/* -*- 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>

 */

#ifndef BOOLEAN_H

#define BOOLEAN_H

#include "attribute.h"

#include "attribute-helper.h"

namespace ns3 {

/**

 * \ingroup attribute

 *

 * \brief Hold a bool native type

 *

 * \anchor bool

 *

 * This class can be used to hold bool variables

 * which must go through the Attribute system.

 */

class BooleanValue : public AttributeValue

{

public:

  BooleanValue ();

  BooleanValue (bool value);

  void Set (bool value);

  bool Get (void) const;

  template <typename T>

  bool GetAccessor (T &v) const;

  operator bool () const;

  virtual Ptr<AttributeValue> Copy (void) const;

  virtual std::string SerializeToString (Ptr<const AttributeChecker> checker) const;

  virtual bool DeserializeFromString (std::string value, Ptr<const AttributeChecker> checker);

private:

  bool m_value;

};

template <typename T>

bool BooleanValue::GetAccessor (T &v) const

{

  v = T (m_value);

  return true;

}

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

ATTRIBUTE_CHECKER_DEFINE (Boolean);

ATTRIBUTE_ACCESSOR_DEFINE (Boolean);

} // namespace ns3

#endif /* BOOLEAN_H */