static void Walk(IndentedTextWriter writer, BoundQuery node)
{
switch (node)
{
case BoundKevValueQuery kevValue:
writer.WriteLine($"{(kevValue.IsNegated ? "-" : "")}{kevValue.Key}:{kevValue.Value}");
break;
case BoundTextQuery text:
writer.WriteLine($"{(text.IsNegated ? "-" : "")}{text.Text}");
break;
case BoundNegatedQuery negated:
writer.WriteLine("NOT");
writer.Indent++;
Walk(writer, negated.Query);
writer.Indent--;
break;
case BoundAndQuery and:
writer.WriteLine("AND");
writer.Indent++;
Walk(writer, and.Left);
Walk(writer, and.Right);
writer.Indent--;
break;
case BoundOrQuery or:
writer.WriteLine("OR");
writer.Indent++;
Walk(writer, or.Left);
Walk(writer, or.Right);
writer.Indent--;
break;
default:
throw new Exception($"Unexpected node {node.GetType()}");
}
}
private static BoundQuery Negate(BoundQuery node)
{
switch (node)
{
case BoundKevValueQuery kevValue:
return(NegateKevValueExpression(kevValue));
case BoundTextQuery text:
return(NegateTextExpression(text));
case BoundNegatedQuery negated:
return(NegateNegatedExpression(negated));
case BoundAndQuery and:
return(NegateAndExpression(and));
case BoundOrQuery or:
return(NegateOrExpression(or));
default:
throw new Exception($"Unexpected node {node.GetType()}");
}
}