vtkXMLPTableReader.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkXMLPTableReader.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkXMLPTableReader_h
#define vtkXMLPTableReader_h

#include "vtkIOXMLModule.h" // For export macro
#include "vtkXMLPDataObjectReader.h"

class vtkTable;
class vtkXMLTableReader;

class VTKIOXML_EXPORT vtkXMLPTableReader : public vtkXMLPDataObjectReader
{
public:
  vtkTypeMacro(vtkXMLPTableReader, vtkXMLPDataObjectReader);
  void PrintSelf(ostream& os, vtkIndent indent) override;
  static vtkXMLPTableReader* New();


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

  void CopyOutputInformation(vtkInformation* outInfo, int port) override;

  int GetNumberOfColumnArrays();

  const char* GetColumnArrayName(int index);


  int GetColumnArrayStatus(const char* name);
  void SetColumnArrayStatus(const char* name, int status);

  vtkGetObjectMacro(ColumnSelection, vtkDataArraySelection);

protected:
  vtkXMLPTableReader();
  ~vtkXMLPTableReader() override;

  const char* GetDataSetName() override;

  vtkIdType GetNumberOfRows();

  virtual vtkIdType GetNumberOfRowsInPiece(int piece);

  vtkTable* GetOutputAsTable();

  vtkTable* GetPieceInputAsTable(int piece);

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

  void SetupEmptyOutput() override;

  void SetupOutputData() override;

  void SetupOutputInformation(vtkInformation* outInfo) override;

  void SetupOutputTotals();

  void SetupNextPiece();

  void SetupPieces(int numPieces) override;

  void SetupUpdateExtent(int piece, int numberOfPieces);

  void ReadXMLData() override;

  int CanReadPiece(int index) override;

  int ReadPrimaryElement(vtkXMLDataElement* ePrimary) override;

  void DestroyPieces() override;

  using vtkXMLPDataObjectReader::ReadPiece;

  int ReadPiece(vtkXMLDataElement* ePiece) override;

  int ReadPieceData(int index);

  int ReadPieceData();

  vtkXMLTableReader* CreatePieceReader();

  int FillOutputPortInformation(int, vtkInformation*) override;

  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  void PieceProgressCallback() override;

  int ColumnIsEnabled(vtkXMLDataElement* elementRowData);

  int GetNumberOfRowArrays();
  const char* GetRowArrayName(int index);

  int UpdatePiece;
  int UpdateNumberOfPieces;

  int StartPiece;
  int EndPiece;
  vtkIdType TotalNumberOfRows;
  vtkIdType StartRow;

  vtkXMLTableReader** PieceReaders;

  vtkXMLDataElement* PRowElement;

  vtkDataArraySelection* ColumnSelection;

private:
  vtkXMLPTableReader(const vtkXMLPTableReader&) = delete;
  void operator=(const vtkXMLPTableReader&) = delete;
};

#endif