vtkNew.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkNew.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkNew_h
#define vtkNew_h

#include "vtkIOStream.h"

class vtkObjectBase;

template <class T>
class vtkNew
{
  void CheckObjectBase(vtkObjectBase*) {}
public:
  vtkNew() : Object(T::New())
  {
    this->CheckObjectBase(this->Object);
  }


  ~vtkNew()
  {
    T* obj = this->Object;
    if (obj)
    {
      this->Object = nullptr;
      obj->Delete();
    }
  }

  T* operator->() const
  {
    return this->Object;
  }


  T* GetPointer() const
  {
    return this->Object;
  }
  T* Get() const
  {
    return this->Object;
  }
  operator T* () const
  {
    return static_cast<T*>(this->Object);
  }

  T& operator*() const
  {
    return *static_cast<T*>(this->Object);
  }

private:
  vtkNew(vtkNew<T> const&) = delete;
  void operator=(vtkNew<T> const&) = delete;
  T* Object;
};

#endif
// VTK-HeaderTest-Exclude: vtkNew.h