FEXPResultExport.h

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// © FEXP, FEXPEnterprise Solver, Ing. Vaclav Rek
// It manages result data storage.
// Compiler must support C++ ver.14 and later
#ifndef _CFEXRESULTEXPORT_H_
#define _CFEXRESULTEXPORT_H_
#include "FEXPCommon.h"
#include "FEXPCalculationResult.h"


class ICFEXPResultExport
{
public:
           ICFEXPResultExport() { }
  virtual ~ICFEXPResultExport() { }

  virtual void Initialize()                                            = 0;
  virtual void Write     (Ptr<CFEXPCalculationModelNodeResult> result) = 0;
  virtual void Finalize  ()                                            = 0;
protected:
  // [no protected members] -----------------------------
private:
  // [no private members  ] -----------------------------
};


class CFEXPResultExportToVTU
  : public ICFEXPResultExport
{
public:
  CFEXPResultExportToVTU(std::string dir_path, std::string fname);
  virtual ~CFEXPResultExportToVTU() { }

  // override pure virtual methods
  virtual void Initialize()                                            override { }
  virtual void Write     (Ptr<CFEXPCalculationModelNodeResult> result) override;
  virtual void Finalize  ()                                            override;

  static std::string FILE_EXTENSION1;
  static std::string FILE_EXTENSION2;
protected:
  // [no protected members] -----------------------------
private:
  std::string   _directory_path;
  std::string   _filename;
  std::ofstream _vtu_file_ostream;
  std::ofstream _pvd_file_ostream;

  size_t                        _file_counter;
  std::map<size_t, std::string> _file_path_map;
  // FE node mapping 
  std::map<size_t, size_t>      _node_map;
  std::tuple<size_t, size_t> map_fe_nodes_and_get_item_count(Ptr<CFEXPCalculationModelNodeResult> result);
};

#endif // !_CFEXRESULTEXPORT_H_