/*
*  $Id: cpp.html,v 1.1.1.1 1999/09/28 16:43:44 sbooth Exp $
*
*  Copyright (C) 1996, 1997, 1998, 1999 Stephen F. Booth
*
*  This program 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 2 of the License, or
*  (at your option) any later version.
*
*  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
*/

#ifndef __MSTREAMABLE__
  #define __MSTREAMABLE__ 1

  #include <iostream>

  #include "CgiDefs.hh"

  CGICC_BEGIN_NAMESPACE

  // ============================================================
  // Class MStreamable
  // ============================================================
  /** 
  * Abstract mix-in class which makes classes streamable via
  * the << operator.
  * Written in the spirit of a Java interface.
  */
  class MStreamable 
  {
    
  friend STDNS ostream& operator<<(STDNS ostream& out, const MStreamable& obj);
    
  public:
    /**
    * Write this object to a stream.  Subclasses must implement this function.
    * @param out The ostream to which to write.
    */
    virtual void
    render(STDNS ostream& out) 				const = 0;
  };
  
  CGICC_END_NAMESPACE

#endif

//EOF