public FrameworkElement Process(string input)
{
ParseTree tree = new ParseTree();
Tokenizer tokenizer = new Tokenizer();
var queue = tokenizer.Tokenize(input);
tree.BuildTree(queue);
return(tree.Root.GetElement());
}
private Shape getShape(string command)
{
Tokenizer t = new Tokenizer();
var a = t.Tokenize(command);
ParseTree p = new ParseTree();
p.BuildTree(a);
if (p.Root.Token.Value == "Rectangle")
{
return(rectangle(p.Root));
}
else if (p.Root.Token.Value == "Ellipse")
{
return(ellipse(p.Root));
}
else if (p.Root.Token.Value == "Line")
{
return(line(p.Root));
}
throw new Exception();
}
