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authorBlaž Hrastnik2021-08-31 09:29:24 +0000
committerBlaž Hrastnik2021-08-31 09:29:24 +0000
commita3bd80a6fa4f07b0fa581eae416376763ba94345 (patch)
tree3681dedb9aed053396ed20d9937a868dbbdba9fc /helix-term
parent9b96bb5ac802189f567b101f7c8da4b370a2fdd1 (diff)
ui: prompt: Avoid allocating a prompt name if it's a static string
Diffstat (limited to 'helix-term')
-rw-r--r--helix-term/src/commands.rs39
-rw-r--r--helix-term/src/ui/mod.rs2
-rw-r--r--helix-term/src/ui/picker.rs2
-rw-r--r--helix-term/src/ui/prompt.rs4
4 files changed, 21 insertions, 26 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index e75d46dc..f479a7a0 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -1079,7 +1079,7 @@ fn select_all(cx: &mut Context) {
}
fn select_regex(cx: &mut Context) {
- let prompt = ui::regex_prompt(cx, "select:".to_string(), move |view, doc, _, regex| {
+ let prompt = ui::regex_prompt(cx, "select:".into(), move |view, doc, _, regex| {
let text = doc.text().slice(..);
if let Some(selection) = selection::select_on_matches(text, doc.selection(view.id), &regex)
{
@@ -1091,7 +1091,7 @@ fn select_regex(cx: &mut Context) {
}
fn split_selection(cx: &mut Context) {
- let prompt = ui::regex_prompt(cx, "split:".to_string(), move |view, doc, _, regex| {
+ let prompt = ui::regex_prompt(cx, "split:".into(), move |view, doc, _, regex| {
let text = doc.text().slice(..);
let selection = selection::split_on_matches(text, doc.selection(view.id), &regex);
doc.set_selection(view.id, selection);
@@ -1157,15 +1157,11 @@ fn search(cx: &mut Context) {
// feed chunks into the regex yet
let contents = doc.text().slice(..).to_string();
- let prompt = ui::regex_prompt(
- cx,
- "search:".to_string(),
- move |view, doc, registers, regex| {
- search_impl(doc, view, &contents, &regex, false);
- // TODO: only store on enter (accept), not update
- registers.write('/', vec![regex.as_str().to_string()]);
- },
- );
+ let prompt = ui::regex_prompt(cx, "search:".into(), move |view, doc, registers, regex| {
+ search_impl(doc, view, &contents, &regex, false);
+ // TODO: only store on enter (accept), not update
+ registers.write('/', vec![regex.as_str().to_string()]);
+ });
cx.push_layer(Box::new(prompt));
}
@@ -2210,7 +2206,7 @@ mod cmd {
fn command_mode(cx: &mut Context) {
let mut prompt = Prompt::new(
- ":".to_owned(),
+ ":".into(),
Some(':'),
|input: &str| {
// we use .this over split_whitespace() because we care about empty segments
@@ -3819,7 +3815,7 @@ fn join_selections(cx: &mut Context) {
fn keep_selections(cx: &mut Context) {
// keep selections matching regex
- let prompt = ui::regex_prompt(cx, "keep:".to_string(), move |view, doc, _, regex| {
+ let prompt = ui::regex_prompt(cx, "keep:".into(), move |view, doc, _, regex| {
let text = doc.text().slice(..);
if let Some(selection) = selection::keep_matches(text, doc.selection(view.id), &regex) {
@@ -4307,26 +4303,26 @@ enum ShellBehavior {
}
fn shell_pipe(cx: &mut Context) {
- shell(cx, "pipe:", ShellBehavior::Replace);
+ shell(cx, "pipe:".into(), ShellBehavior::Replace);
}
fn shell_pipe_to(cx: &mut Context) {
- shell(cx, "pipe-to:", ShellBehavior::Ignore);
+ shell(cx, "pipe-to:".into(), ShellBehavior::Ignore);
}
fn shell_insert_output(cx: &mut Context) {
- shell(cx, "insert-output:", ShellBehavior::Insert);
+ shell(cx, "insert-output:".into(), ShellBehavior::Insert);
}
fn shell_append_output(cx: &mut Context) {
- shell(cx, "append-output:", ShellBehavior::Append);
+ shell(cx, "append-output:".into(), ShellBehavior::Append);
}
fn shell_keep_pipe(cx: &mut Context) {
- shell(cx, "keep-pipe:", ShellBehavior::Filter);
+ shell(cx, "keep-pipe:".into(), ShellBehavior::Filter);
}
-fn shell(cx: &mut Context, prompt: &str, behavior: ShellBehavior) {
+fn shell(cx: &mut Context, prompt: Cow<'static, str>, behavior: ShellBehavior) {
use std::io::Write;
use std::process::{Command, Stdio};
if cx.editor.config.shell.is_empty() {
@@ -4338,7 +4334,7 @@ fn shell(cx: &mut Context, prompt: &str, behavior: ShellBehavior) {
ShellBehavior::Insert | ShellBehavior::Append => false,
};
let prompt = Prompt::new(
- prompt.to_owned(),
+ prompt,
Some('|'),
|_input: &str| Vec::new(),
move |cx: &mut compositor::Context, input: &str, event: PromptEvent| {
@@ -4408,9 +4404,8 @@ fn shell(cx: &mut Context, prompt: &str, behavior: ShellBehavior) {
}
}
- let transaction = Transaction::change(doc.text(), changes.into_iter());
-
if behavior != ShellBehavior::Ignore {
+ let transaction = Transaction::change(doc.text(), changes.into_iter());
doc.apply(&transaction, view.id);
doc.append_changes_to_history(view.id);
}
diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs
index f3f8670e..0a1e24b5 100644
--- a/helix-term/src/ui/mod.rs
+++ b/helix-term/src/ui/mod.rs
@@ -27,7 +27,7 @@ use std::path::PathBuf;
pub fn regex_prompt(
cx: &mut crate::commands::Context,
- prompt: String,
+ prompt: std::borrow::Cow<'static, str>,
fun: impl Fn(&mut View, &mut Document, &mut Registers, Regex) + 'static,
) -> Prompt {
let (view, doc) = current!(cx.editor);
diff --git a/helix-term/src/ui/picker.rs b/helix-term/src/ui/picker.rs
index ef2c434c..06e424ea 100644
--- a/helix-term/src/ui/picker.rs
+++ b/helix-term/src/ui/picker.rs
@@ -202,7 +202,7 @@ impl<T> Picker<T> {
callback_fn: impl Fn(&mut Editor, &T, Action) + 'static,
) -> Self {
let prompt = Prompt::new(
- "".to_string(),
+ "".into(),
None,
|_pattern: &str| Vec::new(),
|_editor: &mut Context, _pattern: &str, _event: PromptEvent| {
diff --git a/helix-term/src/ui/prompt.rs b/helix-term/src/ui/prompt.rs
index 7197adea..1d512ad2 100644
--- a/helix-term/src/ui/prompt.rs
+++ b/helix-term/src/ui/prompt.rs
@@ -15,7 +15,7 @@ use helix_view::{
pub type Completion = (RangeFrom<usize>, Cow<'static, str>);
pub struct Prompt {
- prompt: String,
+ prompt: Cow<'static, str>,
pub line: String,
cursor: usize,
completion: Vec<Completion>,
@@ -55,7 +55,7 @@ pub enum Movement {
impl Prompt {
pub fn new(
- prompt: String,
+ prompt: Cow<'static, str>,
history_register: Option<char>,
mut completion_fn: impl FnMut(&str) -> Vec<Completion> + 'static,
callback_fn: impl FnMut(&mut Context, &str, PromptEvent) + 'static,