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

   1 // <locale> Forward declarations -*- C++ -*-
   2
   3 // Copyright (C) 1997-2020 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 /** @file bits/localefwd.h
  26  *  This is an internal header file, included by other library headers.
  27  *  Do not attempt to use it directly. @headername{locale}
  28  */
  29
  30 //
  31 // ISO C++ 14882: 22.1  Locales
  32 //
  33
  34 #ifndef _LOCALE_FWD_H
  35 #define _LOCALE_FWD_H 1
  36
  37 #pragma GCC system_header
  38
  39 #include <bits/c++config.h>
  40 #include <bits/c++locale.h>  // Defines __c_locale, config-specific include
  41 #include <iosfwd>            // For ostreambuf_iterator, istreambuf_iterator
  42 #include <cctype>
  43
  44 namespace std _GLIBCXX_VISIBILITY(default)
  45 {
  46 _GLIBCXX_BEGIN_NAMESPACE_VERSION
  47
  48   /**
  49    *  @defgroup locales Locales
  50    *
  51    *  Classes and functions for internationalization and localization.
  52    */
  53
  54   // 22.1.1 Locale
  55   class locale;
  56
  57   template<typename _Facet>
  58     bool
  59     has_facet(const locale&) throw();
  60
  61   template<typename _Facet>
  62     const _Facet&
  63     use_facet(const locale&);
  64
  65   // 22.1.3 Convenience interfaces
  66   template<typename _CharT>
  67     bool
  68     isspace(_CharT, const locale&);
  69
  70   template<typename _CharT>
  71     bool
  72     isprint(_CharT, const locale&);
  73
  74   template<typename _CharT>
  75     bool
  76     iscntrl(_CharT, const locale&);
  77
  78   template<typename _CharT>
  79     bool
  80     isupper(_CharT, const locale&);
  81
  82   template<typename _CharT>
  83     bool
  84     islower(_CharT, const locale&);
  85
  86   template<typename _CharT>
  87     bool
  88     isalpha(_CharT, const locale&);
  89
  90   template<typename _CharT>
  91     bool
  92     isdigit(_CharT, const locale&);
  93
  94   template<typename _CharT>
  95     bool
  96     ispunct(_CharT, const locale&);
  97
  98   template<typename _CharT>
  99     bool
 100     isxdigit(_CharT, const locale&);
 101
 102   template<typename _CharT>
 103     bool
 104     isalnum(_CharT, const locale&);
 105
 106   template<typename _CharT>
 107     bool
 108     isgraph(_CharT, const locale&);
 109
 110 #if __cplusplus >= 201103L
 111   template<typename _CharT>
 112     bool
 113     isblank(_CharT, const locale&);
 114 #endif
 115
 116   template<typename _CharT>
 117     _CharT
 118     toupper(_CharT, const locale&);
 119
 120   template<typename _CharT>
 121     _CharT
 122     tolower(_CharT, const locale&);
 123
 124   // 22.2.1 and 22.2.1.3 ctype
 125   class ctype_base;
 126   template<typename _CharT>
 127     class ctype;
 128   template<> class ctype<char>;
 129 #ifdef _GLIBCXX_USE_WCHAR_T
 130   template<> class ctype<wchar_t>;
 131 #endif
 132   template<typename _CharT>
 133     class ctype_byname;
 134   // NB: Specialized for char and wchar_t in locale_facets.h.
 135
 136   class codecvt_base;
 137   template<typename _InternT, typename _ExternT, typename _StateT>
 138     class codecvt;
 139   template<> class codecvt<char, char, mbstate_t>;
 140 #ifdef _GLIBCXX_USE_WCHAR_T
 141   template<> class codecvt<wchar_t, char, mbstate_t>;
 142 #endif
 143 #if __cplusplus >= 201103L
 144   template<> class codecvt<char16_t, char, mbstate_t>;
 145   template<> class codecvt<char32_t, char, mbstate_t>;
 146 #ifdef _GLIBCXX_USE_CHAR8_T
 147   template<> class codecvt<char16_t, char8_t, mbstate_t>;
 148   template<> class codecvt<char32_t, char8_t, mbstate_t>;
 149 #endif
 150 #endif
 151   template<typename _InternT, typename _ExternT, typename _StateT>
 152     class codecvt_byname;
 153
 154   // 22.2.2 and 22.2.3 numeric
 155 _GLIBCXX_BEGIN_NAMESPACE_LDBL
 156   template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> >
 157     class num_get;
 158   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 159     class num_put;
 160 _GLIBCXX_END_NAMESPACE_LDBL
 161 _GLIBCXX_BEGIN_NAMESPACE_CXX11
 162   template<typename _CharT> class numpunct;
 163   template<typename _CharT> class numpunct_byname;
 164 _GLIBCXX_END_NAMESPACE_CXX11
 165
 166 _GLIBCXX_BEGIN_NAMESPACE_CXX11
 167   // 22.2.4 collation
 168   template<typename _CharT>
 169     class collate;
 170   template<typename _CharT>
 171     class collate_byname;
 172 _GLIBCXX_END_NAMESPACE_CXX11
 173
 174   // 22.2.5 date and time
 175   class time_base;
 176 _GLIBCXX_BEGIN_NAMESPACE_CXX11
 177   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 178     class time_get;
 179   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 180     class time_get_byname;
 181 _GLIBCXX_END_NAMESPACE_CXX11
 182   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 183     class time_put;
 184   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 185     class time_put_byname;
 186
 187   // 22.2.6 money
 188   class money_base;
 189 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
 190   template<typename _CharT, typename _InIter =  istreambuf_iterator<_CharT> >
 191     class money_get;
 192   template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> >
 193     class money_put;
 194 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
 195 _GLIBCXX_BEGIN_NAMESPACE_CXX11
 196   template<typename _CharT, bool _Intl = false>
 197     class moneypunct;
 198   template<typename _CharT, bool _Intl = false>
 199     class moneypunct_byname;
 200 _GLIBCXX_END_NAMESPACE_CXX11
 201
 202   // 22.2.7 message retrieval
 203   class messages_base;
 204 _GLIBCXX_BEGIN_NAMESPACE_CXX11
 205   template<typename _CharT>
 206     class messages;
 207   template<typename _CharT>
 208     class messages_byname;
 209 _GLIBCXX_END_NAMESPACE_CXX11
 210
 211 _GLIBCXX_END_NAMESPACE_VERSION
 212 } // namespace std
 213
 214 #endif