new workspace

wlx-overlay-s/src/config_io.rs

@@ -0,0 +1,54 @@
+use log::error;
+use std::{path::PathBuf, sync::LazyLock};
+
+pub enum ConfigRoot {
+    Generic,
+    #[allow(dead_code)]
+    WayVR,
+}
+
+const FALLBACK_CONFIG_PATH: &str = "/tmp/wlxoverlay";
+
+static CONFIG_ROOT_PATH: LazyLock<PathBuf> = LazyLock::new(|| {
+    if let Some(mut dir) = xdg::BaseDirectories::new().get_config_home() {
+        dir.push("wlxoverlay");
+        return dir;
+    }
+    //Return fallback config path
+    error!("Err: Failed to find config path, using {FALLBACK_CONFIG_PATH}");
+    PathBuf::from(FALLBACK_CONFIG_PATH)
+});
+
+pub fn get_config_root() -> PathBuf {
+    CONFIG_ROOT_PATH.clone()
+}
+
+impl ConfigRoot {
+    pub fn get_conf_d_path(&self) -> PathBuf {
+        get_config_root().join(match self {
+            Self::Generic => "conf.d",
+            Self::WayVR => "wayvr.conf.d",
+        })
+    }
+
+    // Make sure config directory is present and return root config path
+    pub fn ensure_dir(&self) -> PathBuf {
+        let path = get_config_root();
+        let _ = std::fs::create_dir(&path);
+
+        let path_conf_d = self.get_conf_d_path();
+        let _ = std::fs::create_dir(path_conf_d);
+        path
+    }
+}
+
+pub fn get_config_file_path(filename: &str) -> PathBuf {
+    get_config_root().join(filename)
+}
+
+pub fn load(filename: &str) -> Option<String> {
+    let path = get_config_file_path(filename);
+    log::info!("Loading config: {}", path.to_string_lossy());
+
+    std::fs::read_to_string(path).ok()
+}