LuaUserData.hpp

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/******************************************************************************\
* LuaUserData.hpp                                                              *
* A C++ equivalent of a Lua userdata.                                          *
*                                                                              *
*                                                                              *
* Copyright (C) 2005-2007 by Leandro Motta Barros.                             *
*                                                                              *
* Permission is hereby granted, free of charge, to any person obtaining a copy *
* of this software and associated documentation files (the "Software"), to     *
* deal in the Software without restriction, including without limitation the   *
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or  *
* sell copies of the Software, and to permit persons to whom the Software is   *
* furnished to do so, subject to the following conditions:                     *
*                                                                              *
* The above copyright notice and this permission notice shall be included in   *
* all copies or substantial portions of the Software.                          *
*                                                                              *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR   *
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,     *
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* IN THE SOFTWARE.                                                             *
\******************************************************************************/

#ifndef _DILUCULUM_LUA_USER_DATA_HPP_
#define _DILUCULUM_LUA_USER_DATA_HPP_

#include <boost/scoped_array.hpp>
#include <lua.hpp>
#include <Diluculum/Types.hpp>


namespace Diluculum
{
   class LuaUserData
   {
      public:

         LuaUserData (size_t size);

         LuaUserData (const LuaUserData& other);

         const LuaUserData& operator= (const LuaUserData& rhs);

         size_t getSize() const { return size_; }

         void* getData() { return data_.get(); }

         const void* getData() const { return data_.get(); }

         bool operator> (const LuaUserData& rhs) const;

         bool operator< (const LuaUserData& rhs) const;

         bool operator== (const LuaUserData& rhs) const;

         bool operator!= (const LuaUserData& rhs) const;

      private:
         size_t size_;

         boost::scoped_array<char> data_;
   };

} // namespace Diluculum

#endif // _DILUCULUM_LUA_USER_DATA_HPP_

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