vtkIterator.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * $Id: vtkIterator.h,v 1.1.1.1 2005/06/17 17:48:36 xpxqx Exp $
 *
 * Copyright (c) 2005 Sean McInerney
 * All rights reserved.
 *
 * See Copyright.txt or http://vtkcontainers.sourceforge.net/Copyright.html
 * 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 VTK_ITERATOR_H_
#  define VTK_ITERATOR_H_
#  include "vtkContainersConfigure.h" // vtk configuration
#  include "vtkObject.h"

class vtkGarbageCollector;

class vtkContainer;

class VTK_CONTAINERS_EXPORT vtkIterator : public vtkObject
{
public:
  vtkTypeRevisionMacro (vtkIterator, vtkObject);
  void PrintSelf (ostream&, vtkIndent);

  virtual vtkContainer*      GetContainer (void) const;

  virtual vtkIdType             GetPosition (void) const;

  virtual const char*           GetKey (void) const;

  virtual vtkObjectBase*        GetItem (void) const;

  virtual int                   SetItem (vtkObjectBase* object) = 0;
  virtual int                   InitTraversal (void) = 0;

  virtual int                   Increment (void) = 0;

  virtual int                   Decrement (void) = 0;
  void  Register (vtkObjectBase*);

  void  UnRegister (vtkObjectBase*);

protected:
  vtkIterator (void);
  ~vtkIterator();

  //BTX
  friend class vtkContainer;

  vtkContainer* Container;

  virtual void  SetContainer (vtkContainer*);

  void  ReportReferences (vtkGarbageCollector*);
  //ETX

private:
  vtkIterator (const vtkIterator&);
  void operator= (const vtkIterator&);
};

#endif /* VTK_ITERATOR_H_ */
/* 
 * End of: $Id: vtkIterator.h,v 1.1.1.1 2005/06/17 17:48:36 xpxqx Exp $
 * 
 */

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