private static Item[] CreateDiffs(DiffData DataA, DiffData DataB)
{
ArrayList a = new ArrayList();
Item aItem;
Item[] result;
int StartA, StartB;
int LineA, LineB;
LineA = 0;
LineB = 0;
while (LineA < DataA.Length || LineB < DataB.Length)
{
if ((LineA < DataA.Length) && (!DataA.modified[LineA])
&& (LineB < DataB.Length) && (!DataB.modified[LineB]))
{
// equal lines
LineA++;
LineB++;
}
else
{
// maybe deleted and/or inserted lines
StartA = LineA;
StartB = LineB;
while (LineA < DataA.Length && (LineB >= DataB.Length || DataA.modified[LineA]))
// while (LineA < DataA.Length && DataA.modified[LineA])
LineA++;
while (LineB < DataB.Length && (LineA >= DataA.Length || DataB.modified[LineB]))
// while (LineB < DataB.Length && DataB.modified[LineB])
LineB++;
if ((StartA < LineA) || (StartB < LineB))
{
// store a new difference-item
aItem = new Item();
aItem.StartA = StartA;
aItem.StartB = StartB;
aItem.deletedA = LineA - StartA;
aItem.insertedB = LineB - StartB;
a.Add(aItem);
} // if
} // if
} // while
result = new Item[a.Count];
a.CopyTo(result);
return (result);
}