messages_members.h

00001 // std::messages implementation details, GNU version -*- C++ -*-
00002 
00003 // Copyright (C) 2001, 2002, 2003 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      : locale::facet(__refs)
00040      {  
00041 #if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2))
00042        _M_name_messages = _S_c_name;
00043 #endif
00044        _M_c_locale_messages = _S_c_locale; 
00045      }
00046 
00047   template<typename _CharT>
00048      messages<_CharT>::messages(__c_locale __cloc, 
00049                 const char* __s, size_t __refs) 
00050      : locale::facet(__refs)
00051      {
00052 #if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)) 
00053        _M_name_messages = new char[strlen(__s) + 1];
00054        strcpy(_M_name_messages, __s);
00055 #endif
00056        _M_c_locale_messages = _S_clone_c_locale(__cloc); 
00057      }
00058 
00059   template<typename _CharT>
00060     typename messages<_CharT>::catalog 
00061     messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc, 
00062                const char* __dir) const
00063     { 
00064       bindtextdomain(__s.c_str(), __dir);
00065       return this->do_open(__s, __loc); 
00066     }
00067 
00068   // Virtual member functions.
00069   template<typename _CharT>
00070     messages<_CharT>::~messages()
00071     { 
00072 #if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2))
00073       if (_S_c_name != _M_name_messages)
00074     delete [] _M_name_messages;
00075 #endif
00076       _S_destroy_c_locale(_M_c_locale_messages); 
00077     }
00078 
00079   template<typename _CharT>
00080     typename messages<_CharT>::catalog 
00081     messages<_CharT>::do_open(const basic_string<char>& __s, 
00082                   const locale&) const
00083     { 
00084       // No error checking is done, assume the catalog exists and can
00085       // be used.
00086       textdomain(__s.c_str());
00087       return 0;
00088     }
00089 
00090   template<typename _CharT>
00091     void    
00092     messages<_CharT>::do_close(catalog) const 
00093     { }
00094 
00095    // messages_byname
00096    template<typename _CharT>
00097      messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
00098      : messages<_CharT>(__refs) 
00099      { 
00100 #if !(__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2))
00101        if (_S_c_name != _M_name_messages)
00102      delete [] _M_name_messages;
00103        _M_name_messages = new char[strlen(__s) + 1];
00104        strcpy(_M_name_messages, __s);
00105 #endif
00106        _S_destroy_c_locale(_M_c_locale_messages);
00107        _S_create_c_locale(_M_c_locale_messages, __s); 
00108      }

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