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LibHTML: Implement the universal selector ("*")

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This commit is contained in:
Andreas Kling 2019-11-19 18:22:12 +01:00
parent 516708aab2
commit 56dad2272c
4 changed files with 12 additions and 0 deletions
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1
Libraries/LibHTML/CSS/Selector.h
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@ -9,6 +9,7 @@ public:
struct Component { struct Component {
enum class Type { enum class Type {
Invalid, Invalid,
Universal,
TagName, TagName,
Id, Id,
Class, Class,

2
Libraries/LibHTML/CSS/SelectorEngine.cpp
View file

@ -30,6 +30,8 @@ bool matches(const Selector::Component& component, const Element& element)
} }
switch (component.type) { switch (component.type) {
case Selector::Component::Type::Universal:
return true;
case Selector::Component::Type::Id: case Selector::Component::Type::Id:
return component.value == element.attribute("id"); return component.value == element.attribute("id");
case Selector::Component::Type::Class: case Selector::Component::Type::Class:

3
Libraries/LibHTML/Dump.cpp
View file

@ -150,6 +150,9 @@ void dump_rule(const StyleRule& rule)
case Selector::Component::Type::Invalid: case Selector::Component::Type::Invalid:
type_description = "Invalid"; type_description = "Invalid";
break; break;
case Selector::Component::Type::Universal:
type_description = "Universal";
break;
case Selector::Component::Type::Id: case Selector::Component::Type::Id:
type_description = "Id"; type_description = "Id";
break; break;

6
Libraries/LibHTML/Parser/CSSParser.cpp
View file

@ -224,6 +224,12 @@ public:
consume_whitespace_or_comments(); consume_whitespace_or_comments();
} }
if (peek() == '*') {
type = Selector::Component::Type::Universal;
consume_one();
return Selector::Component { type, Selector::Component::PseudoClass::None, relation, String() };
}
if (peek() == '.') { if (peek() == '.') {
type = Selector::Component::Type::Class; type = Selector::Component::Type::Class;
consume_one(); consume_one();