portbase.cc

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/*--------------------------------------------------------------------
 *
 * (C) Copyright Koninklijke Philips Electronics NV 2006. 
 * All rights reserved. This software is licensed under the terms of
 * version 2.1 of the GNU Lesser General Public License as published 
 * by the Free Software Foundation. For licensing and warranty
 * information, see the file COPYING in the main directory.
 *
 *------------------------------------------------------------------*/

#include <sys/types.h>
#include "component.h"
#include "portbase.h"
#include "fifobase.h"
#include <assert.h>

PortBase::PortBase(const IdBase& n) : Connector(n)
{ }

Component* PortBase::parentComponent() const
{
  return (Component*)parent();
}



InPortBase::InPortBase(const IdBase& n, Connector& c) : PortBase(n)
{
  insert(parentComponent(), this);
  link(c, *this);
}

FifoBase* InPortBase::getSrcFifo() const
{
  // src might be an InPort or Fifo !!
  Connector* c = getSrc();
  if (c->isFifo())
    return (FifoBase*)c;
  else
    return 0;
}

InPortBase* InPortBase::getSrcPort() const
{
  // src might be an InPort or Fifo !!
  Connector* c = getSrc();
  if (c->isFifo())
    return 0;
  else
    return (InPortBase*)c;
}

InPortBase* InPortBase::getDstPort(unsigned int i) const
{
  // dst is Inport or 0
  return (InPortBase*)getDst(i);
}



OutPortBase::OutPortBase(const IdBase& n, Connector& c) : PortBase(n)
{
  insert(parentComponent(), this);
  link(*this, c);
}

FifoBase* OutPortBase::getDstFifo(unsigned int i) const
{
  Connector* c = getDst(i);
  if (c->isFifo())
    return (FifoBase*)c;
  else
    return 0;
}

OutPortBase* OutPortBase::getDstPort(unsigned int i) const
{
  Connector* c = getDst(i);
  if (c->isFifo())
    return 0;
  else
    return (OutPortBase*)c;
}

OutPortBase* OutPortBase::getSrcPort() const
{
  assert(nrSrc() > 0);
  return (OutPortBase*)getSrc();
}

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