Method OpenFile

IO/Geometry/vtkOpenFOAMReader.cxx:3134–3184

Attempt to open file (or file.gz) and read header

  // Attempt to open file (or file.gz) and read header
  bool OpenFile(const std::string& file, bool checkGzip = false)
  {
    this->ClearError(); // Discard any previous errors
    try
    {
      this->Superclass::Open(file);
      checkGzip = false;
    }
    catch (const vtkFoamError& err)
    {
      if (checkGzip)
      {
        // Avoid checking again if already ends_with(".gz")
        const auto len = file.length();
        if (len > 3 && file.compare(len - 3, std::string::npos, ".gz") == 0)
        {
          checkGzip = false;
        }
      }
      if (!checkGzip)
      {
        this->SetError(err);
        return false;
      }
    }

    if (checkGzip)
    {
      try
      {
        this->Superclass::Open(file + ".gz");
      }
      catch (const vtkFoamError& err)
      {
        this->SetError(err);
        return false;
      }
    }

    try
    {
      this->ReadHeader();
    }
    catch (const vtkFoamError& err)
    {
      this->Superclass::Close();
      this->SetError(err);
      return false;
    }
    return true;
  }

  void CloseFile()
  {