vtkXMLPDataReader.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkXMLPDataReader.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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 vtkXMLPDataReader_h
#define vtkXMLPDataReader_h

#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPDataObjectReader.h"

class vtkDataArray;
class vtkDataSet;
class vtkXMLDataReader;

class VTKIOXML_EXPORT 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;

  // Re-use 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(vtkDataArray* inArray, vtkDataArray* outArray) = 0;
  virtual void CopyArrayForCells(vtkDataArray* inArray, vtkDataArray* outArray) = 0;

  void PieceProgressCallback() override;

  int GhostLevel;

  vtkXMLDataReader** PieceReaders;

  vtkXMLDataElement* PPointDataElement;
  vtkXMLDataElement* PCellDataElement;

private:
  vtkXMLPDataReader(const vtkXMLPDataReader&) = delete;
  void operator=(const vtkXMLPDataReader&) = delete;
};

#endif