1 files changed, 31 insertions, 1 deletions
diff --git a/mingling_core/src/asset/comp.rs b/mingling_core/src/asset/comp.rs
index 4815b5a..eeef0c0 100644
--- a/mingling_core/src/asset/comp.rs
+++ b/mingling_core/src/asset/comp.rs
@@ -2,6 +2,8 @@ mod flags;
 mod shell_ctx;
 mod suggest;
 
+use std::fmt::Display;
+
 #[doc(hidden)]
 pub use flags::*;
 #[doc(hidden)]
@@ -9,6 +11,8 @@ pub use shell_ctx::*;
 #[doc(hidden)]
 pub use suggest::*;
 
+use crate::{ProgramCollect, this};
+
 /// Trait for implementing completion logic.
 ///
 /// This trait defines the interface for generating command-line completions.
@@ -16,5 +20,31 @@ pub use suggest::*;
 /// based on the current shell context.
 pub trait Completion {
     type Previous;
-    fn comp(ctx: ShellContext) -> Suggest;
+    fn comp(ctx: &ShellContext) -> Suggest;
+}
+
+/// Trait for extracting user input arguments for completion.
+///
+/// When the `feat comp` feature is enabled, the `dispatcher!` macro will
+/// automatically implement this trait for `Entry` types to extract the
+/// arguments from user input for completion suggestions.
+pub trait CompletionEntry {
+    fn get_input(self) -> Vec<String>;
+}
+
+pub struct CompletionHelper;
+impl CompletionHelper {
+    pub fn exec_completion<P>(ctx: &ShellContext) -> Suggest
+    where
+        P: ProgramCollect + Display + 'static,
+    {
+        let program = this::<P>();
+        Suggest::FileCompletion
+    }
+
+    pub fn render_suggest<P>(ctx: ShellContext, suggest: Suggest)
+    where
+        P: ProgramCollect + Display + 'static,
+    {
+    }
 }