Source/WebCore/xml/NativeXPathNSResolver.cpp

/*
 * Copyright (C) 2007 Alexey Proskuryakov (ap@nypop.com)
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
 */

#include "config.h"
#include "NativeXPathNSResolver.h"

#include "Node.h"
#include "XMLNames.h"
#include <wtf/text/WTFString.h>

namespace WebCore {

NativeXPathNSResolver::NativeXPathNSResolver(PassRefPtr<Node> node)
    : m_node(node)
{
}

NativeXPathNSResolver::~NativeXPathNSResolver()
{
}

String NativeXPathNSResolver::lookupNamespaceURI(const String& prefix)
{
    // This is not done by Node::lookupNamespaceURI as per the DOM3 Core spec,
    // but the XPath spec says that we should do it for XPathNSResolver.
    if (prefix == "xml")
        return XMLNames::xmlNamespaceURI;
    
    return m_node ? m_node->lookupNamespaceURI(prefix) : String();
}

} // namespace WebCore