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Merge FoldRange into Fold

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-05-06 19:36:19 +02:00
parent e8179f7e3e
commit 2c1e4cae19
1 changed files with 10 additions and 16 deletions
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26
zed/src/editor/display_map/fold_map.rs
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@ -109,10 +109,7 @@ impl FoldMap {
self.folds = {
let mut new_tree = SumTree::new();
let mut cursor = self.folds.cursor::<_, ()>();
new_tree.push_tree(
cursor.slice(&FoldRange(fold.0.clone()), SeekBias::Right, buffer),
buffer,
);
new_tree.push_tree(cursor.slice(&fold, SeekBias::Right, buffer), buffer);
new_tree.push(fold, buffer);
new_tree.push_tree(cursor.suffix(buffer), buffer);
new_tree
@ -298,7 +295,7 @@ impl FoldMap {
let anchor = buffer.anchor_before(edit.new_range.start).unwrap();
let mut folds_cursor = self.folds.cursor::<_, ()>();
folds_cursor.seek(&FoldRange(anchor..Anchor::End), SeekBias::Left, buffer);
folds_cursor.seek(&Fold(anchor..Anchor::End), SeekBias::Left, buffer);
let mut folds = folds_cursor
.map(|f| f.0.start.to_offset(buffer).unwrap()..f.0.end.to_offset(buffer).unwrap())
.peekable();
@ -482,6 +479,12 @@ impl<'a> sum_tree::Dimension<'a, TransformSummary> for TransformSummary {
#[derive(Clone, Debug)]
struct Fold(Range<Anchor>);
impl Default for Fold {
fn default() -> Self {
Self(Anchor::Start..Anchor::End)
}
}
impl sum_tree::Item for Fold {
type Summary = FoldSummary;
@ -542,23 +545,14 @@ impl sum_tree::Summary for FoldSummary {
}
}
#[derive(Clone, Debug)]
struct FoldRange(Range<Anchor>);
impl Default for FoldRange {
fn default() -> Self {
Self(Anchor::Start..Anchor::End)
}
}
impl<'a> sum_tree::Dimension<'a, FoldSummary> for FoldRange {
impl<'a> sum_tree::Dimension<'a, FoldSummary> for Fold {
fn add_summary(&mut self, summary: &'a FoldSummary) {
self.0.start = summary.start.clone();
self.0.end = summary.end.clone();
}
}
impl<'a> sum_tree::SeekDimension<'a, FoldSummary> for FoldRange {
impl<'a> sum_tree::SeekDimension<'a, FoldSummary> for Fold {
fn cmp(&self, other: &Self, buffer: &Buffer) -> Ordering {
self.0.cmp(&other.0, buffer).unwrap()
}