ctype_base.h

00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2003 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 2, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // You should have received a copy of the GNU General Public License along
00017 // with this library; see the file COPYING.  If not, write to the Free
00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00019 // USA.
00020 
00021 // As a special exception, you may use this file as part of a free software
00022 // library without restriction.  Specifically, if other files instantiate
00023 // templates or use macros or inline functions from this file, or you compile
00024 // this file and link it with other files to produce an executable, this
00025 // file does not by itself cause the resulting executable to be covered by
00026 // the GNU General Public License.  This exception does not however
00027 // invalidate any other reasons why the executable file might be covered by
00028 // the GNU General Public License.
00029 
00030 //
00031 // ISO C++ 14882: 22.1  Locales
00032 //
00033   
00034 // Information as gleaned from /usr/include/ctype.h. Looks like this
00035 // only works with solaris2.7 and solaris2.8. Thanks for not changing
00036 // things, sun engineers!
00037 
00038   struct ctype_base
00039   {
00040     // Non-standard typedefs.
00041     typedef int*        __to_type;
00042 
00043     // NB: Offsets into ctype<char>::_M_table force a particular size
00044     // on the mask type. Because of this, we don't use an enum.
00045     typedef unsigned int    mask;   
00046     static const mask upper     = _ISUPPER;
00047     static const mask lower     = _ISLOWER;
00048     static const mask alpha     = _ISALPHA;
00049     static const mask digit     = _ISDIGIT;
00050     static const mask xdigit    = _ISXDIGIT;
00051     static const mask space     = _ISSPACE;
00052     static const mask print     = _ISPRINT;
00053     static const mask graph     = _ISALPHA | _ISDIGIT | _ISPUNCT;
00054     static const mask cntrl     = _ISCNTRL;
00055     static const mask punct     = _ISPUNCT;
00056     static const mask alnum     = _ISALPHA | _ISDIGIT;
00057   };

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