1  // std::messages implementation details, generic version -*- C++ -*-
       2  
       3  // Copyright (C) 2001-2023 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 3, 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  // Under Section 7 of GPL version 3, you are granted additional
      17  // permissions described in the GCC Runtime Library Exception, version
      18  // 3.1, as published by the Free Software Foundation.
      19  
      20  // You should have received a copy of the GNU General Public License and
      21  // a copy of the GCC Runtime Library Exception along with this program;
      22  // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      23  // <http://www.gnu.org/licenses/>.
      24  
      25  /** @file bits/messages_members.h
      26   *  This is an internal header file, included by other library headers.
      27   *  Do not attempt to use it directly. @headername{locale}
      28   */
      29  
      30  //
      31  // ISO C++ 14882: 22.2.7.1.2  messages virtual functions
      32  //
      33  
      34  // Written by Benjamin Kosnik <bkoz@redhat.com>
      35  
      36  namespace std _GLIBCXX_VISIBILITY(default)
      37  {
      38  _GLIBCXX_BEGIN_NAMESPACE_VERSION
      39  
      40    // Non-virtual member functions.
      41    template<typename _CharT>
      42       messages<_CharT>::messages(size_t __refs)
      43       : facet(__refs)
      44       { _M_c_locale_messages = _S_get_c_locale(); }
      45  
      46    template<typename _CharT>
      47       messages<_CharT>::messages(__c_locale, const char*, size_t __refs)
      48       : facet(__refs)
      49       { _M_c_locale_messages = _S_get_c_locale(); }
      50  
      51    template<typename _CharT>
      52      typename messages<_CharT>::catalog
      53      messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
      54  			   const char*) const
      55      { return this->do_open(__s, __loc); }
      56  
      57    // Virtual member functions.
      58    template<typename _CharT>
      59      messages<_CharT>::~messages()
      60      { _S_destroy_c_locale(_M_c_locale_messages); }
      61  
      62    template<typename _CharT>
      63      typename messages<_CharT>::catalog
      64      messages<_CharT>::do_open(const basic_string<char>&, const locale&) const
      65      { return 0; }
      66  
      67    template<typename _CharT>
      68      typename messages<_CharT>::string_type
      69      messages<_CharT>::do_get(catalog, int, int,
      70  			     const string_type& __dfault) const
      71      { return __dfault; }
      72  
      73    template<typename _CharT>
      74      void
      75      messages<_CharT>::do_close(catalog) const
      76      { }
      77  
      78     // messages_byname
      79     template<typename _CharT>
      80       messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
      81       : messages<_CharT>(__refs)
      82       {
      83  	if (__builtin_strcmp(__s, "C") != 0
      84  	    && __builtin_strcmp(__s, "POSIX") != 0)
      85  	  {
      86  	    this->_S_destroy_c_locale(this->_M_c_locale_messages);
      87  	    this->_S_create_c_locale(this->_M_c_locale_messages, __s);
      88  	  }
      89       }
      90  
      91  _GLIBCXX_END_NAMESPACE_VERSION
      92  } // namespace