/// <summary>
/// Order documents for searching
/// </summary>
/// <param Name="documents">The list of documents to search</param>
/// <param Name="startDoc">The index of the document to start searching at</param>
/// <param Name="reverse">Whether the search should be backwards</param>
/// <returns></returns>
protected static Document[] OrderDocuments(Document[] documents, int startDoc, bool reverse)
{
//If the search is backwards, reverse the list
//And update the startDoc pointer to the new location
if (reverse)
{
documents = documents.Reverse().ToArray();
startDoc = documents.Length - startDoc - 1;
}
//Reorder the list such that all documents from before the start document
//are removed and added to the end of the list
return documents.Skip(startDoc).Concat(documents.Take(startDoc + 1)).ToArray();
}