Method GetNextLine

Modules/IO/VTK/src/itkVTKImageIO.cxx:40–71

VTKImageIO::~VTKImageIO() = default;

int
VTKImageIO::GetNextLine(std::ifstream & ifs, std::string & line, bool lowerCase, SizeValueType count)
{
  // The terminal condition for this recursive calls
  if (count > 5)
  {
    itkExceptionMacro("Error of GetNextLine due to consecutive 5 empty lines in the given .*vtk file ");
  }

  // Get a next line from a given *.vtk file
  std::getline(ifs, line);

  // Check the End-of-File of the file
  if (ifs.eof())
  {
    itkExceptionMacro("Premature EOF in reading a line");
  }

  // Convert characters of the line to lowercas
  if (lowerCase)
  {
    std::transform(line.begin(), line.end(), line.begin(), ::tolower);
  }

  // Check an empty line with the size of a read line from *.vtk file
  if (line.empty())
  {
    return GetNextLine(ifs, line, lowerCase, ++count);
  }

  return 1;
}

bool
VTKImageIO::CanReadFile(const char * filename)