private Behavior mergePaths(LinkedList<Behavior> list1, LinkedList<Behavior> list2, LinkedList<Behavior> lcs)
{
Behavior start = null;
Behavior last = null;
Behavior line1Start = null;
Behavior line2Start = null;
Behavior holdLast;
Behavior holdCurrent;
LinkedList<Behavior>.Enumerator enumerator1 = list1.GetEnumerator();
LinkedList<Behavior>.Enumerator enumerator2 = list2.GetEnumerator();
for (LinkedList<Behavior>.Enumerator lcsEnumerator = lcs.GetEnumerator(); lcsEnumerator.MoveNext(); )
{
line1Start = null;
line2Start = null;
holdLast = null;
while (enumerator1.MoveNext() && enumerator1.Current.compareTo(lcsEnumerator.Current) != 0)
{
holdCurrent = enumerator1.Current.makeCopy();
if (line1Start == null)
{
line1Start = holdCurrent;
}
else
{
holdLast.setNext(holdCurrent);
}
holdLast = holdCurrent;
}
if (line1Start != null)
{
holdLast.setNext(lcsEnumerator.Current);
}
holdLast = null;
while (enumerator2.MoveNext() && enumerator2.Current.compareTo(lcsEnumerator.Current) != 0)
{
holdCurrent = enumerator2.Current.makeCopy();
if (line2Start == null)
{
line2Start = holdCurrent;
}
else
{
holdLast.setNext(holdCurrent);
}
holdLast = holdCurrent;
}
if (line2Start != null)
{
holdLast.setNext(lcsEnumerator.Current);
}
if (line1Start == null && line2Start == null)
{
holdCurrent = lcsEnumerator.Current;
}
else
{
holdCurrent = new ComboBehavior();
holdCurrent.setNext(line1Start == null ? lcsEnumerator.Current : line1Start);
holdCurrent.setNext(line2Start == null ? lcsEnumerator.Current : line2Start);
}
if (start == null)
{
start = holdCurrent;
}
else
{
last.setNext(holdCurrent);
}
last = lcsEnumerator.Current;
}
return start;
}
private void foldIn(LinkedList<Behavior> llb, LinkedList<Behavior> lcs)
{
bool go;
bool start = true;
bool pause = false;
Behavior holdCurrent;
Behavior holdLast;
Behavior node = startPoint;
Behavior lineStart;
LinkedList<Behavior>.Enumerator e = llb.GetEnumerator();
for (LinkedList<Behavior>.Enumerator lcsEnumerator = lcs.GetEnumerator(); pause || lcsEnumerator.MoveNext(); )
{
if (!start)
{
node = lcsEnumerator.Current;
}
lineStart = null;
holdLast = null;
go = e.MoveNext();
while (go && e.Current.compareTo(lcsEnumerator.Current) != 0)
{
holdCurrent = e.Current.makeCopy();
if (lineStart == null)
{
lineStart = holdCurrent;
}
else
{
holdLast.setNext(holdCurrent);
}
holdLast = holdCurrent;
go = e.MoveNext();
}
if (lineStart != null && go)
{
holdLast.setNext(node);
}
if (node is ComboBehavior)
{
bool moveOn = false;
foreach (Behavior b in ((ComboBehavior)node).getAllBranches())
{
if (b.compareTo(lcsEnumerator.Current) == 0 && lineStart == null)
{
moveOn = true;
break;
}
}
if (!moveOn)
{
node.setNext(lineStart == null ? lcsEnumerator.Current : lineStart);
}
}
// Make a combo behavior if this isn't just the same LCS node.
else if (!(lineStart == null && node.compareTo(lcsEnumerator.Current) == 0))
{
ComboBehavior cb = new ComboBehavior();
cb.setNext(node);
cb.setNext(lcsEnumerator.Current);
startPoint = cb;
}
else
{
lineStart = lcsEnumerator.Current;
pause = start;
}
start = false;
}
}