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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/**
* @class vtkPDataSetReader
* @brief Manages reading pieces of a data set.
*
* vtkPDataSetReader will read a piece of a file, it takes as input
* a metadata file that lists all of the files in a data set.
*/
#ifndef vtkPDataSetReader_h
#define vtkPDataSetReader_h
#include "vtkDataSetAlgorithm.h"
#include "vtkIOParallelModule.h" // For export macro
VTK_ABI_NAMESPACE_BEGIN
class vtkDataSet;
class VTKIOPARALLEL_EXPORT vtkPDataSetReader : public vtkDataSetAlgorithm
{
public:
void PrintSelf(ostream& os, vtkIndent indent) override;
vtkTypeMacro(vtkPDataSetReader, vtkDataSetAlgorithm);
static vtkPDataSetReader* New();
///@{
/**
* This file to open and read.
*/
vtkSetFilePathMacro(FileName);
vtkGetFilePathMacro(FileName);
///@}
///@{
/**
* This is set when UpdateInformation is called.
* It shows the type of the output.
*/
vtkGetMacro(DataType, int);
///@}
/**
* Called to determine if the file can be read by the reader.
*/
int CanReadFile(VTK_FILEPATH const char* filename);
protected:
vtkPDataSetReader();
~vtkPDataSetReader() override;
int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector) override;
void ReadPVTKFileInformation(istream* file, vtkInformation* request,
vtkInformationVector** inputVector, vtkInformationVector* outputVector);
void ReadVTKFileInformation(vtkInformation* request, vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
int PolyDataExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
int UnstructuredGridExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
int ImageDataExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
int StructuredGridExecute(vtkInformation*, vtkInformationVector**, vtkInformationVector*);
void CoverExtent(int ext[6], int* pieceMask);
vtkDataSet* CheckOutput();
void SetNumberOfPieces(int num);
istream* OpenFile(const char*);
int ReadXML(istream* file, char** block, char** param, char** value);
int VTKFileFlag;
int StructuredFlag;
char* FileName;
int DataType;
int NumberOfPieces;
char** PieceFileNames;
int** PieceExtents;
private:
vtkPDataSetReader(const vtkPDataSetReader&) = delete;
void operator=(const vtkPDataSetReader&) = delete;
};
VTK_ABI_NAMESPACE_END
#endif
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