/* -*- 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 "uinteger.h"

#include "fatal-error.h"

#include <sstream>

namespace ns3 {

Uinteger::Uinteger (uint64_t value)

  : m_value (value)

{}

Uinteger::Uinteger ()

{}

void 

Uinteger::Set (uint64_t value)

{

  m_value = value;

}

uint64_t 

Uinteger::Get (void) const

{

  return m_value;

}

Uinteger::operator uint64_t () const

{

  return m_value;

}

std::ostream & operator << (std::ostream &os, const Uinteger &uinteger)

{

  os << uinteger.Get ();

  return os;

}

std::istream & operator >> (std::istream &is, Uinteger &uinteger)

{

  uint64_t v;

  is >> v;

  uinteger.Set (v);

  return is;

}

ATTRIBUTE_CONVERTER_IMPLEMENT(Uinteger);

ATTRIBUTE_VALUE_IMPLEMENT(Uinteger);

namespace internal {

Ptr<const AttributeChecker> MakeUintegerChecker (uint64_t min, uint64_t max, std::string name)

{

  struct Checker : public AttributeChecker

  {

    Checker (uint64_t minValue, uint64_t maxValue, std::string name)

      : m_minValue (minValue),

        m_maxValue (maxValue),

        m_name (name) {}

    virtual bool Check (Attribute value) const {

      const UintegerValue *v = value.DynCast<const UintegerValue *> ();

      if (v == 0)

	{

	  return false;

	}

      return v->Get ().Get () >= m_minValue && v->Get ().Get () <= m_maxValue;

    }

    virtual std::string GetType (void) const {

      return m_name;

    }

    virtual bool HasTypeConstraints (void) const {

      return true;

    }

    virtual std::string GetTypeConstraints (void) const {

      std::ostringstream oss;

      oss << m_minValue << ":" << m_maxValue;

      return oss.str ();

    }

    virtual Attribute Create (void) const {

    }

    uint64_t m_minValue;

    uint64_t m_maxValue;

    std::string m_name;

  } *checker = new Checker (min, max, name);

  return Ptr<const AttributeChecker> (checker, false);

}

} // namespace internal

} // namespace ns3