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LibURL/Pattern: Fix PatternParser logic for prefix codepoint comparison

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We were not properly handling the case that prefix code point was the
empty string (which we represent as an OptionalNone). While this
still resulted in the correct pattern string being generated, an
incorrect regular expression was being generated causing matching
to fail.
This commit is contained in:
Shannon Booth 2025-04-07 15:50:06 +12:00 • committed by Tim Flynn
commit 0a58497ab9
Notes: github-actions[bot] 2025-04-07 14:30:11 +00:00
2 changed files with 4 additions and 4 deletions
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2
Libraries/LibURL/Pattern/PatternParser.cpp
View file

@ -311,7 +311,7 @@ PatternErrorOr<Vector<Part>> PatternParser::parse(Utf8View const& input, Options
prefix = char_token->value;
// 3. If prefix is not the empty string and not options’s prefix code point:
if (!prefix.is_empty() && options.prefix_code_point.has_value() && prefix != String::from_code_point(*options.prefix_code_point)) {
if (!prefix.is_empty() && (!options.prefix_code_point.has_value() || prefix != String::from_code_point(*options.prefix_code_point))) {
// 1. Append prefix to the end of parser’s pending fixed value.
parser.m_pending_fixed_value.append(prefix);

6
Tests/LibWeb/Text/expected/wpt-import/urlpattern/urlpattern.any.txt
View file

@ -2,8 +2,8 @@ Harness status: OK
Found 354 tests
352 Pass
2 Fail
353 Pass
1 Fail
Pass Loading data...
Pass Pattern: [{"pathname":"/foo/bar"}] Inputs: [{"pathname":"/foo/bar"}]
Pass Pattern: [{"pathname":"/foo/bar"}] Inputs: [{"pathname":"/foo/ba"}]
@ -282,7 +282,7 @@ Pass Pattern: [{"hostname":"[*\\:1]"}] Inputs: [{"hostname":"[::ab:1]"}]
Pass Pattern: [{"hostname":"*\\:1]"}] Inputs: undefined
Pass Pattern: ["https://foo{{@}}example.com"] Inputs: ["https://foo@example.com"]
Pass Pattern: ["https://foo{@example.com"] Inputs: ["https://foo@example.com"]
Fail Pattern: ["data\\:text/javascript,let x = 100/:tens?5;"] Inputs: ["data:text/javascript,let x = 100/5;"]
Pass Pattern: ["data\\:text/javascript,let x = 100/:tens?5;"] Inputs: ["data:text/javascript,let x = 100/5;"]
Pass Pattern: [{"pathname":"/:id/:id"}] Inputs: undefined
Pass Pattern: [{"pathname":"/foo","baseURL":""}] Inputs: undefined
Pass Pattern: ["/foo",""] Inputs: undefined