Source/web/WebNodeList.cpp

/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include "config.h"
#include "WebNodeList.h"

#include "core/dom/Node.h"
#include "core/dom/NodeList.h"
#include "wtf/PassRefPtr.h"

#include "WebNode.h"

using namespace WebCore;

namespace WebKit {

void WebNodeList::reset()
{
    assign(0);
}

void WebNodeList::assign(const WebNodeList& other)
{
    NodeList* p = const_cast<NodeList*>(other.m_private);
    if (p)
        p->ref();
    assign(p);
}

WebNodeList::WebNodeList(const PassRefPtr<NodeList>& col)
    : m_private(static_cast<NodeList*>(col.leakRef()))
{
}

void WebNodeList::assign(NodeList* p)
{
    // p is already ref'd for us by the caller
    if (m_private)
        m_private->deref();
    m_private = p;
}

unsigned WebNodeList::length() const
{
    return m_private->length();
}

WebNode WebNodeList::item(size_t index) const
{
    return WebNode(m_private->item(index));
}

} // namespace WebKit