gcc/libstdc++-v3/config/locale/gnu/messages_members.h

108 lines
3.7 KiB
C++

// std::messages implementation details, GNU version -*- C++ -*-
// Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 22.2.7.1.2 messages functions
//
// Written by Benjamin Kosnik <bkoz@redhat.com>
// Non-virtual member functions.
template<typename _CharT>
messages<_CharT>::messages(size_t __refs)
: facet(__refs), _M_c_locale_messages(_S_get_c_locale()),
_M_name_messages(_S_get_c_name())
{ }
template<typename _CharT>
messages<_CharT>::messages(__c_locale __cloc, const char* __s,
size_t __refs)
: facet(__refs), _M_c_locale_messages(NULL), _M_name_messages(NULL)
{
const size_t __len = std::strlen(__s) + 1;
char* __tmp = new char[__len];
std::memcpy(__tmp, __s, __len);
_M_name_messages = __tmp;
// Last to avoid leaking memory if new throws.
_M_c_locale_messages = _S_clone_c_locale(__cloc);
}
template<typename _CharT>
typename messages<_CharT>::catalog
messages<_CharT>::open(const basic_string<char>& __s, const locale& __loc,
const char* __dir) const
{
bindtextdomain(__s.c_str(), __dir);
return this->do_open(__s, __loc);
}
// Virtual member functions.
template<typename _CharT>
messages<_CharT>::~messages()
{
if (_M_name_messages != _S_get_c_name())
delete [] _M_name_messages;
_S_destroy_c_locale(_M_c_locale_messages);
}
template<typename _CharT>
typename messages<_CharT>::catalog
messages<_CharT>::do_open(const basic_string<char>& __s,
const locale&) const
{
// No error checking is done, assume the catalog exists and can
// be used.
textdomain(__s.c_str());
return 0;
}
template<typename _CharT>
void
messages<_CharT>::do_close(catalog) const
{ }
// messages_byname
template<typename _CharT>
messages_byname<_CharT>::messages_byname(const char* __s, size_t __refs)
: messages<_CharT>(__refs)
{
if (this->_M_name_messages != locale::facet::_S_get_c_name())
delete [] this->_M_name_messages;
char* __tmp = new char[std::strlen(__s) + 1];
std::strcpy(__tmp, __s);
this->_M_name_messages = __tmp;
if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0)
{
this->_S_destroy_c_locale(this->_M_c_locale_messages);
this->_S_create_c_locale(this->_M_c_locale_messages, __s);
}
}