.swift new file mode 100644 index 0000000000..377e1fd717 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/ChidoriPresentationController.swift @@ -0,0 +1,121 @@ +// +// ChidoriPresentationController.swift +// Chidori +// +// Created by Christian Selig on 2021-02-15. +// + +import UIKit + +class ChidoriPresentationController: UIPresentationController { + let dimmView: UIView = .init() + var minimalEdgeInset: CGFloat = 10 + + protocol Delegate: AnyObject { + func didTapOverlayView(_ chidoriPresentationController: ChidoriPresentationController) + } + + weak var transitionDelegate: Delegate? + + override func presentationTransitionWillBegin() { + super.presentationTransitionWillBegin() + + guard let containerView else { return } + + dimmView.translatesAutoresizingMaskIntoConstraints = false + dimmView.isUserInteractionEnabled = true + dimmView.isAccessibilityElement = true + dimmView.accessibilityTraits = .button + dimmView.accessibilityHint = NSLocalizedString("Close Menu", comment: "") + dimmView.backgroundColor = ChidoriMenu.dimmingBackgroundColor + dimmView.alpha = 0.0 + + presentingViewController.view.tintAdjustmentMode = .dimmed + containerView.addSubview(dimmView) + + NSLayoutConstraint.activate([ + containerView.leadingAnchor.constraint(equalTo: dimmView.leadingAnchor), + containerView.trailingAnchor.constraint(equalTo: dimmView.trailingAnchor), + containerView.topAnchor.constraint(equalTo: dimmView.topAnchor), + containerView.bottomAnchor.constraint(equalTo: dimmView.bottomAnchor), + ]) + + let tapGesture = UITapGestureRecognizer(target: nil, action: nil) + tapGesture.addTarget(self, action: #selector(dimmViewTapped)) + dimmView.addGestureRecognizer(tapGesture) + + if let transitionCoordinator = presentingViewController.transitionCoordinator { + transitionCoordinator.animate { _ in self.dimmView.alpha = 1.0 } + } + } + + override func dismissalTransitionWillBegin() { + super.dismissalTransitionWillBegin() + presentingViewController.view.tintAdjustmentMode = .automatic + + if let transitionCoordinator = presentingViewController.transitionCoordinator { + transitionCoordinator.animate { _ in self.dimmView.alpha = 0.0 } + } + } + + override func dismissalTransitionDidEnd(_ completed: Bool) { + super.dismissalTransitionDidEnd(completed) + + if completed { dimmView.removeFromSuperview() } + } + + override var frameOfPresentedViewInContainerView: CGRect { + guard let menu = presentedViewController as? ChidoriMenu else { + return .zero + } + var height = menu.height + if let heightLimit = containerView?.bounds.height { + height = min(height, heightLimit * 0.75) + } + let menuSize = CGSize(width: ChidoriMenu.width, height: height) + let originatingPoint = calculateOriginatingPoint( + anchorPoint: menu.anchorPoint, + menuSize: menuSize + ) + return CGRect(origin: originatingPoint, size: menuSize) + } + + private func calculateOriginatingPoint( + anchorPoint: CGPoint, + menuSize: CGSize + ) -> CGPoint { + guard let containerView else { return .zero } + + let x: CGFloat = { + let requiredMinX = anchorPoint.x - ChidoriMenu.width / 2 + let maxPossibleX = minimalEdgeInset + + containerView.safeAreaInsets.left + let rightMostPermissableXPosition = containerView.bounds.width + - minimalEdgeInset + - containerView.safeAreaInsets.right + - menuSize.width + return min( + rightMostPermissableXPosition, + max(requiredMinX, maxPossibleX) + ) + }() + + let y: CGFloat = { + let maxY = anchorPoint.y + menuSize.height + minimalEdgeInset + ChidoriMenu.offsetY + let allowedY = containerView.bounds.height - containerView.safeAreaInsets.bottom + if maxY < allowedY { return anchorPoint.y + ChidoriMenu.offsetY /* move below a little bit */ } + // if not, iOS tries to keep as much in the bottom half of the screen as possible + // to be closer to where the thumb normally is, presumably + return containerView.bounds.height + - minimalEdgeInset + - containerView.safeAreaInsets.bottom + - menuSize.height + }() + + return CGPoint(x: x, y: y) + } + + @objc func dimmViewTapped() { + transitionDelegate?.didTapOverlayView(self) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/TableView.swift b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/TableView.swift new file mode 100644 index 0000000000..2214fff209 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/ChidoriMenu/Sources/ChidoriMenu/Supplement/TableView.swift @@ -0,0 +1,15 @@ +// +// TableView.swift +// ChidoriMenu +// +// Created by 秋星桥 on 1/19/25. +// + +import UIKit + +class TableView: UITableView { +// - (BOOL)allowsHeaderViewsToFloat; +// - (BOOL)allowsFooterViewsToFloat; + @objc var allowsHeaderViewsToFloat: Bool { false } + @objc var allowsFooterViewsToFloat: Bool { false } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.resolved b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.resolved index e61877399d..96fcf491f8 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.resolved +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.resolved @@ -14,8 +14,8 @@ "kind" : "remoteSourceControl", "location" : "https://github.com/Lakr233/MSDisplayLink", "state" : { - "revision" : "c2fcd28cb99300d83acc30860ce252ef97c20b61", - "version" : "1.1.1" + "revision" : "6e92b5513e3473e064685e64056c4ac46470e7b0", + "version" : "2.0.3" } }, { diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift index 7271306fed..1d7dd7d312 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Package.swift @@ -14,21 +14,21 @@ let package = Package( .library(name: "Intelligents", targets: ["Intelligents"]), ], dependencies: [ - .package(url: "https://github.com/gonzalezreal/swift-markdown-ui", from: "2.4.1"), - .package(url: "https://github.com/Lakr233/SpringInterpolation", from: "1.3.0"), - .package(url: "https://github.com/Lakr233/MSDisplayLink", from: "1.1.1"), .package(path: "../AffineGraphQL"), + .package(path: "../ChidoriMenu"), + .package(path: "../MarkdownView"), .package(url: "https://github.com/apollographql/apollo-ios.git", from: "1.18.0"), .package(url: "https://github.com/LaunchDarkly/swift-eventsource.git", from: "3.3.0"), + .package(url: "https://github.com/apple/swift-collections", from: "1.1.4"), ], targets: [ .target(name: "Intelligents", dependencies: [ "AffineGraphQL", - "SpringInterpolation", - "MSDisplayLink", - .product(name: "MarkdownUI", package: "swift-markdown-ui"), + "ChidoriMenu", + "MarkdownView", .product(name: "Apollo", package: "apollo-ios"), .product(name: "LDSwiftEventSource", package: "swift-eventsource"), + .product(name: "OrderedCollections", package: "swift-collections"), ]), ] ) diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Extension/Ext+UIViewController.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Extension/Ext+UIViewController.swift index 7d33129aeb..eb58f6849f 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Extension/Ext+UIViewController.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Extension/Ext+UIViewController.swift @@ -37,14 +37,16 @@ public extension UIViewController { } func presentError(_ error: Error, onDismiss: @escaping () -> Void = {}) { - let alert = UIAlertController( - title: "Error".localized(), - message: error.localizedDescription, - preferredStyle: .alert - ) - alert.addAction(UIAlertAction(title: "OK".localized(), style: .default) { _ in - onDismiss() - }) - present(alert, animated: true) + DispatchQueue.main.async { [self] in + let alert = UIAlertController( + title: "Error".localized(), + message: error.localizedDescription, + preferredStyle: .alert + ) + alert.addAction(UIAlertAction(title: "OK".localized(), style: .default) { _ in + onDismiss() + }) + present(alert, animated: true) + } } } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton+Control.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton+Control.swift index 0c7e0f62b6..117c2c594d 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton+Control.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton+Control.swift @@ -57,13 +57,23 @@ public extension UIViewController { button.transform = .identity button.setNeedsLayout() self.view.layoutIfNeeded() + } completion: { _ in + button.isUserInteractionEnabled = true } } - func dismissIntelligentsButton() { + func dismissIntelligentsButton(animated: Bool = true) { guard let button = findIntelligentsButton() else { return } print("[*] \(button) is calling \(#function)") + button.isUserInteractionEnabled = false + + if !animated { + button.stopProgress() + button.isHidden = true + return + } + button.stopProgress() button.setNeedsLayout() view.layoutIfNeeded() diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton.swift index 947bcc313b..60572c95b0 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsButton/IntelligentsButton.swift @@ -43,6 +43,7 @@ public class IntelligentsButton: UIView { image.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -imageInsetValue), ].forEach { $0.isActive = true } + activityIndicator.translatesAutoresizingMaskIntoConstraints = false addSubview(activityIndicator) [ activityIndicator.centerXAnchor.constraint(equalTo: centerXAnchor), @@ -74,17 +75,25 @@ public class IntelligentsButton: UIView { layer.cornerRadius = bounds.width / 2 } + private var allowedTap = true + @objc func tapped() { + guard allowedTap else { return } delegate?.onIntelligentsButtonTapped(self) } public func beginProgress() { + allowedTap = false activityIndicator.startAnimating() activityIndicator.isHidden = false + image.isHidden = true + bringSubviewToFront(activityIndicator) } public func stopProgress() { + allowedTap = true activityIndicator.stopAnimating() activityIndicator.isHidden = true + image.isHidden = false } } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+BaseCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+BaseCell.swift deleted file mode 100644 index 0f2a4b2372..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+BaseCell.swift +++ /dev/null @@ -1,100 +0,0 @@ -// -// ChatTableView+BaseCell.swift -// Intelligents -// -// Created by 秋星桥 on 2024/11/18. -// - -import UIKit - -private let initialInsetValue: CGFloat = 24 - -extension ChatTableView { - class BaseCell: UITableViewCell { - var inset: UIEdgeInsets { // available for overrides - .init( - top: initialInsetValue / 2, - left: initialInsetValue, - bottom: initialInsetValue / 2, - right: initialInsetValue - ) - } - - let containerView = UIView() - let roundedBackgroundView = UIView() - - var viewModel: AnyObject? { - didSet { update(via: viewModel) } - } - - enum BackgroundColorType { - case clear - case highlight - case warning - case lightGray - } - - var backgroundColorType: BackgroundColorType = .clear { - didSet { - roundedBackgroundView.backgroundColor = backgroundColorType.color - } - } - - override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { - super.init(style: style, reuseIdentifier: reuseIdentifier) - selectionStyle = .none - backgroundColor = .clear - - roundedBackgroundView.clipsToBounds = true - roundedBackgroundView.layer.cornerRadius = 8 - roundedBackgroundView.layer.masksToBounds = true - - contentView.addSubview(roundedBackgroundView) - roundedBackgroundView.translatesAutoresizingMaskIntoConstraints = false - [ // inset half of the container view - roundedBackgroundView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: inset.left / 2), - roundedBackgroundView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -inset.right / 2), - roundedBackgroundView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: inset.top / 2), - roundedBackgroundView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -inset.bottom / 2), - ].forEach { $0.isActive = true } - - contentView.addSubview(containerView) - containerView.translatesAutoresizingMaskIntoConstraints = false - [ - containerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: inset.left), - containerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -inset.right), - containerView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: inset.top), - containerView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -inset.bottom), - ].forEach { $0.isActive = true } - } - - @available(*, unavailable) - required init?(coder _: NSCoder) { - fatalError() - } - - override func prepareForReuse() { - super.prepareForReuse() - viewModel = nil - } - - func update(via object: AnyObject?) { - _ = object - } - } -} - -extension ChatTableView.BaseCell.BackgroundColorType { - var color: UIColor { - switch self { - case .clear: - .clear - case .highlight: - .accent - case .warning: - .systemRed.withAlphaComponent(0.1) - case .lightGray: - .systemGray.withAlphaComponent(0.1) - } - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+ChatCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+ChatCell.swift deleted file mode 100644 index 44300b1dad..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/Cell/ChatTableView+ChatCell.swift +++ /dev/null @@ -1,124 +0,0 @@ -// -// ChatTableView+ChatCell.swift -// Intelligents -// -// Created by 秋星桥 on 2024/11/18. -// - -import MarkdownUI -import UIKit - -extension ChatTableView { - class ChatCell: BaseCell { - let avatarView = CircleImageView() - let titleLabel = UILabel() - let markdownContainer = UIView() - - var markdownView: UIView? - var removableConstraints: [NSLayoutConstraint] = [] - - override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { - super.init(style: style, reuseIdentifier: reuseIdentifier) - - let spacingElement: CGFloat = 12 - let avatarSize: CGFloat = 24 - - containerView.addSubview(avatarView) - avatarView.translatesAutoresizingMaskIntoConstraints = false - [ - avatarView.leadingAnchor.constraint(equalTo: containerView.leadingAnchor), - avatarView.topAnchor.constraint(equalTo: containerView.topAnchor), - avatarView.widthAnchor.constraint(equalToConstant: avatarSize), - avatarView.heightAnchor.constraint(equalToConstant: avatarSize), - ].forEach { $0.isActive = true } - - titleLabel.font = .systemFont(ofSize: UIFont.labelFontSize, weight: .bold) - containerView.addSubview(titleLabel) - titleLabel.translatesAutoresizingMaskIntoConstraints = false - [ - titleLabel.leadingAnchor.constraint(equalTo: avatarView.trailingAnchor, constant: spacingElement), - titleLabel.centerYAnchor.constraint(equalTo: avatarView.centerYAnchor), - titleLabel.trailingAnchor.constraint(equalTo: containerView.trailingAnchor), - ].forEach { $0.isActive = true } - - containerView.addSubview(markdownContainer) - markdownContainer.translatesAutoresizingMaskIntoConstraints = false - [ - markdownContainer.topAnchor.constraint(greaterThanOrEqualTo: avatarView.bottomAnchor, constant: spacingElement), - markdownContainer.topAnchor.constraint(greaterThanOrEqualTo: titleLabel.bottomAnchor, constant: spacingElement), - markdownContainer.leadingAnchor.constraint(equalTo: containerView.leadingAnchor, constant: 0), - markdownContainer.trailingAnchor.constraint(equalTo: containerView.trailingAnchor, constant: 0), - markdownContainer.bottomAnchor.constraint(equalTo: containerView.bottomAnchor, constant: 0), - ].forEach { $0.isActive = true } - } - - @available(*, unavailable) - required init?(coder _: NSCoder) { - fatalError() - } - - override func update(via object: AnyObject?) { - super.update(via: object) - - guard let viewModel = object as? ViewModel else { - return - } - - switch viewModel.participant { - case .system: - avatarView.image = UIImage(systemName: "gearshape.fill") - titleLabel.text = "System".localized() - backgroundColorType = .warning - case .assistant: - avatarView.image = UIImage(named: "spark", in: .module, with: .none) - titleLabel.text = "AFFiNE AI".localized() - backgroundColorType = .lightGray - case .user: - avatarView.image = UIImage(systemName: "person.fill") - titleLabel.text = "You".localized() - backgroundColorType = .clear - } - - removableConstraints.forEach { $0.isActive = false } - if let markdownView { markdownView.removeFromSuperview() } - markdownContainer.subviews.forEach { $0.removeFromSuperview() } - - let hostingView: UIView = UIHostingView( - rootView: Markdown(.init(viewModel.markdownDocument)) - ) - defer { markdownView = hostingView } - markdownContainer.addSubview(hostingView) - - hostingView.translatesAutoresizingMaskIntoConstraints = false - [ - hostingView.topAnchor.constraint(equalTo: markdownContainer.topAnchor), - hostingView.leadingAnchor.constraint(equalTo: markdownContainer.leadingAnchor), - hostingView.trailingAnchor.constraint(lessThanOrEqualTo: markdownContainer.trailingAnchor), - hostingView.bottomAnchor.constraint(equalTo: markdownContainer.bottomAnchor), - ].forEach { - $0.isActive = true - removableConstraints.append($0) - } - } - } -} - -extension ChatTableView.ChatCell { - class ViewModel { - let participant: Participant - var markdownDocument: String - - init(participant: Participant, markdownDocument: String) { - self.participant = participant - self.markdownDocument = markdownDocument - } - } -} - -extension ChatTableView.ChatCell.ViewModel { - enum Participant { - case user - case assistant - case system - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Data.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Data.swift deleted file mode 100644 index 61faabcddc..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Data.swift +++ /dev/null @@ -1,57 +0,0 @@ -// -// ChatTableView+Data.swift -// Intelligents -// -// Created by 秋星桥 on 2024/11/18. -// - -import UIKit - -extension ChatTableView { - struct DataElement { - enum CellType: String, CaseIterable { - case base - case chat - } - - let type: CellType - let object: AnyObject? - - init(type: CellType, object: AnyObject?) { - self.type = type - self.object = object - } - } -} - -extension ChatTableView.DataElement.CellType { - var cellClassType: ChatTableView.BaseCell.Type { - switch self { - case .base: - ChatTableView.BaseCell.self - case .chat: - ChatTableView.ChatCell.self - } - } - - var cellIdentifier: String { - NSStringFromClass(cellClassType) - } -} - -extension ChatTableView: UITableViewDelegate, UITableViewDataSource { - func numberOfSections(in _: UITableView) -> Int { - 1 - } - - func tableView(_: UITableView, numberOfRowsInSection _: Int) -> Int { - dataSource.count - } - - func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { - let cell = tableView.dequeueReusableCell(withIdentifier: dataSource[indexPath.row].type.cellIdentifier, for: indexPath) as! BaseCell - let object = dataSource[indexPath.row].object - cell.update(via: object) - return cell - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Scroll.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Scroll.swift deleted file mode 100644 index 6e2c80a627..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView+Scroll.swift +++ /dev/null @@ -1,113 +0,0 @@ -// -// ChatTableView+Scroll.swift -// Intelligents -// -// Created by 秋星桥 on 2024/12/23. -// - -import MSDisplayLink -import SpringInterpolation -import UIKit - -extension ChatTableView: UIScrollViewDelegate, DisplayLinkDelegate { - func synchronization() { - let now = Date() - defer { scrollAnimationDeltaTimeHolder = now } - var deltaTime = now.timeIntervalSince(scrollAnimationDeltaTimeHolder) - if deltaTime > 0.5 { deltaTime = 0.5 } - guard scrollToBottomEnabled else { return } - DispatchQueue.main.async { self.tikVsync(deltaTime: deltaTime * 2) } - } - - var bottomLocationY: CGFloat { - tableView.contentSize.height - tableView.bounds.height - } - - private func tikVsync(deltaTime: TimeInterval) { - guard scrollToBottomEnabled else { return } - guard scrollToBottomAllowed else { return } - // read from contentSize if not needed to scroll - guard tableView.contentSize.height > tableView.bounds.height else { - resetAnimationContext(to: tableView.contentOffset.y) - return - } - guard abs(bottomLocationY - tableView.contentOffset.y) > 1 else { - return - } - scrollAnimationContext.setTarget(bottomLocationY) - scrollAnimationContext.update(withDeltaTime: deltaTime) - tableView.contentOffset.y = scrollAnimationContext.value - } - - @inline(__always) - func resetAnimationContext(to offset: CGFloat) { - scrollAnimationContext.context = .init( - currentPos: offset, - currentVel: 0, - targetPos: offset - ) - } - - func presentScrollBottomIfNeeded() { - let visible = !scrollToBottomEnabled && scrollToBottomAllowed - UIView.animate(withDuration: 0.25) { [self] in - scrollDownButton.alpha = visible ? 1 : 0 - } - } - - func animationEnabledToggleDidSet(oldValue: Bool) { - assert(Thread.isMainThread) - guard scrollToBottomEnabled != oldValue else { return } - resetAnimationContext(to: tableView.contentOffset.y) - } - - func animationAllowedToggleDidSet(oldValue: Bool) { - assert(Thread.isMainThread) - guard scrollToBottomAllowed != oldValue else { return } - resetAnimationContext(to: tableView.contentOffset.y) - } - - func scrollViewDidScroll(_ scrollView: UIScrollView) { - processScrollView(scrollView) - } - - func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate _: Bool) { - processScrollView(scrollView) - } - - func scrollViewDidEndScrollingAnimation(_ scrollView: UIScrollView) { - processScrollView(scrollView) - } - - func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) { - processScrollView(scrollView) - } - - @inline(__always) - private func processScrollView(_ scrollView: UIScrollView) { - guard let tableView = scrollView as? UITableView else { - assertionFailure() - return - } - processTableViewMovements(tableView) - } - - private func processTableViewMovements(_ tableView: UITableView) { - defer { presentScrollBottomIfNeeded() } - if tableView.isDragging { - scrollToBottomEnabled = false - scrollToBottomAllowed = false - } else { - // 如果没在减速 就开启 允许滚动 - scrollToBottomAllowed = !tableView.isDecelerating - // 如果滚到底了 就开启 自动滚动 - let isBottom = tableView.contentOffset.y >= bottomLocationY - if isBottom { scrollToBottomEnabled = true } - } - } - - func scrollToBottom() { - scrollToBottomEnabled = true - scrollToBottomAllowed = true - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView.swift deleted file mode 100644 index 143b1c977d..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ChatTableView.swift +++ /dev/null @@ -1,86 +0,0 @@ -// -// ChatTableView.swift -// Intelligents -// -// Created by 秋星桥 on 2024/11/18. -// - -import MSDisplayLink -import SpringInterpolation -import UIKit - -class ChatTableView: UIView { - let tableView = UITableView() - let footerView = UIView() - let scrollDownButton = ScrollBottom() - - var dataSource: [DataElement] = [] - - // 控制自动滚动 - var scrollToBottomEnabled = false { - didSet { animationEnabledToggleDidSet(oldValue: oldValue) } - } - - // 要让系统自己的动画完成以后再帮用户去挪 - var scrollToBottomAllowed = false { - didSet { animationAllowedToggleDidSet(oldValue: oldValue) } - } - - var scrollAnimationController: DisplayLink = .init() - var scrollAnimationContext: SpringInterpolation = .init() - var scrollAnimationDeltaTimeHolder: Date = .init() - - init() { - super.init(frame: .zero) - - for eachCase in DataElement.CellType.allCases { - let cellClass = eachCase.cellClassType - tableView.register(cellClass, forCellReuseIdentifier: eachCase.cellIdentifier) - } - - tableView.backgroundColor = .clear - - tableView.delegate = self - tableView.dataSource = self - addSubview(tableView) - - tableView.translatesAutoresizingMaskIntoConstraints = false - [ - tableView.topAnchor.constraint(equalTo: topAnchor), - tableView.leadingAnchor.constraint(equalTo: leadingAnchor), - tableView.trailingAnchor.constraint(equalTo: trailingAnchor), - tableView.bottomAnchor.constraint(equalTo: bottomAnchor), - ].forEach { $0.isActive = true } - - footerView.translatesAutoresizingMaskIntoConstraints = false - footerView.heightAnchor.constraint(equalToConstant: 128).isActive = true - footerView.widthAnchor.constraint(equalToConstant: 128).isActive = true - tableView.tableFooterView = footerView - tableView.separatorStyle = .none - - addSubview(scrollDownButton) - scrollDownButton.translatesAutoresizingMaskIntoConstraints = false - [ - // right bottom inset 16 size 32x32 - scrollDownButton.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -16), - scrollDownButton.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -32), - scrollDownButton.widthAnchor.constraint(equalToConstant: 32), - scrollDownButton.heightAnchor.constraint(equalToConstant: 32), - ].forEach { $0.isActive = true } - scrollDownButton.alpha = 0 - scrollDownButton.onTap = { [weak self] in - self?.scrollToBottom() - } - - scrollAnimationController.delegatingObject(self) - } - - @available(*, unavailable) - required init?(coder _: NSCoder) { - fatalError() - } - - func reloadData() { - tableView.reloadData() - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ScrollBottom.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ScrollBottom.swift deleted file mode 100644 index 02ca5d84de..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/ChatTableView/ScrollBottom.swift +++ /dev/null @@ -1,63 +0,0 @@ -// -// ScrollBottom.swift -// Intelligents -// -// Created by 秋星桥 on 2024/12/23. -// - -import Foundation -import UIKit - -class ScrollBottom: UIView { - let imageView = UIImageView() - let backgroundView: UIView = UIVisualEffectView( - effect: UIBlurEffect(style: .systemUltraThinMaterialDark) - ) - - var onTap: (() -> Void)? - - init() { - super.init(frame: .zero) - - addSubview(backgroundView) - addSubview(imageView) - - imageView.contentMode = .scaleAspectFit - imageView.image = UIImage(systemName: "arrow.down") - imageView.tintColor = .accent - - isUserInteractionEnabled = true - let tapGesture = UITapGestureRecognizer( - target: self, - action: #selector(tapAction) - ) - addGestureRecognizer(tapGesture) - } - - @available(*, unavailable) - required init?(coder _: NSCoder) { - fatalError() - } - - override func layoutSubviews() { - super.layoutSubviews() - - clipsToBounds = true - - layer.cornerRadius = (bounds.width + bounds.height) / 4 - layer.masksToBounds = true - - backgroundView.frame = bounds - let imageInset = (bounds.width + bounds.height) / 8 - imageView.frame = CGRect( - x: imageInset, - y: imageInset, - width: bounds.width - 2 * imageInset, - height: bounds.height - 2 * imageInset - ) - } - - @objc private func tapAction() { - onTap?() - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Cell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Cell.swift deleted file mode 100644 index 48356ce445..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Cell.swift +++ /dev/null @@ -1,30 +0,0 @@ -// -// IntelligentsChatController+Cell.swift -// Intelligents -// -// Created by 秋星桥 on 2024/12/26. -// - -import Foundation - -extension IntelligentsChatController { - func insertIntoTableView(viewModel: ChatTableView.DataElement) { - assert(Thread.isMainThread) - tableView.dataSource.append(viewModel) - tableView.reloadData() - } - - func insertIntoTableView(withChatModel chatModel: ChatTableView.ChatCell.ViewModel) { - insertIntoTableView(viewModel: .init( - type: .chat, - object: chatModel - )) - } - - func insertIntoTableView(withError error: Error) { - insertIntoTableView(withChatModel: .init( - participant: .system, - markdownDocument: error.localizedDescription - )) - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Chat.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Chat.swift index 37b8c20267..9982f14c90 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Chat.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Chat.swift @@ -7,6 +7,7 @@ import AffineGraphQL import LDSwiftEventSource +import MarkdownParser import UIKit extension IntelligentsChatController { @@ -29,6 +30,7 @@ extension IntelligentsChatController { @objc func chat_onSend() { beginProgress() let viewModel = inputBox.editor.viewModel.duplicate() + viewModel.text = viewModel.text.trimmingCharacters(in: .whitespacesAndNewlines) inputBox.editor.viewModel.reset() inputBox.editor.updateValues() DispatchQueue.global().async { @@ -75,8 +77,12 @@ private extension IntelligentsChatController { private extension IntelligentsChatController { func chat_onError(_ error: Error) { - // TODO: IMPL add error cell print("[*] chat error", error) + dispatchToMain { + let key = UUID() + let content = ChatContent.error(text: error.localizedDescription) + self.simpleChatContents.updateValue(content, forKey: key) + } } func chat_createSession( @@ -85,9 +91,9 @@ private extension IntelligentsChatController { ) { Intelligents.qlClient.perform( mutation: CreateCopilotSessionMutation(options: .init( - docId: "", // TODO: put the real data + docId: metadata[.documentID] ?? "", promptName: Prompt.general_Chat_With_AFFiNE_AI.rawValue, - workspaceId: "" // TODO: put the real data + workspaceId: metadata[.workspaceID] ?? "" )), queue: .global() ) { result in @@ -117,10 +123,10 @@ private extension IntelligentsChatController { // let images = viewModel.attachments dispatchToMain { - self.insertIntoTableView(withChatModel: .init( - participant: .user, - markdownDocument: text - )) + let content = ChatContent.user(document: text) + let key = UUID() + self.simpleChatContents.updateValue(content, forKey: key) + self.tableView.scrollLastCellToTop() } let sem = DispatchSemaphore(value: 0) @@ -173,11 +179,13 @@ private extension IntelligentsChatController { return } - let chatModel = ChatTableView.ChatCell.ViewModel( - participant: .assistant, - markdownDocument: "" - ) - dispatchToMain { self.insertIntoTableView(withChatModel: chatModel) } + let contentIdentifier = UUID() + dispatchToMain { + self.simpleChatContents.updateValue( + .assistant(document: "..."), + forKey: contentIdentifier + ) + } let sem = DispatchSemaphore(value: 0) @@ -193,8 +201,14 @@ private extension IntelligentsChatController { eventHandler.onErrorBlock = { error in self.chat_onError(error) } + + var document = "" eventHandler.onMessageBlock = { _, message in - self.chat_onEvent(message.data, chatModel: chatModel) + self.dispatchToMain { + document += message.data + let content = ChatContent.assistant(document: document) + self.simpleChatContents.updateValue(content, forKey: contentIdentifier) + } } let eventSource = EventSource(config: .init(handler: eventHandler, url: url)) chatTask = eventSource @@ -202,11 +216,38 @@ private extension IntelligentsChatController { sem.wait() } +} - func chat_onEvent(_ data: String, chatModel: ChatTableView.ChatCell.ViewModel) { - dispatchToMain { [self] in - chatModel.markdownDocument += data - tableView.reloadData() +extension IntelligentsChatController { + func updateContentToPublisher() { + assert(Thread.isMainThread) + let copy = simpleChatContents + let input: [MessageListView.Element] = copy.map { key, value in + switch value { + case let .assistant(document): + let nodes = MarkdownParser().feed(document) + return .init( + id: key, + cell: .assistant, + viewModel: MessageListView.AssistantCell.ViewModel(blocks: nodes), + object: nil + ) + case let .user(document): + return .init( + id: key, + cell: .user, + viewModel: MessageListView.UserCell.ViewModel(text: document), + object: nil + ) + case let .error(text): + return .init( + id: key, + cell: .hint, + viewModel: MessageListView.HintCell.ViewModel(hint: text), + object: nil + ) + } } + publisher.send(input) } } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Keyboard.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Keyboard.swift deleted file mode 100644 index bb26c8a6d2..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController+Keyboard.swift +++ /dev/null @@ -1,43 +0,0 @@ -// -// IntelligentsChatController+Keyboard.swift -// Intelligents -// -// Created by 秋星桥 on 2024/12/6. -// - -import UIKit - -extension IntelligentsChatController { - @objc func keyboardWillAppear(_ notification: Notification) { - let info = notification.userInfo ?? [:] - let keyboardHeight = (info[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)? - .cgRectValue - .height ?? 0 - inputBoxKeyboardAdapterHeightConstraint.constant = keyboardHeight - view.setNeedsUpdateConstraints() - animateWithKeyboard(userInfo: info) - } - - @objc func keyboardWillDisappear(_ notification: Notification) { - let info = notification.userInfo ?? [:] - inputBoxKeyboardAdapterHeightConstraint.constant = 0 - view.setNeedsUpdateConstraints() - animateWithKeyboard(userInfo: info) - } - - private func animateWithKeyboard(userInfo info: [AnyHashable: Any]) { - let keyboardAnimationDuration = (info[UIResponder.keyboardAnimationDurationUserInfoKey] as? NSNumber)? - .doubleValue ?? 0 - let keyboardAnimationCurve = (info[UIResponder.keyboardAnimationCurveUserInfoKey] as? NSNumber)? - .uintValue ?? 0 - UIView.animate( - withDuration: keyboardAnimationDuration, - delay: 0, - options: UIView.AnimationOptions(rawValue: keyboardAnimationCurve), - animations: { - self.view.layoutIfNeeded() - }, - completion: nil - ) - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController.swift index 725641adcf..c707e7e645 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/IntelligentsChatController.swift @@ -5,22 +5,43 @@ // Created by 秋星桥 on 2024/11/18. // +import Combine import LDSwiftEventSource +import OrderedCollections import UIKit public class IntelligentsChatController: UIViewController { let header = Header() - let inputBoxKeyboardAdapter = UIView() let inputBox = InputBox() let progressView = UIActivityIndicatorView() - let tableView = ChatTableView() + + let publisher = PassthroughSubject() + lazy var tableView = MessageListView(dataPublisher: publisher.eraseToAnyPublisher()) var inputBoxKeyboardAdapterHeightConstraint = NSLayoutConstraint() + enum ChatContent { + case user(document: String) + case assistant(document: String) + case error(text: String) + } + + var simpleChatContents: OrderedDictionary = [:] { + didSet { updateContentToPublisher() } + } + var sessionID: String = "" { didSet { print("[*] new sessionID: \(sessionID)") } } + public enum MetadataKey: String { + case documentID + case workspaceID + case content + } + + public var metadata: [MetadataKey: String] = [:] + var chatTask: EventSource? override public var title: String? { @@ -38,19 +59,6 @@ public class IntelligentsChatController: UIViewController { title = "Chat with AI".localized() overrideUserInterfaceStyle = .dark - - NotificationCenter.default.addObserver( - self, - selector: #selector(keyboardWillDisappear), - name: UIResponder.keyboardWillHideNotification, - object: nil - ) - NotificationCenter.default.addObserver( - self, - selector: #selector(keyboardWillAppear), - name: UIResponder.keyboardWillShowNotification, - object: nil - ) } @available(*, unavailable) @@ -59,7 +67,6 @@ public class IntelligentsChatController: UIViewController { } deinit { - NotificationCenter.default.removeObserver(self) chatTask?.stop() chatTask = nil } @@ -73,11 +80,14 @@ public class IntelligentsChatController: UIViewController { view.addSubview(header) view.addSubview(tableView) - view.addSubview(inputBoxKeyboardAdapter) view.addSubview(inputBox) view.addSubview(progressView) setupLayout() + // TODO: IMPL + inputBox.editor.controlBanner.cameraButton.isHidden = true + inputBox.editor.controlBanner.photoButton.isHidden = true + chat_onLoad() } @@ -96,21 +106,11 @@ public class IntelligentsChatController: UIViewController { header.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 44), ].forEach { $0.isActive = true } - inputBoxKeyboardAdapter.translatesAutoresizingMaskIntoConstraints = false - [ - inputBoxKeyboardAdapter.leadingAnchor.constraint(equalTo: view.leadingAnchor), - inputBoxKeyboardAdapter.trailingAnchor.constraint(equalTo: view.trailingAnchor), - inputBoxKeyboardAdapter.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor), - ].forEach { $0.isActive = true } - inputBoxKeyboardAdapterHeightConstraint = inputBoxKeyboardAdapter.heightAnchor.constraint(equalToConstant: 0) - inputBoxKeyboardAdapterHeightConstraint.isActive = true - inputBoxKeyboardAdapter.backgroundColor = inputBox.backgroundView.backgroundColor - inputBox.translatesAutoresizingMaskIntoConstraints = false [ inputBox.leadingAnchor.constraint(equalTo: view.leadingAnchor), inputBox.trailingAnchor.constraint(equalTo: view.trailingAnchor), - inputBox.bottomAnchor.constraint(equalTo: inputBoxKeyboardAdapter.topAnchor), + inputBox.bottomAnchor.constraint(equalTo: view.keyboardLayoutGuide.topAnchor), ].forEach { $0.isActive = true } tableView.translatesAutoresizingMaskIntoConstraints = false @@ -118,7 +118,7 @@ public class IntelligentsChatController: UIViewController { tableView.topAnchor.constraint(equalTo: header.bottomAnchor), tableView.leadingAnchor.constraint(equalTo: view.leadingAnchor), tableView.trailingAnchor.constraint(equalTo: view.trailingAnchor), - tableView.bottomAnchor.constraint(equalTo: inputBox.topAnchor, constant: 16), + tableView.bottomAnchor.constraint(equalTo: inputBox.topAnchor), ].forEach { $0.isActive = true } inputBox.editor.controlBanner.sendButton.addTarget( @@ -136,10 +136,4 @@ public class IntelligentsChatController: UIViewController { ].forEach { $0.isActive = true } progressView.style = .large } - - override public func viewDidAppear(_ animated: Bool) { - super.viewDidAppear(animated) - tableView.scrollToBottomEnabled = true - tableView.scrollToBottomAllowed = true - } } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+AssistantCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+AssistantCell.swift new file mode 100644 index 0000000000..4eb2b4012c --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+AssistantCell.swift @@ -0,0 +1,150 @@ +// +// MessageListView+AssistantCell.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import MarkdownParser +import MarkdownView +import UIKit + +extension MessageListView { + class AssistantCell: BaseCell { + let avatarView = UIImageView() + let usernameView = UILabel() + let markdownView = MarkdownView() + + override func initializeContent() { + super.initializeContent() + + avatarView.contentMode = .scaleAspectFit + avatarView.image = UIImage(named: "spark", in: .module, with: nil) + usernameView.text = "AFFiNE AI" + usernameView.font = .preferredFont(forTextStyle: .body).bold + usernameView.textColor = .label + + containerView.addSubview(avatarView) + containerView.addSubview(usernameView) + containerView.addSubview(markdownView) + } + + override func prepareForReuse() { + super.prepareForReuse() + markdownView.prepareForReuse() + } + + override func updateContent( + object: any MessageListView.Element.ViewModel, + originalObject _: Element.UserObject? + ) { + guard let object = object as? ViewModel else { + assertionFailure() + return + } + _ = object + } + + override func layoutContent(cache: any MessageListView.TableLayoutEngine.LayoutCache) { + super.layoutContent(cache: cache) + guard let cache = cache as? LayoutCache else { + assertionFailure() + return + } + avatarView.frame = cache.avatarRect + usernameView.frame = cache.usernameRect + markdownView.frame = cache.markdownFrame + + UIView.performWithoutAnimation { + markdownView.updateContentViews(cache.manifests) + } + } + + override class func layoutInsideContainer( + containerWidth: CGFloat, + object: any MessageListView.Element.ViewModel + ) -> any MessageListView.TableLayoutEngine.LayoutCache { + guard let object = object as? ViewModel else { + assertionFailure() + return LayoutCache() + } + let cache = LayoutCache() + cache.width = containerWidth + + let inset: CGFloat = 8 + let bubbleInset = UIEdgeInsets(top: inset, left: inset, bottom: inset, right: inset) + + let avatarRect = CGRect(x: bubbleInset.left, y: bubbleInset.top, width: 24, height: 24) + let usernameRect = CGRect( + x: avatarRect.maxX + bubbleInset.right, + y: bubbleInset.top, + width: containerWidth - avatarRect.maxX - bubbleInset.right, + height: 24 + ) + + let textWidth = containerWidth - bubbleInset.left - bubbleInset.right + + var height: CGFloat = 0 + let manifests = object.blocks.map { + let ret = $0.manifest(theme: object.theme) + ret.setLayoutTheme(.default) + ret.setLayoutWidth(textWidth) + ret.layoutIfNeeded() + height += ret.size.height + Theme.default.spacings.final + return ret + } + if height > 0 { height -= Theme.default.spacings.final } + let textRect = CGRect( + x: bubbleInset.left, + y: usernameRect.maxY + bubbleInset.bottom, + width: textWidth, + height: height + ) + cache.markdownFrame = textRect + cache.avatarRect = avatarRect + cache.usernameRect = usernameRect + cache.manifests = manifests + cache.height = textRect.maxY + bubbleInset.bottom + + return cache + } + } +} + +extension MessageListView.AssistantCell { + class ViewModel: MessageListView.Element.ViewModel { + var theme: Theme + var blocks: [BlockNode] + + enum GroupLocation { + case begin + case center + case end + } + + var groupLocation: GroupLocation = .center + + init(theme: Theme = .default, blocks: [BlockNode]) { + self.theme = theme + self.blocks = blocks + } + + func contentIdentifier(hasher: inout Hasher) { + hasher.combine(blocks) + } + } +} + +extension MessageListView.AssistantCell { + class LayoutCache: MessageListView.TableLayoutEngine.LayoutCache { + var width: CGFloat = 0 + var height: CGFloat = 0 + + var avatarRect: CGRect = .zero + var usernameRect: CGRect = .zero + + var markdownFrame: CGRect = .zero + var manifests: [AnyBlockManifest] = [] + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+BaseCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+BaseCell.swift new file mode 100644 index 0000000000..ea84f27705 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+BaseCell.swift @@ -0,0 +1,143 @@ +// +// MessageListView+BaseCell.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import UIKit + +extension MessageListView { + class BaseCell: UITableViewCell, MessageListView.TableLayoutEngine.LayoutableCell { + var associatedObject: Element? = nil + var cancellable: Set = [] + let containerView: UIView = .init() + + var layoutEngine: MessageListView.TableLayoutEngine? = nil + + func layoutCache() -> MessageListView.TableLayoutEngine.LayoutCache { + guard let associatedObject, let engine = layoutEngine else { + return MessageListView.TableLayoutEngine.ZeroLayoutCache() + } + let cache = engine.requestLayoutCacheFromCell( + forElement: associatedObject, + atWidth: bounds.width + ) + return cache + } + + override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) { + super.init(style: style, reuseIdentifier: reuseIdentifier) + commitInit() + } + + required init?(coder: NSCoder) { + super.init(coder: coder) + commitInit() + } + + private func commitInit() { + selectionStyle = .none + separatorInset = .zero + contentView.addSubview(containerView) + contentView.clipsToBounds = false + clipsToBounds = false + initializeContent() + } + + override func layoutSubviews() { + super.layoutSubviews() + guard let cache = layoutCache() as? LayoutCache else { + assertionFailure() + return + } + containerView.frame = cache.containerRect + layoutContent(cache: cache.containerLayoutCache) + } + + func registerViewModel(element: Element) { + removeViewModelObject() + associatedObject = element + updateContent(object: element.viewModel, originalObject: element.object) + setNeedsLayout() + } + + func removeViewModelObject() { + associatedObject = nil + cancellable.forEach { $0.cancel() } + cancellable.removeAll() + } + + func initializeContent() {} + func updateContent(object: any Element.ViewModel, originalObject: Element.UserObject?) { + _ = object + _ = originalObject + } + + func layoutContent(cache: MessageListView.TableLayoutEngine.LayoutCache) { + _ = cache + } + + class func layoutInsideContainer( + containerWidth: CGFloat, + object: any Element.ViewModel + ) -> MessageListView.TableLayoutEngine.LayoutCache { + _ = containerWidth + _ = object + assertionFailure("must override") + return MessageListView.TableLayoutEngine.ZeroLayoutCache() + } + + class func containerInset() -> UIEdgeInsets { + let inset: CGFloat = 16 + let containerInset = UIEdgeInsets(top: inset / 2, left: inset, bottom: inset / 2, right: inset) + return containerInset + } + } +} + +extension MessageListView.BaseCell { + class LayoutCache: MessageListView.TableLayoutEngine.LayoutCache { + var width: CGFloat + var height: CGFloat + var containerRect: CGRect + var containerLayoutCache: any MessageListView.TableLayoutEngine.LayoutCache + + init( + width: CGFloat, + height: CGFloat, + containerRect: CGRect, + containerLayoutCache: any MessageListView.TableLayoutEngine.LayoutCache + ) { + self.width = width + self.height = height + self.containerRect = containerRect + self.containerLayoutCache = containerLayoutCache + } + } + + class func resolveLayout( + dataElement element: MessageListView.Element, + contentWidth width: CGFloat + ) -> any MessageListView.TableLayoutEngine.LayoutCache { + let object = element.viewModel + let containerInset = MessageListView.BaseCell.containerInset() + let containerWidth = width - containerInset.left - containerInset.right + let containerCache = Self.layoutInsideContainer(containerWidth: containerWidth, object: object) + let cellHeight = containerCache.height + containerInset.top + containerInset.bottom + let containerRect = CGRect( + x: containerInset.left, + y: containerInset.top, + width: containerWidth, + height: containerCache.height + ) + let cache = LayoutCache( + width: width, + height: cellHeight, + containerRect: containerRect, + containerLayoutCache: containerCache + ) + return cache + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+HintCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+HintCell.swift new file mode 100644 index 0000000000..c21bdbeb30 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+HintCell.swift @@ -0,0 +1,92 @@ +// +// MessageListView+HintCell.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import UIKit + +extension MessageListView { + class HintCell: BaseCell { + let label = UILabel() + + override func initializeContent() { + super.initializeContent() + label.font = .preferredFont(forTextStyle: .footnote) + label.alpha = 0.5 + label.numberOfLines = 0 + containerView.addSubview(label) + } + + override func updateContent( + object: any MessageListView.Element.ViewModel, + originalObject: Element.UserObject? + ) { + super.updateContent(object: object, originalObject: originalObject) + guard let object = object as? ViewModel else { return } + label.attributedText = object.hint + } + + override func layoutContent(cache: any MessageListView.TableLayoutEngine.LayoutCache) { + super.layoutContent(cache: cache) + guard let cache = cache as? LayoutCache else { + assertionFailure() + return + } + label.frame = cache.labelFrame + } + + override class func layoutInsideContainer( + containerWidth: CGFloat, + object: any MessageListView.Element.ViewModel + ) -> any MessageListView.TableLayoutEngine.LayoutCache { + guard let object = object as? ViewModel else { + assertionFailure() + return LayoutCache() + } + let cache = LayoutCache() + cache.width = containerWidth + cache.height = object.hint.measureHeight(usingWidth: containerWidth) + cache.labelFrame = .init(x: 0, y: 0, width: containerWidth, height: cache.height) + return cache + } + } +} + +extension MessageListView.HintCell { + class ViewModel: MessageListView.Element.ViewModel { + var hint: NSAttributedString = .init() + + init(hint: NSAttributedString) { + self.hint = hint + } + + convenience init(hint: String) { + let paragraphStyle = NSMutableParagraphStyle() + paragraphStyle.alignment = .center + let attributes: [NSAttributedString.Key: Any] = [ + .font: UIFont.preferredFont(forTextStyle: .footnote), + .originalFont: UIFont.preferredFont(forTextStyle: .footnote), + .foregroundColor: UIColor.label, + .paragraphStyle: paragraphStyle, + ] + let text = NSMutableAttributedString(string: hint, attributes: attributes) + self.init(hint: text) + } + + func contentIdentifier(hasher: inout Hasher) { + hasher.combine(hint) + } + } +} + +extension MessageListView.HintCell { + class LayoutCache: MessageListView.TableLayoutEngine.LayoutCache { + var width: CGFloat = 0 + var height: CGFloat = 0 + + var labelFrame: CGRect = .zero + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+SpacerCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+SpacerCell.swift new file mode 100644 index 0000000000..370a9fea0a --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+SpacerCell.swift @@ -0,0 +1,47 @@ +// +// MessageListView+SpacerCell.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/12. +// + +import Combine +import UIKit + +extension MessageListView { + class SpacerCell: BaseCell { + override class func layoutInsideContainer( + containerWidth: CGFloat, + object: any MessageListView.Element.ViewModel + ) -> any MessageListView.TableLayoutEngine.LayoutCache { + guard let object = object as? ViewModel else { + assertionFailure() + return LayoutCache() + } + let cache = LayoutCache() + cache.width = containerWidth + cache.height = object.height + return cache + } + } +} + +extension MessageListView.SpacerCell { + class ViewModel: MessageListView.Element.ViewModel { + var height: CGFloat + init(height: CGFloat) { + self.height = height + } + + func contentIdentifier(hasher: inout Hasher) { + hasher.combine(height) + } + } +} + +extension MessageListView.SpacerCell { + class LayoutCache: MessageListView.TableLayoutEngine.LayoutCache { + var width: CGFloat = 0 + var height: CGFloat = 0 + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+UserCell.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+UserCell.swift new file mode 100644 index 0000000000..bc494d6f63 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/Cells/MessageListView+UserCell.swift @@ -0,0 +1,167 @@ +// +// MessageListView+UserCell.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import UIKit + +extension MessageListView { + class UserCell: BaseCell { + let avatarView = UIImageView() + let usernameView = UILabel() + let bubbleView = UIView() + let textView = UITextView() + + override func initializeContent() { + super.initializeContent() + + textView.isSelectable = true + textView.isScrollEnabled = true + textView.isEditable = false + textView.showsVerticalScrollIndicator = false + textView.showsHorizontalScrollIndicator = false + textView.textColor = .label + textView.textContainer.lineFragmentPadding = .zero + textView.textAlignment = .natural + textView.backgroundColor = .clear + textView.textContainerInset = .zero + textView.textContainer.lineBreakMode = .byTruncatingTail + + avatarView.contentMode = .scaleAspectFit + avatarView.image = UIImage(systemName: "person.fill") + usernameView.text = "You" + usernameView.font = .preferredFont(forTextStyle: .body).bold + usernameView.textColor = .label + + bubbleView.layer.cornerRadius = 8 + bubbleView.backgroundColor = .gray.withAlphaComponent(0.1) + + containerView.addSubview(bubbleView) + containerView.addSubview(avatarView) + containerView.addSubview(usernameView) + containerView.addSubview(textView) + } + + override func updateContent( + object: any MessageListView.Element.ViewModel, + originalObject: Element.UserObject? + ) { + super.updateContent(object: object, originalObject: originalObject) + guard let object = object as? ViewModel else { + assertionFailure() + return + } + textView.attributedText = object.text + } + + override func layoutContent(cache: any MessageListView.TableLayoutEngine.LayoutCache) { + super.layoutContent(cache: cache) + guard let cache = cache as? LayoutCache else { + assertionFailure() + return + } + bubbleView.frame = cache.bubbleFrame + avatarView.frame = cache.avatarFrame + usernameView.frame = cache.usernameFrame + textView.frame = cache.labelFrame + } + + override class func layoutInsideContainer( + containerWidth: CGFloat, + object: any MessageListView.Element.ViewModel + ) -> any MessageListView.TableLayoutEngine.LayoutCache { + guard let object = object as? ViewModel else { + assertionFailure() + return LayoutCache() + } + let cache = LayoutCache() + cache.width = containerWidth + + let inset: CGFloat = 8 + let bubbleInset = UIEdgeInsets(top: inset, left: inset, bottom: inset, right: inset) + + let avatarRect = CGRect( + x: bubbleInset.left, + y: bubbleInset.top, + width: 24, + height: 24 + ) + let usernameFrame = CGRect( + x: avatarRect.maxX + inset, + y: bubbleInset.top, + width: containerWidth - avatarRect.maxX - bubbleInset.right, + height: 24 + ) + + let textWidth = min( + object.text.measureWidth(), + containerWidth - inset * 2 + ) + let textHeight = object.text.measureHeight(usingWidth: textWidth) + let textRect = CGRect( + x: bubbleInset.left, + y: avatarRect.maxY + bubbleInset.top, + width: textWidth, + height: textHeight + ) + let bubbleRect = CGRect( + x: 0, + y: 0, + width: containerWidth, + height: textRect.maxY + bubbleInset.bottom + ) + cache.bubbleFrame = bubbleRect + cache.avatarFrame = avatarRect + cache.usernameFrame = usernameFrame + cache.labelFrame = textRect + cache.height = bubbleRect.maxY + return cache + } + } +} + +extension MessageListView.UserCell { + class ViewModel: MessageListView.Element.ViewModel { + var text: NSAttributedString = .init() + + init(text: NSAttributedString) { + self.text = text + } + + convenience init(text: String) { + let paragraphStyle = NSMutableParagraphStyle() + paragraphStyle.alignment = .natural + let attributes: [NSAttributedString.Key: Any] = [ + .font: UIFont.preferredFont(forTextStyle: .body), + .originalFont: UIFont.preferredFont(forTextStyle: .body), + .foregroundColor: UIColor.label, + .paragraphStyle: paragraphStyle, + ] + var text = text + while text.contains("\n\n\n") { + text = text.replacingOccurrences(of: "\n\n\n", with: "\n\n") + } + print(text) + self.init(text: NSMutableAttributedString(string: text, attributes: attributes)) + } + + func contentIdentifier(hasher: inout Hasher) { + hasher.combine(text) + } + } +} + +extension MessageListView.UserCell { + class LayoutCache: MessageListView.TableLayoutEngine.LayoutCache { + var width: CGFloat = 0 + var height: CGFloat = 0 + + var bubbleFrame: CGRect = .zero + var labelFrame: CGRect = .zero + var avatarFrame: CGRect = .zero + var usernameFrame: CGRect = .zero + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+DataElement.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+DataElement.swift new file mode 100644 index 0000000000..b5a3a750ae --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+DataElement.swift @@ -0,0 +1,61 @@ +// +// MessageListView+DataElement.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import Foundation +import UIKit + +extension MessageListView { + struct Element: Identifiable { + let id: AnyHashable // equals to message id if applicable + + enum Cell: String, CaseIterable { + case base + case hint + case user + case assistant + case spacer + } + + let cell: Cell + let viewModel: any ViewModel + + typealias UserObject = any(Identifiable & Hashable) + let object: UserObject? + + init(id: AnyHashable, cell: Cell, viewModel: any ViewModel, object: UserObject?) { + assert(cell != .base) + self.id = id + self.cell = cell + self.viewModel = viewModel + self.object = object + } + } +} + +extension MessageListView.Element.Cell { + var cellClass: MessageListView.BaseCell.Type { + switch self { + case .base: + MessageListView.BaseCell.self + case .hint: + MessageListView.HintCell.self + case .user: + MessageListView.UserCell.self + case .assistant: + MessageListView.AssistantCell.self + case .spacer: + MessageListView.SpacerCell.self + } + } +} + +extension MessageListView.Element { + protocol ViewModel { + func contentIdentifier(hasher: inout Hasher) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Delegate.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Delegate.swift new file mode 100644 index 0000000000..dae48e3888 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Delegate.swift @@ -0,0 +1,68 @@ +// +// MessageListView+Delegate.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/6. +// + +import UIKit + +extension MessageListView: UITableViewDelegate, UITableViewDataSource { + func item(forIndexPath indexPath: IndexPath) -> Element? { + guard indexPath.row < elements.count else { + return nil + } + guard indexPath.row >= 0 else { + return nil + } + return elements.values[indexPath.row] + } + + func numberOfSections(in _: UITableView) -> Int { + 1 + } + + func tableView(_: UITableView, numberOfRowsInSection _: Int) -> Int { + elements.count + } + + func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { + guard let item = item(forIndexPath: indexPath) else { + assertionFailure() + return UITableViewCell() + } + let cell = tableView.dequeueReusableCell(withIdentifier: item.cell.rawValue, for: indexPath) + if let cell = cell as? BaseCell { + cell.layoutEngine = layoutEngine + cell.registerViewModel(element: item) + } + cell.backgroundColor = .clear + return cell + } + + func tableView(_: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat { + guard let item = item(forIndexPath: indexPath) else { + return 0 + } + if let height = layoutEngine.height(forElement: item) { + heightKeeper[item.id] = height + return height + } + let ret = layoutEngine.resolveLayoutNow(item).height + heightKeeper[item.id] = ret + return ret + } + + func tableView(_: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat { + guard let item = item(forIndexPath: indexPath) else { + return 0 + } + if let height = layoutEngine.height(forElement: item) { + return height + } + if let height = heightKeeper[item.id] { + return height + } + return UITableView.automaticDimension + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+LayoutEngine.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+LayoutEngine.swift new file mode 100644 index 0000000000..f2877e4f98 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+LayoutEngine.swift @@ -0,0 +1,143 @@ +// +// MessageListView+LayoutEngine.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Foundation + +extension MessageListView { + class TableLayoutEngine { + private let lock = NSLock() + struct LayoutCacheBox { + var cache: LayoutCache + var contentIdentifier: Int + } + + private var layoutCache: [Element.ID: LayoutCacheBox] = [:] + private(set) var contentWidth: CGFloat = .zero + var layoutSession: UUID = .init() + + func setContentWidth(_ width: CGFloat) { + accessLayoutCache { _ in + contentWidth = width + layoutSession = .init() + } + } + + func createSession() -> UUID { + let session = UUID() + layoutSession = session + return session + } + + @discardableResult + func accessLayoutCache(_ block: (inout [Element.ID: LayoutCacheBox]) -> T) -> T { + lock.lock() + defer { lock.unlock() } + return block(&layoutCache) + } + + func contentIdentifier(forElement dataElement: Element) -> Int? { + accessLayoutCache { pool in + guard let box = pool[dataElement.id] else { return nil } + return box.contentIdentifier + } + } + } + + func viewCallingUpdateLayoutEngineWidth() { + guard layoutEngine.contentWidth != tableView.bounds.width else { return } + layoutEngine.setContentWidth(tableView.bounds.width) + reconfigure(enforceReload: false) + NSObject.cancelPreviousPerformRequests( + withTarget: self, + selector: #selector(resolveAllLayoutInBackground), + object: nil + ) + perform(#selector(resolveAllLayoutInBackground), with: nil, afterDelay: 0.1) + } + + @objc private func resolveAllLayoutInBackground() { + let items = Array(elements.values) + let date = Date() + DispatchQueue.global().async { + let session = self.layoutEngine.createSession() + for element in items { + guard self.layoutEngine.layoutSession == session else { continue } + self.layoutEngine.resolveLayoutNow(element) + } + DispatchQueue.main.async { + self.reconfigure(enforceReload: true) + print("[*] layout engine updated \(items.count) items in \(Date().timeIntervalSince(date)) seconds") + } + } + } +} + +extension MessageListView.TableLayoutEngine { + protocol LayoutableCell: AnyObject { + static func resolveLayout( + dataElement: MessageListView.Element, + contentWidth: CGFloat + ) -> LayoutCache + } + + protocol LayoutCache: AnyObject { + var width: CGFloat { get } + var height: CGFloat { get } + } + + class ZeroLayoutCache: LayoutCache { + var width: CGFloat = 0 + var height: CGFloat = 0 + } +} + +extension MessageListView.TableLayoutEngine { + @discardableResult + func resolveLayoutNow(_ element: MessageListView.Element) -> LayoutCache { + var hasher = Hasher() + element.viewModel.contentIdentifier(hasher: &hasher) + let contentIdentifier = hasher.finalize() + + if let cacheBox = accessLayoutCache({ $0[element.id] }) { + if cacheBox.cache.width == contentWidth, + cacheBox.contentIdentifier == contentIdentifier + { return cacheBox.cache } + } + + let target = element.cell.cellClass.self + let cache = target.resolveLayout(dataElement: element, contentWidth: contentWidth) + let cacheBox = LayoutCacheBox(cache: cache, contentIdentifier: contentIdentifier) + accessLayoutCache { $0[element.id] = cacheBox } + return cache + } + + func requestLayoutCacheFromCell( + forElement dataElement: MessageListView.Element, + atWidth width: CGFloat + ) -> LayoutCache { + let cache = accessLayoutCache { pool -> LayoutCache? in + guard let box = pool[dataElement.id] else { return nil } + guard box.contentIdentifier == dataElement.object?.hashValue else { return nil } + guard box.cache.width == contentWidth else { return nil } + guard box.cache.width == width else { return nil } + return box.cache + } + if let cache { return cache } + return resolveLayoutNow(dataElement) + } +} + +extension MessageListView.TableLayoutEngine { + func height(forElement dataElement: MessageListView.Element) -> CGFloat? { + accessLayoutCache { pool in + guard let box = pool[dataElement.id] else { return nil } + guard box.contentIdentifier == dataElement.object?.hashValue else { return nil } + guard box.cache.width == contentWidth else { return nil } + return box.cache.height + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Update.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Update.swift new file mode 100644 index 0000000000..e6b214bf73 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView+Update.swift @@ -0,0 +1,143 @@ +// +// MessageListView+Update.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import Foundation +import OrderedCollections +import UIKit + +extension MessageListView { + func setupPublishers(dataPublisher: AnyPublisher<[Element], Never>) { + // process input from data source where we transform those to view model + let publisher = dataPublisher + .map { input -> [Element] in input + [Element( + id: "spacer", + cell: .spacer, + viewModel: MessageListView.SpacerCell.ViewModel(height: 32), + object: nil + )] } + .map { output in + OrderedDictionary( + uniqueKeysWithValues: output.map { ($0.id, $0) } + ) + } + .eraseToAnyPublisher() + + // after so, limit the refresh rate so we can handle them better + let updateQueue = DispatchQueue(label: "flowdown.message-list-update-queue", qos: .userInteractive) + let inQueuePublisher = publisher + .throttle(for: .seconds(1 / 5), scheduler: updateQueue, latest: true) + .eraseToAnyPublisher() + + // finally before sending to display, call layout engine to process those items + inQueuePublisher + .sink { [weak self] output in self?.prepare(forNewElements: output) } + .store(in: &cancellables) + } + + func prepare(forNewElements elements: Elements) { + print("[*] received \(elements.count) for update at \(Date())") + elementUpdateProcessLock.lock() + distributedPendingUpdateElements = elements + elementUpdateProcessLock.unlock() + performSelector(onMainThread: #selector(elementsUpdateExecute), with: nil, waitUntilDone: false) + } + + private func pickupElementsPair() -> (oldValue: Elements, newValue: Elements)? { + #if DEBUG // just make sure assert is not called in release mode + assert(!elementUpdateProcessLock.try(), "Should not call this method without lock") + #endif + guard let distributedPendingUpdateElements else { return nil } + + let oldValue = elements + elements = distributedPendingUpdateElements + self.distributedPendingUpdateElements = nil + print("[*] pikup is sending \(elements.count) for update at \(Date())") + return (oldValue, distributedPendingUpdateElements) + } + + @objc private func elementsUpdateExecute() { + assert(Thread.isMainThread) + elementUpdateProcessLock.lock() + defer { elementUpdateProcessLock.unlock() } + let pickup = pickupElementsPair() + guard let (oldValue, newValue) = pickup else { return } + guard window != nil else { return } + for value in heightKeeper.keys where !newValue.keys.contains(value) { + heightKeeper.removeValue(forKey: value) + } + + let shouldRealodTableView = newValue.count != oldValue.count + let contentOffset = tableView.contentOffset + UIView.performWithoutAnimation { + self.reconfigure(enforceReload: shouldRealodTableView) + self.tableView.layoutIfNeeded() + } + tableView.contentOffset = contentOffset + } + + func reconfigure(enforceReload: Bool) { + if enforceReload || tableView(tableView, numberOfRowsInSection: 0) != elements.count { + tableView.reloadData() + return + } + var requiresReload = [IndexPath]() + for indexPath in tableView.indexPathsForVisibleRows ?? [] { + guard let item = item(forIndexPath: indexPath) else { continue } + guard let cell = tableView.cellForRow(at: indexPath) as? BaseCell else { continue } + guard type(of: cell) == item.cell.cellClass else { + requiresReload.append(indexPath) + continue + } + layoutEngine.resolveLayoutNow(item) + cell.registerViewModel(element: item) + } + tableView.beginUpdates() + tableView.reloadRows(at: requiresReload, with: .none) + tableView.endUpdates() + } +} + +extension MessageListView { + func scrollToBottom(useTableViewAnimation: Bool = false) { + guard elements.count > 0 else { return } + guard tableView.contentSize.height > tableView.frame.height else { return } + let targetIndexPath = IndexPath(row: elements.count - 1, section: 0) + let cellRect = tableView.rectForRow(at: targetIndexPath) + if tableView.contentOffset.y + tableView.frame.height >= cellRect.origin.y + cellRect.height { return } + UIView.animate(withDuration: 0.35, delay: 0, usingSpringWithDamping: 1.0, initialSpringVelocity: 0.8) { + self.tableView.scrollToRow( + at: targetIndexPath, + at: .bottom, + animated: useTableViewAnimation + ) + self.tableView.layoutIfNeeded() + } + NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(finishAutomaticScroll), object: nil) + isAutomaticScrollAnimating = true + perform(#selector(finishAutomaticScroll), with: nil, afterDelay: 0.5) + } + + func scrollLastCellToTop(useTableViewAnimation: Bool = false) { + guard elements.count > 1 else { return } + guard tableView.contentSize.height > tableView.frame.height else { return } + UIView.animate(withDuration: 0.35, delay: 0, usingSpringWithDamping: 1.0, initialSpringVelocity: 0.8) { + self.tableView.scrollToRow( + at: IndexPath(row: self.elements.count - 1, section: 0), + at: .top, + animated: useTableViewAnimation + ) + } + NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(finishAutomaticScroll), object: nil) + isAutomaticScrollAnimating = true + perform(#selector(finishAutomaticScroll), with: nil, afterDelay: 0.5) + } + + @objc private func finishAutomaticScroll() { + isAutomaticScrollAnimating = false + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView.swift new file mode 100644 index 0000000000..47ba345258 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsChatController/MessageListView/TableView/MessageListView.swift @@ -0,0 +1,71 @@ +// +// MessageListView.swift +// FlowDown +// +// Created by 秋星桥 on 2025/1/2. +// + +import Combine +import OrderedCollections +import UIKit + +class MessageListView: UIView { + typealias ElementPublisher = AnyPublisher<[Element], Never> + typealias Elements = OrderedDictionary + var elements: Elements = .init() + + var cancellables: Set = [] + + let tableView: UITableView = .init(frame: .zero, style: .plain) + + let layoutEngine = TableLayoutEngine() + var heightKeeper: [Element.ID: CGFloat] = [:] + let elementUpdateProcessLock = NSLock() + var distributedPendingUpdateElements: Elements? = nil + var isAutomaticScrollAnimating: Bool = false + + let footerView = UIView(frame: .init(x: 0, y: 0, width: 0, height: 500)) + + init(dataPublisher: AnyPublisher<[Element], Never>) { + super.init(frame: .zero) + + tableView.delegate = self + tableView.dataSource = self + tableView.allowsSelection = false + tableView.allowsMultipleSelection = false + tableView.allowsFocus = false + tableView.selectionFollowsFocus = true + tableView.separatorColor = .clear + tableView.backgroundColor = .clear + for cellIdentifier in Element.Cell.allCases { + tableView.register(cellIdentifier.cellClass, forCellReuseIdentifier: cellIdentifier.rawValue) + } + addSubview(tableView) + + tableView.tableFooterView = footerView + tableView.translatesAutoresizingMaskIntoConstraints = false + NSLayoutConstraint.activate([ + tableView.topAnchor.constraint(equalTo: topAnchor), + tableView.bottomAnchor.constraint(equalTo: bottomAnchor), + tableView.leadingAnchor.constraint(equalTo: leadingAnchor), + tableView.trailingAnchor.constraint(equalTo: trailingAnchor), + ]) + + setupPublishers(dataPublisher: dataPublisher) + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + deinit { + cancellables.forEach { $0.cancel() } + cancellables.removeAll() + } + + override func layoutSubviews() { + super.layoutSubviews() + viewCallingUpdateLayoutEngineWidth() + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/EphemeralAction.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/EphemeralAction.swift new file mode 100644 index 0000000000..f9562f9b59 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/EphemeralAction.swift @@ -0,0 +1,48 @@ +// +// EphemeralAction.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/8. +// + +import Foundation + +public extension IntelligentsEphemeralActionController { + enum EphemeralAction { + public enum Language: String, CaseIterable { + case langEnglish = "English" + case langSpanish = "Spanish" + case langGerman = "German" + case langFrench = "French" + case langItalian = "Italian" + case langSimplifiedChinese = "Simplified Chinese" + case langTraditionalChinese = "Traditional Chinese" + case langJapanese = "Japanese" + case langRussian = "Russian" + case langKorean = "Korean" + } + + case translate(to: Language) + case summarize + } +} + +extension IntelligentsEphemeralActionController.EphemeralAction { + var title: String { + switch self { + case let .translate(to): + String(format: NSLocalizedString("Translate to %@", comment: ""), to.rawValue) + case .summarize: + NSLocalizedString("Summarize", comment: "") + } + } + + var prompt: Prompt { + switch self { + case .translate: + .general_Translate_to + case .summarize: + .general_Summary + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/ImageRotatedPreview.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/ImageRotatedPreview.swift new file mode 100644 index 0000000000..9ba608100f --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/ImageRotatedPreview.swift @@ -0,0 +1,60 @@ +// +// ImageRotatedPreview.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/8. +// + +import UIKit + +public class RotatedImagePreview: UIView { + let imageView = UIImageView() + let rotationDegree: CGFloat = 5 + + public init() { + super.init(frame: .zero) + imageView.contentMode = .scaleAspectFill + imageView.layer.cornerRadius = 16 + imageView.clipsToBounds = true + addSubview(imageView) + + clipsToBounds = false + + heightAnchor.constraint(equalToConstant: 300).isActive = true + imageView.transform = CGAffineTransform(rotationAngle: rotationDegree * CGFloat.pi / 180) + } + + @available(*, unavailable) + public required init?(coder _: NSCoder) { + fatalError() + } + + public func configure(previewImage: UIImage) { + imageView.image = previewImage + setNeedsLayout() + } + + override public func layoutSubviews() { + super.layoutSubviews() + + guard let image = imageView.image else { + imageView.frame = .zero + return + } + + let viewHeight = bounds.height // limiter + guard bounds.height > 0 else { return } + + // fit in side + let imageAspectRatio = image.size.width / image.size.height + let imageHeight = viewHeight + let imageWidth = imageHeight * imageAspectRatio + + imageView.frame = CGRect( + x: (bounds.width - imageWidth) / 2, + y: (bounds.height - imageHeight) / 2, + width: imageWidth, + height: imageHeight + ) + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+API.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+API.swift new file mode 100644 index 0000000000..b52efb881b --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+API.swift @@ -0,0 +1,145 @@ +// +// IntelligentsEphemeralActionController+API.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/15. +// + +import AffineGraphQL +import Foundation +import LDSwiftEventSource + +extension IntelligentsEphemeralActionController { + func beginAction() { + print("[*] begin ephemeral action for did \(documentID) wid \(workspaceID)") + chatTask?.stop() + chatTask = nil + copilotDocumentStorage = "" + chat_createSession( + documentIdentifier: documentID, + workspaceIdentifier: workspaceID + ) { session in + self.sessionID = session + self.beginThisRound() + } onFailure: { error in + self.presentError(error) { + self.close() + } + } + } + + func chat_createSession( + documentIdentifier: String, + workspaceIdentifier: String, + onSuccess: @escaping (String) -> Void, + onFailure: @escaping (Error) -> Void + ) { + if documentIdentifier.isEmpty || workspaceIdentifier.isEmpty { + onFailure( + NSError( + domain: "Intelligents", + code: 0, + userInfo: [NSLocalizedDescriptionKey: "Unable to identify the document or workspace"] + ) + ) + } + Intelligents.qlClient.perform( + mutation: CreateCopilotSessionMutation(options: .init( + docId: documentIdentifier, + promptName: ation.prompt.rawValue, + workspaceId: workspaceIdentifier + )), + queue: .global() + ) { result in + switch result { + case let .success(value): + if let session = value.data?.createCopilotSession, !session.isEmpty { + DispatchQueue.main.async { onSuccess(session) } + } else { + DispatchQueue.main.async { + onFailure( + NSError( + domain: "Intelligents", + code: 0, + userInfo: [NSLocalizedDescriptionKey: "No session created"] + ) + ) + } + } + case let .failure(error): + DispatchQueue.main.async { onFailure(error) } + } + } + } + + func beginThisRound() { + Intelligents.qlClient.perform( + mutation: CreateCopilotMessageMutation(options: .init( + content: .init(stringLiteral: "\(documentContent)"), + sessionId: sessionID + )), + queue: .global() + ) { result in + switch result { + case let .success(value): + if let messageID = value.data?.createCopilotMessage { + print("[*] messageID", messageID) + self.chat_processWithMessageID(sessionID: self.sessionID, messageID: messageID) + } + case let .failure(error): + self.presentError(error) { + self.close() + } + } + } + } + + func chat_processWithMessageID(sessionID: String, messageID: String) { + let url = Constant.affineUpstreamURL + .appendingPathComponent("api") + .appendingPathComponent("copilot") + .appendingPathComponent("chat") + .appendingPathComponent(sessionID) + .appendingPathComponent("stream") + var comps = URLComponents(url: url, resolvingAgainstBaseURL: false) + comps?.queryItems = [URLQueryItem(name: "messageId", value: messageID)] + + guard let url = comps?.url else { + assertionFailure() + presentError(NSError( + domain: "Intelligents", + code: 0, + userInfo: [NSLocalizedDescriptionKey: "No message created"] + )) + return + } + + let eventHandler = BlockEventHandler() + eventHandler.onOpenedBlock = { + print("[*] chat opened") + } + eventHandler.onErrorBlock = { error in + self.presentError(error) { self.close() } + } + eventHandler.onMessageBlock = { _, message in + self.chat_onEvent(message.data) + } + eventHandler.onClosedBlock = { + self.chatTask?.stop() + self.chatTask = nil + } + let eventSource = EventSource(config: .init(handler: eventHandler, url: url)) + eventSource.start() + chatTask = eventSource + } + + func chat_onEvent(_ data: String) { + if Thread.isMainThread { + copilotDocumentStorage += data + } else { + DispatchQueue.main.asyncAndWait { + self.copilotDocumentStorage += data + } + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+ActionBar.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+ActionBar.swift new file mode 100644 index 0000000000..29baa8ef17 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+ActionBar.swift @@ -0,0 +1,80 @@ +// +// IntelligentsEphemeralActionController+ActionBar.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/15. +// + +import UIKit + +extension IntelligentsEphemeralActionController { + class ActionBar: UIView { + let retryButton = DarkActionButton() + let continueToChat = DarkActionButton() + let createNewDoc = DarkActionButton() + + init() { + super.init(frame: .zero) + defer { removeEveryAutoResizingMasks() } + + let contentSpacing: CGFloat = 16 + let buttonGroupHeight: CGFloat = 55 + + let firstButtonSectionGroup = UIView() + addSubview(firstButtonSectionGroup) + [ + firstButtonSectionGroup.topAnchor.constraint(equalTo: topAnchor, constant: contentSpacing), + firstButtonSectionGroup.leadingAnchor.constraint(equalTo: leadingAnchor), + firstButtonSectionGroup.trailingAnchor.constraint(equalTo: trailingAnchor), + firstButtonSectionGroup.heightAnchor.constraint(equalToConstant: buttonGroupHeight), + ].forEach { $0.isActive = true } + + retryButton.title = NSLocalizedString("Retry", comment: "") + retryButton.iconSystemName = "arrow.clockwise" + continueToChat.title = NSLocalizedString("Continue to Chat", comment: "") + continueToChat.iconSystemName = "paperplane" + firstButtonSectionGroup.addSubview(retryButton) + firstButtonSectionGroup.addSubview(continueToChat) + [ + retryButton.topAnchor.constraint(equalTo: firstButtonSectionGroup.topAnchor), + retryButton.leadingAnchor.constraint(equalTo: firstButtonSectionGroup.leadingAnchor), + retryButton.bottomAnchor.constraint(equalTo: firstButtonSectionGroup.bottomAnchor), + + continueToChat.topAnchor.constraint(equalTo: firstButtonSectionGroup.topAnchor), + continueToChat.trailingAnchor.constraint(equalTo: firstButtonSectionGroup.trailingAnchor), + continueToChat.bottomAnchor.constraint(equalTo: firstButtonSectionGroup.bottomAnchor), + + retryButton.widthAnchor.constraint(equalTo: continueToChat.widthAnchor), + retryButton.trailingAnchor.constraint(equalTo: continueToChat.leadingAnchor, constant: -contentSpacing), + ].forEach { $0.isActive = true } + + let secondButtonSectionGroup = UIView() + addSubview(secondButtonSectionGroup) + [ + secondButtonSectionGroup.topAnchor.constraint(equalTo: firstButtonSectionGroup.bottomAnchor, constant: contentSpacing), + secondButtonSectionGroup.leadingAnchor.constraint(equalTo: leadingAnchor), + secondButtonSectionGroup.trailingAnchor.constraint(equalTo: trailingAnchor), + secondButtonSectionGroup.heightAnchor.constraint(equalToConstant: buttonGroupHeight), + ].forEach { $0.isActive = true } + + secondButtonSectionGroup.addSubview(createNewDoc) + createNewDoc.title = NSLocalizedString("Create New Doc", comment: "") + createNewDoc.iconSystemName = "doc.badge.plus" + [ + createNewDoc.topAnchor.constraint(equalTo: secondButtonSectionGroup.topAnchor), + createNewDoc.leadingAnchor.constraint(equalTo: secondButtonSectionGroup.leadingAnchor), + createNewDoc.bottomAnchor.constraint(equalTo: secondButtonSectionGroup.bottomAnchor), + createNewDoc.trailingAnchor.constraint(equalTo: secondButtonSectionGroup.trailingAnchor), + ].forEach { $0.isActive = true } + + [ + secondButtonSectionGroup.bottomAnchor.constraint(equalTo: bottomAnchor), + ].forEach { $0.isActive = true } + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+Header.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+Header.swift new file mode 100644 index 0000000000..cabbb3e6fa --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController+Header.swift @@ -0,0 +1,115 @@ +// +// IntelligentsEphemeralActionController+Header.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/8. +// + +// +// IntelligentsChatController+Header.swift +// Intelligents +// +// Created by 秋星桥 on 2024/11/18. +// + +import UIKit + +extension IntelligentsEphemeralActionController { + class Header: UIView { + static let height: CGFloat = 44 + + let contentView = UIView() + let titleLabel = UILabel() + let dropMenu = UIButton() + let backButton = UIButton() + let rightBarItemsStack = UIStackView() + let moreMenu = UIButton() + + init() { + super.init(frame: .zero) + setupLayout() + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + @objc func navigateActionBack() { + parentViewController?.dismissInContext() + } + } +} + +private extension IntelligentsEphemeralActionController.Header { + func setupLayout() { + contentView.translatesAutoresizingMaskIntoConstraints = false + addSubview(contentView) + [ + contentView.leadingAnchor.constraint(equalTo: leadingAnchor), + contentView.trailingAnchor.constraint(equalTo: trailingAnchor), + contentView.bottomAnchor.constraint(equalTo: bottomAnchor), + contentView.heightAnchor.constraint(equalToConstant: Self.height), + ].forEach { $0.isActive = true } + + titleLabel.textColor = .label + titleLabel.font = .systemFont( + ofSize: UIFont.labelFontSize, + weight: .semibold + ) + + backButton.setImage( + UIImage(systemName: "chevron.left"), + for: .normal + ) + backButton.tintColor = .accent + backButton.addTarget(self, action: #selector(navigateActionBack), for: .touchUpInside) + + dropMenu.setImage( + .init(systemName: "chevron.down")?.withRenderingMode(.alwaysTemplate), + for: .normal + ) + dropMenu.tintColor = .gray.withAlphaComponent(0.5) + + contentView.addSubview(titleLabel) + contentView.addSubview(backButton) + contentView.addSubview(dropMenu) + contentView.addSubview(rightBarItemsStack) + titleLabel.translatesAutoresizingMaskIntoConstraints = false + backButton.translatesAutoresizingMaskIntoConstraints = false + dropMenu.translatesAutoresizingMaskIntoConstraints = false + rightBarItemsStack.translatesAutoresizingMaskIntoConstraints = false + + rightBarItemsStack.axis = .horizontal + rightBarItemsStack.spacing = 10 + rightBarItemsStack.alignment = .center + rightBarItemsStack.distribution = .equalSpacing + + [ + backButton.centerYAnchor.constraint(equalTo: contentView.centerYAnchor), + backButton.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10), + backButton.widthAnchor.constraint(equalToConstant: 44), + backButton.heightAnchor.constraint(equalToConstant: 44), + + rightBarItemsStack.centerYAnchor.constraint(equalTo: contentView.centerYAnchor), + rightBarItemsStack.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -10), + rightBarItemsStack.heightAnchor.constraint(equalToConstant: 44), + + titleLabel.centerXAnchor.constraint(equalTo: contentView.centerXAnchor), + titleLabel.centerYAnchor.constraint(equalTo: contentView.centerYAnchor), + titleLabel.leadingAnchor.constraint(greaterThanOrEqualTo: backButton.trailingAnchor, constant: 10), + + dropMenu.centerYAnchor.constraint(equalTo: contentView.centerYAnchor), + dropMenu.widthAnchor.constraint(equalToConstant: 44), + dropMenu.heightAnchor.constraint(equalToConstant: 44), + titleLabel.trailingAnchor.constraint(lessThanOrEqualTo: dropMenu.leadingAnchor, constant: -10), + ].forEach { $0.isActive = true } + + rightBarItemsStack.addArrangedSubview(moreMenu) + moreMenu.setImage( + .init(systemName: "ellipsis.circle"), + for: .normal + ) + moreMenu.tintColor = .accent + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController.swift new file mode 100644 index 0000000000..de14db0cc9 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsEphemeralActionController/IntelligentsEphemeralActionController.swift @@ -0,0 +1,278 @@ +// +// IntelligentsEphemeralActionController.swift +// Intelligents +// +// Created by 秋星桥 on 2025/1/8. +// + +import LDSwiftEventSource +import MarkdownParser +import MarkdownView +import UIKit + +public class IntelligentsEphemeralActionController: UIViewController { + let ation: EphemeralAction + let scrollView = UIScrollView() + let stackView = UIStackView() + + let header = Header() + let preview = RotatedImagePreview() + + let markdownView = MarkdownView() + let indicator = UIActivityIndicatorView(style: .large) + var responseContainer: UIView = .init() + var responseHeightAnchor: NSLayoutConstraint? + + let actionBar = ActionBar() + + public var documentID: String = "" + public var workspaceID: String = "" + public var documentContent: String = "" + var sessionID: String = "" + + var chatTask: EventSource? + var copilotDocumentStorage: String = "" { + didSet { + guard copilotDocumentStorage != oldValue else { return } + updateDocumentPresentationView() + scrollToBottom() + } + } + + public init(action: EphemeralAction) { + ation = action + super.init(nibName: nil, bundle: nil) + title = action.title + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + override public func viewDidLoad() { + super.viewDidLoad() + + overrideUserInterfaceStyle = .dark + hideKeyboardWhenTappedAround() + view.backgroundColor = .systemBackground + + header.titleLabel.text = title + header.dropMenu.isHidden = true + header.moreMenu.isHidden = true + view.addSubview(header) + header.translatesAutoresizingMaskIntoConstraints = false + [ + header.topAnchor.constraint(equalTo: view.topAnchor), + header.leadingAnchor.constraint(equalTo: view.leadingAnchor), + header.trailingAnchor.constraint(equalTo: view.trailingAnchor), + header.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 44), + ].forEach { $0.isActive = true } + + view.addSubview(actionBar) + actionBar.translatesAutoresizingMaskIntoConstraints = false + [ + actionBar.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 8), + actionBar.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -8), + actionBar.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor), + ].forEach { $0.isActive = true } + + scrollView.clipsToBounds = true + scrollView.alwaysBounceVertical = true + scrollView.translatesAutoresizingMaskIntoConstraints = false + view.addSubview(scrollView) + scrollView.translatesAutoresizingMaskIntoConstraints = false + [ + scrollView.topAnchor.constraint(equalTo: header.bottomAnchor), + scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor), + scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor), + scrollView.bottomAnchor.constraint(equalTo: actionBar.topAnchor), + ].forEach { $0.isActive = true } + + let contentView = UIView() + scrollView.addSubview(contentView) + contentView.translatesAutoresizingMaskIntoConstraints = false + [ + contentView.topAnchor.constraint(equalTo: scrollView.topAnchor), + contentView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor), + contentView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor), + contentView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor), + contentView.widthAnchor.constraint(equalTo: scrollView.widthAnchor), + contentView.heightAnchor.constraint(greaterThanOrEqualTo: scrollView.heightAnchor), + ].forEach { $0.isActive = true } + + contentView.addSubview(stackView) + stackView.translatesAutoresizingMaskIntoConstraints = false + stackView.axis = .vertical + stackView.spacing = 16 + stackView.alignment = .fill + stackView.distribution = .fill + contentView.addSubview(stackView) + + let stackViewInset: CGFloat = 8 + [ + stackView.topAnchor.constraint(equalTo: scrollView.topAnchor, constant: stackViewInset), + stackView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor, constant: stackViewInset), + stackView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor, constant: -stackViewInset), + stackView.bottomAnchor.constraint(equalTo: scrollView.bottomAnchor, constant: -stackViewInset), + ].forEach { $0.isActive = true } + + setupContentViews() + + actionBar.retryButton.action = { [weak self] in + self?.beginAction() + } + } + + func setupContentViews() { + defer { stackView.addArrangedSubview(UIView()) } + + preview.layer.cornerRadius = 16 + preview.clipsToBounds = true + preview.contentMode = .scaleAspectFill + preview.translatesAutoresizingMaskIntoConstraints = false + stackView.addArrangedSubview(preview) + + let headerGroup = UIView() + headerGroup.translatesAutoresizingMaskIntoConstraints = false + stackView.addArrangedSubview(headerGroup) + + let headerLabel = UILabel() + let headerIcon = UIImageView() + + headerLabel.translatesAutoresizingMaskIntoConstraints = false + headerLabel.text = NSLocalizedString("AFFiNE AI", comment: "") + headerLabel.font = .preferredFont(for: .title3, weight: .bold) + headerLabel.textColor = .white + headerLabel.textAlignment = .left + headerIcon.translatesAutoresizingMaskIntoConstraints = false + headerIcon.image = .init(named: "spark", in: .module, with: nil) + headerIcon.contentMode = .scaleAspectFit + headerIcon.tintColor = .accent + headerGroup.addSubview(headerLabel) + headerGroup.addSubview(headerIcon) + [ + headerIcon.leadingAnchor.constraint(equalTo: headerGroup.leadingAnchor), + headerIcon.centerYAnchor.constraint(equalTo: headerGroup.centerYAnchor), + headerIcon.widthAnchor.constraint(equalToConstant: 32), + + headerLabel.leadingAnchor.constraint(equalTo: headerIcon.trailingAnchor, constant: 16), + headerLabel.topAnchor.constraint(equalTo: headerGroup.topAnchor), + headerLabel.bottomAnchor.constraint(equalTo: headerGroup.bottomAnchor), + ].forEach { $0.isActive = true } + + responseContainer.translatesAutoresizingMaskIntoConstraints = false + responseContainer.setContentHuggingPriority(.required, for: .vertical) + responseContainer.setContentCompressionResistancePriority(.required, for: .vertical) + responseContainer.heightAnchor.constraint(greaterThanOrEqualToConstant: 350).isActive = true + stackView.addArrangedSubview(responseContainer) + + responseContainer.addSubview(markdownView) + + markdownView.translatesAutoresizingMaskIntoConstraints = false + [ + markdownView.topAnchor.constraint(equalTo: responseContainer.topAnchor), + markdownView.leadingAnchor.constraint(equalTo: responseContainer.leadingAnchor), + markdownView.trailingAnchor.constraint(equalTo: responseContainer.trailingAnchor), + markdownView.bottomAnchor.constraint(equalTo: responseContainer.bottomAnchor), + ].forEach { + $0.isActive = true + } + + indicator.startAnimating() + indicator.translatesAutoresizingMaskIntoConstraints = false + responseContainer.addSubview(indicator) + [ + indicator.centerXAnchor.constraint(equalTo: responseContainer.centerXAnchor), + indicator.centerYAnchor.constraint(equalTo: responseContainer.centerYAnchor), + indicator.heightAnchor.constraint(equalToConstant: 200), + ].forEach { + $0.isActive = true + } + + updateDocumentPresentationView() + } + + public func configure(previewImage: UIImage) { + preview.configure(previewImage: previewImage) + } + + private var isFirstAppear: Bool = true + override public func viewDidAppear(_ animated: Bool) { + super.viewDidAppear(animated) + guard isFirstAppear else { return } + isFirstAppear = false + onFirstAppear() + } + + func onFirstAppear() { + beginAction() + } + + func close() { + if let navigationController { + navigationController.popViewController(animated: true) + } else { + dismiss(animated: true) + } + } + + private var previousLayoutWidth: CGFloat = 0 + + override public func viewWillLayoutSubviews() { + super.viewWillLayoutSubviews() + + if previousLayoutWidth != view.bounds.width { + previousLayoutWidth = view.bounds.width + updateDocumentPresentationView() + } + } + + func updateDocumentPresentationView() { + assert(Thread.isMainThread) + + responseHeightAnchor?.isActive = false + responseHeightAnchor = nil + + if copilotDocumentStorage.isEmpty { + indicator.isHidden = false + indicator.startAnimating() + responseHeightAnchor = responseContainer.heightAnchor.constraint(equalToConstant: 200) + responseHeightAnchor?.isActive = true + markdownView.updateContentViews([]) + return + } + + indicator.isHidden = true + indicator.stopAnimating() + + let document = MarkdownParser().feed(copilotDocumentStorage) + var height: CGFloat = 0 + let manifests = document.map { + let ret = $0.manifest(theme: .default) + ret.setLayoutWidth(responseContainer.bounds.width) + ret.layoutIfNeeded() + height += ret.size.height + height += Theme.default.spacings.final + return ret + } + markdownView.updateContentViews(manifests) + if height > 0 { height -= Theme.default.spacings.final } + responseHeightAnchor = responseContainer.heightAnchor.constraint(equalToConstant: height) + responseHeightAnchor?.isActive = true + } + + func scrollToBottom() { + guard !copilotDocumentStorage.isEmpty else { return } + let bottomOffset = CGPoint( + x: 0, + y: max(0, scrollView.contentSize.height - scrollView.bounds.size.height) + ) + UIView.animate( + withDuration: 0.5, + delay: 0, + usingSpringWithDamping: 1.0, + initialSpringVelocity: 0.8 + ) { self.scrollView.setContentOffset(bottomOffset, animated: false) } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+ActionButton.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+ActionButton.swift deleted file mode 100644 index 03a39267ec..0000000000 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+ActionButton.swift +++ /dev/null @@ -1,76 +0,0 @@ -// -// IntelligentsFocusApertureView+ActionButton.swift -// Intelligents -// -// Created by 秋星桥 on 2024/11/21. -// - -import UIKit - -extension IntelligentsFocusApertureView.ControlButtonsPanel { - class DarkActionButton: UIView { - var iconSystemName: String { - set { iconView.image = UIImage(systemName: newValue) } - get { fatalError() } - } - - var title: String { - set { titleLabel.text = newValue } - get { titleLabel.text ?? "" } - } - - let titleLabel = UILabel() - let iconView = UIImageView() - var action: (() -> Void)? = nil - - override init(frame: CGRect) { - super.init(frame: frame) - backgroundColor = .white.withAlphaComponent(0.25) - layer.cornerRadius = 12 - - let layoutGuide = UILayoutGuide() - addLayoutGuide(layoutGuide) - - titleLabel.textAlignment = .center - titleLabel.font = .systemFont(ofSize: UIFont.labelFontSize, weight: .semibold) - titleLabel.textColor = .white - addSubview(titleLabel) - - iconView.contentMode = .scaleAspectFit - iconView.tintColor = .white - addSubview(iconView) - - [ - layoutGuide.centerXAnchor.constraint(equalTo: centerXAnchor), - layoutGuide.centerYAnchor.constraint(equalTo: centerYAnchor), - - iconView.topAnchor.constraint(greaterThanOrEqualTo: layoutGuide.topAnchor), - iconView.leadingAnchor.constraint(equalTo: layoutGuide.leadingAnchor), - iconView.bottomAnchor.constraint(lessThanOrEqualTo: layoutGuide.bottomAnchor), - iconView.centerYAnchor.constraint(equalTo: layoutGuide.centerYAnchor), - - titleLabel.topAnchor.constraint(greaterThanOrEqualTo: layoutGuide.topAnchor), - titleLabel.trailingAnchor.constraint(equalTo: layoutGuide.trailingAnchor), - titleLabel.bottomAnchor.constraint(lessThanOrEqualTo: layoutGuide.bottomAnchor), - titleLabel.centerYAnchor.constraint(equalTo: layoutGuide.centerYAnchor), - - titleLabel.leadingAnchor.constraint(equalTo: iconView.trailingAnchor, constant: 8), - ].forEach { $0.isActive = true } - - isUserInteractionEnabled = true - addGestureRecognizer(UITapGestureRecognizer( - target: self, - action: #selector(onTapped) - )) - } - - @available(*, unavailable) - required init?(coder _: NSCoder) { - fatalError() - } - - @objc func onTapped() { - action?() - } - } -} diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Capture.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Capture.swift index f820b9bcc6..e257762f68 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Capture.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Capture.swift @@ -9,12 +9,20 @@ import UIKit extension IntelligentsFocusApertureView { func captureImageBuffer(_ targetContentView: UIView) { - let imageSize = targetContentView.frame.size - let renderer = UIGraphicsImageRenderer(size: imageSize) + let contentSize = targetContentView.frame.size + + let renderer = UIGraphicsImageRenderer(size: contentSize) let image = renderer.image { _ in + let drawRect = CGRect( + x: 0, + y: 0, + width: contentSize.width, + height: contentSize.height + ) + targetContentView.drawHierarchy( - in: targetContentView.bounds, - afterScreenUpdates: false + in: drawRect, + afterScreenUpdates: true ) } capturedImage = image diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Delegate.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Delegate.swift index bbd7d14e49..eb13eff51b 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Delegate.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Delegate.swift @@ -15,5 +15,8 @@ public enum IntelligentsFocusApertureViewActionType: String { } public protocol IntelligentsFocusApertureViewDelegate: AnyObject { - func focusApertureRequestAction(actionType: IntelligentsFocusApertureViewActionType) + func focusApertureRequestAction( + from: IntelligentsFocusApertureView, + actionType: IntelligentsFocusApertureViewActionType + ) } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Layout.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Layout.swift index ab247ceaa7..3ba0b06226 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Layout.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView+Layout.swift @@ -38,10 +38,10 @@ extension IntelligentsFocusApertureView { } contentBeginConstraints = [ - snapshotView.leftAnchor.constraint(equalTo: targetView.leftAnchor), - snapshotView.rightAnchor.constraint(equalTo: targetView.rightAnchor), - snapshotView.topAnchor.constraint(equalTo: targetView.topAnchor), - snapshotView.bottomAnchor.constraint(equalTo: targetView.bottomAnchor), + snapshotImageView.leftAnchor.constraint(equalTo: targetView.leftAnchor), + snapshotImageView.rightAnchor.constraint(equalTo: targetView.rightAnchor), + snapshotImageView.topAnchor.constraint(equalTo: targetView.topAnchor), + snapshotImageView.bottomAnchor.constraint(equalTo: targetView.bottomAnchor), controlButtonsPanel.leftAnchor.constraint(equalTo: leftAnchor), controlButtonsPanel.rightAnchor.constraint(equalTo: rightAnchor), @@ -50,10 +50,10 @@ extension IntelligentsFocusApertureView { let sharedInset: CGFloat = 32 contentFinalConstraints = [ - snapshotView.leftAnchor.constraint(equalTo: leftAnchor, constant: sharedInset), - snapshotView.rightAnchor.constraint(equalTo: rightAnchor, constant: -sharedInset), - snapshotView.topAnchor.constraint(equalTo: topAnchor), - snapshotView.bottomAnchor.constraint(equalTo: controlButtonsPanel.topAnchor, constant: -sharedInset / 2), + snapshotImageView.leftAnchor.constraint(equalTo: leftAnchor, constant: sharedInset), + snapshotImageView.rightAnchor.constraint(equalTo: rightAnchor, constant: -sharedInset), + snapshotImageView.topAnchor.constraint(equalTo: topAnchor), + snapshotImageView.bottomAnchor.constraint(equalTo: controlButtonsPanel.topAnchor, constant: -sharedInset / 2), controlButtonsPanel.leftAnchor.constraint(equalTo: leftAnchor, constant: sharedInset), controlButtonsPanel.rightAnchor.constraint(equalTo: rightAnchor, constant: -sharedInset), @@ -73,12 +73,12 @@ extension IntelligentsFocusApertureView { NSLayoutConstraint.deactivate(contentFinalConstraints) NSLayoutConstraint.activate(contentBeginConstraints) - snapshotView.layer.cornerRadius = 0 + snapshotImageView.layer.cornerRadius = 0 case .complete: NSLayoutConstraint.deactivate(contentBeginConstraints) NSLayoutConstraint.activate(contentFinalConstraints) - snapshotView.layer.cornerRadius = 32 + snapshotImageView.layer.cornerRadius = 32 } let effectiveView = superview ?? self effectiveView.setNeedsUpdateConstraints() diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView.swift index e79fb3faeb..ee0a881d0f 100644 --- a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView.swift +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/IntelligentsFocusApertureView/IntelligentsFocusApertureView.swift @@ -8,8 +8,8 @@ import UIKit public class IntelligentsFocusApertureView: UIView { - let backgroundView = UIView() - let snapshotView = UIImageView() + public let backgroundView = UIView() + public let snapshotImageView = UIImageView() let controlButtonsPanel = ControlButtonsPanel() public var animationDuration: TimeInterval = 0.75 @@ -17,8 +17,8 @@ public class IntelligentsFocusApertureView: UIView { public internal(set) weak var targetView: UIView? public internal(set) weak var targetViewController: UIViewController? public internal(set) weak var capturedImage: UIImage? { - get { snapshotView.image } - set { snapshotView.image = newValue } + get { snapshotImageView.image } + set { snapshotImageView.image = newValue } } var frameConstraints: [NSLayoutConstraint] = [] @@ -32,35 +32,40 @@ public class IntelligentsFocusApertureView: UIView { backgroundView.backgroundColor = .black backgroundView.isUserInteractionEnabled = true - backgroundView.addGestureRecognizer(UITapGestureRecognizer( + let tap = UITapGestureRecognizer( target: self, action: #selector(dismissFocus) - )) + ) + tap.cancelsTouchesInView = true + backgroundView.addGestureRecognizer(tap) - snapshotView.setContentHuggingPriority(.defaultLow, for: .vertical) - snapshotView.setContentCompressionResistancePriority(.defaultLow, for: .vertical) - snapshotView.layer.contentsGravity = .top - snapshotView.layer.masksToBounds = true - snapshotView.contentMode = .scaleAspectFill - snapshotView.isUserInteractionEnabled = true - snapshotView.addGestureRecognizer(UITapGestureRecognizer( + snapshotImageView.setContentHuggingPriority(.defaultLow, for: .vertical) + snapshotImageView.setContentCompressionResistancePriority(.defaultLow, for: .vertical) + snapshotImageView.layer.contentsGravity = .top + snapshotImageView.layer.masksToBounds = true + snapshotImageView.contentMode = .scaleAspectFill + snapshotImageView.isUserInteractionEnabled = true + snapshotImageView.addGestureRecognizer(UITapGestureRecognizer( target: self, action: #selector(dismissFocus) )) addSubview(backgroundView) addSubview(controlButtonsPanel) - addSubview(snapshotView) - bringSubviewToFront(snapshotView) + addSubview(snapshotImageView) + bringSubviewToFront(snapshotImageView) controlButtonsPanel.translateButton.action = { [weak self] in - self?.delegate?.focusApertureRequestAction(actionType: .translateTo) + guard let self else { return } + delegate?.focusApertureRequestAction(from: self, actionType: .translateTo) } controlButtonsPanel.summaryButton.action = { [weak self] in - self?.delegate?.focusApertureRequestAction(actionType: .summary) + guard let self else { return } + delegate?.focusApertureRequestAction(from: self, actionType: .summary) } controlButtonsPanel.chatWithAIButton.action = { [weak self] in - self?.delegate?.focusApertureRequestAction(actionType: .chatWithAI) + guard let self else { return } + delegate?.focusApertureRequestAction(from: self, actionType: .chatWithAI) } removeEveryAutoResizingMasks() } @@ -122,7 +127,7 @@ public class IntelligentsFocusApertureView: UIView { isUserInteractionEnabled = false executeAnimationDismiss { self.removeFromSuperview() - self.delegate?.focusApertureRequestAction(actionType: .dismiss) + self.delegate?.focusApertureRequestAction(from: self, actionType: .dismiss) } } } diff --git a/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/SupplementView/DarkActionButton.swift b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/SupplementView/DarkActionButton.swift new file mode 100644 index 0000000000..258e0cc9ed --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/Intelligents/Sources/Intelligents/Interface/SupplementView/DarkActionButton.swift @@ -0,0 +1,74 @@ +// +// DarkActionButton.swift +// Intelligents +// +// Created by 秋星桥 on 2024/11/21. +// + +import UIKit + +class DarkActionButton: UIView { + var iconSystemName: String { + set { iconView.image = UIImage(systemName: newValue) } + get { fatalError() } + } + + var title: String { + set { titleLabel.text = newValue } + get { titleLabel.text ?? "" } + } + + let titleLabel = UILabel() + let iconView = UIImageView() + var action: (() -> Void)? = nil + + override init(frame: CGRect) { + super.init(frame: frame) + backgroundColor = .white.withAlphaComponent(0.25) + layer.cornerRadius = 12 + + let layoutGuide = UILayoutGuide() + addLayoutGuide(layoutGuide) + + titleLabel.textAlignment = .center + titleLabel.font = .systemFont(ofSize: UIFont.labelFontSize, weight: .semibold) + titleLabel.textColor = .white + addSubview(titleLabel) + + iconView.contentMode = .scaleAspectFit + iconView.tintColor = .white + addSubview(iconView) + + [ + layoutGuide.centerXAnchor.constraint(equalTo: centerXAnchor), + layoutGuide.centerYAnchor.constraint(equalTo: centerYAnchor), + + iconView.topAnchor.constraint(greaterThanOrEqualTo: layoutGuide.topAnchor), + iconView.leadingAnchor.constraint(equalTo: layoutGuide.leadingAnchor), + iconView.bottomAnchor.constraint(lessThanOrEqualTo: layoutGuide.bottomAnchor), + iconView.centerYAnchor.constraint(equalTo: layoutGuide.centerYAnchor), + + titleLabel.topAnchor.constraint(greaterThanOrEqualTo: layoutGuide.topAnchor), + titleLabel.trailingAnchor.constraint(equalTo: layoutGuide.trailingAnchor), + titleLabel.bottomAnchor.constraint(lessThanOrEqualTo: layoutGuide.bottomAnchor), + titleLabel.centerYAnchor.constraint(equalTo: layoutGuide.centerYAnchor), + + titleLabel.leadingAnchor.constraint(equalTo: iconView.trailingAnchor, constant: 8), + ].forEach { $0.isActive = true } + + isUserInteractionEnabled = true + addGestureRecognizer(UITapGestureRecognizer( + target: self, + action: #selector(onTapped) + )) + } + + @available(*, unavailable) + required init?(coder _: NSCoder) { + fatalError() + } + + @objc func onTapped() { + action?() + } +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/.gitignore b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/.gitignore new file mode 100644 index 0000000000..f751f49ac4 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/.gitignore @@ -0,0 +1,46 @@ +# Object files +*.o +*.ko +*.obj +*.elf + +# Libraries +*.lib +*.a + +# Shared objects (inc. Windows DLLs) +*.dll +*.so +*.so.* +*.dylib + +# Executables +*.exe +*.out +*.app +*.i*86 +*.x86_64 +*.hex +*.pyc + +*~ +*.bak +*.diff +*# +*.zip +bstrlib.txt +build +cmark.dSYM/* +cmark +.vscode +.DS_Store + +# Testing and benchmark +alltests.md +progit/ +bench/benchinput.md +test/afl_results/ + +# Build directories for SwiftPM and Xcode +.swiftpm +.build diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/COPYING b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/COPYING new file mode 100644 index 0000000000..db88a81b3e --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/COPYING @@ -0,0 +1,170 @@ +Copyright (c) 2014, John MacFarlane + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +----- + +houdini.h, houdini_href_e.c, houdini_html_e.c, houdini_html_u.c + +derive from https://github.com/vmg/houdini (with some modifications) + +Copyright (C) 2012 Vicent Martí + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +----- + +buffer.h, buffer.c, chunk.h + +are derived from code (C) 2012 Github, Inc. + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal in +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + +----- + +utf8.c and utf8.c + +are derived from utf8proc +(), +(C) 2009 Public Software Group e. V., Berlin, Germany. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the "Software"), +to deal in the Software without restriction, including without limitation +the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the +Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. + +----- + +The normalization code in normalize.py was derived from the +markdowntest project, Copyright 2013 Karl Dubost: + +The MIT License (MIT) + +Copyright (c) 2013 Karl Dubost + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +----- + +The CommonMark spec (test/spec.txt) is + +Copyright (C) 2014-15 John MacFarlane + +Released under the Creative Commons CC-BY-SA 4.0 license: +. + +----- + +The test software in test/ is + +Copyright (c) 2014, John MacFarlane + +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above + copyright notice, this list of conditions and the following + disclaimer in the documentation and/or other materials provided + with the distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/Package.swift b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/Package.swift new file mode 100644 index 0000000000..86c49cc1e3 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/Package.swift @@ -0,0 +1,42 @@ +// swift-tools-version:5.9 +// The swift-tools-version declares the minimum version of Swift required to build this package. + +import PackageDescription + +/* + + The main purpose to fork this library is for adding streamed parser support. + + Suppose we add a new function: + - cmark_parser *cmark_parser_fork(cmark_parser *parser); + + In this way we can call `cmark_parser_finish` to get the result without redo the entire document. + + But it is over my ability to implement this function. The parser class is too complex to manage. + + */ + +let cSettings: [CSetting] = [ + .define("CMARK_THREADING"), +] + +let package = Package( + name: "MarkdownParserCore", + products: [ + .library(name: "MarkdownParserCore", targets: ["cmark-gfm"]), + .library(name: "MarkdownParserCoreExtension", targets: ["cmark-gfm-extensions"]), + ], + targets: [ + .target( + name: "cmark-gfm", + path: "src", + cSettings: cSettings + ), + .target( + name: "cmark-gfm-extensions", + dependencies: ["cmark-gfm"], + path: "extensions", + cSettings: cSettings + ), + ] +) diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.c new file mode 100644 index 0000000000..bba666b9da --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.c @@ -0,0 +1,510 @@ +#include +#include +#include + +#include "autolink.h" +#include +#include + +#if defined(_WIN32) +#define strncasecmp _strnicmp +#else +#include +#endif + +static int is_valid_hostchar(const uint8_t *link, size_t link_len) { + int32_t ch; + int r = cmark_utf8proc_iterate(link, (bufsize_t)link_len, &ch); + if (r < 0) + return 0; + return !cmark_utf8proc_is_space(ch) && !cmark_utf8proc_is_punctuation(ch); +} + +static int sd_autolink_issafe(const uint8_t *link, size_t link_len) { + static const size_t valid_uris_count = 3; + static const char *valid_uris[] = {"http://", "https://", "ftp://"}; + + size_t i; + + for (i = 0; i < valid_uris_count; ++i) { + size_t len = strlen(valid_uris[i]); + + if (link_len > len && strncasecmp((char *)link, valid_uris[i], len) == 0 && + is_valid_hostchar(link + len, link_len - len)) + return 1; + } + + return 0; +} + +static size_t autolink_delim(uint8_t *data, size_t link_end) { + size_t i; + size_t closing = 0; + size_t opening = 0; + + for (i = 0; i < link_end; ++i) { + const uint8_t c = data[i]; + if (c == '<') { + link_end = i; + break; + } else if (c == '(') { + opening++; + } else if (c == ')') { + closing++; + } + } + + while (link_end > 0) { + switch (data[link_end - 1]) { + case ')': + /* Allow any number of matching brackets (as recognised in copen/cclose) + * at the end of the URL. If there is a greater number of closing + * brackets than opening ones, we remove one character from the end of + * the link. + * + * Examples (input text => output linked portion): + * + * http://www.pokemon.com/Pikachu_(Electric) + * => http://www.pokemon.com/Pikachu_(Electric) + * + * http://www.pokemon.com/Pikachu_((Electric) + * => http://www.pokemon.com/Pikachu_((Electric) + * + * http://www.pokemon.com/Pikachu_(Electric)) + * => http://www.pokemon.com/Pikachu_(Electric) + * + * http://www.pokemon.com/Pikachu_((Electric)) + * => http://www.pokemon.com/Pikachu_((Electric)) + */ + if (closing <= opening) { + return link_end; + } + closing--; + link_end--; + break; + case '?': + case '!': + case '.': + case ',': + case ':': + case '*': + case '_': + case '~': + case '\'': + case '"': + link_end--; + break; + case ';': { + size_t new_end = link_end - 2; + + while (new_end > 0 && cmark_isalpha(data[new_end])) + new_end--; + + if (new_end < link_end - 2 && data[new_end] == '&') + link_end = new_end; + else + link_end--; + break; + } + + default: + return link_end; + } + } + + return link_end; +} + +static size_t check_domain(uint8_t *data, size_t size, int allow_short) { + size_t i, np = 0, uscore1 = 0, uscore2 = 0; + + /* The purpose of this code is to reject urls that contain an underscore + * in one of the last two segments. Examples: + * + * www.xxx.yyy.zzz autolinked + * www.xxx.yyy._zzz not autolinked + * www.xxx._yyy.zzz not autolinked + * www._xxx.yyy.zzz autolinked + * + * The reason is that domain names are allowed to include underscores, + * but host names are not. See: https://stackoverflow.com/a/2183140 + */ + for (i = 1; i < size - 1; i++) { + if (data[i] == '\\' && i < size - 2) + i++; + if (data[i] == '_') + uscore2++; + else if (data[i] == '.') { + uscore1 = uscore2; + uscore2 = 0; + np++; + } else if (!is_valid_hostchar(data + i, size - i) && data[i] != '-') + break; + } + + if (uscore1 > 0 || uscore2 > 0) { + /* If the url is very long then accept it despite the underscores, + * to avoid quadratic behavior causing a denial of service. See: + * https://github.com/github/cmark-gfm/security/advisories/GHSA-29g3-96g3-jg6c + * Reasonable urls are unlikely to have more than 10 segments, so + * this extra condition shouldn't have any impact on normal usage. + */ + if (np <= 10) { + return 0; + } + } + + if (allow_short) { + /* We don't need a valid domain in the strict sense (with + * least one dot; so just make sure it's composed of valid + * domain characters and return the length of the the valid + * sequence. */ + return i; + } else { + /* a valid domain needs to have at least a dot. + * that's as far as we get */ + return np ? i : 0; + } +} + +static cmark_node *www_match(cmark_parser *parser, cmark_node *parent, + cmark_inline_parser *inline_parser) { + cmark_chunk *chunk = cmark_inline_parser_get_chunk(inline_parser); + size_t max_rewind = cmark_inline_parser_get_offset(inline_parser); + uint8_t *data = chunk->data + max_rewind; + size_t size = chunk->len - max_rewind; + int start = cmark_inline_parser_get_column(inline_parser); + + size_t link_end; + + if (max_rewind > 0 && strchr("*_~(", data[-1]) == NULL && + !cmark_isspace(data[-1])) + return 0; + + if (size < 4 || memcmp(data, "www.", strlen("www.")) != 0) + return 0; + + link_end = check_domain(data, size, 0); + + if (link_end == 0) + return NULL; + + while (link_end < size && !cmark_isspace(data[link_end]) && data[link_end] != '<') + link_end++; + + link_end = autolink_delim(data, link_end); + + if (link_end == 0) + return NULL; + + cmark_inline_parser_set_offset(inline_parser, (int)(max_rewind + link_end)); + + cmark_node *node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem); + + cmark_strbuf buf; + cmark_strbuf_init(parser->mem, &buf, 10); + cmark_strbuf_puts(&buf, "http://"); + cmark_strbuf_put(&buf, data, (bufsize_t)link_end); + node->as.link.url = cmark_chunk_buf_detach(&buf); + + cmark_node *text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem); + text->as.literal = + cmark_chunk_dup(chunk, (bufsize_t)max_rewind, (bufsize_t)link_end); + cmark_node_append_child(node, text); + + node->start_line = text->start_line = + node->end_line = text->end_line = + cmark_inline_parser_get_line(inline_parser); + + node->start_column = text->start_column = start - 1; + node->end_column = text->end_column = cmark_inline_parser_get_column(inline_parser) - 1; + + return node; +} + +static cmark_node *url_match(cmark_parser *parser, cmark_node *parent, + cmark_inline_parser *inline_parser) { + size_t link_end, domain_len; + int rewind = 0; + + cmark_chunk *chunk = cmark_inline_parser_get_chunk(inline_parser); + int max_rewind = cmark_inline_parser_get_offset(inline_parser); + uint8_t *data = chunk->data + max_rewind; + size_t size = chunk->len - max_rewind; + + if (size < 4 || data[1] != '/' || data[2] != '/') + return 0; + + while (rewind < max_rewind && cmark_isalpha(data[-rewind - 1])) + rewind++; + + if (!sd_autolink_issafe(data - rewind, size + rewind)) + return 0; + + link_end = strlen("://"); + + domain_len = check_domain(data + link_end, size - link_end, 1); + + if (domain_len == 0) + return 0; + + link_end += domain_len; + while (link_end < size && !cmark_isspace(data[link_end]) && data[link_end] != '<') + link_end++; + + link_end = autolink_delim(data, link_end); + + if (link_end == 0) + return NULL; + + cmark_inline_parser_set_offset(inline_parser, (int)(max_rewind + link_end)); + cmark_node_unput(parent, rewind); + + cmark_node *node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem); + + cmark_chunk url = cmark_chunk_dup(chunk, max_rewind - rewind, + (bufsize_t)(link_end + rewind)); + node->as.link.url = url; + + cmark_node *text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem); + text->as.literal = url; + cmark_node_append_child(node, text); + + node->start_line = text->start_line = node->end_line = text->end_line = cmark_inline_parser_get_line(inline_parser); + + node->start_column = text->start_column = max_rewind - rewind; + node->end_column = text->end_column = cmark_inline_parser_get_column(inline_parser) - 1; + + return node; +} + +static cmark_node *match(cmark_syntax_extension *ext, cmark_parser *parser, + cmark_node *parent, unsigned char c, + cmark_inline_parser *inline_parser) { + if (cmark_inline_parser_in_bracket(inline_parser, false) || + cmark_inline_parser_in_bracket(inline_parser, true)) + return NULL; + + if (c == ':') + return url_match(parser, parent, inline_parser); + + if (c == 'w') + return www_match(parser, parent, inline_parser); + + return NULL; + + // note that we could end up re-consuming something already a + // part of an inline, because we don't track when the last + // inline was finished in inlines.c. +} + +static bool validate_protocol(const char protocol[], uint8_t *data, size_t rewind, size_t max_rewind) { + size_t len = strlen(protocol); + + if (len > (max_rewind - rewind)) { + return false; + } + + // Check that the protocol matches + if (memcmp(data - rewind - len, protocol, len) != 0) { + return false; + } + + if (len == (max_rewind - rewind)) { + return true; + } + + char prev_char = data[-((ptrdiff_t)rewind) - len - 1]; + + // Make sure the character before the protocol is non-alphanumeric + return !cmark_isalnum(prev_char); +} + +static void postprocess_text(cmark_parser *parser, cmark_node *text) { + size_t start = 0; + size_t offset = 0; + // `text` is going to be split into a list of nodes containing shorter segments + // of text, so we detach the memory buffer from text and use `cmark_chunk_dup` to + // create references to it. Later, `cmark_chunk_to_cstr` is used to convert + // the references into allocated buffers. The detached buffer is freed before we + // return. + cmark_chunk detached_chunk = text->as.literal; + text->as.literal = cmark_chunk_dup(&detached_chunk, 0, detached_chunk.len); + + uint8_t *data = text->as.literal.data; + size_t remaining = text->as.literal.len; + + while (true) { + size_t link_end; + uint8_t *at; + bool auto_mailto = true; + bool is_xmpp = false; + size_t rewind; + size_t max_rewind; + size_t np = 0; + + if (offset >= remaining) + break; + + at = (uint8_t *)memchr(data + start + offset, '@', remaining - offset); + if (!at) + break; + + max_rewind = at - (data + start + offset); + +found_at: + for (rewind = 0; rewind < max_rewind; ++rewind) { + uint8_t c = data[start + offset + max_rewind - rewind - 1]; + + if (cmark_isalnum(c)) + continue; + + if (strchr(".