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Implement toggle-comments

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This commit is contained in:
Max Brunsfeld 2021-11-23 14:13:28 -08:00
parent 2e2bce7322
commit f0db748ba1
5 changed files with 198 additions and 7 deletions
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16
crates/buffer/src/lib.rs
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@ -564,6 +564,10 @@ impl Buffer {
self.content().line_len(row)
}
pub fn is_line_blank(&self, row: u32) -> bool {
self.content().is_line_blank(row)
}
pub fn max_point(&self) -> Point {
self.visible_text.max_point()
}
@ -1557,6 +1561,10 @@ impl Snapshot {
self.content().line_len(row)
}
pub fn is_line_blank(&self, row: u32) -> bool {
self.content().is_line_blank(row)
}
pub fn indent_column_for_line(&self, row: u32) -> u32 {
self.content().indent_column_for_line(row)
}
@ -1574,8 +1582,7 @@ impl Snapshot {
}
pub fn text_for_range<T: ToOffset>(&self, range: Range<T>) -> Chunks {
let range = range.start.to_offset(self)..range.end.to_offset(self);
self.visible_text.chunks_in_range(range)
self.content().text_for_range(range)
}
pub fn text_summary_for_range<T>(&self, range: Range<T>) -> TextSummary
@ -1725,6 +1732,11 @@ impl<'a> Content<'a> {
(row_end_offset - row_start_offset) as u32
}
fn is_line_blank(&self, row: u32) -> bool {
self.text_for_range(Point::new(row, 0)..Point::new(row, self.line_len(row)))
.all(|chunk| chunk.matches(|c: char| !c.is_whitespace()).next().is_none())
}
pub fn indent_column_for_line(&self, row: u32) -> u32 {
let mut result = 0;
for c in self.chars_at(Point::new(row, 0)) {