vtkXMLPDataObjectReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkXMLPDataObjectReader_h
#define vtkXMLPDataObjectReader_h
 
#include "vtkIOXMLModule.h"   // For export macro
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
#include "vtkXMLReader.h"
 
VTK_ABI_NAMESPACE_BEGIN
class VTKIOXML_EXPORT VTK_MARSHALAUTO 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;
};
 
VTK_ABI_NAMESPACE_END
#endif