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Optimize get_truncated_path

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mo8it 2024-03-01 00:55:00 +01:00 committed by Blaž Hrastnik
parent e91ec8e880
commit 0f5430ab9e
1 changed files with 11 additions and 12 deletions
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23
helix-stdx/src/path.rs
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@ -181,21 +181,20 @@ pub fn get_relative_path<'a, P>(path: P) -> Cow<'a, Path>
///
pub fn get_truncated_path(path: impl AsRef<Path>) -> PathBuf {
let cwd = current_working_dir();
let path = path
.as_ref()
.strip_prefix(cwd)
.unwrap_or_else(|_| path.as_ref());
let path = path.as_ref();
let path = path.strip_prefix(cwd).unwrap_or(path);
let file = path.file_name().unwrap_or_default();
let base = path.parent().unwrap_or_else(|| Path::new(""));
let mut ret = PathBuf::new();
let mut ret = PathBuf::with_capacity(file.len());
// A char can't be directly pushed to a PathBuf
let mut first_char_buffer = String::new();
for d in base {
ret.push(
d.to_string_lossy()
.chars()
.next()
.unwrap_or_default()
.to_string(),
);
let Some(first_char) = d.to_string_lossy().chars().next() else {
break;
};
first_char_buffer.push(first_char);
ret.push(&first_char_buffer);
first_char_buffer.clear();
}
ret.push(file);
ret