mirror of
https://github.com/RGBCube/serenity
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b67f6daf05
This is similar to how Gecko avoids a reference cycle, where both the NamedNodeMap and Attribute would otherwise store a strong reference to their associated Element. Gecko manually clears stored raw references when an Element is destroyed, whereas we use weak references to do so automatically. Attribute's ownerElement getter and setter are moved out of line to avoid an #include cycle between Element and Attribute.
36 lines
914 B
C++
36 lines
914 B
C++
/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/Attribute.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Element.h>
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namespace Web::DOM {
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NonnullRefPtr<Attribute> Attribute::create(Document& document, FlyString local_name, String value, Element const* owner_element)
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{
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return adopt_ref(*new Attribute(document, move(local_name), move(value), owner_element));
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}
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Attribute::Attribute(Document& document, FlyString local_name, String value, Element const* owner_element)
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: Node(document, NodeType::ATTRIBUTE_NODE)
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, m_qualified_name(move(local_name), {}, {})
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, m_value(move(value))
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, m_owner_element(owner_element)
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{
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}
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Element const* Attribute::owner_element() const
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{
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return m_owner_element;
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}
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void Attribute::set_owner_element(Element const* owner_element)
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{
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m_owner_element = owner_element;
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}
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}
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