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Use default prompt as fallback (#663)

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JT 2022-01-05 06:49:04 +11:00 committed by GitHub
parent 857ecda050
commit 4d1ce6c27b
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2 changed files with 18 additions and 11 deletions
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19
crates/nu-cli/src/prompt.rs
View File

@ -1,3 +1,5 @@
use reedline::DefaultPrompt;
use {
reedline::{
Prompt, PromptEditMode, PromptHistorySearch, PromptHistorySearchStatus, PromptViMode,
@ -8,7 +10,7 @@ use {
/// Nushell prompt definition
#[derive(Clone)]
pub struct NushellPrompt {
prompt_string: String,
prompt_string: Option<String>,
default_prompt_indicator: String,
default_vi_insert_prompt_indicator: String,
default_vi_visual_prompt_indicator: String,
@ -24,7 +26,7 @@ impl Default for NushellPrompt {
impl NushellPrompt {
pub fn new() -> NushellPrompt {
NushellPrompt {
prompt_string: "".to_string(),
prompt_string: None,
default_prompt_indicator: "〉".to_string(),
default_vi_insert_prompt_indicator: ": ".to_string(),
default_vi_visual_prompt_indicator: "v ".to_string(),
@ -32,7 +34,7 @@ impl NushellPrompt {
}
}
pub fn update_prompt(&mut self, prompt_string: String) {
pub fn update_prompt(&mut self, prompt_string: Option<String>) {
self.prompt_string = prompt_string;
}
@ -54,7 +56,7 @@ impl NushellPrompt {
pub fn update_all_prompt_strings(
&mut self,
prompt_string: String,
prompt_string: Option<String>,
prompt_indicator_string: String,
prompt_vi_insert_string: String,
prompt_vi_visual_string: String,
@ -73,8 +75,13 @@ impl NushellPrompt {
}
impl Prompt for NushellPrompt {
fn render_prompt(&self, _: usize) -> Cow<str> {
self.prompt_string.as_str().into()
fn render_prompt(&self, width: usize) -> Cow<str> {
if let Some(prompt_string) = &self.prompt_string {
prompt_string.into()
} else {
let default = DefaultPrompt::new(1);
default.render_prompt(width).to_string().into()
}
}
fn render_prompt_indicator(&self, edit_mode: PromptEditMode) -> Cow<str> {

10
src/main.rs
View File

@ -763,7 +763,7 @@ fn update_prompt<'prompt>(
Err(_) => {
// apply the other indicators
nu_prompt.update_all_prompt_strings(
String::new(),
None,
prompt_indicator_string,
prompt_vi_insert_string,
prompt_vi_visual_string,
@ -775,7 +775,7 @@ fn update_prompt<'prompt>(
None => {
// apply the other indicators
nu_prompt.update_all_prompt_strings(
String::new(),
None,
prompt_indicator_string,
prompt_vi_insert_string,
prompt_vi_visual_string,
@ -803,7 +803,7 @@ fn update_prompt<'prompt>(
// If we can't run the custom prompt, give them the default
// apply the other indicators
nu_prompt.update_all_prompt_strings(
String::new(),
None,
prompt_indicator_string,
prompt_vi_insert_string,
prompt_vi_visual_string,
@ -816,7 +816,7 @@ fn update_prompt<'prompt>(
match evaluated_prompt {
Ok(evaluated_prompt) => {
nu_prompt.update_all_prompt_strings(
evaluated_prompt,
Some(evaluated_prompt),
prompt_indicator_string,
prompt_vi_insert_string,
prompt_vi_visual_string,
@ -824,7 +824,7 @@ fn update_prompt<'prompt>(
);
}
_ => nu_prompt.update_all_prompt_strings(
String::new(),
None,
prompt_indicator_string,
prompt_vi_insert_string,
prompt_vi_visual_string,