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Implement SuggestionSnapshot::to_{fold,suggestion}_point

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This commit is contained in:
Antonio Scandurra 2023-03-21 11:39:29 +01:00
parent d448a5cb5c
commit 35830a0271
1 changed files with 37 additions and 0 deletions
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37
crates/editor/src/display_map/suggestion_map.rs
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@ -276,6 +276,38 @@ impl SuggestionSnapshot {
}
}
pub fn to_fold_point(&self, point: SuggestionPoint) -> FoldPoint {
if let Some(suggestion) = self.suggestion.as_ref() {
let suggestion_start = suggestion.position.to_point(&self.fold_snapshot).0;
let suggestion_end = suggestion_start + suggestion.text.max_point();
if point.0 <= suggestion_start {
FoldPoint(point.0)
} else if point.0 > suggestion_end {
FoldPoint(suggestion_start + (point.0 - suggestion_end))
} else {
FoldPoint(suggestion_start)
}
} else {
FoldPoint(point.0)
}
}
pub fn to_suggestion_point(&self, point: FoldPoint) -> SuggestionPoint {
if let Some(suggestion) = self.suggestion.as_ref() {
let suggestion_start = suggestion.position.to_point(&self.fold_snapshot).0;
if point.0 <= suggestion_start {
SuggestionPoint(point.0)
} else {
let suggestion_end = suggestion_start + suggestion.text.max_point();
SuggestionPoint(suggestion_end + (point.0 - suggestion_start))
}
} else {
SuggestionPoint(point.0)
}
}
pub fn line_len(&self, row: u32) -> u32 {
if let Some(suggestion) = self.suggestion.as_ref() {
let suggestion_lines = suggestion.text.max_point();
@ -739,6 +771,11 @@ mod tests {
"invalid to_point({:?})",
suggestion_offset
);
assert_eq!(
suggestion_snapshot
.to_suggestion_point(suggestion_snapshot.to_fold_point(suggestion_point)),
suggestion_snapshot.clip_point(suggestion_point, Bias::Left),
);
let mut bytes = [0; 4];
for byte in ch.encode_utf8(&mut bytes).as_bytes() {