private int[] GetOrderedIndexArray(EnumerableSorted <TSource, TKey> orderCriteriaHead)
{
//@todo: re-implement List<> as lightweight, make Sort() a utility method
//@todo: write own utilities for Enumerable.Range remove reliance to Linq utilities
List <int> map = new List <int>(Enumerable.Range(0, sourceList.Count));
map.Sort(orderCriteriaHead);
return(map.ToArray());
}
public EnumerableOrderBy(IEnumerable <TSource> source, Func <TSource, TKey> keySelector, bool decending, IComparer <TKey> comparer)
{
if (source == null)
{
throw new ArgumentNullException("'source' can't be null");
}
this.source = source;
orderRule = new EnumerableSorted <TSource, TKey>(keySelector, decending, comparer, this);
}