@Override
public NodeValue exec(NodeValue v) {
Node n = v.asNode();
if (!n.isBlank()) throw new ExprEvalException("bnode: not a blank node");
NodeValue nv = NodeValue.makeString(n.getBlankNodeId().getLabelString());
return nv;
}
public static void evalPrint(Expr expr, Binding binding) {
try {
NodeValue r = eval(expr, binding);
// System.out.println(r.asQuotedString()) ;
Node n = r.asNode();
String s = FmtUtils.stringForNode(n);
System.out.println(s);
} catch (ExprEvalException ex) {
System.out.println("Exception: " + ex.getMessage());
return;
} catch (ExprBuildException ex) {
System.err.println("Build exception: " + ex.getMessage());
return;
}
}