public StringList Sort(string[][] stringLists, SortOrder sortOrder)
{
if (stringLists == null)
{
throw new ArgumentNullException("stringLists");
}
if ((stringLists.Count() == 0) || (stringLists.Where(x => x != null).Count() == 0))
{
throw new ArgumentException("stringLists cannot be empty");
}
string[] sortedUniqueStrings = new string[0];
string[] duplicateStrings = new string[0];
foreach (var stringList in stringLists)
{
foreach (var stringItem in stringList)
{
if (sortedUniqueStrings.Contains(stringItem))
{
Array.Resize(ref duplicateStrings, duplicateStrings.Length + 1);
duplicateStrings[duplicateStrings.Length - 1] = stringItem;
}
else
{
Array.Resize(ref sortedUniqueStrings, sortedUniqueStrings.Length + 1);
sortedUniqueStrings[sortedUniqueStrings.Length - 1] = stringItem;
}
}
}
_sort.Sort(sortedUniqueStrings);
if (sortOrder.Equals(SortOrder.Descending))
{
_sort.Reverse(sortedUniqueStrings);
}
return(new StringList {
SortedUniqueStrings = sortedUniqueStrings, DuplicateStrings = duplicateStrings
});
}
