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

/*

 * Copyright (c) 2007 INRIA, Mathieu Lacage

 *

 * 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@gmail.com>

 */

#ifndef OBJECT_MAP_H

#define OBJECT_MAP_H

#include "object.h"

#include "ptr.h"

#include "attribute.h"

#include "object-ptr-container.h"

namespace ns3 {

typedef ObjectPtrContainerValue ObjectMapValue;

template <typename T, typename U>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (U T::*memberContainer);

template <typename T>

Ptr<const AttributeChecker> MakeObjectMapChecker (void);

template <typename T, typename U, typename INDEX>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (Ptr<U> (T::*get)(INDEX) const,

                          INDEX (T::*getN)(void) const);

template <typename T, typename U, typename INDEX>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (INDEX (T::*getN)(void) const,

                       Ptr<U> (T::*get)(INDEX) const);

template <typename T, typename U>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (U T::*memberVector)

{

  struct MemberStdContainer : public ObjectPtrContainerAccessor

  {

    virtual bool DoGetN (const ObjectBase *object, uint32_t *n) const {

      const T *obj = dynamic_cast<const T *> (object);

      if (obj == 0)

        {

          return false;

        }

      *n = (obj->*m_memberVector).size ();

      return true;

    }

    virtual Ptr<Object> DoGet (const ObjectBase *object, uint32_t i, uint32_t *index) const {

      const T *obj = static_cast<const T *> (object);

      typename U::const_iterator begin = (obj->*m_memberVector).begin ();

      typename U::const_iterator end = (obj->*m_memberVector).end ();

      uint32_t k = 0;

      for (typename U::const_iterator j = begin; j != end; j++, k++)

        {

          if (k == i)

            {

              *index = (*j).first;

              return (*j).second;

              break;

            }

        }

      NS_ASSERT (false);

      // quiet compiler.

      return 0;

    }

    U T::*m_memberVector;

  } *spec = new MemberStdContainer ();

  spec->m_memberVector = memberVector;

  return Ptr<const AttributeAccessor> (spec, false);

}

template <typename T>

Ptr<const AttributeChecker> MakeObjectMapChecker (void)

{

  return MakeObjectPtrContainerChecker<T> ();

}

template <typename T, typename U, typename INDEX>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (Ptr<U> (T::*get)(INDEX) const,

		       INDEX (T::*getN)(void) const)

{

  return MakeObjectPtrContainerAccessor<T,U,INDEX>(get, getN);

}

template <typename T, typename U, typename INDEX>

Ptr<const AttributeAccessor>

MakeObjectMapAccessor (INDEX (T::*getN)(void) const,

		       Ptr<U> (T::*get)(INDEX) const)

{

  return MakeObjectPtrContainerAccessor<T,U,INDEX>(get, getN);

}

} // namespace ns3

#endif /* OBJECT_MAP_H */