public void InsertRight(OperatorTree tree)
{
//Make same assertion as above
if(this.node == null || (this.node != null && this.node.GetType() != typeof(OperatorNode)))
throw new Exception("Can't attach subtree to node with data or null.");
if(this.node.GetType() == typeof(OperatorNode) && ((OperatorNode)this.node).Operator.ToUpper() == "NOT")
throw new Exception("Can't attach things to the right child of a NOT node.");
right = tree.Clone();
right.AddDepth(depth);
right.parent = this;
this.size += right.size;
}
public void InsertLeft(OperatorTree tree)
{
//Assert that this OperatorTree's node is not Data and an operator node.
//Operator nodes are only allowed as interior nodes,
//Data nodes are only allowed as leaf nodes.
if(this.node == null || (this.node != null && this.node.GetType() != typeof(OperatorNode)))
throw new Exception("Can't attach subtree to node with data or null.");
left = tree.Clone();
left.AddDepth(depth);
left.parent = this;
this.size += left.size;
}