emptyheadermarshaller.hpp

机器人开源项目orocos的源代码

/***************************************************************************
  tag: Peter Soetens  Thu Apr 22 20:40:58 CEST 2004  EmptyHeaderMarshaller.hpp 

                        EmptyHeaderMarshaller.hpp -  description
                           -------------------
    begin                : Thu April 22 2004
    copyright            : (C) 2004 Peter Soetens
    email                : [e-mail]
 
 ***************************************************************************
 *   This library 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;                 *
 *   version 2 of the License.                                             *
 *                                                                         *
 *   As a special exception, you may use this file as part of a free       *
 *   software library without restriction.  Specifically, if other files   *
 *   instantiate templates or use macros or inline functions from this     *
 *   file, or you compile this file and link it with other files to        *
 *   produce an executable, this file does not by itself cause the         *
 *   resulting executable to be covered by the GNU General Public          *
 *   License.  This exception does not however invalidate any other        *
 *   reasons why the executable file might be covered by the GNU General   *
 *   Public License.                                                       *
 *                                                                         *
 *   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.                       *
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 *   Foundation, Inc., 59 Temple Place,                                    *
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 ***************************************************************************/ 
 
 
#ifndef PI_PROPERTIES_EMPTYHEADER_SERIALIZER
#define PI_PROPERTIES_EMPTYHEADER_SERIALIZER

#include "../Property.hpp"
#include "../PropertyIntrospection.hpp"
#include "StreamProcessor.hpp"

namespace RTT
{
    /**
     * @brief A Dummy Empty Header Marshaller.
     */
    template<typename o_stream>
    class EmptyHeaderMarshaller 
        : public Marshaller,
          public StreamProcessor<o_stream>
    {
    public:
        typedef o_stream output_stream;
        typedef o_stream OutputStream;
            
        EmptyHeaderMarshaller(output_stream &os) :
            StreamProcessor<o_stream>(os)
        {
        }

        virtual ~EmptyHeaderMarshaller() {}
            
        virtual void flush() {}
            
        virtual void serialize(PropertyBase* v) 
        { 
        }

        virtual void serialize(const PropertyBag &v) 
        {
        }
	};
}
#endif