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Implement SuggestionSnapshot::to_point

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This commit is contained in:
Antonio Scandurra 2023-03-21 11:27:55 +01:00
parent f829ce5641
commit d448a5cb5c
1 changed files with 32 additions and 0 deletions
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32
crates/editor/src/display_map/suggestion_map.rs
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@ -250,6 +250,32 @@ impl SuggestionSnapshot {
}
}
pub fn to_point(&self, offset: SuggestionOffset) -> SuggestionPoint {
if let Some(suggestion) = self.suggestion.as_ref() {
let suggestion_point_start = suggestion.position.to_point(&self.fold_snapshot).0;
if offset.0 <= suggestion.position.0 {
SuggestionPoint(FoldOffset(offset.0).to_point(&self.fold_snapshot).0)
} else if offset.0 > (suggestion.position.0 + suggestion.text.len()) {
let fold_point = FoldOffset(offset.0 - suggestion.text.len())
.to_point(&self.fold_snapshot)
.0;
SuggestionPoint(
suggestion_point_start
+ suggestion.text.max_point()
+ (fold_point - suggestion_point_start),
)
} else {
let point_in_suggestion = suggestion
.text
.offset_to_point(offset.0 - suggestion.position.0);
SuggestionPoint(suggestion_point_start + point_in_suggestion)
}
} else {
SuggestionPoint(FoldOffset(offset.0).to_point(&self.fold_snapshot).0)
}
}
pub fn line_len(&self, row: u32) -> u32 {
if let Some(suggestion) = self.suggestion.as_ref() {
let suggestion_lines = suggestion.text.max_point();
@ -707,6 +733,12 @@ mod tests {
"invalid to_offset({:?})",
suggestion_point
);
assert_eq!(
suggestion_snapshot.to_point(suggestion_offset),
suggestion_point,
"invalid to_point({:?})",
suggestion_offset
);
let mut bytes = [0; 4];
for byte in ch.encode_utf8(&mut bytes).as_bytes() {