53f99e51f8
For example, this:
```css
.foo {
color: red;
&:hover {
color: green;
}
}
```
now has the same effect as this:
```css
.foo {
color: red;
}
.foo:hover {
color: green;
}
```
CSSStyleRule now has "absolutized selectors", which are its selectors
with any `&`s resolved. We use these instead of the "real" selectors
when matching them, meaning the style computer doesn't have to know or
care about where the selector appears in the CSS document.
55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2021, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <LibWeb/CSS/CSSGroupingRule.h>
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#include <LibWeb/CSS/CSSStyleDeclaration.h>
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#include <LibWeb/CSS/Selector.h>
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namespace Web::CSS {
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class CSSStyleRule final : public CSSGroupingRule {
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WEB_PLATFORM_OBJECT(CSSStyleRule, CSSGroupingRule);
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JS_DECLARE_ALLOCATOR(CSSStyleRule);
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public:
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[[nodiscard]] static JS::NonnullGCPtr<CSSStyleRule> create(JS::Realm&, SelectorList&&, PropertyOwningCSSStyleDeclaration&, CSSRuleList&);
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virtual ~CSSStyleRule() override = default;
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SelectorList const& selectors() const { return m_selectors; }
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SelectorList const& absolutized_selectors() const;
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PropertyOwningCSSStyleDeclaration const& declaration() const { return m_declaration; }
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virtual Type type() const override { return Type::Style; }
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String selector_text() const;
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void set_selector_text(StringView);
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CSSStyleDeclaration* style();
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[[nodiscard]] FlyString const& qualified_layer_name() const { return parent_layer_internal_qualified_name(); }
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private:
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CSSStyleRule(JS::Realm&, SelectorList&&, PropertyOwningCSSStyleDeclaration&, CSSRuleList&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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virtual void clear_caches() override;
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virtual String serialized() const override;
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SelectorList m_selectors;
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mutable Optional<SelectorList> m_cached_absolutized_selectors;
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JS::NonnullGCPtr<PropertyOwningCSSStyleDeclaration> m_declaration;
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};
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template<>
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inline bool CSSRule::fast_is<CSSStyleRule>() const { return type() == CSSRule::Type::Style; }
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}
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