libstdc++-v3/config/os/gnu-linux/ctype_base.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2009, 2010, 2011
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // Under Section 7 of GPL version 3, you are granted additional
  18 // permissions described in the GCC Runtime Library Exception, version
  19 // 3.1, as published by the Free Software Foundation.
  20
  21 // You should have received a copy of the GNU General Public License and
  22 // a copy of the GCC Runtime Library Exception along with this program;
  23 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 // <http://www.gnu.org/licenses/>.
  25
  26 /** @file bits/ctype_base.h
  27  *  This is an internal header file, included by other library headers.
  28  *  Do not attempt to use it directly. @headername{locale}
  29  */
  30
  31 //
  32 // ISO C++ 14882: 22.1  Locales
  33 //
  34
  35 // Information as gleaned from /usr/include/ctype.h
  36
  37 namespace std _GLIBCXX_VISIBILITY(default)
  38 {
  39 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  40
  41   /// @brief  Base class for ctype.
  42   struct ctype_base
  43   {
  44     // Non-standard typedefs.
  45     typedef const int*          __to_type;
  46
  47     // NB: Offsets into ctype<char>::_M_table force a particular size
  48     // on the mask type. Because of this, we don't use an enum.
  49     typedef unsigned short      mask;
  50     static const mask upper     = _ISupper;
  51     static const mask lower     = _ISlower;
  52     static const mask alpha     = _ISalpha;
  53     static const mask digit     = _ISdigit;
  54     static const mask xdigit    = _ISxdigit;
  55     static const mask space     = _ISspace;
  56     static const mask print     = _ISprint;
  57     static const mask graph     = _ISalpha | _ISdigit | _ISpunct;
  58     static const mask cntrl     = _IScntrl;
  59     static const mask punct     = _ISpunct;
  60     static const mask alnum     = _ISalpha | _ISdigit;
  61   };
  62
  63 _GLIBCXX_END_NAMESPACE_VERSION
  64 } // namespace