chore: use rustyline@4.1.0 for now (#128)

* switch to rustyline 4.1.0

* adapt highlight_prompt to 4.1.0 format

* fix rust fmt

Cargo.toml

@@ -31,7 +31,7 @@ serde_json = "1.0"
 chrono = "0.4.6"
 failure = "0.1.5"
 # TODO: make optional
-rustyline = { git = "https://github.com/kkawakam/rustyline/" }
+rustyline = "4.1.0"
 lazy_static = "1.3.0"
 
 [dev-dependencies]

examples/repl/cmdline.rs

@@ -83,12 +83,7 @@ pub unsafe fn dc_reset_tables(context: &Context, bits: i32) -> i32 {
         info!(context, 0, "(8) Rest but server config reset.");
     }
 
-    (context.cb)(
-        context,
-        Event::MSGS_CHANGED,
-        0 as uintptr_t,
-        0 as uintptr_t,
-    );
+    (context.cb)(context, Event::MSGS_CHANGED, 0 as uintptr_t, 0 as uintptr_t);
 
     1
 }

examples/repl/main.rs

@@ -243,7 +243,6 @@ struct DcHelper {
     completer: FilenameCompleter,
     highlighter: MatchingBracketHighlighter,
     hinter: HistoryHinter,
-    colored_prompt: String,
 }
 
 impl Completer for DcHelper {
@@ -358,14 +357,13 @@ impl Hinter for DcHelper {
     }
 }
 
+static COLORED_PROMPT: &'static str = "\x1b[1;32m> \x1b[0m";
+static PROMPT: &'static str = "> ";
+
 impl Highlighter for DcHelper {
-    fn highlight_prompt<'b, 's: 'b, 'p: 'b>(
-        &'s self,
-        prompt: &'p str,
-        default: bool,
-    ) -> Cow<'b, str> {
-        if default {
-            Borrowed(&self.colored_prompt)
+    fn highlight_prompt<'p>(&self, prompt: &'p str) -> Cow<'p, str> {
+        if prompt == PROMPT {
+            Borrowed(COLORED_PROMPT)
         } else {
             Borrowed(prompt)
         }
@@ -423,7 +421,6 @@ fn main_0(args: Vec<String>) -> Result<(), failure::Error> {
         completer: FilenameCompleter::new(),
         highlighter: MatchingBracketHighlighter::new(),
         hinter: HistoryHinter {},
-        colored_prompt: "".to_owned(),
     };
     let mut rl = Editor::with_config(config);
     rl.set_helper(Some(h));
@@ -435,7 +432,6 @@ fn main_0(args: Vec<String>) -> Result<(), failure::Error> {
 
     loop {
         let p = "> ";
-        rl.helper_mut().unwrap().colored_prompt = format!("\x1b[1;32m{}\x1b[0m", p);
         let readline = rl.readline(&p);
         match readline {
             Ok(line) => {