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LibWeb: Implement the :defined pseudo class

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This selects an element if it is either a built-in element, or an
upgraded custom element.
This commit is contained in:
Luke Wilde 2023-03-29 23:48:40 +01:00 • committed by Andreas Kling
parent 6ebdb9f824
commit a744ae79ff
5 changed files with 11 additions and 0 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View file

@ -494,6 +494,8 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Checked);
if (pseudo_name.equals_ignoring_ascii_case("indeterminate"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Indeterminate);
if (pseudo_name.equals_ignoring_ascii_case("defined"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Defined);
if (pseudo_name.equals_ignoring_ascii_case("disabled"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Disabled);
if (pseudo_name.equals_ignoring_ascii_case("empty"sv))

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

@ -228,6 +228,7 @@ ErrorOr<String> Selector::SimpleSelector::serialize() const
case Selector::SimpleSelector::PseudoClass::Type::Checked:
case Selector::SimpleSelector::PseudoClass::Type::Active:
case Selector::SimpleSelector::PseudoClass::Type::Scope:
case Selector::SimpleSelector::PseudoClass::Type::Defined:
// If the pseudo-class does not accept arguments append ":" (U+003A), followed by the name of the pseudo-class, to s.
TRY(s.try_append(':'));
TRY(s.try_append(pseudo_class_name(pseudo_class.type)));

3
Userland/Libraries/LibWeb/CSS/Selector.h
View file

@ -112,6 +112,7 @@ public:
Active,
Lang,
Scope,
Defined,
};
Type type;
@ -295,6 +296,8 @@ constexpr StringView pseudo_class_name(Selector::SimpleSelector::PseudoClass::Ty
return "lang"sv;
case Selector::SimpleSelector::PseudoClass::Type::Scope:
return "scope"sv;
case Selector::SimpleSelector::PseudoClass::Type::Defined:
return "defined"sv;
}
VERIFY_NOT_REACHED();
}

2
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -268,6 +268,8 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
return matches_checked_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Indeterminate:
return matches_indeterminate_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Defined:
return element.is_defined();
case CSS::Selector::SimpleSelector::PseudoClass::Type::Is:
case CSS::Selector::SimpleSelector::PseudoClass::Type::Where:
for (auto& selector : pseudo_class.argument_selector_list) {

3
Userland/Libraries/LibWeb/Dump.cpp
View file

@ -459,6 +459,9 @@ void dump_selector(StringBuilder& builder, CSS::Selector const& selector)
case CSS::Selector::SimpleSelector::PseudoClass::Type::Scope:
pseudo_class_description = "Scope";
break;
case CSS::Selector::SimpleSelector::PseudoClass::Type::Defined:
pseudo_class_description = "Defined";
break;
}
builder.appendff(" pseudo_class={}", pseudo_class_description);