private static int Compare(SccStamp lhs, SccStamp rhs)
{
Debug.Assert(lhs != null);
Debug.Assert(rhs != null);
return lhs.Revision.CompareTo(rhs.Revision);
}
/// <summary>
/// Sorts an array of <see cref="SccStamp"/> objects by their
/// revision numbers in ascending order.
/// </summary>
public static void SortByRevision(SccStamp[] stamps)
{
SortByRevision(stamps, false);
}
/// <summary>
/// Sorts an array of <see cref="SccStamp"/> objects by their
/// revision numbers in ascending or descending order.
/// </summary>
public static void SortByRevision(SccStamp[] stamps, bool descending)
{
IComparer comparer = new RevisionComparer();
if (descending)
comparer = new ReverseComparer(comparer);
Array.Sort(stamps, comparer);
}
/// <summary>
/// Finds the latest stamp among an array of <see cref="SccStamp"/>
/// objects. The latest stamp is the one with the highest revision
/// number.
/// </summary>
public static SccStamp FindLatest(SccStamp[] stamps)
{
if (stamps == null)
throw new ArgumentNullException("stamps");
if (stamps.Length == 0)
return null;
stamps = (SccStamp[]) stamps.Clone();
SortByRevision(stamps, /* descending */ true);
return stamps[0];
}