libstdc++

ctype_base.h
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1 // Locale support -*- C++ -*-
2
3 // Copyright (C) 1997-2013 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19
20 // You should have received a copy of the GNU General Public License and
21 // a copy of the GCC Runtime Library Exception along with this program;
22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24
25 /** @file bits/ctype_base.h
26 * This is an internal header file, included by other library headers.
27 * Do not attempt to use it directly. @headername{locale}
28 */
29
30 //
31 // ISO C++ 14882: 22.1 Locales
32 //
33
34 // Information as gleaned from /usr/include/ctype.h
35
36 namespace std _GLIBCXX_VISIBILITY(default)
37 {
38 _GLIBCXX_BEGIN_NAMESPACE_VERSION
39
40 /// @brief Base class for ctype.
41 struct ctype_base
42 {
43 // Non-standard typedefs.
44 typedef const int* __to_type;
45
46 // NB: Offsets into ctype<char>::_M_table force a particular size
47 // on the mask type. Because of this, we don't use an enum.
48 typedef unsigned short mask;
49 static const mask upper = _ISupper;
50 static const mask lower = _ISlower;
51 static const mask alpha = _ISalpha;
52 static const mask digit = _ISdigit;
53 static const mask xdigit = _ISxdigit;
54 static const mask space = _ISspace;
55 static const mask print = _ISprint;
56 static const mask graph = _ISalpha | _ISdigit | _ISpunct;
57 static const mask cntrl = _IScntrl;
58 static const mask punct = _ISpunct;
59 static const mask alnum = _ISalpha | _ISdigit;
60 };
61
62 _GLIBCXX_END_NAMESPACE_VERSION
63 } // namespace