/// <summary>
/// Returns sub Leaf with specified sign.
/// Create sub Leaf if leaf with such sign doesn't exist.
/// </summary>
/// <param name="sign"></param>
/// <returns></returns>
protected Leaf GetOrAppendSubLeaf(char sign)
{
if (SubLeaves != null)
{
foreach (Leaf leaf in SubLeaves)
{
if (leaf.Sign == sign)
{
return(leaf);
}
}
return(SubLeaves.AppendToLast(new Leaf(sign)).Item);
}
else
{
SubLeaves = new OnceLinkedList <Leaf>(new Leaf(sign));
return(SubLeaves.Item);
}
}
/// <summary>
/// Adds information to current leaf.
/// </summary>
/// <param name="info"></param>
private void AddInfo(LemmaInfo info)
{
OnceLinkedList <LemmaInfo> .Append(ref Info, info);
}