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Consistency in prefix/suffix/signature of UTF16 point to point conversion

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Co-Authored-By: Max Brunsfeld <max@zed.dev>
This commit is contained in:
Julia 2022-11-23 13:52:18 -05:00
parent 03cfd23ac5
commit 55ca085d7d
2 changed files with 11 additions and 11 deletions
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16
crates/rope/src/rope.rs
View File

@ -351,16 +351,16 @@ impl Rope {
.map_or(0, |chunk| chunk.point_utf16_to_offset(overshoot, clip))
}
pub fn point_utf16_to_point_clipped(&self, point: PointUtf16) -> Point {
if point >= self.summary().lines_utf16() {
pub fn unclipped_point_utf16_to_point(&self, point: Unclipped<PointUtf16>) -> Point {
if point.0 >= self.summary().lines_utf16() {
return self.summary().lines;
}
let mut cursor = self.chunks.cursor::<(PointUtf16, Point)>();
cursor.seek(&point, Bias::Left, &());
let overshoot = point - cursor.start().0;
cursor.seek(&point.0, Bias::Left, &());
let overshoot = Unclipped(point.0 - cursor.start().0);
cursor.start().1
+ cursor.item().map_or(Point::zero(), |chunk| {
chunk.point_utf16_to_point_clipped(overshoot)
chunk.unclipped_point_utf16_to_point(overshoot)
})
}
@ -830,16 +830,16 @@ impl Chunk {
offset
}
fn point_utf16_to_point_clipped(&self, target: PointUtf16) -> Point {
fn unclipped_point_utf16_to_point(&self, target: Unclipped<PointUtf16>) -> Point {
let mut point = Point::zero();
let mut point_utf16 = PointUtf16::zero();
for ch in self.0.chars() {
if point_utf16 == target {
if point_utf16 == target.0 {
break;
}
if point_utf16 > target {
if point_utf16 > target.0 {
// If the point is past the end of a line or inside of a code point,
// return the last valid point before the target.
return point;

6
crates/text/src/text.rs
View File

@ -1598,8 +1598,8 @@ impl BufferSnapshot {
self.visible_text.unclipped_point_utf16_to_offset(point)
}
pub fn point_utf16_to_point_clipped(&self, point: PointUtf16) -> Point {
self.visible_text.point_utf16_to_point_clipped(point)
pub fn unclipped_point_utf16_to_point(&self, point: Unclipped<PointUtf16>) -> Point {
self.visible_text.unclipped_point_utf16_to_point(point)
}
pub fn offset_utf16_to_offset(&self, offset: OffsetUtf16) -> usize {
@ -2421,7 +2421,7 @@ impl ToPoint for Point {
impl ToPoint for Unclipped<PointUtf16> {
fn to_point<'a>(&self, snapshot: &BufferSnapshot) -> Point {
snapshot.point_utf16_to_point_clipped(self.0)
snapshot.unclipped_point_utf16_to_point(*self)
}
}