vtkXMLGenericDataObjectReader.h

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

  Program:   Visualization Toolkit
  Module:    vtkXMLGenericDataObjectReader.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 vtkXMLGenericDataObjectReader_h
#define vtkXMLGenericDataObjectReader_h

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

class vtkHierarchicalBoxDataSet;
class vtkMultiBlockDataSet;
class vtkImageData;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkUnstructuredGrid;

class VTKIOXML_EXPORT vtkXMLGenericDataObjectReader : public vtkXMLDataReader
{
public:
  vtkTypeMacro(vtkXMLGenericDataObjectReader,vtkXMLDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkXMLGenericDataObjectReader *New();


  vtkDataObject *GetOutput();
  vtkDataObject *GetOutput(int idx);


  vtkHierarchicalBoxDataSet *GetHierarchicalBoxDataSetOutput();
  vtkImageData *GetImageDataOutput();
  vtkMultiBlockDataSet *GetMultiBlockDataSetOutput();
  vtkPolyData *GetPolyDataOutput();
  vtkRectilinearGrid *GetRectilinearGridOutput();
  vtkStructuredGrid *GetStructuredGridOutput();
  vtkUnstructuredGrid *GetUnstructuredGridOutput();

  vtkIdType GetNumberOfPoints() override;

  vtkIdType GetNumberOfCells() override;

  void SetupEmptyOutput() override;

  virtual int ReadOutputType(const char *name, bool &parallel);

protected:
  vtkXMLGenericDataObjectReader();
  ~vtkXMLGenericDataObjectReader() override;

  const char* GetDataSetName() override;


  int RequestDataObject(vtkInformation *, vtkInformationVector **,
                                vtkInformationVector *) override;
  int RequestInformation(vtkInformation *, vtkInformationVector **,
                                 vtkInformationVector *) override;
  virtual int RequestUpdateExtent(vtkInformation *request,
                                  vtkInformationVector **inputVector,
                                  vtkInformationVector *outputVector);

  int RequestData(vtkInformation *, vtkInformationVector **,
                          vtkInformationVector *) override;
  int FillOutputPortInformation(int, vtkInformation *) override;

  vtkXMLReader *Reader; // actual reader

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

#endif