redoing it (#263)

plugins/shrs_mux/examples/basic.rs

@@ -3,7 +3,7 @@ use shrs_mux::MuxPlugin;
 
 fn main() {
     let myshell = ShellBuilder::default()
-        .with_plugin(MuxPlugin)
+        .with_plugin(MuxPlugin::new())
         .build()
         .unwrap();
 

plugins/shrs_mux/src/lang_options.rs

@@ -0,0 +1,31 @@
+use std::collections::HashMap;
+
+use shrs::{
+    anyhow,
+    prelude::{Context, Highlighter, Runtime, Shell},
+};
+
+use crate::ChangeLangCtx;
+
+pub struct LangOptions {
+    highlighters: HashMap<String, Box<dyn Highlighter>>,
+}
+impl LangOptions {
+    pub fn new(highlighters: HashMap<String, Box<dyn Highlighter>>) -> Self {
+        LangOptions { highlighters }
+    }
+}
+impl Default for LangOptions {
+    fn default() -> Self {
+        let highlighters: HashMap<String, Box<dyn Highlighter>> = HashMap::from([]);
+        Self { highlighters }
+    }
+}
+pub(crate) fn swap_lang_options(
+    sh: &Shell,
+    sh_ctx: &mut Context,
+    sh_rt: &mut Runtime,
+    ctx: &ChangeLangCtx,
+) -> anyhow::Result<()> {
+    Ok(())
+}

plugins/shrs_mux/src/lib.rs

@@ -1,12 +1,14 @@
 mod builtin;
 mod interpreter;
 mod lang;
+mod lang_options;
 
 use std::collections::{HashMap, HashSet};
 
 use anyhow::anyhow;
 use builtin::MuxBuiltin;
 use lang::{BashLang, MuxLang, NuLang, PythonLang};
+use lang_options::{swap_lang_options, LangOptions};
 use shrs::prelude::*;
 
 pub struct MuxState {
@@ -61,11 +63,15 @@ pub struct ChangeLangCtx {
     new_lang: String,
 }
 
-pub struct MuxPlugin;
+pub struct MuxPlugin {
+    lang_options: LangOptions,
+}
 
 impl MuxPlugin {
     pub fn new() -> Self {
-        MuxPlugin
+        MuxPlugin {
+            lang_options: LangOptions::default(),
+        }
     }
 }
 
@@ -87,7 +93,9 @@ impl Plugin for MuxPlugin {
         shell.state.insert(MuxState::new(lang_names).unwrap());
         let langs_map = HashMap::from_iter(langs);
         shell.lang = Box::new(MuxLang::new(langs_map));
+        shell.hooks.register(swap_lang_options);
 
         Ok(())
     }
 }
+

shrs_example/src/main.rs

@@ -183,7 +183,7 @@ a rusty POSIX shell | build {}"#,
         .with_plugin(OutputCapturePlugin)
         .with_plugin(CommandTimerPlugin)
         .with_plugin(RunContextPlugin::new())
-        .with_plugin(MuxPlugin)
+        .with_plugin(MuxPlugin::new())
         .with_plugin(CdStackPlugin)
         .build()
         .expect("Could not construct shell");