public IEnumerable <ParenCapture> GetCaptures(int number)
{
return
(new ReadOnlyCollection <ParenCapture>(
_captures.ContainsKey(number)
? _captures[number].ToList()
: (IList <ParenCapture>) new[] { ParenCapture.Fail(number) }));
}
public void AddCapture(int number, int index, string value)
{
if (!_captures.ContainsKey(number))
{
_captures.Add(number, new Stack <ParenCapture>());
}
var capture = ParenCapture.Pass(number, index, value);
_captures[number].Push(capture);
// In case there are any saved states, we need to associate the capture with all of them. That way, should
// a saved state be backtracted away, it can clear any captures associated with it.
foreach (var savedState in _savedStates)
{
savedState.AddCapture(capture);
}
}
public void RemoveCapture(ParenCapture capture)
{
_captures.Remove(capture);
}
public void AddCapture(ParenCapture capture)
{
_captures.Add(capture);
}