/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2008 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program 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 program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#include "boolean.h"

#include "fatal-error.h"

namespace ns3 {

Boolean::Boolean ()

  : m_value (false)

{}

Boolean::Boolean (bool value)

  : m_value (value)

{}

void 

Boolean::Set (bool value)

{

  m_value = value;

}

bool 

Boolean::Get (void) const

{

  return m_value;

}

Boolean::operator bool () const

{

  return m_value;

}

std::ostream & operator << (std::ostream &os, const Boolean &value)

{

  if (value.Get ())

    {

      os << "true";

    }

  else

    {

      os << "false";

    }

  return os;

}

std::istream & operator >> (std::istream &is, Boolean &value)

{

  std::string v;

  is >> v;

  if (v == "true" ||

      v == "1" ||

      v == "t")

    {

      value.Set (true);

    }

  else if (v == "false" ||

	   v == "0" ||

	   v == "f")

    {

      value.Set (false);

    }

  else

    {

      is.setstate (std::ios_base::badbit);

    }  

  return is;

}

ATTRIBUTE_CONVERTER_IMPLEMENT (Boolean);

ATTRIBUTE_VALUE_IMPLEMENT (Boolean);

ATTRIBUTE_CHECKER_IMPLEMENT (Boolean);

} // namespace ns3