filter.cc 1.77 KB
/* GNU Mailutils -- a suite of utilities for electronic mail
   Copyright (C) 2004, 2006-2007, 2009-2012, 2014-2017 Free Software
   Foundation, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General
   Public License along with this library.  If not, see
   <http://www.gnu.org/licenses/>. */

#include <mailutils/cpp/filter.h>

using namespace mailutils;

//
// FilterStream
//

FilterStream :: FilterStream (Stream& transport,
			      const std::string& code,
			      int mode, int flag)
{
  int status = mu_filter_create (&this->stm,
				 transport.stm,
				 code.c_str (),
				 mode, flag);
  if (status)
    throw Exception ("FilterStream::FilterStream", status);
  this->input = new Stream (transport);
}

//
// FilterIconvStream
//

FilterIconvStream :: FilterIconvStream (Stream& transport,
					const std::string& fromcode,
					const std::string& tocode,
					int flags,
					enum mu_iconv_fallback_mode fm)
{
  const char *argv[4] = { "iconv", NULL, NULL, NULL };
  argv[1] = fromcode.c_str ();
  argv[2] = tocode.c_str ();

  int status = mu_filter_create_args (&this->stm, transport.stm, argv[0], 3,
				      argv, MU_FILTER_DECODE, flags);
  if (status)
    throw Exception ("FilterIconvStream::FilterIconvStream", status);
  this->input = new Stream (transport);
}