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dox/Common/vtkSmartPointer.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkSmartPointer.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00029 #ifndef __vtkSmartPointer_h
00030 #define __vtkSmartPointer_h
00031 
00032 #include "vtkSmartPointerBase.h"
00033 
00034 template <class T>
00035 class vtkSmartPointer: public vtkSmartPointerBase
00036 {
00037 public:
00039   vtkSmartPointer() {}
00040   
00042   vtkSmartPointer(T* r): vtkSmartPointerBase(r) {}
00043   
00046   vtkSmartPointer(const vtkSmartPointerBase& r): vtkSmartPointerBase(r) {}
00047   
00049 
00051   vtkSmartPointer& operator=(T* r)
00052     {
00053     this->vtkSmartPointerBase::operator=(r);
00054     return *this;
00055     }
00057   
00059 
00061   vtkSmartPointer& operator=(const vtkSmartPointerBase& r)
00062     {
00063     this->vtkSmartPointerBase::operator=(r);
00064     return *this;
00065     }  
00067   
00069 
00070   T* GetPointer() const
00071     {
00072     return static_cast<T*>(this->Object);
00073     }
00075   
00077 
00079   T& operator*() const
00080     {
00081     return *static_cast<T*>(this->Object);
00082     }
00084   
00086 
00087   T* operator->() const
00088     {
00089     return static_cast<T*>(this->Object);
00090     }
00092 };
00093 
00094 #endif