vtkGenericDataObjectReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkGenericDataObjectReader_h
#define vtkGenericDataObjectReader_h

#include "vtkDataReader.h"
#include "vtkIOLegacyModule.h" // For export macro

VTK_ABI_NAMESPACE_BEGIN
class vtkCellGrid;
class vtkDataObject;
class vtkGraph;
class vtkMolecule;
class vtkPolyData;
class vtkRectilinearGrid;
class vtkStatisticalModel;
class vtkStructuredGrid;
class vtkStructuredPoints;
class vtkTable;
class vtkTree;
class vtkUnstructuredGrid;

class VTKIOLEGACY_EXPORT vtkGenericDataObjectReader : public vtkDataReader
{
public:
  static vtkGenericDataObjectReader* New();
  vtkTypeMacro(vtkGenericDataObjectReader, vtkDataReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;


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


  vtkCellGrid* GetCellGridOutput();
  vtkGraph* GetGraphOutput();
  vtkMolecule* GetMoleculeOutput();
  vtkPolyData* GetPolyDataOutput();
  vtkRectilinearGrid* GetRectilinearGridOutput();
  vtkStructuredGrid* GetStructuredGridOutput();
  vtkStructuredPoints* GetStructuredPointsOutput();
  vtkTable* GetTableOutput();
  vtkTree* GetTreeOutput();
  vtkStatisticalModel* GetStatisticalModelOutput();
  vtkUnstructuredGrid* GetUnstructuredGridOutput();

  virtual int ReadOutputType();

  int ReadMetaDataSimple(VTK_FILEPATH const std::string& fname, vtkInformation* metadata) override;

  int ReadMeshSimple(VTK_FILEPATH const std::string& fname, vtkDataObject* output) override;

protected:
  vtkGenericDataObjectReader();
  ~vtkGenericDataObjectReader() override;

  vtkDataObject* CreateOutput(vtkDataObject* currentOutput) override;

  int FillOutputPortInformation(int, vtkInformation*) override;

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

  template <typename ReaderT, typename DataT>
  void ReadData(const char* fname, const char* dataClass, vtkDataObject* output);

  vtkSetStringMacro(Header);
};

VTK_ABI_NAMESPACE_END
#endif