Method OpenCurrentFile

IO/Geometry/vtkChacoReader.cxx:787–820

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//------------------------------------------------------------------------------
int vtkChacoReader::OpenCurrentFile()
{
  int result = 0;

  if (this->CurrentGeometryFP == nullptr)
  {
    auto coordsFilename = vtk::format("{:s}.coords", this->BaseName);
    this->CurrentGeometryFP = vtksys::SystemTools::Fopen(coordsFilename, "r");
    if (this->CurrentGeometryFP == nullptr)
    {
      vtkErrorMacro(<< "Problem opening " << coordsFilename.c_str());
      this->SetCurrentBaseName(nullptr);
    }
    else
    {
      auto graphFilename = vtk::format("{:s}.graph", this->BaseName);
      this->CurrentGraphFP = vtksys::SystemTools::Fopen(graphFilename, "r");
      if (this->CurrentGraphFP == nullptr)
      {
        vtkErrorMacro(<< "Problem opening " << graphFilename.c_str());
        this->SetCurrentBaseName(nullptr);
        fclose(this->CurrentGeometryFP);
        this->CurrentGeometryFP = nullptr;
      }
      else
      {
        this->SetCurrentBaseName(this->GetBaseName());
        result = 1;
      }
    }
  }

  return result;
}

//------------------------------------------------------------------------------
// Code to read Chaco files.