# messages_members.h

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    00001 // std::messages implementation details, GNU version -*- C++ -*-
    00002
    00003 // Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
    00004 // Free Software Foundation, Inc.
    00005 //
    00006 // This file is part of the GNU ISO C++ Library.  This library is free
    00007 // software; you can redistribute it and/or modify it under the
    00008 // terms of the GNU General Public License as published by the
    00009 // Free Software Foundation; either version 2, or (at your option)
    00010 // any later version.
    00011
    00012 // This library is distributed in the hope that it will be useful,
    00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00015 // GNU General Public License for more details.
    00016
    00017 // You should have received a copy of the GNU General Public License along
    00018 // with this library; see the file COPYING.  If not, write to the Free
    00019 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
    00020 // USA.
    00021
    00022 // As a special exception, you may use this file as part of a free software
    00023 // library without restriction.  Specifically, if other files instantiate
    00024 // templates or use macros or inline functions from this file, or you compile
    00025 // this file and link it with other files to produce an executable, this
    00026 // file does not by itself cause the resulting executable to be covered by
    00027 // the GNU General Public License.  This exception does not however
    00028 // invalidate any other reasons why the executable file might be covered by
    00029 // the GNU General Public License.
    00030
    00031 /** @file messages_members.h
    00032  *  This is an internal header file, included by other library headers.
    00033  *  You should not attempt to use it directly.
    00034  */
    00035
    00036 //
    00037 // ISO C++ 14882: 22.2.7.1.2  messages functions
    00038 //
    00039
    00040 // Written by Benjamin Kosnik <bkoz@redhat.com>
    00041
    00042 #include <libintl.h>
    00043
    00044 _GLIBCXX_BEGIN_NAMESPACE(std)
    00045
    00046   // Non-virtual member functions.
    00047   template<typename _CharT>
    00048      messages<_CharT>::messages(size_t __refs)
    00049      : facet(__refs), _M_c_locale_messages(_S_get_c_locale()),
    00050        _M_name_messages(_S_get_c_name())
    00051      { }
    00052
    00053   template<typename _CharT>
    00054      messages<_CharT>::messages(__c_locale __cloc, const char* __s,
    00055                 size_t __refs)
    00056      : facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL)
    00057      {
    00058        if (__builtin_strcmp(__s, _S_get_c_name()) != 0)
    00059      {
    00060        const size_t __len = __builtin_strlen(__s) + 1;
    00061        char* __tmp = new char[__len];
    00062        __builtin_memcpy(__tmp, __s, __len);
    00063        _M_name_messages = __tmp;
    00064      }
    00065        else
    00066      _M_name_messages = _S_get_c_name();
    00067
    00068        // Last to avoid leaking memory if new throws.
    00069        _M_c_locale_messages = _S_clone_c_locale(__cloc);
    00070      }
    00071
    00072   template<typename _CharT>
    00073     typename messages<_CharT>::catalog
    00074     messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
    00075                const char* __dir) const
    00076     {
    00077       bindtextdomain(__s.c_str(), __dir);
    00078       return this->do_open(__s, __loc);
    00079     }
    00080
    00081   // Virtual member functions.
    00082   template<typename _CharT>
    00083     messages<_CharT>::~messages()
    00084     {
    00085       if (_M_name_messages != _S_get_c_name())
    00086     delete [] _M_name_messages;
    00087       _S_destroy_c_locale(_M_c_locale_messages);
    00088     }
    00089
    00090   template<typename _CharT>
    00091     typename messages<_CharT>::catalog
    00092     messages<_CharT>::do_open(const basic_string<char>& __s,
    00093                   const locale&) const
    00094     {
    00095       // No error checking is done, assume the catalog exists and can
    00096       // be used.
    00097       textdomain(__s.c_str());
    00098       return 0;
    00099     }
    00100
    00101   template<typename _CharT>
    00102     void
    00103     messages<_CharT>::do_close(catalog) const
    00104     { }
    00105
    00106    // messages_byname
    00107    template<typename _CharT>
    00108      messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
    00109      : messages<_CharT>(__refs)
    00110      {
    00111        if (this->_M_name_messages != locale::facet::_S_get_c_name())
    00112      {
    00113        delete [] this->_M_name_messages;
    00114        if (__builtin_strcmp(__s, locale::facet::_S_get_c_name()) != 0)
    00115          {
    00116            const size_t __len = __builtin_strlen(__s) + 1;
    00117            char* __tmp = new char[__len];
    00118            __builtin_memcpy(__tmp, __s, __len);
    00119            this->_M_name_messages = __tmp;
    00120          }
    00121        else
    00122          this->_M_name_messages = locale::facet::_S_get_c_name();
    00123      }
    00124
    00125        if (__builtin_strcmp(__s, "C") != 0
    00126        && __builtin_strcmp(__s, "POSIX") != 0)
    00127      {
    00128        this->_S_destroy_c_locale(this->_M_c_locale_messages);
    00129        this->_S_create_c_locale(this->_M_c_locale_messages, __s);
    00130      }
    00131      }
    00132
    00133 _GLIBCXX_END_NAMESPACE