vtkXMLUniformGridAMRReader.h

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

  Program:   ParaView
  Module:    vtkXMLUniformGridAMRReader.h

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 vtkXMLUniformGridAMRReader_h
#define vtkXMLUniformGridAMRReader_h

#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLCompositeDataReader.h"
#include "vtkSmartPointer.h" // needed for vtkSmartPointer.

class vtkOverlappingAMR;
class vtkUniformGridAMR;

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


  vtkSetMacro(MaximumLevelsToReadByDefault, unsigned int);
  vtkGetMacro(MaximumLevelsToReadByDefault, unsigned int);

protected:
  vtkXMLUniformGridAMRReader();
  ~vtkXMLUniformGridAMRReader() override;

  int CanReadFileWithDataType(const char* dsname) override;

  int ReadVTKFile(vtkXMLDataElement* eVTKFile) override;

  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;

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

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

  // Get the name of the data set being read.
  const char* GetDataSetName() override;

  // Read the XML element for the subtree of a the composite dataset.
  // dataSetIndex is used to rank the leaf nodes in an inorder traversal.
  void ReadComposite(vtkXMLDataElement* element,
    vtkCompositeDataSet* composite, const char* filePath,
    unsigned int &dataSetIndex) override;

  // Read the vtkDataSet (a leaf) in the composite dataset.
  vtkDataSet* ReadDataset(vtkXMLDataElement* xmlElem, const char* filePath) override;

  vtkSmartPointer<vtkOverlappingAMR> Metadata;
  unsigned int MaximumLevelsToReadByDefault;

private:
  vtkXMLUniformGridAMRReader(const vtkXMLUniformGridAMRReader&) = delete;
  void operator=(const vtkXMLUniformGridAMRReader&) = delete;

  char* OutputDataType;
  vtkSetStringMacro(OutputDataType);
};

#endif