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c67172f368
This is preparation for nested declarations inside `@scope`. User code no longer makes assumptions about there being a style rule parent, as there may not be one. We cache the absolutized selectors because `@scope` will require us to modify the parent's selectors instead of using them directly.
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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* Copyright (c) 2024-2026, Sam Atkins <sam@ladybird.org>
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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 <LibWeb/CSS/CSSRule.h>
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#include <LibWeb/CSS/CSSStyleProperties.h>
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#include <LibWeb/CSS/Parser/Types.h>
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namespace Web::CSS {
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class CSSNestedDeclarations final : public CSSRule {
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WEB_PLATFORM_OBJECT(CSSNestedDeclarations, CSSRule);
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GC_DECLARE_ALLOCATOR(CSSNestedDeclarations);
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public:
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[[nodiscard]] static GC::Ref<CSSNestedDeclarations> create(JS::Realm&, Parser::Parser&, Vector<Parser::Declaration> const&);
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[[nodiscard]] static GC::Ref<CSSNestedDeclarations> create(JS::Realm&, CSSStyleProperties&);
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virtual ~CSSNestedDeclarations() override = default;
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SelectorList const& absolutized_selectors() const;
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[[nodiscard]] FlyString const& qualified_layer_name() const { return parent_layer_internal_qualified_name(); }
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CSSStyleProperties const& declaration() const { return m_declaration; }
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GC::Ref<CSSStyleProperties> style();
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CSSStyleRule const& parent_style_rule() const;
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private:
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CSSNestedDeclarations(JS::Realm&, CSSStyleProperties&);
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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 String serialized() const override;
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virtual void clear_caches() override;
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virtual void dump(StringBuilder&, int indent_levels) const override;
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GC::Ref<CSSStyleProperties> m_declaration;
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GC::Ptr<CSSStyleRule const> mutable m_parent_style_rule;
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mutable Optional<SelectorList> m_cached_absolutized_selectors;
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};
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template<>
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inline bool CSSRule::fast_is<CSSNestedDeclarations>() const { return type() == CSSRule::Type::NestedDeclarations; }
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}
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