vtkTreeIterator.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkTreeIterator_h
#define vtkTreeIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkTree;
 
class VTKCOMMONDATAMODEL_EXPORT vtkTreeIterator : public vtkObject
{
public:
  vtkTypeMacro(vtkTreeIterator, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  void SetTree(vtkTree* tree);
  vtkGetObjectMacro(Tree, vtkTree);
 
 
  void SetStartVertex(vtkIdType vertex);
  vtkGetMacro(StartVertex, vtkIdType);
 
  vtkIdType Next();
 
  bool HasNext();
 
  void Restart();
 
protected:
  vtkTreeIterator();
  ~vtkTreeIterator() override;
 
  virtual void Initialize() = 0;
  virtual vtkIdType NextInternal() = 0;
 
  vtkTree* Tree;
  vtkIdType StartVertex;
  vtkIdType NextId;
 
private:
  vtkTreeIterator(const vtkTreeIterator&) = delete;
  void operator=(const vtkTreeIterator&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif