public List<ExpressionLeaf> GetLeafNodes(AExpression parent = null)
{
var result = new List<ExpressionLeaf>();
Parent = parent;
GetLeafNode(Left, ref result);
GetLeafNode(Right, ref result);
return result;
}
private void GetLeafNode(AExpression expr, ref List<ExpressionLeaf> result)
{
var exprLeaf = expr as ExpressionLeaf;
if (exprLeaf == null)
{
result.AddRange(expr.GetLeafNodes(this));
}
else
{
result.Add(exprLeaf);
}
}
public AExpression(BaseKnowledge left, string op, BaseKnowledge right)
{
if (left != null)
{
var l = left as AExpression;
Left = l ?? new ExpressionLeaf(left);
}
Operator = op;
if (right != null)
{
var r = right as AExpression;
Right = r ?? new ExpressionLeaf(right);
}
}