# 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      }