libstdc++-v3/include/bits/localefwd.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 //
  32 // ISO C++ 14882: 22.1  Locales
  33 //
  34
  35 /** @file localefwd.h
  36  *  This is an internal header file, included by other library headers.
  37  *  You should not attempt to use it directly.
  38  */
  39
  40 #ifndef _LOCALE_FWD_H
  41 #define _LOCALE_FWD_H 1
  42
  43 #pragma GCC system_header
  44
  45 #include <bits/c++config.h>
  46 #include <bits/c++locale.h>     // Defines __c_locale, config-specific includes
  47 #include <iosfwd>               // For ostreambuf_iterator, istreambuf_iterator
  48 #include <bits/functexcept.h>
  49
  50 namespace std
  51 {
  52   // 22.1.1 Locale
  53   class locale;
  54
  55   // 22.1.3 Convenience interfaces
  56   template<typename _CharT>
  57     inline bool
  58     isspace(_CharT, const locale&);
  59
  60   template<typename _CharT>
  61     inline bool
  62     isprint(_CharT, const locale&);
  63
  64   template<typename _CharT>
  65     inline bool
  66     iscntrl(_CharT, const locale&);
  67
  68   template<typename _CharT>
  69     inline bool
  70     isupper(_CharT, const locale&);
  71
  72   template<typename _CharT>
  73     inline bool
  74     islower(_CharT, const locale&);
  75
  76   template<typename _CharT>
  77     inline bool
  78     isalpha(_CharT, const locale&);
  79
  80   template<typename _CharT>
  81     inline bool
  82     isdigit(_CharT, const locale&);
  83
  84   template<typename _CharT>
  85     inline bool
  86     ispunct(_CharT, const locale&);
  87
  88   template<typename _CharT>
  89     inline bool
  90     isxdigit(_CharT, const locale&);
  91
  92   template<typename _CharT>
  93     inline bool
  94     isalnum(_CharT, const locale&);
  95
  96   template<typename _CharT>
  97     inline bool
  98     isgraph(_CharT, const locale&);
  99
 100   template<typename _CharT>
 101     inline _CharT
 102     toupper(_CharT, const locale&);
 103
 104   template<typename _CharT>
 105     inline _CharT
 106     tolower(_CharT, const locale&);
 107
 108   // 22.2.1 and 22.2.1.3 ctype
 109   class ctype_base;
 110   template<typename _CharT>
 111     class ctype;
 112   template<> class ctype<char>;
 113 #ifdef _GLIBCXX_USE_WCHAR_T
 114   template<> class ctype<wchar_t>;
 115 #endif
 116   template<typename _CharT>
 117     class ctype_byname;
 118   // NB: Specialized for char and wchar_t in locale_facets.h.
 119
 120   class codecvt_base;
 121   class __enc_traits;
 122   template<typename _InternT, typename _ExternT, typename _StateT>
 123     class codecvt;
 124   template<> class codecvt<char, char, mbstate_t>;
 125 #ifdef _GLIBCXX_USE_WCHAR_T
 126   template<> class codecvt<wchar_t, char, mbstate_t>;
 127 #endif
 128   template<typename _InternT, typename _ExternT, typename _StateT>
 129     class codecvt_byname;
 130
 131   // 22.2.2 and 22.2.3 numeric
 132   template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
 133     class num_get;
 134   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 135     class num_put;
 136   template<typename _CharT> class numpunct;
 137   template<typename _CharT> class numpunct_byname;
 138
 139   // 22.2.4 collation
 140   template<typename _CharT>
 141     class collate;
 142   template<typename _CharT> class
 143     collate_byname;
 144
 145   // 22.2.5 date and time
 146   class time_base;
 147   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 148     class time_get;
 149   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 150     class time_get_byname;
 151   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 152     class time_put;
 153   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 154     class time_put_byname;
 155
 156   // 22.2.6 money
 157   class money_base;
 158   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 159     class money_get;
 160   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 161     class money_put;
 162   template<typename _CharT, bool _Intl = false>
 163     class moneypunct;
 164   template<typename _CharT, bool _Intl = false>
 165     class moneypunct_byname;
 166
 167   // 22.2.7 message retrieval
 168   class messages_base;
 169   template<typename _CharT>
 170     class messages;
 171   template<typename _CharT>
 172     class messages_byname;
 173
 174   template<typename _Facet>
 175     bool
 176     has_facet(const locale& __loc) throw();
 177
 178   template<typename _Facet>
 179     const _Facet&
 180     use_facet(const locale& __loc);
 181
 182   template<typename _Facet>
 183     inline const _Facet&
 184     __check_facet(const _Facet* __f)
 185     {
 186       if (!__f)
 187         __throw_bad_cast();
 188       return *__f;
 189     }
 190 } // namespace std
 191
 192 #endif