/// <summary>
/// Get filtered events in the specified range.
/// </summary>
public List <Event> GetFilteredEvents(EventFilter filter, int lastCount, int startEvNum, out bool reversed)
{
if (filter == null)
{
throw new ArgumentNullException(nameof(filter));
}
filter.Check();
reversed = false;
List <Event> filteredEvents = lastCount > 0 ? new List <Event>(lastCount) : new List <Event>();
int startEvInd = Math.Max(0, startEvNum - 1);
int allEventsCnt = allEvents.Count;
void AddEventAction(int i)
{
var ev = allEvents[i];
if (filter.Satisfied(ev))
{
filteredEvents.Add(ev);
}
}
if (lastCount > 0)
{
for (int i = allEventsCnt - 1; i >= startEvInd && filteredEvents.Count < lastCount; i--)
{
AddEventAction(i);
}
reversed = true;
}
else
{
for (int i = startEvInd; i < allEventsCnt; i++)
{
AddEventAction(i);
}
}
return(filteredEvents);
}