code: public SelectorList parseSelectors(final String selectors) throws IOException {
          try (InputSource source = new InputSource(new StringReader(selectors))) {
              final HandlerBase handler = new HandlerBase();
              parser_.setDocumentHandler(handler);
              return parser_.parseSelectors(source);
          }
      }
docs: Parses a string into a CSSSelectorList.
  
  @param selectors the input string
  @return the css selector list
  @throws IOException if the underlying SAC parser throws an IOException