# 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