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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkBridgeCellIteratorOnCellList
* @brief Iterate over a list of cells defined
* on a dataset.
* See InitWithCells().
* @sa
* vtkBridgeCellIterator, vtkBridgeDataSet, vtkBridgeCellIteratorStrategy
*/
#ifndef vtkBridgeCellIteratorOnCellList_h
#define vtkBridgeCellIteratorOnCellList_h
#include "vtkBridgeCellIteratorStrategy.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkBridgeCell;
class vtkIdList;
class vtkBridgeDataSet;
class VTKTESTINGGENERICBRIDGE_EXPORT vtkBridgeCellIteratorOnCellList
: public vtkBridgeCellIteratorStrategy
{
public:
static vtkBridgeCellIteratorOnCellList* New();
vtkTypeMacro(vtkBridgeCellIteratorOnCellList, vtkBridgeCellIteratorStrategy);
void PrintSelf(ostream& os, vtkIndent indent) override;
/**
* Move iterator to first position if any (loop initialization).
*/
void Begin() override;
/**
* Is there no cell at iterator position? (exit condition).
*/
vtkTypeBool IsAtEnd() override;
/**
* Cell at current position
* \pre not_at_end: !IsAtEnd()
* \pre c_exists: c!=0
* THREAD SAFE
*/
void GetCell(vtkGenericAdaptorCell* c) override;
/**
* Cell at current position.
* NOT THREAD SAFE
* \pre not_at_end: !IsAtEnd()
* \post result_exits: result!=0
*/
vtkGenericAdaptorCell* GetCell() override;
/**
* Move iterator to next position. (loop progression).
* \pre not_at_end: !IsAtEnd()
*/
void Next() override;
/**
* Used internally by vtkBridgeCell.
* Iterate on neighbors defined by `cells' over the dataset `ds'.
* \pre cells_exist: cells!=0
* \pre ds_exists: ds!=0
*/
void InitWithCells(vtkIdList* cells, vtkBridgeDataSet* ds);
protected:
vtkBridgeCellIteratorOnCellList();
~vtkBridgeCellIteratorOnCellList() override;
vtkIdList* Cells; // cells traversed by the iterator.
vtkBridgeDataSet* DataSet;
vtkIdType Id; // the id at current position.
vtkBridgeCell* Cell; // cell at current position.
private:
vtkBridgeCellIteratorOnCellList(const vtkBridgeCellIteratorOnCellList&) = delete;
void operator=(const vtkBridgeCellIteratorOnCellList&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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