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LibWeb: Don't emit a simple selector if nothing was consumed

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This commit is contained in:
Andreas Kling 2020-05-05 13:18:10 +02:00
parent 493cbb7956
commit 6676f2c259
1 changed files with 7 additions and 0 deletions
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7
Libraries/LibWeb/Parser/CSSParser.cpp
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@ -268,6 +268,8 @@ public:
Optional<Selector::SimpleSelector> parse_simple_selector() Optional<Selector::SimpleSelector> parse_simple_selector()
{ {
auto index_at_start = index;
if (consume_whitespace_or_comments()) if (consume_whitespace_or_comments())
return {}; return {};
@ -397,6 +399,11 @@ public:
simple_selector.pseudo_class = Selector::SimpleSelector::PseudoClass::Empty; simple_selector.pseudo_class = Selector::SimpleSelector::PseudoClass::Empty;
} }
if (index == index_at_start) {
// We consumed nothing.
return {};
}
return simple_selector; return simple_selector;
} }