/home/tobi/workspace/solarpowerlog/src/patterns/IValue.h

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/* ----------------------------------------------------------------------------
 solarpowerlog
 Copyright (C) 2009  Tobias Frost

 This file is part of solarpowerlog.

 Solarpowerlog is free software; However, it is dual-licenced
 as described in the file "COPYING".

 For this file (IValue.h), the license terms are:

 You can redistribute it and/or  modify it under the terms of the GNU Lesser
 General Public License (LGPL) 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 GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Library General Public
 License along with this proramm; if not, see
 <http://www.gnu.org/licenses/>.
 ----------------------------------------------------------------------------
 */

#ifndef ICAPABILITY_H_
#define ICAPABILITY_H_

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string>

class IValue
{
public:

     enum factory_types
     {
          bool_type, 
          int_type, 
          float_type, 
          string_type
     };

     static IValue* Factory( const factory_types typedescriptor );

     virtual factory_types GetType( void ) const;

     // virtual std::string string GetValueAsString();

public:
     virtual operator std::string() = 0;

protected:
     IValue();
public:
     virtual ~IValue();

protected:
     factory_types type;

};

#endif /* ICAPABILITY_H_ */