1    	// Locale support -*- C++ -*-
2    	
3    	// Copyright (C) 1997-2017 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   	#if __cplusplus >= 201103L
61   	    static const mask blank	= _ISblank;
62   	#endif
63   	  };
64   	
65   	_GLIBCXX_END_NAMESPACE_VERSION
66   	} // namespace
67