portbase.h

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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.
 *
 *------------------------------------------------------------------*/

#ifndef PORT_BASE_H
#define PORT_BASE_H

#include "connector.h"

class FifoBase;
class Component;


class PortBase : public Connector
{
public:
  PortBase(const IdBase& n);

  Component* parentComponent() const;
};


class InPortBase : public PortBase
{
public:
  InPortBase(const IdBase& n, Connector& c);

  FifoBase*   getSrcFifo() const;                 // get src fifo or 0 if src is inport
  InPortBase* getSrcPort() const;                 // get src inport or 0 if src is fifo
  InPortBase* getDstPort(unsigned int i=0) const; // get dst inport or 0 if process port

private:
  friend void insert(Component* c, InPortBase* i);
};


class OutPortBase : public PortBase
{
public:
  OutPortBase(const IdBase& n, Connector& c);
  
  FifoBase*    getDstFifo(unsigned int i=0) const; // get dst fifo or 0
  OutPortBase* getDstPort(unsigned int i=0) const; // get dst outport or 0
  OutPortBase* getSrcPort() const;                 // get src outport or 0

private:
  friend void insert(Component* c, OutPortBase* o);
};


#endif

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