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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Runtime/Error.h>
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#include <LibWeb/DOM/StaticNodeList.h>
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namespace Web::DOM {
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JS_DEFINE_ALLOCATOR(StaticNodeList);
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JS::NonnullGCPtr<NodeList> StaticNodeList::create(JS::Realm& realm, Vector<JS::Handle<Node>> static_nodes)
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{
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return realm.heap().allocate<StaticNodeList>(realm, realm, move(static_nodes));
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}
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StaticNodeList::StaticNodeList(JS::Realm& realm, Vector<JS::Handle<Node>> static_nodes)
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: NodeList(realm)
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{
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for (auto& node : static_nodes)
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m_static_nodes.append(*node);
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}
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StaticNodeList::~StaticNodeList() = default;
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void StaticNodeList::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_static_nodes);
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}
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// https://dom.spec.whatwg.org/#dom-nodelist-length
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u32 StaticNodeList::length() const
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{
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return m_static_nodes.size();
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}
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// https://dom.spec.whatwg.org/#dom-nodelist-item
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Node const* StaticNodeList::item(u32 index) const
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{
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// The item(index) method must return the indexth node in the collection. If there is no indexth node in the collection, then the method must return null.
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if (index >= m_static_nodes.size())
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return nullptr;
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return m_static_nodes[index];
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}
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// https://dom.spec.whatwg.org/#ref-for-dfn-supported-property-indices
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bool StaticNodeList::is_supported_property_index(u32 index) const
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{
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// The object’s supported property indices are the numbers in the range zero to one less than the number of nodes represented by the collection.
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// If there are no such elements, then there are no supported property indices.
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return index < m_static_nodes.size();
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}
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}
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