/*
    Copyright (C) 2012 Bartosz Broda, Jacek Bochenek, Łukasz Biłeńkij, 
    Damian Jaworski, Wojciech Mazur, Dominik Piasecki, Maciej Piasecki, 
    Radosław Ramocki
    
    This program 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 program 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 LICENSE and COPYING files for more details.
*/

#ifndef LEXICALUNITS_RESOURCEHOLDER_H
#define LEXICALUNITS_RESOURCEHOLDER_H
#include "../lex_headers.h"
#include "UnitStub.h"

namespace LexicalUnits
{
	namespace MEParser
	{
		/**
		Simple class to hold a global data.
		*/
		class ResourcesHolder
		{
		public:
			/**
			Throws exception if parser hasn't been set.
			*/
			static boost::shared_ptr<JOSKIPI::Parsers::CAntlrParser> GetJOSKIPIParser();
			/**
			Sets JOSKIPI operators parser.
			*/
			static void SetJOSKIPIParser(boost::shared_ptr<JOSKIPI::Parsers::CAntlrParser> parser);

			/**
			Releases all keept resources (not deletse, just releases)
			*/
			static void ReleaseResources();

		private:
			static boost::shared_ptr<JOSKIPI::Parsers::CAntlrParser> m_pParser;
		};// class ResourcesHolder
	}//namespace MEParser
}//namespace LexicalUnits
#endif //LEXICALUNITS_RESOURCEHOLDER_H
