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LibHTML: Support the :only-child pseudo class

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This commit is contained in:
Andreas Kling 2019-12-16 19:52:11 +01:00
parent 085cafd80a
commit 91ba94fbd4
5 changed files with 36 additions and 0 deletions
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4
Libraries/LibHTML/CSS/SelectorEngine.cpp
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@ -36,6 +36,10 @@ bool matches(const Selector::SimpleSelector& component, const Element& element)
if (element.next_element_sibling())
return false;
break;
case Selector::SimpleSelector::PseudoClass::OnlyChild:
if (element.previous_element_sibling() || element.next_element_sibling())
return false;
break;
case Selector::SimpleSelector::PseudoClass::Empty:
if (element.first_child_of_type<Element>() || element.first_child_of_type<Text>())
return false;