public ParsedGoal Parse(string goal)
{
var elements = goal.Split(' ');
var parsedElements = new List<ParsedGoalElement>();
for (var i = 0; i < elements.Length; i++) {
var parsedGoalElement = new ParsedGoalElement(elements[i]);
if (i > 0) {
parsedGoalElement.SetPrevious(parsedElements[i - 1]);
}
parsedElements.Add(parsedGoalElement);
}
var parsedGoalElements = new ParsedGoalElements(parsedElements);
return new ParsedGoal {
Deadline = parsedGoalElements.GetDeadline(),
Direction = parsedGoalElements.GetDirection(),
Quantity = parsedGoalElements.GetQuantity()
};
}
private void SetNextElement(ParsedGoalElement nextElement)
{
this.NextElement = nextElement;
}
public void SetPrevious(ParsedGoalElement previousElement)
{
this.previousElement = previousElement;
this.previousElement.SetNextElement(this);
}