vtkFidesReader.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkFidesReader.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 vtkFidesReader_h
#define vtkFidesReader_h
 
#include "vtkAlgorithm.h"
#include "vtkIOFidesModule.h" // For export macro
#include <memory>             // for std::unique_ptr
#include <string>             // for std::string
 
class vtkDataArraySelection;
class vtkInformationIntegerKey;
 
class VTKIOFIDES_EXPORT vtkFidesReader : public vtkAlgorithm
{
public:
  enum StepStatus
  {
    OK,
    NotReady,
    EndOfStream
  };
 
  vtkTypeMacro(vtkFidesReader, vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  static vtkFidesReader* New();
 
  int CanReadFile(VTK_FILEPATH const std::string& name);
 
  void SetFileName(VTK_FILEPATH const std::string& fname);
 
 
  void ParseDataModel(VTK_FILEPATH const std::string& fname);
  void ParseDataModel();
 
  void SetDataSourcePath(const std::string& name, VTK_FILEPATH const std::string& path);
 
  int ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  void PrepareNextStep();
 
  int GetNextStepStatus();
 
 
  vtkBooleanMacro(ConvertToVTK, bool);
  vtkSetMacro(ConvertToVTK, bool);
  vtkGetMacro(ConvertToVTK, bool);
 
  vtkGetObjectMacro(PointDataArraySelection, vtkDataArraySelection);
 
  vtkGetObjectMacro(CellDataArraySelection, vtkDataArraySelection);
 
protected:
  vtkFidesReader();
  ~vtkFidesReader() override;
 
  struct vtkFidesReaderImpl;
  std::unique_ptr<vtkFidesReaderImpl> Impl;
 
  std::string FileName;
  bool ConvertToVTK;
  bool StreamSteps;
  StepStatus NextStepStatus;
 
  virtual int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);
  virtual int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);
  virtual int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector);
 
  int FillOutputPortInformation(int port, vtkInformation* info) override;
 
  vtkDataArraySelection* PointDataArraySelection;
  vtkDataArraySelection* CellDataArraySelection;
 
  static vtkInformationIntegerKey* NUMBER_OF_BLOCKS();
 
  int ADIOSAttributeCheck(const std::string& name);
 
private:
  vtkFidesReader(const vtkFidesReader&) = delete;
  void operator=(const vtkFidesReader&) = delete;
};
 
#endif