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LibWeb: Add support for more pseudoclasses

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:disabled, :enabled and :checked are now parsed and matched. There
surely are more nuances to consider.
This commit is contained in:
Tobias Christiansen 2021-05-23 22:36:36 +02:00 committed by Ali Mohammad Pur
parent 4f4cde2379
commit b53dac6e88
Notes: sideshowbarker 2024-07-18 17:29:28 +09:00 
Author: https://github.com/TobyAsE
Commit: https://github.com/SerenityOS/serenity/commit/b53dac6e887
Pull-request: https://github.com/SerenityOS/serenity/pull/7430
4 changed files with 36 additions and 0 deletions
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6
Userland/Libraries/LibWeb/CSS/Parser/DeprecatedCSSParser.cpp
View file

@ -573,6 +573,12 @@ public:
simple_selector.pseudo_element = CSS::Selector::SimpleSelector::PseudoElement::Before; simple_selector.pseudo_element = CSS::Selector::SimpleSelector::PseudoElement::Before;
} else if (pseudo_name.equals_ignoring_case("after")) { } else if (pseudo_name.equals_ignoring_case("after")) {
simple_selector.pseudo_element = CSS::Selector::SimpleSelector::PseudoElement::After; simple_selector.pseudo_element = CSS::Selector::SimpleSelector::PseudoElement::After;
} else if (pseudo_name.equals_ignoring_case("disabled")) {
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::Disabled;
} else if (pseudo_name.equals_ignoring_case("enabled")) {
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::Enabled;
} else if (pseudo_name.equals_ignoring_case("checked")) {
simple_selector.pseudo_class = CSS::Selector::SimpleSelector::PseudoClass::Checked;
} else { } else {
dbgln("Unknown pseudo class: '{}'", pseudo_name); dbgln("Unknown pseudo class: '{}'", pseudo_name);
return {}; return {};

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

@ -38,6 +38,9 @@ public:
LastOfType, LastOfType,
NthChild, NthChild,
NthLastChild, NthLastChild,
Disabled,
Enabled,
Checked,
}; };
PseudoClass pseudo_class { PseudoClass::None }; PseudoClass pseudo_class { PseudoClass::None };

18
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -82,6 +82,24 @@ static bool matches(const CSS::Selector::SimpleSelector& component, const DOM::E
return false; return false;
} }
break; break;
case CSS::Selector::SimpleSelector::PseudoClass::Disabled:
if (!element.tag_name().equals_ignoring_case(HTML::TagNames::input))
return false;
if (!element.has_attribute("disabled"))
return false;
break;
case CSS::Selector::SimpleSelector::PseudoClass::Enabled:
if (!element.tag_name().equals_ignoring_case(HTML::TagNames::input))
return false;
if (element.has_attribute("disabled"))
return false;
break;
case CSS::Selector::SimpleSelector::PseudoClass::Checked:
if (!element.tag_name().equals_ignoring_case(HTML::TagNames::input))
return false;
if (!element.has_attribute("checked"))
return false;
break;
case CSS::Selector::SimpleSelector::PseudoClass::NthChild: case CSS::Selector::SimpleSelector::PseudoClass::NthChild:
case CSS::Selector::SimpleSelector::PseudoClass::NthLastChild: case CSS::Selector::SimpleSelector::PseudoClass::NthLastChild:
const auto step_size = component.nth_child_pattern.step_size; const auto step_size = component.nth_child_pattern.step_size;

9
Userland/Libraries/LibWeb/Dump.cpp
View file

@ -375,6 +375,15 @@ void dump_selector(StringBuilder& builder, const CSS::Selector& selector)
case CSS::Selector::SimpleSelector::PseudoClass::OnlyChild: case CSS::Selector::SimpleSelector::PseudoClass::OnlyChild:
pseudo_class_description = "OnlyChild"; pseudo_class_description = "OnlyChild";
break; break;
case CSS::Selector::SimpleSelector::PseudoClass::Disabled:
pseudo_class_description = "Disabled";
break;
case CSS::Selector::SimpleSelector::PseudoClass::Enabled:
pseudo_class_description = "Enabled";
break;
case CSS::Selector::SimpleSelector::PseudoClass::Checked:
pseudo_class_description = "Checked";
break;
} }
builder.appendff("{}:{}", type_description, simple_selector.value); builder.appendff("{}:{}", type_description, simple_selector.value);