+-_", c) != NULL) + continue; + + if (strchr(":", c) != NULL) { + if (validate_protocol("mailto:", data + start + offset + max_rewind, rewind, max_rewind)) { + auto_mailto = false; + continue; + } + + if (validate_protocol("xmpp:", data + start + offset + max_rewind, rewind, max_rewind)) { + auto_mailto = false; + is_xmpp = true; + continue; + } + } + + break; + } + + if (rewind == 0) { + offset += max_rewind + 1; + continue; + } + + assert(data[start + offset + max_rewind] == '@'); + for (link_end = 1; link_end < remaining - offset - max_rewind; ++link_end) { + uint8_t c = data[start + offset + max_rewind + link_end]; + + if (cmark_isalnum(c)) + continue; + + if (c == '@') { + // Found another '@', so go back and try again with an updated offset and max_rewind. + offset += max_rewind + 1; + max_rewind = link_end - 1; + goto found_at; + } else if (c == '.' && link_end < remaining - offset - max_rewind - 1 && + cmark_isalnum(data[start + offset + max_rewind + link_end + 1])) + np++; + else if (c == '/' && is_xmpp) + continue; + else if (c != '-' && c != '_') + break; + } + + if (link_end < 2 || np == 0 || + (!cmark_isalpha(data[start + offset + max_rewind + link_end - 1]) && + data[start + offset + max_rewind + link_end - 1] != '.')) { + offset += max_rewind + link_end; + continue; + } + + link_end = autolink_delim(data + start + offset + max_rewind, link_end); + + if (link_end == 0) { + offset += max_rewind + 1; + continue; + } + + cmark_node *link_node = cmark_node_new_with_mem(CMARK_NODE_LINK, parser->mem); + cmark_strbuf buf; + cmark_strbuf_init(parser->mem, &buf, 10); + if (auto_mailto) + cmark_strbuf_puts(&buf, "mailto:"); + cmark_strbuf_put(&buf, data + start + offset + max_rewind - rewind, (bufsize_t)(link_end + rewind)); + link_node->as.link.url = cmark_chunk_buf_detach(&buf); + + cmark_node *link_text = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem); + cmark_chunk email = cmark_chunk_dup( + &detached_chunk, + (bufsize_t)(start + offset + max_rewind - rewind), + (bufsize_t)(link_end + rewind)); + cmark_chunk_to_cstr(parser->mem, &email); + link_text->as.literal = email; + cmark_node_append_child(link_node, link_text); + + cmark_node_insert_after(text, link_node); + + cmark_node *post = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem); + post->as.literal = cmark_chunk_dup(&detached_chunk, + (bufsize_t)(start + offset + max_rewind + link_end), + (bufsize_t)(remaining - offset - max_rewind - link_end)); + + cmark_node_insert_after(link_node, post); + + text->as.literal = cmark_chunk_dup(&detached_chunk, (bufsize_t)start, (bufsize_t)(offset + max_rewind - rewind)); + cmark_chunk_to_cstr(parser->mem, &text->as.literal); + + text = post; + start += offset + max_rewind + link_end; + remaining -= offset + max_rewind + link_end; + offset = 0; + } + + // Convert the reference to allocated memory. + assert(!text->as.literal.alloc); + cmark_chunk_to_cstr(parser->mem, &text->as.literal); + + // Free the detached buffer. + cmark_chunk_free(parser->mem, &detached_chunk); +} + +static cmark_node *postprocess(cmark_syntax_extension *ext, cmark_parser *parser, cmark_node *root) { + cmark_iter *iter; + cmark_event_type ev; + cmark_node *node; + bool in_link = false; + + cmark_consolidate_text_nodes(root); + iter = cmark_iter_new(root); + + while ((ev = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + node = cmark_iter_get_node(iter); + if (in_link) { + if (ev == CMARK_EVENT_EXIT && node->type == CMARK_NODE_LINK) { + in_link = false; + } + continue; + } + + if (ev == CMARK_EVENT_ENTER && node->type == CMARK_NODE_LINK) { + in_link = true; + continue; + } + + if (ev == CMARK_EVENT_ENTER && node->type == CMARK_NODE_TEXT) { + postprocess_text(parser, node); + } + } + + cmark_iter_free(iter); + + return root; +} + +cmark_syntax_extension *create_autolink_extension(void) { + cmark_syntax_extension *ext = cmark_syntax_extension_new("autolink"); + cmark_llist *special_chars = NULL; + + cmark_syntax_extension_set_match_inline_func(ext, match); + cmark_syntax_extension_set_postprocess_func(ext, postprocess); + + cmark_mem *mem = cmark_get_default_mem_allocator(); + special_chars = cmark_llist_append(mem, special_chars, (void *)':'); + special_chars = cmark_llist_append(mem, special_chars, (void *)'w'); + cmark_syntax_extension_set_special_inline_chars(ext, special_chars); + + return ext; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.h new file mode 100644 index 0000000000..4e179379dd --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/autolink.h @@ -0,0 +1,8 @@ +#ifndef CMARK_GFM_AUTOLINK_H +#define CMARK_GFM_AUTOLINK_H + +#include "cmark-gfm-core-extensions.h" + +cmark_syntax_extension *create_autolink_extension(void); + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/core-extensions.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/core-extensions.c new file mode 100644 index 0000000000..34425511a9 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/core-extensions.c @@ -0,0 +1,31 @@ +#include "cmark-gfm-core-extensions.h" +#include "autolink.h" +#include "mutex.h" +#include "node.h" +#include "strikethrough.h" +#include "table.h" +#include "tagfilter.h" +#include "tasklist.h" +#include "registry.h" +#include "plugin.h" + +static int core_extensions_registration(cmark_plugin *plugin) { + cmark_plugin_register_syntax_extension(plugin, create_table_extension()); + cmark_plugin_register_syntax_extension(plugin, + create_strikethrough_extension()); + cmark_plugin_register_syntax_extension(plugin, create_autolink_extension()); + cmark_plugin_register_syntax_extension(plugin, create_tagfilter_extension()); + cmark_plugin_register_syntax_extension(plugin, create_tasklist_extension()); + return 1; +} + +CMARK_DEFINE_ONCE(registered); + +static void register_plugins(void) { + cmark_register_plugin(core_extensions_registration); +} + +CMARK_GFM_EXPORT +void cmark_gfm_core_extensions_ensure_registered(void) { + CMARK_RUN_ONCE(registered, register_plugins); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.c new file mode 100644 index 0000000000..0d3ba28814 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.c @@ -0,0 +1,879 @@ +/* Generated by re2c 1.3 */ + +#include "ext_scanners.h" +#include + +bufsize_t _ext_scan_at(bufsize_t (*scanner)(const unsigned char *), + unsigned char *ptr, int len, bufsize_t offset) { + bufsize_t res; + + if (ptr == NULL || offset >= len) { + return 0; + } else { + unsigned char lim = ptr[len]; + + ptr[len] = '\0'; + res = scanner(ptr + offset); + ptr[len] = lim; + } + + return res; +} + +bufsize_t _scan_table_start(const unsigned char *p) { + const unsigned char *marker = NULL; + const unsigned char *start = p; + + { + unsigned char yych; + static const unsigned char yybm[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + yych = *p; + if (yych <= ' ') { + if (yych <= '\n') { + if (yych == '\t') + goto yy4; + } else { + if (yych <= '\f') + goto yy4; + if (yych >= ' ') + goto yy4; + } + } else { + if (yych <= '9') { + if (yych == '-') + goto yy5; + } else { + if (yych <= ':') + goto yy6; + if (yych == '|') + goto yy4; + } + } + ++p; + yy3 : { return 0; } + yy4: + yych = *(marker = ++p); + if (yybm[0 + yych] & 64) { + goto yy7; + } + if (yych == '-') + goto yy10; + if (yych == ':') + goto yy12; + goto yy3; + yy5: + yych = *(marker = ++p); + if (yybm[0 + yych] & 128) { + goto yy10; + } + if (yych <= ' ') { + if (yych <= 0x08) + goto yy3; + if (yych <= '\r') + goto yy14; + if (yych <= 0x1F) + goto yy3; + goto yy14; + } else { + if (yych <= ':') { + if (yych <= '9') + goto yy3; + goto yy13; + } else { + if (yych == '|') + goto yy14; + goto yy3; + } + } + yy6: + yych = *(marker = ++p); + if (yybm[0 + yych] & 128) { + goto yy10; + } + goto yy3; + yy7: + yych = *++p; + if (yybm[0 + yych] & 64) { + goto yy7; + } + if (yych == '-') + goto yy10; + if (yych == ':') + goto yy12; + yy9: + p = marker; + goto yy3; + yy10: + yych = *++p; + if (yybm[0 + yych] & 128) { + goto yy10; + } + if (yych <= 0x1F) { + if (yych <= '\n') { + if (yych <= 0x08) + goto yy9; + if (yych <= '\t') + goto yy13; + goto yy15; + } else { + if (yych <= '\f') + goto yy13; + if (yych <= '\r') + goto yy17; + goto yy9; + } + } else { + if (yych <= ':') { + if (yych <= ' ') + goto yy13; + if (yych <= '9') + goto yy9; + goto yy13; + } else { + if (yych == '|') + goto yy18; + goto yy9; + } + } + yy12: + yych = *++p; + if (yybm[0 + yych] & 128) { + goto yy10; + } + goto yy9; + yy13: + yych = *++p; + yy14: + if (yych <= '\r') { + if (yych <= '\t') { + if (yych <= 0x08) + goto yy9; + goto yy13; + } else { + if (yych <= '\n') + goto yy15; + if (yych <= '\f') + goto yy13; + goto yy17; + } + } else { + if (yych <= ' ') { + if (yych <= 0x1F) + goto yy9; + goto yy13; + } else { + if (yych == '|') + goto yy18; + goto yy9; + } + } + yy15: + ++p; + { return (bufsize_t)(p - start); } + yy17: + yych = *++p; + if (yych == '\n') + goto yy15; + goto yy9; + yy18: + yych = *++p; + if (yybm[0 + yych] & 128) { + goto yy10; + } + if (yych <= '\r') { + if (yych <= '\t') { + if (yych <= 0x08) + goto yy9; + goto yy18; + } else { + if (yych <= '\n') + goto yy15; + if (yych <= '\f') + goto yy18; + goto yy17; + } + } else { + if (yych <= ' ') { + if (yych <= 0x1F) + goto yy9; + goto yy18; + } else { + if (yych == ':') + goto yy12; + goto yy9; + } + } + } +} + +bufsize_t _scan_table_cell(const unsigned char *p) { + const unsigned char *marker = NULL; + const unsigned char *start = p; + + { + unsigned char yych; + unsigned int yyaccept = 0; + static const unsigned char yybm[] = { + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 64, 64, 0, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, + 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 0, 64, + 64, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, + }; + yych = *p; + if (yybm[0 + yych] & 64) { + goto yy22; + } + if (yych <= 0xEC) { + if (yych <= 0xC1) { + if (yych <= '\r') + goto yy25; + if (yych <= '\\') + goto yy27; + goto yy25; + } else { + if (yych <= 0xDF) + goto yy29; + if (yych <= 0xE0) + goto yy30; + goto yy31; + } + } else { + if (yych <= 0xF0) { + if (yych <= 0xED) + goto yy32; + if (yych <= 0xEF) + goto yy31; + goto yy33; + } else { + if (yych <= 0xF3) + goto yy34; + if (yych <= 0xF4) + goto yy35; + goto yy25; + } + } + yy22: + yyaccept = 0; + yych = *(marker = ++p); + if (yybm[0 + yych] & 64) { + goto yy22; + } + if (yych <= 0xEC) { + if (yych <= 0xC1) { + if (yych <= '\r') + goto yy24; + if (yych <= '\\') + goto yy27; + } else { + if (yych <= 0xDF) + goto yy36; + if (yych <= 0xE0) + goto yy38; + goto yy39; + } + } else { + if (yych <= 0xF0) { + if (yych <= 0xED) + goto yy40; + if (yych <= 0xEF) + goto yy39; + goto yy41; + } else { + if (yych <= 0xF3) + goto yy42; + if (yych <= 0xF4) + goto yy43; + } + } + yy24 : { return (bufsize_t)(p - start); } + yy25: + ++p; + yy26 : { return 0; } + yy27: + yyaccept = 0; + yych = *(marker = ++p); + if (yybm[0 + yych] & 128) { + goto yy27; + } + if (yych <= 0xDF) { + if (yych <= '\f') { + if (yych == '\n') + goto yy24; + goto yy22; + } else { + if (yych <= '\r') + goto yy24; + if (yych <= 0x7F) + goto yy22; + if (yych <= 0xC1) + goto yy24; + goto yy36; + } + } else { + if (yych <= 0xEF) { + if (yych <= 0xE0) + goto yy38; + if (yych == 0xED) + goto yy40; + goto yy39; + } else { + if (yych <= 0xF0) + goto yy41; + if (yych <= 0xF3) + goto yy42; + if (yych <= 0xF4) + goto yy43; + goto yy24; + } + } + yy29: + yych = *++p; + if (yych <= 0x7F) + goto yy26; + if (yych <= 0xBF) + goto yy22; + goto yy26; + yy30: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x9F) + goto yy26; + if (yych <= 0xBF) + goto yy36; + goto yy26; + yy31: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x7F) + goto yy26; + if (yych <= 0xBF) + goto yy36; + goto yy26; + yy32: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x7F) + goto yy26; + if (yych <= 0x9F) + goto yy36; + goto yy26; + yy33: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x8F) + goto yy26; + if (yych <= 0xBF) + goto yy39; + goto yy26; + yy34: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x7F) + goto yy26; + if (yych <= 0xBF) + goto yy39; + goto yy26; + yy35: + yyaccept = 1; + yych = *(marker = ++p); + if (yych <= 0x7F) + goto yy26; + if (yych <= 0x8F) + goto yy39; + goto yy26; + yy36: + yych = *++p; + if (yych <= 0x7F) + goto yy37; + if (yych <= 0xBF) + goto yy22; + yy37: + p = marker; + if (yyaccept == 0) { + goto yy24; + } else { + goto yy26; + } + yy38: + yych = *++p; + if (yych <= 0x9F) + goto yy37; + if (yych <= 0xBF) + goto yy36; + goto yy37; + yy39: + yych = *++p; + if (yych <= 0x7F) + goto yy37; + if (yych <= 0xBF) + goto yy36; + goto yy37; + yy40: + yych = *++p; + if (yych <= 0x7F) + goto yy37; + if (yych <= 0x9F) + goto yy36; + goto yy37; + yy41: + yych = *++p; + if (yych <= 0x8F) + goto yy37; + if (yych <= 0xBF) + goto yy39; + goto yy37; + yy42: + yych = *++p; + if (yych <= 0x7F) + goto yy37; + if (yych <= 0xBF) + goto yy39; + goto yy37; + yy43: + yych = *++p; + if (yych <= 0x7F) + goto yy37; + if (yych <= 0x8F) + goto yy39; + goto yy37; + } +} + +bufsize_t _scan_table_cell_end(const unsigned char *p) { + const unsigned char *start = p; + + { + unsigned char yych; + static const unsigned char yybm[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 128, 128, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + yych = *p; + if (yych == '|') + goto yy48; + ++p; + { return 0; } + yy48: + yych = *++p; + if (yybm[0 + yych] & 128) { + goto yy48; + } + { return (bufsize_t)(p - start); } + } +} + +bufsize_t _scan_table_row_end(const unsigned char *p) { + const unsigned char *marker = NULL; + const unsigned char *start = p; + + { + unsigned char yych; + static const unsigned char yybm[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 128, 128, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + yych = *p; + if (yych <= '\f') { + if (yych <= 0x08) + goto yy53; + if (yych == '\n') + goto yy56; + goto yy55; + } else { + if (yych <= '\r') + goto yy58; + if (yych == ' ') + goto yy55; + } + yy53: + ++p; + yy54 : { return 0; } + yy55: + yych = *(marker = ++p); + if (yych <= 0x08) + goto yy54; + if (yych <= '\r') + goto yy60; + if (yych == ' ') + goto yy60; + goto yy54; + yy56: + ++p; + { return (bufsize_t)(p - start); } + yy58: + yych = *++p; + if (yych == '\n') + goto yy56; + goto yy54; + yy59: + yych = *++p; + yy60: + if (yybm[0 + yych] & 128) { + goto yy59; + } + if (yych <= 0x08) + goto yy61; + if (yych <= '\n') + goto yy56; + if (yych <= '\r') + goto yy62; + yy61: + p = marker; + goto yy54; + yy62: + yych = *++p; + if (yych == '\n') + goto yy56; + goto yy61; + } +} + +bufsize_t _scan_tasklist(const unsigned char *p) { + const unsigned char *marker = NULL; + const unsigned char *start = p; + + { + unsigned char yych; + static const unsigned char yybm[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 64, 64, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + }; + yych = *p; + if (yych <= ' ') { + if (yych <= '\n') { + if (yych == '\t') + goto yy67; + } else { + if (yych <= '\f') + goto yy67; + if (yych >= ' ') + goto yy67; + } + } else { + if (yych <= ',') { + if (yych <= ')') + goto yy65; + if (yych <= '+') + goto yy68; + } else { + if (yych <= '-') + goto yy68; + if (yych <= '/') + goto yy65; + if (yych <= '9') + goto yy69; + } + } + yy65: + ++p; + yy66 : { return 0; } + yy67: + yych = *(marker = ++p); + if (yybm[0 + yych] & 64) { + goto yy70; + } + if (yych <= ',') { + if (yych <= ')') + goto yy66; + if (yych <= '+') + goto yy73; + goto yy66; + } else { + if (yych <= '-') + goto yy73; + if (yych <= '/') + goto yy66; + if (yych <= '9') + goto yy74; + goto yy66; + } + yy68: + yych = *(marker = ++p); + if (yych <= '\n') { + if (yych == '\t') + goto yy75; + goto yy66; + } else { + if (yych <= '\f') + goto yy75; + if (yych == ' ') + goto yy75; + goto yy66; + } + yy69: + yych = *(marker = ++p); + if (yych <= 0x1F) { + if (yych <= '\t') { + if (yych <= 0x08) + goto yy78; + goto yy73; + } else { + if (yych <= '\n') + goto yy66; + if (yych <= '\f') + goto yy73; + goto yy78; + } + } else { + if (yych <= 0x7F) { + if (yych <= ' ') + goto yy73; + goto yy78; + } else { + if (yych <= 0xC1) + goto yy66; + if (yych <= 0xF4) + goto yy78; + goto yy66; + } + } + yy70: + yych = *++p; + if (yybm[0 + yych] & 64) { + goto yy70; + } + if (yych <= ',') { + if (yych <= ')') + goto yy72; + if (yych <= '+') + goto yy73; + } else { + if (yych <= '-') + goto yy73; + if (yych <= '/') + goto yy72; + if (yych <= '9') + goto yy74; + } + yy72: + p = marker; + goto yy66; + yy73: + yych = *++p; + if (yych == '[') + goto yy72; + goto yy76; + yy74: + yych = *++p; + if (yych <= '\n') { + if (yych == '\t') + goto yy73; + goto yy78; + } else { + if (yych <= '\f') + goto yy73; + if (yych == ' ') + goto yy73; + goto yy78; + } + yy75: + yych = *++p; + yy76: + if (yych <= '\f') { + if (yych == '\t') + goto yy75; + if (yych <= '\n') + goto yy72; + goto yy75; + } else { + if (yych <= ' ') { + if (yych <= 0x1F) + goto yy72; + goto yy75; + } else { + if (yych == '[') + goto yy86; + goto yy72; + } + } + yy77: + yych = *++p; + yy78: + if (yybm[0 + yych] & 128) { + goto yy77; + } + if (yych <= 0xC1) { + if (yych <= '\f') { + if (yych <= 0x08) + goto yy73; + if (yych == '\n') + goto yy72; + goto yy75; + } else { + if (yych == ' ') + goto yy75; + if (yych <= 0x7F) + goto yy73; + goto yy72; + } + } else { + if (yych <= 0xED) { + if (yych <= 0xDF) + goto yy79; + if (yych <= 0xE0) + goto yy80; + if (yych <= 0xEC) + goto yy81; + goto yy82; + } else { + if (yych <= 0xF0) { + if (yych <= 0xEF) + goto yy81; + goto yy83; + } else { + if (yych <= 0xF3) + goto yy84; + if (yych <= 0xF4) + goto yy85; + goto yy72; + } + } + } + yy79: + yych = *++p; + if (yych <= 0x7F) + goto yy72; + if (yych <= 0xBF) + goto yy73; + goto yy72; + yy80: + yych = *++p; + if (yych <= 0x9F) + goto yy72; + if (yych <= 0xBF) + goto yy79; + goto yy72; + yy81: + yych = *++p; + if (yych <= 0x7F) + goto yy72; + if (yych <= 0xBF) + goto yy79; + goto yy72; + yy82: + yych = *++p; + if (yych <= 0x7F) + goto yy72; + if (yych <= 0x9F) + goto yy79; + goto yy72; + yy83: + yych = *++p; + if (yych <= 0x8F) + goto yy72; + if (yych <= 0xBF) + goto yy81; + goto yy72; + yy84: + yych = *++p; + if (yych <= 0x7F) + goto yy72; + if (yych <= 0xBF) + goto yy81; + goto yy72; + yy85: + yych = *++p; + if (yych <= 0x7F) + goto yy72; + if (yych <= 0x8F) + goto yy81; + goto yy72; + yy86: + yych = *++p; + if (yych <= 'W') { + if (yych != ' ') + goto yy72; + } else { + if (yych <= 'X') + goto yy87; + if (yych != 'x') + goto yy72; + } + yy87: + yych = *++p; + if (yych != ']') + goto yy72; + yych = *++p; + if (yych <= '\n') { + if (yych != '\t') + goto yy72; + } else { + if (yych <= '\f') + goto yy89; + if (yych != ' ') + goto yy72; + } + yy89: + yych = *++p; + if (yych <= '\n') { + if (yych == '\t') + goto yy89; + } else { + if (yych <= '\f') + goto yy89; + if (yych == ' ') + goto yy89; + } + { return (bufsize_t)(p - start); } + } +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.h new file mode 100644 index 0000000000..6dd4a725d3 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/ext_scanners.h @@ -0,0 +1,24 @@ +#include "chunk.h" +#include "cmark-gfm.h" + +#ifdef __cplusplus +extern "C" { +#endif + +bufsize_t _ext_scan_at(bufsize_t (*scanner)(const unsigned char *), + unsigned char *ptr, int len, bufsize_t offset); +bufsize_t _scan_table_start(const unsigned char *p); +bufsize_t _scan_table_cell(const unsigned char *p); +bufsize_t _scan_table_cell_end(const unsigned char *p); +bufsize_t _scan_table_row_end(const unsigned char *p); +bufsize_t _scan_tasklist(const unsigned char *p); + +#define scan_table_start(c, l, n) _ext_scan_at(&_scan_table_start, c, l, n) +#define scan_table_cell(c, l, n) _ext_scan_at(&_scan_table_cell, c, l, n) +#define scan_table_cell_end(c, l, n) _ext_scan_at(&_scan_table_cell_end, c, l, n) +#define scan_table_row_end(c, l, n) _ext_scan_at(&_scan_table_row_end, c, l, n) +#define scan_tasklist(c, l, n) _ext_scan_at(&_scan_tasklist, c, l, n) + +#ifdef __cplusplus +} +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/cmark-gfm-core-extensions.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/cmark-gfm-core-extensions.h new file mode 100644 index 0000000000..de652feb9f --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/cmark-gfm-core-extensions.h @@ -0,0 +1,87 @@ +#ifndef CMARK_GFM_CORE_EXTENSIONS_H +#define CMARK_GFM_CORE_EXTENSIONS_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include "cmark-gfm-extension_api.h" +#include "export.h" + +#include +#include + +CMARK_GFM_EXPORT +void cmark_gfm_core_extensions_ensure_registered(void); + +CMARK_GFM_EXPORT +uint16_t cmark_gfm_extensions_get_table_columns(cmark_node *node); + +/** Sets the number of columns for the table, returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_columns(cmark_node *node, uint16_t n_columns); + +CMARK_GFM_EXPORT +uint8_t *cmark_gfm_extensions_get_table_alignments(cmark_node *node); + +/** Sets the alignments for the table, returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_alignments(cmark_node *node, uint16_t ncols, uint8_t *alignments); + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_get_table_row_is_header(cmark_node *node); + +/** Sets the column span for the table cell, returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_cell_colspan(cmark_node *node, unsigned colspan); + +/** Sets the row span for the table cell, returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_cell_rowspan(cmark_node *node, unsigned rowspan); + +/** + Gets the column span for the table cell, returning \c UINT_MAX on error. + + A value of 0 indicates that the cell is a "filler" cell, intended to be overlapped with a previous + cell with a span > 1. + + Column span is only parsed when \c CMARK_OPT_TABLE_SPANS is set. + */ +CMARK_GFM_EXPORT +unsigned cmark_gfm_extensions_get_table_cell_colspan(cmark_node *node); + +/** + Gets the row span for the table cell, returning \c UINT_MAX on error. + + A value of 0 indicates that the cell is a "filler" cell, intended to be overlapped with a previous + cell with a span > 1. + + Row span is only parsed when \c CMARK_OPT_TABLE_SPANS is set. + */ +CMARK_GFM_EXPORT +unsigned cmark_gfm_extensions_get_table_cell_rowspan(cmark_node *node); + +/** Sets whether the node is a table header row, returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_row_is_header(cmark_node *node, int is_header); + +CMARK_GFM_EXPORT +bool cmark_gfm_extensions_get_tasklist_item_checked(cmark_node *node); +/* For backwards compatibility */ +#define cmark_gfm_extensions_tasklist_is_checked cmark_gfm_extensions_get_tasklist_item_checked + +/** Sets whether a tasklist item is "checked" (completed), returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_tasklist_item_checked(cmark_node *node, bool is_checked); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/module.modulemap b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/module.modulemap new file mode 100644 index 0000000000..7bb1bd79ac --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/include/module.modulemap @@ -0,0 +1,5 @@ + +module cmark_gfm_extensions { + header "cmark-gfm-core-extensions.h" +} + diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.c new file mode 100644 index 0000000000..436e515f01 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.c @@ -0,0 +1,169 @@ +#include + +#include "strikethrough.h" +#include +#include + +cmark_node_type CMARK_NODE_STRIKETHROUGH; + +static cmark_node *match(cmark_syntax_extension *self, cmark_parser *parser, + cmark_node *parent, unsigned char character, + cmark_inline_parser *inline_parser) { + cmark_node *res = NULL; + int left_flanking, right_flanking, punct_before, punct_after, delims; + char buffer[101]; + + if (character != '~') + return NULL; + + delims = cmark_inline_parser_scan_delimiters( + inline_parser, sizeof(buffer) - 1, '~', + &left_flanking, + &right_flanking, &punct_before, &punct_after); + + memset(buffer, '~', delims); + buffer[delims] = 0; + + res = cmark_node_new_with_mem(CMARK_NODE_TEXT, parser->mem); + cmark_node_set_literal(res, buffer); + res->start_line = res->end_line = cmark_inline_parser_get_line(inline_parser); + res->start_column = cmark_inline_parser_get_column(inline_parser) - delims; + + if ((left_flanking || right_flanking) && + (delims == 2 || (!(parser->options & CMARK_OPT_STRIKETHROUGH_DOUBLE_TILDE) && delims == 1))) { + cmark_inline_parser_push_delimiter(inline_parser, character, left_flanking, + right_flanking, res); + } + + return res; +} + +static delimiter *insert(cmark_syntax_extension *self, cmark_parser *parser, + cmark_inline_parser *inline_parser, delimiter *opener, + delimiter *closer) { + cmark_node *strikethrough; + cmark_node *tmp, *next; + delimiter *delim, *tmp_delim; + delimiter *res = closer->next; + + strikethrough = opener->inl_text; + + if (opener->inl_text->as.literal.len != closer->inl_text->as.literal.len) + goto done; + + if (!cmark_node_set_type(strikethrough, CMARK_NODE_STRIKETHROUGH)) + goto done; + + cmark_node_set_syntax_extension(strikethrough, self); + + tmp = cmark_node_next(opener->inl_text); + + while (tmp) { + if (tmp == closer->inl_text) + break; + next = cmark_node_next(tmp); + cmark_node_append_child(strikethrough, tmp); + tmp = next; + } + + strikethrough->end_column = closer->inl_text->start_column + closer->inl_text->as.literal.len - 1; + cmark_node_free(closer->inl_text); + +done: + delim = closer; + while (delim != NULL && delim != opener) { + tmp_delim = delim->previous; + cmark_inline_parser_remove_delimiter(inline_parser, delim); + delim = tmp_delim; + } + + cmark_inline_parser_remove_delimiter(inline_parser, opener); + + return res; +} + +static const char *get_type_string(cmark_syntax_extension *extension, + cmark_node *node) { + return node->type == CMARK_NODE_STRIKETHROUGH ? "strikethrough" : ""; +} + +static int can_contain(cmark_syntax_extension *extension, cmark_node *node, + cmark_node_type child_type) { + if (node->type != CMARK_NODE_STRIKETHROUGH) + return false; + + return CMARK_NODE_TYPE_INLINE_P(child_type); +} + +static void commonmark_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + renderer->out(renderer, node, "~~", false, LITERAL); +} + +static void latex_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + // requires \usepackage{ulem} + bool entering = (ev_type == CMARK_EVENT_ENTER); + if (entering) { + renderer->out(renderer, node, "\\sout{", false, LITERAL); + } else { + renderer->out(renderer, node, "}", false, LITERAL); + } +} + +static void man_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + if (entering) { + renderer->cr(renderer); + renderer->out(renderer, node, ".ST \"", false, LITERAL); + } else { + renderer->out(renderer, node, "\"", false, LITERAL); + renderer->cr(renderer); + } +} + +static void html_render(cmark_syntax_extension *extension, + cmark_html_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + if (entering) { + cmark_strbuf_puts(renderer->html, ""); + } else { + cmark_strbuf_puts(renderer->html, ""); + } +} + +static void plaintext_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + renderer->out(renderer, node, "~", false, LITERAL); +} + +cmark_syntax_extension *create_strikethrough_extension(void) { + cmark_syntax_extension *ext = cmark_syntax_extension_new("strikethrough"); + cmark_llist *special_chars = NULL; + + cmark_syntax_extension_set_get_type_string_func(ext, get_type_string); + cmark_syntax_extension_set_can_contain_func(ext, can_contain); + cmark_syntax_extension_set_commonmark_render_func(ext, commonmark_render); + cmark_syntax_extension_set_latex_render_func(ext, latex_render); + cmark_syntax_extension_set_man_render_func(ext, man_render); + cmark_syntax_extension_set_html_render_func(ext, html_render); + cmark_syntax_extension_set_plaintext_render_func(ext, plaintext_render); + CMARK_NODE_STRIKETHROUGH = cmark_syntax_extension_add_node(1); + + cmark_syntax_extension_set_match_inline_func(ext, match); + cmark_syntax_extension_set_inline_from_delim_func(ext, insert); + + cmark_mem *mem = cmark_get_default_mem_allocator(); + special_chars = cmark_llist_append(mem, special_chars, (void *)'~'); + cmark_syntax_extension_set_special_inline_chars(ext, special_chars); + + cmark_syntax_extension_set_emphasis(ext, 1); + + return ext; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.h new file mode 100644 index 0000000000..a52a2b4ac8 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/strikethrough.h @@ -0,0 +1,9 @@ +#ifndef CMARK_GFM_STRIKETHROUGH_H +#define CMARK_GFM_STRIKETHROUGH_H + +#include "cmark-gfm-core-extensions.h" + +extern cmark_node_type CMARK_NODE_STRIKETHROUGH; +cmark_syntax_extension *create_strikethrough_extension(void); + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.c new file mode 100644 index 0000000000..c84f863e7a --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.c @@ -0,0 +1,1155 @@ +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "ext_scanners.h" +#include "strikethrough.h" +#include "table.h" +#include "cmark-gfm-core-extensions.h" + +// Limit to prevent a malicious input from causing a denial of service. +#define MAX_AUTOCOMPLETED_CELLS 0x80000 + +// Custom node flag, initialized in `create_table_extension`. +static cmark_node_internal_flags CMARK_NODE__TABLE_VISITED; + +cmark_node_type CMARK_NODE_TABLE, CMARK_NODE_TABLE_ROW, + CMARK_NODE_TABLE_CELL; + +typedef struct { + unsigned colspan, rowspan; + int cell_index; +} node_cell_data; + +typedef struct { + cmark_strbuf *buf; + int start_offset, end_offset, internal_offset; + node_cell_data *cell_data; +} node_cell; + +typedef struct { + uint16_t n_columns; + int paragraph_offset; + node_cell *cells; +} table_row; + +typedef struct { + uint16_t n_columns; + uint8_t *alignments; + int n_rows; + int n_nonempty_cells; +} node_table; + +typedef struct { + bool is_header; +} node_table_row; + +static void free_table_cell(cmark_mem *mem, node_cell *cell) { + cmark_strbuf_free((cmark_strbuf *)cell->buf); + mem->free(cell->buf); + if (cell->cell_data) + mem->free(cell->cell_data); +} + +static void free_row_cells(cmark_mem *mem, table_row *row) { + while (row->n_columns > 0) { + free_table_cell(mem, &row->cells[--row->n_columns]); + } + mem->free(row->cells); + row->cells = NULL; +} + +static void free_table_row(cmark_mem *mem, table_row *row) { + if (!row) + return; + + free_row_cells(mem, row); + mem->free(row); +} + +static void free_node_table(cmark_mem *mem, void *ptr) { + node_table *t = (node_table *)ptr; + mem->free(t->alignments); + mem->free(t); +} + +static void free_node_table_row(cmark_mem *mem, void *ptr) { + mem->free(ptr); +} + +static void free_node_table_cell_data(cmark_mem *mem, void *data) { + mem->free(data); +} + +static int get_n_table_columns(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE) + return -1; + + return (int)((node_table *)node->as.opaque)->n_columns; +} + +static int set_n_table_columns(cmark_node *node, uint16_t n_columns) { + if (!node || node->type != CMARK_NODE_TABLE) + return 0; + + ((node_table *)node->as.opaque)->n_columns = n_columns; + return 1; +} + +// Increment the number of rows in the table. Also update n_nonempty_cells, +// which keeps track of the number of cells which were parsed from the +// input file. (If one of the rows is too short, then the trailing cells +// are autocompleted. Autocompleted cells are not counted in n_nonempty_cells.) +// The purpose of this is to prevent a malicious input from generating a very +// large number of autocompleted cells, which could cause a denial of service +// vulnerability. +static int incr_table_row_count(cmark_node *node, int i) { + if (!node || node->type != CMARK_NODE_TABLE) { + return 0; + } + + ((node_table *)node->as.opaque)->n_rows++; + ((node_table *)node->as.opaque)->n_nonempty_cells += i; + return 1; +} + +// Calculate the number of autocompleted cells. +static int get_n_autocompleted_cells(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE) { + return 0; + } + + const node_table *nt = (node_table *)node->as.opaque; + return (nt->n_columns * nt->n_rows) - nt->n_nonempty_cells; +} + +static uint8_t *get_table_alignments(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE) + return 0; + + return ((node_table *)node->as.opaque)->alignments; +} + +static int set_table_alignments(cmark_node *node, uint8_t *alignments) { + if (!node || node->type != CMARK_NODE_TABLE) + return 0; + + ((node_table *)node->as.opaque)->alignments = alignments; + return 1; +} + +static uint8_t get_cell_alignment(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return 0; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 0; + const uint8_t *alignments = get_table_alignments(node->parent->parent); + int i = data->cell_index; + return alignments[i]; +} + +static int set_cell_index(cmark_node *node, int i) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return 0; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 0; + data->cell_index = i; + return 1; +} + +static unsigned get_cell_colspan(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return UINT_MAX; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 1; // default to 1 in case the cell was created as filler on an incomplete row + return data->colspan; +} + +static unsigned get_cell_rowspan(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return UINT_MAX; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 1; // default to 1 in case the cell was created as filler on an incomplete row + return data->rowspan; +} + +static int set_cell_colspan(cmark_node *node, unsigned colspan) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return 0; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 0; + data->colspan = colspan; + return 1; +} + +static int set_cell_rowspan(cmark_node *node, unsigned rowspan) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return 0; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 0; + data->rowspan = rowspan; + return 1; +} + +static int increment_cell_rowspan(cmark_node *node) { + if (!node || node->type != CMARK_NODE_TABLE_CELL) + return 0; + + node_cell_data *data = (node_cell_data *)node->as.opaque; + if (!data) + return 0; + ++data->rowspan; + return 1; +} + +static cmark_strbuf *unescape_pipes(cmark_mem *mem, unsigned char *string, bufsize_t len) +{ + cmark_strbuf *res = (cmark_strbuf *)mem->calloc(1, sizeof(cmark_strbuf)); + bufsize_t r, w; + + cmark_strbuf_init(mem, res, len + 1); + cmark_strbuf_put(res, string, len); + cmark_strbuf_putc(res, '\0'); + + for (r = 0, w = 0; r < len; ++r) { + if (res->ptr[r] == '\\' && res->ptr[r + 1] == '|') + r++; + + res->ptr[w++] = res->ptr[r]; + } + + cmark_strbuf_truncate(res, w); + + return res; +} + +// Adds a new cell to the end of the row. A pointer to the new cell is returned +// for the caller to initialize. +static node_cell* append_row_cell(cmark_mem *mem, table_row *row) { + const uint32_t n_columns = row->n_columns + 1; + // realloc when n_columns is a power of 2 + if ((n_columns & (n_columns-1)) == 0) { + // make sure we never wrap row->n_columns + // offset will != len and our exit will clean up as intended + if (n_columns > UINT16_MAX) { + return NULL; + } + // Use realloc to double the size of the buffer. + row->cells = (node_cell *)mem->realloc(row->cells, (2 * n_columns - 1) * sizeof(node_cell)); + } + row->n_columns = (uint16_t)n_columns; + return &row->cells[n_columns-1]; +} + +static table_row *row_from_string(cmark_syntax_extension *self, + cmark_parser *parser, unsigned char *string, + int len) { + // Parses a single table row. It has the following form: + // `delim? table_cell (delim table_cell)* delim? newline` + // Note that cells are allowed to be empty. + // + // From the GitHub-flavored Markdown specification: + // + // > Each row consists of cells containing arbitrary text, in which inlines + // > are parsed, separated by pipes (|). A leading and trailing pipe is also + // > recommended for clarity of reading, and if there’s otherwise parsing + // > ambiguity. + + table_row *row = NULL; + bufsize_t cell_matched = 1, pipe_matched = 1, offset; + int expect_more_cells = 1; + int row_end_offset = 0; + int int_overflow_abort = 0; + + row = (table_row *)parser->mem->calloc(1, sizeof(table_row)); + row->n_columns = 0; + row->cells = NULL; + + // Scan past the (optional) leading pipe. + offset = scan_table_cell_end(string, len, 0); + + // Parse the cells of the row. Stop if we reach the end of the input, or if we + // cannot detect any more cells. + while (offset < len && expect_more_cells) { + cell_matched = scan_table_cell(string, len, offset); + pipe_matched = scan_table_cell_end(string, len, offset + cell_matched); + + if (cell_matched || pipe_matched) { + // We are guaranteed to have a cell, since (1) either we found some + // content and cell_matched, or (2) we found an empty cell followed by a + // pipe. + cmark_strbuf *cell_buf = unescape_pipes(parser->mem, string + offset, + cell_matched); + cmark_strbuf_trim(cell_buf); + + node_cell *cell = append_row_cell(parser->mem, row); + if (!cell) { + int_overflow_abort = 1; + cmark_strbuf_free(cell_buf); + parser->mem->free(cell_buf); + break; + } + cell->buf = cell_buf; + cell->start_offset = offset; + if (cell_matched > 0) + cell->end_offset = offset + cell_matched - 1; + else + cell->end_offset = offset; + cell->internal_offset = 0; + + while (cell->start_offset > row->paragraph_offset && string[cell->start_offset - 1] != '|') { + --cell->start_offset; + ++cell->internal_offset; + } + cell->cell_data = (node_cell_data *)parser->mem->calloc(1, sizeof(node_cell_data)); + + if (parser->options & CMARK_OPT_TABLE_SPANS) { + // Check for a column-spanning cell + if (row->n_columns > 0 && cmark_strbuf_len(cell->buf) == 0 && cell->start_offset == cell->end_offset) { + cell->cell_data->colspan = 0; + + // find the last cell that isn't part of a colspan, and increment that colspan + node_cell *colspan_cell = NULL; + for (uint16_t i = 0; i < row->n_columns; i++) { + node_cell *this_cell = &row->cells[i]; + if (this_cell->cell_data->colspan > 0) + colspan_cell = this_cell; + } + if (colspan_cell) + ++colspan_cell->cell_data->colspan; + } else { + cell->cell_data->colspan = 1; + } + + // Check this cell for a row-span marker, so that the spanning cell's rowspan can be incremented later. + cell->cell_data->rowspan = 1; + if (parser->options & CMARK_OPT_TABLE_ROWSPAN_DITTO) { + if (strcmp(cmark_strbuf_cstr(cell->buf), "\"") == 0) { + cell->cell_data->rowspan = 0; + } + } else { + if (strcmp(cmark_strbuf_cstr(cell->buf), "^") == 0) { + cell->cell_data->rowspan = 0; + } + } + } else { + cell->cell_data->colspan = 1; + cell->cell_data->rowspan = 1; + } + + // make sure we never wrap row->n_columns + // offset will != len and our exit will clean up as intended + if (row->n_columns == UINT16_MAX) { + int_overflow_abort = 1; + break; + } + } + + offset += cell_matched + pipe_matched; + + if (pipe_matched) { + expect_more_cells = 1; + } else { + // We've scanned the last cell. Check if we have reached the end of the row + row_end_offset = scan_table_row_end(string, len, offset); + offset += row_end_offset; + + // If the end of the row is not the end of the input, + // the row is not a real row but potentially part of the paragraph + // preceding the table. + if (row_end_offset && offset != len) { + row->paragraph_offset = offset; + + free_row_cells(parser->mem, row); + + // Scan past the (optional) leading pipe. + offset += scan_table_cell_end(string, len, offset); + + expect_more_cells = 1; + } else { + expect_more_cells = 0; + } + } + } + + if (offset != len || row->n_columns == 0 || int_overflow_abort) { + free_table_row(parser->mem, row); + row = NULL; + } + + return row; +} + +static void try_inserting_table_header_paragraph(cmark_parser *parser, + cmark_node *parent_container, + unsigned char *parent_string, + int paragraph_offset) { + cmark_node *paragraph; + cmark_strbuf *paragraph_content; + + paragraph = cmark_node_new_with_mem(CMARK_NODE_PARAGRAPH, parser->mem); + + paragraph_content = unescape_pipes(parser->mem, parent_string, paragraph_offset); + cmark_strbuf_trim(paragraph_content); + cmark_node_set_string_content(paragraph, (char *) paragraph_content->ptr); + cmark_strbuf_free(paragraph_content); + parser->mem->free(paragraph_content); + + if (!cmark_node_insert_before(parent_container, paragraph)) { + parser->mem->free(paragraph); + } +} + +static cmark_node *try_opening_table_header(cmark_syntax_extension *self, + cmark_parser *parser, + cmark_node *parent_container, + unsigned char *input, int len) { + cmark_node *table_header; + table_row *header_row = NULL; + table_row *delimiter_row = NULL; + node_table_row *ntr; + const char *parent_string; + uint16_t i; + + if (parent_container->flags & CMARK_NODE__TABLE_VISITED) { + return parent_container; + } + + if (!scan_table_start(input, len, cmark_parser_get_first_nonspace(parser))) { + return parent_container; + } + + // Since scan_table_start was successful, we must have a delimiter row. + delimiter_row = row_from_string( + self, parser, input + cmark_parser_get_first_nonspace(parser), + len - cmark_parser_get_first_nonspace(parser)); + // assert may be optimized out, don't rely on it for security boundaries + if (!delimiter_row) { + return parent_container; + } + + assert(delimiter_row); + + cmark_arena_push(); + + // Check for a matching header row. We call `row_from_string` with the entire + // (potentially long) parent container as input, but this should be safe since + // `row_from_string` bails out early if it does not find a row. + parent_string = cmark_node_get_string_content(parent_container); + header_row = row_from_string(self, parser, (unsigned char *)parent_string, + (int)strlen(parent_string)); + if (!header_row || header_row->n_columns != delimiter_row->n_columns) { + free_table_row(parser->mem, delimiter_row); + free_table_row(parser->mem, header_row); + cmark_arena_pop(); + parent_container->flags |= CMARK_NODE__TABLE_VISITED; + return parent_container; + } + + if (cmark_arena_pop()) { + delimiter_row = row_from_string( + self, parser, input + cmark_parser_get_first_nonspace(parser), + len - cmark_parser_get_first_nonspace(parser)); + header_row = row_from_string(self, parser, (unsigned char *)parent_string, + (int)strlen(parent_string)); + // row_from_string can return NULL, add additional check to ensure n_columns match + if (!delimiter_row || !header_row || header_row->n_columns != delimiter_row->n_columns) { + free_table_row(parser->mem, delimiter_row); + free_table_row(parser->mem, header_row); + return parent_container; + } + } + + if (!cmark_node_set_type(parent_container, CMARK_NODE_TABLE)) { + free_table_row(parser->mem, header_row); + free_table_row(parser->mem, delimiter_row); + return parent_container; + } + + if (header_row->paragraph_offset) { + try_inserting_table_header_paragraph(parser, parent_container, (unsigned char *)parent_string, + header_row->paragraph_offset); + } + + cmark_node_set_syntax_extension(parent_container, self); + parent_container->as.opaque = parser->mem->calloc(1, sizeof(node_table)); + set_n_table_columns(parent_container, header_row->n_columns); + + // allocate alignments based on delimiter_row->n_columns + // since we populate the alignments array based on delimiter_row->cells + uint8_t *alignments = + (uint8_t *)parser->mem->calloc(delimiter_row->n_columns, sizeof(uint8_t)); + for (i = 0; i < delimiter_row->n_columns; ++i) { + node_cell *node = &delimiter_row->cells[i]; + bool left = node->buf->ptr[0] == ':', right = node->buf->ptr[node->buf->size - 1] == ':'; + + if (left && right) + alignments[i] = 'c'; + else if (left) + alignments[i] = 'l'; + else if (right) + alignments[i] = 'r'; + } + set_table_alignments(parent_container, alignments); + + table_header = + cmark_parser_add_child(parser, parent_container, CMARK_NODE_TABLE_ROW, + parent_container->start_column); + cmark_node_set_syntax_extension(table_header, self); + table_header->end_column = parent_container->start_column + (int)strlen(parent_string) - 2; + table_header->start_line = table_header->end_line = parent_container->start_line; + + table_header->as.opaque = ntr = (node_table_row *)parser->mem->calloc(1, sizeof(node_table_row)); + ntr->is_header = true; + + for (i = 0; i < header_row->n_columns; ++i) { + node_cell *cell = &header_row->cells[i]; + cmark_node *header_cell = cmark_parser_add_child(parser, table_header, + CMARK_NODE_TABLE_CELL, parent_container->start_column + cell->start_offset); + header_cell->start_line = header_cell->end_line = parent_container->start_line; + header_cell->internal_offset = cell->internal_offset; + header_cell->end_column = parent_container->start_column + cell->end_offset; + header_cell->as.opaque = cell->cell_data; + cell->cell_data = NULL; + cmark_node_set_string_content(header_cell, (char *) cell->buf->ptr); + cmark_node_set_syntax_extension(header_cell, self); + set_cell_index(header_cell, i); + } + + incr_table_row_count(parent_container, i); + + cmark_parser_advance_offset( + parser, (char *)input, + (int)strlen((char *)input) - 1 - cmark_parser_get_offset(parser), false); + + free_table_row(parser->mem, header_row); + free_table_row(parser->mem, delimiter_row); + return parent_container; +} + +static cmark_node *try_opening_table_row(cmark_syntax_extension *self, + cmark_parser *parser, + cmark_node *parent_container, + unsigned char *input, int len) { + cmark_node *table_row_block; + table_row *row; + + if (cmark_parser_is_blank(parser)) + return NULL; + + if (get_n_autocompleted_cells(parent_container) > MAX_AUTOCOMPLETED_CELLS) { + return NULL; + } + + table_row_block = + cmark_parser_add_child(parser, parent_container, CMARK_NODE_TABLE_ROW, + parent_container->start_column); + cmark_node_set_syntax_extension(table_row_block, self); + table_row_block->end_column = parent_container->end_column; + table_row_block->as.opaque = parser->mem->calloc(1, sizeof(node_table_row)); + + row = row_from_string(self, parser, input + cmark_parser_get_first_nonspace(parser), + len - cmark_parser_get_first_nonspace(parser)); + + if (!row) { + // clean up the dangling node + cmark_node_free(table_row_block); + return NULL; + } + + int table_columns = get_n_table_columns(parent_container); + + if (parser->options & CMARK_OPT_TABLE_SPANS) { + // Check the new row for rowspan markers and increment the rowspan of the cell it's merging with + int i; + + for (i = 0; i < row->n_columns && i < table_columns; ++i) { + node_cell *this_cell = &row->cells[i]; + if (this_cell->cell_data->rowspan == 0) { + // Rowspan marker. Scan up through previous rows and increment the spanning cell's rowspan + cmark_node *check_row = table_row_block->prev; + cmark_node *spanning_cell = NULL; + while (check_row && !spanning_cell) { + cmark_node *check_cell = cmark_node_nth_child(check_row, i); + unsigned check_rowspan = get_cell_rowspan(check_cell); + if (check_rowspan == 0) { + check_row = check_row->prev; + } else { + spanning_cell = check_cell; + } + } + if (spanning_cell) { + increment_cell_rowspan(spanning_cell); + // The rowspan marker cell still has the ^/" marker, clear it out so it won't display + cmark_strbuf_truncate(this_cell->buf, 0); + } + } + } + } + + { + int i; + + for (i = 0; i < row->n_columns && i < table_columns; ++i) { + node_cell *cell = &row->cells[i]; + cmark_node *node = cmark_parser_add_child(parser, table_row_block, + CMARK_NODE_TABLE_CELL, parent_container->start_column + cell->start_offset); + node->internal_offset = cell->internal_offset; + node->end_column = parent_container->start_column + cell->end_offset; + node->as.opaque = cell->cell_data; + cell->cell_data = NULL; + cmark_node_set_string_content(node, (char *) cell->buf->ptr); + cmark_node_set_syntax_extension(node, self); + set_cell_index(node, i); + } + + incr_table_row_count(parent_container, i); + + for (; i < table_columns; ++i) { + cmark_node *node = cmark_parser_add_child( + parser, table_row_block, CMARK_NODE_TABLE_CELL, 0); + cmark_node_set_syntax_extension(node, self); + set_cell_index(node, i); + } + } + + free_table_row(parser->mem, row); + + cmark_parser_advance_offset(parser, (char *)input, + len - 1 - cmark_parser_get_offset(parser), false); + + return table_row_block; +} + +static cmark_node *try_opening_table_block(cmark_syntax_extension *self, + int indented, cmark_parser *parser, + cmark_node *parent_container, + unsigned char *input, int len) { + cmark_node_type parent_type = cmark_node_get_type(parent_container); + + if (!indented && parent_type == CMARK_NODE_PARAGRAPH) { + return try_opening_table_header(self, parser, parent_container, input, len); + } else if (!indented && parent_type == CMARK_NODE_TABLE) { + return try_opening_table_row(self, parser, parent_container, input, len); + } + + return NULL; +} + +static int matches(cmark_syntax_extension *self, cmark_parser *parser, + unsigned char *input, int len, + cmark_node *parent_container) { + int res = 0; + + if (cmark_node_get_type(parent_container) == CMARK_NODE_TABLE) { + cmark_arena_push(); + table_row *new_row = row_from_string( + self, parser, input + cmark_parser_get_first_nonspace(parser), + len - cmark_parser_get_first_nonspace(parser)); + if (new_row && new_row->n_columns) + res = 1; + free_table_row(parser->mem, new_row); + cmark_arena_pop(); + } + + return res; +} + +static const char *get_type_string(cmark_syntax_extension *self, + cmark_node *node) { + if (node->type == CMARK_NODE_TABLE) { + return "table"; + } else if (node->type == CMARK_NODE_TABLE_ROW) { + if (((node_table_row *)node->as.opaque)->is_header) + return "table_header"; + else + return "table_row"; + } else if (node->type == CMARK_NODE_TABLE_CELL) { + return "table_cell"; + } + + return ""; +} + +static int can_contain(cmark_syntax_extension *extension, cmark_node *node, + cmark_node_type child_type) { + if (node->type == CMARK_NODE_TABLE) { + return child_type == CMARK_NODE_TABLE_ROW; + } else if (node->type == CMARK_NODE_TABLE_ROW) { + return child_type == CMARK_NODE_TABLE_CELL; + } else if (node->type == CMARK_NODE_TABLE_CELL) { + return child_type == CMARK_NODE_TEXT || child_type == CMARK_NODE_CODE || + child_type == CMARK_NODE_EMPH || child_type == CMARK_NODE_STRONG || + child_type == CMARK_NODE_LINK || child_type == CMARK_NODE_IMAGE || child_type == CMARK_NODE_ATTRIBUTE || + child_type == CMARK_NODE_STRIKETHROUGH || + child_type == CMARK_NODE_HTML_INLINE || + child_type == CMARK_NODE_FOOTNOTE_REFERENCE; + } + return false; +} + +static int contains_inlines(cmark_syntax_extension *extension, + cmark_node *node) { + return node->type == CMARK_NODE_TABLE_CELL; +} + +static void commonmark_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + + if (node->type == CMARK_NODE_TABLE) { + renderer->blankline(renderer); + } else if (node->type == CMARK_NODE_TABLE_ROW) { + if (entering) { + renderer->cr(renderer); + renderer->out(renderer, node, "|", false, LITERAL); + } + } else if (node->type == CMARK_NODE_TABLE_CELL) { + unsigned colspan = get_cell_colspan(node); + unsigned rowspan = get_cell_rowspan(node); + if (entering) { + if (colspan > 0) { + renderer->out(renderer, node, " ", false, LITERAL); + if (rowspan == 0) { + if (options & CMARK_OPT_TABLE_ROWSPAN_DITTO) { + renderer->out(renderer, node, "\"", false, LITERAL); + } else { + renderer->out(renderer, node, "^", false, LITERAL); + } + } + } + } else { + if (colspan > 0) { + renderer->out(renderer, node, " ", false, LITERAL); + } + renderer->out(renderer, node, "|", false, LITERAL); + if (((node_table_row *)node->parent->as.opaque)->is_header && + !node->next) { + int i; + uint8_t *alignments = get_table_alignments(node->parent->parent); + uint16_t n_cols = + ((node_table *)node->parent->parent->as.opaque)->n_columns; + renderer->cr(renderer); + renderer->out(renderer, node, "|", false, LITERAL); + for (i = 0; i < n_cols; i++) { + switch (alignments[i]) { + case 0: renderer->out(renderer, node, " --- |", false, LITERAL); break; + case 'l': renderer->out(renderer, node, " :-- |", false, LITERAL); break; + case 'c': renderer->out(renderer, node, " :-: |", false, LITERAL); break; + case 'r': renderer->out(renderer, node, " --: |", false, LITERAL); break; + } + } + renderer->cr(renderer); + } + } + } else { + assert(false); + } +} + +static void latex_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + + if (node->type == CMARK_NODE_TABLE) { + if (entering) { + int i; + uint16_t n_cols; + uint8_t *alignments = get_table_alignments(node); + + renderer->cr(renderer); + renderer->out(renderer, node, "\\begin{table}", false, LITERAL); + renderer->cr(renderer); + renderer->out(renderer, node, "\\begin{tabular}{", false, LITERAL); + + n_cols = ((node_table *)node->as.opaque)->n_columns; + for (i = 0; i < n_cols; i++) { + switch(alignments[i]) { + case 0: + case 'l': + renderer->out(renderer, node, "l", false, LITERAL); + break; + case 'c': + renderer->out(renderer, node, "c", false, LITERAL); + break; + case 'r': + renderer->out(renderer, node, "r", false, LITERAL); + break; + } + } + renderer->out(renderer, node, "}", false, LITERAL); + renderer->cr(renderer); + } else { + renderer->out(renderer, node, "\\end{tabular}", false, LITERAL); + renderer->cr(renderer); + renderer->out(renderer, node, "\\end{table}", false, LITERAL); + renderer->cr(renderer); + } + } else if (node->type == CMARK_NODE_TABLE_ROW) { + if (!entering) { + renderer->cr(renderer); + } + } else if (node->type == CMARK_NODE_TABLE_CELL) { + if (!entering) { + if (node->next) { + renderer->out(renderer, node, " & ", false, LITERAL); + } else { + renderer->out(renderer, node, " \\\\", false, LITERAL); + } + } + } else { + assert(false); + } +} + +static const char *xml_attr(cmark_syntax_extension *extension, + cmark_node *node) { + if (node->type == CMARK_NODE_TABLE_CELL) { + if (cmark_gfm_extensions_get_table_row_is_header(node->parent)) { + switch (get_cell_alignment(node)) { + case 'l': return " align=\"left\""; + case 'c': return " align=\"center\""; + case 'r': return " align=\"right\""; + } + } else { + unsigned colspan = get_cell_colspan(node); + unsigned rowspan = get_cell_rowspan(node); + // XXX: The extension API doesn't allow you to return a dynamic string without leaking it, so + // specific column- and row-span information isn't printed + if (colspan == 0) { + return " colspan_filler"; + } else if (rowspan == 0) { + return " rowspan_filler"; + } else if (colspan > 1 && rowspan > 1) { + return " colspan rowspan"; + } else if (colspan > 1) { + return " colspan"; + } else if (rowspan > 1) { + return " rowspan"; + } + } + } + + return NULL; +} + +static void man_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + + if (node->type == CMARK_NODE_TABLE) { + if (entering) { + int i; + uint16_t n_cols; + uint8_t *alignments = get_table_alignments(node); + + renderer->cr(renderer); + renderer->out(renderer, node, ".TS", false, LITERAL); + renderer->cr(renderer); + renderer->out(renderer, node, "tab(@);", false, LITERAL); + renderer->cr(renderer); + + n_cols = ((node_table *)node->as.opaque)->n_columns; + + for (i = 0; i < n_cols; i++) { + switch (alignments[i]) { + case 'l': + renderer->out(renderer, node, "l", false, LITERAL); + break; + case 0: + case 'c': + renderer->out(renderer, node, "c", false, LITERAL); + break; + case 'r': + renderer->out(renderer, node, "r", false, LITERAL); + break; + } + } + + if (n_cols) { + renderer->out(renderer, node, ".", false, LITERAL); + renderer->cr(renderer); + } + } else { + renderer->out(renderer, node, ".TE", false, LITERAL); + renderer->cr(renderer); + } + } else if (node->type == CMARK_NODE_TABLE_ROW) { + if (!entering) { + renderer->cr(renderer); + } + } else if (node->type == CMARK_NODE_TABLE_CELL) { + if (!entering && node->next) { + renderer->out(renderer, node, "@", false, LITERAL); + } + } else { + assert(false); + } +} + +static void html_table_add_align(cmark_strbuf* html, const char* align, int options) { + if (options & CMARK_OPT_TABLE_PREFER_STYLE_ATTRIBUTES) { + cmark_strbuf_puts(html, " style=\"text-align: "); + cmark_strbuf_puts(html, align); + cmark_strbuf_puts(html, "\""); + } else { + cmark_strbuf_puts(html, " align=\""); + cmark_strbuf_puts(html, align); + cmark_strbuf_puts(html, "\""); + } +} + +static void html_table_add_spans(cmark_strbuf *html, unsigned colspan, unsigned rowspan) { + if (colspan > 1) { + char n[32]; + snprintf(n, sizeof(n), "%d", colspan); + cmark_strbuf_puts(html, " colspan=\""); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, "\""); + } + if (rowspan > 1) { + char n[32]; + snprintf(n, sizeof(n), "%d", rowspan); + cmark_strbuf_puts(html, " rowspan=\""); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, "\""); + } +} + +struct html_table_state { + unsigned need_closing_table_body : 1; + unsigned in_table_header : 1; +}; + +static void html_render(cmark_syntax_extension *extension, + cmark_html_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + cmark_strbuf *html = renderer->html; + + // XXX: we just monopolise renderer->opaque. + struct html_table_state *table_state = + (struct html_table_state *)&renderer->opaque; + + if (node->type == CMARK_NODE_TABLE) { + if (entering) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "'); + table_state->need_closing_table_body = false; + } else { + if (table_state->need_closing_table_body) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, ""); + cmark_html_render_cr(html); + } + table_state->need_closing_table_body = false; + cmark_html_render_cr(html); + cmark_strbuf_puts(html, ""); + cmark_html_render_cr(html); + } + } else if (node->type == CMARK_NODE_TABLE_ROW) { + if (entering) { + cmark_html_render_cr(html); + if (((node_table_row *)node->as.opaque)->is_header) { + table_state->in_table_header = 1; + cmark_strbuf_puts(html, ""); + cmark_html_render_cr(html); + } else if (!table_state->need_closing_table_body) { + cmark_strbuf_puts(html, ""); + cmark_html_render_cr(html); + table_state->need_closing_table_body = 1; + } + cmark_strbuf_puts(html, "'); + } else { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, ""); + if (((node_table_row *)node->as.opaque)->is_header) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, ""); + table_state->in_table_header = false; + } + } + } else if (node->type == CMARK_NODE_TABLE_CELL) { + unsigned colspan = get_cell_colspan(node); + unsigned rowspan = get_cell_rowspan(node); + // A value of zero in either span means that this cell is a "filler" cell. Don't render those. + if (colspan > 0 && rowspan > 0) { + if (entering) { + cmark_html_render_cr(html); + if (table_state->in_table_header) { + cmark_strbuf_puts(html, "'); + } else { + if (table_state->in_table_header) { + cmark_strbuf_puts(html, ""); + } else { + cmark_strbuf_puts(html, ""); + } + } + } + } else { + assert(false); + } +} + +static void opaque_alloc(cmark_syntax_extension *self, cmark_mem *mem, cmark_node *node) { + if (node->type == CMARK_NODE_TABLE) { + node->as.opaque = mem->calloc(1, sizeof(node_table)); + } else if (node->type == CMARK_NODE_TABLE_ROW) { + node->as.opaque = mem->calloc(1, sizeof(node_table_row)); + } else if (node->type == CMARK_NODE_TABLE_CELL) { + node->as.opaque = mem->calloc(1, sizeof(node_cell_data)); + } +} + +static void opaque_free(cmark_syntax_extension *self, cmark_mem *mem, cmark_node *node) { + if (node->type == CMARK_NODE_TABLE) { + free_node_table(mem, node->as.opaque); + } else if (node->type == CMARK_NODE_TABLE_ROW) { + free_node_table_row(mem, node->as.opaque); + } else if (node->type == CMARK_NODE_TABLE_CELL) { + free_node_table_cell_data(mem, node->as.opaque); + } +} + +static int escape(cmark_syntax_extension *self, cmark_node *node, int c) { + return + node->type != CMARK_NODE_TABLE && + node->type != CMARK_NODE_TABLE_ROW && + node->type != CMARK_NODE_TABLE_CELL && + c == '|'; +} + +cmark_syntax_extension *create_table_extension(void) { + cmark_syntax_extension *self = cmark_syntax_extension_new("table"); + + cmark_register_node_flag(&CMARK_NODE__TABLE_VISITED); + cmark_syntax_extension_set_match_block_func(self, matches); + cmark_syntax_extension_set_open_block_func(self, try_opening_table_block); + cmark_syntax_extension_set_get_type_string_func(self, get_type_string); + cmark_syntax_extension_set_can_contain_func(self, can_contain); + cmark_syntax_extension_set_contains_inlines_func(self, contains_inlines); + cmark_syntax_extension_set_commonmark_render_func(self, commonmark_render); + cmark_syntax_extension_set_plaintext_render_func(self, commonmark_render); + cmark_syntax_extension_set_latex_render_func(self, latex_render); + cmark_syntax_extension_set_xml_attr_func(self, xml_attr); + cmark_syntax_extension_set_man_render_func(self, man_render); + cmark_syntax_extension_set_html_render_func(self, html_render); + cmark_syntax_extension_set_opaque_alloc_func(self, opaque_alloc); + cmark_syntax_extension_set_opaque_free_func(self, opaque_free); + cmark_syntax_extension_set_commonmark_escape_func(self, escape); + CMARK_NODE_TABLE = cmark_syntax_extension_add_node(0); + CMARK_NODE_TABLE_ROW = cmark_syntax_extension_add_node(0); + CMARK_NODE_TABLE_CELL = cmark_syntax_extension_add_node(0); + + return self; +} + +CMARK_GFM_EXPORT +uint16_t cmark_gfm_extensions_get_table_columns(cmark_node *node) { + if (node->type != CMARK_NODE_TABLE) + return 0; + + return ((node_table *)node->as.opaque)->n_columns; +} + +CMARK_GFM_EXPORT +uint8_t *cmark_gfm_extensions_get_table_alignments(cmark_node *node) { + if (node->type != CMARK_NODE_TABLE) + return 0; + + return ((node_table *)node->as.opaque)->alignments; +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_columns(cmark_node *node, uint16_t n_columns) { + return set_n_table_columns(node, n_columns); +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_alignments(cmark_node *node, uint16_t ncols, uint8_t *alignments) { + uint8_t *a = (uint8_t *)cmark_node_mem(node)->calloc(1, ncols); + memcpy(a, alignments, ncols); + return set_table_alignments(node, a); +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_get_table_row_is_header(cmark_node *node) +{ + if (!node || node->type != CMARK_NODE_TABLE_ROW) + return 0; + + return ((node_table_row *)node->as.opaque)->is_header; +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_row_is_header(cmark_node *node, int is_header) +{ + if (!node || node->type != CMARK_NODE_TABLE_ROW) + return 0; + + ((node_table_row *)node->as.opaque)->is_header = (is_header != 0); + return 1; +} + +CMARK_GFM_EXPORT +unsigned cmark_gfm_extensions_get_table_cell_colspan(cmark_node *node) +{ + return get_cell_colspan(node); +} + +CMARK_GFM_EXPORT +unsigned cmark_gfm_extensions_get_table_cell_rowspan(cmark_node *node) +{ + return get_cell_rowspan(node); +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_cell_colspan(cmark_node *node, unsigned colspan) +{ + return set_cell_colspan(node, colspan); +} + +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_table_cell_rowspan(cmark_node *node, unsigned rowspan) +{ + return set_cell_rowspan(node, rowspan); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.h new file mode 100644 index 0000000000..f6a0634f02 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/table.h @@ -0,0 +1,12 @@ +#ifndef CMARK_GFM_TABLE_H +#define CMARK_GFM_TABLE_H + +#include "cmark-gfm-core-extensions.h" + + +extern cmark_node_type CMARK_NODE_TABLE, CMARK_NODE_TABLE_ROW, + CMARK_NODE_TABLE_CELL; + +cmark_syntax_extension *create_table_extension(void); + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.c new file mode 100644 index 0000000000..262352e0c4 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.c @@ -0,0 +1,60 @@ +#include "tagfilter.h" +#include +#include + +static const char *blacklist[] = { + "title", "textarea", "style", "xmp", "iframe", + "noembed", "noframes", "script", "plaintext", NULL, +}; + +static int is_tag(const unsigned char *tag_data, size_t tag_size, + const char *tagname) { + size_t i; + + if (tag_size < 3 || tag_data[0] != '<') + return 0; + + i = 1; + + if (tag_data[i] == '/') { + i++; + } + + for (; i < tag_size; ++i, ++tagname) { + if (*tagname == 0) + break; + + if (tolower(tag_data[i]) != *tagname) + return 0; + } + + if (i == tag_size) + return 0; + + if (cmark_isspace(tag_data[i]) || tag_data[i] == '>') + return 1; + + if (tag_data[i] == '/' && tag_size >= i + 2 && tag_data[i + 1] == '>') + return 1; + + return 0; +} + +static int filter(cmark_syntax_extension *ext, const unsigned char *tag, + size_t tag_len) { + const char **it; + + for (it = blacklist; *it; ++it) { + if (is_tag(tag, tag_len, *it)) { + return 0; + } + } + + return 1; +} + +cmark_syntax_extension *create_tagfilter_extension(void) { + cmark_syntax_extension *ext = cmark_syntax_extension_new("tagfilter"); + cmark_syntax_extension_set_html_filter_func(ext, filter); + return ext; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.h new file mode 100644 index 0000000000..9a5f388d4e --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tagfilter.h @@ -0,0 +1,8 @@ +#ifndef CMARK_GFM_TAGFILTER_H +#define CMARK_GFM_TAGFILTER_H + +#include "cmark-gfm-core-extensions.h" + +cmark_syntax_extension *create_tagfilter_extension(void); + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.c new file mode 100644 index 0000000000..d6d9fe6646 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.c @@ -0,0 +1,160 @@ +#include + +#include "tasklist.h" +#include +#include +#include +#include "ext_scanners.h" + +typedef enum { + CMARK_TASKLIST_NOCHECKED, + CMARK_TASKLIST_CHECKED, +} cmark_tasklist_type; + +// Local constants +static const char *TYPE_STRING = "tasklist"; + +static const char *get_type_string(cmark_syntax_extension *extension, cmark_node *node) { + return TYPE_STRING; +} + + +// Return 1 if state was set, 0 otherwise +CMARK_GFM_EXPORT +int cmark_gfm_extensions_set_tasklist_item_checked(cmark_node *node, bool is_checked) { + // The node has to exist, and be an extension, and actually be the right type in order to get the value. + if (!node || !node->extension || strcmp(cmark_node_get_type_string(node), TYPE_STRING)) + return 0; + + node->as.list.checked = is_checked; + return 1; +} + +CMARK_GFM_EXPORT +bool cmark_gfm_extensions_get_tasklist_item_checked(cmark_node *node) { + if (!node || !node->extension || strcmp(cmark_node_get_type_string(node), TYPE_STRING)) + return false; + + if (node->as.list.checked) { + return true; + } + else { + return false; + } +} + +static bool parse_node_item_prefix(cmark_parser *parser, const char *input, + cmark_node *container) { + bool res = false; + + if (parser->indent >= + container->as.list.marker_offset + container->as.list.padding) { + cmark_parser_advance_offset(parser, input, container->as.list.marker_offset + + container->as.list.padding, + true); + res = true; + } else if (parser->blank && container->first_child != NULL) { + // if container->first_child is NULL, then the opening line + // of the list item was blank after the list marker; in this + // case, we are done with the list item. + cmark_parser_advance_offset(parser, input, parser->first_nonspace - parser->offset, + false); + res = true; + } + return res; +} + +static int matches(cmark_syntax_extension *self, cmark_parser *parser, + unsigned char *input, int len, + cmark_node *parent_container) { + return parse_node_item_prefix(parser, (const char*)input, parent_container); +} + +static int can_contain(cmark_syntax_extension *extension, cmark_node *node, + cmark_node_type child_type) { + return (node->type == CMARK_NODE_ITEM) ? 1 : 0; +} + +static cmark_node *open_tasklist_item(cmark_syntax_extension *self, + int indented, cmark_parser *parser, + cmark_node *parent_container, + unsigned char *input, int len) { + cmark_node_type node_type = cmark_node_get_type(parent_container); + if (node_type != CMARK_NODE_ITEM) { + return NULL; + } + + bufsize_t matched = scan_tasklist(input, len, 0); + if (!matched) { + return NULL; + } + + cmark_node_set_syntax_extension(parent_container, self); + cmark_parser_advance_offset(parser, (char *)input, 3, false); + + // Either an upper or lower case X means the task is completed. + parent_container->as.list.checked = (strstr((char*)input, "[x]") || strstr((char*)input, "[X]")); + + return NULL; +} + +static void commonmark_render(cmark_syntax_extension *extension, + cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + if (entering) { + renderer->cr(renderer); + if (node->as.list.checked) { + renderer->out(renderer, node, "- [x] ", false, LITERAL); + } else { + renderer->out(renderer, node, "- [ ] ", false, LITERAL); + } + cmark_strbuf_puts(renderer->prefix, " "); + } else { + cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 2); + renderer->cr(renderer); + } +} + +static void html_render(cmark_syntax_extension *extension, + cmark_html_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + bool entering = (ev_type == CMARK_EVENT_ENTER); + if (entering) { + cmark_html_render_cr(renderer->html); + cmark_strbuf_puts(renderer->html, "html, options); + cmark_strbuf_putc(renderer->html, '>'); + if (node->as.list.checked) { + cmark_strbuf_puts(renderer->html, " "); + } else { + cmark_strbuf_puts(renderer->html, " "); + } + } else { + cmark_strbuf_puts(renderer->html, "\n"); + } +} + +static const char *xml_attr(cmark_syntax_extension *extension, + cmark_node *node) { + if (node->as.list.checked) { + return " completed=\"true\""; + } else { + return " completed=\"false\""; + } +} + +cmark_syntax_extension *create_tasklist_extension(void) { + cmark_syntax_extension *ext = cmark_syntax_extension_new("tasklist"); + + cmark_syntax_extension_set_match_block_func(ext, matches); + cmark_syntax_extension_set_get_type_string_func(ext, get_type_string); + cmark_syntax_extension_set_open_block_func(ext, open_tasklist_item); + cmark_syntax_extension_set_can_contain_func(ext, can_contain); + cmark_syntax_extension_set_commonmark_render_func(ext, commonmark_render); + cmark_syntax_extension_set_plaintext_render_func(ext, commonmark_render); + cmark_syntax_extension_set_html_render_func(ext, html_render); + cmark_syntax_extension_set_xml_attr_func(ext, xml_attr); + + return ext; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.h new file mode 100644 index 0000000000..26e9d96d25 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/extensions/tasklist.h @@ -0,0 +1,8 @@ +#ifndef TASKLIST_H +#define TASKLIST_H + +#include "cmark-gfm-core-extensions.h" + +cmark_syntax_extension *create_tasklist_extension(void); + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/arena.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/arena.c new file mode 100644 index 0000000000..86bf5b749b --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/arena.c @@ -0,0 +1,123 @@ +#include +#include +#include +#include "cmark-gfm.h" +#include "cmark-gfm-extension_api.h" +#include "mutex.h" + +CMARK_DEFINE_LOCK(arena) + +static struct arena_chunk { + size_t sz, used; + uint8_t push_point; + void *ptr; + struct arena_chunk *prev; +} *A = NULL; + +static struct arena_chunk *alloc_arena_chunk(size_t sz, struct arena_chunk *prev) { + struct arena_chunk *c = (struct arena_chunk *)calloc(1, sizeof(*c)); + if (!c) + abort(); + c->sz = sz; + c->ptr = calloc(1, sz); + if (!c->ptr) + abort(); + c->prev = prev; + return c; +} + +void cmark_arena_push(void) { + CMARK_INITIALIZE_AND_LOCK(arena); + if (A) { + A->push_point = 1; + A = alloc_arena_chunk(10240, A); + } + CMARK_UNLOCK(arena); +} + +int cmark_arena_pop(void) { + int ret = 1; + CMARK_INITIALIZE_AND_LOCK(arena); + if (!A) + ret = 0; + else { + while (A && !A->push_point) { + free(A->ptr); + struct arena_chunk *n = A->prev; + free(A); + A = n; + } + if (A) + A->push_point = 0; + } + CMARK_UNLOCK(arena); + return ret; +} + +static void init_arena(void) { + CMARK_INITIALIZE_AND_LOCK(arena); + A = alloc_arena_chunk(4 * 1048576, NULL); + CMARK_UNLOCK(arena); +} + +void cmark_arena_reset(void) { + CMARK_INITIALIZE_AND_LOCK(arena); + while (A) { + free(A->ptr); + struct arena_chunk *n = A->prev; + free(A); + A = n; + } + CMARK_UNLOCK(arena); +} + +static void *arena_calloc(size_t nmem, size_t size) { + if (!A) + init_arena(); + + size_t sz = nmem * size + sizeof(size_t); + + // Round allocation sizes to largest integer size to + // ensure returned memory is correctly aligned + const size_t align = sizeof(size_t) - 1; + sz = (sz + align) & ~align; + + CMARK_INITIALIZE_AND_LOCK(arena); + + struct arena_chunk *chunk; + if (sz > A->sz) { + A->prev = chunk = alloc_arena_chunk(sz, A->prev); + } else if (sz > A->sz - A->used) { + A = chunk = alloc_arena_chunk(A->sz + A->sz / 2, A); + } else { + chunk = A; + } + void *ptr = (uint8_t *) chunk->ptr + chunk->used; + chunk->used += sz; + *((size_t *) ptr) = sz - sizeof(size_t); + + CMARK_UNLOCK(arena); + + return (uint8_t *) ptr + sizeof(size_t); +} + +static void *arena_realloc(void *ptr, size_t size) { + if (!A) + init_arena(); + + void *new_ptr = arena_calloc(1, size); + if (ptr) + memcpy(new_ptr, ptr, ((size_t *) ptr)[-1]); + return new_ptr; +} + +static void arena_free(void *ptr) { + (void) ptr; + /* no-op */ +} + +cmark_mem CMARK_ARENA_MEM_ALLOCATOR = {arena_calloc, arena_realloc, arena_free}; + +cmark_mem *cmark_get_arena_mem_allocator(void) { + return &CMARK_ARENA_MEM_ALLOCATOR; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/blocks.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/blocks.c new file mode 100644 index 0000000000..6467a3a594 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/blocks.c @@ -0,0 +1,1659 @@ +/** + * Block parsing implementation. + * + * For a high-level overview of the block parsing process, + * see http://spec.commonmark.org/0.24/#phase-1-block-structure + */ + +#include +#include +#include +#include +#include + +#include "cmark_ctype.h" +#include "syntax_extension.h" +#include "parser.h" +#include "cmark-gfm.h" +#include "node.h" +#include "references.h" +#include "utf8.h" +#include "scanners.h" +#include "inlines.h" +#include "houdini.h" +#include "buffer.h" +#include "footnotes.h" + +#define CODE_INDENT 4 +#define TAB_STOP 4 + +/** + * Very deeply nested lists can cause quadratic performance issues. + * This constant is used in open_new_blocks() to limit the nesting + * depth. It is unlikely that a non-contrived markdown document will + * be nested this deeply. + */ +#define MAX_LIST_DEPTH 100 + +#ifndef MIN +#define MIN(x, y) ((x < y) ? x : y) +#endif + +#define peek_at(i, n) (i)->data[n] + +static bool S_last_line_blank(const cmark_node *node) { + return (node->flags & CMARK_NODE__LAST_LINE_BLANK) != 0; +} + +static bool S_last_line_checked(const cmark_node *node) { + return (node->flags & CMARK_NODE__LAST_LINE_CHECKED) != 0; +} + +static inline cmark_node_type S_type(const cmark_node *node) { + return (cmark_node_type)node->type; +} + +static void S_set_last_line_blank(cmark_node *node, bool is_blank) { + if (is_blank) + node->flags |= CMARK_NODE__LAST_LINE_BLANK; + else + node->flags &= ~CMARK_NODE__LAST_LINE_BLANK; +} + +static void S_set_last_line_checked(cmark_node *node) { + node->flags |= CMARK_NODE__LAST_LINE_CHECKED; +} + +static inline bool S_is_line_end_char(char c) { + return (c == '\n' || c == '\r'); +} + +static inline bool S_is_space_or_tab(char c) { + return (c == ' ' || c == '\t'); +} + +static void S_parser_feed(cmark_parser *parser, const unsigned char *buffer, + size_t len, bool eof); + +static void S_process_line(cmark_parser *parser, const unsigned char *buffer, + bufsize_t bytes, bool ensureEndsInNewline); + +static cmark_node *make_block(cmark_mem *mem, cmark_node_type tag, + int start_line, int start_column) { + cmark_node *e; + + e = (cmark_node *)mem->calloc(1, sizeof(*e)); + cmark_strbuf_init(mem, &e->content, 32); + e->type = (uint16_t)tag; + e->flags = CMARK_NODE__OPEN; + e->start_line = start_line; + e->start_column = start_column; + e->end_line = start_line; + + return e; +} + +// Create a root document node. +static cmark_node *make_document(cmark_mem *mem) { + cmark_node *e = make_block(mem, CMARK_NODE_DOCUMENT, 1, 1); + return e; +} + +int cmark_parser_attach_syntax_extension(cmark_parser *parser, + cmark_syntax_extension *extension) { + parser->syntax_extensions = cmark_llist_append(parser->mem, parser->syntax_extensions, extension); + if (extension->match_inline || extension->insert_inline_from_delim) { + if (!parser->inline_syntax_extensions) { + // if we're loading an inline extension into this parser for the first time, + // allocate new buffers for the inline parser character arrays + parser->skip_chars = (int8_t *)parser->mem->calloc(sizeof(int8_t), 256); + cmark_set_default_skip_chars(&parser->skip_chars, true); + + parser->special_chars = (int8_t *)parser->mem->calloc(sizeof(int8_t), 256); + cmark_set_default_special_chars(&parser->special_chars, true); + } + + parser->inline_syntax_extensions = cmark_llist_append( + parser->mem, parser->inline_syntax_extensions, extension); + } + + return 1; +} + +static void cmark_parser_dispose(cmark_parser *parser) { + if (parser->root) + cmark_node_free(parser->root); + + if (parser->refmap) + cmark_map_free(parser->refmap); +} + +static void cmark_parser_reset(cmark_parser *parser) { + cmark_llist *saved_exts = parser->syntax_extensions; + cmark_llist *saved_inline_exts = parser->inline_syntax_extensions; + int saved_options = parser->options; + cmark_mem *saved_mem = parser->mem; + int8_t *saved_specials = parser->special_chars; + int8_t *saved_skips = parser->skip_chars; + + cmark_parser_dispose(parser); + + memset(parser, 0, sizeof(cmark_parser)); + parser->mem = saved_mem; + + cmark_strbuf_init(parser->mem, &parser->curline, 256); + cmark_strbuf_init(parser->mem, &parser->linebuf, 0); + + cmark_node *document = make_document(parser->mem); + + parser->refmap = cmark_reference_map_new(parser->mem); + parser->root = document; + parser->current = document; + + parser->syntax_extensions = saved_exts; + parser->inline_syntax_extensions = saved_inline_exts; + parser->options = saved_options; + + parser->special_chars = saved_specials; + parser->skip_chars = saved_skips; +} + +cmark_parser *cmark_parser_new_with_mem(int options, cmark_mem *mem) { + cmark_parser *parser = (cmark_parser *)mem->calloc(1, sizeof(cmark_parser)); + parser->mem = mem; + parser->options = options; + cmark_set_default_skip_chars(&parser->skip_chars, false); + cmark_set_default_special_chars(&parser->special_chars, false); + cmark_parser_reset(parser); + return parser; +} + +cmark_parser *cmark_parser_new(int options) { + extern cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR; + return cmark_parser_new_with_mem(options, &CMARK_DEFAULT_MEM_ALLOCATOR); +} + +void cmark_parser_free(cmark_parser *parser) { + cmark_mem *mem = parser->mem; + + // If any inline syntax extensions were added, free the memory allocated for the special-chars arrays + if (parser->inline_syntax_extensions) { + mem->free(parser->special_chars); + mem->free(parser->skip_chars); + } + + cmark_parser_dispose(parser); + cmark_strbuf_free(&parser->curline); + cmark_strbuf_free(&parser->linebuf); + cmark_llist_free(parser->mem, parser->syntax_extensions); + cmark_llist_free(parser->mem, parser->inline_syntax_extensions); + mem->free(parser); +} + +static cmark_node *finalize(cmark_parser *parser, cmark_node *b); + +// Returns true if line has only space characters, else false. +static bool is_blank(cmark_strbuf *s, bufsize_t offset) { + while (offset < s->size) { + switch (s->ptr[offset]) { + case '\r': + case '\n': + return true; + case ' ': + offset++; + break; + case '\t': + offset++; + break; + default: + return false; + } + } + + return true; +} + +static inline bool accepts_lines(cmark_node_type block_type) { + return (block_type == CMARK_NODE_PARAGRAPH || + block_type == CMARK_NODE_HEADING || + block_type == CMARK_NODE_CODE_BLOCK); +} + +static inline bool contains_inlines(cmark_node *node) { + if (node->extension && node->extension->contains_inlines_func) { + return node->extension->contains_inlines_func(node->extension, node) != 0; + } + + return (node->type == CMARK_NODE_PARAGRAPH || + node->type == CMARK_NODE_HEADING); +} + +static void add_line(cmark_node *node, cmark_chunk *ch, cmark_parser *parser) { + int chars_to_tab; + int i; + assert(node->flags & CMARK_NODE__OPEN); + if (parser->partially_consumed_tab) { + parser->offset += 1; // skip over tab + // add space characters: + chars_to_tab = TAB_STOP - (parser->column % TAB_STOP); + for (i = 0; i < chars_to_tab; i++) { + cmark_strbuf_putc(&node->content, ' '); + } + } + cmark_strbuf_put(&node->content, ch->data + parser->offset, + ch->len - parser->offset); +} + +static void remove_trailing_blank_lines(cmark_strbuf *ln) { + bufsize_t i; + unsigned char c; + + for (i = ln->size - 1; i >= 0; --i) { + c = ln->ptr[i]; + + if (c != ' ' && c != '\t' && !S_is_line_end_char(c)) + break; + } + + if (i < 0) { + cmark_strbuf_clear(ln); + return; + } + + for (; i < ln->size; ++i) { + c = ln->ptr[i]; + + if (!S_is_line_end_char(c)) + continue; + + cmark_strbuf_truncate(ln, i); + break; + } +} + +// Check to see if a node ends with a blank line, descending +// if needed into lists and sublists. +static bool S_ends_with_blank_line(cmark_node *node) { + if (S_last_line_checked(node)) { + return(S_last_line_blank(node)); + } else if ((S_type(node) == CMARK_NODE_LIST || + S_type(node) == CMARK_NODE_ITEM) && node->last_child) { + S_set_last_line_checked(node); + return(S_ends_with_blank_line(node->last_child)); + } else { + S_set_last_line_checked(node); + return (S_last_line_blank(node)); + } +} + +// returns true if content remains after link defs are resolved. +static bool resolve_reference_link_definitions( + cmark_parser *parser, + cmark_node *b) { + bufsize_t pos; + cmark_strbuf *node_content = &b->content; + cmark_chunk chunk = {node_content->ptr, node_content->size, 0}; + while ((chunk.len && chunk.data[0] == '[' && + (pos = cmark_parse_reference_inline(parser->mem, &chunk, parser->refmap))) || + (chunk.len && chunk.data[0] == '^' && chunk.data[1] == '[' && + (pos = cmark_parse_reference_attributes_inline(parser->mem, &chunk, parser->refmap)))) { + + chunk.data += pos; + chunk.len -= pos; + } + cmark_strbuf_drop(node_content, (node_content->size - chunk.len)); + return !is_blank(&b->content, 0); +} + +static cmark_node *finalize(cmark_parser *parser, cmark_node *b) { + bufsize_t pos; + cmark_node *item; + cmark_node *subitem; + cmark_node *parent; + bool has_content; + + parent = b->parent; + assert(b->flags & + CMARK_NODE__OPEN); // shouldn't call finalize on closed blocks + b->flags &= ~CMARK_NODE__OPEN; + + if (parser->curline.size == 0) { + // end of input - line number has not been incremented + b->end_line = parser->line_number; + b->end_column = parser->last_line_length; + } else if (S_type(b) == CMARK_NODE_DOCUMENT || + (S_type(b) == CMARK_NODE_CODE_BLOCK && b->as.code.fenced) || + (S_type(b) == CMARK_NODE_HEADING && b->as.heading.setext) || + (parser->line_number - 1 < b->end_line)) { + b->end_line = parser->line_number; + b->end_column = parser->curline.size; + if (b->end_column && parser->curline.ptr[b->end_column - 1] == '\n') + b->end_column -= 1; + if (b->end_column && parser->curline.ptr[b->end_column - 1] == '\r') + b->end_column -= 1; + } else { + b->end_line = parser->line_number - 1; + b->end_column = parser->last_line_length; + } + + cmark_strbuf *node_content = &b->content; + + switch (S_type(b)) { + case CMARK_NODE_PARAGRAPH: + { + has_content = resolve_reference_link_definitions(parser, b); + if (!has_content && (parser->options & CMARK_OPT_PRESERVE_WHITESPACE) == 0) { + // remove blank node (former reference def) + cmark_node_free(b); + } + break; + } + + case CMARK_NODE_CODE_BLOCK: + if (!b->as.code.fenced) { // indented code + remove_trailing_blank_lines(node_content); + cmark_strbuf_putc(node_content, '\n'); + } else { + // first line of contents becomes info + for (pos = 0; pos < node_content->size; ++pos) { + if (S_is_line_end_char(node_content->ptr[pos])) + break; + } + assert(pos < node_content->size); + + cmark_strbuf tmp = CMARK_BUF_INIT(parser->mem); + houdini_unescape_html_f(&tmp, node_content->ptr, pos); + cmark_strbuf_trim(&tmp); + cmark_strbuf_unescape(&tmp); + b->as.code.info = cmark_chunk_buf_detach(&tmp); + + if (node_content->ptr[pos] == '\r') + pos += 1; + if (node_content->ptr[pos] == '\n') + pos += 1; + cmark_strbuf_drop(node_content, pos); + } + b->as.code.literal = cmark_chunk_buf_detach(node_content); + break; + + case CMARK_NODE_HTML_BLOCK: + b->as.literal = cmark_chunk_buf_detach(node_content); + break; + + case CMARK_NODE_LIST: // determine tight/loose status + b->as.list.tight = true; // tight by default + item = b->first_child; + + while (item) { + // check for non-final non-empty list item ending with blank line: + if (S_last_line_blank(item) && item->next) { + b->as.list.tight = false; + break; + } + // recurse into children of list item, to see if there are + // spaces between them: + subitem = item->first_child; + while (subitem) { + if ((item->next || subitem->next) && + S_ends_with_blank_line(subitem)) { + b->as.list.tight = false; + break; + } + subitem = subitem->next; + } + if (!(b->as.list.tight)) { + break; + } + item = item->next; + } + + break; + + default: + break; + } + + return parent; +} + +// Add a node as child of another. Return pointer to child. +static cmark_node *add_child(cmark_parser *parser, cmark_node *parent, + cmark_node_type block_type, int start_column) { + assert(parent); + + // if 'parent' isn't the kind of node that can accept this child, + // then back up til we hit a node that can. + while (!cmark_node_can_contain_type(parent, block_type)) { + parent = finalize(parser, parent); + } + + cmark_node *child = + make_block(parser->mem, block_type, parser->line_number, start_column); + child->parent = parent; + + if (parent->last_child) { + parent->last_child->next = child; + child->prev = parent->last_child; + } else { + parent->first_child = child; + child->prev = NULL; + } + parent->last_child = child; + return child; +} + +void cmark_manage_extensions_special_characters(cmark_parser *parser, int add) { + cmark_llist *tmp_ext; + + for (tmp_ext = parser->inline_syntax_extensions; tmp_ext; tmp_ext=tmp_ext->next) { + cmark_syntax_extension *ext = (cmark_syntax_extension *) tmp_ext->data; + cmark_llist *tmp_char; + for (tmp_char = ext->special_inline_chars; tmp_char; tmp_char=tmp_char->next) { + unsigned char c = (unsigned char)(size_t)tmp_char->data; + if (add) + cmark_inlines_add_special_character(parser, c, ext->emphasis); + else + cmark_inlines_remove_special_character(parser, c, ext->emphasis); + } + } +} + +// Walk through node and all children, recursively, parsing +// string content into inline content where appropriate. +static void process_inlines(cmark_parser *parser, + cmark_map *refmap, int options) { + cmark_iter *iter = cmark_iter_new(parser->root); + cmark_node *cur; + cmark_event_type ev_type; + + cmark_manage_extensions_special_characters(parser, true); + + while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + cur = cmark_iter_get_node(iter); + if (ev_type == CMARK_EVENT_ENTER) { + if (contains_inlines(cur)) { + cmark_parse_inlines(parser, cur, refmap, options); + } + } + } + + cmark_manage_extensions_special_characters(parser, false); + + cmark_iter_free(iter); +} + +static int sort_footnote_by_ix(const void *_a, const void *_b) { + cmark_footnote *a = *(cmark_footnote **)_a; + cmark_footnote *b = *(cmark_footnote **)_b; + return (int)a->ix - (int)b->ix; +} + +static void process_footnotes(cmark_parser *parser) { + // * Collect definitions in a map. + // * Iterate the references in the document in order, assigning indices to + // definitions in the order they're seen. + // * Write out the footnotes at the bottom of the document in index order. + + cmark_map *map = cmark_footnote_map_new(parser->mem); + + cmark_iter *iter = cmark_iter_new(parser->root); + cmark_node *cur; + cmark_event_type ev_type; + + while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + cur = cmark_iter_get_node(iter); + if (ev_type == CMARK_EVENT_EXIT && cur->type == CMARK_NODE_FOOTNOTE_DEFINITION) { + cmark_footnote_create(map, cur); + } + } + + cmark_iter_free(iter); + iter = cmark_iter_new(parser->root); + unsigned int ix = 0; + + while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + cur = cmark_iter_get_node(iter); + if (ev_type == CMARK_EVENT_EXIT && cur->type == CMARK_NODE_FOOTNOTE_REFERENCE) { + cmark_footnote *footnote = (cmark_footnote *)cmark_map_lookup(map, &cur->as.literal); + if (footnote) { + if (!footnote->ix) + footnote->ix = ++ix; + + // store a reference to this footnote reference's footnote definition + // this is used by renderers when generating label ids + cur->parent_footnote_def = footnote->node; + + // keep track of a) count of how many times this footnote def has been + // referenced, and b) which reference index this footnote ref is at. + // this is used by renderers when generating links and backreferences. + cur->footnote.ref_ix = ++footnote->node->footnote.def_count; + + char n[32]; + snprintf(n, sizeof(n), "%d", footnote->ix); + cmark_chunk_free(parser->mem, &cur->as.literal); + cmark_strbuf buf = CMARK_BUF_INIT(parser->mem); + cmark_strbuf_puts(&buf, n); + + cur->as.literal = cmark_chunk_buf_detach(&buf); + } else { + cmark_node *text = (cmark_node *)parser->mem->calloc(1, sizeof(*text)); + cmark_strbuf_init(parser->mem, &text->content, 0); + text->type = (uint16_t) CMARK_NODE_TEXT; + + cmark_strbuf buf = CMARK_BUF_INIT(parser->mem); + cmark_strbuf_puts(&buf, "[^"); + cmark_strbuf_put(&buf, cur->as.literal.data, cur->as.literal.len); + cmark_strbuf_putc(&buf, ']'); + + text->as.literal = cmark_chunk_buf_detach(&buf); + cmark_node_insert_after(cur, text); + cmark_node_free(cur); + } + } + } + + cmark_iter_free(iter); + + if (map->sorted) { + qsort(map->sorted, map->size, sizeof(cmark_map_entry *), sort_footnote_by_ix); + for (unsigned int i = 0; i < map->size; ++i) { + cmark_footnote *footnote = (cmark_footnote *)map->sorted[i]; + if (!footnote->ix) { + cmark_node_unlink(footnote->node); + continue; + } + cmark_node_append_child(parser->root, footnote->node); + footnote->node = NULL; + } + } + + cmark_unlink_footnotes_map(map); + cmark_map_free(map); +} + +// Attempts to parse a list item marker (bullet or enumerated). +// On success, returns length of the marker, and populates +// data with the details. On failure, returns 0. +static bufsize_t parse_list_marker(cmark_mem *mem, cmark_chunk *input, + bufsize_t pos, bool interrupts_paragraph, + cmark_list **dataptr) { + unsigned char c; + bufsize_t startpos; + cmark_list *data; + bufsize_t i; + + startpos = pos; + c = peek_at(input, pos); + + if (c == '*' || c == '-' || c == '+') { + pos++; + if (!cmark_isspace(peek_at(input, pos))) { + return 0; + } + + if (interrupts_paragraph) { + i = pos; + // require non-blank content after list marker: + while (S_is_space_or_tab(peek_at(input, i))) { + i++; + } + if (peek_at(input, i) == '\n') { + return 0; + } + } + + data = (cmark_list *)mem->calloc(1, sizeof(*data)); + data->marker_offset = 0; // will be adjusted later + data->list_type = CMARK_BULLET_LIST; + data->bullet_char = c; + data->start = 0; + data->delimiter = CMARK_NO_DELIM; + data->tight = false; + } else if (cmark_isdigit(c)) { + int start = 0; + int digits = 0; + + do { + start = (10 * start) + (peek_at(input, pos) - '0'); + pos++; + digits++; + // We limit to 9 digits to avoid overflow, + // assuming max int is 2^31 - 1 + // This also seems to be the limit for 'start' in some browsers. + } while (digits < 9 && cmark_isdigit(peek_at(input, pos))); + + if (interrupts_paragraph && start != 1) { + return 0; + } + c = peek_at(input, pos); + if (c == '.' || c == ')') { + pos++; + if (!cmark_isspace(peek_at(input, pos))) { + return 0; + } + if (interrupts_paragraph) { + // require non-blank content after list marker: + i = pos; + while (S_is_space_or_tab(peek_at(input, i))) { + i++; + } + if (S_is_line_end_char(peek_at(input, i))) { + return 0; + } + } + + data = (cmark_list *)mem->calloc(1, sizeof(*data)); + data->marker_offset = 0; // will be adjusted later + data->list_type = CMARK_ORDERED_LIST; + data->bullet_char = 0; + data->start = start; + data->delimiter = (c == '.' ? CMARK_PERIOD_DELIM : CMARK_PAREN_DELIM); + data->tight = false; + } else { + return 0; + } + } else { + return 0; + } + + *dataptr = data; + return (pos - startpos); +} + +// Return 1 if list item belongs in list, else 0. +static int lists_match(cmark_list *list_data, cmark_list *item_data) { + return (list_data->list_type == item_data->list_type && + list_data->delimiter == item_data->delimiter && + // list_data->marker_offset == item_data.marker_offset && + list_data->bullet_char == item_data->bullet_char); +} + +static cmark_node *finalize_document(cmark_parser *parser) { + while (parser->current != parser->root) { + parser->current = finalize(parser, parser->current); + } + + finalize(parser, parser->root); + + // Limit total size of extra content created from reference links to + // document size to avoid superlinear growth. Always allow 100KB. + if (parser->total_size > 100000) + parser->refmap->max_ref_size = parser->total_size; + else + parser->refmap->max_ref_size = 100000; + + process_inlines(parser, parser->refmap, parser->options); + if (parser->options & CMARK_OPT_FOOTNOTES) + process_footnotes(parser); + + return parser->root; +} + +cmark_node *cmark_parse_file(FILE *f, int options) { + unsigned char buffer[4096]; + cmark_parser *parser = cmark_parser_new(options); + size_t bytes; + cmark_node *document; + + while ((bytes = fread(buffer, 1, sizeof(buffer), f)) > 0) { + bool eof = bytes < sizeof(buffer); + S_parser_feed(parser, buffer, bytes, eof); + if (eof) { + break; + } + } + + document = cmark_parser_finish(parser); + cmark_parser_free(parser); + return document; +} + +cmark_node *cmark_parse_document(const char *buffer, size_t len, int options) { + cmark_parser *parser = cmark_parser_new(options); + cmark_node *document; + + S_parser_feed(parser, (const unsigned char *)buffer, len, true); + + document = cmark_parser_finish(parser); + cmark_parser_free(parser); + return document; +} + +void cmark_parser_feed(cmark_parser *parser, const char *buffer, size_t len) { + S_parser_feed(parser, (const unsigned char *)buffer, len, false); +} + +void cmark_parser_feed_reentrant(cmark_parser *parser, const char *buffer, size_t len) { + cmark_strbuf saved_linebuf; + + cmark_strbuf_init(parser->mem, &saved_linebuf, 0); + cmark_strbuf_puts(&saved_linebuf, cmark_strbuf_cstr(&parser->linebuf)); + cmark_strbuf_clear(&parser->linebuf); + + S_parser_feed(parser, (const unsigned char *)buffer, len, true); + + cmark_strbuf_sets(&parser->linebuf, cmark_strbuf_cstr(&saved_linebuf)); + cmark_strbuf_free(&saved_linebuf); +} + +static void S_parser_feed(cmark_parser *parser, const unsigned char *buffer, + size_t len, bool eof) { + const unsigned char *end = buffer + len; + static const uint8_t repl[] = {239, 191, 189}; + bool preserveWhitespace = parser->options & CMARK_OPT_PRESERVE_WHITESPACE; + + if (len > UINT_MAX - parser->total_size) + parser->total_size = UINT_MAX; + else + parser->total_size += len; + + if (parser->last_buffer_ended_with_cr && *buffer == '\n') { + // skip NL if last buffer ended with CR ; see #117 + buffer++; + } + parser->last_buffer_ended_with_cr = false; + while (buffer < end) { + const unsigned char *eol; + bufsize_t chunk_len; + bool process = false; + for (eol = buffer; eol < end; ++eol) { + if (S_is_line_end_char(*eol)) { + process = true; + break; + } + if (*eol == '\0' && eol < end) { + break; + } + } + if (eol >= end && eof) { + process = true; + } + + chunk_len = (bufsize_t)(eol - buffer); + if (process) { + if (parser->linebuf.size > 0) { + cmark_strbuf_put(&parser->linebuf, buffer, chunk_len); + S_process_line(parser, parser->linebuf.ptr, parser->linebuf.size, !preserveWhitespace || !eof || eol < end); + cmark_strbuf_clear(&parser->linebuf); + } else { + S_process_line(parser, buffer, chunk_len, !preserveWhitespace || !eof || eol < end); + } + } else { + if (eol < end && *eol == '\0') { + // omit NULL byte + cmark_strbuf_put(&parser->linebuf, buffer, chunk_len); + // add replacement character + cmark_strbuf_put(&parser->linebuf, repl, 3); + } else { + cmark_strbuf_put(&parser->linebuf, buffer, chunk_len); + } + } + + buffer += chunk_len; + if (buffer < end) { + if (*buffer == '\0') { + // skip over NULL + buffer++; + } else { + // skip over line ending characters + if (*buffer == '\r') { + buffer++; + if (buffer == end) + parser->last_buffer_ended_with_cr = true; + } + if (buffer < end && *buffer == '\n') + buffer++; + } + } + } +} + +static void chop_trailing_hashtags(cmark_chunk *ch) { + bufsize_t n, orig_n; + + cmark_chunk_rtrim(ch); + orig_n = n = ch->len - 1; + + // if string ends in space followed by #s, remove these: + while (n >= 0 && peek_at(ch, n) == '#') + n--; + + // Check for a space before the final #s: + if (n != orig_n && n >= 0 && S_is_space_or_tab(peek_at(ch, n))) { + ch->len = n; + cmark_chunk_rtrim(ch); + } +} + +// Check for thematic break. On failure, return 0 and update +// thematic_break_kill_pos with the index at which the +// parse fails. On success, return length of match. +// "...three or more hyphens, asterisks, +// or underscores on a line by themselves. If you wish, you may use +// spaces between the hyphens or asterisks." +static int S_scan_thematic_break(cmark_parser *parser, cmark_chunk *input, + bufsize_t offset) { + bufsize_t i; + char c; + char nextc = '\0'; + int count; + i = offset; + c = peek_at(input, i); + if (!(c == '*' || c == '_' || c == '-')) { + parser->thematic_break_kill_pos = i; + return 0; + } + count = 1; + while ((nextc = peek_at(input, ++i))) { + if (nextc == c) { + count++; + } else if (nextc != ' ' && nextc != '\t') { + break; + } + } + if (count >= 3 && (nextc == '\r' || nextc == '\n')) { + return (i - offset) + 1; + } else { + parser->thematic_break_kill_pos = i; + return 0; + } +} + +// Find first nonspace character from current offset, setting +// parser->first_nonspace, parser->first_nonspace_column, +// parser->indent, and parser->blank. Does not advance parser->offset. +static void S_find_first_nonspace(cmark_parser *parser, cmark_chunk *input) { + char c; + int chars_to_tab = TAB_STOP - (parser->column % TAB_STOP); + + if (parser->first_nonspace <= parser->offset) { + parser->first_nonspace = parser->offset; + parser->first_nonspace_column = parser->column; + while ((c = peek_at(input, parser->first_nonspace))) { + if (c == ' ') { + parser->first_nonspace += 1; + parser->first_nonspace_column += 1; + chars_to_tab = chars_to_tab - 1; + if (chars_to_tab == 0) { + chars_to_tab = TAB_STOP; + } + } else if (c == '\t') { + parser->first_nonspace += 1; + parser->first_nonspace_column += chars_to_tab; + chars_to_tab = TAB_STOP; + } else { + break; + } + } + } + + parser->indent = parser->first_nonspace_column - parser->column; + parser->blank = S_is_line_end_char(peek_at(input, parser->first_nonspace)); +} + +// Advance parser->offset and parser->column. parser->offset is the +// byte position in input; parser->column is a virtual column number +// that takes into account tabs. (Multibyte characters are not taken +// into account, because the Markdown line prefixes we are interested in +// analyzing are entirely ASCII.) The count parameter indicates +// how far to advance the offset. If columns is true, then count +// indicates a number of columns; otherwise, a number of bytes. +// If advancing a certain number of columns partially consumes +// a tab character, parser->partially_consumed_tab is set to true. +static void S_advance_offset(cmark_parser *parser, cmark_chunk *input, + bufsize_t count, bool columns) { + char c; + int chars_to_tab; + int chars_to_advance; + while (count > 0 && (c = peek_at(input, parser->offset))) { + if (c == '\t') { + chars_to_tab = TAB_STOP - (parser->column % TAB_STOP); + if (columns) { + parser->partially_consumed_tab = chars_to_tab > count; + chars_to_advance = MIN(count, chars_to_tab); + parser->column += chars_to_advance; + parser->offset += (parser->partially_consumed_tab ? 0 : 1); + count -= chars_to_advance; + } else { + parser->partially_consumed_tab = false; + parser->column += chars_to_tab; + parser->offset += 1; + count -= 1; + } + } else { + parser->partially_consumed_tab = false; + parser->offset += 1; + parser->column += 1; // assume ascii; block starts are ascii + count -= 1; + } + } +} + +static bool S_last_child_is_open(cmark_node *container) { + return container->last_child && + (container->last_child->flags & CMARK_NODE__OPEN); +} + +static bool parse_block_quote_prefix(cmark_parser *parser, cmark_chunk *input) { + bool res = false; + bufsize_t matched = 0; + + matched = + parser->indent <= 3 && peek_at(input, parser->first_nonspace) == '>'; + if (matched) { + + S_advance_offset(parser, input, parser->indent + 1, true); + + if (S_is_space_or_tab(peek_at(input, parser->offset))) { + S_advance_offset(parser, input, 1, true); + } + + res = true; + } + return res; +} + +static bool parse_footnote_definition_block_prefix(cmark_parser *parser, cmark_chunk *input, + cmark_node *container) { + if (parser->indent >= 4) { + S_advance_offset(parser, input, 4, true); + return true; + } else if (input->len > 0 && (input->data[0] == '\n' || (input->data[0] == '\r' && input->data[1] == '\n'))) { + return true; + } + + return false; +} + +static bool parse_node_item_prefix(cmark_parser *parser, cmark_chunk *input, + cmark_node *container) { + bool res = false; + + if (parser->indent >= + container->as.list.marker_offset + container->as.list.padding) { + S_advance_offset(parser, input, container->as.list.marker_offset + + container->as.list.padding, + true); + res = true; + } else if (parser->blank && container->first_child != NULL) { + // if container->first_child is NULL, then the opening line + // of the list item was blank after the list marker; in this + // case, we are done with the list item. + S_advance_offset(parser, input, parser->first_nonspace - parser->offset, + false); + res = true; + } + return res; +} + +static bool parse_code_block_prefix(cmark_parser *parser, cmark_chunk *input, + cmark_node *container, + bool *should_continue) { + bool res = false; + + if (!container->as.code.fenced) { // indented + if (parser->indent >= CODE_INDENT) { + S_advance_offset(parser, input, CODE_INDENT, true); + res = true; + } else if (parser->blank) { + S_advance_offset(parser, input, parser->first_nonspace - parser->offset, + false); + res = true; + } + } else { // fenced + bufsize_t matched = 0; + + if (parser->indent <= 3 && (peek_at(input, parser->first_nonspace) == + container->as.code.fence_char)) { + matched = scan_close_code_fence(input, parser->first_nonspace); + } + + if (matched >= container->as.code.fence_length) { + // closing fence - and since we're at + // the end of a line, we can stop processing it: + *should_continue = false; + S_advance_offset(parser, input, matched, false); + parser->current = finalize(parser, container); + } else { + // skip opt. spaces of fence parser->offset + int i = container->as.code.fence_offset; + + while (i > 0 && S_is_space_or_tab(peek_at(input, parser->offset))) { + S_advance_offset(parser, input, 1, true); + i--; + } + res = true; + } + } + + return res; +} + +static bool parse_html_block_prefix(cmark_parser *parser, + cmark_node *container) { + bool res = false; + int html_block_type = container->as.html_block_type; + + assert(html_block_type >= 1 && html_block_type <= 7); + switch (html_block_type) { + case 1: + case 2: + case 3: + case 4: + case 5: + // these types of blocks can accept blanks + res = true; + break; + case 6: + case 7: + res = !parser->blank; + break; + } + + return res; +} + +static bool parse_extension_block(cmark_parser *parser, + cmark_node *container, + cmark_chunk *input) +{ + bool res = false; + + if (container->extension->last_block_matches) { + if (container->extension->last_block_matches( + container->extension, parser, input->data, input->len, container)) + res = true; + } + + return res; +} + +/** + * For each containing node, try to parse the associated line start. + * + * Will not close unmatched blocks, as we may have a lazy continuation + * line -> http://spec.commonmark.org/0.24/#lazy-continuation-line + * + * Returns: The last matching node, or NULL + */ +static cmark_node *check_open_blocks(cmark_parser *parser, cmark_chunk *input, + bool *all_matched) { + bool should_continue = true; + *all_matched = false; + cmark_node *container = parser->root; + cmark_node_type cont_type; + + + + while (S_last_child_is_open(container)) { + container = container->last_child; + cont_type = S_type(container); + + S_find_first_nonspace(parser, input); + + if (container->extension) { + if (!parse_extension_block(parser, container, input)) + goto done; + continue; + } + + switch (cont_type) { + case CMARK_NODE_BLOCK_QUOTE: + if (!parse_block_quote_prefix(parser, input)) + goto done; + break; + case CMARK_NODE_ITEM: + if (!parse_node_item_prefix(parser, input, container)) + goto done; + break; + case CMARK_NODE_CODE_BLOCK: + if (!parse_code_block_prefix(parser, input, container, &should_continue)) + goto done; + break; + case CMARK_NODE_HEADING: + // a heading can never contain more than one line + goto done; + case CMARK_NODE_HTML_BLOCK: + if (!parse_html_block_prefix(parser, container)) + goto done; + break; + case CMARK_NODE_PARAGRAPH: + if (parser->blank) + goto done; + break; + case CMARK_NODE_FOOTNOTE_DEFINITION: + if (!parse_footnote_definition_block_prefix(parser, input, container)) + goto done; + break; + default: + break; + } + } + + *all_matched = true; + +done: + if (!*all_matched) { + container = container->parent; // back up to last matching node + } + + if (!should_continue) { + container = NULL; + } + + return container; +} + +static void open_new_blocks(cmark_parser *parser, cmark_node **container, + cmark_chunk *input, bool all_matched) { + bool indented; + cmark_list *data = NULL; + bool maybe_lazy = S_type(parser->current) == CMARK_NODE_PARAGRAPH; + cmark_node_type cont_type = S_type(*container); + bufsize_t matched = 0; + int lev = 0; + bool save_partially_consumed_tab; + bool has_content; + int save_offset; + int save_column; + size_t depth = 0; + + while (cont_type != CMARK_NODE_CODE_BLOCK && + cont_type != CMARK_NODE_HTML_BLOCK) { + depth++; + S_find_first_nonspace(parser, input); + indented = parser->indent >= CODE_INDENT; + + if (!indented && peek_at(input, parser->first_nonspace) == '>') { + + bufsize_t blockquote_startpos = parser->first_nonspace; + + S_advance_offset(parser, input, + parser->first_nonspace + 1 - parser->offset, false); + // optional following character + if (S_is_space_or_tab(peek_at(input, parser->offset))) { + S_advance_offset(parser, input, 1, true); + } + *container = add_child(parser, *container, CMARK_NODE_BLOCK_QUOTE, + blockquote_startpos + 1); + + } else if (!indented && (matched = scan_atx_heading_start( + input, parser->first_nonspace))) { + bufsize_t hashpos; + int level = 0; + bufsize_t heading_startpos = parser->first_nonspace; + + S_advance_offset(parser, input, + parser->first_nonspace + matched - parser->offset, + false); + *container = add_child(parser, *container, CMARK_NODE_HEADING, + heading_startpos + 1); + + hashpos = cmark_chunk_strchr(input, '#', parser->first_nonspace); + + while (peek_at(input, hashpos) == '#') { + level++; + hashpos++; + } + + (*container)->as.heading.level = level; + (*container)->as.heading.setext = false; + (*container)->internal_offset = matched; + + } else if (!indented && (matched = scan_open_code_fence( + input, parser->first_nonspace))) { + *container = add_child(parser, *container, CMARK_NODE_CODE_BLOCK, + parser->first_nonspace + 1); + (*container)->as.code.fenced = true; + (*container)->as.code.fence_char = peek_at(input, parser->first_nonspace); + (*container)->as.code.fence_length = (matched > 255) ? 