virtual_library.h

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#ifndef VIRTUAL_LIBRARY_CLASS
#define VIRTUAL_LIBRARY_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : virtual_library                                                   *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2000-$now By Author.  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 is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include <basis/definitions.h>
#include "opsysdll.h"


namespace library_plugins {

  class OPSYSTEM_CLASS_STYLE vl_data_pack { public: virtual ~vl_data_pack(); };

  class OPSYSTEM_CLASS_STYLE virtual_library
  { 
  public:
    virtual ~virtual_library();  

    virtual virtual_library *create_instance(vl_data_pack &parameters) = 0;

  };


  #define DEFINE_VIRTUAL_LIBRARY(library_class_name) \
    extern "C" { \
      virtual_library HOOPLE_DLL_EXPORT_FUNCTION *static_create_instance \
          (vl_data_pack &parameters) \
      { library_class_name blank; return blank.create_instance(parameters); } \
    }


  #define STATIC_CREATE_INSTANCE_NAME "static_create_instance"

} // namespace.

#endif // outer guard

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