1 // std::messages implementation details, GNU version -*- C++ -*- 2 3 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 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 messages_members.h 27 * This is an internal header file, included by other library headers. 28 * You should not attempt to use it directly. 29 */ 30 31 // 32 // ISO C++ 14882: 22.2.7.1.2 messages functions 33 // 34 35 // Written by Benjamin Kosnik <bkoz@redhat.com> 36 37 #include <libintl.h> 38 39 _GLIBCXX_BEGIN_NAMESPACE(std) 40 41 // Non-virtual member functions. 42 template<typename _CharT> 43 messages<_CharT>::messages(size_t __refs) 44 : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 45 _M_name_messages(_S_get_c_name()) 46 { } 47 48 template<typename _CharT> 49 messages<_CharT>::messages(__c_locale __cloc, const char* __s, 50 size_t __refs) 51 : facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL) 52 { 53 if (__builtin_strcmp(__s, _S_get_c_name()) != 0) 54 { 55 const size_t __len = __builtin_strlen(__s) + 1; 56 char* __tmp = new char[__len]; 57 __builtin_memcpy(__tmp, __s, __len); 58 _M_name_messages = __tmp; 59 } 60 else 61 _M_name_messages = _S_get_c_name(); 62 63 // Last to avoid leaking memory if new throws. 64 _M_c_locale_messages = _S_clone_c_locale(__cloc); 65 } 66 67 template<typename _CharT> 68 typename messages<_CharT>::catalog 69 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 70 const char* __dir) const 71 { 72 bindtextdomain(__s.c_str(), __dir); 73 return this->do_open(__s, __loc); 74 } 75 76 // Virtual member functions. 77 template<typename _CharT> 78 messages<_CharT>::~messages() 79 { 80 if (_M_name_messages != _S_get_c_name()) 81 delete [] _M_name_messages; 82 _S_destroy_c_locale(_M_c_locale_messages); 83 } 84 85 template<typename _CharT> 86 typename messages<_CharT>::catalog 87 messages<_CharT>::do_open(const basic_string<char>& __s, 88 const locale&) const 89 { 90 // No error checking is done, assume the catalog exists and can 91 // be used. 92 textdomain(__s.c_str()); 93 return 0; 94 } 95 96 template<typename _CharT> 97 void 98 messages<_CharT>::do_close(catalog) const 99 { } 100 101 // messages_byname 102 template<typename _CharT> 103 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 104 : messages<_CharT>(__refs) 105 { 106 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 107 { 108 delete [] this->_M_name_messages; 109 if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0) 110 { 111 const size_t __len = __builtin_strlen(__s) + 1; 112 char* __tmp = new char[__len]; 113 __builtin_memcpy(__tmp, __s, __len); 114 this->_M_name_messages = __tmp; 115 } 116 else 117 this->_M_name_messages = locale::facet::_S_get_c_name(); 118 } 119 120 if (__builtin_strcmp(__s, "C") != 0 121 && __builtin_strcmp(__s, "POSIX") != 0) 122 { 123 this->_S_destroy_c_locale(this->_M_c_locale_messages); 124 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 125 } 126 } 127 128 _GLIBCXX_END_NAMESPACE 129