Add from_str for GuiSnippet

src/builder/snippet.rs

@@ -17,13 +17,27 @@ pub struct GuiSnippet {
 }
 
 impl GuiSnippet {
-    pub fn new(gui_handler: Arc<GuiHandler>, path: &AssetPath) -> Result<Arc<Self>> {
+    pub fn new(gui_handler: &Arc<GuiHandler>, path: &AssetPath) -> Result<Arc<Self>> {
         let validator = Validator::new(
             #[cfg(feature = "audio")]
             &gui_handler,
             path,
         )?;
 
+        Self::_new(gui_handler, validator)
+    }
+
+    pub fn from_str(gui_handler: &Arc<GuiHandler>, s: &str) -> Result<Arc<Self>> {
+        let validator = Validator::from_str(
+            #[cfg(feature = "audio")]
+            gui_handler,
+            s,
+        )?;
+
+        Self::_new(gui_handler, validator)
+    }
+
+    fn _new(gui_handler: &Arc<GuiHandler>, validator: Validator) -> Result<Arc<Self>> {
         let root = validator.root();
 
         let mut ids = HashMap::new();
@@ -31,8 +45,7 @@ impl GuiSnippet {
 
         if root.children.len() != 1 {
             return Err(anyhow::Error::msg(format!(
-                "Expected exact 1 root in {}. Found {} roots",
+                "Expected exact 1 root. Found {} roots",
-                path.full_path(),
                 root.children.len()
             )));
         }