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The C and C++ Include Header Files
cat -n /usr/include/c++/15/bits/localefwd.h
1 // <locale> Forward declarations -*- C++ -*- 2 3 // Copyright (C) 1997-2025 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 #ifdef _GLIBCXX_SYSHDR 38 #pragma GCC system_header 39 #endif 40 41 #include <bits/c++config.h> 42 #include <bits/c++locale.h> // Defines __c_locale, config-specific include 43 #include <iosfwd> // For ostreambuf_iterator, istreambuf_iterator 44 #include <cctype> 45 46 namespace std _GLIBCXX_VISIBILITY(default) 47 { 48 _GLIBCXX_BEGIN_NAMESPACE_VERSION 49 50 /** 51 * @defgroup locales Locales 52 * 53 * Classes and functions for internationalization and localization. 54 */ 55 56 // 22.1.1 Locale 57 class locale; 58 59 template<typename _Facet> 60 bool 61 has_facet(const locale&) throw(); 62 63 template<typename _Facet> 64 const _Facet& 65 use_facet(const locale&); 66 67 // 22.1.3 Convenience interfaces 68 template<typename _CharT> 69 bool 70 isspace(_CharT, const locale&); 71 72 template<typename _CharT> 73 bool 74 isprint(_CharT, const locale&); 75 76 template<typename _CharT> 77 bool 78 iscntrl(_CharT, const locale&); 79 80 template<typename _CharT> 81 bool 82 isupper(_CharT, const locale&); 83 84 template<typename _CharT> 85 bool 86 islower(_CharT, const locale&); 87 88 template<typename _CharT> 89 bool 90 isalpha(_CharT, const locale&); 91 92 template<typename _CharT> 93 bool 94 isdigit(_CharT, const locale&); 95 96 template<typename _CharT> 97 bool 98 ispunct(_CharT, const locale&); 99 100 template<typename _CharT> 101 bool 102 isxdigit(_CharT, const locale&); 103 104 template<typename _CharT> 105 bool 106 isalnum(_CharT, const locale&); 107 108 template<typename _CharT> 109 bool 110 isgraph(_CharT, const locale&); 111 112 #if __cplusplus >= 201103L 113 template<typename _CharT> 114 bool 115 isblank(_CharT, const locale&); 116 #endif 117 118 template<typename _CharT> 119 _CharT 120 toupper(_CharT, const locale&); 121 122 template<typename _CharT> 123 _CharT 124 tolower(_CharT, const locale&); 125 126 // 22.2.1 and 22.2.1.3 ctype 127 struct ctype_base; 128 template<typename _CharT> 129 class ctype; 130 template<> class ctype<char>; 131 #ifdef _GLIBCXX_USE_WCHAR_T 132 template<> class ctype<wchar_t>; 133 #endif 134 template<typename _CharT> 135 class ctype_byname; 136 // NB: Specialized for char and wchar_t in locale_facets.h. 137 138 class codecvt_base; 139 template<typename _InternT, typename _ExternT, typename _StateT> 140 class codecvt; 141 template<> class codecvt<char, char, mbstate_t>; 142 #ifdef _GLIBCXX_USE_WCHAR_T 143 template<> class codecvt<wchar_t, char, mbstate_t>; 144 #endif 145 #if __cplusplus >= 201103L 146 template<> class codecvt<char16_t, char, mbstate_t>; 147 template<> class codecvt<char32_t, char, mbstate_t>; 148 #ifdef _GLIBCXX_USE_CHAR8_T 149 template<> class codecvt<char16_t, char8_t, mbstate_t>; 150 template<> class codecvt<char32_t, char8_t, mbstate_t>; 151 #endif 152 #endif 153 template<typename _InternT, typename _ExternT, typename _StateT> 154 class codecvt_byname; 155 156 // 22.2.2 and 22.2.3 numeric 157 _GLIBCXX_BEGIN_NAMESPACE_LDBL 158 template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> > 159 class num_get; 160 template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> > 161 class num_put; 162 _GLIBCXX_END_NAMESPACE_LDBL 163 _GLIBCXX_BEGIN_NAMESPACE_CXX11 164 template<typename _CharT> class numpunct; 165 template<typename _CharT> class numpunct_byname; 166 _GLIBCXX_END_NAMESPACE_CXX11 167 168 _GLIBCXX_BEGIN_NAMESPACE_CXX11 169 // 22.2.4 collation 170 template<typename _CharT> 171 class collate; 172 template<typename _CharT> 173 class collate_byname; 174 _GLIBCXX_END_NAMESPACE_CXX11 175 176 // 22.2.5 date and time 177 class time_base; 178 _GLIBCXX_BEGIN_NAMESPACE_CXX11 179 template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> > 180 class time_get; 181 template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> > 182 class time_get_byname; 183 _GLIBCXX_END_NAMESPACE_CXX11 184 template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> > 185 class time_put; 186 template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> > 187 class time_put_byname; 188 189 // 22.2.6 money 190 class money_base; 191 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 192 template<typename _CharT, typename _InIter = istreambuf_iterator<_CharT> > 193 class money_get; 194 template<typename _CharT, typename _OutIter = ostreambuf_iterator<_CharT> > 195 class money_put; 196 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 197 _GLIBCXX_BEGIN_NAMESPACE_CXX11 198 template<typename _CharT, bool _Intl = false> 199 class moneypunct; 200 template<typename _CharT, bool _Intl = false> 201 class moneypunct_byname; 202 _GLIBCXX_END_NAMESPACE_CXX11 203 204 // 22.2.7 message retrieval 205 struct messages_base; 206 _GLIBCXX_BEGIN_NAMESPACE_CXX11 207 template<typename _CharT> 208 class messages; 209 template<typename _CharT> 210 class messages_byname; 211 _GLIBCXX_END_NAMESPACE_CXX11 212 213 _GLIBCXX_END_NAMESPACE_VERSION 214 } // namespace std 215 216 #endif
