ctype_base.h

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00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2009
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 3, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // Under Section 7 of GPL version 3, you are granted additional
00018 // permissions described in the GCC Runtime Library Exception, version
00019 // 3.1, as published by the Free Software Foundation.
00020 
00021 // You should have received a copy of the GNU General Public License and
00022 // a copy of the GCC Runtime Library Exception along with this program;
00023 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00024 // <http://www.gnu.org/licenses/>.
00025 
00026 //
00027 // ISO C++ 14882: 22.1  Locales
00028 //
00029   
00030 /** @file ctype_base.h
00031  *  This is an internal header file, included by other library headers.
00032  *  You should not attempt to use it directly.
00033  */
00034 
00035 // Information as gleaned from /usr/include/ctype.h
00036   
00037 _GLIBCXX_BEGIN_NAMESPACE(std)
00038 
00039   /// @brief  Base class for ctype.
00040   struct ctype_base
00041   {
00042     // Non-standard typedefs.
00043     typedef const int*      __to_type;
00044 
00045     // NB: Offsets into ctype<char>::_M_table force a particular size
00046     // on the mask type. Because of this, we don't use an enum.
00047     typedef unsigned short  mask;   
00048     static const mask upper     = _ISupper;
00049     static const mask lower     = _ISlower;
00050     static const mask alpha     = _ISalpha;
00051     static const mask digit     = _ISdigit;
00052     static const mask xdigit    = _ISxdigit;
00053     static const mask space     = _ISspace;
00054     static const mask print     = _ISprint;
00055     static const mask graph     = _ISalpha | _ISdigit | _ISpunct;
00056     static const mask cntrl     = _IScntrl;
00057     static const mask punct     = _ISpunct;
00058     static const mask alnum     = _ISalpha | _ISdigit;
00059   };
00060 
00061 _GLIBCXX_END_NAMESPACE

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