vtkFDSReader.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkFDSReader_h
#define vtkFDSReader_h

#include "vtkDataAssembly.h" // For vtkDataAssembly
#include "vtkIOFDSModule.h"  // For export macro
#include "vtkNew.h"          // For vtkNew
#include "vtkPartitionedDataSetCollectionAlgorithm.h"
#include "vtkSmartPointer.h" // For vtkSmartPointer

#include <memory> // For std::unique_ptr
#include <set>    // For std::set
#include <string> // For std::string
#include <vector> // For std::vector

VTK_ABI_NAMESPACE_BEGIN

class vtkResourceStream;
class VTKIOFDS_EXPORT vtkFDSReader : public vtkPartitionedDataSetCollectionAlgorithm
{
public:
  static vtkFDSReader* New();
  vtkTypeMacro(vtkFDSReader, vtkPartitionedDataSetCollectionAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetMacro(FileName, std::string);
  vtkGetMacro(FileName, std::string);


  virtual void SetStream(vtkResourceStream* stream);
  virtual vtkResourceStream* GetStream();

  vtkGetNewMacro(Assembly, vtkDataAssembly);

  vtkGetMacro(AssemblyTag, int);


  bool AddSelector(const char* selector);
  void ClearSelectors();


  vtkGetMacro(TimeTolerance, double);
  vtkSetMacro(TimeTolerance, double);

protected:
  vtkFDSReader();
  ~vtkFDSReader() override;

  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;

private:
  vtkFDSReader(const vtkFDSReader&) = delete;
  void operator=(const vtkFDSReader&) = delete;

  bool ParseVIEWTIMES();
  bool ParseGRID(const std::vector<int>& baseNodes);
  bool ParseCSVF(const std::vector<int>& baseNodes);
  bool ParseDEVICE(const std::vector<int>& baseNodes);

  bool ParseSLCFSLCC(const std::vector<int>& baseNodes, bool cellCentered);

  bool ParseBNDFBNDC(bool cellCentered);

  vtkSmartPointer<vtkResourceStream> Open();

  int AssemblyTag = 0;
  std::string FileName;
  std::set<std::string> Selectors;

  vtkNew<vtkDataAssembly> Assembly;

  int GetNodeId(int parentNode, const std::string& givenNodeName);

  double TimeTolerance = 1e-5;

  struct vtkInternals;
  std::shared_ptr<vtkInternals> Internals;
};

VTK_ABI_NAMESPACE_END

#endif