wgui: move parser.rs into a separate directory

wgui/src/parser/widget_sprite.rs

@@ -0,0 +1,57 @@
+use crate::{
+	layout::WidgetID,
+	parser::{
+		ParserContext, ParserFile, iter_attribs, parse_children, parse_universal,
+		style::style_from_node,
+	},
+	renderer_vk::text::custom_glyph::{CustomGlyphContent, CustomGlyphData},
+	widget::sprite::{SpriteBox, SpriteBoxParams},
+};
+
+pub fn parse_widget_sprite<'a>(
+	file: &'a ParserFile,
+	ctx: &mut ParserContext,
+	node: roxmltree::Node<'a, 'a>,
+	parent_id: WidgetID,
+) -> anyhow::Result<()> {
+	let mut params = SpriteBoxParams::default();
+	let attribs: Vec<_> = iter_attribs(file, ctx, &node).collect();
+
+	let mut glyph = None;
+	for (key, value) in attribs {
+		match key.as_ref() {
+			"src" => {
+				glyph = match CustomGlyphContent::from_assets(&mut ctx.layout.assets, &value) {
+					Ok(glyph) => Some(glyph),
+					Err(e) => {
+						log::warn!("failed to load {}: {}", value, e);
+						None
+					}
+				}
+			}
+			"src_ext" => {
+				if std::fs::exists(value.as_ref()).unwrap_or(false) {
+					glyph = CustomGlyphContent::from_file(&value).ok();
+				}
+			}
+			_ => {}
+		}
+	}
+
+	if let Some(glyph) = glyph {
+		params.glyph_data = Some(CustomGlyphData::new(glyph));
+	} else {
+		log::warn!("No source for sprite node!");
+	};
+
+	let style = style_from_node(file, ctx, node);
+
+	let (new_id, _) = ctx
+		.layout
+		.add_child(parent_id, SpriteBox::create(params)?, style)?;
+
+	parse_universal(file, ctx, node, new_id)?;
+	parse_children(file, ctx, node, new_id)?;
+
+	Ok(())
+}