internal static NfaEdge Create(char min, char max)
{
int int_min = (int)min;
int int_max = (int)max;
int n = -1;
int x = -1;
for (int i = 0; i < codePointRanges.Length; ++i)
{
if (codePointRanges[i].Item1 <= int_min && int_min <= codePointRanges[i].Item2)
{
n = i;
}
if (codePointRanges[i].Item1 <= int_max && int_max <= codePointRanges[i].Item2)
{
x = i;
}
}
var ranges = new List <Tuple <int, int> >();
// from biggest to smallest -- it creates fibers from longest to shortest
// important to create multi-edge with merged tails
for (int i = x; i >= n; --i)
{
Tuple <int, int> tuple = codePointRanges[i];
if (i == n)
{
tuple = Tuple.Create(int_min, tuple.Item2);
}
if (i == x)
{
tuple = Tuple.Create(tuple.Item1, int_max);
}
ranges.Add(tuple);
}
return(new NfaEdge(ranges.Select(it => Fiber.CreateChain(it))));
}
