messages_members.h

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00001 // std::messages implementation details, generic version -*- C++ -*-
00002 
00003 // Copyright (C) 2001, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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 /** @file messages_members.h
00031  *  This is an internal header file, included by other library headers.
00032  *  You should not attempt to use it directly.
00033  */
00034 
00035 //
00036 // ISO C++ 14882: 22.2.7.1.2  messages virtual functions
00037 //
00038 
00039 // Written by Benjamin Kosnik <bkoz@redhat.com>
00040 
00041 _GLIBCXX_BEGIN_NAMESPACE(std)
00042 
00043   // Non-virtual member functions.
00044   template<typename _CharT>
00045      messages<_CharT>::messages(size_t __refs)
00046      : facet(__refs)
00047      { _M_c_locale_messages = _S_get_c_locale(); }
00048 
00049   template<typename _CharT>
00050      messages<_CharT>::messages(__c_locale, const char*, size_t __refs) 
00051      : facet(__refs)
00052      { _M_c_locale_messages = _S_get_c_locale(); }
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*) const
00058     { return this->do_open(__s, __loc); }
00059 
00060   // Virtual member functions.
00061   template<typename _CharT>
00062     messages<_CharT>::~messages()
00063     { _S_destroy_c_locale(_M_c_locale_messages); }
00064 
00065   template<typename _CharT>
00066     typename messages<_CharT>::catalog 
00067     messages<_CharT>::do_open(const basic_string<char>&, const locale&) const
00068     { return 0; }
00069 
00070   template<typename _CharT>
00071     typename messages<_CharT>::string_type  
00072     messages<_CharT>::do_get(catalog, int, int, 
00073                  const string_type& __dfault) const
00074     { return __dfault; }
00075 
00076   template<typename _CharT>
00077     void    
00078     messages<_CharT>::do_close(catalog) const 
00079     { }
00080 
00081    // messages_byname
00082    template<typename _CharT>
00083      messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
00084      : messages<_CharT>(__refs) 
00085      { 
00086     if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
00087       {
00088         this->_S_destroy_c_locale(this->_M_c_locale_messages);
00089         this->_S_create_c_locale(this->_M_c_locale_messages, __s); 
00090       }
00091      }
00092 
00093 _GLIBCXX_END_NAMESPACE

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