blob: 81c51de8459863a153e93357a949b5d6d76627f3 [file] [log] [blame]
Ben Murdoche69819b2013-07-17 14:56:49 +01001/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef CustomElementDescriptorHash_h
32#define CustomElementDescriptorHash_h
33
34#include "core/dom/CustomElementDescriptor.h"
35#include "wtf/HashFunctions.h"
36#include "wtf/HashTraits.h"
37#include "wtf/text/AtomicStringHash.h"
38
39namespace WebCore {
40
41struct CustomElementDescriptorHash {
42 static unsigned hash(const CustomElementDescriptor& descriptor)
43 {
44 return WTF::pairIntHash(AtomicStringHash::hash(descriptor.type()), WTF::pairIntHash(AtomicStringHash::hash(descriptor.namespaceURI()), AtomicStringHash::hash(descriptor.localName())));
45 }
46
47 static bool equal(const CustomElementDescriptor& a, const CustomElementDescriptor& b)
48 {
49 return a == b;
50 }
51
52 static const bool safeToCompareToEmptyOrDeleted = true;
53};
54
55} // namespace WebCore
56
57namespace WTF {
58
59template<>
60struct HashTraits<WebCore::CustomElementDescriptor> : SimpleClassHashTraits<WebCore::CustomElementDescriptor> {
61 static const bool emptyValueIsZero = HashTraits<AtomicString>::emptyValueIsZero;
62};
63
64} // namespace WTF
65
66#endif // CustomElementDescriptorHash