libstdc++
ctype_base.h
Go to the documentation of this file.
00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997-2015 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file bits/ctype_base.h
00026  *  This is an internal header file, included by other library headers.
00027  *  Do not attempt to use it directly. @headername{locale}
00028  */
00029 
00030 //
00031 // ISO C++ 14882: 22.1  Locales
00032 //
00033 
00034 // Information as gleaned from /usr/include/ctype.h
00035 
00036 namespace std _GLIBCXX_VISIBILITY(default)
00037 {
00038 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00039 
00040   /// @brief  Base class for ctype.
00041   struct ctype_base
00042   {
00043     // Non-standard typedefs.
00044     typedef const int*          __to_type;
00045 
00046     // NB: Offsets into ctype<char>::_M_table force a particular size
00047     // on the mask type. Because of this, we don't use an enum.
00048     typedef unsigned short      mask;
00049     static const mask upper     = _ISupper;
00050     static const mask lower     = _ISlower;
00051     static const mask alpha     = _ISalpha;
00052     static const mask digit     = _ISdigit;
00053     static const mask xdigit    = _ISxdigit;
00054     static const mask space     = _ISspace;
00055     static const mask print     = _ISprint;
00056     static const mask graph     = _ISalpha | _ISdigit | _ISpunct;
00057     static const mask cntrl     = _IScntrl;
00058     static const mask punct     = _ISpunct;
00059     static const mask alnum     = _ISalpha | _ISdigit;
00060 #if __cplusplus >= 201103L
00061     static const mask blank     = _ISblank;
00062 #endif
00063   };
00064 
00065 _GLIBCXX_END_NAMESPACE_VERSION
00066 } // namespace