messages_members.h

00001 // std::messages implementation details, GNU version -*- C++ -*- 00002 00003 // Copyright (C) 2001, 2002, 2003, 2004 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 2, 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 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 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 // Non-virtual member functions. 00037 template<typename _CharT> 00038 messages<_CharT>::messages(size_t __refs) 00039 : facet(__refs), _M_c_locale_messages(_S_get_c_locale()), 00040 _M_name_messages(_S_get_c_name()) 00041 { } 00042 00043 template<typename _CharT> 00044 messages<_CharT>::messages(__c_locale __cloc, const char* __s, 00045 size_t __refs) 00046 : facet(__refs), _M_c_locale_messages(_S_clone_c_locale(__cloc)), 00047 _M_name_messages(__s) 00048 { 00049 char* __tmp = new char[std::strlen(__s) + 1]; 00050 std::strcpy(__tmp, __s); 00051 _M_name_messages = __tmp; 00052 } 00053 00054 template<typename _CharT> 00055 typename messages<_CharT>::catalog 00056 messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 00057 const char* __dir) const 00058 { 00059 bindtextdomain(__s.c_str(), __dir); 00060 return this->do_open(__s, __loc); 00061 } 00062 00063 // Virtual member functions. 00064 template<typename _CharT> 00065 messages<_CharT>::~messages() 00066 { 00067 if (_M_name_messages != _S_get_c_name()) 00068 delete [] _M_name_messages; 00069 _S_destroy_c_locale(_M_c_locale_messages); 00070 } 00071 00072 template<typename _CharT> 00073 typename messages<_CharT>::catalog 00074 messages<_CharT>::do_open(const basic_string<char>& __s, 00075 const locale&) const 00076 { 00077 // No error checking is done, assume the catalog exists and can 00078 // be used. 00079 textdomain(__s.c_str()); 00080 return 0; 00081 } 00082 00083 template<typename _CharT> 00084 void 00085 messages<_CharT>::do_close(catalog) const 00086 { } 00087 00088 // messages_byname 00089 template<typename _CharT> 00090 messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs) 00091 : messages<_CharT>(__refs) 00092 { 00093 if (this->_M_name_messages != locale::facet::_S_get_c_name()) 00094 delete [] this->_M_name_messages; 00095 char* __tmp = new char[std::strlen(__s) + 1]; 00096 std::strcpy(__tmp, __s); 00097 this->_M_name_messages = __tmp; 00098 00099 if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) 00100 { 00101 this->_S_destroy_c_locale(this->_M_c_locale_messages); 00102 this->_S_create_c_locale(this->_M_c_locale_messages, __s); 00103 } 00104 }

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