1/*
2 * Copyright (C) 2012 Apple 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
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 INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef PrivateName_h
27#define PrivateName_h
28
29#include <wtf/text/SymbolImpl.h>
30
31namespace JSC {
32
33class PrivateName {
34public:
35 PrivateName()
36 : m_uid(StringImpl::createSymbolEmpty())
37 {
38 }
39
40 explicit PrivateName(SymbolImpl& uid)
41 : m_uid(&uid)
42 {
43 }
44
45 enum DescriptionTag { Description };
46 explicit PrivateName(DescriptionTag, const String& description)
47 : m_uid(StringImpl::createSymbol(description.impl()))
48 {
49 }
50
51 SymbolImpl* uid() const { return m_uid.get(); }
52
53 bool operator==(const PrivateName& other) const { return uid() == other.uid(); }
54 bool operator!=(const PrivateName& other) const { return uid() != other.uid(); }
55
56private:
57 RefPtr<SymbolImpl> m_uid;
58};
59
60}
61
62#endif
63