示例#1
0
  /**
   * Evaluates the analyze-string function.
   *
   * @param val input value
   * @param ctx query context
   * @return function result
   * @throws QueryException query exception
   */
  private Item analyzeString(final byte[] val, final QueryContext ctx) throws QueryException {

    final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
    if (p.matcher("").matches()) REGROUP.thrw(info);
    final String str = string(val);
    final Matcher m = p.matcher(str);

    final FElem root = new FElem(Q_ANALYZE, new Atts(FN, FNURI));
    int s = 0;
    while (m.find()) {
      if (s != m.start()) nonmatch(str.substring(s, m.start()), root);
      match(m, str, root, 0);
      s = m.end();
    }
    if (s != str.length()) nonmatch(str.substring(s), root);
    return root;
  }
示例#2
0
  /**
   * Evaluates the tokenize function.
   *
   * @param ctx query context
   * @return function result
   * @throws QueryException query exception
   */
  private Value tokenize(final QueryContext ctx) throws QueryException {
    final byte[] val = checkEStr(expr[0], ctx);
    final Pattern p = pattern(expr[1], expr.length == 3 ? expr[2] : null, ctx);
    if (p.matcher("").matches()) REGROUP.thrw(info);

    final TokenList tl = new TokenList();
    final String str = string(val);
    if (!str.isEmpty()) {
      final Matcher m = p.matcher(str);
      int s = 0;
      while (m.find()) {
        tl.add(str.substring(s, m.start()));
        s = m.end();
      }
      tl.add(str.substring(s, str.length()));
    }
    return StrSeq.get(tl);
  }