Esempio n. 1
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 /** Constructor, registering statically available XQuery functions. */
 private Functions() {
   for (final Function def : Function.values()) {
     final String dsc = def.desc;
     final byte[] ln = token(dsc.substring(0, dsc.indexOf(PAR1)));
     final int i = add(new QNm(ln, def.uri()).id());
     if (i < 0) Util.notexpected("Function defined twice:" + def);
     funcs[i] = def;
   }
 }
Esempio n. 2
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  /**
   * Returns the specified function.
   *
   * @param name function qname
   * @param args optional arguments
   * @param ii input info
   * @return function instance
   * @throws QueryException query exception
   */
  public StandardFunc get(final QNm name, final Expr[] args, final InputInfo ii)
      throws QueryException {

    final int id = id(name.id());
    if (id == 0) return null;

    // create function
    final Function fl = funcs[id];
    if (!eq(fl.uri(), name.uri())) return null;

    final StandardFunc f = fl.get(ii, args);
    // check number of arguments
    if (args.length < fl.min || args.length > fl.max) XPARGS.thrw(ii, fl);
    return f;
  }
Esempio n. 3
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 @Override
 public String toString() {
   final boolean text = index.type() == IndexType.TEXT;
   final Function func = text ? Function._DB_TEXT_RANGE : Function._DB_ATTRIBUTE_RANGE;
   return func.toString(Str.get(ictx.data.meta.name), Str.get(index.min), Str.get(index.max));
 }