public override void StartTerm(BytesRef term, int freq)
{
Debug.Assert(freq >= 1);
int prefix = StringHelper.BytesDifference(LastTerm, term);
CurField.AddTerm(freq, prefix, term.Length - prefix);
TermSuffixes.WriteBytes(term.Bytes, term.Offset + prefix, term.Length - prefix);
// copy last term
if (LastTerm.Bytes.Length < term.Length)
{
LastTerm.Bytes = new byte[ArrayUtil.Oversize(term.Length, 1)];
}
LastTerm.Offset = 0;
LastTerm.Length = term.Length;
Array.Copy(term.Bytes, term.Offset, LastTerm.Bytes, 0, term.Length);
}