# messages_members.h

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    00001 // std::messages implementation details, GNU version -*- C++ -*-
    00002
    00003 // Copyright (C) 2001, 2002, 2003, 2004, 2005 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 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), _M_c_locale_messages(_S_get_c_locale()),
    00047        _M_name_messages(_S_get_c_name())
    00048      { }
    00049
    00050   template<typename _CharT>
    00051      messages<_CharT>::messages(__c_locale __cloc, const char* __s,
    00052                 size_t __refs)
    00053      : facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL)
    00054      {
    00055        const size_t __len = std::strlen(__s) + 1;
    00056        char* __tmp = new char[__len];
    00057        std::memcpy(__tmp, __s, __len);
    00058        _M_name_messages = __tmp;
    00059
    00060        // Last to avoid leaking memory if new throws.
    00061        _M_c_locale_messages = _S_clone_c_locale(__cloc);
    00062      }
    00063
    00064   template<typename _CharT>
    00065     typename messages<_CharT>::catalog
    00066     messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
    00067                const char* __dir) const
    00068     {
    00069       bindtextdomain(__s.c_str(), __dir);
    00070       return this->do_open(__s, __loc);
    00071     }
    00072
    00073   // Virtual member functions.
    00074   template<typename _CharT>
    00075     messages<_CharT>::~messages()
    00076     {
    00077       if (_M_name_messages != _S_get_c_name())
    00078     delete [] _M_name_messages;
    00079       _S_destroy_c_locale(_M_c_locale_messages);
    00080     }
    00081
    00082   template<typename _CharT>
    00083     typename messages<_CharT>::catalog
    00084     messages<_CharT>::do_open(const basic_string<char>& __s,
    00085                   const locale&) const
    00086     {
    00087       // No error checking is done, assume the catalog exists and can
    00088       // be used.
    00089       textdomain(__s.c_str());
    00090       return 0;
    00091     }
    00092
    00093   template<typename _CharT>
    00094     void
    00095     messages<_CharT>::do_close(catalog) const
    00096     { }
    00097
    00098    // messages_byname
    00099    template<typename _CharT>
    00100      messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
    00101      : messages<_CharT>(__refs)
    00102      {
    00103        if (this->_M_name_messages != locale::facet::_S_get_c_name())
    00104      delete [] this->_M_name_messages;
    00105        char* __tmp = new char[std::strlen(__s) + 1];
    00106        std::strcpy(__tmp, __s);
    00107        this->_M_name_messages = __tmp;
    00108
    00109        if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
    00110      {
    00111        this->_S_destroy_c_locale(this->_M_c_locale_messages);
    00112        this->_S_create_c_locale(this->_M_c_locale_messages, __s);
    00113      }
    00114      }
    00115
    00116 _GLIBCXX_END_NAMESPACE