vtkPDataSetWriter.h

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

#include "vtkDataSetWriter.h"
#include "vtkIOParallelModule.h" // For export macro

#include <map>    // for keeping track of extents
#include <vector> // for keeping track of extents

VTK_ABI_NAMESPACE_BEGIN
class vtkImageData;
class vtkRectilinearGrid;
class vtkStructuredGrid;
class vtkMultiProcessController;

class VTKIOPARALLEL_EXPORT vtkPDataSetWriter : public vtkDataSetWriter
{
public:
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkPDataSetWriter, vtkDataSetWriter);
  static vtkPDataSetWriter* New();

  int Write() override;


  void SetNumberOfPieces(int num);
  vtkGetMacro(NumberOfPieces, int);


  vtkSetMacro(GhostLevel, int);
  vtkGetMacro(GhostLevel, int);


  vtkSetMacro(StartPiece, int);
  vtkGetMacro(StartPiece, int);
  vtkSetMacro(EndPiece, int);
  vtkGetMacro(EndPiece, int);


  virtual void SetFilePattern(VTK_FILEPATH const char*);
  vtkGetFilePathMacro(FilePattern);


  vtkSetMacro(UseRelativeFileNames, vtkTypeBool);
  vtkGetMacro(UseRelativeFileNames, vtkTypeBool);
  vtkBooleanMacro(UseRelativeFileNames, vtkTypeBool);


  virtual void SetController(vtkMultiProcessController*);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);

protected:
  vtkPDataSetWriter();
  ~vtkPDataSetWriter() override;

  ostream* OpenFile();
  int WriteUnstructuredMetaData(
    vtkDataSet* input, char* root, char* str, size_t strSize, ostream* fptr);
  int WriteImageMetaData(vtkImageData* input, char* root, char* str, size_t strSize, ostream* fptr);
  int WriteRectilinearGridMetaData(
    vtkRectilinearGrid* input, char* root, char* str, size_t strSize, ostream* fptr);
  int WriteStructuredGridMetaData(
    vtkStructuredGrid* input, char* root, char* str, size_t strSize, ostream* fptr);

  int StartPiece;
  int EndPiece;
  int NumberOfPieces;
  int GhostLevel;

  vtkTypeBool UseRelativeFileNames;

  char* FilePattern;
  std::string FilePatternStdFormat;

  void DeleteFiles();

  typedef std::map<int, std::vector<int>> ExtentsType;
  ExtentsType Extents;

  vtkMultiProcessController* Controller;

private:
  vtkPDataSetWriter(const vtkPDataSetWriter&) = delete;
  void operator=(const vtkPDataSetWriter&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif