retrieve a length from the format string . either for a repeat count or a string length . return one if no explicit repeat count . \ param advance whether to move the stream position . concode_field_sep int formatOff concode_elem_sep int formatRepeatCount concode_elem_sep String format concode_field_sep void checkType concode_elem_sep char getType concode_elem_sep int available concode_elem_sep void reset concode_elem_sep String toString concode_elem_sep void consume concode_elem_sep int getIntFromFormat