vtkXMLPDataObjectReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkXMLPDataObjectReader.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 vtkXMLPDataObjectReader_h
#define vtkXMLPDataObjectReader_h

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

class VTKIOXML_EXPORT vtkXMLPDataObjectReader : public vtkXMLReader
{
public:
  vtkTypeMacro(vtkXMLPDataObjectReader, vtkXMLReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkGetMacro(NumberOfPieces, int);

protected:
  vtkXMLPDataObjectReader();
  ~vtkXMLPDataObjectReader() override;

  virtual void DestroyPieces();

  void SetupOutputData() override;

  virtual void SetupPieces(int numPieces);

  int ReadXMLInformation() override;

  virtual int CanReadPiece(int index) = 0;

  int ReadPiece(vtkXMLDataElement* ePiece, int index);

  virtual int ReadPiece(vtkXMLDataElement* ePiece) = 0;


  char* CreatePieceFileName(const char* fileName);
  void SplitFileName();


  static void PieceProgressCallbackFunction(vtkObject*, unsigned long, void*, void*);
  virtual void PieceProgressCallback() = 0;

  int NumberOfPieces;

  int Piece;

  char* PathName;


  vtkXMLDataElement** PieceElements;
  int* CanReadPieceFlag;

  vtkCallbackCommand* PieceProgressObserver;

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

#endif