1/*
2 * Copyright (C) 2007 Alexey Proskuryakov (ap@nypop.com)
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "core/xml/NativeXPathNSResolver.h"
28
29#include "core/XMLNames.h"
30#include "core/dom/Node.h"
31#include "wtf/text/WTFString.h"
32
33namespace blink {
34
35NativeXPathNSResolver::NativeXPathNSResolver(PassRefPtrWillBeRawPtr<Node> node)
36    : m_node(node)
37{
38}
39
40AtomicString NativeXPathNSResolver::lookupNamespaceURI(const String& prefix)
41{
42    // This is not done by Node::lookupNamespaceURI as per the DOM3 Core spec,
43    // but the XPath spec says that we should do it for XPathNSResolver.
44    if (prefix == "xml")
45        return XMLNames::xmlNamespaceURI;
46
47    return m_node ? m_node->lookupNamespaceURI(prefix) : nullAtom;
48}
49
50void NativeXPathNSResolver::trace(Visitor* visitor)
51{
52    visitor->trace(m_node);
53    XPathNSResolver::trace(visitor);
54}
55
56} // namespace blink
57