255 : (uint8_t)matched; + (*container)->as.code.fence_offset = + (int8_t)(parser->first_nonspace - parser->offset); + (*container)->as.code.info = cmark_chunk_literal(""); + S_advance_offset(parser, input, + parser->first_nonspace + matched - parser->offset, + false); + + } else if (!indented && ((matched = scan_html_block_start( + input, parser->first_nonspace)) || + (cont_type != CMARK_NODE_PARAGRAPH && + (matched = scan_html_block_start_7( + input, parser->first_nonspace))))) { + *container = add_child(parser, *container, CMARK_NODE_HTML_BLOCK, + parser->first_nonspace + 1); + (*container)->as.html_block_type = matched; + // note, we don't adjust parser->offset because the tag is part of the + // text + } else if (!indented && cont_type == CMARK_NODE_PARAGRAPH && + (lev = + scan_setext_heading_line(input, parser->first_nonspace))) { + // finalize paragraph, resolving reference links + has_content = resolve_reference_link_definitions(parser, *container); + + if (has_content) { + + (*container)->type = (uint16_t)CMARK_NODE_HEADING; + (*container)->as.heading.level = lev; + (*container)->as.heading.setext = true; + S_advance_offset(parser, input, input->len - 1 - parser->offset, false); + } + } else if (!indented && + !(cont_type == CMARK_NODE_PARAGRAPH && !all_matched) && + (parser->thematic_break_kill_pos <= parser->first_nonspace) && + (matched = S_scan_thematic_break(parser, input, parser->first_nonspace))) { + // it's only now that we know the line is not part of a setext heading: + *container = add_child(parser, *container, CMARK_NODE_THEMATIC_BREAK, + parser->first_nonspace + 1); + S_advance_offset(parser, input, input->len - 1 - parser->offset, false); + } else if (!indented && + (parser->options & CMARK_OPT_FOOTNOTES) && + depth < MAX_LIST_DEPTH && + (matched = scan_footnote_definition(input, parser->first_nonspace))) { + cmark_chunk c = cmark_chunk_dup(input, parser->first_nonspace + 2, matched - 2); + + while (c.data[c.len - 1] != ']') + --c.len; + --c.len; + + cmark_chunk_to_cstr(parser->mem, &c); + + S_advance_offset(parser, input, parser->first_nonspace + matched - parser->offset, false); + *container = add_child(parser, *container, CMARK_NODE_FOOTNOTE_DEFINITION, parser->first_nonspace + matched + 1); + (*container)->as.literal = c; + + (*container)->internal_offset = matched; + } else if ((!indented || cont_type == CMARK_NODE_LIST) && + parser->indent < 4 && + depth < MAX_LIST_DEPTH && + (matched = parse_list_marker( + parser->mem, input, parser->first_nonspace, + (*container)->type == CMARK_NODE_PARAGRAPH, &data))) { + + // Note that we can have new list items starting with >= 4 + // spaces indent, as long as the list container is still open. + int i = 0; + + // compute padding: + S_advance_offset(parser, input, + parser->first_nonspace + matched - parser->offset, + false); + + save_partially_consumed_tab = parser->partially_consumed_tab; + save_offset = parser->offset; + save_column = parser->column; + + while (parser->column - save_column <= 5 && + S_is_space_or_tab(peek_at(input, parser->offset))) { + S_advance_offset(parser, input, 1, true); + } + + i = parser->column - save_column; + if (i >= 5 || i < 1 || + // only spaces after list marker: + S_is_line_end_char(peek_at(input, parser->offset))) { + data->padding = matched + 1; + parser->offset = save_offset; + parser->column = save_column; + parser->partially_consumed_tab = save_partially_consumed_tab; + if (i > 0) { + S_advance_offset(parser, input, 1, true); + } + } else { + data->padding = matched + i; + } + + // check container; if it's a list, see if this list item + // can continue the list; otherwise, create a list container. + + data->marker_offset = parser->indent; + + if (cont_type != CMARK_NODE_LIST || + !lists_match(&((*container)->as.list), data)) { + *container = add_child(parser, *container, CMARK_NODE_LIST, + parser->first_nonspace + 1); + + memcpy(&((*container)->as.list), data, sizeof(*data)); + } + + // add the list item + *container = add_child(parser, *container, CMARK_NODE_ITEM, + parser->first_nonspace + 1); + /* TODO: static */ + memcpy(&((*container)->as.list), data, sizeof(*data)); + parser->mem->free(data); + } else if (indented && !maybe_lazy && !parser->blank) { + S_advance_offset(parser, input, CODE_INDENT, true); + *container = add_child(parser, *container, CMARK_NODE_CODE_BLOCK, + parser->offset + 1); + (*container)->as.code.fenced = false; + (*container)->as.code.fence_char = 0; + (*container)->as.code.fence_length = 0; + (*container)->as.code.fence_offset = 0; + (*container)->as.code.info = cmark_chunk_literal(""); + } else { + cmark_llist *tmp; + cmark_node *new_container = NULL; + + for (tmp = parser->syntax_extensions; tmp; tmp=tmp->next) { + cmark_syntax_extension *ext = (cmark_syntax_extension *) tmp->data; + + if (ext->try_opening_block) { + new_container = ext->try_opening_block( + ext, indented, parser, *container, input->data, input->len); + + if (new_container) { + *container = new_container; + break; + } + } + } + + if (!new_container) { + break; + } + } + + if (accepts_lines(S_type(*container))) { + // if it's a line container, it can't contain other containers + break; + } + + cont_type = S_type(*container); + maybe_lazy = false; + } +} + +static void add_text_to_container(cmark_parser *parser, cmark_node *container, + cmark_node *last_matched_container, + cmark_chunk *input) { + cmark_node *tmp; + // what remains at parser->offset is a text line. add the text to the + // appropriate container. + + S_find_first_nonspace(parser, input); + + if (parser->blank && container->last_child) + S_set_last_line_blank(container->last_child, true); + + // block quote lines are never blank as they start with > + // and we don't count blanks in fenced code for purposes of tight/loose + // lists or breaking out of lists. we also don't set last_line_blank + // on an empty list item. + const cmark_node_type ctype = S_type(container); + const bool last_line_blank = + (parser->blank && ctype != CMARK_NODE_BLOCK_QUOTE && + ctype != CMARK_NODE_HEADING && ctype != CMARK_NODE_THEMATIC_BREAK && + !(ctype == CMARK_NODE_CODE_BLOCK && container->as.code.fenced) && + !(ctype == CMARK_NODE_ITEM && container->first_child == NULL && + container->start_line == parser->line_number)); + + S_set_last_line_blank(container, last_line_blank); + + tmp = container; + while (tmp->parent) { + S_set_last_line_blank(tmp->parent, false); + tmp = tmp->parent; + } + + // If the last line processed belonged to a paragraph node, + // and we didn't match all of the line prefixes for the open containers, + // and we didn't start any new containers, + // and the line isn't blank, + // then treat this as a "lazy continuation line" and add it to + // the open paragraph. + if (parser->current != last_matched_container && + container == last_matched_container && (!parser->blank || (parser->options & CMARK_OPT_PRESERVE_WHITESPACE)) && + S_type(parser->current) == CMARK_NODE_PARAGRAPH) { + add_line(parser->current, input, parser); + } else { // not a lazy continuation + // Finalize any blocks that were not matched and set cur to container: + while (parser->current != last_matched_container) { + parser->current = finalize(parser, parser->current); + assert(parser->current != NULL); + } + + if (S_type(container) == CMARK_NODE_CODE_BLOCK) { + add_line(container, input, parser); + } else if (S_type(container) == CMARK_NODE_HTML_BLOCK) { + add_line(container, input, parser); + + int matches_end_condition; + switch (container->as.html_block_type) { + case 1: + // , , + matches_end_condition = + scan_html_block_end_1(input, parser->first_nonspace); + break; + case 2: + // --> + matches_end_condition = + scan_html_block_end_2(input, parser->first_nonspace); + break; + case 3: + // ?> + matches_end_condition = + scan_html_block_end_3(input, parser->first_nonspace); + break; + case 4: + // > + matches_end_condition = + scan_html_block_end_4(input, parser->first_nonspace); + break; + case 5: + // ]]> + matches_end_condition = + scan_html_block_end_5(input, parser->first_nonspace); + break; + default: + matches_end_condition = 0; + break; + } + + if (matches_end_condition) { + container = finalize(parser, container); + assert(parser->current != NULL); + } + } else if (parser->blank && (parser->options & CMARK_OPT_PRESERVE_WHITESPACE) == 0) { + // ??? do nothing + } else if (accepts_lines(S_type(container))) { + if (S_type(container) == CMARK_NODE_HEADING && + container->as.heading.setext == false) { + chop_trailing_hashtags(input); + } + if ((parser->options & CMARK_OPT_PRESERVE_WHITESPACE) == 0) + S_advance_offset(parser, input, parser->first_nonspace - parser->offset, + false); + add_line(container, input, parser); + } else { + // create paragraph container for line + if (parser->options & CMARK_OPT_PRESERVE_WHITESPACE) { + container = add_child(parser, container, CMARK_NODE_PARAGRAPH, + parser->offset + 1); + } else { + container = add_child(parser, container, CMARK_NODE_PARAGRAPH, + parser->first_nonspace + 1); + S_advance_offset(parser, input, parser->first_nonspace - parser->offset, + false); + } + add_line(container, input, parser); + } + + parser->current = container; + } +} + +/* See http://spec.commonmark.org/0.24/#phase-1-block-structure */ +static void S_process_line(cmark_parser *parser, const unsigned char *buffer, + bufsize_t bytes, bool ensureEndsInNewline) { + cmark_node *last_matched_container; + bool all_matched = true; + cmark_node *container; + cmark_chunk input; + cmark_node *current; + + cmark_strbuf_clear(&parser->curline); + + if (parser->options & CMARK_OPT_VALIDATE_UTF8) + cmark_utf8proc_check(&parser->curline, buffer, bytes); + else + cmark_strbuf_put(&parser->curline, buffer, bytes); + + bytes = parser->curline.size; + + // ensure line ends with a newline: + if (ensureEndsInNewline && (bytes == 0 || !S_is_line_end_char(parser->curline.ptr[bytes - 1]))) + cmark_strbuf_putc(&parser->curline, '\n'); + + parser->offset = 0; + parser->column = 0; + parser->first_nonspace = 0; + parser->first_nonspace_column = 0; + parser->thematic_break_kill_pos = 0; + parser->indent = 0; + parser->blank = false; + parser->partially_consumed_tab = false; + + input.data = parser->curline.ptr; + input.len = parser->curline.size; + input.alloc = 0; + + // Skip UTF-8 BOM. + if (parser->line_number == 0 && + input.len >= 3 && + memcmp(input.data, "\xef\xbb\xbf", 3) == 0) + parser->offset += 3; + + parser->line_number++; + + last_matched_container = check_open_blocks(parser, &input, &all_matched); + + if (!last_matched_container) + goto finished; + + container = last_matched_container; + + current = parser->current; + + // Only open new blocks if we're not limited to inline + if ((parser->options & CMARK_OPT_INLINE_ONLY) == 0) + open_new_blocks(parser, &container, &input, all_matched); + + /* parser->current might have changed if feed_reentrant was called */ + if (current == parser->current) + add_text_to_container(parser, container, last_matched_container, &input); + +finished: + parser->last_line_length = input.len; + if (parser->last_line_length && + input.data[parser->last_line_length - 1] == '\n') + parser->last_line_length -= 1; + if (parser->last_line_length && + input.data[parser->last_line_length - 1] == '\r') + parser->last_line_length -= 1; + + cmark_strbuf_clear(&parser->curline); +} + +cmark_node *cmark_parser_finish(cmark_parser *parser) { + cmark_node *res; + cmark_llist *extensions; + + /* Parser was already finished once */ + if (parser->root == NULL) + return NULL; + + if (parser->linebuf.size) { + S_process_line(parser, parser->linebuf.ptr, parser->linebuf.size, (parser->options & CMARK_OPT_PRESERVE_WHITESPACE) == 0); + cmark_strbuf_clear(&parser->linebuf); + } + + finalize_document(parser); + + cmark_consolidate_text_nodes(parser->root); + + cmark_strbuf_free(&parser->curline); + cmark_strbuf_free(&parser->linebuf); + +#if CMARK_DEBUG_NODES + if (cmark_node_check(parser->root, stderr)) { + abort(); + } +#endif + + for (extensions = parser->syntax_extensions; extensions; extensions = extensions->next) { + cmark_syntax_extension *ext = (cmark_syntax_extension *) extensions->data; + if (ext->postprocess_func) { + cmark_node *processed = ext->postprocess_func(ext, parser, parser->root); + if (processed) + parser->root = processed; + } + } + + res = parser->root; + parser->root = NULL; + + cmark_parser_reset(parser); + + return res; +} + +int cmark_parser_get_line_number(cmark_parser *parser) { + return parser->line_number; +} + +bufsize_t cmark_parser_get_offset(cmark_parser *parser) { + return parser->offset; +} + +bufsize_t cmark_parser_get_column(cmark_parser *parser) { + return parser->column; +} + +int cmark_parser_get_first_nonspace(cmark_parser *parser) { + return parser->first_nonspace; +} + +int cmark_parser_get_first_nonspace_column(cmark_parser *parser) { + return parser->first_nonspace_column; +} + +int cmark_parser_get_indent(cmark_parser *parser) { + return parser->indent; +} + +int cmark_parser_is_blank(cmark_parser *parser) { + return parser->blank; +} + +int cmark_parser_has_partially_consumed_tab(cmark_parser *parser) { + return parser->partially_consumed_tab; +} + +int cmark_parser_get_last_line_length(cmark_parser *parser) { + return parser->last_line_length; +} + +cmark_node *cmark_parser_add_child(cmark_parser *parser, + cmark_node *parent, + cmark_node_type block_type, + int start_column) { + return add_child(parser, parent, block_type, start_column); +} + +void cmark_parser_advance_offset(cmark_parser *parser, + const char *input, + int count, + int columns) { + cmark_chunk input_chunk = cmark_chunk_literal(input); + + S_advance_offset(parser, &input_chunk, count, columns != 0); +} + +void cmark_parser_set_backslash_ispunct_func(cmark_parser *parser, + cmark_ispunct_func func) { + parser->backslash_ispunct = func; +} + +cmark_llist *cmark_parser_get_syntax_extensions(cmark_parser *parser) { + return parser->syntax_extensions; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/buffer.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/buffer.c new file mode 100644 index 0000000000..aeca03d099 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/buffer.c @@ -0,0 +1,277 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "cmark_ctype.h" +#include "buffer.h" + +/* Used as default value for cmark_strbuf->ptr so that people can always + * assume ptr is non-NULL and zero terminated even for new cmark_strbufs. + */ +unsigned char cmark_strbuf__initbuf[1]; + +#ifndef MIN +#define MIN(x, y) ((x < y) ? x : y) +#endif + +void cmark_strbuf_init(cmark_mem *mem, cmark_strbuf *buf, + bufsize_t initial_size) { + buf->mem = mem; + buf->asize = 0; + buf->size = 0; + buf->ptr = cmark_strbuf__initbuf; + + if (initial_size > 0) + cmark_strbuf_grow(buf, initial_size); +} + +static inline void S_strbuf_grow_by(cmark_strbuf *buf, bufsize_t add) { + cmark_strbuf_grow(buf, buf->size + add); +} + +void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size) { + assert(target_size > 0); + + if (target_size < buf->asize) + return; + + if (target_size > (bufsize_t)(INT32_MAX / 2)) { + fprintf(stderr, + "[cmark] cmark_strbuf_grow requests buffer with size > %d, aborting\n", + (INT32_MAX / 2)); + abort(); + } + + /* Oversize the buffer by 50% to guarantee amortized linear time + * complexity on append operations. */ + bufsize_t new_size = target_size + target_size / 2; + new_size += 1; + new_size = (new_size + 7) & ~7; + + buf->ptr = (unsigned char *)buf->mem->realloc(buf->asize ? buf->ptr : NULL, + new_size); + buf->asize = new_size; +} + +bufsize_t cmark_strbuf_len(const cmark_strbuf *buf) { return buf->size; } + +void cmark_strbuf_free(cmark_strbuf *buf) { + if (!buf) + return; + + if (buf->ptr != cmark_strbuf__initbuf) + buf->mem->free(buf->ptr); + + cmark_strbuf_init(buf->mem, buf, 0); +} + +void cmark_strbuf_clear(cmark_strbuf *buf) { + buf->size = 0; + + if (buf->asize > 0) + buf->ptr[0] = '\0'; +} + +void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len) { + if (len <= 0 || data == NULL) { + cmark_strbuf_clear(buf); + } else { + if (data != buf->ptr) { + if (len >= buf->asize) + cmark_strbuf_grow(buf, len); + memmove(buf->ptr, data, len); + } + buf->size = len; + buf->ptr[buf->size] = '\0'; + } +} + +void cmark_strbuf_sets(cmark_strbuf *buf, const char *string) { + cmark_strbuf_set(buf, (const unsigned char *)string, + string ? (bufsize_t)strlen(string) : 0); +} + +void cmark_strbuf_putc(cmark_strbuf *buf, int c) { + S_strbuf_grow_by(buf, 1); + buf->ptr[buf->size++] = (unsigned char)(c & 0xFF); + buf->ptr[buf->size] = '\0'; +} + +void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len) { + if (len <= 0) + return; + + S_strbuf_grow_by(buf, len); + memmove(buf->ptr + buf->size, data, len); + buf->size += len; + buf->ptr[buf->size] = '\0'; +} + +void cmark_strbuf_puts(cmark_strbuf *buf, const char *string) { + cmark_strbuf_put(buf, (const unsigned char *)string, (bufsize_t)strlen(string)); +} + +void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize, + const cmark_strbuf *buf) { + bufsize_t copylen; + + assert(buf); + if (!data || datasize <= 0) + return; + + data[0] = '\0'; + + if (buf->size == 0 || buf->asize <= 0) + return; + + copylen = buf->size; + if (copylen > datasize - 1) + copylen = datasize - 1; + memmove(data, buf->ptr, copylen); + data[copylen] = '\0'; +} + +void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b) { + cmark_strbuf t = *buf_a; + *buf_a = *buf_b; + *buf_b = t; +} + +unsigned char *cmark_strbuf_detach(cmark_strbuf *buf) { + unsigned char *data = buf->ptr; + + if (buf->asize == 0) { + /* return an empty string */ + return (unsigned char *)buf->mem->calloc(1, 1); + } + + cmark_strbuf_init(buf->mem, buf, 0); + return data; +} + +int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b) { + int result = memcmp(a->ptr, b->ptr, MIN(a->size, b->size)); + return (result != 0) ? result + : (a->size < b->size) ? -1 : (a->size > b->size) ? 1 : 0; +} + +bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos) { + if (pos >= buf->size) + return -1; + if (pos < 0) + pos = 0; + + const unsigned char *p = + (unsigned char *)memchr(buf->ptr + pos, c, buf->size - pos); + if (!p) + return -1; + + return (bufsize_t)(p - (const unsigned char *)buf->ptr); +} + +bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos) { + if (pos < 0 || buf->size == 0) + return -1; + if (pos >= buf->size) + pos = buf->size - 1; + + bufsize_t i; + for (i = pos; i >= 0; i--) { + if (buf->ptr[i] == (unsigned char)c) + return i; + } + + return -1; +} + +void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len) { + if (len < 0) + len = 0; + + if (len < buf->size) { + buf->size = len; + buf->ptr[buf->size] = '\0'; + } +} + +void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n) { + if (n > 0) { + if (n > buf->size) + n = buf->size; + buf->size = buf->size - n; + if (buf->size) + memmove(buf->ptr, buf->ptr + n, buf->size); + + buf->ptr[buf->size] = '\0'; + } +} + +void cmark_strbuf_rtrim(cmark_strbuf *buf) { + if (!buf->size) + return; + + while (buf->size > 0) { + if (!cmark_isspace(buf->ptr[buf->size - 1])) + break; + + buf->size--; + } + + buf->ptr[buf->size] = '\0'; +} + +void cmark_strbuf_trim(cmark_strbuf *buf) { + bufsize_t i = 0; + + if (!buf->size) + return; + + while (i < buf->size && cmark_isspace(buf->ptr[i])) + i++; + + cmark_strbuf_drop(buf, i); + + cmark_strbuf_rtrim(buf); +} + +// Destructively modify string, collapsing consecutive +// space and newline characters into a single space. +void cmark_strbuf_normalize_whitespace(cmark_strbuf *s) { + bool last_char_was_space = false; + bufsize_t r, w; + + for (r = 0, w = 0; r < s->size; ++r) { + if (cmark_isspace(s->ptr[r])) { + if (!last_char_was_space) { + s->ptr[w++] = ' '; + last_char_was_space = true; + } + } else { + s->ptr[w++] = s->ptr[r]; + last_char_was_space = false; + } + } + + cmark_strbuf_truncate(s, w); +} + +// Destructively unescape a string: remove backslashes before punctuation chars. +extern void cmark_strbuf_unescape(cmark_strbuf *buf) { + bufsize_t r, w; + + for (r = 0, w = 0; r < buf->size; ++r) { + if (buf->ptr[r] == '\\' && cmark_ispunct(buf->ptr[r + 1])) + r++; + + buf->ptr[w++] = buf->ptr[r]; + } + + cmark_strbuf_truncate(buf, w); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/case_fold_switch.inc b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/case_fold_switch.inc new file mode 100644 index 0000000000..28e223e14d --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/case_fold_switch.inc @@ -0,0 +1,4327 @@ + switch (c) { + case 0x0041: + bufpush(0x0061); + break; + case 0x0042: + bufpush(0x0062); + break; + case 0x0043: + bufpush(0x0063); + break; + case 0x0044: + bufpush(0x0064); + break; + case 0x0045: + bufpush(0x0065); + break; + case 0x0046: + bufpush(0x0066); + break; + case 0x0047: + bufpush(0x0067); + break; + case 0x0048: + bufpush(0x0068); + break; + case 0x0049: + bufpush(0x0069); + break; + case 0x004A: + bufpush(0x006A); + break; + case 0x004B: + bufpush(0x006B); + break; + case 0x004C: + bufpush(0x006C); + break; + case 0x004D: + bufpush(0x006D); + break; + case 0x004E: + bufpush(0x006E); + break; + case 0x004F: + bufpush(0x006F); + break; + case 0x0050: + bufpush(0x0070); + break; + case 0x0051: + bufpush(0x0071); + break; + case 0x0052: + bufpush(0x0072); + break; + case 0x0053: + bufpush(0x0073); + break; + case 0x0054: + bufpush(0x0074); + break; + case 0x0055: + bufpush(0x0075); + break; + case 0x0056: + bufpush(0x0076); + break; + case 0x0057: + bufpush(0x0077); + break; + case 0x0058: + bufpush(0x0078); + break; + case 0x0059: + bufpush(0x0079); + break; + case 0x005A: + bufpush(0x007A); + break; + case 0x00B5: + bufpush(0x03BC); + break; + case 0x00C0: + bufpush(0x00E0); + break; + case 0x00C1: + bufpush(0x00E1); + break; + case 0x00C2: + bufpush(0x00E2); + break; + case 0x00C3: + bufpush(0x00E3); + break; + case 0x00C4: + bufpush(0x00E4); + break; + case 0x00C5: + bufpush(0x00E5); + break; + case 0x00C6: + bufpush(0x00E6); + break; + case 0x00C7: + bufpush(0x00E7); + break; + case 0x00C8: + bufpush(0x00E8); + break; + case 0x00C9: + bufpush(0x00E9); + break; + case 0x00CA: + bufpush(0x00EA); + break; + case 0x00CB: + bufpush(0x00EB); + break; + case 0x00CC: + bufpush(0x00EC); + break; + case 0x00CD: + bufpush(0x00ED); + break; + case 0x00CE: + bufpush(0x00EE); + break; + case 0x00CF: + bufpush(0x00EF); + break; + case 0x00D0: + bufpush(0x00F0); + break; + case 0x00D1: + bufpush(0x00F1); + break; + case 0x00D2: + bufpush(0x00F2); + break; + case 0x00D3: + bufpush(0x00F3); + break; + case 0x00D4: + bufpush(0x00F4); + break; + case 0x00D5: + bufpush(0x00F5); + break; + case 0x00D6: + bufpush(0x00F6); + break; + case 0x00D8: + bufpush(0x00F8); + break; + case 0x00D9: + bufpush(0x00F9); + break; + case 0x00DA: + bufpush(0x00FA); + break; + case 0x00DB: + bufpush(0x00FB); + break; + case 0x00DC: + bufpush(0x00FC); + break; + case 0x00DD: + bufpush(0x00FD); + break; + case 0x00DE: + bufpush(0x00FE); + break; + case 0x00DF: + bufpush(0x0073); + bufpush(0x0073); + break; + case 0x0100: + bufpush(0x0101); + break; + case 0x0102: + bufpush(0x0103); + break; + case 0x0104: + bufpush(0x0105); + break; + case 0x0106: + bufpush(0x0107); + break; + case 0x0108: + bufpush(0x0109); + break; + case 0x010A: + bufpush(0x010B); + break; + case 0x010C: + bufpush(0x010D); + break; + case 0x010E: + bufpush(0x010F); + break; + case 0x0110: + bufpush(0x0111); + break; + case 0x0112: + bufpush(0x0113); + break; + case 0x0114: + bufpush(0x0115); + break; + case 0x0116: + bufpush(0x0117); + break; + case 0x0118: + bufpush(0x0119); + break; + case 0x011A: + bufpush(0x011B); + break; + case 0x011C: + bufpush(0x011D); + break; + case 0x011E: + bufpush(0x011F); + break; + case 0x0120: + bufpush(0x0121); + break; + case 0x0122: + bufpush(0x0123); + break; + case 0x0124: + bufpush(0x0125); + break; + case 0x0126: + bufpush(0x0127); + break; + case 0x0128: + bufpush(0x0129); + break; + case 0x012A: + bufpush(0x012B); + break; + case 0x012C: + bufpush(0x012D); + break; + case 0x012E: + bufpush(0x012F); + break; + case 0x0130: + bufpush(0x0069); + bufpush(0x0307); + break; + case 0x0132: + bufpush(0x0133); + break; + case 0x0134: + bufpush(0x0135); + break; + case 0x0136: + bufpush(0x0137); + break; + case 0x0139: + bufpush(0x013A); + break; + case 0x013B: + bufpush(0x013C); + break; + case 0x013D: + bufpush(0x013E); + break; + case 0x013F: + bufpush(0x0140); + break; + case 0x0141: + bufpush(0x0142); + break; + case 0x0143: + bufpush(0x0144); + break; + case 0x0145: + bufpush(0x0146); + break; + case 0x0147: + bufpush(0x0148); + break; + case 0x0149: + bufpush(0x02BC); + bufpush(0x006E); + break; + case 0x014A: + bufpush(0x014B); + break; + case 0x014C: + bufpush(0x014D); + break; + case 0x014E: + bufpush(0x014F); + break; + case 0x0150: + bufpush(0x0151); + break; + case 0x0152: + bufpush(0x0153); + break; + case 0x0154: + bufpush(0x0155); + break; + case 0x0156: + bufpush(0x0157); + break; + case 0x0158: + bufpush(0x0159); + break; + case 0x015A: + bufpush(0x015B); + break; + case 0x015C: + bufpush(0x015D); + break; + case 0x015E: + bufpush(0x015F); + break; + case 0x0160: + bufpush(0x0161); + break; + case 0x0162: + bufpush(0x0163); + break; + case 0x0164: + bufpush(0x0165); + break; + case 0x0166: + bufpush(0x0167); + break; + case 0x0168: + bufpush(0x0169); + break; + case 0x016A: + bufpush(0x016B); + break; + case 0x016C: + bufpush(0x016D); + break; + case 0x016E: + bufpush(0x016F); + break; + case 0x0170: + bufpush(0x0171); + break; + case 0x0172: + bufpush(0x0173); + break; + case 0x0174: + bufpush(0x0175); + break; + case 0x0176: + bufpush(0x0177); + break; + case 0x0178: + bufpush(0x00FF); + break; + case 0x0179: + bufpush(0x017A); + break; + case 0x017B: + bufpush(0x017C); + break; + case 0x017D: + bufpush(0x017E); + break; + case 0x017F: + bufpush(0x0073); + break; + case 0x0181: + bufpush(0x0253); + break; + case 0x0182: + bufpush(0x0183); + break; + case 0x0184: + bufpush(0x0185); + break; + case 0x0186: + bufpush(0x0254); + break; + case 0x0187: + bufpush(0x0188); + break; + case 0x0189: + bufpush(0x0256); + break; + case 0x018A: + bufpush(0x0257); + break; + case 0x018B: + bufpush(0x018C); + break; + case 0x018E: + bufpush(0x01DD); + break; + case 0x018F: + bufpush(0x0259); + break; + case 0x0190: + bufpush(0x025B); + break; + case 0x0191: + bufpush(0x0192); + break; + case 0x0193: + bufpush(0x0260); + break; + case 0x0194: + bufpush(0x0263); + break; + case 0x0196: + bufpush(0x0269); + break; + case 0x0197: + bufpush(0x0268); + break; + case 0x0198: + bufpush(0x0199); + break; + case 0x019C: + bufpush(0x026F); + break; + case 0x019D: + bufpush(0x0272); + break; + case 0x019F: + bufpush(0x0275); + break; + case 0x01A0: + bufpush(0x01A1); + break; + case 0x01A2: + bufpush(0x01A3); + break; + case 0x01A4: + bufpush(0x01A5); + break; + case 0x01A6: + bufpush(0x0280); + break; + case 0x01A7: + bufpush(0x01A8); + break; + case 0x01A9: + bufpush(0x0283); + break; + case 0x01AC: + bufpush(0x01AD); + break; + case 0x01AE: + bufpush(0x0288); + break; + case 0x01AF: + bufpush(0x01B0); + break; + case 0x01B1: + bufpush(0x028A); + break; + case 0x01B2: + bufpush(0x028B); + break; + case 0x01B3: + bufpush(0x01B4); + break; + case 0x01B5: + bufpush(0x01B6); + break; + case 0x01B7: + bufpush(0x0292); + break; + case 0x01B8: + bufpush(0x01B9); + break; + case 0x01BC: + bufpush(0x01BD); + break; + case 0x01C4: + bufpush(0x01C6); + break; + case 0x01C5: + bufpush(0x01C6); + break; + case 0x01C7: + bufpush(0x01C9); + break; + case 0x01C8: + bufpush(0x01C9); + break; + case 0x01CA: + bufpush(0x01CC); + break; + case 0x01CB: + bufpush(0x01CC); + break; + case 0x01CD: + bufpush(0x01CE); + break; + case 0x01CF: + bufpush(0x01D0); + break; + case 0x01D1: + bufpush(0x01D2); + break; + case 0x01D3: + bufpush(0x01D4); + break; + case 0x01D5: + bufpush(0x01D6); + break; + case 0x01D7: + bufpush(0x01D8); + break; + case 0x01D9: + bufpush(0x01DA); + break; + case 0x01DB: + bufpush(0x01DC); + break; + case 0x01DE: + bufpush(0x01DF); + break; + case 0x01E0: + bufpush(0x01E1); + break; + case 0x01E2: + bufpush(0x01E3); + break; + case 0x01E4: + bufpush(0x01E5); + break; + case 0x01E6: + bufpush(0x01E7); + break; + case 0x01E8: + bufpush(0x01E9); + break; + case 0x01EA: + bufpush(0x01EB); + break; + case 0x01EC: + bufpush(0x01ED); + break; + case 0x01EE: + bufpush(0x01EF); + break; + case 0x01F0: + bufpush(0x006A); + bufpush(0x030C); + break; + case 0x01F1: + bufpush(0x01F3); + break; + case 0x01F2: + bufpush(0x01F3); + break; + case 0x01F4: + bufpush(0x01F5); + break; + case 0x01F6: + bufpush(0x0195); + break; + case 0x01F7: + bufpush(0x01BF); + break; + case 0x01F8: + bufpush(0x01F9); + break; + case 0x01FA: + bufpush(0x01FB); + break; + case 0x01FC: + bufpush(0x01FD); + break; + case 0x01FE: + bufpush(0x01FF); + break; + case 0x0200: + bufpush(0x0201); + break; + case 0x0202: + bufpush(0x0203); + break; + case 0x0204: + bufpush(0x0205); + break; + case 0x0206: + bufpush(0x0207); + break; + case 0x0208: + bufpush(0x0209); + break; + case 0x020A: + bufpush(0x020B); + break; + case 0x020C: + bufpush(0x020D); + break; + case 0x020E: + bufpush(0x020F); + break; + case 0x0210: + bufpush(0x0211); + break; + case 0x0212: + bufpush(0x0213); + break; + case 0x0214: + bufpush(0x0215); + break; + case 0x0216: + bufpush(0x0217); + break; + case 0x0218: + bufpush(0x0219); + break; + case 0x021A: + bufpush(0x021B); + break; + case 0x021C: + bufpush(0x021D); + break; + case 0x021E: + bufpush(0x021F); + break; + case 0x0220: + bufpush(0x019E); + break; + case 0x0222: + bufpush(0x0223); + break; + case 0x0224: + bufpush(0x0225); + break; + case 0x0226: + bufpush(0x0227); + break; + case 0x0228: + bufpush(0x0229); + break; + case 0x022A: + bufpush(0x022B); + break; + case 0x022C: + bufpush(0x022D); + break; + case 0x022E: + bufpush(0x022F); + break; + case 0x0230: + bufpush(0x0231); + break; + case 0x0232: + bufpush(0x0233); + break; + case 0x023A: + bufpush(0x2C65); + break; + case 0x023B: + bufpush(0x023C); + break; + case 0x023D: + bufpush(0x019A); + break; + case 0x023E: + bufpush(0x2C66); + break; + case 0x0241: + bufpush(0x0242); + break; + case 0x0243: + bufpush(0x0180); + break; + case 0x0244: + bufpush(0x0289); + break; + case 0x0245: + bufpush(0x028C); + break; + case 0x0246: + bufpush(0x0247); + break; + case 0x0248: + bufpush(0x0249); + break; + case 0x024A: + bufpush(0x024B); + break; + case 0x024C: + bufpush(0x024D); + break; + case 0x024E: + bufpush(0x024F); + break; + case 0x0345: + bufpush(0x03B9); + break; + case 0x0370: + bufpush(0x0371); + break; + case 0x0372: + bufpush(0x0373); + break; + case 0x0376: + bufpush(0x0377); + break; + case 0x037F: + bufpush(0x03F3); + break; + case 0x0386: + bufpush(0x03AC); + break; + case 0x0388: + bufpush(0x03AD); + break; + case 0x0389: + bufpush(0x03AE); + break; + case 0x038A: + bufpush(0x03AF); + break; + case 0x038C: + bufpush(0x03CC); + break; + case 0x038E: + bufpush(0x03CD); + break; + case 0x038F: + bufpush(0x03CE); + break; + case 0x0390: + bufpush(0x03B9); + bufpush(0x0308); + bufpush(0x0301); + break; + case 0x0391: + bufpush(0x03B1); + break; + case 0x0392: + bufpush(0x03B2); + break; + case 0x0393: + bufpush(0x03B3); + break; + case 0x0394: + bufpush(0x03B4); + break; + case 0x0395: + bufpush(0x03B5); + break; + case 0x0396: + bufpush(0x03B6); + break; + case 0x0397: + bufpush(0x03B7); + break; + case 0x0398: + bufpush(0x03B8); + break; + case 0x0399: + bufpush(0x03B9); + break; + case 0x039A: + bufpush(0x03BA); + break; + case 0x039B: + bufpush(0x03BB); + break; + case 0x039C: + bufpush(0x03BC); + break; + case 0x039D: + bufpush(0x03BD); + break; + case 0x039E: + bufpush(0x03BE); + break; + case 0x039F: + bufpush(0x03BF); + break; + case 0x03A0: + bufpush(0x03C0); + break; + case 0x03A1: + bufpush(0x03C1); + break; + case 0x03A3: + bufpush(0x03C3); + break; + case 0x03A4: + bufpush(0x03C4); + break; + case 0x03A5: + bufpush(0x03C5); + break; + case 0x03A6: + bufpush(0x03C6); + break; + case 0x03A7: + bufpush(0x03C7); + break; + case 0x03A8: + bufpush(0x03C8); + break; + case 0x03A9: + bufpush(0x03C9); + break; + case 0x03AA: + bufpush(0x03CA); + break; + case 0x03AB: + bufpush(0x03CB); + break; + case 0x03B0: + bufpush(0x03C5); + bufpush(0x0308); + bufpush(0x0301); + break; + case 0x03C2: + bufpush(0x03C3); + break; + case 0x03CF: + bufpush(0x03D7); + break; + case 0x03D0: + bufpush(0x03B2); + break; + case 0x03D1: + bufpush(0x03B8); + break; + case 0x03D5: + bufpush(0x03C6); + break; + case 0x03D6: + bufpush(0x03C0); + break; + case 0x03D8: + bufpush(0x03D9); + break; + case 0x03DA: + bufpush(0x03DB); + break; + case 0x03DC: + bufpush(0x03DD); + break; + case 0x03DE: + bufpush(0x03DF); + break; + case 0x03E0: + bufpush(0x03E1); + break; + case 0x03E2: + bufpush(0x03E3); + break; + case 0x03E4: + bufpush(0x03E5); + break; + case 0x03E6: + bufpush(0x03E7); + break; + case 0x03E8: + bufpush(0x03E9); + break; + case 0x03EA: + bufpush(0x03EB); + break; + case 0x03EC: + bufpush(0x03ED); + break; + case 0x03EE: + bufpush(0x03EF); + break; + case 0x03F0: + bufpush(0x03BA); + break; + case 0x03F1: + bufpush(0x03C1); + break; + case 0x03F4: + bufpush(0x03B8); + break; + case 0x03F5: + bufpush(0x03B5); + break; + case 0x03F7: + bufpush(0x03F8); + break; + case 0x03F9: + bufpush(0x03F2); + break; + case 0x03FA: + bufpush(0x03FB); + break; + case 0x03FD: + bufpush(0x037B); + break; + case 0x03FE: + bufpush(0x037C); + break; + case 0x03FF: + bufpush(0x037D); + break; + case 0x0400: + bufpush(0x0450); + break; + case 0x0401: + bufpush(0x0451); + break; + case 0x0402: + bufpush(0x0452); + break; + case 0x0403: + bufpush(0x0453); + break; + case 0x0404: + bufpush(0x0454); + break; + case 0x0405: + bufpush(0x0455); + break; + case 0x0406: + bufpush(0x0456); + break; + case 0x0407: + bufpush(0x0457); + break; + case 0x0408: + bufpush(0x0458); + break; + case 0x0409: + bufpush(0x0459); + break; + case 0x040A: + bufpush(0x045A); + break; + case 0x040B: + bufpush(0x045B); + break; + case 0x040C: + bufpush(0x045C); + break; + case 0x040D: + bufpush(0x045D); + break; + case 0x040E: + bufpush(0x045E); + break; + case 0x040F: + bufpush(0x045F); + break; + case 0x0410: + bufpush(0x0430); + break; + case 0x0411: + bufpush(0x0431); + break; + case 0x0412: + bufpush(0x0432); + break; + case 0x0413: + bufpush(0x0433); + break; + case 0x0414: + bufpush(0x0434); + break; + case 0x0415: + bufpush(0x0435); + break; + case 0x0416: + bufpush(0x0436); + break; + case 0x0417: + bufpush(0x0437); + break; + case 0x0418: + bufpush(0x0438); + break; + case 0x0419: + bufpush(0x0439); + break; + case 0x041A: + bufpush(0x043A); + break; + case 0x041B: + bufpush(0x043B); + break; + case 0x041C: + bufpush(0x043C); + break; + case 0x041D: + bufpush(0x043D); + break; + case 0x041E: + bufpush(0x043E); + break; + case 0x041F: + bufpush(0x043F); + break; + case 0x0420: + bufpush(0x0440); + break; + case 0x0421: + bufpush(0x0441); + break; + case 0x0422: + bufpush(0x0442); + break; + case 0x0423: + bufpush(0x0443); + break; + case 0x0424: + bufpush(0x0444); + break; + case 0x0425: + bufpush(0x0445); + break; + case 0x0426: + bufpush(0x0446); + break; + case 0x0427: + bufpush(0x0447); + break; + case 0x0428: + bufpush(0x0448); + break; + case 0x0429: + bufpush(0x0449); + break; + case 0x042A: + bufpush(0x044A); + break; + case 0x042B: + bufpush(0x044B); + break; + case 0x042C: + bufpush(0x044C); + break; + case 0x042D: + bufpush(0x044D); + break; + case 0x042E: + bufpush(0x044E); + break; + case 0x042F: + bufpush(0x044F); + break; + case 0x0460: + bufpush(0x0461); + break; + case 0x0462: + bufpush(0x0463); + break; + case 0x0464: + bufpush(0x0465); + break; + case 0x0466: + bufpush(0x0467); + break; + case 0x0468: + bufpush(0x0469); + break; + case 0x046A: + bufpush(0x046B); + break; + case 0x046C: + bufpush(0x046D); + break; + case 0x046E: + bufpush(0x046F); + break; + case 0x0470: + bufpush(0x0471); + break; + case 0x0472: + bufpush(0x0473); + break; + case 0x0474: + bufpush(0x0475); + break; + case 0x0476: + bufpush(0x0477); + break; + case 0x0478: + bufpush(0x0479); + break; + case 0x047A: + bufpush(0x047B); + break; + case 0x047C: + bufpush(0x047D); + break; + case 0x047E: + bufpush(0x047F); + break; + case 0x0480: + bufpush(0x0481); + break; + case 0x048A: + bufpush(0x048B); + break; + case 0x048C: + bufpush(0x048D); + break; + case 0x048E: + bufpush(0x048F); + break; + case 0x0490: + bufpush(0x0491); + break; + case 0x0492: + bufpush(0x0493); + break; + case 0x0494: + bufpush(0x0495); + break; + case 0x0496: + bufpush(0x0497); + break; + case 0x0498: + bufpush(0x0499); + break; + case 0x049A: + bufpush(0x049B); + break; + case 0x049C: + bufpush(0x049D); + break; + case 0x049E: + bufpush(0x049F); + break; + case 0x04A0: + bufpush(0x04A1); + break; + case 0x04A2: + bufpush(0x04A3); + break; + case 0x04A4: + bufpush(0x04A5); + break; + case 0x04A6: + bufpush(0x04A7); + break; + case 0x04A8: + bufpush(0x04A9); + break; + case 0x04AA: + bufpush(0x04AB); + break; + case 0x04AC: + bufpush(0x04AD); + break; + case 0x04AE: + bufpush(0x04AF); + break; + case 0x04B0: + bufpush(0x04B1); + break; + case 0x04B2: + bufpush(0x04B3); + break; + case 0x04B4: + bufpush(0x04B5); + break; + case 0x04B6: + bufpush(0x04B7); + break; + case 0x04B8: + bufpush(0x04B9); + break; + case 0x04BA: + bufpush(0x04BB); + break; + case 0x04BC: + bufpush(0x04BD); + break; + case 0x04BE: + bufpush(0x04BF); + break; + case 0x04C0: + bufpush(0x04CF); + break; + case 0x04C1: + bufpush(0x04C2); + break; + case 0x04C3: + bufpush(0x04C4); + break; + case 0x04C5: + bufpush(0x04C6); + break; + case 0x04C7: + bufpush(0x04C8); + break; + case 0x04C9: + bufpush(0x04CA); + break; + case 0x04CB: + bufpush(0x04CC); + break; + case 0x04CD: + bufpush(0x04CE); + break; + case 0x04D0: + bufpush(0x04D1); + break; + case 0x04D2: + bufpush(0x04D3); + break; + case 0x04D4: + bufpush(0x04D5); + break; + case 0x04D6: + bufpush(0x04D7); + break; + case 0x04D8: + bufpush(0x04D9); + break; + case 0x04DA: + bufpush(0x04DB); + break; + case 0x04DC: + bufpush(0x04DD); + break; + case 0x04DE: + bufpush(0x04DF); + break; + case 0x04E0: + bufpush(0x04E1); + break; + case 0x04E2: + bufpush(0x04E3); + break; + case 0x04E4: + bufpush(0x04E5); + break; + case 0x04E6: + bufpush(0x04E7); + break; + case 0x04E8: + bufpush(0x04E9); + break; + case 0x04EA: + bufpush(0x04EB); + break; + case 0x04EC: + bufpush(0x04ED); + break; + case 0x04EE: + bufpush(0x04EF); + break; + case 0x04F0: + bufpush(0x04F1); + break; + case 0x04F2: + bufpush(0x04F3); + break; + case 0x04F4: + bufpush(0x04F5); + break; + case 0x04F6: + bufpush(0x04F7); + break; + case 0x04F8: + bufpush(0x04F9); + break; + case 0x04FA: + bufpush(0x04FB); + break; + case 0x04FC: + bufpush(0x04FD); + break; + case 0x04FE: + bufpush(0x04FF); + break; + case 0x0500: + bufpush(0x0501); + break; + case 0x0502: + bufpush(0x0503); + break; + case 0x0504: + bufpush(0x0505); + break; + case 0x0506: + bufpush(0x0507); + break; + case 0x0508: + bufpush(0x0509); + break; + case 0x050A: + bufpush(0x050B); + break; + case 0x050C: + bufpush(0x050D); + break; + case 0x050E: + bufpush(0x050F); + break; + case 0x0510: + bufpush(0x0511); + break; + case 0x0512: + bufpush(0x0513); + break; + case 0x0514: + bufpush(0x0515); + break; + case 0x0516: + bufpush(0x0517); + break; + case 0x0518: + bufpush(0x0519); + break; + case 0x051A: + bufpush(0x051B); + break; + case 0x051C: + bufpush(0x051D); + break; + case 0x051E: + bufpush(0x051F); + break; + case 0x0520: + bufpush(0x0521); + break; + case 0x0522: + bufpush(0x0523); + break; + case 0x0524: + bufpush(0x0525); + break; + case 0x0526: + bufpush(0x0527); + break; + case 0x0528: + bufpush(0x0529); + break; + case 0x052A: + bufpush(0x052B); + break; + case 0x052C: + bufpush(0x052D); + break; + case 0x052E: + bufpush(0x052F); + break; + case 0x0531: + bufpush(0x0561); + break; + case 0x0532: + bufpush(0x0562); + break; + case 0x0533: + bufpush(0x0563); + break; + case 0x0534: + bufpush(0x0564); + break; + case 0x0535: + bufpush(0x0565); + break; + case 0x0536: + bufpush(0x0566); + break; + case 0x0537: + bufpush(0x0567); + break; + case 0x0538: + bufpush(0x0568); + break; + case 0x0539: + bufpush(0x0569); + break; + case 0x053A: + bufpush(0x056A); + break; + case 0x053B: + bufpush(0x056B); + break; + case 0x053C: + bufpush(0x056C); + break; + case 0x053D: + bufpush(0x056D); + break; + case 0x053E: + bufpush(0x056E); + break; + case 0x053F: + bufpush(0x056F); + break; + case 0x0540: + bufpush(0x0570); + break; + case 0x0541: + bufpush(0x0571); + break; + case 0x0542: + bufpush(0x0572); + break; + case 0x0543: + bufpush(0x0573); + break; + case 0x0544: + bufpush(0x0574); + break; + case 0x0545: + bufpush(0x0575); + break; + case 0x0546: + bufpush(0x0576); + break; + case 0x0547: + bufpush(0x0577); + break; + case 0x0548: + bufpush(0x0578); + break; + case 0x0549: + bufpush(0x0579); + break; + case 0x054A: + bufpush(0x057A); + break; + case 0x054B: + bufpush(0x057B); + break; + case 0x054C: + bufpush(0x057C); + break; + case 0x054D: + bufpush(0x057D); + break; + case 0x054E: + bufpush(0x057E); + break; + case 0x054F: + bufpush(0x057F); + break; + case 0x0550: + bufpush(0x0580); + break; + case 0x0551: + bufpush(0x0581); + break; + case 0x0552: + bufpush(0x0582); + break; + case 0x0553: + bufpush(0x0583); + break; + case 0x0554: + bufpush(0x0584); + break; + case 0x0555: + bufpush(0x0585); + break; + case 0x0556: + bufpush(0x0586); + break; + case 0x0587: + bufpush(0x0565); + bufpush(0x0582); + break; + case 0x10A0: + bufpush(0x2D00); + break; + case 0x10A1: + bufpush(0x2D01); + break; + case 0x10A2: + bufpush(0x2D02); + break; + case 0x10A3: + bufpush(0x2D03); + break; + case 0x10A4: + bufpush(0x2D04); + break; + case 0x10A5: + bufpush(0x2D05); + break; + case 0x10A6: + bufpush(0x2D06); + break; + case 0x10A7: + bufpush(0x2D07); + break; + case 0x10A8: + bufpush(0x2D08); + break; + case 0x10A9: + bufpush(0x2D09); + break; + case 0x10AA: + bufpush(0x2D0A); + break; + case 0x10AB: + bufpush(0x2D0B); + break; + case 0x10AC: + bufpush(0x2D0C); + break; + case 0x10AD: + bufpush(0x2D0D); + break; + case 0x10AE: + bufpush(0x2D0E); + break; + case 0x10AF: + bufpush(0x2D0F); + break; + case 0x10B0: + bufpush(0x2D10); + break; + case 0x10B1: + bufpush(0x2D11); + break; + case 0x10B2: + bufpush(0x2D12); + break; + case 0x10B3: + bufpush(0x2D13); + break; + case 0x10B4: + bufpush(0x2D14); + break; + case 0x10B5: + bufpush(0x2D15); + break; + case 0x10B6: + bufpush(0x2D16); + break; + case 0x10B7: + bufpush(0x2D17); + break; + case 0x10B8: + bufpush(0x2D18); + break; + case 0x10B9: + bufpush(0x2D19); + break; + case 0x10BA: + bufpush(0x2D1A); + break; + case 0x10BB: + bufpush(0x2D1B); + break; + case 0x10BC: + bufpush(0x2D1C); + break; + case 0x10BD: + bufpush(0x2D1D); + break; + case 0x10BE: + bufpush(0x2D1E); + break; + case 0x10BF: + bufpush(0x2D1F); + break; + case 0x10C0: + bufpush(0x2D20); + break; + case 0x10C1: + bufpush(0x2D21); + break; + case 0x10C2: + bufpush(0x2D22); + break; + case 0x10C3: + bufpush(0x2D23); + break; + case 0x10C4: + bufpush(0x2D24); + break; + case 0x10C5: + bufpush(0x2D25); + break; + case 0x10C7: + bufpush(0x2D27); + break; + case 0x10CD: + bufpush(0x2D2D); + break; + case 0x13F8: + bufpush(0x13F0); + break; + case 0x13F9: + bufpush(0x13F1); + break; + case 0x13FA: + bufpush(0x13F2); + break; + case 0x13FB: + bufpush(0x13F3); + break; + case 0x13FC: + bufpush(0x13F4); + break; + case 0x13FD: + bufpush(0x13F5); + break; + case 0x1C80: + bufpush(0x0432); + break; + case 0x1C81: + bufpush(0x0434); + break; + case 0x1C82: + bufpush(0x043E); + break; + case 0x1C83: + bufpush(0x0441); + break; + case 0x1C84: + bufpush(0x0442); + break; + case 0x1C85: + bufpush(0x0442); + break; + case 0x1C86: + bufpush(0x044A); + break; + case 0x1C87: + bufpush(0x0463); + break; + case 0x1C88: + bufpush(0xA64B); + break; + case 0x1E00: + bufpush(0x1E01); + break; + case 0x1E02: + bufpush(0x1E03); + break; + case 0x1E04: + bufpush(0x1E05); + break; + case 0x1E06: + bufpush(0x1E07); + break; + case 0x1E08: + bufpush(0x1E09); + break; + case 0x1E0A: + bufpush(0x1E0B); + break; + case 0x1E0C: + bufpush(0x1E0D); + break; + case 0x1E0E: + bufpush(0x1E0F); + break; + case 0x1E10: + bufpush(0x1E11); + break; + case 0x1E12: + bufpush(0x1E13); + break; + case 0x1E14: + bufpush(0x1E15); + break; + case 0x1E16: + bufpush(0x1E17); + break; + case 0x1E18: + bufpush(0x1E19); + break; + case 0x1E1A: + bufpush(0x1E1B); + break; + case 0x1E1C: + bufpush(0x1E1D); + break; + case 0x1E1E: + bufpush(0x1E1F); + break; + case 0x1E20: + bufpush(0x1E21); + break; + case 0x1E22: + bufpush(0x1E23); + break; + case 0x1E24: + bufpush(0x1E25); + break; + case 0x1E26: + bufpush(0x1E27); + break; + case 0x1E28: + bufpush(0x1E29); + break; + case 0x1E2A: + bufpush(0x1E2B); + break; + case 0x1E2C: + bufpush(0x1E2D); + break; + case 0x1E2E: + bufpush(0x1E2F); + break; + case 0x1E30: + bufpush(0x1E31); + break; + case 0x1E32: + bufpush(0x1E33); + break; + case 0x1E34: + bufpush(0x1E35); + break; + case 0x1E36: + bufpush(0x1E37); + break; + case 0x1E38: + bufpush(0x1E39); + break; + case 0x1E3A: + bufpush(0x1E3B); + break; + case 0x1E3C: + bufpush(0x1E3D); + break; + case 0x1E3E: + bufpush(0x1E3F); + break; + case 0x1E40: + bufpush(0x1E41); + break; + case 0x1E42: + bufpush(0x1E43); + break; + case 0x1E44: + bufpush(0x1E45); + break; + case 0x1E46: + bufpush(0x1E47); + break; + case 0x1E48: + bufpush(0x1E49); + break; + case 0x1E4A: + bufpush(0x1E4B); + break; + case 0x1E4C: + bufpush(0x1E4D); + break; + case 0x1E4E: + bufpush(0x1E4F); + break; + case 0x1E50: + bufpush(0x1E51); + break; + case 0x1E52: + bufpush(0x1E53); + break; + case 0x1E54: + bufpush(0x1E55); + break; + case 0x1E56: + bufpush(0x1E57); + break; + case 0x1E58: + bufpush(0x1E59); + break; + case 0x1E5A: + bufpush(0x1E5B); + break; + case 0x1E5C: + bufpush(0x1E5D); + break; + case 0x1E5E: + bufpush(0x1E5F); + break; + case 0x1E60: + bufpush(0x1E61); + break; + case 0x1E62: + bufpush(0x1E63); + break; + case 0x1E64: + bufpush(0x1E65); + break; + case 0x1E66: + bufpush(0x1E67); + break; + case 0x1E68: + bufpush(0x1E69); + break; + case 0x1E6A: + bufpush(0x1E6B); + break; + case 0x1E6C: + bufpush(0x1E6D); + break; + case 0x1E6E: + bufpush(0x1E6F); + break; + case 0x1E70: + bufpush(0x1E71); + break; + case 0x1E72: + bufpush(0x1E73); + break; + case 0x1E74: + bufpush(0x1E75); + break; + case 0x1E76: + bufpush(0x1E77); + break; + case 0x1E78: + bufpush(0x1E79); + break; + case 0x1E7A: + bufpush(0x1E7B); + break; + case 0x1E7C: + bufpush(0x1E7D); + break; + case 0x1E7E: + bufpush(0x1E7F); + break; + case 0x1E80: + bufpush(0x1E81); + break; + case 0x1E82: + bufpush(0x1E83); + break; + case 0x1E84: + bufpush(0x1E85); + break; + case 0x1E86: + bufpush(0x1E87); + break; + case 0x1E88: + bufpush(0x1E89); + break; + case 0x1E8A: + bufpush(0x1E8B); + break; + case 0x1E8C: + bufpush(0x1E8D); + break; + case 0x1E8E: + bufpush(0x1E8F); + break; + case 0x1E90: + bufpush(0x1E91); + break; + case 0x1E92: + bufpush(0x1E93); + break; + case 0x1E94: + bufpush(0x1E95); + break; + case 0x1E96: + bufpush(0x0068); + bufpush(0x0331); + break; + case 0x1E97: + bufpush(0x0074); + bufpush(0x0308); + break; + case 0x1E98: + bufpush(0x0077); + bufpush(0x030A); + break; + case 0x1E99: + bufpush(0x0079); + bufpush(0x030A); + break; + case 0x1E9A: + bufpush(0x0061); + bufpush(0x02BE); + break; + case 0x1E9B: + bufpush(0x1E61); + break; + case 0x1E9E: + bufpush(0x0073); + bufpush(0x0073); + break; + case 0x1EA0: + bufpush(0x1EA1); + break; + case 0x1EA2: + bufpush(0x1EA3); + break; + case 0x1EA4: + bufpush(0x1EA5); + break; + case 0x1EA6: + bufpush(0x1EA7); + break; + case 0x1EA8: + bufpush(0x1EA9); + break; + case 0x1EAA: + bufpush(0x1EAB); + break; + case 0x1EAC: + bufpush(0x1EAD); + break; + case 0x1EAE: + bufpush(0x1EAF); + break; + case 0x1EB0: + bufpush(0x1EB1); + break; + case 0x1EB2: + bufpush(0x1EB3); + break; + case 0x1EB4: + bufpush(0x1EB5); + break; + case 0x1EB6: + bufpush(0x1EB7); + break; + case 0x1EB8: + bufpush(0x1EB9); + break; + case 0x1EBA: + bufpush(0x1EBB); + break; + case 0x1EBC: + bufpush(0x1EBD); + break; + case 0x1EBE: + bufpush(0x1EBF); + break; + case 0x1EC0: + bufpush(0x1EC1); + break; + case 0x1EC2: + bufpush(0x1EC3); + break; + case 0x1EC4: + bufpush(0x1EC5); + break; + case 0x1EC6: + bufpush(0x1EC7); + break; + case 0x1EC8: + bufpush(0x1EC9); + break; + case 0x1ECA: + bufpush(0x1ECB); + break; + case 0x1ECC: + bufpush(0x1ECD); + break; + case 0x1ECE: + bufpush(0x1ECF); + break; + case 0x1ED0: + bufpush(0x1ED1); + break; + case 0x1ED2: + bufpush(0x1ED3); + break; + case 0x1ED4: + bufpush(0x1ED5); + break; + case 0x1ED6: + bufpush(0x1ED7); + break; + case 0x1ED8: + bufpush(0x1ED9); + break; + case 0x1EDA: + bufpush(0x1EDB); + break; + case 0x1EDC: + bufpush(0x1EDD); + break; + case 0x1EDE: + bufpush(0x1EDF); + break; + case 0x1EE0: + bufpush(0x1EE1); + break; + case 0x1EE2: + bufpush(0x1EE3); + break; + case 0x1EE4: + bufpush(0x1EE5); + break; + case 0x1EE6: + bufpush(0x1EE7); + break; + case 0x1EE8: + bufpush(0x1EE9); + break; + case 0x1EEA: + bufpush(0x1EEB); + break; + case 0x1EEC: + bufpush(0x1EED); + break; + case 0x1EEE: + bufpush(0x1EEF); + break; + case 0x1EF0: + bufpush(0x1EF1); + break; + case 0x1EF2: + bufpush(0x1EF3); + break; + case 0x1EF4: + bufpush(0x1EF5); + break; + case 0x1EF6: + bufpush(0x1EF7); + break; + case 0x1EF8: + bufpush(0x1EF9); + break; + case 0x1EFA: + bufpush(0x1EFB); + break; + case 0x1EFC: + bufpush(0x1EFD); + break; + case 0x1EFE: + bufpush(0x1EFF); + break; + case 0x1F08: + bufpush(0x1F00); + break; + case 0x1F09: + bufpush(0x1F01); + break; + case 0x1F0A: + bufpush(0x1F02); + break; + case 0x1F0B: + bufpush(0x1F03); + break; + case 0x1F0C: + bufpush(0x1F04); + break; + case 0x1F0D: + bufpush(0x1F05); + break; + case 0x1F0E: + bufpush(0x1F06); + break; + case 0x1F0F: + bufpush(0x1F07); + break; + case 0x1F18: + bufpush(0x1F10); + break; + case 0x1F19: + bufpush(0x1F11); + break; + case 0x1F1A: + bufpush(0x1F12); + break; + case 0x1F1B: + bufpush(0x1F13); + break; + case 0x1F1C: + bufpush(0x1F14); + break; + case 0x1F1D: + bufpush(0x1F15); + break; + case 0x1F28: + bufpush(0x1F20); + break; + case 0x1F29: + bufpush(0x1F21); + break; + case 0x1F2A: + bufpush(0x1F22); + break; + case 0x1F2B: + bufpush(0x1F23); + break; + case 0x1F2C: + bufpush(0x1F24); + break; + case 0x1F2D: + bufpush(0x1F25); + break; + case 0x1F2E: + bufpush(0x1F26); + break; + case 0x1F2F: + bufpush(0x1F27); + break; + case 0x1F38: + bufpush(0x1F30); + break; + case 0x1F39: + bufpush(0x1F31); + break; + case 0x1F3A: + bufpush(0x1F32); + break; + case 0x1F3B: + bufpush(0x1F33); + break; + case 0x1F3C: + bufpush(0x1F34); + break; + case 0x1F3D: + bufpush(0x1F35); + break; + case 0x1F3E: + bufpush(0x1F36); + break; + case 0x1F3F: + bufpush(0x1F37); + break; + case 0x1F48: + bufpush(0x1F40); + break; + case 0x1F49: + bufpush(0x1F41); + break; + case 0x1F4A: + bufpush(0x1F42); + break; + case 0x1F4B: + bufpush(0x1F43); + break; + case 0x1F4C: + bufpush(0x1F44); + break; + case 0x1F4D: + bufpush(0x1F45); + break; + case 0x1F50: + bufpush(0x03C5); + bufpush(0x0313); + break; + case 0x1F52: + bufpush(0x03C5); + bufpush(0x0313); + bufpush(0x0300); + break; + case 0x1F54: + bufpush(0x03C5); + bufpush(0x0313); + bufpush(0x0301); + break; + case 0x1F56: + bufpush(0x03C5); + bufpush(0x0313); + bufpush(0x0342); + break; + case 0x1F59: + bufpush(0x1F51); + break; + case 0x1F5B: + bufpush(0x1F53); + break; + case 0x1F5D: + bufpush(0x1F55); + break; + case 0x1F5F: + bufpush(0x1F57); + break; + case 0x1F68: + bufpush(0x1F60); + break; + case 0x1F69: + bufpush(0x1F61); + break; + case 0x1F6A: + bufpush(0x1F62); + break; + case 0x1F6B: + bufpush(0x1F63); + break; + case 0x1F6C: + bufpush(0x1F64); + break; + case 0x1F6D: + bufpush(0x1F65); + break; + case 0x1F6E: + bufpush(0x1F66); + break; + case 0x1F6F: + bufpush(0x1F67); + break; + case 0x1F80: + bufpush(0x1F00); + bufpush(0x03B9); + break; + case 0x1F81: + bufpush(0x1F01); + bufpush(0x03B9); + break; + case 0x1F82: + bufpush(0x1F02); + bufpush(0x03B9); + break; + case 0x1F83: + bufpush(0x1F03); + bufpush(0x03B9); + break; + case 0x1F84: + bufpush(0x1F04); + bufpush(0x03B9); + break; + case 0x1F85: + bufpush(0x1F05); + bufpush(0x03B9); + break; + case 0x1F86: + bufpush(0x1F06); + bufpush(0x03B9); + break; + case 0x1F87: + bufpush(0x1F07); + bufpush(0x03B9); + break; + case 0x1F88: + bufpush(0x1F00); + bufpush(0x03B9); + break; + case 0x1F89: + bufpush(0x1F01); + bufpush(0x03B9); + break; + case 0x1F8A: + bufpush(0x1F02); + bufpush(0x03B9); + break; + case 0x1F8B: + bufpush(0x1F03); + bufpush(0x03B9); + break; + case 0x1F8C: + bufpush(0x1F04); + bufpush(0x03B9); + break; + case 0x1F8D: + bufpush(0x1F05); + bufpush(0x03B9); + break; + case 0x1F8E: + bufpush(0x1F06); + bufpush(0x03B9); + break; + case 0x1F8F: + bufpush(0x1F07); + bufpush(0x03B9); + break; + case 0x1F90: + bufpush(0x1F20); + bufpush(0x03B9); + break; + case 0x1F91: + bufpush(0x1F21); + bufpush(0x03B9); + break; + case 0x1F92: + bufpush(0x1F22); + bufpush(0x03B9); + break; + case 0x1F93: + bufpush(0x1F23); + bufpush(0x03B9); + break; + case 0x1F94: + bufpush(0x1F24); + bufpush(0x03B9); + break; + case 0x1F95: + bufpush(0x1F25); + bufpush(0x03B9); + break; + case 0x1F96: + bufpush(0x1F26); + bufpush(0x03B9); + break; + case 0x1F97: + bufpush(0x1F27); + bufpush(0x03B9); + break; + case 0x1F98: + bufpush(0x1F20); + bufpush(0x03B9); + break; + case 0x1F99: + bufpush(0x1F21); + bufpush(0x03B9); + break; + case 0x1F9A: + bufpush(0x1F22); + bufpush(0x03B9); + break; + case 0x1F9B: + bufpush(0x1F23); + bufpush(0x03B9); + break; + case 0x1F9C: + bufpush(0x1F24); + bufpush(0x03B9); + break; + case 0x1F9D: + bufpush(0x1F25); + bufpush(0x03B9); + break; + case 0x1F9E: + bufpush(0x1F26); + bufpush(0x03B9); + break; + case 0x1F9F: + bufpush(0x1F27); + bufpush(0x03B9); + break; + case 0x1FA0: + bufpush(0x1F60); + bufpush(0x03B9); + break; + case 0x1FA1: + bufpush(0x1F61); + bufpush(0x03B9); + break; + case 0x1FA2: + bufpush(0x1F62); + bufpush(0x03B9); + break; + case 0x1FA3: + bufpush(0x1F63); + bufpush(0x03B9); + break; + case 0x1FA4: + bufpush(0x1F64); + bufpush(0x03B9); + break; + case 0x1FA5: + bufpush(0x1F65); + bufpush(0x03B9); + break; + case 0x1FA6: + bufpush(0x1F66); + bufpush(0x03B9); + break; + case 0x1FA7: + bufpush(0x1F67); + bufpush(0x03B9); + break; + case 0x1FA8: + bufpush(0x1F60); + bufpush(0x03B9); + break; + case 0x1FA9: + bufpush(0x1F61); + bufpush(0x03B9); + break; + case 0x1FAA: + bufpush(0x1F62); + bufpush(0x03B9); + break; + case 0x1FAB: + bufpush(0x1F63); + bufpush(0x03B9); + break; + case 0x1FAC: + bufpush(0x1F64); + bufpush(0x03B9); + break; + case 0x1FAD: + bufpush(0x1F65); + bufpush(0x03B9); + break; + case 0x1FAE: + bufpush(0x1F66); + bufpush(0x03B9); + break; + case 0x1FAF: + bufpush(0x1F67); + bufpush(0x03B9); + break; + case 0x1FB2: + bufpush(0x1F70); + bufpush(0x03B9); + break; + case 0x1FB3: + bufpush(0x03B1); + bufpush(0x03B9); + break; + case 0x1FB4: + bufpush(0x03AC); + bufpush(0x03B9); + break; + case 0x1FB6: + bufpush(0x03B1); + bufpush(0x0342); + break; + case 0x1FB7: + bufpush(0x03B1); + bufpush(0x0342); + bufpush(0x03B9); + break; + case 0x1FB8: + bufpush(0x1FB0); + break; + case 0x1FB9: + bufpush(0x1FB1); + break; + case 0x1FBA: + bufpush(0x1F70); + break; + case 0x1FBB: + bufpush(0x1F71); + break; + case 0x1FBC: + bufpush(0x03B1); + bufpush(0x03B9); + break; + case 0x1FBE: + bufpush(0x03B9); + break; + case 0x1FC2: + bufpush(0x1F74); + bufpush(0x03B9); + break; + case 0x1FC3: + bufpush(0x03B7); + bufpush(0x03B9); + break; + case 0x1FC4: + bufpush(0x03AE); + bufpush(0x03B9); + break; + case 0x1FC6: + bufpush(0x03B7); + bufpush(0x0342); + break; + case 0x1FC7: + bufpush(0x03B7); + bufpush(0x0342); + bufpush(0x03B9); + break; + case 0x1FC8: + bufpush(0x1F72); + break; + case 0x1FC9: + bufpush(0x1F73); + break; + case 0x1FCA: + bufpush(0x1F74); + break; + case 0x1FCB: + bufpush(0x1F75); + break; + case 0x1FCC: + bufpush(0x03B7); + bufpush(0x03B9); + break; + case 0x1FD2: + bufpush(0x03B9); + bufpush(0x0308); + bufpush(0x0300); + break; + case 0x1FD3: + bufpush(0x03B9); + bufpush(0x0308); + bufpush(0x0301); + break; + case 0x1FD6: + bufpush(0x03B9); + bufpush(0x0342); + break; + case 0x1FD7: + bufpush(0x03B9); + bufpush(0x0308); + bufpush(0x0342); + break; + case 0x1FD8: + bufpush(0x1FD0); + break; + case 0x1FD9: + bufpush(0x1FD1); + break; + case 0x1FDA: + bufpush(0x1F76); + break; + case 0x1FDB: + bufpush(0x1F77); + break; + case 0x1FE2: + bufpush(0x03C5); + bufpush(0x0308); + bufpush(0x0300); + break; + case 0x1FE3: + bufpush(0x03C5); + bufpush(0x0308); + bufpush(0x0301); + break; + case 0x1FE4: + bufpush(0x03C1); + bufpush(0x0313); + break; + case 0x1FE6: + bufpush(0x03C5); + bufpush(0x0342); + break; + case 0x1FE7: + bufpush(0x03C5); + bufpush(0x0308); + bufpush(0x0342); + break; + case 0x1FE8: + bufpush(0x1FE0); + break; + case 0x1FE9: + bufpush(0x1FE1); + break; + case 0x1FEA: + bufpush(0x1F7A); + break; + case 0x1FEB: + bufpush(0x1F7B); + break; + case 0x1FEC: + bufpush(0x1FE5); + break; + case 0x1FF2: + bufpush(0x1F7C); + bufpush(0x03B9); + break; + case 0x1FF3: + bufpush(0x03C9); + bufpush(0x03B9); + break; + case 0x1FF4: + bufpush(0x03CE); + bufpush(0x03B9); + break; + case 0x1FF6: + bufpush(0x03C9); + bufpush(0x0342); + break; + case 0x1FF7: + bufpush(0x03C9); + bufpush(0x0342); + bufpush(0x03B9); + break; + case 0x1FF8: + bufpush(0x1F78); + break; + case 0x1FF9: + bufpush(0x1F79); + break; + case 0x1FFA: + bufpush(0x1F7C); + break; + case 0x1FFB: + bufpush(0x1F7D); + break; + case 0x1FFC: + bufpush(0x03C9); + bufpush(0x03B9); + break; + case 0x2126: + bufpush(0x03C9); + break; + case 0x212A: + bufpush(0x006B); + break; + case 0x212B: + bufpush(0x00E5); + break; + case 0x2132: + bufpush(0x214E); + break; + case 0x2160: + bufpush(0x2170); + break; + case 0x2161: + bufpush(0x2171); + break; + case 0x2162: + bufpush(0x2172); + break; + case 0x2163: + bufpush(0x2173); + break; + case 0x2164: + bufpush(0x2174); + break; + case 0x2165: + bufpush(0x2175); + break; + case 0x2166: + bufpush(0x2176); + break; + case 0x2167: + bufpush(0x2177); + break; + case 0x2168: + bufpush(0x2178); + break; + case 0x2169: + bufpush(0x2179); + break; + case 0x216A: + bufpush(0x217A); + break; + case 0x216B: + bufpush(0x217B); + break; + case 0x216C: + bufpush(0x217C); + break; + case 0x216D: + bufpush(0x217D); + break; + case 0x216E: + bufpush(0x217E); + break; + case 0x216F: + bufpush(0x217F); + break; + case 0x2183: + bufpush(0x2184); + break; + case 0x24B6: + bufpush(0x24D0); + break; + case 0x24B7: + bufpush(0x24D1); + break; + case 0x24B8: + bufpush(0x24D2); + break; + case 0x24B9: + bufpush(0x24D3); + break; + case 0x24BA: + bufpush(0x24D4); + break; + case 0x24BB: + bufpush(0x24D5); + break; + case 0x24BC: + bufpush(0x24D6); + break; + case 0x24BD: + bufpush(0x24D7); + break; + case 0x24BE: + bufpush(0x24D8); + break; + case 0x24BF: + bufpush(0x24D9); + break; + case 0x24C0: + bufpush(0x24DA); + break; + case 0x24C1: + bufpush(0x24DB); + break; + case 0x24C2: + bufpush(0x24DC); + break; + case 0x24C3: + bufpush(0x24DD); + break; + case 0x24C4: + bufpush(0x24DE); + break; + case 0x24C5: + bufpush(0x24DF); + break; + case 0x24C6: + bufpush(0x24E0); + break; + case 0x24C7: + bufpush(0x24E1); + break; + case 0x24C8: + bufpush(0x24E2); + break; + case 0x24C9: + bufpush(0x24E3); + break; + case 0x24CA: + bufpush(0x24E4); + break; + case 0x24CB: + bufpush(0x24E5); + break; + case 0x24CC: + bufpush(0x24E6); + break; + case 0x24CD: + bufpush(0x24E7); + break; + case 0x24CE: + bufpush(0x24E8); + break; + case 0x24CF: + bufpush(0x24E9); + break; + case 0x2C00: + bufpush(0x2C30); + break; + case 0x2C01: + bufpush(0x2C31); + break; + case 0x2C02: + bufpush(0x2C32); + break; + case 0x2C03: + bufpush(0x2C33); + break; + case 0x2C04: + bufpush(0x2C34); + break; + case 0x2C05: + bufpush(0x2C35); + break; + case 0x2C06: + bufpush(0x2C36); + break; + case 0x2C07: + bufpush(0x2C37); + break; + case 0x2C08: + bufpush(0x2C38); + break; + case 0x2C09: + bufpush(0x2C39); + break; + case 0x2C0A: + bufpush(0x2C3A); + break; + case 0x2C0B: + bufpush(0x2C3B); + break; + case 0x2C0C: + bufpush(0x2C3C); + break; + case 0x2C0D: + bufpush(0x2C3D); + break; + case 0x2C0E: + bufpush(0x2C3E); + break; + case 0x2C0F: + bufpush(0x2C3F); + break; + case 0x2C10: + bufpush(0x2C40); + break; + case 0x2C11: + bufpush(0x2C41); + break; + case 0x2C12: + bufpush(0x2C42); + break; + case 0x2C13: + bufpush(0x2C43); + break; + case 0x2C14: + bufpush(0x2C44); + break; + case 0x2C15: + bufpush(0x2C45); + break; + case 0x2C16: + bufpush(0x2C46); + break; + case 0x2C17: + bufpush(0x2C47); + break; + case 0x2C18: + bufpush(0x2C48); + break; + case 0x2C19: + bufpush(0x2C49); + break; + case 0x2C1A: + bufpush(0x2C4A); + break; + case 0x2C1B: + bufpush(0x2C4B); + break; + case 0x2C1C: + bufpush(0x2C4C); + break; + case 0x2C1D: + bufpush(0x2C4D); + break; + case 0x2C1E: + bufpush(0x2C4E); + break; + case 0x2C1F: + bufpush(0x2C4F); + break; + case 0x2C20: + bufpush(0x2C50); + break; + case 0x2C21: + bufpush(0x2C51); + break; + case 0x2C22: + bufpush(0x2C52); + break; + case 0x2C23: + bufpush(0x2C53); + break; + case 0x2C24: + bufpush(0x2C54); + break; + case 0x2C25: + bufpush(0x2C55); + break; + case 0x2C26: + bufpush(0x2C56); + break; + case 0x2C27: + bufpush(0x2C57); + break; + case 0x2C28: + bufpush(0x2C58); + break; + case 0x2C29: + bufpush(0x2C59); + break; + case 0x2C2A: + bufpush(0x2C5A); + break; + case 0x2C2B: + bufpush(0x2C5B); + break; + case 0x2C2C: + bufpush(0x2C5C); + break; + case 0x2C2D: + bufpush(0x2C5D); + break; + case 0x2C2E: + bufpush(0x2C5E); + break; + case 0x2C60: + bufpush(0x2C61); + break; + case 0x2C62: + bufpush(0x026B); + break; + case 0x2C63: + bufpush(0x1D7D); + break; + case 0x2C64: + bufpush(0x027D); + break; + case 0x2C67: + bufpush(0x2C68); + break; + case 0x2C69: + bufpush(0x2C6A); + break; + case 0x2C6B: + bufpush(0x2C6C); + break; + case 0x2C6D: + bufpush(0x0251); + break; + case 0x2C6E: + bufpush(0x0271); + break; + case 0x2C6F: + bufpush(0x0250); + break; + case 0x2C70: + bufpush(0x0252); + break; + case 0x2C72: + bufpush(0x2C73); + break; + case 0x2C75: + bufpush(0x2C76); + break; + case 0x2C7E: + bufpush(0x023F); + break; + case 0x2C7F: + bufpush(0x0240); + break; + case 0x2C80: + bufpush(0x2C81); + break; + case 0x2C82: + bufpush(0x2C83); + break; + case 0x2C84: + bufpush(0x2C85); + break; + case 0x2C86: + bufpush(0x2C87); + break; + case 0x2C88: + bufpush(0x2C89); + break; + case 0x2C8A: + bufpush(0x2C8B); + break; + case 0x2C8C: + bufpush(0x2C8D); + break; + case 0x2C8E: + bufpush(0x2C8F); + break; + case 0x2C90: + bufpush(0x2C91); + break; + case 0x2C92: + bufpush(0x2C93); + break; + case 0x2C94: + bufpush(0x2C95); + break; + case 0x2C96: + bufpush(0x2C97); + break; + case 0x2C98: + bufpush(0x2C99); + break; + case 0x2C9A: + bufpush(0x2C9B); + break; + case 0x2C9C: + bufpush(0x2C9D); + break; + case 0x2C9E: + bufpush(0x2C9F); + break; + case 0x2CA0: + bufpush(0x2CA1); + break; + case 0x2CA2: + bufpush(0x2CA3); + break; + case 0x2CA4: + bufpush(0x2CA5); + break; + case 0x2CA6: + bufpush(0x2CA7); + break; + case 0x2CA8: + bufpush(0x2CA9); + break; + case 0x2CAA: + bufpush(0x2CAB); + break; + case 0x2CAC: + bufpush(0x2CAD); + break; + case 0x2CAE: + bufpush(0x2CAF); + break; + case 0x2CB0: + bufpush(0x2CB1); + break; + case 0x2CB2: + bufpush(0x2CB3); + break; + case 0x2CB4: + bufpush(0x2CB5); + break; + case 0x2CB6: + bufpush(0x2CB7); + break; + case 0x2CB8: + bufpush(0x2CB9); + break; + case 0x2CBA: + bufpush(0x2CBB); + break; + case 0x2CBC: + bufpush(0x2CBD); + break; + case 0x2CBE: + bufpush(0x2CBF); + break; + case 0x2CC0: + bufpush(0x2CC1); + break; + case 0x2CC2: + bufpush(0x2CC3); + break; + case 0x2CC4: + bufpush(0x2CC5); + break; + case 0x2CC6: + bufpush(0x2CC7); + break; + case 0x2CC8: + bufpush(0x2CC9); + break; + case 0x2CCA: + bufpush(0x2CCB); + break; + case 0x2CCC: + bufpush(0x2CCD); + break; + case 0x2CCE: + bufpush(0x2CCF); + break; + case 0x2CD0: + bufpush(0x2CD1); + break; + case 0x2CD2: + bufpush(0x2CD3); + break; + case 0x2CD4: + bufpush(0x2CD5); + break; + case 0x2CD6: + bufpush(0x2CD7); + break; + case 0x2CD8: + bufpush(0x2CD9); + break; + case 0x2CDA: + bufpush(0x2CDB); + break; + case 0x2CDC: + bufpush(0x2CDD); + break; + case 0x2CDE: + bufpush(0x2CDF); + break; + case 0x2CE0: + bufpush(0x2CE1); + break; + case 0x2CE2: + bufpush(0x2CE3); + break; + case 0x2CEB: + bufpush(0x2CEC); + break; + case 0x2CED: + bufpush(0x2CEE); + break; + case 0x2CF2: + bufpush(0x2CF3); + break; + case 0xA640: + bufpush(0xA641); + break; + case 0xA642: + bufpush(0xA643); + break; + case 0xA644: + bufpush(0xA645); + break; + case 0xA646: + bufpush(0xA647); + break; + case 0xA648: + bufpush(0xA649); + break; + case 0xA64A: + bufpush(0xA64B); + break; + case 0xA64C: + bufpush(0xA64D); + break; + case 0xA64E: + bufpush(0xA64F); + break; + case 0xA650: + bufpush(0xA651); + break; + case 0xA652: + bufpush(0xA653); + break; + case 0xA654: + bufpush(0xA655); + break; + case 0xA656: + bufpush(0xA657); + break; + case 0xA658: + bufpush(0xA659); + break; + case 0xA65A: + bufpush(0xA65B); + break; + case 0xA65C: + bufpush(0xA65D); + break; + case 0xA65E: + bufpush(0xA65F); + break; + case 0xA660: + bufpush(0xA661); + break; + case 0xA662: + bufpush(0xA663); + break; + case 0xA664: + bufpush(0xA665); + break; + case 0xA666: + bufpush(0xA667); + break; + case 0xA668: + bufpush(0xA669); + break; + case 0xA66A: + bufpush(0xA66B); + break; + case 0xA66C: + bufpush(0xA66D); + break; + case 0xA680: + bufpush(0xA681); + break; + case 0xA682: + bufpush(0xA683); + break; + case 0xA684: + bufpush(0xA685); + break; + case 0xA686: + bufpush(0xA687); + break; + case 0xA688: + bufpush(0xA689); + break; + case 0xA68A: + bufpush(0xA68B); + break; + case 0xA68C: + bufpush(0xA68D); + break; + case 0xA68E: + bufpush(0xA68F); + break; + case 0xA690: + bufpush(0xA691); + break; + case 0xA692: + bufpush(0xA693); + break; + case 0xA694: + bufpush(0xA695); + break; + case 0xA696: + bufpush(0xA697); + break; + case 0xA698: + bufpush(0xA699); + break; + case 0xA69A: + bufpush(0xA69B); + break; + case 0xA722: + bufpush(0xA723); + break; + case 0xA724: + bufpush(0xA725); + break; + case 0xA726: + bufpush(0xA727); + break; + case 0xA728: + bufpush(0xA729); + break; + case 0xA72A: + bufpush(0xA72B); + break; + case 0xA72C: + bufpush(0xA72D); + break; + case 0xA72E: + bufpush(0xA72F); + break; + case 0xA732: + bufpush(0xA733); + break; + case 0xA734: + bufpush(0xA735); + break; + case 0xA736: + bufpush(0xA737); + break; + case 0xA738: + bufpush(0xA739); + break; + case 0xA73A: + bufpush(0xA73B); + break; + case 0xA73C: + bufpush(0xA73D); + break; + case 0xA73E: + bufpush(0xA73F); + break; + case 0xA740: + bufpush(0xA741); + break; + case 0xA742: + bufpush(0xA743); + break; + case 0xA744: + bufpush(0xA745); + break; + case 0xA746: + bufpush(0xA747); + break; + case 0xA748: + bufpush(0xA749); + break; + case 0xA74A: + bufpush(0xA74B); + break; + case 0xA74C: + bufpush(0xA74D); + break; + case 0xA74E: + bufpush(0xA74F); + break; + case 0xA750: + bufpush(0xA751); + break; + case 0xA752: + bufpush(0xA753); + break; + case 0xA754: + bufpush(0xA755); + break; + case 0xA756: + bufpush(0xA757); + break; + case 0xA758: + bufpush(0xA759); + break; + case 0xA75A: + bufpush(0xA75B); + break; + case 0xA75C: + bufpush(0xA75D); + break; + case 0xA75E: + bufpush(0xA75F); + break; + case 0xA760: + bufpush(0xA761); + break; + case 0xA762: + bufpush(0xA763); + break; + case 0xA764: + bufpush(0xA765); + break; + case 0xA766: + bufpush(0xA767); + break; + case 0xA768: + bufpush(0xA769); + break; + case 0xA76A: + bufpush(0xA76B); + break; + case 0xA76C: + bufpush(0xA76D); + break; + case 0xA76E: + bufpush(0xA76F); + break; + case 0xA779: + bufpush(0xA77A); + break; + case 0xA77B: + bufpush(0xA77C); + break; + case 0xA77D: + bufpush(0x1D79); + break; + case 0xA77E: + bufpush(0xA77F); + break; + case 0xA780: + bufpush(0xA781); + break; + case 0xA782: + bufpush(0xA783); + break; + case 0xA784: + bufpush(0xA785); + break; + case 0xA786: + bufpush(0xA787); + break; + case 0xA78B: + bufpush(0xA78C); + break; + case 0xA78D: + bufpush(0x0265); + break; + case 0xA790: + bufpush(0xA791); + break; + case 0xA792: + bufpush(0xA793); + break; + case 0xA796: + bufpush(0xA797); + break; + case 0xA798: + bufpush(0xA799); + break; + case 0xA79A: + bufpush(0xA79B); + break; + case 0xA79C: + bufpush(0xA79D); + break; + case 0xA79E: + bufpush(0xA79F); + break; + case 0xA7A0: + bufpush(0xA7A1); + break; + case 0xA7A2: + bufpush(0xA7A3); + break; + case 0xA7A4: + bufpush(0xA7A5); + break; + case 0xA7A6: + bufpush(0xA7A7); + break; + case 0xA7A8: + bufpush(0xA7A9); + break; + case 0xA7AA: + bufpush(0x0266); + break; + case 0xA7AB: + bufpush(0x025C); + break; + case 0xA7AC: + bufpush(0x0261); + break; + case 0xA7AD: + bufpush(0x026C); + break; + case 0xA7AE: + bufpush(0x026A); + break; + case 0xA7B0: + bufpush(0x029E); + break; + case 0xA7B1: + bufpush(0x0287); + break; + case 0xA7B2: + bufpush(0x029D); + break; + case 0xA7B3: + bufpush(0xAB53); + break; + case 0xA7B4: + bufpush(0xA7B5); + break; + case 0xA7B6: + bufpush(0xA7B7); + break; + case 0xAB70: + bufpush(0x13A0); + break; + case 0xAB71: + bufpush(0x13A1); + break; + case 0xAB72: + bufpush(0x13A2); + break; + case 0xAB73: + bufpush(0x13A3); + break; + case 0xAB74: + bufpush(0x13A4); + break; + case 0xAB75: + bufpush(0x13A5); + break; + case 0xAB76: + bufpush(0x13A6); + break; + case 0xAB77: + bufpush(0x13A7); + break; + case 0xAB78: + bufpush(0x13A8); + break; + case 0xAB79: + bufpush(0x13A9); + break; + case 0xAB7A: + bufpush(0x13AA); + break; + case 0xAB7B: + bufpush(0x13AB); + break; + case 0xAB7C: + bufpush(0x13AC); + break; + case 0xAB7D: + bufpush(0x13AD); + break; + case 0xAB7E: + bufpush(0x13AE); + break; + case 0xAB7F: + bufpush(0x13AF); + break; + case 0xAB80: + bufpush(0x13B0); + break; + case 0xAB81: + bufpush(0x13B1); + break; + case 0xAB82: + bufpush(0x13B2); + break; + case 0xAB83: + bufpush(0x13B3); + break; + case 0xAB84: + bufpush(0x13B4); + break; + case 0xAB85: + bufpush(0x13B5); + break; + case 0xAB86: + bufpush(0x13B6); + break; + case 0xAB87: + bufpush(0x13B7); + break; + case 0xAB88: + bufpush(0x13B8); + break; + case 0xAB89: + bufpush(0x13B9); + break; + case 0xAB8A: + bufpush(0x13BA); + break; + case 0xAB8B: + bufpush(0x13BB); + break; + case 0xAB8C: + bufpush(0x13BC); + break; + case 0xAB8D: + bufpush(0x13BD); + break; + case 0xAB8E: + bufpush(0x13BE); + break; + case 0xAB8F: + bufpush(0x13BF); + break; + case 0xAB90: + bufpush(0x13C0); + break; + case 0xAB91: + bufpush(0x13C1); + break; + case 0xAB92: + bufpush(0x13C2); + break; + case 0xAB93: + bufpush(0x13C3); + break; + case 0xAB94: + bufpush(0x13C4); + break; + case 0xAB95: + bufpush(0x13C5); + break; + case 0xAB96: + bufpush(0x13C6); + break; + case 0xAB97: + bufpush(0x13C7); + break; + case 0xAB98: + bufpush(0x13C8); + break; + case 0xAB99: + bufpush(0x13C9); + break; + case 0xAB9A: + bufpush(0x13CA); + break; + case 0xAB9B: + bufpush(0x13CB); + break; + case 0xAB9C: + bufpush(0x13CC); + break; + case 0xAB9D: + bufpush(0x13CD); + break; + case 0xAB9E: + bufpush(0x13CE); + break; + case 0xAB9F: + bufpush(0x13CF); + break; + case 0xABA0: + bufpush(0x13D0); + break; + case 0xABA1: + bufpush(0x13D1); + break; + case 0xABA2: + bufpush(0x13D2); + break; + case 0xABA3: + bufpush(0x13D3); + break; + case 0xABA4: + bufpush(0x13D4); + break; + case 0xABA5: + bufpush(0x13D5); + break; + case 0xABA6: + bufpush(0x13D6); + break; + case 0xABA7: + bufpush(0x13D7); + break; + case 0xABA8: + bufpush(0x13D8); + break; + case 0xABA9: + bufpush(0x13D9); + break; + case 0xABAA: + bufpush(0x13DA); + break; + case 0xABAB: + bufpush(0x13DB); + break; + case 0xABAC: + bufpush(0x13DC); + break; + case 0xABAD: + bufpush(0x13DD); + break; + case 0xABAE: + bufpush(0x13DE); + break; + case 0xABAF: + bufpush(0x13DF); + break; + case 0xABB0: + bufpush(0x13E0); + break; + case 0xABB1: + bufpush(0x13E1); + break; + case 0xABB2: + bufpush(0x13E2); + break; + case 0xABB3: + bufpush(0x13E3); + break; + case 0xABB4: + bufpush(0x13E4); + break; + case 0xABB5: + bufpush(0x13E5); + break; + case 0xABB6: + bufpush(0x13E6); + break; + case 0xABB7: + bufpush(0x13E7); + break; + case 0xABB8: + bufpush(0x13E8); + break; + case 0xABB9: + bufpush(0x13E9); + break; + case 0xABBA: + bufpush(0x13EA); + break; + case 0xABBB: + bufpush(0x13EB); + break; + case 0xABBC: + bufpush(0x13EC); + break; + case 0xABBD: + bufpush(0x13ED); + break; + case 0xABBE: + bufpush(0x13EE); + break; + case 0xABBF: + bufpush(0x13EF); + break; + case 0xFB00: + bufpush(0x0066); + bufpush(0x0066); + break; + case 0xFB01: + bufpush(0x0066); + bufpush(0x0069); + break; + case 0xFB02: + bufpush(0x0066); + bufpush(0x006C); + break; + case 0xFB03: + bufpush(0x0066); + bufpush(0x0066); + bufpush(0x0069); + break; + case 0xFB04: + bufpush(0x0066); + bufpush(0x0066); + bufpush(0x006C); + break; + case 0xFB05: + bufpush(0x0073); + bufpush(0x0074); + break; + case 0xFB06: + bufpush(0x0073); + bufpush(0x0074); + break; + case 0xFB13: + bufpush(0x0574); + bufpush(0x0576); + break; + case 0xFB14: + bufpush(0x0574); + bufpush(0x0565); + break; + case 0xFB15: + bufpush(0x0574); + bufpush(0x056B); + break; + case 0xFB16: + bufpush(0x057E); + bufpush(0x0576); + break; + case 0xFB17: + bufpush(0x0574); + bufpush(0x056D); + break; + case 0xFF21: + bufpush(0xFF41); + break; + case 0xFF22: + bufpush(0xFF42); + break; + case 0xFF23: + bufpush(0xFF43); + break; + case 0xFF24: + bufpush(0xFF44); + break; + case 0xFF25: + bufpush(0xFF45); + break; + case 0xFF26: + bufpush(0xFF46); + break; + case 0xFF27: + bufpush(0xFF47); + break; + case 0xFF28: + bufpush(0xFF48); + break; + case 0xFF29: + bufpush(0xFF49); + break; + case 0xFF2A: + bufpush(0xFF4A); + break; + case 0xFF2B: + bufpush(0xFF4B); + break; + case 0xFF2C: + bufpush(0xFF4C); + break; + case 0xFF2D: + bufpush(0xFF4D); + break; + case 0xFF2E: + bufpush(0xFF4E); + break; + case 0xFF2F: + bufpush(0xFF4F); + break; + case 0xFF30: + bufpush(0xFF50); + break; + case 0xFF31: + bufpush(0xFF51); + break; + case 0xFF32: + bufpush(0xFF52); + break; + case 0xFF33: + bufpush(0xFF53); + break; + case 0xFF34: + bufpush(0xFF54); + break; + case 0xFF35: + bufpush(0xFF55); + break; + case 0xFF36: + bufpush(0xFF56); + break; + case 0xFF37: + bufpush(0xFF57); + break; + case 0xFF38: + bufpush(0xFF58); + break; + case 0xFF39: + bufpush(0xFF59); + break; + case 0xFF3A: + bufpush(0xFF5A); + break; + case 0x10400: + bufpush(0x10428); + break; + case 0x10401: + bufpush(0x10429); + break; + case 0x10402: + bufpush(0x1042A); + break; + case 0x10403: + bufpush(0x1042B); + break; + case 0x10404: + bufpush(0x1042C); + break; + case 0x10405: + bufpush(0x1042D); + break; + case 0x10406: + bufpush(0x1042E); + break; + case 0x10407: + bufpush(0x1042F); + break; + case 0x10408: + bufpush(0x10430); + break; + case 0x10409: + bufpush(0x10431); + break; + case 0x1040A: + bufpush(0x10432); + break; + case 0x1040B: + bufpush(0x10433); + break; + case 0x1040C: + bufpush(0x10434); + break; + case 0x1040D: + bufpush(0x10435); + break; + case 0x1040E: + bufpush(0x10436); + break; + case 0x1040F: + bufpush(0x10437); + break; + case 0x10410: + bufpush(0x10438); + break; + case 0x10411: + bufpush(0x10439); + break; + case 0x10412: + bufpush(0x1043A); + break; + case 0x10413: + bufpush(0x1043B); + break; + case 0x10414: + bufpush(0x1043C); + break; + case 0x10415: + bufpush(0x1043D); + break; + case 0x10416: + bufpush(0x1043E); + break; + case 0x10417: + bufpush(0x1043F); + break; + case 0x10418: + bufpush(0x10440); + break; + case 0x10419: + bufpush(0x10441); + break; + case 0x1041A: + bufpush(0x10442); + break; + case 0x1041B: + bufpush(0x10443); + break; + case 0x1041C: + bufpush(0x10444); + break; + case 0x1041D: + bufpush(0x10445); + break; + case 0x1041E: + bufpush(0x10446); + break; + case 0x1041F: + bufpush(0x10447); + break; + case 0x10420: + bufpush(0x10448); + break; + case 0x10421: + bufpush(0x10449); + break; + case 0x10422: + bufpush(0x1044A); + break; + case 0x10423: + bufpush(0x1044B); + break; + case 0x10424: + bufpush(0x1044C); + break; + case 0x10425: + bufpush(0x1044D); + break; + case 0x10426: + bufpush(0x1044E); + break; + case 0x10427: + bufpush(0x1044F); + break; + case 0x104B0: + bufpush(0x104D8); + break; + case 0x104B1: + bufpush(0x104D9); + break; + case 0x104B2: + bufpush(0x104DA); + break; + case 0x104B3: + bufpush(0x104DB); + break; + case 0x104B4: + bufpush(0x104DC); + break; + case 0x104B5: + bufpush(0x104DD); + break; + case 0x104B6: + bufpush(0x104DE); + break; + case 0x104B7: + bufpush(0x104DF); + break; + case 0x104B8: + bufpush(0x104E0); + break; + case 0x104B9: + bufpush(0x104E1); + break; + case 0x104BA: + bufpush(0x104E2); + break; + case 0x104BB: + bufpush(0x104E3); + break; + case 0x104BC: + bufpush(0x104E4); + break; + case 0x104BD: + bufpush(0x104E5); + break; + case 0x104BE: + bufpush(0x104E6); + break; + case 0x104BF: + bufpush(0x104E7); + break; + case 0x104C0: + bufpush(0x104E8); + break; + case 0x104C1: + bufpush(0x104E9); + break; + case 0x104C2: + bufpush(0x104EA); + break; + case 0x104C3: + bufpush(0x104EB); + break; + case 0x104C4: + bufpush(0x104EC); + break; + case 0x104C5: + bufpush(0x104ED); + break; + case 0x104C6: + bufpush(0x104EE); + break; + case 0x104C7: + bufpush(0x104EF); + break; + case 0x104C8: + bufpush(0x104F0); + break; + case 0x104C9: + bufpush(0x104F1); + break; + case 0x104CA: + bufpush(0x104F2); + break; + case 0x104CB: + bufpush(0x104F3); + break; + case 0x104CC: + bufpush(0x104F4); + break; + case 0x104CD: + bufpush(0x104F5); + break; + case 0x104CE: + bufpush(0x104F6); + break; + case 0x104CF: + bufpush(0x104F7); + break; + case 0x104D0: + bufpush(0x104F8); + break; + case 0x104D1: + bufpush(0x104F9); + break; + case 0x104D2: + bufpush(0x104FA); + break; + case 0x104D3: + bufpush(0x104FB); + break; + case 0x10C80: + bufpush(0x10CC0); + break; + case 0x10C81: + bufpush(0x10CC1); + break; + case 0x10C82: + bufpush(0x10CC2); + break; + case 0x10C83: + bufpush(0x10CC3); + break; + case 0x10C84: + bufpush(0x10CC4); + break; + case 0x10C85: + bufpush(0x10CC5); + break; + case 0x10C86: + bufpush(0x10CC6); + break; + case 0x10C87: + bufpush(0x10CC7); + break; + case 0x10C88: + bufpush(0x10CC8); + break; + case 0x10C89: + bufpush(0x10CC9); + break; + case 0x10C8A: + bufpush(0x10CCA); + break; + case 0x10C8B: + bufpush(0x10CCB); + break; + case 0x10C8C: + bufpush(0x10CCC); + break; + case 0x10C8D: + bufpush(0x10CCD); + break; + case 0x10C8E: + bufpush(0x10CCE); + break; + case 0x10C8F: + bufpush(0x10CCF); + break; + case 0x10C90: + bufpush(0x10CD0); + break; + case 0x10C91: + bufpush(0x10CD1); + break; + case 0x10C92: + bufpush(0x10CD2); + break; + case 0x10C93: + bufpush(0x10CD3); + break; + case 0x10C94: + bufpush(0x10CD4); + break; + case 0x10C95: + bufpush(0x10CD5); + break; + case 0x10C96: + bufpush(0x10CD6); + break; + case 0x10C97: + bufpush(0x10CD7); + break; + case 0x10C98: + bufpush(0x10CD8); + break; + case 0x10C99: + bufpush(0x10CD9); + break; + case 0x10C9A: + bufpush(0x10CDA); + break; + case 0x10C9B: + bufpush(0x10CDB); + break; + case 0x10C9C: + bufpush(0x10CDC); + break; + case 0x10C9D: + bufpush(0x10CDD); + break; + case 0x10C9E: + bufpush(0x10CDE); + break; + case 0x10C9F: + bufpush(0x10CDF); + break; + case 0x10CA0: + bufpush(0x10CE0); + break; + case 0x10CA1: + bufpush(0x10CE1); + break; + case 0x10CA2: + bufpush(0x10CE2); + break; + case 0x10CA3: + bufpush(0x10CE3); + break; + case 0x10CA4: + bufpush(0x10CE4); + break; + case 0x10CA5: + bufpush(0x10CE5); + break; + case 0x10CA6: + bufpush(0x10CE6); + break; + case 0x10CA7: + bufpush(0x10CE7); + break; + case 0x10CA8: + bufpush(0x10CE8); + break; + case 0x10CA9: + bufpush(0x10CE9); + break; + case 0x10CAA: + bufpush(0x10CEA); + break; + case 0x10CAB: + bufpush(0x10CEB); + break; + case 0x10CAC: + bufpush(0x10CEC); + break; + case 0x10CAD: + bufpush(0x10CED); + break; + case 0x10CAE: + bufpush(0x10CEE); + break; + case 0x10CAF: + bufpush(0x10CEF); + break; + case 0x10CB0: + bufpush(0x10CF0); + break; + case 0x10CB1: + bufpush(0x10CF1); + break; + case 0x10CB2: + bufpush(0x10CF2); + break; + case 0x118A0: + bufpush(0x118C0); + break; + case 0x118A1: + bufpush(0x118C1); + break; + case 0x118A2: + bufpush(0x118C2); + break; + case 0x118A3: + bufpush(0x118C3); + break; + case 0x118A4: + bufpush(0x118C4); + break; + case 0x118A5: + bufpush(0x118C5); + break; + case 0x118A6: + bufpush(0x118C6); + break; + case 0x118A7: + bufpush(0x118C7); + break; + case 0x118A8: + bufpush(0x118C8); + break; + case 0x118A9: + bufpush(0x118C9); + break; + case 0x118AA: + bufpush(0x118CA); + break; + case 0x118AB: + bufpush(0x118CB); + break; + case 0x118AC: + bufpush(0x118CC); + break; + case 0x118AD: + bufpush(0x118CD); + break; + case 0x118AE: + bufpush(0x118CE); + break; + case 0x118AF: + bufpush(0x118CF); + break; + case 0x118B0: + bufpush(0x118D0); + break; + case 0x118B1: + bufpush(0x118D1); + break; + case 0x118B2: + bufpush(0x118D2); + break; + case 0x118B3: + bufpush(0x118D3); + break; + case 0x118B4: + bufpush(0x118D4); + break; + case 0x118B5: + bufpush(0x118D5); + break; + case 0x118B6: + bufpush(0x118D6); + break; + case 0x118B7: + bufpush(0x118D7); + break; + case 0x118B8: + bufpush(0x118D8); + break; + case 0x118B9: + bufpush(0x118D9); + break; + case 0x118BA: + bufpush(0x118DA); + break; + case 0x118BB: + bufpush(0x118DB); + break; + case 0x118BC: + bufpush(0x118DC); + break; + case 0x118BD: + bufpush(0x118DD); + break; + case 0x118BE: + bufpush(0x118DE); + break; + case 0x118BF: + bufpush(0x118DF); + break; + case 0x1E900: + bufpush(0x1E922); + break; + case 0x1E901: + bufpush(0x1E923); + break; + case 0x1E902: + bufpush(0x1E924); + break; + case 0x1E903: + bufpush(0x1E925); + break; + case 0x1E904: + bufpush(0x1E926); + break; + case 0x1E905: + bufpush(0x1E927); + break; + case 0x1E906: + bufpush(0x1E928); + break; + case 0x1E907: + bufpush(0x1E929); + break; + case 0x1E908: + bufpush(0x1E92A); + break; + case 0x1E909: + bufpush(0x1E92B); + break; + case 0x1E90A: + bufpush(0x1E92C); + break; + case 0x1E90B: + bufpush(0x1E92D); + break; + case 0x1E90C: + bufpush(0x1E92E); + break; + case 0x1E90D: + bufpush(0x1E92F); + break; + case 0x1E90E: + bufpush(0x1E930); + break; + case 0x1E90F: + bufpush(0x1E931); + break; + case 0x1E910: + bufpush(0x1E932); + break; + case 0x1E911: + bufpush(0x1E933); + break; + case 0x1E912: + bufpush(0x1E934); + break; + case 0x1E913: + bufpush(0x1E935); + break; + case 0x1E914: + bufpush(0x1E936); + break; + case 0x1E915: + bufpush(0x1E937); + break; + case 0x1E916: + bufpush(0x1E938); + break; + case 0x1E917: + bufpush(0x1E939); + break; + case 0x1E918: + bufpush(0x1E93A); + break; + case 0x1E919: + bufpush(0x1E93B); + break; + case 0x1E91A: + bufpush(0x1E93C); + break; + case 0x1E91B: + bufpush(0x1E93D); + break; + case 0x1E91C: + bufpush(0x1E93E); + break; + case 0x1E91D: + bufpush(0x1E93F); + break; + case 0x1E91E: + bufpush(0x1E940); + break; + case 0x1E91F: + bufpush(0x1E941); + break; + case 0x1E920: + bufpush(0x1E942); + break; + case 0x1E921: + bufpush(0x1E943); + break; + default: + bufpush(c); + } diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark.c new file mode 100644 index 0000000000..f2619f4299 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark.c @@ -0,0 +1,55 @@ +#include +#include +#include +#include "registry.h" +#include "node.h" +#include "houdini.h" +#include "cmark-gfm.h" +#include "buffer.h" + +cmark_node_type CMARK_NODE_LAST_BLOCK = CMARK_NODE_FOOTNOTE_DEFINITION; +cmark_node_type CMARK_NODE_LAST_INLINE = CMARK_NODE_ATTRIBUTE; + +int cmark_version(void) { return CMARK_GFM_VERSION; } + +const char *cmark_version_string(void) { return CMARK_GFM_VERSION_STRING; } + +static void *xcalloc(size_t nmem, size_t size) { + void *ptr = calloc(nmem, size); + if (!ptr) { + fprintf(stderr, "[cmark] calloc returned null pointer, aborting\n"); + abort(); + } + return ptr; +} + +static void *xrealloc(void *ptr, size_t size) { + void *new_ptr = realloc(ptr, size); + if (!new_ptr) { + fprintf(stderr, "[cmark] realloc returned null pointer, aborting\n"); + abort(); + } + return new_ptr; +} + +static void xfree(void *ptr) { + free(ptr); +} + +cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR = {xcalloc, xrealloc, xfree}; + +cmark_mem *cmark_get_default_mem_allocator(void) { + return &CMARK_DEFAULT_MEM_ALLOCATOR; +} + +char *cmark_markdown_to_html(const char *text, size_t len, int options) { + cmark_node *doc; + char *result; + + doc = cmark_parse_document(text, len, options); + + result = cmark_render_html(doc, options, NULL); + cmark_node_free(doc); + + return result; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark_ctype.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark_ctype.c new file mode 100644 index 0000000000..c0c4d5b037 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/cmark_ctype.c @@ -0,0 +1,44 @@ +#include + +#include "cmark_ctype.h" + +/** 1 = space, 2 = punct, 3 = digit, 4 = alpha, 0 = other + */ +static const uint8_t cmark_ctype_class[256] = { + /* 0 1 2 3 4 5 6 7 8 9 a b c d e f */ + /* 0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, + /* 1 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 2 */ 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + /* 3 */ 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, + /* 4 */ 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + /* 5 */ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, + /* 6 */ 2, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + /* 7 */ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 0, + /* 8 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* 9 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* a */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* b */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* c */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* d */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* e */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + /* f */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + +/** + * Returns 1 if c is a "whitespace" character as defined by the spec. + */ +int cmark_isspace(char c) { return cmark_ctype_class[(uint8_t)c] == 1; } + +/** + * Returns 1 if c is an ascii punctuation character. + */ +int cmark_ispunct(char c) { return cmark_ctype_class[(uint8_t)c] == 2; } + +int cmark_isalnum(char c) { + uint8_t result; + result = cmark_ctype_class[(uint8_t)c]; + return (result == 3 || result == 4); +} + +int cmark_isdigit(char c) { return cmark_ctype_class[(uint8_t)c] == 3; } + +int cmark_isalpha(char c) { return cmark_ctype_class[(uint8_t)c] == 4; } diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/commonmark.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/commonmark.c new file mode 100644 index 0000000000..a5aa747287 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/commonmark.c @@ -0,0 +1,524 @@ +#include +#include +#include +#include +#include +#include + +#include "cmark-gfm.h" +#include "node.h" +#include "buffer.h" +#include "utf8.h" +#include "scanners.h" +#include "render.h" +#include "syntax_extension.h" + +#define OUT(s, wrap, escaping) renderer->out(renderer, node, s, wrap, escaping) +#define LIT(s) renderer->out(renderer, node, s, false, LITERAL) +#define CR() renderer->cr(renderer) +#define BLANKLINE() renderer->blankline(renderer) +#define ENCODED_SIZE 20 +#define LISTMARKER_SIZE 20 + +// Functions to convert cmark_nodes to commonmark strings. + +static inline void outc(cmark_renderer *renderer, cmark_node *node, + cmark_escaping escape, int32_t c, unsigned char nextc) { + bool needs_escaping = false; + bool follows_digit = + renderer->buffer->size > 0 && + cmark_isdigit(renderer->buffer->ptr[renderer->buffer->size - 1]); + char encoded[ENCODED_SIZE]; + + needs_escaping = + c < 0x80 && escape != LITERAL && + ((escape == NORMAL && + (c < 0x20 || + c == '*' || c == '_' || c == '[' || c == ']' || c == '#' || c == '<' || + c == '>' || c == '\\' || c == '`' || c == '~' || c == '!' || + (c == '&' && cmark_isalpha(nextc)) || (c == '!' && nextc == '[') || + (c == '^' && nextc == '[') || + (renderer->begin_content && (c == '-' || c == '+' || c == '=') && + // begin_content doesn't get set to false til we've passed digits + // at the beginning of line, so... + !follows_digit) || + (renderer->begin_content && (c == '.' || c == ')') && follows_digit && + (nextc == 0 || cmark_isspace(nextc))))) || + (escape == URL && + (c == '`' || c == '<' || c == '>' || cmark_isspace((char)c) || c == '\\' || + c == ')' || c == '(')) || + (escape == TITLE && + (c == '`' || c == '<' || c == '>' || c == '"' || c == '\\'))); + + if (needs_escaping) { + if (escape == URL && cmark_isspace((char)c)) { + // use percent encoding for spaces + snprintf(encoded, ENCODED_SIZE, "%%%2X", c); + cmark_strbuf_puts(renderer->buffer, encoded); + renderer->column += 3; + } else if (cmark_ispunct((char)c)) { + cmark_render_ascii(renderer, "\\"); + cmark_render_code_point(renderer, c); + } else { // render as entity + snprintf(encoded, ENCODED_SIZE, "&#%d;", c); + cmark_strbuf_puts(renderer->buffer, encoded); + renderer->column += (int)strlen(encoded); + } + } else { + cmark_render_code_point(renderer, c); + } +} + +static int longest_backtick_sequence(const char *code) { + int longest = 0; + int current = 0; + size_t i = 0; + size_t code_len = strlen(code); + while (i <= code_len) { + if (code[i] == '`') { + current++; + } else { + if (current > longest) { + longest = current; + } + current = 0; + } + i++; + } + return longest; +} + +static int shortest_unused_backtick_sequence(const char *code) { + // note: if the shortest sequence is >= 32, this returns 32 + // so as not to overflow the bit array. + uint32_t used = 1; + int current = 0; + size_t i = 0; + size_t code_len = strlen(code); + while (i <= code_len) { + if (code[i] == '`') { + current++; + } else { + if (current > 0 && current < 32) { + used |= (1U << current); + } + current = 0; + } + i++; + } + // return number of first bit that is 0: + i = 0; + while (i < 32 && used & 1) { + used = used >> 1; + i++; + } + return (int)i; +} + +static bool is_autolink(cmark_node *node) { + cmark_chunk *title; + cmark_chunk *url; + cmark_node *link_text; + char *realurl; + int realurllen; + + if (node->type != CMARK_NODE_LINK) { + return false; + } + + url = &node->as.link.url; + if (url->len == 0 || scan_scheme(url, 0) == 0) { + return false; + } + + title = &node->as.link.title; + // if it has a title, we can't treat it as an autolink: + if (title->len > 0) { + return false; + } + + link_text = node->first_child; + if (link_text == NULL) { + return false; + } + cmark_consolidate_text_nodes(link_text); + realurl = (char *)url->data; + realurllen = url->len; + if (strncmp(realurl, "mailto:", 7) == 0) { + realurl += 7; + realurllen -= 7; + } + return (realurllen == link_text->as.literal.len && + strncmp(realurl, (char *)link_text->as.literal.data, + link_text->as.literal.len) == 0); +} + +static int S_render_node(cmark_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + int list_number; + cmark_delim_type list_delim; + int numticks; + bool extra_spaces; + int i; + bool entering = (ev_type == CMARK_EVENT_ENTER); + const char *info, *code, *title; + char fencechar[2] = {'\0', '\0'}; + size_t info_len, code_len; + char listmarker[LISTMARKER_SIZE]; + const char *emph_delim; + bool first_in_list_item; + bufsize_t marker_width; + bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options) && + !(CMARK_OPT_HARDBREAKS & options); + + // Don't adjust tight list status til we've started the list. + // Otherwise we loose the blank line between a paragraph and + // a following list. + if (entering) { + if (node->parent && node->parent->type == CMARK_NODE_ITEM) { + renderer->in_tight_list_item = node->parent->parent->as.list.tight; + } + } else { + if (node->type == CMARK_NODE_LIST) { + renderer->in_tight_list_item = + node->parent && + node->parent->type == CMARK_NODE_ITEM && + node->parent->parent->as.list.tight; + } + } + + if (node->extension && node->extension->commonmark_render_func) { + node->extension->commonmark_render_func(node->extension, renderer, node, ev_type, options); + return 1; + } + + switch (node->type) { + case CMARK_NODE_DOCUMENT: + break; + + case CMARK_NODE_BLOCK_QUOTE: + if (entering) { + LIT("> "); + renderer->begin_content = true; + cmark_strbuf_puts(renderer->prefix, "> "); + } else { + cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 2); + BLANKLINE(); + } + break; + + case CMARK_NODE_LIST: + if (!entering && node->next && (node->next->type == CMARK_NODE_CODE_BLOCK || + node->next->type == CMARK_NODE_LIST)) { + // this ensures that a following indented code block or list will be + // inteprereted correctly. + CR(); + LIT(""); + BLANKLINE(); + } + break; + + case CMARK_NODE_ITEM: + if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) { + marker_width = 4; + } else { + list_number = cmark_node_get_item_index(node); + list_delim = cmark_node_get_list_delim(node->parent); + // we ensure a width of at least 4 so + // we get nice transition from single digits + // to double + snprintf(listmarker, LISTMARKER_SIZE, "%d%s%s", list_number, + list_delim == CMARK_PAREN_DELIM ? ")" : ".", + list_number < 10 ? " " : " "); + marker_width = (bufsize_t)strlen(listmarker); + } + if (entering) { + if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) { + LIT(" - "); + renderer->begin_content = true; + } else { + LIT(listmarker); + renderer->begin_content = true; + } + for (i = marker_width; i--;) { + cmark_strbuf_putc(renderer->prefix, ' '); + } + } else { + cmark_strbuf_truncate(renderer->prefix, + renderer->prefix->size - marker_width); + CR(); + } + break; + + case CMARK_NODE_HEADING: + if (entering) { + for (i = cmark_node_get_heading_level(node); i > 0; i--) { + LIT("#"); + } + LIT(" "); + renderer->begin_content = true; + renderer->no_linebreaks = true; + } else { + renderer->no_linebreaks = false; + BLANKLINE(); + } + break; + + case CMARK_NODE_CODE_BLOCK: + first_in_list_item = node->prev == NULL && node->parent && + node->parent->type == CMARK_NODE_ITEM; + + if (!first_in_list_item) { + BLANKLINE(); + } + info = cmark_node_get_fence_info(node); + info_len = strlen(info); + fencechar[0] = strchr(info, '`') == NULL ? '`' : '~'; + code = cmark_node_get_literal(node); + code_len = strlen(code); + // use indented form if no info, and code doesn't + // begin or end with a blank line, and code isn't + // first thing in a list item + if (info_len == 0 && (code_len > 2 && !cmark_isspace(code[0]) && + !(cmark_isspace(code[code_len - 1]) && + cmark_isspace(code[code_len - 2]))) && + !first_in_list_item) { + LIT(" "); + cmark_strbuf_puts(renderer->prefix, " "); + OUT(cmark_node_get_literal(node), false, LITERAL); + cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 4); + } else { + numticks = longest_backtick_sequence(code) + 1; + if (numticks < 3) { + numticks = 3; + } + for (i = 0; i < numticks; i++) { + LIT(fencechar); + } + LIT(" "); + OUT(info, false, LITERAL); + CR(); + OUT(cmark_node_get_literal(node), false, LITERAL); + CR(); + for (i = 0; i < numticks; i++) { + LIT(fencechar); + } + } + BLANKLINE(); + break; + + case CMARK_NODE_HTML_BLOCK: + BLANKLINE(); + OUT(cmark_node_get_literal(node), false, LITERAL); + BLANKLINE(); + break; + + case CMARK_NODE_CUSTOM_BLOCK: + BLANKLINE(); + OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node), + false, LITERAL); + BLANKLINE(); + break; + + case CMARK_NODE_THEMATIC_BREAK: + BLANKLINE(); + LIT("-----"); + BLANKLINE(); + break; + + case CMARK_NODE_PARAGRAPH: + if (!entering) { + BLANKLINE(); + } + break; + + case CMARK_NODE_TEXT: + OUT(cmark_node_get_literal(node), allow_wrap, NORMAL); + break; + + case CMARK_NODE_LINEBREAK: + if (!(CMARK_OPT_HARDBREAKS & options)) { + LIT(" "); + } + CR(); + break; + + case CMARK_NODE_SOFTBREAK: + if (CMARK_OPT_HARDBREAKS & options) { + LIT(" "); + CR(); + } else if (!renderer->no_linebreaks && renderer->width == 0 && + !(CMARK_OPT_HARDBREAKS & options) && + !(CMARK_OPT_NOBREAKS & options)) { + CR(); + } else { + OUT(" ", allow_wrap, LITERAL); + } + break; + + case CMARK_NODE_CODE: + code = cmark_node_get_literal(node); + code_len = strlen(code); + numticks = shortest_unused_backtick_sequence(code); + extra_spaces = code_len == 0 || + code[0] == '`' || code[code_len - 1] == '`' || + code[0] == ' ' || code[code_len - 1] == ' '; + for (i = 0; i < numticks; i++) { + LIT("`"); + } + if (extra_spaces) { + LIT(" "); + } + OUT(cmark_node_get_literal(node), allow_wrap, LITERAL); + if (extra_spaces) { + LIT(" "); + } + for (i = 0; i < numticks; i++) { + LIT("`"); + } + break; + + case CMARK_NODE_HTML_INLINE: + OUT(cmark_node_get_literal(node), false, LITERAL); + break; + + case CMARK_NODE_CUSTOM_INLINE: + OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node), + false, LITERAL); + break; + + case CMARK_NODE_STRONG: + if (node->parent == NULL || node->parent->type != CMARK_NODE_STRONG) { + if (entering) { + LIT("**"); + } else { + LIT("**"); + } + } + break; + + case CMARK_NODE_EMPH: + // If we have EMPH(EMPH(x)), we need to use *_x_* + // because **x** is STRONG(x): + if (node->parent && node->parent->type == CMARK_NODE_EMPH && + node->next == NULL && node->prev == NULL) { + emph_delim = "_"; + } else { + emph_delim = "*"; + } + if (entering) { + LIT(emph_delim); + } else { + LIT(emph_delim); + } + break; + + case CMARK_NODE_LINK: + if (is_autolink(node)) { + if (entering) { + LIT("<"); + if (strncmp(cmark_node_get_url(node), "mailto:", 7) == 0) { + LIT((const char *)cmark_node_get_url(node) + 7); + } else { + LIT((const char *)cmark_node_get_url(node)); + } + LIT(">"); + // return signal to skip contents of node... + return 0; + } + } else { + if (entering) { + LIT("["); + } else { + LIT("]("); + OUT(cmark_node_get_url(node), false, URL); + title = cmark_node_get_title(node); + if (strlen(title) > 0) { + LIT(" \""); + OUT(title, false, TITLE); + LIT("\""); + } + LIT(")"); + } + } + break; + + case CMARK_NODE_IMAGE: + if (entering) { + LIT("!