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

  Program:   Visualization Toolkit
  Module:    vtkXdmfWriter.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 _vtkXdmfWriter_h
#define _vtkXdmfWriter_h

#include "vtkIOXdmf2Module.h" // For export macro

#include "vtkDataObjectAlgorithm.h"

class vtkExecutive;

class vtkCompositeDataSet;
class vtkDataArray;
class vtkDataSet;
class vtkDataObject;
class vtkFieldData;
class vtkInformation;
class vtkInformationVector;
class vtkXdmfWriterDomainMemoryHandler;

namespace xdmf2
{
class XdmfArray;
class XdmfDOM;
class XdmfGrid;
}

class VTKIOXDMF2_EXPORT vtkXdmfWriter : public vtkDataObjectAlgorithm
{
public:
  static vtkXdmfWriter *New();
  vtkTypeMacro(vtkXdmfWriter,vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  virtual void SetInputData(vtkDataObject* dobj);


  vtkSetStringMacro(FileName);
  vtkGetStringMacro(FileName);


  vtkSetStringMacro(HeavyDataFileName);
  vtkGetStringMacro(HeavyDataFileName);


  vtkSetStringMacro(HeavyDataGroupName);
  vtkGetStringMacro(HeavyDataGroupName);

  virtual int Write();


  vtkSetMacro(LightDataLimit, int);
  vtkGetMacro(LightDataLimit, int);


  vtkSetMacro(WriteAllTimeSteps, int);
  vtkGetMacro(WriteAllTimeSteps, int);
  vtkBooleanMacro(WriteAllTimeSteps, int);


  vtkSetMacro(Piece, int);
  vtkSetMacro(NumberOfPieces, int);

  //TODO: control choice of heavy data format (xml, hdf5, sql, raw)

  //TODO: These controls are available in vtkXdmfWriter, but are not used here.
  //GridsOnly
  //Append to Domain

protected:
  vtkXdmfWriter();
  ~vtkXdmfWriter();

  //Choose composite executive by default for time.
  virtual vtkExecutive* CreateDefaultExecutive();

  //Can take any one data object
  virtual int FillInputPortInformation(int port, vtkInformation *info);

  //Overridden to ...
  virtual int RequestInformation(vtkInformation*,
                                 vtkInformationVector**,
                                 vtkInformationVector*);
  //Overridden to ...
  virtual int RequestUpdateExtent(vtkInformation*,
                                  vtkInformationVector**,
                                  vtkInformationVector*);
  //Overridden to ...
  virtual int RequestData(vtkInformation*,
                          vtkInformationVector**,
                          vtkInformationVector*);

  //These do the work: recursively parse down input's structure all the way to arrays,
  //use XDMF lib to dump everything to file.

  virtual int CreateTopology(vtkDataSet *ds, xdmf2::XdmfGrid *grid, vtkIdType PDims[3], vtkIdType CDims[3], vtkIdType &PRank, vtkIdType &CRank, void *staticdata);
  virtual int CreateGeometry(vtkDataSet *ds, xdmf2::XdmfGrid *grid, void *staticdata);

  virtual int WriteDataSet(vtkDataObject *dobj, xdmf2::XdmfGrid *grid);
  virtual int WriteCompositeDataSet(vtkCompositeDataSet *dobj, xdmf2::XdmfGrid *grid);
  virtual int WriteAtomicDataSet(vtkDataObject *dobj, xdmf2::XdmfGrid *grid);
  virtual int WriteArrays(vtkFieldData* dsa, xdmf2::XdmfGrid *grid, int association,
                           vtkIdType rank, vtkIdType *dims, const char *name);
  virtual void ConvertVToXArray(vtkDataArray *vda, xdmf2::XdmfArray *xda,
                                vtkIdType rank, vtkIdType *dims,
                                int AllocStrategy, const char *heavyprefix);

  char *FileName;
  char *HeavyDataFileName;
  char *HeavyDataGroupName;

  int LightDataLimit;

  int WriteAllTimeSteps;
  int NumberOfTimeSteps;
  int CurrentTimeIndex;

  int Piece;
  int NumberOfPieces;

  xdmf2::XdmfDOM *DOM;
  xdmf2::XdmfGrid *TopTemporalGrid;

  vtkXdmfWriterDomainMemoryHandler *DomainMemoryHandler;

private:
  vtkXdmfWriter(const vtkXdmfWriter&); // Not implemented
  void operator=(const vtkXdmfWriter&); // Not implemented
};

#endif /* _vtkXdmfWriter_h */