private static void BuildChildrenHelper(Family family, List<ForestNode[]> startList, Sentence rhs, int position) {
if (position + 1 != rhs.Count && family.Production != null) {
throw new Exception();
}
if (family.Members.Count == 1) {
if (position != 0) {
throw new Exception();
}
var onlyNode = family.Members[0];
AddNode(onlyNode, startList, rhs, position);
} else if (family.Members.Count == 2) {
var rightNode = family.Members[1];
AddNode(rightNode, startList, rhs, position);
var intermediateNode = (IntermediateNode)family.Members[0];
var firstCopy = startList.ToList();
startList.Clear();
foreach (var subfamily in intermediateNode.Families) {
var listCopy = firstCopy.ToList();
BuildChildrenHelper(subfamily, listCopy, rhs, position - 1);
startList.AddRange(listCopy);
}
} else {
throw new Exception();
}
}
internal void AddFamily(Family family) {
_familiesInternal.Add(family);
}
public FamilyNode(Family family, string id, int rank) {
_family = family;
_id = id;
Rank = rank;
}
internal ForestOption(Family family) {
_family = family;
}