["); + } else { + LIT("]("); + OUT(cmark_node_get_url(node), false, URL); + title = cmark_node_get_title(node); + if (strlen(title) > 0) { + OUT(" \"", allow_wrap, LITERAL); + OUT(title, false, TITLE); + LIT("\""); + } + LIT(")"); + } + break; + + case CMARK_NODE_ATTRIBUTE: + if (entering) { + LIT("^["); + } else { + LIT("]("); + OUT(cmark_node_get_attributes(node), false, LITERAL); + LIT(")"); + } + break; + + case CMARK_NODE_FOOTNOTE_REFERENCE: + if (entering) { + LIT("[^"); + + char *footnote_label = renderer->mem->calloc(node->parent_footnote_def->as.literal.len + 1, sizeof(char)); + memmove(footnote_label, node->parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len); + + OUT(footnote_label, false, LITERAL); + renderer->mem->free(footnote_label); + + LIT("]"); + } + break; + + case CMARK_NODE_FOOTNOTE_DEFINITION: + if (entering) { + renderer->footnote_ix += 1; + LIT("[^"); + + char *footnote_label = renderer->mem->calloc(node->as.literal.len + 1, sizeof(char)); + memmove(footnote_label, node->as.literal.data, node->as.literal.len); + + OUT(footnote_label, false, LITERAL); + renderer->mem->free(footnote_label); + + LIT("]:\n"); + + cmark_strbuf_puts(renderer->prefix, " "); + } else { + cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 4); + } + break; + + default: + assert(false); + break; + } + + return 1; +} + +char *cmark_render_commonmark(cmark_node *root, int options, int width) { + return cmark_render_commonmark_with_mem(root, options, width, cmark_node_mem(root)); +} + +char *cmark_render_commonmark_with_mem(cmark_node *root, int options, int width, cmark_mem *mem) { + if (options & CMARK_OPT_HARDBREAKS) { + // disable breaking on width, since it has + // a different meaning with OPT_HARDBREAKS + width = 0; + } + return cmark_render(mem, root, options, width, outc, S_render_node); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/entities.inc b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/entities.inc new file mode 100644 index 0000000000..a7c36e26da --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/entities.inc @@ -0,0 +1,2138 @@ +/* Autogenerated by tools/make_headers_inc.py */ + +struct cmark_entity_node { + unsigned char *entity; + unsigned char bytes[8]; +}; + +#define CMARK_ENTITY_MIN_LENGTH 2 +#define CMARK_ENTITY_MAX_LENGTH 32 +#define CMARK_NUM_ENTITIES 2125 + +static const struct cmark_entity_node cmark_entities[] = { +{(unsigned char*)"AElig", {195, 134, 0}}, +{(unsigned char*)"AMP", {38, 0}}, +{(unsigned char*)"Aacute", {195, 129, 0}}, +{(unsigned char*)"Abreve", {196, 130, 0}}, +{(unsigned char*)"Acirc", {195, 130, 0}}, +{(unsigned char*)"Acy", {208, 144, 0}}, +{(unsigned char*)"Afr", {240, 157, 148, 132, 0}}, +{(unsigned char*)"Agrave", {195, 128, 0}}, +{(unsigned char*)"Alpha", {206, 145, 0}}, +{(unsigned char*)"Amacr", {196, 128, 0}}, +{(unsigned char*)"And", {226, 169, 147, 0}}, +{(unsigned char*)"Aogon", {196, 132, 0}}, +{(unsigned char*)"Aopf", {240, 157, 148, 184, 0}}, +{(unsigned char*)"ApplyFunction", {226, 129, 161, 0}}, +{(unsigned char*)"Aring", {195, 133, 0}}, +{(unsigned char*)"Ascr", {240, 157, 146, 156, 0}}, +{(unsigned char*)"Assign", {226, 137, 148, 0}}, +{(unsigned char*)"Atilde", {195, 131, 0}}, +{(unsigned char*)"Auml", {195, 132, 0}}, +{(unsigned char*)"Backslash", {226, 136, 150, 0}}, +{(unsigned char*)"Barv", {226, 171, 167, 0}}, +{(unsigned char*)"Barwed", {226, 140, 134, 0}}, +{(unsigned char*)"Bcy", {208, 145, 0}}, +{(unsigned char*)"Because", {226, 136, 181, 0}}, +{(unsigned char*)"Bernoullis", {226, 132, 172, 0}}, +{(unsigned char*)"Beta", {206, 146, 0}}, +{(unsigned char*)"Bfr", {240, 157, 148, 133, 0}}, +{(unsigned char*)"Bopf", {240, 157, 148, 185, 0}}, +{(unsigned char*)"Breve", {203, 152, 0}}, +{(unsigned char*)"Bscr", {226, 132, 172, 0}}, +{(unsigned char*)"Bumpeq", {226, 137, 142, 0}}, +{(unsigned char*)"CHcy", {208, 167, 0}}, +{(unsigned char*)"COPY", {194, 169, 0}}, +{(unsigned char*)"Cacute", {196, 134, 0}}, +{(unsigned char*)"Cap", {226, 139, 146, 0}}, +{(unsigned char*)"CapitalDifferentialD", {226, 133, 133, 0}}, +{(unsigned char*)"Cayleys", {226, 132, 173, 0}}, +{(unsigned char*)"Ccaron", {196, 140, 0}}, +{(unsigned char*)"Ccedil", {195, 135, 0}}, +{(unsigned char*)"Ccirc", {196, 136, 0}}, +{(unsigned char*)"Cconint", {226, 136, 176, 0}}, +{(unsigned char*)"Cdot", {196, 138, 0}}, +{(unsigned char*)"Cedilla", {194, 184, 0}}, +{(unsigned char*)"CenterDot", {194, 183, 0}}, +{(unsigned char*)"Cfr", {226, 132, 173, 0}}, +{(unsigned char*)"Chi", {206, 167, 0}}, +{(unsigned char*)"CircleDot", {226, 138, 153, 0}}, +{(unsigned char*)"CircleMinus", {226, 138, 150, 0}}, +{(unsigned char*)"CirclePlus", {226, 138, 149, 0}}, +{(unsigned char*)"CircleTimes", {226, 138, 151, 0}}, +{(unsigned char*)"ClockwiseContourIntegral", {226, 136, 178, 0}}, +{(unsigned char*)"CloseCurlyDoubleQuote", {226, 128, 157, 0}}, +{(unsigned char*)"CloseCurlyQuote", {226, 128, 153, 0}}, +{(unsigned char*)"Colon", {226, 136, 183, 0}}, +{(unsigned char*)"Colone", {226, 169, 180, 0}}, +{(unsigned char*)"Congruent", {226, 137, 161, 0}}, +{(unsigned char*)"Conint", {226, 136, 175, 0}}, +{(unsigned char*)"ContourIntegral", {226, 136, 174, 0}}, +{(unsigned char*)"Copf", {226, 132, 130, 0}}, +{(unsigned char*)"Coproduct", {226, 136, 144, 0}}, +{(unsigned char*)"CounterClockwiseContourIntegral", {226, 136, 179, 0}}, +{(unsigned char*)"Cross", {226, 168, 175, 0}}, +{(unsigned char*)"Cscr", {240, 157, 146, 158, 0}}, +{(unsigned char*)"Cup", {226, 139, 147, 0}}, +{(unsigned char*)"CupCap", {226, 137, 141, 0}}, +{(unsigned char*)"DD", {226, 133, 133, 0}}, +{(unsigned char*)"DDotrahd", {226, 164, 145, 0}}, +{(unsigned char*)"DJcy", {208, 130, 0}}, +{(unsigned char*)"DScy", {208, 133, 0}}, +{(unsigned char*)"DZcy", {208, 143, 0}}, +{(unsigned char*)"Dagger", {226, 128, 161, 0}}, +{(unsigned char*)"Darr", {226, 134, 161, 0}}, +{(unsigned char*)"Dashv", {226, 171, 164, 0}}, +{(unsigned char*)"Dcaron", {196, 142, 0}}, +{(unsigned char*)"Dcy", {208, 148, 0}}, +{(unsigned char*)"Del", {226, 136, 135, 0}}, +{(unsigned char*)"Delta", {206, 148, 0}}, +{(unsigned char*)"Dfr", {240, 157, 148, 135, 0}}, +{(unsigned char*)"DiacriticalAcute", {194, 180, 0}}, +{(unsigned char*)"DiacriticalDot", {203, 153, 0}}, +{(unsigned char*)"DiacriticalDoubleAcute", {203, 157, 0}}, +{(unsigned char*)"DiacriticalGrave", {96, 0}}, +{(unsigned char*)"DiacriticalTilde", {203, 156, 0}}, +{(unsigned char*)"Diamond", {226, 139, 132, 0}}, +{(unsigned char*)"DifferentialD", {226, 133, 134, 0}}, +{(unsigned char*)"Dopf", {240, 157, 148, 187, 0}}, +{(unsigned char*)"Dot", {194, 168, 0}}, +{(unsigned char*)"DotDot", {226, 131, 156, 0}}, +{(unsigned char*)"DotEqual", {226, 137, 144, 0}}, +{(unsigned char*)"DoubleContourIntegral", {226, 136, 175, 0}}, +{(unsigned char*)"DoubleDot", {194, 168, 0}}, +{(unsigned char*)"DoubleDownArrow", {226, 135, 147, 0}}, +{(unsigned char*)"DoubleLeftArrow", {226, 135, 144, 0}}, +{(unsigned char*)"DoubleLeftRightArrow", {226, 135, 148, 0}}, +{(unsigned char*)"DoubleLeftTee", {226, 171, 164, 0}}, +{(unsigned char*)"DoubleLongLeftArrow", {226, 159, 184, 0}}, +{(unsigned char*)"DoubleLongLeftRightArrow", {226, 159, 186, 0}}, +{(unsigned char*)"DoubleLongRightArrow", {226, 159, 185, 0}}, +{(unsigned char*)"DoubleRightArrow", {226, 135, 146, 0}}, +{(unsigned char*)"DoubleRightTee", {226, 138, 168, 0}}, +{(unsigned char*)"DoubleUpArrow", {226, 135, 145, 0}}, +{(unsigned char*)"DoubleUpDownArrow", {226, 135, 149, 0}}, +{(unsigned char*)"DoubleVerticalBar", {226, 136, 165, 0}}, +{(unsigned char*)"DownArrow", {226, 134, 147, 0}}, +{(unsigned char*)"DownArrowBar", {226, 164, 147, 0}}, +{(unsigned char*)"DownArrowUpArrow", {226, 135, 181, 0}}, +{(unsigned char*)"DownBreve", {204, 145, 0}}, +{(unsigned char*)"DownLeftRightVector", {226, 165, 144, 0}}, +{(unsigned char*)"DownLeftTeeVector", {226, 165, 158, 0}}, +{(unsigned char*)"DownLeftVector", {226, 134, 189, 0}}, +{(unsigned char*)"DownLeftVectorBar", {226, 165, 150, 0}}, +{(unsigned char*)"DownRightTeeVector", {226, 165, 159, 0}}, +{(unsigned char*)"DownRightVector", {226, 135, 129, 0}}, +{(unsigned char*)"DownRightVectorBar", {226, 165, 151, 0}}, +{(unsigned char*)"DownTee", {226, 138, 164, 0}}, +{(unsigned char*)"DownTeeArrow", {226, 134, 167, 0}}, +{(unsigned char*)"Downarrow", {226, 135, 147, 0}}, +{(unsigned char*)"Dscr", {240, 157, 146, 159, 0}}, +{(unsigned char*)"Dstrok", {196, 144, 0}}, +{(unsigned char*)"ENG", {197, 138, 0}}, +{(unsigned char*)"ETH", {195, 144, 0}}, +{(unsigned char*)"Eacute", {195, 137, 0}}, +{(unsigned char*)"Ecaron", {196, 154, 0}}, +{(unsigned char*)"Ecirc", {195, 138, 0}}, +{(unsigned char*)"Ecy", {208, 173, 0}}, +{(unsigned char*)"Edot", {196, 150, 0}}, +{(unsigned char*)"Efr", {240, 157, 148, 136, 0}}, +{(unsigned char*)"Egrave", {195, 136, 0}}, +{(unsigned char*)"Element", {226, 136, 136, 0}}, +{(unsigned char*)"Emacr", {196, 146, 0}}, +{(unsigned char*)"EmptySmallSquare", {226, 151, 187, 0}}, +{(unsigned char*)"EmptyVerySmallSquare", {226, 150, 171, 0}}, +{(unsigned char*)"Eogon", {196, 152, 0}}, +{(unsigned char*)"Eopf", {240, 157, 148, 188, 0}}, +{(unsigned char*)"Epsilon", {206, 149, 0}}, +{(unsigned char*)"Equal", {226, 169, 181, 0}}, +{(unsigned char*)"EqualTilde", {226, 137, 130, 0}}, +{(unsigned char*)"Equilibrium", {226, 135, 140, 0}}, +{(unsigned char*)"Escr", {226, 132, 176, 0}}, +{(unsigned char*)"Esim", {226, 169, 179, 0}}, +{(unsigned char*)"Eta", {206, 151, 0}}, +{(unsigned char*)"Euml", {195, 139, 0}}, +{(unsigned char*)"Exists", {226, 136, 131, 0}}, +{(unsigned char*)"ExponentialE", {226, 133, 135, 0}}, +{(unsigned char*)"Fcy", {208, 164, 0}}, +{(unsigned char*)"Ffr", {240, 157, 148, 137, 0}}, +{(unsigned char*)"FilledSmallSquare", {226, 151, 188, 0}}, +{(unsigned char*)"FilledVerySmallSquare", {226, 150, 170, 0}}, +{(unsigned char*)"Fopf", {240, 157, 148, 189, 0}}, +{(unsigned char*)"ForAll", {226, 136, 128, 0}}, +{(unsigned char*)"Fouriertrf", {226, 132, 177, 0}}, +{(unsigned char*)"Fscr", {226, 132, 177, 0}}, +{(unsigned char*)"GJcy", {208, 131, 0}}, +{(unsigned char*)"GT", {62, 0}}, +{(unsigned char*)"Gamma", {206, 147, 0}}, +{(unsigned char*)"Gammad", {207, 156, 0}}, +{(unsigned char*)"Gbreve", {196, 158, 0}}, +{(unsigned char*)"Gcedil", {196, 162, 0}}, +{(unsigned char*)"Gcirc", {196, 156, 0}}, +{(unsigned char*)"Gcy", {208, 147, 0}}, +{(unsigned char*)"Gdot", {196, 160, 0}}, +{(unsigned char*)"Gfr", {240, 157, 148, 138, 0}}, +{(unsigned char*)"Gg", {226, 139, 153, 0}}, +{(unsigned char*)"Gopf", {240, 157, 148, 190, 0}}, +{(unsigned char*)"GreaterEqual", {226, 137, 165, 0}}, +{(unsigned char*)"GreaterEqualLess", {226, 139, 155, 0}}, +{(unsigned char*)"GreaterFullEqual", {226, 137, 167, 0}}, +{(unsigned char*)"GreaterGreater", {226, 170, 162, 0}}, +{(unsigned char*)"GreaterLess", {226, 137, 183, 0}}, +{(unsigned char*)"GreaterSlantEqual", {226, 169, 190, 0}}, +{(unsigned char*)"GreaterTilde", {226, 137, 179, 0}}, +{(unsigned char*)"Gscr", {240, 157, 146, 162, 0}}, +{(unsigned char*)"Gt", {226, 137, 171, 0}}, +{(unsigned char*)"HARDcy", {208, 170, 0}}, +{(unsigned char*)"Hacek", {203, 135, 0}}, +{(unsigned char*)"Hat", {94, 0}}, +{(unsigned char*)"Hcirc", {196, 164, 0}}, +{(unsigned char*)"Hfr", {226, 132, 140, 0}}, +{(unsigned char*)"HilbertSpace", {226, 132, 139, 0}}, +{(unsigned char*)"Hopf", {226, 132, 141, 0}}, +{(unsigned char*)"HorizontalLine", {226, 148, 128, 0}}, +{(unsigned char*)"Hscr", {226, 132, 139, 0}}, +{(unsigned char*)"Hstrok", {196, 166, 0}}, +{(unsigned char*)"HumpDownHump", {226, 137, 142, 0}}, +{(unsigned char*)"HumpEqual", {226, 137, 143, 0}}, +{(unsigned char*)"IEcy", {208, 149, 0}}, +{(unsigned char*)"IJlig", {196, 178, 0}}, +{(unsigned char*)"IOcy", {208, 129, 0}}, +{(unsigned char*)"Iacute", {195, 141, 0}}, +{(unsigned char*)"Icirc", {195, 142, 0}}, +{(unsigned char*)"Icy", {208, 152, 0}}, +{(unsigned char*)"Idot", {196, 176, 0}}, +{(unsigned char*)"Ifr", {226, 132, 145, 0}}, +{(unsigned char*)"Igrave", {195, 140, 0}}, +{(unsigned char*)"Im", {226, 132, 145, 0}}, +{(unsigned char*)"Imacr", {196, 170, 0}}, +{(unsigned char*)"ImaginaryI", {226, 133, 136, 0}}, +{(unsigned char*)"Implies", {226, 135, 146, 0}}, +{(unsigned char*)"Int", {226, 136, 172, 0}}, +{(unsigned char*)"Integral", {226, 136, 171, 0}}, +{(unsigned char*)"Intersection", {226, 139, 130, 0}}, +{(unsigned char*)"InvisibleComma", {226, 129, 163, 0}}, +{(unsigned char*)"InvisibleTimes", {226, 129, 162, 0}}, +{(unsigned char*)"Iogon", {196, 174, 0}}, +{(unsigned char*)"Iopf", {240, 157, 149, 128, 0}}, +{(unsigned char*)"Iota", {206, 153, 0}}, +{(unsigned char*)"Iscr", {226, 132, 144, 0}}, +{(unsigned char*)"Itilde", {196, 168, 0}}, +{(unsigned char*)"Iukcy", {208, 134, 0}}, +{(unsigned char*)"Iuml", {195, 143, 0}}, +{(unsigned char*)"Jcirc", {196, 180, 0}}, +{(unsigned char*)"Jcy", {208, 153, 0}}, +{(unsigned char*)"Jfr", {240, 157, 148, 141, 0}}, +{(unsigned char*)"Jopf", {240, 157, 149, 129, 0}}, +{(unsigned char*)"Jscr", {240, 157, 146, 165, 0}}, +{(unsigned char*)"Jsercy", {208, 136, 0}}, +{(unsigned char*)"Jukcy", {208, 132, 0}}, +{(unsigned char*)"KHcy", {208, 165, 0}}, +{(unsigned char*)"KJcy", {208, 140, 0}}, +{(unsigned char*)"Kappa", {206, 154, 0}}, +{(unsigned char*)"Kcedil", {196, 182, 0}}, +{(unsigned char*)"Kcy", {208, 154, 0}}, +{(unsigned char*)"Kfr", {240, 157, 148, 142, 0}}, +{(unsigned char*)"Kopf", {240, 157, 149, 130, 0}}, +{(unsigned char*)"Kscr", {240, 157, 146, 166, 0}}, +{(unsigned char*)"LJcy", {208, 137, 0}}, +{(unsigned char*)"LT", {60, 0}}, +{(unsigned char*)"Lacute", {196, 185, 0}}, +{(unsigned char*)"Lambda", {206, 155, 0}}, +{(unsigned char*)"Lang", {226, 159, 170, 0}}, +{(unsigned char*)"Laplacetrf", {226, 132, 146, 0}}, +{(unsigned char*)"Larr", {226, 134, 158, 0}}, +{(unsigned char*)"Lcaron", {196, 189, 0}}, +{(unsigned char*)"Lcedil", {196, 187, 0}}, +{(unsigned char*)"Lcy", {208, 155, 0}}, +{(unsigned char*)"LeftAngleBracket", {226, 159, 168, 0}}, +{(unsigned char*)"LeftArrow", {226, 134, 144, 0}}, +{(unsigned char*)"LeftArrowBar", {226, 135, 164, 0}}, +{(unsigned char*)"LeftArrowRightArrow", {226, 135, 134, 0}}, +{(unsigned char*)"LeftCeiling", {226, 140, 136, 0}}, +{(unsigned char*)"LeftDoubleBracket", {226, 159, 166, 0}}, +{(unsigned char*)"LeftDownTeeVector", {226, 165, 161, 0}}, +{(unsigned char*)"LeftDownVector", {226, 135, 131, 0}}, +{(unsigned char*)"LeftDownVectorBar", {226, 165, 153, 0}}, +{(unsigned char*)"LeftFloor", {226, 140, 138, 0}}, +{(unsigned char*)"LeftRightArrow", {226, 134, 148, 0}}, +{(unsigned char*)"LeftRightVector", {226, 165, 142, 0}}, +{(unsigned char*)"LeftTee", {226, 138, 163, 0}}, +{(unsigned char*)"LeftTeeArrow", {226, 134, 164, 0}}, +{(unsigned char*)"LeftTeeVector", {226, 165, 154, 0}}, +{(unsigned char*)"LeftTriangle", {226, 138, 178, 0}}, +{(unsigned char*)"LeftTriangleBar", {226, 167, 143, 0}}, +{(unsigned char*)"LeftTriangleEqual", {226, 138, 180, 0}}, +{(unsigned char*)"LeftUpDownVector", {226, 165, 145, 0}}, +{(unsigned char*)"LeftUpTeeVector", {226, 165, 160, 0}}, +{(unsigned char*)"LeftUpVector", {226, 134, 191, 0}}, +{(unsigned char*)"LeftUpVectorBar", {226, 165, 152, 0}}, +{(unsigned char*)"LeftVector", {226, 134, 188, 0}}, +{(unsigned char*)"LeftVectorBar", {226, 165, 146, 0}}, +{(unsigned char*)"Leftarrow", {226, 135, 144, 0}}, +{(unsigned char*)"Leftrightarrow", {226, 135, 148, 0}}, +{(unsigned char*)"LessEqualGreater", {226, 139, 154, 0}}, +{(unsigned char*)"LessFullEqual", {226, 137, 166, 0}}, +{(unsigned char*)"LessGreater", {226, 137, 182, 0}}, +{(unsigned char*)"LessLess", {226, 170, 161, 0}}, +{(unsigned char*)"LessSlantEqual", {226, 169, 189, 0}}, +{(unsigned char*)"LessTilde", {226, 137, 178, 0}}, +{(unsigned char*)"Lfr", {240, 157, 148, 143, 0}}, +{(unsigned char*)"Ll", {226, 139, 152, 0}}, +{(unsigned char*)"Lleftarrow", {226, 135, 154, 0}}, +{(unsigned char*)"Lmidot", {196, 191, 0}}, +{(unsigned char*)"LongLeftArrow", {226, 159, 181, 0}}, +{(unsigned char*)"LongLeftRightArrow", {226, 159, 183, 0}}, +{(unsigned char*)"LongRightArrow", {226, 159, 182, 0}}, +{(unsigned char*)"Longleftarrow", {226, 159, 184, 0}}, +{(unsigned char*)"Longleftrightarrow", {226, 159, 186, 0}}, +{(unsigned char*)"Longrightarrow", {226, 159, 185, 0}}, +{(unsigned char*)"Lopf", {240, 157, 149, 131, 0}}, +{(unsigned char*)"LowerLeftArrow", {226, 134, 153, 0}}, +{(unsigned char*)"LowerRightArrow", {226, 134, 152, 0}}, +{(unsigned char*)"Lscr", {226, 132, 146, 0}}, +{(unsigned char*)"Lsh", {226, 134, 176, 0}}, +{(unsigned char*)"Lstrok", {197, 129, 0}}, +{(unsigned char*)"Lt", {226, 137, 170, 0}}, +{(unsigned char*)"Map", {226, 164, 133, 0}}, +{(unsigned char*)"Mcy", {208, 156, 0}}, +{(unsigned char*)"MediumSpace", {226, 129, 159, 0}}, +{(unsigned char*)"Mellintrf", {226, 132, 179, 0}}, +{(unsigned char*)"Mfr", {240, 157, 148, 144, 0}}, +{(unsigned char*)"MinusPlus", {226, 136, 147, 0}}, +{(unsigned char*)"Mopf", {240, 157, 149, 132, 0}}, +{(unsigned char*)"Mscr", {226, 132, 179, 0}}, +{(unsigned char*)"Mu", {206, 156, 0}}, +{(unsigned char*)"NJcy", {208, 138, 0}}, +{(unsigned char*)"Nacute", {197, 131, 0}}, +{(unsigned char*)"Ncaron", {197, 135, 0}}, +{(unsigned char*)"Ncedil", {197, 133, 0}}, +{(unsigned char*)"Ncy", {208, 157, 0}}, +{(unsigned char*)"NegativeMediumSpace", {226, 128, 139, 0}}, +{(unsigned char*)"NegativeThickSpace", {226, 128, 139, 0}}, +{(unsigned char*)"NegativeThinSpace", {226, 128, 139, 0}}, +{(unsigned char*)"NegativeVeryThinSpace", {226, 128, 139, 0}}, +{(unsigned char*)"NestedGreaterGreater", {226, 137, 171, 0}}, +{(unsigned char*)"NestedLessLess", {226, 137, 170, 0}}, +{(unsigned char*)"NewLine", {10, 0}}, +{(unsigned char*)"Nfr", {240, 157, 148, 145, 0}}, +{(unsigned char*)"NoBreak", {226, 129, 160, 0}}, +{(unsigned char*)"NonBreakingSpace", {194, 160, 0}}, +{(unsigned char*)"Nopf", {226, 132, 149, 0}}, +{(unsigned char*)"Not", {226, 171, 172, 0}}, +{(unsigned char*)"NotCongruent", {226, 137, 162, 0}}, +{(unsigned char*)"NotCupCap", {226, 137, 173, 0}}, +{(unsigned char*)"NotDoubleVerticalBar", {226, 136, 166, 0}}, +{(unsigned char*)"NotElement", {226, 136, 137, 0}}, +{(unsigned char*)"NotEqual", {226, 137, 160, 0}}, +{(unsigned char*)"NotEqualTilde", {226, 137, 130, 204, 184, 0}}, +{(unsigned char*)"NotExists", {226, 136, 132, 0}}, +{(unsigned char*)"NotGreater", {226, 137, 175, 0}}, +{(unsigned char*)"NotGreaterEqual", {226, 137, 177, 0}}, +{(unsigned char*)"NotGreaterFullEqual", {226, 137, 167, 204, 184, 0}}, +{(unsigned char*)"NotGreaterGreater", {226, 137, 171, 204, 184, 0}}, +{(unsigned char*)"NotGreaterLess", {226, 137, 185, 0}}, +{(unsigned char*)"NotGreaterSlantEqual", {226, 169, 190, 204, 184, 0}}, +{(unsigned char*)"NotGreaterTilde", {226, 137, 181, 0}}, +{(unsigned char*)"NotHumpDownHump", {226, 137, 142, 204, 184, 0}}, +{(unsigned char*)"NotHumpEqual", {226, 137, 143, 204, 184, 0}}, +{(unsigned char*)"NotLeftTriangle", {226, 139, 170, 0}}, +{(unsigned char*)"NotLeftTriangleBar", {226, 167, 143, 204, 184, 0}}, +{(unsigned char*)"NotLeftTriangleEqual", {226, 139, 172, 0}}, +{(unsigned char*)"NotLess", {226, 137, 174, 0}}, +{(unsigned char*)"NotLessEqual", {226, 137, 176, 0}}, +{(unsigned char*)"NotLessGreater", {226, 137, 184, 0}}, +{(unsigned char*)"NotLessLess", {226, 137, 170, 204, 184, 0}}, +{(unsigned char*)"NotLessSlantEqual", {226, 169, 189, 204, 184, 0}}, +{(unsigned char*)"NotLessTilde", {226, 137, 180, 0}}, +{(unsigned char*)"NotNestedGreaterGreater", {226, 170, 162, 204, 184, 0}}, +{(unsigned char*)"NotNestedLessLess", {226, 170, 161, 204, 184, 0}}, +{(unsigned char*)"NotPrecedes", {226, 138, 128, 0}}, +{(unsigned char*)"NotPrecedesEqual", {226, 170, 175, 204, 184, 0}}, +{(unsigned char*)"NotPrecedesSlantEqual", {226, 139, 160, 0}}, +{(unsigned char*)"NotReverseElement", {226, 136, 140, 0}}, +{(unsigned char*)"NotRightTriangle", {226, 139, 171, 0}}, +{(unsigned char*)"NotRightTriangleBar", {226, 167, 144, 204, 184, 0}}, +{(unsigned char*)"NotRightTriangleEqual", {226, 139, 173, 0}}, +{(unsigned char*)"NotSquareSubset", {226, 138, 143, 204, 184, 0}}, +{(unsigned char*)"NotSquareSubsetEqual", {226, 139, 162, 0}}, +{(unsigned char*)"NotSquareSuperset", {226, 138, 144, 204, 184, 0}}, +{(unsigned char*)"NotSquareSupersetEqual", {226, 139, 163, 0}}, +{(unsigned char*)"NotSubset", {226, 138, 130, 226, 131, 146, 0}}, +{(unsigned char*)"NotSubsetEqual", {226, 138, 136, 0}}, +{(unsigned char*)"NotSucceeds", {226, 138, 129, 0}}, +{(unsigned char*)"NotSucceedsEqual", {226, 170, 176, 204, 184, 0}}, +{(unsigned char*)"NotSucceedsSlantEqual", {226, 139, 161, 0}}, +{(unsigned char*)"NotSucceedsTilde", {226, 137, 191, 204, 184, 0}}, +{(unsigned char*)"NotSuperset", {226, 138, 131, 226, 131, 146, 0}}, +{(unsigned char*)"NotSupersetEqual", {226, 138, 137, 0}}, +{(unsigned char*)"NotTilde", {226, 137, 129, 0}}, +{(unsigned char*)"NotTildeEqual", {226, 137, 132, 0}}, +{(unsigned char*)"NotTildeFullEqual", {226, 137, 135, 0}}, +{(unsigned char*)"NotTildeTilde", {226, 137, 137, 0}}, +{(unsigned char*)"NotVerticalBar", {226, 136, 164, 0}}, +{(unsigned char*)"Nscr", {240, 157, 146, 169, 0}}, +{(unsigned char*)"Ntilde", {195, 145, 0}}, +{(unsigned char*)"Nu", {206, 157, 0}}, +{(unsigned char*)"OElig", {197, 146, 0}}, +{(unsigned char*)"Oacute", {195, 147, 0}}, +{(unsigned char*)"Ocirc", {195, 148, 0}}, +{(unsigned char*)"Ocy", {208, 158, 0}}, +{(unsigned char*)"Odblac", {197, 144, 0}}, +{(unsigned char*)"Ofr", {240, 157, 148, 146, 0}}, +{(unsigned char*)"Ograve", {195, 146, 0}}, +{(unsigned char*)"Omacr", {197, 140, 0}}, +{(unsigned char*)"Omega", {206, 169, 0}}, +{(unsigned char*)"Omicron", {206, 159, 0}}, +{(unsigned char*)"Oopf", {240, 157, 149, 134, 0}}, +{(unsigned char*)"OpenCurlyDoubleQuote", {226, 128, 156, 0}}, +{(unsigned char*)"OpenCurlyQuote", {226, 128, 152, 0}}, +{(unsigned char*)"Or", {226, 169, 148, 0}}, +{(unsigned char*)"Oscr", {240, 157, 146, 170, 0}}, +{(unsigned char*)"Oslash", {195, 152, 0}}, +{(unsigned char*)"Otilde", {195, 149, 0}}, +{(unsigned char*)"Otimes", {226, 168, 183, 0}}, +{(unsigned char*)"Ouml", {195, 150, 0}}, +{(unsigned char*)"OverBar", {226, 128, 190, 0}}, +{(unsigned char*)"OverBrace", {226, 143, 158, 0}}, +{(unsigned char*)"OverBracket", {226, 142, 180, 0}}, +{(unsigned char*)"OverParenthesis", {226, 143, 156, 0}}, +{(unsigned char*)"PartialD", {226, 136, 130, 0}}, +{(unsigned char*)"Pcy", {208, 159, 0}}, +{(unsigned char*)"Pfr", {240, 157, 148, 147, 0}}, +{(unsigned char*)"Phi", {206, 166, 0}}, +{(unsigned char*)"Pi", {206, 160, 0}}, +{(unsigned char*)"PlusMinus", {194, 177, 0}}, +{(unsigned char*)"Poincareplane", {226, 132, 140, 0}}, +{(unsigned char*)"Popf", {226, 132, 153, 0}}, +{(unsigned char*)"Pr", {226, 170, 187, 0}}, +{(unsigned char*)"Precedes", {226, 137, 186, 0}}, +{(unsigned char*)"PrecedesEqual", {226, 170, 175, 0}}, +{(unsigned char*)"PrecedesSlantEqual", {226, 137, 188, 0}}, +{(unsigned char*)"PrecedesTilde", {226, 137, 190, 0}}, +{(unsigned char*)"Prime", {226, 128, 179, 0}}, +{(unsigned char*)"Product", {226, 136, 143, 0}}, +{(unsigned char*)"Proportion", {226, 136, 183, 0}}, +{(unsigned char*)"Proportional", {226, 136, 157, 0}}, +{(unsigned char*)"Pscr", {240, 157, 146, 171, 0}}, +{(unsigned char*)"Psi", {206, 168, 0}}, +{(unsigned char*)"QUOT", {34, 0}}, +{(unsigned char*)"Qfr", {240, 157, 148, 148, 0}}, +{(unsigned char*)"Qopf", {226, 132, 154, 0}}, +{(unsigned char*)"Qscr", {240, 157, 146, 172, 0}}, +{(unsigned char*)"RBarr", {226, 164, 144, 0}}, +{(unsigned char*)"REG", {194, 174, 0}}, +{(unsigned char*)"Racute", {197, 148, 0}}, +{(unsigned char*)"Rang", {226, 159, 171, 0}}, +{(unsigned char*)"Rarr", {226, 134, 160, 0}}, +{(unsigned char*)"Rarrtl", {226, 164, 150, 0}}, +{(unsigned char*)"Rcaron", {197, 152, 0}}, +{(unsigned char*)"Rcedil", {197, 150, 0}}, +{(unsigned char*)"Rcy", {208, 160, 0}}, +{(unsigned char*)"Re", {226, 132, 156, 0}}, +{(unsigned char*)"ReverseElement", {226, 136, 139, 0}}, +{(unsigned char*)"ReverseEquilibrium", {226, 135, 139, 0}}, +{(unsigned char*)"ReverseUpEquilibrium", {226, 165, 175, 0}}, +{(unsigned char*)"Rfr", {226, 132, 156, 0}}, +{(unsigned char*)"Rho", {206, 161, 0}}, +{(unsigned char*)"RightAngleBracket", {226, 159, 169, 0}}, +{(unsigned char*)"RightArrow", {226, 134, 146, 0}}, +{(unsigned char*)"RightArrowBar", {226, 135, 165, 0}}, +{(unsigned char*)"RightArrowLeftArrow", {226, 135, 132, 0}}, +{(unsigned char*)"RightCeiling", {226, 140, 137, 0}}, +{(unsigned char*)"RightDoubleBracket", {226, 159, 167, 0}}, +{(unsigned char*)"RightDownTeeVector", {226, 165, 157, 0}}, +{(unsigned char*)"RightDownVector", {226, 135, 130, 0}}, +{(unsigned char*)"RightDownVectorBar", {226, 165, 149, 0}}, +{(unsigned char*)"RightFloor", {226, 140, 139, 0}}, +{(unsigned char*)"RightTee", {226, 138, 162, 0}}, +{(unsigned char*)"RightTeeArrow", {226, 134, 166, 0}}, +{(unsigned char*)"RightTeeVector", {226, 165, 155, 0}}, +{(unsigned char*)"RightTriangle", {226, 138, 179, 0}}, +{(unsigned char*)"RightTriangleBar", {226, 167, 144, 0}}, +{(unsigned char*)"RightTriangleEqual", {226, 138, 181, 0}}, +{(unsigned char*)"RightUpDownVector", {226, 165, 143, 0}}, +{(unsigned char*)"RightUpTeeVector", {226, 165, 156, 0}}, +{(unsigned char*)"RightUpVector", {226, 134, 190, 0}}, +{(unsigned char*)"RightUpVectorBar", {226, 165, 148, 0}}, +{(unsigned char*)"RightVector", {226, 135, 128, 0}}, +{(unsigned char*)"RightVectorBar", {226, 165, 147, 0}}, +{(unsigned char*)"Rightarrow", {226, 135, 146, 0}}, +{(unsigned char*)"Ropf", {226, 132, 157, 0}}, +{(unsigned char*)"RoundImplies", {226, 165, 176, 0}}, +{(unsigned char*)"Rrightarrow", {226, 135, 155, 0}}, +{(unsigned char*)"Rscr", {226, 132, 155, 0}}, +{(unsigned char*)"Rsh", {226, 134, 177, 0}}, +{(unsigned char*)"RuleDelayed", {226, 167, 180, 0}}, +{(unsigned char*)"SHCHcy", {208, 169, 0}}, +{(unsigned char*)"SHcy", {208, 168, 0}}, +{(unsigned char*)"SOFTcy", {208, 172, 0}}, +{(unsigned char*)"Sacute", {197, 154, 0}}, +{(unsigned char*)"Sc", {226, 170, 188, 0}}, +{(unsigned char*)"Scaron", {197, 160, 0}}, +{(unsigned char*)"Scedil", {197, 158, 0}}, +{(unsigned char*)"Scirc", {197, 156, 0}}, +{(unsigned char*)"Scy", {208, 161, 0}}, +{(unsigned char*)"Sfr", {240, 157, 148, 150, 0}}, +{(unsigned char*)"ShortDownArrow", {226, 134, 147, 0}}, +{(unsigned char*)"ShortLeftArrow", {226, 134, 144, 0}}, +{(unsigned char*)"ShortRightArrow", {226, 134, 146, 0}}, +{(unsigned char*)"ShortUpArrow", {226, 134, 145, 0}}, +{(unsigned char*)"Sigma", {206, 163, 0}}, +{(unsigned char*)"SmallCircle", {226, 136, 152, 0}}, +{(unsigned char*)"Sopf", {240, 157, 149, 138, 0}}, +{(unsigned char*)"Sqrt", {226, 136, 154, 0}}, +{(unsigned char*)"Square", {226, 150, 161, 0}}, +{(unsigned char*)"SquareIntersection", {226, 138, 147, 0}}, +{(unsigned char*)"SquareSubset", {226, 138, 143, 0}}, +{(unsigned char*)"SquareSubsetEqual", {226, 138, 145, 0}}, +{(unsigned char*)"SquareSuperset", {226, 138, 144, 0}}, +{(unsigned char*)"SquareSupersetEqual", {226, 138, 146, 0}}, +{(unsigned char*)"SquareUnion", {226, 138, 148, 0}}, +{(unsigned char*)"Sscr", {240, 157, 146, 174, 0}}, +{(unsigned char*)"Star", {226, 139, 134, 0}}, +{(unsigned char*)"Sub", {226, 139, 144, 0}}, +{(unsigned char*)"Subset", {226, 139, 144, 0}}, +{(unsigned char*)"SubsetEqual", {226, 138, 134, 0}}, +{(unsigned char*)"Succeeds", {226, 137, 187, 0}}, +{(unsigned char*)"SucceedsEqual", {226, 170, 176, 0}}, +{(unsigned char*)"SucceedsSlantEqual", {226, 137, 189, 0}}, +{(unsigned char*)"SucceedsTilde", {226, 137, 191, 0}}, +{(unsigned char*)"SuchThat", {226, 136, 139, 0}}, +{(unsigned char*)"Sum", {226, 136, 145, 0}}, +{(unsigned char*)"Sup", {226, 139, 145, 0}}, +{(unsigned char*)"Superset", {226, 138, 131, 0}}, +{(unsigned char*)"SupersetEqual", {226, 138, 135, 0}}, +{(unsigned char*)"Supset", {226, 139, 145, 0}}, +{(unsigned char*)"THORN", {195, 158, 0}}, +{(unsigned char*)"TRADE", {226, 132, 162, 0}}, +{(unsigned char*)"TSHcy", {208, 139, 0}}, +{(unsigned char*)"TScy", {208, 166, 0}}, +{(unsigned char*)"Tab", {9, 0}}, +{(unsigned char*)"Tau", {206, 164, 0}}, +{(unsigned char*)"Tcaron", {197, 164, 0}}, +{(unsigned char*)"Tcedil", {197, 162, 0}}, +{(unsigned char*)"Tcy", {208, 162, 0}}, +{(unsigned char*)"Tfr", {240, 157, 148, 151, 0}}, +{(unsigned char*)"Therefore", {226, 136, 180, 0}}, +{(unsigned char*)"Theta", {206, 152, 0}}, +{(unsigned char*)"ThickSpace", {226, 129, 159, 226, 128, 138, 0}}, +{(unsigned char*)"ThinSpace", {226, 128, 137, 0}}, +{(unsigned char*)"Tilde", {226, 136, 188, 0}}, +{(unsigned char*)"TildeEqual", {226, 137, 131, 0}}, +{(unsigned char*)"TildeFullEqual", {226, 137, 133, 0}}, +{(unsigned char*)"TildeTilde", {226, 137, 136, 0}}, +{(unsigned char*)"Topf", {240, 157, 149, 139, 0}}, +{(unsigned char*)"TripleDot", {226, 131, 155, 0}}, +{(unsigned char*)"Tscr", {240, 157, 146, 175, 0}}, +{(unsigned char*)"Tstrok", {197, 166, 0}}, +{(unsigned char*)"Uacute", {195, 154, 0}}, +{(unsigned char*)"Uarr", {226, 134, 159, 0}}, +{(unsigned char*)"Uarrocir", {226, 165, 137, 0}}, +{(unsigned char*)"Ubrcy", {208, 142, 0}}, +{(unsigned char*)"Ubreve", {197, 172, 0}}, +{(unsigned char*)"Ucirc", {195, 155, 0}}, +{(unsigned char*)"Ucy", {208, 163, 0}}, +{(unsigned char*)"Udblac", {197, 176, 0}}, +{(unsigned char*)"Ufr", {240, 157, 148, 152, 0}}, +{(unsigned char*)"Ugrave", {195, 153, 0}}, +{(unsigned char*)"Umacr", {197, 170, 0}}, +{(unsigned char*)"UnderBar", {95, 0}}, +{(unsigned char*)"UnderBrace", {226, 143, 159, 0}}, +{(unsigned char*)"UnderBracket", {226, 142, 181, 0}}, +{(unsigned char*)"UnderParenthesis", {226, 143, 157, 0}}, +{(unsigned char*)"Union", {226, 139, 131, 0}}, +{(unsigned char*)"UnionPlus", {226, 138, 142, 0}}, +{(unsigned char*)"Uogon", {197, 178, 0}}, +{(unsigned char*)"Uopf", {240, 157, 149, 140, 0}}, +{(unsigned char*)"UpArrow", {226, 134, 145, 0}}, +{(unsigned char*)"UpArrowBar", {226, 164, 146, 0}}, +{(unsigned char*)"UpArrowDownArrow", {226, 135, 133, 0}}, +{(unsigned char*)"UpDownArrow", {226, 134, 149, 0}}, +{(unsigned char*)"UpEquilibrium", {226, 165, 174, 0}}, +{(unsigned char*)"UpTee", {226, 138, 165, 0}}, +{(unsigned char*)"UpTeeArrow", {226, 134, 165, 0}}, +{(unsigned char*)"Uparrow", {226, 135, 145, 0}}, +{(unsigned char*)"Updownarrow", {226, 135, 149, 0}}, +{(unsigned char*)"UpperLeftArrow", {226, 134, 150, 0}}, +{(unsigned char*)"UpperRightArrow", {226, 134, 151, 0}}, +{(unsigned char*)"Upsi", {207, 146, 0}}, +{(unsigned char*)"Upsilon", {206, 165, 0}}, +{(unsigned char*)"Uring", {197, 174, 0}}, +{(unsigned char*)"Uscr", {240, 157, 146, 176, 0}}, +{(unsigned char*)"Utilde", {197, 168, 0}}, +{(unsigned char*)"Uuml", {195, 156, 0}}, +{(unsigned char*)"VDash", {226, 138, 171, 0}}, +{(unsigned char*)"Vbar", {226, 171, 171, 0}}, +{(unsigned char*)"Vcy", {208, 146, 0}}, +{(unsigned char*)"Vdash", {226, 138, 169, 0}}, +{(unsigned char*)"Vdashl", {226, 171, 166, 0}}, +{(unsigned char*)"Vee", {226, 139, 129, 0}}, +{(unsigned char*)"Verbar", {226, 128, 150, 0}}, +{(unsigned char*)"Vert", {226, 128, 150, 0}}, +{(unsigned char*)"VerticalBar", {226, 136, 163, 0}}, +{(unsigned char*)"VerticalLine", {124, 0}}, +{(unsigned char*)"VerticalSeparator", {226, 157, 152, 0}}, +{(unsigned char*)"VerticalTilde", {226, 137, 128, 0}}, +{(unsigned char*)"VeryThinSpace", {226, 128, 138, 0}}, +{(unsigned char*)"Vfr", {240, 157, 148, 153, 0}}, +{(unsigned char*)"Vopf", {240, 157, 149, 141, 0}}, +{(unsigned char*)"Vscr", {240, 157, 146, 177, 0}}, +{(unsigned char*)"Vvdash", {226, 138, 170, 0}}, +{(unsigned char*)"Wcirc", {197, 180, 0}}, +{(unsigned char*)"Wedge", {226, 139, 128, 0}}, +{(unsigned char*)"Wfr", {240, 157, 148, 154, 0}}, +{(unsigned char*)"Wopf", {240, 157, 149, 142, 0}}, +{(unsigned char*)"Wscr", {240, 157, 146, 178, 0}}, +{(unsigned char*)"Xfr", {240, 157, 148, 155, 0}}, +{(unsigned char*)"Xi", {206, 158, 0}}, +{(unsigned char*)"Xopf", {240, 157, 149, 143, 0}}, +{(unsigned char*)"Xscr", {240, 157, 146, 179, 0}}, +{(unsigned char*)"YAcy", {208, 175, 0}}, +{(unsigned char*)"YIcy", {208, 135, 0}}, +{(unsigned char*)"YUcy", {208, 174, 0}}, +{(unsigned char*)"Yacute", {195, 157, 0}}, +{(unsigned char*)"Ycirc", {197, 182, 0}}, +{(unsigned char*)"Ycy", {208, 171, 0}}, +{(unsigned char*)"Yfr", {240, 157, 148, 156, 0}}, +{(unsigned char*)"Yopf", {240, 157, 149, 144, 0}}, +{(unsigned char*)"Yscr", {240, 157, 146, 180, 0}}, +{(unsigned char*)"Yuml", {197, 184, 0}}, +{(unsigned char*)"ZHcy", {208, 150, 0}}, +{(unsigned char*)"Zacute", {197, 185, 0}}, +{(unsigned char*)"Zcaron", {197, 189, 0}}, +{(unsigned char*)"Zcy", {208, 151, 0}}, +{(unsigned char*)"Zdot", {197, 187, 0}}, +{(unsigned char*)"ZeroWidthSpace", {226, 128, 139, 0}}, +{(unsigned char*)"Zeta", {206, 150, 0}}, +{(unsigned char*)"Zfr", {226, 132, 168, 0}}, +{(unsigned char*)"Zopf", {226, 132, 164, 0}}, +{(unsigned char*)"Zscr", {240, 157, 146, 181, 0}}, +{(unsigned char*)"aacute", {195, 161, 0}}, +{(unsigned char*)"abreve", {196, 131, 0}}, +{(unsigned char*)"ac", {226, 136, 190, 0}}, +{(unsigned char*)"acE", {226, 136, 190, 204, 179, 0}}, +{(unsigned char*)"acd", {226, 136, 191, 0}}, +{(unsigned char*)"acirc", {195, 162, 0}}, +{(unsigned char*)"acute", {194, 180, 0}}, +{(unsigned char*)"acy", {208, 176, 0}}, +{(unsigned char*)"aelig", {195, 166, 0}}, +{(unsigned char*)"af", {226, 129, 161, 0}}, +{(unsigned char*)"afr", {240, 157, 148, 158, 0}}, +{(unsigned char*)"agrave", {195, 160, 0}}, +{(unsigned char*)"alefsym", {226, 132, 181, 0}}, +{(unsigned char*)"aleph", {226, 132, 181, 0}}, +{(unsigned char*)"alpha", {206, 177, 0}}, +{(unsigned char*)"amacr", {196, 129, 0}}, +{(unsigned char*)"amalg", {226, 168, 191, 0}}, +{(unsigned char*)"amp", {38, 0}}, +{(unsigned char*)"and", {226, 136, 167, 0}}, +{(unsigned char*)"andand", {226, 169, 149, 0}}, +{(unsigned char*)"andd", {226, 169, 156, 0}}, +{(unsigned char*)"andslope", {226, 169, 152, 0}}, +{(unsigned char*)"andv", {226, 169, 154, 0}}, +{(unsigned char*)"ang", {226, 136, 160, 0}}, +{(unsigned char*)"ange", {226, 166, 164, 0}}, +{(unsigned char*)"angle", {226, 136, 160, 0}}, +{(unsigned char*)"angmsd", {226, 136, 161, 0}}, +{(unsigned char*)"angmsdaa", {226, 166, 168, 0}}, +{(unsigned char*)"angmsdab", {226, 166, 169, 0}}, +{(unsigned char*)"angmsdac", {226, 166, 170, 0}}, +{(unsigned char*)"angmsdad", {226, 166, 171, 0}}, +{(unsigned char*)"angmsdae", {226, 166, 172, 0}}, +{(unsigned char*)"angmsdaf", {226, 166, 173, 0}}, +{(unsigned char*)"angmsdag", {226, 166, 174, 0}}, +{(unsigned char*)"angmsdah", {226, 166, 175, 0}}, +{(unsigned char*)"angrt", {226, 136, 159, 0}}, +{(unsigned char*)"angrtvb", {226, 138, 190, 0}}, +{(unsigned char*)"angrtvbd", {226, 166, 157, 0}}, +{(unsigned char*)"angsph", {226, 136, 162, 0}}, +{(unsigned char*)"angst", {195, 133, 0}}, +{(unsigned char*)"angzarr", {226, 141, 188, 0}}, +{(unsigned char*)"aogon", {196, 133, 0}}, +{(unsigned char*)"aopf", {240, 157, 149, 146, 0}}, +{(unsigned char*)"ap", {226, 137, 136, 0}}, +{(unsigned char*)"apE", {226, 169, 176, 0}}, +{(unsigned char*)"apacir", {226, 169, 175, 0}}, +{(unsigned char*)"ape", {226, 137, 138, 0}}, +{(unsigned char*)"apid", {226, 137, 139, 0}}, +{(unsigned char*)"apos", {39, 0}}, +{(unsigned char*)"approx", {226, 137, 136, 0}}, +{(unsigned char*)"approxeq", {226, 137, 138, 0}}, +{(unsigned char*)"aring", {195, 165, 0}}, +{(unsigned char*)"ascr", {240, 157, 146, 182, 0}}, +{(unsigned char*)"ast", {42, 0}}, +{(unsigned char*)"asymp", {226, 137, 136, 0}}, +{(unsigned char*)"asympeq", {226, 137, 141, 0}}, +{(unsigned char*)"atilde", {195, 163, 0}}, +{(unsigned char*)"auml", {195, 164, 0}}, +{(unsigned char*)"awconint", {226, 136, 179, 0}}, +{(unsigned char*)"awint", {226, 168, 145, 0}}, +{(unsigned char*)"bNot", {226, 171, 173, 0}}, +{(unsigned char*)"backcong", {226, 137, 140, 0}}, +{(unsigned char*)"backepsilon", {207, 182, 0}}, +{(unsigned char*)"backprime", {226, 128, 181, 0}}, +{(unsigned char*)"backsim", {226, 136, 189, 0}}, +{(unsigned char*)"backsimeq", {226, 139, 141, 0}}, +{(unsigned char*)"barvee", {226, 138, 189, 0}}, +{(unsigned char*)"barwed", {226, 140, 133, 0}}, +{(unsigned char*)"barwedge", {226, 140, 133, 0}}, +{(unsigned char*)"bbrk", {226, 142, 181, 0}}, +{(unsigned char*)"bbrktbrk", {226, 142, 182, 0}}, +{(unsigned char*)"bcong", {226, 137, 140, 0}}, +{(unsigned char*)"bcy", {208, 177, 0}}, +{(unsigned char*)"bdquo", {226, 128, 158, 0}}, +{(unsigned char*)"becaus", {226, 136, 181, 0}}, +{(unsigned char*)"because", {226, 136, 181, 0}}, +{(unsigned char*)"bemptyv", {226, 166, 176, 0}}, +{(unsigned char*)"bepsi", {207, 182, 0}}, +{(unsigned char*)"bernou", {226, 132, 172, 0}}, +{(unsigned char*)"beta", {206, 178, 0}}, +{(unsigned char*)"beth", {226, 132, 182, 0}}, +{(unsigned char*)"between", {226, 137, 172, 0}}, +{(unsigned char*)"bfr", {240, 157, 148, 159, 0}}, +{(unsigned char*)"bigcap", {226, 139, 130, 0}}, +{(unsigned char*)"bigcirc", {226, 151, 175, 0}}, +{(unsigned char*)"bigcup", {226, 139, 131, 0}}, +{(unsigned char*)"bigodot", {226, 168, 128, 0}}, +{(unsigned char*)"bigoplus", {226, 168, 129, 0}}, +{(unsigned char*)"bigotimes", {226, 168, 130, 0}}, +{(unsigned char*)"bigsqcup", {226, 168, 134, 0}}, +{(unsigned char*)"bigstar", {226, 152, 133, 0}}, +{(unsigned char*)"bigtriangledown", {226, 150, 189, 0}}, +{(unsigned char*)"bigtriangleup", {226, 150, 179, 0}}, +{(unsigned char*)"biguplus", {226, 168, 132, 0}}, +{(unsigned char*)"bigvee", {226, 139, 129, 0}}, +{(unsigned char*)"bigwedge", {226, 139, 128, 0}}, +{(unsigned char*)"bkarow", {226, 164, 141, 0}}, +{(unsigned char*)"blacklozenge", {226, 167, 171, 0}}, +{(unsigned char*)"blacksquare", {226, 150, 170, 0}}, +{(unsigned char*)"blacktriangle", {226, 150, 180, 0}}, +{(unsigned char*)"blacktriangledown", {226, 150, 190, 0}}, +{(unsigned char*)"blacktriangleleft", {226, 151, 130, 0}}, +{(unsigned char*)"blacktriangleright", {226, 150, 184, 0}}, +{(unsigned char*)"blank", {226, 144, 163, 0}}, +{(unsigned char*)"blk12", {226, 150, 146, 0}}, +{(unsigned char*)"blk14", {226, 150, 145, 0}}, +{(unsigned char*)"blk34", {226, 150, 147, 0}}, +{(unsigned char*)"block", {226, 150, 136, 0}}, +{(unsigned char*)"bne", {61, 226, 131, 165, 0}}, +{(unsigned char*)"bnequiv", {226, 137, 161, 226, 131, 165, 0}}, +{(unsigned char*)"bnot", {226, 140, 144, 0}}, +{(unsigned char*)"bopf", {240, 157, 149, 147, 0}}, +{(unsigned char*)"bot", {226, 138, 165, 0}}, +{(unsigned char*)"bottom", {226, 138, 165, 0}}, +{(unsigned char*)"bowtie", {226, 139, 136, 0}}, +{(unsigned char*)"boxDL", {226, 149, 151, 0}}, +{(unsigned char*)"boxDR", {226, 149, 148, 0}}, +{(unsigned char*)"boxDl", {226, 149, 150, 0}}, +{(unsigned char*)"boxDr", {226, 149, 147, 0}}, +{(unsigned char*)"boxH", {226, 149, 144, 0}}, +{(unsigned char*)"boxHD", {226, 149, 166, 0}}, +{(unsigned char*)"boxHU", {226, 149, 169, 0}}, +{(unsigned char*)"boxHd", {226, 149, 164, 0}}, +{(unsigned char*)"boxHu", {226, 149, 167, 0}}, +{(unsigned char*)"boxUL", {226, 149, 157, 0}}, +{(unsigned char*)"boxUR", {226, 149, 154, 0}}, +{(unsigned char*)"boxUl", {226, 149, 156, 0}}, +{(unsigned char*)"boxUr", {226, 149, 153, 0}}, +{(unsigned char*)"boxV", {226, 149, 145, 0}}, +{(unsigned char*)"boxVH", {226, 149, 172, 0}}, +{(unsigned char*)"boxVL", {226, 149, 163, 0}}, +{(unsigned char*)"boxVR", {226, 149, 160, 0}}, +{(unsigned char*)"boxVh", {226, 149, 171, 0}}, +{(unsigned char*)"boxVl", {226, 149, 162, 0}}, +{(unsigned char*)"boxVr", {226, 149, 159, 0}}, +{(unsigned char*)"boxbox", {226, 167, 137, 0}}, +{(unsigned char*)"boxdL", {226, 149, 149, 0}}, +{(unsigned char*)"boxdR", {226, 149, 146, 0}}, +{(unsigned char*)"boxdl", {226, 148, 144, 0}}, +{(unsigned char*)"boxdr", {226, 148, 140, 0}}, +{(unsigned char*)"boxh", {226, 148, 128, 0}}, +{(unsigned char*)"boxhD", {226, 149, 165, 0}}, +{(unsigned char*)"boxhU", {226, 149, 168, 0}}, +{(unsigned char*)"boxhd", {226, 148, 172, 0}}, +{(unsigned char*)"boxhu", {226, 148, 180, 0}}, +{(unsigned char*)"boxminus", {226, 138, 159, 0}}, +{(unsigned char*)"boxplus", {226, 138, 158, 0}}, +{(unsigned char*)"boxtimes", {226, 138, 160, 0}}, +{(unsigned char*)"boxuL", {226, 149, 155, 0}}, +{(unsigned char*)"boxuR", {226, 149, 152, 0}}, +{(unsigned char*)"boxul", {226, 148, 152, 0}}, +{(unsigned char*)"boxur", {226, 148, 148, 0}}, +{(unsigned char*)"boxv", {226, 148, 130, 0}}, +{(unsigned char*)"boxvH", {226, 149, 170, 0}}, +{(unsigned char*)"boxvL", {226, 149, 161, 0}}, +{(unsigned char*)"boxvR", {226, 149, 158, 0}}, +{(unsigned char*)"boxvh", {226, 148, 188, 0}}, +{(unsigned char*)"boxvl", {226, 148, 164, 0}}, +{(unsigned char*)"boxvr", {226, 148, 156, 0}}, +{(unsigned char*)"bprime", {226, 128, 181, 0}}, +{(unsigned char*)"breve", {203, 152, 0}}, +{(unsigned char*)"brvbar", {194, 166, 0}}, +{(unsigned char*)"bscr", {240, 157, 146, 183, 0}}, +{(unsigned char*)"bsemi", {226, 129, 143, 0}}, +{(unsigned char*)"bsim", {226, 136, 189, 0}}, +{(unsigned char*)"bsime", {226, 139, 141, 0}}, +{(unsigned char*)"bsol", {92, 0}}, +{(unsigned char*)"bsolb", {226, 167, 133, 0}}, +{(unsigned char*)"bsolhsub", {226, 159, 136, 0}}, +{(unsigned char*)"bull", {226, 128, 162, 0}}, +{(unsigned char*)"bullet", {226, 128, 162, 0}}, +{(unsigned char*)"bump", {226, 137, 142, 0}}, +{(unsigned char*)"bumpE", {226, 170, 174, 0}}, +{(unsigned char*)"bumpe", {226, 137, 143, 0}}, +{(unsigned char*)"bumpeq", {226, 137, 143, 0}}, +{(unsigned char*)"cacute", {196, 135, 0}}, +{(unsigned char*)"cap", {226, 136, 169, 0}}, +{(unsigned char*)"capand", {226, 169, 132, 0}}, +{(unsigned char*)"capbrcup", {226, 169, 137, 0}}, +{(unsigned char*)"capcap", {226, 169, 139, 0}}, +{(unsigned char*)"capcup", {226, 169, 135, 0}}, +{(unsigned char*)"capdot", {226, 169, 128, 0}}, +{(unsigned char*)"caps", {226, 136, 169, 239, 184, 128, 0}}, +{(unsigned char*)"caret", {226, 129, 129, 0}}, +{(unsigned char*)"caron", {203, 135, 0}}, +{(unsigned char*)"ccaps", {226, 169, 141, 0}}, +{(unsigned char*)"ccaron", {196, 141, 0}}, +{(unsigned char*)"ccedil", {195, 167, 0}}, +{(unsigned char*)"ccirc", {196, 137, 0}}, +{(unsigned char*)"ccups", {226, 169, 140, 0}}, +{(unsigned char*)"ccupssm", {226, 169, 144, 0}}, +{(unsigned char*)"cdot", {196, 139, 0}}, +{(unsigned char*)"cedil", {194, 184, 0}}, +{(unsigned char*)"cemptyv", {226, 166, 178, 0}}, +{(unsigned char*)"cent", {194, 162, 0}}, +{(unsigned char*)"centerdot", {194, 183, 0}}, +{(unsigned char*)"cfr", {240, 157, 148, 160, 0}}, +{(unsigned char*)"chcy", {209, 135, 0}}, +{(unsigned char*)"check", {226, 156, 147, 0}}, +{(unsigned char*)"checkmark", {226, 156, 147, 0}}, +{(unsigned char*)"chi", {207, 135, 0}}, +{(unsigned char*)"cir", {226, 151, 139, 0}}, +{(unsigned char*)"cirE", {226, 167, 131, 0}}, +{(unsigned char*)"circ", {203, 134, 0}}, +{(unsigned char*)"circeq", {226, 137, 151, 0}}, +{(unsigned char*)"circlearrowleft", {226, 134, 186, 0}}, +{(unsigned char*)"circlearrowright", {226, 134, 187, 0}}, +{(unsigned char*)"circledR", {194, 174, 0}}, +{(unsigned char*)"circledS", {226, 147, 136, 0}}, +{(unsigned char*)"circledast", {226, 138, 155, 0}}, +{(unsigned char*)"circledcirc", {226, 138, 154, 0}}, +{(unsigned char*)"circleddash", {226, 138, 157, 0}}, +{(unsigned char*)"cire", {226, 137, 151, 0}}, +{(unsigned char*)"cirfnint", {226, 168, 144, 0}}, +{(unsigned char*)"cirmid", {226, 171, 175, 0}}, +{(unsigned char*)"cirscir", {226, 167, 130, 0}}, +{(unsigned char*)"clubs", {226, 153, 163, 0}}, +{(unsigned char*)"clubsuit", {226, 153, 163, 0}}, +{(unsigned char*)"colon", {58, 0}}, +{(unsigned char*)"colone", {226, 137, 148, 0}}, +{(unsigned char*)"coloneq", {226, 137, 148, 0}}, +{(unsigned char*)"comma", {44, 0}}, +{(unsigned char*)"commat", {64, 0}}, +{(unsigned char*)"comp", {226, 136, 129, 0}}, +{(unsigned char*)"compfn", {226, 136, 152, 0}}, +{(unsigned char*)"complement", {226, 136, 129, 0}}, +{(unsigned char*)"complexes", {226, 132, 130, 0}}, +{(unsigned char*)"cong", {226, 137, 133, 0}}, +{(unsigned char*)"congdot", {226, 169, 173, 0}}, +{(unsigned char*)"conint", {226, 136, 174, 0}}, +{(unsigned char*)"copf", {240, 157, 149, 148, 0}}, +{(unsigned char*)"coprod", {226, 136, 144, 0}}, +{(unsigned char*)"copy", {194, 169, 0}}, +{(unsigned char*)"copysr", {226, 132, 151, 0}}, +{(unsigned char*)"crarr", {226, 134, 181, 0}}, +{(unsigned char*)"cross", {226, 156, 151, 0}}, +{(unsigned char*)"cscr", {240, 157, 146, 184, 0}}, +{(unsigned char*)"csub", {226, 171, 143, 0}}, +{(unsigned char*)"csube", {226, 171, 145, 0}}, +{(unsigned char*)"csup", {226, 171, 144, 0}}, +{(unsigned char*)"csupe", {226, 171, 146, 0}}, +{(unsigned char*)"ctdot", {226, 139, 175, 0}}, +{(unsigned char*)"cudarrl", {226, 164, 184, 0}}, +{(unsigned char*)"cudarrr", {226, 164, 181, 0}}, +{(unsigned char*)"cuepr", {226, 139, 158, 0}}, +{(unsigned char*)"cuesc", {226, 139, 159, 0}}, +{(unsigned char*)"cularr", {226, 134, 182, 0}}, +{(unsigned char*)"cularrp", {226, 164, 189, 0}}, +{(unsigned char*)"cup", {226, 136, 170, 0}}, +{(unsigned char*)"cupbrcap", {226, 169, 136, 0}}, +{(unsigned char*)"cupcap", {226, 169, 134, 0}}, +{(unsigned char*)"cupcup", {226, 169, 138, 0}}, +{(unsigned char*)"cupdot", {226, 138, 141, 0}}, +{(unsigned char*)"cupor", {226, 169, 133, 0}}, +{(unsigned char*)"cups", {226, 136, 170, 239, 184, 128, 0}}, +{(unsigned char*)"curarr", {226, 134, 183, 0}}, +{(unsigned char*)"curarrm", {226, 164, 188, 0}}, +{(unsigned char*)"curlyeqprec", {226, 139, 158, 0}}, +{(unsigned char*)"curlyeqsucc", {226, 139, 159, 0}}, +{(unsigned char*)"curlyvee", {226, 139, 142, 0}}, +{(unsigned char*)"curlywedge", {226, 139, 143, 0}}, +{(unsigned char*)"curren", {194, 164, 0}}, +{(unsigned char*)"curvearrowleft", {226, 134, 182, 0}}, +{(unsigned char*)"curvearrowright", {226, 134, 183, 0}}, +{(unsigned char*)"cuvee", {226, 139, 142, 0}}, +{(unsigned char*)"cuwed", {226, 139, 143, 0}}, +{(unsigned char*)"cwconint", {226, 136, 178, 0}}, +{(unsigned char*)"cwint", {226, 136, 177, 0}}, +{(unsigned char*)"cylcty", {226, 140, 173, 0}}, +{(unsigned char*)"dArr", {226, 135, 147, 0}}, +{(unsigned char*)"dHar", {226, 165, 165, 0}}, +{(unsigned char*)"dagger", {226, 128, 160, 0}}, +{(unsigned char*)"daleth", {226, 132, 184, 0}}, +{(unsigned char*)"darr", {226, 134, 147, 0}}, +{(unsigned char*)"dash", {226, 128, 144, 0}}, +{(unsigned char*)"dashv", {226, 138, 163, 0}}, +{(unsigned char*)"dbkarow", {226, 164, 143, 0}}, +{(unsigned char*)"dblac", {203, 157, 0}}, +{(unsigned char*)"dcaron", {196, 143, 0}}, +{(unsigned char*)"dcy", {208, 180, 0}}, +{(unsigned char*)"dd", {226, 133, 134, 0}}, +{(unsigned char*)"ddagger", {226, 128, 161, 0}}, +{(unsigned char*)"ddarr", {226, 135, 138, 0}}, +{(unsigned char*)"ddotseq", {226, 169, 183, 0}}, +{(unsigned char*)"deg", {194, 176, 0}}, +{(unsigned char*)"delta", {206, 180, 0}}, +{(unsigned char*)"demptyv", {226, 166, 177, 0}}, +{(unsigned char*)"dfisht", {226, 165, 191, 0}}, +{(unsigned char*)"dfr", {240, 157, 148, 161, 0}}, +{(unsigned char*)"dharl", {226, 135, 131, 0}}, +{(unsigned char*)"dharr", {226, 135, 130, 0}}, +{(unsigned char*)"diam", {226, 139, 132, 0}}, +{(unsigned char*)"diamond", {226, 139, 132, 0}}, +{(unsigned char*)"diamondsuit", {226, 153, 166, 0}}, +{(unsigned char*)"diams", {226, 153, 166, 0}}, +{(unsigned char*)"die", {194, 168, 0}}, +{(unsigned char*)"digamma", {207, 157, 0}}, +{(unsigned char*)"disin", {226, 139, 178, 0}}, +{(unsigned char*)"div", {195, 183, 0}}, +{(unsigned char*)"divide", {195, 183, 0}}, +{(unsigned char*)"divideontimes", {226, 139, 135, 0}}, +{(unsigned char*)"divonx", {226, 139, 135, 0}}, +{(unsigned char*)"djcy", {209, 146, 0}}, +{(unsigned char*)"dlcorn", {226, 140, 158, 0}}, +{(unsigned char*)"dlcrop", {226, 140, 141, 0}}, +{(unsigned char*)"dollar", {36, 0}}, +{(unsigned char*)"dopf", {240, 157, 149, 149, 0}}, +{(unsigned char*)"dot", {203, 153, 0}}, +{(unsigned char*)"doteq", {226, 137, 144, 0}}, +{(unsigned char*)"doteqdot", {226, 137, 145, 0}}, +{(unsigned char*)"dotminus", {226, 136, 184, 0}}, +{(unsigned char*)"dotplus", {226, 136, 148, 0}}, +{(unsigned char*)"dotsquare", {226, 138, 161, 0}}, +{(unsigned char*)"doublebarwedge", {226, 140, 134, 0}}, +{(unsigned char*)"downarrow", {226, 134, 147, 0}}, +{(unsigned char*)"downdownarrows", {226, 135, 138, 0}}, +{(unsigned char*)"downharpoonleft", {226, 135, 131, 0}}, +{(unsigned char*)"downharpoonright", {226, 135, 130, 0}}, +{(unsigned char*)"drbkarow", {226, 164, 144, 0}}, +{(unsigned char*)"drcorn", {226, 140, 159, 0}}, +{(unsigned char*)"drcrop", {226, 140, 140, 0}}, +{(unsigned char*)"dscr", {240, 157, 146, 185, 0}}, +{(unsigned char*)"dscy", {209, 149, 0}}, +{(unsigned char*)"dsol", {226, 167, 182, 0}}, +{(unsigned char*)"dstrok", {196, 145, 0}}, +{(unsigned char*)"dtdot", {226, 139, 177, 0}}, +{(unsigned char*)"dtri", {226, 150, 191, 0}}, +{(unsigned char*)"dtrif", {226, 150, 190, 0}}, +{(unsigned char*)"duarr", {226, 135, 181, 0}}, +{(unsigned char*)"duhar", {226, 165, 175, 0}}, +{(unsigned char*)"dwangle", {226, 166, 166, 0}}, +{(unsigned char*)"dzcy", {209, 159, 0}}, +{(unsigned char*)"dzigrarr", {226, 159, 191, 0}}, +{(unsigned char*)"eDDot", {226, 169, 183, 0}}, +{(unsigned char*)"eDot", {226, 137, 145, 0}}, +{(unsigned char*)"eacute", {195, 169, 0}}, +{(unsigned char*)"easter", {226, 169, 174, 0}}, +{(unsigned char*)"ecaron", {196, 155, 0}}, +{(unsigned char*)"ecir", {226, 137, 150, 0}}, +{(unsigned char*)"ecirc", {195, 170, 0}}, +{(unsigned char*)"ecolon", {226, 137, 149, 0}}, +{(unsigned char*)"ecy", {209, 141, 0}}, +{(unsigned char*)"edot", {196, 151, 0}}, +{(unsigned char*)"ee", {226, 133, 135, 0}}, +{(unsigned char*)"efDot", {226, 137, 146, 0}}, +{(unsigned char*)"efr", {240, 157, 148, 162, 0}}, +{(unsigned char*)"eg", {226, 170, 154, 0}}, +{(unsigned char*)"egrave", {195, 168, 0}}, +{(unsigned char*)"egs", {226, 170, 150, 0}}, +{(unsigned char*)"egsdot", {226, 170, 152, 0}}, +{(unsigned char*)"el", {226, 170, 153, 0}}, +{(unsigned char*)"elinters", {226, 143, 167, 0}}, +{(unsigned char*)"ell", {226, 132, 147, 0}}, +{(unsigned char*)"els", {226, 170, 149, 0}}, +{(unsigned char*)"elsdot", {226, 170, 151, 0}}, +{(unsigned char*)"emacr", {196, 147, 0}}, +{(unsigned char*)"empty", {226, 136, 133, 0}}, +{(unsigned char*)"emptyset", {226, 136, 133, 0}}, +{(unsigned char*)"emptyv", {226, 136, 133, 0}}, +{(unsigned char*)"emsp", {226, 128, 131, 0}}, +{(unsigned char*)"emsp13", {226, 128, 132, 0}}, +{(unsigned char*)"emsp14", {226, 128, 133, 0}}, +{(unsigned char*)"eng", {197, 139, 0}}, +{(unsigned char*)"ensp", {226, 128, 130, 0}}, +{(unsigned char*)"eogon", {196, 153, 0}}, +{(unsigned char*)"eopf", {240, 157, 149, 150, 0}}, +{(unsigned char*)"epar", {226, 139, 149, 0}}, +{(unsigned char*)"eparsl", {226, 167, 163, 0}}, +{(unsigned char*)"eplus", {226, 169, 177, 0}}, +{(unsigned char*)"epsi", {206, 181, 0}}, +{(unsigned char*)"epsilon", {206, 181, 0}}, +{(unsigned char*)"epsiv", {207, 181, 0}}, +{(unsigned char*)"eqcirc", {226, 137, 150, 0}}, +{(unsigned char*)"eqcolon", {226, 137, 149, 0}}, +{(unsigned char*)"eqsim", {226, 137, 130, 0}}, +{(unsigned char*)"eqslantgtr", {226, 170, 150, 0}}, +{(unsigned char*)"eqslantless", {226, 170, 149, 0}}, +{(unsigned char*)"equals", {61, 0}}, +{(unsigned char*)"equest", {226, 137, 159, 0}}, +{(unsigned char*)"equiv", {226, 137, 161, 0}}, +{(unsigned char*)"equivDD", {226, 169, 184, 0}}, +{(unsigned char*)"eqvparsl", {226, 167, 165, 0}}, +{(unsigned char*)"erDot", {226, 137, 147, 0}}, +{(unsigned char*)"erarr", {226, 165, 177, 0}}, +{(unsigned char*)"escr", {226, 132, 175, 0}}, +{(unsigned char*)"esdot", {226, 137, 144, 0}}, +{(unsigned char*)"esim", {226, 137, 130, 0}}, +{(unsigned char*)"eta", {206, 183, 0}}, +{(unsigned char*)"eth", {195, 176, 0}}, +{(unsigned char*)"euml", {195, 171, 0}}, +{(unsigned char*)"euro", {226, 130, 172, 0}}, +{(unsigned char*)"excl", {33, 0}}, +{(unsigned char*)"exist", {226, 136, 131, 0}}, +{(unsigned char*)"expectation", {226, 132, 176, 0}}, +{(unsigned char*)"exponentiale", {226, 133, 135, 0}}, +{(unsigned char*)"fallingdotseq", {226, 137, 146, 0}}, +{(unsigned char*)"fcy", {209, 132, 0}}, +{(unsigned char*)"female", {226, 153, 128, 0}}, +{(unsigned char*)"ffilig", {239, 172, 131, 0}}, +{(unsigned char*)"fflig", {239, 172, 128, 0}}, +{(unsigned char*)"ffllig", {239, 172, 132, 0}}, +{(unsigned char*)"ffr", {240, 157, 148, 163, 0}}, +{(unsigned char*)"filig", {239, 172, 129, 0}}, +{(unsigned char*)"fjlig", {102, 106, 0}}, +{(unsigned char*)"flat", {226, 153, 173, 0}}, +{(unsigned char*)"fllig", {239, 172, 130, 0}}, +{(unsigned char*)"fltns", {226, 150, 177, 0}}, +{(unsigned char*)"fnof", {198, 146, 0}}, +{(unsigned char*)"fopf", {240, 157, 149, 151, 0}}, +{(unsigned char*)"forall", {226, 136, 128, 0}}, +{(unsigned char*)"fork", {226, 139, 148, 0}}, +{(unsigned char*)"forkv", {226, 171, 153, 0}}, +{(unsigned char*)"fpartint", {226, 168, 141, 0}}, +{(unsigned char*)"frac12", {194, 189, 0}}, +{(unsigned char*)"frac13", {226, 133, 147, 0}}, +{(unsigned char*)"frac14", {194, 188, 0}}, +{(unsigned char*)"frac15", {226, 133, 149, 0}}, +{(unsigned char*)"frac16", {226, 133, 153, 0}}, +{(unsigned char*)"frac18", {226, 133, 155, 0}}, +{(unsigned char*)"frac23", {226, 133, 148, 0}}, +{(unsigned char*)"frac25", {226, 133, 150, 0}}, +{(unsigned char*)"frac34", {194, 190, 0}}, +{(unsigned char*)"frac35", {226, 133, 151, 0}}, +{(unsigned char*)"frac38", {226, 133, 156, 0}}, +{(unsigned char*)"frac45", {226, 133, 152, 0}}, +{(unsigned char*)"frac56", {226, 133, 154, 0}}, +{(unsigned char*)"frac58", {226, 133, 157, 0}}, +{(unsigned char*)"frac78", {226, 133, 158, 0}}, +{(unsigned char*)"frasl", {226, 129, 132, 0}}, +{(unsigned char*)"frown", {226, 140, 162, 0}}, +{(unsigned char*)"fscr", {240, 157, 146, 187, 0}}, +{(unsigned char*)"gE", {226, 137, 167, 0}}, +{(unsigned char*)"gEl", {226, 170, 140, 0}}, +{(unsigned char*)"gacute", {199, 181, 0}}, +{(unsigned char*)"gamma", {206, 179, 0}}, +{(unsigned char*)"gammad", {207, 157, 0}}, +{(unsigned char*)"gap", {226, 170, 134, 0}}, +{(unsigned char*)"gbreve", {196, 159, 0}}, +{(unsigned char*)"gcirc", {196, 157, 0}}, +{(unsigned char*)"gcy", {208, 179, 0}}, +{(unsigned char*)"gdot", {196, 161, 0}}, +{(unsigned char*)"ge", {226, 137, 165, 0}}, +{(unsigned char*)"gel", {226, 139, 155, 0}}, +{(unsigned char*)"geq", {226, 137, 165, 0}}, +{(unsigned char*)"geqq", {226, 137, 167, 0}}, +{(unsigned char*)"geqslant", {226, 169, 190, 0}}, +{(unsigned char*)"ges", {226, 169, 190, 0}}, +{(unsigned char*)"gescc", {226, 170, 169, 0}}, +{(unsigned char*)"gesdot", {226, 170, 128, 0}}, +{(unsigned char*)"gesdoto", {226, 170, 130, 0}}, +{(unsigned char*)"gesdotol", {226, 170, 132, 0}}, +{(unsigned char*)"gesl", {226, 139, 155, 239, 184, 128, 0}}, +{(unsigned char*)"gesles", {226, 170, 148, 0}}, +{(unsigned char*)"gfr", {240, 157, 148, 164, 0}}, +{(unsigned char*)"gg", {226, 137, 171, 0}}, +{(unsigned char*)"ggg", {226, 139, 153, 0}}, +{(unsigned char*)"gimel", {226, 132, 183, 0}}, +{(unsigned char*)"gjcy", {209, 147, 0}}, +{(unsigned char*)"gl", {226, 137, 183, 0}}, +{(unsigned char*)"glE", {226, 170, 146, 0}}, +{(unsigned char*)"gla", {226, 170, 165, 0}}, +{(unsigned char*)"glj", {226, 170, 164, 0}}, +{(unsigned char*)"gnE", {226, 137, 169, 0}}, +{(unsigned char*)"gnap", {226, 170, 138, 0}}, +{(unsigned char*)"gnapprox", {226, 170, 138, 0}}, +{(unsigned char*)"gne", {226, 170, 136, 0}}, +{(unsigned char*)"gneq", {226, 170, 136, 0}}, +{(unsigned char*)"gneqq", {226, 137, 169, 0}}, +{(unsigned char*)"gnsim", {226, 139, 167, 0}}, +{(unsigned char*)"gopf", {240, 157, 149, 152, 0}}, +{(unsigned char*)"grave", {96, 0}}, +{(unsigned char*)"gscr", {226, 132, 138, 0}}, +{(unsigned char*)"gsim", {226, 137, 179, 0}}, +{(unsigned char*)"gsime", {226, 170, 142, 0}}, +{(unsigned char*)"gsiml", {226, 170, 144, 0}}, +{(unsigned char*)"gt", {62, 0}}, +{(unsigned char*)"gtcc", {226, 170, 167, 0}}, +{(unsigned char*)"gtcir", {226, 169, 186, 0}}, +{(unsigned char*)"gtdot", {226, 139, 151, 0}}, +{(unsigned char*)"gtlPar", {226, 166, 149, 0}}, +{(unsigned char*)"gtquest", {226, 169, 188, 0}}, +{(unsigned char*)"gtrapprox", {226, 170, 134, 0}}, +{(unsigned char*)"gtrarr", {226, 165, 184, 0}}, +{(unsigned char*)"gtrdot", {226, 139, 151, 0}}, +{(unsigned char*)"gtreqless", {226, 139, 155, 0}}, +{(unsigned char*)"gtreqqless", {226, 170, 140, 0}}, +{(unsigned char*)"gtrless", {226, 137, 183, 0}}, +{(unsigned char*)"gtrsim", {226, 137, 179, 0}}, +{(unsigned char*)"gvertneqq", {226, 137, 169, 239, 184, 128, 0}}, +{(unsigned char*)"gvnE", {226, 137, 169, 239, 184, 128, 0}}, +{(unsigned char*)"hArr", {226, 135, 148, 0}}, +{(unsigned char*)"hairsp", {226, 128, 138, 0}}, +{(unsigned char*)"half", {194, 189, 0}}, +{(unsigned char*)"hamilt", {226, 132, 139, 0}}, +{(unsigned char*)"hardcy", {209, 138, 0}}, +{(unsigned char*)"harr", {226, 134, 148, 0}}, +{(unsigned char*)"harrcir", {226, 165, 136, 0}}, +{(unsigned char*)"harrw", {226, 134, 173, 0}}, +{(unsigned char*)"hbar", {226, 132, 143, 0}}, +{(unsigned char*)"hcirc", {196, 165, 0}}, +{(unsigned char*)"hearts", {226, 153, 165, 0}}, +{(unsigned char*)"heartsuit", {226, 153, 165, 0}}, +{(unsigned char*)"hellip", {226, 128, 166, 0}}, +{(unsigned char*)"hercon", {226, 138, 185, 0}}, +{(unsigned char*)"hfr", {240, 157, 148, 165, 0}}, +{(unsigned char*)"hksearow", {226, 164, 165, 0}}, +{(unsigned char*)"hkswarow", {226, 164, 166, 0}}, +{(unsigned char*)"hoarr", {226, 135, 191, 0}}, +{(unsigned char*)"homtht", {226, 136, 187, 0}}, +{(unsigned char*)"hookleftarrow", {226, 134, 169, 0}}, +{(unsigned char*)"hookrightarrow", {226, 134, 170, 0}}, +{(unsigned char*)"hopf", {240, 157, 149, 153, 0}}, +{(unsigned char*)"horbar", {226, 128, 149, 0}}, +{(unsigned char*)"hscr", {240, 157, 146, 189, 0}}, +{(unsigned char*)"hslash", {226, 132, 143, 0}}, +{(unsigned char*)"hstrok", {196, 167, 0}}, +{(unsigned char*)"hybull", {226, 129, 131, 0}}, +{(unsigned char*)"hyphen", {226, 128, 144, 0}}, +{(unsigned char*)"iacute", {195, 173, 0}}, +{(unsigned char*)"ic", {226, 129, 163, 0}}, +{(unsigned char*)"icirc", {195, 174, 0}}, +{(unsigned char*)"icy", {208, 184, 0}}, +{(unsigned char*)"iecy", {208, 181, 0}}, +{(unsigned char*)"iexcl", {194, 161, 0}}, +{(unsigned char*)"iff", {226, 135, 148, 0}}, +{(unsigned char*)"ifr", {240, 157, 148, 166, 0}}, +{(unsigned char*)"igrave", {195, 172, 0}}, +{(unsigned char*)"ii", {226, 133, 136, 0}}, +{(unsigned char*)"iiiint", {226, 168, 140, 0}}, +{(unsigned char*)"iiint", {226, 136, 173, 0}}, +{(unsigned char*)"iinfin", {226, 167, 156, 0}}, +{(unsigned char*)"iiota", {226, 132, 169, 0}}, +{(unsigned char*)"ijlig", {196, 179, 0}}, +{(unsigned char*)"imacr", {196, 171, 0}}, +{(unsigned char*)"image", {226, 132, 145, 0}}, +{(unsigned char*)"imagline", {226, 132, 144, 0}}, +{(unsigned char*)"imagpart", {226, 132, 145, 0}}, +{(unsigned char*)"imath", {196, 177, 0}}, +{(unsigned char*)"imof", {226, 138, 183, 0}}, +{(unsigned char*)"imped", {198, 181, 0}}, +{(unsigned char*)"in", {226, 136, 136, 0}}, +{(unsigned char*)"incare", {226, 132, 133, 0}}, +{(unsigned char*)"infin", {226, 136, 158, 0}}, +{(unsigned char*)"infintie", {226, 167, 157, 0}}, +{(unsigned char*)"inodot", {196, 177, 0}}, +{(unsigned char*)"int", {226, 136, 171, 0}}, +{(unsigned char*)"intcal", {226, 138, 186, 0}}, +{(unsigned char*)"integers", {226, 132, 164, 0}}, +{(unsigned char*)"intercal", {226, 138, 186, 0}}, +{(unsigned char*)"intlarhk", {226, 168, 151, 0}}, +{(unsigned char*)"intprod", {226, 168, 188, 0}}, +{(unsigned char*)"iocy", {209, 145, 0}}, +{(unsigned char*)"iogon", {196, 175, 0}}, +{(unsigned char*)"iopf", {240, 157, 149, 154, 0}}, +{(unsigned char*)"iota", {206, 185, 0}}, +{(unsigned char*)"iprod", {226, 168, 188, 0}}, +{(unsigned char*)"iquest", {194, 191, 0}}, +{(unsigned char*)"iscr", {240, 157, 146, 190, 0}}, +{(unsigned char*)"isin", {226, 136, 136, 0}}, +{(unsigned char*)"isinE", {226, 139, 185, 0}}, +{(unsigned char*)"isindot", {226, 139, 181, 0}}, +{(unsigned char*)"isins", {226, 139, 180, 0}}, +{(unsigned char*)"isinsv", {226, 139, 179, 0}}, +{(unsigned char*)"isinv", {226, 136, 136, 0}}, +{(unsigned char*)"it", {226, 129, 162, 0}}, +{(unsigned char*)"itilde", {196, 169, 0}}, +{(unsigned char*)"iukcy", {209, 150, 0}}, +{(unsigned char*)"iuml", {195, 175, 0}}, +{(unsigned char*)"jcirc", {196, 181, 0}}, +{(unsigned char*)"jcy", {208, 185, 0}}, +{(unsigned char*)"jfr", {240, 157, 148, 167, 0}}, +{(unsigned char*)"jmath", {200, 183, 0}}, +{(unsigned char*)"jopf", {240, 157, 149, 155, 0}}, +{(unsigned char*)"jscr", {240, 157, 146, 191, 0}}, +{(unsigned char*)"jsercy", {209, 152, 0}}, +{(unsigned char*)"jukcy", {209, 148, 0}}, +{(unsigned char*)"kappa", {206, 186, 0}}, +{(unsigned char*)"kappav", {207, 176, 0}}, +{(unsigned char*)"kcedil", {196, 183, 0}}, +{(unsigned char*)"kcy", {208, 186, 0}}, +{(unsigned char*)"kfr", {240, 157, 148, 168, 0}}, +{(unsigned char*)"kgreen", {196, 184, 0}}, +{(unsigned char*)"khcy", {209, 133, 0}}, +{(unsigned char*)"kjcy", {209, 156, 0}}, +{(unsigned char*)"kopf", {240, 157, 149, 156, 0}}, +{(unsigned char*)"kscr", {240, 157, 147, 128, 0}}, +{(unsigned char*)"lAarr", {226, 135, 154, 0}}, +{(unsigned char*)"lArr", {226, 135, 144, 0}}, +{(unsigned char*)"lAtail", {226, 164, 155, 0}}, +{(unsigned char*)"lBarr", {226, 164, 142, 0}}, +{(unsigned char*)"lE", {226, 137, 166, 0}}, +{(unsigned char*)"lEg", {226, 170, 139, 0}}, +{(unsigned char*)"lHar", {226, 165, 162, 0}}, +{(unsigned char*)"lacute", {196, 186, 0}}, +{(unsigned char*)"laemptyv", {226, 166, 180, 0}}, +{(unsigned char*)"lagran", {226, 132, 146, 0}}, +{(unsigned char*)"lambda", {206, 187, 0}}, +{(unsigned char*)"lang", {226, 159, 168, 0}}, +{(unsigned char*)"langd", {226, 166, 145, 0}}, +{(unsigned char*)"langle", {226, 159, 168, 0}}, +{(unsigned char*)"lap", {226, 170, 133, 0}}, +{(unsigned char*)"laquo", {194, 171, 0}}, +{(unsigned char*)"larr", {226, 134, 144, 0}}, +{(unsigned char*)"larrb", {226, 135, 164, 0}}, +{(unsigned char*)"larrbfs", {226, 164, 159, 0}}, +{(unsigned char*)"larrfs", {226, 164, 157, 0}}, +{(unsigned char*)"larrhk", {226, 134, 169, 0}}, +{(unsigned char*)"larrlp", {226, 134, 171, 0}}, +{(unsigned char*)"larrpl", {226, 164, 185, 0}}, +{(unsigned char*)"larrsim", {226, 165, 179, 0}}, +{(unsigned char*)"larrtl", {226, 134, 162, 0}}, +{(unsigned char*)"lat", {226, 170, 171, 0}}, +{(unsigned char*)"latail", {226, 164, 153, 0}}, +{(unsigned char*)"late", {226, 170, 173, 0}}, +{(unsigned char*)"lates", {226, 170, 173, 239, 184, 128, 0}}, +{(unsigned char*)"lbarr", {226, 164, 140, 0}}, +{(unsigned char*)"lbbrk", {226, 157, 178, 0}}, +{(unsigned char*)"lbrace", {123, 0}}, +{(unsigned char*)"lbrack", {91, 0}}, +{(unsigned char*)"lbrke", {226, 166, 139, 0}}, +{(unsigned char*)"lbrksld", {226, 166, 143, 0}}, +{(unsigned char*)"lbrkslu", {226, 166, 141, 0}}, +{(unsigned char*)"lcaron", {196, 190, 0}}, +{(unsigned char*)"lcedil", {196, 188, 0}}, +{(unsigned char*)"lceil", {226, 140, 136, 0}}, +{(unsigned char*)"lcub", {123, 0}}, +{(unsigned char*)"lcy", {208, 187, 0}}, +{(unsigned char*)"ldca", {226, 164, 182, 0}}, +{(unsigned char*)"ldquo", {226, 128, 156, 0}}, +{(unsigned char*)"ldquor", {226, 128, 158, 0}}, +{(unsigned char*)"ldrdhar", {226, 165, 167, 0}}, +{(unsigned char*)"ldrushar", {226, 165, 139, 0}}, +{(unsigned char*)"ldsh", {226, 134, 178, 0}}, +{(unsigned char*)"le", {226, 137, 164, 0}}, +{(unsigned char*)"leftarrow", {226, 134, 144, 0}}, +{(unsigned char*)"leftarrowtail", {226, 134, 162, 0}}, +{(unsigned char*)"leftharpoondown", {226, 134, 189, 0}}, +{(unsigned char*)"leftharpoonup", {226, 134, 188, 0}}, +{(unsigned char*)"leftleftarrows", {226, 135, 135, 0}}, +{(unsigned char*)"leftrightarrow", {226, 134, 148, 0}}, +{(unsigned char*)"leftrightarrows", {226, 135, 134, 0}}, +{(unsigned char*)"leftrightharpoons", {226, 135, 139, 0}}, +{(unsigned char*)"leftrightsquigarrow", {226, 134, 173, 0}}, +{(unsigned char*)"leftthreetimes", {226, 139, 139, 0}}, +{(unsigned char*)"leg", {226, 139, 154, 0}}, +{(unsigned char*)"leq", {226, 137, 164, 0}}, +{(unsigned char*)"leqq", {226, 137, 166, 0}}, +{(unsigned char*)"leqslant", {226, 169, 189, 0}}, +{(unsigned char*)"les", {226, 169, 189, 0}}, +{(unsigned char*)"lescc", {226, 170, 168, 0}}, +{(unsigned char*)"lesdot", {226, 169, 191, 0}}, +{(unsigned char*)"lesdoto", {226, 170, 129, 0}}, +{(unsigned char*)"lesdotor", {226, 170, 131, 0}}, +{(unsigned char*)"lesg", {226, 139, 154, 239, 184, 128, 0}}, +{(unsigned char*)"lesges", {226, 170, 147, 0}}, +{(unsigned char*)"lessapprox", {226, 170, 133, 0}}, +{(unsigned char*)"lessdot", {226, 139, 150, 0}}, +{(unsigned char*)"lesseqgtr", {226, 139, 154, 0}}, +{(unsigned char*)"lesseqqgtr", {226, 170, 139, 0}}, +{(unsigned char*)"lessgtr", {226, 137, 182, 0}}, +{(unsigned char*)"lesssim", {226, 137, 178, 0}}, +{(unsigned char*)"lfisht", {226, 165, 188, 0}}, +{(unsigned char*)"lfloor", {226, 140, 138, 0}}, +{(unsigned char*)"lfr", {240, 157, 148, 169, 0}}, +{(unsigned char*)"lg", {226, 137, 182, 0}}, +{(unsigned char*)"lgE", {226, 170, 145, 0}}, +{(unsigned char*)"lhard", {226, 134, 189, 0}}, +{(unsigned char*)"lharu", {226, 134, 188, 0}}, +{(unsigned char*)"lharul", {226, 165, 170, 0}}, +{(unsigned char*)"lhblk", {226, 150, 132, 0}}, +{(unsigned char*)"ljcy", {209, 153, 0}}, +{(unsigned char*)"ll", {226, 137, 170, 0}}, +{(unsigned char*)"llarr", {226, 135, 135, 0}}, +{(unsigned char*)"llcorner", {226, 140, 158, 0}}, +{(unsigned char*)"llhard", {226, 165, 171, 0}}, +{(unsigned char*)"lltri", {226, 151, 186, 0}}, +{(unsigned char*)"lmidot", {197, 128, 0}}, +{(unsigned char*)"lmoust", {226, 142, 176, 0}}, +{(unsigned char*)"lmoustache", {226, 142, 176, 0}}, +{(unsigned char*)"lnE", {226, 137, 168, 0}}, +{(unsigned char*)"lnap", {226, 170, 137, 0}}, +{(unsigned char*)"lnapprox", {226, 170, 137, 0}}, +{(unsigned char*)"lne", {226, 170, 135, 0}}, +{(unsigned char*)"lneq", {226, 170, 135, 0}}, +{(unsigned char*)"lneqq", {226, 137, 168, 0}}, +{(unsigned char*)"lnsim", {226, 139, 166, 0}}, +{(unsigned char*)"loang", {226, 159, 172, 0}}, +{(unsigned char*)"loarr", {226, 135, 189, 0}}, +{(unsigned char*)"lobrk", {226, 159, 166, 0}}, +{(unsigned char*)"longleftarrow", {226, 159, 181, 0}}, +{(unsigned char*)"longleftrightarrow", {226, 159, 183, 0}}, +{(unsigned char*)"longmapsto", {226, 159, 188, 0}}, +{(unsigned char*)"longrightarrow", {226, 159, 182, 0}}, +{(unsigned char*)"looparrowleft", {226, 134, 171, 0}}, +{(unsigned char*)"looparrowright", {226, 134, 172, 0}}, +{(unsigned char*)"lopar", {226, 166, 133, 0}}, +{(unsigned char*)"lopf", {240, 157, 149, 157, 0}}, +{(unsigned char*)"loplus", {226, 168, 173, 0}}, +{(unsigned char*)"lotimes", {226, 168, 180, 0}}, +{(unsigned char*)"lowast", {226, 136, 151, 0}}, +{(unsigned char*)"lowbar", {95, 0}}, +{(unsigned char*)"loz", {226, 151, 138, 0}}, +{(unsigned char*)"lozenge", {226, 151, 138, 0}}, +{(unsigned char*)"lozf", {226, 167, 171, 0}}, +{(unsigned char*)"lpar", {40, 0}}, +{(unsigned char*)"lparlt", {226, 166, 147, 0}}, +{(unsigned char*)"lrarr", {226, 135, 134, 0}}, +{(unsigned char*)"lrcorner", {226, 140, 159, 0}}, +{(unsigned char*)"lrhar", {226, 135, 139, 0}}, +{(unsigned char*)"lrhard", {226, 165, 173, 0}}, +{(unsigned char*)"lrm", {226, 128, 142, 0}}, +{(unsigned char*)"lrtri", {226, 138, 191, 0}}, +{(unsigned char*)"lsaquo", {226, 128, 185, 0}}, +{(unsigned char*)"lscr", {240, 157, 147, 129, 0}}, +{(unsigned char*)"lsh", {226, 134, 176, 0}}, +{(unsigned char*)"lsim", {226, 137, 178, 0}}, +{(unsigned char*)"lsime", {226, 170, 141, 0}}, +{(unsigned char*)"lsimg", {226, 170, 143, 0}}, +{(unsigned char*)"lsqb", {91, 0}}, +{(unsigned char*)"lsquo", {226, 128, 152, 0}}, +{(unsigned char*)"lsquor", {226, 128, 154, 0}}, +{(unsigned char*)"lstrok", {197, 130, 0}}, +{(unsigned char*)"lt", {60, 0}}, +{(unsigned char*)"ltcc", {226, 170, 166, 0}}, +{(unsigned char*)"ltcir", {226, 169, 185, 0}}, +{(unsigned char*)"ltdot", {226, 139, 150, 0}}, +{(unsigned char*)"lthree", {226, 139, 139, 0}}, +{(unsigned char*)"ltimes", {226, 139, 137, 0}}, +{(unsigned char*)"ltlarr", {226, 165, 182, 0}}, +{(unsigned char*)"ltquest", {226, 169, 187, 0}}, +{(unsigned char*)"ltrPar", {226, 166, 150, 0}}, +{(unsigned char*)"ltri", {226, 151, 131, 0}}, +{(unsigned char*)"ltrie", {226, 138, 180, 0}}, +{(unsigned char*)"ltrif", {226, 151, 130, 0}}, +{(unsigned char*)"lurdshar", {226, 165, 138, 0}}, +{(unsigned char*)"luruhar", {226, 165, 166, 0}}, +{(unsigned char*)"lvertneqq", {226, 137, 168, 239, 184, 128, 0}}, +{(unsigned char*)"lvnE", {226, 137, 168, 239, 184, 128, 0}}, +{(unsigned char*)"mDDot", {226, 136, 186, 0}}, +{(unsigned char*)"macr", {194, 175, 0}}, +{(unsigned char*)"male", {226, 153, 130, 0}}, +{(unsigned char*)"malt", {226, 156, 160, 0}}, +{(unsigned char*)"maltese", {226, 156, 160, 0}}, +{(unsigned char*)"map", {226, 134, 166, 0}}, +{(unsigned char*)"mapsto", {226, 134, 166, 0}}, +{(unsigned char*)"mapstodown", {226, 134, 167, 0}}, +{(unsigned char*)"mapstoleft", {226, 134, 164, 0}}, +{(unsigned char*)"mapstoup", {226, 134, 165, 0}}, +{(unsigned char*)"marker", {226, 150, 174, 0}}, +{(unsigned char*)"mcomma", {226, 168, 169, 0}}, +{(unsigned char*)"mcy", {208, 188, 0}}, +{(unsigned char*)"mdash", {226, 128, 148, 0}}, +{(unsigned char*)"measuredangle", {226, 136, 161, 0}}, +{(unsigned char*)"mfr", {240, 157, 148, 170, 0}}, +{(unsigned char*)"mho", {226, 132, 167, 0}}, +{(unsigned char*)"micro", {194, 181, 0}}, +{(unsigned char*)"mid", {226, 136, 163, 0}}, +{(unsigned char*)"midast", {42, 0}}, +{(unsigned char*)"midcir", {226, 171, 176, 0}}, +{(unsigned char*)"middot", {194, 183, 0}}, +{(unsigned char*)"minus", {226, 136, 146, 0}}, +{(unsigned char*)"minusb", {226, 138, 159, 0}}, +{(unsigned char*)"minusd", {226, 136, 184, 0}}, +{(unsigned char*)"minusdu", {226, 168, 170, 0}}, +{(unsigned char*)"mlcp", {226, 171, 155, 0}}, +{(unsigned char*)"mldr", {226, 128, 166, 0}}, +{(unsigned char*)"mnplus", {226, 136, 147, 0}}, +{(unsigned char*)"models", {226, 138, 167, 0}}, +{(unsigned char*)"mopf", {240, 157, 149, 158, 0}}, +{(unsigned char*)"mp", {226, 136, 147, 0}}, +{(unsigned char*)"mscr", {240, 157, 147, 130, 0}}, +{(unsigned char*)"mstpos", {226, 136, 190, 0}}, +{(unsigned char*)"mu", {206, 188, 0}}, +{(unsigned char*)"multimap", {226, 138, 184, 0}}, +{(unsigned char*)"mumap", {226, 138, 184, 0}}, +{(unsigned char*)"nGg", {226, 139, 153, 204, 184, 0}}, +{(unsigned char*)"nGt", {226, 137, 171, 226, 131, 146, 0}}, +{(unsigned char*)"nGtv", {226, 137, 171, 204, 184, 0}}, +{(unsigned char*)"nLeftarrow", {226, 135, 141, 0}}, +{(unsigned char*)"nLeftrightarrow", {226, 135, 142, 0}}, +{(unsigned char*)"nLl", {226, 139, 152, 204, 184, 0}}, +{(unsigned char*)"nLt", {226, 137, 170, 226, 131, 146, 0}}, +{(unsigned char*)"nLtv", {226, 137, 170, 204, 184, 0}}, +{(unsigned char*)"nRightarrow", {226, 135, 143, 0}}, +{(unsigned char*)"nVDash", {226, 138, 175, 0}}, +{(unsigned char*)"nVdash", {226, 138, 174, 0}}, +{(unsigned char*)"nabla", {226, 136, 135, 0}}, +{(unsigned char*)"nacute", {197, 132, 0}}, +{(unsigned char*)"nang", {226, 136, 160, 226, 131, 146, 0}}, +{(unsigned char*)"nap", {226, 137, 137, 0}}, +{(unsigned char*)"napE", {226, 169, 176, 204, 184, 0}}, +{(unsigned char*)"napid", {226, 137, 139, 204, 184, 0}}, +{(unsigned char*)"napos", {197, 137, 0}}, +{(unsigned char*)"napprox", {226, 137, 137, 0}}, +{(unsigned char*)"natur", {226, 153, 174, 0}}, +{(unsigned char*)"natural", {226, 153, 174, 0}}, +{(unsigned char*)"naturals", {226, 132, 149, 0}}, +{(unsigned char*)"nbsp", {194, 160, 0}}, +{(unsigned char*)"nbump", {226, 137, 142, 204, 184, 0}}, +{(unsigned char*)"nbumpe", {226, 137, 143, 204, 184, 0}}, +{(unsigned char*)"ncap", {226, 169, 131, 0}}, +{(unsigned char*)"ncaron", {197, 136, 0}}, +{(unsigned char*)"ncedil", {197, 134, 0}}, +{(unsigned char*)"ncong", {226, 137, 135, 0}}, +{(unsigned char*)"ncongdot", {226, 169, 173, 204, 184, 0}}, +{(unsigned char*)"ncup", {226, 169, 130, 0}}, +{(unsigned char*)"ncy", {208, 189, 0}}, +{(unsigned char*)"ndash", {226, 128, 147, 0}}, +{(unsigned char*)"ne", {226, 137, 160, 0}}, +{(unsigned char*)"neArr", {226, 135, 151, 0}}, +{(unsigned char*)"nearhk", {226, 164, 164, 0}}, +{(unsigned char*)"nearr", {226, 134, 151, 0}}, +{(unsigned char*)"nearrow", {226, 134, 151, 0}}, +{(unsigned char*)"nedot", {226, 137, 144, 204, 184, 0}}, +{(unsigned char*)"nequiv", {226, 137, 162, 0}}, +{(unsigned char*)"nesear", {226, 164, 168, 0}}, +{(unsigned char*)"nesim", {226, 137, 130, 204, 184, 0}}, +{(unsigned char*)"nexist", {226, 136, 132, 0}}, +{(unsigned char*)"nexists", {226, 136, 132, 0}}, +{(unsigned char*)"nfr", {240, 157, 148, 171, 0}}, +{(unsigned char*)"ngE", {226, 137, 167, 204, 184, 0}}, +{(unsigned char*)"nge", {226, 137, 177, 0}}, +{(unsigned char*)"ngeq", {226, 137, 177, 0}}, +{(unsigned char*)"ngeqq", {226, 137, 167, 204, 184, 0}}, +{(unsigned char*)"ngeqslant", {226, 169, 190, 204, 184, 0}}, +{(unsigned char*)"nges", {226, 169, 190, 204, 184, 0}}, +{(unsigned char*)"ngsim", {226, 137, 181, 0}}, +{(unsigned char*)"ngt", {226, 137, 175, 0}}, +{(unsigned char*)"ngtr", {226, 137, 175, 0}}, +{(unsigned char*)"nhArr", {226, 135, 142, 0}}, +{(unsigned char*)"nharr", {226, 134, 174, 0}}, +{(unsigned char*)"nhpar", {226, 171, 178, 0}}, +{(unsigned char*)"ni", {226, 136, 139, 0}}, +{(unsigned char*)"nis", {226, 139, 188, 0}}, +{(unsigned char*)"nisd", {226, 139, 186, 0}}, +{(unsigned char*)"niv", {226, 136, 139, 0}}, +{(unsigned char*)"njcy", {209, 154, 0}}, +{(unsigned char*)"nlArr", {226, 135, 141, 0}}, +{(unsigned char*)"nlE", {226, 137, 166, 204, 184, 0}}, +{(unsigned char*)"nlarr", {226, 134, 154, 0}}, +{(unsigned char*)"nldr", {226, 128, 165, 0}}, +{(unsigned char*)"nle", {226, 137, 176, 0}}, +{(unsigned char*)"nleftarrow", {226, 134, 154, 0}}, +{(unsigned char*)"nleftrightarrow", {226, 134, 174, 0}}, +{(unsigned char*)"nleq", {226, 137, 176, 0}}, +{(unsigned char*)"nleqq", {226, 137, 166, 204, 184, 0}}, +{(unsigned char*)"nleqslant", {226, 169, 189, 204, 184, 0}}, +{(unsigned char*)"nles", {226, 169, 189, 204, 184, 0}}, +{(unsigned char*)"nless", {226, 137, 174, 0}}, +{(unsigned char*)"nlsim", {226, 137, 180, 0}}, +{(unsigned char*)"nlt", {226, 137, 174, 0}}, +{(unsigned char*)"nltri", {226, 139, 170, 0}}, +{(unsigned char*)"nltrie", {226, 139, 172, 0}}, +{(unsigned char*)"nmid", {226, 136, 164, 0}}, +{(unsigned char*)"nopf", {240, 157, 149, 159, 0}}, +{(unsigned char*)"not", {194, 172, 0}}, +{(unsigned char*)"notin", {226, 136, 137, 0}}, +{(unsigned char*)"notinE", {226, 139, 185, 204, 184, 0}}, +{(unsigned char*)"notindot", {226, 139, 181, 204, 184, 0}}, +{(unsigned char*)"notinva", {226, 136, 137, 0}}, +{(unsigned char*)"notinvb", {226, 139, 183, 0}}, +{(unsigned char*)"notinvc", {226, 139, 182, 0}}, +{(unsigned char*)"notni", {226, 136, 140, 0}}, +{(unsigned char*)"notniva", {226, 136, 140, 0}}, +{(unsigned char*)"notnivb", {226, 139, 190, 0}}, +{(unsigned char*)"notnivc", {226, 139, 189, 0}}, +{(unsigned char*)"npar", {226, 136, 166, 0}}, +{(unsigned char*)"nparallel", {226, 136, 166, 0}}, +{(unsigned char*)"nparsl", {226, 171, 189, 226, 131, 165, 0}}, +{(unsigned char*)"npart", {226, 136, 130, 204, 184, 0}}, +{(unsigned char*)"npolint", {226, 168, 148, 0}}, +{(unsigned char*)"npr", {226, 138, 128, 0}}, +{(unsigned char*)"nprcue", {226, 139, 160, 0}}, +{(unsigned char*)"npre", {226, 170, 175, 204, 184, 0}}, +{(unsigned char*)"nprec", {226, 138, 128, 0}}, +{(unsigned char*)"npreceq", {226, 170, 175, 204, 184, 0}}, +{(unsigned char*)"nrArr", {226, 135, 143, 0}}, +{(unsigned char*)"nrarr", {226, 134, 155, 0}}, +{(unsigned char*)"nrarrc", {226, 164, 179, 204, 184, 0}}, +{(unsigned char*)"nrarrw", {226, 134, 157, 204, 184, 0}}, +{(unsigned char*)"nrightarrow", {226, 134, 155, 0}}, +{(unsigned char*)"nrtri", {226, 139, 171, 0}}, +{(unsigned char*)"nrtrie", {226, 139, 173, 0}}, +{(unsigned char*)"nsc", {226, 138, 129, 0}}, +{(unsigned char*)"nsccue", {226, 139, 161, 0}}, +{(unsigned char*)"nsce", {226, 170, 176, 204, 184, 0}}, +{(unsigned char*)"nscr", {240, 157, 147, 131, 0}}, +{(unsigned char*)"nshortmid", {226, 136, 164, 0}}, +{(unsigned char*)"nshortparallel", {226, 136, 166, 0}}, +{(unsigned char*)"nsim", {226, 137, 129, 0}}, +{(unsigned char*)"nsime", {226, 137, 132, 0}}, +{(unsigned char*)"nsimeq", {226, 137, 132, 0}}, +{(unsigned char*)"nsmid", {226, 136, 164, 0}}, +{(unsigned char*)"nspar", {226, 136, 166, 0}}, +{(unsigned char*)"nsqsube", {226, 139, 162, 0}}, +{(unsigned char*)"nsqsupe", {226, 139, 163, 0}}, +{(unsigned char*)"nsub", {226, 138, 132, 0}}, +{(unsigned char*)"nsubE", {226, 171, 133, 204, 184, 0}}, +{(unsigned char*)"nsube", {226, 138, 136, 0}}, +{(unsigned char*)"nsubset", {226, 138, 130, 226, 131, 146, 0}}, +{(unsigned char*)"nsubseteq", {226, 138, 136, 0}}, +{(unsigned char*)"nsubseteqq", {226, 171, 133, 204, 184, 0}}, +{(unsigned char*)"nsucc", {226, 138, 129, 0}}, +{(unsigned char*)"nsucceq", {226, 170, 176, 204, 184, 0}}, +{(unsigned char*)"nsup", {226, 138, 133, 0}}, +{(unsigned char*)"nsupE", {226, 171, 134, 204, 184, 0}}, +{(unsigned char*)"nsupe", {226, 138, 137, 0}}, +{(unsigned char*)"nsupset", {226, 138, 131, 226, 131, 146, 0}}, +{(unsigned char*)"nsupseteq", {226, 138, 137, 0}}, +{(unsigned char*)"nsupseteqq", {226, 171, 134, 204, 184, 0}}, +{(unsigned char*)"ntgl", {226, 137, 185, 0}}, +{(unsigned char*)"ntilde", {195, 177, 0}}, +{(unsigned char*)"ntlg", {226, 137, 184, 0}}, +{(unsigned char*)"ntriangleleft", {226, 139, 170, 0}}, +{(unsigned char*)"ntrianglelefteq", {226, 139, 172, 0}}, +{(unsigned char*)"ntriangleright", {226, 139, 171, 0}}, +{(unsigned char*)"ntrianglerighteq", {226, 139, 173, 0}}, +{(unsigned char*)"nu", {206, 189, 0}}, +{(unsigned char*)"num", {35, 0}}, +{(unsigned char*)"numero", {226, 132, 150, 0}}, +{(unsigned char*)"numsp", {226, 128, 135, 0}}, +{(unsigned char*)"nvDash", {226, 138, 173, 0}}, +{(unsigned char*)"nvHarr", {226, 164, 132, 0}}, +{(unsigned char*)"nvap", {226, 137, 141, 226, 131, 146, 0}}, +{(unsigned char*)"nvdash", {226, 138, 172, 0}}, +{(unsigned char*)"nvge", {226, 137, 165, 226, 131, 146, 0}}, +{(unsigned char*)"nvgt", {62, 226, 131, 146, 0}}, +{(unsigned char*)"nvinfin", {226, 167, 158, 0}}, +{(unsigned char*)"nvlArr", {226, 164, 130, 0}}, +{(unsigned char*)"nvle", {226, 137, 164, 226, 131, 146, 0}}, +{(unsigned char*)"nvlt", {60, 226, 131, 146, 0}}, +{(unsigned char*)"nvltrie", {226, 138, 180, 226, 131, 146, 0}}, +{(unsigned char*)"nvrArr", {226, 164, 131, 0}}, +{(unsigned char*)"nvrtrie", {226, 138, 181, 226, 131, 146, 0}}, +{(unsigned char*)"nvsim", {226, 136, 188, 226, 131, 146, 0}}, +{(unsigned char*)"nwArr", {226, 135, 150, 0}}, +{(unsigned char*)"nwarhk", {226, 164, 163, 0}}, +{(unsigned char*)"nwarr", {226, 134, 150, 0}}, +{(unsigned char*)"nwarrow", {226, 134, 150, 0}}, +{(unsigned char*)"nwnear", {226, 164, 167, 0}}, +{(unsigned char*)"oS", {226, 147, 136, 0}}, +{(unsigned char*)"oacute", {195, 179, 0}}, +{(unsigned char*)"oast", {226, 138, 155, 0}}, +{(unsigned char*)"ocir", {226, 138, 154, 0}}, +{(unsigned char*)"ocirc", {195, 180, 0}}, +{(unsigned char*)"ocy", {208, 190, 0}}, +{(unsigned char*)"odash", {226, 138, 157, 0}}, +{(unsigned char*)"odblac", {197, 145, 0}}, +{(unsigned char*)"odiv", {226, 168, 184, 0}}, +{(unsigned char*)"odot", {226, 138, 153, 0}}, +{(unsigned char*)"odsold", {226, 166, 188, 0}}, +{(unsigned char*)"oelig", {197, 147, 0}}, +{(unsigned char*)"ofcir", {226, 166, 191, 0}}, +{(unsigned char*)"ofr", {240, 157, 148, 172, 0}}, +{(unsigned char*)"ogon", {203, 155, 0}}, +{(unsigned char*)"ograve", {195, 178, 0}}, +{(unsigned char*)"ogt", {226, 167, 129, 0}}, +{(unsigned char*)"ohbar", {226, 166, 181, 0}}, +{(unsigned char*)"ohm", {206, 169, 0}}, +{(unsigned char*)"oint", {226, 136, 174, 0}}, +{(unsigned char*)"olarr", {226, 134, 186, 0}}, +{(unsigned char*)"olcir", {226, 166, 190, 0}}, +{(unsigned char*)"olcross", {226, 166, 187, 0}}, +{(unsigned char*)"oline", {226, 128, 190, 0}}, +{(unsigned char*)"olt", {226, 167, 128, 0}}, +{(unsigned char*)"omacr", {197, 141, 0}}, +{(unsigned char*)"omega", {207, 137, 0}}, +{(unsigned char*)"omicron", {206, 191, 0}}, +{(unsigned char*)"omid", {226, 166, 182, 0}}, +{(unsigned char*)"ominus", {226, 138, 150, 0}}, +{(unsigned char*)"oopf", {240, 157, 149, 160, 0}}, +{(unsigned char*)"opar", {226, 166, 183, 0}}, +{(unsigned char*)"operp", {226, 166, 185, 0}}, +{(unsigned char*)"oplus", {226, 138, 149, 0}}, +{(unsigned char*)"or", {226, 136, 168, 0}}, +{(unsigned char*)"orarr", {226, 134, 187, 0}}, +{(unsigned char*)"ord", {226, 169, 157, 0}}, +{(unsigned char*)"order", {226, 132, 180, 0}}, +{(unsigned char*)"orderof", {226, 132, 180, 0}}, +{(unsigned char*)"ordf", {194, 170, 0}}, +{(unsigned char*)"ordm", {194, 186, 0}}, +{(unsigned char*)"origof", {226, 138, 182, 0}}, +{(unsigned char*)"oror", {226, 169, 150, 0}}, +{(unsigned char*)"orslope", {226, 169, 151, 0}}, +{(unsigned char*)"orv", {226, 169, 155, 0}}, +{(unsigned char*)"oscr", {226, 132, 180, 0}}, +{(unsigned char*)"oslash", {195, 184, 0}}, +{(unsigned char*)"osol", {226, 138, 152, 0}}, +{(unsigned char*)"otilde", {195, 181, 0}}, +{(unsigned char*)"otimes", {226, 138, 151, 0}}, +{(unsigned char*)"otimesas", {226, 168, 182, 0}}, +{(unsigned char*)"ouml", {195, 182, 0}}, +{(unsigned char*)"ovbar", {226, 140, 189, 0}}, +{(unsigned char*)"par", {226, 136, 165, 0}}, +{(unsigned char*)"para", {194, 182, 0}}, +{(unsigned char*)"parallel", {226, 136, 165, 0}}, +{(unsigned char*)"parsim", {226, 171, 179, 0}}, +{(unsigned char*)"parsl", {226, 171, 189, 0}}, +{(unsigned char*)"part", {226, 136, 130, 0}}, +{(unsigned char*)"pcy", {208, 191, 0}}, +{(unsigned char*)"percnt", {37, 0}}, +{(unsigned char*)"period", {46, 0}}, +{(unsigned char*)"permil", {226, 128, 176, 0}}, +{(unsigned char*)"perp", {226, 138, 165, 0}}, +{(unsigned char*)"pertenk", {226, 128, 177, 0}}, +{(unsigned char*)"pfr", {240, 157, 148, 173, 0}}, +{(unsigned char*)"phi", {207, 134, 0}}, +{(unsigned char*)"phiv", {207, 149, 0}}, +{(unsigned char*)"phmmat", {226, 132, 179, 0}}, +{(unsigned char*)"phone", {226, 152, 142, 0}}, +{(unsigned char*)"pi", {207, 128, 0}}, +{(unsigned char*)"pitchfork", {226, 139, 148, 0}}, +{(unsigned char*)"piv", {207, 150, 0}}, +{(unsigned char*)"planck", {226, 132, 143, 0}}, +{(unsigned char*)"planckh", {226, 132, 142, 0}}, +{(unsigned char*)"plankv", {226, 132, 143, 0}}, +{(unsigned char*)"plus", {43, 0}}, +{(unsigned char*)"plusacir", {226, 168, 163, 0}}, +{(unsigned char*)"plusb", {226, 138, 158, 0}}, +{(unsigned char*)"pluscir", {226, 168, 162, 0}}, +{(unsigned char*)"plusdo", {226, 136, 148, 0}}, +{(unsigned char*)"plusdu", {226, 168, 165, 0}}, +{(unsigned char*)"pluse", {226, 169, 178, 0}}, +{(unsigned char*)"plusmn", {194, 177, 0}}, +{(unsigned char*)"plussim", {226, 168, 166, 0}}, +{(unsigned char*)"plustwo", {226, 168, 167, 0}}, +{(unsigned char*)"pm", {194, 177, 0}}, +{(unsigned char*)"pointint", {226, 168, 149, 0}}, +{(unsigned char*)"popf", {240, 157, 149, 161, 0}}, +{(unsigned char*)"pound", {194, 163, 0}}, +{(unsigned char*)"pr", {226, 137, 186, 0}}, +{(unsigned char*)"prE", {226, 170, 179, 0}}, +{(unsigned char*)"prap", {226, 170, 183, 0}}, +{(unsigned char*)"prcue", {226, 137, 188, 0}}, +{(unsigned char*)"pre", {226, 170, 175, 0}}, +{(unsigned char*)"prec", {226, 137, 186, 0}}, +{(unsigned char*)"precapprox", {226, 170, 183, 0}}, +{(unsigned char*)"preccurlyeq", {226, 137, 188, 0}}, +{(unsigned char*)"preceq", {226, 170, 175, 0}}, +{(unsigned char*)"precnapprox", {226, 170, 185, 0}}, +{(unsigned char*)"precneqq", {226, 170, 181, 0}}, +{(unsigned char*)"precnsim", {226, 139, 168, 0}}, +{(unsigned char*)"precsim", {226, 137, 190, 0}}, +{(unsigned char*)"prime", {226, 128, 178, 0}}, +{(unsigned char*)"primes", {226, 132, 153, 0}}, +{(unsigned char*)"prnE", {226, 170, 181, 0}}, +{(unsigned char*)"prnap", {226, 170, 185, 0}}, +{(unsigned char*)"prnsim", {226, 139, 168, 0}}, +{(unsigned char*)"prod", {226, 136, 143, 0}}, +{(unsigned char*)"profalar", {226, 140, 174, 0}}, +{(unsigned char*)"profline", {226, 140, 146, 0}}, +{(unsigned char*)"profsurf", {226, 140, 147, 0}}, +{(unsigned char*)"prop", {226, 136, 157, 0}}, +{(unsigned char*)"propto", {226, 136, 157, 0}}, +{(unsigned char*)"prsim", {226, 137, 190, 0}}, +{(unsigned char*)"prurel", {226, 138, 176, 0}}, +{(unsigned char*)"pscr", {240, 157, 147, 133, 0}}, +{(unsigned char*)"psi", {207, 136, 0}}, +{(unsigned char*)"puncsp", {226, 128, 136, 0}}, +{(unsigned char*)"qfr", {240, 157, 148, 174, 0}}, +{(unsigned char*)"qint", {226, 168, 140, 0}}, +{(unsigned char*)"qopf", {240, 157, 149, 162, 0}}, +{(unsigned char*)"qprime", {226, 129, 151, 0}}, +{(unsigned char*)"qscr", {240, 157, 147, 134, 0}}, +{(unsigned char*)"quaternions", {226, 132, 141, 0}}, +{(unsigned char*)"quatint", {226, 168, 150, 0}}, +{(unsigned char*)"quest", {63, 0}}, +{(unsigned char*)"questeq", {226, 137, 159, 0}}, +{(unsigned char*)"quot", {34, 0}}, +{(unsigned char*)"rAarr", {226, 135, 155, 0}}, +{(unsigned char*)"rArr", {226, 135, 146, 0}}, +{(unsigned char*)"rAtail", {226, 164, 156, 0}}, +{(unsigned char*)"rBarr", {226, 164, 143, 0}}, +{(unsigned char*)"rHar", {226, 165, 164, 0}}, +{(unsigned char*)"race", {226, 136, 189, 204, 177, 0}}, +{(unsigned char*)"racute", {197, 149, 0}}, +{(unsigned char*)"radic", {226, 136, 154, 0}}, +{(unsigned char*)"raemptyv", {226, 166, 179, 0}}, +{(unsigned char*)"rang", {226, 159, 169, 0}}, +{(unsigned char*)"rangd", {226, 166, 146, 0}}, +{(unsigned char*)"range", {226, 166, 165, 0}}, +{(unsigned char*)"rangle", {226, 159, 169, 0}}, +{(unsigned char*)"raquo", {194, 187, 0}}, +{(unsigned char*)"rarr", {226, 134, 146, 0}}, +{(unsigned char*)"rarrap", {226, 165, 181, 0}}, +{(unsigned char*)"rarrb", {226, 135, 165, 0}}, +{(unsigned char*)"rarrbfs", {226, 164, 160, 0}}, +{(unsigned char*)"rarrc", {226, 164, 179, 0}}, +{(unsigned char*)"rarrfs", {226, 164, 158, 0}}, +{(unsigned char*)"rarrhk", {226, 134, 170, 0}}, +{(unsigned char*)"rarrlp", {226, 134, 172, 0}}, +{(unsigned char*)"rarrpl", {226, 165, 133, 0}}, +{(unsigned char*)"rarrsim", {226, 165, 180, 0}}, +{(unsigned char*)"rarrtl", {226, 134, 163, 0}}, +{(unsigned char*)"rarrw", {226, 134, 157, 0}}, +{(unsigned char*)"ratail", {226, 164, 154, 0}}, +{(unsigned char*)"ratio", {226, 136, 182, 0}}, +{(unsigned char*)"rationals", {226, 132, 154, 0}}, +{(unsigned char*)"rbarr", {226, 164, 141, 0}}, +{(unsigned char*)"rbbrk", {226, 157, 179, 0}}, +{(unsigned char*)"rbrace", {125, 0}}, +{(unsigned char*)"rbrack", {93, 0}}, +{(unsigned char*)"rbrke", {226, 166, 140, 0}}, +{(unsigned char*)"rbrksld", {226, 166, 142, 0}}, +{(unsigned char*)"rbrkslu", {226, 166, 144, 0}}, +{(unsigned char*)"rcaron", {197, 153, 0}}, +{(unsigned char*)"rcedil", {197, 151, 0}}, +{(unsigned char*)"rceil", {226, 140, 137, 0}}, +{(unsigned char*)"rcub", {125, 0}}, +{(unsigned char*)"rcy", {209, 128, 0}}, +{(unsigned char*)"rdca", {226, 164, 183, 0}}, +{(unsigned char*)"rdldhar", {226, 165, 169, 0}}, +{(unsigned char*)"rdquo", {226, 128, 157, 0}}, +{(unsigned char*)"rdquor", {226, 128, 157, 0}}, +{(unsigned char*)"rdsh", {226, 134, 179, 0}}, +{(unsigned char*)"real", {226, 132, 156, 0}}, +{(unsigned char*)"realine", {226, 132, 155, 0}}, +{(unsigned char*)"realpart", {226, 132, 156, 0}}, +{(unsigned char*)"reals", {226, 132, 157, 0}}, +{(unsigned char*)"rect", {226, 150, 173, 0}}, +{(unsigned char*)"reg", {194, 174, 0}}, +{(unsigned char*)"rfisht", {226, 165, 189, 0}}, +{(unsigned char*)"rfloor", {226, 140, 139, 0}}, +{(unsigned char*)"rfr", {240, 157, 148, 175, 0}}, +{(unsigned char*)"rhard", {226, 135, 129, 0}}, +{(unsigned char*)"rharu", {226, 135, 128, 0}}, +{(unsigned char*)"rharul", {226, 165, 172, 0}}, +{(unsigned char*)"rho", {207, 129, 0}}, +{(unsigned char*)"rhov", {207, 177, 0}}, +{(unsigned char*)"rightarrow", {226, 134, 146, 0}}, +{(unsigned char*)"rightarrowtail", {226, 134, 163, 0}}, +{(unsigned char*)"rightharpoondown", {226, 135, 129, 0}}, +{(unsigned char*)"rightharpoonup", {226, 135, 128, 0}}, +{(unsigned char*)"rightleftarrows", {226, 135, 132, 0}}, +{(unsigned char*)"rightleftharpoons", {226, 135, 140, 0}}, +{(unsigned char*)"rightrightarrows", {226, 135, 137, 0}}, +{(unsigned char*)"rightsquigarrow", {226, 134, 157, 0}}, +{(unsigned char*)"rightthreetimes", {226, 139, 140, 0}}, +{(unsigned char*)"ring", {203, 154, 0}}, +{(unsigned char*)"risingdotseq", {226, 137, 147, 0}}, +{(unsigned char*)"rlarr", {226, 135, 132, 0}}, +{(unsigned char*)"rlhar", {226, 135, 140, 0}}, +{(unsigned char*)"rlm", {226, 128, 143, 0}}, +{(unsigned char*)"rmoust", {226, 142, 177, 0}}, +{(unsigned char*)"rmoustache", {226, 142, 177, 0}}, +{(unsigned char*)"rnmid", {226, 171, 174, 0}}, +{(unsigned char*)"roang", {226, 159, 173, 0}}, +{(unsigned char*)"roarr", {226, 135, 190, 0}}, +{(unsigned char*)"robrk", {226, 159, 167, 0}}, +{(unsigned char*)"ropar", {226, 166, 134, 0}}, +{(unsigned char*)"ropf", {240, 157, 149, 163, 0}}, +{(unsigned char*)"roplus", {226, 168, 174, 0}}, +{(unsigned char*)"rotimes", {226, 168, 181, 0}}, +{(unsigned char*)"rpar", {41, 0}}, +{(unsigned char*)"rpargt", {226, 166, 148, 0}}, +{(unsigned char*)"rppolint", {226, 168, 146, 0}}, +{(unsigned char*)"rrarr", {226, 135, 137, 0}}, +{(unsigned char*)"rsaquo", {226, 128, 186, 0}}, +{(unsigned char*)"rscr", {240, 157, 147, 135, 0}}, +{(unsigned char*)"rsh", {226, 134, 177, 0}}, +{(unsigned char*)"rsqb", {93, 0}}, +{(unsigned char*)"rsquo", {226, 128, 153, 0}}, +{(unsigned char*)"rsquor", {226, 128, 153, 0}}, +{(unsigned char*)"rthree", {226, 139, 140, 0}}, +{(unsigned char*)"rtimes", {226, 139, 138, 0}}, +{(unsigned char*)"rtri", {226, 150, 185, 0}}, +{(unsigned char*)"rtrie", {226, 138, 181, 0}}, +{(unsigned char*)"rtrif", {226, 150, 184, 0}}, +{(unsigned char*)"rtriltri", {226, 167, 142, 0}}, +{(unsigned char*)"ruluhar", {226, 165, 168, 0}}, +{(unsigned char*)"rx", {226, 132, 158, 0}}, +{(unsigned char*)"sacute", {197, 155, 0}}, +{(unsigned char*)"sbquo", {226, 128, 154, 0}}, +{(unsigned char*)"sc", {226, 137, 187, 0}}, +{(unsigned char*)"scE", {226, 170, 180, 0}}, +{(unsigned char*)"scap", {226, 170, 184, 0}}, +{(unsigned char*)"scaron", {197, 161, 0}}, +{(unsigned char*)"sccue", {226, 137, 189, 0}}, +{(unsigned char*)"sce", {226, 170, 176, 0}}, +{(unsigned char*)"scedil", {197, 159, 0}}, +{(unsigned char*)"scirc", {197, 157, 0}}, +{(unsigned char*)"scnE", {226, 170, 182, 0}}, +{(unsigned char*)"scnap", {226, 170, 186, 0}}, +{(unsigned char*)"scnsim", {226, 139, 169, 0}}, +{(unsigned char*)"scpolint", {226, 168, 147, 0}}, +{(unsigned char*)"scsim", {226, 137, 191, 0}}, +{(unsigned char*)"scy", {209, 129, 0}}, +{(unsigned char*)"sdot", {226, 139, 133, 0}}, +{(unsigned char*)"sdotb", {226, 138, 161, 0}}, +{(unsigned char*)"sdote", {226, 169, 166, 0}}, +{(unsigned char*)"seArr", {226, 135, 152, 0}}, +{(unsigned char*)"searhk", {226, 164, 165, 0}}, +{(unsigned char*)"searr", {226, 134, 152, 0}}, +{(unsigned char*)"searrow", {226, 134, 152, 0}}, +{(unsigned char*)"sect", {194, 167, 0}}, +{(unsigned char*)"semi", {59, 0}}, +{(unsigned char*)"seswar", {226, 164, 169, 0}}, +{(unsigned char*)"setminus", {226, 136, 150, 0}}, +{(unsigned char*)"setmn", {226, 136, 150, 0}}, +{(unsigned char*)"sext", {226, 156, 182, 0}}, +{(unsigned char*)"sfr", {240, 157, 148, 176, 0}}, +{(unsigned char*)"sfrown", {226, 140, 162, 0}}, +{(unsigned char*)"sharp", {226, 153, 175, 0}}, +{(unsigned char*)"shchcy", {209, 137, 0}}, +{(unsigned char*)"shcy", {209, 136, 0}}, +{(unsigned char*)"shortmid", {226, 136, 163, 0}}, +{(unsigned char*)"shortparallel", {226, 136, 165, 0}}, +{(unsigned char*)"shy", {194, 173, 0}}, +{(unsigned char*)"sigma", {207, 131, 0}}, +{(unsigned char*)"sigmaf", {207, 130, 0}}, +{(unsigned char*)"sigmav", {207, 130, 0}}, +{(unsigned char*)"sim", {226, 136, 188, 0}}, +{(unsigned char*)"simdot", {226, 169, 170, 0}}, +{(unsigned char*)"sime", {226, 137, 131, 0}}, +{(unsigned char*)"simeq", {226, 137, 131, 0}}, +{(unsigned char*)"simg", {226, 170, 158, 0}}, +{(unsigned char*)"simgE", {226, 170, 160, 0}}, +{(unsigned char*)"siml", {226, 170, 157, 0}}, +{(unsigned char*)"simlE", {226, 170, 159, 0}}, +{(unsigned char*)"simne", {226, 137, 134, 0}}, +{(unsigned char*)"simplus", {226, 168, 164, 0}}, +{(unsigned char*)"simrarr", {226, 165, 178, 0}}, +{(unsigned char*)"slarr", {226, 134, 144, 0}}, +{(unsigned char*)"smallsetminus", {226, 136, 150, 0}}, +{(unsigned char*)"smashp", {226, 168, 179, 0}}, +{(unsigned char*)"smeparsl", {226, 167, 164, 0}}, +{(unsigned char*)"smid", {226, 136, 163, 0}}, +{(unsigned char*)"smile", {226, 140, 163, 0}}, +{(unsigned char*)"smt", {226, 170, 170, 0}}, +{(unsigned char*)"smte", {226, 170, 172, 0}}, +{(unsigned char*)"smtes", {226, 170, 172, 239, 184, 128, 0}}, +{(unsigned char*)"softcy", {209, 140, 0}}, +{(unsigned char*)"sol", {47, 0}}, +{(unsigned char*)"solb", {226, 167, 132, 0}}, +{(unsigned char*)"solbar", {226, 140, 191, 0}}, +{(unsigned char*)"sopf", {240, 157, 149, 164, 0}}, +{(unsigned char*)"spades", {226, 153, 160, 0}}, +{(unsigned char*)"spadesuit", {226, 153, 160, 0}}, +{(unsigned char*)"spar", {226, 136, 165, 0}}, +{(unsigned char*)"sqcap", {226, 138, 147, 0}}, +{(unsigned char*)"sqcaps", {226, 138, 147, 239, 184, 128, 0}}, +{(unsigned char*)"sqcup", {226, 138, 148, 0}}, +{(unsigned char*)"sqcups", {226, 138, 148, 239, 184, 128, 0}}, +{(unsigned char*)"sqsub", {226, 138, 143, 0}}, +{(unsigned char*)"sqsube", {226, 138, 145, 0}}, +{(unsigned char*)"sqsubset", {226, 138, 143, 0}}, +{(unsigned char*)"sqsubseteq", {226, 138, 145, 0}}, +{(unsigned char*)"sqsup", {226, 138, 144, 0}}, +{(unsigned char*)"sqsupe", {226, 138, 146, 0}}, +{(unsigned char*)"sqsupset", {226, 138, 144, 0}}, +{(unsigned char*)"sqsupseteq", {226, 138, 146, 0}}, +{(unsigned char*)"squ", {226, 150, 161, 0}}, +{(unsigned char*)"square", {226, 150, 161, 0}}, +{(unsigned char*)"squarf", {226, 150, 170, 0}}, +{(unsigned char*)"squf", {226, 150, 170, 0}}, +{(unsigned char*)"srarr", {226, 134, 146, 0}}, +{(unsigned char*)"sscr", {240, 157, 147, 136, 0}}, +{(unsigned char*)"ssetmn", {226, 136, 150, 0}}, +{(unsigned char*)"ssmile", {226, 140, 163, 0}}, +{(unsigned char*)"sstarf", {226, 139, 134, 0}}, +{(unsigned char*)"star", {226, 152, 134, 0}}, +{(unsigned char*)"starf", {226, 152, 133, 0}}, +{(unsigned char*)"straightepsilon", {207, 181, 0}}, +{(unsigned char*)"straightphi", {207, 149, 0}}, +{(unsigned char*)"strns", {194, 175, 0}}, +{(unsigned char*)"sub", {226, 138, 130, 0}}, +{(unsigned char*)"subE", {226, 171, 133, 0}}, +{(unsigned char*)"subdot", {226, 170, 189, 0}}, +{(unsigned char*)"sube", {226, 138, 134, 0}}, +{(unsigned char*)"subedot", {226, 171, 131, 0}}, +{(unsigned char*)"submult", {226, 171, 129, 0}}, +{(unsigned char*)"subnE", {226, 171, 139, 0}}, +{(unsigned char*)"subne", {226, 138, 138, 0}}, +{(unsigned char*)"subplus", {226, 170, 191, 0}}, +{(unsigned char*)"subrarr", {226, 165, 185, 0}}, +{(unsigned char*)"subset", {226, 138, 130, 0}}, +{(unsigned char*)"subseteq", {226, 138, 134, 0}}, +{(unsigned char*)"subseteqq", {226, 171, 133, 0}}, +{(unsigned char*)"subsetneq", {226, 138, 138, 0}}, +{(unsigned char*)"subsetneqq", {226, 171, 139, 0}}, +{(unsigned char*)"subsim", {226, 171, 135, 0}}, +{(unsigned char*)"subsub", {226, 171, 149, 0}}, +{(unsigned char*)"subsup", {226, 171, 147, 0}}, +{(unsigned char*)"succ", {226, 137, 187, 0}}, +{(unsigned char*)"succapprox", {226, 170, 184, 0}}, +{(unsigned char*)"succcurlyeq", {226, 137, 189, 0}}, +{(unsigned char*)"succeq", {226, 170, 176, 0}}, +{(unsigned char*)"succnapprox", {226, 170, 186, 0}}, +{(unsigned char*)"succneqq", {226, 170, 182, 0}}, +{(unsigned char*)"succnsim", {226, 139, 169, 0}}, +{(unsigned char*)"succsim", {226, 137, 191, 0}}, +{(unsigned char*)"sum", {226, 136, 145, 0}}, +{(unsigned char*)"sung", {226, 153, 170, 0}}, +{(unsigned char*)"sup", {226, 138, 131, 0}}, +{(unsigned char*)"sup1", {194, 185, 0}}, +{(unsigned char*)"sup2", {194, 178, 0}}, +{(unsigned char*)"sup3", {194, 179, 0}}, +{(unsigned char*)"supE", {226, 171, 134, 0}}, +{(unsigned char*)"supdot", {226, 170, 190, 0}}, +{(unsigned char*)"supdsub", {226, 171, 152, 0}}, +{(unsigned char*)"supe", {226, 138, 135, 0}}, +{(unsigned char*)"supedot", {226, 171, 132, 0}}, +{(unsigned char*)"suphsol", {226, 159, 137, 0}}, +{(unsigned char*)"suphsub", {226, 171, 151, 0}}, +{(unsigned char*)"suplarr", {226, 165, 187, 0}}, +{(unsigned char*)"supmult", {226, 171, 130, 0}}, +{(unsigned char*)"supnE", {226, 171, 140, 0}}, +{(unsigned char*)"supne", {226, 138, 139, 0}}, +{(unsigned char*)"supplus", {226, 171, 128, 0}}, +{(unsigned char*)"supset", {226, 138, 131, 0}}, +{(unsigned char*)"supseteq", {226, 138, 135, 0}}, +{(unsigned char*)"supseteqq", {226, 171, 134, 0}}, +{(unsigned char*)"supsetneq", {226, 138, 139, 0}}, +{(unsigned char*)"supsetneqq", {226, 171, 140, 0}}, +{(unsigned char*)"supsim", {226, 171, 136, 0}}, +{(unsigned char*)"supsub", {226, 171, 148, 0}}, +{(unsigned char*)"supsup", {226, 171, 150, 0}}, +{(unsigned char*)"swArr", {226, 135, 153, 0}}, +{(unsigned char*)"swarhk", {226, 164, 166, 0}}, +{(unsigned char*)"swarr", {226, 134, 153, 0}}, +{(unsigned char*)"swarrow", {226, 134, 153, 0}}, +{(unsigned char*)"swnwar", {226, 164, 170, 0}}, +{(unsigned char*)"szlig", {195, 159, 0}}, +{(unsigned char*)"target", {226, 140, 150, 0}}, +{(unsigned char*)"tau", {207, 132, 0}}, +{(unsigned char*)"tbrk", {226, 142, 180, 0}}, +{(unsigned char*)"tcaron", {197, 165, 0}}, +{(unsigned char*)"tcedil", {197, 163, 0}}, +{(unsigned char*)"tcy", {209, 130, 0}}, +{(unsigned char*)"tdot", {226, 131, 155, 0}}, +{(unsigned char*)"telrec", {226, 140, 149, 0}}, +{(unsigned char*)"tfr", {240, 157, 148, 177, 0}}, +{(unsigned char*)"there4", {226, 136, 180, 0}}, +{(unsigned char*)"therefore", {226, 136, 180, 0}}, +{(unsigned char*)"theta", {206, 184, 0}}, +{(unsigned char*)"thetasym", {207, 145, 0}}, +{(unsigned char*)"thetav", {207, 145, 0}}, +{(unsigned char*)"thickapprox", {226, 137, 136, 0}}, +{(unsigned char*)"thicksim", {226, 136, 188, 0}}, +{(unsigned char*)"thinsp", {226, 128, 137, 0}}, +{(unsigned char*)"thkap", {226, 137, 136, 0}}, +{(unsigned char*)"thksim", {226, 136, 188, 0}}, +{(unsigned char*)"thorn", {195, 190, 0}}, +{(unsigned char*)"tilde", {203, 156, 0}}, +{(unsigned char*)"times", {195, 151, 0}}, +{(unsigned char*)"timesb", {226, 138, 160, 0}}, +{(unsigned char*)"timesbar", {226, 168, 177, 0}}, +{(unsigned char*)"timesd", {226, 168, 176, 0}}, +{(unsigned char*)"tint", {226, 136, 173, 0}}, +{(unsigned char*)"toea", {226, 164, 168, 0}}, +{(unsigned char*)"top", {226, 138, 164, 0}}, +{(unsigned char*)"topbot", {226, 140, 182, 0}}, +{(unsigned char*)"topcir", {226, 171, 177, 0}}, +{(unsigned char*)"topf", {240, 157, 149, 165, 0}}, +{(unsigned char*)"topfork", {226, 171, 154, 0}}, +{(unsigned char*)"tosa", {226, 164, 169, 0}}, +{(unsigned char*)"tprime", {226, 128, 180, 0}}, +{(unsigned char*)"trade", {226, 132, 162, 0}}, +{(unsigned char*)"triangle", {226, 150, 181, 0}}, +{(unsigned char*)"triangledown", {226, 150, 191, 0}}, +{(unsigned char*)"triangleleft", {226, 151, 131, 0}}, +{(unsigned char*)"trianglelefteq", {226, 138, 180, 0}}, +{(unsigned char*)"triangleq", {226, 137, 156, 0}}, +{(unsigned char*)"triangleright", {226, 150, 185, 0}}, +{(unsigned char*)"trianglerighteq", {226, 138, 181, 0}}, +{(unsigned char*)"tridot", {226, 151, 172, 0}}, +{(unsigned char*)"trie", {226, 137, 156, 0}}, +{(unsigned char*)"triminus", {226, 168, 186, 0}}, +{(unsigned char*)"triplus", {226, 168, 185, 0}}, +{(unsigned char*)"trisb", {226, 167, 141, 0}}, +{(unsigned char*)"tritime", {226, 168, 187, 0}}, +{(unsigned char*)"trpezium", {226, 143, 162, 0}}, +{(unsigned char*)"tscr", {240, 157, 147, 137, 0}}, +{(unsigned char*)"tscy", {209, 134, 0}}, +{(unsigned char*)"tshcy", {209, 155, 0}}, +{(unsigned char*)"tstrok", {197, 167, 0}}, +{(unsigned char*)"twixt", {226, 137, 172, 0}}, +{(unsigned char*)"twoheadleftarrow", {226, 134, 158, 0}}, +{(unsigned char*)"twoheadrightarrow", {226, 134, 160, 0}}, +{(unsigned char*)"uArr", {226, 135, 145, 0}}, +{(unsigned char*)"uHar", {226, 165, 163, 0}}, +{(unsigned char*)"uacute", {195, 186, 0}}, +{(unsigned char*)"uarr", {226, 134, 145, 0}}, +{(unsigned char*)"ubrcy", {209, 158, 0}}, +{(unsigned char*)"ubreve", {197, 173, 0}}, +{(unsigned char*)"ucirc", {195, 187, 0}}, +{(unsigned char*)"ucy", {209, 131, 0}}, +{(unsigned char*)"udarr", {226, 135, 133, 0}}, +{(unsigned char*)"udblac", {197, 177, 0}}, +{(unsigned char*)"udhar", {226, 165, 174, 0}}, +{(unsigned char*)"ufisht", {226, 165, 190, 0}}, +{(unsigned char*)"ufr", {240, 157, 148, 178, 0}}, +{(unsigned char*)"ugrave", {195, 185, 0}}, +{(unsigned char*)"uharl", {226, 134, 191, 0}}, +{(unsigned char*)"uharr", {226, 134, 190, 0}}, +{(unsigned char*)"uhblk", {226, 150, 128, 0}}, +{(unsigned char*)"ulcorn", {226, 140, 156, 0}}, +{(unsigned char*)"ulcorner", {226, 140, 156, 0}}, +{(unsigned char*)"ulcrop", {226, 140, 143, 0}}, +{(unsigned char*)"ultri", {226, 151, 184, 0}}, +{(unsigned char*)"umacr", {197, 171, 0}}, +{(unsigned char*)"uml", {194, 168, 0}}, +{(unsigned char*)"uogon", {197, 179, 0}}, +{(unsigned char*)"uopf", {240, 157, 149, 166, 0}}, +{(unsigned char*)"uparrow", {226, 134, 145, 0}}, +{(unsigned char*)"updownarrow", {226, 134, 149, 0}}, +{(unsigned char*)"upharpoonleft", {226, 134, 191, 0}}, +{(unsigned char*)"upharpoonright", {226, 134, 190, 0}}, +{(unsigned char*)"uplus", {226, 138, 142, 0}}, +{(unsigned char*)"upsi", {207, 133, 0}}, +{(unsigned char*)"upsih", {207, 146, 0}}, +{(unsigned char*)"upsilon", {207, 133, 0}}, +{(unsigned char*)"upuparrows", {226, 135, 136, 0}}, +{(unsigned char*)"urcorn", {226, 140, 157, 0}}, +{(unsigned char*)"urcorner", {226, 140, 157, 0}}, +{(unsigned char*)"urcrop", {226, 140, 142, 0}}, +{(unsigned char*)"uring", {197, 175, 0}}, +{(unsigned char*)"urtri", {226, 151, 185, 0}}, +{(unsigned char*)"uscr", {240, 157, 147, 138, 0}}, +{(unsigned char*)"utdot", {226, 139, 176, 0}}, +{(unsigned char*)"utilde", {197, 169, 0}}, +{(unsigned char*)"utri", {226, 150, 181, 0}}, +{(unsigned char*)"utrif", {226, 150, 180, 0}}, +{(unsigned char*)"uuarr", {226, 135, 136, 0}}, +{(unsigned char*)"uuml", {195, 188, 0}}, +{(unsigned char*)"uwangle", {226, 166, 167, 0}}, +{(unsigned char*)"vArr", {226, 135, 149, 0}}, +{(unsigned char*)"vBar", {226, 171, 168, 0}}, +{(unsigned char*)"vBarv", {226, 171, 169, 0}}, +{(unsigned char*)"vDash", {226, 138, 168, 0}}, +{(unsigned char*)"vangrt", {226, 166, 156, 0}}, +{(unsigned char*)"varepsilon", {207, 181, 0}}, +{(unsigned char*)"varkappa", {207, 176, 0}}, +{(unsigned char*)"varnothing", {226, 136, 133, 0}}, +{(unsigned char*)"varphi", {207, 149, 0}}, +{(unsigned char*)"varpi", {207, 150, 0}}, +{(unsigned char*)"varpropto", {226, 136, 157, 0}}, +{(unsigned char*)"varr", {226, 134, 149, 0}}, +{(unsigned char*)"varrho", {207, 177, 0}}, +{(unsigned char*)"varsigma", {207, 130, 0}}, +{(unsigned char*)"varsubsetneq", {226, 138, 138, 239, 184, 128, 0}}, +{(unsigned char*)"varsubsetneqq", {226, 171, 139, 239, 184, 128, 0}}, +{(unsigned char*)"varsupsetneq", {226, 138, 139, 239, 184, 128, 0}}, +{(unsigned char*)"varsupsetneqq", {226, 171, 140, 239, 184, 128, 0}}, +{(unsigned char*)"vartheta", {207, 145, 0}}, +{(unsigned char*)"vartriangleleft", {226, 138, 178, 0}}, +{(unsigned char*)"vartriangleright", {226, 138, 179, 0}}, +{(unsigned char*)"vcy", {208, 178, 0}}, +{(unsigned char*)"vdash", {226, 138, 162, 0}}, +{(unsigned char*)"vee", {226, 136, 168, 0}}, +{(unsigned char*)"veebar", {226, 138, 187, 0}}, +{(unsigned char*)"veeeq", {226, 137, 154, 0}}, +{(unsigned char*)"vellip", {226, 139, 174, 0}}, +{(unsigned char*)"verbar", {124, 0}}, +{(unsigned char*)"vert", {124, 0}}, +{(unsigned char*)"vfr", {240, 157, 148, 179, 0}}, +{(unsigned char*)"vltri", {226, 138, 178, 0}}, +{(unsigned char*)"vnsub", {226, 138, 130, 226, 131, 146, 0}}, +{(unsigned char*)"vnsup", {226, 138, 131, 226, 131, 146, 0}}, +{(unsigned char*)"vopf", {240, 157, 149, 167, 0}}, +{(unsigned char*)"vprop", {226, 136, 157, 0}}, +{(unsigned char*)"vrtri", {226, 138, 179, 0}}, +{(unsigned char*)"vscr", {240, 157, 147, 139, 0}}, +{(unsigned char*)"vsubnE", {226, 171, 139, 239, 184, 128, 0}}, +{(unsigned char*)"vsubne", {226, 138, 138, 239, 184, 128, 0}}, +{(unsigned char*)"vsupnE", {226, 171, 140, 239, 184, 128, 0}}, +{(unsigned char*)"vsupne", {226, 138, 139, 239, 184, 128, 0}}, +{(unsigned char*)"vzigzag", {226, 166, 154, 0}}, +{(unsigned char*)"wcirc", {197, 181, 0}}, +{(unsigned char*)"wedbar", {226, 169, 159, 0}}, +{(unsigned char*)"wedge", {226, 136, 167, 0}}, +{(unsigned char*)"wedgeq", {226, 137, 153, 0}}, +{(unsigned char*)"weierp", {226, 132, 152, 0}}, +{(unsigned char*)"wfr", {240, 157, 148, 180, 0}}, +{(unsigned char*)"wopf", {240, 157, 149, 168, 0}}, +{(unsigned char*)"wp", {226, 132, 152, 0}}, +{(unsigned char*)"wr", {226, 137, 128, 0}}, +{(unsigned char*)"wreath", {226, 137, 128, 0}}, +{(unsigned char*)"wscr", {240, 157, 147, 140, 0}}, +{(unsigned char*)"xcap", {226, 139, 130, 0}}, +{(unsigned char*)"xcirc", {226, 151, 175, 0}}, +{(unsigned char*)"xcup", {226, 139, 131, 0}}, +{(unsigned char*)"xdtri", {226, 150, 189, 0}}, +{(unsigned char*)"xfr", {240, 157, 148, 181, 0}}, +{(unsigned char*)"xhArr", {226, 159, 186, 0}}, +{(unsigned char*)"xharr", {226, 159, 183, 0}}, +{(unsigned char*)"xi", {206, 190, 0}}, +{(unsigned char*)"xlArr", {226, 159, 184, 0}}, +{(unsigned char*)"xlarr", {226, 159, 181, 0}}, +{(unsigned char*)"xmap", {226, 159, 188, 0}}, +{(unsigned char*)"xnis", {226, 139, 187, 0}}, +{(unsigned char*)"xodot", {226, 168, 128, 0}}, +{(unsigned char*)"xopf", {240, 157, 149, 169, 0}}, +{(unsigned char*)"xoplus", {226, 168, 129, 0}}, +{(unsigned char*)"xotime", {226, 168, 130, 0}}, +{(unsigned char*)"xrArr", {226, 159, 185, 0}}, +{(unsigned char*)"xrarr", {226, 159, 182, 0}}, +{(unsigned char*)"xscr", {240, 157, 147, 141, 0}}, +{(unsigned char*)"xsqcup", {226, 168, 134, 0}}, +{(unsigned char*)"xuplus", {226, 168, 132, 0}}, +{(unsigned char*)"xutri", {226, 150, 179, 0}}, +{(unsigned char*)"xvee", {226, 139, 129, 0}}, +{(unsigned char*)"xwedge", {226, 139, 128, 0}}, +{(unsigned char*)"yacute", {195, 189, 0}}, +{(unsigned char*)"yacy", {209, 143, 0}}, +{(unsigned char*)"ycirc", {197, 183, 0}}, +{(unsigned char*)"ycy", {209, 139, 0}}, +{(unsigned char*)"yen", {194, 165, 0}}, +{(unsigned char*)"yfr", {240, 157, 148, 182, 0}}, +{(unsigned char*)"yicy", {209, 151, 0}}, +{(unsigned char*)"yopf", {240, 157, 149, 170, 0}}, +{(unsigned char*)"yscr", {240, 157, 147, 142, 0}}, +{(unsigned char*)"yucy", {209, 142, 0}}, +{(unsigned char*)"yuml", {195, 191, 0}}, +{(unsigned char*)"zacute", {197, 186, 0}}, +{(unsigned char*)"zcaron", {197, 190, 0}}, +{(unsigned char*)"zcy", {208, 183, 0}}, +{(unsigned char*)"zdot", {197, 188, 0}}, +{(unsigned char*)"zeetrf", {226, 132, 168, 0}}, +{(unsigned char*)"zeta", {206, 182, 0}}, +{(unsigned char*)"zfr", {240, 157, 148, 183, 0}}, +{(unsigned char*)"zhcy", {208, 182, 0}}, +{(unsigned char*)"zigrarr", {226, 135, 157, 0}}, +{(unsigned char*)"zopf", {240, 157, 149, 171, 0}}, +{(unsigned char*)"zscr", {240, 157, 147, 143, 0}}, +{(unsigned char*)"zwj", {226, 128, 141, 0}}, +{(unsigned char*)"zwnj", {226, 128, 140, 0}}, +}; diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/footnotes.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/footnotes.c new file mode 100644 index 0000000000..c2b745f797 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/footnotes.c @@ -0,0 +1,63 @@ +#include "cmark-gfm.h" +#include "parser.h" +#include "footnotes.h" +#include "inlines.h" +#include "chunk.h" + +static void footnote_free(cmark_map *map, cmark_map_entry *_ref) { + cmark_footnote *ref = (cmark_footnote *)_ref; + cmark_mem *mem = map->mem; + if (ref != NULL) { + mem->free(ref->entry.label); + if (ref->node) + cmark_node_free(ref->node); + mem->free(ref); + } +} + +void cmark_footnote_create(cmark_map *map, cmark_node *node) { + cmark_footnote *ref; + unsigned char *reflabel = normalize_map_label(map->mem, &node->as.literal); + + /* empty footnote name, or composed from only whitespace */ + if (reflabel == NULL) + return; + + assert(map->sorted == NULL); + + ref = (cmark_footnote *)map->mem->calloc(1, sizeof(*ref)); + ref->entry.label = reflabel; + ref->node = node; + ref->entry.age = map->size; + ref->entry.next = map->refs; + + map->refs = (cmark_map_entry *)ref; + map->size++; +} + +cmark_map *cmark_footnote_map_new(cmark_mem *mem) { + return cmark_map_new(mem, footnote_free); +} + +// Before calling `cmark_map_free` on a map with `cmark_footnotes`, first +// unlink all of the footnote nodes before freeing their memory. +// +// Sometimes, two (unused) footnote nodes can end up referencing each other, +// which as they get freed up by calling `cmark_map_free` -> `footnote_free` -> +// etc, can lead to a use-after-free error. +// +// Better to `unlink` every footnote node first, setting their next, prev, and +// parent pointers to NULL, and only then walk thru & free them up. +void cmark_unlink_footnotes_map(cmark_map *map) { + cmark_map_entry *ref; + cmark_map_entry *next; + + ref = map->refs; + while(ref) { + next = ref->next; + if (((cmark_footnote *)ref)->node) { + cmark_node_unlink(((cmark_footnote *)ref)->node); + } + ref = next; + } +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_href_e.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_href_e.c new file mode 100644 index 0000000000..bff3c612f2 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_href_e.c @@ -0,0 +1,110 @@ +#include +#include +#include + +#include "houdini.h" + +#if !defined(__has_builtin) +# define __has_builtin(b) 0 +#endif + +#if !__has_builtin(__builtin_expect) +# define __builtin_expect(e, v) (e) +#endif + +#define likely(e) __builtin_expect((e), 1) + +/* + * The following characters will not be escaped: + * + * -_.+!*'(),%#@?=;:/,+&$~ alphanum + * + * Note that this character set is the addition of: + * + * - The characters which are safe to be in an URL + * - The characters which are *not* safe to be in + * an URL because they are RESERVED characters. + * + * We assume (lazily) that any RESERVED char that + * appears inside an URL is actually meant to + * have its native function (i.e. as an URL + * component/separator) and hence needs no escaping. + * + * There are two exceptions: the chacters & (amp) + * and ' (single quote) do not appear in the table. + * They are meant to appear in the URL as components, + * yet they require special HTML-entity escaping + * to generate valid HTML markup. + * + * All other characters will be escaped to %XX. + * + */ +static const char HREF_SAFE[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; + +int houdini_escape_href(cmark_strbuf *ob, const uint8_t *src, bufsize_t size) { + static const uint8_t hex_chars[] = "0123456789ABCDEF"; + bufsize_t i = 0, org; + uint8_t hex_str[3]; + + hex_str[0] = '%'; + + while (i < size) { + org = i; + while (i < size && HREF_SAFE[src[i]] != 0) + i++; + + if (likely(i > org)) + cmark_strbuf_put(ob, src + org, i - org); + + /* escaping */ + if (i >= size) + break; + + switch (src[i]) { + /* amp appears all the time in URLs, but needs + * HTML-entity escaping to be inside an href */ + case '&': + cmark_strbuf_puts(ob, "&"); + break; + + /* the single quote is a valid URL character + * according to the standard; it needs HTML + * entity escaping too */ + case '\'': + cmark_strbuf_puts(ob, "'"); + break; + +/* the space can be escaped to %20 or a plus + * sign. we're going with the generic escape + * for now. the plus thing is more commonly seen + * when building GET strings */ +#if 0 + case ' ': + cmark_strbuf_putc(ob, '+'); + break; +#endif + + /* every other character goes with a %XX escaping */ + default: + hex_str[1] = hex_chars[(src[i] >> 4) & 0xF]; + hex_str[2] = hex_chars[src[i] & 0xF]; + cmark_strbuf_put(ob, hex_str, 3); + } + + i++; + } + + return 1; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_e.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_e.c new file mode 100644 index 0000000000..bda1efcd2b --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_e.c @@ -0,0 +1,76 @@ +#include +#include +#include + +#include "houdini.h" + +#if !defined(__has_builtin) +# define __has_builtin(b) 0 +#endif + +#if !__has_builtin(__builtin_expect) +# define __builtin_expect(e, v) (e) +#endif + +#define unlikely(e) __builtin_expect((e), 0) + +/** + * According to the OWASP rules: + * + * & --> & + * < --> < + * > --> > + * " --> " + * ' --> ' ' is not recommended + * / --> / forward slash is included as it helps end an HTML entity + * + */ +static const char HTML_ESCAPE_TABLE[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 3, 0, 0, 0, 0, 0, 0, 0, 4, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; + +static const char *HTML_ESCAPES[] = {"", """, "&", "'", + "/", "<", ">"}; + +int houdini_escape_html0(cmark_strbuf *ob, const uint8_t *src, bufsize_t size, + int secure) { + bufsize_t i = 0, org, esc = 0; + + while (i < size) { + org = i; + while (i < size && (esc = HTML_ESCAPE_TABLE[src[i]]) == 0) + i++; + + if (i > org) + cmark_strbuf_put(ob, src + org, i - org); + + /* escaping */ + if (unlikely(i >= size)) + break; + + /* The forward slash and single quote are only escaped in secure mode */ + if ((src[i] == '/' || src[i] == '\'') && !secure) { + cmark_strbuf_putc(ob, src[i]); + } else { + cmark_strbuf_puts(ob, HTML_ESCAPES[esc]); + } + + i++; + } + + return 1; +} + +int houdini_escape_html(cmark_strbuf *ob, const uint8_t *src, bufsize_t size) { + return houdini_escape_html0(ob, src, size, 1); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_u.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_u.c new file mode 100644 index 0000000000..0657493ced --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/houdini_html_u.c @@ -0,0 +1,160 @@ +#include +#include +#include + +#include "buffer.h" +#include "houdini.h" +#include "utf8.h" +#include "entities.inc" + +#if !defined(__has_builtin) +# define __has_builtin(b) 0 +#endif + +#if !__has_builtin(__builtin_expect) +# define __builtin_expect(e, v) (e) +#endif + +#define likely(e) __builtin_expect((e), 1) +#define unlikely(e) __builtin_expect((e), 0) + +/* Binary tree lookup code for entities added by JGM */ + +static const unsigned char *S_lookup(int i, int low, int hi, + const unsigned char *s, int len) { + int j; + int cmp = + strncmp((const char *)s, (const char *)cmark_entities[i].entity, len); + if (cmp == 0 && cmark_entities[i].entity[len] == 0) { + return (const unsigned char *)cmark_entities[i].bytes; + } else if (cmp <= 0 && i > low) { + j = i - ((i - low) / 2); + if (j == i) + j -= 1; + return S_lookup(j, low, i - 1, s, len); + } else if (cmp > 0 && i < hi) { + j = i + ((hi - i) / 2); + if (j == i) + j += 1; + return S_lookup(j, i + 1, hi, s, len); + } else { + return NULL; + } +} + +static const unsigned char *S_lookup_entity(const unsigned char *s, int len) { + return S_lookup(CMARK_NUM_ENTITIES / 2, 0, CMARK_NUM_ENTITIES - 1, s, len); +} + +bufsize_t houdini_unescape_ent(cmark_strbuf *ob, const uint8_t *src, + bufsize_t size) { + bufsize_t i = 0; + + if (size >= 3 && src[0] == '#') { + int codepoint = 0; + int num_digits = 0; + + if (_isdigit(src[1])) { + for (i = 1; i < size && _isdigit(src[i]); ++i) { + codepoint = (codepoint * 10) + (src[i] - '0'); + + if (codepoint >= 0x110000) { + // Keep counting digits but + // avoid integer overflow. + codepoint = 0x110000; + } + } + + num_digits = i - 1; + } + + else if (src[1] == 'x' || src[1] == 'X') { + for (i = 2; i < size && _isxdigit(src[i]); ++i) { + codepoint = (codepoint * 16) + ((src[i] | 32) % 39 - 9); + + if (codepoint >= 0x110000) { + // Keep counting digits but + // avoid integer overflow. + codepoint = 0x110000; + } + } + + num_digits = i - 2; + } + + if (num_digits >= 1 && num_digits <= 8 && i < size && src[i] == ';') { + if (codepoint == 0 || (codepoint >= 0xD800 && codepoint < 0xE000) || + codepoint >= 0x110000) { + codepoint = 0xFFFD; + } + cmark_utf8proc_encode_char(codepoint, ob); + return i + 1; + } + } + + else { + if (size > CMARK_ENTITY_MAX_LENGTH) + size = CMARK_ENTITY_MAX_LENGTH; + + for (i = CMARK_ENTITY_MIN_LENGTH; i < size; ++i) { + if (src[i] == ' ') + break; + + if (src[i] == ';') { + const unsigned char *entity = S_lookup_entity(src, i); + + if (entity != NULL) { + cmark_strbuf_puts(ob, (const char *)entity); + return i + 1; + } + + break; + } + } + } + + return 0; +} + +int houdini_unescape_html(cmark_strbuf *ob, const uint8_t *src, + bufsize_t size) { + bufsize_t i = 0, org, ent; + + while (i < size) { + org = i; + while (i < size && src[i] != '&') + i++; + + if (likely(i > org)) { + if (unlikely(org == 0)) { + if (i >= size) + return 0; + + cmark_strbuf_grow(ob, HOUDINI_UNESCAPED_SIZE(size)); + } + + cmark_strbuf_put(ob, src + org, i - org); + } + + /* escaping */ + if (i >= size) + break; + + i++; + + ent = houdini_unescape_ent(ob, src + i, size - i); + i += ent; + + /* not really an entity */ + if (ent == 0) + cmark_strbuf_putc(ob, '&'); + } + + return 1; +} + +void houdini_unescape_html_f(cmark_strbuf *ob, const uint8_t *src, + bufsize_t size) { + if (!houdini_unescape_html(ob, src, size)) + cmark_strbuf_put(ob, src, size); +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/html.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/html.c new file mode 100644 index 0000000000..4d5624ae7e --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/html.c @@ -0,0 +1,516 @@ +#include +#include +#include +#include +#include + +#include "cmark_ctype.h" +#include "cmark-gfm.h" +#include "houdini.h" +#include "scanners.h" +#include "syntax_extension.h" +#include "html.h" +#include "render.h" + +// Functions to convert cmark_nodes to HTML strings. + +static void escape_html(cmark_strbuf *dest, const unsigned char *source, + bufsize_t length) { + houdini_escape_html0(dest, source, length, 0); +} + +static void filter_html_block(cmark_html_renderer *renderer, uint8_t *data, size_t len) { + cmark_strbuf *html = renderer->html; + cmark_llist *it; + cmark_syntax_extension *ext; + bool filtered; + uint8_t *match; + + while (len) { + match = (uint8_t *) memchr(data, '<', len); + if (!match) + break; + + if (match != data) { + cmark_strbuf_put(html, data, (bufsize_t)(match - data)); + len -= (match - data); + data = match; + } + + filtered = false; + for (it = renderer->filter_extensions; it; it = it->next) { + ext = ((cmark_syntax_extension *) it->data); + if (!ext->html_filter_func(ext, data, len)) { + filtered = true; + break; + } + } + + if (!filtered) { + cmark_strbuf_putc(html, '<'); + } else { + cmark_strbuf_puts(html, "<"); + } + + ++data; + --len; + } + + if (len) + cmark_strbuf_put(html, data, (bufsize_t)len); +} + +static bool S_put_footnote_backref(cmark_html_renderer *renderer, cmark_strbuf *html, cmark_node *node) { + if (renderer->written_footnote_ix >= renderer->footnote_ix) + return false; + renderer->written_footnote_ix = renderer->footnote_ix; + char m[32]; + snprintf(m, sizeof(m), "%d", renderer->written_footnote_ix); + + cmark_strbuf_puts(html, "as.literal.data, node->as.literal.len); + cmark_strbuf_puts(html, "\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\""); + cmark_strbuf_puts(html, m); + cmark_strbuf_puts(html, "\" aria-label=\"Back to reference "); + cmark_strbuf_puts(html, m); + cmark_strbuf_puts(html, "\">↩"); + + if (node->footnote.def_count > 1) + { + for(int i = 2; i <= node->footnote.def_count; i++) { + char n[32]; + snprintf(n, sizeof(n), "%d", i); + + cmark_strbuf_puts(html, " as.literal.data, node->as.literal.len); + cmark_strbuf_puts(html, "-"); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, "\" class=\"footnote-backref\" data-footnote-backref data-footnote-backref-idx=\""); + cmark_strbuf_puts(html, m); + cmark_strbuf_puts(html, "-"); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, "\" aria-label=\"Back to reference "); + cmark_strbuf_puts(html, m); + cmark_strbuf_puts(html, "-"); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, "\">↩"); + cmark_strbuf_puts(html, n); + cmark_strbuf_puts(html, ""); + } + } + + return true; +} + +static int S_render_node(cmark_html_renderer *renderer, cmark_node *node, + cmark_event_type ev_type, int options) { + cmark_node *parent; + cmark_node *grandparent; + cmark_strbuf *html = renderer->html; + cmark_llist *it; + cmark_syntax_extension *ext; + char start_heading[] = "plain == node) { // back at original node + renderer->plain = NULL; + } + + if (renderer->plain != NULL) { + switch (node->type) { + case CMARK_NODE_TEXT: + case CMARK_NODE_CODE: + case CMARK_NODE_HTML_INLINE: + escape_html(html, node->as.literal.data, node->as.literal.len); + break; + + case CMARK_NODE_LINEBREAK: + case CMARK_NODE_SOFTBREAK: + cmark_strbuf_putc(html, ' '); + break; + + default: + break; + } + return 1; + } + + if (node->extension && node->extension->html_render_func) { + node->extension->html_render_func(node->extension, renderer, node, ev_type, options); + return 1; + } + + switch (node->type) { + case CMARK_NODE_DOCUMENT: + break; + + case CMARK_NODE_BLOCK_QUOTE: + if (entering) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "\n"); + } else { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "\n"); + } + break; + + case CMARK_NODE_LIST: { + cmark_list_type list_type = node->as.list.list_type; + int start = node->as.list.start; + + if (entering) { + cmark_html_render_cr(html); + if (list_type == CMARK_BULLET_LIST) { + cmark_strbuf_puts(html, "\n"); + } else if (start == 1) { + cmark_strbuf_puts(html, "\n"); + } else { + snprintf(buffer, BUFFER_SIZE, "
    \n"); + } + } else { + cmark_strbuf_puts(html, + list_type == CMARK_BULLET_LIST ? "\n" : "
\n"); + } + break; + } + + case CMARK_NODE_ITEM: + if (entering) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "'); + } else { + cmark_strbuf_puts(html, "\n"); + } + break; + + case CMARK_NODE_HEADING: + if (entering) { + cmark_html_render_cr(html); + start_heading[2] = (char)('0' + node->as.heading.level); + cmark_strbuf_puts(html, start_heading); + cmark_html_render_sourcepos(node, html, options); + cmark_strbuf_putc(html, '>'); + } else { + end_heading[3] = (char)('0' + node->as.heading.level); + cmark_strbuf_puts(html, end_heading); + cmark_strbuf_puts(html, ">\n"); + } + break; + + case CMARK_NODE_CODE_BLOCK: + cmark_html_render_cr(html); + + if (node->as.code.info.len == 0) { + cmark_strbuf_puts(html, ""); + } else { + bufsize_t first_tag = 0; + while (first_tag < node->as.code.info.len && + !cmark_isspace(node->as.code.info.data[first_tag])) { + first_tag += 1; + } + + if (options & CMARK_OPT_GITHUB_PRE_LANG) { + cmark_strbuf_puts(html, "as.code.info.data, first_tag); + if (first_tag < node->as.code.info.len && (options & CMARK_OPT_FULL_INFO_STRING)) { + cmark_strbuf_puts(html, "\" data-meta=\""); + escape_html(html, node->as.code.info.data + first_tag + 1, node->as.code.info.len - first_tag - 1); + } + cmark_strbuf_puts(html, "\">"); + } else { + cmark_strbuf_puts(html, "as.code.info.data, first_tag); + if (first_tag < node->as.code.info.len && (options & CMARK_OPT_FULL_INFO_STRING)) { + cmark_strbuf_puts(html, "\" data-meta=\""); + escape_html(html, node->as.code.info.data + first_tag + 1, node->as.code.info.len - first_tag - 1); + } + cmark_strbuf_puts(html, "\">"); + } + } + + escape_html(html, node->as.code.literal.data, node->as.code.literal.len); + cmark_strbuf_puts(html, "\n"); + break; + + case CMARK_NODE_HTML_BLOCK: + cmark_html_render_cr(html); + if (!(options & CMARK_OPT_UNSAFE)) { + cmark_strbuf_puts(html, ""); + } else if (renderer->filter_extensions) { + filter_html_block(renderer, node->as.literal.data, node->as.literal.len); + } else { + cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len); + } + cmark_html_render_cr(html); + break; + + case CMARK_NODE_CUSTOM_BLOCK: + cmark_html_render_cr(html); + if (entering) { + cmark_strbuf_put(html, node->as.custom.on_enter.data, + node->as.custom.on_enter.len); + } else { + cmark_strbuf_put(html, node->as.custom.on_exit.data, + node->as.custom.on_exit.len); + } + cmark_html_render_cr(html); + break; + + case CMARK_NODE_THEMATIC_BREAK: + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "\n"); + break; + + case CMARK_NODE_PARAGRAPH: + parent = cmark_node_parent(node); + grandparent = cmark_node_parent(parent); + if (grandparent != NULL && grandparent->type == CMARK_NODE_LIST) { + tight = grandparent->as.list.tight; + } else { + tight = false; + } + if (!tight) { + if (entering) { + cmark_html_render_cr(html); + cmark_strbuf_puts(html, "'); + } else { + if (parent->type == CMARK_NODE_FOOTNOTE_DEFINITION && node->next == NULL) { + cmark_strbuf_putc(html, ' '); + S_put_footnote_backref(renderer, html, parent); + } + cmark_strbuf_puts(html, "

\n"); + } + } + break; + + case CMARK_NODE_TEXT: + escape_html(html, node->as.literal.data, node->as.literal.len); + break; + + case CMARK_NODE_LINEBREAK: + cmark_strbuf_puts(html, "
\n"); + break; + + case CMARK_NODE_SOFTBREAK: + if (options & CMARK_OPT_HARDBREAKS) { + cmark_strbuf_puts(html, "
\n"); + } else if (options & CMARK_OPT_NOBREAKS) { + cmark_strbuf_putc(html, ' '); + } else { + cmark_strbuf_putc(html, '\n'); + } + break; + + case CMARK_NODE_CODE: + cmark_strbuf_puts(html, ""); + escape_html(html, node->as.literal.data, node->as.literal.len); + cmark_strbuf_puts(html, ""); + break; + + case CMARK_NODE_HTML_INLINE: + if (!(options & CMARK_OPT_UNSAFE)) { + cmark_strbuf_puts(html, ""); + } else { + filtered = false; + for (it = renderer->filter_extensions; it; it = it->next) { + ext = (cmark_syntax_extension *) it->data; + if (!ext->html_filter_func(ext, node->as.literal.data, node->as.literal.len)) { + filtered = true; + break; + } + } + if (!filtered) { + cmark_strbuf_put(html, node->as.literal.data, node->as.literal.len); + } else { + cmark_strbuf_puts(html, "<"); + cmark_strbuf_put(html, node->as.literal.data + 1, node->as.literal.len - 1); + } + } + break; + + case CMARK_NODE_CUSTOM_INLINE: + if (entering) { + cmark_strbuf_put(html, node->as.custom.on_enter.data, + node->as.custom.on_enter.len); + } else { + cmark_strbuf_put(html, node->as.custom.on_exit.data, + node->as.custom.on_exit.len); + } + break; + + case CMARK_NODE_STRONG: + if (node->parent == NULL || node->parent->type != CMARK_NODE_STRONG) { + if (entering) { + cmark_strbuf_puts(html, ""); + } else { + cmark_strbuf_puts(html, ""); + } + } + break; + + case CMARK_NODE_EMPH: + if (entering) { + cmark_strbuf_puts(html, ""); + } else { + cmark_strbuf_puts(html, ""); + } + break; + + case CMARK_NODE_LINK: + if (entering) { + cmark_strbuf_puts(html, "as.link.url, 0))) { + houdini_escape_href(html, node->as.link.url.data, + node->as.link.url.len); + } + if (node->as.link.title.len) { + cmark_strbuf_puts(html, "\" title=\""); + escape_html(html, node->as.link.title.data, node->as.link.title.len); + } + cmark_strbuf_puts(html, "\">"); + } else { + cmark_strbuf_puts(html, ""); + } + break; + + case CMARK_NODE_IMAGE: + if (entering) { + cmark_strbuf_puts(html, "as.link.url, 0))) { + houdini_escape_href(html, node->as.link.url.data, + node->as.link.url.len); + } + cmark_strbuf_puts(html, "\" alt=\""); + renderer->plain = node; + } else { + if (node->as.link.title.len) { + cmark_strbuf_puts(html, "\" title=\""); + escape_html(html, node->as.link.title.data, node->as.link.title.len); + } + + cmark_strbuf_puts(html, "\" />"); + } + break; + + case CMARK_NODE_ATTRIBUTE: + // TODO: Output span, attributes potentially controlling class/id here. For now just output the main string. + /* + if (entering) { + cmark_strbuf_puts(html, "as.attribute.attributes.data, node->as.attribute.attributes.len); + cmark_strbuf_puts(html, "\">"); + } else { + cmark_strbuf_puts(html, ""); + } + */ + break; + + case CMARK_NODE_FOOTNOTE_DEFINITION: + if (entering) { + if (renderer->footnote_ix == 0) { + cmark_strbuf_puts(html, "
\n
    \n"); + } + ++renderer->footnote_ix; + + cmark_strbuf_puts(html, "
  1. as.literal.data, node->as.literal.len); + cmark_strbuf_puts(html, "\">\n"); + } else { + if (S_put_footnote_backref(renderer, html, node)) { + cmark_strbuf_putc(html, '\n'); + } + cmark_strbuf_puts(html, "
