Source/core/dom/StaticNodeList.cpp

/*
 * Copyright (C) 2007, 2010 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *
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 *     notice, this list of conditions and the following disclaimer.
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 *     notice, this list of conditions and the following disclaimer in the
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 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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#include "config.h"
#include "core/dom/StaticNodeList.h"

#include "core/dom/Element.h"
#include <v8.h>

namespace WebCore {

PassRefPtrWillBeRawPtr<StaticNodeList> StaticNodeList::adopt(WillBeHeapVector<RefPtrWillBeMember<Node> >& nodes)
{
    RefPtrWillBeRawPtr<StaticNodeList> nodeList = adoptRefWillBeNoop(new StaticNodeList);
    nodeList->m_nodes.swap(nodes);
    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(nodeList->AllocationSize());
    return nodeList.release();
}

StaticNodeList::~StaticNodeList()
{
    v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(-AllocationSize());
}

unsigned StaticNodeList::length() const
{
    return m_nodes.size();
}

Node* StaticNodeList::item(unsigned index) const
{
    if (index < m_nodes.size())
        return m_nodes[index].get();
    return 0;
}

void StaticNodeList::trace(Visitor* visitor)
{
    visitor->trace(m_nodes);
    NodeList::trace(visitor);
}

} // namespace WebCore