vtkXMLTableReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkXMLTableReader_h
#define vtkXMLTableReader_h
 
#include "vtkIOXMLModule.h"   // For export macro
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
#include "vtkXMLReader.h"
 
#include <map> // needed for std::map
 
VTK_ABI_NAMESPACE_BEGIN
class vtkCellArray;
class vtkIdTypeArray;
class vtkUnsignedCharArray;
class vtkTable;
 
class VTKIOXML_EXPORT VTK_MARSHALAUTO vtkXMLTableReader : public vtkXMLReader
{
public:
  vtkTypeMacro(vtkXMLTableReader, vtkXMLReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkXMLTableReader* New();


  vtkTable* GetOutput();
  vtkTable* GetOutput(int idx);

  vtkIdType GetNumberOfRows();

  vtkIdType GetNumberOfPieces();

  void SetupUpdateExtent(int piece, int numberOfPieces);

  void CopyOutputInformation(vtkInformation* outInfo, int port) override;
 
protected:
  vtkXMLTableReader();
  ~vtkXMLTableReader() override;

  int ColumnIsEnabled(vtkXMLDataElement* eRowData);
 
  void DestroyPieces();

  const char* GetDataSetName() override;

  void GetOutputUpdateExtent(int& piece, int& numberOfPieces);

  int RowDataNeedToReadTimeStep(vtkXMLDataElement* eNested);

  void SetupEmptyOutput() override;

  void SetupOutputTotals();

  void SetupNextPiece();

  void SetupOutputData() override;

  void SetupOutputInformation(vtkInformation* outInfo) override;

  void SetupPieces(int numPieces);

  void ReadXMLData() override;

  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;

  int ReadPiece(vtkXMLDataElement* ePiece, int piece);

  int ReadPiece(vtkXMLDataElement* ePiece);

  int ReadPieceData(int);
 
  int FillOutputPortInformation(int, vtkInformation*) override;

  int UpdatedPiece;
  int UpdateNumberOfPieces;
  int StartPiece;
  int EndPiece;
  vtkIdType TotalNumberOfRows;
  vtkIdType StartPoint;

  vtkXMLDataElement** RowElements;
  vtkIdType* NumberOfRows;

  int NumberOfPieces;

  int Piece;

  vtkXMLDataElement** RowDataElements;

  int NumberOfColumns;
 
private:
  std::map<std::string, int> RowDataTimeStep;
  std::map<std::string, vtkTypeInt64> RowDataOffset;
 
  vtkXMLTableReader(const vtkXMLTableReader&) = delete;
  void operator=(const vtkXMLTableReader&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif