vtkXMLPDataReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkXMLPDataReader_h
#define vtkXMLPDataReader_h
 
#include "vtkIOXMLModule.h"   // For export macro
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
#include "vtkXMLPDataObjectReader.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkAbstractArray;
class vtkDataSet;
class vtkXMLDataReader;
 
class VTKIOXML_EXPORT VTK_MARSHALAUTO vtkXMLPDataReader : public vtkXMLPDataObjectReader
{
public:
  vtkTypeMacro(vtkXMLPDataReader, vtkXMLPDataObjectReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void CopyOutputInformation(vtkInformation* outInfo, int port) override;
 
protected:
  vtkXMLPDataReader();
  ~vtkXMLPDataReader() override;
 
  // Reuse any superclass signatures that we don't override.
  using vtkXMLPDataObjectReader::ReadPiece;

  void DestroyPieces() override;
 
  virtual vtkIdType GetNumberOfPoints() = 0;
 
  virtual vtkIdType GetNumberOfCells() = 0;

  vtkDataSet* GetPieceInputAsDataSet(int piece);

  void SetupOutputData() override;

  void SetupOutputInformation(vtkInformation* outInfo) override;

  void SetupPieces(int numPieces) override;

  int CanReadPiece(int index) override;

  virtual vtkXMLDataReader* CreatePieceReader() = 0;

  int ReadPiece(vtkXMLDataElement* ePiece) override;

  int ReadPieceData(int index);

  virtual int ReadPieceData();

  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;
 
  virtual void CopyArrayForPoints(vtkAbstractArray* inArray, vtkAbstractArray* outArray) = 0;
  virtual void CopyArrayForCells(vtkAbstractArray* inArray, vtkAbstractArray* outArray) = 0;

  void PieceProgressCallback() override;

  int GhostLevel;

  vtkXMLDataReader** PieceReaders;

  vtkXMLDataElement* PPointDataElement;
  vtkXMLDataElement* PCellDataElement;
 
private:
  vtkXMLPDataReader(const vtkXMLPDataReader&) = delete;
  void operator=(const vtkXMLPDataReader&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif