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Add tests and fix bugs for editor indent/outdent commands w/ hard tabs

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This commit is contained in:
Max Brunsfeld 2022-06-09 10:26:09 -07:00
parent 77b9ab0885
commit 7bb7187619
4 changed files with 127 additions and 29 deletions
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14
crates/language/src/buffer.rs
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@ -2002,15 +2002,15 @@ impl BufferSnapshot {
pub fn indent_size_for_line(text: &text::BufferSnapshot, row: u32) -> IndentSize {
let mut result = IndentSize::spaces(0);
for c in text.chars_at(Point::new(row, 0)) {
match (c, &result.kind) {
(' ', IndentKind::Space) | ('\t', IndentKind::Tab) => result.len += 1,
('\t', IndentKind::Space) => {
if result.len == 0 {
result = IndentSize::tab();
}
}
let kind = match c {
' ' => IndentKind::Space,
'\t' => IndentKind::Tab,
_ => break,
};
if result.len == 0 {
result.kind = kind;
}
result.len += 1;
}
result
}