    2. \n"); + } + break; + + case CMARK_NODE_FOOTNOTE_REFERENCE: + if (entering) { + cmark_strbuf_puts(html, "parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len); + cmark_strbuf_puts(html, "\" id=\"fnref-"); + houdini_escape_href(html, node->parent_footnote_def->as.literal.data, node->parent_footnote_def->as.literal.len); + + if (node->footnote.ref_ix > 1) { + char n[32]; + snprintf(n, sizeof(n), "%d", node->footnote.ref_ix); + cmark_strbuf_puts(html, "-"); + cmark_strbuf_puts(html, n); + } + + cmark_strbuf_puts(html, "\" data-footnote-ref>"); + houdini_escape_href(html, node->as.literal.data, node->as.literal.len); + cmark_strbuf_puts(html, ""); + } + break; + + default: + assert(false); + break; + } + + return 1; +} + +char *cmark_render_html(cmark_node *root, int options, cmark_llist *extensions) { + return cmark_render_html_with_mem(root, options, extensions, cmark_node_mem(root)); +} + +char *cmark_render_html_with_mem(cmark_node *root, int options, cmark_llist *extensions, cmark_mem *mem) { + char *result; + cmark_strbuf html = CMARK_BUF_INIT(mem); + cmark_event_type ev_type; + cmark_node *cur; + cmark_html_renderer renderer = {&html, NULL, NULL, 0, 0, NULL}; + cmark_iter *iter = cmark_iter_new(root); + + for (; extensions; extensions = extensions->next) + if (((cmark_syntax_extension *) extensions->data)->html_filter_func) + renderer.filter_extensions = cmark_llist_append( + mem, + renderer.filter_extensions, + (cmark_syntax_extension *) extensions->data); + + while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + cur = cmark_iter_get_node(iter); + S_render_node(&renderer, cur, ev_type, options); + } + + if (renderer.footnote_ix) { + cmark_strbuf_puts(&html, "
\n
\n"); + } + + result = (char *)cmark_strbuf_detach(&html); + + cmark_llist_free(mem, renderer.filter_extensions); + + cmark_iter_free(iter); + return result; +} diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/buffer.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/buffer.h new file mode 100644 index 0000000000..56a28feb5f --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/buffer.h @@ -0,0 +1,115 @@ +#ifndef CMARK_BUFFER_H +#define CMARK_BUFFER_H + +#include +#include +#include +#include +#include +#include "cmark-gfm.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + cmark_mem *mem; + unsigned char *ptr; + bufsize_t asize, size; +} cmark_strbuf; + +extern unsigned char cmark_strbuf__initbuf[]; + +#define CMARK_BUF_INIT(mem) \ + { mem, cmark_strbuf__initbuf, 0, 0 } + +/** + * Initialize a cmark_strbuf structure. + * + * For the cases where CMARK_BUF_INIT cannot be used to do static + * initialization. + */ +CMARK_GFM_EXPORT +void cmark_strbuf_init(cmark_mem *mem, cmark_strbuf *buf, + bufsize_t initial_size); + +/** + * Grow the buffer to hold at least `target_size` bytes. + */ +CMARK_GFM_EXPORT +void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size); + +CMARK_GFM_EXPORT +void cmark_strbuf_free(cmark_strbuf *buf); + +CMARK_GFM_EXPORT +void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b); + +CMARK_GFM_EXPORT +bufsize_t cmark_strbuf_len(const cmark_strbuf *buf); + +CMARK_GFM_EXPORT +int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b); + +CMARK_GFM_EXPORT +unsigned char *cmark_strbuf_detach(cmark_strbuf *buf); + +CMARK_GFM_EXPORT +void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize, + const cmark_strbuf *buf); + +static inline const char *cmark_strbuf_cstr(const cmark_strbuf *buf) { + return (char *)buf->ptr; +} + +#define cmark_strbuf_at(buf, n) ((buf)->ptr[n]) + +CMARK_GFM_EXPORT +void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len); + +CMARK_GFM_EXPORT +void cmark_strbuf_sets(cmark_strbuf *buf, const char *string); + +CMARK_GFM_EXPORT +void cmark_strbuf_putc(cmark_strbuf *buf, int c); + +CMARK_GFM_EXPORT +void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data, + bufsize_t len); + +CMARK_GFM_EXPORT +void cmark_strbuf_puts(cmark_strbuf *buf, const char *string); + +CMARK_GFM_EXPORT +void cmark_strbuf_clear(cmark_strbuf *buf); + +CMARK_GFM_EXPORT +bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos); + +CMARK_GFM_EXPORT +bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos); + +CMARK_GFM_EXPORT +void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n); + +CMARK_GFM_EXPORT +void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len); + +CMARK_GFM_EXPORT +void cmark_strbuf_rtrim(cmark_strbuf *buf); + +CMARK_GFM_EXPORT +void cmark_strbuf_trim(cmark_strbuf *buf); + +CMARK_GFM_EXPORT +void cmark_strbuf_normalize_whitespace(cmark_strbuf *s); + +CMARK_GFM_EXPORT +void cmark_strbuf_unescape(cmark_strbuf *s); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/chunk.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/chunk.h new file mode 100644 index 0000000000..bc93a8753a --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/chunk.h @@ -0,0 +1,134 @@ +#ifndef CMARK_CHUNK_H +#define CMARK_CHUNK_H + +#include +#include +#include +#include "cmark-gfm.h" +#include "buffer.h" +#include "cmark_ctype.h" + +#define CMARK_CHUNK_EMPTY \ + { NULL, 0, 0 } + +typedef struct cmark_chunk { + unsigned char *data; + bufsize_t len; + bufsize_t alloc; // also implies a NULL-terminated string +} cmark_chunk; + +static inline void cmark_chunk_free(cmark_mem *mem, cmark_chunk *c) { + if (c->alloc) + mem->free(c->data); + + c->data = NULL; + c->alloc = 0; + c->len = 0; +} + +static inline void cmark_chunk_ltrim(cmark_chunk *c) { + assert(!c->alloc); + + while (c->len && cmark_isspace(c->data[0])) { + c->data++; + c->len--; + } +} + +static inline void cmark_chunk_rtrim(cmark_chunk *c) { + assert(!c->alloc); + + while (c->len > 0) { + if (!cmark_isspace(c->data[c->len - 1])) + break; + + c->len--; + } +} + +static inline void cmark_chunk_trim(cmark_chunk *c) { + cmark_chunk_ltrim(c); + cmark_chunk_rtrim(c); +} + +static inline bufsize_t cmark_chunk_strchr(cmark_chunk *ch, int c, + bufsize_t offset) { + const unsigned char *p = + (unsigned char *)memchr(ch->data + offset, c, ch->len - offset); + return p ? (bufsize_t)(p - ch->data) : ch->len; +} + +static inline const char *cmark_chunk_to_cstr(cmark_mem *mem, cmark_chunk *c) { + unsigned char *str; + + if (c->alloc) { + return (char *)c->data; + } + str = (unsigned char *)mem->calloc(c->len + 1, 1); + if (c->len > 0) { + memcpy(str, c->data, c->len); + } + str[c->len] = 0; + c->data = str; + c->alloc = 1; + + return (char *)str; +} + +static inline void cmark_chunk_set_cstr(cmark_mem *mem, cmark_chunk *c, + const char *str) { + unsigned char *old = c->alloc ? c->data : NULL; + if (str == NULL) { + c->len = 0; + c->data = NULL; + c->alloc = 0; + } else { + c->len = (bufsize_t)strlen(str); + c->data = (unsigned char *)mem->calloc(c->len + 1, 1); + c->alloc = 1; + memcpy(c->data, str, c->len + 1); + } + if (old != NULL) { + mem->free(old); + } +} + +static inline cmark_chunk cmark_chunk_literal(const char *data) { + bufsize_t len = data ? (bufsize_t)strlen(data) : 0; + cmark_chunk c = {(unsigned char *)data, len, 0}; + return c; +} + +static inline cmark_chunk cmark_chunk_dup(const cmark_chunk *ch, bufsize_t pos, + bufsize_t len) { + cmark_chunk c = {ch->data + pos, len, 0}; + return c; +} + +static inline cmark_chunk cmark_chunk_buf_detach(cmark_strbuf *buf) { + cmark_chunk c; + + c.len = buf->size; + c.data = cmark_strbuf_detach(buf); + c.alloc = 1; + + return c; +} + +/* trim_new variants are to be used when the source chunk may or may not be + * allocated; forces a newly allocated chunk. */ +static inline cmark_chunk cmark_chunk_ltrim_new(cmark_mem *mem, cmark_chunk *c) { + cmark_chunk r = cmark_chunk_dup(c, 0, c->len); + cmark_chunk_ltrim(&r); + cmark_chunk_to_cstr(mem, &r); + return r; +} + +static inline cmark_chunk cmark_chunk_rtrim_new(cmark_mem *mem, cmark_chunk *c) { + cmark_chunk r = cmark_chunk_dup(c, 0, c->len); + cmark_chunk_rtrim(&r); + cmark_chunk_to_cstr(mem, &r); + return r; +} + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm-extension_api.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm-extension_api.h new file mode 100644 index 0000000000..d12c50a2bd --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm-extension_api.h @@ -0,0 +1,739 @@ +#ifndef CMARK_GFM_EXTENSION_API_H +#define CMARK_GFM_EXTENSION_API_H + +#include "cmark-gfm.h" + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +struct cmark_renderer; +struct cmark_html_renderer; +struct cmark_chunk; + +/** + * ## Extension Support + * + * While the "core" of libcmark is strictly compliant with the + * specification, an API is provided for extension writers to + * hook into the parsing process. + * + * It should be noted that the cmark_node API already offers + * room for customization, with methods offered to traverse and + * modify the AST, and even define custom blocks. + * When the desired customization is achievable in an error-proof + * way using that API, it should be the preferred method. + * + * The following API requires a more in-depth understanding + * of libcmark's parsing strategy, which is exposed + * [here](http://spec.commonmark.org/0.24/#appendix-a-parsing-strategy). + * + * It should be used when "a posteriori" modification of the AST + * proves to be too difficult / impossible to implement correctly. + * + * It can also serve as an intermediary step before extending + * the specification, as an extension implemented using this API + * will be trivially integrated in the core if it proves to be + * desirable. + */ + +typedef struct cmark_plugin cmark_plugin; + +/** A syntax extension that can be attached to a cmark_parser + * with cmark_parser_attach_syntax_extension(). + * + * Extension writers should assign functions matching + * the signature of the following 'virtual methods' to + * implement new functionality. + * + * Their calling order and expected behaviour match the procedure outlined + * at : + * + * During step 1, cmark will call the function provided through + * 'cmark_syntax_extension_set_match_block_func' when it + * iterates over an open block created by this extension, + * to determine whether it could contain the new line. + * If no function was provided, cmark will close the block. + * + * During step 2, if and only if the new line doesn't match any + * of the standard syntax rules, cmark will call the function + * provided through 'cmark_syntax_extension_set_open_block_func' + * to let the extension determine whether that new line matches + * one of its syntax rules. + * It is the responsibility of the parser to create and add the + * new block with cmark_parser_make_block and cmark_parser_add_child. + * If no function was provided is NULL, the extension will have + * no effect at all on the final block structure of the AST. + * + * #### Inline parsing phase hooks + * + * For each character provided by the extension through + * 'cmark_syntax_extension_set_special_inline_chars', + * the function provided by the extension through + * 'cmark_syntax_extension_set_match_inline_func' + * will get called, it is the responsibility of the extension + * to scan the characters located at the current inline parsing offset + * with the cmark_inline_parser API. + * + * Depending on the type of the extension, it can either: + * + * * Scan forward, determine that the syntax matches and return + * a newly-created inline node with the appropriate type. + * This is the technique that would be used if inline code + * (with backticks) was implemented as an extension. + * * Scan only the character(s) that its syntax rules require + * for opening and closing nodes, push a delimiter on the + * delimiter stack, and return a simple text node with its + * contents set to the character(s) consumed. + * This is the technique that would be used if emphasis + * inlines were implemented as an extension. + * + * When an extension has pushed delimiters on the stack, + * the function provided through + * 'cmark_syntax_extension_set_inline_from_delim_func' + * will get called in a latter phase, + * when the inline parser has matched opener and closer delimiters + * created by the extension together. + * + * It is then the responsibility of the extension to modify + * and populate the opener inline text node, and to remove + * the necessary delimiters from the delimiter stack. + * + * Finally, the extension should return NULL if its scan didn't + * match its syntax rules. + * + * The extension can store whatever private data it might need + * with 'cmark_syntax_extension_set_private', + * and optionally define a free function for this data. + */ +typedef struct subject cmark_inline_parser; + +/** Exposed raw for now */ + +typedef struct delimiter { + struct delimiter *previous; + struct delimiter *next; + cmark_node *inl_text; + bufsize_t position; + bufsize_t length; + unsigned char delim_char; + int can_open; + int can_close; +} delimiter; + +/** + * ### Plugin API. + * + * Extensions should be distributed as dynamic libraries, + * with a single exported function named after the distributed + * filename. + * + * When discovering extensions (see cmark_init), cmark will + * try to load a symbol named "init_{{filename}}" in all the + * dynamic libraries it encounters. + * + * For example, given a dynamic library named myextension.so + * (or myextension.dll), cmark will try to load the symbol + * named "init_myextension". This means that the filename + * must lend itself to forming a valid C identifier, with + * the notable exception of dashes, which will be translated + * to underscores, which means cmark will look for a function + * named "init_my_extension" if it encounters a dynamic library + * named "my-extension.so". + * + * See the 'cmark_plugin_init_func' typedef for the exact prototype + * this function should follow. + * + * For now the extensibility of cmark is not complete, as + * it only offers API to hook into the block parsing phase + * (). + * + * See 'cmark_plugin_register_syntax_extension' for more information. + */ + +/** The prototype plugins' init function should follow. + */ +typedef int (*cmark_plugin_init_func)(cmark_plugin *plugin); + +/** Register a syntax 'extension' with the 'plugin', it will be made + * available as an extension and, if attached to a cmark_parser + * with 'cmark_parser_attach_syntax_extension', it will contribute + * to the block parsing process. + * + * See the documentation for 'cmark_syntax_extension' for information + * on how to implement one. + * + * This function will typically be called from the init function + * of external modules. + * + * This takes ownership of 'extension', one should not call + * 'cmark_syntax_extension_free' on a registered extension. + */ +CMARK_GFM_EXPORT +int cmark_plugin_register_syntax_extension(cmark_plugin *plugin, + cmark_syntax_extension *extension); + +/** This will search for the syntax extension named 'name' among the + * registered syntax extensions. + * + * It can then be attached to a cmark_parser + * with the cmark_parser_attach_syntax_extension method. + */ +CMARK_GFM_EXPORT +cmark_syntax_extension *cmark_find_syntax_extension(const char *name); + +/** Should create and add a new open block to 'parent_container' if + * 'input' matches a syntax rule for that block type. It is allowed + * to modify the type of 'parent_container'. + * + * Should return the newly created block if there is one, or + * 'parent_container' if its type was modified, or NULL. + */ +typedef cmark_node * (*cmark_open_block_func) (cmark_syntax_extension *extension, + int indented, + cmark_parser *parser, + cmark_node *parent_container, + unsigned char *input, + int len); + +typedef cmark_node *(*cmark_match_inline_func)(cmark_syntax_extension *extension, + cmark_parser *parser, + cmark_node *parent, + unsigned char character, + cmark_inline_parser *inline_parser); + +typedef delimiter *(*cmark_inline_from_delim_func)(cmark_syntax_extension *extension, + cmark_parser *parser, + cmark_inline_parser *inline_parser, + delimiter *opener, + delimiter *closer); + +/** Should return 'true' if 'input' can be contained in 'container', + * 'false' otherwise. + */ +typedef int (*cmark_match_block_func) (cmark_syntax_extension *extension, + cmark_parser *parser, + unsigned char *input, + int len, + cmark_node *container); + +typedef const char *(*cmark_get_type_string_func) (cmark_syntax_extension *extension, + cmark_node *node); + +typedef int (*cmark_can_contain_func) (cmark_syntax_extension *extension, + cmark_node *node, + cmark_node_type child); + +typedef int (*cmark_contains_inlines_func) (cmark_syntax_extension *extension, + cmark_node *node); + +typedef void (*cmark_common_render_func) (cmark_syntax_extension *extension, + struct cmark_renderer *renderer, + cmark_node *node, + cmark_event_type ev_type, + int options); + +typedef int (*cmark_commonmark_escape_func) (cmark_syntax_extension *extension, + cmark_node *node, + int c); + +typedef const char* (*cmark_xml_attr_func) (cmark_syntax_extension *extension, + cmark_node *node); + +typedef void (*cmark_html_render_func) (cmark_syntax_extension *extension, + struct cmark_html_renderer *renderer, + cmark_node *node, + cmark_event_type ev_type, + int options); + +typedef int (*cmark_html_filter_func) (cmark_syntax_extension *extension, + const unsigned char *tag, + size_t tag_len); + +typedef cmark_node *(*cmark_postprocess_func) (cmark_syntax_extension *extension, + cmark_parser *parser, + cmark_node *root); + +typedef int (*cmark_ispunct_func) (char c); + +typedef void (*cmark_opaque_alloc_func) (cmark_syntax_extension *extension, + cmark_mem *mem, + cmark_node *node); + +typedef void (*cmark_opaque_free_func) (cmark_syntax_extension *extension, + cmark_mem *mem, + cmark_node *node); + +/** Free a cmark_syntax_extension. + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_free (cmark_mem *mem, cmark_syntax_extension *extension); + +/** Return a newly-constructed cmark_syntax_extension, named 'name'. + */ +CMARK_GFM_EXPORT +cmark_syntax_extension *cmark_syntax_extension_new (const char *name); + +CMARK_GFM_EXPORT +cmark_node_type cmark_syntax_extension_add_node(int is_inline); + +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_emphasis(cmark_syntax_extension *extension, int emphasis); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_open_block_func(cmark_syntax_extension *extension, + cmark_open_block_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_match_block_func(cmark_syntax_extension *extension, + cmark_match_block_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_match_inline_func(cmark_syntax_extension *extension, + cmark_match_inline_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_inline_from_delim_func(cmark_syntax_extension *extension, + cmark_inline_from_delim_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_special_inline_chars(cmark_syntax_extension *extension, + cmark_llist *special_chars); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_get_type_string_func(cmark_syntax_extension *extension, + cmark_get_type_string_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_can_contain_func(cmark_syntax_extension *extension, + cmark_can_contain_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_contains_inlines_func(cmark_syntax_extension *extension, + cmark_contains_inlines_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_commonmark_render_func(cmark_syntax_extension *extension, + cmark_common_render_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_plaintext_render_func(cmark_syntax_extension *extension, + cmark_common_render_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_latex_render_func(cmark_syntax_extension *extension, + cmark_common_render_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_xml_attr_func(cmark_syntax_extension *extension, + cmark_xml_attr_func func); + + /** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_man_render_func(cmark_syntax_extension *extension, + cmark_common_render_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_html_render_func(cmark_syntax_extension *extension, + cmark_html_render_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_html_filter_func(cmark_syntax_extension *extension, + cmark_html_filter_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_commonmark_escape_func(cmark_syntax_extension *extension, + cmark_commonmark_escape_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_private(cmark_syntax_extension *extension, + void *priv, + cmark_free_func free_func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void *cmark_syntax_extension_get_private(cmark_syntax_extension *extension); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_postprocess_func(cmark_syntax_extension *extension, + cmark_postprocess_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_opaque_alloc_func(cmark_syntax_extension *extension, + cmark_opaque_alloc_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_syntax_extension_set_opaque_free_func(cmark_syntax_extension *extension, + cmark_opaque_free_func func); + +/** See the documentation for 'cmark_syntax_extension' + */ +CMARK_GFM_EXPORT +void cmark_parser_set_backslash_ispunct_func(cmark_parser *parser, + cmark_ispunct_func func); + +/** Return the index of the line currently being parsed, starting with 1. + */ +CMARK_GFM_EXPORT +int cmark_parser_get_line_number(cmark_parser *parser); + +/** Return the offset in bytes in the line being processed. + * + * Example: + * + * ### foo + * + * Here, offset will first be 0, then 5 (the index of the 'f' character). + */ +CMARK_GFM_EXPORT +int cmark_parser_get_offset(cmark_parser *parser); + +/** + * Return the offset in 'columns' in the line being processed. + * + * This value may differ from the value returned by + * cmark_parser_get_offset() in that it accounts for tabs, + * and as such should not be used as an index in the current line's + * buffer. + * + * Example: + * + * cmark_parser_advance_offset() can be called to advance the + * offset by a number of columns, instead of a number of bytes. + * + * In that case, if offset falls "in the middle" of a tab + * character, 'column' and offset will differ. + * + * ``` + * foo \t bar + * ^ ^^ + * offset (0) 20 + * ``` + * + * If cmark_parser_advance_offset is called here with 'columns' + * set to 'true' and 'offset' set to 22, cmark_parser_get_offset() + * will return 20, whereas cmark_parser_get_column() will return + * 22. + * + * Additionally, as tabs expand to the next multiple of 4 column, + * cmark_parser_has_partially_consumed_tab() will now return + * 'true'. + */ +CMARK_GFM_EXPORT +int cmark_parser_get_column(cmark_parser *parser); + +/** Return the absolute index in bytes of the first nonspace + * character coming after the offset as returned by + * cmark_parser_get_offset() in the line currently being processed. + * + * Example: + * + * ``` + * foo bar baz \n + * ^ ^ ^ + * 0 offset (16) first_nonspace (28) + * ``` + */ +CMARK_GFM_EXPORT +int cmark_parser_get_first_nonspace(cmark_parser *parser); + +/** Return the absolute index of the first nonspace column coming after 'offset' + * in the line currently being processed, counting tabs as multiple + * columns as appropriate. + * + * See the documentation for cmark_parser_get_first_nonspace() and + * cmark_parser_get_column() for more information. + */ +CMARK_GFM_EXPORT +int cmark_parser_get_first_nonspace_column(cmark_parser *parser); + +/** Return the difference between the values returned by + * cmark_parser_get_first_nonspace_column() and + * cmark_parser_get_column(). + * + * This is not a byte offset, as it can count one tab as multiple + * characters. + */ +CMARK_GFM_EXPORT +int cmark_parser_get_indent(cmark_parser *parser); + +/** Return 'true' if the line currently being processed has been entirely + * consumed, 'false' otherwise. + * + * Example: + * + * ``` + * foo bar baz \n + * ^ + * offset + * ``` + * + * This function will return 'false' here. + * + * ``` + * foo bar baz \n + * ^ + * offset + * ``` + * This function will still return 'false'. + * + * ``` + * foo bar baz \n + * ^ + * offset + * ``` + * + * At this point, this function will now return 'true'. + */ +CMARK_GFM_EXPORT +int cmark_parser_is_blank(cmark_parser *parser); + +/** Return 'true' if the value returned by cmark_parser_get_offset() + * is 'inside' an expanded tab. + * + * See the documentation for cmark_parser_get_column() for more + * information. + */ +CMARK_GFM_EXPORT +int cmark_parser_has_partially_consumed_tab(cmark_parser *parser); + +/** Return the length in bytes of the previously processed line, excluding potential + * newline (\n) and carriage return (\r) trailing characters. + */ +CMARK_GFM_EXPORT +int cmark_parser_get_last_line_length(cmark_parser *parser); + +/** Add a child to 'parent' during the parsing process. + * + * If 'parent' isn't the kind of node that can accept this child, + * this function will back up till it hits a node that can, closing + * blocks as appropriate. + */ +CMARK_GFM_EXPORT +cmark_node*cmark_parser_add_child(cmark_parser *parser, + cmark_node *parent, + cmark_node_type block_type, + int start_column); + +/** Advance the 'offset' of the parser in the current line. + * + * See the documentation of cmark_parser_get_offset() and + * cmark_parser_get_column() for more information. + */ +CMARK_GFM_EXPORT +void cmark_parser_advance_offset(cmark_parser *parser, + const char *input, + int count, + int columns); + + +CMARK_GFM_EXPORT +void cmark_parser_feed_reentrant(cmark_parser *parser, const char *buffer, size_t len); + +/** Attach the syntax 'extension' to the 'parser', to provide extra syntax + * rules. + * See the documentation for cmark_syntax_extension for more information. + * + * Returns 'true' if the 'extension' was successfully attached, + * 'false' otherwise. + */ +CMARK_GFM_EXPORT +int cmark_parser_attach_syntax_extension(cmark_parser *parser, cmark_syntax_extension *extension); + +/** Change the type of 'node'. + * + * Return 0 if the type could be changed, 1 otherwise. + */ +CMARK_GFM_EXPORT int cmark_node_set_type(cmark_node *node, cmark_node_type type); + +/** Return the string content for all types of 'node'. + * The pointer stays valid as long as 'node' isn't freed. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_string_content(cmark_node *node); + +/** Set the string 'content' for all types of 'node'. + * Copies 'content'. + */ +CMARK_GFM_EXPORT int cmark_node_set_string_content(cmark_node *node, const char *content); + +/** Get the syntax extension responsible for the creation of 'node'. + * Return NULL if 'node' was created because it matched standard syntax rules. + */ +CMARK_GFM_EXPORT cmark_syntax_extension *cmark_node_get_syntax_extension(cmark_node *node); + +/** Set the syntax extension responsible for creating 'node'. + */ +CMARK_GFM_EXPORT int cmark_node_set_syntax_extension(cmark_node *node, + cmark_syntax_extension *extension); + +/** + * ## Inline syntax extension helpers + * + * The inline parsing process is described in detail at + * + */ + +/** Should return 'true' if the predicate matches 'c', 'false' otherwise + */ +typedef int (*cmark_inline_predicate)(int c); + +/** Advance the current inline parsing offset */ +CMARK_GFM_EXPORT +void cmark_inline_parser_advance_offset(cmark_inline_parser *parser); + +/** Get the current inline parsing offset */ +CMARK_GFM_EXPORT +int cmark_inline_parser_get_offset(cmark_inline_parser *parser); + +/** Set the offset in bytes in the chunk being processed by the given inline parser. + */ +CMARK_GFM_EXPORT +void cmark_inline_parser_set_offset(cmark_inline_parser *parser, int offset); + +/** Gets the cmark_chunk being operated on by the given inline parser. + * Use cmark_inline_parser_get_offset to get our current position in the chunk. + */ +CMARK_GFM_EXPORT +struct cmark_chunk *cmark_inline_parser_get_chunk(cmark_inline_parser *parser); + +/** Returns 1 if the inline parser is currently in a bracket; pass 2 for attribute, + * 1 for 'image' if you want to know about an image-type bracket, 0 for link-type. */ +CMARK_GFM_EXPORT +int cmark_inline_parser_in_bracket(cmark_inline_parser *parser, int type); + +/** Remove the last n characters from the last child of the given node. + * This only works where all n characters are in the single last child, and the last + * child is CMARK_NODE_TEXT. + */ +CMARK_GFM_EXPORT +void cmark_node_unput(cmark_node *node, int n); + + +/** Get the character located at the current inline parsing offset + */ +CMARK_GFM_EXPORT +unsigned char cmark_inline_parser_peek_char(cmark_inline_parser *parser); + +/** Get the character located 'pos' bytes in the current line. + */ +CMARK_GFM_EXPORT +unsigned char cmark_inline_parser_peek_at(cmark_inline_parser *parser, int pos); + +/** Whether the inline parser has reached the end of the current line + */ +CMARK_GFM_EXPORT +int cmark_inline_parser_is_eof(cmark_inline_parser *parser); + +/** Get the characters located after the current inline parsing offset + * while 'pred' matches. Free after usage. + */ +CMARK_GFM_EXPORT +char *cmark_inline_parser_take_while(cmark_inline_parser *parser, cmark_inline_predicate pred); + +/** Push a delimiter on the delimiter stack. + * See < for + * more information on the parameters + */ +CMARK_GFM_EXPORT +void cmark_inline_parser_push_delimiter(cmark_inline_parser *parser, + unsigned char c, + int can_open, + int can_close, + cmark_node *inl_text); + +/** Remove 'delim' from the delimiter stack + */ +CMARK_GFM_EXPORT +void cmark_inline_parser_remove_delimiter(cmark_inline_parser *parser, delimiter *delim); + +CMARK_GFM_EXPORT +delimiter *cmark_inline_parser_get_last_delimiter(cmark_inline_parser *parser); + +CMARK_GFM_EXPORT +int cmark_inline_parser_get_line(cmark_inline_parser *parser); + +CMARK_GFM_EXPORT +int cmark_inline_parser_get_column(cmark_inline_parser *parser); + +/** Convenience function to scan a given delimiter. + * + * 'left_flanking' and 'right_flanking' will be set to true if they + * respectively precede and follow a non-space, non-punctuation + * character. + * + * Additionally, 'punct_before' and 'punct_after' will respectively be set + * if the preceding or following character is a punctuation character. + * + * Note that 'left_flanking' and 'right_flanking' can both be 'true'. + * + * Returns the number of delimiters encountered, in the limit + * of 'max_delims', and advances the inline parsing offset. + */ +CMARK_GFM_EXPORT +int cmark_inline_parser_scan_delimiters(cmark_inline_parser *parser, + int max_delims, + unsigned char c, + int *left_flanking, + int *right_flanking, + int *punct_before, + int *punct_after); + +CMARK_GFM_EXPORT +void cmark_manage_extensions_special_characters(cmark_parser *parser, int add); + +CMARK_GFM_EXPORT +cmark_llist *cmark_parser_get_syntax_extensions(cmark_parser *parser); + +CMARK_GFM_EXPORT +void cmark_arena_push(void); + +CMARK_GFM_EXPORT +int cmark_arena_pop(void); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm.h new file mode 100644 index 0000000000..43b8893c81 --- /dev/null +++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm.h @@ -0,0 +1,876 @@ +#ifndef CMARK_GFM_H +#define CMARK_GFM_H + +#include +#include +#include "export.h" +#include "cmark-gfm_version.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** # NAME + * + * **cmark-gfm** - CommonMark parsing, manipulating, and rendering + */ + +/** # DESCRIPTION + * + * ## Simple Interface + */ + +/** Convert 'text' (assumed to be a UTF-8 encoded string with length + * 'len') from CommonMark Markdown to HTML, returning a null-terminated, + * UTF-8-encoded string. It is the caller's responsibility + * to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_markdown_to_html(const char *text, size_t len, int options); + +/** ## Node Structure + */ + +#define CMARK_NODE_TYPE_PRESENT (0x8000) +#define CMARK_NODE_TYPE_BLOCK (CMARK_NODE_TYPE_PRESENT | 0x0000) +#define CMARK_NODE_TYPE_INLINE (CMARK_NODE_TYPE_PRESENT | 0x4000) +#define CMARK_NODE_TYPE_MASK (0xc000) +#define CMARK_NODE_VALUE_MASK (0x3fff) + +typedef enum { + /* Error status */ + CMARK_NODE_NONE = 0x0000, + + /* Block */ + CMARK_NODE_DOCUMENT = CMARK_NODE_TYPE_BLOCK | 0x0001, + CMARK_NODE_BLOCK_QUOTE = CMARK_NODE_TYPE_BLOCK | 0x0002, + CMARK_NODE_LIST = CMARK_NODE_TYPE_BLOCK | 0x0003, + CMARK_NODE_ITEM = CMARK_NODE_TYPE_BLOCK | 0x0004, + CMARK_NODE_CODE_BLOCK = CMARK_NODE_TYPE_BLOCK | 0x0005, + CMARK_NODE_HTML_BLOCK = CMARK_NODE_TYPE_BLOCK | 0x0006, + CMARK_NODE_CUSTOM_BLOCK = CMARK_NODE_TYPE_BLOCK | 0x0007, + CMARK_NODE_PARAGRAPH = CMARK_NODE_TYPE_BLOCK | 0x0008, + CMARK_NODE_HEADING = CMARK_NODE_TYPE_BLOCK | 0x0009, + CMARK_NODE_THEMATIC_BREAK = CMARK_NODE_TYPE_BLOCK | 0x000a, + CMARK_NODE_FOOTNOTE_DEFINITION = CMARK_NODE_TYPE_BLOCK | 0x000b, + + /* Inline */ + CMARK_NODE_TEXT = CMARK_NODE_TYPE_INLINE | 0x0001, + CMARK_NODE_SOFTBREAK = CMARK_NODE_TYPE_INLINE | 0x0002, + CMARK_NODE_LINEBREAK = CMARK_NODE_TYPE_INLINE | 0x0003, + CMARK_NODE_CODE = CMARK_NODE_TYPE_INLINE | 0x0004, + CMARK_NODE_HTML_INLINE = CMARK_NODE_TYPE_INLINE | 0x0005, + CMARK_NODE_CUSTOM_INLINE = CMARK_NODE_TYPE_INLINE | 0x0006, + CMARK_NODE_EMPH = CMARK_NODE_TYPE_INLINE | 0x0007, + CMARK_NODE_STRONG = CMARK_NODE_TYPE_INLINE | 0x0008, + CMARK_NODE_LINK = CMARK_NODE_TYPE_INLINE | 0x0009, + CMARK_NODE_IMAGE = CMARK_NODE_TYPE_INLINE | 0x000a, + CMARK_NODE_FOOTNOTE_REFERENCE = CMARK_NODE_TYPE_INLINE | 0x000b, + CMARK_NODE_ATTRIBUTE = CMARK_NODE_TYPE_INLINE | 0x000c, +} cmark_node_type; + +extern cmark_node_type CMARK_NODE_LAST_BLOCK; +extern cmark_node_type CMARK_NODE_LAST_INLINE; + +/* For backwards compatibility: */ +#define CMARK_NODE_HEADER CMARK_NODE_HEADING +#define CMARK_NODE_HRULE CMARK_NODE_THEMATIC_BREAK +#define CMARK_NODE_HTML CMARK_NODE_HTML_BLOCK +#define CMARK_NODE_INLINE_HTML CMARK_NODE_HTML_INLINE + +typedef enum { + CMARK_NO_LIST, + CMARK_BULLET_LIST, + CMARK_ORDERED_LIST +} cmark_list_type; + +typedef enum { + CMARK_NO_DELIM, + CMARK_PERIOD_DELIM, + CMARK_PAREN_DELIM +} cmark_delim_type; + +typedef struct cmark_node cmark_node; +typedef struct cmark_parser cmark_parser; +typedef struct cmark_iter cmark_iter; +typedef struct cmark_syntax_extension cmark_syntax_extension; + +/** + * ## Custom memory allocator support + */ + +/** Defines the memory allocation functions to be used by CMark + * when parsing and allocating a document tree + */ +typedef struct cmark_mem { + void *(*calloc)(size_t, size_t); + void *(*realloc)(void *, size_t); + void (*free)(void *); +} cmark_mem; + +/** The default memory allocator; uses the system's calloc, + * realloc and free. + */ +CMARK_GFM_EXPORT +cmark_mem *cmark_get_default_mem_allocator(void); + +/** An arena allocator; uses system calloc to allocate large + * slabs of memory. Memory in these slabs is not reused at all. + */ +CMARK_GFM_EXPORT +cmark_mem *cmark_get_arena_mem_allocator(void); + +/** Resets the arena allocator, quickly returning all used memory + * to the operating system. + */ +CMARK_GFM_EXPORT +void cmark_arena_reset(void); + +/** Callback for freeing user data with a 'cmark_mem' context. + */ +typedef void (*cmark_free_func) (cmark_mem *mem, void *user_data); + + +/* + * ## Basic data structures + * + * To keep dependencies to the strict minimum, libcmark implements + * its own versions of "classic" data structures. + */ + +/** + * ### Linked list + */ + +/** A generic singly linked list. + */ +typedef struct _cmark_llist +{ + struct _cmark_llist *next; + void *data; +} cmark_llist; + +/** Append an element to the linked list, return the possibly modified + * head of the list. + */ +CMARK_GFM_EXPORT +cmark_llist * cmark_llist_append (cmark_mem * mem, + cmark_llist * head, + void * data); + +/** Free the list starting with 'head', calling 'free_func' with the + * data pointer of each of its elements + */ +CMARK_GFM_EXPORT +void cmark_llist_free_full (cmark_mem * mem, + cmark_llist * head, + cmark_free_func free_func); + +/** Free the list starting with 'head' + */ +CMARK_GFM_EXPORT +void cmark_llist_free (cmark_mem * mem, + cmark_llist * head); + +/** + * ## Creating and Destroying Nodes + */ + +/** Creates a new node of type 'type'. Note that the node may have + * other required properties, which it is the caller's responsibility + * to assign. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_new(cmark_node_type type); + +/** Same as `cmark_node_new`, but explicitly listing the memory + * allocator used to allocate the node. Note: be sure to use the same + * allocator for every node in a tree, or bad things can happen. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_new_with_mem(cmark_node_type type, + cmark_mem *mem); + +CMARK_GFM_EXPORT cmark_node *cmark_node_new_with_ext(cmark_node_type type, + cmark_syntax_extension *extension); + +CMARK_GFM_EXPORT cmark_node *cmark_node_new_with_mem_and_ext(cmark_node_type type, + cmark_mem *mem, + cmark_syntax_extension *extension); + +/** Frees the memory allocated for a node and any children. + */ +CMARK_GFM_EXPORT void cmark_node_free(cmark_node *node); + +/** + * ## Tree Traversal + */ + +/** Returns the next node in the sequence after 'node', or NULL if + * there is none. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_next(cmark_node *node); + +/** Returns the previous node in the sequence after 'node', or NULL if + * there is none. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_previous(cmark_node *node); + +/** Returns the parent of 'node', or NULL if there is none. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_parent(cmark_node *node); + +/** Returns the first child of 'node', or NULL if 'node' has no children. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_first_child(cmark_node *node); + +/** Returns the last child of 'node', or NULL if 'node' has no children. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_last_child(cmark_node *node); + +/** Returns the N'th child of 'node', or NULL if 'node' does not have at least N children. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_nth_child(cmark_node *node, int n); + +/** Returns the footnote reference of 'node', or NULL if 'node' doesn't have a + * footnote reference. + */ +CMARK_GFM_EXPORT cmark_node *cmark_node_parent_footnote_def(cmark_node *node); + +/** + * ## Iterator + * + * An iterator will walk through a tree of nodes, starting from a root + * node, returning one node at a time, together with information about + * whether the node is being entered or exited. The iterator will + * first descend to a child node, if there is one. When there is no + * child, the iterator will go to the next sibling. When there is no + * next sibling, the iterator will return to the parent (but with + * a 'cmark_event_type' of `CMARK_EVENT_EXIT`). The iterator will + * return `CMARK_EVENT_DONE` when it reaches the root node again. + * One natural application is an HTML renderer, where an `ENTER` event + * outputs an open tag and an `EXIT` event outputs a close tag. + * An iterator might also be used to transform an AST in some systematic + * way, for example, turning all level-3 headings into regular paragraphs. + * + * void + * usage_example(cmark_node *root) { + * cmark_event_type ev_type; + * cmark_iter *iter = cmark_iter_new(root); + * + * while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) { + * cmark_node *cur = cmark_iter_get_node(iter); + * // Do something with `cur` and `ev_type` + * } + * + * cmark_iter_free(iter); + * } + * + * Iterators will never return `EXIT` events for leaf nodes, which are nodes + * of type: + * + * * CMARK_NODE_HTML_BLOCK + * * CMARK_NODE_THEMATIC_BREAK + * * CMARK_NODE_CODE_BLOCK + * * CMARK_NODE_TEXT + * * CMARK_NODE_SOFTBREAK + * * CMARK_NODE_LINEBREAK + * * CMARK_NODE_CODE + * * CMARK_NODE_HTML_INLINE + * + * Nodes must only be modified after an `EXIT` event, or an `ENTER` event for + * leaf nodes. + */ + +typedef enum { + CMARK_EVENT_NONE, + CMARK_EVENT_DONE, + CMARK_EVENT_ENTER, + CMARK_EVENT_EXIT +} cmark_event_type; + +/** Creates a new iterator starting at 'root'. The current node and event + * type are undefined until 'cmark_iter_next' is called for the first time. + * The memory allocated for the iterator should be released using + * 'cmark_iter_free' when it is no longer needed. + */ +CMARK_GFM_EXPORT +cmark_iter *cmark_iter_new(cmark_node *root); + +/** Frees the memory allocated for an iterator. + */ +CMARK_GFM_EXPORT +void cmark_iter_free(cmark_iter *iter); + +/** Advances to the next node and returns the event type (`CMARK_EVENT_ENTER`, + * `CMARK_EVENT_EXIT` or `CMARK_EVENT_DONE`). + */ +CMARK_GFM_EXPORT +cmark_event_type cmark_iter_next(cmark_iter *iter); + +/** Returns the current node. + */ +CMARK_GFM_EXPORT +cmark_node *cmark_iter_get_node(cmark_iter *iter); + +/** Returns the current event type. + */ +CMARK_GFM_EXPORT +cmark_event_type cmark_iter_get_event_type(cmark_iter *iter); + +/** Returns the root node. + */ +CMARK_GFM_EXPORT +cmark_node *cmark_iter_get_root(cmark_iter *iter); + +/** Resets the iterator so that the current node is 'current' and + * the event type is 'event_type'. The new current node must be a + * descendant of the root node or the root node itself. + */ +CMARK_GFM_EXPORT +void cmark_iter_reset(cmark_iter *iter, cmark_node *current, + cmark_event_type event_type); + +/** + * ## Accessors + */ + +/** Returns the user data of 'node'. + */ +CMARK_GFM_EXPORT void *cmark_node_get_user_data(cmark_node *node); + +/** Sets arbitrary user data for 'node'. Returns 1 on success, + * 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_user_data(cmark_node *node, void *user_data); + +/** Set free function for user data */ +CMARK_GFM_EXPORT +int cmark_node_set_user_data_free_func(cmark_node *node, + cmark_free_func free_func); + +/** Returns the type of 'node', or `CMARK_NODE_NONE` on error. + */ +CMARK_GFM_EXPORT cmark_node_type cmark_node_get_type(cmark_node *node); + +/** Like 'cmark_node_get_type', but returns a string representation + of the type, or `""`. + */ +CMARK_GFM_EXPORT +const char *cmark_node_get_type_string(cmark_node *node); + +/** Returns the string contents of 'node', or an empty + string if none is set. Returns NULL if called on a + node that does not have string content. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_literal(cmark_node *node); + +/** Returns the number of backtick characters used to open the + node if it is an inline code span, otherwise returns 0. + */ +CMARK_GFM_EXPORT int cmark_node_get_backtick_count(cmark_node *node); + +/** Sets the string contents of 'node'. Returns 1 on success, + * 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_literal(cmark_node *node, const char *content); + +/** Returns the heading level of 'node', or 0 if 'node' is not a heading. + */ +CMARK_GFM_EXPORT int cmark_node_get_heading_level(cmark_node *node); + +/* For backwards compatibility */ +#define cmark_node_get_header_level cmark_node_get_heading_level +#define cmark_node_set_header_level cmark_node_set_heading_level + +/** Sets the heading level of 'node', returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT int cmark_node_set_heading_level(cmark_node *node, int level); + +/** Returns the list type of 'node', or `CMARK_NO_LIST` if 'node' + * is not a list. + */ +CMARK_GFM_EXPORT cmark_list_type cmark_node_get_list_type(cmark_node *node); + +/** Sets the list type of 'node', returning 1 on success and 0 on error. + */ +CMARK_GFM_EXPORT int cmark_node_set_list_type(cmark_node *node, + cmark_list_type type); + +/** Returns the list delimiter type of 'node', or `CMARK_NO_DELIM` if 'node' + * is not a list. + */ +CMARK_GFM_EXPORT cmark_delim_type cmark_node_get_list_delim(cmark_node *node); + +/** Sets the list delimiter type of 'node', returning 1 on success and 0 + * on error. + */ +CMARK_GFM_EXPORT int cmark_node_set_list_delim(cmark_node *node, + cmark_delim_type delim); + +/** Returns starting number of 'node', if it is an ordered list, otherwise 0. + */ +CMARK_GFM_EXPORT int cmark_node_get_list_start(cmark_node *node); + +/** Sets starting number of 'node', if it is an ordered list. Returns 1 + * on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_list_start(cmark_node *node, int start); + +/** Returns 1 if 'node' is a tight list, 0 otherwise. + */ +CMARK_GFM_EXPORT int cmark_node_get_list_tight(cmark_node *node); + +/** Sets the "tightness" of a list. Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_list_tight(cmark_node *node, int tight); + +/** + * Returns item index of 'node'. This is only used when rendering output + * formats such as commonmark, which need to output the index. It is not + * required for formats such as html or latex. + */ +CMARK_GFM_EXPORT int cmark_node_get_item_index(cmark_node *node); + +/** Sets item index of 'node'. Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_item_index(cmark_node *node, int idx); + +/** Returns the info string from a fenced code block. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_fence_info(cmark_node *node); + +/** Sets the info string in a fenced code block, returning 1 on + * success and 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_fence_info(cmark_node *node, const char *info); + +/** Sets code blocks fencing details + */ +CMARK_GFM_EXPORT int cmark_node_set_fenced(cmark_node * node, int fenced, + int length, int offset, char character); + +/** Returns code blocks fencing details + */ +CMARK_GFM_EXPORT int cmark_node_get_fenced(cmark_node *node, int *length, int *offset, char *character); + +/** Returns the URL of a link or image 'node', or an empty string + if no URL is set. Returns NULL if called on a node that is + not a link or image. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_url(cmark_node *node); + +/** Sets the URL of a link or image 'node'. Returns 1 on success, + * 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_url(cmark_node *node, const char *url); + +/** Returns the title of a link or image 'node', or an empty + string if no title is set. Returns NULL if called on a node + that is not a link or image. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_title(cmark_node *node); + +/** Sets the title of a link or image 'node'. Returns 1 on success, + * 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_title(cmark_node *node, const char *title); + +/** Returns the attributes of an attribute 'node', or an empty string + if no attributes are set. Returns NULL if called on a node that is + not an attribute. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_attributes(cmark_node *node); + +/** Sets the attributes of an attribute 'node'. Returns 1 on success, + * 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_attributes(cmark_node *node, const char *attributes); + +/** Returns the literal "on enter" text for a custom 'node', or + an empty string if no on_enter is set. Returns NULL if called + on a non-custom node. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_on_enter(cmark_node *node); + +/** Sets the literal text to render "on enter" for a custom 'node'. + Any children of the node will be rendered after this text. + Returns 1 on success 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_on_enter(cmark_node *node, + const char *on_enter); + +/** Returns the literal "on exit" text for a custom 'node', or + an empty string if no on_exit is set. Returns NULL if + called on a non-custom node. + */ +CMARK_GFM_EXPORT const char *cmark_node_get_on_exit(cmark_node *node); + +/** Sets the literal text to render "on exit" for a custom 'node'. + Any children of the node will be rendered before this text. + Returns 1 on success 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_set_on_exit(cmark_node *node, const char *on_exit); + +/** Returns the line on which 'node' begins. + */ +CMARK_GFM_EXPORT int cmark_node_get_start_line(cmark_node *node); + +/** Returns the column at which 'node' begins. + */ +CMARK_GFM_EXPORT int cmark_node_get_start_column(cmark_node *node); + +/** Returns the line on which 'node' ends. + */ +CMARK_GFM_EXPORT int cmark_node_get_end_line(cmark_node *node); + +/** Returns the column at which 'node' ends. + */ +CMARK_GFM_EXPORT int cmark_node_get_end_column(cmark_node *node); + +/** + * ## Tree Manipulation + */ + +/** Unlinks a 'node', removing it from the tree, but not freeing its + * memory. (Use 'cmark_node_free' for that.) + */ +CMARK_GFM_EXPORT void cmark_node_unlink(cmark_node *node); + +/** Inserts 'sibling' before 'node'. Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_insert_before(cmark_node *node, + cmark_node *sibling); + +/** Inserts 'sibling' after 'node'. Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_insert_after(cmark_node *node, cmark_node *sibling); + +/** Replaces 'oldnode' with 'newnode' and unlinks 'oldnode' (but does + * not free its memory). + * Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_replace(cmark_node *oldnode, cmark_node *newnode); + +/** Adds 'child' to the beginning of the children of 'node'. + * Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_prepend_child(cmark_node *node, cmark_node *child); + +/** Adds 'child' to the end of the children of 'node'. + * Returns 1 on success, 0 on failure. + */ +CMARK_GFM_EXPORT int cmark_node_append_child(cmark_node *node, cmark_node *child); + +/** Consolidates adjacent text nodes. + */ +CMARK_GFM_EXPORT void cmark_consolidate_text_nodes(cmark_node *root); + +/** Ensures a node and all its children own their own chunk memory. + */ +CMARK_GFM_EXPORT void cmark_node_own(cmark_node *root); + +/** + * ## Parsing + * + * Simple interface: + * + * cmark_node *document = cmark_parse_document("Hello *world*", 13, + * CMARK_OPT_DEFAULT); + * + * Streaming interface: + * + * cmark_parser *parser = cmark_parser_new(CMARK_OPT_DEFAULT); + * FILE *fp = fopen("myfile.md", "rb"); + * while ((bytes = fread(buffer, 1, sizeof(buffer), fp)) > 0) { + * cmark_parser_feed(parser, buffer, bytes); + * if (bytes < sizeof(buffer)) { + * break; + * } + * } + * document = cmark_parser_finish(parser); + * cmark_parser_free(parser); + */ + +/** Creates a new parser object. + */ +CMARK_GFM_EXPORT +cmark_parser *cmark_parser_new(int options); + +/** Creates a new parser object with the given memory allocator + */ +CMARK_GFM_EXPORT +cmark_parser *cmark_parser_new_with_mem(int options, cmark_mem *mem); + +/** Frees memory allocated for a parser object. + */ +CMARK_GFM_EXPORT +void cmark_parser_free(cmark_parser *parser); + +/** Feeds a string of length 'len' to 'parser'. + */ +CMARK_GFM_EXPORT +void cmark_parser_feed(cmark_parser *parser, const char *buffer, size_t len); + +/** Finish parsing and return a pointer to a tree of nodes. + */ +CMARK_GFM_EXPORT +cmark_node *cmark_parser_finish(cmark_parser *parser); + +/** Parse a CommonMark document in 'buffer' of length 'len'. + * Returns a pointer to a tree of nodes. The memory allocated for + * the node tree should be released using 'cmark_node_free' + * when it is no longer needed. + */ +CMARK_GFM_EXPORT +cmark_node *cmark_parse_document(const char *buffer, size_t len, int options); + +/** Parse a CommonMark document in file 'f', returning a pointer to + * a tree of nodes. The memory allocated for the node tree should be + * released using 'cmark_node_free' when it is no longer needed. + */ +CMARK_GFM_EXPORT +cmark_node *cmark_parse_file(FILE *f, int options); + +/** + * ## Rendering + */ + +/** Render a 'node' tree as XML. It is the caller's responsibility + * to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_xml(cmark_node *root, int options); + +/** As for 'cmark_render_xml', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_xml_with_mem(cmark_node *root, int options, cmark_mem *mem); + +/** Render a 'node' tree as an HTML fragment. It is up to the user + * to add an appropriate header and footer. It is the caller's + * responsibility to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_html(cmark_node *root, int options, cmark_llist *extensions); + +/** As for 'cmark_render_html', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_html_with_mem(cmark_node *root, int options, cmark_llist *extensions, cmark_mem *mem); + +/** Render a 'node' tree as a groff man page, without the header. + * It is the caller's responsibility to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_man(cmark_node *root, int options, int width); + +/** As for 'cmark_render_man', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_man_with_mem(cmark_node *root, int options, int width, cmark_mem *mem); + +/** Render a 'node' tree as a commonmark document. + * It is the caller's responsibility to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_commonmark(cmark_node *root, int options, int width); + +/** As for 'cmark_render_commonmark', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_commonmark_with_mem(cmark_node *root, int options, int width, cmark_mem *mem); + +/** Render a 'node' tree as a plain text document. + * It is the caller's responsibility to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_plaintext(cmark_node *root, int options, int width); + +/** As for 'cmark_render_plaintext', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_plaintext_with_mem(cmark_node *root, int options, int width, cmark_mem *mem); + +/** Render a 'node' tree as a LaTeX document. + * It is the caller's responsibility to free the returned buffer. + */ +CMARK_GFM_EXPORT +char *cmark_render_latex(cmark_node *root, int options, int width); + +/** As for 'cmark_render_latex', but specifying the allocator to use for + * the resulting string. + */ +CMARK_GFM_EXPORT +char *cmark_render_latex_with_mem(cmark_node *root, int options, int width, cmark_mem *mem); + +/** + * ## Options + */ + +/** Default options. + */ +#define CMARK_OPT_DEFAULT 0 + +/** + * ### Options affecting rendering + */ + +/** Include a `data-sourcepos` attribute on all block elements. + */ +#define CMARK_OPT_SOURCEPOS (1 << 1) + +/** Render `softbreak` elements as hard line breaks. + */ +#define CMARK_OPT_HARDBREAKS (1 << 2) + +/** `CMARK_OPT_SAFE` is defined here for API compatibility, + but it no longer has any effect. "Safe" mode is now the default: + set `CMARK_OPT_UNSAFE` to disable it. + */ +#define CMARK_OPT_SAFE (1 << 3) + +/** Render raw HTML and unsafe links (`javascript:`, `vbscript:`, + * `file:`, and `data:`, except for `image/png`, `image/gif`, + * `image/jpeg`, or `image/webp` mime types). By default, + * raw HTML is replaced by a placeholder HTML comment. Unsafe + * links are replaced by empty strings. + */ +#define CMARK_OPT_UNSAFE (1 << 17) + +/** Render `softbreak` elements as spaces. + */ +#define CMARK_OPT_NOBREAKS (1 << 4) + +/** + * ### Options affecting parsing + */ + +/** Legacy option (no effect). + */ +#define CMARK_OPT_NORMALIZE (1 << 8) + +/** Validate UTF-8 in the input before parsing, replacing illegal + * sequences with the replacement character U+FFFD. + */ +#define CMARK_OPT_VALIDATE_UTF8 (1 << 9) + +/** Convert straight quotes to curly, --- to em dashes, -- to en dashes. + */ +#define CMARK_OPT_SMART (1 << 10) + +/** Use GitHub-style 
 tags for code blocks instead of 
.
+ */
+#define CMARK_OPT_GITHUB_PRE_LANG (1 << 11)
+
+/** Be liberal in interpreting inline HTML tags.
+ */
+#define CMARK_OPT_LIBERAL_HTML_TAG (1 << 12)
+
+/** Parse footnotes.
+ */
+#define CMARK_OPT_FOOTNOTES (1 << 13)
+
+/** Only parse strikethroughs if surrounded by exactly 2 tildes.
+ * Gives some compatibility with redcarpet.
+ */
+#define CMARK_OPT_STRIKETHROUGH_DOUBLE_TILDE (1 << 14)
+
+/** Use style attributes to align table cells instead of align attributes.
+ */
+#define CMARK_OPT_TABLE_PREFER_STYLE_ATTRIBUTES (1 << 15)
+
+/** Include the remainder of the info string in code blocks in
+ * a separate attribute.
+ */
+#define CMARK_OPT_FULL_INFO_STRING (1 << 16)
+
+/** Parse only inline markdown directives. Block directives will not be
+ * parsed (their literal representations will remain in the output).
+ */
+#define CMARK_OPT_INLINE_ONLY (1 << 18)
+
+/** Parse the markdown input without removing preceding/trailing whitespace and
+ * without converting newline characters to breaks. Using this option also
+ * enables the CMARK_OPT_INLINE_ONLY option.
+ */
+#define CMARK_OPT_PRESERVE_WHITESPACE ((1 << 19) | CMARK_OPT_INLINE_ONLY)
+
+/** Parse row- and column-span in tables.
+ */
+#define CMARK_OPT_TABLE_SPANS (1 << 20)
+
+/** Parse table cells defining row span using a double-quote symbol (`"`, or "ditto mark")
+ * instead of the default caret symbol (`^`).
+ *
+ * Does nothing unless \c CMARK_OPT_TABLE_SPANS is also set.
+ */
+#define CMARK_OPT_TABLE_ROWSPAN_DITTO (1 << 21)
+
+/**
+ * ## Version information
+ */
+
+/** The library version as integer for runtime checks. Also available as
+ * macro CMARK_VERSION for compile time checks.
+ *
+ * * Bits 16-23 contain the major version.
+ * * Bits 8-15 contain the minor version.
+ * * Bits 0-7 contain the patchlevel.
+ *
+ * In hexadecimal format, the number 0x010203 represents version 1.2.3.
+ */
+CMARK_GFM_EXPORT
+int cmark_version(void);
+
+/** The library version string for runtime checks. Also available as
+ * macro CMARK_VERSION_STRING for compile time checks.
+ */
+CMARK_GFM_EXPORT
+const char *cmark_version_string(void);
+
+/** # AUTHORS
+ *
+ * John MacFarlane, Vicent Marti,  Kārlis Gaņģis, Nick Wellnhofer.
+ */
+
+#if !defined(CMARK_NO_SHORT_NAMES)
+#define NODE_DOCUMENT CMARK_NODE_DOCUMENT
+#define NODE_BLOCK_QUOTE CMARK_NODE_BLOCK_QUOTE
+#define NODE_LIST CMARK_NODE_LIST
+#define NODE_ITEM CMARK_NODE_ITEM
+#define NODE_CODE_BLOCK CMARK_NODE_CODE_BLOCK
+#define NODE_HTML_BLOCK CMARK_NODE_HTML_BLOCK
+#define NODE_CUSTOM_BLOCK CMARK_NODE_CUSTOM_BLOCK
+#define NODE_PARAGRAPH CMARK_NODE_PARAGRAPH
+#define NODE_HEADING CMARK_NODE_HEADING
+#define NODE_HEADER CMARK_NODE_HEADER
+#define NODE_THEMATIC_BREAK CMARK_NODE_THEMATIC_BREAK
+#define NODE_HRULE CMARK_NODE_HRULE
+#define NODE_TEXT CMARK_NODE_TEXT
+#define NODE_SOFTBREAK CMARK_NODE_SOFTBREAK
+#define NODE_LINEBREAK CMARK_NODE_LINEBREAK
+#define NODE_CODE CMARK_NODE_CODE
+#define NODE_HTML_INLINE CMARK_NODE_HTML_INLINE
+#define NODE_CUSTOM_INLINE CMARK_NODE_CUSTOM_INLINE
+#define NODE_EMPH CMARK_NODE_EMPH
+#define NODE_STRONG CMARK_NODE_STRONG
+#define NODE_LINK CMARK_NODE_LINK
+#define NODE_IMAGE CMARK_NODE_IMAGE
+#define BULLET_LIST CMARK_BULLET_LIST
+#define ORDERED_LIST CMARK_ORDERED_LIST
+#define PERIOD_DELIM CMARK_PERIOD_DELIM
+#define PAREN_DELIM CMARK_PAREN_DELIM
+#endif
+
+typedef int32_t bufsize_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm_version.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm_version.h
new file mode 100644
index 0000000000..cf4dfee03a
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark-gfm_version.h
@@ -0,0 +1,7 @@
+#ifndef CMARK_GFM_VERSION_H
+#define CMARK_GFM_VERSION_H
+
+#define CMARK_GFM_VERSION ((0 << 24) | (29 << 16) | (0 << 8) | 13)
+#define CMARK_GFM_VERSION_STRING "0.29.0.gfm.13"
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark_ctype.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark_ctype.h
new file mode 100644
index 0000000000..26418702f7
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/cmark_ctype.h
@@ -0,0 +1,33 @@
+#ifndef CMARK_CMARK_CTYPE_H
+#define CMARK_CMARK_CTYPE_H
+
+#include "export.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Locale-independent versions of functions from ctype.h.
+ * We want cmark to behave the same no matter what the system locale.
+ */
+
+CMARK_GFM_EXPORT
+int cmark_isspace(char c);
+
+CMARK_GFM_EXPORT
+int cmark_ispunct(char c);
+
+CMARK_GFM_EXPORT
+int cmark_isalnum(char c);
+
+CMARK_GFM_EXPORT
+int cmark_isdigit(char c);
+
+CMARK_GFM_EXPORT
+int cmark_isalpha(char c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/export.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/export.h
new file mode 100644
index 0000000000..61ea28cdb0
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/export.h
@@ -0,0 +1,41 @@
+#ifndef CMARK_GFM_EXPORT_H
+#define CMARK_GFM_EXPORT_H
+
+#ifdef CMARK_GFM_STATIC_DEFINE
+#  define CMARK_GFM_EXPORT
+#  define CMARK_GFM_NO_EXPORT
+#else
+#  if defined(_WIN32)
+#    if defined(libcmark_gfm_EXPORTS)
+#      define CMARK_GFM_EXPORT __declspec(dllexport)
+#    else
+#      define CMARK_GFM_EXPORT __declspec(dllimport)
+#    endif
+#    define CMARK_GFM_NO_EXPORT
+#  else
+#    if defined(libcmark_gfm_EXPORTS)
+#      define CMARK_GFM_EXPORT __attribute__((__visibility__("default")))
+#    else
+#      define CMARK_GFM_EXPORT __attribute__((__visibility__("default")))
+#    endif
+#    define CMARK_GFM_NO_EXPORT __attribute__((__visibility__("hidden")))
+#  endif
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED
+#  if defined(_WIN32)
+#    define CMARK_GFM_DEPRECATED __declspec(deprecated)
+#  else
+#    define CMARK_GFM_DEPRECATED __attribute__ ((__deprecated__))
+#  endif
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED_EXPORT
+#  define CMARK_GFM_DEPRECATED_EXPORT CMARK_GFM_EXPORT CMARK_GFM_DEPRECATED
+#endif
+
+#ifndef CMARK_GFM_DEPRECATED_NO_EXPORT
+#  define CMARK_GFM_DEPRECATED_NO_EXPORT CMARK_GFM_NO_EXPORT CMARK_GFM_DEPRECATED
+#endif
+
+#endif /* not CMARK_GFM_EXPORT_H */
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/footnotes.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/footnotes.h
new file mode 100644
index 0000000000..64e2901e35
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/footnotes.h
@@ -0,0 +1,27 @@
+#ifndef CMARK_FOOTNOTES_H
+#define CMARK_FOOTNOTES_H
+
+#include "map.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct cmark_footnote {
+  cmark_map_entry entry;
+  cmark_node *node;
+  unsigned int ix;
+};
+
+typedef struct cmark_footnote cmark_footnote;
+
+void cmark_footnote_create(cmark_map *map, cmark_node *node);
+cmark_map *cmark_footnote_map_new(cmark_mem *mem);
+
+void cmark_unlink_footnotes_map(cmark_map *map);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/houdini.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/houdini.h
new file mode 100644
index 0000000000..61a3cd6395
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/houdini.h
@@ -0,0 +1,49 @@
+#ifndef CMARK_HOUDINI_H
+#define CMARK_HOUDINI_H
+
+#include 
+
+#include "buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HOUDINI_USE_LOCALE
+#define _isxdigit(c) isxdigit(c)
+#define _isdigit(c) isdigit(c)
+#else
+/*
+ * Helper _isdigit methods -- do not trust the current locale
+ * */
+#define _isxdigit(c) (strchr("0123456789ABCDEFabcdef", (c)) != NULL)
+#define _isdigit(c) ((c) >= '0' && (c) <= '9')
+#endif
+
+#define HOUDINI_ESCAPED_SIZE(x) (((x)*12) / 10)
+#define HOUDINI_UNESCAPED_SIZE(x) (x)
+
+CMARK_GFM_EXPORT
+bufsize_t houdini_unescape_ent(cmark_strbuf *ob, const uint8_t *src,
+                                      bufsize_t size);
+CMARK_GFM_EXPORT
+int houdini_escape_html(cmark_strbuf *ob, const uint8_t *src,
+                               bufsize_t size);
+CMARK_GFM_EXPORT
+int houdini_escape_html0(cmark_strbuf *ob, const uint8_t *src,
+                                bufsize_t size, int secure);
+CMARK_GFM_EXPORT
+int houdini_unescape_html(cmark_strbuf *ob, const uint8_t *src,
+                                 bufsize_t size);
+CMARK_GFM_EXPORT
+void houdini_unescape_html_f(cmark_strbuf *ob, const uint8_t *src,
+                                    bufsize_t size);
+CMARK_GFM_EXPORT
+int houdini_escape_href(cmark_strbuf *ob, const uint8_t *src,
+                               bufsize_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/html.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/html.h
new file mode 100644
index 0000000000..fea9c67bf3
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/html.h
@@ -0,0 +1,27 @@
+#ifndef CMARK_HTML_H
+#define CMARK_HTML_H
+
+#include "buffer.h"
+#include "node.h"
+
+inline
+static void cmark_html_render_cr(cmark_strbuf *html) {
+  if (html->size && html->ptr[html->size - 1] != '\n')
+    cmark_strbuf_putc(html, '\n');
+}
+
+#define BUFFER_SIZE 100
+
+inline 
+static void cmark_html_render_sourcepos(cmark_node *node, cmark_strbuf *html, int options) {
+  char buffer[BUFFER_SIZE];
+  if (CMARK_OPT_SOURCEPOS & options) {
+    snprintf(buffer, BUFFER_SIZE, " data-sourcepos=\"%d:%d-%d:%d\"",
+             cmark_node_get_start_line(node), cmark_node_get_start_column(node),
+             cmark_node_get_end_line(node), cmark_node_get_end_column(node));
+    cmark_strbuf_puts(html, buffer);
+  }
+}
+
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/inlines.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/inlines.h
new file mode 100644
index 0000000000..b99acfc5f8
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/inlines.h
@@ -0,0 +1,39 @@
+#ifndef CMARK_INLINES_H
+#define CMARK_INLINES_H
+
+#include 
+#include 
+
+#include "references.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+cmark_chunk cmark_clean_url(cmark_mem *mem, cmark_chunk *url);
+cmark_chunk cmark_clean_title(cmark_mem *mem, cmark_chunk *title);
+cmark_chunk cmark_clean_attributes(cmark_mem *mem, cmark_chunk *attributes);
+
+CMARK_GFM_EXPORT
+void cmark_parse_inlines(cmark_parser *parser,
+                         cmark_node *parent,
+                         cmark_map *refmap,
+                         int options);
+
+bufsize_t cmark_parse_reference_inline(cmark_mem *mem, cmark_chunk *input,
+                                       cmark_map *refmap);
+
+bufsize_t cmark_parse_reference_attributes_inline(cmark_mem *mem, cmark_chunk *input,
+                                                  cmark_map *refmap);
+
+void cmark_inlines_add_special_character(cmark_parser *parser, unsigned char c, bool emphasis);
+void cmark_inlines_remove_special_character(cmark_parser *parser, unsigned char c, bool emphasis);
+
+void cmark_set_default_skip_chars(int8_t **skip_chars, bool use_memcpy);
+void cmark_set_default_special_chars(int8_t **special_chars, bool use_memcpy);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/iterator.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/iterator.h
new file mode 100644
index 0000000000..39040a4cc8
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/iterator.h
@@ -0,0 +1,26 @@
+#ifndef CMARK_ITERATOR_H
+#define CMARK_ITERATOR_H
+
+#include "cmark-gfm.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  cmark_event_type ev_type;
+  cmark_node *node;
+} cmark_iter_state;
+
+struct cmark_iter {
+  cmark_mem *mem;
+  cmark_node *root;
+  cmark_iter_state cur;
+  cmark_iter_state next;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/map.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/map.h
new file mode 100644
index 0000000000..cc9b1f30c3
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/map.h
@@ -0,0 +1,44 @@
+#ifndef CMARK_MAP_H
+#define CMARK_MAP_H
+
+#include "chunk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct cmark_map_entry {
+  struct cmark_map_entry *next;
+  unsigned char *label;
+  size_t age;
+  size_t size;
+};
+
+typedef struct cmark_map_entry cmark_map_entry;
+
+struct cmark_map;
+
+typedef void (*cmark_map_free_f)(struct cmark_map *, cmark_map_entry *);
+
+struct cmark_map {
+  cmark_mem *mem;
+  cmark_map_entry *refs;
+  cmark_map_entry **sorted;
+  size_t size;
+  size_t ref_size;
+  size_t max_ref_size;
+  cmark_map_free_f free;
+};
+
+typedef struct cmark_map cmark_map;
+
+unsigned char *normalize_map_label(cmark_mem *mem, cmark_chunk *ref);
+cmark_map *cmark_map_new(cmark_mem *mem, cmark_map_free_f free);
+void cmark_map_free(cmark_map *map);
+cmark_map_entry *cmark_map_lookup(cmark_map *map, cmark_chunk *label);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/module.modulemap b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/module.modulemap
new file mode 100644
index 0000000000..16c65818fd
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/module.modulemap
@@ -0,0 +1,23 @@
+module cmark_gfm {
+    header "cmark-gfm.h"
+    header "cmark-gfm-extension_api.h"
+    header "buffer.h"
+    header "chunk.h"
+    header "cmark_ctype.h"
+    header "footnotes.h"
+    header "houdini.h"
+    header "html.h"
+    header "inlines.h"
+    header "iterator.h"
+    header "map.h"
+    header "node.h"
+    header "parser.h"
+    header "plugin.h"
+    header "references.h"
+    header "registry.h"
+    header "render.h"
+    header "scanners.h"
+    header "syntax_extension.h"
+    header "utf8.h"
+    export *
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/mutex.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/mutex.h
new file mode 100644
index 0000000000..59427f3453
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/mutex.h
@@ -0,0 +1,76 @@
+#ifndef CMARK_MUTEX_H
+#define CMARK_MUTEX_H
+
+#include 
+
+#ifdef CMARK_THREADING
+
+#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
+#include 
+#endif
+
+#if defined (_POSIX_THREADS)
+
+#include 
+
+#define CMARK_DEFINE_ONCE(NAME) static pthread_once_t NAME##_once = PTHREAD_ONCE_INIT;
+
+#define CMARK_RUN_ONCE(NAME, FUNC) pthread_once(&NAME##_once, FUNC)
+
+#define CMARK_DEFINE_LOCK(NAME) \
+static pthread_mutex_t NAME##_lock; \
+CMARK_DEFINE_ONCE(NAME); \
+static void initialize_##NAME() { pthread_mutex_init(&NAME##_lock, NULL); }
+
+#define CMARK_INITIALIZE_AND_LOCK(NAME) \
+CMARK_RUN_ONCE(NAME, initialize_##NAME); \
+pthread_mutex_lock(&NAME##_lock);
+
+#define CMARK_UNLOCK(NAME) pthread_mutex_unlock(&NAME##_lock);
+
+#elif defined(_WIN32) // building for windows
+
+#define _WIN32_WINNT 0x0600 // minimum target of Windows Vista
+#define WIN32_LEAN_AND_MEAN
+#include 
+
+#define CMARK_DEFINE_ONCE(NAME) static INIT_ONCE NAME##_once = INIT_ONCE_STATIC_INIT;
+
+#define CMARK_RUN_ONCE(NAME, FUNC) do { \
+  BOOL fStatus; BOOL fPending; \
+  fStatus = InitOnceBeginInitialize(&NAME##_once, 0, &fPending, NULL); \
+  if (!fStatus || !fPending) break; \
+  FUNC(); \
+  InitOnceComplete(&NAME##_once, 0, NULL); \
+} while (0);
+
+#define CMARK_DEFINE_LOCK(NAME) static SRWLOCK NAME##_lock = SRWLOCK_INIT;
+
+#define CMARK_INITIALIZE_AND_LOCK(NAME) AcquireSRWLockExclusive(&NAME##_lock);
+
+#define CMARK_UNLOCK(NAME) ReleaseSRWLockExclusive(&NAME##_lock);
+
+#endif
+
+#else // no threading support
+
+static inline bool check_latch(int *latch) {
+  if (!*latch) {
+    *latch = 1;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+#define CMARK_DEFINE_LOCK(NAME)
+#define CMARK_INITIALIZE_AND_LOCK(NAME)
+#define CMARK_UNLOCK(NAME)
+
+#define CMARK_DEFINE_ONCE(NAME) static int NAME = 0;
+
+#define CMARK_RUN_ONCE(NAME, FUNC) if (check_latch(&NAME)) FUNC();
+
+#endif // CMARK_THREADING
+
+#endif // CMARK_MUTEX_H
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/node.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/node.h
new file mode 100644
index 0000000000..292a724f57
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/node.h
@@ -0,0 +1,173 @@
+#ifndef CMARK_NODE_H
+#define CMARK_NODE_H
+
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "cmark-gfm-extension_api.h"
+#include "buffer.h"
+#include "chunk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  cmark_list_type list_type;
+  int marker_offset;
+  int padding;
+  int start;
+  cmark_delim_type delimiter;
+  unsigned char bullet_char;
+  bool tight;
+  bool checked; // For task list extension
+} cmark_list;
+
+typedef struct {
+  cmark_chunk info;
+  cmark_chunk literal;
+  uint8_t fence_length;
+  uint8_t fence_offset;
+  unsigned char fence_char;
+  int8_t fenced;
+} cmark_code;
+
+typedef struct {
+  int level;
+  bool setext;
+} cmark_heading;
+
+typedef struct {
+  cmark_chunk url;
+  cmark_chunk title;
+} cmark_link;
+
+typedef struct {
+  cmark_chunk attributes;
+} cmark_attribute;
+
+typedef struct {
+  cmark_chunk on_enter;
+  cmark_chunk on_exit;
+} cmark_custom;
+
+enum cmark_node__internal_flags {
+  CMARK_NODE__OPEN = (1 << 0),
+  CMARK_NODE__LAST_LINE_BLANK = (1 << 1),
+  CMARK_NODE__LAST_LINE_CHECKED = (1 << 2),
+
+  // Extensions can register custom flags by calling `cmark_register_node_flag`.
+  // This is the starting value for the custom flags.
+  CMARK_NODE__REGISTER_FIRST = (1 << 3),
+};
+
+typedef uint16_t cmark_node_internal_flags;
+
+struct cmark_node {
+  cmark_strbuf content;
+
+  struct cmark_node *next;
+  struct cmark_node *prev;
+  struct cmark_node *parent;
+  struct cmark_node *first_child;
+  struct cmark_node *last_child;
+
+  void *user_data;
+  cmark_free_func user_data_free_func;
+
+  int start_line;
+  int start_column;
+  int end_line;
+  int end_column;
+  int internal_offset;
+  uint16_t type;
+  cmark_node_internal_flags flags;
+  int backtick_count;
+
+  cmark_syntax_extension *extension;
+
+  /**
+   * Used during cmark_render() to cache the most recent non-NULL
+   * extension, if you go up the parent chain like this:
+   *
+   * node->parent->...parent->extension
+   */
+  cmark_syntax_extension *ancestor_extension;
+
+  union {
+    int ref_ix;
+    int def_count;
+  } footnote;
+
+  cmark_node *parent_footnote_def;
+
+  union {
+    cmark_chunk literal;
+    cmark_list list;
+    cmark_code code;
+    cmark_heading heading;
+    cmark_link link;
+    cmark_attribute attribute;
+    cmark_custom custom;
+    int html_block_type;
+    void *opaque;
+  } as;
+};
+
+/**
+ * Syntax extensions can use this function to register a custom node
+ * flag. The flags are stored in the `flags` field of the `cmark_node`
+ * struct. The `flags` parameter should be the address of a global variable
+ * which will store the flag value.
+ */
+CMARK_GFM_EXPORT
+void cmark_register_node_flag(cmark_node_internal_flags *flags);
+
+/**
+ * DEPRECATED.
+ *
+ * This function was added in cmark-gfm version 0.29.0.gfm.7, and was
+ * required to be called at program start time, which caused
+ * backwards-compatibility issues in applications that use cmark-gfm as a
+ * library. It is now a no-op.
+ */
+CMARK_GFM_EXPORT
+void cmark_init_standard_node_flags(void);
+
+static inline cmark_mem *cmark_node_mem(cmark_node *node) {
+  return node->content.mem;
+}
+CMARK_GFM_EXPORT int cmark_node_check(cmark_node *node, FILE *out);
+
+static inline bool CMARK_NODE_TYPE_BLOCK_P(cmark_node_type node_type) {
+	return (node_type & CMARK_NODE_TYPE_MASK) == CMARK_NODE_TYPE_BLOCK;
+}
+
+static inline bool CMARK_NODE_BLOCK_P(cmark_node *node) {
+	return node != NULL && CMARK_NODE_TYPE_BLOCK_P((cmark_node_type) node->type);
+}
+
+static inline bool CMARK_NODE_TYPE_INLINE_P(cmark_node_type node_type) {
+	return (node_type & CMARK_NODE_TYPE_MASK) == CMARK_NODE_TYPE_INLINE;
+}
+
+static inline bool CMARK_NODE_INLINE_P(cmark_node *node) {
+	return node != NULL && CMARK_NODE_TYPE_INLINE_P((cmark_node_type) node->type);
+}
+
+CMARK_GFM_EXPORT bool cmark_node_can_contain_type(cmark_node *node, cmark_node_type child_type);
+
+/**
+ * Enable (or disable) extra safety checks. These extra checks cause
+ * extra performance overhead (in some cases quadratic), so they are only
+ * intended to be used during testing.
+ */
+CMARK_GFM_EXPORT void cmark_enable_safety_checks(bool enable);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/parser.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/parser.h
new file mode 100644
index 0000000000..e524bf73e1
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/parser.h
@@ -0,0 +1,65 @@
+#ifndef CMARK_PARSER_H
+#define CMARK_PARSER_H
+
+#include 
+#include 
+#include 
+
+#include "references.h"
+#include "node.h"
+#include "buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MAX_LINK_LABEL_LENGTH 1000
+
+struct cmark_parser {
+  struct cmark_mem *mem;
+  /* A hashtable of urls in the current document for cross-references */
+  struct cmark_map *refmap;
+  /* The root node of the parser, always a CMARK_NODE_DOCUMENT */
+  struct cmark_node *root;
+  /* The last open block after a line is fully processed */
+  struct cmark_node *current;
+  /* See the documentation for cmark_parser_get_line_number() in cmark.h */
+  int line_number;
+  /* See the documentation for cmark_parser_get_offset() in cmark.h */
+  bufsize_t offset;
+  /* See the documentation for cmark_parser_get_column() in cmark.h */
+  bufsize_t column;
+  /* See the documentation for cmark_parser_get_first_nonspace() in cmark.h */
+  bufsize_t first_nonspace;
+  /* See the documentation for cmark_parser_get_first_nonspace_column() in cmark.h */
+  bufsize_t first_nonspace_column;
+  bufsize_t thematic_break_kill_pos;
+  /* See the documentation for cmark_parser_get_indent() in cmark.h */
+  int indent;
+  /* See the documentation for cmark_parser_is_blank() in cmark.h */
+  bool blank;
+  /* See the documentation for cmark_parser_has_partially_consumed_tab() in cmark.h */
+  bool partially_consumed_tab;
+  /* Contains the currently processed line */
+  cmark_strbuf curline;
+  /* See the documentation for cmark_parser_get_last_line_length() in cmark.h */
+  bufsize_t last_line_length;
+  /* FIXME: not sure about the difference with curline */
+  cmark_strbuf linebuf;
+  /* Options set by the user, see the Options section in cmark.h */
+  int options;
+  bool last_buffer_ended_with_cr;
+  size_t total_size;
+  cmark_llist *syntax_extensions;
+  cmark_llist *inline_syntax_extensions;
+  cmark_ispunct_func backslash_ispunct;
+  /* used when parsing inlines, can be populated by extensions if any are loaded */
+  int8_t *skip_chars;
+  int8_t *special_chars;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/plugin.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/plugin.h
new file mode 100644
index 0000000000..75ef0b6c94
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/plugin.h
@@ -0,0 +1,34 @@
+#ifndef CMARK_PLUGIN_H
+#define CMARK_PLUGIN_H
+
+#include "cmark-gfm.h"
+#include "cmark-gfm-extension_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * cmark_plugin:
+ *
+ * A plugin structure, which should be filled by plugin's
+ * init functions.
+ */
+struct cmark_plugin {
+  cmark_llist *syntax_extensions;
+};
+
+cmark_llist *
+cmark_plugin_steal_syntax_extensions(cmark_plugin *plugin);
+
+cmark_plugin *
+cmark_plugin_new(void);
+
+void
+cmark_plugin_free(cmark_plugin *plugin);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/references.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/references.h
new file mode 100644
index 0000000000..03d985f82d
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/references.h
@@ -0,0 +1,32 @@
+#ifndef CMARK_REFERENCES_H
+#define CMARK_REFERENCES_H
+
+#include 
+
+#include "map.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct cmark_reference {
+  cmark_map_entry entry;
+  bool is_attributes_reference;
+  cmark_chunk url;
+  cmark_chunk title;
+  cmark_chunk attributes;
+};
+
+typedef struct cmark_reference cmark_reference;
+
+void cmark_reference_create(cmark_map *map, cmark_chunk *label,
+                            cmark_chunk *url, cmark_chunk *title);
+void cmark_reference_create_attributes(cmark_map *map, cmark_chunk *label,
+                                       cmark_chunk *attributes);
+cmark_map *cmark_reference_map_new(cmark_mem *mem);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/registry.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/registry.h
new file mode 100644
index 0000000000..1a1ad6dd75
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/registry.h
@@ -0,0 +1,24 @@
+#ifndef CMARK_REGISTRY_H
+#define CMARK_REGISTRY_H
+
+#include "cmark-gfm.h"
+#include "cmark-gfm-extension_api.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+CMARK_GFM_EXPORT
+void cmark_register_plugin(cmark_plugin_init_func reg_fn);
+
+CMARK_GFM_EXPORT
+void cmark_release_plugins(void);
+
+CMARK_GFM_EXPORT
+cmark_llist *cmark_list_syntax_extensions(cmark_mem *mem);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/render.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/render.h
new file mode 100644
index 0000000000..9b15e78b2d
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/render.h
@@ -0,0 +1,64 @@
+#ifndef CMARK_RENDER_H
+#define CMARK_RENDER_H
+
+#include 
+#include 
+
+#include "buffer.h"
+#include "chunk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum { LITERAL, NORMAL, TITLE, URL } cmark_escaping;
+
+struct cmark_renderer {
+  cmark_mem *mem;
+  cmark_strbuf *buffer;
+  cmark_strbuf *prefix;
+  int column;
+  int width;
+  int need_cr;
+  bufsize_t last_breakable;
+  bool begin_line;
+  bool begin_content;
+  bool no_linebreaks;
+  bool in_tight_list_item;
+  void (*outc)(struct cmark_renderer *, cmark_node *, cmark_escaping, int32_t, unsigned char);
+  void (*cr)(struct cmark_renderer *);
+  void (*blankline)(struct cmark_renderer *);
+  void (*out)(struct cmark_renderer *, cmark_node *, const char *, bool, cmark_escaping);
+  unsigned int footnote_ix;
+};
+
+typedef struct cmark_renderer cmark_renderer;
+
+struct cmark_html_renderer {
+  cmark_strbuf *html;
+  cmark_node *plain;
+  cmark_llist *filter_extensions;
+  unsigned int footnote_ix;
+  unsigned int written_footnote_ix;
+  void *opaque;
+};
+
+typedef struct cmark_html_renderer cmark_html_renderer;
+
+void cmark_render_ascii(cmark_renderer *renderer, const char *s);
+
+void cmark_render_code_point(cmark_renderer *renderer, uint32_t c);
+
+char *cmark_render(cmark_mem *mem, cmark_node *root, int options, int width,
+                   void (*outc)(cmark_renderer *, cmark_node *,
+                                cmark_escaping, int32_t,
+                                unsigned char),
+                   int (*render_node)(cmark_renderer *renderer,
+                                      cmark_node *node,
+                                      cmark_event_type ev_type, int options));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/scanners.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/scanners.h
new file mode 100644
index 0000000000..7e6a10aebd
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/scanners.h
@@ -0,0 +1,70 @@
+#ifndef CMARK_SCANNERS_H
+#define CMARK_SCANNERS_H
+
+#include "cmark-gfm.h"
+#include "chunk.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+bufsize_t _scan_at(bufsize_t (*scanner)(const unsigned char *), cmark_chunk *c,
+                   bufsize_t offset);
+bufsize_t _scan_scheme(const unsigned char *p);
+bufsize_t _scan_autolink_uri(const unsigned char *p);
+bufsize_t _scan_autolink_email(const unsigned char *p);
+bufsize_t _scan_html_tag(const unsigned char *p);
+bufsize_t _scan_liberal_html_tag(const unsigned char *p);
+bufsize_t _scan_html_comment(const unsigned char *p);
+bufsize_t _scan_html_pi(const unsigned char *p);
+bufsize_t _scan_html_declaration(const unsigned char *p);
+bufsize_t _scan_html_cdata(const unsigned char *p);
+bufsize_t _scan_html_block_start(const unsigned char *p);
+bufsize_t _scan_html_block_start_7(const unsigned char *p);
+bufsize_t _scan_html_block_end_1(const unsigned char *p);
+bufsize_t _scan_html_block_end_2(const unsigned char *p);
+bufsize_t _scan_html_block_end_3(const unsigned char *p);
+bufsize_t _scan_html_block_end_4(const unsigned char *p);
+bufsize_t _scan_html_block_end_5(const unsigned char *p);
+bufsize_t _scan_link_title(const unsigned char *p);
+bufsize_t _scan_spacechars(const unsigned char *p);
+bufsize_t _scan_atx_heading_start(const unsigned char *p);
+bufsize_t _scan_setext_heading_line(const unsigned char *p);
+bufsize_t _scan_open_code_fence(const unsigned char *p);
+bufsize_t _scan_close_code_fence(const unsigned char *p);
+bufsize_t _scan_entity(const unsigned char *p);
+bufsize_t _scan_dangerous_url(const unsigned char *p);
+bufsize_t _scan_footnote_definition(const unsigned char *p);
+
+#define scan_scheme(c, n) _scan_at(&_scan_scheme, c, n)
+#define scan_autolink_uri(c, n) _scan_at(&_scan_autolink_uri, c, n)
+#define scan_autolink_email(c, n) _scan_at(&_scan_autolink_email, c, n)
+#define scan_html_tag(c, n) _scan_at(&_scan_html_tag, c, n)
+#define scan_liberal_html_tag(c, n) _scan_at(&_scan_liberal_html_tag, c, n)
+#define scan_html_comment(c, n) _scan_at(&_scan_html_comment, c, n)
+#define scan_html_pi(c, n) _scan_at(&_scan_html_pi, c, n)
+#define scan_html_declaration(c, n) _scan_at(&_scan_html_declaration, c, n)
+#define scan_html_cdata(c, n) _scan_at(&_scan_html_cdata, c, n)
+#define scan_html_block_start(c, n) _scan_at(&_scan_html_block_start, c, n)
+#define scan_html_block_start_7(c, n) _scan_at(&_scan_html_block_start_7, c, n)
+#define scan_html_block_end_1(c, n) _scan_at(&_scan_html_block_end_1, c, n)
+#define scan_html_block_end_2(c, n) _scan_at(&_scan_html_block_end_2, c, n)
+#define scan_html_block_end_3(c, n) _scan_at(&_scan_html_block_end_3, c, n)
+#define scan_html_block_end_4(c, n) _scan_at(&_scan_html_block_end_4, c, n)
+#define scan_html_block_end_5(c, n) _scan_at(&_scan_html_block_end_5, c, n)
+#define scan_link_title(c, n) _scan_at(&_scan_link_title, c, n)
+#define scan_spacechars(c, n) _scan_at(&_scan_spacechars, c, n)
+#define scan_atx_heading_start(c, n) _scan_at(&_scan_atx_heading_start, c, n)
+#define scan_setext_heading_line(c, n)                                         \
+  _scan_at(&_scan_setext_heading_line, c, n)
+#define scan_open_code_fence(c, n) _scan_at(&_scan_open_code_fence, c, n)
+#define scan_close_code_fence(c, n) _scan_at(&_scan_close_code_fence, c, n)
+#define scan_entity(c, n) _scan_at(&_scan_entity, c, n)
+#define scan_dangerous_url(c, n) _scan_at(&_scan_dangerous_url, c, n)
+#define scan_footnote_definition(c, n) _scan_at(&_scan_footnote_definition, c, n)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/syntax_extension.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/syntax_extension.h
new file mode 100644
index 0000000000..de8d3d62a7
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/syntax_extension.h
@@ -0,0 +1,35 @@
+#ifndef CMARK_SYNTAX_EXTENSION_H
+#define CMARK_SYNTAX_EXTENSION_H
+
+#include "cmark-gfm.h"
+#include "cmark-gfm-extension_api.h"
+
+#include 
+
+struct cmark_syntax_extension {
+  cmark_match_block_func          last_block_matches;
+  cmark_open_block_func           try_opening_block;
+  cmark_match_inline_func         match_inline;
+  cmark_inline_from_delim_func    insert_inline_from_delim;
+  cmark_llist                   * special_inline_chars;
+  char                          * name;
+  void                          * priv;
+  bool                            emphasis;
+  cmark_free_func                 free_function;
+  cmark_get_type_string_func      get_type_string_func;
+  cmark_can_contain_func          can_contain_func;
+  cmark_contains_inlines_func     contains_inlines_func;
+  cmark_common_render_func        commonmark_render_func;
+  cmark_common_render_func        plaintext_render_func;
+  cmark_common_render_func        latex_render_func;
+  cmark_xml_attr_func             xml_attr_func;
+  cmark_common_render_func        man_render_func;
+  cmark_html_render_func          html_render_func;
+  cmark_html_filter_func          html_filter_func;
+  cmark_postprocess_func          postprocess_func;
+  cmark_opaque_alloc_func         opaque_alloc_func;
+  cmark_opaque_free_func          opaque_free_func;
+  cmark_commonmark_escape_func    commonmark_escape_func;
+};
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/utf8.h b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/utf8.h
new file mode 100644
index 0000000000..04ec1611b8
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/include/utf8.h
@@ -0,0 +1,35 @@
+#ifndef CMARK_UTF8_H
+#define CMARK_UTF8_H
+
+#include 
+#include "buffer.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+CMARK_GFM_EXPORT
+void cmark_utf8proc_case_fold(cmark_strbuf *dest, const uint8_t *str,
+                              bufsize_t len);
+
+CMARK_GFM_EXPORT
+void cmark_utf8proc_encode_char(int32_t uc, cmark_strbuf *buf);
+
+CMARK_GFM_EXPORT
+int cmark_utf8proc_iterate(const uint8_t *str, bufsize_t str_len, int32_t *dst);
+
+CMARK_GFM_EXPORT
+void cmark_utf8proc_check(cmark_strbuf *dest, const uint8_t *line,
+                          bufsize_t size);
+
+CMARK_GFM_EXPORT
+int cmark_utf8proc_is_space(int32_t uc);
+
+CMARK_GFM_EXPORT
+int cmark_utf8proc_is_punctuation(int32_t uc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/inlines.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/inlines.c
new file mode 100644
index 0000000000..6e51feb0c1
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/inlines.c
@@ -0,0 +1,2016 @@
+#include 
+#include 
+#include 
+#include 
+
+#include "cmark_ctype.h"
+#include "node.h"
+#include "parser.h"
+#include "references.h"
+#include "cmark-gfm.h"
+#include "houdini.h"
+#include "utf8.h"
+#include "scanners.h"
+#include "inlines.h"
+#include "syntax_extension.h"
+
+static const char *EMDASH = "\xE2\x80\x94";
+static const char *ENDASH = "\xE2\x80\x93";
+static const char *ELLIPSES = "\xE2\x80\xA6";
+static const char *LEFTDOUBLEQUOTE = "\xE2\x80\x9C";
+static const char *RIGHTDOUBLEQUOTE = "\xE2\x80\x9D";
+static const char *LEFTSINGLEQUOTE = "\xE2\x80\x98";
+static const char *RIGHTSINGLEQUOTE = "\xE2\x80\x99";
+
+// Macros for creating various kinds of simple.
+#define make_str(subj, sc, ec, s) make_literal(subj, CMARK_NODE_TEXT, sc, ec, s)
+#define make_code(subj, sc, ec, s) make_literal(subj, CMARK_NODE_CODE, sc, ec, s)
+#define make_raw_html(subj, sc, ec, s) make_literal(subj, CMARK_NODE_HTML_INLINE, sc, ec, s)
+#define make_linebreak(mem) make_simple(mem, CMARK_NODE_LINEBREAK)
+#define make_softbreak(mem) make_simple(mem, CMARK_NODE_SOFTBREAK)
+#define make_emph(mem) make_simple(mem, CMARK_NODE_EMPH)
+#define make_strong(mem) make_simple(mem, CMARK_NODE_STRONG)
+
+#define MAXBACKTICKS 80
+
+typedef enum {
+  LINK,
+  IMAGE,
+  ATTRIBUTE
+} bracket_type;
+
+typedef struct bracket {
+  struct bracket *previous;
+  cmark_node *inl_text;
+  bufsize_t position;
+  bracket_type type;
+  bool active;
+  bool bracket_after;
+  bool in_bracket[4];
+} bracket;
+
+#define FLAG_SKIP_HTML_CDATA        (1u << 0)
+#define FLAG_SKIP_HTML_DECLARATION  (1u << 1)
+#define FLAG_SKIP_HTML_PI           (1u << 2)
+#define FLAG_SKIP_HTML_COMMENT      (1u << 3)
+
+typedef struct subject{
+  cmark_mem *mem;
+  cmark_chunk input;
+  unsigned flags;
+  int line;
+  bufsize_t pos;
+  int block_offset;
+  int column_offset;
+  cmark_map *refmap;
+  delimiter *last_delim;
+  bracket *last_bracket;
+  bufsize_t backticks[MAXBACKTICKS + 1];
+  bool scanned_for_backticks;
+  bool no_link_openers;
+} subject;
+
+void cmark_set_default_skip_chars(int8_t **skip_chars, bool use_memcpy) {
+  static int8_t default_skip_chars[256];
+
+  if (use_memcpy)
+    memcpy(*skip_chars, &default_skip_chars, 256);
+  else
+    *skip_chars = default_skip_chars;
+}
+
+static inline bool S_is_line_end_char(char c) {
+  return (c == '\n' || c == '\r');
+}
+
+static delimiter *S_insert_emph(subject *subj, delimiter *opener,
+                                delimiter *closer);
+
+static int parse_inline(cmark_parser *parser, subject *subj, cmark_node *parent, int options);
+
+static void subject_from_buf(cmark_mem *mem, int line_number, int block_offset, subject *e,
+                             cmark_chunk *buffer, cmark_map *refmap);
+static bufsize_t subject_find_special_char(cmark_parser *parser, subject *subj, int options);
+
+// Create an inline with a literal string value.
+static inline cmark_node *make_literal(subject *subj, cmark_node_type t,
+                                       int start_column, int end_column,
+                                       cmark_chunk s) {
+  cmark_node *e = (cmark_node *)subj->mem->calloc(1, sizeof(*e));
+  cmark_strbuf_init(subj->mem, &e->content, 0);
+  e->type = (uint16_t)t;
+  e->as.literal = s;
+  e->start_line = e->end_line = subj->line;
+  // columns are 1 based.
+  e->start_column = start_column + 1 + subj->column_offset + subj->block_offset;
+  e->end_column = end_column + 1 + subj->column_offset + subj->block_offset;
+  return e;
+}
+
+// Create an inline with no value.
+static inline cmark_node *make_simple(cmark_mem *mem, cmark_node_type t) {
+  cmark_node *e = (cmark_node *)mem->calloc(1, sizeof(*e));
+  cmark_strbuf_init(mem, &e->content, 0);
+  e->type = (uint16_t)t;
+  return e;
+}
+
+// Like make_str, but parses entities.
+static cmark_node *make_str_with_entities(subject *subj,
+                                          int start_column, int end_column,
+                                          cmark_chunk *content) {
+  cmark_strbuf unescaped = CMARK_BUF_INIT(subj->mem);
+
+  if (houdini_unescape_html(&unescaped, content->data, content->len)) {
+    return make_str(subj, start_column, end_column, cmark_chunk_buf_detach(&unescaped));
+  } else {
+    return make_str(subj, start_column, end_column, *content);
+  }
+}
+
+// Like cmark_node_append_child but without costly sanity checks.
+// Assumes that child was newly created.
+static void append_child(cmark_node *node, cmark_node *child) {
+  cmark_node *old_last_child = node->last_child;
+
+  child->next = NULL;
+  child->prev = old_last_child;
+  child->parent = node;
+  node->last_child = child;
+
+  if (old_last_child) {
+    old_last_child->next = child;
+  } else {
+    // Also set first_child if node previously had no children.
+    node->first_child = child;
+  }
+}
+
+// Duplicate a chunk by creating a copy of the buffer not by reusing the
+// buffer like cmark_chunk_dup does.
+static cmark_chunk chunk_clone(cmark_mem *mem, cmark_chunk *src) {
+  cmark_chunk c;
+  bufsize_t len = src->len;
+
+  c.len = len;
+  c.data = (unsigned char *)mem->calloc(len + 1, 1);
+  c.alloc = 1;
+  if (len)
+    memcpy(c.data, src->data, len);
+  c.data[len] = '\0';
+
+  return c;
+}
+
+static cmark_chunk cmark_clean_autolink(cmark_mem *mem, cmark_chunk *url,
+                                        int is_email) {
+  cmark_strbuf buf = CMARK_BUF_INIT(mem);
+
+  cmark_chunk_trim(url);
+
+  if (url->len == 0) {
+    cmark_chunk result = CMARK_CHUNK_EMPTY;
+    return result;
+  }
+
+  if (is_email)
+    cmark_strbuf_puts(&buf, "mailto:");
+
+  houdini_unescape_html_f(&buf, url->data, url->len);
+  return cmark_chunk_buf_detach(&buf);
+}
+
+static inline cmark_node *make_autolink(subject *subj, int start_column,
+                                        int end_column, cmark_chunk url,
+                                        int is_email) {
+  cmark_node *link = make_simple(subj->mem, CMARK_NODE_LINK);
+  link->as.link.url = cmark_clean_autolink(subj->mem, &url, is_email);
+  link->as.link.title = cmark_chunk_literal("");
+  link->start_line = link->end_line = subj->line;
+  link->start_column = start_column + 1 + subj->column_offset + subj->block_offset;
+  link->end_column = end_column + 1 + subj->column_offset + subj->block_offset;
+  append_child(link, make_str_with_entities(subj, start_column + 1, end_column - 1, &url));
+  return link;
+}
+
+static void subject_from_buf(cmark_mem *mem, int line_number, int block_offset, subject *e,
+                             cmark_chunk *chunk, cmark_map *refmap) {
+  int i;
+  e->mem = mem;
+  e->input = *chunk;
+  e->flags = 0;
+  e->line = line_number;
+  e->pos = 0;
+  e->block_offset = block_offset;
+  e->column_offset = 0;
+  e->refmap = refmap;
+  e->last_delim = NULL;
+  e->last_bracket = NULL;
+  for (i = 0; i <= MAXBACKTICKS; i++) {
+    e->backticks[i] = 0;
+  }
+  e->scanned_for_backticks = false;
+  e->no_link_openers = true;
+}
+
+static inline int isbacktick(int c) { return (c == '`'); }
+
+static inline unsigned char peek_char_n(subject *subj, bufsize_t n) {
+  // NULL bytes should have been stripped out by now.  If they're
+  // present, it's a programming error:
+  assert(!(subj->pos + n < subj->input.len && subj->input.data[subj->pos + n] == 0));
+  return (subj->pos + n < subj->input.len) ? subj->input.data[subj->pos + n] : 0;
+}
+
+static inline unsigned char peek_char(subject *subj) {
+  return peek_char_n(subj, 0);
+}
+
+static inline unsigned char peek_at(subject *subj, bufsize_t pos) {
+  return subj->input.data[pos];
+}
+
+// Return true if there are more characters in the subject.
+static inline int is_eof(subject *subj) {
+  return (subj->pos >= subj->input.len);
+}
+
+// Advance the subject.  Doesn't check for eof.
+#define advance(subj) (subj)->pos += 1
+
+static inline bool skip_spaces(subject *subj) {
+  bool skipped = false;
+  while (peek_char(subj) == ' ' || peek_char(subj) == '\t') {
+    advance(subj);
+    skipped = true;
+  }
+  return skipped;
+}
+
+static inline bool skip_line_end(subject *subj) {
+  bool seen_line_end_char = false;
+  if (peek_char(subj) == '\r') {
+    advance(subj);
+    seen_line_end_char = true;
+  }
+  if (peek_char(subj) == '\n') {
+    advance(subj);
+    seen_line_end_char = true;
+  }
+  return seen_line_end_char || is_eof(subj);
+}
+
+// Take characters while a predicate holds, and return a string.
+static inline cmark_chunk take_while(subject *subj, int (*f)(int)) {
+  unsigned char c;
+  bufsize_t startpos = subj->pos;
+  bufsize_t len = 0;
+
+  while ((c = peek_char(subj)) && (*f)(c)) {
+    advance(subj);
+    len++;
+  }
+
+  return cmark_chunk_dup(&subj->input, startpos, len);
+}
+
+// Return the number of newlines in a given span of text in a subject.  If
+// the number is greater than zero, also return the number of characters
+// between the last newline and the end of the span in `since_newline`.
+static int count_newlines(subject *subj, bufsize_t from, bufsize_t len, int *since_newline) {
+  int nls = 0;
+  int since_nl = 0;
+
+  while (len--) {
+    if (subj->input.data[from++] == '\n') {
+      ++nls;
+      since_nl = 0;
+    } else {
+      ++since_nl;
+    }
+  }
+
+  if (!nls)
+    return 0;
+
+  *since_newline = since_nl;
+  return nls;
+}
+
+// Adjust `node`'s `end_line`, `end_column`, and `subj`'s `line` and
+// `column_offset` according to the number of newlines in a just-matched span
+// of text in `subj`.
+static void adjust_subj_node_newlines(subject *subj, cmark_node *node, int matchlen, int extra, int options) {
+  if (!(options & CMARK_OPT_SOURCEPOS)) {
+    return;
+  }
+
+  int since_newline;
+  int newlines = count_newlines(subj, subj->pos - matchlen - extra, matchlen, &since_newline);
+  if (newlines) {
+    subj->line += newlines;
+    node->end_line += newlines;
+    node->end_column = since_newline;
+    subj->column_offset = -subj->pos + since_newline + extra;
+  }
+}
+
+// Try to process a backtick code span that began with a
+// span of ticks of length openticklength length (already
+// parsed).  Return 0 if you don't find matching closing
+// backticks, otherwise return the position in the subject
+// after the closing backticks.
+static bufsize_t scan_to_closing_backticks(subject *subj,
+                                           bufsize_t openticklength) {
+
+  bool found = false;
+  if (openticklength > MAXBACKTICKS) {
+    // we limit backtick string length because of the array subj->backticks:
+    return 0;
+  }
+  if (subj->scanned_for_backticks &&
+      subj->backticks[openticklength] <= subj->pos) {
+    // return if we already know there's no closer
+    return 0;
+  }
+  while (!found) {
+    // read non backticks
+    unsigned char c;
+    while ((c = peek_char(subj)) && c != '`') {
+      advance(subj);
+    }
+    if (is_eof(subj)) {
+      break;
+    }
+    bufsize_t numticks = 0;
+    while (peek_char(subj) == '`') {
+      advance(subj);
+      numticks++;
+    }
+    // store position of ender
+    if (numticks <= MAXBACKTICKS) {
+      subj->backticks[numticks] = subj->pos - numticks;
+    }
+    if (numticks == openticklength) {
+      return (subj->pos);
+    }
+  }
+  // got through whole input without finding closer
+  subj->scanned_for_backticks = true;
+  return 0;
+}
+
+// Destructively modify string, converting newlines to
+// spaces, then removing a single leading + trailing space,
+// unless the code span consists entirely of space characters.
+static void S_normalize_code(cmark_strbuf *s) {
+  bufsize_t r, w;
+  bool contains_nonspace = false;
+
+  for (r = 0, w = 0; r < s->size; ++r) {
+    switch (s->ptr[r]) {
+    case '\r':
+      if (s->ptr[r + 1] != '\n') {
+	s->ptr[w++] = ' ';
+      }
+      break;
+    case '\n':
+      s->ptr[w++] = ' ';
+      break;
+    default:
+      s->ptr[w++] = s->ptr[r];
+    }
+    if (s->ptr[r] != ' ') {
+      contains_nonspace = true;
+    }
+  }
+
+  // begins and ends with space?
+  if (contains_nonspace &&
+      s->ptr[0] == ' ' && s->ptr[w - 1] == ' ') {
+    cmark_strbuf_drop(s, 1);
+    cmark_strbuf_truncate(s, w - 2);
+  } else {
+    cmark_strbuf_truncate(s, w);
+  }
+
+}
+
+
+// Parse backtick code section or raw backticks, return an inline.
+// Assumes that the subject has a backtick at the current position.
+static cmark_node *handle_backticks(subject *subj, int options) {
+  bufsize_t initpos = subj->pos;
+  cmark_chunk openticks = take_while(subj, isbacktick);
+  bufsize_t startpos = subj->pos;
+  bufsize_t endpos = scan_to_closing_backticks(subj, openticks.len);
+
+  if (endpos == 0) {      // not found
+    subj->pos = startpos; // rewind
+    return make_str(subj, initpos, initpos + openticks.len - 1, openticks);
+  } else {
+    cmark_strbuf buf = CMARK_BUF_INIT(subj->mem);
+
+    cmark_strbuf_set(&buf, subj->input.data + startpos,
+                     endpos - startpos - openticks.len);
+    S_normalize_code(&buf);
+
+    cmark_node *node = make_code(subj, startpos, endpos - openticks.len - 1, cmark_chunk_buf_detach(&buf));
+    node->backtick_count = openticks.len;
+    adjust_subj_node_newlines(subj, node, endpos - startpos, openticks.len, options);
+    return node;
+  }
+}
+
+
+// Scan ***, **, or * and return number scanned, or 0.
+// Advances position.
+static int scan_delims(cmark_parser *parser, subject *subj, unsigned char c,
+                       bool *can_open, bool *can_close) {
+  int numdelims = 0;
+  bufsize_t before_char_pos, after_char_pos;
+  int32_t after_char = 0;
+  int32_t before_char = 0;
+  int len;
+  bool left_flanking, right_flanking;
+
+  if (subj->pos == 0) {
+    before_char = 10;
+  } else {
+    before_char_pos = subj->pos - 1;
+
+    // walk back to the beginning of the UTF_8 sequence:
+    while ((peek_at(subj, before_char_pos) >> 6 == 2 || parser->skip_chars[peek_at(subj, before_char_pos)]) && before_char_pos > 0) {
+      before_char_pos -= 1;
+    }
+    len = cmark_utf8proc_iterate(subj->input.data + before_char_pos,
+                                 subj->pos - before_char_pos, &before_char);
+    if (len == -1 || (before_char < 256 && parser->skip_chars[(unsigned char) before_char])) {
+      before_char = 10;
+    }
+  }
+
+  if (c == '\'' || c == '"') {
+    numdelims++;
+    advance(subj); // limit to 1 delim for quotes
+  } else {
+    while (peek_char(subj) == c) {
+      numdelims++;
+      advance(subj);
+    }
+  }
+
+  if (subj->pos == subj->input.len) {
+    after_char = 10;
+  } else {
+    after_char_pos = subj->pos;
+
+    while (parser->skip_chars[peek_at(subj, after_char_pos)] && after_char_pos < subj->input.len) {
+      after_char_pos += 1;
+    }
+    len = cmark_utf8proc_iterate(subj->input.data + after_char_pos,
+                                 subj->input.len - after_char_pos, &after_char);
+    if (len == -1 || (after_char < 256 && parser->skip_chars[(unsigned char) after_char])) {
+      after_char = 10;
+    }
+  }
+
+  left_flanking = numdelims > 0 && !cmark_utf8proc_is_space(after_char) &&
+                  (!cmark_utf8proc_is_punctuation(after_char) ||
+                   cmark_utf8proc_is_space(before_char) ||
+                   cmark_utf8proc_is_punctuation(before_char));
+  right_flanking = numdelims > 0 && !cmark_utf8proc_is_space(before_char) &&
+                   (!cmark_utf8proc_is_punctuation(before_char) ||
+                    cmark_utf8proc_is_space(after_char) ||
+                    cmark_utf8proc_is_punctuation(after_char));
+  if (c == '_') {
+    *can_open = left_flanking &&
+                (!right_flanking || cmark_utf8proc_is_punctuation(before_char));
+    *can_close = right_flanking &&
+                 (!left_flanking || cmark_utf8proc_is_punctuation(after_char));
+  } else if (c == '\'' || c == '"') {
+    *can_open = left_flanking && !right_flanking &&
+	         before_char != ']' && before_char != ')';
+    *can_close = right_flanking;
+  } else {
+    *can_open = left_flanking;
+    *can_close = right_flanking;
+  }
+  return numdelims;
+}
+
+/*
+static void print_delimiters(subject *subj)
+{
+        delimiter *delim;
+        delim = subj->last_delim;
+        while (delim != NULL) {
+                printf("Item at stack pos %p: %d %d %d next(%p) prev(%p)\n",
+                       (void*)delim, delim->delim_char,
+                       delim->can_open, delim->can_close,
+                       (void*)delim->next, (void*)delim->previous);
+                delim = delim->previous;
+        }
+}
+*/
+
+static void remove_delimiter(subject *subj, delimiter *delim) {
+  if (delim == NULL)
+    return;
+  if (delim->next == NULL) {
+    // end of list:
+    assert(delim == subj->last_delim);
+    subj->last_delim = delim->previous;
+  } else {
+    delim->next->previous = delim->previous;
+  }
+  if (delim->previous != NULL) {
+    delim->previous->next = delim->next;
+  }
+  subj->mem->free(delim);
+}
+
+static void pop_bracket(subject *subj) {
+  bracket *b;
+  if (subj->last_bracket == NULL)
+    return;
+  b = subj->last_bracket;
+  subj->last_bracket = subj->last_bracket->previous;
+  subj->mem->free(b);
+}
+
+static void push_delimiter(subject *subj, unsigned char c, bool can_open,
+                           bool can_close, cmark_node *inl_text) {
+  delimiter *delim = (delimiter *)subj->mem->calloc(1, sizeof(delimiter));
+  delim->delim_char = c;
+  delim->can_open = can_open;
+  delim->can_close = can_close;
+  delim->inl_text = inl_text;
+  delim->position = subj->pos;
+  delim->length = inl_text->as.literal.len;
+  delim->previous = subj->last_delim;
+  delim->next = NULL;
+  if (delim->previous != NULL) {
+    delim->previous->next = delim;
+  }
+  subj->last_delim = delim;
+}
+
+static void push_bracket(subject *subj, bracket_type type, cmark_node *inl_text) {
+  bracket *b = (bracket *)subj->mem->calloc(1, sizeof(bracket));
+  if (subj->last_bracket != NULL) {
+    subj->last_bracket->bracket_after = true;
+    memcpy(b->in_bracket, subj->last_bracket->in_bracket, sizeof(b->in_bracket));
+  }
+  b->type = type;
+  b->active = true;
+  b->inl_text = inl_text;
+  b->previous = subj->last_bracket;
+  b->position = subj->pos;
+  b->bracket_after = false;
+  b->in_bracket[type] = true;
+  subj->last_bracket = b;
+  if (type != IMAGE) {
+    subj->no_link_openers = false;
+  }
+}
+
+// Assumes the subject has a c at the current position.
+static cmark_node *handle_delim(cmark_parser *parser, subject *subj, unsigned char c, bool smart) {
+  bufsize_t numdelims;
+  cmark_node *inl_text;
+  bool can_open, can_close;
+  cmark_chunk contents;
+
+  numdelims = scan_delims(parser, subj, c, &can_open, &can_close);
+
+  if (c == '\'' && smart) {
+    contents = cmark_chunk_literal(RIGHTSINGLEQUOTE);
+  } else if (c == '"' && smart) {
+    contents =
+        cmark_chunk_literal(can_close ? RIGHTDOUBLEQUOTE : LEFTDOUBLEQUOTE);
+  } else {
+    contents = cmark_chunk_dup(&subj->input, subj->pos - numdelims, numdelims);
+  }
+
+  inl_text = make_str(subj, subj->pos - numdelims, subj->pos - 1, contents);
+
+  if ((can_open || can_close) && (!(c == '\'' || c == '"') || smart)) {
+    push_delimiter(subj, c, can_open, can_close, inl_text);
+  }
+
+  return inl_text;
+}
+
+// Assumes we have a hyphen at the current position.
+static cmark_node *handle_hyphen(subject *subj, bool smart) {
+  int startpos = subj->pos;
+
+  advance(subj);
+
+  if (!smart || peek_char(subj) != '-') {
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("-"));
+  }
+
+  while (smart && peek_char(subj) == '-') {
+    advance(subj);
+  }
+
+  int numhyphens = subj->pos - startpos;
+  int en_count = 0;
+  int em_count = 0;
+  int i;
+  cmark_strbuf buf = CMARK_BUF_INIT(subj->mem);
+
+  if (numhyphens % 3 == 0) { // if divisible by 3, use all em dashes
+    em_count = numhyphens / 3;
+  } else if (numhyphens % 2 == 0) { // if divisible by 2, use all en dashes
+    en_count = numhyphens / 2;
+  } else if (numhyphens % 3 == 2) { // use one en dash at end
+    en_count = 1;
+    em_count = (numhyphens - 2) / 3;
+  } else { // use two en dashes at the end
+    en_count = 2;
+    em_count = (numhyphens - 4) / 3;
+  }
+
+  for (i = em_count; i > 0; i--) {
+    cmark_strbuf_puts(&buf, EMDASH);
+  }
+
+  for (i = en_count; i > 0; i--) {
+    cmark_strbuf_puts(&buf, ENDASH);
+  }
+
+  return make_str(subj, startpos, subj->pos - 1, cmark_chunk_buf_detach(&buf));
+}
+
+// Assumes we have a period at the current position.
+static cmark_node *handle_period(subject *subj, bool smart) {
+  advance(subj);
+  if (smart && peek_char(subj) == '.') {
+    advance(subj);
+    if (peek_char(subj) == '.') {
+      advance(subj);
+      return make_str(subj, subj->pos - 3, subj->pos - 1, cmark_chunk_literal(ELLIPSES));
+    } else {
+      return make_str(subj, subj->pos - 2, subj->pos - 1, cmark_chunk_literal(".."));
+    }
+  } else {
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("."));
+  }
+}
+
+static cmark_syntax_extension *get_extension_for_special_char(cmark_parser *parser, unsigned char c) {
+  cmark_llist *tmp_ext;
+
+  for (tmp_ext = parser->inline_syntax_extensions; tmp_ext; tmp_ext=tmp_ext->next) {
+    cmark_syntax_extension *ext = (cmark_syntax_extension *) tmp_ext->data;
+    cmark_llist *tmp_char;
+    for (tmp_char = ext->special_inline_chars; tmp_char; tmp_char=tmp_char->next) {
+      unsigned char tmp_c = (unsigned char)(size_t)tmp_char->data;
+
+      if (tmp_c == c) {
+        return ext;
+      }
+    }
+  }
+
+  return NULL;
+}
+
+static void process_emphasis(cmark_parser *parser, subject *subj, bufsize_t stack_bottom) {
+  delimiter *candidate;
+  delimiter *closer = NULL;
+  delimiter *opener;
+  delimiter *old_closer;
+  bool opener_found;
+  bufsize_t openers_bottom[3][128];
+  int i;
+
+  // initialize openers_bottom:
+  memset(&openers_bottom, 0, sizeof(openers_bottom));
+  for (i=0; i < 3; i++) {
+    openers_bottom[i]['*'] = stack_bottom;
+    openers_bottom[i]['_'] = stack_bottom;
+    openers_bottom[i]['\''] = stack_bottom;
+    openers_bottom[i]['"'] = stack_bottom;
+  }
+
+  // move back to first relevant delim.
+  candidate = subj->last_delim;
+  while (candidate != NULL && candidate->position >= stack_bottom) {
+    closer = candidate;
+    candidate = candidate->previous;
+  }
+
+  // now move forward, looking for closers, and handling each
+  while (closer != NULL) {
+    cmark_syntax_extension *extension = get_extension_for_special_char(parser, closer->delim_char);
+    if (closer->can_close) {
+      // Now look backwards for first matching opener:
+      opener = closer->previous;
+      opener_found = false;
+      while (opener != NULL && opener->position >= stack_bottom &&
+             opener->position >= openers_bottom[closer->length % 3][closer->delim_char]) {
+        if (opener->can_open && opener->delim_char == closer->delim_char) {
+          // interior closer of size 2 can't match opener of size 1
+          // or of size 1 can't match 2
+          if (!(closer->can_open || opener->can_close) ||
+	      closer->length % 3 == 0 ||
+              (opener->length + closer->length) % 3 != 0) {
+            opener_found = true;
+            break;
+          }
+        }
+        opener = opener->previous;
+      }
+      old_closer = closer;
+
+      if (extension) {
+        if (opener_found)
+          closer = extension->insert_inline_from_delim(extension, parser, subj, opener, closer);
+        else
+          closer = closer->next;
+      } else if (closer->delim_char == '*' || closer->delim_char == '_') {
+        if (opener_found) {
+          closer = S_insert_emph(subj, opener, closer);
+        } else {
+          closer = closer->next;
+        }
+      } else if (closer->delim_char == '\'' || closer->delim_char == '"') {
+        cmark_chunk_free(subj->mem, &closer->inl_text->as.literal);
+        if (closer->delim_char == '\'') {
+          closer->inl_text->as.literal = cmark_chunk_literal(RIGHTSINGLEQUOTE);
+        } else {
+          closer->inl_text->as.literal = cmark_chunk_literal(RIGHTDOUBLEQUOTE);
+        }
+        closer = closer->next;
+        if (opener_found) {
+          cmark_chunk_free(subj->mem, &opener->inl_text->as.literal);
+          if (old_closer->delim_char == '\'') {
+            opener->inl_text->as.literal = cmark_chunk_literal(LEFTSINGLEQUOTE);
+          } else {
+            opener->inl_text->as.literal = cmark_chunk_literal(LEFTDOUBLEQUOTE);
+          }
+          remove_delimiter(subj, opener);
+          remove_delimiter(subj, old_closer);
+        }
+      }
+      if (!opener_found) {
+        // set lower bound for future searches for openers
+        openers_bottom[old_closer->length % 3][old_closer->delim_char] =
+                old_closer->position;
+        if (!old_closer->can_open) {
+          // we can remove a closer that can't be an
+          // opener, once we've seen there's no
+          // matching opener:
+          remove_delimiter(subj, old_closer);
+        }
+      }
+    } else {
+      closer = closer->next;
+    }
+  }
+  // free all delimiters in list until stack_bottom:
+  while (subj->last_delim != NULL &&
+         subj->last_delim->position >= stack_bottom) {
+    remove_delimiter(subj, subj->last_delim);
+  }
+}
+
+static delimiter *S_insert_emph(subject *subj, delimiter *opener,
+                                delimiter *closer) {
+  delimiter *delim, *tmp_delim;
+  bufsize_t use_delims;
+  cmark_node *opener_inl = opener->inl_text;
+  cmark_node *closer_inl = closer->inl_text;
+  bufsize_t opener_num_chars = opener_inl->as.literal.len;
+  bufsize_t closer_num_chars = closer_inl->as.literal.len;
+  cmark_node *tmp, *tmpnext, *emph;
+
+  // calculate the actual number of characters used from this closer
+  use_delims = (closer_num_chars >= 2 && opener_num_chars >= 2) ? 2 : 1;
+
+  // remove used characters from associated inlines.
