# ctype_base.h

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    00001 // Locale support -*- C++ -*-
    00002
    00003 // Copyright (C) 1997, 1998, 1999, 2000, 2002, 2003, 2004
    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 2, 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 // You should have received a copy of the GNU General Public License along
    00018 // with this library; see the file COPYING.  If not, write to the Free
    00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    00020 // USA.
    00021
    00022 // As a special exception, you may use this file as part of a free software
    00023 // library without restriction.  Specifically, if other files instantiate
    00024 // templates or use macros or inline functions from this file, or you compile
    00025 // this file and link it with other files to produce an executable, this
    00026 // file does not by itself cause the resulting executable to be covered by
    00027 // the GNU General Public License.  This exception does not however
    00028 // invalidate any other reasons why the executable file might be covered by
    00029 // the GNU General Public License.
    00030
    00031 //
    00032 // ISO C++ 14882: 22.1  Locales
    00033 //
    00034
    00035 /** @file ctype_base.h
    00036  *  This is an internal header file, included by other library headers.
    00037  *  You should not attempt to use it directly.
    00038  */
    00039
    00040 // Information as gleaned from /usr/include/ctype.h
    00041
    00042   /// @brief  Base class for ctype.
    00043   struct ctype_base
    00044   {
    00045     // Non-standard typedefs.
    00046     typedef const int*      __to_type;
    00047
    00048     // NB: Offsets into ctype<char>::_M_table force a particular size
    00049     // on the mask type. Because of this, we don't use an enum.
    00050     typedef unsigned short  mask;
    00051     static const mask upper     = _ISupper;
    00052     static const mask lower     = _ISlower;
    00053     static const mask alpha     = _ISalpha;
    00054     static const mask digit     = _ISdigit;
    00055     static const mask xdigit    = _ISxdigit;
    00056     static const mask space     = _ISspace;
    00057     static const mask print     = _ISprint;
    00058     static const mask graph     = _ISalpha | _ISdigit | _ISpunct;
    00059     static const mask cntrl     = _IScntrl;
    00060     static const mask punct     = _ISpunct;
    00061     static const mask alnum     = _ISalpha | _ISdigit;
    00062   };