// private string instuction;
public void handle(string instuction)
{
AbstractNode left = null, right = null;
AbstractNode direction = null, action = null, distance = null;
Stack<AbstractNode> stack = new Stack<AbstractNode>();
string[] words = instuction.Split(' ');
for (int i = 0; i < words.Length; i++)
{
if (words[i] == "and")
{
left = stack.Pop();
string word1 = words[++i];
direction = new DirectionNode(word1);
string word2 = words[++i];
action = new ActionNode(word2);
string word3 = words[++i];
distance = new DistanceNode(word3);
right = new SentenceNode(direction, action, distance);
stack.Push(new AndNode(left, right));
}
else
{
string word1 = words[i];
direction = new DirectionNode(word1);
string word2 = words[++i];
action = new ActionNode(word2);
string word3 = words[++i];
distance = new DistanceNode(word3);
left = new SentenceNode(direction, action, distance);
stack.Push(left);
}
}
this.node = stack.Pop();
}
public AndNode(AbstractNode left, AbstractNode right)
{
this.left = left;
this.right = right;
}
public AndNode(AbstractNode left, AbstractNode right)
{
this.left = left;
this.right = right;
}
public SentenceNode(AbstractNode direction, AbstractNode action, AbstractNode distance)
{
this.direction = direction;
this.action = action;
this.distance = distance;
}