+  opener_num_chars -= use_delims;
+  closer_num_chars -= use_delims;
+  opener_inl->as.literal.len = opener_num_chars;
+  closer_inl->as.literal.len = closer_num_chars;
+
+  // free delimiters between opener and closer
+  delim = closer->previous;
+  while (delim != NULL && delim != opener) {
+    tmp_delim = delim->previous;
+    remove_delimiter(subj, delim);
+    delim = tmp_delim;
+  }
+
+  // create new emph or strong, and splice it in to our inlines
+  // between the opener and closer
+  emph = use_delims == 1 ? make_emph(subj->mem) : make_strong(subj->mem);
+
+  tmp = opener_inl->next;
+  while (tmp && tmp != closer_inl) {
+    tmpnext = tmp->next;
+    cmark_node_unlink(tmp);
+    append_child(emph, tmp);
+    tmp = tmpnext;
+  }
+  cmark_node_insert_after(opener_inl, emph);
+
+  emph->start_line = opener_inl->start_line;
+  emph->end_line = closer_inl->end_line;
+  emph->start_column = opener_inl->start_column;
+  emph->end_column = closer_inl->end_column;
+
+  // if opener has 0 characters, remove it and its associated inline
+  if (opener_num_chars == 0) {
+    cmark_node_free(opener_inl);
+    remove_delimiter(subj, opener);
+  }
+
+  // if closer has 0 characters, remove it and its associated inline
+  if (closer_num_chars == 0) {
+    // remove empty closer inline
+    cmark_node_free(closer_inl);
+    // remove closer from list
+    tmp_delim = closer->next;
+    remove_delimiter(subj, closer);
+    closer = tmp_delim;
+  }
+
+  return closer;
+}
+
+// Parse backslash-escape or just a backslash, returning an inline.
+static cmark_node *handle_backslash(cmark_parser *parser, subject *subj) {
+  advance(subj);
+  unsigned char nextchar = peek_char(subj);
+  if ((parser->backslash_ispunct ? parser->backslash_ispunct : cmark_ispunct)(nextchar)) {
+    // only ascii symbols and newline can be escaped
+    advance(subj);
+    return make_str(subj, subj->pos - 2, subj->pos - 1, cmark_chunk_dup(&subj->input, subj->pos - 1, 1));
+  } else if (!is_eof(subj) && skip_line_end(subj)) {
+    return make_linebreak(subj->mem);
+  } else {
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("\\"));
+  }
+}
+
+// Parse an entity or a regular "&" string.
+// Assumes the subject has an '&' character at the current position.
+static cmark_node *handle_entity(subject *subj) {
+  cmark_strbuf ent = CMARK_BUF_INIT(subj->mem);
+  bufsize_t len;
+
+  advance(subj);
+
+  len = houdini_unescape_ent(&ent, subj->input.data + subj->pos,
+                             subj->input.len - subj->pos);
+
+  if (len == 0)
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("&"));
+
+  subj->pos += len;
+  return make_str(subj, subj->pos - 1 - len, subj->pos - 1, cmark_chunk_buf_detach(&ent));
+}
+
+// Clean a URL: remove surrounding whitespace, and remove \ that escape
+// punctuation.
+cmark_chunk cmark_clean_url(cmark_mem *mem, cmark_chunk *url) {
+  cmark_strbuf buf = CMARK_BUF_INIT(mem);
+
+  cmark_chunk_trim(url);
+
+  if (url->len == 0) {
+    cmark_chunk result = CMARK_CHUNK_EMPTY;
+    return result;
+  }
+
+  houdini_unescape_html_f(&buf, url->data, url->len);
+
+  cmark_strbuf_unescape(&buf);
+  return cmark_chunk_buf_detach(&buf);
+}
+
+cmark_chunk cmark_clean_title(cmark_mem *mem, cmark_chunk *title) {
+  cmark_strbuf buf = CMARK_BUF_INIT(mem);
+  unsigned char first, last;
+
+  if (title->len == 0) {
+    cmark_chunk result = CMARK_CHUNK_EMPTY;
+    return result;
+  }
+
+  first = title->data[0];
+  last = title->data[title->len - 1];
+
+  // remove surrounding quotes if any:
+  if ((first == '\'' && last == '\'') || (first == '(' && last == ')') ||
+      (first == '"' && last == '"')) {
+    houdini_unescape_html_f(&buf, title->data + 1, title->len - 2);
+  } else {
+    houdini_unescape_html_f(&buf, title->data, title->len);
+  }
+
+  cmark_strbuf_unescape(&buf);
+  return cmark_chunk_buf_detach(&buf);
+}
+
+// Clean custom attributes. This function uses `cmark_clean_url` internaly
+// because the requirements are the same
+cmark_chunk cmark_clean_attributes(cmark_mem *mem, cmark_chunk *attributes) {
+  return cmark_clean_url(mem, attributes);
+}
+
+// Parse an autolink or HTML tag.
+// Assumes the subject has a '<' character at the current position.
+static cmark_node *handle_pointy_brace(subject *subj, int options) {
+  bufsize_t matchlen = 0;
+  cmark_chunk contents;
+
+  advance(subj); // advance past first <
+
+  // first try to match a URL autolink
+  matchlen = scan_autolink_uri(&subj->input, subj->pos);
+  if (matchlen > 0) {
+    contents = cmark_chunk_dup(&subj->input, subj->pos, matchlen - 1);
+    subj->pos += matchlen;
+
+    return make_autolink(subj, subj->pos - 1 - matchlen, subj->pos - 1, contents, 0);
+  }
+
+  // next try to match an email autolink
+  matchlen = scan_autolink_email(&subj->input, subj->pos);
+  if (matchlen > 0) {
+    contents = cmark_chunk_dup(&subj->input, subj->pos, matchlen - 1);
+    subj->pos += matchlen;
+
+    return make_autolink(subj, subj->pos - 1 - matchlen, subj->pos - 1, contents, 1);
+  }
+
+  // finally, try to match an html tag
+  if (subj->pos + 2 <= subj->input.len) {
+    int c = subj->input.data[subj->pos];
+    if (c == '!' && (subj->flags & FLAG_SKIP_HTML_COMMENT) == 0) {
+      c = subj->input.data[subj->pos+1];
+      if (c == '-' && subj->input.data[subj->pos+2] == '-') {
+        if (subj->input.data[subj->pos+3] == '>') {
+          matchlen = 4;
+        } else if (subj->input.data[subj->pos+3] == '-' &&
+                   subj->input.data[subj->pos+4] == '>') {
+          matchlen = 5;
+        } else {
+          matchlen = scan_html_comment(&subj->input, subj->pos + 1);
+          if (matchlen > 0) {
+            matchlen += 1; // prefix "<"
+          } else { // no match through end of input: set a flag so
+                   // we don't reparse looking for -->:
+            subj->flags |= FLAG_SKIP_HTML_COMMENT;
+          }
+        }
+      } else if (c == '[') {
+        if ((subj->flags & FLAG_SKIP_HTML_CDATA) == 0) {
+          matchlen = scan_html_cdata(&subj->input, subj->pos + 2);
+          if (matchlen > 0) {
+            // The regex doesn't require the final "]]>". But if we're not at
+            // the end of input, it must come after the match. Otherwise,
+            // disable subsequent scans to avoid quadratic behavior.
+            matchlen += 5; // prefix "![", suffix "]]>"
+            if (subj->pos + matchlen > subj->input.len) {
+              subj->flags |= FLAG_SKIP_HTML_CDATA;
+              matchlen = 0;
+            }
+          }
+        }
+      } else if ((subj->flags & FLAG_SKIP_HTML_DECLARATION) == 0) {
+        matchlen = scan_html_declaration(&subj->input, subj->pos + 1);
+        if (matchlen > 0) {
+          matchlen += 2; // prefix "!", suffix ">"
+          if (subj->pos + matchlen > subj->input.len) {
+            subj->flags |= FLAG_SKIP_HTML_DECLARATION;
+            matchlen = 0;
+          }
+        }
+      }
+    } else if (c == '?') {
+      if ((subj->flags & FLAG_SKIP_HTML_PI) == 0) {
+        // Note that we allow an empty match.
+        matchlen = scan_html_pi(&subj->input, subj->pos + 1);
+        matchlen += 3; // prefix "?", suffix "?>"
+        if (subj->pos + matchlen > subj->input.len) {
+          subj->flags |= FLAG_SKIP_HTML_PI;
+          matchlen = 0;
+        }
+      }
+    } else {
+      matchlen = scan_html_tag(&subj->input, subj->pos);
+    }
+  }
+  if (matchlen > 0) {
+    contents = cmark_chunk_dup(&subj->input, subj->pos - 1, matchlen + 1);
+    subj->pos += matchlen;
+    cmark_node *node = make_raw_html(subj, subj->pos - matchlen - 1, subj->pos - 1, contents);
+    adjust_subj_node_newlines(subj, node, matchlen, 1, options);
+    return node;
+  }
+
+  if (options & CMARK_OPT_LIBERAL_HTML_TAG) {
+    matchlen = scan_liberal_html_tag(&subj->input, subj->pos);
+    if (matchlen > 0) {
+      contents = cmark_chunk_dup(&subj->input, subj->pos - 1, matchlen + 1);
+      subj->pos += matchlen;
+      cmark_node *node = make_raw_html(subj, subj->pos - matchlen - 1, subj->pos - 1, contents);
+      adjust_subj_node_newlines(subj, node, matchlen, 1, options);
+      return node;
+    }
+  }
+
+  // if nothing matches, just return the opening <:
+  return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("<"));
+}
+
+// Parse a link label.  Returns 1 if successful.
+// Note:  unescaped brackets are not allowed in labels.
+// The label begins with `[` and ends with the first `]` character
+// encountered.  Backticks in labels do not start code spans.
+static int link_label(subject *subj, cmark_chunk *raw_label, bool parse_attribute_label) {
+  bufsize_t startpos = subj->pos;
+  int length = 0;
+  unsigned char c;
+
+  // If we are parsing attribute label, advance past ^
+  if (parse_attribute_label) {
+    if (peek_char(subj) == '^') {
+      advance(subj);
+    } else {
+      return 0;
+    }
+  }
+
+  // advance past [
+  if (peek_char(subj) == '[') {
+    advance(subj);
+  } else {
+    return 0;
+  }
+
+  while ((c = peek_char(subj)) && c != '[' && c != ']') {
+    if (c == '\\') {
+      advance(subj);
+      length++;
+      if (cmark_ispunct(peek_char(subj))) {
+        advance(subj);
+        length++;
+      }
+    } else {
+      advance(subj);
+      length++;
+    }
+    if (length > MAX_LINK_LABEL_LENGTH) {
+      goto noMatch;
+    }
+  }
+
+  if (c == ']') { // match found
+    bufsize_t position = parse_attribute_label ? startpos + 2 : startpos + 1;
+    *raw_label =
+        cmark_chunk_dup(&subj->input, position, subj->pos - position);
+    cmark_chunk_trim(raw_label);
+    advance(subj); // advance past ]
+    return 1;
+  }
+
+noMatch:
+  subj->pos = startpos; // rewind
+  return 0;
+}
+
+static bufsize_t manual_scan_link_url_2(cmark_chunk *input, bufsize_t offset,
+                                        cmark_chunk *output) {
+  bufsize_t i = offset;
+  size_t nb_p = 0;
+
+  while (i < input->len) {
+    if (input->data[i] == '\\' &&
+        i + 1 < input-> len &&
+        cmark_ispunct(input->data[i+1]))
+      i += 2;
+    else if (input->data[i] == '(') {
+      ++nb_p;
+      ++i;
+      if (nb_p > 32)
+        return -1;
+    } else if (input->data[i] == ')') {
+      if (nb_p == 0)
+        break;
+      --nb_p;
+      ++i;
+    } else if (cmark_isspace(input->data[i])) {
+      if (i == offset) {
+        return -1;
+      }
+      break;
+    } else {
+      ++i;
+    }
+  }
+
+  if (i >= input->len)
+    return -1;
+
+  {
+    cmark_chunk result = {input->data + offset, i - offset, 0};
+    *output = result;
+  }
+  return i - offset;
+}
+
+static bufsize_t manual_scan_link_url(cmark_chunk *input, bufsize_t offset,
+                                      cmark_chunk *output) {
+  bufsize_t i = offset;
+
+  if (i < input->len && input->data[i] == '<') {
+    ++i;
+    while (i < input->len) {
+      if (input->data[i] == '>') {
+        ++i;
+        break;
+      } else if (input->data[i] == '\\')
+        i += 2;
+      else if (input->data[i] == '\n' || input->data[i] == '<')
+        return -1;
+      else
+        ++i;
+    }
+  } else {
+    return manual_scan_link_url_2(input, offset, output);
+  }
+
+  if (i >= input->len)
+    return -1;
+
+  {
+    cmark_chunk result = {input->data + offset + 1, i - 2 - offset, 0};
+    *output = result;
+  }
+  return i - offset;
+}
+
+static bufsize_t manual_scan_attribute_attributes(cmark_chunk *input, bufsize_t offset,
+                                                cmark_chunk *output) {
+  bufsize_t i = offset;
+  size_t nb_p = 0;
+
+  while (i < input->len) {
+    if (input->data[i] == '\\' &&
+        i + 1 < input->len &&
+        cmark_ispunct(input->data[i+1]))
+      i += 2;
+    else if (input->data[i] == '(') {
+      ++nb_p;
+      ++i;
+      if (nb_p > 32)
+        return -1;
+    } else if (input->data[i] == ')') {
+      if (nb_p == 0)
+        break;
+      --nb_p;
+      ++i;
+    } else {
+      ++i;
+    }
+  }
+
+  if (i >= input->len)
+    return -1;
+
+  {
+    cmark_chunk result = {input->data + offset, i - offset, 0};
+    *output = result;
+  }
+  return i - offset;
+}
+
+static cmark_node *handle_close_bracket_attribute(cmark_parser *parser, subject *subj, bracket *opener) {
+  bufsize_t startattributes, endattributes;
+  cmark_chunk attributes = CMARK_CHUNK_EMPTY;
+  bufsize_t n;
+  cmark_node *inl;
+  cmark_chunk raw_label;
+  int found_label;
+  cmark_node *tmp, *tmpnext;
+  cmark_reference *ref = NULL;
+  bool isAttributesNode = false;
+
+  // ^name[content](attributes)
+  // TODO: support name. we will not even enter this with a name because we fail the match first
+
+  startattributes = subj->pos + 1;
+
+  if (peek_char(subj) == '(' &&
+      ((n = manual_scan_attribute_attributes(&subj->input, subj->pos + 1,
+                                 &attributes)) > -1)) {
+
+    endattributes = subj->pos + 1 + n;
+
+    if (peek_at(subj, endattributes) == ')') {
+      subj->pos = endattributes + 1;
+      isAttributesNode = true;
+      if (endattributes - startattributes == 0) {
+        attributes = cmark_chunk_literal(NULL);
+      } else {
+        attributes = cmark_chunk_dup(&subj->input, startattributes, endattributes - startattributes);
+      }
+    }
+  }
+
+  // If we can't match direct link, look for [link label] that matches in refmap
+  raw_label = cmark_chunk_literal("");
+  found_label = link_label(subj, &raw_label, false);
+  if (found_label) {
+    ref = (cmark_reference *)cmark_map_lookup(subj->refmap, &raw_label);
+    cmark_chunk_free(subj->mem, &raw_label);
+
+    if (ref && ref->is_attributes_reference) {
+      isAttributesNode = true;
+      attributes = chunk_clone(subj->mem, &ref->attributes);
+    }
+  }
+
+  if (!isAttributesNode) {
+    // The current node can't be parsed as attribute node, turn it to a TEXT node instead.
+    pop_bracket(subj);
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("]"));
+  }
+
+  inl = make_simple(subj->mem, CMARK_NODE_ATTRIBUTE);
+  inl->as.attribute.attributes = attributes;
+  inl->start_line = inl->end_line = subj->line;
+  inl->start_column = opener->inl_text->start_column;
+  inl->end_column = subj->pos + subj->column_offset + subj->block_offset;
+  cmark_node_insert_before(opener->inl_text, inl);
+  // Add content text:
+  tmp = opener->inl_text->next;
+  while (tmp) {
+    tmpnext = tmp->next;
+    cmark_node_append_child(inl, tmp);
+    tmp = tmpnext;
+  }
+
+  // Free the bracket ^[:
+  cmark_node_free(opener->inl_text);
+
+  process_emphasis(parser, subj, opener->position);
+  pop_bracket(subj);
+
+  return NULL;
+}
+
+// Return a link, an image, an attribute, or a literal close bracket.
+static cmark_node *handle_close_bracket(cmark_parser *parser, subject *subj) {
+  bufsize_t initial_pos, after_link_text_pos;
+  bufsize_t endurl, starttitle, endtitle, endall;
+  bufsize_t sps, n;
+  cmark_reference *ref = NULL;
+  cmark_chunk url_chunk, title_chunk;
+  cmark_chunk url, title;
+  bracket *opener;
+  cmark_node *inl;
+  cmark_chunk raw_label;
+  int found_label;
+  cmark_node *tmp, *tmpnext;
+  bool is_image;
+
+  advance(subj); // advance past ]
+  initial_pos = subj->pos;
+
+  // get last [ or ![ or ^[
+  opener = subj->last_bracket;
+
+  if (opener == NULL) {
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("]"));
+  }
+
+  if (opener->type == ATTRIBUTE) {
+    return handle_close_bracket_attribute(parser, subj, opener);
+  }
+
+  // If we got here, we matched a potential link/image text.
+  // Now we check to see if it's a link/image.
+  is_image = opener->type == IMAGE;
+
+  if (!is_image && subj->no_link_openers) {
+    // take delimiter off stack
+    pop_bracket(subj);
+    return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("]"));
+  }
+
+  after_link_text_pos = subj->pos;
+
+  // First, look for an inline link.
+  if (peek_char(subj) == '(' &&
+      ((sps = scan_spacechars(&subj->input, subj->pos + 1)) > -1) &&
+      ((n = manual_scan_link_url(&subj->input, subj->pos + 1 + sps,
+                                 &url_chunk)) > -1)) {
+
+    // try to parse an explicit link:
+    endurl = subj->pos + 1 + sps + n;
+    starttitle = endurl + scan_spacechars(&subj->input, endurl);
+
+    // ensure there are spaces btw url and title
+    endtitle = (starttitle == endurl)
+                   ? starttitle
+                   : starttitle + scan_link_title(&subj->input, starttitle);
+
+    endall = endtitle + scan_spacechars(&subj->input, endtitle);
+
+    if (peek_at(subj, endall) == ')') {
+      subj->pos = endall + 1;
+
+      title_chunk =
+          cmark_chunk_dup(&subj->input, starttitle, endtitle - starttitle);
+      url = cmark_clean_url(subj->mem, &url_chunk);
+      title = cmark_clean_title(subj->mem, &title_chunk);
+      cmark_chunk_free(subj->mem, &url_chunk);
+      cmark_chunk_free(subj->mem, &title_chunk);
+      goto match;
+
+    } else {
+      // it could still be a shortcut reference link
+      subj->pos = after_link_text_pos;
+    }
+  }
+
+  // Next, look for a following [link label] that matches in refmap.
+  // skip spaces
+  raw_label = cmark_chunk_literal("");
+  found_label = link_label(subj, &raw_label, false);
+  if (!found_label) {
+    // If we have a shortcut reference link, back up
+    // to before the spacse we skipped.
+    subj->pos = initial_pos;
+  }
+
+  if ((!found_label || raw_label.len == 0) && !opener->bracket_after) {
+    cmark_chunk_free(subj->mem, &raw_label);
+    raw_label = cmark_chunk_dup(&subj->input, opener->position,
+                                initial_pos - opener->position - 1);
+    found_label = true;
+  }
+
+  if (found_label) {
+    ref = (cmark_reference *)cmark_map_lookup(subj->refmap, &raw_label);
+    cmark_chunk_free(subj->mem, &raw_label);
+  }
+
+  if (ref != NULL && !ref->is_attributes_reference) { // found
+    url = chunk_clone(subj->mem, &ref->url);
+    title = chunk_clone(subj->mem, &ref->title);
+    goto match;
+  } else {
+    goto noMatch;
+  }
+
+noMatch:
+  // If we fall through to here, it means we didn't match a link.
+  // What if we're a footnote link?
+  if (parser->options & CMARK_OPT_FOOTNOTES &&
+      opener->inl_text->next &&
+      opener->inl_text->next->type == CMARK_NODE_TEXT) {
+
+    cmark_chunk *literal = &opener->inl_text->next->as.literal;
+
+    // look back to the opening '[', and skip ahead to the next character
+    // if we're looking at a '[^' sequence, and there is other text or nodes
+    // after the ^, let's call it a footnote reference.
+    if ((literal->len > 0 && literal->data[0] == '^') && (literal->len > 1 || opener->inl_text->next->next)) {
+
+      // Before we got this far, the `handle_close_bracket` function may have
+      // advanced the current state beyond our footnote's actual closing
+      // bracket, ie if it went looking for a `link_label`.
+      // Let's just rewind the subject's position:
+      subj->pos = initial_pos;
+
+      cmark_node *fnref = make_simple(subj->mem, CMARK_NODE_FOOTNOTE_REFERENCE);
+
+      // the start and end of the footnote ref is the opening and closing brace
+      // i.e. the subject's current position, and the opener's start_column
+      int fnref_end_column = subj->pos + subj->column_offset + subj->block_offset;
+      int fnref_start_column = opener->inl_text->start_column;
+
+      // any given node delineates a substring of the line being processed,
+      // with the remainder of the line being pointed to thru its 'literal'
+      // struct member.
+      // here, we copy the literal's pointer, moving it past the '^' character
+      // for a length equal to the size of footnote reference text.
+      // i.e. end_col minus start_col, minus the [ and the ^ characters
+      //
+      // this copies the footnote reference string, even if between the
+      // `opener` and the subject's current position there are other nodes
+      //
+      // (first, check for underflows)
+      if ((fnref_start_column + 2) <= fnref_end_column) {
+        fnref->as.literal = cmark_chunk_dup(literal, 1, (fnref_end_column - fnref_start_column) - 2);
+      } else {
+        fnref->as.literal = cmark_chunk_dup(literal, 1, 0);
+      }
+
+      fnref->start_line = fnref->end_line = subj->line;
+      fnref->start_column = fnref_start_column;
+      fnref->end_column = fnref_end_column;
+
+      // we then replace the opener with this new fnref node, the net effect
+      // being replacing the opening '[' text node with a `^footnote-ref]` node.
+      cmark_node_insert_before(opener->inl_text, fnref);
+
+      process_emphasis(parser, subj, opener->position);
+      // sometimes, the footnote reference text gets parsed into multiple nodes
+      // i.e. '[^example]' parsed into '[', '^exam', 'ple]'.
+      // this happens for ex with the autolink extension. when the autolinker
+      // finds the 'w' character, it will split the text into multiple nodes
+      // in hopes of being able to match a 'www.' substring.
+      //
+      // because this function is called one character at a time via the
+      // `parse_inlines` function, and the current subj->pos is pointing at the
+      // closing ] brace, and because we copy all the text between the [ ]
+      // braces, we should be able to safely ignore and delete any nodes after
+      // the opener->inl_text->next.
+      //
+      // therefore, here we walk thru the list and free them all up
+      cmark_node *next_node;
+      cmark_node *current_node = opener->inl_text->next;
+      while(current_node) {
+        next_node = current_node->next;
+        cmark_node_free(current_node);
+        current_node = next_node;
+      }
+
+      cmark_node_free(opener->inl_text);
+
+      pop_bracket(subj);
+      return NULL;
+    }
+  }
+
+  pop_bracket(subj); // remove this opener from delimiter list
+  subj->pos = initial_pos;
+  return make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("]"));
+
+match:
+  inl = make_simple(subj->mem, is_image ? CMARK_NODE_IMAGE : CMARK_NODE_LINK);
+  inl->as.link.url = url;
+  inl->as.link.title = title;
+  inl->start_line = opener->inl_text->start_line;
+  inl->start_column = opener->inl_text->start_column;
+  inl->end_line = subj->line;
+  inl->end_column = subj->pos + subj->column_offset + subj->block_offset;
+  cmark_node_insert_before(opener->inl_text, inl);
+  // Add link text:
+  tmp = opener->inl_text->next;
+  while (tmp) {
+    tmpnext = tmp->next;
+    cmark_node_unlink(tmp);
+    append_child(inl, tmp);
+    tmp = tmpnext;
+  }
+
+  // Free the bracket [:
+  cmark_node_free(opener->inl_text);
+
+  process_emphasis(parser, subj, opener->position);
+  pop_bracket(subj);
+
+  // Now, if we have a link, we also want to deactivate links until
+  // we get a new opener. (This code can be removed if we decide to allow links
+  // inside links.)
+  if (!is_image) {
+    subj->no_link_openers = true;
+  }
+
+  return NULL;
+}
+
+// Parse a hard or soft linebreak, returning an inline.
+// Assumes the subject has a cr or newline at the current position.
+static cmark_node *handle_newline(subject *subj) {
+  bufsize_t nlpos = subj->pos;
+  // skip over cr, crlf, or lf:
+  if (peek_at(subj, subj->pos) == '\r') {
+    advance(subj);
+  }
+  if (peek_at(subj, subj->pos) == '\n') {
+    advance(subj);
+  }
+  ++subj->line;
+  subj->column_offset = -subj->pos;
+  // skip spaces at beginning of line
+  skip_spaces(subj);
+  if (nlpos > 1 && peek_at(subj, nlpos - 1) == ' ' &&
+      peek_at(subj, nlpos - 2) == ' ') {
+    return make_linebreak(subj->mem);
+  } else {
+    return make_softbreak(subj->mem);
+  }
+}
+
+// "\r\n\\`&_*[]pos + 1;
+
+  while (n < subj->input.len) {
+    if (parser->special_chars[subj->input.data[n]])
+      return n;
+    if (options & CMARK_OPT_SMART && SMART_PUNCT_CHARS[subj->input.data[n]])
+      return n;
+    n++;
+  }
+
+  return subj->input.len;
+}
+
+void cmark_inlines_add_special_character(cmark_parser *parser, unsigned char c, bool emphasis) {
+  parser->special_chars[c] = 1;
+  if (emphasis)
+    parser->skip_chars[c] = 1;
+}
+
+void cmark_inlines_remove_special_character(cmark_parser *parser, unsigned char c, bool emphasis) {
+  parser->special_chars[c] = 0;
+  if (emphasis)
+    parser->skip_chars[c] = 0;
+}
+
+static cmark_node *try_extensions(cmark_parser *parser,
+                                  cmark_node *parent,
+                                  unsigned char c,
+                                  subject *subj) {
+  cmark_node *res = NULL;
+  cmark_llist *tmp;
+
+  for (tmp = parser->inline_syntax_extensions; tmp; tmp = tmp->next) {
+    cmark_syntax_extension *ext = (cmark_syntax_extension *) tmp->data;
+    res = ext->match_inline(ext, parser, parent, c, subj);
+
+    if (res)
+      break;
+  }
+
+  return res;
+}
+
+// Parse an inline, advancing subject, and add it as a child of parent.
+// Return 0 if no inline can be parsed, 1 otherwise.
+static int parse_inline(cmark_parser *parser, subject *subj, cmark_node *parent, int options) {
+  cmark_node *new_inl = NULL;
+  cmark_chunk contents;
+  unsigned char c;
+  bufsize_t startpos, endpos;
+  bufsize_t initpos = subj->pos;
+  c = peek_char(subj);
+  if (c == 0) {
+    return 0;
+  }
+  switch (c) {
+  case '\r':
+  case '\n':
+    if (options & CMARK_OPT_PRESERVE_WHITESPACE) {
+      advance(subj);
+      new_inl = make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_dup(&subj->input, subj->pos - 1, 1));
+    } else {
+      new_inl = handle_newline(subj);
+    }
+    break;
+  case '`':
+    new_inl = handle_backticks(subj, options);
+    break;
+  case '\\':
+    new_inl = handle_backslash(parser, subj);
+    break;
+  case '&':
+    new_inl = handle_entity(subj);
+    break;
+  case '<':
+    new_inl = handle_pointy_brace(subj, options);
+    break;
+  case '*':
+  case '_':
+  case '\'':
+  case '"':
+    new_inl = handle_delim(parser, subj, c, (options & CMARK_OPT_SMART) != 0);
+    break;
+  case '-':
+    new_inl = handle_hyphen(subj, (options & CMARK_OPT_SMART) != 0);
+    break;
+  case '.':
+    new_inl = handle_period(subj, (options & CMARK_OPT_SMART) != 0);
+    break;
+  case '[':
+    advance(subj);
+    new_inl = make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_literal("["));
+    push_bracket(subj, LINK, new_inl);
+    break;
+  case ']':
+    new_inl = handle_close_bracket(parser, subj);
+    break;
+  case '!':
+    // specifically check for '![' not followed by '^'
+    if (peek_char_n(subj, 1) == '[' && peek_char_n(subj, 2) != '^') {
+      advance(subj);
+      advance(subj);
+      new_inl = make_str(subj, subj->pos - 2, subj->pos - 1, cmark_chunk_literal("!["));
+      push_bracket(subj, IMAGE, new_inl);
+    }
+    break;
+  case '^':
+    // TODO: Support a name between ^ and [
+    // specifically check for '^['
+    if (peek_char_n(subj, 1) == '[') {
+      advance(subj);
+      advance(subj);
+      new_inl = make_str(subj, subj->pos - 2, subj->pos - 1, cmark_chunk_literal("^["));
+      push_bracket(subj, ATTRIBUTE, new_inl);
+    }
+    break;
+  }
+
+  if (subj->pos == initpos) {
+    if (!new_inl)
+      new_inl = try_extensions(parser, parent, c, subj);
+
+    if (!new_inl) {
+      endpos = subject_find_special_char(parser, subj, options);
+      if (endpos == subj->pos) {
+        advance(subj);
+        new_inl = make_str(subj, subj->pos - 1, subj->pos - 1, cmark_chunk_dup(&subj->input, subj->pos - 1, 1));
+      } else {
+        contents = cmark_chunk_dup(&subj->input, subj->pos, endpos - subj->pos);
+        startpos = subj->pos;
+        subj->pos = endpos;
+
+        // if we're at a newline, strip trailing spaces.
+        if ((options & CMARK_OPT_PRESERVE_WHITESPACE) == 0 && S_is_line_end_char(peek_char(subj))) {
+          cmark_chunk_rtrim(&contents);
+        }
+
+        new_inl = make_str(subj, startpos, endpos - 1, contents);
+      }
+    }
+  }
+
+  if (new_inl != NULL) {
+    append_child(parent, new_inl);
+  }
+
+  return 1;
+}
+
+// Parse inlines from parent's string_content, adding as children of parent.
+void cmark_parse_inlines(cmark_parser *parser,
+                         cmark_node *parent,
+                         cmark_map *refmap,
+                         int options) {
+  subject subj;
+  cmark_chunk content = {parent->content.ptr, parent->content.size, 0};
+  subject_from_buf(parser->mem, parent->start_line, parent->start_column - 1 + parent->internal_offset, &subj, &content, refmap);
+  if ((options & CMARK_OPT_PRESERVE_WHITESPACE) == 0)
+    cmark_chunk_rtrim(&subj.input);
+
+  while (!is_eof(&subj) && parse_inline(parser, &subj, parent, options))
+    ;
+
+  process_emphasis(parser, &subj, 0);
+  // free bracket and delim stack
+  while (subj.last_delim) {
+    remove_delimiter(&subj, subj.last_delim);
+  }
+  while (subj.last_bracket) {
+    pop_bracket(&subj);
+  }
+}
+
+// Parse zero or more space characters, including at most one newline.
+static void spnl(subject *subj) {
+  skip_spaces(subj);
+  if (skip_line_end(subj)) {
+    skip_spaces(subj);
+  }
+}
+
+// Parse reference.  Assumes string begins with '[' character.
+// Modify refmap if a reference is encountered.
+// Return 0 if no reference found, otherwise position of subject
+// after reference is parsed.
+bufsize_t cmark_parse_reference_inline(cmark_mem *mem, cmark_chunk *input,
+                                       cmark_map *refmap) {
+  subject subj;
+
+  cmark_chunk lab;
+  cmark_chunk url;
+  cmark_chunk title;
+
+  bufsize_t matchlen = 0;
+  bufsize_t beforetitle;
+
+  subject_from_buf(mem, -1, 0, &subj, input, NULL);
+
+  // parse label:
+  if (!link_label(&subj, &lab, false) || lab.len == 0)
+    return 0;
+
+  // colon:
+  if (peek_char(&subj) == ':') {
+    advance(&subj);
+  } else {
+    return 0;
+  }
+
+  // parse link url:
+  spnl(&subj);
+  if ((matchlen = manual_scan_link_url(&subj.input, subj.pos, &url)) > -1) {
+    subj.pos += matchlen;
+  } else {
+    return 0;
+  }
+
+  // parse optional link_title
+  beforetitle = subj.pos;
+  spnl(&subj);
+  matchlen = subj.pos == beforetitle ? 0 : scan_link_title(&subj.input, subj.pos);
+  if (matchlen) {
+    title = cmark_chunk_dup(&subj.input, subj.pos, matchlen);
+    subj.pos += matchlen;
+  } else {
+    subj.pos = beforetitle;
+    title = cmark_chunk_literal("");
+  }
+
+  // parse final spaces and newline:
+  skip_spaces(&subj);
+  if (!skip_line_end(&subj)) {
+    if (matchlen) { // try rewinding before title
+      subj.pos = beforetitle;
+      skip_spaces(&subj);
+      if (!skip_line_end(&subj)) {
+        return 0;
+      }
+    } else {
+      return 0;
+    }
+  }
+  // insert reference into refmap
+  cmark_reference_create(refmap, &lab, &url, &title);
+  return subj.pos;
+}
+
+bufsize_t cmark_parse_reference_attributes_inline(cmark_mem *mem, cmark_chunk *input,
+                                                  cmark_map *refmap) {
+  subject subj;
+
+  cmark_chunk lab;
+  cmark_chunk attributes;
+
+  bufsize_t matchlen = 0;
+  unsigned char c;
+
+  subject_from_buf(mem, -1, 0, &subj, input, NULL);
+
+  // parse attribute label:
+  if (!link_label(&subj, &lab, true) || lab.len == 0) {
+    return 0;
+  }
+
+  // Colon:
+  if (peek_char(&subj) == ':') {
+    advance(&subj);
+  } else {
+    return 0;
+  }
+
+  // parse attributes
+  spnl(&subj);
+  // read until next newline
+  bufsize_t startpos = subj.pos;
+  while ((c = peek_char(&subj)) && !S_is_line_end_char(c)) {
+    advance(&subj);
+    matchlen++;
+  }
+
+  if (matchlen == 0) {
+    return 0;
+  }
+
+  attributes = cmark_chunk_dup(&subj.input, startpos, matchlen);
+
+  // parse final spaces and newline:
+  skip_spaces(&subj);
+  if (!skip_line_end(&subj)) {
+    return 0;
+  }
+
+  // insert reference into refmap
+  cmark_reference_create_attributes(refmap, &lab, &attributes);
+  return subj.pos;
+}
+
+unsigned char cmark_inline_parser_peek_char(cmark_inline_parser *parser) {
+  return peek_char(parser);
+}
+
+unsigned char cmark_inline_parser_peek_at(cmark_inline_parser *parser, bufsize_t pos) {
+  return peek_at(parser, pos);
+}
+
+int cmark_inline_parser_is_eof(cmark_inline_parser *parser) {
+  return is_eof(parser);
+}
+
+static char *
+my_strndup (const char *s, size_t n)
+{
+  char *result;
+  size_t len = strlen (s);
+
+  if (n < len)
+    len = n;
+
+  result = (char *) malloc (len + 1);
+  if (!result)
+    return 0;
+
+  result[len] = '\0';
+  return (char *) memcpy (result, s, len);
+}
+
+char *cmark_inline_parser_take_while(cmark_inline_parser *parser, cmark_inline_predicate pred) {
+  unsigned char c;
+  bufsize_t startpos = parser->pos;
+  bufsize_t len = 0;
+
+  while ((c = peek_char(parser)) && (*pred)(c)) {
+    advance(parser);
+    len++;
+  }
+
+  return my_strndup((const char *) parser->input.data + startpos, len);
+}
+
+void cmark_inline_parser_push_delimiter(cmark_inline_parser *parser,
+                                  unsigned char c,
+                                  int can_open,
+                                  int can_close,
+                                  cmark_node *inl_text) {
+  push_delimiter(parser, c, can_open != 0, can_close != 0, inl_text);
+}
+
+void cmark_inline_parser_remove_delimiter(cmark_inline_parser *parser, delimiter *delim) {
+  remove_delimiter(parser, delim);
+}
+
+int cmark_inline_parser_scan_delimiters(cmark_inline_parser *parser,
+                                  int max_delims,
+                                  unsigned char c,
+                                  int *left_flanking,
+                                  int *right_flanking,
+                                  int *punct_before,
+                                  int *punct_after) {
+  int numdelims = 0;
+  bufsize_t before_char_pos;
+  int32_t after_char = 0;
+  int32_t before_char = 0;
+  int len;
+  bool space_before, space_after;
+
+  if (parser->pos == 0) {
+    before_char = 10;
+  } else {
+    before_char_pos = parser->pos - 1;
+    // walk back to the beginning of the UTF_8 sequence:
+    while (peek_at(parser, before_char_pos) >> 6 == 2 && before_char_pos > 0) {
+      before_char_pos -= 1;
+    }
+    len = cmark_utf8proc_iterate(parser->input.data + before_char_pos,
+                                 parser->pos - before_char_pos, &before_char);
+    if (len == -1) {
+      before_char = 10;
+    }
+  }
+
+  while (peek_char(parser) == c && numdelims < max_delims) {
+    numdelims++;
+    advance(parser);
+  }
+
+  len = cmark_utf8proc_iterate(parser->input.data + parser->pos,
+                               parser->input.len - parser->pos, &after_char);
+  if (len == -1) {
+    after_char = 10;
+  }
+
+  *punct_before = cmark_utf8proc_is_punctuation(before_char);
+  *punct_after = cmark_utf8proc_is_punctuation(after_char);
+  space_before = cmark_utf8proc_is_space(before_char) != 0;
+  space_after = cmark_utf8proc_is_space(after_char) != 0;
+
+  *left_flanking = numdelims > 0 && !cmark_utf8proc_is_space(after_char) &&
+                  !(*punct_after && !space_before && !*punct_before);
+  *right_flanking = numdelims > 0 && !cmark_utf8proc_is_space(before_char) &&
+                  !(*punct_before && !space_after && !*punct_after);
+
+  return numdelims;
+}
+
+void cmark_inline_parser_advance_offset(cmark_inline_parser *parser) {
+  advance(parser);
+}
+
+int cmark_inline_parser_get_offset(cmark_inline_parser *parser) {
+  return parser->pos;
+}
+
+void cmark_inline_parser_set_offset(cmark_inline_parser *parser, int offset) {
+  parser->pos = offset;
+}
+
+int cmark_inline_parser_get_column(cmark_inline_parser *parser) {
+  return parser->pos + 1 + parser->column_offset + parser->block_offset;
+}
+
+cmark_chunk *cmark_inline_parser_get_chunk(cmark_inline_parser *parser) {
+  return &parser->input;
+}
+
+int cmark_inline_parser_in_bracket(cmark_inline_parser *parser, int type) {
+  bracket *b = parser->last_bracket;
+  if (!b) {
+    return 0;
+  }
+  switch (type) {
+    case 0:
+      return b->in_bracket[LINK];
+    case 1:
+      return b->in_bracket[IMAGE];
+    case 2:
+      return b->in_bracket[ATTRIBUTE];
+    default:
+      return 0;
+  }
+}
+
+void cmark_node_unput(cmark_node *node, int n) {
+	node = node->last_child;
+	while (n > 0 && node && node->type == CMARK_NODE_TEXT) {
+		if (node->as.literal.len < n) {
+			n -= node->as.literal.len;
+			node->as.literal.len = 0;
+		} else {
+			node->as.literal.len -= n;
+			n = 0;
+		}
+		node = node->prev;
+	}
+}
+
+delimiter *cmark_inline_parser_get_last_delimiter(cmark_inline_parser *parser) {
+  return parser->last_delim;
+}
+
+int cmark_inline_parser_get_line(cmark_inline_parser *parser) {
+  return parser->line;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/iterator.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/iterator.c
new file mode 100644
index 0000000000..e7cc64582f
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/iterator.c
@@ -0,0 +1,159 @@
+#include 
+#include 
+#include 
+
+#include "node.h"
+#include "cmark-gfm.h"
+#include "iterator.h"
+
+cmark_iter *cmark_iter_new(cmark_node *root) {
+  if (root == NULL) {
+    return NULL;
+  }
+  cmark_mem *mem = root->content.mem;
+  cmark_iter *iter = (cmark_iter *)mem->calloc(1, sizeof(cmark_iter));
+  iter->mem = mem;
+  iter->root = root;
+  iter->cur.ev_type = CMARK_EVENT_NONE;
+  iter->cur.node = NULL;
+  iter->next.ev_type = CMARK_EVENT_ENTER;
+  iter->next.node = root;
+  return iter;
+}
+
+void cmark_iter_free(cmark_iter *iter) { iter->mem->free(iter); }
+
+static bool S_is_leaf(cmark_node *node) {
+  switch (node->type) {
+  case CMARK_NODE_HTML_BLOCK:
+  case CMARK_NODE_THEMATIC_BREAK:
+  case CMARK_NODE_CODE_BLOCK:
+  case CMARK_NODE_TEXT:
+  case CMARK_NODE_SOFTBREAK:
+  case CMARK_NODE_LINEBREAK:
+  case CMARK_NODE_CODE:
+  case CMARK_NODE_HTML_INLINE:
+    return 1;
+  }
+  return 0;
+}
+
+cmark_event_type cmark_iter_next(cmark_iter *iter) {
+  cmark_event_type ev_type = iter->next.ev_type;
+  cmark_node *node = iter->next.node;
+
+  iter->cur.ev_type = ev_type;
+  iter->cur.node = node;
+
+  if (ev_type == CMARK_EVENT_DONE) {
+    return ev_type;
+  }
+
+  /* roll forward to next item, setting both fields */
+  if (ev_type == CMARK_EVENT_ENTER && !S_is_leaf(node)) {
+    if (node->first_child == NULL) {
+      /* stay on this node but exit */
+      iter->next.ev_type = CMARK_EVENT_EXIT;
+    } else {
+      iter->next.ev_type = CMARK_EVENT_ENTER;
+      iter->next.node = node->first_child;
+    }
+  } else if (node == iter->root) {
+    /* don't move past root */
+    iter->next.ev_type = CMARK_EVENT_DONE;
+    iter->next.node = NULL;
+  } else if (node->next) {
+    iter->next.ev_type = CMARK_EVENT_ENTER;
+    iter->next.node = node->next;
+  } else if (node->parent) {
+    iter->next.ev_type = CMARK_EVENT_EXIT;
+    iter->next.node = node->parent;
+  } else {
+    assert(false);
+    iter->next.ev_type = CMARK_EVENT_DONE;
+    iter->next.node = NULL;
+  }
+
+  return ev_type;
+}
+
+void cmark_iter_reset(cmark_iter *iter, cmark_node *current,
+                      cmark_event_type event_type) {
+  iter->next.ev_type = event_type;
+  iter->next.node = current;
+  cmark_iter_next(iter);
+}
+
+cmark_node *cmark_iter_get_node(cmark_iter *iter) { return iter->cur.node; }
+
+cmark_event_type cmark_iter_get_event_type(cmark_iter *iter) {
+  return iter->cur.ev_type;
+}
+
+cmark_node *cmark_iter_get_root(cmark_iter *iter) { return iter->root; }
+
+void cmark_consolidate_text_nodes(cmark_node *root) {
+  if (root == NULL) {
+    return;
+  }
+  cmark_iter *iter = cmark_iter_new(root);
+  cmark_strbuf buf = CMARK_BUF_INIT(iter->mem);
+  cmark_event_type ev_type;
+  cmark_node *cur, *tmp, *next;
+
+  while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
+    cur = cmark_iter_get_node(iter);
+    if (ev_type == CMARK_EVENT_ENTER && cur->type == CMARK_NODE_TEXT &&
+        cur->next && cur->next->type == CMARK_NODE_TEXT) {
+      cmark_strbuf_clear(&buf);
+      cmark_strbuf_put(&buf, cur->as.literal.data, cur->as.literal.len);
+      tmp = cur->next;
+      while (tmp && tmp->type == CMARK_NODE_TEXT) {
+        cmark_iter_next(iter); // advance pointer
+        cmark_strbuf_put(&buf, tmp->as.literal.data, tmp->as.literal.len);
+        cur->end_column = tmp->end_column;
+        next = tmp->next;
+        cmark_node_free(tmp);
+        tmp = next;
+      }
+      cmark_chunk_free(iter->mem, &cur->as.literal);
+      cur->as.literal = cmark_chunk_buf_detach(&buf);
+    }
+  }
+
+  cmark_strbuf_free(&buf);
+  cmark_iter_free(iter);
+}
+
+void cmark_node_own(cmark_node *root) {
+  if (root == NULL) {
+    return;
+  }
+  cmark_iter *iter = cmark_iter_new(root);
+  cmark_event_type ev_type;
+  cmark_node *cur;
+
+  while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
+    cur = cmark_iter_get_node(iter);
+    if (ev_type == CMARK_EVENT_ENTER) {
+      switch (cur->type) {
+      case CMARK_NODE_TEXT:
+      case CMARK_NODE_HTML_INLINE:
+      case CMARK_NODE_CODE:
+      case CMARK_NODE_HTML_BLOCK:
+        cmark_chunk_to_cstr(iter->mem, &cur->as.literal);
+        break;
+      case CMARK_NODE_LINK:
+        cmark_chunk_to_cstr(iter->mem, &cur->as.link.url);
+        cmark_chunk_to_cstr(iter->mem, &cur->as.link.title);
+        break;
+      case CMARK_NODE_CUSTOM_INLINE:
+        cmark_chunk_to_cstr(iter->mem, &cur->as.custom.on_enter);
+        cmark_chunk_to_cstr(iter->mem, &cur->as.custom.on_exit);
+        break;
+      }
+    }
+  }
+
+  cmark_iter_free(iter);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/latex.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/latex.c
new file mode 100644
index 0000000000..0fc6079754
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/latex.c
@@ -0,0 +1,468 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "node.h"
+#include "buffer.h"
+#include "utf8.h"
+#include "scanners.h"
+#include "render.h"
+#include "syntax_extension.h"
+
+#define OUT(s, wrap, escaping) renderer->out(renderer, node, s, wrap, escaping)
+#define LIT(s) renderer->out(renderer, node, s, false, LITERAL)
+#define CR() renderer->cr(renderer)
+#define BLANKLINE() renderer->blankline(renderer)
+#define LIST_NUMBER_STRING_SIZE 20
+
+static inline void outc(cmark_renderer *renderer, cmark_node *node,
+                        cmark_escaping escape, int32_t c, unsigned char nextc) {
+  if (escape == LITERAL) {
+    cmark_render_code_point(renderer, c);
+    return;
+  }
+
+  switch (c) {
+  case 123: // '{'
+  case 125: // '}'
+  case 35:  // '#'
+  case 37:  // '%'
+  case 38:  // '&'
+    cmark_render_ascii(renderer, "\\");
+    cmark_render_code_point(renderer, c);
+    break;
+  case 36: // '$'
+  case 95: // '_'
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\\");
+    }
+    cmark_render_code_point(renderer, c);
+    break;
+  case 45:             // '-'
+    if (nextc == 45) { // prevent ligature
+      cmark_render_ascii(renderer, "-{}");
+    } else {
+      cmark_render_ascii(renderer, "-");
+    }
+    break;
+  case 126: // '~'
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\\textasciitilde{}");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 94: // '^'
+    cmark_render_ascii(renderer, "\\^{}");
+    break;
+  case 92: // '\\'
+    if (escape == URL) {
+      // / acts as path sep even on windows:
+      cmark_render_ascii(renderer, "/");
+    } else {
+      cmark_render_ascii(renderer, "\\textbackslash{}");
+    }
+    break;
+  case 124: // '|'
+    cmark_render_ascii(renderer, "\\textbar{}");
+    break;
+  case 60: // '<'
+    cmark_render_ascii(renderer, "\\textless{}");
+    break;
+  case 62: // '>'
+    cmark_render_ascii(renderer, "\\textgreater{}");
+    break;
+  case 91: // '['
+  case 93: // ']'
+    cmark_render_ascii(renderer, "{");
+    cmark_render_code_point(renderer, c);
+    cmark_render_ascii(renderer, "}");
+    break;
+  case 34: // '"'
+    cmark_render_ascii(renderer, "\\textquotedbl{}");
+    // requires \usepackage[T1]{fontenc}
+    break;
+  case 39: // '\''
+    cmark_render_ascii(renderer, "\\textquotesingle{}");
+    // requires \usepackage{textcomp}
+    break;
+  case 160: // nbsp
+    cmark_render_ascii(renderer, "~");
+    break;
+  case 8230: // hellip
+    cmark_render_ascii(renderer, "\\ldots{}");
+    break;
+  case 8216: // lsquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "`");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8217: // rsquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "\'");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8220: // ldquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "``");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8221: // rdquo
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "''");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8212: // emdash
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "---");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 8211: // endash
+    if (escape == NORMAL) {
+      cmark_render_ascii(renderer, "--");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  default:
+    cmark_render_code_point(renderer, c);
+  }
+}
+
+typedef enum {
+  NO_LINK,
+  URL_AUTOLINK,
+  EMAIL_AUTOLINK,
+  NORMAL_LINK,
+  INTERNAL_LINK
+} link_type;
+
+static link_type get_link_type(cmark_node *node) {
+  size_t title_len, url_len;
+  cmark_node *link_text;
+  char *realurl;
+  int realurllen;
+  bool isemail = false;
+
+  if (node->type != CMARK_NODE_LINK) {
+    return NO_LINK;
+  }
+
+  const char *url = cmark_node_get_url(node);
+  cmark_chunk url_chunk = cmark_chunk_literal(url);
+
+  if (url && *url == '#') {
+    return INTERNAL_LINK;
+  }
+
+  url_len = strlen(url);
+  if (url_len == 0 || scan_scheme(&url_chunk, 0) == 0) {
+    return NO_LINK;
+  }
+
+  const char *title = cmark_node_get_title(node);
+  title_len = strlen(title);
+  // if it has a title, we can't treat it as an autolink:
+  if (title_len == 0) {
+
+    link_text = node->first_child;
+    cmark_consolidate_text_nodes(link_text);
+
+    if (!link_text)
+      return NO_LINK;
+
+    realurl = (char *)url;
+    realurllen = (int)url_len;
+    if (strncmp(realurl, "mailto:", 7) == 0) {
+      realurl += 7;
+      realurllen -= 7;
+      isemail = true;
+    }
+    if (realurllen == link_text->as.literal.len &&
+        strncmp(realurl, (char *)link_text->as.literal.data,
+                link_text->as.literal.len) == 0) {
+      if (isemail) {
+        return EMAIL_AUTOLINK;
+      } else {
+        return URL_AUTOLINK;
+      }
+    }
+  }
+
+  return NORMAL_LINK;
+}
+
+static int S_get_enumlevel(cmark_node *node) {
+  int enumlevel = 0;
+  cmark_node *tmp = node;
+  while (tmp) {
+    if (tmp->type == CMARK_NODE_LIST &&
+        cmark_node_get_list_type(node) == CMARK_ORDERED_LIST) {
+      enumlevel++;
+    }
+    tmp = tmp->parent;
+  }
+  return enumlevel;
+}
+
+static int S_render_node(cmark_renderer *renderer, cmark_node *node,
+                         cmark_event_type ev_type, int options) {
+  int list_number;
+  int enumlevel;
+  char list_number_string[LIST_NUMBER_STRING_SIZE];
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+  cmark_list_type list_type;
+  bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options);
+
+  if (node->extension && node->extension->latex_render_func) {
+    node->extension->latex_render_func(node->extension, renderer, node, ev_type, options);
+    return 1;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+    break;
+
+  case CMARK_NODE_BLOCK_QUOTE:
+    if (entering) {
+      LIT("\\begin{quote}");
+      CR();
+    } else {
+      LIT("\\end{quote}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_LIST:
+    list_type = cmark_node_get_list_type(node);
+    if (entering) {
+      LIT("\\begin{");
+      LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
+      LIT("}");
+      CR();
+      list_number = cmark_node_get_list_start(node);
+      if (list_number > 1) {
+        enumlevel = S_get_enumlevel(node);
+        // latex normally supports only five levels
+        if (enumlevel >= 1 && enumlevel <= 5) {
+          snprintf(list_number_string, LIST_NUMBER_STRING_SIZE, "%d",
+                   list_number);
+          LIT("\\setcounter{enum");
+          switch (enumlevel) {
+          case 1: LIT("i"); break;
+          case 2: LIT("ii"); break;
+          case 3: LIT("iii"); break;
+          case 4: LIT("iv"); break;
+          case 5: LIT("v"); break;
+          default: LIT("i"); break;
+	  }
+          LIT("}{");
+          OUT(list_number_string, false, NORMAL);
+          LIT("}");
+        }
+        CR();
+      }
+    } else {
+      LIT("\\end{");
+      LIT(list_type == CMARK_ORDERED_LIST ? "enumerate" : "itemize");
+      LIT("}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_ITEM:
+    if (entering) {
+      LIT("\\item ");
+    } else {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_HEADING:
+    if (entering) {
+      switch (cmark_node_get_heading_level(node)) {
+      case 1:
+        LIT("\\section");
+        break;
+      case 2:
+        LIT("\\subsection");
+        break;
+      case 3:
+        LIT("\\subsubsection");
+        break;
+      case 4:
+        LIT("\\paragraph");
+        break;
+      case 5:
+        LIT("\\subparagraph");
+        break;
+      }
+      LIT("{");
+    } else {
+      LIT("}");
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_CODE_BLOCK:
+    CR();
+    LIT("\\begin{verbatim}");
+    CR();
+    OUT(cmark_node_get_literal(node), false, LITERAL);
+    CR();
+    LIT("\\end{verbatim}");
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_HTML_BLOCK:
+    break;
+
+  case CMARK_NODE_CUSTOM_BLOCK:
+    CR();
+    OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
+        false, LITERAL);
+    CR();
+    break;
+
+  case CMARK_NODE_THEMATIC_BREAK:
+    BLANKLINE();
+    LIT("\\begin{center}\\rule{0.5\\linewidth}{\\linethickness}\\end{center}");
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_PARAGRAPH:
+    if (!entering) {
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_TEXT:
+    OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
+    break;
+
+  case CMARK_NODE_LINEBREAK:
+    LIT("\\\\");
+    CR();
+    break;
+
+  case CMARK_NODE_SOFTBREAK:
+    if (options & CMARK_OPT_HARDBREAKS) {
+      LIT("\\\\");
+      CR();
+    } else if (renderer->width == 0 && !(CMARK_OPT_NOBREAKS & options)) {
+      CR();
+    } else {
+      OUT(" ", allow_wrap, NORMAL);
+    }
+    break;
+
+  case CMARK_NODE_CODE:
+    LIT("\\texttt{");
+    OUT(cmark_node_get_literal(node), false, NORMAL);
+    LIT("}");
+    break;
+
+  case CMARK_NODE_HTML_INLINE:
+    break;
+
+  case CMARK_NODE_CUSTOM_INLINE:
+    OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
+        false, LITERAL);
+    break;
+
+  case CMARK_NODE_STRONG:
+    if (node->parent == NULL || node->parent->type != CMARK_NODE_STRONG) {
+      if (entering) {
+        LIT("\\textbf{");
+      } else {
+        LIT("}");
+      }
+    }
+    break;
+
+  case CMARK_NODE_EMPH:
+    if (entering) {
+      LIT("\\emph{");
+    } else {
+      LIT("}");
+    }
+    break;
+
+  case CMARK_NODE_LINK:
+    if (entering) {
+      const char *url = cmark_node_get_url(node);
+      // requires \usepackage{hyperref}
+      switch (get_link_type(node)) {
+      case URL_AUTOLINK:
+        LIT("\\url{");
+        OUT(url, false, URL);
+        LIT("}");
+        return 0; // Don't process further nodes to avoid double-rendering artefacts
+      case EMAIL_AUTOLINK:
+        LIT("\\href{");
+        OUT(url, false, URL);
+        LIT("}\\nolinkurl{");
+        break;
+      case NORMAL_LINK:
+        LIT("\\href{");
+        OUT(url, false, URL);
+        LIT("}{");
+        break;
+      case INTERNAL_LINK:
+        LIT("\\protect\\hyperlink{");
+        OUT(url + 1, false, URL);
+        LIT("}{");
+        break;
+      case NO_LINK:
+        LIT("{"); // error?
+      }
+    } else {
+      LIT("}");
+    }
+
+    break;
+
+  case CMARK_NODE_IMAGE:
+    if (entering) {
+      LIT("\\protect\\includegraphics{");
+      // requires \include{graphicx}
+      OUT(cmark_node_get_url(node), false, URL);
+      LIT("}");
+      return 0;
+    }
+    break;
+
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+  case CMARK_NODE_ATTRIBUTE:
+    // TODO
+    break;
+
+  default:
+    assert(false);
+    break;
+  }
+
+  return 1;
+}
+
+char *cmark_render_latex(cmark_node *root, int options, int width) {
+  return cmark_render_latex_with_mem(root, options, width, cmark_node_mem(root));
+}
+
+char *cmark_render_latex_with_mem(cmark_node *root, int options, int width, cmark_mem *mem) {
+  return cmark_render(mem, root, options, width, outc, S_render_node);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/linked_list.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/linked_list.c
new file mode 100644
index 0000000000..8c26dc5575
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/linked_list.c
@@ -0,0 +1,37 @@
+#include 
+
+#include "cmark-gfm.h"
+
+cmark_llist *cmark_llist_append(cmark_mem *mem, cmark_llist *head, void *data) {
+  cmark_llist *tmp;
+  cmark_llist *new_node = (cmark_llist *) mem->calloc(1, sizeof(cmark_llist));
+
+  new_node->data = data;
+  new_node->next = NULL;
+
+  if (!head)
+    return new_node;
+
+  for (tmp = head; tmp->next; tmp=tmp->next);
+
+  tmp->next = new_node;
+
+  return head;
+}
+
+void cmark_llist_free_full(cmark_mem *mem, cmark_llist *head, cmark_free_func free_func) {
+  cmark_llist *tmp, *prev;
+
+  for (tmp = head; tmp;) {
+    if (free_func)
+      free_func(mem, tmp->data);
+
+    prev = tmp;
+    tmp = tmp->next;
+    mem->free(prev);
+  }
+}
+
+void cmark_llist_free(cmark_mem *mem, cmark_llist *head) {
+  cmark_llist_free_full(mem, head, NULL);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/man.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/man.c
new file mode 100644
index 0000000000..1baceb4c50
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/man.c
@@ -0,0 +1,278 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "node.h"
+#include "buffer.h"
+#include "utf8.h"
+#include "render.h"
+#include "syntax_extension.h"
+
+#define OUT(s, wrap, escaping) renderer->out(renderer, node, s, wrap, escaping)
+#define LIT(s) renderer->out(renderer, node, s, false, LITERAL)
+#define CR() renderer->cr(renderer)
+#define BLANKLINE() renderer->blankline(renderer)
+#define LIST_NUMBER_SIZE 20
+
+// Functions to convert cmark_nodes to groff man strings.
+static void S_outc(cmark_renderer *renderer, cmark_node *node, 
+                   cmark_escaping escape, int32_t c,
+                   unsigned char nextc) {
+  (void)(nextc);
+
+  if (escape == LITERAL) {
+    cmark_render_code_point(renderer, c);
+    return;
+  }
+
+  switch (c) {
+  case 46:
+    if (renderer->begin_line) {
+      cmark_render_ascii(renderer, "\\&.");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 39:
+    if (renderer->begin_line) {
+      cmark_render_ascii(renderer, "\\&'");
+    } else {
+      cmark_render_code_point(renderer, c);
+    }
+    break;
+  case 45:
+    cmark_render_ascii(renderer, "\\-");
+    break;
+  case 92:
+    cmark_render_ascii(renderer, "\\e");
+    break;
+  case 8216: // left single quote
+    cmark_render_ascii(renderer, "\\[oq]");
+    break;
+  case 8217: // right single quote
+    cmark_render_ascii(renderer, "\\[cq]");
+    break;
+  case 8220: // left double quote
+    cmark_render_ascii(renderer, "\\[lq]");
+    break;
+  case 8221: // right double quote
+    cmark_render_ascii(renderer, "\\[rq]");
+    break;
+  case 8212: // em dash
+    cmark_render_ascii(renderer, "\\[em]");
+    break;
+  case 8211: // en dash
+    cmark_render_ascii(renderer, "\\[en]");
+    break;
+  default:
+    cmark_render_code_point(renderer, c);
+  }
+}
+
+static int S_render_node(cmark_renderer *renderer, cmark_node *node,
+                         cmark_event_type ev_type, int options) {
+  int list_number;
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+  bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options);
+
+  if (node->extension && node->extension->man_render_func) {
+    node->extension->man_render_func(node->extension, renderer, node, ev_type, options);
+    return 1;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+    if (entering) {
+      /* Define a strikethrough macro */
+      /* Commenting out because this makes tests fail
+      LIT(".de ST");
+      CR();
+      LIT(".nr ww \\w'\\\\$1'");
+      CR();
+      LIT("\\Z@\\v'-.25m'\\l'\\\\n[ww]u'@\\\\$1");
+      CR();
+      LIT("..");
+      CR();
+      */
+    }
+    break;
+
+  case CMARK_NODE_BLOCK_QUOTE:
+    if (entering) {
+      CR();
+      LIT(".RS");
+      CR();
+    } else {
+      CR();
+      LIT(".RE");
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_LIST:
+    break;
+
+  case CMARK_NODE_ITEM:
+    if (entering) {
+      CR();
+      LIT(".IP ");
+      if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
+        LIT("\\[bu] 2");
+      } else {
+        list_number = cmark_node_get_item_index(node);
+        char list_number_s[LIST_NUMBER_SIZE];
+        snprintf(list_number_s, LIST_NUMBER_SIZE, "\"%d.\" 4", list_number);
+        LIT(list_number_s);
+      }
+      CR();
+    } else {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_HEADING:
+    if (entering) {
+      CR();
+      LIT(cmark_node_get_heading_level(node) == 1 ? ".SH" : ".SS");
+      CR();
+    } else {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_CODE_BLOCK:
+    CR();
+    LIT(".IP\n.nf\n\\f[C]\n");
+    OUT(cmark_node_get_literal(node), false, NORMAL);
+    CR();
+    LIT("\\f[]\n.fi");
+    CR();
+    break;
+
+  case CMARK_NODE_HTML_BLOCK:
+    break;
+
+  case CMARK_NODE_CUSTOM_BLOCK:
+    CR();
+    OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
+        false, LITERAL);
+    CR();
+    break;
+
+  case CMARK_NODE_THEMATIC_BREAK:
+    CR();
+    LIT(".PP\n  *  *  *  *  *");
+    CR();
+    break;
+
+  case CMARK_NODE_PARAGRAPH:
+    if (entering) {
+      // no blank line if first paragraph in list:
+      if (node->parent && node->parent->type == CMARK_NODE_ITEM &&
+          node->prev == NULL) {
+        // no blank line or .PP
+      } else {
+        CR();
+        LIT(".PP");
+        CR();
+      }
+    } else {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_TEXT:
+    OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
+    break;
+
+  case CMARK_NODE_LINEBREAK:
+    LIT(".PD 0\n.P\n.PD");
+    CR();
+    break;
+
+  case CMARK_NODE_SOFTBREAK:
+    if (options & CMARK_OPT_HARDBREAKS) {
+      LIT(".PD 0\n.P\n.PD");
+      CR();
+    } else if (renderer->width == 0 && !(CMARK_OPT_NOBREAKS & options)) {
+      CR();
+    } else {
+      OUT(" ", allow_wrap, LITERAL);
+    }
+    break;
+
+  case CMARK_NODE_CODE:
+    LIT("\\f[C]");
+    OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
+    LIT("\\f[]");
+    break;
+
+  case CMARK_NODE_HTML_INLINE:
+    break;
+
+  case CMARK_NODE_CUSTOM_INLINE:
+    OUT(entering ? cmark_node_get_on_enter(node) : cmark_node_get_on_exit(node),
+        false, LITERAL);
+    break;
+
+  case CMARK_NODE_STRONG:
+    if (node->parent == NULL || node->parent->type != CMARK_NODE_STRONG) {
+      if (entering) {
+        LIT("\\f[B]");
+      } else {
+        LIT("\\f[]");
+      }
+    }
+    break;
+
+  case CMARK_NODE_EMPH:
+    if (entering) {
+      LIT("\\f[I]");
+    } else {
+      LIT("\\f[]");
+    }
+    break;
+
+  case CMARK_NODE_LINK:
+    if (!entering) {
+      LIT(" (");
+      OUT(cmark_node_get_url(node), allow_wrap, URL);
+      LIT(")");
+    }
+    break;
+
+  case CMARK_NODE_IMAGE:
+    if (entering) {
+      LIT("[IMAGE: ");
+    } else {
+      LIT("]");
+    }
+    break;
+
+  case CMARK_NODE_ATTRIBUTE:
+    OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
+    break;
+
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+    // TODO
+    break;
+
+  default:
+    assert(false);
+    break;
+  }
+
+  return 1;
+}
+
+char *cmark_render_man(cmark_node *root, int options, int width) {
+  return cmark_render_man_with_mem(root, options, width, cmark_node_mem(root));
+}
+
+char *cmark_render_man_with_mem(cmark_node *root, int options, int width, cmark_mem *mem) {
+  return cmark_render(mem, root, options, width, S_outc, S_render_node);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/map.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/map.c
new file mode 100644
index 0000000000..f60f8fc608
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/map.c
@@ -0,0 +1,129 @@
+#include "map.h"
+#include "utf8.h"
+#include "parser.h"
+
+// normalize map label:  collapse internal whitespace to single space,
+// remove leading/trailing whitespace, case fold
+// Return NULL if the label is actually empty (i.e. composed solely from
+// whitespace)
+unsigned char *normalize_map_label(cmark_mem *mem, cmark_chunk *ref) {
+  cmark_strbuf normalized = CMARK_BUF_INIT(mem);
+  unsigned char *result;
+
+  if (ref == NULL)
+    return NULL;
+
+  if (ref->len == 0)
+    return NULL;
+
+  cmark_utf8proc_case_fold(&normalized, ref->data, ref->len);
+  cmark_strbuf_trim(&normalized);
+  cmark_strbuf_normalize_whitespace(&normalized);
+
+  result = cmark_strbuf_detach(&normalized);
+  assert(result);
+
+  if (result[0] == '\0') {
+    mem->free(result);
+    return NULL;
+  }
+
+  return result;
+}
+
+static int
+labelcmp(const unsigned char *a, const unsigned char *b) {
+  return strcmp((const char *)a, (const char *)b);
+}
+
+static int
+refcmp(const void *p1, const void *p2) {
+  cmark_map_entry *r1 = *(cmark_map_entry **)p1;
+  cmark_map_entry *r2 = *(cmark_map_entry **)p2;
+  int res = labelcmp(r1->label, r2->label);
+  return res ? res : ((int)r1->age - (int)r2->age);
+}
+
+static int
+refsearch(const void *label, const void *p2) {
+  cmark_map_entry *ref = *(cmark_map_entry **)p2;
+  return labelcmp((const unsigned char *)label, ref->label);
+}
+
+static void sort_map(cmark_map *map) {
+  size_t i = 0, last = 0, size = map->size;
+  cmark_map_entry *r = map->refs, **sorted = NULL;
+
+  sorted = (cmark_map_entry **)map->mem->calloc(size, sizeof(cmark_map_entry *));
+  while (r) {
+    sorted[i++] = r;
+    r = r->next;
+  }
+
+  qsort(sorted, size, sizeof(cmark_map_entry *), refcmp);
+
+  for (i = 1; i < size; i++) {
+    if (labelcmp(sorted[i]->label, sorted[last]->label) != 0)
+      sorted[++last] = sorted[i];
+  }
+
+  map->sorted = sorted;
+  map->size = last + 1;
+}
+
+cmark_map_entry *cmark_map_lookup(cmark_map *map, cmark_chunk *label) {
+  cmark_map_entry **ref = NULL;
+  cmark_map_entry *r = NULL;
+  unsigned char *norm;
+
+  if (label->len < 1 || label->len > MAX_LINK_LABEL_LENGTH)
+    return NULL;
+
+  if (map == NULL || !map->size)
+    return NULL;
+
+  norm = normalize_map_label(map->mem, label);
+  if (norm == NULL)
+    return NULL;
+
+  if (!map->sorted)
+    sort_map(map);
+
+  ref = (cmark_map_entry **)bsearch(norm, map->sorted, map->size, sizeof(cmark_map_entry *), refsearch);
+  map->mem->free(norm);
+
+  if (ref != NULL) {
+    r = ref[0];
+    /* Check for expansion limit */
+    if (r->size > map->max_ref_size - map->ref_size)
+      return NULL;
+    map->ref_size += r->size;
+  }
+
+  return r;
+}
+
+void cmark_map_free(cmark_map *map) {
+  cmark_map_entry *ref;
+
+  if (map == NULL)
+    return;
+
+  ref = map->refs;
+  while (ref) {
+    cmark_map_entry *next = ref->next;
+    map->free(map, ref);
+    ref = next;
+  }
+
+  map->mem->free(map->sorted);
+  map->mem->free(map);
+}
+
+cmark_map *cmark_map_new(cmark_mem *mem, cmark_map_free_f free) {
+  cmark_map *map = (cmark_map *)mem->calloc(1, sizeof(cmark_map));
+  map->mem = mem;
+  map->free = free;
+  map->max_ref_size = UINT_MAX;
+  return map;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/node.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/node.c
new file mode 100644
index 0000000000..8088e681a7
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/node.c
@@ -0,0 +1,1120 @@
+#include 
+#include 
+#include 
+
+#include "mutex.h"
+#include "node.h"
+#include "syntax_extension.h"
+
+CMARK_DEFINE_LOCK(nextflag)
+CMARK_DEFINE_LOCK(safety)
+
+/**
+ * Expensive safety checks are off by default, but can be enabled
+ * by calling cmark_enable_safety_checks().
+ */
+static bool enable_safety_checks = false;
+
+void cmark_enable_safety_checks(bool enable) {
+  CMARK_INITIALIZE_AND_LOCK(safety);
+  enable_safety_checks = enable;
+  CMARK_UNLOCK(safety);
+}
+
+/**
+ * Check whether safety checks have been enabled in a function to guard access
+ * behind a lock.
+ */
+static bool S_safety_checks_enabled() {
+  CMARK_INITIALIZE_AND_LOCK(safety);
+  bool safety_enabled = enable_safety_checks;
+  CMARK_UNLOCK(safety);
+  return safety_enabled;
+}
+
+static void S_node_unlink(cmark_node *node);
+
+#define NODE_MEM(node) cmark_node_mem(node)
+
+void cmark_register_node_flag(cmark_node_internal_flags *flags) {
+  CMARK_INITIALIZE_AND_LOCK(nextflag);
+
+  static cmark_node_internal_flags nextflag = CMARK_NODE__REGISTER_FIRST;
+
+  // flags should be a pointer to a global variable and this function
+  // should only be called once to initialize its value.
+  if (*flags) {
+    fprintf(stderr, "flag initialization error in cmark_register_node_flag\n");
+    abort();
+  }
+
+  // Check that we haven't run out of bits.
+  if (nextflag == 0) {
+    fprintf(stderr, "too many flags in cmark_register_node_flag\n");
+    abort();
+  }
+
+  *flags = nextflag;
+  nextflag <<= 1;
+
+  CMARK_UNLOCK(nextflag);
+}
+
+void cmark_init_standard_node_flags(void) {}
+
+bool cmark_node_can_contain_type(cmark_node *node, cmark_node_type child_type) {
+  if (child_type == CMARK_NODE_DOCUMENT) {
+      return false;
+    }
+
+  if (node->extension && node->extension->can_contain_func) {
+    return node->extension->can_contain_func(node->extension, node, child_type) != 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+  case CMARK_NODE_BLOCK_QUOTE:
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+  case CMARK_NODE_ITEM:
+    return CMARK_NODE_TYPE_BLOCK_P(child_type) && child_type != CMARK_NODE_ITEM;
+
+  case CMARK_NODE_LIST:
+    return child_type == CMARK_NODE_ITEM;
+
+  case CMARK_NODE_CUSTOM_BLOCK:
+    return true;
+
+  case CMARK_NODE_PARAGRAPH:
+  case CMARK_NODE_HEADING:
+  case CMARK_NODE_EMPH:
+  case CMARK_NODE_STRONG:
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+  case CMARK_NODE_ATTRIBUTE:
+  case CMARK_NODE_CUSTOM_INLINE:
+    return CMARK_NODE_TYPE_INLINE_P(child_type);
+
+  default:
+    break;
+  }
+
+  return false;
+}
+
+static bool S_can_contain(cmark_node *node, cmark_node *child) {
+  if (node == NULL || child == NULL) {
+    return false;
+  }
+  if (NODE_MEM(node) != NODE_MEM(child)) {
+    return 0;
+  }
+
+  if (S_safety_checks_enabled()) {
+    // Verify that child is not an ancestor of node or equal to node.
+    cmark_node *cur = node;
+    do {
+      if (cur == child) {
+        return false;
+      }
+      cur = cur->parent;
+    } while (cur != NULL);
+  }
+
+  return cmark_node_can_contain_type(node, (cmark_node_type) child->type);
+}
+
+cmark_node *cmark_node_new_with_mem_and_ext(cmark_node_type type, cmark_mem *mem, cmark_syntax_extension *extension) {
+  cmark_node *node = (cmark_node *)mem->calloc(1, sizeof(*node));
+  cmark_strbuf_init(mem, &node->content, 0);
+  node->type = (uint16_t)type;
+  node->extension = extension;
+
+  switch (node->type) {
+  case CMARK_NODE_HEADING:
+    node->as.heading.level = 1;
+    break;
+
+  case CMARK_NODE_LIST: {
+    cmark_list *list = &node->as.list;
+    list->list_type = CMARK_BULLET_LIST;
+    list->start = 0;
+    list->tight = false;
+    break;
+  }
+
+  default:
+    break;
+  }
+
+  if (node->extension && node->extension->opaque_alloc_func) {
+    node->extension->opaque_alloc_func(node->extension, mem, node);
+  }
+
+  return node;
+}
+
+cmark_node *cmark_node_new_with_ext(cmark_node_type type, cmark_syntax_extension *extension) {
+  extern cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR;
+  return cmark_node_new_with_mem_and_ext(type, &CMARK_DEFAULT_MEM_ALLOCATOR, extension);
+}
+
+cmark_node *cmark_node_new_with_mem(cmark_node_type type, cmark_mem *mem)
+{
+  return cmark_node_new_with_mem_and_ext(type, mem, NULL);
+}
+
+cmark_node *cmark_node_new(cmark_node_type type) {
+  return cmark_node_new_with_ext(type, NULL);
+}
+
+static void free_node_as(cmark_node *node) {
+  switch (node->type) {
+    case CMARK_NODE_CODE_BLOCK:
+    cmark_chunk_free(NODE_MEM(node), &node->as.code.info);
+    cmark_chunk_free(NODE_MEM(node), &node->as.code.literal);
+      break;
+    case CMARK_NODE_TEXT:
+    case CMARK_NODE_HTML_INLINE:
+    case CMARK_NODE_CODE:
+    case CMARK_NODE_HTML_BLOCK:
+    case CMARK_NODE_FOOTNOTE_REFERENCE:
+    case CMARK_NODE_FOOTNOTE_DEFINITION:
+    cmark_chunk_free(NODE_MEM(node), &node->as.literal);
+      break;
+    case CMARK_NODE_LINK:
+    case CMARK_NODE_IMAGE:
+    cmark_chunk_free(NODE_MEM(node), &node->as.link.url);
+    cmark_chunk_free(NODE_MEM(node), &node->as.link.title);
+      break;
+    case CMARK_NODE_ATTRIBUTE:
+    cmark_chunk_free(NODE_MEM(node), &node->as.attribute.attributes);
+      break;
+    case CMARK_NODE_CUSTOM_BLOCK:
+    case CMARK_NODE_CUSTOM_INLINE:
+    cmark_chunk_free(NODE_MEM(node), &node->as.custom.on_enter);
+    cmark_chunk_free(NODE_MEM(node), &node->as.custom.on_exit);
+      break;
+    default:
+      break;
+    }
+}
+
+// Free a cmark_node list and any children.
+static void S_free_nodes(cmark_node *e) {
+  cmark_node *next;
+  while (e != NULL) {
+    cmark_strbuf_free(&e->content);
+
+    if (e->user_data && e->user_data_free_func)
+      e->user_data_free_func(NODE_MEM(e), e->user_data);
+
+    if (e->as.opaque && e->extension && e->extension->opaque_free_func)
+      e->extension->opaque_free_func(e->extension, NODE_MEM(e), e);
+
+    free_node_as(e);
+
+    if (e->last_child) {
+      // Splice children into list
+      e->last_child->next = e->next;
+      e->next = e->first_child;
+    }
+    next = e->next;
+    NODE_MEM(e)->free(e);
+    e = next;
+  }
+}
+
+void cmark_node_free(cmark_node *node) {
+  S_node_unlink(node);
+  node->next = NULL;
+  S_free_nodes(node);
+}
+
+cmark_node_type cmark_node_get_type(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NODE_NONE;
+  } else {
+    return (cmark_node_type)node->type;
+  }
+}
+
+int cmark_node_set_type(cmark_node * node, cmark_node_type type) {
+  cmark_node_type initial_type;
+
+  if (type == node->type)
+    return 1;
+
+  initial_type = (cmark_node_type) node->type;
+  node->type = (uint16_t)type;
+
+  if (!S_can_contain(node->parent, node)) {
+    node->type = (uint16_t)initial_type;
+    return 0;
+  }
+
+  /* We rollback the type to free the union members appropriately */
+  node->type = (uint16_t)initial_type;
+  free_node_as(node);
+
+  node->type = (uint16_t)type;
+
+  return 1;
+}
+
+const char *cmark_node_get_type_string(cmark_node *node) {
+  if (node == NULL) {
+    return "NONE";
+  }
+
+  if (node->extension && node->extension->get_type_string_func) {
+    return node->extension->get_type_string_func(node->extension, node);
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_NONE:
+    return "none";
+  case CMARK_NODE_DOCUMENT:
+    return "document";
+  case CMARK_NODE_BLOCK_QUOTE:
+    return "block_quote";
+  case CMARK_NODE_LIST:
+    return "list";
+  case CMARK_NODE_ITEM:
+    return "item";
+  case CMARK_NODE_CODE_BLOCK:
+    return "code_block";
+  case CMARK_NODE_HTML_BLOCK:
+    return "html_block";
+  case CMARK_NODE_CUSTOM_BLOCK:
+    return "custom_block";
+  case CMARK_NODE_PARAGRAPH:
+    return "paragraph";
+  case CMARK_NODE_HEADING:
+    return "heading";
+  case CMARK_NODE_THEMATIC_BREAK:
+    return "thematic_break";
+  case CMARK_NODE_TEXT:
+    return "text";
+  case CMARK_NODE_SOFTBREAK:
+    return "softbreak";
+  case CMARK_NODE_LINEBREAK:
+    return "linebreak";
+  case CMARK_NODE_CODE:
+    return "code";
+  case CMARK_NODE_HTML_INLINE:
+    return "html_inline";
+  case CMARK_NODE_CUSTOM_INLINE:
+    return "custom_inline";
+  case CMARK_NODE_EMPH:
+    return "emph";
+  case CMARK_NODE_STRONG:
+    return "strong";
+  case CMARK_NODE_LINK:
+    return "link";
+  case CMARK_NODE_IMAGE:
+    return "image";
+  case CMARK_NODE_ATTRIBUTE:
+    return "attribute";
+  }
+
+  return "";
+}
+
+cmark_node *cmark_node_next(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->next;
+  }
+}
+
+cmark_node *cmark_node_previous(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->prev;
+  }
+}
+
+cmark_node *cmark_node_parent(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->parent;
+  }
+}
+
+cmark_node *cmark_node_first_child(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->first_child;
+  }
+}
+
+cmark_node *cmark_node_last_child(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->last_child;
+  }
+}
+
+cmark_node *cmark_node_nth_child(cmark_node *node, int n) {
+  if (node == NULL) {
+    return NULL;
+  }
+  int i = 0;
+  cmark_node *ret = node->first_child;
+  while (ret && i < n) {
+    ret = ret->next;
+    ++i;
+  }
+  return ret;
+}
+
+cmark_node *cmark_node_parent_footnote_def(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->parent_footnote_def;
+  }
+}
+
+void *cmark_node_get_user_data(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  } else {
+    return node->user_data;
+  }
+}
+
+int cmark_node_set_user_data(cmark_node *node, void *user_data) {
+  if (node == NULL) {
+    return 0;
+  }
+  node->user_data = user_data;
+  return 1;
+}
+
+int cmark_node_set_user_data_free_func(cmark_node *node,
+                                        cmark_free_func free_func) {
+  if (node == NULL) {
+    return 0;
+  }
+  node->user_data_free_func = free_func;
+  return 1;
+}
+
+const char *cmark_node_get_literal(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HTML_BLOCK:
+  case CMARK_NODE_TEXT:
+  case CMARK_NODE_HTML_INLINE:
+  case CMARK_NODE_CODE:
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.literal);
+
+  case CMARK_NODE_CODE_BLOCK:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.code.literal);
+
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_get_backtick_count(cmark_node *node) {
+  return node->backtick_count;
+}
+
+int cmark_node_set_literal(cmark_node *node, const char *content) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HTML_BLOCK:
+  case CMARK_NODE_TEXT:
+  case CMARK_NODE_HTML_INLINE:
+  case CMARK_NODE_CODE:
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.literal, content);
+    return 1;
+
+  case CMARK_NODE_CODE_BLOCK:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.code.literal, content);
+    return 1;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_string_content(cmark_node *node) {
+  return (char *) node->content.ptr;
+}
+
+int cmark_node_set_string_content(cmark_node *node, const char *content) {
+  cmark_strbuf_sets(&node->content, content);
+  return true;
+}
+
+int cmark_node_get_heading_level(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HEADING:
+    return node->as.heading.level;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+int cmark_node_set_heading_level(cmark_node *node, int level) {
+  if (node == NULL || level < 1 || level > 6) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_HEADING:
+    node->as.heading.level = level;
+    return 1;
+
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+cmark_list_type cmark_node_get_list_type(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NO_LIST;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.list_type;
+  } else {
+    return CMARK_NO_LIST;
+  }
+}
+
+int cmark_node_set_list_type(cmark_node *node, cmark_list_type type) {
+  if (!(type == CMARK_BULLET_LIST || type == CMARK_ORDERED_LIST)) {
+    return 0;
+  }
+
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.list_type = type;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+cmark_delim_type cmark_node_get_list_delim(cmark_node *node) {
+  if (node == NULL) {
+    return CMARK_NO_DELIM;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.delimiter;
+  } else {
+    return CMARK_NO_DELIM;
+  }
+}
+
+int cmark_node_set_list_delim(cmark_node *node, cmark_delim_type delim) {
+  if (!(delim == CMARK_PERIOD_DELIM || delim == CMARK_PAREN_DELIM)) {
+    return 0;
+  }
+
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.delimiter = delim;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_list_start(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.start;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_list_start(cmark_node *node, int start) {
+  if (node == NULL || start < 0) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.start = start;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_list_tight(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    return node->as.list.tight;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_list_tight(cmark_node *node, int tight) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_LIST) {
+    node->as.list.tight = tight == 1;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_item_index(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_ITEM) {
+    return node->as.list.start;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_item_index(cmark_node *node, int idx) {
+  if (node == NULL || idx < 0) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_ITEM) {
+    node->as.list.start = idx;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+const char *cmark_node_get_fence_info(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  if (node->type == CMARK_NODE_CODE_BLOCK) {
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.code.info);
+  } else {
+    return NULL;
+  }
+}
+
+int cmark_node_set_fence_info(cmark_node *node, const char *info) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_CODE_BLOCK) {
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.code.info, info);
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_get_fenced(cmark_node *node, int *length, int *offset, char *character) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_CODE_BLOCK) {
+    *length = node->as.code.fence_length;
+    *offset = node->as.code.fence_offset;
+    *character = node->as.code.fence_char;
+    return node->as.code.fenced;
+  } else {
+    return 0;
+  }
+}
+
+int cmark_node_set_fenced(cmark_node * node, int fenced,
+    int length, int offset, char character) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  if (node->type == CMARK_NODE_CODE_BLOCK) {
+    node->as.code.fenced = (int8_t)fenced;
+    node->as.code.fence_length = (uint8_t)length;
+    node->as.code.fence_offset = (uint8_t)offset;
+    node->as.code.fence_char = character;
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+const char *cmark_node_get_url(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.link.url);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_url(cmark_node *node, const char *url) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.link.url, url);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_title(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.link.title);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_title(cmark_node *node, const char *title) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_LINK:
+  case CMARK_NODE_IMAGE:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.link.title, title);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_attributes(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_ATTRIBUTE:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.attribute.attributes);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_attributes(cmark_node *node, const char *attributes) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_ATTRIBUTE:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.attribute.attributes, attributes);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_on_enter(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_CUSTOM_INLINE:
+  case CMARK_NODE_CUSTOM_BLOCK:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.custom.on_enter);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_on_enter(cmark_node *node, const char *on_enter) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_CUSTOM_INLINE:
+  case CMARK_NODE_CUSTOM_BLOCK:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.custom.on_enter, on_enter);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+const char *cmark_node_get_on_exit(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_CUSTOM_INLINE:
+  case CMARK_NODE_CUSTOM_BLOCK:
+    return cmark_chunk_to_cstr(NODE_MEM(node), &node->as.custom.on_exit);
+  default:
+    break;
+  }
+
+  return NULL;
+}
+
+int cmark_node_set_on_exit(cmark_node *node, const char *on_exit) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_CUSTOM_INLINE:
+  case CMARK_NODE_CUSTOM_BLOCK:
+    cmark_chunk_set_cstr(NODE_MEM(node), &node->as.custom.on_exit, on_exit);
+    return 1;
+  default:
+    break;
+  }
+
+  return 0;
+}
+
+cmark_syntax_extension *cmark_node_get_syntax_extension(cmark_node *node) {
+  if (node == NULL) {
+    return NULL;
+  }
+
+  return node->extension;
+}
+
+int cmark_node_set_syntax_extension(cmark_node *node, cmark_syntax_extension *extension) {
+  if (node == NULL) {
+    return 0;
+  }
+
+  node->extension = extension;
+  return 1;
+}
+
+int cmark_node_get_start_line(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->start_line;
+}
+
+int cmark_node_get_start_column(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->start_column;
+}
+
+int cmark_node_get_end_line(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->end_line;
+}
+
+int cmark_node_get_end_column(cmark_node *node) {
+  if (node == NULL) {
+    return 0;
+  }
+  return node->end_column;
+}
+
+// Unlink a node without adjusting its next, prev, and parent pointers.
+static void S_node_unlink(cmark_node *node) {
+  if (node == NULL) {
+    return;
+  }
+
+  if (node->prev) {
+    node->prev->next = node->next;
+  }
+  if (node->next) {
+    node->next->prev = node->prev;
+  }
+
+  // Adjust first_child and last_child of parent.
+  cmark_node *parent = node->parent;
+  if (parent) {
+    if (parent->first_child == node) {
+      parent->first_child = node->next;
+    }
+    if (parent->last_child == node) {
+      parent->last_child = node->prev;
+    }
+  }
+}
+
+void cmark_node_unlink(cmark_node *node) {
+  S_node_unlink(node);
+
+  node->next = NULL;
+  node->prev = NULL;
+  node->parent = NULL;
+}
+
+int cmark_node_insert_before(cmark_node *node, cmark_node *sibling) {
+  if (node == NULL || sibling == NULL) {
+    return 0;
+  }
+
+  if (!node->parent || !S_can_contain(node->parent, sibling)) {
+    return 0;
+  }
+
+  S_node_unlink(sibling);
+
+  cmark_node *old_prev = node->prev;
+
+  // Insert 'sibling' between 'old_prev' and 'node'.
+  if (old_prev) {
+    old_prev->next = sibling;
+  }
+  sibling->prev = old_prev;
+  sibling->next = node;
+  node->prev = sibling;
+
+  // Set new parent.
+  cmark_node *parent = node->parent;
+  sibling->parent = parent;
+
+  // Adjust first_child of parent if inserted as first child.
+  if (parent && !old_prev) {
+    parent->first_child = sibling;
+  }
+
+  return 1;
+}
+
+int cmark_node_insert_after(cmark_node *node, cmark_node *sibling) {
+  if (node == NULL || sibling == NULL) {
+    return 0;
+  }
+
+  if (!node->parent || !S_can_contain(node->parent, sibling)) {
+    return 0;
+  }
+
+  S_node_unlink(sibling);
+
+  cmark_node *old_next = node->next;
+
+  // Insert 'sibling' between 'node' and 'old_next'.
+  if (old_next) {
+    old_next->prev = sibling;
+  }
+  sibling->next = old_next;
+  sibling->prev = node;
+  node->next = sibling;
+
+  // Set new parent.
+  cmark_node *parent = node->parent;
+  sibling->parent = parent;
+
+  // Adjust last_child of parent if inserted as last child.
+  if (parent && !old_next) {
+    parent->last_child = sibling;
+  }
+
+  return 1;
+}
+
+int cmark_node_replace(cmark_node *oldnode, cmark_node *newnode) {
+  if (!cmark_node_insert_before(oldnode, newnode)) {
+    return 0;
+  }
+  cmark_node_unlink(oldnode);
+  return 1;
+}
+
+int cmark_node_prepend_child(cmark_node *node, cmark_node *child) {
+  if (!S_can_contain(node, child)) {
+    return 0;
+  }
+
+  S_node_unlink(child);
+
+  cmark_node *old_first_child = node->first_child;
+
+  child->next = old_first_child;
+  child->prev = NULL;
+  child->parent = node;
+  node->first_child = child;
+
+  if (old_first_child) {
+    old_first_child->prev = child;
+  } else {
+    // Also set last_child if node previously had no children.
+    node->last_child = child;
+  }
+
+  return 1;
+}
+
+int cmark_node_append_child(cmark_node *node, cmark_node *child) {
+  if (!S_can_contain(node, child)) {
+    return 0;
+  }
+
+  S_node_unlink(child);
+
+  cmark_node *old_last_child = node->last_child;
+
+  child->next = NULL;
+  child->prev = old_last_child;
+  child->parent = node;
+  node->last_child = child;
+
+  if (old_last_child) {
+    old_last_child->next = child;
+  } else {
+    // Also set first_child if node previously had no children.
+    node->first_child = child;
+  }
+
+  return 1;
+}
+
+static void S_print_error(FILE *out, cmark_node *node, const char *elem) {
+  if (out == NULL) {
+    return;
+  }
+  fprintf(out, "Invalid '%s' in node type %s at %d:%d\n", elem,
+          cmark_node_get_type_string(node), node->start_line,
+          node->start_column);
+}
+
+int cmark_node_check(cmark_node *node, FILE *out) {
+  cmark_node *cur;
+  int errors = 0;
+
+  if (!node) {
+    return 0;
+  }
+
+  cur = node;
+  for (;;) {
+    if (cur->first_child) {
+      if (cur->first_child->prev != NULL) {
+        S_print_error(out, cur->first_child, "prev");
+        cur->first_child->prev = NULL;
+        ++errors;
+      }
+      if (cur->first_child->parent != cur) {
+        S_print_error(out, cur->first_child, "parent");
+        cur->first_child->parent = cur;
+        ++errors;
+      }
+      cur = cur->first_child;
+      continue;
+    }
+
+  next_sibling:
+    if (cur == node) {
+      break;
+    }
+    if (cur->next) {
+      if (cur->next->prev != cur) {
+        S_print_error(out, cur->next, "prev");
+        cur->next->prev = cur;
+        ++errors;
+      }
+      if (cur->next->parent != cur->parent) {
+        S_print_error(out, cur->next, "parent");
+        cur->next->parent = cur->parent;
+        ++errors;
+      }
+      cur = cur->next;
+      continue;
+    }
+
+    if (cur->parent->last_child != cur) {
+      S_print_error(out, cur->parent, "last_child");
+      cur->parent->last_child = cur;
+      ++errors;
+    }
+    cur = cur->parent;
+    goto next_sibling;
+  }
+
+  return errors;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plaintext.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plaintext.c
new file mode 100644
index 0000000000..f464ac3339
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plaintext.c
@@ -0,0 +1,223 @@
+#include 
+
+#include "node.h"
+#include "syntax_extension.h"
+#include "render.h"
+
+#define OUT(s, wrap, escaping) renderer->out(renderer, node, s, wrap, escaping)
+#define LIT(s) renderer->out(renderer, node, s, false, LITERAL)
+#define CR() renderer->cr(renderer)
+#define BLANKLINE() renderer->blankline(renderer)
+#define LISTMARKER_SIZE 20
+
+// Functions to convert cmark_nodes to plain text strings.
+
+static inline void outc(cmark_renderer *renderer, cmark_node *node,
+                        cmark_escaping escape, int32_t c, unsigned char nextc) {
+  cmark_render_code_point(renderer, c);
+}
+
+static int S_render_node(cmark_renderer *renderer, cmark_node *node,
+                         cmark_event_type ev_type, int options) {
+  int list_number;
+  cmark_delim_type list_delim;
+  int i;
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+  char listmarker[LISTMARKER_SIZE];
+  bool first_in_list_item;
+  bufsize_t marker_width;
+  bool allow_wrap = renderer->width > 0 && !(CMARK_OPT_NOBREAKS & options) &&
+                    !(CMARK_OPT_HARDBREAKS & options);
+
+  // Don't adjust tight list status til we've started the list.
+  // Otherwise we loose the blank line between a paragraph and
+  // a following list.
+  if (entering) {
+    if (node->parent && node->parent->type == CMARK_NODE_ITEM) {
+      renderer->in_tight_list_item = node->parent->parent->as.list.tight;
+    }
+  } else {
+    if (node->type == CMARK_NODE_LIST) {
+      renderer->in_tight_list_item =
+        node->parent &&
+        node->parent->type == CMARK_NODE_ITEM &&
+        node->parent->parent->as.list.tight;
+    }
+  }
+
+  if (node->extension && node->extension->plaintext_render_func) {
+    node->extension->plaintext_render_func(node->extension, renderer, node, ev_type, options);
+    return 1;
+  }
+
+  switch (node->type) {
+  case CMARK_NODE_DOCUMENT:
+    break;
+
+  case CMARK_NODE_BLOCK_QUOTE:
+    break;
+
+  case CMARK_NODE_LIST:
+    if (!entering && node->next && (node->next->type == CMARK_NODE_CODE_BLOCK ||
+                                    node->next->type == CMARK_NODE_LIST)) {
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_ITEM:
+    if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
+      marker_width = 4;
+    } else {
+      list_number = cmark_node_get_item_index(node);
+      list_delim = cmark_node_get_list_delim(node->parent);
+      // we ensure a width of at least 4 so
+      // we get nice transition from single digits
+      // to double
+      snprintf(listmarker, LISTMARKER_SIZE, "%d%s%s", list_number,
+               list_delim == CMARK_PAREN_DELIM ? ")" : ".",
+               list_number < 10 ? "  " : " ");
+      marker_width = (bufsize_t)strlen(listmarker);
+    }
+    if (entering) {
+      if (cmark_node_get_list_type(node->parent) == CMARK_BULLET_LIST) {
+        LIT("  - ");
+        renderer->begin_content = true;
+      } else {
+        LIT(listmarker);
+        renderer->begin_content = true;
+      }
+      for (i = marker_width; i--;) {
+        cmark_strbuf_putc(renderer->prefix, ' ');
+      }
+    } else {
+      cmark_strbuf_truncate(renderer->prefix,
+                            renderer->prefix->size - marker_width);
+      CR();
+    }
+    break;
+
+  case CMARK_NODE_HEADING:
+    if (entering) {
+      renderer->begin_content = true;
+      renderer->no_linebreaks = true;
+    } else {
+      renderer->no_linebreaks = false;
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_CODE_BLOCK:
+    first_in_list_item = node->prev == NULL && node->parent &&
+                         node->parent->type == CMARK_NODE_ITEM;
+
+    if (!first_in_list_item) {
+      BLANKLINE();
+    }
+    OUT(cmark_node_get_literal(node), false, LITERAL);
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_HTML_BLOCK:
+    break;
+
+  case CMARK_NODE_CUSTOM_BLOCK:
+    break;
+
+  case CMARK_NODE_THEMATIC_BREAK:
+    BLANKLINE();
+    break;
+
+  case CMARK_NODE_PARAGRAPH:
+    if (!entering) {
+      BLANKLINE();
+    }
+    break;
+
+  case CMARK_NODE_TEXT:
+    OUT(cmark_node_get_literal(node), allow_wrap, NORMAL);
+    break;
+
+  case CMARK_NODE_LINEBREAK:
+    CR();
+    break;
+
+  case CMARK_NODE_SOFTBREAK:
+    if (CMARK_OPT_HARDBREAKS & options) {
+      CR();
+    } else if (!renderer->no_linebreaks && renderer->width == 0 &&
+               !(CMARK_OPT_HARDBREAKS & options) &&
+               !(CMARK_OPT_NOBREAKS & options)) {
+      CR();
+    } else {
+      OUT(" ", allow_wrap, LITERAL);
+    }
+    break;
+
+  case CMARK_NODE_CODE:
+    OUT(cmark_node_get_literal(node), allow_wrap, LITERAL);
+    break;
+
+  case CMARK_NODE_HTML_INLINE:
+    break;
+
+  case CMARK_NODE_CUSTOM_INLINE:
+    break;
+
+  case CMARK_NODE_STRONG:
+    break;
+
+  case CMARK_NODE_EMPH:
+    break;
+
+  case CMARK_NODE_LINK:
+    break;
+
+  case CMARK_NODE_IMAGE:
+    break;
+
+  case CMARK_NODE_ATTRIBUTE:
+    OUT(cmark_chunk_to_cstr(renderer->mem, &node->as.literal), false, LITERAL);
+    break;
+
+  case CMARK_NODE_FOOTNOTE_REFERENCE:
+    if (entering) {
+      LIT("[^");
+      OUT(cmark_chunk_to_cstr(renderer->mem, &node->as.literal), false, LITERAL);
+      LIT("]");
+    }
+    break;
+
+  case CMARK_NODE_FOOTNOTE_DEFINITION:
+    if (entering) {
+      renderer->footnote_ix += 1;
+      LIT("[^");
+      char n[32];
+      snprintf(n, sizeof(n), "%d", renderer->footnote_ix);
+      OUT(n, false, LITERAL);
+      LIT("]: ");
+
+      cmark_strbuf_puts(renderer->prefix, "    ");
+    } else {
+      cmark_strbuf_truncate(renderer->prefix, renderer->prefix->size - 4);
+    }
+    break;
+  default:
+    assert(false);
+    break;
+  }
+
+  return 1;
+}
+
+char *cmark_render_plaintext(cmark_node *root, int options, int width) {
+  return cmark_render_plaintext_with_mem(root, options, width, cmark_node_mem(root));
+}
+
+char *cmark_render_plaintext_with_mem(cmark_node *root, int options, int width, cmark_mem *mem) {
+  if (options & CMARK_OPT_HARDBREAKS) {
+    // disable breaking on width, since it has
+    // a different meaning with OPT_HARDBREAKS
+    width = 0;
+  }
+  return cmark_render(mem, root, options, width, outc, S_render_node);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plugin.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plugin.c
new file mode 100644
index 0000000000..3992fe1970
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/plugin.c
@@ -0,0 +1,36 @@
+#include 
+
+#include "plugin.h"
+
+extern cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR;
+
+int cmark_plugin_register_syntax_extension(cmark_plugin    * plugin,
+                                        cmark_syntax_extension * extension) {
+  plugin->syntax_extensions = cmark_llist_append(&CMARK_DEFAULT_MEM_ALLOCATOR, plugin->syntax_extensions, extension);
+  return 1;
+}
+
+cmark_plugin *
+cmark_plugin_new(void) {
+  cmark_plugin *res = (cmark_plugin *) CMARK_DEFAULT_MEM_ALLOCATOR.calloc(1, sizeof(cmark_plugin));
+
+  res->syntax_extensions = NULL;
+
+  return res;
+}
+
+void
+cmark_plugin_free(cmark_plugin *plugin) {
+  cmark_llist_free_full(&CMARK_DEFAULT_MEM_ALLOCATOR,
+                        plugin->syntax_extensions,
+                        (cmark_free_func) cmark_syntax_extension_free);
+  CMARK_DEFAULT_MEM_ALLOCATOR.free(plugin);
+}
+
+cmark_llist *
+cmark_plugin_steal_syntax_extensions(cmark_plugin *plugin) {
+  cmark_llist *res = plugin->syntax_extensions;
+
+  plugin->syntax_extensions = NULL;
+  return res;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/references.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/references.c
new file mode 100644
index 0000000000..6dec0637a5
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/references.c
@@ -0,0 +1,72 @@
+#include 
+
+#include "cmark-gfm.h"
+#include "parser.h"
+#include "references.h"
+#include "inlines.h"
+#include "chunk.h"
+
+static void reference_free(cmark_map *map, cmark_map_entry *_ref) {
+  cmark_reference *ref = (cmark_reference *)_ref;
+  cmark_mem *mem = map->mem;
+  if (ref != NULL) {
+    mem->free(ref->entry.label);
+    cmark_chunk_free(mem, &ref->url);
+    cmark_chunk_free(mem, &ref->title);
+    cmark_chunk_free(mem, &ref->attributes);
+    mem->free(ref);
+  }
+}
+
+void cmark_reference_create(cmark_map *map, cmark_chunk *label,
+                            cmark_chunk *url, cmark_chunk *title) {
+  cmark_reference *ref;
+  unsigned char *reflabel = normalize_map_label(map->mem, label);
+
+  /* empty reference name, or composed from only whitespace */
+  if (reflabel == NULL)
+    return;
+
+  assert(map->sorted == NULL);
+
+  ref = (cmark_reference *)map->mem->calloc(1, sizeof(*ref));
+  ref->entry.label = reflabel;
+  ref->is_attributes_reference = false;
+  ref->url = cmark_clean_url(map->mem, url);
+  ref->title = cmark_clean_title(map->mem, title);
+  ref->attributes = cmark_chunk_literal("");
+  ref->entry.age = map->size;
+  ref->entry.next = map->refs;
+  ref->entry.size = ref->url.len + ref->title.len;
+
+  map->refs = (cmark_map_entry *)ref;
+  map->size++;
+}
+
+void cmark_reference_create_attributes(cmark_map *map, cmark_chunk *label,
+                                       cmark_chunk *attributes) {
+  cmark_reference *ref;
+  unsigned char *reflabel = normalize_map_label(map->mem, label);
+
+  /* empty reference name, or composed from only whitespace */
+  if (reflabel == NULL)
+    return;
+
+  assert(map->sorted == NULL);
+
+  ref = (cmark_reference *)map->mem->calloc(1, sizeof(*ref));
+  ref->entry.label = reflabel;
+  ref->is_attributes_reference = true;
+  ref->url = cmark_chunk_literal("");
+  ref->title = cmark_chunk_literal("");
+  ref->attributes = cmark_clean_attributes(map->mem, attributes);
+  ref->entry.age = map->size;
+  ref->entry.next = map->refs;
+  
+  map->refs = (cmark_map_entry *)ref;
+  map->size++;
+}
+
+cmark_map *cmark_reference_map_new(cmark_mem *mem) {
+  return cmark_map_new(mem, reference_free);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/registry.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/registry.c
new file mode 100644
index 0000000000..090a01c318
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/registry.c
@@ -0,0 +1,84 @@
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "mutex.h"
+#include "syntax_extension.h"
+#include "registry.h"
+#include "plugin.h"
+
+extern cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR;
+
+static cmark_llist *syntax_extensions = NULL;
+
+CMARK_DEFINE_LOCK(extensions);
+
+void cmark_register_plugin(cmark_plugin_init_func reg_fn) {
+  cmark_plugin *plugin = cmark_plugin_new();
+
+  if (!reg_fn(plugin)) {
+    cmark_plugin_free(plugin);
+    return;
+  }
+
+  cmark_llist *syntax_extensions_list = cmark_plugin_steal_syntax_extensions(plugin),
+              *it;
+
+  CMARK_INITIALIZE_AND_LOCK(extensions);
+  
+  for (it = syntax_extensions_list; it; it = it->next) {
+    syntax_extensions = cmark_llist_append(&CMARK_DEFAULT_MEM_ALLOCATOR, syntax_extensions, it->data);
+  }
+  
+  CMARK_UNLOCK(extensions);
+
+  cmark_llist_free(&CMARK_DEFAULT_MEM_ALLOCATOR, syntax_extensions_list);
+  cmark_plugin_free(plugin);
+}
+
+void cmark_release_plugins(void) {
+  CMARK_INITIALIZE_AND_LOCK(extensions);
+  
+  if (syntax_extensions) {
+    cmark_llist_free_full(
+        &CMARK_DEFAULT_MEM_ALLOCATOR,
+        syntax_extensions,
+        (cmark_free_func) cmark_syntax_extension_free);
+    syntax_extensions = NULL;
+  }
+  
+  CMARK_UNLOCK(extensions);
+}
+
+cmark_llist *cmark_list_syntax_extensions(cmark_mem *mem) {
+  cmark_llist *it;
+  cmark_llist *res = NULL;
+
+  CMARK_INITIALIZE_AND_LOCK(extensions);
+  
+  for (it = syntax_extensions; it; it = it->next) {
+    res = cmark_llist_append(mem, res, it->data);
+  }
+  
+  CMARK_UNLOCK(extensions);
+  return res;
+}
+
+cmark_syntax_extension *cmark_find_syntax_extension(const char *name) {
+  cmark_llist *tmp;
+  cmark_syntax_extension *res = NULL;
+
+  CMARK_INITIALIZE_AND_LOCK(extensions);
+  
+  for (tmp = syntax_extensions; tmp; tmp = tmp->next) {
+    cmark_syntax_extension *ext = (cmark_syntax_extension *) tmp->data;
+    if (!strcmp(ext->name, name)) {
+      res = ext;
+      break;
+    }
+  }
+  
+  CMARK_UNLOCK(extensions);
+  return res;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/render.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/render.c
new file mode 100644
index 0000000000..cdcb17e280
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/render.c
@@ -0,0 +1,215 @@
+#include 
+#include 
+
+#include "buffer.h"
+#include "chunk.h"
+#include "cmark-gfm.h"
+#include "utf8.h"
+#include "render.h"
+#include "node.h"
+#include "syntax_extension.h"
+
+static inline void S_cr(cmark_renderer *renderer) {
+  if (renderer->need_cr < 1) {
+    renderer->need_cr = 1;
+  }
+}
+
+static inline void S_blankline(cmark_renderer *renderer) {
+  if (renderer->need_cr < 2) {
+    renderer->need_cr = 2;
+  }
+}
+
+static void S_out(cmark_renderer *renderer, cmark_node *node,
+                  const char *source, bool wrap,
+                  cmark_escaping escape) {
+  int length = (int)strlen(source);
+  unsigned char nextc;
+  int32_t c;
+  int i = 0;
+  int last_nonspace;
+  int len;
+  cmark_chunk remainder = cmark_chunk_literal("");
+  int k = renderer->buffer->size - 1;
+
+  cmark_syntax_extension *ext = node->ancestor_extension;
+  if (ext && !ext->commonmark_escape_func)
+    ext = NULL;
+
+  wrap = wrap && !renderer->no_linebreaks;
+
+  if (renderer->in_tight_list_item && renderer->need_cr > 1) {
+    renderer->need_cr = 1;
+  }
+  while (renderer->need_cr) {
+    if (k < 0 || renderer->buffer->ptr[k] == '\n') {
+      k -= 1;
+    } else {
+      cmark_strbuf_putc(renderer->buffer, '\n');
+      if (renderer->need_cr > 1) {
+        cmark_strbuf_put(renderer->buffer, renderer->prefix->ptr,
+                         renderer->prefix->size);
+      }
+    }
+    renderer->column = 0;
+    renderer->last_breakable = 0;
+    renderer->begin_line = true;
+    renderer->begin_content = true;
+    renderer->need_cr -= 1;
+  }
+
+  while (i < length) {
+    if (renderer->begin_line) {
+      cmark_strbuf_put(renderer->buffer, renderer->prefix->ptr,
+                       renderer->prefix->size);
+      // note: this assumes prefix is ascii:
+      renderer->column = renderer->prefix->size;
+    }
+
+    len = cmark_utf8proc_iterate((const uint8_t *)source + i, length - i, &c);
+    if (len == -1) { // error condition
+      return;        // return without rendering rest of string
+    }
+
+    if (ext && ext->commonmark_escape_func(ext, node, c))
+      cmark_strbuf_putc(renderer->buffer, '\\');
+
+    nextc = source[i + len];
+    if (c == 32 && wrap) {
+      if (!renderer->begin_line) {
+        last_nonspace = renderer->buffer->size;
+        cmark_strbuf_putc(renderer->buffer, ' ');
+        renderer->column += 1;
+        renderer->begin_line = false;
+        renderer->begin_content = false;
+        // skip following spaces
+        while (source[i + 1] == ' ') {
+          i++;
+        }
+        // We don't allow breaks that make a digit the first character
+        // because this causes problems with commonmark output.
+        if (!cmark_isdigit(source[i + 1])) {
+          renderer->last_breakable = last_nonspace;
+        }
+      }
+
+    } else if (escape == LITERAL) {
+      if (c == 10) {
+        cmark_strbuf_putc(renderer->buffer, '\n');
+        renderer->column = 0;
+        renderer->begin_line = true;
+        renderer->begin_content = true;
+        renderer->last_breakable = 0;
+      } else {
+        cmark_render_code_point(renderer, c);
+        renderer->begin_line = false;
+        // we don't set 'begin_content' to false til we've
+        // finished parsing a digit.  Reason:  in commonmark
+        // we need to escape a potential list marker after
+        // a digit:
+        renderer->begin_content =
+            renderer->begin_content && cmark_isdigit((char)c) == 1;
+      }
+    } else {
+      (renderer->outc)(renderer, node, escape, c, nextc);
+      renderer->begin_line = false;
+      renderer->begin_content =
+          renderer->begin_content && cmark_isdigit((char)c) == 1;
+    }
+
+    // If adding the character went beyond width, look for an
+    // earlier place where the line could be broken:
+    if (renderer->width > 0 && renderer->column > renderer->width &&
+        !renderer->begin_line && renderer->last_breakable > 0) {
+
+      // copy from last_breakable to remainder
+      cmark_chunk_set_cstr(renderer->mem, &remainder,
+                           (char *)renderer->buffer->ptr +
+                               renderer->last_breakable + 1);
+      // truncate at last_breakable
+      cmark_strbuf_truncate(renderer->buffer, renderer->last_breakable);
+      // add newline, prefix, and remainder
+      cmark_strbuf_putc(renderer->buffer, '\n');
+      cmark_strbuf_put(renderer->buffer, renderer->prefix->ptr,
+                       renderer->prefix->size);
+      cmark_strbuf_put(renderer->buffer, remainder.data, remainder.len);
+      renderer->column = renderer->prefix->size + remainder.len;
+      cmark_chunk_free(renderer->mem, &remainder);
+      renderer->last_breakable = 0;
+      renderer->begin_line = false;
+      renderer->begin_content = false;
+    }
+
+    i += len;
+  }
+}
+
+// Assumes no newlines, assumes ascii content:
+void cmark_render_ascii(cmark_renderer *renderer, const char *s) {
+  int origsize = renderer->buffer->size;
+  cmark_strbuf_puts(renderer->buffer, s);
+  renderer->column += renderer->buffer->size - origsize;
+}
+
+void cmark_render_code_point(cmark_renderer *renderer, uint32_t c) {
+  cmark_utf8proc_encode_char(c, renderer->buffer);
+  renderer->column += 1;
+}
+
+char *cmark_render(cmark_mem *mem, cmark_node *root, int options, int width,
+                   void (*outc)(cmark_renderer *, cmark_node *,
+                                cmark_escaping, int32_t,
+                                unsigned char),
+                   int (*render_node)(cmark_renderer *renderer,
+                                      cmark_node *node,
+                                      cmark_event_type ev_type, int options)) {
+  cmark_strbuf pref = CMARK_BUF_INIT(mem);
+  cmark_strbuf buf = CMARK_BUF_INIT(mem);
+  cmark_node *cur;
+  cmark_event_type ev_type;
+  char *result;
+  cmark_iter *iter = cmark_iter_new(root);
+
+  cmark_renderer renderer = {mem,   &buf, &pref, 0,           width,
+                             0,     0,    true,  true,        false,
+                             false, outc, S_cr,  S_blankline, S_out,
+                             0};
+
+  while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
+    cur = cmark_iter_get_node(iter);
+    if (cur->extension) {
+      cur->ancestor_extension = cur->extension;
+    } else if (cur->parent) {
+      cur->ancestor_extension = cur->parent->ancestor_extension;
+    }
+    if (cur->type == CMARK_NODE_ITEM) {
+      // Calculate the list item's index, for the benefit of output formats
+      // like commonmark and plaintext.
+      if (cur->prev) {
+        cmark_node_set_item_index(cur, 1 + cmark_node_get_item_index(cur->prev));
+      } else {
+        cmark_node_set_item_index(cur, cmark_node_get_list_start(cur->parent));
+      }
+    }
+    if (!render_node(&renderer, cur, ev_type, options)) {
+      // a false value causes us to skip processing
+      // the node's contents.  this is used for
+      // autolinks.
+      cmark_iter_reset(iter, cur, CMARK_EVENT_EXIT);
+    }
+  }
+
+  // ensure final newline
+  if (renderer.buffer->size == 0 || renderer.buffer->ptr[renderer.buffer->size - 1] != '\n') {
+    cmark_strbuf_putc(renderer.buffer, '\n');
+  }
+
+  result = (char *)cmark_strbuf_detach(renderer.buffer);
+
+  cmark_iter_free(iter);
+  cmark_strbuf_free(renderer.prefix);
+  cmark_strbuf_free(renderer.buffer);
+
+  return result;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/scanners.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/scanners.c
new file mode 100644
index 0000000000..19720601de
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/scanners.c
@@ -0,0 +1,14056 @@
+/* Generated by re2c 3.0 */
+#include "scanners.h"
+#include "chunk.h"
+#include 
+
+bufsize_t _scan_at(bufsize_t (*scanner)(const unsigned char *), cmark_chunk *c,
+                   bufsize_t offset) {
+  bufsize_t res;
+  unsigned char *ptr = (unsigned char *)c->data;
+
+  if (ptr == NULL || offset > c->len) {
+    return 0;
+  } else {
+    unsigned char lim = ptr[c->len];
+
+    ptr[c->len] = '\0';
+    res = scanner(ptr + offset);
+    ptr[c->len] = lim;
+  }
+
+  return res;
+}
+
+// Try to match a scheme including colon.
+bufsize_t _scan_scheme(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    yych = *p;
+    if (yych <= '@')
+      goto yy1;
+    if (yych <= 'Z')
+      goto yy3;
+    if (yych <= '`')
+      goto yy1;
+    if (yych <= 'z')
+      goto yy3;
+  yy1:
+    ++p;
+  yy2 : { return 0; }
+  yy3:
+    yych = *(marker = ++p);
+    if (yych <= '/') {
+      if (yych <= '+') {
+        if (yych <= '*')
+          goto yy2;
+      } else {
+        if (yych <= ',')
+          goto yy2;
+        if (yych >= '/')
+          goto yy2;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '9')
+          goto yy4;
+        if (yych <= '@')
+          goto yy2;
+      } else {
+        if (yych <= '`')
+          goto yy2;
+        if (yych >= '{')
+          goto yy2;
+      }
+    }
+  yy4:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych == '+')
+          goto yy6;
+      } else {
+        if (yych != '/')
+          goto yy6;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych >= 'A')
+          goto yy6;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych <= 'z')
+          goto yy6;
+      }
+    }
+  yy5:
+    p = marker;
+    goto yy2;
+  yy6:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych == '+')
+          goto yy8;
+        goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+        goto yy8;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+        goto yy8;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych <= 'z')
+          goto yy8;
+        goto yy5;
+      }
+    }
+  yy7:
+    ++p;
+    { return (bufsize_t)(p - start); }
+  yy8:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy5;
+      } else {
+        if (yych == '/')
+          goto yy5;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy7;
+        if (yych <= '@')
+          goto yy5;
+      } else {
+        if (yych <= '`')
+          goto yy5;
+        if (yych >= '{')
+          goto yy5;
+      }
+    }
+    yych = *++p;
+    if (yych == ':')
+      goto yy7;
+    goto yy5;
+  }
+}
+
+// Try to match URI autolink after first <, returning number of chars matched.
+bufsize_t _scan_autolink_uri(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 0,   128, 0,   128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych <= '@')
+      goto yy10;
+    if (yych <= 'Z')
+      goto yy12;
+    if (yych <= '`')
+      goto yy10;
+    if (yych <= 'z')
+      goto yy12;
+  yy10:
+    ++p;
+  yy11 : { return 0; }
+  yy12:
+    yych = *(marker = ++p);
+    if (yych <= '/') {
+      if (yych <= '+') {
+        if (yych <= '*')
+          goto yy11;
+      } else {
+        if (yych <= ',')
+          goto yy11;
+        if (yych >= '/')
+          goto yy11;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '9')
+          goto yy13;
+        if (yych <= '@')
+          goto yy11;
+      } else {
+        if (yych <= '`')
+          goto yy11;
+        if (yych >= '{')
+          goto yy11;
+      }
+    }
+  yy13:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych == '+')
+          goto yy15;
+      } else {
+        if (yych != '/')
+          goto yy15;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych >= 'A')
+          goto yy15;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych <= 'z')
+          goto yy15;
+      }
+    }
+  yy14:
+    p = marker;
+    goto yy11;
+  yy15:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych == '+')
+          goto yy17;
+        goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+        goto yy17;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+        goto yy17;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych <= 'z')
+          goto yy17;
+        goto yy14;
+      }
+    }
+  yy16:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy16;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '<')
+          goto yy14;
+        if (yych <= '>')
+          goto yy18;
+        goto yy14;
+      } else {
+        if (yych <= 0xDF)
+          goto yy19;
+        if (yych <= 0xE0)
+          goto yy20;
+        goto yy21;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy22;
+        if (yych <= 0xEF)
+          goto yy21;
+        goto yy23;
+      } else {
+        if (yych <= 0xF3)
+          goto yy24;
+        if (yych <= 0xF4)
+          goto yy25;
+        goto yy14;
+      }
+    }
+  yy17:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych == '+')
+          goto yy26;
+        goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+        goto yy26;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+        goto yy26;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych <= 'z')
+          goto yy26;
+        goto yy14;
+      }
+    }
+  yy18:
+    ++p;
+    { return (bufsize_t)(p - start); }
+  yy19:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy14;
+    if (yych <= 0xBF)
+      goto yy16;
+    goto yy14;
+  yy20:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy14;
+    if (yych <= 0xBF)
+      goto yy19;
+    goto yy14;
+  yy21:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy14;
+    if (yych <= 0xBF)
+      goto yy19;
+    goto yy14;
+  yy22:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy14;
+    if (yych <= 0x9F)
+      goto yy19;
+    goto yy14;
+  yy23:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy14;
+    if (yych <= 0xBF)
+      goto yy21;
+    goto yy14;
+  yy24:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy14;
+    if (yych <= 0xBF)
+      goto yy21;
+    goto yy14;
+  yy25:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy14;
+    if (yych <= 0x8F)
+      goto yy21;
+    goto yy14;
+  yy26:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych <= ',') {
+        if (yych != '+')
+          goto yy14;
+      } else {
+        if (yych == '/')
+          goto yy14;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= ':')
+          goto yy16;
+        if (yych <= '@')
+          goto yy14;
+      } else {
+        if (yych <= '`')
+          goto yy14;
+        if (yych >= '{')
+          goto yy14;
+      }
+    }
+    yych = *++p;
+    if (yych == ':')
+      goto yy16;
+    goto yy14;
+  }
+}
+
+// Try to match email autolink after first <, returning num of chars matched.
+bufsize_t _scan_autolink_email(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   128, 0,   128, 128, 128, 128, 128, 0,   0,
+        128, 128, 0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   128, 0,   128, 0,   128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 0,   0,   0,   128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych <= '9') {
+      if (yych <= '\'') {
+        if (yych == '!')
+          goto yy30;
+        if (yych >= '#')
+          goto yy30;
+      } else {
+        if (yych <= ')')
+          goto yy28;
+        if (yych != ',')
+          goto yy30;
+      }
+    } else {
+      if (yych <= '?') {
+        if (yych == '=')
+          goto yy30;
+        if (yych >= '?')
+          goto yy30;
+      } else {
+        if (yych <= 'Z') {
+          if (yych >= 'A')
+            goto yy30;
+        } else {
+          if (yych <= ']')
+            goto yy28;
+          if (yych <= '~')
+            goto yy30;
+        }
+      }
+    }
+  yy28:
+    ++p;
+  yy29 : { return 0; }
+  yy30:
+    yych = *(marker = ++p);
+    if (yych <= ',') {
+      if (yych <= '"') {
+        if (yych == '!')
