String className = !end() ? identifier() : null;
if (className == null || className.isEmpty()) {
throw new ParserException("Expected className at position " + pos);
}
sb.append(className);
ClassSelector cs = new ClassSelector(className, new Context(content, "." + className, initialLoopPos, pos));
simpleSelectorList.add(cs);
parserListener.classSelector(cs);
} else if (current == '#') {
//hash selector
sb.append(current);