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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkXMLGenericDataObjectReader
* @brief Read any type of vtk data object
*
* vtkXMLGenericDataObjectReader reads any type of vtk data object encoded
* in XML format.
*
* @sa
* vtkGenericDataObjectReader
*/
#ifndef vtkXMLGenericDataObjectReader_h
#define vtkXMLGenericDataObjectReader_h
#include "vtkIOXMLModule.h" // For export macro
#include "vtkSmartPointer.h" // for API
#include "vtkXMLDataReader.h"
VTK_ABI_NAMESPACE_BEGIN
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();
///@{
/**
* Get the reader's output.
*/
vtkDataObject* GetOutput();
vtkDataObject* GetOutput(int idx);
///@}
///@{
/**
* Get the output as various concrete types. This method is typically used
* when you know exactly what type of data is being read. Otherwise, use
* the general GetOutput() method. If the wrong type is used nullptr is
* returned. (You must also set the filename of the object prior to
* getting the output.)
*/
vtkHierarchicalBoxDataSet* GetHierarchicalBoxDataSetOutput();
vtkImageData* GetImageDataOutput();
vtkMultiBlockDataSet* GetMultiBlockDataSetOutput();
vtkPolyData* GetPolyDataOutput();
vtkRectilinearGrid* GetRectilinearGridOutput();
vtkStructuredGrid* GetStructuredGridOutput();
vtkUnstructuredGrid* GetUnstructuredGridOutput();
///@}
/**
* Overridden method.
*/
vtkIdType GetNumberOfPoints() override;
/**
* Overridden method.
*/
vtkIdType GetNumberOfCells() override;
/**
* Overridden method. Not Used. Delegated.
*/
void SetupEmptyOutput() override;
/**
* This method can be used to find out the type of output expected without
* needing to read the whole file.
*/
virtual int ReadOutputType(const char* name, bool& parallel);
/**
* Helper to create a reader based on the data object type.
* Returns null if the reader cannot be determined.
*/
static vtkSmartPointer<vtkXMLReader> CreateReader(int data_object_type, bool parallel);
protected:
vtkXMLGenericDataObjectReader();
~vtkXMLGenericDataObjectReader() override;
/**
* Overridden method. Not used. Return "vtkDataObject".
*/
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;
};
VTK_ABI_NAMESPACE_END
#endif
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