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52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.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/Bindings/PlatformObject.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/WebIDL/Types.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#abstractrange
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class AbstractRange : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(AbstractRange, Bindings::PlatformObject);
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public:
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virtual ~AbstractRange() override;
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Node* start_container() { return m_start_container.ptr(); }
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Node const* start_container() const { return m_start_container.ptr(); }
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WebIDL::UnsignedLong start_offset() const { return m_start_offset; }
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Node* end_container() { return m_end_container.ptr(); }
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Node const* end_container() const { return m_end_container.ptr(); }
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WebIDL::UnsignedLong end_offset() const { return m_end_offset; }
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// https://dom.spec.whatwg.org/#range-collapsed
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bool collapsed() const
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{
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// A range is collapsed if its start node is its end node and its start offset is its end offset.
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return start_container() == end_container() && start_offset() == end_offset();
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}
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protected:
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AbstractRange(Node& start_container, WebIDL::UnsignedLong start_offset, Node& end_container, WebIDL::UnsignedLong end_offset);
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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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JS::NonnullGCPtr<Node> m_start_container;
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WebIDL::UnsignedLong m_start_offset;
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JS::NonnullGCPtr<Node> m_end_container;
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WebIDL::UnsignedLong m_end_offset;
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};
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}
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