public static List <CardinalPoint> ToList()
{
var result = new List <CardinalPoint>();
CardinalPoint temp = _start;
do
{
result.Add(temp);
temp = temp.Right;
} while (!temp.Equals(_start));
return(result);
}
private static void Insert(string value, Point direction)
{
CardinalPoint newCardinalPoint;
if (_start == null)
{
newCardinalPoint = new CardinalPoint {
Value = value, Direction = direction
};
newCardinalPoint.Right = newCardinalPoint.Left = newCardinalPoint;
_start = newCardinalPoint;
return;
}
var last = _start.Left;
newCardinalPoint = new CardinalPoint {
Value = value, Direction = direction, Right = _start
};
_start.Left = newCardinalPoint;
newCardinalPoint.Left = last;
last.Right = newCardinalPoint;
}