int TryGeneratedUtf8EncodeFlat(string input, out string output)
{
try
{
var res = UTF8Encoder.Apply(input);
output = res;
return 0;
}
catch (Exception e)
{
output = null;
return 1;
}
}
int TryGeneratedUtf8EncodeStream(string input, out string output)
{
try
{
var res = new String(new List<char>(UTF8Encoder.Transduce(input)).ToArray());
output = res;
return 0;
}
catch (Exception e)
{
output = null;
return 1;
}
}
public static IEnumerable<char> Transduce(IEnumerable<char> input)
{
var encoder = new UTF8Encoder();
int state = encoder.q0;
foreach (char c in input)
{
foreach (char d in encoder.Psi(state, (int)c))
yield return d;
state = encoder.Delta(state, (int)c);
}
if (encoder.F.Contains(state))
{
foreach (char d in encoder.Psi(state, -1))
yield return d;
}
else
throw new Exception("UTF8Encoder");
}