Common/KWCommon/vtkLinkedListIterator.h

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

  Module:    $RCSfile: vtkLinkedListIterator.h,v $

  Copyright (c) Kitware, Inc.
  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 __vtkLinkedListIterator_h
#define __vtkLinkedListIterator_h

#include "vtkAbstractIterator.h"

template <class DType> class vtkLinkedList;
template <class DType> class vtkLinkedListNode;

template <class DType>
class vtkLinkedListIterator : public vtkAbstractIterator<vtkIdType,DType>
{
  friend class vtkLinkedList<DType>;
  virtual const char* GetClassNameInternal() const { return "vtkLinkedListIterator"; }

public:
  int GetKey(vtkIdType&);

  int GetData(DType&);

  void InitTraversal();

  int IsDoneWithTraversal();

  void GoToNextItem();

  void GoToPreviousItem();

  void GoToFirstItem();

  void GoToLastItem();

protected:
  static vtkLinkedListIterator<DType> *New();

  vtkLinkedListIterator() {
    this->Pointer = 0; 
  }
  virtual ~vtkLinkedListIterator() {}

  vtkLinkedListNode<DType> *Pointer;

private:
  vtkLinkedListIterator(const vtkLinkedListIterator&); // Not implemented
  void operator=(const vtkLinkedListIterator&); // Not implemented
};

#ifdef VTK_NO_EXPLICIT_TEMPLATE_INSTANTIATION
#include "vtkLinkedListIterator.txx"
#endif 

#endif

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