libstdc++
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00001 // std::messages implementation details, GNU version -*- C++ -*- 00002 00003 // Copyright (C) 2001-2013 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/messages_members.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: 22.2.7.1.2 messages functions 00032 // 00033 00034 // Written by Benjamin Kosnik <bkoz@redhat.com> 00035 00036 #include <libintl.h> 00037 00038 namespace std _GLIBCXX_VISIBILITY(default) 00039 { 00040 _GLIBCXX_BEGIN_NAMESPACE_VERSION 00041 00042 // Non-virtual member functions. 00043 template<typename _CharT> 00044 messages<_CharT>::messages(size_t __refs) 00045 : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 00046 _M_name_messages(_S_get_c_name()) 00047 { } 00048 00049 template<typename _CharT> 00050 messages<_CharT>::messages(__c_locale __cloc, const char* __s, 00051 size_t __refs) 00052 : facet(__refs), _M_c_locale_messages(0), _M_name_messages(0) 00053 { 00054 if (__builtin_strcmp(__s, _S_get_c_name()) != 0) 00055 { 00056 const size_t __len = __builtin_strlen(__s) + 1; 00057 char* __tmp = new char[__len]; 00058 __builtin_memcpy(__tmp, __s, __len); 00059 _M_name_messages = __tmp; 00060 } 00061 else 00062 _M_name_messages = _S_get_c_name(); 00063 00064 // Last to avoid leaking memory if new throws. 00065 _M_c_locale_messages = _S_clone_c_locale(__cloc); 00066 } 00067 00068 template<typename _CharT> 00069 typename messages<_CharT>::catalog 00070 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 00071 const char* __dir) const 00072 { 00073 bindtextdomain(__s.c_str(), __dir); 00074 return this->do_open(__s, __loc); 00075 } 00076 00077 // Virtual member functions. 00078 template<typename _CharT> 00079 messages<_CharT>::~messages() 00080 { 00081 if (_M_name_messages != _S_get_c_name()) 00082 delete [] _M_name_messages; 00083 _S_destroy_c_locale(_M_c_locale_messages); 00084 } 00085 00086 template<typename _CharT> 00087 typename messages<_CharT>::catalog 00088 messages<_CharT>::do_open(const basic_string<char>& __s, 00089 const locale&) const 00090 { 00091 // No error checking is done, assume the catalog exists and can 00092 // be used. 00093 textdomain(__s.c_str()); 00094 return 0; 00095 } 00096 00097 template<typename _CharT> 00098 void 00099 messages<_CharT>::do_close(catalog) const 00100 { } 00101 00102 // messages_byname 00103 template<typename _CharT> 00104 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 00105 : messages<_CharT>(__refs) 00106 { 00107 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 00108 { 00109 delete [] this->_M_name_messages; 00110 if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0) 00111 { 00112 const size_t __len = __builtin_strlen(__s) + 1; 00113 char* __tmp = new char[__len]; 00114 __builtin_memcpy(__tmp, __s, __len); 00115 this->_M_name_messages = __tmp; 00116 } 00117 else 00118 this->_M_name_messages = locale::facet::_S_get_c_name(); 00119 } 00120 00121 if (__builtin_strcmp(__s, "C") != 0 00122 && __builtin_strcmp(__s, "POSIX") != 0) 00123 { 00124 this->_S_destroy_c_locale(this->_M_c_locale_messages); 00125 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 00126 } 00127 } 00128 00129 _GLIBCXX_END_NAMESPACE_VERSION 00130 } // namespace