Allow a single start/end bias per AnchorRangeMap

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-11-25 16:53:10 +01:00
parent f42fd8e1bb
commit 2f43ef67fd
3 changed files with 43 additions and 38 deletions

View file

@ -29,7 +29,9 @@ pub struct AnchorSet(pub(crate) AnchorMap<()>);
#[derive(Clone)]
pub struct AnchorRangeMap<T> {
pub(crate) version: clock::Global,
pub(crate) entries: Vec<(Range<(FullOffset, Bias)>, T)>,
pub(crate) entries: Vec<(Range<FullOffset>, T)>,
pub(crate) start_bias: Bias,
pub(crate) end_bias: Bias,
}
#[derive(Clone)]
@ -174,9 +176,16 @@ impl<T> AnchorRangeMap<T> {
pub fn from_full_offset_ranges(
version: clock::Global,
entries: Vec<(Range<(FullOffset, Bias)>, T)>,
start_bias: Bias,
end_bias: Bias,
entries: Vec<(Range<FullOffset>, T)>,
) -> Self {
Self { version, entries }
Self {
version,
start_bias,
end_bias,
entries,
}
}
pub fn ranges<'a, D>(
@ -190,10 +199,8 @@ impl<T> AnchorRangeMap<T> {
content.summaries_for_anchor_ranges(self)
}
pub fn full_offset_ranges(&self) -> impl Iterator<Item = (Range<FullOffset>, &T)> {
self.entries
.iter()
.map(|(range, value)| (range.start.0..range.end.0, value))
pub fn full_offset_ranges(&self) -> impl Iterator<Item = &(Range<FullOffset>, T)> {
self.entries.iter()
}
pub fn min_by_key<'a, C, D, F, K>(
@ -232,25 +239,19 @@ impl<T> AnchorRangeMap<T> {
.map(|(range, value)| (self.resolve_range(range, &content), value))
}
fn resolve_range<'a, D>(
&self,
range: &Range<(FullOffset, Bias)>,
content: &Content<'a>,
) -> Range<D>
fn resolve_range<'a, D>(&self, range: &Range<FullOffset>, content: &Content<'a>) -> Range<D>
where
D: 'a + TextDimension<'a>,
{
let (start, start_bias) = range.start;
let mut anchor = Anchor {
full_offset: start,
bias: start_bias,
full_offset: range.start,
bias: self.start_bias,
version: self.version.clone(),
};
let start = content.summary_for_anchor(&anchor);
let (end, end_bias) = range.end;
anchor.full_offset = end;
anchor.bias = end_bias;
anchor.full_offset = range.end;
anchor.bias = self.end_bias;
let end = content.summary_for_anchor(&anchor);
start..end