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LibWeb: Support the :last-of-type CSS selector :^)

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This commit is contained in:
Andreas Kling 2021-04-06 13:06:25 +02:00
parent 0eb9a9dd13
commit 1d065aa51b
6 changed files with 25 additions and 0 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
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@ -556,6 +556,8 @@ public:
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::Root;
} else if (pseudo_name.equals_ignoring_case("first-of-type")) {
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::FirstOfType;
} else if (pseudo_name.equals_ignoring_case("last-of-type")) {
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::LastOfType;
} else if (pseudo_name.equals_ignoring_case("before")) {
simple_selector.pseudo_element = CSS::Selector::SimpleSelector::PseudoElement::Before;
} else if (pseudo_name.equals_ignoring_case("after")) {

1
Userland/Libraries/LibWeb/CSS/Selector.h
View file

@ -55,6 +55,7 @@ public:
Empty,
Root,
FirstOfType,
LastOfType,
};
PseudoClass pseudo_class { PseudoClass::None };

6
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -96,6 +96,12 @@ static bool matches(const CSS::Selector::SimpleSelector& component, const DOM::E
return false;
}
break;
case CSS::Selector::SimpleSelector::PseudoClass::LastOfType:
for (auto* sibling = element.next_element_sibling(); sibling; sibling = sibling->next_element_sibling()) {
if (sibling->tag_name() == element.tag_name())
return false;
}
break;
}
switch (component.attribute_match_type) {