vtkXMLMultiBlockDataReader.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 vtkXMLMultiBlockDataReader_h
#define vtkXMLMultiBlockDataReader_h
 
#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLCompositeDataReader.h"
 
VTK_ABI_NAMESPACE_BEGIN
class vtkMultiBlockDataSet;
 
class VTKIOXML_EXPORT vtkXMLMultiBlockDataReader : public vtkXMLCompositeDataReader
{
public:
  static vtkXMLMultiBlockDataReader* New();
  vtkTypeMacro(vtkXMLMultiBlockDataReader, vtkXMLCompositeDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
protected:
  vtkXMLMultiBlockDataReader();
  ~vtkXMLMultiBlockDataReader() 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;
 
  // Reads file version < 1.0.
  virtual void ReadVersion0(vtkXMLDataElement* element, vtkCompositeDataSet* composite,
    const char* filePath, unsigned int& dataSetIndex);
 
  // Get the name of the data set being read.
  const char* GetDataSetName() override;
 
  int FillOutputPortInformation(int, vtkInformation* info) override;
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  virtual int FillMetaData(vtkCompositeDataSet* metadata, vtkXMLDataElement* element,
    const std::string& filePath, unsigned int& dataSetIndex);
 
private:
  vtkXMLMultiBlockDataReader(const vtkXMLMultiBlockDataReader&) = delete;
  void operator=(const vtkXMLMultiBlockDataReader&) = delete;
 
  bool DistributePiecesInMultiPieces;
};
 
VTK_ABI_NAMESPACE_END
#endif