protected bool MatchEdge(string text, int pos, IFsmTransition transition)
{
// Console.WriteLine("Trying to match '{0}' character at {1} against {2}", text[pos], pos, transition.Condition);
bool ok;
if (transition.Condition.CheckFsmOrNull != null)
{
var runner = _checkRunnerFabric(transition.Fsm);
ok = runner.IsMatch(text.Substring(pos)) == transition.Condition.CheckCondition;
}
else if (transition.Condition.ClassTestOrNull != null)
{
ok = transition.Condition.ClassTestOrNull(text[pos]);
}
else if (transition.Condition.Character.HasValue)
{
ok = transition.Condition.Character.Value == text[pos];
}
else
{
throw new NotSupportedException("Dfa cannot use sigma-transitions!");
}
return(ok);
}
public int CompareTo(IFsmTransition other)
{
var r = this.From.CompareTo(other.From);
if (r != 0)
{
return(r);
}
r = this.To.CompareTo(other.To);
if (r != 0)
{
return(r);
}
r = this.Condition.Character.HasValue.CompareTo(other.Condition.Character.HasValue);
if (r != 0)
{
return(r);
}
if (this.Condition.Character.HasValue && other.Condition.Character.HasValue)
{
r = this.Condition.Character.Value.CompareTo(other.Condition.Character.Value);
if (r != 0)
{
return(r);
}
}
else if (this.Condition.Character.HasValue)
{
return(1);
}
else
{
return(-1);
}
r = Comparer <Func <char, bool> > .Default.Compare(this.Condition.ClassTestOrNull, other.Condition.ClassTestOrNull);
if (r != 0)
{
return(r);
}
return(0);
}