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Diffstat (limited to 'crates/ide/src/syntax_highlighting/escape.rs')
| -rw-r--r-- | crates/ide/src/syntax_highlighting/escape.rs | 35 |
1 files changed, 16 insertions, 19 deletions
diff --git a/crates/ide/src/syntax_highlighting/escape.rs b/crates/ide/src/syntax_highlighting/escape.rs index 0439e509d2..2f387968c9 100644 --- a/crates/ide/src/syntax_highlighting/escape.rs +++ b/crates/ide/src/syntax_highlighting/escape.rs @@ -9,8 +9,9 @@ pub(super) fn highlight_escape_string<T: IsString>( string: &T, start: TextSize, ) { + let text = string.text(); string.escaped_char_ranges(&mut |piece_range, char| { - if string.text()[piece_range.start().into()..].starts_with('\\') { + if text[piece_range.start().into()..].starts_with('\\') { let highlight = match char { Ok(_) => HlTag::EscapeSequence, Err(_) => HlTag::InvalidEscapeSequence, @@ -33,17 +34,15 @@ pub(super) fn highlight_escape_char(stack: &mut Highlights, char: &Char, start: } let text = char.text(); - if !text.starts_with('\'') || !text.ends_with('\'') { + let Some(text) = text + .strip_prefix('\'') + .and_then(|it| it.strip_suffix('\'')) + .filter(|it| it.starts_with('\\')) + else { return; - } - - let text = &text[1..text.len() - 1]; - if !text.starts_with('\\') { - return; - } + }; - let range = - TextRange::new(start + TextSize::from(1), start + TextSize::from(text.len() as u32 + 1)); + let range = TextRange::at(start + TextSize::from(1), TextSize::from(text.len() as u32)); stack.add(HlRange { range, highlight: HlTag::EscapeSequence.into(), binding_hash: None }) } @@ -54,16 +53,14 @@ pub(super) fn highlight_escape_byte(stack: &mut Highlights, byte: &Byte, start: } let text = byte.text(); - if !text.starts_with("b'") || !text.ends_with('\'') { + let Some(text) = text + .strip_prefix("b'") + .and_then(|it| it.strip_suffix('\'')) + .filter(|it| it.starts_with('\\')) + else { return; - } - - let text = &text[2..text.len() - 1]; - if !text.starts_with('\\') { - return; - } + }; - let range = - TextRange::new(start + TextSize::from(2), start + TextSize::from(text.len() as u32 + 2)); + let range = TextRange::at(start + TextSize::from(2), TextSize::from(text.len() as u32)); stack.add(HlRange { range, highlight: HlTag::EscapeSequence.into(), binding_hash: None }) } |