Esempio n. 1
0
 @Override
 public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
   final Iter ir = iter(qc);
   final Item it = ir.next();
   if (it == null || ir.size() == 1) return it;
   final Item n = ir.next();
   if (n != null) {
     final ValueBuilder vb = new ValueBuilder().add(it).add(n);
     if (ir.next() != null) vb.add(Str.get(DOTS));
     throw SEQFOUND_X.get(info, vb.value());
   }
   return it;
 }
Esempio n. 2
0
 @Override
 public Item item(final QueryContext qc, final InputInfo ii) throws QueryException {
   final String form = string(toToken(exprs[0], qc));
   final int es = exprs.length;
   final Object[] args = new Object[es - 1];
   for (int e = 1; e < es; e++) {
     final Item it = exprs[e].item(qc, info);
     args[e - 1] = it == null ? null : it.type.isUntyped() ? string(it.string(info)) : it.toJava();
   }
   try {
     return Str.get(String.format(form, args));
   } catch (final RuntimeException ex) {
     throw ERRFORMAT_X_X.get(info, Util.className(ex), ex);
   }
 }
Esempio n. 3
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 @Override
 public final Item ebv(final QueryContext qc, final InputInfo ii) throws QueryException {
   final Item it;
   if (seqType().zeroOrOne()) {
     it = item(qc, info);
   } else {
     final Iter ir = iter(qc);
     it = ir.next();
     if (it != null && !(it instanceof ANode)) {
       final Item n = ir.next();
       if (n != null) {
         final ValueBuilder vb = new ValueBuilder().add(it).add(n);
         if (ir.next() != null) vb.add(Str.get(DOTS));
         throw EBV_X.get(info, vb.value());
       }
     }
   }
   return it == null ? Bln.FALSE : it;
 }
Esempio n. 4
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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));
 }
Esempio n. 5
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 /**
  * Returns a database function for the first node in a node set.
  *
  * @param n node set
  * @param i offset
  * @return function string
  */
 static String openPre(final Nodes n, final int i) {
   return Function._DB_OPEN_PRE.get(Str.get(n.data.meta.name), Int.get(n.pres[i])).toString();
 }
 @Override
 public Value value(final QueryContext qc) {
   final ValueBuilder vb = new ValueBuilder();
   for (final Object k : System.getenv().keySet()) vb.add(Str.get(k.toString()));
   return vb.value();
 }