internal ICollection <SearchResultFromHead2Left <TValue> > FindFromHead2Left(SsWord headWord)
{
var ss = default(SortedSet <SearchResultFromHead2Left <TValue> >);
var finder = Finder.Create(_root);
int index = 0;
for (var word = headWord; word != null; word = word.next)
{
var node = finder.Find(word.valueOriginal);
if (node.HasNgrams)
{
foreach (var ngram in node.Ngrams)
{
var wordIndex = index - ngram.Words.Length + 1;
if (wordIndex == 0)
{
if (ss == null)
{
ss = new SortedSet <SearchResultFromHead2Left <TValue> >(SearchResultOfHead2LeftComparer.Instance);
}
var r = ss.Add(new SearchResultFromHead2Left <TValue>(word, ngram.Words.Length, ngram.Value));
System.Diagnostics.Debug.Assert(r);
}
}
}
index++;
}
if (ss != null)
{
return(ss);
}
return(EMPTY_RESULT_2);
}
public SearchResultFromHead2Left(SsWord lastWord, int length, TValue value)
{
LastWord = lastWord;
Length = length;
Value = value;
}