Method ConsumeStringTuple

Filters/Statistics/vtkStatisticsAlgorithm.cxx:716–758

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//------------------------------------------------------------------------------
std::size_t vtkStatisticsAlgorithm::ConsumeStringTuple(
  const std::string& source, std::vector<std::string>& tuple)
{
  std::string work = source;
  std::string value;
  std::size_t consumed = 0;
  std::size_t stringSize;
  std::size_t ii;
  tuple.clear();
  for (ii = 0; ii < work.size(); work = work.substr(stringSize, std::string::npos))
  {
    if ((work[ii] == '(' && tuple.empty()) || (work[ii] == ',' && !tuple.empty()))
    {
      work = work.substr(1, std::string::npos);
      ++consumed;

      // Handle an empty tuple with no strings
      if (work[ii] == ')')
      {
        ++consumed;
        return consumed;
      }

      stringSize = ConsumeString(work, value);
      if (stringSize == 0)
      {
        return 0;
      }
      consumed += stringSize;
      tuple.push_back(value);
    }
    else if (work[ii] == ')' && consumed > 0)
    {
      ++consumed;
      return consumed;
    }
    else
    {
      return 0;
    }
  }
  return 0;
}

//------------------------------------------------------------------------------
std::size_t vtkStatisticsAlgorithm::ConsumeStringTuple(