libstdc++
ctype_base.h
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 //
26 // ISO C++ 14882: 22.1 Locales
27 //
28 
29 // Information as gleaned from /usr/include/ctype.h. Looks like this
30 // only works with solaris2.7 and solaris2.8. Thanks for not changing
31 // things, sun engineers!
32 
33 namespace std _GLIBCXX_VISIBILITY(default)
34 {
35 _GLIBCXX_BEGIN_NAMESPACE_VERSION
36 
37  /// @brief Base class for ctype.
38  struct ctype_base
39  {
40  // Non-standard typedefs.
41  typedef int* __to_type;
42 
43  // NB: Offsets into ctype<char>::_M_table force a particular size
44  // on the mask type. Because of this, we don't use an enum.
45  typedef unsigned int mask;
46  static const mask upper = _ISUPPER;
47  static const mask lower = _ISLOWER;
48  static const mask alpha = _ISALPHA;
49  static const mask digit = _ISDIGIT;
50  static const mask xdigit = _ISXDIGIT;
51  static const mask space = _ISSPACE;
52  static const mask print = _ISPRINT;
53  static const mask graph = _ISALPHA | _ISDIGIT | _ISPUNCT;
54  static const mask cntrl = _ISCNTRL;
55  static const mask punct = _ISPUNCT;
56  static const mask alnum = _ISALPHA | _ISDIGIT;
57  };
58 
59 _GLIBCXX_END_NAMESPACE_VERSION
60 } // namespace
Base class for ctype.
Definition: ctype_base.h:38