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zeta: Small refactoring in license detection check - rfind instead of iterated ends_with (#37329)

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- N/A
This commit is contained in:
Michael Sloan
2025-09-02 17:23:35 +00:00
committed by GitHub
parent dfa066dfe8
commit c01f12b15d
1 changed files with 7 additions and 14 deletions
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crates/zeta/src/license_detection.rs
+7 -14
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@@ -202,20 +202,13 @@ fn check_pattern(pattern: &[PatternPart], input: &str) -> bool {
match_any_chars.end += part.match_any_chars.end;
continue;
}
let mut matched = false;
for skip_count in match_any_chars.start..=match_any_chars.end {
let end_ix = input_ix.saturating_sub(skip_count);
if end_ix < part.text.len() {
break;
}
if input[..end_ix].ends_with(&part.text) {
matched = true;
input_ix = end_ix - part.text.len();
match_any_chars = part.match_any_chars.clone();
break;
}
}
if !matched && !part.optional {
let search_range_start = input_ix.saturating_sub(match_any_chars.end + part.text.len());
let search_range_end = input_ix.saturating_sub(match_any_chars.start);
let found_ix = &input[search_range_start..search_range_end].rfind(&part.text);
if let Some(found_ix) = found_ix {
input_ix = search_range_start + found_ix;
match_any_chars = part.match_any_chars.clone();
} else if !part.optional {
log::trace!(
"Failed to match pattern `...{}` against input `...{}`",
&part.text[part.text.len().saturating_sub(128)..],