vtkXdmf3LightDataHandler.h

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

  Program:   Visualization Toolkit
  Module:    vtkXdmf3LightDataHandler.h
  Language:  C++

  Copyright (c) 1993-2002 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 vtkXdmf3LightDataHandler_h
#define vtkXdmf3LightDataHandler_h

#include "vtkIOXdmf3Module.h" // For export macro
#include <set>
#include "XdmfItem.hpp"
#include "vtkType.h"

class vtkXdmf3SILBuilder;
class vtkXdmf3ArraySelection;
class XdmfItem;
class XdmfGraph;
class XdmfGrid;

class VTKIOXDMF3_EXPORT vtkXdmf3LightDataHandler
{
public:

  static shared_ptr<vtkXdmf3LightDataHandler> New(
      vtkXdmf3SILBuilder *sb,
      vtkXdmf3ArraySelection* f,
      vtkXdmf3ArraySelection* ce,
      vtkXdmf3ArraySelection* pn,
      vtkXdmf3ArraySelection* gc,
      vtkXdmf3ArraySelection* sc,
      unsigned int processor,
      unsigned int nprocessors);

  ~vtkXdmf3LightDataHandler();


  void InspectXDMF(shared_ptr<XdmfItem> item, vtkIdType parentVertex,
                   unsigned int depth=0);

  void ClearGridsIfNeeded(shared_ptr<XdmfItem> domain);

  std::set<double> getTimes();

private:
  vtkXdmf3LightDataHandler();

  void InspectArrays(shared_ptr<XdmfItem> item);

  bool TooDeep(unsigned int depth);

  std::string UniqueName(std::string name, bool ForGrid);


  void AddNamedBlock(vtkIdType parentVertex,
                     std::string originalName, std::string uniqueName);

  void AddNamedSet(std::string uniqueName);


  void InspectTime(shared_ptr<XdmfItem> item);
  void GetSetTime(shared_ptr<XdmfGrid> child, unsigned int &cnt);
  void GetSetTime(shared_ptr<XdmfGraph> child, unsigned int &cnt);

  bool ShouldRead(unsigned int piece, unsigned int npieces);

  vtkXdmf3SILBuilder *SILBuilder;
  vtkXdmf3ArraySelection *FieldArrays;
  vtkXdmf3ArraySelection *CellArrays; //ie EdgeArrays for Graphs
  vtkXdmf3ArraySelection *PointArrays; //ie NodeArrays for Graphs
  vtkXdmf3ArraySelection *GridsCache;
  vtkXdmf3ArraySelection *SetsCache;
  unsigned int MaxDepth;
  unsigned int Rank;
  unsigned int NumProcs;
  std::set<double> times; //relying on implicit sort from set<double>
};

#endif //vtkXdmf3LightDataHandler_h