55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
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/*
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* Copyright (c) 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 <AK/Optional.h>
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#include <LibWeb/CSS/CSSGroupingRule.h>
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#include <LibWeb/CSS/Selector.h>
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#include <LibWeb/Forward.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/css-cascade-6/#the-cssscoperule-interface
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class CSSScopeRule final : public CSSGroupingRule {
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WEB_PLATFORM_OBJECT(CSSScopeRule, CSSGroupingRule);
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GC_DECLARE_ALLOCATOR(CSSScopeRule);
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public:
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[[nodiscard]] static GC::Ref<CSSScopeRule> create(JS::Realm&, Optional<SelectorList>&& start_selectors, Optional<SelectorList>&& end_selectors, CSSRuleList&);
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virtual ~CSSScopeRule() override;
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Optional<SelectorList> const& start_selectors() const { return m_start_selectors; }
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Optional<SelectorList> const& end_selectors() const { return m_end_selectors; }
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Optional<SelectorList> const& start_selectors_for_matching() const;
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Optional<SelectorList> const& end_selectors_for_matching() const;
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GC::Ptr<CSSScopeRule const> nearest_ancestor_scope_rule() const;
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Optional<String> start() const;
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Optional<String> end() const;
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private:
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CSSScopeRule(JS::Realm&, Optional<SelectorList>&& start_selectors, Optional<SelectorList>&& end_selectors, 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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virtual void dump(StringBuilder&, int indent_levels) const override;
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Optional<SelectorList> m_start_selectors;
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Optional<SelectorList> m_end_selectors;
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mutable Optional<SelectorList> m_cached_start_selectors_for_matching;
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mutable Optional<SelectorList> m_cached_end_selectors_for_matching;
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mutable Optional<GC::Ptr<CSSScopeRule const>> m_cached_nearest_ancestor_scope_rule;
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};
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template<>
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inline bool CSSRule::fast_is<CSSScopeRule>() const { return type() == CSSRule::Type::Scope; }
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}
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