1// Locale support -*- C++ -*-
2
3// Copyright (C) 2002-2020 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
36namespace 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 unsigned char*	__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 short		mask;
49    static const mask upper    	= _UP;
50    static const mask lower 	= _LO;
51    static const mask alpha 	= _LO | _UP | _XA;
52    static const mask digit 	= _DI;
53    static const mask xdigit 	= _XD;
54    static const mask space 	= _CN | _SP | _XS;
55    static const mask print 	= _DI | _LO | _PU | _SP | _UP | _XA;
56    static const mask graph 	= _DI | _LO | _PU | _UP | _XA;
57    static const mask cntrl 	= _BB;
58    static const mask punct 	= _PU;
59    static const mask alnum 	= _DI | _LO | _UP | _XA;
60#if __cplusplus >= 201103L
61    static const mask blank	= _SP | _XB;
62#endif
63  };
64
65_GLIBCXX_END_NAMESPACE_VERSION
66} // namespace
67