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Normalize line endings consistently between fake and real FS

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This commit is contained in:
Max Brunsfeld 2022-07-04 13:00:12 -07:00
parent 9804c683c0
commit c1b886b0ce
1 changed files with 20 additions and 15 deletions
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35
crates/project/src/fs.rs
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@ -174,15 +174,8 @@ impl Fs for RealFs {
let buffer_size = text.summary().bytes.min(10 * 1024);
let file = smol::fs::File::create(path).await?;
let mut writer = smol::io::BufWriter::with_capacity(buffer_size, file);
let mut newline = false;
for chunk in text.chunks() {
for line in chunk.split('\n') {
if newline {
writer.write_all(line_ending.as_str().as_bytes()).await?;
}
writer.write_all(line.as_bytes()).await?;
newline = true;
}
for chunk in chunks(text, line_ending) {
writer.write_all(chunk.as_bytes()).await?;
}
writer.flush().await?;
Ok(())
@ -659,15 +652,12 @@ impl Fs for FakeFs {
let mut state = self.state.lock().await;
let path = normalize_path(path);
state.validate_path(&path)?;
let content = chunks(text, line_ending).collect();
if let Some(entry) = state.entries.get_mut(&path) {
if entry.metadata.is_dir {
Err(anyhow!("cannot overwrite a directory with a file"))
} else {
entry.content = Some(
text.chunks()
.map(|chunk| chunk.replace('\n', line_ending.as_str()))
.collect(),
);
entry.content = Some(content);
entry.metadata.mtime = SystemTime::now();
state.emit_event(&[path]).await;
Ok(())
@ -682,7 +672,7 @@ impl Fs for FakeFs {
is_dir: false,
is_symlink: false,
},
content: Some(text.chunks().collect()),
content: Some(content),
};
state.entries.insert(path.to_path_buf(), entry);
state.emit_event(&[path]).await;
@ -764,6 +754,21 @@ impl Fs for FakeFs {
}
}
fn chunks(rope: &Rope, line_ending: LineEnding) -> impl Iterator<Item = &str> {
rope.chunks().flat_map(move |chunk| {
let mut newline = false;
chunk.split('\n').flat_map(move |line| {
let ending = if newline {
Some(line_ending.as_str())
} else {
None
};
newline = true;
ending.into_iter().chain([line])
})
})
}
pub fn normalize_path(path: &Path) -> PathBuf {
let mut components = path.components().peekable();
let mut ret = if let Some(c @ Component::Prefix(..)) = components.peek().cloned() {