+          goto yy32;
+        goto yy29;
+      } else {
+        if (yych <= '\'')
+          goto yy32;
+        if (yych <= ')')
+          goto yy29;
+        if (yych <= '+')
+          goto yy32;
+        goto yy29;
+      }
+    } else {
+      if (yych <= '>') {
+        if (yych <= '9')
+          goto yy32;
+        if (yych == '=')
+          goto yy32;
+        goto yy29;
+      } else {
+        if (yych <= 'Z')
+          goto yy32;
+        if (yych <= ']')
+          goto yy29;
+        if (yych <= '~')
+          goto yy32;
+        goto yy29;
+      }
+    }
+  yy31:
+    yych = *++p;
+  yy32:
+    if (yybm[0 + yych] & 128) {
+      goto yy31;
+    }
+    if (yych <= '>')
+      goto yy33;
+    if (yych <= '@')
+      goto yy34;
+  yy33:
+    p = marker;
+    goto yy29;
+  yy34:
+    yych = *++p;
+    if (yych <= '@') {
+      if (yych <= '/')
+        goto yy33;
+      if (yych >= ':')
+        goto yy33;
+    } else {
+      if (yych <= 'Z')
+        goto yy35;
+      if (yych <= '`')
+        goto yy33;
+      if (yych >= '{')
+        goto yy33;
+    }
+  yy35:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy36;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy36;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy36;
+        goto yy33;
+      }
+    }
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy38;
+      if (yych <= '/')
+        goto yy33;
+      goto yy39;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy39;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy39;
+        goto yy33;
+      }
+    }
+  yy36:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych <= '-')
+          goto yy38;
+        goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy39;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy39;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy39;
+        goto yy33;
+      }
+    }
+  yy37:
+    ++p;
+    { return (bufsize_t)(p - start); }
+  yy38:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy40;
+      if (yych <= '/')
+        goto yy33;
+      goto yy41;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy41;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy41;
+        goto yy33;
+      }
+    }
+  yy39:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy41;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy41;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy41;
+        goto yy33;
+      }
+    }
+  yy40:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy42;
+      if (yych <= '/')
+        goto yy33;
+      goto yy43;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy43;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy43;
+        goto yy33;
+      }
+    }
+  yy41:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy43;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy43;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy43;
+        goto yy33;
+      }
+    }
+  yy42:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy44;
+      if (yych <= '/')
+        goto yy33;
+      goto yy45;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy45;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy45;
+        goto yy33;
+      }
+    }
+  yy43:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy45;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy45;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy45;
+        goto yy33;
+      }
+    }
+  yy44:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy46;
+      if (yych <= '/')
+        goto yy33;
+      goto yy47;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy47;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy47;
+        goto yy33;
+      }
+    }
+  yy45:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy47;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy47;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy47;
+        goto yy33;
+      }
+    }
+  yy46:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy48;
+      if (yych <= '/')
+        goto yy33;
+      goto yy49;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy49;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy49;
+        goto yy33;
+      }
+    }
+  yy47:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy49;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy49;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy49;
+        goto yy33;
+      }
+    }
+  yy48:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy50;
+      if (yych <= '/')
+        goto yy33;
+      goto yy51;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy51;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy51;
+        goto yy33;
+      }
+    }
+  yy49:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy51;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy51;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy51;
+        goto yy33;
+      }
+    }
+  yy50:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy52;
+      if (yych <= '/')
+        goto yy33;
+      goto yy53;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy53;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy53;
+        goto yy33;
+      }
+    }
+  yy51:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy53;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy53;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy53;
+        goto yy33;
+      }
+    }
+  yy52:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy54;
+      if (yych <= '/')
+        goto yy33;
+      goto yy55;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy55;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy55;
+        goto yy33;
+      }
+    }
+  yy53:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy55;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy55;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy55;
+        goto yy33;
+      }
+    }
+  yy54:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy56;
+      if (yych <= '/')
+        goto yy33;
+      goto yy57;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy57;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy57;
+        goto yy33;
+      }
+    }
+  yy55:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy57;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy57;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy57;
+        goto yy33;
+      }
+    }
+  yy56:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy58;
+      if (yych <= '/')
+        goto yy33;
+      goto yy59;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy59;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy59;
+        goto yy33;
+      }
+    }
+  yy57:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy59;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy59;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy59;
+        goto yy33;
+      }
+    }
+  yy58:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy60;
+      if (yych <= '/')
+        goto yy33;
+      goto yy61;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy61;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy61;
+        goto yy33;
+      }
+    }
+  yy59:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy61;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy61;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy61;
+        goto yy33;
+      }
+    }
+  yy60:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy62;
+      if (yych <= '/')
+        goto yy33;
+      goto yy63;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy63;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy63;
+        goto yy33;
+      }
+    }
+  yy61:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy63;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy63;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy63;
+        goto yy33;
+      }
+    }
+  yy62:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy64;
+      if (yych <= '/')
+        goto yy33;
+      goto yy65;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy65;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy65;
+        goto yy33;
+      }
+    }
+  yy63:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy65;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy65;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy65;
+        goto yy33;
+      }
+    }
+  yy64:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy66;
+      if (yych <= '/')
+        goto yy33;
+      goto yy67;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy67;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy67;
+        goto yy33;
+      }
+    }
+  yy65:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy67;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy67;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy67;
+        goto yy33;
+      }
+    }
+  yy66:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy68;
+      if (yych <= '/')
+        goto yy33;
+      goto yy69;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy69;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy69;
+        goto yy33;
+      }
+    }
+  yy67:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy69;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy69;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy69;
+        goto yy33;
+      }
+    }
+  yy68:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy70;
+      if (yych <= '/')
+        goto yy33;
+      goto yy71;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy71;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy71;
+        goto yy33;
+      }
+    }
+  yy69:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy71;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy71;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy71;
+        goto yy33;
+      }
+    }
+  yy70:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy72;
+      if (yych <= '/')
+        goto yy33;
+      goto yy73;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy73;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy73;
+        goto yy33;
+      }
+    }
+  yy71:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy73;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy73;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy73;
+        goto yy33;
+      }
+    }
+  yy72:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy74;
+      if (yych <= '/')
+        goto yy33;
+      goto yy75;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy75;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy75;
+        goto yy33;
+      }
+    }
+  yy73:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy75;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy75;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy75;
+        goto yy33;
+      }
+    }
+  yy74:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy76;
+      if (yych <= '/')
+        goto yy33;
+      goto yy77;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy77;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy77;
+        goto yy33;
+      }
+    }
+  yy75:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy77;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy77;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy77;
+        goto yy33;
+      }
+    }
+  yy76:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy78;
+      if (yych <= '/')
+        goto yy33;
+      goto yy79;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy79;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy79;
+        goto yy33;
+      }
+    }
+  yy77:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy79;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy79;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy79;
+        goto yy33;
+      }
+    }
+  yy78:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy80;
+      if (yych <= '/')
+        goto yy33;
+      goto yy81;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy81;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy81;
+        goto yy33;
+      }
+    }
+  yy79:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy81;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy81;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy81;
+        goto yy33;
+      }
+    }
+  yy80:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy82;
+      if (yych <= '/')
+        goto yy33;
+      goto yy83;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy83;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy83;
+        goto yy33;
+      }
+    }
+  yy81:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy83;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy83;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy83;
+        goto yy33;
+      }
+    }
+  yy82:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy84;
+      if (yych <= '/')
+        goto yy33;
+      goto yy85;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy85;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy85;
+        goto yy33;
+      }
+    }
+  yy83:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy85;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy85;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy85;
+        goto yy33;
+      }
+    }
+  yy84:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy86;
+      if (yych <= '/')
+        goto yy33;
+      goto yy87;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy87;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy87;
+        goto yy33;
+      }
+    }
+  yy85:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy87;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy87;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy87;
+        goto yy33;
+      }
+    }
+  yy86:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy88;
+      if (yych <= '/')
+        goto yy33;
+      goto yy89;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy89;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy89;
+        goto yy33;
+      }
+    }
+  yy87:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy89;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy89;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy89;
+        goto yy33;
+      }
+    }
+  yy88:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy90;
+      if (yych <= '/')
+        goto yy33;
+      goto yy91;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy91;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy91;
+        goto yy33;
+      }
+    }
+  yy89:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy91;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy91;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy91;
+        goto yy33;
+      }
+    }
+  yy90:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy92;
+      if (yych <= '/')
+        goto yy33;
+      goto yy93;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy93;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy93;
+        goto yy33;
+      }
+    }
+  yy91:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy93;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy93;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy93;
+        goto yy33;
+      }
+    }
+  yy92:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy94;
+      if (yych <= '/')
+        goto yy33;
+      goto yy95;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy95;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy95;
+        goto yy33;
+      }
+    }
+  yy93:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy95;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy95;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy95;
+        goto yy33;
+      }
+    }
+  yy94:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy96;
+      if (yych <= '/')
+        goto yy33;
+      goto yy97;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy97;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy97;
+        goto yy33;
+      }
+    }
+  yy95:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy97;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy97;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy97;
+        goto yy33;
+      }
+    }
+  yy96:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy98;
+      if (yych <= '/')
+        goto yy33;
+      goto yy99;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy99;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy99;
+        goto yy33;
+      }
+    }
+  yy97:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy99;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy99;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy99;
+        goto yy33;
+      }
+    }
+  yy98:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy100;
+      if (yych <= '/')
+        goto yy33;
+      goto yy101;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy101;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy101;
+        goto yy33;
+      }
+    }
+  yy99:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy101;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy101;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy101;
+        goto yy33;
+      }
+    }
+  yy100:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy102;
+      if (yych <= '/')
+        goto yy33;
+      goto yy103;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy103;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy103;
+        goto yy33;
+      }
+    }
+  yy101:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy103;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy103;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy103;
+        goto yy33;
+      }
+    }
+  yy102:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy104;
+      if (yych <= '/')
+        goto yy33;
+      goto yy105;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy105;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy105;
+        goto yy33;
+      }
+    }
+  yy103:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy105;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy105;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy105;
+        goto yy33;
+      }
+    }
+  yy104:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy106;
+      if (yych <= '/')
+        goto yy33;
+      goto yy107;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy107;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy107;
+        goto yy33;
+      }
+    }
+  yy105:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy107;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy107;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy107;
+        goto yy33;
+      }
+    }
+  yy106:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy108;
+      if (yych <= '/')
+        goto yy33;
+      goto yy109;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy109;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy109;
+        goto yy33;
+      }
+    }
+  yy107:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy109;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy109;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy109;
+        goto yy33;
+      }
+    }
+  yy108:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy110;
+      if (yych <= '/')
+        goto yy33;
+      goto yy111;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy111;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy111;
+        goto yy33;
+      }
+    }
+  yy109:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy111;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy111;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy111;
+        goto yy33;
+      }
+    }
+  yy110:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy112;
+      if (yych <= '/')
+        goto yy33;
+      goto yy113;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy113;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy113;
+        goto yy33;
+      }
+    }
+  yy111:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy113;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy113;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy113;
+        goto yy33;
+      }
+    }
+  yy112:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy114;
+      if (yych <= '/')
+        goto yy33;
+      goto yy115;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy115;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy115;
+        goto yy33;
+      }
+    }
+  yy113:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy115;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy115;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy115;
+        goto yy33;
+      }
+    }
+  yy114:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy116;
+      if (yych <= '/')
+        goto yy33;
+      goto yy117;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy117;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy117;
+        goto yy33;
+      }
+    }
+  yy115:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy117;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy117;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy117;
+        goto yy33;
+      }
+    }
+  yy116:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy118;
+      if (yych <= '/')
+        goto yy33;
+      goto yy119;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy119;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy119;
+        goto yy33;
+      }
+    }
+  yy117:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy119;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy119;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy119;
+        goto yy33;
+      }
+    }
+  yy118:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy120;
+      if (yych <= '/')
+        goto yy33;
+      goto yy121;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy121;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy121;
+        goto yy33;
+      }
+    }
+  yy119:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy121;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy121;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy121;
+        goto yy33;
+      }
+    }
+  yy120:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy122;
+      if (yych <= '/')
+        goto yy33;
+      goto yy123;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy123;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy123;
+        goto yy33;
+      }
+    }
+  yy121:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy123;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy123;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy123;
+        goto yy33;
+      }
+    }
+  yy122:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy124;
+      if (yych <= '/')
+        goto yy33;
+      goto yy125;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy125;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy125;
+        goto yy33;
+      }
+    }
+  yy123:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy125;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy125;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy125;
+        goto yy33;
+      }
+    }
+  yy124:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy126;
+      if (yych <= '/')
+        goto yy33;
+      goto yy127;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy127;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy127;
+        goto yy33;
+      }
+    }
+  yy125:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy127;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy127;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy127;
+        goto yy33;
+      }
+    }
+  yy126:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy128;
+      if (yych <= '/')
+        goto yy33;
+      goto yy129;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy129;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy129;
+        goto yy33;
+      }
+    }
+  yy127:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy129;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy129;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy129;
+        goto yy33;
+      }
+    }
+  yy128:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy130;
+      if (yych <= '/')
+        goto yy33;
+      goto yy131;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy131;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy131;
+        goto yy33;
+      }
+    }
+  yy129:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy131;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy131;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy131;
+        goto yy33;
+      }
+    }
+  yy130:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy132;
+      if (yych <= '/')
+        goto yy33;
+      goto yy133;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy133;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy133;
+        goto yy33;
+      }
+    }
+  yy131:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy133;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy133;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy133;
+        goto yy33;
+      }
+    }
+  yy132:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy134;
+      if (yych <= '/')
+        goto yy33;
+      goto yy135;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy135;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy135;
+        goto yy33;
+      }
+    }
+  yy133:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy135;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy135;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy135;
+        goto yy33;
+      }
+    }
+  yy134:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy136;
+      if (yych <= '/')
+        goto yy33;
+      goto yy137;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy137;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy137;
+        goto yy33;
+      }
+    }
+  yy135:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy137;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy137;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy137;
+        goto yy33;
+      }
+    }
+  yy136:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy138;
+      if (yych <= '/')
+        goto yy33;
+      goto yy139;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy139;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy139;
+        goto yy33;
+      }
+    }
+  yy137:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy139;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy139;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy139;
+        goto yy33;
+      }
+    }
+  yy138:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy140;
+      if (yych <= '/')
+        goto yy33;
+      goto yy141;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy141;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy141;
+        goto yy33;
+      }
+    }
+  yy139:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy141;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy141;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy141;
+        goto yy33;
+      }
+    }
+  yy140:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy142;
+      if (yych <= '/')
+        goto yy33;
+      goto yy143;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy143;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy143;
+        goto yy33;
+      }
+    }
+  yy141:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy143;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy143;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy143;
+        goto yy33;
+      }
+    }
+  yy142:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy144;
+      if (yych <= '/')
+        goto yy33;
+      goto yy145;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy145;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy145;
+        goto yy33;
+      }
+    }
+  yy143:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy145;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy145;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy145;
+        goto yy33;
+      }
+    }
+  yy144:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy146;
+      if (yych <= '/')
+        goto yy33;
+      goto yy147;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy147;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy147;
+        goto yy33;
+      }
+    }
+  yy145:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy147;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy147;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy147;
+        goto yy33;
+      }
+    }
+  yy146:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy148;
+      if (yych <= '/')
+        goto yy33;
+      goto yy149;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy149;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy149;
+        goto yy33;
+      }
+    }
+  yy147:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy149;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy149;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy149;
+        goto yy33;
+      }
+    }
+  yy148:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy150;
+      if (yych <= '/')
+        goto yy33;
+      goto yy151;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy151;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy151;
+        goto yy33;
+      }
+    }
+  yy149:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy151;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy151;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy151;
+        goto yy33;
+      }
+    }
+  yy150:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy152;
+      if (yych <= '/')
+        goto yy33;
+      goto yy153;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy153;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy153;
+        goto yy33;
+      }
+    }
+  yy151:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy153;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy153;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy153;
+        goto yy33;
+      }
+    }
+  yy152:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy154;
+      if (yych <= '/')
+        goto yy33;
+      goto yy155;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy155;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy155;
+        goto yy33;
+      }
+    }
+  yy153:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy155;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy155;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy155;
+        goto yy33;
+      }
+    }
+  yy154:
+    yych = *++p;
+    if (yych <= '9') {
+      if (yych == '-')
+        goto yy156;
+      if (yych <= '/')
+        goto yy33;
+      goto yy157;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy33;
+        goto yy157;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy157;
+        goto yy33;
+      }
+    }
+  yy155:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= ',')
+          goto yy33;
+        if (yych >= '.')
+          goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych <= '9')
+          goto yy157;
+        goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+        goto yy157;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych <= 'z')
+          goto yy157;
+        goto yy33;
+      }
+    }
+  yy156:
+    yych = *++p;
+    if (yych <= '@') {
+      if (yych <= '/')
+        goto yy33;
+      if (yych <= '9')
+        goto yy158;
+      goto yy33;
+    } else {
+      if (yych <= 'Z')
+        goto yy158;
+      if (yych <= '`')
+        goto yy33;
+      if (yych <= 'z')
+        goto yy158;
+      goto yy33;
+    }
+  yy157:
+    yych = *++p;
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych <= '-')
+          goto yy33;
+        goto yy34;
+      } else {
+        if (yych <= '/')
+          goto yy33;
+        if (yych >= ':')
+          goto yy33;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy37;
+        if (yych <= '@')
+          goto yy33;
+      } else {
+        if (yych <= '`')
+          goto yy33;
+        if (yych >= '{')
+          goto yy33;
+      }
+    }
+  yy158:
+    yych = *++p;
+    if (yych == '.')
+      goto yy34;
+    if (yych == '>')
+      goto yy37;
+    goto yy33;
+  }
+}
+
+// Try to match an HTML tag after first <, returning num of chars matched.
+bufsize_t _scan_html_tag(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   224, 224, 224, 224, 224, 224, 224, 224, 200, 200, 200, 200, 200,
+        224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224,
+        224, 224, 224, 224, 200, 224, 128, 224, 224, 224, 224, 64,  224, 224,
+        224, 224, 224, 244, 240, 224, 244, 244, 244, 244, 244, 244, 244, 244,
+        244, 244, 240, 224, 192, 192, 192, 224, 224, 244, 244, 244, 244, 244,
+        244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244,
+        244, 244, 244, 244, 244, 244, 244, 224, 224, 224, 224, 240, 192, 244,
+        244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244,
+        244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 244, 224, 224, 224,
+        224, 224, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych <= '@') {
+      if (yych == '/')
+        goto yy162;
+    } else {
+      if (yych <= 'Z')
+        goto yy163;
+      if (yych <= '`')
+        goto yy160;
+      if (yych <= 'z')
+        goto yy163;
+    }
+  yy160:
+    ++p;
+  yy161 : { return 0; }
+  yy162:
+    yych = *(marker = ++p);
+    if (yych <= '@')
+      goto yy161;
+    if (yych <= 'Z')
+      goto yy164;
+    if (yych <= '`')
+      goto yy161;
+    if (yych <= 'z')
+      goto yy164;
+    goto yy161;
+  yy163:
+    yych = *(marker = ++p);
+    if (yych <= '.') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy161;
+        if (yych <= '\r')
+          goto yy168;
+        goto yy161;
+      } else {
+        if (yych <= ' ')
+          goto yy168;
+        if (yych == '-')
+          goto yy168;
+        goto yy161;
+      }
+    } else {
+      if (yych <= '@') {
+        if (yych <= '9')
+          goto yy168;
+        if (yych == '>')
+          goto yy168;
+        goto yy161;
+      } else {
+        if (yych <= 'Z')
+          goto yy168;
+        if (yych <= '`')
+          goto yy161;
+        if (yych <= 'z')
+          goto yy168;
+        goto yy161;
+      }
+    }
+  yy164:
+    yych = *++p;
+    if (yybm[0 + yych] & 4) {
+      goto yy164;
+    }
+    if (yych <= 0x1F) {
+      if (yych <= 0x08)
+        goto yy165;
+      if (yych <= '\r')
+        goto yy171;
+    } else {
+      if (yych <= ' ')
+        goto yy171;
+      if (yych == '>')
+        goto yy170;
+    }
+  yy165:
+    p = marker;
+    goto yy161;
+  yy166:
+    yych = *++p;
+    if (yybm[0 + yych] & 8) {
+      goto yy166;
+    }
+    if (yych <= '>') {
+      if (yych <= '9') {
+        if (yych == '/')
+          goto yy169;
+        goto yy165;
+      } else {
+        if (yych <= ':')
+          goto yy172;
+        if (yych <= '=')
+          goto yy165;
+        goto yy170;
+      }
+    } else {
+      if (yych <= '^') {
+        if (yych <= '@')
+          goto yy165;
+        if (yych <= 'Z')
+          goto yy172;
+        goto yy165;
+      } else {
+        if (yych == '`')
+          goto yy165;
+        if (yych <= 'z')
+          goto yy172;
+        goto yy165;
+      }
+    }
+  yy167:
+    yych = *++p;
+  yy168:
+    if (yybm[0 + yych] & 8) {
+      goto yy166;
+    }
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych == '-')
+          goto yy167;
+        goto yy165;
+      } else {
+        if (yych <= '/')
+          goto yy169;
+        if (yych <= '9')
+          goto yy167;
+        goto yy165;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy170;
+        if (yych <= '@')
+          goto yy165;
+        goto yy167;
+      } else {
+        if (yych <= '`')
+          goto yy165;
+        if (yych <= 'z')
+          goto yy167;
+        goto yy165;
+      }
+    }
+  yy169:
+    yych = *++p;
+    if (yych != '>')
+      goto yy165;
+  yy170:
+    ++p;
+    { return (bufsize_t)(p - start); }
+  yy171:
+    yych = *++p;
+    if (yych <= 0x1F) {
+      if (yych <= 0x08)
+        goto yy165;
+      if (yych <= '\r')
+        goto yy171;
+      goto yy165;
+    } else {
+      if (yych <= ' ')
+        goto yy171;
+      if (yych == '>')
+        goto yy170;
+      goto yy165;
+    }
+  yy172:
+    yych = *++p;
+    if (yybm[0 + yych] & 16) {
+      goto yy172;
+    }
+    if (yych <= ',') {
+      if (yych <= '\r') {
+        if (yych <= 0x08)
+          goto yy165;
+      } else {
+        if (yych != ' ')
+          goto yy165;
+      }
+    } else {
+      if (yych <= '<') {
+        if (yych <= '/')
+          goto yy169;
+        goto yy165;
+      } else {
+        if (yych <= '=')
+          goto yy174;
+        if (yych <= '>')
+          goto yy170;
+        goto yy165;
+      }
+    }
+  yy173:
+    yych = *++p;
+    if (yych <= '<') {
+      if (yych <= ' ') {
+        if (yych <= 0x08)
+          goto yy165;
+        if (yych <= '\r')
+          goto yy173;
+        if (yych <= 0x1F)
+          goto yy165;
+        goto yy173;
+      } else {
+        if (yych <= '/') {
+          if (yych <= '.')
+            goto yy165;
+          goto yy169;
+        } else {
+          if (yych == ':')
+            goto yy172;
+          goto yy165;
+        }
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '=')
+          goto yy174;
+        if (yych <= '>')
+          goto yy170;
+        if (yych <= '@')
+          goto yy165;
+        goto yy172;
+      } else {
+        if (yych <= '_') {
+          if (yych <= '^')
+            goto yy165;
+          goto yy172;
+        } else {
+          if (yych <= '`')
+            goto yy165;
+          if (yych <= 'z')
+            goto yy172;
+          goto yy165;
+        }
+      }
+    }
+  yy174:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy175;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '"') {
+        if (yych <= 0x00)
+          goto yy165;
+        if (yych <= ' ')
+          goto yy174;
+        goto yy176;
+      } else {
+        if (yych <= '\'')
+          goto yy177;
+        if (yych <= 0xC1)
+          goto yy165;
+        if (yych <= 0xDF)
+          goto yy178;
+        goto yy179;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy181;
+        goto yy180;
+      } else {
+        if (yych <= 0xF0)
+          goto yy182;
+        if (yych <= 0xF3)
+          goto yy183;
+        if (yych <= 0xF4)
+          goto yy184;
+        goto yy165;
+      }
+    }
+  yy175:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy175;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy165;
+        if (yych <= ' ')
+          goto yy166;
+        goto yy165;
+      } else {
+        if (yych <= '>')
+          goto yy170;
+        if (yych <= 0xC1)
+          goto yy165;
+        if (yych <= 0xDF)
+          goto yy178;
+        goto yy179;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy181;
+        goto yy180;
+      } else {
+        if (yych <= 0xF0)
+          goto yy182;
+        if (yych <= 0xF3)
+          goto yy183;
+        if (yych <= 0xF4)
+          goto yy184;
+        goto yy165;
+      }
+    }
+  yy176:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy176;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy165;
+        if (yych <= '"')
+          goto yy185;
+        goto yy165;
+      } else {
+        if (yych <= 0xDF)
+          goto yy186;
+        if (yych <= 0xE0)
+          goto yy187;
+        goto yy188;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy189;
+        if (yych <= 0xEF)
+          goto yy188;
+        goto yy190;
+      } else {
+        if (yych <= 0xF3)
+          goto yy191;
+        if (yych <= 0xF4)
+          goto yy192;
+        goto yy165;
+      }
+    }
+  yy177:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy177;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy165;
+        if (yych <= '\'')
+          goto yy185;
+        goto yy165;
+      } else {
+        if (yych <= 0xDF)
+          goto yy193;
+        if (yych <= 0xE0)
+          goto yy194;
+        goto yy195;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy196;
+        if (yych <= 0xEF)
+          goto yy195;
+        goto yy197;
+      } else {
+        if (yych <= 0xF3)
+          goto yy198;
+        if (yych <= 0xF4)
+          goto yy199;
+        goto yy165;
+      }
+    }
+  yy178:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy175;
+    goto yy165;
+  yy179:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy178;
+    goto yy165;
+  yy180:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy178;
+    goto yy165;
+  yy181:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x9F)
+      goto yy178;
+    goto yy165;
+  yy182:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy180;
+    goto yy165;
+  yy183:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy180;
+    goto yy165;
+  yy184:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x8F)
+      goto yy180;
+    goto yy165;
+  yy185:
+    yych = *++p;
+    if (yybm[0 + yych] & 8) {
+      goto yy166;
+    }
+    if (yych == '/')
+      goto yy169;
+    if (yych == '>')
+      goto yy170;
+    goto yy165;
+  yy186:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy176;
+    goto yy165;
+  yy187:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy186;
+    goto yy165;
+  yy188:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy186;
+    goto yy165;
+  yy189:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x9F)
+      goto yy186;
+    goto yy165;
+  yy190:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy188;
+    goto yy165;
+  yy191:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy188;
+    goto yy165;
+  yy192:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x8F)
+      goto yy188;
+    goto yy165;
+  yy193:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy177;
+    goto yy165;
+  yy194:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy193;
+    goto yy165;
+  yy195:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy193;
+    goto yy165;
+  yy196:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x9F)
+      goto yy193;
+    goto yy165;
+  yy197:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy195;
+    goto yy165;
+  yy198:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0xBF)
+      goto yy195;
+    goto yy165;
+  yy199:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy165;
+    if (yych <= 0x8F)
+      goto yy195;
+    goto yy165;
+  }
+}
+
+// Try to (liberally) match an HTML tag after first <, returning num of chars
+// matched.
+bufsize_t _scan_liberal_html_tag(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,  64, 64, 64, 64, 64, 64, 64, 64,  64, 0,  64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych <= 0xE0) {
+      if (yych <= '\n') {
+        if (yych <= 0x00)
+          goto yy201;
+        if (yych <= '\t')
+          goto yy203;
+      } else {
+        if (yych <= 0x7F)
+          goto yy203;
+        if (yych <= 0xC1)
+          goto yy201;
+        if (yych <= 0xDF)
+          goto yy204;
+        goto yy205;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy207;
+        goto yy206;
+      } else {
+        if (yych <= 0xF0)
+          goto yy208;
+        if (yych <= 0xF3)
+          goto yy209;
+        if (yych <= 0xF4)
+          goto yy210;
+      }
+    }
+  yy201:
+    ++p;
+  yy202 : { return 0; }
+  yy203:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy202;
+      if (yych <= '\t')
+        goto yy212;
+      goto yy202;
+    } else {
+      if (yych <= 0x7F)
+        goto yy212;
+      if (yych <= 0xC1)
+        goto yy202;
+      if (yych <= 0xF4)
+        goto yy212;
+      goto yy202;
+    }
+  yy204:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy202;
+    if (yych <= 0xBF)
+      goto yy211;
+    goto yy202;
+  yy205:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy202;
+    if (yych <= 0xBF)
+      goto yy216;
+    goto yy202;
+  yy206:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy202;
+    if (yych <= 0xBF)
+      goto yy216;
+    goto yy202;
+  yy207:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy202;
+    if (yych <= 0x9F)
+      goto yy216;
+    goto yy202;
+  yy208:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy202;
+    if (yych <= 0xBF)
+      goto yy218;
+    goto yy202;
+  yy209:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy202;
+    if (yych <= 0xBF)
+      goto yy218;
+    goto yy202;
+  yy210:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy202;
+    if (yych <= 0x8F)
+      goto yy218;
+    goto yy202;
+  yy211:
+    yych = *++p;
+  yy212:
+    if (yybm[0 + yych] & 64) {
+      goto yy211;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy213;
+        if (yych <= '>')
+          goto yy214;
+      } else {
+        if (yych <= 0xDF)
+          goto yy216;
+        if (yych <= 0xE0)
+          goto yy217;
+        goto yy218;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy219;
+        if (yych <= 0xEF)
+          goto yy218;
+        goto yy220;
+      } else {
+        if (yych <= 0xF3)
+          goto yy221;
+        if (yych <= 0xF4)
+          goto yy222;
+      }
+    }
+  yy213:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy202;
+    } else {
+      goto yy215;
+    }
+  yy214:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy211;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy215;
+        if (yych <= '>')
+          goto yy214;
+      } else {
+        if (yych <= 0xDF)
+          goto yy216;
+        if (yych <= 0xE0)
+          goto yy217;
+        goto yy218;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy219;
+        if (yych <= 0xEF)
+          goto yy218;
+        goto yy220;
+      } else {
+        if (yych <= 0xF3)
+          goto yy221;
+        if (yych <= 0xF4)
+          goto yy222;
+      }
+    }
+  yy215 : { return (bufsize_t)(p - start); }
+  yy216:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy213;
+    if (yych <= 0xBF)
+      goto yy211;
+    goto yy213;
+  yy217:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy213;
+    if (yych <= 0xBF)
+      goto yy216;
+    goto yy213;
+  yy218:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy213;
+    if (yych <= 0xBF)
+      goto yy216;
+    goto yy213;
+  yy219:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy213;
+    if (yych <= 0x9F)
+      goto yy216;
+    goto yy213;
+  yy220:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy213;
+    if (yych <= 0xBF)
+      goto yy218;
+    goto yy213;
+  yy221:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy213;
+    if (yych <= 0xBF)
+      goto yy218;
+    goto yy213;
+  yy222:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy213;
+    if (yych <= 0x8F)
+      goto yy218;
+    goto yy213;
+  }
+}
+
+bufsize_t _scan_html_comment(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych == '-')
+      goto yy225;
+    ++p;
+  yy224 : { return 0; }
+  yy225:
+    yych = *(marker = ++p);
+    if (yych != '-')
+      goto yy224;
+  yy226:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy226;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy227;
+        if (yych <= '-')
+          goto yy228;
+      } else {
+        if (yych <= 0xDF)
+          goto yy229;
+        if (yych <= 0xE0)
+          goto yy230;
+        goto yy231;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy232;
+        if (yych <= 0xEF)
+          goto yy231;
+        goto yy233;
+      } else {
+        if (yych <= 0xF3)
+          goto yy234;
+        if (yych <= 0xF4)
+          goto yy235;
+      }
+    }
+  yy227:
+    p = marker;
+    goto yy224;
+  yy228:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy226;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy227;
+        if (yych <= '-')
+          goto yy236;
+        goto yy227;
+      } else {
+        if (yych <= 0xDF)
+          goto yy229;
+        if (yych <= 0xE0)
+          goto yy230;
+        goto yy231;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy232;
+        if (yych <= 0xEF)
+          goto yy231;
+        goto yy233;
+      } else {
+        if (yych <= 0xF3)
+          goto yy234;
+        if (yych <= 0xF4)
+          goto yy235;
+        goto yy227;
+      }
+    }
+  yy229:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy227;
+    if (yych <= 0xBF)
+      goto yy226;
+    goto yy227;
+  yy230:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy227;
+    if (yych <= 0xBF)
+      goto yy229;
+    goto yy227;
+  yy231:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy227;
+    if (yych <= 0xBF)
+      goto yy229;
+    goto yy227;
+  yy232:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy227;
+    if (yych <= 0x9F)
+      goto yy229;
+    goto yy227;
+  yy233:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy227;
+    if (yych <= 0xBF)
+      goto yy231;
+    goto yy227;
+  yy234:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy227;
+    if (yych <= 0xBF)
+      goto yy231;
+    goto yy227;
+  yy235:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy227;
+    if (yych <= 0x8F)
+      goto yy231;
+    goto yy227;
+  yy236:
+    yych = *++p;
+    if (yych <= 0xE0) {
+      if (yych <= '>') {
+        if (yych <= 0x00)
+          goto yy227;
+        if (yych <= '=')
+          goto yy226;
+      } else {
+        if (yych <= 0x7F)
+          goto yy226;
+        if (yych <= 0xC1)
+          goto yy227;
+        if (yych <= 0xDF)
+          goto yy229;
+        goto yy230;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy232;
+        goto yy231;
+      } else {
+        if (yych <= 0xF0)
+          goto yy233;
+        if (yych <= 0xF3)
+          goto yy234;
+        if (yych <= 0xF4)
+          goto yy235;
+        goto yy227;
+      }
+    }
+    ++p;
+    { return (bufsize_t)(p - start); }
+  }
+}
+
+bufsize_t _scan_html_pi(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 0,   128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yybm[0 + yych] & 128) {
+      goto yy240;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy238;
+        if (yych <= '?')
+          goto yy243;
+      } else {
+        if (yych <= 0xDF)
+          goto yy244;
+        if (yych <= 0xE0)
+          goto yy245;
+        goto yy246;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy247;
+        if (yych <= 0xEF)
+          goto yy246;
+        goto yy248;
+      } else {
+        if (yych <= 0xF3)
+          goto yy249;
+        if (yych <= 0xF4)
+          goto yy250;
+      }
+    }
+  yy238:
+    ++p;
+  yy239 : { return 0; }
+  yy240:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+  yy241:
+    if (yybm[0 + yych] & 128) {
+      goto yy240;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy242;
+        if (yych <= '?')
+          goto yy251;
+      } else {
+        if (yych <= 0xDF)
+          goto yy253;
+        if (yych <= 0xE0)
+          goto yy254;
+        goto yy255;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy256;
+        if (yych <= 0xEF)
+          goto yy255;
+        goto yy257;
+      } else {
+        if (yych <= 0xF3)
+          goto yy258;
+        if (yych <= 0xF4)
+          goto yy259;
+      }
+    }
+  yy242 : { return (bufsize_t)(p - start); }
+  yy243:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= '?') {
+      if (yych <= 0x00)
+        goto yy239;
+      if (yych <= '=')
+        goto yy241;
+      if (yych <= '>')
+        goto yy239;
+      goto yy240;
+    } else {
+      if (yych <= 0x7F)
+        goto yy241;
+      if (yych <= 0xC1)
+        goto yy239;
+      if (yych <= 0xF4)
+        goto yy241;
+      goto yy239;
+    }
+  yy244:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy239;
+    if (yych <= 0xBF)
+      goto yy240;
+    goto yy239;
+  yy245:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy239;
+    if (yych <= 0xBF)
+      goto yy253;
+    goto yy239;
+  yy246:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy239;
+    if (yych <= 0xBF)
+      goto yy253;
+    goto yy239;
+  yy247:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy239;
+    if (yych <= 0x9F)
+      goto yy253;
+    goto yy239;
+  yy248:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy239;
+    if (yych <= 0xBF)
+      goto yy255;
+    goto yy239;
+  yy249:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy239;
+    if (yych <= 0xBF)
+      goto yy255;
+    goto yy239;
+  yy250:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy239;
+    if (yych <= 0x8F)
+      goto yy255;
+    goto yy239;
+  yy251:
+    yych = *++p;
+    if (yych <= 0xE0) {
+      if (yych <= '>') {
+        if (yych <= 0x00)
+          goto yy252;
+        if (yych <= '=')
+          goto yy240;
+      } else {
+        if (yych <= 0x7F)
+          goto yy240;
+        if (yych <= 0xC1)
+          goto yy252;
+        if (yych <= 0xDF)
+          goto yy253;
+        goto yy254;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy256;
+        goto yy255;
+      } else {
+        if (yych <= 0xF0)
+          goto yy257;
+        if (yych <= 0xF3)
+          goto yy258;
+        if (yych <= 0xF4)
+          goto yy259;
+      }
+    }
+  yy252:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy242;
+    } else {
+      goto yy239;
+    }
+  yy253:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy252;
+    if (yych <= 0xBF)
+      goto yy240;
+    goto yy252;
+  yy254:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy252;
+    if (yych <= 0xBF)
+      goto yy253;
+    goto yy252;
+  yy255:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy252;
+    if (yych <= 0xBF)
+      goto yy253;
+    goto yy252;
+  yy256:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy252;
+    if (yych <= 0x9F)
+      goto yy253;
+    goto yy252;
+  yy257:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy252;
+    if (yych <= 0xBF)
+      goto yy255;
+    goto yy252;
+  yy258:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy252;
+    if (yych <= 0xBF)
+      goto yy255;
+    goto yy252;
+  yy259:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy252;
+    if (yych <= 0x8F)
+      goto yy255;
+    goto yy252;
+  }
+}
+
+bufsize_t _scan_html_declaration(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  0,   64,  64,  192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,  64,
+        64,  64,  0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych <= '@')
+      goto yy261;
+    if (yych <= 'Z')
+      goto yy263;
+  yy261:
+    ++p;
+  yy262 : { return 0; }
+  yy263:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy266;
+    }
+    if (yych <= 0x08)
+      goto yy262;
+    if (yych <= '\r')
+      goto yy264;
+    if (yych != ' ')
+      goto yy262;
+  yy264:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy264;
+    }
+    if (yych <= 0xED) {
+      if (yych <= 0xDF) {
+        if (yych >= 0xC2)
+          goto yy268;
+      } else {
+        if (yych <= 0xE0)
+          goto yy269;
+        if (yych <= 0xEC)
+          goto yy270;
+        goto yy271;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xEF)
+          goto yy270;
+        goto yy272;
+      } else {
+        if (yych <= 0xF3)
+          goto yy273;
+        if (yych <= 0xF4)
+          goto yy274;
+      }
+    }
+  yy265 : { return (bufsize_t)(p - start); }
+  yy266:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy266;
+    }
+    if (yych <= 0x08)
+      goto yy267;
+    if (yych <= '\r')
+      goto yy264;
+    if (yych == ' ')
+      goto yy264;
+  yy267:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy262;
+    } else {
+      goto yy265;
+    }
+  yy268:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy267;
+    if (yych <= 0xBF)
+      goto yy264;
+    goto yy267;
+  yy269:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy267;
+    if (yych <= 0xBF)
+      goto yy268;
+    goto yy267;
+  yy270:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy267;
+    if (yych <= 0xBF)
+      goto yy268;
+    goto yy267;
+  yy271:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy267;
+    if (yych <= 0x9F)
+      goto yy268;
+    goto yy267;
+  yy272:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy267;
+    if (yych <= 0xBF)
+      goto yy270;
+    goto yy267;
+  yy273:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy267;
+    if (yych <= 0xBF)
+      goto yy270;
+    goto yy267;
+  yy274:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy267;
+    if (yych <= 0x8F)
+      goto yy270;
+    goto yy267;
+  }
+}
+
+bufsize_t _scan_html_cdata(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 0,   128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych == 'C')
+      goto yy277;
+    if (yych == 'c')
+      goto yy277;
+    ++p;
+  yy276 : { return 0; }
+  yy277:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych == 'D')
+      goto yy278;
+    if (yych != 'd')
+      goto yy276;
+  yy278:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy280;
+    if (yych == 'a')
+      goto yy280;
+  yy279:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy276;
+    } else {
+      goto yy284;
+    }
+  yy280:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy281;
+    if (yych != 't')
+      goto yy279;
+  yy281:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy282;
+    if (yych != 'a')
+      goto yy279;
+  yy282:
+    yych = *++p;
+    if (yych != '[')
+      goto yy279;
+  yy283:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy283;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy284;
+        if (yych <= ']')
+          goto yy285;
+      } else {
+        if (yych <= 0xDF)
+          goto yy286;
+        if (yych <= 0xE0)
+          goto yy287;
+        goto yy288;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy289;
+        if (yych <= 0xEF)
+          goto yy288;
+        goto yy290;
+      } else {
+        if (yych <= 0xF3)
+          goto yy291;
+        if (yych <= 0xF4)
+          goto yy292;
+      }
+    }
+  yy284 : { return (bufsize_t)(p - start); }
+  yy285:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy283;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy279;
+        if (yych <= ']')
+          goto yy293;
+        goto yy279;
+      } else {
+        if (yych <= 0xDF)
+          goto yy286;
+        if (yych <= 0xE0)
+          goto yy287;
+        goto yy288;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy289;
+        if (yych <= 0xEF)
+          goto yy288;
+        goto yy290;
+      } else {
+        if (yych <= 0xF3)
+          goto yy291;
+        if (yych <= 0xF4)
+          goto yy292;
+        goto yy279;
+      }
+    }
+  yy286:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy279;
+    if (yych <= 0xBF)
+      goto yy283;
+    goto yy279;
+  yy287:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy279;
+    if (yych <= 0xBF)
+      goto yy286;
+    goto yy279;
+  yy288:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy279;
+    if (yych <= 0xBF)
+      goto yy286;
+    goto yy279;
+  yy289:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy279;
+    if (yych <= 0x9F)
+      goto yy286;
+    goto yy279;
+  yy290:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy279;
+    if (yych <= 0xBF)
+      goto yy288;
+    goto yy279;
+  yy291:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy279;
+    if (yych <= 0xBF)
+      goto yy288;
+    goto yy279;
+  yy292:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy279;
+    if (yych <= 0x8F)
+      goto yy288;
+    goto yy279;
+  yy293:
+    yych = *++p;
+    if (yych <= 0xE0) {
+      if (yych <= '>') {
+        if (yych <= 0x00)
+          goto yy279;
+        if (yych <= '=')
+          goto yy283;
+        goto yy279;
+      } else {
+        if (yych <= 0x7F)
+          goto yy283;
+        if (yych <= 0xC1)
+          goto yy279;
+        if (yych <= 0xDF)
+          goto yy286;
+        goto yy287;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy289;
+        goto yy288;
+      } else {
+        if (yych <= 0xF0)
+          goto yy290;
+        if (yych <= 0xF3)
+          goto yy291;
+        if (yych <= 0xF4)
+          goto yy292;
+        goto yy279;
+      }
+    }
+  }
+}
+
+// Try to match an HTML block tag start line, returning
+// an integer code for the type of block (1-6, matching the spec).
+// #7 is handled by a separate function, below.
+bufsize_t _scan_html_block_start(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+
+  {
+    unsigned char yych;
+    yych = *p;
+    if (yych == '<')
+      goto yy296;
+    ++p;
+  yy295 : { return 0; }
+  yy296:
+    yych = *(marker = ++p);
+    switch (yych) {
+    case '!':
+      goto yy297;
+    case '/':
+      goto yy299;
+    case '?':
+      goto yy300;
+    case 'A':
+    case 'a':
+      goto yy301;
+    case 'B':
+    case 'b':
+      goto yy302;
+    case 'C':
+    case 'c':
+      goto yy303;
+    case 'D':
+    case 'd':
+      goto yy304;
+    case 'F':
+    case 'f':
+      goto yy305;
+    case 'H':
+    case 'h':
+      goto yy306;
+    case 'I':
+    case 'i':
+      goto yy307;
+    case 'L':
+    case 'l':
+      goto yy308;
+    case 'M':
+    case 'm':
+      goto yy309;
+    case 'N':
+    case 'n':
+      goto yy310;
+    case 'O':
+    case 'o':
+      goto yy311;
+    case 'P':
+    case 'p':
+      goto yy312;
+    case 'S':
+    case 's':
+      goto yy313;
+    case 'T':
+    case 't':
+      goto yy314;
+    case 'U':
+    case 'u':
+      goto yy315;
+    default:
+      goto yy295;
+    }
+  yy297:
+    yych = *++p;
+    if (yych <= '@') {
+      if (yych == '-')
+        goto yy316;
+    } else {
+      if (yych <= 'Z')
+        goto yy317;
+      if (yych <= '[')
+        goto yy318;
+    }
+  yy298:
+    p = marker;
+    goto yy295;
+  yy299:
+    yych = *++p;
+    switch (yych) {
+    case 'A':
+    case 'a':
+      goto yy301;
+    case 'B':
+    case 'b':
+      goto yy302;
+    case 'C':
+    case 'c':
+      goto yy303;
+    case 'D':
+    case 'd':
+      goto yy304;
+    case 'F':
+    case 'f':
+      goto yy305;
+    case 'H':
+    case 'h':
+      goto yy306;
+    case 'I':
+    case 'i':
+      goto yy307;
+    case 'L':
+    case 'l':
+      goto yy308;
+    case 'M':
+    case 'm':
+      goto yy309;
+    case 'N':
+    case 'n':
+      goto yy310;
+    case 'O':
+    case 'o':
+      goto yy311;
+    case 'P':
+    case 'p':
+      goto yy319;
+    case 'S':
+    case 's':
+      goto yy320;
+    case 'T':
+    case 't':
+      goto yy321;
+    case 'U':
+    case 'u':
+      goto yy315;
+    default:
+      goto yy298;
+    }
+  yy300:
+    ++p;
+    { return 3; }
+  yy301:
+    yych = *++p;
+    if (yych <= 'S') {
+      if (yych <= 'D') {
+        if (yych <= 'C')
+          goto yy298;
+        goto yy322;
+      } else {
+        if (yych <= 'Q')
+          goto yy298;
+        if (yych <= 'R')
+          goto yy323;
+        goto yy324;
+      }
+    } else {
+      if (yych <= 'q') {
+        if (yych == 'd')
+          goto yy322;
+        goto yy298;
+      } else {
+        if (yych <= 'r')
+          goto yy323;
+        if (yych <= 's')
+          goto yy324;
+        goto yy298;
+      }
+    }
+  yy302:
+    yych = *++p;
+    if (yych <= 'O') {
+      if (yych <= 'K') {
+        if (yych == 'A')
+          goto yy325;
+        goto yy298;
+      } else {
+        if (yych <= 'L')
+          goto yy326;
+        if (yych <= 'N')
+          goto yy298;
+        goto yy327;
+      }
+    } else {
+      if (yych <= 'k') {
+        if (yych == 'a')
+          goto yy325;
+        goto yy298;
+      } else {
+        if (yych <= 'l')
+          goto yy326;
+        if (yych == 'o')
+          goto yy327;
+        goto yy298;
+      }
+    }
+  yy303:
+    yych = *++p;
+    if (yych <= 'O') {
+      if (yych <= 'D') {
+        if (yych == 'A')
+          goto yy328;
+        goto yy298;
+      } else {
+        if (yych <= 'E')
+          goto yy329;
+        if (yych <= 'N')
+          goto yy298;
+        goto yy330;
+      }
+    } else {
+      if (yych <= 'd') {
+        if (yych == 'a')
+          goto yy328;
+        goto yy298;
+      } else {
+        if (yych <= 'e')
+          goto yy329;
+        if (yych == 'o')
+          goto yy330;
+        goto yy298;
+      }
+    }
+  yy304:
+    yych = *++p;
+    switch (yych) {
+    case 'D':
+    case 'L':
+    case 'T':
+    case 'd':
+    case 'l':
+    case 't':
+      goto yy331;
+    case 'E':
+    case 'e':
+      goto yy332;
+    case 'I':
+    case 'i':
+      goto yy333;
+    default:
+      goto yy298;
+    }
+  yy305:
+    yych = *++p;
+    if (yych <= 'R') {
+      if (yych <= 'N') {
+        if (yych == 'I')
+          goto yy334;
+        goto yy298;
+      } else {
+        if (yych <= 'O')
+          goto yy335;
+        if (yych <= 'Q')
+          goto yy298;
+        goto yy336;
+      }
+    } else {
+      if (yych <= 'n') {
+        if (yych == 'i')
+          goto yy334;
+        goto yy298;
+      } else {
+        if (yych <= 'o')
+          goto yy335;
+        if (yych == 'r')
+          goto yy336;
+        goto yy298;
+      }
+    }
+  yy306:
+    yych = *++p;
+    if (yych <= 'S') {
+      if (yych <= 'D') {
+        if (yych <= '0')
+          goto yy298;
+        if (yych <= '6')
+          goto yy331;
+        goto yy298;
+      } else {
+        if (yych <= 'E')
+          goto yy337;
+        if (yych == 'R')
+          goto yy331;
+        goto yy298;
+      }
+    } else {
+      if (yych <= 'q') {
+        if (yych <= 'T')
+          goto yy338;
+        if (yych == 'e')
+          goto yy337;
+        goto yy298;
+      } else {
+        if (yych <= 'r')
+          goto yy331;
+        if (yych == 't')
+          goto yy338;
+        goto yy298;
+      }
+    }
+  yy307:
+    yych = *++p;
+    if (yych == 'F')
+      goto yy339;
+    if (yych == 'f')
+      goto yy339;
+    goto yy298;
+  yy308:
+    yych = *++p;
+    if (yych <= 'I') {
+      if (yych == 'E')
+        goto yy340;
+      if (yych <= 'H')
+        goto yy298;
+      goto yy341;
+    } else {
+      if (yych <= 'e') {
+        if (yych <= 'd')
+          goto yy298;
+        goto yy340;
+      } else {
+        if (yych == 'i')
+          goto yy341;
+        goto yy298;
+      }
+    }
+  yy309:
+    yych = *++p;
+    if (yych <= 'E') {
+      if (yych == 'A')
+        goto yy342;
+      if (yych <= 'D')
+        goto yy298;
+      goto yy343;
+    } else {
+      if (yych <= 'a') {
+        if (yych <= '`')
+          goto yy298;
+        goto yy342;
+      } else {
+        if (yych == 'e')
+          goto yy343;
+        goto yy298;
+      }
+    }
+  yy310:
+    yych = *++p;
+    if (yych <= 'O') {
+      if (yych == 'A')
+        goto yy344;
+      if (yych <= 'N')
+        goto yy298;
+      goto yy345;
+    } else {
+      if (yych <= 'a') {
+        if (yych <= '`')
+          goto yy298;
+        goto yy344;
+      } else {
+        if (yych == 'o')
+          goto yy345;
+        goto yy298;
+      }
+    }
+  yy311:
+    yych = *++p;
+    if (yych <= 'P') {
+      if (yych == 'L')
+        goto yy331;
+      if (yych <= 'O')
+        goto yy298;
+      goto yy346;
+    } else {
+      if (yych <= 'l') {
+        if (yych <= 'k')
+          goto yy298;
+        goto yy331;
+      } else {
+        if (yych == 'p')
+          goto yy346;
+        goto yy298;
+      }
+    }
+  yy312:
+    yych = *++p;
+    if (yych <= '>') {
+      if (yych <= ' ') {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        if (yych <= 0x1F)
+          goto yy298;
+        goto yy347;
+      } else {
+        if (yych == '/')
+          goto yy348;
+        if (yych <= '=')
+          goto yy298;
+        goto yy347;
+      }
+    } else {
+      if (yych <= 'R') {
+        if (yych == 'A')
+          goto yy349;
+        if (yych <= 'Q')
+          goto yy298;
+        goto yy350;
+      } else {
+        if (yych <= 'a') {
+          if (yych <= '`')
+            goto yy298;
+          goto yy349;
+        } else {
+          if (yych == 'r')
+            goto yy350;
+          goto yy298;
+        }
+      }
+    }
+  yy313:
+    yych = *++p;
+    switch (yych) {
+    case 'C':
+    case 'c':
+      goto yy351;
+    case 'E':
+    case 'e':
+      goto yy352;
+    case 'O':
+    case 'o':
+      goto yy353;
+    case 'T':
+    case 't':
+      goto yy354;
+    case 'U':
+    case 'u':
+      goto yy355;
+    default:
+      goto yy298;
+    }
+  yy314:
+    yych = *++p;
+    switch (yych) {
+    case 'A':
+    case 'a':
+      goto yy356;
+    case 'B':
+    case 'b':
+      goto yy357;
+    case 'D':
+    case 'd':
+      goto yy331;
+    case 'E':
+    case 'e':
+      goto yy358;
+    case 'F':
+    case 'f':
+      goto yy359;
+    case 'H':
+    case 'h':
+      goto yy360;
+    case 'I':
+    case 'i':
+      goto yy361;
+    case 'R':
+    case 'r':
+      goto yy362;
+    default:
+      goto yy298;
+    }
+  yy315:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy331;
+    if (yych == 'l')
+      goto yy331;
+    goto yy298;
+  yy316:
+    yych = *++p;
+    if (yych == '-')
+      goto yy363;
+    goto yy298;
+  yy317:
+    ++p;
+    { return 4; }
+  yy318:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy364;
+    if (yych == 'c')
+      goto yy364;
+    goto yy298;
+  yy319:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= '@') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'A')
+          goto yy349;
+        if (yych == 'a')
+          goto yy349;
+        goto yy298;
+      }
+    }
+  yy320:
+    yych = *++p;
+    if (yych <= 'U') {
+      if (yych <= 'N') {
+        if (yych == 'E')
+          goto yy352;
+        goto yy298;
+      } else {
+        if (yych <= 'O')
+          goto yy353;
+        if (yych <= 'T')
+          goto yy298;
+        goto yy355;
+      }
+    } else {
+      if (yych <= 'n') {
+        if (yych == 'e')
+          goto yy352;
+        goto yy298;
+      } else {
+        if (yych <= 'o')
+          goto yy353;
+        if (yych == 'u')
+          goto yy355;
+        goto yy298;
+      }
+    }
+  yy321:
+    yych = *++p;
+    switch (yych) {
+    case 'A':
+    case 'a':
+      goto yy356;
+    case 'B':
+    case 'b':
+      goto yy357;
+    case 'D':
+    case 'd':
+      goto yy331;
+    case 'F':
+    case 'f':
+      goto yy359;
+    case 'H':
+    case 'h':
+      goto yy360;
+    case 'I':
+    case 'i':
+      goto yy361;
+    case 'R':
+    case 'r':
+      goto yy362;
+    default:
+      goto yy298;
+    }
+  yy322:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy365;
+    if (yych == 'd')
+      goto yy365;
+    goto yy298;
+  yy323:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy366;
+    if (yych == 't')
+      goto yy366;
+    goto yy298;
+  yy324:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy367;
+    if (yych == 'i')
+      goto yy367;
+    goto yy298;
+  yy325:
+    yych = *++p;
+    if (yych == 'S')
+      goto yy368;
+    if (yych == 's')
+      goto yy368;
+    goto yy298;
+  yy326:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy369;
+    if (yych == 'o')
+      goto yy369;
+    goto yy298;
+  yy327:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy370;
+    if (yych == 'd')
+      goto yy370;
+    goto yy298;
+  yy328:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy371;
+    if (yych == 'p')
+      goto yy371;
+    goto yy298;
+  yy329:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy372;
+    if (yych == 'n')
+      goto yy372;
+    goto yy298;
+  yy330:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy373;
+    if (yych == 'l')
+      goto yy373;
+    goto yy298;
+  yy331:
+    yych = *++p;
+    if (yych <= ' ') {
+      if (yych <= 0x08)
+        goto yy298;
+      if (yych <= '\r')
+        goto yy347;
+      if (yych <= 0x1F)
+        goto yy298;
+      goto yy347;
+    } else {
+      if (yych <= '/') {
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      } else {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      }
+    }
+  yy332:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy374;
+    if (yych == 't')
+      goto yy374;
+    goto yy298;
+  yy333:
+    yych = *++p;
+    if (yych <= 'V') {
+      if (yych <= 'Q') {
+        if (yych == 'A')
+          goto yy375;
+        goto yy298;
+      } else {
+        if (yych <= 'R')
+          goto yy331;
+        if (yych <= 'U')
+          goto yy298;
+        goto yy331;
+      }
+    } else {
+      if (yych <= 'q') {
+        if (yych == 'a')
+          goto yy375;
+        goto yy298;
+      } else {
+        if (yych <= 'r')
+          goto yy331;
+        if (yych == 'v')
+          goto yy331;
+        goto yy298;
+      }
+    }
+  yy334:
+    yych = *++p;
+    if (yych <= 'G') {
+      if (yych == 'E')
+        goto yy376;
+      if (yych <= 'F')
+        goto yy298;
+      goto yy377;
+    } else {
+      if (yych <= 'e') {
+        if (yych <= 'd')
+          goto yy298;
+        goto yy376;
+      } else {
+        if (yych == 'g')
+          goto yy377;
+        goto yy298;
+      }
+    }
+  yy335:
+    yych = *++p;
+    if (yych <= 'R') {
+      if (yych == 'O')
+        goto yy372;
+      if (yych <= 'Q')
+        goto yy298;
+      goto yy378;
+    } else {
+      if (yych <= 'o') {
+        if (yych <= 'n')
+          goto yy298;
+        goto yy372;
+      } else {
+        if (yych == 'r')
+          goto yy378;
+        goto yy298;
+      }
+    }
+  yy336:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy379;
+    if (yych == 'a')
+      goto yy379;
+    goto yy298;
+  yy337:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy380;
+    if (yych == 'a')
+      goto yy380;
+    goto yy298;
+  yy338:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy315;
+    if (yych == 'm')
+      goto yy315;
+    goto yy298;
+  yy339:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy381;
+    if (yych == 'r')
+      goto yy381;
+    goto yy298;
+  yy340:
+    yych = *++p;
+    if (yych == 'G')
+      goto yy382;
+    if (yych == 'g')
+      goto yy382;
+    goto yy298;
+  yy341:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'M') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'N')
+          goto yy383;
+        if (yych == 'n')
+          goto yy383;
+        goto yy298;
+      }
+    }
+  yy342:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy384;
+    if (yych == 'i')
+      goto yy384;
+    goto yy298;
+  yy343:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy385;
+    if (yych == 'n')
+      goto yy385;
+    goto yy298;
+  yy344:
+    yych = *++p;
+    if (yych == 'V')
+      goto yy331;
+    if (yych == 'v')
+      goto yy331;
+    goto yy298;
+  yy345:
+    yych = *++p;
+    if (yych == 'F')
+      goto yy386;
+    if (yych == 'f')
+      goto yy386;
+    goto yy298;
+  yy346:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy387;
+    if (yych == 't')
+      goto yy387;
+    goto yy298;
+  yy347:
+    ++p;
+    { return 6; }
+  yy348:
+    yych = *++p;
+    if (yych == '>')
+      goto yy347;
+    goto yy298;
+  yy349:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy388;
+    if (yych == 'r')
+      goto yy388;
+    goto yy298;
+  yy350:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy389;
+    if (yych == 'e')
+      goto yy389;
+    goto yy298;
+  yy351:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy390;
+    if (yych == 'r')
+      goto yy390;
+    goto yy298;
+  yy352:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy371;
+    if (yych == 'c')
+      goto yy371;
+    goto yy298;
+  yy353:
+    yych = *++p;
+    if (yych == 'U')
+      goto yy391;
+    if (yych == 'u')
+      goto yy391;
+    goto yy298;
+  yy354:
+    yych = *++p;
+    if (yych == 'Y')
+      goto yy392;
+    if (yych == 'y')
+      goto yy392;
+    goto yy298;
+  yy355:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy393;
+    if (yych == 'm')
+      goto yy393;
+    goto yy298;
+  yy356:
+    yych = *++p;
+    if (yych == 'B')
+      goto yy394;
+    if (yych == 'b')
+      goto yy394;
+    goto yy298;
+  yy357:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy327;
+    if (yych == 'o')
+      goto yy327;
+    goto yy298;
+  yy358:
+    yych = *++p;
+    if (yych == 'X')
+      goto yy395;
+    if (yych == 'x')
+      goto yy395;
+    goto yy298;
+  yy359:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy396;
+    if (yych == 'o')
+      goto yy396;
+    goto yy298;
+  yy360:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'D') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'E')
+          goto yy397;
+        if (yych == 'e')
+          goto yy397;
+        goto yy298;
+      }
+    }
+  yy361:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy394;
+    if (yych == 't')
+      goto yy394;
+    goto yy298;
+  yy362:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= '@') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'A')
+          goto yy398;
+        if (yych == 'a')
+          goto yy398;
+        goto yy298;
+      }
+    }
+  yy363:
+    ++p;
+    { return 2; }
+  yy364:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy399;
+    if (yych == 'd')
+      goto yy399;
+    goto yy298;
+  yy365:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy400;
+    if (yych == 'r')
+      goto yy400;
+    goto yy298;
+  yy366:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy401;
+    if (yych == 'i')
+      goto yy401;
+    goto yy298;
+  yy367:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy402;
+    if (yych == 'd')
+      goto yy402;
+    goto yy298;
+  yy368:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy403;
+    if (yych == 'e')
+      goto yy403;
+    goto yy298;
+  yy369:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy404;
+    if (yych == 'c')
+      goto yy404;
+    goto yy298;
+  yy370:
+    yych = *++p;
+    if (yych == 'Y')
+      goto yy331;
+    if (yych == 'y')
+      goto yy331;
+    goto yy298;
+  yy371:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy405;
+    if (yych == 't')
+      goto yy405;
+    goto yy298;
+  yy372:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy406;
+    if (yych == 't')
+      goto yy406;
+    goto yy298;
+  yy373:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'F') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'G')
+          goto yy407;
+        if (yych == 'g')
+          goto yy407;
+        goto yy298;
+      }
+    }
+  yy374:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy408;
+    if (yych == 'a')
+      goto yy408;
+    goto yy298;
+  yy375:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy409;
+    if (yych == 'l')
+      goto yy409;
+    goto yy298;
+  yy376:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy410;
+    if (yych == 'l')
+      goto yy410;
+    goto yy298;
+  yy377:
+    yych = *++p;
+    if (yych <= 'U') {
+      if (yych == 'C')
+        goto yy411;
+      if (yych <= 'T')
+        goto yy298;
+      goto yy412;
+    } else {
+      if (yych <= 'c') {
+        if (yych <= 'b')
+          goto yy298;
+        goto yy411;
+      } else {
+        if (yych == 'u')
+          goto yy412;
+        goto yy298;
+      }
+    }
+  yy378:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy331;
+    if (yych == 'm')
+      goto yy331;
+    goto yy298;
+  yy379:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy413;
+    if (yych == 'm')
+      goto yy413;
+    goto yy298;
+  yy380:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy414;
+    if (yych == 'd')
+      goto yy414;
+    goto yy298;
+  yy381:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy415;
+    if (yych == 'a')
+      goto yy415;
+    goto yy298;
+  yy382:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy416;
+    if (yych == 'e')
+      goto yy416;
+    goto yy298;
+  yy383:
+    yych = *++p;
+    if (yych == 'K')
+      goto yy331;
+    if (yych == 'k')
+      goto yy331;
+    goto yy298;
+  yy384:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy331;
+    if (yych == 'n')
+      goto yy331;
+    goto yy298;
+  yy385:
+    yych = *++p;
+    if (yych == 'U')
+      goto yy417;
+    if (yych == 'u')
+      goto yy417;
+    goto yy298;
+  yy386:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy418;
+    if (yych == 'r')
+      goto yy418;
+    goto yy298;
+  yy387:
+    yych = *++p;
+    if (yych <= 'I') {
+      if (yych == 'G')
+        goto yy407;
+      if (yych <= 'H')
+        goto yy298;
+      goto yy419;
+    } else {
+      if (yych <= 'g') {
+        if (yych <= 'f')
+          goto yy298;
+        goto yy407;
+      } else {
+        if (yych == 'i')
+          goto yy419;
+        goto yy298;
+      }
+    }
+  yy388:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy378;
+    if (yych == 'a')
+      goto yy378;
+    goto yy298;
+  yy389:
+    yych = *++p;
+    if (yych <= 0x1F) {
+      if (yych <= 0x08)
+        goto yy298;
+      if (yych <= '\r')
+        goto yy420;
+      goto yy298;
+    } else {
+      if (yych <= ' ')
+        goto yy420;
+      if (yych == '>')
+        goto yy420;
+      goto yy298;
+    }
+  yy390:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy421;
+    if (yych == 'i')
+      goto yy421;
+    goto yy298;
+  yy391:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy422;
+    if (yych == 'r')
+      goto yy422;
+    goto yy298;
+  yy392:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy350;
+    if (yych == 'l')
+      goto yy350;
+    goto yy298;
+  yy393:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy423;
+    if (yych == 'm')
+      goto yy423;
+    goto yy298;
+  yy394:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy402;
+    if (yych == 'l')
+      goto yy402;
+    goto yy298;
+  yy395:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy424;
+    if (yych == 't')
+      goto yy424;
+    goto yy298;
+  yy396:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy425;
+    if (yych == 'o')
+      goto yy425;
+    goto yy298;
+  yy397:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy426;
+    if (yych == 'a')
+      goto yy426;
+    goto yy298;
+  yy398:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy383;
+    if (yych == 'c')
+      goto yy383;
+    goto yy298;
+  yy399:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy427;
+    if (yych == 'a')
+      goto yy427;
+    goto yy298;
+  yy400:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy428;
+    if (yych == 'e')
+      goto yy428;
+    goto yy298;
+  yy401:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy394;
+    if (yych == 'c')
+      goto yy394;
+    goto yy298;
+  yy402:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy331;
+    if (yych == 'e')
+      goto yy331;
+    goto yy298;
+  yy403:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'E') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'F')
+          goto yy429;
+        if (yych == 'f')
+          goto yy429;
+        goto yy298;
+      }
+    }
+  yy404:
+    yych = *++p;
+    if (yych == 'K')
+      goto yy430;
+    if (yych == 'k')
+      goto yy430;
+    goto yy298;
+  yy405:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy419;
+    if (yych == 'i')
+      goto yy419;
+    goto yy298;
+  yy406:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy431;
+    if (yych == 'e')
+      goto yy431;
+    goto yy298;
+  yy407:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy432;
+    if (yych == 'r')
+      goto yy432;
+    goto yy298;
+  yy408:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy433;
+    if (yych == 'i')
+      goto yy433;
+    goto yy298;
+  yy409:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy434;
+    if (yych == 'o')
+      goto yy434;
+    goto yy298;
+  yy410:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy435;
+    if (yych == 'd')
+      goto yy435;
+    goto yy298;
+  yy411:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy328;
+    if (yych == 'a')
+      goto yy328;
+    goto yy298;
+  yy412:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy402;
+    if (yych == 'r')
+      goto yy402;
+    goto yy298;
+  yy413:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy436;
+    if (yych == 'e')
+      goto yy436;
+    goto yy298;
+  yy414:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'D') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'E')
+          goto yy431;
+        if (yych == 'e')
+          goto yy431;
+        goto yy298;
+      }
+    }
+  yy415:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy402;
+    if (yych == 'm')
+      goto yy402;
+    goto yy298;
+  yy416:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy426;
+    if (yych == 'n')
+      goto yy426;
+    goto yy298;
+  yy417:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'H') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'I')
+          goto yy437;
+        if (yych == 'i')
+          goto yy437;
+        goto yy298;
+      }
+    }
+  yy418:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy438;
+    if (yych == 'a')
+      goto yy438;
+    goto yy298;
+  yy419:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy384;
+    if (yych == 'o')
+      goto yy384;
+    goto yy298;
+  yy420:
+    ++p;
+    { return 1; }
+  yy421:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy439;
+    if (yych == 'p')
+      goto yy439;
+    goto yy298;
+  yy422:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy402;
+    if (yych == 'c')
+      goto yy402;
+    goto yy298;
+  yy423:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy440;
+    if (yych == 'a')
+      goto yy440;
+    goto yy298;
+  yy424:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy441;
+    if (yych == 'a')
+      goto yy441;
+    goto yy298;
+  yy425:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy331;
+    if (yych == 't')
+      goto yy331;
+    goto yy298;
+  yy426:
+    yych = *++p;
+    if (yych == 'D')
+      goto yy331;
+    if (yych == 'd')
+      goto yy331;
+    goto yy298;
+  yy427:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy442;
+    if (yych == 't')
+      goto yy442;
+    goto yy298;
+  yy428:
+    yych = *++p;
+    if (yych == 'S')
+      goto yy443;
+    if (yych == 's')
+      goto yy443;
+    goto yy298;
+  yy429:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy444;
+    if (yych == 'o')
+      goto yy444;
+    goto yy298;
+  yy430:
+    yych = *++p;
+    if (yych == 'Q')
+      goto yy445;
+    if (yych == 'q')
+      goto yy445;
+    goto yy298;
+  yy431:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy331;
+    if (yych == 'r')
+      goto yy331;
+    goto yy298;
+  yy432:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy446;
+    if (yych == 'o')
+      goto yy446;
+    goto yy298;
+  yy433:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy443;
+    if (yych == 'l')
+      goto yy443;
+    goto yy298;
+  yy434:
+    yych = *++p;
+    if (yych == 'G')
+      goto yy331;
+    if (yych == 'g')
+      goto yy331;
+    goto yy298;
+  yy435:
+    yych = *++p;
+    if (yych == 'S')
+      goto yy447;
+    if (yych == 's')
+      goto yy447;
+    goto yy298;
+  yy436:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy298;
+        if (yych <= '\r')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= ' ')
+          goto yy347;
+        if (yych <= '.')
+          goto yy298;
+        goto yy348;
+      }
+    } else {
+      if (yych <= 'R') {
+        if (yych == '>')
+          goto yy347;
+        goto yy298;
+      } else {
+        if (yych <= 'S')
+          goto yy447;
+        if (yych == 's')
+          goto yy447;
+        goto yy298;
+      }
+    }
+  yy437:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy448;
+    if (yych == 't')
+      goto yy448;
+    goto yy298;
+  yy438:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy449;
+    if (yych == 'm')
+      goto yy449;
+    goto yy298;
+  yy439:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy389;
+    if (yych == 't')
+      goto yy389;
+    goto yy298;
+  yy440:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy370;
+    if (yych == 'r')
+      goto yy370;
+    goto yy298;
+  yy441:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy450;
+    if (yych == 'r')
+      goto yy450;
+    goto yy298;
+  yy442:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy451;
+    if (yych == 'a')
+      goto yy451;
+    goto yy298;
+  yy443:
+    yych = *++p;
+    if (yych == 'S')
+      goto yy331;
+    if (yych == 's')
+      goto yy331;
+    goto yy298;
+  yy444:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy425;
+    if (yych == 'n')
+      goto yy425;
+    goto yy298;
+  yy445:
+    yych = *++p;
+    if (yych == 'U')
+      goto yy452;
+    if (yych == 'u')
+      goto yy452;
+    goto yy298;
+  yy446:
+    yych = *++p;
+    if (yych == 'U')
+      goto yy453;
+    if (yych == 'u')
+      goto yy453;
+    goto yy298;
+  yy447:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy425;
+    if (yych == 'e')
+      goto yy425;
+    goto yy298;
+  yy448:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy378;
+    if (yych == 'e')
+      goto yy378;
+    goto yy298;
+  yy449:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy443;
+    if (yych == 'e')
+      goto yy443;
+    goto yy298;
+  yy450:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy454;
+    if (yych == 'e')
+      goto yy454;
+    goto yy298;
+  yy451:
+    yych = *++p;
+    if (yych == '[')
+      goto yy455;
+    goto yy298;
+  yy452:
+    yych = *++p;
+    if (yych == 'O')
+      goto yy456;
+    if (yych == 'o')
+      goto yy456;
+    goto yy298;
+  yy453:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy331;
+    if (yych == 'p')
+      goto yy331;
+    goto yy298;
+  yy454:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy389;
+    if (yych == 'a')
+      goto yy389;
+    goto yy298;
+  yy455:
+    ++p;
+    { return 5; }
+  yy456:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy402;
+    if (yych == 't')
+      goto yy402;
+    goto yy298;
+  }
+}
+
+// Try to match an HTML block tag start line of type 7, returning
+// 7 if successful, 0 if not.
+bufsize_t _scan_html_block_start_7(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   224, 224, 224, 224, 224, 224, 224, 224, 198, 210, 194, 198, 194,
+        224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224, 224,
+        224, 224, 224, 224, 198, 224, 128, 224, 224, 224, 224, 64,  224, 224,
+        224, 224, 224, 233, 232, 224, 233, 233, 233, 233, 233, 233, 233, 233,
+        233, 233, 232, 224, 192, 192, 192, 224, 224, 233, 233, 233, 233, 233,
+        233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233,
+        233, 233, 233, 233, 233, 233, 233, 224, 224, 224, 224, 232, 192, 233,
+        233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233,
+        233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 233, 224, 224, 224,
+        224, 224, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych == '<')
+      goto yy459;
+    ++p;
+  yy458 : { return 0; }
+  yy459:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '@') {
+      if (yych != '/')
+        goto yy458;
+    } else {
+      if (yych <= 'Z')
+        goto yy461;
+      if (yych <= '`')
+        goto yy458;
+      if (yych <= 'z')
+        goto yy461;
+      goto yy458;
+    }
+    yych = *++p;
+    if (yych <= '@')
+      goto yy460;
+    if (yych <= 'Z')
+      goto yy462;
+    if (yych <= '`')
+      goto yy460;
+    if (yych <= 'z')
+      goto yy462;
+  yy460:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy458;
+    } else {
+      goto yy469;
+    }
+  yy461:
+    yych = *++p;
+    if (yybm[0 + yych] & 2) {
+      goto yy463;
+    }
+    if (yych <= '=') {
+      if (yych <= '.') {
+        if (yych == '-')
+          goto yy461;
+        goto yy460;
+      } else {
+        if (yych <= '/')
+          goto yy464;
+        if (yych <= '9')
+          goto yy461;
+        goto yy460;
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '>')
+          goto yy465;
+        if (yych <= '@')
+          goto yy460;
+        goto yy461;
+      } else {
+        if (yych <= '`')
+          goto yy460;
+        if (yych <= 'z')
+          goto yy461;
+        goto yy460;
+      }
+    }
+  yy462:
+    yych = *++p;
+    if (yych <= '/') {
+      if (yych <= 0x1F) {
+        if (yych <= 0x08)
+          goto yy460;
+        if (yych <= '\r')
+          goto yy466;
+        goto yy460;
+      } else {
+        if (yych <= ' ')
+          goto yy466;
+        if (yych == '-')
+          goto yy462;
+        goto yy460;
+      }
+    } else {
+      if (yych <= '@') {
+        if (yych <= '9')
+          goto yy462;
+        if (yych == '>')
+          goto yy465;
+        goto yy460;
+      } else {
+        if (yych <= 'Z')
+          goto yy462;
+        if (yych <= '`')
+          goto yy460;
+        if (yych <= 'z')
+          goto yy462;
+        goto yy460;
+      }
+    }
+  yy463:
+    yych = *++p;
+    if (yybm[0 + yych] & 2) {
+      goto yy463;
+    }
+    if (yych <= '>') {
+      if (yych <= '9') {
+        if (yych != '/')
+          goto yy460;
+      } else {
+        if (yych <= ':')
+          goto yy467;
+        if (yych <= '=')
+          goto yy460;
+        goto yy465;
+      }
+    } else {
+      if (yych <= '^') {
+        if (yych <= '@')
+          goto yy460;
+        if (yych <= 'Z')
+          goto yy467;
+        goto yy460;
+      } else {
+        if (yych == '`')
+          goto yy460;
+        if (yych <= 'z')
+          goto yy467;
+        goto yy460;
+      }
+    }
+  yy464:
+    yych = *++p;
+    if (yych != '>')
+      goto yy460;
+  yy465:
+    yych = *++p;
+    if (yybm[0 + yych] & 4) {
+      goto yy465;
+    }
+    if (yych <= 0x08)
+      goto yy460;
+    if (yych <= '\n')
+      goto yy468;
+    if (yych <= '\v')
+      goto yy460;
+    if (yych <= '\r')
+      goto yy470;
+    goto yy460;
+  yy466:
+    yych = *++p;
+    if (yych <= 0x1F) {
+      if (yych <= 0x08)
+        goto yy460;
+      if (yych <= '\r')
+        goto yy466;
+      goto yy460;
+    } else {
+      if (yych <= ' ')
+        goto yy466;
+      if (yych == '>')
+        goto yy465;
+      goto yy460;
+    }
+  yy467:
+    yych = *++p;
+    if (yybm[0 + yych] & 8) {
+      goto yy467;
+    }
+    if (yych <= ',') {
+      if (yych <= '\r') {
+        if (yych <= 0x08)
+          goto yy460;
+        goto yy471;
+      } else {
+        if (yych == ' ')
+          goto yy471;
+        goto yy460;
+      }
+    } else {
+      if (yych <= '<') {
+        if (yych <= '/')
+          goto yy464;
+        goto yy460;
+      } else {
+        if (yych <= '=')
+          goto yy472;
+        if (yych <= '>')
+          goto yy465;
+        goto yy460;
+      }
+    }
+  yy468:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 4) {
+      goto yy465;
+    }
+    if (yych <= 0x08)
+      goto yy469;
+    if (yych <= '\n')
+      goto yy468;
+    if (yych <= '\v')
+      goto yy469;
+    if (yych <= '\r')
+      goto yy470;
+  yy469 : { return 7; }
+  yy470:
+    ++p;
+    goto yy469;
+  yy471:
+    yych = *++p;
+    if (yych <= '<') {
+      if (yych <= ' ') {
+        if (yych <= 0x08)
+          goto yy460;
+        if (yych <= '\r')
+          goto yy471;
+        if (yych <= 0x1F)
+          goto yy460;
+        goto yy471;
+      } else {
+        if (yych <= '/') {
+          if (yych <= '.')
+            goto yy460;
+          goto yy464;
+        } else {
+          if (yych == ':')
+            goto yy467;
+          goto yy460;
+        }
+      }
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '=')
+          goto yy472;
+        if (yych <= '>')
+          goto yy465;
+        if (yych <= '@')
+          goto yy460;
+        goto yy467;
+      } else {
+        if (yych <= '_') {
+          if (yych <= '^')
+            goto yy460;
+          goto yy467;
+        } else {
+          if (yych <= '`')
+            goto yy460;
+          if (yych <= 'z')
+            goto yy467;
+          goto yy460;
+        }
+      }
+    }
+  yy472:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy473;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '"') {
+        if (yych <= 0x00)
+          goto yy460;
+        if (yych <= ' ')
+          goto yy472;
+        goto yy474;
+      } else {
+        if (yych <= '\'')
+          goto yy475;
+        if (yych <= 0xC1)
+          goto yy460;
+        if (yych <= 0xDF)
+          goto yy476;
+        goto yy477;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy479;
+        goto yy478;
+      } else {
+        if (yych <= 0xF0)
+          goto yy480;
+        if (yych <= 0xF3)
+          goto yy481;
+        if (yych <= 0xF4)
+          goto yy482;
+        goto yy460;
+      }
+    }
+  yy473:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy473;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy460;
+        if (yych <= ' ')
+          goto yy463;
+        goto yy460;
+      } else {
+        if (yych <= '>')
+          goto yy465;
+        if (yych <= 0xC1)
+          goto yy460;
+        if (yych <= 0xDF)
+          goto yy476;
+        goto yy477;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy479;
+        goto yy478;
+      } else {
+        if (yych <= 0xF0)
+          goto yy480;
+        if (yych <= 0xF3)
+          goto yy481;
+        if (yych <= 0xF4)
+          goto yy482;
+        goto yy460;
+      }
+    }
+  yy474:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy474;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy460;
+        if (yych <= '"')
+          goto yy483;
+        goto yy460;
+      } else {
+        if (yych <= 0xDF)
+          goto yy484;
+        if (yych <= 0xE0)
+          goto yy485;
+        goto yy486;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy487;
+        if (yych <= 0xEF)
+          goto yy486;
+        goto yy488;
+      } else {
+        if (yych <= 0xF3)
+          goto yy489;
+        if (yych <= 0xF4)
+          goto yy490;
+        goto yy460;
+      }
+    }
+  yy475:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy475;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy460;
+        if (yych <= '\'')
+          goto yy483;
+        goto yy460;
+      } else {
+        if (yych <= 0xDF)
+          goto yy491;
+        if (yych <= 0xE0)
+          goto yy492;
+        goto yy493;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy494;
+        if (yych <= 0xEF)
+          goto yy493;
+        goto yy495;
+      } else {
+        if (yych <= 0xF3)
+          goto yy496;
+        if (yych <= 0xF4)
+          goto yy497;
+        goto yy460;
+      }
+    }
+  yy476:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy473;
+    goto yy460;
+  yy477:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy476;
+    goto yy460;
+  yy478:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy476;
+    goto yy460;
+  yy479:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x9F)
+      goto yy476;
+    goto yy460;
+  yy480:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy478;
+    goto yy460;
+  yy481:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy478;
+    goto yy460;
+  yy482:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x8F)
+      goto yy478;
+    goto yy460;
+  yy483:
+    yych = *++p;
+    if (yybm[0 + yych] & 2) {
+      goto yy463;
+    }
+    if (yych == '/')
+      goto yy464;
+    if (yych == '>')
+      goto yy465;
+    goto yy460;
+  yy484:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy474;
+    goto yy460;
+  yy485:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy484;
+    goto yy460;
+  yy486:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy484;
+    goto yy460;
+  yy487:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x9F)
+      goto yy484;
+    goto yy460;
+  yy488:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy486;
+    goto yy460;
+  yy489:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy486;
+    goto yy460;
+  yy490:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x8F)
+      goto yy486;
+    goto yy460;
+  yy491:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy475;
+    goto yy460;
+  yy492:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy491;
+    goto yy460;
+  yy493:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy491;
+    goto yy460;
+  yy494:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x9F)
+      goto yy491;
+    goto yy460;
+  yy495:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy493;
+    goto yy460;
+  yy496:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0xBF)
+      goto yy493;
+    goto yy460;
+  yy497:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy460;
+    if (yych <= 0x8F)
+      goto yy493;
+    goto yy460;
+  }
+}
+
+// Try to match an HTML block end line of type 1
+bufsize_t _scan_html_block_end_1(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,  64, 64, 64, 64, 64, 64,  64, 64, 64, 0,  64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych <= 0xDF) {
+      if (yych <= ';') {
+        if (yych <= 0x00)
+          goto yy499;
+        if (yych != '\n')
+          goto yy501;
+      } else {
+        if (yych <= '<')
+          goto yy502;
+        if (yych <= 0x7F)
+          goto yy501;
+        if (yych >= 0xC2)
+          goto yy503;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy504;
+        if (yych == 0xED)
+          goto yy506;
+        goto yy505;
+      } else {
+        if (yych <= 0xF0)
+          goto yy507;
+        if (yych <= 0xF3)
+          goto yy508;
+        if (yych <= 0xF4)
+          goto yy509;
+      }
+    }
+  yy499:
+    ++p;
+  yy500 : { return 0; }
+  yy501:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy500;
+      if (yych <= '\t')
+        goto yy511;
+      goto yy500;
+    } else {
+      if (yych <= 0x7F)
+        goto yy511;
+      if (yych <= 0xC1)
+        goto yy500;
+      if (yych <= 0xF4)
+        goto yy511;
+      goto yy500;
+    }
+  yy502:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '.') {
+      if (yych <= 0x00)
+        goto yy500;
+      if (yych == '\n')
+        goto yy500;
+      goto yy511;
+    } else {
+      if (yych <= 0x7F) {
+        if (yych <= '/')
+          goto yy521;
+        goto yy511;
+      } else {
+        if (yych <= 0xC1)
+          goto yy500;
+        if (yych <= 0xF4)
+          goto yy511;
+        goto yy500;
+      }
+    }
+  yy503:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy500;
+    if (yych <= 0xBF)
+      goto yy510;
+    goto yy500;
+  yy504:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy500;
+    if (yych <= 0xBF)
+      goto yy514;
+    goto yy500;
+  yy505:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy500;
+    if (yych <= 0xBF)
+      goto yy514;
+    goto yy500;
+  yy506:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy500;
+    if (yych <= 0x9F)
+      goto yy514;
+    goto yy500;
+  yy507:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy500;
+    if (yych <= 0xBF)
+      goto yy516;
+    goto yy500;
+  yy508:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy500;
+    if (yych <= 0xBF)
+      goto yy516;
+    goto yy500;
+  yy509:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy500;
+    if (yych <= 0x8F)
+      goto yy516;
+    goto yy500;
+  yy510:
+    yych = *++p;
+  yy511:
+    if (yybm[0 + yych] & 64) {
+      goto yy510;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy512;
+        if (yych <= '<')
+          goto yy513;
+      } else {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        goto yy516;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy517;
+        if (yych <= 0xEF)
+          goto yy516;
+        goto yy518;
+      } else {
+        if (yych <= 0xF3)
+          goto yy519;
+        if (yych <= 0xF4)
+          goto yy520;
+      }
+    }
+  yy512:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy500;
+    } else {
+      goto yy534;
+    }
+  yy513:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '.') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= '/')
+          goto yy521;
+        if (yych <= 0x7F)
+          goto yy510;
+        if (yych <= 0xC1)
+          goto yy512;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych == 0xED)
+          goto yy517;
+        goto yy516;
+      } else {
+        if (yych <= 0xF0)
+          goto yy518;
+        if (yych <= 0xF3)
+          goto yy519;
+        if (yych <= 0xF4)
+          goto yy520;
+        goto yy512;
+      }
+    }
+  yy514:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy512;
+    if (yych <= 0xBF)
+      goto yy510;
+    goto yy512;
+  yy515:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy512;
+    if (yych <= 0xBF)
+      goto yy514;
+    goto yy512;
+  yy516:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy512;
+    if (yych <= 0xBF)
+      goto yy514;
+    goto yy512;
+  yy517:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy512;
+    if (yych <= 0x9F)
+      goto yy514;
+    goto yy512;
+  yy518:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy512;
+    if (yych <= 0xBF)
+      goto yy516;
+    goto yy512;
+  yy519:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy512;
+    if (yych <= 0xBF)
+      goto yy516;
+    goto yy512;
+  yy520:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy512;
+    if (yych <= 0x8F)
+      goto yy516;
+    goto yy512;
+  yy521:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 's') {
+      if (yych <= 'R') {
+        if (yych <= '\n') {
+          if (yych <= 0x00)
+            goto yy512;
+          if (yych <= '\t')
+            goto yy510;
+          goto yy512;
+        } else {
+          if (yych != 'P')
+            goto yy510;
+        }
+      } else {
+        if (yych <= 'o') {
+          if (yych <= 'S')
+            goto yy523;
+          if (yych <= 'T')
+            goto yy524;
+          goto yy510;
+        } else {
+          if (yych <= 'p')
+            goto yy522;
+          if (yych <= 'r')
+            goto yy510;
+          goto yy523;
+        }
+      }
+    } else {
+      if (yych <= 0xEC) {
+        if (yych <= 0xC1) {
+          if (yych <= 't')
+            goto yy524;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        } else {
+          if (yych <= 0xDF)
+            goto yy514;
+          if (yych <= 0xE0)
+            goto yy515;
+          goto yy516;
+        }
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xED)
+            goto yy517;
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy522:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'Q') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'q') {
+          if (yych <= 'R')
+            goto yy525;
+          goto yy510;
+        } else {
+          if (yych <= 'r')
+            goto yy525;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy523:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 't') {
+      if (yych <= 'C') {
+        if (yych <= '\t') {
+          if (yych <= 0x00)
+            goto yy512;
+          goto yy510;
+        } else {
+          if (yych <= '\n')
+            goto yy512;
+          if (yych <= 'B')
+            goto yy510;
+          goto yy526;
+        }
+      } else {
+        if (yych <= 'b') {
+          if (yych == 'T')
+            goto yy527;
+          goto yy510;
+        } else {
+          if (yych <= 'c')
+            goto yy526;
+          if (yych <= 's')
+            goto yy510;
+          goto yy527;
+        }
+      }
+    } else {
+      if (yych <= 0xEC) {
+        if (yych <= 0xC1) {
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        } else {
+          if (yych <= 0xDF)
+            goto yy514;
+          if (yych <= 0xE0)
+            goto yy515;
+          goto yy516;
+        }
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xED)
+            goto yy517;
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy524:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'D') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'd') {
+          if (yych <= 'E')
+            goto yy528;
+          goto yy510;
+        } else {
+          if (yych <= 'e')
+            goto yy528;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy525:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'D') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'd') {
+          if (yych <= 'E')
+            goto yy529;
+          goto yy510;
+        } else {
+          if (yych <= 'e')
+            goto yy529;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy526:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'Q') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'q') {
+          if (yych <= 'R')
+            goto yy530;
+          goto yy510;
+        } else {
+          if (yych <= 'r')
+            goto yy530;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy527:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'X') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'x') {
+          if (yych <= 'Y')
+            goto yy531;
+          goto yy510;
+        } else {
+          if (yych <= 'y')
+            goto yy531;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy528:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'W') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'w') {
+          if (yych <= 'X')
+            goto yy532;
+          goto yy510;
+        } else {
+          if (yych <= 'x')
+            goto yy532;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy529:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= '>')
+          goto yy533;
+        if (yych <= 0x7F)
+          goto yy510;
+        if (yych <= 0xC1)
+          goto yy512;
+        goto yy514;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych == 0xED)
+          goto yy517;
+        goto yy516;
+      } else {
+        if (yych <= 0xF0)
+          goto yy518;
+        if (yych <= 0xF3)
+          goto yy519;
+        if (yych <= 0xF4)
+          goto yy520;
+        goto yy512;
+      }
+    }
+  yy530:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'H') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'h') {
+          if (yych <= 'I')
+            goto yy535;
+          goto yy510;
+        } else {
+          if (yych <= 'i')
+            goto yy535;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy531:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'K') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'k') {
+          if (yych <= 'L')
+            goto yy525;
+          goto yy510;
+        } else {
+          if (yych <= 'l')
+            goto yy525;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy532:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'S') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 's') {
+          if (yych <= 'T')
+            goto yy536;
+          goto yy510;
+        } else {
+          if (yych <= 't')
+            goto yy536;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy533:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy510;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy534;
+        if (yych <= '<')
+          goto yy513;
+      } else {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        goto yy516;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy517;
+        if (yych <= 0xEF)
+          goto yy516;
+        goto yy518;
+      } else {
+        if (yych <= 0xF3)
+          goto yy519;
+        if (yych <= 0xF4)
+          goto yy520;
+      }
+    }
+  yy534 : { return (bufsize_t)(p - start); }
+  yy535:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'O') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'o') {
+          if (yych <= 'P')
+            goto yy537;
+          goto yy510;
+        } else {
+          if (yych <= 'p')
+            goto yy537;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy536:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= '@') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= '`') {
+          if (yych <= 'A')
+            goto yy538;
+          goto yy510;
+        } else {
+          if (yych <= 'a')
+            goto yy538;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy537:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'S') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 's') {
+          if (yych <= 'T')
+            goto yy529;
+          goto yy510;
+        } else {
+          if (yych <= 't')
+            goto yy529;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy538:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'Q') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'q') {
+          if (yych >= 'S')
+            goto yy510;
+        } else {
+          if (yych <= 'r')
+            goto yy539;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy539:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= 'D') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= 'd') {
+          if (yych >= 'F')
+            goto yy510;
+        } else {
+          if (yych <= 'e')
+            goto yy540;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  yy540:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy513;
+    }
+    if (yych <= 0xC1) {
+      if (yych <= '@') {
+        if (yych <= 0x00)
+          goto yy512;
+        if (yych == '\n')
+          goto yy512;
+        goto yy510;
+      } else {
+        if (yych <= '`') {
+          if (yych <= 'A')
+            goto yy529;
+          goto yy510;
+        } else {
+          if (yych <= 'a')
+            goto yy529;
+          if (yych <= 0x7F)
+            goto yy510;
+          goto yy512;
+        }
+      }
+    } else {
+      if (yych <= 0xED) {
+        if (yych <= 0xDF)
+          goto yy514;
+        if (yych <= 0xE0)
+          goto yy515;
+        if (yych <= 0xEC)
+          goto yy516;
+        goto yy517;
+      } else {
+        if (yych <= 0xF0) {
+          if (yych <= 0xEF)
+            goto yy516;
+          goto yy518;
+        } else {
+          if (yych <= 0xF3)
+            goto yy519;
+          if (yych <= 0xF4)
+            goto yy520;
+          goto yy512;
+        }
+      }
+    }
+  }
+}
+
+// Try to match an HTML block end line of type 2
+bufsize_t _scan_html_block_end_2(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,  64, 64, 64, 64, 64, 64, 64, 64, 64,  0,  64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych <= 0xDF) {
+      if (yych <= ',') {
+        if (yych <= 0x00)
+          goto yy542;
+        if (yych != '\n')
+          goto yy544;
+      } else {
+        if (yych <= '-')
+          goto yy545;
+        if (yych <= 0x7F)
+          goto yy544;
+        if (yych >= 0xC2)
+          goto yy546;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy547;
+        if (yych == 0xED)
+          goto yy549;
+        goto yy548;
+      } else {
+        if (yych <= 0xF0)
+          goto yy550;
+        if (yych <= 0xF3)
+          goto yy551;
+        if (yych <= 0xF4)
+          goto yy552;
+      }
+    }
+  yy542:
+    ++p;
+  yy543 : { return 0; }
+  yy544:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy543;
+      if (yych <= '\t')
+        goto yy554;
+      goto yy543;
+    } else {
+      if (yych <= 0x7F)
+        goto yy554;
+      if (yych <= 0xC1)
+        goto yy543;
+      if (yych <= 0xF4)
+        goto yy554;
+      goto yy543;
+    }
+  yy545:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy564;
+    }
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy543;
+      if (yych <= '\t')
+        goto yy554;
+      goto yy543;
+    } else {
+      if (yych <= 0x7F)
+        goto yy554;
+      if (yych <= 0xC1)
+        goto yy543;
+      if (yych <= 0xF4)
+        goto yy554;
+      goto yy543;
+    }
+  yy546:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy543;
+    if (yych <= 0xBF)
+      goto yy553;
+    goto yy543;
+  yy547:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy543;
+    if (yych <= 0xBF)
+      goto yy557;
+    goto yy543;
+  yy548:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy543;
+    if (yych <= 0xBF)
+      goto yy557;
+    goto yy543;
+  yy549:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy543;
+    if (yych <= 0x9F)
+      goto yy557;
+    goto yy543;
+  yy550:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy543;
+    if (yych <= 0xBF)
+      goto yy559;
+    goto yy543;
+  yy551:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy543;
+    if (yych <= 0xBF)
+      goto yy559;
+    goto yy543;
+  yy552:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy543;
+    if (yych <= 0x8F)
+      goto yy559;
+    goto yy543;
+  yy553:
+    yych = *++p;
+  yy554:
+    if (yybm[0 + yych] & 64) {
+      goto yy553;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy555;
+        if (yych <= '-')
+          goto yy556;
+      } else {
+        if (yych <= 0xDF)
+          goto yy557;
+        if (yych <= 0xE0)
+          goto yy558;
+        goto yy559;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy560;
+        if (yych <= 0xEF)
+          goto yy559;
+        goto yy561;
+      } else {
+        if (yych <= 0xF3)
+          goto yy562;
+        if (yych <= 0xF4)
+          goto yy563;
+      }
+    }
+  yy555:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy543;
+    } else {
+      goto yy566;
+    }
+  yy556:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy553;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy555;
+        if (yych <= '-')
+          goto yy564;
+        goto yy555;
+      } else {
+        if (yych <= 0xDF)
+          goto yy557;
+        if (yych <= 0xE0)
+          goto yy558;
+        goto yy559;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy560;
+        if (yych <= 0xEF)
+          goto yy559;
+        goto yy561;
+      } else {
+        if (yych <= 0xF3)
+          goto yy562;
+        if (yych <= 0xF4)
+          goto yy563;
+        goto yy555;
+      }
+    }
+  yy557:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy555;
+    if (yych <= 0xBF)
+      goto yy553;
+    goto yy555;
+  yy558:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy555;
+    if (yych <= 0xBF)
+      goto yy557;
+    goto yy555;
+  yy559:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy555;
+    if (yych <= 0xBF)
+      goto yy557;
+    goto yy555;
+  yy560:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy555;
+    if (yych <= 0x9F)
+      goto yy557;
+    goto yy555;
+  yy561:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy555;
+    if (yych <= 0xBF)
+      goto yy559;
+    goto yy555;
+  yy562:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy555;
+    if (yych <= 0xBF)
+      goto yy559;
+    goto yy555;
+  yy563:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy555;
+    if (yych <= 0x8F)
+      goto yy559;
+    goto yy555;
+  yy564:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy564;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy555;
+        if (yych == '\n')
+          goto yy555;
+        goto yy553;
+      } else {
+        if (yych <= '>')
+          goto yy565;
+        if (yych <= 0x7F)
+          goto yy553;
+        if (yych <= 0xC1)
+          goto yy555;
+        goto yy557;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy558;
+        if (yych == 0xED)
+          goto yy560;
+        goto yy559;
+      } else {
+        if (yych <= 0xF0)
+          goto yy561;
+        if (yych <= 0xF3)
+          goto yy562;
+        if (yych <= 0xF4)
+          goto yy563;
+        goto yy555;
+      }
+    }
+  yy565:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy553;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy566;
+        if (yych <= '-')
+          goto yy556;
+      } else {
+        if (yych <= 0xDF)
+          goto yy557;
+        if (yych <= 0xE0)
+          goto yy558;
+        goto yy559;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy560;
+        if (yych <= 0xEF)
+          goto yy559;
+        goto yy561;
+      } else {
+        if (yych <= 0xF3)
+          goto yy562;
+        if (yych <= 0xF4)
+          goto yy563;
+      }
+    }
+  yy566 : { return (bufsize_t)(p - start); }
+  }
+}
+
+// Try to match an HTML block end line of type 3
+bufsize_t _scan_html_block_end_3(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,  64, 64, 64, 64, 64, 64, 64, 64, 64,  0,  64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych <= 0xDF) {
+      if (yych <= '>') {
+        if (yych <= 0x00)
+          goto yy568;
+        if (yych != '\n')
+          goto yy570;
+      } else {
+        if (yych <= '?')
+          goto yy571;
+        if (yych <= 0x7F)
+          goto yy570;
+        if (yych >= 0xC2)
+          goto yy572;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy573;
+        if (yych == 0xED)
+          goto yy575;
+        goto yy574;
+      } else {
+        if (yych <= 0xF0)
+          goto yy576;
+        if (yych <= 0xF3)
+          goto yy577;
+        if (yych <= 0xF4)
+          goto yy578;
+      }
+    }
+  yy568:
+    ++p;
+  yy569 : { return 0; }
+  yy570:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy569;
+      if (yych <= '\t')
+        goto yy580;
+      goto yy569;
+    } else {
+      if (yych <= 0x7F)
+        goto yy580;
+      if (yych <= 0xC1)
+        goto yy569;
+      if (yych <= 0xF4)
+        goto yy580;
+      goto yy569;
+    }
+  yy571:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '=') {
+      if (yych <= 0x00)
+        goto yy569;
+      if (yych == '\n')
+        goto yy569;
+      goto yy580;
+    } else {
+      if (yych <= 0x7F) {
+        if (yych <= '>')
+          goto yy590;
+        goto yy580;
+      } else {
+        if (yych <= 0xC1)
+          goto yy569;
+        if (yych <= 0xF4)
+          goto yy580;
+        goto yy569;
+      }
+    }
+  yy572:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy569;
+    if (yych <= 0xBF)
+      goto yy579;
+    goto yy569;
+  yy573:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy569;
+    if (yych <= 0xBF)
+      goto yy583;
+    goto yy569;
+  yy574:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy569;
+    if (yych <= 0xBF)
+      goto yy583;
+    goto yy569;
+  yy575:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy569;
+    if (yych <= 0x9F)
+      goto yy583;
+    goto yy569;
+  yy576:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy569;
+    if (yych <= 0xBF)
+      goto yy585;
+    goto yy569;
+  yy577:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy569;
+    if (yych <= 0xBF)
+      goto yy585;
+    goto yy569;
+  yy578:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy569;
+    if (yych <= 0x8F)
+      goto yy585;
+    goto yy569;
+  yy579:
+    yych = *++p;
+  yy580:
+    if (yybm[0 + yych] & 64) {
+      goto yy579;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy581;
+        if (yych <= '?')
+          goto yy582;
+      } else {
+        if (yych <= 0xDF)
+          goto yy583;
+        if (yych <= 0xE0)
+          goto yy584;
+        goto yy585;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy586;
+        if (yych <= 0xEF)
+          goto yy585;
+        goto yy587;
+      } else {
+        if (yych <= 0xF3)
+          goto yy588;
+        if (yych <= 0xF4)
+          goto yy589;
+      }
+    }
+  yy581:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy569;
+    } else {
+      goto yy591;
+    }
+  yy582:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy582;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy581;
+        if (yych == '\n')
+          goto yy581;
+        goto yy579;
+      } else {
+        if (yych <= '>')
+          goto yy590;
+        if (yych <= 0x7F)
+          goto yy579;
+        if (yych <= 0xC1)
+          goto yy581;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy584;
+        if (yych == 0xED)
+          goto yy586;
+        goto yy585;
+      } else {
+        if (yych <= 0xF0)
+          goto yy587;
+        if (yych <= 0xF3)
+          goto yy588;
+        if (yych <= 0xF4)
+          goto yy589;
+        goto yy581;
+      }
+    }
+  yy583:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy581;
+    if (yych <= 0xBF)
+      goto yy579;
+    goto yy581;
+  yy584:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy581;
+    if (yych <= 0xBF)
+      goto yy583;
+    goto yy581;
+  yy585:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy581;
+    if (yych <= 0xBF)
+      goto yy583;
+    goto yy581;
+  yy586:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy581;
+    if (yych <= 0x9F)
+      goto yy583;
+    goto yy581;
+  yy587:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy581;
+    if (yych <= 0xBF)
+      goto yy585;
+    goto yy581;
+  yy588:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy581;
+    if (yych <= 0xBF)
+      goto yy585;
+    goto yy581;
+  yy589:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy581;
+    if (yych <= 0x8F)
+      goto yy585;
+    goto yy581;
+  yy590:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy579;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy591;
+        if (yych <= '?')
+          goto yy582;
+      } else {
+        if (yych <= 0xDF)
+          goto yy583;
+        if (yych <= 0xE0)
+          goto yy584;
+        goto yy585;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy586;
+        if (yych <= 0xEF)
+          goto yy585;
+        goto yy587;
+      } else {
+        if (yych <= 0xF3)
+          goto yy588;
+        if (yych <= 0xF4)
+          goto yy589;
+      }
+    }
+  yy591 : { return (bufsize_t)(p - start); }
+  }
+}
+
+// Try to match an HTML block end line of type 4
+bufsize_t _scan_html_block_end_4(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   128, 128, 128, 128, 128, 128, 128, 128, 128, 0,   128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 64,  128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,
+        128, 128, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yybm[0 + yych] & 64) {
+      goto yy596;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\n') {
+        if (yych <= 0x00)
+          goto yy593;
+        if (yych <= '\t')
+          goto yy595;
+      } else {
+        if (yych <= 0x7F)
+          goto yy595;
+        if (yych <= 0xC1)
+          goto yy593;
+        if (yych <= 0xDF)
+          goto yy598;
+        goto yy599;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy601;
+        goto yy600;
+      } else {
+        if (yych <= 0xF0)
+          goto yy602;
+        if (yych <= 0xF3)
+          goto yy603;
+        if (yych <= 0xF4)
+          goto yy604;
+      }
+    }
+  yy593:
+    ++p;
+  yy594 : { return 0; }
+  yy595:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy594;
+      if (yych <= '\t')
+        goto yy606;
+      goto yy594;
+    } else {
+      if (yych <= 0x7F)
+        goto yy606;
+      if (yych <= 0xC1)
+        goto yy594;
+      if (yych <= 0xF4)
+        goto yy606;
+      goto yy594;
+    }
+  yy596:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy605;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy597;
+        if (yych <= '>')
+          goto yy596;
+      } else {
+        if (yych <= 0xDF)
+          goto yy608;
+        if (yych <= 0xE0)
+          goto yy609;
+        goto yy610;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy611;
+        if (yych <= 0xEF)
+          goto yy610;
+        goto yy612;
+      } else {
+        if (yych <= 0xF3)
+          goto yy613;
+        if (yych <= 0xF4)
+          goto yy614;
+      }
+    }
+  yy597 : { return (bufsize_t)(p - start); }
+  yy598:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy594;
+    if (yych <= 0xBF)
+      goto yy605;
+    goto yy594;
+  yy599:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy594;
+    if (yych <= 0xBF)
+      goto yy608;
+    goto yy594;
+  yy600:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy594;
+    if (yych <= 0xBF)
+      goto yy608;
+    goto yy594;
+  yy601:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy594;
+    if (yych <= 0x9F)
+      goto yy608;
+    goto yy594;
+  yy602:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy594;
+    if (yych <= 0xBF)
+      goto yy610;
+    goto yy594;
+  yy603:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy594;
+    if (yych <= 0xBF)
+      goto yy610;
+    goto yy594;
+  yy604:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy594;
+    if (yych <= 0x8F)
+      goto yy610;
+    goto yy594;
+  yy605:
+    yych = *++p;
+  yy606:
+    if (yybm[0 + yych] & 128) {
+      goto yy605;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy607;
+        if (yych <= '>')
+          goto yy596;
+      } else {
+        if (yych <= 0xDF)
+          goto yy608;
+        if (yych <= 0xE0)
+          goto yy609;
+        goto yy610;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy611;
+        if (yych <= 0xEF)
+          goto yy610;
+        goto yy612;
+      } else {
+        if (yych <= 0xF3)
+          goto yy613;
+        if (yych <= 0xF4)
+          goto yy614;
+      }
+    }
+  yy607:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy594;
+    } else {
+      goto yy597;
+    }
+  yy608:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy607;
+    if (yych <= 0xBF)
+      goto yy605;
+    goto yy607;
+  yy609:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy607;
+    if (yych <= 0xBF)
+      goto yy608;
+    goto yy607;
+  yy610:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy607;
+    if (yych <= 0xBF)
+      goto yy608;
+    goto yy607;
+  yy611:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy607;
+    if (yych <= 0x9F)
+      goto yy608;
+    goto yy607;
+  yy612:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy607;
+    if (yych <= 0xBF)
+      goto yy610;
+    goto yy607;
+  yy613:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy607;
+    if (yych <= 0xBF)
+      goto yy610;
+    goto yy607;
+  yy614:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy607;
+    if (yych <= 0x8F)
+      goto yy610;
+    goto yy607;
+  }
+}
+
+// Try to match an HTML block end line of type 5
+bufsize_t _scan_html_block_end_5(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,  64, 64, 64,  64, 64, 64, 64, 64, 64, 0,  64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 128, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 64, 64,  64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64, 64,
+        64, 64, 0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,   0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
+        0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych <= 0xDF) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy616;
+        if (yych != '\n')
+          goto yy618;
+      } else {
+        if (yych <= ']')
+          goto yy619;
+        if (yych <= 0x7F)
+          goto yy618;
+        if (yych >= 0xC2)
+          goto yy620;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy621;
+        if (yych == 0xED)
+          goto yy623;
+        goto yy622;
+      } else {
+        if (yych <= 0xF0)
+          goto yy624;
+        if (yych <= 0xF3)
+          goto yy625;
+        if (yych <= 0xF4)
+          goto yy626;
+      }
+    }
+  yy616:
+    ++p;
+  yy617 : { return 0; }
+  yy618:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy617;
+      if (yych <= '\t')
+        goto yy628;
+      goto yy617;
+    } else {
+      if (yych <= 0x7F)
+        goto yy628;
+      if (yych <= 0xC1)
+        goto yy617;
+      if (yych <= 0xF4)
+        goto yy628;
+      goto yy617;
+    }
+  yy619:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy638;
+    }
+    if (yych <= '\n') {
+      if (yych <= 0x00)
+        goto yy617;
+      if (yych <= '\t')
+        goto yy628;
+      goto yy617;
+    } else {
+      if (yych <= 0x7F)
+        goto yy628;
+      if (yych <= 0xC1)
+        goto yy617;
+      if (yych <= 0xF4)
+        goto yy628;
+      goto yy617;
+    }
+  yy620:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy617;
+    if (yych <= 0xBF)
+      goto yy627;
+    goto yy617;
+  yy621:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x9F)
+      goto yy617;
+    if (yych <= 0xBF)
+      goto yy631;
+    goto yy617;
+  yy622:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy617;
+    if (yych <= 0xBF)
+      goto yy631;
+    goto yy617;
+  yy623:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy617;
+    if (yych <= 0x9F)
+      goto yy631;
+    goto yy617;
+  yy624:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x8F)
+      goto yy617;
+    if (yych <= 0xBF)
+      goto yy633;
+    goto yy617;
+  yy625:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy617;
+    if (yych <= 0xBF)
+      goto yy633;
+    goto yy617;
+  yy626:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x7F)
+      goto yy617;
+    if (yych <= 0x8F)
+      goto yy633;
+    goto yy617;
+  yy627:
+    yych = *++p;
+  yy628:
+    if (yybm[0 + yych] & 64) {
+      goto yy627;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy629;
+        if (yych <= ']')
+          goto yy630;
+      } else {
+        if (yych <= 0xDF)
+          goto yy631;
+        if (yych <= 0xE0)
+          goto yy632;
+        goto yy633;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy634;
+        if (yych <= 0xEF)
+          goto yy633;
+        goto yy635;
+      } else {
+        if (yych <= 0xF3)
+          goto yy636;
+        if (yych <= 0xF4)
+          goto yy637;
+      }
+    }
+  yy629:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy617;
+    } else {
+      goto yy640;
+    }
+  yy630:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy627;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy629;
+        if (yych <= ']')
+          goto yy638;
+        goto yy629;
+      } else {
+        if (yych <= 0xDF)
+          goto yy631;
+        if (yych <= 0xE0)
+          goto yy632;
+        goto yy633;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy634;
+        if (yych <= 0xEF)
+          goto yy633;
+        goto yy635;
+      } else {
+        if (yych <= 0xF3)
+          goto yy636;
+        if (yych <= 0xF4)
+          goto yy637;
+        goto yy629;
+      }
+    }
+  yy631:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy629;
+    if (yych <= 0xBF)
+      goto yy627;
+    goto yy629;
+  yy632:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy629;
+    if (yych <= 0xBF)
+      goto yy631;
+    goto yy629;
+  yy633:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy629;
+    if (yych <= 0xBF)
+      goto yy631;
+    goto yy629;
+  yy634:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy629;
+    if (yych <= 0x9F)
+      goto yy631;
+    goto yy629;
+  yy635:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy629;
+    if (yych <= 0xBF)
+      goto yy633;
+    goto yy629;
+  yy636:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy629;
+    if (yych <= 0xBF)
+      goto yy633;
+    goto yy629;
+  yy637:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy629;
+    if (yych <= 0x8F)
+      goto yy633;
+    goto yy629;
+  yy638:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy638;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '=') {
+        if (yych <= 0x00)
+          goto yy629;
+        if (yych == '\n')
+          goto yy629;
+        goto yy627;
+      } else {
+        if (yych <= '>')
+          goto yy639;
+        if (yych <= 0x7F)
+          goto yy627;
+        if (yych <= 0xC1)
+          goto yy629;
+        goto yy631;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy632;
+        if (yych == 0xED)
+          goto yy634;
+        goto yy633;
+      } else {
+        if (yych <= 0xF0)
+          goto yy635;
+        if (yych <= 0xF3)
+          goto yy636;
+        if (yych <= 0xF4)
+          goto yy637;
+        goto yy629;
+      }
+    }
+  yy639:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy627;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= '\n')
+          goto yy640;
+        if (yych <= ']')
+          goto yy630;
+      } else {
+        if (yych <= 0xDF)
+          goto yy631;
+        if (yych <= 0xE0)
+          goto yy632;
+        goto yy633;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy634;
+        if (yych <= 0xEF)
+          goto yy633;
+        goto yy635;
+      } else {
+        if (yych <= 0xF3)
+          goto yy636;
+        if (yych <= 0xF4)
+          goto yy637;
+      }
+    }
+  yy640 : { return (bufsize_t)(p - start); }
+  }
+}
+
+// Try to match a link title (in single quotes, in double quotes, or
+// in parentheses), returning number of chars matched.  Allow one
+// level of internal nesting (quotes within quotes).
+bufsize_t _scan_link_title(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    static const unsigned char yybm[] = {
+        0,   208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 192, 208, 208, 208, 208, 144, 80,  80,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 32,  208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208, 208,
+        208, 208, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych <= '&') {
+      if (yych == '"')
+        goto yy643;
+    } else {
+      if (yych <= '\'')
+        goto yy644;
+      if (yych <= '(')
+        goto yy645;
+    }
+    ++p;
+  yy642 : { return 0; }
+  yy643:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x00)
+      goto yy642;
+    if (yych <= 0x7F)
+      goto yy647;
+    if (yych <= 0xC1)
+      goto yy642;
+    if (yych <= 0xF4)
+      goto yy647;
+    goto yy642;
+  yy644:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= 0x00)
+      goto yy642;
+    if (yych <= 0x7F)
+      goto yy660;
+    if (yych <= 0xC1)
+      goto yy642;
+    if (yych <= 0xF4)
+      goto yy660;
+    goto yy642;
+  yy645:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych <= '(') {
+      if (yych <= 0x00)
+        goto yy642;
+      if (yych <= '\'')
+        goto yy672;
+      goto yy642;
+    } else {
+      if (yych <= 0x7F)
+        goto yy672;
+      if (yych <= 0xC1)
+        goto yy642;
+      if (yych <= 0xF4)
+        goto yy672;
+      goto yy642;
+    }
+  yy646:
+    yych = *++p;
+  yy647:
+    if (yybm[0 + yych] & 16) {
+      goto yy646;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy648;
+        if (yych <= '"')
+          goto yy649;
+        goto yy651;
+      } else {
+        if (yych <= 0xC1)
+          goto yy648;
+        if (yych <= 0xDF)
+          goto yy652;
+        goto yy653;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy655;
+        goto yy654;
+      } else {
+        if (yych <= 0xF0)
+          goto yy656;
+        if (yych <= 0xF3)
+          goto yy657;
+        if (yych <= 0xF4)
+          goto yy658;
+      }
+    }
+  yy648:
+    p = marker;
+    if (yyaccept <= 1) {
+      if (yyaccept == 0) {
+        goto yy642;
+      } else {
+        goto yy650;
+      }
+    } else {
+      if (yyaccept == 2) {
+        goto yy662;
+      } else {
+        goto yy674;
+      }
+    }
+  yy649:
+    ++p;
+  yy650 : { return (bufsize_t)(p - start); }
+  yy651:
+    yych = *++p;
+    if (yybm[0 + yych] & 16) {
+      goto yy646;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy648;
+        if (yych <= '"')
+          goto yy683;
+        goto yy651;
+      } else {
+        if (yych <= 0xC1)
+          goto yy648;
+        if (yych >= 0xE0)
+          goto yy653;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy655;
+        goto yy654;
+      } else {
+        if (yych <= 0xF0)
+          goto yy656;
+        if (yych <= 0xF3)
+          goto yy657;
+        if (yych <= 0xF4)
+          goto yy658;
+        goto yy648;
+      }
+    }
+  yy652:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy646;
+    goto yy648;
+  yy653:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy652;
+    goto yy648;
+  yy654:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy652;
+    goto yy648;
+  yy655:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x9F)
+      goto yy652;
+    goto yy648;
+  yy656:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy654;
+    goto yy648;
+  yy657:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy654;
+    goto yy648;
+  yy658:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x8F)
+      goto yy654;
+    goto yy648;
+  yy659:
+    yych = *++p;
+  yy660:
+    if (yybm[0 + yych] & 64) {
+      goto yy659;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy648;
+        if (yych >= '(')
+          goto yy663;
+      } else {
+        if (yych <= 0xC1)
+          goto yy648;
+        if (yych <= 0xDF)
+          goto yy664;
+        goto yy665;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy667;
+        goto yy666;
+      } else {
+        if (yych <= 0xF0)
+          goto yy668;
+        if (yych <= 0xF3)
+          goto yy669;
+        if (yych <= 0xF4)
+          goto yy670;
+        goto yy648;
+      }
+    }
+  yy661:
+    ++p;
+  yy662 : { return (bufsize_t)(p - start); }
+  yy663:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy659;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy648;
+        if (yych <= '\'')
+          goto yy684;
+        goto yy663;
+      } else {
+        if (yych <= 0xC1)
+          goto yy648;
+        if (yych >= 0xE0)
+          goto yy665;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy667;
+        goto yy666;
+      } else {
+        if (yych <= 0xF0)
+          goto yy668;
+        if (yych <= 0xF3)
+          goto yy669;
+        if (yych <= 0xF4)
+          goto yy670;
+        goto yy648;
+      }
+    }
+  yy664:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy659;
+    goto yy648;
+  yy665:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy664;
+    goto yy648;
+  yy666:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy664;
+    goto yy648;
+  yy667:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x9F)
+      goto yy664;
+    goto yy648;
+  yy668:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy666;
+    goto yy648;
+  yy669:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy666;
+    goto yy648;
+  yy670:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x8F)
+      goto yy666;
+    goto yy648;
+  yy671:
+    yych = *++p;
+  yy672:
+    if (yybm[0 + yych] & 128) {
+      goto yy671;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= '(')
+          goto yy648;
+        if (yych >= '*')
+          goto yy675;
+      } else {
+        if (yych <= 0xC1)
+          goto yy648;
+        if (yych <= 0xDF)
+          goto yy676;
+        goto yy677;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy679;
+        goto yy678;
+      } else {
+        if (yych <= 0xF0)
+          goto yy680;
+        if (yych <= 0xF3)
+          goto yy681;
+        if (yych <= 0xF4)
+          goto yy682;
+        goto yy648;
+      }
+    }
+  yy673:
+    ++p;
+  yy674 : { return (bufsize_t)(p - start); }
+  yy675:
+    yych = *++p;
+    if (yych <= 0xDF) {
+      if (yych <= '[') {
+        if (yych <= 0x00)
+          goto yy648;
+        if (yych == ')')
+          goto yy685;
+        goto yy671;
+      } else {
+        if (yych <= '\\')
+          goto yy675;
+        if (yych <= 0x7F)
+          goto yy671;
+        if (yych <= 0xC1)
+          goto yy648;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0)
+          goto yy677;
+        if (yych == 0xED)
+          goto yy679;
+        goto yy678;
+      } else {
+        if (yych <= 0xF0)
+          goto yy680;
+        if (yych <= 0xF3)
+          goto yy681;
+        if (yych <= 0xF4)
+          goto yy682;
+        goto yy648;
+      }
+    }
+  yy676:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy671;
+    goto yy648;
+  yy677:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy676;
+    goto yy648;
+  yy678:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy676;
+    goto yy648;
+  yy679:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x9F)
+      goto yy676;
+    goto yy648;
+  yy680:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy678;
+    goto yy648;
+  yy681:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0xBF)
+      goto yy678;
+    goto yy648;
+  yy682:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy648;
+    if (yych <= 0x8F)
+      goto yy678;
+    goto yy648;
+  yy683:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 16) {
+      goto yy646;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy650;
+        if (yych <= '"')
+          goto yy649;
+        goto yy651;
+      } else {
+        if (yych <= 0xC1)
+          goto yy650;
+        if (yych <= 0xDF)
+          goto yy652;
+        goto yy653;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy655;
+        goto yy654;
+      } else {
+        if (yych <= 0xF0)
+          goto yy656;
+        if (yych <= 0xF3)
+          goto yy657;
+        if (yych <= 0xF4)
+          goto yy658;
+        goto yy650;
+      }
+    }
+  yy684:
+    yyaccept = 2;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy659;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= 0x00)
+          goto yy662;
+        if (yych <= '\'')
+          goto yy661;
+        goto yy663;
+      } else {
+        if (yych <= 0xC1)
+          goto yy662;
+        if (yych <= 0xDF)
+          goto yy664;
+        goto yy665;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy667;
+        goto yy666;
+      } else {
+        if (yych <= 0xF0)
+          goto yy668;
+        if (yych <= 0xF3)
+          goto yy669;
+        if (yych <= 0xF4)
+          goto yy670;
+        goto yy662;
+      }
+    }
+  yy685:
+    yyaccept = 3;
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy671;
+    }
+    if (yych <= 0xE0) {
+      if (yych <= '\\') {
+        if (yych <= '(')
+          goto yy674;
+        if (yych <= ')')
+          goto yy673;
+        goto yy675;
+      } else {
+        if (yych <= 0xC1)
+          goto yy674;
+        if (yych <= 0xDF)
+          goto yy676;
+        goto yy677;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych == 0xED)
+          goto yy679;
+        goto yy678;
+      } else {
+        if (yych <= 0xF0)
+          goto yy680;
+        if (yych <= 0xF3)
+          goto yy681;
+        if (yych <= 0xF4)
+          goto yy682;
+        goto yy674;
+      }
+    }
+  }
+}
+
+// Match space characters, including newlines.
+bufsize_t _scan_spacechars(const unsigned char *p) {
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 128, 128, 128, 128, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   128, 0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0,   0,   0,   0, 0,
+    };
+    yych = *p;
+    if (yybm[0 + yych] & 128) {
+      goto yy687;
+    }
+    ++p;
+    { return 0; }
+  yy687:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy687;
+    }
+    { return (bufsize_t)(p - start); }
+  }
+}
+
+// Match ATX heading start.
+bufsize_t _scan_atx_heading_start(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0,   0,   0, 0, 0,
+    };
+    yych = *p;
+    if (yych == '#')
+      goto yy690;
+    ++p;
+  yy689 : { return 0; }
+  yy690:
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy689;
+      if (yych <= '\n')
+        goto yy693;
+      goto yy689;
+    } else {
+      if (yych <= '\r')
+        goto yy693;
+      if (yych == '#')
+        goto yy694;
+      goto yy689;
+    }
+  yy691:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+  yy692 : { return (bufsize_t)(p - start); }
+  yy693:
+    ++p;
+    goto yy692;
+  yy694:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy695;
+      if (yych <= '\n')
+        goto yy693;
+    } else {
+      if (yych <= '\r')
+        goto yy693;
+      if (yych == '#')
+        goto yy696;
+    }
+  yy695:
+    p = marker;
+    goto yy689;
+  yy696:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy695;
+      if (yych <= '\n')
+        goto yy693;
+      goto yy695;
+    } else {
+      if (yych <= '\r')
+        goto yy693;
+      if (yych != '#')
+        goto yy695;
+    }
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy695;
+      if (yych <= '\n')
+        goto yy693;
+      goto yy695;
+    } else {
+      if (yych <= '\r')
+        goto yy693;
+      if (yych != '#')
+        goto yy695;
+    }
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy695;
+      if (yych <= '\n')
+        goto yy693;
+      goto yy695;
+    } else {
+      if (yych <= '\r')
+        goto yy693;
+      if (yych != '#')
+        goto yy695;
+    }
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy691;
+    }
+    if (yych <= 0x08)
+      goto yy695;
+    if (yych <= '\n')
+      goto yy693;
+    if (yych == '\r')
+      goto yy693;
+    goto yy695;
+  }
+}
+
+// Match setext heading line.  Return 1 for level-1 heading,
+// 2 for level-2, 0 for no match.
+bufsize_t _scan_setext_heading_line(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 32, 0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  32, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 64, 0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 128, 0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0,
+        0, 0,  0, 0, 0, 0, 0, 0, 0, 0,  0,  0, 0, 0,
+    };
+    yych = *p;
+    if (yych == '-')
+      goto yy699;
+    if (yych == '=')
+      goto yy700;
+    ++p;
+  yy698 : { return 0; }
+  yy699:
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 64) {
+      goto yy705;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy698;
+      if (yych <= '\n')
+        goto yy702;
+      goto yy698;
+    } else {
+      if (yych <= '\r')
+        goto yy702;
+      if (yych == ' ')
+        goto yy702;
+      goto yy698;
+    }
+  yy700:
+    yych = *(marker = ++p);
+    if (yybm[0 + yych] & 128) {
+      goto yy709;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy698;
+      if (yych <= '\n')
+        goto yy707;
+      goto yy698;
+    } else {
+      if (yych <= '\r')
+        goto yy707;
+      if (yych == ' ')
+        goto yy707;
+      goto yy698;
+    }
+  yy701:
+    yych = *++p;
+  yy702:
+    if (yybm[0 + yych] & 32) {
+      goto yy701;
+    }
+    if (yych <= 0x08)
+      goto yy703;
+    if (yych <= '\n')
+      goto yy704;
+    if (yych == '\r')
+      goto yy704;
+  yy703:
+    p = marker;
+    goto yy698;
+  yy704:
+    ++p;
+    { return 2; }
+  yy705:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy701;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy703;
+      if (yych <= '\n')
+        goto yy704;
+      goto yy703;
+    } else {
+      if (yych <= '\r')
+        goto yy704;
+      if (yych == '-')
+        goto yy705;
+      goto yy703;
+    }
+  yy706:
+    yych = *++p;
+  yy707:
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy703;
+      if (yych <= '\t')
+        goto yy706;
+      if (yych >= '\v')
+        goto yy703;
+    } else {
+      if (yych <= '\r')
+        goto yy708;
+      if (yych == ' ')
+        goto yy706;
+      goto yy703;
+    }
+  yy708:
+    ++p;
+    { return 1; }
+  yy709:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy709;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy703;
+      if (yych <= '\t')
+        goto yy706;
+      if (yych <= '\n')
+        goto yy708;
+      goto yy703;
+    } else {
+      if (yych <= '\r')
+        goto yy708;
+      if (yych == ' ')
+        goto yy706;
+      goto yy703;
+    }
+  }
+}
+
+// Scan an opening code fence.
+bufsize_t _scan_open_code_fence(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   192, 192, 192, 192, 192, 192, 192, 192, 192, 0,   192, 192, 0,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 144, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192, 192,
+        224, 192, 0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,   0,
+        0,   0,   0,   0,
+    };
+    yych = *p;
+    if (yych == '`')
+      goto yy712;
+    if (yych == '~')
+      goto yy713;
+    ++p;
+  yy711 : { return 0; }
+  yy712:
+    yych = *(marker = ++p);
+    if (yych == '`')
+      goto yy714;
+    goto yy711;
+  yy713:
+    yych = *(marker = ++p);
+    if (yych == '~')
+      goto yy716;
+    goto yy711;
+  yy714:
+    yych = *++p;
+    if (yybm[0 + yych] & 16) {
+      goto yy717;
+    }
+  yy715:
+    p = marker;
+    goto yy711;
+  yy716:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy718;
+    }
+    goto yy715;
+  yy717:
+    yych = *++p;
+    if (yybm[0 + yych] & 16) {
+      goto yy717;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '\f') {
+        if (yych <= 0x00)
+          goto yy715;
+        if (yych == '\n') {
+          marker = p;
+          goto yy720;
+        }
+        marker = p;
+        goto yy719;
+      } else {
+        if (yych <= '\r') {
+          marker = p;
+          goto yy720;
+        }
+        if (yych <= 0x7F) {
+          marker = p;
+          goto yy719;
+        }
+        if (yych <= 0xC1)
+          goto yy715;
+        marker = p;
+        goto yy721;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0) {
+          marker = p;
+          goto yy722;
+        }
+        if (yych == 0xED) {
+          marker = p;
+          goto yy724;
+        }
+        marker = p;
+        goto yy723;
+      } else {
+        if (yych <= 0xF0) {
+          marker = p;
+          goto yy725;
+        }
+        if (yych <= 0xF3) {
+          marker = p;
+          goto yy726;
+        }
+        if (yych <= 0xF4) {
+          marker = p;
+          goto yy727;
+        }
+        goto yy715;
+      }
+    }
+  yy718:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy718;
+    }
+    if (yych <= 0xDF) {
+      if (yych <= '\f') {
+        if (yych <= 0x00)
+          goto yy715;
+        if (yych == '\n') {
+          marker = p;
+          goto yy729;
+        }
+        marker = p;
+        goto yy728;
+      } else {
+        if (yych <= '\r') {
+          marker = p;
+          goto yy729;
+        }
+        if (yych <= 0x7F) {
+          marker = p;
+          goto yy728;
+        }
+        if (yych <= 0xC1)
+          goto yy715;
+        marker = p;
+        goto yy730;
+      }
+    } else {
+      if (yych <= 0xEF) {
+        if (yych <= 0xE0) {
+          marker = p;
+          goto yy731;
+        }
+        if (yych == 0xED) {
+          marker = p;
+          goto yy733;
+        }
+        marker = p;
+        goto yy732;
+      } else {
+        if (yych <= 0xF0) {
+          marker = p;
+          goto yy734;
+        }
+        if (yych <= 0xF3) {
+          marker = p;
+          goto yy735;
+        }
+        if (yych <= 0xF4) {
+          marker = p;
+          goto yy736;
+        }
+        goto yy715;
+      }
+    }
+  yy719:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy719;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy715;
+        if (yych >= 0x0E)
+          goto yy715;
+      } else {
+        if (yych <= 0xDF)
+          goto yy721;
+        if (yych <= 0xE0)
+          goto yy722;
+        goto yy723;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy724;
+        if (yych <= 0xEF)
+          goto yy723;
+        goto yy725;
+      } else {
+        if (yych <= 0xF3)
+          goto yy726;
+        if (yych <= 0xF4)
+          goto yy727;
+        goto yy715;
+      }
+    }
+  yy720:
+    ++p;
+    p = marker;
+    { return (bufsize_t)(p - start); }
+  yy721:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy719;
+    goto yy715;
+  yy722:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy721;
+    goto yy715;
+  yy723:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy721;
+    goto yy715;
+  yy724:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0x9F)
+      goto yy721;
+    goto yy715;
+  yy725:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy723;
+    goto yy715;
+  yy726:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy723;
+    goto yy715;
+  yy727:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0x8F)
+      goto yy723;
+    goto yy715;
+  yy728:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy728;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= 0x00)
+          goto yy715;
+        if (yych >= 0x0E)
+          goto yy715;
+      } else {
+        if (yych <= 0xDF)
+          goto yy730;
+        if (yych <= 0xE0)
+          goto yy731;
+        goto yy732;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy733;
+        if (yych <= 0xEF)
+          goto yy732;
+        goto yy734;
+      } else {
+        if (yych <= 0xF3)
+          goto yy735;
+        if (yych <= 0xF4)
+          goto yy736;
+        goto yy715;
+      }
+    }
+  yy729:
+    ++p;
+    p = marker;
+    { return (bufsize_t)(p - start); }
+  yy730:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy728;
+    goto yy715;
+  yy731:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy730;
+    goto yy715;
+  yy732:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy730;
+    goto yy715;
+  yy733:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0x9F)
+      goto yy730;
+    goto yy715;
+  yy734:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy732;
+    goto yy715;
+  yy735:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0xBF)
+      goto yy732;
+    goto yy715;
+  yy736:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy715;
+    if (yych <= 0x8F)
+      goto yy732;
+    goto yy715;
+  }
+}
+
+// Scan a closing code fence with length at least len.
+bufsize_t _scan_close_code_fence(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  128, 0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   128, 0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 32, 0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0, 0, 0, 0,  0, 0, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0,  0,   0,   0, 0, 0,
+    };
+    yych = *p;
+    if (yych == '`')
+      goto yy739;
+    if (yych == '~')
+      goto yy740;
+    ++p;
+  yy738 : { return 0; }
+  yy739:
+    yych = *(marker = ++p);
+    if (yych == '`')
+      goto yy741;
+    goto yy738;
+  yy740:
+    yych = *(marker = ++p);
+    if (yych == '~')
+      goto yy743;
+    goto yy738;
+  yy741:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy744;
+    }
+  yy742:
+    p = marker;
+    goto yy738;
+  yy743:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy745;
+    }
+    goto yy742;
+  yy744:
+    yych = *++p;
+    if (yybm[0 + yych] & 32) {
+      goto yy744;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy742;
+      if (yych <= '\t') {
+        marker = p;
+        goto yy746;
+      }
+      if (yych <= '\n') {
+        marker = p;
+        goto yy747;
+      }
+      goto yy742;
+    } else {
+      if (yych <= '\r') {
+        marker = p;
+        goto yy747;
+      }
+      if (yych == ' ') {
+        marker = p;
+        goto yy746;
+      }
+      goto yy742;
+    }
+  yy745:
+    yych = *++p;
+    if (yybm[0 + yych] & 64) {
+      goto yy745;
+    }
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy742;
+      if (yych <= '\t') {
+        marker = p;
+        goto yy748;
+      }
+      if (yych <= '\n') {
+        marker = p;
+        goto yy749;
+      }
+      goto yy742;
+    } else {
+      if (yych <= '\r') {
+        marker = p;
+        goto yy749;
+      }
+      if (yych == ' ') {
+        marker = p;
+        goto yy748;
+      }
+      goto yy742;
+    }
+  yy746:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy746;
+    }
+    if (yych <= 0x08)
+      goto yy742;
+    if (yych <= '\n')
+      goto yy747;
+    if (yych != '\r')
+      goto yy742;
+  yy747:
+    ++p;
+    p = marker;
+    { return (bufsize_t)(p - start); }
+  yy748:
+    yych = *++p;
+    if (yych <= '\f') {
+      if (yych <= 0x08)
+        goto yy742;
+      if (yych <= '\t')
+        goto yy748;
+      if (yych >= '\v')
+        goto yy742;
+    } else {
+      if (yych <= '\r')
+        goto yy749;
+      if (yych == ' ')
+        goto yy748;
+      goto yy742;
+    }
+  yy749:
+    ++p;
+    p = marker;
+    { return (bufsize_t)(p - start); }
+  }
+}
+
+// Scans an entity.
+// Returns number of chars matched.
+bufsize_t _scan_entity(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    yych = *p;
+    if (yych == '&')
+      goto yy752;
+    ++p;
+  yy751 : { return 0; }
+  yy752:
+    yych = *(marker = ++p);
+    if (yych <= '@') {
+      if (yych != '#')
+        goto yy751;
+    } else {
+      if (yych <= 'Z')
+        goto yy754;
+      if (yych <= '`')
+        goto yy751;
+      if (yych <= 'z')
+        goto yy754;
+      goto yy751;
+    }
+    yych = *++p;
+    if (yych <= 'W') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy755;
+    } else {
+      if (yych <= 'X')
+        goto yy756;
+      if (yych == 'x')
+        goto yy756;
+    }
+  yy753:
+    p = marker;
+    goto yy751;
+  yy754:
+    yych = *++p;
+    if (yych <= '@') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy757;
+      goto yy753;
+    } else {
+      if (yych <= 'Z')
+        goto yy757;
+      if (yych <= '`')
+        goto yy753;
+      if (yych <= 'z')
+        goto yy757;
+      goto yy753;
+    }
+  yy755:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy758;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy756:
+    yych = *++p;
+    if (yych <= '@') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy760;
+      goto yy753;
+    } else {
+      if (yych <= 'F')
+        goto yy760;
+      if (yych <= '`')
+        goto yy753;
+      if (yych <= 'f')
+        goto yy760;
+      goto yy753;
+    }
+  yy757:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy761;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy761;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy761;
+        goto yy753;
+      }
+    }
+  yy758:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy762;
+    if (yych != ';')
+      goto yy753;
+  yy759:
+    ++p;
+    { return (bufsize_t)(p - start); }
+  yy760:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy763;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'F') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy763;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'f')
+          goto yy763;
+        goto yy753;
+      }
+    }
+  yy761:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy764;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy764;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy764;
+        goto yy753;
+      }
+    }
+  yy762:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy765;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy763:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy766;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'F') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy766;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'f')
+          goto yy766;
+        goto yy753;
+      }
+    }
+  yy764:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy767;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy767;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy767;
+        goto yy753;
+      }
+    }
+  yy765:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy768;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy766:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy769;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'F') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy769;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'f')
+          goto yy769;
+        goto yy753;
+      }
+    }
+  yy767:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy770;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy770;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy770;
+        goto yy753;
+      }
+    }
+  yy768:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy771;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy769:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy772;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'F') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy772;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'f')
+          goto yy772;
+        goto yy753;
+      }
+    }
+  yy770:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy773;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy773;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy773;
+        goto yy753;
+      }
+    }
+  yy771:
+    yych = *++p;
+    if (yych <= '/')
+      goto yy753;
+    if (yych <= '9')
+      goto yy774;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy772:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy774;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'F') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy774;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'f')
+          goto yy774;
+        goto yy753;
+      }
+    }
+  yy773:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy775;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy775;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy775;
+        goto yy753;
+      }
+    }
+  yy774:
+    yych = *++p;
+    if (yych == ';')
+      goto yy759;
+    goto yy753;
+  yy775:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy776;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy776:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy777;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy777:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy778;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy778:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy779;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy779:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy780;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy780:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy781;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy781:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy782;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy782:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy783;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy783:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy784;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy784:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy785;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy785:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy786;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy786:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy787;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy787:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy788;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy788:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy789;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy789:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy790;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy790:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy791;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy791:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy792;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy792:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy793;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy793:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy794;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy794:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy795;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy795:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy796;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy796:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy797;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy797:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy798;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych >= '{')
+          goto yy753;
+      }
+    }
+  yy798:
+    yych = *++p;
+    if (yych <= ';') {
+      if (yych <= '/')
+        goto yy753;
+      if (yych <= '9')
+        goto yy774;
+      if (yych <= ':')
+        goto yy753;
+      goto yy759;
+    } else {
+      if (yych <= 'Z') {
+        if (yych <= '@')
+          goto yy753;
+        goto yy774;
+      } else {
+        if (yych <= '`')
+          goto yy753;
+        if (yych <= 'z')
+          goto yy774;
+        goto yy753;
+      }
+    }
+  }
+}
+
+// Returns positive value if a URL begins in a way that is potentially
+// dangerous, with javascript:, vbscript:, file:, or data:, otherwise 0.
