1// std::messages implementation details, GNU version -*- C++ -*- 2 3// Copyright (C) 2001, 2002, 2003, 2004, 2005 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 2, 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// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30/** @file messages_members.h 31 * This is an internal header file, included by other library headers. 32 * You should not attempt to use it directly. 33 */ 34 35// 36// ISO C++ 14882: 22.2.7.1.2 messages functions 37// 38 39// Written by Benjamin Kosnik <bkoz@redhat.com> 40 41_GLIBCXX_BEGIN_NAMESPACE(std) 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(NULL), _M_name_messages(NULL) 54 { 55 const size_t __len = std::strlen(__s) + 1; 56 char* __tmp = new char[__len]; 57 std::memcpy(__tmp, __s, __len); 58 _M_name_messages = __tmp; 59 60 // Last to avoid leaking memory if new throws. 61 _M_c_locale_messages = _S_clone_c_locale(__cloc); 62 } 63 64 template<typename _CharT> 65 typename messages<_CharT>::catalog 66 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 67 const char* __dir) const 68 { 69 bindtextdomain(__s.c_str(), __dir); 70 return this->do_open(__s, __loc); 71 } 72 73 // Virtual member functions. 74 template<typename _CharT> 75 messages<_CharT>::~messages() 76 { 77 if (_M_name_messages != _S_get_c_name()) 78 delete [] _M_name_messages; 79 _S_destroy_c_locale(_M_c_locale_messages); 80 } 81 82 template<typename _CharT> 83 typename messages<_CharT>::catalog 84 messages<_CharT>::do_open(const basic_string<char>& __s, 85 const locale&) const 86 { 87 // No error checking is done, assume the catalog exists and can 88 // be used. 89 textdomain(__s.c_str()); 90 return 0; 91 } 92 93 template<typename _CharT> 94 void 95 messages<_CharT>::do_close(catalog) const 96 { } 97 98 // messages_byname 99 template<typename _CharT> 100 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 101 : messages<_CharT>(__refs) 102 { 103 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 104 delete [] this->_M_name_messages; 105 char* __tmp = new char[std::strlen(__s) + 1]; 106 std::strcpy(__tmp, __s); 107 this->_M_name_messages = __tmp; 108 109 if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) 110 { 111 this->_S_destroy_c_locale(this->_M_c_locale_messages); 112 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 113 } 114 } 115 116_GLIBCXX_END_NAMESPACE 117