Mercurial > projects > qtd
annotate generator/parser/symbol.h @ 401:827147052d8d
Corrected typo in CMake error message, fixes #68.
author | David Nadlinger <code@klickverbot.at> |
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date | Thu, 17 Mar 2011 19:11:40 +0100 |
parents | 09a0f1d048f2 |
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rev | line source |
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1 | 1 /**************************************************************************** |
2 ** | |
52
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3 ** Copyright (C) 1992-2009 Nokia. All rights reserved. |
1 | 4 ** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org> |
5 ** | |
6 ** This file is part of Qt Jambi. | |
7 ** | |
52
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8 ** Commercial Usage |
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9 Licensees holding valid Qt Commercial licenses may use this file in |
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10 accordance with the Qt Commercial License Agreement provided with the |
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11 Software or, alternatively, in accordance with the terms contained in |
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12 a written agreement between you and Nokia. |
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13 |
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14 GNU Lesser General Public License Usage |
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15 Alternatively, this file may be used under the terms of the GNU Lesser |
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16 General Public License version 2.1 as published by the Free Software |
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17 Foundation and appearing in the file LICENSE.LGPL included in the |
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18 packaging of this file. Please review the following information to |
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19 ensure the GNU Lesser General Public License version 2.1 requirements |
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20 will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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21 |
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22 In addition, as a special exception, Nokia gives you certain |
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23 additional rights. These rights are described in the Nokia Qt LGPL |
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24 Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this |
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25 package. |
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26 |
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27 GNU General Public License Usage |
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28 Alternatively, this file may be used under the terms of the GNU |
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29 General Public License version 3.0 as published by the Free Software |
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30 Foundation and appearing in the file LICENSE.GPL included in the |
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31 packaging of this file. Please review the following information to |
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32 ensure the GNU General Public License version 3.0 requirements will be |
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33 met: http://www.gnu.org/copyleft/gpl.html. |
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34 |
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35 If you are unsure which license is appropriate for your use, please |
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36 contact the sales department at qt-sales@nokia.com. |
1 | 37 |
38 ** | |
39 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE | |
40 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
41 ** | |
42 ****************************************************************************/ | |
43 | |
44 | |
45 #ifndef SYMBOL_H | |
46 #define SYMBOL_H | |
47 | |
48 #include <QtCore/QString> | |
49 #include <cstring> | |
50 | |
51 #include <QtCore/QHash> | |
52 #include <QtCore/QPair> | |
53 | |
54 struct NameSymbol | |
55 { | |
56 const char *data; | |
57 std::size_t count; | |
58 | |
59 inline QString as_string() const | |
60 { | |
61 return QString::fromUtf8(data, (int) count); | |
62 } | |
63 | |
64 inline bool operator == (const NameSymbol &other) const | |
65 { | |
66 return count == other.count | |
67 && std::strncmp(data, other.data, count) == 0; | |
68 } | |
69 | |
70 protected: | |
71 inline NameSymbol() {} | |
72 inline NameSymbol(const char *d, std::size_t c) | |
73 : data(d), count(c) {} | |
74 | |
75 private: | |
76 void operator = (const NameSymbol &); | |
77 | |
78 friend class NameTable; | |
79 }; | |
80 | |
81 inline uint qHash(const NameSymbol &r) | |
82 { | |
83 uint hash_value = 0; | |
84 | |
85 for (std::size_t i=0; i<r.count; ++i) | |
86 hash_value = (hash_value << 5) - hash_value + r.data[i]; | |
87 | |
88 return hash_value; | |
89 } | |
90 | |
91 inline uint qHash(const QPair<const char*, std::size_t> &r) | |
92 { | |
93 uint hash_value = 0; | |
94 | |
95 for (std::size_t i=0; i<r.second; ++i) | |
96 hash_value = (hash_value << 5) - hash_value + r.first[i]; | |
97 | |
98 return hash_value; | |
99 } | |
100 | |
101 class NameTable | |
102 { | |
103 public: | |
104 typedef QPair<const char *, std::size_t> KeyType; | |
105 typedef QHash<KeyType, NameSymbol*> ContainerType; | |
106 | |
107 public: | |
108 NameTable() {} | |
109 | |
110 ~NameTable() | |
111 { | |
112 qDeleteAll(_M_storage); | |
113 } | |
114 | |
115 inline const NameSymbol *findOrInsert(const char *str, std::size_t len) | |
116 { | |
117 KeyType key(str, len); | |
118 | |
119 NameSymbol *name = _M_storage.value(key); | |
120 if (!name) | |
121 { | |
122 name = new NameSymbol(str, len); | |
123 _M_storage.insert(key, name); | |
124 } | |
125 | |
126 return name; | |
127 } | |
128 | |
129 inline std::size_t count() const | |
130 { | |
131 return _M_storage.size(); | |
132 } | |
133 | |
134 private: | |
135 ContainerType _M_storage; | |
136 | |
137 private: | |
138 NameTable(const NameTable &other); | |
139 void operator = (const NameTable &other); | |
140 }; | |
141 | |
142 #endif // SYMBOL_H | |
143 | |
144 // kate: space-indent on; indent-width 2; replace-tabs on; |