1 // std::messages implementation details, GNU version -*- C++ -*- 2 3 // Copyright (C) 2001-2013 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/messages_members.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: 22.2.7.1.2 messages functions 32 // 33 34 // Written by Benjamin Kosnik <bkoz (at) redhat.com> 35 36 #include <libintl.h> 37 38 namespace std _GLIBCXX_VISIBILITY(default) 39 { 40 _GLIBCXX_BEGIN_NAMESPACE_VERSION 41 42 // Non-virtual member functions. 43 template<typename _CharT> 44 messages<_CharT>::messages(size_t __refs) 45 : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 46 _M_name_messages(_S_get_c_name()) 47 { } 48 49 template<typename _CharT> 50 messages<_CharT>::messages(__c_locale __cloc, const char* __s, 51 size_t __refs) 52 : facet(__refs), _M_c_locale_messages(0), _M_name_messages(0) 53 { 54 if (__builtin_strcmp(__s, _S_get_c_name()) != 0) 55 { 56 const size_t __len = __builtin_strlen(__s) + 1; 57 char* __tmp = new char[__len]; 58 __builtin_memcpy(__tmp, __s, __len); 59 _M_name_messages = __tmp; 60 } 61 else 62 _M_name_messages = _S_get_c_name(); 63 64 // Last to avoid leaking memory if new throws. 65 _M_c_locale_messages = _S_clone_c_locale(__cloc); 66 } 67 68 template<typename _CharT> 69 typename messages<_CharT>::catalog 70 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 71 const char* __dir) const 72 { 73 bindtextdomain(__s.c_str(), __dir); 74 return this->do_open(__s, __loc); 75 } 76 77 // Virtual member functions. 78 template<typename _CharT> 79 messages<_CharT>::~messages() 80 { 81 if (_M_name_messages != _S_get_c_name()) 82 delete [] _M_name_messages; 83 _S_destroy_c_locale(_M_c_locale_messages); 84 } 85 86 template<typename _CharT> 87 typename messages<_CharT>::catalog 88 messages<_CharT>::do_open(const basic_string<char>& __s, 89 const locale&) const 90 { 91 // No error checking is done, assume the catalog exists and can 92 // be used. 93 textdomain(__s.c_str()); 94 return 0; 95 } 96 97 template<typename _CharT> 98 void 99 messages<_CharT>::do_close(catalog) const 100 { } 101 102 // messages_byname 103 template<typename _CharT> 104 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 105 : messages<_CharT>(__refs) 106 { 107 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 108 { 109 delete [] this->_M_name_messages; 110 if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0) 111 { 112 const size_t __len = __builtin_strlen(__s) + 1; 113 char* __tmp = new char[__len]; 114 __builtin_memcpy(__tmp, __s, __len); 115 this->_M_name_messages = __tmp; 116 } 117 else 118 this->_M_name_messages = locale::facet::_S_get_c_name(); 119 } 120 121 if (__builtin_strcmp(__s, "C") != 0 122 && __builtin_strcmp(__s, "POSIX") != 0) 123 { 124 this->_S_destroy_c_locale(this->_M_c_locale_messages); 125 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 126 } 127 } 128 129 _GLIBCXX_END_NAMESPACE_VERSION 130 } // namespace 131
