@Override
public FTNode item(final QueryContext qc, final InputInfo ii) throws QueryException {
if (pos == 0) pos = ++qc.ftPos;
matches.reset(pos);
final int c = contains(qc);
if (c == 0) matches.size(0);
// scoring: include number of tokens for calculations
return new FTNode(matches, c == 0 ? 0 : Scoring.word(c, qc.ftToken.count()));
}
/**
* Adds a match.
*
* @param s start position
* @param e end position
*/
void add(final int s, final int e) {
if (!first && (mode == FTMode.ALL || mode == FTMode.ALL_WORDS)) matches.and(s, e);
else matches.or(s, e);
}