vtkXMLPHyperTreeGridReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkXMLPHyperTreeGridReader_h
#define vtkXMLPHyperTreeGridReader_h
 
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPDataObjectReader.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkHyperTreeGrid;
class vtkHyperTreeGridNonOrientedCursor;
class vtkXMLHyperTreeGridReader;
 
class VTKIOXML_EXPORT vtkXMLPHyperTreeGridReader : public vtkXMLPDataObjectReader
{
public:
  vtkTypeMacro(vtkXMLPHyperTreeGridReader, vtkXMLPDataObjectReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkXMLPHyperTreeGridReader* New();
 
 
  vtkHyperTreeGrid* GetOutput();
  vtkHyperTreeGrid* GetOutput(int idx);
 
  void CopyOutputInformation(vtkInformation* outInfo, int port) override;
 
protected:
  vtkXMLPHyperTreeGridReader();
  ~vtkXMLPHyperTreeGridReader() override;
 
  const char* GetDataSetName() override;
 
  vtkIdType GetNumberOfPoints();
  vtkIdType GetNumberOfPointsInPiece(int piece);
 
  vtkHyperTreeGrid* GetOutputAsHyperTreeGrid();
  vtkHyperTreeGrid* GetPieceInputAsHyperTreeGrid(int piece);
 
  void GetOutputUpdateExtent(int& piece, int& numberOfPieces);
 
  void SetupEmptyOutput() override;
 
  void SetupOutputData() override;
 
  void SetupOutputInformation(vtkInformation* outInfo) override;
 
  void SetupOutputTotals();
 
  void SetupNextPiece();
 
  void SetupPieces(int numPieces) override;
 
  void SetupUpdateExtent(int piece, int numberOfPieces);
 
  void ReadXMLData() override;
 
  int CanReadPiece(int index) override;
 
  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
 
  void DestroyPieces() override;
 
  using vtkXMLPDataObjectReader::ReadPiece;
 
  int ReadPiece(vtkXMLDataElement* ePiece) override;
 
  int ReadPieceData(int index);
  int ReadPieceData();
  void RecursivelyProcessTree(
    vtkHyperTreeGridNonOrientedCursor* inCursor, vtkHyperTreeGridNonOrientedCursor* outCursor);
 
  vtkXMLHyperTreeGridReader* CreatePieceReader();
 
  int FillOutputPortInformation(int, vtkInformation*) override;
 
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  void PieceProgressCallback() override;
 
  int UpdatePiece;
  int UpdateNumberOfPieces;
 
  int StartPiece;
  int EndPiece;
 
  vtkIdType TotalNumberOfPoints;
  vtkIdType PieceStartIndex;
 
  vtkXMLHyperTreeGridReader** PieceReaders;
 
private:
  vtkXMLPHyperTreeGridReader(const vtkXMLPHyperTreeGridReader&) = delete;
  void operator=(const vtkXMLPHyperTreeGridReader&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif