vtkXMLUniformGridAMRReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright (c) Kitware, Inc.
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkXMLUniformGridAMRReader_h
#define vtkXMLUniformGridAMRReader_h
 
#include "vtkIOXMLModule.h"  // For export macro
#include "vtkSmartPointer.h" // needed for vtkSmartPointer.
#include "vtkXMLCompositeDataReader.h"
 
VTK_ABI_NAMESPACE_BEGIN
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 = 0;
 
private:
  vtkXMLUniformGridAMRReader(const vtkXMLUniformGridAMRReader&) = delete;
  void operator=(const vtkXMLUniformGridAMRReader&) = delete;
 
  void SynchronizeDataArraySelectionRecursively(
    vtkXMLDataElement* element, const std::string& filePath);
 
  char* OutputDataType = nullptr;
  vtkSetStringMacro(OutputDataType);
};
 
VTK_ABI_NAMESPACE_END
#endif