feat: finish exec runner

wfassoc/src/highlevel.rs

@@ -246,6 +246,7 @@ pub struct Program {
     behaviors: Vec<Rc<ProgramBehavior>>,
 
     ext_keys: Vec<ProgramProgIdExtKey>,
+    ext_keys_map: HashMap<String, usize>,
 }
 
 impl TryFrom<Schema> for Program {
@@ -386,7 +387,7 @@ impl Program {
             .map(|behavior| Self::resolve_index(&behavior, &behaviors, &behaviors_index_map))
             .transpose()?;
 
-        // We build ProgIdKey and ExtKey list at the same time
+        // We build ext keys
         let mut ext_keys: Vec<ProgramProgIdExtKey> = Vec::with_capacity(schema.exts.len());
         for (key, value) in &schema.exts {
             // Build ProgId first.
@@ -403,7 +404,7 @@ impl Program {
             let ext = concept::Ext::new(key.as_str())?;
             let ext_key = lowlevel::ExtKey::new(ext);
 
-            // Create program Ext key struct
+            // Create program ProgId Ext key struct
             let progid_ext_key = ProgramProgIdExtKey {
                 ext_key,
                 progid_key,
@@ -415,6 +416,12 @@ impl Program {
             // Add them into list
             ext_keys.push(progid_ext_key);
         }
+        // The build ext keys map
+        let ext_keys_map = ext_keys
+            .iter()
+            .enumerate()
+            .map(|(i, ext)| (ext.ext_key.inner().inner().to_string(), i))
+            .collect();
 
         // Everything is okey
         Ok(Self {
@@ -429,10 +436,39 @@ impl Program {
             icons,
             behaviors,
             ext_keys,
+            ext_keys_map,
         })
     }
 }
 
+impl Program {
+    pub fn resolve_name(&self) -> Result<String, ProgramError> {
+        todo!()
+    }
+
+    pub fn resolve_icon(&self) -> Result<concept::IconRc, ProgramError> {
+        todo!()
+    }
+
+    pub fn get_ext_count(&self) -> usize {
+        self.ext_keys.len()
+    }
+
+    pub fn get_ext(&self, index: usize) -> Result<&concept::Ext, ProgramError> {
+        match self.ext_keys.get(index) {
+            Some(program_key) => {
+                let ext_key = &program_key.ext_key;
+                Ok(ext_key.inner())
+            }
+            None => Err(ProgramError::BadIndex),
+        }
+    }
+
+    pub fn find_ext(&self, body: &str) -> Option<usize> {
+        self.ext_keys_map.get(body).copied()
+    }
+}
+
 impl Program {
     /// Register this application.
     ///
@@ -577,6 +613,11 @@ impl Program {
             Some(program_key) => {
                 let ext_key = &mut program_key.ext_key;
                 let progid_key = &program_key.progid_key;
+                debug_println!(
+                    "Linking ProgId \"{0}\" to extension \"{1}\"subkey...",
+                    progid_key.inner().to_string(),
+                    ext_key.inner().to_string()
+                );
 
                 // Before setting it, we must make sure this extension is existing
                 ext_key.ensure(scope)?;
@@ -591,6 +632,10 @@ impl Program {
         match self.ext_keys.get_mut(index) {
             Some(program_key) => {
                 let ext_key = &mut program_key.ext_key;
+                debug_println!(
+                    "Unlinking for extension \"{0}\"subkey...",
+                    ext_key.inner().to_string()
+                );
 
                 // Before setting it, we must make sure this extension is existing
                 ext_key.ensure(scope)?;
@@ -609,6 +654,10 @@ impl Program {
         match self.ext_keys.get(index) {
             Some(program_key) => {
                 let ext_key = &program_key.ext_key;
+                debug_println!(
+                    "Querying for extension \"{0}\"subkey...",
+                    ext_key.inner().to_string()
+                );
 
                 // If there is no such extension key, return None about this extension.
                 if !ext_key.is_exist(view)? {
@@ -656,7 +705,7 @@ impl Program {
 // region: Program Exposed Structs
 
 /// Exposed struct representing the default associated program of specific file extension.
-/// 
+///
 /// The data including the diaplay name and icon.
 pub struct ProgramExtStatus {
     name: String,
@@ -669,7 +718,7 @@ impl ProgramExtStatus {
     }
 
     /// Get the display name of this program.
-    /// 
+    ///
     /// The program provided display name will be used firstly.
     /// If this program has no display name, the stringified ProgId will be used instead.
     pub fn get_name(&self) -> &str {
@@ -677,7 +726,7 @@ impl ProgramExtStatus {
     }
 
     /// Get the icon of this program.
-    /// 
+    ///
     /// Due to the icon is optional, if there is no icon, return None.
     pub fn get_icon(&self) -> Option<&concept::IconRc> {
         self.icon.as_ref()