ctype_base.h revision 1.3 
1// Locale support -*- C++ -*-
2
3// Copyright (C) 2000-2013 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 on NetBSD.
30// Full details can be found from the CVS files at:
31//   anoncvs@anoncvs.netbsd.org:/cvsroot/basesrc/include/ctype.h
32// See www.netbsd.org for details of access.
33
34namespace std _GLIBCXX_VISIBILITY(default)
35{
36_GLIBCXX_BEGIN_NAMESPACE_VERSION
37
38  /// @brief  Base class for ctype.
39  struct ctype_base
40  {
41
42    // NB: Offsets into ctype<char>::_M_table force a particular size
43    // on the mask type. Because of this, we don't use an enum.
44
45#ifndef _CTYPE_U
46    // Non-standard typedefs.
47    typedef const unsigned char*	__to_type;
48
49    typedef unsigned char      	mask;
50
51    static const mask upper    	= _U;
52    static const mask lower 	= _L;
53    static const mask alpha 	= _U | _L;
54    static const mask digit 	= _N;
55    static const mask xdigit 	= _N | _X;
56    static const mask space 	= _S;
57    static const mask print 	= _P | _U | _L | _N | _B;
58    static const mask graph 	= _P | _U | _L | _N;
59    static const mask cntrl 	= _C;
60    static const mask punct 	= _P;
61    static const mask alnum 	= _U | _L | _N;
62#else
63    typedef const unsigned short*	__to_type;
64
65    typedef unsigned short     	mask;
66
67    static const mask upper    	= _CTYPE_U;
68    static const mask lower 	= _CTYPE_L;
69    static const mask alpha 	= _CTYPE_A;
70    static const mask digit 	= _CTYPE_D;
71    static const mask xdigit 	= _CTYPE_X;
72    static const mask space 	= _CTYPE_S;
73    static const mask print 	= _CTYPE_R;
74    static const mask graph 	= _CTYPE_G;
75    static const mask cntrl 	= _CTYPE_C;
76    static const mask punct 	= _CTYPE_P;
77    static const mask alnum 	= _CTYPE_A | _CTYPE_D;
78#endif
79  };
80
81_GLIBCXX_END_NAMESPACE_VERSION
82} // namespace
83