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Ignore carriage returns when reloading buffer

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This commit is contained in:
Antonio Scandurra 2022-07-04 17:40:35 +02:00
parent 3480b50920
commit d80ecb6f98
1 changed files with 7 additions and 6 deletions
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13
crates/language/src/buffer.rs
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@ -554,7 +554,7 @@ impl Buffer {
}) {
let new_text = new_text.await?;
let diff = this
.read_with(&cx, |this, cx| this.diff(new_text.into(), cx))
.read_with(&cx, |this, cx| this.diff(new_text, cx))
.await;
this.update(&mut cx, |this, cx| {
if let Some(transaction) = this.apply_diff(diff, cx).cloned() {
@ -968,18 +968,19 @@ impl Buffer {
}
}
pub(crate) fn diff(&self, new_text: Arc<str>, cx: &AppContext) -> Task<Diff> {
// TODO: it would be nice to not allocate here.
let old_text = self.text();
pub(crate) fn diff(&self, new_text: String, cx: &AppContext) -> Task<Diff> {
let old_text = self.as_rope().clone();
let base_version = self.version();
cx.background().spawn(async move {
let changes = TextDiff::from_lines(old_text.as_str(), new_text.as_ref())
let old_text = old_text.to_string();
let new_text = new_text.replace("\r\n", "\n").replace('\r', "\n");
let changes = TextDiff::from_lines(old_text.as_str(), new_text.as_str())
.iter_all_changes()
.map(|c| (c.tag(), c.value().len()))
.collect::<Vec<_>>();
Diff {
base_version,
new_text,
new_text: new_text.into(),
changes,
start_offset: 0,
}