public void NamespacedDerivedFromOperator ()
{
var @class = new Query ("upnp:class");
AssertEquality (@class.DerivedFrom ("object.item"), @"upnp:class derivedfrom ""object.item""");
}
public override void VisitOr (Query leftOperand, Query rightOperand)
{
VisitBinaryOperator (leftOperand, "or", rightOperand);
}
protected static Query Disjoin (Query leftOperand, Query rightOperand)
{
return visitor => visitor.VisitOr (leftOperand, rightOperand);
}
void VisitBinaryOperator (Query leftOperand, string @operator, Query rightOperand)
{
builder.Append ('(');
leftOperand (this);
builder.Append (' ');
builder.Append (@operator);
builder.Append (' ');
rightOperand (this);
builder.Append (')');
}
protected static Query Conjoin (Query leftOperand, Query rightOperand)
{
return visitor => visitor.VisitAnd (leftOperand, rightOperand);
}
