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Introduce MultiBuffer::symbols_containing

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This commit is contained in:
Antonio Scandurra 2022-03-29 13:49:55 +02:00
parent bfa5dd52dd
commit 099250c691
2 changed files with 28 additions and 1 deletions
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27
crates/editor/src/multi_buffer.rs
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@ -2264,6 +2264,33 @@ impl MultiBufferSnapshot {
))
}
pub fn symbols_containing<T: ToOffset>(
&self,
offset: T,
theme: Option<&SyntaxTheme>,
) -> Option<(BufferSnapshot, Vec<OutlineItem<Anchor>>)> {
let anchor = self.anchor_before(offset);
let excerpt_id = anchor.excerpt_id();
let excerpt = self.excerpt(excerpt_id)?;
Some((
excerpt.buffer.clone(),
excerpt
.buffer
.symbols_containing(anchor.text_anchor, theme)
.into_iter()
.flatten()
.map(|item| OutlineItem {
depth: item.depth,
range: self.anchor_in_excerpt(excerpt_id.clone(), item.range.start)
..self.anchor_in_excerpt(excerpt_id.clone(), item.range.end),
text: item.text,
highlight_ranges: item.highlight_ranges,
name_ranges: item.name_ranges,
})
.collect(),
))
}
fn excerpt<'a>(&'a self, excerpt_id: &'a ExcerptId) -> Option<&'a Excerpt> {
let mut cursor = self.excerpts.cursor::<Option<&ExcerptId>>();
cursor.seek(&Some(excerpt_id), Bias::Left, &());