[MOD] Lookups: support for JNodes

Author: ChristianGruen

basex-core/src/main/java/org/basex/query/expr/Lookup.java

@@ -10,6 +10,7 @@
 import org.basex.query.util.*;
 import org.basex.query.value.*;
 import org.basex.query.value.item.*;
+import org.basex.query.value.node.*;
 import org.basex.query.value.type.*;
 import org.basex.query.var.*;
 import org.basex.util.*;
@@ -136,16 +137,6 @@ public Item next() throws QueryException {
     };
   }
 
-  @Override
-  public Value value(final QueryContext qc) throws QueryException {
-    final ValueBuilder vb = new ValueBuilder(qc);
-    final Iter iter = exprs[0].iter(qc);
-    for(Item item; (item = qc.next(iter)) != null;) {
-      vb.add(valueFor(item, qc));
-    }
-    return vb.value(this);
-  }
-
   /**
    * Returns the looked up values for the specified input.
    * @param item input item
@@ -154,7 +145,9 @@ public Value value(final QueryContext qc) throws QueryException {
    * @throws QueryException query exception
    */
   private Value valueFor(final Item item, final QueryContext qc) throws QueryException {
-    if(!(item instanceof final XQStruct struct)) throw LOOKUP_X.get(info, item);
+    Item it = item;
+    if(it instanceof final JNode jnode) it = jnode.value.item(qc, info);
+    if(!(it instanceof final XQStruct struct)) throw LOOKUP_X.get(info, it);
     final Expr keys = exprs[1];
 
     // wildcard: add all values