MStreamable.h

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/* -*-mode:c++; c-file-style: "gnu";-*- */
/*
 *  $Id: MStreamable_8h-source.html,v 1.3 2008/01/19 21:53:42 sebdiaz Exp $
 *
 *  Copyright (C) 1996 - 2004 Stephen F. Booth <sbooth@gnu.org>
 *                       2007 Sebastien DIAZ <sebastien.diaz@gmail.com>
 *  Part of the GNU cgicc library, http://www.gnu.org/software/cgicc
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 3 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 
 */

#ifndef _MSTREAMABLE_H_
#define _MSTREAMABLE_H_ 1

#ifdef __GNUG__
#  pragma interface
#endif

#include <iostream>

#include "cgicc/CgiDefs.h"

namespace cgicc {

  class MStreamable;

  CGICC_API std::ostream& 
  operator<<(std::ostream& out, const MStreamable& obj);
  
  // ============================================================
  // Class MStreamable
  // ============================================================
  
  class CGICC_API MStreamable 
  {
    
    friend CGICC_API std::ostream& 
    operator<<(std::ostream& out, const MStreamable& obj);
    
  public:
    inline MStreamable() 
    {}
    
    inline virtual ~MStreamable() 
    {}
    
    virtual void
    render(std::ostream& out)                           const = 0;
  };
  
} // namespace cgicc

#endif /* ! _MSTREAMABLE_H_ */

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