vtkDIMACSGraphReader.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkDIMACSGraphReader.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.
 
=========================================================================*/
/*----------------------------------------------------------------------------
 Copyright (c) Sandia Corporation
 See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
 
#ifndef vtkDIMACSGraphReader_h
#define vtkDIMACSGraphReader_h
 
#include "vtkGraphAlgorithm.h"
#include "vtkIOInfovisModule.h" // For export macro
#include "vtkStdString.h"       // For string API
 
class VTKIOINFOVIS_EXPORT vtkDIMACSGraphReader : public vtkGraphAlgorithm
{
 
public:
  static vtkDIMACSGraphReader* New();
  vtkTypeMacro(vtkDIMACSGraphReader, vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkGetFilePathMacro(FileName);
  vtkSetFilePathMacro(FileName);
 
 
  vtkGetStringMacro(VertexAttributeArrayName);
  vtkSetStringMacro(VertexAttributeArrayName);
 
 
  vtkGetStringMacro(EdgeAttributeArrayName);
  vtkSetStringMacro(EdgeAttributeArrayName);
 
protected:
  vtkDIMACSGraphReader();
  ~vtkDIMACSGraphReader() override;
 
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
  int buildGenericGraph(vtkGraph* output, vtkStdString& defaultVertexAttrArrayName,
    vtkStdString& defaultEdgeAttrArrayName);
 
  int buildColoringGraph(vtkGraph* output);
  int buildMaxflowGraph(vtkGraph* output);
 
  int RequestDataObject(vtkInformation*, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;
 
  int ReadGraphMetaData();
 
private:
  bool fileOk;
  bool Directed;
  char* FileName;
  char* VertexAttributeArrayName;
  char* EdgeAttributeArrayName;
 
  int numVerts;
  int numEdges;
  vtkStdString dimacsProblemStr;
 
  vtkDIMACSGraphReader(const vtkDIMACSGraphReader&) = delete;
  void operator=(const vtkDIMACSGraphReader&) = delete;
};
 
#endif // vtkDIMACSGraphReader_h