Method GetAttributeValueAsStr

IO/ERF/vtkERFReader.cxx:913–941

----------------------------------------------------------------------------

//----------------------------------------------------------------------------
std::string vtkERFReader::GetAttributeValueAsStr(
  const hid_t& erfIdx, const std::string& attributeName) const
{
  vtkHDF::ScopedH5AHandle attributeHandler = H5Aopen(erfIdx, attributeName.c_str(), H5P_DEFAULT);
  vtkHDF::ScopedH5THandle rawType = H5Aget_type(attributeHandler);
  vtkHDF::ScopedH5THandle dataType = H5Tget_native_type(rawType, H5T_DIR_ASCEND);

  if (H5Tget_class(dataType) != H5T_STRING)
  {
    return "";
  }

  hsize_t stringLength = H5Aget_storage_size(attributeHandler);
  std::string value;
  value.resize(stringLength + 1);
  if (H5Aread(attributeHandler, dataType, value.data()) >= 0)
  {
    value.erase(std::remove_if(value.begin(), value.end(),
                  [](char c)
                  {
                    // convert it to avoid potential issue with negative char
                    unsigned char uc = static_cast<unsigned char>(c);
                    return std::isspace(uc) || !std::isalpha(uc);
                  }),
      value.end());
  }

  return value;
}

//----------------------------------------------------------------------------
int vtkERFReader::GetAttributeValueAsInt(