LuaState.hpp

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/******************************************************************************\
* LuaState                                                                     *
* A pleasant way to use a Lua state in C++.                                    *
*                                                                              *
*                                                                              *
* 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     *
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* 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   *
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* IN THE SOFTWARE.                                                             *
\******************************************************************************/


#ifndef _DILUCULUM_LUA_STATE_HPP_
#define _DILUCULUM_LUA_STATE_HPP_

#include <lua.hpp>
#include <string>
#include <vector>
#include <Diluculum/LuaExceptions.hpp>
#include <Diluculum/LuaValue.hpp>
#include <Diluculum/LuaVariable.hpp>
#include <Diluculum/Types.hpp>


namespace Diluculum
{

   class LuaState
   {
      public:
         explicit LuaState (bool loadStdLib = true);

         explicit LuaState (lua_State* state, bool loadStdLib = false);

         virtual ~LuaState();

         LuaValueList doFile (const std::string& fileName)
         { return doStringOrFile (false, fileName); }

         LuaValueList doString (const std::string& what)
         { return doStringOrFile (true, what); }

         LuaVariable operator[] (const std::string& variable);

         lua_State* getState() { return state_; }

      private:
         LuaValueList doStringOrFile (bool isString, const std::string& str);

         lua_State* state_;

         const bool ownsState_;

         void throwOnLuaError (int retCode);
   };

} // namespace Diluculum

#endif // #ifndef _DILUCULUM_LUA_STATE_HPP_

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