gmNanBoxedValue.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_NANBOXED_VALUE_H_
#define _GEMA_NANBOXED_VALUE_H_

#include "gmCoreConfig.h"

class GmUserFunction;
class GmUserFunctionEvaluator;

#include <qtNanBoxedValue.h>


class GmNanBoxedValue : public QtNanBoxedValue
{
public:

  enum PointerTags
  {
    UserFunction      = 0, 
    FunctionEvaluator = 1, 
  };

  GmNanBoxedValue() {}

  GmNanBoxedValue(double value) : QtNanBoxedValue(value) {}

  GmNanBoxedValue(GmUserFunction* ptr) : QtNanBoxedValue(ptr, UserFunction) {}
  
  GmNanBoxedValue(GmUserFunctionEvaluator* ptr) : QtNanBoxedValue(ptr, FunctionEvaluator) {}

  bool isUserFunction() const { return ptrTag() == UserFunction; }

  bool isUserFunctionEvaluator() const { return ptrTag() == FunctionEvaluator; }

  GmUserFunction* toUserFunction() const { assert(isUserFunction()); return toPtr<GmUserFunction>(); }

  GmUserFunctionEvaluator* toUserFunctionEvaluator() const { assert(isUserFunctionEvaluator()); return toPtr<GmUserFunctionEvaluator>(); }
};

Q_DECLARE_TYPEINFO(GmNanBoxedValue, Q_PRIMITIVE_TYPE);

#endif