private int GetTopPostionIndex(List<InsertElement> ElementList, List<State> StateList)
{
MatchHelper.Assert(ElementList.Count != StateList.Count,
@" FUCTION GetTopPostionIndex ERROR,
ElementList's Length not equal to StateList's Length ");
int index = -1;
for (int i = 0; i < ElementList.Count; i++)
{
// is new place and index = 0, inserted node is root
if ((ElementList[i].Mode & PlaceMask) == (UInt16)InsertMode.NewPlace)
{
index = i;
break;
}
if ((ElementList[i].Mode & PlaceMask) == (UInt16)InsertMode.OldPlace)
{
if (StateList[i].NodeCount >1)
{
throw new TrainException(ElementList[i], "Top Insert position is multi-matched, insert failed");
}
else if (StateList[i].NodeCount == 0)
{
throw new TrainException(ElementList[i], "Top Insert position is non-matched, insert failed");
}
else
{
index = i + 1;
// continue loop
continue;
}
}
if ((ElementList[i].Mode & PlaceMask) == (UInt16)InsertMode.AutoPlace)
{
if (StateList[i].NodeCount == 1)
{
index = i + 1;
continue;
}
else if (StateList[i].NodeCount > 1)
{
throw new TrainException(ElementList[i], "Insert element list is not sufficient, insert failed");
}
else if (StateList[i].NodeCount == 0)
{
index = i;
break;
}
}
}
MatchHelper.Assert(index == -1,
@" FUCTION GetTopPostionIndex ERROR,
judge position index error, skip all if statement ");
return index;
}
