Method valueIter

basex-core/src/main/java/org/basex/query/expr/Lookup.java:138–149

(final Item item)

      }

      private Iter valueIter(final Item item) throws QueryException {
        final ValueBuilder vb = new ValueBuilder(qc);
        final Iter keyIter = exprs[1].atomIter(qc, info);
        for(Item key; (key = keyIter.next()) != null;) {
          final Value items = item instanceof final JNode jnode ? jnode.value.item(qc, info) : item;
          for(final Item it : items) {
            if(!(it instanceof final XQStruct struct)) throw LOOKUP_X.get(info, it);
            vb.add(key == WILDCARD ? struct.items(qc) : struct.invoke(qc, info, key));
          }
        }
        return vb.value().iter();
      }
    };
  }