/*
* Convert an array of longs into an array of UIDSets
*/
public static UIDSet[] createUIDSets(uint[] msgs)
{
List <UIDSet> v = new List <UIDSet>();
int i, j;
int length = msgs.Length;
int length2 = 0;
for (i = 0; i < length; i++)
{
UIDSet ms = new UIDSet();
ms.start = msgs[i];
// Look for contiguous elements
length2 = msgs.Length;
for (j = i + 1; j < length2; j++)
{
if (msgs[j] != msgs[j - 1] + 1)
{
break;
}
}
ms.end = msgs[j - 1];
v.Add(ms);
i = j - 1; // i gets incremented @ top of the loop
}
return(v.ToArray());
}
/// <summary>
/// Converts the specified enumerable collection of UIDs into an IMAP sequence-set.
/// </summary>
/// <param name="uids">An enumerable collection of UIDs.</param>
/// <returns>An IMAP sequence-set suitable for use with IMAP commands.</returns>
/// <exception cref="ArgumentNullException">The uids parameter is null.</exception>
/// <exception cref="ArgumentException">The specified collection of UIDs is empty.</exception>
/// <remarks> Refer to RFC3501, 9.Formal Syntax "sequence-set" for a description of IMAP
/// sequence-sets.</remarks>
internal static string BuildSequenceSet(IEnumerable <uint> uids)
{
Util.ThrowIfNull(uids);//.ThrowIfNull("uids");
List <uint> lst = new List <uint>(uids);
if (lst.Count == 0)
{
throw new ArgumentException("The specified collection is empty.");
}
else
{
return(UIDSet.toString(UIDSet.createUIDSets(lst.ToArray())));
}
/*if (uids.GetEnumerator().Count() == 0)
* throw new ArgumentException("The specified collection is empty.");
* List<uint> list = uids.ToList<uint>();
* if (list.Count == 1)
* return list[0].ToString();
* list.Sort();
* int count = uids.Count();
* IList<uint> fromNums = new List<uint>(), toNums = new List<uint>();
* for (int i = 0; i < count - 1; i++) {
* if (i == 0)
* fromNums.Add(list[i]);
* if (list[i + 1] > list[i] + 1) {
* toNums.Add(list[i]);
* fromNums.Add(list[i + 1]);
* }
* }
* toNums.Add(list[count - 1]);
* var ranges = Enumerable.Range(0, toNums.Count).Select(
* i => fromNums[i] + (toNums[i] == fromNums[i] ? "" : ":" + toNums[i])).ToArray();
* return string.Join(",", ranges);*/
}
