1 // std::messages implementation details, GNU version -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 4 // Free Software Foundation, Inc. 5 // 6 // This file is part of the GNU ISO C++ Library. This library is free 7 // software; you can redistribute it and/or modify it under the 8 // terms of the GNU General Public License as published by the 9 // Free Software Foundation; either version 3, or (at your option) 10 // any later version. 11 12 // This library is distributed in the hope that it will be useful, 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 // GNU General Public License for more details. 16 17 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 /** @file bits/messages_members.h 27 * This is an internal header file, included by other library headers. 28 * Do not attempt to use it directly. @headername{locale} 29 */ 30 31 // 32 // ISO C++ 14882: 22.2.7.1.2 messages functions 33 // 34 35 // Written by Benjamin Kosnik <bkoz (at) redhat.com> 36 37 #include <libintl.h> 38 39 namespace std _GLIBCXX_VISIBILITY(default) 40 { 41 _GLIBCXX_BEGIN_NAMESPACE_VERSION 42 43 // Non-virtual member functions. 44 template<typename _CharT> 45 messages<_CharT>::messages(size_t __refs) 46 : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 47 _M_name_messages(_S_get_c_name()) 48 { } 49 50 template<typename _CharT> 51 messages<_CharT>::messages(__c_locale __cloc, const char* __s, 52 size_t __refs) 53 : facet(__refs), _M_c_locale_messages(0), _M_name_messages(0) 54 { 55 if (__builtin_strcmp(__s, _S_get_c_name()) != 0) 56 { 57 const size_t __len = __builtin_strlen(__s) + 1; 58 char* __tmp = new char[__len]; 59 __builtin_memcpy(__tmp, __s, __len); 60 _M_name_messages = __tmp; 61 } 62 else 63 _M_name_messages = _S_get_c_name(); 64 65 // Last to avoid leaking memory if new throws. 66 _M_c_locale_messages = _S_clone_c_locale(__cloc); 67 } 68 69 template<typename _CharT> 70 typename messages<_CharT>::catalog 71 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 72 const char* __dir) const 73 { 74 bindtextdomain(__s.c_str(), __dir); 75 return this->do_open(__s, __loc); 76 } 77 78 // Virtual member functions. 79 template<typename _CharT> 80 messages<_CharT>::~messages() 81 { 82 if (_M_name_messages != _S_get_c_name()) 83 delete [] _M_name_messages; 84 _S_destroy_c_locale(_M_c_locale_messages); 85 } 86 87 template<typename _CharT> 88 typename messages<_CharT>::catalog 89 messages<_CharT>::do_open(const basic_string<char>& __s, 90 const locale&) const 91 { 92 // No error checking is done, assume the catalog exists and can 93 // be used. 94 textdomain(__s.c_str()); 95 return 0; 96 } 97 98 template<typename _CharT> 99 void 100 messages<_CharT>::do_close(catalog) const 101 { } 102 103 // messages_byname 104 template<typename _CharT> 105 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 106 : messages<_CharT>(__refs) 107 { 108 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 109 { 110 delete [] this->_M_name_messages; 111 if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0) 112 { 113 const size_t __len = __builtin_strlen(__s) + 1; 114 char* __tmp = new char[__len]; 115 __builtin_memcpy(__tmp, __s, __len); 116 this->_M_name_messages = __tmp; 117 } 118 else 119 this->_M_name_messages = locale::facet::_S_get_c_name(); 120 } 121 122 if (__builtin_strcmp(__s, "C") != 0 123 && __builtin_strcmp(__s, "POSIX") != 0) 124 { 125 this->_S_destroy_c_locale(this->_M_c_locale_messages); 126 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 127 } 128 } 129 130 _GLIBCXX_END_NAMESPACE_VERSION 131 } // namespace 132
