@Override
public int next() {
int current = current();
int next = rules.next();
if (next == BreakIterator.DONE) return next;
else next += workingOffset;
char c = working.current();
int following = rules.next(); // lookahead
if (following != BreakIterator.DONE) {
following += workingOffset;
if (rules.getRuleStatus() == 0 && laoSet.contains(c) && verifyPushBack(current, next)) {
workingOffset = next - 1;
working.setText(
text.getText(), text.getStart() + workingOffset, text.getLength() - workingOffset);
return next - 1;
}
rules.previous(); // undo the lookahead
}
return next;
}
