libstdc++
c++locale_internal.h
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00001 // Prototypes for GLIBC thread locale __-prefixed functions -*- C++ -*-
00002 
00003 // Copyright (C) 2002-2017 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/c++locale_internal.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 // Written by Jakub Jelinek <jakub@redhat.com>
00031 
00032 #include <bits/c++config.h>
00033 #include <clocale>
00034 #include <cstdlib>
00035 #include <cstring>
00036 #include <cstddef>
00037 #include <langinfo.h>
00038 
00039 #include <vector>
00040 #include <string.h>     // ::strdup
00041 
00042 #include <ext/concurrence.h>
00043 
00044 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
00045 
00046 extern "C" __typeof(nl_langinfo_l) __nl_langinfo_l;
00047 extern "C" __typeof(strcoll_l) __strcoll_l;
00048 extern "C" __typeof(strftime_l) __strftime_l;
00049 extern "C" __typeof(strtod_l) __strtod_l;
00050 extern "C" __typeof(strtof_l) __strtof_l;
00051 extern "C" __typeof(strtold_l) __strtold_l;
00052 extern "C" __typeof(strxfrm_l) __strxfrm_l;
00053 extern "C" __typeof(newlocale) __newlocale;
00054 extern "C" __typeof(freelocale) __freelocale;
00055 extern "C" __typeof(duplocale) __duplocale;
00056 extern "C" __typeof(uselocale) __uselocale;
00057 
00058 #ifdef _GLIBCXX_USE_WCHAR_T
00059 extern "C" __typeof(iswctype_l) __iswctype_l;
00060 extern "C" __typeof(towlower_l) __towlower_l;
00061 extern "C" __typeof(towupper_l) __towupper_l;
00062 extern "C" __typeof(wcscoll_l) __wcscoll_l;
00063 extern "C" __typeof(wcsftime_l) __wcsftime_l;
00064 extern "C" __typeof(wcsxfrm_l) __wcsxfrm_l;
00065 extern "C" __typeof(wctype_l) __wctype_l;
00066 #endif
00067 
00068 #endif // GLIBC 2.3 and later
00069 
00070 namespace std _GLIBCXX_VISIBILITY(default)
00071 {
00072 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00073 
00074   struct Catalog_info
00075   {
00076     Catalog_info(messages_base::catalog __id, const char* __domain,
00077                  locale __loc)
00078       : _M_id(__id), _M_domain(strdup(__domain)), _M_locale(__loc)
00079     { }
00080 
00081     ~Catalog_info()
00082     { free(_M_domain); }
00083 
00084     messages_base::catalog _M_id;
00085     char* _M_domain;
00086     locale _M_locale;
00087 
00088   private:
00089     Catalog_info(const Catalog_info&);
00090 
00091     Catalog_info&
00092     operator=(const Catalog_info&);
00093   };
00094 
00095   class Catalogs
00096   {
00097   public:
00098     Catalogs() : _M_catalog_counter(0) { }
00099     ~Catalogs();
00100 
00101     messages_base::catalog
00102     _M_add(const char* __domain, locale __l);
00103 
00104     void
00105     _M_erase(messages_base::catalog __c);
00106 
00107     const Catalog_info*
00108     _M_get(messages_base::catalog __c) const;
00109 
00110   private:
00111     mutable __gnu_cxx::__mutex _M_mutex;
00112     messages_base::catalog _M_catalog_counter;
00113     vector<Catalog_info*> _M_infos;
00114   };
00115 
00116   Catalogs&
00117   get_catalogs();
00118 
00119 _GLIBCXX_END_NAMESPACE_VERSION
00120 } // namespace