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Use u32 more

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This commit is contained in:
Ariel Davis 2023-05-06 01:03:18 -07:00
parent 8012acc90e
commit d683e22021
1 changed files with 4 additions and 6 deletions

10
lib/line-index/src/lib.rs

@ -66,7 +66,7 @@ impl WideChar {
}
/// Returns the length in UTF-16 or UTF-32 code units.
fn wide_len(&self, enc: WideEncoding) -> usize {
fn wide_len(&self, enc: WideEncoding) -> u32 {
match enc {
WideEncoding::Utf16 => {
if self.len() == TextSize::from(4) {
@ -75,7 +75,6 @@ impl WideChar {
1
}
}
WideEncoding::Utf32 => 1,
}
}
@ -157,12 +156,11 @@ impl LineIndex {
/// Transforms the `LineCol` with the given `WideEncoding` into a `WideLineCol`.
pub fn to_wide(&self, enc: WideEncoding, line_col: LineCol) -> Option<WideLineCol> {
let col: TextSize = line_col.col.into();
let mut res: usize = col.into();
let mut col = line_col.col;
if let Some(wide_chars) = self.line_wide_chars.get(&line_col.line) {
for c in wide_chars.iter() {
if u32::from(c.end) <= line_col.col {
res -= usize::from(c.len()) - c.wide_len(enc);
col -= u32::from(c.len()) - c.wide_len(enc);
} else {
// From here on, all utf16 characters come *after* the character we are mapping,
// so we don't need to take them into account
@ -170,7 +168,7 @@ impl LineIndex {
}
}
}
Some(WideLineCol { line: line_col.line, col: res as u32 })
Some(WideLineCol { line: line_col.line, col })
}
/// Transforms the `WideLineCol` with the given `WideEncoding` into a `LineCol`.