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LibWeb: Support multiple values in :lang()
selector
Parse them, and also don't give up completely if the first language listed doesn't match an element.
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5 changed files with 63 additions and 7 deletions
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@ -44,13 +44,14 @@ static inline bool matches_lang_pseudo_class(DOM::Element const& element, Vector
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// FIXME: This is ad-hoc. Implement a proper language range matching algorithm as recommended by BCP47.
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for (auto const& language : languages) {
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if (language.is_empty())
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return false;
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continue;
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if (language == "*"sv)
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return true;
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if (!element_language.to_string().contains('-'))
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return Infra::is_ascii_case_insensitive_match(element_language, language);
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if (!element_language.to_string().contains('-') && Infra::is_ascii_case_insensitive_match(element_language, language))
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return true;
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auto parts = element_language.to_string().split_limit('-', 2).release_value_but_fixme_should_propagate_errors();
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return Infra::is_ascii_case_insensitive_match(parts[0], language);
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if (Infra::is_ascii_case_insensitive_match(parts[0], language))
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return true;
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}
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return false;
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}
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