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1 /* | 1 /* |
2 * Copyright (C) 2006, 2007, 2008, 2012, 2013 Apple Inc. All rights reserved | 2 * Copyright (C) 2006, 2007, 2008, 2012, 2013 Apple Inc. All rights reserved |
3 * Copyright (C) Research In Motion Limited 2009. All rights reserved. | 3 * Copyright (C) Research In Motion Limited 2009. All rights reserved. |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 * Library General Public License for more details. | 13 * Library General Public License for more details. |
14 * | 14 * |
15 * You should have received a copy of the GNU Library General Public License | 15 * You should have received a copy of the GNU Library General Public License |
16 * along with this library; see the file COPYING.LIB. If not, write to | 16 * along with this library; see the file COPYING.LIB. If not, write to |
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
18 * Boston, MA 02110-1301, USA. | 18 * Boston, MA 02110-1301, USA. |
19 * | 19 * |
20 */ | 20 */ |
21 | 21 |
22 #ifndef StringHash_h | 22 #ifndef StringHash_h |
23 #define StringHash_h | 23 #define StringHash_h |
24 | 24 |
25 #include "wtf/Allocator.h" | 25 #include "platform/wtf/Allocator.h" |
26 #include "wtf/HashTraits.h" | 26 #include "platform/wtf/HashTraits.h" |
27 #include "wtf/StringHasher.h" | 27 #include "platform/wtf/StringHasher.h" |
28 #include "wtf/text/AtomicString.h" | 28 #include "platform/wtf/text/AtomicString.h" |
29 | 29 |
30 namespace WTF { | 30 namespace WTF { |
31 | 31 |
32 inline bool HashTraits<String>::isEmptyValue(const String& value) { | 32 inline bool HashTraits<String>::isEmptyValue(const String& value) { |
33 return value.isNull(); | 33 return value.isNull(); |
34 } | 34 } |
35 | 35 |
36 // The hash() functions on StringHash and CaseFoldingHash do not support null | 36 // The hash() functions on StringHash and CaseFoldingHash do not support null |
37 // strings. get(), contains(), and add() on HashMap<String,..., StringHash> | 37 // strings. get(), contains(), and add() on HashMap<String,..., StringHash> |
38 // cause a null-pointer dereference when passed null strings. | 38 // cause a null-pointer dereference when passed null strings. |
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154 } | 154 } |
155 }; | 155 }; |
156 | 156 |
157 } // namespace WTF | 157 } // namespace WTF |
158 | 158 |
159 using WTF::AlreadyHashed; | 159 using WTF::AlreadyHashed; |
160 using WTF::CaseFoldingHash; | 160 using WTF::CaseFoldingHash; |
161 using WTF::StringHash; | 161 using WTF::StringHash; |
162 | 162 |
163 #endif | 163 #endif |
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