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29 #ifndef StaticNodeList_h
30 #define StaticNodeList_h
32 #include "core/dom/NodeList.h"
33 #include "wtf/PassRefPtr.h"
34 #include "wtf/RefPtr.h"
35 #include "wtf/Vector.h"
43 template <typename NodeType>
44 class StaticNodeTypeList final : public NodeList {
46 static PassRefPtrWillBeRawPtr<StaticNodeTypeList> adopt(WillBeHeapVector<RefPtrWillBeMember<NodeType> >& nodes);
48 static PassRefPtrWillBeRawPtr<StaticNodeTypeList> createEmpty()
50 return adoptRefWillBeNoop(new StaticNodeTypeList);
53 virtual ~StaticNodeTypeList();
55 virtual unsigned length() const override;
56 virtual NodeType* item(unsigned index) const override;
58 virtual void trace(Visitor*) override;
61 ptrdiff_t AllocationSize()
63 return m_nodes.capacity() * sizeof(RefPtrWillBeMember<NodeType>);
66 WillBeHeapVector<RefPtrWillBeMember<NodeType> > m_nodes;
69 typedef StaticNodeTypeList<Node> StaticNodeList;
70 typedef StaticNodeTypeList<Element> StaticElementList;
72 template <typename NodeType>
73 PassRefPtrWillBeRawPtr<StaticNodeTypeList<NodeType> > StaticNodeTypeList<NodeType>::adopt(WillBeHeapVector<RefPtrWillBeMember<NodeType> >& nodes)
75 RefPtrWillBeRawPtr<StaticNodeTypeList<NodeType> > nodeList = adoptRefWillBeNoop(new StaticNodeTypeList<NodeType>);
76 nodeList->m_nodes.swap(nodes);
77 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(nodeList->AllocationSize());
78 return nodeList.release();
81 template <typename NodeType>
82 StaticNodeTypeList<NodeType>::~StaticNodeTypeList()
84 v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-AllocationSize());
87 template <typename NodeType>
88 unsigned StaticNodeTypeList<NodeType>::length() const
90 return m_nodes.size();
93 template <typename NodeType>
94 NodeType* StaticNodeTypeList<NodeType>::item(unsigned index) const
96 if (index < m_nodes.size())
97 return m_nodes[index].get();
101 template <typename NodeType>
102 void StaticNodeTypeList<NodeType>::trace(Visitor* visitor)
104 visitor->trace(m_nodes);
105 NodeList::trace(visitor);
110 #endif // StaticNodeList_h