diff options
| -rw-r--r-- | Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp | 18 | ||||
| -rw-r--r-- | Userland/Libraries/LibWeb/CSS/Parser/Parser.h | 1 |
2 files changed, 17 insertions, 2 deletions
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp index e634822f8a..a8c6ff4d39 100644 --- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp +++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp @@ -491,6 +491,8 @@ Result<Selector::SimpleSelector, Parser::SelectorParsingResult> Parser::parse_si } auto pseudo_name = name_token.token().ident(); + if (has_ignored_vendor_prefix(pseudo_name)) + return SelectorParsingResult::IncludesIgnoredVendorPrefix; if (pseudo_name.equals_ignoring_case("after")) { simple_selector.pseudo_element = Selector::SimpleSelector::PseudoElement::After; @@ -518,6 +520,9 @@ Result<Selector::SimpleSelector, Parser::SelectorParsingResult> Parser::parse_si if (pseudo_class_token.is(Token::Type::Ident)) { auto pseudo_name = pseudo_class_token.token().ident(); + if (has_ignored_vendor_prefix(pseudo_name)) + return SelectorParsingResult::IncludesIgnoredVendorPrefix; + if (pseudo_name.equals_ignoring_case("active")) { simple_selector.pseudo_class.type = Selector::SimpleSelector::PseudoClass::Type::Active; } else if (pseudo_name.equals_ignoring_case("checked")) { @@ -1223,8 +1228,17 @@ RefPtr<CSSRule> Parser::convert_to_rule(NonnullRefPtr<StyleRule> rule) } else { auto prelude_stream = TokenStream(rule->m_prelude); auto selectors = parse_a_selector(prelude_stream); - if (selectors.is_error() || selectors.value().is_empty()) { - dbgln("CSSParser: style rule selectors invalid; discarding."); + + if (selectors.is_error()) { + if (selectors.error() != SelectorParsingResult::IncludesIgnoredVendorPrefix) { + dbgln("CSSParser: style rule selectors invalid; discarding."); + prelude_stream.dump_all_tokens(); + } + return {}; + } + + if (selectors.value().is_empty()) { + dbgln("CSSParser: empty selector; discarding."); prelude_stream.dump_all_tokens(); return {}; } diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h index bad9bd0a2c..50a344ce4d 100644 --- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.h +++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.h @@ -102,6 +102,7 @@ public: private: enum class SelectorParsingResult { Done, + IncludesIgnoredVendorPrefix, SyntaxError, }; |