BundlePointer.cc

// Copyright 2008 Michael Marsh, University of Maryland.
//
// This file is part of pydtn.
//
// pydtn is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// pydtn 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 pydtn.  If not, see <http://www.gnu.org/licenses/>.
//
// The views and conclusions contained in the software and documentation
// are those of the authors and should not be interpreted as representing
// official policies, either expressed or implied, of the University
// of Maryland.
//
// pydtn extends and embeds the Python interpreter, which is
// Copyright 2001-2006 Python Software Foundation, All Rights Reserved,
// and is released under the PSF License Agreement.
//
// RANLUX random number generation uses the Boost library,
// Copyright 1994-2006 by various authors (details in individual files),
// which is released under the Boost Software License, Version 1.0.

#include "BundlePointer.h"

using namespace DTN;

BundlePointer::BundlePointer( BundlePointerRepr* repr ) :
   m_repr( repr )
{
}

BundlePointer::BundlePointer( const BundlePointer& aOther )
{
   if ( 0 != aOther.m_repr )
   {
      m_repr = aOther.m_repr->clone();
   }
   else
   {
      m_repr = 0;
   }
}

BundlePointer::~BundlePointer()
{
   if ( 0 != m_repr )
   {
      delete m_repr;
   }
}

void
BundlePointer::operator=( const BundlePointer& aOther )
{
   if ( &aOther == this ) return;

   if ( 0 != m_repr )
   {
      delete m_repr;
   }
   m_repr = 0;
   if ( 0 != aOther.m_repr )
   {
      m_repr = aOther.m_repr->clone();
   }
}

bool
BundlePointer::operator==( const BundlePointer& bp )
{
   // NULL pointers are defined to be not equal to anything.
   if ( bp.isNull() ) return false;
   if ( 0 == m_repr ) return false;

   return ( *bp.m_repr == *m_repr );
}

bool
BundlePointer::isNull() const
{
   return ( 0 == m_repr );
}

const BundlePointerRepr*
BundlePointer::repr() const
{
   return m_repr;
}

BundlePointer
BundlePointer::next()
{
   if ( 0 == m_repr )
   {
      return BundlePointer( 0 );
   }
   return BundlePointer( m_repr->next() );
}

const BundlePointer
BundlePointer::next() const
{
   if ( 0 == m_repr )
   {
      return BundlePointer( 0 );
   }
   return BundlePointer( m_repr->next() );
}

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