+bufsize_t _scan_dangerous_url(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    unsigned int yyaccept = 0;
+    yych = *p;
+    if (yych <= 'V') {
+      if (yych <= 'F') {
+        if (yych == 'D')
+          goto yy801;
+        if (yych >= 'F')
+          goto yy802;
+      } else {
+        if (yych == 'J')
+          goto yy803;
+        if (yych >= 'V')
+          goto yy804;
+      }
+    } else {
+      if (yych <= 'f') {
+        if (yych == 'd')
+          goto yy801;
+        if (yych >= 'f')
+          goto yy802;
+      } else {
+        if (yych <= 'j') {
+          if (yych >= 'j')
+            goto yy803;
+        } else {
+          if (yych == 'v')
+            goto yy804;
+        }
+      }
+    }
+    ++p;
+  yy800 : { return 0; }
+  yy801:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych == 'A')
+      goto yy805;
+    if (yych == 'a')
+      goto yy805;
+    goto yy800;
+  yy802:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych == 'I')
+      goto yy807;
+    if (yych == 'i')
+      goto yy807;
+    goto yy800;
+  yy803:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych == 'A')
+      goto yy808;
+    if (yych == 'a')
+      goto yy808;
+    goto yy800;
+  yy804:
+    yyaccept = 0;
+    yych = *(marker = ++p);
+    if (yych == 'B')
+      goto yy809;
+    if (yych == 'b')
+      goto yy809;
+    goto yy800;
+  yy805:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy810;
+    if (yych == 't')
+      goto yy810;
+  yy806:
+    p = marker;
+    if (yyaccept == 0) {
+      goto yy800;
+    } else {
+      goto yy818;
+    }
+  yy807:
+    yych = *++p;
+    if (yych == 'L')
+      goto yy811;
+    if (yych == 'l')
+      goto yy811;
+    goto yy806;
+  yy808:
+    yych = *++p;
+    if (yych == 'V')
+      goto yy812;
+    if (yych == 'v')
+      goto yy812;
+    goto yy806;
+  yy809:
+    yych = *++p;
+    if (yych == 'S')
+      goto yy813;
+    if (yych == 's')
+      goto yy813;
+    goto yy806;
+  yy810:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy814;
+    if (yych == 'a')
+      goto yy814;
+    goto yy806;
+  yy811:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy815;
+    if (yych == 'e')
+      goto yy815;
+    goto yy806;
+  yy812:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy809;
+    if (yych == 'a')
+      goto yy809;
+    goto yy806;
+  yy813:
+    yych = *++p;
+    if (yych == 'C')
+      goto yy816;
+    if (yych == 'c')
+      goto yy816;
+    goto yy806;
+  yy814:
+    yych = *++p;
+    if (yych == ':')
+      goto yy817;
+    goto yy806;
+  yy815:
+    yych = *++p;
+    if (yych == ':')
+      goto yy819;
+    goto yy806;
+  yy816:
+    yych = *++p;
+    if (yych == 'R')
+      goto yy820;
+    if (yych == 'r')
+      goto yy820;
+    goto yy806;
+  yy817:
+    yyaccept = 1;
+    yych = *(marker = ++p);
+    if (yych == 'I')
+      goto yy821;
+    if (yych == 'i')
+      goto yy821;
+  yy818 : { return (bufsize_t)(p - start); }
+  yy819:
+    ++p;
+    goto yy818;
+  yy820:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy822;
+    if (yych == 'i')
+      goto yy822;
+    goto yy806;
+  yy821:
+    yych = *++p;
+    if (yych == 'M')
+      goto yy823;
+    if (yych == 'm')
+      goto yy823;
+    goto yy806;
+  yy822:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy824;
+    if (yych == 'p')
+      goto yy824;
+    goto yy806;
+  yy823:
+    yych = *++p;
+    if (yych == 'A')
+      goto yy825;
+    if (yych == 'a')
+      goto yy825;
+    goto yy806;
+  yy824:
+    yych = *++p;
+    if (yych == 'T')
+      goto yy815;
+    if (yych == 't')
+      goto yy815;
+    goto yy806;
+  yy825:
+    yych = *++p;
+    if (yych == 'G')
+      goto yy826;
+    if (yych != 'g')
+      goto yy806;
+  yy826:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy827;
+    if (yych != 'e')
+      goto yy806;
+  yy827:
+    yych = *++p;
+    if (yych != '/')
+      goto yy806;
+    yych = *++p;
+    if (yych <= 'W') {
+      if (yych <= 'J') {
+        if (yych == 'G')
+          goto yy828;
+        if (yych <= 'I')
+          goto yy806;
+        goto yy829;
+      } else {
+        if (yych == 'P')
+          goto yy830;
+        if (yych <= 'V')
+          goto yy806;
+        goto yy831;
+      }
+    } else {
+      if (yych <= 'j') {
+        if (yych == 'g')
+          goto yy828;
+        if (yych <= 'i')
+          goto yy806;
+        goto yy829;
+      } else {
+        if (yych <= 'p') {
+          if (yych <= 'o')
+            goto yy806;
+          goto yy830;
+        } else {
+          if (yych == 'w')
+            goto yy831;
+          goto yy806;
+        }
+      }
+    }
+  yy828:
+    yych = *++p;
+    if (yych == 'I')
+      goto yy832;
+    if (yych == 'i')
+      goto yy832;
+    goto yy806;
+  yy829:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy833;
+    if (yych == 'p')
+      goto yy833;
+    goto yy806;
+  yy830:
+    yych = *++p;
+    if (yych == 'N')
+      goto yy834;
+    if (yych == 'n')
+      goto yy834;
+    goto yy806;
+  yy831:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy835;
+    if (yych == 'e')
+      goto yy835;
+    goto yy806;
+  yy832:
+    yych = *++p;
+    if (yych == 'F')
+      goto yy836;
+    if (yych == 'f')
+      goto yy836;
+    goto yy806;
+  yy833:
+    yych = *++p;
+    if (yych == 'E')
+      goto yy834;
+    if (yych != 'e')
+      goto yy806;
+  yy834:
+    yych = *++p;
+    if (yych == 'G')
+      goto yy836;
+    if (yych == 'g')
+      goto yy836;
+    goto yy806;
+  yy835:
+    yych = *++p;
+    if (yych == 'B')
+      goto yy837;
+    if (yych == 'b')
+      goto yy837;
+    goto yy806;
+  yy836:
+    ++p;
+    { return 0; }
+  yy837:
+    yych = *++p;
+    if (yych == 'P')
+      goto yy836;
+    if (yych == 'p')
+      goto yy836;
+    goto yy806;
+  }
+}
+
+// Scans a footnote definition opening.
+bufsize_t _scan_footnote_definition(const unsigned char *p) {
+  const unsigned char *marker = NULL;
+  const unsigned char *start = p;
+
+  {
+    unsigned char yych;
+    static const unsigned char yybm[] = {
+        0,   64, 64, 64, 64, 64, 64, 64, 64, 128, 0,  64, 64, 0,  64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        128, 64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 0,  64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        64,  64, 64, 64, 64, 64, 64, 64, 64, 64,  64, 64, 64, 64, 64, 64,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+        0,   0,  0,  0,  0,  0,  0,  0,  0,  0,   0,  0,  0,  0,  0,  0,
+    };
+    yych = *p;
+    if (yych == '[')
+      goto yy840;
+    ++p;
+  yy839 : { return 0; }
+  yy840:
+    yych = *(marker = ++p);
+    if (yych != '^')
+      goto yy839;
+    yych = *++p;
+    if (yych != ']')
+      goto yy843;
+  yy841:
+    p = marker;
+    goto yy839;
+  yy842:
+    yych = *++p;
+  yy843:
+    if (yybm[0 + yych] & 64) {
+      goto yy842;
+    }
+    if (yych <= 0xEC) {
+      if (yych <= 0xC1) {
+        if (yych <= ' ')
+          goto yy841;
+        if (yych <= ']')
+          goto yy851;
+        goto yy841;
+      } else {
+        if (yych <= 0xDF)
+          goto yy844;
+        if (yych <= 0xE0)
+          goto yy845;
+        goto yy846;
+      }
+    } else {
+      if (yych <= 0xF0) {
+        if (yych <= 0xED)
+          goto yy847;
+        if (yych <= 0xEF)
+          goto yy846;
+        goto yy848;
+      } else {
+        if (yych <= 0xF3)
+          goto yy849;
+        if (yych <= 0xF4)
+          goto yy850;
+        goto yy841;
+      }
+    }
+  yy844:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy841;
+    if (yych <= 0xBF)
+      goto yy842;
+    goto yy841;
+  yy845:
+    yych = *++p;
+    if (yych <= 0x9F)
+      goto yy841;
+    if (yych <= 0xBF)
+      goto yy844;
+    goto yy841;
+  yy846:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy841;
+    if (yych <= 0xBF)
+      goto yy844;
+    goto yy841;
+  yy847:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy841;
+    if (yych <= 0x9F)
+      goto yy844;
+    goto yy841;
+  yy848:
+    yych = *++p;
+    if (yych <= 0x8F)
+      goto yy841;
+    if (yych <= 0xBF)
+      goto yy846;
+    goto yy841;
+  yy849:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy841;
+    if (yych <= 0xBF)
+      goto yy846;
+    goto yy841;
+  yy850:
+    yych = *++p;
+    if (yych <= 0x7F)
+      goto yy841;
+    if (yych <= 0x8F)
+      goto yy846;
+    goto yy841;
+  yy851:
+    yych = *++p;
+    if (yych != ':')
+      goto yy841;
+  yy852:
+    yych = *++p;
+    if (yybm[0 + yych] & 128) {
+      goto yy852;
+    }
+    { return (bufsize_t)(p - start); }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/syntax_extension.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/syntax_extension.c
new file mode 100644
index 0000000000..361c993337
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/syntax_extension.c
@@ -0,0 +1,155 @@
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "syntax_extension.h"
+#include "buffer.h"
+
+extern cmark_mem CMARK_DEFAULT_MEM_ALLOCATOR;
+
+static cmark_mem *_mem = &CMARK_DEFAULT_MEM_ALLOCATOR;
+
+void cmark_syntax_extension_free(cmark_mem *mem, cmark_syntax_extension *extension) {
+  if (extension->free_function && extension->priv) {
+    extension->free_function(mem, extension->priv);
+  }
+
+  cmark_llist_free(mem, extension->special_inline_chars);
+  mem->free(extension->name);
+  mem->free(extension);
+}
+
+cmark_syntax_extension *cmark_syntax_extension_new(const char *name) {
+  cmark_syntax_extension *res = (cmark_syntax_extension *) _mem->calloc(1, sizeof(cmark_syntax_extension));
+  size_t size = strlen(name) + 1;
+  res->name = (char *) _mem->calloc(size, sizeof(char));
+#if defined(_WIN32)
+  strcpy_s(res->name, size, name);
+#else
+  strcpy(res->name, name);
+#endif
+  return res;
+}
+
+cmark_node_type cmark_syntax_extension_add_node(int is_inline) {
+  cmark_node_type *ref = !is_inline ? &CMARK_NODE_LAST_BLOCK : &CMARK_NODE_LAST_INLINE;
+
+  if ((*ref & CMARK_NODE_VALUE_MASK) == CMARK_NODE_VALUE_MASK) {
+    assert(false);
+    return (cmark_node_type) 0;
+  }
+
+  return *ref = (cmark_node_type) ((int) *ref + 1);
+}
+
+void cmark_syntax_extension_set_emphasis(cmark_syntax_extension *extension,
+                                         int emphasis) {
+  extension->emphasis = emphasis == 1;
+}
+
+void cmark_syntax_extension_set_open_block_func(cmark_syntax_extension *extension,
+                                                cmark_open_block_func func) {
+  extension->try_opening_block = func;
+}
+
+void cmark_syntax_extension_set_match_block_func(cmark_syntax_extension *extension,
+                                                 cmark_match_block_func func) {
+  extension->last_block_matches = func;
+}
+
+void cmark_syntax_extension_set_match_inline_func(cmark_syntax_extension *extension,
+                                                  cmark_match_inline_func func) {
+  extension->match_inline = func;
+}
+
+void cmark_syntax_extension_set_inline_from_delim_func(cmark_syntax_extension *extension,
+                                                       cmark_inline_from_delim_func func) {
+  extension->insert_inline_from_delim = func;
+}
+
+void cmark_syntax_extension_set_special_inline_chars(cmark_syntax_extension *extension,
+                                                     cmark_llist *special_chars) {
+  extension->special_inline_chars = special_chars;
+}
+
+void cmark_syntax_extension_set_get_type_string_func(cmark_syntax_extension *extension,
+                                                     cmark_get_type_string_func func) {
+  extension->get_type_string_func = func;
+}
+
+void cmark_syntax_extension_set_can_contain_func(cmark_syntax_extension *extension,
+                                                 cmark_can_contain_func func) {
+  extension->can_contain_func = func;
+}
+
+void cmark_syntax_extension_set_contains_inlines_func(cmark_syntax_extension *extension,
+                                                      cmark_contains_inlines_func func) {
+  extension->contains_inlines_func = func;
+}
+
+void cmark_syntax_extension_set_commonmark_render_func(cmark_syntax_extension *extension,
+                                                       cmark_common_render_func func) {
+  extension->commonmark_render_func = func;
+}
+
+void cmark_syntax_extension_set_plaintext_render_func(cmark_syntax_extension *extension,
+                                                      cmark_common_render_func func) {
+  extension->plaintext_render_func = func;
+}
+
+void cmark_syntax_extension_set_latex_render_func(cmark_syntax_extension *extension,
+                                                  cmark_common_render_func func) {
+  extension->latex_render_func = func;
+}
+
+void cmark_syntax_extension_set_xml_attr_func(cmark_syntax_extension *extension,
+                                              cmark_xml_attr_func func) {
+  extension->xml_attr_func = func;
+}
+
+void cmark_syntax_extension_set_man_render_func(cmark_syntax_extension *extension,
+                                                cmark_common_render_func func) {
+  extension->man_render_func = func;
+}
+
+void cmark_syntax_extension_set_html_render_func(cmark_syntax_extension *extension,
+                                                 cmark_html_render_func func) {
+  extension->html_render_func = func;
+}
+
+void cmark_syntax_extension_set_html_filter_func(cmark_syntax_extension *extension,
+                                                 cmark_html_filter_func func) {
+  extension->html_filter_func = func;
+}
+
+void cmark_syntax_extension_set_postprocess_func(cmark_syntax_extension *extension,
+                                                 cmark_postprocess_func func) {
+  extension->postprocess_func = func;
+}
+
+void cmark_syntax_extension_set_private(cmark_syntax_extension *extension,
+                                        void *priv,
+                                        cmark_free_func free_func) {
+  extension->priv = priv;
+  extension->free_function = free_func;
+}
+
+void *cmark_syntax_extension_get_private(cmark_syntax_extension *extension) {
+    return extension->priv;
+}
+
+void cmark_syntax_extension_set_opaque_alloc_func(cmark_syntax_extension *extension,
+                                                  cmark_opaque_alloc_func func) {
+  extension->opaque_alloc_func = func;
+}
+
+void cmark_syntax_extension_set_opaque_free_func(cmark_syntax_extension *extension,
+                                                 cmark_opaque_free_func func) {
+  extension->opaque_free_func = func;
+}
+
+void cmark_syntax_extension_set_commonmark_escape_func(cmark_syntax_extension *extension,
+                                                       cmark_commonmark_escape_func func) {
+  extension->commonmark_escape_func = func;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/utf8.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/utf8.c
new file mode 100644
index 0000000000..c29bbf770b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/utf8.c
@@ -0,0 +1,317 @@
+#include 
+#include 
+#include 
+
+#include "cmark_ctype.h"
+#include "utf8.h"
+
+static const int8_t utf8proc_utf8class[256] = {
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
+    4, 4, 4, 4, 4, 4, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0};
+
+static void encode_unknown(cmark_strbuf *buf) {
+  static const uint8_t repl[] = {239, 191, 189};
+  cmark_strbuf_put(buf, repl, 3);
+}
+
+static int utf8proc_charlen(const uint8_t *str, bufsize_t str_len) {
+  int length, i;
+
+  if (!str_len)
+    return 0;
+
+  length = utf8proc_utf8class[str[0]];
+
+  if (!length)
+    return -1;
+
+  if (str_len >= 0 && (bufsize_t)length > str_len)
+    return -str_len;
+
+  for (i = 1; i < length; i++) {
+    if ((str[i] & 0xC0) != 0x80)
+      return -i;
+  }
+
+  return length;
+}
+
+// Validate a single UTF-8 character according to RFC 3629.
+static int utf8proc_valid(const uint8_t *str, bufsize_t str_len) {
+  int length = utf8proc_utf8class[str[0]];
+
+  if (!length)
+    return -1;
+
+  if ((bufsize_t)length > str_len)
+    return -str_len;
+
+  switch (length) {
+  case 2:
+    if ((str[1] & 0xC0) != 0x80)
+      return -1;
+    if (str[0] < 0xC2) {
+      // Overlong
+      return -length;
+    }
+    break;
+
+  case 3:
+    if ((str[1] & 0xC0) != 0x80)
+      return -1;
+    if ((str[2] & 0xC0) != 0x80)
+      return -2;
+    if (str[0] == 0xE0) {
+      if (str[1] < 0xA0) {
+        // Overlong
+        return -length;
+      }
+    } else if (str[0] == 0xED) {
+      if (str[1] >= 0xA0) {
+        // Surrogate
+        return -length;
+      }
+    }
+    break;
+
+  case 4:
+    if ((str[1] & 0xC0) != 0x80)
+      return -1;
+    if ((str[2] & 0xC0) != 0x80)
+      return -2;
+    if ((str[3] & 0xC0) != 0x80)
+      return -3;
+    if (str[0] == 0xF0) {
+      if (str[1] < 0x90) {
+        // Overlong
+        return -length;
+      }
+    } else if (str[0] >= 0xF4) {
+      if (str[0] > 0xF4 || str[1] >= 0x90) {
+        // Above 0x10FFFF
+        return -length;
+      }
+    }
+    break;
+  }
+
+  return length;
+}
+
+void cmark_utf8proc_check(cmark_strbuf *ob, const uint8_t *line,
+                          bufsize_t size) {
+  bufsize_t i = 0;
+
+  while (i < size) {
+    bufsize_t org = i;
+    int charlen = 0;
+
+    while (i < size) {
+      if (line[i] < 0x80 && line[i] != 0) {
+        i++;
+      } else if (line[i] >= 0x80) {
+        charlen = utf8proc_valid(line + i, size - i);
+        if (charlen < 0) {
+          charlen = -charlen;
+          break;
+        }
+        i += charlen;
+      } else if (line[i] == 0) {
+        // ASCII NUL is technically valid but rejected
+        // for security reasons.
+        charlen = 1;
+        break;
+      }
+    }
+
+    if (i > org) {
+      cmark_strbuf_put(ob, line + org, i - org);
+    }
+
+    if (i >= size) {
+      break;
+    } else {
+      // Invalid UTF-8
+      encode_unknown(ob);
+      i += charlen;
+    }
+  }
+}
+
+int cmark_utf8proc_iterate(const uint8_t *str, bufsize_t str_len,
+                           int32_t *dst) {
+  int length;
+  int32_t uc = -1;
+
+  *dst = -1;
+  length = utf8proc_charlen(str, str_len);
+  if (length < 0)
+    return -1;
+
+  switch (length) {
+  case 1:
+    uc = str[0];
+    break;
+  case 2:
+    uc = ((str[0] & 0x1F) << 6) + (str[1] & 0x3F);
+    if (uc < 0x80)
+      uc = -1;
+    break;
+  case 3:
+    uc = ((str[0] & 0x0F) << 12) + ((str[1] & 0x3F) << 6) + (str[2] & 0x3F);
+    if (uc < 0x800 || (uc >= 0xD800 && uc < 0xE000))
+      uc = -1;
+    break;
+  case 4:
+    uc = ((str[0] & 0x07) << 18) + ((str[1] & 0x3F) << 12) +
+         ((str[2] & 0x3F) << 6) + (str[3] & 0x3F);
+    if (uc < 0x10000 || uc >= 0x110000)
+      uc = -1;
+    break;
+  }
+
+  if (uc < 0)
+    return -1;
+
+  *dst = uc;
+  return length;
+}
+
+void cmark_utf8proc_encode_char(int32_t uc, cmark_strbuf *buf) {
+  uint8_t dst[4];
+  bufsize_t len = 0;
+
+  assert(uc >= 0);
+
+  if (uc < 0x80) {
+    dst[0] = (uint8_t)(uc);
+    len = 1;
+  } else if (uc < 0x800) {
+    dst[0] = (uint8_t)(0xC0 + (uc >> 6));
+    dst[1] = 0x80 + (uc & 0x3F);
+    len = 2;
+  } else if (uc == 0xFFFF) {
+    dst[0] = 0xFF;
+    len = 1;
+  } else if (uc == 0xFFFE) {
+    dst[0] = 0xFE;
+    len = 1;
+  } else if (uc < 0x10000) {
+    dst[0] = (uint8_t)(0xE0 + (uc >> 12));
+    dst[1] = 0x80 + ((uc >> 6) & 0x3F);
+    dst[2] = 0x80 + (uc & 0x3F);
+    len = 3;
+  } else if (uc < 0x110000) {
+    dst[0] = (uint8_t)(0xF0 + (uc >> 18));
+    dst[1] = 0x80 + ((uc >> 12) & 0x3F);
+    dst[2] = 0x80 + ((uc >> 6) & 0x3F);
+    dst[3] = 0x80 + (uc & 0x3F);
+    len = 4;
+  } else {
+    encode_unknown(buf);
+    return;
+  }
+
+  cmark_strbuf_put(buf, dst, len);
+}
+
+void cmark_utf8proc_case_fold(cmark_strbuf *dest, const uint8_t *str,
+                              bufsize_t len) {
+  int32_t c;
+
+#define bufpush(x) cmark_utf8proc_encode_char(x, dest)
+
+  while (len > 0) {
+    bufsize_t char_len = cmark_utf8proc_iterate(str, len, &c);
+
+    if (char_len >= 0) {
+#include "case_fold_switch.inc"
+    } else {
+      encode_unknown(dest);
+      char_len = -char_len;
+    }
+
+    str += char_len;
+    len -= char_len;
+  }
+}
+
+// matches anything in the Zs class, plus LF, CR, TAB, FF.
+int cmark_utf8proc_is_space(int32_t uc) {
+  return (uc == 9 || uc == 10 || uc == 12 || uc == 13 || uc == 32 ||
+          uc == 160 || uc == 5760 || (uc >= 8192 && uc <= 8202) || uc == 8239 ||
+          uc == 8287 || uc == 12288);
+}
+
+// matches anything in the P[cdefios] classes.
+int cmark_utf8proc_is_punctuation(int32_t uc) {
+  return (
+      (uc < 128 && cmark_ispunct((char)uc)) || uc == 161 || uc == 167 ||
+      uc == 171 || uc == 182 || uc == 183 || uc == 187 || uc == 191 ||
+      uc == 894 || uc == 903 || (uc >= 1370 && uc <= 1375) || uc == 1417 ||
+      uc == 1418 || uc == 1470 || uc == 1472 || uc == 1475 || uc == 1478 ||
+      uc == 1523 || uc == 1524 || uc == 1545 || uc == 1546 || uc == 1548 ||
+      uc == 1549 || uc == 1563 || uc == 1566 || uc == 1567 ||
+      (uc >= 1642 && uc <= 1645) || uc == 1748 || (uc >= 1792 && uc <= 1805) ||
+      (uc >= 2039 && uc <= 2041) || (uc >= 2096 && uc <= 2110) || uc == 2142 ||
+      uc == 2404 || uc == 2405 || uc == 2416 || uc == 2800 || uc == 3572 ||
+      uc == 3663 || uc == 3674 || uc == 3675 || (uc >= 3844 && uc <= 3858) ||
+      uc == 3860 || (uc >= 3898 && uc <= 3901) || uc == 3973 ||
+      (uc >= 4048 && uc <= 4052) || uc == 4057 || uc == 4058 ||
+      (uc >= 4170 && uc <= 4175) || uc == 4347 || (uc >= 4960 && uc <= 4968) ||
+      uc == 5120 || uc == 5741 || uc == 5742 || uc == 5787 || uc == 5788 ||
+      (uc >= 5867 && uc <= 5869) || uc == 5941 || uc == 5942 ||
+      (uc >= 6100 && uc <= 6102) || (uc >= 6104 && uc <= 6106) ||
+      (uc >= 6144 && uc <= 6154) || uc == 6468 || uc == 6469 || uc == 6686 ||
+      uc == 6687 || (uc >= 6816 && uc <= 6822) || (uc >= 6824 && uc <= 6829) ||
+      (uc >= 7002 && uc <= 7008) || (uc >= 7164 && uc <= 7167) ||
+      (uc >= 7227 && uc <= 7231) || uc == 7294 || uc == 7295 ||
+      (uc >= 7360 && uc <= 7367) || uc == 7379 || (uc >= 8208 && uc <= 8231) ||
+      (uc >= 8240 && uc <= 8259) || (uc >= 8261 && uc <= 8273) ||
+      (uc >= 8275 && uc <= 8286) || uc == 8317 || uc == 8318 || uc == 8333 ||
+      uc == 8334 || (uc >= 8968 && uc <= 8971) || uc == 9001 || uc == 9002 ||
+      (uc >= 10088 && uc <= 10101) || uc == 10181 || uc == 10182 ||
+      (uc >= 10214 && uc <= 10223) || (uc >= 10627 && uc <= 10648) ||
+      (uc >= 10712 && uc <= 10715) || uc == 10748 || uc == 10749 ||
+      (uc >= 11513 && uc <= 11516) || uc == 11518 || uc == 11519 ||
+      uc == 11632 || (uc >= 11776 && uc <= 11822) ||
+      (uc >= 11824 && uc <= 11842) || (uc >= 12289 && uc <= 12291) ||
+      (uc >= 12296 && uc <= 12305) || (uc >= 12308 && uc <= 12319) ||
+      uc == 12336 || uc == 12349 || uc == 12448 || uc == 12539 || uc == 42238 ||
+      uc == 42239 || (uc >= 42509 && uc <= 42511) || uc == 42611 ||
+      uc == 42622 || (uc >= 42738 && uc <= 42743) ||
+      (uc >= 43124 && uc <= 43127) || uc == 43214 || uc == 43215 ||
+      (uc >= 43256 && uc <= 43258) || uc == 43310 || uc == 43311 ||
+      uc == 43359 || (uc >= 43457 && uc <= 43469) || uc == 43486 ||
+      uc == 43487 || (uc >= 43612 && uc <= 43615) || uc == 43742 ||
+      uc == 43743 || uc == 43760 || uc == 43761 || uc == 44011 || uc == 64830 ||
+      uc == 64831 || (uc >= 65040 && uc <= 65049) ||
+      (uc >= 65072 && uc <= 65106) || (uc >= 65108 && uc <= 65121) ||
+      uc == 65123 || uc == 65128 || uc == 65130 || uc == 65131 ||
+      (uc >= 65281 && uc <= 65283) || (uc >= 65285 && uc <= 65290) ||
+      (uc >= 65292 && uc <= 65295) || uc == 65306 || uc == 65307 ||
+      uc == 65311 || uc == 65312 || (uc >= 65339 && uc <= 65341) ||
+      uc == 65343 || uc == 65371 || uc == 65373 ||
+      (uc >= 65375 && uc <= 65381) || (uc >= 65792 && uc <= 65794) ||
+      uc == 66463 || uc == 66512 || uc == 66927 || uc == 67671 || uc == 67871 ||
+      uc == 67903 || (uc >= 68176 && uc <= 68184) || uc == 68223 ||
+      (uc >= 68336 && uc <= 68342) || (uc >= 68409 && uc <= 68415) ||
+      (uc >= 68505 && uc <= 68508) || (uc >= 69703 && uc <= 69709) ||
+      uc == 69819 || uc == 69820 || (uc >= 69822 && uc <= 69825) ||
+      (uc >= 69952 && uc <= 69955) || uc == 70004 || uc == 70005 ||
+      (uc >= 70085 && uc <= 70088) || uc == 70093 ||
+      (uc >= 70200 && uc <= 70205) || uc == 70854 ||
+      (uc >= 71105 && uc <= 71113) || (uc >= 71233 && uc <= 71235) ||
+      (uc >= 74864 && uc <= 74868) || uc == 92782 || uc == 92783 ||
+      uc == 92917 || (uc >= 92983 && uc <= 92987) || uc == 92996 ||
+      uc == 113823);
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/xml.c b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/xml.c
new file mode 100644
index 0000000000..ad46af723a
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownParserCore/src/xml.c
@@ -0,0 +1,185 @@
+#include 
+#include 
+#include 
+#include 
+#include 
+
+#include "cmark-gfm.h"
+#include "node.h"
+#include "buffer.h"
+#include "houdini.h"
+#include "syntax_extension.h"
+
+#define BUFFER_SIZE 100
+#define MAX_INDENT 40
+
+// Functions to convert cmark_nodes to XML strings.
+
+static void escape_xml(cmark_strbuf *dest, const unsigned char *source,
+                       bufsize_t length) {
+  houdini_escape_html0(dest, source, length, 0);
+}
+
+struct render_state {
+  cmark_strbuf *xml;
+  int indent;
+};
+
+static inline void indent(struct render_state *state) {
+  int i;
+  for (i = 0; i < state->indent && i < MAX_INDENT; i++) {
+    cmark_strbuf_putc(state->xml, ' ');
+  }
+}
+
+static int S_render_node(cmark_node *node, cmark_event_type ev_type,
+                         struct render_state *state, int options) {
+  cmark_strbuf *xml = state->xml;
+  bool literal = false;
+  cmark_delim_type delim;
+  bool entering = (ev_type == CMARK_EVENT_ENTER);
+  char buffer[BUFFER_SIZE];
+
+  if (entering) {
+    indent(state);
+    cmark_strbuf_putc(xml, '<');
+    cmark_strbuf_puts(xml, cmark_node_get_type_string(node));
+
+    if (options & CMARK_OPT_SOURCEPOS && node->start_line != 0) {
+      snprintf(buffer, BUFFER_SIZE, " sourcepos=\"%d:%d-%d:%d\"",
+               node->start_line, node->start_column, node->end_line,
+               node->end_column);
+      cmark_strbuf_puts(xml, buffer);
+    }
+
+    if (node->extension && node->extension->xml_attr_func) {
+      const char* r = node->extension->xml_attr_func(node->extension, node);
+      if (r != NULL)
+        cmark_strbuf_puts(xml, r);
+    }
+
+    literal = false;
+
+    switch (node->type) {
+    case CMARK_NODE_DOCUMENT:
+      cmark_strbuf_puts(xml, " xmlns=\"http://commonmark.org/xml/1.0\"");
+      break;
+    case CMARK_NODE_TEXT:
+    case CMARK_NODE_CODE:
+    case CMARK_NODE_HTML_BLOCK:
+    case CMARK_NODE_HTML_INLINE:
+      cmark_strbuf_puts(xml, " xml:space=\"preserve\">");
+      escape_xml(xml, node->as.literal.data, node->as.literal.len);
+      cmark_strbuf_puts(xml, "as.heading.level);
+      cmark_strbuf_puts(xml, buffer);
+      break;
+    case CMARK_NODE_CODE_BLOCK:
+      if (node->as.code.info.len > 0) {
+        cmark_strbuf_puts(xml, " info=\"");
+        escape_xml(xml, node->as.code.info.data, node->as.code.info.len);
+        cmark_strbuf_putc(xml, '"');
+      }
+      cmark_strbuf_puts(xml, " xml:space=\"preserve\">");
+      escape_xml(xml, node->as.code.literal.data, node->as.code.literal.len);
+      cmark_strbuf_puts(xml, "as.custom.on_enter.data,
+                 node->as.custom.on_enter.len);
+      cmark_strbuf_putc(xml, '"');
+      cmark_strbuf_puts(xml, " on_exit=\"");
+      escape_xml(xml, node->as.custom.on_exit.data,
+                 node->as.custom.on_exit.len);
+      cmark_strbuf_putc(xml, '"');
+      break;
+    case CMARK_NODE_LINK:
+    case CMARK_NODE_IMAGE:
+      cmark_strbuf_puts(xml, " destination=\"");
+      escape_xml(xml, node->as.link.url.data, node->as.link.url.len);
+      cmark_strbuf_putc(xml, '"');
+      cmark_strbuf_puts(xml, " title=\"");
+      escape_xml(xml, node->as.link.title.data, node->as.link.title.len);
+      cmark_strbuf_putc(xml, '"');
+      break;
+    case CMARK_NODE_ATTRIBUTE:
+      // TODO
+      break;
+    default:
+      break;
+    }
+    if (node->first_child) {
+      state->indent += 2;
+    } else if (!literal) {
+      cmark_strbuf_puts(xml, " /");
+    }
+    cmark_strbuf_puts(xml, ">\n");
+
+  } else if (node->first_child) {
+    state->indent -= 2;
+    indent(state);
+    cmark_strbuf_puts(xml, "\n");
+  }
+
+  return 1;
+}
+
+char *cmark_render_xml(cmark_node *root, int options) {
+  return cmark_render_xml_with_mem(root, options, cmark_node_mem(root));
+}
+
+char *cmark_render_xml_with_mem(cmark_node *root, int options, cmark_mem *mem) {
+  char *result;
+  cmark_strbuf xml = CMARK_BUF_INIT(mem);
+  cmark_event_type ev_type;
+  cmark_node *cur;
+  struct render_state state = {&xml, 0};
+
+  cmark_iter *iter = cmark_iter_new(root);
+
+  cmark_strbuf_puts(state.xml, "\n");
+  cmark_strbuf_puts(state.xml,
+                    "\n");
+  while ((ev_type = cmark_iter_next(iter)) != CMARK_EVENT_DONE) {
+    cur = cmark_iter_get_node(iter);
+    S_render_node(cur, ev_type, &state, options);
+  }
+  result = (char *)cmark_strbuf_detach(&xml);
+
+  cmark_iter_free(iter);
+  return result;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/.gitignore b/packages/frontend/apps/ios/App/Packages/MarkdownView/.gitignore
new file mode 100644
index 0000000000..0023a53406
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/.gitignore
@@ -0,0 +1,8 @@
+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/.swiftpm/xcode/xcshareddata/xcschemes/FlowMarkdownView.xcscheme b/packages/frontend/apps/ios/App/Packages/MarkdownView/.swiftpm/xcode/xcshareddata/xcschemes/FlowMarkdownView.xcscheme
new file mode 100644
index 0000000000..de651b9d85
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/.swiftpm/xcode/xcshareddata/xcschemes/FlowMarkdownView.xcscheme
@@ -0,0 +1,67 @@
+
+
+   
+      
+         
+            
+            
+         
+      
+   
+   
+   
+   
+   
+   
+      
+         
+         
+      
+   
+   
+   
+   
+   
+
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.pbxproj b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.pbxproj
new file mode 100644
index 0000000000..65782460a1
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.pbxproj
@@ -0,0 +1,411 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 77;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		50219C662D3E2304006CB93C /* App.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50219C652D3E2304006CB93C /* App.swift */; };
+		507C16722D2719F100B478D2 /* MarkdownView in Frameworks */ = {isa = PBXBuildFile; productRef = 507C16712D2719F100B478D2 /* MarkdownView */; };
+		5084C6742D281A41007310F0 /* LookinServer in Frameworks */ = {isa = PBXBuildFile; productRef = 5084C6732D281A41007310F0 /* LookinServer */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXFileReference section */
+		50219C652D3E2304006CB93C /* App.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = App.swift; sourceTree = ""; };
+		505E99EA2D26D8380014A6D3 /* Example.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Example.app; sourceTree = BUILT_PRODUCTS_DIR; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		505E99E72D26D8380014A6D3 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				507C16722D2719F100B478D2 /* MarkdownView in Frameworks */,
+				5084C6742D281A41007310F0 /* LookinServer in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		5015F6D32D26DCFB005FA7D2 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+			);
+			name = Frameworks;
+			sourceTree = "";
+		};
+		50219C642D3E22FB006CB93C /* Example */ = {
+			isa = PBXGroup;
+			children = (
+				50219C652D3E2304006CB93C /* App.swift */,
+			);
+			path = Example;
+			sourceTree = "";
+		};
+		505E99E12D26D8380014A6D3 = {
+			isa = PBXGroup;
+			children = (
+				50219C642D3E22FB006CB93C /* Example */,
+				5015F6D32D26DCFB005FA7D2 /* Frameworks */,
+				505E99EB2D26D8380014A6D3 /* Products */,
+			);
+			sourceTree = "";
+		};
+		505E99EB2D26D8380014A6D3 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				505E99EA2D26D8380014A6D3 /* Example.app */,
+			);
+			name = Products;
+			sourceTree = "";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		505E99E92D26D8380014A6D3 /* Example */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 505E99F82D26D8390014A6D3 /* Build configuration list for PBXNativeTarget "Example" */;
+			buildPhases = (
+				5015F6CD2D26DB1B005FA7D2 /* Format Source */,
+				505E99E62D26D8380014A6D3 /* Sources */,
+				505E99E72D26D8380014A6D3 /* Frameworks */,
+				505E99E82D26D8380014A6D3 /* Resources */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = Example;
+			packageProductDependencies = (
+				507C16712D2719F100B478D2 /* MarkdownView */,
+				5084C6732D281A41007310F0 /* LookinServer */,
+			);
+			productName = Example;
+			productReference = 505E99EA2D26D8380014A6D3 /* Example.app */;
+			productType = "com.apple.product-type.application";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		505E99E22D26D8380014A6D3 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				BuildIndependentTargetsInParallel = 1;
+				LastSwiftUpdateCheck = 1620;
+				LastUpgradeCheck = 1620;
+				TargetAttributes = {
+					505E99E92D26D8380014A6D3 = {
+						CreatedOnToolsVersion = 16.2;
+						LastSwiftMigration = 1620;
+					};
+				};
+			};
+			buildConfigurationList = 505E99E52D26D8380014A6D3 /* Build configuration list for PBXProject "Example" */;
+			developmentRegion = en;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+				Base,
+			);
+			mainGroup = 505E99E12D26D8380014A6D3;
+			minimizedProjectReferenceProxies = 1;
+			packageReferences = (
+				5084C6722D281A38007310F0 /* XCRemoteSwiftPackageReference "LookinServer" */,
+			);
+			preferredProjectObjectVersion = 77;
+			productRefGroup = 505E99EB2D26D8380014A6D3 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				505E99E92D26D8380014A6D3 /* Example */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXResourcesBuildPhase section */
+		505E99E82D26D8380014A6D3 /* Resources */ = {
+			isa = PBXResourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXShellScriptBuildPhase section */
+		5015F6CD2D26DB1B005FA7D2 /* Format Source */ = {
+			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "Format Source";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "/opt/homebrew/bin/swiftformat . --swiftversion 6.0\n\n";
+		};
+/* End PBXShellScriptBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		505E99E62D26D8380014A6D3 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				50219C662D3E2304006CB93C /* App.swift in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		505E99F62D26D8390014A6D3 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = dwarf;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu17;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 18.2;
+				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
+				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
+				MTL_FAST_MATH = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+			};
+			name = Debug;
+		};
+		505E99F72D26D8390014A6D3 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ASSETCATALOG_COMPILER_GENERATE_SWIFT_ASSET_SYMBOL_EXTENSIONS = YES;
+				CLANG_ANALYZER_NONNULL = YES;
+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_ENABLE_MODULES = YES;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_ENABLE_OBJC_WEAK = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
+				CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_NS_ASSERTIONS = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu17;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 18.2;
+				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				MTL_FAST_MATH = YES;
+				SDKROOT = iphoneos;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				VALIDATE_PRODUCT = YES;
+			};
+			name = Release;
+		};
+		505E99F92D26D8390014A6D3 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 964G86XT2P;
+				ENABLE_PREVIEWS = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = wiki.qaq.Example;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = YES;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		505E99FA2D26D8390014A6D3 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CLANG_ENABLE_MODULES = YES;
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Apple Development";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 964G86XT2P;
+				ENABLE_PREVIEWS = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = NO;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_UIApplicationSceneManifest_Generation = YES;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 15.0;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = wiki.qaq.Example;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator";
+				SUPPORTS_MACCATALYST = YES;
+				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		505E99E52D26D8380014A6D3 /* Build configuration list for PBXProject "Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				505E99F62D26D8390014A6D3 /* Debug */,
+				505E99F72D26D8390014A6D3 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		505E99F82D26D8390014A6D3 /* Build configuration list for PBXNativeTarget "Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				505E99F92D26D8390014A6D3 /* Debug */,
+				505E99FA2D26D8390014A6D3 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+
+/* Begin XCRemoteSwiftPackageReference section */
+		5084C6722D281A38007310F0 /* XCRemoteSwiftPackageReference "LookinServer" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/QMUI/LookinServer/";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 1.2.8;
+			};
+		};
+/* End XCRemoteSwiftPackageReference section */
+
+/* Begin XCSwiftPackageProductDependency section */
+		507C16712D2719F100B478D2 /* MarkdownView */ = {
+			isa = XCSwiftPackageProductDependency;
+			productName = MarkdownView;
+		};
+		5084C6732D281A41007310F0 /* LookinServer */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = 5084C6722D281A38007310F0 /* XCRemoteSwiftPackageReference "LookinServer" */;
+			productName = LookinServer;
+		};
+/* End XCSwiftPackageProductDependency section */
+	};
+	rootObject = 505E99E22D26D8380014A6D3 /* Project object */;
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000000..919434a625
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+
+
+   
+   
+
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcworkspace/contents.xcworkspacedata b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000000..684b9e8df0
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+
+
+   
+   
+   
+   
+
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example/App.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example/App.swift
new file mode 100644
index 0000000000..c972267baa
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Example/Example/App.swift
@@ -0,0 +1,180 @@
+//
+//  App.swift
+//  Example
+//
+//  Created by 秋星桥 on 1/20/25.
+//
+
+import SwiftUI
+
+@main
+struct TheApp: App {
+  var body: some Scene {
+    WindowGroup {
+      NavigationView {
+        Content()
+          .navigationTitle("MarkdownView")
+          .navigationBarTitleDisplayMode(.inline)
+      }
+      .navigationViewStyle(.stack)
+    }
+  }
+}
+
+import MarkdownParser
+import MarkdownView
+
+class ContentController: UIViewController {
+  let document = MarkdownParser().feed(testDocument)
+  let scrollView = UIScrollView()
+  let markdownView = MarkdownView(theme: .default)
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    view.addSubview(scrollView)
+    scrollView.addSubview(markdownView)
+  }
+
+  override func viewWillLayoutSubviews() {
+    super.viewWillLayoutSubviews()
+    scrollView.frame = view.bounds
+    let width = view.bounds.width - 32
+    let manifest = document.map {
+      let manifest = $0.manifest(theme: markdownView.theme)
+      manifest.setLayoutWidth(width)
+      manifest.layoutIfNeeded()
+      return manifest
+    }
+    markdownView.updateContentViews(manifest)
+    markdownView.frame = .init(
+      x: 16,
+      y: 16,
+      width: width,
+      height: markdownView.height
+    )
+    scrollView.contentSize = .init(
+      width: width,
+      height: markdownView.height + 100
+    )
+  }
+}
+
+struct Content: UIViewControllerRepresentable {
+  func makeUIViewController(context _: Context) -> ContentController {
+    ContentController()
+  }
+
+  func updateUIViewController(_: ContentController, context _: Context) {}
+}
+
+let testDocument = ###"""
+# Markdown 测试文稿
+
+这是一篇用于测试渲染引擎性能的 Markdown 文档，包含多种格式和元素。以下是不同 Markdown 语法的示例：
+
+## 标题
+
+### 三级标题
+
+#### 四级标题
+
+##### 五级标题
+
+###### 六级标题
+
+## 段落与文本格式
+
+这是一个普通段落。**这是加粗的文字**，*这是斜体的文字*，***这是加粗且斜体的文字***。~~这是删除线~~。
+
+这是`行内代码`的示例。
+
+## 列表
+
+### 无序列表
+
+- 项目 1
+- 项目 2
+  - 子项目 2.1
+  - 子项目 2.2
+- 项目 3
+
+### 有序列表
+
+1. 第一项
+2. 第二项
+   1. 子项 2.1
+   2. 子项 2.2
+3. 第三项
+
+## 引用
+
+> 这是一个引用块。引用块可以包含多行文字，甚至可以包含其他 Markdown 元素，比如**加粗**或`代码`。
+
+## 代码块
+
+```python
+def hello_world():
+    print("Hello, World!")
+```
+
+```javascript
+function helloWorld() {
+    console.log("Hello, World!");
+}
+```
+
+## 表格
+
+| 序号 | 名称       | 描述          |
+| ---- | ---------- | ------------- |
+| 1    | 项目 A     | 这是项目 A    |
+| 2    | 项目 B     | 这是项目 B    |
+| 3    | 项目 C     | 这是项目 C    |
+
+## 链接与图片
+
+这是一个[短链接](https://example.com)的示例。
+
+![图片描述](https://via.placeholder.com/150)
+
+## HTML 嵌入
+
+
这是一个红色的段落，使用 HTML 标签实现。

+
+这是一个短链接
+
+## 分隔线
+
+---
+
+## 脚注
+
+这是一个脚注的示例[^1]。
+
+[^1]: 这是脚注的内容。
+
+## 内嵌 HTML
+
+

+  这是一个带有边框的 HTML 块。
+

+
+## 数学公式（如果支持）
+
+这是一个行内公式：$E = mc^2$。
+
+这是一个块级公式：
+$$
+\int_{a}^{b} x^2 dx
+$$
+
+## 任务列表
+
+- [x] 完成任务 1
+- [ ] 完成任务 2
+- [ ] 完成任务 3
+
+## 结束语
+
+这篇文档包含了多种 Markdown 格式和 HTML 元素，适合用于测试渲染引擎的性能和兼容性。希望它能帮助你完成测试！
+"""###
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Package.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Package.swift
new file mode 100644
index 0000000000..4edfebad3d
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Package.swift
@@ -0,0 +1,29 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+  name: "MarkdownView",
+  platforms: [
+    .iOS(.v14),
+    .macCatalyst(.v14),
+  ],
+  products: [
+    .library(name: "MarkdownView", targets: ["MarkdownView"]),
+  ],
+  dependencies: [
+    .package(path: "../MarkdownParserCore"),
+    .package(url: "https://github.com/JohnSundell/Splash", from: "0.16.0"),
+  ],
+  targets: [
+    .target(name: "MarkdownView", dependencies: [
+      "MarkdownParser",
+      "Splash",
+    ]),
+    .target(name: "MarkdownParser", dependencies: [
+      .product(name: "MarkdownParserCore", package: "MarkdownParserCore"),
+      .product(name: "MarkdownParserCoreExtension", package: "MarkdownParserCore"),
+    ]),
+  ]
+)
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode+Rewrite.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode+Rewrite.swift
new file mode 100644
index 0000000000..03990f4a45
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode+Rewrite.swift
@@ -0,0 +1,104 @@
+import Foundation
+
+extension Sequence {
+  func rewrite(_ r: (BlockNode) throws -> [BlockNode]) rethrows -> [BlockNode] {
+    try flatMap { try $0.rewrite(r) }
+  }
+
+  func rewrite(_ r: (InlineNode) throws -> [InlineNode]) rethrows -> [BlockNode] {
+    try flatMap { try $0.rewrite(r) }
+  }
+}
+
+extension BlockNode {
+  func rewrite(_ r: (BlockNode) throws -> [BlockNode]) rethrows -> [BlockNode] {
+    switch self {
+    case let .blockquote(children):
+      try r(.blockquote(children: children.rewrite(r)))
+    case let .bulletedList(isTight, items):
+      try r(
+        .bulletedList(
+          isTight: isTight,
+          items: items.map {
+            try RawListItem(children: $0.children.rewrite(r))
+          }
+        )
+      )
+    case let .numberedList(isTight, start, items):
+      try r(
+        .numberedList(
+          isTight: isTight,
+          start: start,
+          items: items.map {
+            try RawListItem(children: $0.children.rewrite(r))
+          }
+        )
+      )
+    case let .taskList(isTight, items):
+      try r(
+        .taskList(
+          isTight: isTight,
+          items: items.map {
+            try RawTaskListItem(isCompleted: $0.isCompleted, children: $0.children.rewrite(r))
+          }
+        )
+      )
+    default:
+      try r(self)
+    }
+  }
+
+  func rewrite(_ r: (InlineNode) throws -> [InlineNode]) rethrows -> [BlockNode] {
+    switch self {
+    case let .blockquote(children):
+      try [.blockquote(children: children.rewrite(r))]
+    case let .bulletedList(isTight, items):
+      try [
+        .bulletedList(
+          isTight: isTight,
+          items: items.map {
+            try RawListItem(children: $0.children.rewrite(r))
+          }
+        ),
+      ]
+    case let .numberedList(isTight, start, items):
+      try [
+        .numberedList(
+          isTight: isTight,
+          start: start,
+          items: items.map {
+            try RawListItem(children: $0.children.rewrite(r))
+          }
+        ),
+      ]
+    case let .taskList(isTight, items):
+      try [
+        .taskList(
+          isTight: isTight,
+          items: items.map {
+            try RawTaskListItem(isCompleted: $0.isCompleted, children: $0.children.rewrite(r))
+          }
+        ),
+      ]
+    case let .paragraph(content):
+      try [.paragraph(content: content.rewrite(r))]
+    case let .heading(level, content):
+      try [.heading(level: level, content: content.rewrite(r))]
+    case let .table(columnAlignments, rows):
+      try [
+        .table(
+          columnAlignments: columnAlignments,
+          rows: rows.map {
+            try RawTableRow(
+              cells: $0.cells.map {
+                try RawTableCell(content: $0.content.rewrite(r))
+              }
+            )
+          }
+        ),
+      ]
+    default:
+      [self]
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode.swift
new file mode 100644
index 0000000000..1115c3c853
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/BlockNode/BlockNode.swift
@@ -0,0 +1,85 @@
+import Foundation
+
+public enum BlockNode: Hashable, Equatable, Codable {
+  case blockquote(children: [BlockNode])
+  case bulletedList(isTight: Bool, items: [RawListItem])
+  case numberedList(isTight: Bool, start: Int, items: [RawListItem])
+  case taskList(isTight: Bool, items: [RawTaskListItem])
+  case codeBlock(fenceInfo: String?, content: String)
+//    case htmlBlock(content: String)
+  case paragraph(content: [InlineNode])
+  case heading(level: Int, content: [InlineNode])
+  case table(columnAlignments: [RawTableColumnAlignment], rows: [RawTableRow])
+  case thematicBreak
+//
+//    public var typeIdentifier: String {
+//        switch self {
+//        case .blockquote:
+//            "blockquote"
+//        case .bulletedList:
+//            "bulletedList"
+//        case .numberedList:
+//            "numberedList"
+//        case .taskList:
+//            "taskList"
+//        case .codeBlock:
+//            "codeBlock"
+//        case .htmlBlock:
+//            "htmlBlock"
+//        case .paragraph:
+//            "paragraph"
+//        case .heading:
+//            "heading"
+//        case .table:
+//            "table"
+//        case .thematicBreak:
+//            "thematicBreak"
+//        }
+//    }
+}
+
+extension BlockNode {
+  var children: [BlockNode] {
+    switch self {
+    case let .blockquote(children):
+      children
+    case let .bulletedList(_, items):
+      items.map(\.children).flatMap(\.self)
+    case let .numberedList(_, _, items):
+      items.map(\.children).flatMap(\.self)
+    case let .taskList(_, items):
+      items.map(\.children).flatMap(\.self)
+    default:
+      []
+    }
+  }
+
+  var isParagraph: Bool {
+    guard case .paragraph = self else { return false }
+    return true
+  }
+}
+
+public struct RawListItem: Hashable, Equatable, Codable {
+  public let children: [BlockNode]
+}
+
+public struct RawTaskListItem: Hashable, Equatable, Codable {
+  public let isCompleted: Bool
+  public let children: [BlockNode]
+}
+
+public enum RawTableColumnAlignment: Character, Equatable, Codable {
+  case none = "\0"
+  case left = "l"
+  case center = "c"
+  case right = "r"
+}
+
+public struct RawTableRow: Hashable, Equatable, Codable {
+  public let cells: [RawTableCell]
+}
+
+public struct RawTableCell: Hashable, Equatable, Codable {
+  public let content: [InlineNode]
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Collect.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Collect.swift
new file mode 100644
index 0000000000..07d6fa4846
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Collect.swift
@@ -0,0 +1,13 @@
+import Foundation
+
+extension Sequence {
+  func collect(_ c: (InlineNode) throws -> [Result]) rethrows -> [Result] {
+    try flatMap { try $0.collect(c) }
+  }
+}
+
+extension InlineNode {
+  func collect(_ c: (InlineNode) throws -> [Result]) rethrows -> [Result] {
+    try children.collect(c) + c(self)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Rewrite.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Rewrite.swift
new file mode 100644
index 0000000000..6b75897983
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode+Rewrite.swift
@@ -0,0 +1,15 @@
+import Foundation
+
+extension Sequence {
+  func rewrite(_ r: (InlineNode) throws -> [InlineNode]) rethrows -> [InlineNode] {
+    try flatMap { try $0.rewrite(r) }
+  }
+}
+
+extension InlineNode {
+  func rewrite(_ r: (InlineNode) throws -> [InlineNode]) rethrows -> [InlineNode] {
+    var inline = self
+    inline.children = try children.rewrite(r)
+    return try r(inline)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode.swift
new file mode 100644
index 0000000000..7352ae5642
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/InlineNode/InlineNode.swift
@@ -0,0 +1,52 @@
+import Foundation
+
+public enum InlineNode: Hashable, Sendable, Equatable, Codable {
+  case text(String)
+  case softBreak
+  case lineBreak
+  case code(String)
+  case html(String)
+  case emphasis(children: [InlineNode])
+  case strong(children: [InlineNode])
+  case strikethrough(children: [InlineNode])
+  case link(destination: String, children: [InlineNode])
+  case image(source: String, children: [InlineNode])
+}
+
+extension InlineNode {
+  var children: [InlineNode] {
+    get {
+      switch self {
+      case let .emphasis(children):
+        children
+      case let .strong(children):
+        children
+      case let .strikethrough(children):
+        children
+      case let .link(_, children):
+        children
+      case let .image(_, children):
+        children
+      default:
+        []
+      }
+    }
+
+    set {
+      switch self {
+      case .emphasis:
+        self = .emphasis(children: newValue)
+      case .strong:
+        self = .strong(children: newValue)
+      case .strikethrough:
+        self = .strikethrough(children: newValue)
+      case let .link(destination, _):
+        self = .link(destination: destination, children: newValue)
+      case let .image(source, _):
+        self = .image(source: source, children: newValue)
+      default:
+        break
+      }
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Delegate.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Delegate.swift
new file mode 100644
index 0000000000..89cb30a86a
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Delegate.swift
@@ -0,0 +1,14 @@
+//
+//  MarkdownParser+Delegate.swift
+//  FlowMarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+
+public extension MarkdownParser {
+  protocol Delegate: AnyObject {
+    func updateBlockNodes(_ blockNodes: [BlockNode])
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Node.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Node.swift
new file mode 100644
index 0000000000..fe5eedde24
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Node.swift
@@ -0,0 +1,22 @@
+//
+//  MarkdownParser+Node.swift
+//  FlowMarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import cmark_gfm
+import cmark_gfm_extensions
+import Foundation
+
+extension MarkdownParser {
+  func dumpBlocks(root: UnsafeNode?) {
+    guard let root else {
+      assertionFailure()
+      return
+    }
+    assert(root.pointee.type == CMARK_NODE_DOCUMENT.rawValue)
+
+    blocks = root.children.compactMap(BlockNode.init(unsafeNode:))
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Setup.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Setup.swift
new file mode 100644
index 0000000000..adf584d21b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser+Setup.swift
@@ -0,0 +1,25 @@
+//
+//  MarkdownParser+Setup.swift
+//  FlowMarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import cmark_gfm
+import cmark_gfm_extensions
+
+import Foundation
+
+extension MarkdownParser {
+  func setupExtensions(parser: UnsafeMutablePointer) {
+    cmark_gfm_core_extensions_ensure_registered()
+    let extensionNames = ["autolink", "strikethrough", "tagfilter", "tasklist", "table"]
+    for extensionName in extensionNames {
+      guard let syntaxExtension = cmark_find_syntax_extension(extensionName) else {
+        assertionFailure()
+        continue
+      }
+      cmark_parser_attach_syntax_extension(parser, syntaxExtension)
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser.swift
new file mode 100644
index 0000000000..08de046f88
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/MarkdownParser/MarkdownParser.swift
@@ -0,0 +1,34 @@
+//
+//  MarkdownParser.swift
+//  FlowMarkdownView
+//
+//  Created by 秋星桥 on 2025/1/2.
+//
+
+import cmark_gfm
+import cmark_gfm_extensions
+import Foundation
+
+public class MarkdownParser {
+  public internal(set) var blocks: [BlockNode] = [] {
+    didSet { delegate?.updateBlockNodes(blocks) }
+  }
+
+  public weak var delegate: Delegate?
+  var currentDoc = String()
+
+  public init() {}
+
+  @discardableResult
+  public func feed(_ text: String) -> [BlockNode] {
+    currentDoc += text
+    let parser = cmark_parser_new(CMARK_OPT_DEFAULT)!
+    defer { cmark_parser_free(parser) }
+    setupExtensions(parser: parser)
+    cmark_parser_feed(parser, currentDoc, currentDoc.utf8.count)
+    let node = cmark_parser_finish(parser)
+    defer { cmark_node_free(node) }
+    dumpBlocks(root: node)
+    return blocks
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Converters.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Converters.swift
new file mode 100644
index 0000000000..56cdb687d1
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Converters.swift
@@ -0,0 +1,289 @@
+import cmark_gfm
+import cmark_gfm_extensions
+import Foundation
+
+typealias UnsafeNode = UnsafeMutablePointer
+
+extension BlockNode {
+  init?(unsafeNode: UnsafeNode) {
+    switch unsafeNode.nodeType {
+    case .blockquote:
+      self = .blockquote(children: unsafeNode.children.compactMap(BlockNode.init(unsafeNode:)))
+    case .list:
+      if unsafeNode.children.contains(where: \.isTaskListItem) {
+        self = .taskList(
+          isTight: unsafeNode.isTightList,
+          items: unsafeNode.children.map(RawTaskListItem.init(unsafeNode:))
+        )
+      } else {
+        switch unsafeNode.listType {
+        case CMARK_BULLET_LIST:
+          self = .bulletedList(
+            isTight: unsafeNode.isTightList,
+            items: unsafeNode.children.map(RawListItem.init(unsafeNode:))
+          )
+        case CMARK_ORDERED_LIST:
+          self = .numberedList(
+            isTight: unsafeNode.isTightList,
+            start: unsafeNode.listStart,
+            items: unsafeNode.children.map(RawListItem.init(unsafeNode:))
+          )
+        default:
+          fatalError("cmark reported a list node without a list type.")
+        }
+      }
+    case .codeBlock:
+      self = .codeBlock(fenceInfo: unsafeNode.fenceInfo, content: unsafeNode.literal ?? "")
+    case .htmlBlock:
+//            self = .htmlBlock(content: unsafeNode.literal ?? "")
+      self = .codeBlock(fenceInfo: "html", content: unsafeNode.literal ?? "")
+    case .paragraph:
+      self = .paragraph(content: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:)))
+    case .heading:
+      self = .heading(
+        level: unsafeNode.headingLevel,
+        content: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:))
+      )
+    case .table:
+      self = .table(
+        columnAlignments: unsafeNode.tableAlignments,
+        rows: unsafeNode.children.map(RawTableRow.init(unsafeNode:))
+      )
+    case .thematicBreak:
+      self = .thematicBreak
+    default:
+      assertionFailure("Unhandled node type '\(unsafeNode.nodeType)' in BlockNode.")
+      return nil
+    }
+  }
+}
+
+extension RawListItem {
+  init(unsafeNode: UnsafeNode) {
+    guard unsafeNode.nodeType == .item else {
+      fatalError("Expected a list item but got a '\(unsafeNode.nodeType)' instead.")
+    }
+    self.init(children: unsafeNode.children.compactMap(BlockNode.init(unsafeNode:)))
+  }
+}
+
+extension RawTaskListItem {
+  init(unsafeNode: UnsafeNode) {
+    guard unsafeNode.nodeType == .taskListItem || unsafeNode.nodeType == .item else {
+      fatalError("Expected a list item but got a '\(unsafeNode.nodeType)' instead.")
+    }
+    self.init(
+      isCompleted: unsafeNode.isTaskListItemChecked,
+      children: unsafeNode.children.compactMap(BlockNode.init(unsafeNode:))
+    )
+  }
+}
+
+extension RawTableRow {
+  init(unsafeNode: UnsafeNode) {
+    guard unsafeNode.nodeType == .tableRow || unsafeNode.nodeType == .tableHead else {
+      fatalError("Expected a table row but got a '\(unsafeNode.nodeType)' instead.")
+    }
+    self.init(cells: unsafeNode.children.map(RawTableCell.init(unsafeNode:)))
+  }
+}
+
+extension RawTableCell {
+  init(unsafeNode: UnsafeNode) {
+    guard unsafeNode.nodeType == .tableCell else {
+      fatalError("Expected a table cell but got a '\(unsafeNode.nodeType)' instead.")
+    }
+    self.init(content: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:)))
+  }
+}
+
+extension InlineNode {
+  init?(unsafeNode: UnsafeNode) {
+    switch unsafeNode.nodeType {
+    case .text:
+      self = .text(unsafeNode.literal ?? "")
+    case .softBreak:
+      self = .softBreak
+    case .lineBreak:
+      self = .lineBreak
+    case .code:
+      self = .code(unsafeNode.literal ?? "")
+    case .html:
+      self = .html(unsafeNode.literal ?? "")
+    case .emphasis:
+      self = .emphasis(children: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:)))
+    case .strong:
+      self = .strong(children: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:)))
+    case .strikethrough:
+      self = .strikethrough(children: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:)))
+    case .link:
+      self = .link(
+        destination: unsafeNode.url ?? "",
+        children: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:))
+      )
+    case .image:
+      self = .image(
+        source: unsafeNode.url ?? "",
+        children: unsafeNode.children.compactMap(InlineNode.init(unsafeNode:))
+      )
+    default:
+      assertionFailure("Unhandled node type '\(unsafeNode.nodeType)' in InlineNode.")
+      return nil
+    }
+  }
+}
+
+extension UnsafeNode {
+  var nodeType: NodeType {
+    let typeString = String(cString: cmark_node_get_type_string(self))
+    guard let nodeType = NodeType(rawValue: typeString) else {
+      fatalError("Unknown node type '\(typeString)' found.")
+    }
+    return nodeType
+  }
+
+  var children: UnsafeNodeSequence {
+    .init(cmark_node_first_child(self))
+  }
+
+  var literal: String? {
+    cmark_node_get_literal(self).map(String.init(cString:))
+  }
+
+  var url: String? {
+    cmark_node_get_url(self).map(String.init(cString:))
+  }
+
+  var isTaskListItem: Bool {
+    nodeType == .taskListItem
+  }
+
+  var listType: cmark_list_type {
+    cmark_node_get_list_type(self)
+  }
+
+  var listStart: Int {
+    Int(cmark_node_get_list_start(self))
+  }
+
+  var isTaskListItemChecked: Bool {
+    cmark_gfm_extensions_get_tasklist_item_checked(self)
+  }
+
+  var isTightList: Bool {
+    cmark_node_get_list_tight(self) != 0
+  }
+
+  var fenceInfo: String? {
+    cmark_node_get_fence_info(self).map(String.init(cString:))
+  }
+
+  var headingLevel: Int {
+    Int(cmark_node_get_heading_level(self))
+  }
+
+  var tableColumns: Int {
+    Int(cmark_gfm_extensions_get_table_columns(self))
+  }
+
+  var tableAlignments: [RawTableColumnAlignment] {
+    (0 ..< tableColumns).map { column in
+      let ascii = cmark_gfm_extensions_get_table_alignments(self)[column]
+      let scalar = UnicodeScalar(ascii)
+      let character = Character(scalar)
+      return .init(rawValue: character) ?? .none
+    }
+  }
+}
+
+enum NodeType: String {
+  case document
+  case blockquote = "block_quote"
+  case list
+  case item
+  case codeBlock = "code_block"
+  case htmlBlock = "html_block"
+  case customBlock = "custom_block"
+  case paragraph
+  case heading
+  case thematicBreak = "thematic_break"
+  case text
+  case softBreak = "softbreak"
+  case lineBreak = "linebreak"
+  case code
+  case html = "html_inline"
+  case customInline = "custom_inline"
+  case emphasis = "emph"
+  case strong
+  case link
+  case image
+  case inlineAttributes = "attribute"
+  case none = "NONE"
+  case unknown = ""
+
+  // Extensions
+
+  case strikethrough
+  case table
+  case tableHead = "table_header"
+  case tableRow = "table_row"
+  case tableCell = "table_cell"
+  case taskListItem = "tasklist"
+}
+
+struct UnsafeNodeSequence: Sequence {
+  struct Iterator: IteratorProtocol {
+    var node: UnsafeNode?
+
+    init(_ node: UnsafeNode?) {
+      self.node = node
+    }
+
+    mutating func next() -> UnsafeNode? {
+      guard let node else { return nil }
+      defer { self.node = cmark_node_next(node) }
+      return node
+    }
+  }
+
+  let node: UnsafeNode?
+
+  init(_ node: UnsafeNode?) {
+    self.node = node
+  }
+
+  func makeIterator() -> Iterator {
+    .init(node)
+  }
+}
+
+// Extension node types are not exported in `cmark_gfm_extensions`,
+// so we need to look for them in the symbol table
+struct ExtensionNodeTypes {
+  let CMARK_NODE_TABLE: cmark_node_type
+  let CMARK_NODE_TABLE_ROW: cmark_node_type
+  let CMARK_NODE_TABLE_CELL: cmark_node_type
+  let CMARK_NODE_STRIKETHROUGH: cmark_node_type
+
+  static let shared = ExtensionNodeTypes()
+
+  init() {
+    func findNodeType(_ name: String, in handle: UnsafeMutableRawPointer!) -> cmark_node_type? {
+      guard let symbol = dlsym(handle, name) else {
+        return nil
+      }
+      return symbol.assumingMemoryBound(to: cmark_node_type.self).pointee
+    }
+
+    let handle = dlopen(nil, RTLD_LAZY)
+
+    CMARK_NODE_TABLE = findNodeType("CMARK_NODE_TABLE", in: handle) ?? CMARK_NODE_NONE
+    CMARK_NODE_TABLE_ROW = findNodeType("CMARK_NODE_TABLE_ROW", in: handle) ?? CMARK_NODE_NONE
+    CMARK_NODE_TABLE_CELL =
+      findNodeType("CMARK_NODE_TABLE_CELL", in: handle) ?? CMARK_NODE_NONE
+    CMARK_NODE_STRIKETHROUGH =
+      findNodeType("CMARK_NODE_STRIKETHROUGH", in: handle) ?? CMARK_NODE_NONE
+
+    dlclose(handle)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Ext+Array.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Ext+Array.swift
new file mode 100644
index 0000000000..ff19cb1973
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownParser/Utils/Ext+Array.swift
@@ -0,0 +1,15 @@
+//
+//  Ext+Array.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+
+extension Array {
+  subscript(safe index: Int) -> Element? {
+    guard index >= 0, index < count else { return nil }
+    return self[index]
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BlockquoteView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BlockquoteView.swift
new file mode 100644
index 0000000000..4ee0be808f
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BlockquoteView.swift
@@ -0,0 +1,111 @@
+//
+//  BlockquoteView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class BlockquoteView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let backgroundView = UIView()
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(backgroundView)
+    backgroundView.backgroundColor = .gray.withAlphaComponent(0.05)
+    backgroundView.layer.cornerRadius = 8
+    backgroundView.clipsToBounds = true
+    backgroundView.layer.masksToBounds = true
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    backgroundView.frame = bounds
+    childrenViews.first?.frame = manifest.childrenGroupRect
+    childrenContainer.frame = bounds
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension BlockquoteView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var childrenGroupWidth: CGFloat {
+      max(0, size.width - spacings.general * 2)
+    }
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth + spacings.general * 2
+    }
+
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenGroupRect: CGRect = .zero
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .blockquote(children) = block else {
+        assertionFailure()
+        return
+      }
+      childrenGroup.setChildren(nodes: children)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(childrenGroupWidth)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      childrenGroup.layoutIfNeeded()
+      size.height = childrenGroup.size.height + spacings.general * 2
+      childrenGroupRect = CGRect(
+        x: spacings.general,
+        y: spacings.general,
+        width: childrenGroup.size.width,
+        height: childrenGroup.size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      BlockquoteView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedItemView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedItemView.swift
new file mode 100644
index 0000000000..c65dd58c34
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedItemView.swift
@@ -0,0 +1,118 @@
+//
+//  BulletedItemView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class BulletedItemView: BlockView {
+  let bulletedIcon = CircleView()
+  var manifest: Manifest { _manifest as! Manifest }
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(bulletedIcon)
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    bulletedIcon.frame = manifest.iconRect
+    childrenViews.first?.frame = manifest.childrenRect
+    childrenContainer.frame = bounds
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension BulletedItemView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth + iconLayoutGuideRect.width
+    }
+
+    var iconLayoutGuideRect: CGRect {
+      .init(x: 0, y: 0, width: sizes.bullet + spacings.list, height: fonts.body.baseLineHeight)
+    }
+
+    var iconRect: CGRect = .zero
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenRect: CGRect = .zero
+
+    var childrenGroupWidth: CGFloat {
+      max(0, size.width - iconLayoutGuideRect.width)
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    func load(block _: BlockNode) {
+      assertionFailure("should not be called")
+    }
+
+    func setItems(_ items: RawListItem) {
+      dirty = true
+      childrenGroup.setChildren(nodes: items.children)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(childrenGroupWidth)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let iconLayoutGuideRect = iconLayoutGuideRect
+
+      childrenGroup.layoutIfNeeded()
+      size.height = max(iconLayoutGuideRect.height, childrenGroup.size.height)
+      iconRect = CGRect(
+        x: 0,
+        y: (iconLayoutGuideRect.height - sizes.bullet) / 2,
+        width: sizes.bullet,
+        height: sizes.bullet
+      )
+      childrenRect = CGRect(
+        x: iconLayoutGuideRect.maxX,
+        y: 0,
+        width: childrenGroup.size.width,
+        height: childrenGroup.size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      BulletedItemView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedListView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedListView.swift
new file mode 100644
index 0000000000..371755465c
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/BulletedListView.swift
@@ -0,0 +1,106 @@
+//
+//  BulletedListView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class BulletedListView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenViews.first?.frame = manifest.childrenGroupRect
+    childrenContainer.frame = bounds
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension BulletedListView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenGroupRect: CGRect = .zero
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .bulletedList(_, items) = block else {
+        assertionFailure()
+        return
+      }
+      childrenGroup.setChildren(manifests: items.map { listItem in
+        let manifest = BulletedItemView.Manifest()
+        manifest.setItems(listItem)
+        return manifest
+      })
+      childrenGroup.setLayoutWidth(size.width)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(width)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      childrenGroup.layoutIfNeeded()
+      size.height = childrenGroup.size.height
+      childrenGroupRect = CGRect(
+        x: 0,
+        y: 0,
+        width: size.width,
+        height: size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      BulletedListView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/CodeBlockView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/CodeBlockView.swift
new file mode 100644
index 0000000000..b3cbcf1c11
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/CodeBlockView.swift
@@ -0,0 +1,197 @@
+//
+//  CodeBlockView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import Splash
+import UIKit
+
+class CodeBlockView: BlockView {
+  let backgroundView = UIView()
+  let fenceView = UIView()
+  let fenceLabel = TextLabel()
+  let fenceCopyButton = UIButton()
+  let scrollView = UIScrollView()
+  let codeTextView = TextLabel()
+
+  var manifest: Manifest { _manifest as! Manifest }
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    clipsToBounds = true
+    layer.cornerRadius = 8
+    layer.masksToBounds = true
+
+    addSubview(backgroundView)
+    backgroundView.backgroundColor = .gray.withAlphaComponent(0.05)
+
+    addSubview(fenceView)
+    fenceView.backgroundColor = .gray.withAlphaComponent(0.05)
+
+    addSubview(fenceCopyButton)
+    fenceCopyButton.setImage(UIImage(systemName: "doc.on.doc"), for: .normal)
+    fenceCopyButton.tintColor = .label
+    fenceCopyButton.addTarget(self, action: #selector(copyButtonTapped), for: .touchUpInside)
+    fenceCopyButton.imageView?.contentMode = .scaleAspectFit
+
+    addSubview(fenceLabel)
+    fenceLabel.isSelectable = false
+    fenceLabel.textColor = .label
+    fenceLabel.font = .preferredFont(forTextStyle: .caption1)
+    fenceLabel.textAlignment = .left
+
+    addSubview(scrollView)
+    scrollView.showsVerticalScrollIndicator = false
+    scrollView.showsHorizontalScrollIndicator = false
+    scrollView.addSubview(codeTextView)
+
+    scrollView.clipsToBounds = false
+    scrollView.layer.masksToBounds = false
+    scrollView.bringSubviewToFront(codeTextView)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    backgroundView.frame = bounds
+    fenceView.frame = manifest.fenceRect
+    fenceLabel.frame = manifest.fenceLabelRect
+    fenceCopyButton.frame = manifest.fenceCopyButtonRect
+    scrollView.frame = manifest.scrollRect
+    codeTextView.frame = manifest.codeContentRect
+    scrollView.contentSize = manifest.scrollableContentSize
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    fenceLabel.attributedText = manifest.fenceInfo
+    codeTextView.attributedText = manifest.content
+  }
+
+  @objc func copyButtonTapped() {
+    UIPasteboard.general.string = manifest.content.string
+    fenceCopyButton.setImage(UIImage(systemName: "checkmark"), for: .normal)
+    NSObject.cancelPreviousPerformRequests(withTarget: self, selector: #selector(setButtonImageBack), object: nil)
+    perform(#selector(setButtonImageBack), with: nil, afterDelay: 1)
+  }
+
+  @objc func setButtonImageBack() {
+    fenceCopyButton.setImage(UIImage(systemName: "doc.on.doc"), for: .normal)
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension CodeBlockView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      content.measureWidth() + spacings.general * 4
+    }
+
+    var fenceInfo: NSAttributedString = .init()
+    var content: NSAttributedString = .init()
+
+    var fenceRect: CGRect = .zero
+    var fenceCopyButtonRect: CGRect = .zero
+    var fenceLabelRect: CGRect = .zero
+    var scrollRect: CGRect = .zero
+    var codeContentRect: CGRect = .zero
+    var scrollableContentSize: CGSize = .zero
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .codeBlock(info, content) = block else {
+        assertionFailure()
+        return
+      }
+      var infoText: String = info ?? ""
+      infoText = infoText.trimmingCharacters(in: .whitespacesAndNewlines)
+      if infoText.isEmpty { infoText = "#" }
+      fenceInfo = NSAttributedString(string: infoText, attributes: [
+        .font: theme.fonts.code,
+        .foregroundColor: theme.colors.body,
+        .originalFont: theme.fonts.code,
+      ])
+      let code = content.trimmingCharacters(in: .whitespacesAndNewlines)
+      let codeTheme = theme.codeTheme(withFont: theme.fonts.code)
+      let output = AttributedStringOutputFormat(theme: codeTheme)
+      let result: NSMutableAttributedString?
+      switch info?.lowercased() {
+      case "swift":
+        let splash = SyntaxHighlighter(format: output, grammar: SwiftGrammar())
+        result = splash.highlight(code).mutableCopy() as? NSMutableAttributedString
+      default:
+        let splash = SyntaxHighlighter(format: output)
+        result = splash.highlight(code).mutableCopy() as? NSMutableAttributedString
+      }
+      let defaultAttrs: [NSAttributedString.Key: Any] = [
+        .font: theme.fonts.code,
+        .originalFont: theme.fonts.code,
+      ]
+      result?.addAttributes(defaultAttrs, range: NSRange(location: 0, length: result?.length ?? 0))
+      self.content = result ?? .init(string: code, attributes: defaultAttrs)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let fenceLabelHeight = fenceInfo.measureHeight(usingWidth: .greatestFiniteMagnitude)
+      let fenceHeight = fenceLabelHeight + spacings.general * 2
+      let fenceCopyButtonSize = fenceLabelHeight
+      fenceRect = CGRect(
+        x: 0,
+        y: 0,
+        width: size.width,
+        height: fenceHeight
+      )
+      fenceLabelRect = .init(
+        x: spacings.general,
+        y: spacings.general,
+        width: size.width - fenceCopyButtonSize - spacings.general * 2,
+        height: fenceLabelHeight
+      )
+      fenceCopyButtonRect = .init(
+        x: size.width - fenceCopyButtonSize - spacings.general,
+        y: fenceLabelRect.minY,
+        width: fenceCopyButtonSize,
+        height: fenceCopyButtonSize
+      )
+      let contentWidth = content.measureWidth()
+      let contentHeight = content.measureHeight(usingWidth: .greatestFiniteMagnitude)
+      scrollRect = .init(
+        x: 0,
+        y: fenceRect.maxY,
+        width: size.width,
+        height: contentHeight + spacings.general * 2
+      )
+      size.height = scrollRect.maxY
+      codeContentRect = .init(
+        x: spacings.general,
+        y: spacings.general,
+        width: contentWidth + spacings.general * 2,
+        height: contentHeight
+      )
+      scrollableContentSize = .init(
+        width: codeContentRect.maxX + spacings.general,
+        height: codeContentRect.maxY + spacings.general
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      CodeBlockView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/GroupBlockView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/GroupBlockView.swift
new file mode 100644
index 0000000000..9d7f1a7977
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/GroupBlockView.swift
@@ -0,0 +1,142 @@
+//
+//  GroupBlockView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class GroupBlockView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenContainer.frame = bounds
+    for (index, view) in childrenViews.enumerated() {
+      view.frame = manifest.children[index].rect
+    }
+  }
+
+  override func viewDidUpdate() {
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: manifest.children.map(\.manifest)
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension GroupBlockView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      children.map(\.manifest.intrinsicWidth).max() ?? 0
+    }
+
+    var overrideGroupSpacing: CGFloat? = nil {
+      didSet { dirty = true }
+    }
+
+    var spacing: CGFloat {
+      if let overrideGroupSpacing { return overrideGroupSpacing }
+      return theme.spacings.general
+    }
+
+    required init() {}
+
+    func load(block _: BlockNode) {
+      assertionFailure("should not be called")
+    }
+
+    var children: [Child] = [] {
+      didSet { dirty = true }
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      children.forEach { $0.manifest.setLayoutWidth(width) }
+    }
+
+    func setChildren(manifests: [AnyBlockManifest]) {
+      dirty = true
+      children = manifests.map { Child(manifest: $0) }
+    }
+
+    func setChildren(nodes: [BlockNode]) {
+      setChildren(manifests: nodes.map { $0.manifest(theme: theme) })
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      children.forEach { $0.manifest.setLayoutTheme(theme) }
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      var anchor: CGFloat = 0
+      for child in children {
+        child.manifest.setLayoutWidth(size.width)
+        child.manifest.layoutIfNeeded()
+        child.rect = CGRect(
+          x: 0,
+          y: anchor + spacing,
+          width: child.manifest.size.width,
+          height: child.manifest.size.height
+        )
+        anchor = child.rect.maxY
+      }
+      size.height = anchor
+    }
+
+    func determineViewType() -> BlockView.Type {
+      GroupBlockView.self
+    }
+  }
+}
+
+extension GroupBlockView.Manifest {
+  class Child {
+    let manifest: AnyBlockManifest
+    var rect: CGRect
+
+    init(manifest: AnyBlockManifest, rect: CGRect = .zero) {
+      self.manifest = manifest
+      self.rect = rect
+    }
+  }
+
+  func build(reusingChildren: [Child], forManifests manifests: [AnyBlockManifest]) -> [Child] {
+    var ans = [Child]()
+    for idx in manifests.indices {
+      let manifest = manifests[idx]
+      if let child = reusingChildren[safe: idx], type(of: child.manifest) == type(of: manifest) {
+        ans.append(child)
+      } else {
+        ans.append(Child(manifest: manifest))
+      }
+    }
+    return ans
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HTMLBlockView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HTMLBlockView.swift
new file mode 100644
index 0000000000..4c4e2cec4a
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HTMLBlockView.swift
@@ -0,0 +1,90 @@
+////
+////  HTMLBlockView.swift
+////  MarkdownView
+////
+////  Created by 秋星桥 on 2025/1/3.
+////
+//
+// import Foundation
+// import MarkdownParser
+// import UIKit
+//
+// class HTMLBlockView: BlockView {
+//    let text = TextView()
+//    var manifest: Manifest { _manifest as! Manifest }
+//
+//    override func viewDidLoad() {
+//        super.viewDidLoad()
+//        addSubview(text)
+//        text.isEditable = false
+//        text.isSelectable = true
+//        text.isScrollEnabled = false
+//    }
+//
+//    override func viewDidLayout() {
+//        super.viewDidLayout()
+//        text.frame = manifest.contentRect
+//    }
+//
+//    override func viewDidUpdate() {
+//        super.viewDidUpdate()
+//        text.attributedText = manifest.content
+//    }
+//
+//    override func accept(_ manifest: AnyBlockManifest) -> Bool {
+//        manifest is Manifest
+//    }
+// }
+//
+// extension HTMLBlockView {
+//    class Manifest: BlockManifest {
+//        var size: CGSize = .zero
+//        var theme: Theme = .default
+//        var dirty: Bool = true
+//
+//        var intrinsicWidth: CGFloat {
+//            size.width
+//        }
+//
+//        var content: NSMutableAttributedString = .init()
+//        var contentRect: CGRect = .zero
+//
+//        required init() {}
+//
+//        var block: BlockNode? = nil
+//        func load(block: BlockNode) {
+//            guard self.block != block else { return }
+//            dirty = true
+//            self.block = block
+//            guard case let .htmlBlock(contents) = block else {
+//                assertionFailure()
+//                return
+//            }
+//            let htmlData = NSString(string: contents).data(using: String.Encoding.unicode.rawValue)
+//            let options = [NSAttributedString.DocumentReadingOptionKey.documentType: NSAttributedString.DocumentType.html]
+//            let ans = try? NSMutableAttributedString(
+//                data: htmlData ?? Data(),
+//                options: options,
+//                documentAttributes: nil
+//            )
+//            let content = ans ?? .init()
+//            content.addAttributes(
+//                [.originalFont: theme.fonts.body],
+//                range: .init(location: 0, length: content.length)
+//            )
+//            self.content = content
+//        }
+//
+//        func layoutIfNeeded() {
+//            guard dirty, size.width > 0 else { return }
+//            defer { dirty = false }
+//            let textHeight = content.measureHeight(usingWidth: size.width)
+//            contentRect = .init(x: 0, y: 0, width: size.width, height: textHeight)
+//            size.height = textHeight
+//        }
+//
+//        func determineViewType() -> BlockView.Type {
+//            HTMLBlockView.self
+//        }
+//    }
+// }
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HeadingView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HeadingView.swift
new file mode 100644
index 0000000000..ac057c6b7b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/HeadingView.swift
@@ -0,0 +1,87 @@
+//
+//  HeadingView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class HeadingView: BlockView {
+  let text = TextLabel()
+  var manifest: Manifest { _manifest as! Manifest }
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(text)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    text.frame = manifest.contentRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    text.attributedText = manifest.content
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension HeadingView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      size.width
+    }
+
+    var content: NSMutableAttributedString = .init()
+    var contentRect: CGRect = .zero
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .heading(level, inlines) = block else {
+        assertionFailure()
+        return
+      }
+      let attrText = inlines.render(theme: theme)
+      var supposeFont: UIFont = theme.fonts.title
+      if level <= 1 {
+        supposeFont = theme.fonts.largeTitle
+      }
+      attrText.addAttributes(
+        [
+          .font: supposeFont,
+          .originalFont: supposeFont,
+          .foregroundColor: theme.colors.body,
+        ],
+        range: .init(location: 0, length: attrText.length)
+      )
+      content = attrText
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let textHeight = content.measureHeight(usingWidth: size.width)
+      contentRect = .init(x: 0, y: 0, width: size.width, height: textHeight)
+      size.height = textHeight
+    }
+
+    func determineViewType() -> BlockView.Type {
+      HeadingView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedItemView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedItemView.swift
new file mode 100644
index 0000000000..4a6dabc22f
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedItemView.swift
@@ -0,0 +1,138 @@
+//
+//  BulletedItemView 2.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class NumberedItemView: BlockView {
+  let numberView = TextLabel()
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    numberView.textAlignment = .left
+    numberView.font = .preferredFont(forTextStyle: .body)
+    numberView.textColor = .label
+    addSubview(numberView)
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenContainer.frame = bounds
+    numberView.frame = manifest.iconRect
+    childrenViews.first?.frame = manifest.childrenRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    numberView.attributedText = manifest.number
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension NumberedItemView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth + iconLayoutGuideRect.width
+    }
+
+    var number: NSAttributedString = .init()
+    var iconRect: CGRect = .zero
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenRect: CGRect = .zero
+
+    var iconWidth: CGFloat {
+      "99.".size(withAttributes: [.font: theme.fonts.body]).width
+    }
+
+    var iconLayoutGuideRect: CGRect {
+      .init(x: 0, y: 0, width: iconWidth + spacings.list, height: fonts.body.baseLineHeight)
+    }
+
+    var childrenGroupWidth: CGFloat {
+      max(0, size.width - iconLayoutGuideRect.width)
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    func load(block _: BlockNode) {
+      assertionFailure("should not be called")
+    }
+
+    func setNumber(_ number: Int) {
+      dirty = true
+      self.number = NSMutableAttributedString(string: "\(number).", attributes: [
+        .font: theme.fonts.body,
+        .originalFont: theme.fonts.body,
+        .foregroundColor: UIColor.label,
+      ])
+    }
+
+    func setItems(_ items: RawListItem) {
+      dirty = true
+      childrenGroup.setChildren(nodes: items.children)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(childrenGroupWidth)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let iconLayoutGuideRect = iconLayoutGuideRect
+
+      childrenGroup.setLayoutWidth(childrenGroupWidth)
+      childrenGroup.layoutIfNeeded()
+      size.height = max(iconLayoutGuideRect.height, childrenGroup.size.height)
+      iconRect = CGRect(
+        x: 0,
+        y: (iconLayoutGuideRect.height - iconLayoutGuideRect.height) / 2,
+        width: iconWidth,
+        height: iconLayoutGuideRect.height
+      )
+      childrenRect = CGRect(
+        x: iconLayoutGuideRect.maxX,
+        y: 0,
+        width: childrenGroup.size.width,
+        height: childrenGroup.size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      NumberedItemView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedListView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedListView.swift
new file mode 100644
index 0000000000..d94a0479cb
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/NumberedListView.swift
@@ -0,0 +1,110 @@
+//
+//  NumberedListView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class NumberedListView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenContainer.frame = bounds
+    childrenViews.first?.frame = manifest.childrenGroupRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension NumberedListView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenGroupRect: CGRect = .zero
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .numberedList(_, start, items) = block else {
+        assertionFailure()
+        return
+      }
+      var number = start
+      childrenGroup.setChildren(manifests: items.map { listItem in
+        defer { number += 1 }
+        let manifest = NumberedItemView.Manifest()
+        manifest.setNumber(number)
+        manifest.setItems(listItem)
+        return manifest
+      })
+      childrenGroup.setLayoutWidth(size.width)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(width)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      childrenGroup.layoutIfNeeded()
+      size.height = childrenGroup.size.height
+      childrenGroupRect = CGRect(
+        x: 0,
+        y: 0,
+        width: size.width,
+        height: size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      NumberedListView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ParagraphView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ParagraphView.swift
new file mode 100644
index 0000000000..8c4074802e
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ParagraphView.swift
@@ -0,0 +1,74 @@
+//
+//  ParagraphView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class ParagraphView: BlockView {
+  let text = TextLabel()
+  var manifest: Manifest { _manifest as! Manifest }
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(text)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    text.frame = manifest.contentRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    text.attributedText = manifest.content
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension ParagraphView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      content.measureWidth()
+    }
+
+    var content: NSMutableAttributedString = .init()
+    var contentRect: CGRect = .zero
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .paragraph(contents) = block else {
+        assertionFailure()
+        return
+      }
+      content = contents.render(theme: theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let textHeight = content.measureHeight(usingWidth: size.width)
+      contentRect = .init(x: 0, y: 0, width: size.width, height: textHeight)
+      size.height = textHeight
+    }
+
+    func determineViewType() -> BlockView.Type {
+      ParagraphView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockManifest.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockManifest.swift
new file mode 100644
index 0000000000..945e304b9f
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockManifest.swift
@@ -0,0 +1,55 @@
+//
+//  BlockManifest.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+public typealias AnyBlockManifest = any BlockManifest
+
+public protocol BlockManifest: AnyObject {
+  var size: CGSize { get set }
+  var theme: Theme { get set }
+  var dirty: Bool { get set }
+
+  var intrinsicWidth: CGFloat { get }
+
+  init()
+
+  func setLayoutWidth(_ width: CGFloat)
+  func setLayoutTheme(_ theme: Theme)
+  func load(block: BlockNode)
+  func layoutIfNeeded()
+
+  @inline(__always) func determineViewType() -> BlockView.Type
+}
+
+public extension BlockManifest {
+  func setLayoutWidth(_ width: CGFloat) {
+    guard size.width != width else { return }
+    assert(width >= 0)
+    size.width = width
+    size.height = .zero
+    dirty = true
+  }
+
+  func setLayoutTheme(_ theme: Theme) {
+    guard self.theme != theme else { return }
+    self.theme = theme
+    dirty = true
+  }
+
+  func layoutIfNeeded() {
+    dirty = false
+  }
+}
+
+extension BlockManifest {
+  var fonts: Theme.Fonts { theme.fonts }
+  var colors: Theme.Colors { theme.colors }
+  var spacings: Theme.Spacings { theme.spacings }
+  var sizes: Theme.Sizes { theme.sizes }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView+DiffableUpdate.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView+DiffableUpdate.swift
new file mode 100644
index 0000000000..67996c19f0
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView+DiffableUpdate.swift
@@ -0,0 +1,40 @@
+//
+//  BlockView+DiffableUpdate.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+import UIKit
+
+extension UIView {
+  func diffableUpdate(reusingViews blockViews: inout [BlockView], manifests: [AnyBlockManifest]) {
+    for idx in 0 ..< max(blockViews.count, manifests.count) {
+      guard let manifest = manifests[safe: idx] else {
+        if let view = blockViews[safe: idx] {
+          view.removeFromSuperview()
+          blockViews.remove(at: idx)
+        }
+        continue
+      }
+      lazy var view = {
+        let view = manifest.determineViewType().init(manifest: manifest)
+        addSubview(view)
+        return view
+      }()
+      if let currentView = blockViews[safe: idx] {
+        if currentView.accept(manifest) {
+          currentView.set(manifest)
+          continue
+        } else {
+          currentView.removeFromSuperview()
+          blockViews[idx] = view
+        }
+      } else {
+        addSubview(view)
+        blockViews.insert(view, at: idx)
+      }
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView.swift
new file mode 100644
index 0000000000..2b4951b947
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/Supplements/BlockView.swift
@@ -0,0 +1,84 @@
+//
+//  BlockView.swift
+//  FlowMarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+import MarkdownParser
+import UIKit
+
+public class BlockView: UIView {
+  private(set) var _manifest: AnyBlockManifest
+  required init(manifest: AnyBlockManifest) {
+    _manifest = manifest
+    super.init(frame: .zero)
+    backgroundColor = .clear
+
+//        NSLog("[*] \(type(of: self)) was initialized at \(Date()) \(debugDescription)")
+
+    viewDidLoad()
+    viewDidUpdate()
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError()
+  }
+
+  override public func action(for _: CALayer, forKey _: String) -> (any CAAction)? {
+    nil
+  }
+
+  override public func layoutSubviews() {
+    super.layoutSubviews()
+    assert(_manifest.size.width >= 0, "\(type(of: self))'s manifest has invalid size")
+    assert(_manifest.size.height >= 0, "\(type(of: self))'s manifest has invalid size")
+    viewDidLayout()
+  }
+
+  func viewDidLoad() {
+    assert(Thread.isMainThread)
+  }
+
+  func viewDidUpdate() {
+    assert(Thread.isMainThread)
+  }
+
+  func viewDidLayout() {
+    assert(Thread.isMainThread)
+  }
+
+  func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+
+  func set(_ manifest: AnyBlockManifest) {
+    _manifest = manifest
+    viewDidUpdate()
+    setNeedsLayout()
+  }
+}
+
+public extension BlockView {
+  class Manifest: BlockManifest {
+    public var size: CGSize = .zero
+    public var theme: Theme = .default
+    public var dirty: Bool = true
+
+    public var intrinsicWidth: CGFloat { 0 }
+
+    public required init() {}
+
+    public func load(block _: BlockNode) {}
+
+    public func layoutIfNeeded() {
+      dirty = false
+    }
+
+    public func determineViewType() -> BlockView.Type {
+      BlockView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TableView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TableView.swift
new file mode 100644
index 0000000000..577d517b8b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TableView.swift
@@ -0,0 +1,205 @@
+//
+//  TableView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class TableView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+  var childrenViews: [TextLabel] = []
+  let scrollView = UIScrollView()
+  let gridView = GridView()
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    scrollView.isScrollEnabled = true
+    scrollView.contentInset = .zero
+    scrollView.showsVerticalScrollIndicator = false
+    scrollView.showsHorizontalScrollIndicator = false
+    scrollView.alwaysBounceVertical = false
+    scrollView.alwaysBounceHorizontal = false
+    scrollView.clipsToBounds = true
+    scrollView.backgroundColor = .clear
+    addSubview(scrollView)
+    scrollView.addSubview(gridView)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    scrollView.frame = bounds
+
+    let flatCells = manifest.cells.flatMap(\.self)
+    for (index, view) in childrenViews.enumerated() {
+      view.frame = flatCells[index].contentRect
+    }
+    gridView.frame = .init(
+      x: 0,
+      y: 0,
+      width: scrollView.contentSize.width,
+      height: scrollView.contentSize.height
+    )
+
+    scrollView.contentSize = manifest.contentSize
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    let currentCells = childrenViews
+    let targetCells = manifest.cells.flatMap(\.self)
+    for idx in 0 ..< max(currentCells.count, targetCells.count) {
+      if let target = targetCells[safe: idx] {
+        if let current = currentCells[safe: idx] {
+          current.attributedText = target.content
+          current.frame = target.rect
+        } else {
+          let view = TextLabel(frame: target.rect)
+          view.attributedText = target.content
+          scrollView.addSubview(view)
+          childrenViews.append(view)
+        }
+      } else {
+        currentCells[safe: idx]?.removeFromSuperview()
+      }
+    }
+    gridView.lines = manifest.drawLine.map { start, end in
+      .init(start: start, end: end)
+    }
+    scrollView.contentSize = manifest.contentSize
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension TableView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      contentSize.width
+    }
+
+    var cells: [[Cell]] = []
+    var drawLine: [(CGPoint, CGPoint)] = []
+
+    var contentSize: CGSize {
+      let rect = cells.last?.last?.rect ?? .zero
+      return .init(width: rect.maxX, height: rect.maxY)
+    }
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .table(_, rawCells) = block else {
+        assertionFailure()
+        return
+      }
+
+      cells = rawCells.map { row in
+        row.cells.map { cell in
+          let content = cell.content.render(theme: theme)
+          return Cell(content: content, rect: .zero)
+        }
+      }
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let cols = cells.first?.count ?? 0
+      let rows = cells.count
+      drawLine.removeAll()
+
+      guard rows > 0, cols > 0 else {
+        size.height = 0
+        return
+      }
+
+      // first pass calculate intrinsic width of each column to get the width
+      var colWidths: [Int: CGFloat] = [:]
+      var rowHeights: [Int: CGFloat] = [:]
+      for col in 0 ..< cols {
+        for row in 0 ..< rows {
+          let cell = cells[row][col]
+          colWidths[col] = max(colWidths[col] ?? 0, cell.intrinsicSize.width + 32)
+          rowHeights[row] = max(rowHeights[row] ?? 0, cell.intrinsicSize.height + 16)
+        }
+      }
+
+      // now calculate the rects and points
+      var anchorY: CGFloat = 0
+      var linePoints: [CGFloat] = [0]
+      var colPoints: [CGFloat] = [0]
+      for rowIdx in 0 ..< rows {
+        var anchorX: CGFloat = 0
+        let rowHeight = rowHeights[rowIdx] ?? 0
+        linePoints.append(anchorY)
+        for colIdx in 0 ..< cols { // column
+          let colWidth = colWidths[colIdx] ?? 0
+          if rowIdx == 0 { colPoints.append(anchorX) }
+          let rect = CGRect(x: anchorX, y: anchorY, width: colWidth, height: rowHeight)
+          cells[rowIdx][colIdx].rect = rect
+          anchorX = rect.maxX
+        }
+        colPoints.append(anchorX + spacings.general)
+        anchorY += rowHeight
+      }
+      linePoints.append(anchorY)
+
+      for x in colPoints {
+        drawLine.append((CGPoint(x: x, y: 0), CGPoint(x: x, y: linePoints.last ?? 0)))
+      }
+
+      for y in linePoints {
+        drawLine.append((CGPoint(x: 0, y: y), CGPoint(x: colPoints.last ?? 0, y: y)))
+      }
+
+      size.height = contentSize.height
+    }
+
+    func determineViewType() -> BlockView.Type {
+      TableView.self
+    }
+  }
+}
+
+extension TableView.Manifest {
+  class Cell {
+    let content: NSMutableAttributedString
+    var rect: CGRect { didSet { updateContentRect() } }
+    let intrinsicSize: CGSize
+    var contentRect: CGRect
+    init(
+      content: NSMutableAttributedString,
+      rect: CGRect = .zero
+    ) {
+      self.content = content
+      self.rect = rect
+      intrinsicSize = .init(
+        width: content.measureWidth(),
+        height: content.measureHeight(usingWidth: .greatestFiniteMagnitude)
+      )
+      contentRect = .zero
+    }
+
+    func updateContentRect() {
+      contentRect = .init(
+        x: rect.minX + (rect.width - intrinsicSize.width) / 2,
+        y: rect.minY + (rect.height - intrinsicSize.height) / 2,
+        width: intrinsicSize.width,
+        height: intrinsicSize.height
+      )
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskItemView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskItemView.swift
new file mode 100644
index 0000000000..350a0dc87b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskItemView.swift
@@ -0,0 +1,119 @@
+//
+//  TaskItemView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class TaskItemView: BlockView {
+  let bulletedIcon = CircleView()
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(bulletedIcon)
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenContainer.frame = bounds
+    bulletedIcon.frame = manifest.iconRect
+    childrenViews.first?.frame = manifest.childrenRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension TaskItemView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth + iconLayoutGuideRect.width
+    }
+
+    var iconLayoutGuideRect: CGRect {
+      .init(x: 0, y: 0, width: sizes.bullet + spacings.list, height: fonts.body.baseLineHeight)
+    }
+
+    var iconRect: CGRect = .zero
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenRect: CGRect = .zero
+
+    var childrenGroupWidth: CGFloat {
+      max(0, size.width - iconLayoutGuideRect.width)
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    func load(block _: BlockNode) {
+      assertionFailure("should not be called")
+    }
+
+    func setItems(_ items: RawTaskListItem) {
+      dirty = true
+      childrenGroup.setChildren(nodes: items.children)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(childrenGroupWidth)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      let iconLayoutGuideRect = iconLayoutGuideRect
+
+      childrenGroup.layoutIfNeeded()
+      size.height = max(iconLayoutGuideRect.height, childrenGroup.size.height)
+      iconRect = CGRect(
+        x: 0,
+        y: (iconLayoutGuideRect.height - sizes.bullet) / 2,
+        width: sizes.bullet,
+        height: sizes.bullet
+      )
+      childrenRect = CGRect(
+        x: iconLayoutGuideRect.maxX,
+        y: 0,
+        width: childrenGroup.size.width,
+        height: childrenGroup.size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      TaskItemView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskListView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskListView.swift
new file mode 100644
index 0000000000..e33c976fcb
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/TaskListView.swift
@@ -0,0 +1,107 @@
+//
+//  TaskListView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class TaskListView: BlockView {
+  var manifest: Manifest { _manifest as! Manifest }
+
+  let childrenContainer = UIView()
+  var childrenViews: [BlockView] = []
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(childrenContainer)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    childrenContainer.frame = bounds
+    childrenViews.first?.frame = manifest.childrenGroupRect
+  }
+
+  override func viewDidUpdate() {
+    super.viewDidUpdate()
+    childrenContainer.diffableUpdate(
+      reusingViews: &childrenViews,
+      manifests: [manifest.childrenGroup]
+    )
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension TaskListView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      childrenGroup.intrinsicWidth
+    }
+
+    required init() {
+      childrenGroup.overrideGroupSpacing = 0
+    }
+
+    let childrenGroup: GroupBlockView.Manifest = .init()
+    var childrenGroupRect: CGRect = .zero
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case let .taskList(_, items) = block else {
+        assertionFailure()
+        return
+      }
+      childrenGroup.setChildren(manifests: items.map { listItem in
+        let manifest = TaskItemView.Manifest()
+        manifest.setItems(listItem)
+        return manifest
+      })
+      childrenGroup.setLayoutWidth(size.width)
+    }
+
+    func setLayoutWidth(_ width: CGFloat) {
+      guard size.width != width else { return }
+      assert(width >= 0)
+      dirty = true
+      size.width = width
+      childrenGroup.setLayoutWidth(width)
+    }
+
+    func setLayoutTheme(_ theme: Theme) {
+      guard self.theme != theme else { return }
+      dirty = true
+      self.theme = theme
+      childrenGroup.setLayoutTheme(theme)
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      childrenGroup.layoutIfNeeded()
+      size.height = childrenGroup.size.height
+      childrenGroupRect = CGRect(
+        x: 0,
+        y: 0,
+        width: size.width,
+        height: size.height
+      )
+    }
+
+    func determineViewType() -> BlockView.Type {
+      TaskListView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ThematicBreakView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ThematicBreakView.swift
new file mode 100644
index 0000000000..0c7d70864d
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownBlockView/ThematicBreakView.swift
@@ -0,0 +1,63 @@
+//
+//  ThematicBreakView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import MarkdownParser
+import UIKit
+
+class ThematicBreakView: BlockView {
+  let separateView = UIView()
+
+  override func viewDidLoad() {
+    super.viewDidLoad()
+    addSubview(separateView)
+    separateView.backgroundColor = .label.withAlphaComponent(0.1)
+  }
+
+  override func viewDidLayout() {
+    super.viewDidLayout()
+    separateView.frame = bounds
+  }
+
+  override func accept(_ manifest: AnyBlockManifest) -> Bool {
+    manifest is Manifest
+  }
+}
+
+extension ThematicBreakView {
+  class Manifest: BlockManifest {
+    var size: CGSize = .zero
+    var theme: Theme = .default
+    var dirty: Bool = true
+
+    var intrinsicWidth: CGFloat {
+      32
+    }
+
+    required init() {}
+
+    var block: BlockNode? = nil
+    func load(block: BlockNode) {
+      guard self.block != block else { return }
+      dirty = true
+      self.block = block
+      guard case .thematicBreak = block else {
+        assertionFailure()
+        return
+      }
+    }
+
+    func layoutIfNeeded() {
+      guard dirty, size.width > 0 else { return }
+      defer { dirty = false }
+      size.height = 1
+    }
+
+    func determineViewType() -> BlockView.Type {
+      ThematicBreakView.self
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownView/MarkdownView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownView/MarkdownView.swift
new file mode 100644
index 0000000000..c6cd2cda51
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/MarkdownView/MarkdownView.swift
@@ -0,0 +1,44 @@
+// The Swift Programming Language
+// https://docs.swift.org/swift-book
+
+import MarkdownParser
+import UIKit
+
+public class MarkdownView: UIView {
+  public var height: CGFloat = 0
+
+  var blockViews: [BlockView] = []
+
+  public var theme: Theme
+  public init(theme: Theme = .default) {
+    self.theme = theme
+    super.init(frame: .zero)
+    clipsToBounds = true
+  }
+
+  @available(*, unavailable)
+  public required init?(coder _: NSCoder) {
+    fatalError()
+  }
+
+  public func prepareForReuse() {
+    blockViews.forEach { $0.removeFromSuperview() }
+    blockViews.removeAll()
+  }
+
+  public func updateContentViews(_ manifest: [AnyBlockManifest]) {
+    assert(Thread.isMainThread)
+    diffableUpdate(reusingViews: &blockViews, manifests: manifest)
+    var anchorY: CGFloat = 0
+    for view in blockViews {
+      view.frame = CGRect(
+        x: 0,
+        y: anchorY,
+        width: view._manifest.size.width,
+        height: view._manifest.size.height
+      )
+      anchorY = view.frame.maxY + theme.spacings.final
+    }
+    assert(subviews.count == blockViews.count)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/CircleView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/CircleView.swift
new file mode 100644
index 0000000000..164831d90e
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/CircleView.swift
@@ -0,0 +1,25 @@
+//
+//  CircleView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import UIKit
+
+class CircleView: UIView {
+  init() {
+    super.init(frame: .zero)
+    backgroundColor = .label
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError()
+  }
+
+  override func layoutSubviews() {
+    super.layoutSubviews()
+    layer.cornerRadius = (frame.height + frame.width) / 4
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+Array.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+Array.swift
new file mode 100644
index 0000000000..f8892a85f6
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+Array.swift
@@ -0,0 +1,51 @@
+//
+//  Ext+Array.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+
+extension Array {
+  subscript(safe index: Int) -> Element? {
+    guard index >= 0, index < count else { return nil }
+    return self[index]
+  }
+}
+
+private let maxConcurrentDefaultValue: Int = max(1, ProcessInfo.processInfo.processorCount)
+
+extension Array {
+  @inline(__always)
+  func splitInSubArrays(into size: Int) -> [[Element]] {
+    (0 ..< size).map {
+      stride(from: $0, to: count, by: size).map { self[$0] }
+    }
+  }
+
+  func forParallelEach(
+    maxConcurrent: Int = maxConcurrentDefaultValue,
+    block: @escaping (Element) -> Void
+  ) {
+    assert(maxConcurrent > 0)
+    if count < maxConcurrent || maxConcurrent <= 1 {
+      for element in self {
+        block(element)
+      }
+      return
+    }
+
+    let cuts = splitInSubArrays(into: maxConcurrent)
+
+    let group = DispatchGroup()
+    for cut in cuts {
+      group.enter()
+      DispatchQueue.global().async {
+        cut.forEach(block)
+        group.leave()
+      }
+    }
+    group.wait()
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+BlockNode.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+BlockNode.swift
new file mode 100644
index 0000000000..7767ad2afb
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+BlockNode.swift
@@ -0,0 +1,43 @@
+//
+//  Ext+BlockNode.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+import MarkdownParser
+
+public extension BlockNode {
+  var manifestType: BlockManifest.Type {
+    switch self {
+    case .blockquote:
+      BlockquoteView.Manifest.self
+    case .bulletedList:
+      BulletedListView.Manifest.self
+    case .numberedList:
+      NumberedListView.Manifest.self
+    case .taskList:
+      TaskListView.Manifest.self
+    case .codeBlock:
+      CodeBlockView.Manifest.self
+//        case .htmlBlock:
+//            HTMLBlockView.Manifest.self
+    case .paragraph:
+      ParagraphView.Manifest.self
+    case .heading:
+      HeadingView.Manifest.self
+    case .table:
+      TableView.Manifest.self
+    case .thematicBreak:
+      ThematicBreakView.Manifest.self
+    }
+  }
+
+  func manifest(theme: Theme) -> AnyBlockManifest {
+    let object = manifestType.init()
+    object.setLayoutTheme(theme)
+    object.load(block: self)
+    return object
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+DispatchQueue.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+DispatchQueue.swift
new file mode 100644
index 0000000000..92fe2432be
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+DispatchQueue.swift
@@ -0,0 +1,17 @@
+//
+//  Ext+DispatchQueue.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+
+public extension DispatchQueue {
+  static func isCurrent(_ queue: DispatchQueue) -> Bool {
+    let key = DispatchSpecificKey()
+    queue.setSpecific(key: key, value: ())
+    defer { queue.setSpecific(key: key, value: nil) }
+    return DispatchQueue.getSpecific(key: key) != nil
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+InlineNode.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+InlineNode.swift
new file mode 100644
index 0000000000..b7701bb36d
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+InlineNode.swift
@@ -0,0 +1,121 @@
+//
+//  Ext+InlineNode.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+import MarkdownParser
+import UIKit
+
+extension [InlineNode] {
+  func render(theme: Theme) -> NSMutableAttributedString {
+    let result = NSMutableAttributedString()
+    for node in self {
+      result.append(node.render(theme: theme))
+    }
+    return result
+  }
+}
+
+extension InlineNode {
+  func render(theme: Theme) -> NSAttributedString {
+    switch self {
+    case let .text(string):
+      return NSAttributedString(
+        string: string,
+        attributes: [
+          .font: theme.fonts.body,
+          .foregroundColor: theme.colors.body,
+          .originalFont: theme.fonts.body,
+        ]
+      )
+    case .softBreak:
+      return NSAttributedString(string: " ", attributes: [
+        .font: theme.fonts.body,
+        .foregroundColor: theme.colors.body,
+        .originalFont: theme.fonts.body,
+      ])
+    case .lineBreak:
+      return NSAttributedString(string: "\n", attributes: [
+        .font: theme.fonts.body,
+        .foregroundColor: theme.colors.body,
+        .originalFont: theme.fonts.body,
+      ])
+    case let .code(string):
+      return NSAttributedString(
+        string: "\(string)",
+        attributes: [
+          .font: theme.fonts.codeInline,
+          .originalFont: theme.fonts.codeInline,
+          .foregroundColor: theme.colors.code,
+          .backgroundColor: theme.colors.codeBackground.withAlphaComponent(0.05),
+        ]
+      )
+    case let .html(content):
+      return NSAttributedString(
+        string: "\(content)",
+        attributes: [
+          .font: theme.fonts.codeInline,
+          .originalFont: theme.fonts.codeInline,
+          .foregroundColor: theme.colors.code,
+          .backgroundColor: theme.colors.codeBackground.withAlphaComponent(0.05),
+        ]
+      )
+//            let htmlData = NSString(string: content).data(using: String.Encoding.unicode.rawValue)
+//            let options = [NSAttributedString.DocumentReadingOptionKey.documentType: NSAttributedString.DocumentType.html]
+//            let ans = try? NSMutableAttributedString(
+//                data: htmlData ?? Data(),
+//                options: options,
+//                documentAttributes: nil
+//            )
+//            return ans ?? .init()
+    case let .emphasis(children):
+      let ans = NSMutableAttributedString()
+      children.map { $0.render(theme: theme) }.forEach { ans.append($0) }
+      ans.addAttributes(
+        [
+          .underlineStyle: NSUnderlineStyle.thick.rawValue,
+          .underlineColor: theme.colors.emphasis,
+        ],
+        range: NSRange(location: 0, length: ans.length)
+      )
+      return ans
+    case let .strong(children):
+      let ans = NSMutableAttributedString()
+      children.map { $0.render(theme: theme) }.forEach { ans.append($0) }
+      ans.addAttributes(
+        [.font: theme.fonts.bold],
+        range: NSRange(location: 0, length: ans.length)
+      )
+      return ans
+    case let .strikethrough(children):
+      let ans = NSMutableAttributedString()
+      children.map { $0.render(theme: theme) }.forEach { ans.append($0) }
+      ans.addAttributes(
+        [.strikethroughStyle: NSUnderlineStyle.thick.rawValue],
+        range: NSRange(location: 0, length: ans.length)
+      )
+      return ans
+    case let .link(destination, children):
+      let ans = NSMutableAttributedString()
+      children.map { $0.render(theme: theme) }.forEach { ans.append($0) }
+      ans.addAttributes(
+        [.link: destination],
+        range: NSRange(location: 0, length: ans.length)
+      )
+      return ans
+    case let .image(source, _): // children => alternative text can be ignored?
+      return NSAttributedString(
+        string: source,
+        attributes: [
+          .link: source,
+          .font: theme.fonts.body,
+          .originalFont: theme.fonts.body,
+          .foregroundColor: theme.colors.body,
+        ]
+      )
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+NSAttributedString.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+NSAttributedString.swift
new file mode 100644
index 0000000000..26f77bc7b2
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+NSAttributedString.swift
@@ -0,0 +1,83 @@
+//
+//  Ext+NSAttributedString.swift
+//  FlowDown
+//
+//  Created by 秋星桥 on 2025/1/2.
+//
+
+import UIKit
+
+class TextMeasurementHelper {
+  static let shared = TextMeasurementHelper()
+
+  private var textStorage: NSTextStorage
+  private var textContainer: NSTextContainer
+  private var layoutManager: NSLayoutManager
+
+  private let lock = NSLock()
+
+  init() {
+    textStorage = NSTextStorage()
+    textContainer = NSTextContainer(size: CGSize(width: CGFloat.infinity, height: CGFloat.infinity))
+    layoutManager = NSLayoutManager()
+    layoutManager.addTextContainer(textContainer)
+    textStorage.addLayoutManager(layoutManager)
+    textContainer.lineFragmentPadding = 0
+  }
+
+  func measureSize(
+    of attributedString: NSAttributedString,
+    usingWidth width: CGFloat,
+    lineLimit: Int = 0,
+    lineBreakMode: NSLineBreakMode = .byTruncatingTail
+  ) -> CGSize {
+    lock.lock()
+    defer { lock.unlock() }
+
+    textContainer.size = CGSize(width: width, height: .infinity)
+    textContainer.maximumNumberOfLines = lineLimit
+    textContainer.lineBreakMode = lineBreakMode
+    textStorage.beginEditing()
+    textStorage.setAttributedString(attributedString)
+    textStorage.endEditing()
+
+    let size = layoutManager.usedRect(for: textContainer).size
+    return .init(width: ceil(size.width), height: ceil(size.height))
+  }
+}
+
+extension NSAttributedString: @unchecked @retroactive Sendable {}
+
+public extension NSAttributedString {
+  func measureWidth() -> CGFloat {
+    if string.trimmingCharacters(in: .whitespacesAndNewlines).count <= 0 {
+      return 0
+    }
+    return TextMeasurementHelper.shared.measureSize(
+      of: self,
+      usingWidth: .infinity
+    ).width
+  }
+
+  func measureHeight(
+    usingWidth width: CGFloat,
+    lineLimit: Int = 0,
+    lineBreakMode: NSLineBreakMode = .byTruncatingTail
+  ) -> CGFloat {
+    if string.trimmingCharacters(in: .whitespacesAndNewlines).count <= 0 {
+      return 0
+    }
+
+    return TextMeasurementHelper.shared.measureSize(
+      of: self,
+      usingWidth: width,
+      lineLimit: lineLimit,
+      lineBreakMode: lineBreakMode
+    ).height
+  }
+}
+
+public extension NSAttributedString.Key {
+  @inline(__always) static let coreTextRunDelegate = NSAttributedString.Key(rawValue: kCTRunDelegateAttributeName as String)
+  @inline(__always) static let originalFont = NSAttributedString.Key(rawValue: "NSOriginalFont")
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIColor.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIColor.swift
new file mode 100644
index 0000000000..8dc4bf6224
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIColor.swift
@@ -0,0 +1,18 @@
+//
+//  Ext+UIColor.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/7.
+//
+
+import UIKit
+
+extension UIColor {
+  convenience init(light: UIColor, dark: UIColor) {
+    if #available(iOS 13.0, tvOS 13.0, *) {
+      self.init(dynamicProvider: { $0.userInterfaceStyle == .dark ? dark : light })
+    } else {
+      self.init(cgColor: light.cgColor)
+    }
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIFont.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIFont.swift
new file mode 100644
index 0000000000..574acc0453
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Ext+UIFont.swift
@@ -0,0 +1,29 @@
+//
+//  Ext+UIFont.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import UIKit
+
+public extension UIFont {
+  var bold: UIFont {
+    UIFont(descriptor: fontDescriptor.withSymbolicTraits(.traitBold)!, size: 0)
+  }
+
+  var italic: UIFont {
+    UIFont(descriptor: fontDescriptor.withSymbolicTraits(.traitItalic)!, size: 0)
+  }
+
+  var monospaced: UIFont {
+    let settings = [[
+      UIFontDescriptor.FeatureKey.featureIdentifier: kNumberSpacingType,
+      UIFontDescriptor.FeatureKey.typeIdentifier: kMonospacedNumbersSelector,
+    ]]
+
+    let attributes = [UIFontDescriptor.AttributeName.featureSettings: settings]
+    let newDescriptor = fontDescriptor.addingAttributes(attributes)
+    return UIFont(descriptor: newDescriptor, size: 0)
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/GridView.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/GridView.swift
new file mode 100644
index 0000000000..f1df4a5b00
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/GridView.swift
@@ -0,0 +1,64 @@
+//
+//  GridView.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import UIKit
+
+class GridView: UIView {
+  var stokeColor: UIColor = .label.withAlphaComponent(0.25) {
+    didSet {
+      layer.borderWidth = 1
+      layer.borderColor = stokeColor.cgColor
+      setNeedsDisplay()
+    }
+  }
+
+  var lines: [CGPointPair] = [] {
+    didSet { setNeedsDisplay() }
+  }
+
+  init() {
+    super.init(frame: .zero)
+    backgroundColor = .clear
+    layer.borderWidth = 1
+    layer.borderColor = stokeColor.cgColor
+    layer.contentsGravity = .top
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError()
+  }
+
+  override var frame: CGRect {
+    set { UIView.performWithoutAnimation { super.frame = newValue } }
+    get { super.frame }
+  }
+
+  override func draw(_ rect: CGRect) {
+    super.draw(rect)
+
+    guard let context = UIGraphicsGetCurrentContext() else { return }
+
+    context.setStrokeColor(stokeColor.cgColor)
+    context.setLineWidth(1)
+
+    for pathPair in lines {
+      let adjustedStart = CGPoint(x: pathPair.start.x, y: pathPair.start.y)
+      let adjustedEnd = CGPoint(x: pathPair.end.x, y: pathPair.end.y)
+      context.move(to: adjustedStart)
+      context.addLine(to: adjustedEnd)
+    }
+    context.strokePath()
+  }
+}
+
+extension GridView {
+  struct CGPointPair: Equatable {
+    let start: CGPoint
+    let end: CGPoint
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/TextLabel.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/TextLabel.swift
new file mode 100644
index 0000000000..cf252773ad
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/TextLabel.swift
@@ -0,0 +1,53 @@
+//
+//  TextLabel.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/12.
+//
+
+import UIKit
+
+class TextLabel: UITextView {
+  #if DEBUG
+    private var setupCompleted: Bool = false
+  #endif
+
+  override required init(frame: CGRect, textContainer: NSTextContainer?) {
+    super.init(frame: frame, textContainer: textContainer)
+    commitInit()
+  }
+
+  convenience init(frame: CGRect = .zero) {
+    if #available(iOS 16.0, macCatalyst 16.0, *) {
+      self.init(usingTextLayoutManager: false)
+    } else {
+      self.init(frame: frame, textContainer: nil)
+      _ = layoutManager.textContainers
+    }
+    commitInit()
+  }
+
+  func commitInit() {
+    #if DEBUG
+      assert(!setupCompleted)
+      setupCompleted = true
+    #endif
+    showsVerticalScrollIndicator = false
+    showsHorizontalScrollIndicator = false
+    textColor = .label
+    textContainer.lineFragmentPadding = .zero
+    textAlignment = .natural
+    backgroundColor = .clear
+    textContainerInset = .zero
+    textContainer.lineBreakMode = .byTruncatingTail
+    clipsToBounds = false
+    isSelectable = true
+    isScrollEnabled = false
+    isEditable = false
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Theme.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Theme.swift
new file mode 100644
index 0000000000..1eddf7898b
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Sources/MarkdownView/Supplements/Theme.swift
@@ -0,0 +1,121 @@
+//
+//  Theme.swift
+//  MarkdownView
+//
+//  Created by 秋星桥 on 2025/1/3.
+//
+
+import Foundation
+import Splash
+import UIKit
+
+public extension Theme {
+  static var `default`: Theme = .init()
+}
+
+public struct Theme: Equatable {
+  public struct Fonts: Equatable {
+    public var body = UIFont.preferredFont(forTextStyle: .body)
+    public var codeInline = UIFont.monospacedSystemFont(
+      ofSize: UIFont.preferredFont(forTextStyle: .body).pointSize,
+      weight: .regular
+    )
+    public var bold = UIFont.preferredFont(forTextStyle: .body).bold
+    public var italic = UIFont.preferredFont(forTextStyle: .body).italic
+    public var code = UIFont.monospacedSystemFont(
+      ofSize: UIFont.preferredFont(forTextStyle: .body).pointSize * 0.85,
+      weight: .regular
+    )
+    public var largeTitle = UIFont.preferredFont(forTextStyle: .body).bold
+    public var title = UIFont.preferredFont(forTextStyle: .body).bold
+  }
+
+  public var fonts: Fonts = .init()
+
+  public struct Colors: Equatable {
+    public var body = UIColor.label
+    public var emphasis = UIColor.systemOrange
+    public var code = UIColor.label
+    public var codeBackground = UIColor.gray.withAlphaComponent(0.25)
+  }
+
+  public var colors: Colors = .init()
+
+  public struct Spacings: Equatable {
+    public var final: CGFloat = 16
+    public var general: CGFloat = 8
+    public var list: CGFloat = 12
+    public var cell: CGFloat = 32
+  }
+
+  public var spacings: Spacings = .init()
+
+  public struct Sizes: Equatable {
+    public var bullet: CGFloat = 4
+  }
+
+  public var sizes: Sizes = .init()
+
+  public init() {}
+}
+
+extension UIFont {
+  var baseLineHeight: CGFloat {
+    NSAttributedString(string: "88", attributes: [
+      .font: self,
+      .originalFont: self,
+    ]).measureHeight(usingWidth: .greatestFiniteMagnitude)
+  }
+}
+
+private let codeThemeTemplate: Splash.Theme = .init(
+  font: .init(size: Double(0)),
+  plainTextColor: .label,
+  tokenColors: [
+    .keyword: Color(
+      light: Color(red: 0.948, green: 0.140, blue: 0.547, alpha: 1),
+      dark: Color(red: 0.948, green: 0.140, blue: 0.547, alpha: 1)
+    ),
+    .string: Color(
+      light: Color(red: 0.988, green: 0.273, blue: 0.317, alpha: 1),
+      dark: Color(red: 0.988, green: 0.273, blue: 0.317, alpha: 1)
+    ),
+    .type: Color(
+      light: Color(red: 0.384, green: 0.698, blue: 0.161, alpha: 1),
+      dark: Color(red: 0.584, green: 0.898, blue: 0.361, alpha: 1)
+    ),
+    .call: Color(
+      light: Color(red: 0.384, green: 0.698, blue: 0.161, alpha: 1),
+      dark: Color(red: 0.584, green: 0.898, blue: 0.361, alpha: 1)
+    ),
+    .number: Color(
+      light: Color(red: 0.387, green: 0.317, blue: 0.774, alpha: 1),
+      dark: Color(red: 0.587, green: 0.517, blue: 0.974, alpha: 1)
+    ),
+    .comment: Color(
+      light: Color(red: 0.424, green: 0.475, blue: 0.529, alpha: 1),
+      dark: Color(red: 0.424, green: 0.475, blue: 0.529, alpha: 1)
+    ),
+    .property: Color(
+      light: Color(red: 0.384, green: 0.698, blue: 0.161, alpha: 1),
+      dark: Color(red: 0.584, green: 0.898, blue: 0.361, alpha: 1)
+    ),
+    .dotAccess: Color(
+      light: Color(red: 0.384, green: 0.698, blue: 0.161, alpha: 1),
+      dark: Color(red: 0.584, green: 0.898, blue: 0.361, alpha: 1)
+    ),
+    .preprocessing: Color(
+      light: Color(red: 0.752, green: 0.326, blue: 0.12, alpha: 19),
+      dark: Color(red: 0.952, green: 0.526, blue: 0.22, alpha: 19)
+    ),
+  ],
+  backgroundColor: .clear
+)
+
+public extension Theme {
+  func codeTheme(withFont font: UIFont) -> Splash.Theme {
+    var ret = codeThemeTemplate
+    ret.font = .init(size: Double(font.pointSize))
+    return ret
+  }
+}
diff --git a/packages/frontend/apps/ios/App/Packages/MarkdownView/Tests/FlowMarkdownViewTests/FlowMarkdownViewTests.swift b/packages/frontend/apps/ios/App/Packages/MarkdownView/Tests/FlowMarkdownViewTests/FlowMarkdownViewTests.swift
new file mode 100644
index 0000000000..451d56e581
--- /dev/null
+++ b/packages/frontend/apps/ios/App/Packages/MarkdownView/Tests/FlowMarkdownViewTests/FlowMarkdownViewTests.swift
@@ -0,0 +1,6 @@
+@testable import FlowMarkdownView
+import Testing
+
+@Test func example() async throws {
+  // Write your test here and use APIs like `#expect(...)` to check expected conditions.
+}
diff --git a/packages/frontend/apps/ios/setup.sh b/packages/frontend/apps/ios/setup.sh
index 982633fd29..76d926acb6 100755
--- a/packages/frontend/apps/ios/setup.sh
+++ b/packages/frontend/apps/ios/setup.sh
@@ -9,7 +9,7 @@ set -o pipefail
 
 cd "$(dirname "$0")"
 
-export SCRIPT_PATH=$(pwd)
+export SCRIPT_DIR_PATH=$(pwd)
 export BUILD_TYPE=canary
 export PUBLIC_PATH="/"
 
@@ -24,6 +24,13 @@ echo "[+] setting up the project"
 
 echo "[*] interacting with yarn..."
 yarn install
+
+echo "[*] temporary set pbxproj to use object version 56"
+XCPROJ_PATH=$SCRIPT_DIR_PATH/App/App.xcodeproj/project.pbxproj
+CURRENT_VERSION=$(grep "objectVersion = " "$XCPROJ_PATH" | awk -F ' = ' '{print $2}' | tr -d ';')
+echo "[*] current object version: $CURRENT_VERSION"
+sed -i '' "s/objectVersion = $CURRENT_VERSION/objectVersion = 56/" "$XCPROJ_PATH"
+
 yarn affine @affine/ios build
 yarn affine @affine/ios cap sync
 
@@ -32,8 +39,18 @@ rustup target add aarch64-apple-ios
 rustup target add aarch64-apple-ios-sim
 rustup target add aarch64-apple-darwin
 
+cargo build -p affine_mobile_native --lib --release --target aarch64-apple-ios
+cargo run -p affine_mobile_native --bin uniffi-bindgen \
+    generate \
+    --library target/aarch64-apple-ios/release/libaffine_mobile_native.a \
+    --language swift \
+    --out-dir packages/frontend/apps/ios/App/App/uniffi
+
 echo "[*] interacting with graphql..."
-apollo-ios-cli generate --path $SCRIPT_PATH/apollo-codegen-config.json
+apollo-ios-cli generate --path $SCRIPT_DIR_PATH/apollo-codegen-config.json
+
+echo "[*] setting object version back to $CURRENT_VERSION"
+sed -i '' "s/objectVersion = 56/objectVersion = $CURRENT_VERSION/" "$XCPROJ_PATH"
 
 echo "[+] setup complete"