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Add configuration option to disable hinter (#2403) (#2405)

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* Add configuration option to disable hinter

* Move hint configuration inside line_editor
This commit is contained in:
Amit Dev 2020-08-27 15:45:55 +10:00 committed by GitHub
parent 7702d683c7
commit 39f402c8cc
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 19 additions and 5 deletions
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16
crates/nu-cli/src/cli.rs
View File

@ -820,7 +820,9 @@ pub async fn cli(
let cwd = context.shell_manager.path();
rl.set_helper(Some(crate::shell::Helper::new(context.clone())));
let hinter = init_hinter(&config);
rl.set_helper(Some(crate::shell::Helper::new(context.clone(), hinter)));
let colored_prompt = {
if let Some(prompt) = config.get("prompt") {
@ -967,6 +969,18 @@ pub async fn cli(
Ok(())
}
fn init_hinter(config: &IndexMap<String, Value>) -> Option<rustyline::hint::HistoryHinter> {
// Show hints unless explicitly disabled in config
if let Some(line_editor_vars) = config.get("line_editor") {
for (idx, value) in line_editor_vars.row_entries() {
if idx == "show_hints" && value.expect_string() == "false" {
return None;
}
}
}
Some(rustyline::hint::HistoryHinter {})
}
fn chomp_newline(s: &str) -> &str {
if s.ends_with('\n') {
&s[..s.len() - 1]

8
crates/nu-cli/src/shell/helper.rs
View File

@ -12,16 +12,16 @@ use crate::shell::palette::{DefaultPalette, Palette};
pub struct Helper {
completer: NuCompleter,
hinter: rustyline::hint::HistoryHinter,
hinter: Option<rustyline::hint::HistoryHinter>,
context: Context,
pub colored_prompt: String,
}
impl Helper {
pub(crate) fn new(context: Context) -> Helper {
pub(crate) fn new(context: Context, hinter: Option<rustyline::hint::HistoryHinter>) -> Helper {
Helper {
completer: NuCompleter {},
hinter: rustyline::hint::HistoryHinter {},
hinter,
context,
colored_prompt: String::new(),
}
@ -54,7 +54,7 @@ impl rustyline::completion::Completer for Helper {
impl rustyline::hint::Hinter for Helper {
fn hint(&self, line: &str, pos: usize, ctx: &rustyline::Context<'_>) -> Option<String> {
self.hinter.hint(line, pos, &ctx)
self.hinter.as_ref().and_then(|h| h.hint(line, pos, &ctx))
}
}