internal void Transition(char?lastChar, char?nextChar)
{
List <ENFA_Regex_Match> validPaths = ValidPaths(lastChar, nextChar);
if (validPaths.Count == 0)
{
// Kill MatchPath
Kill();
}
else
{
// Split matchPath
for (int counter = 0; counter < validPaths.Count - 1; counter += 1)
{
ENFA_Regex_MatchPath clone = Clone();
Node.List.AddBefore(Node, clone.Node);
if (!clone.Transition(validPaths[counter]))
{
if (!clone.IsPatternEnd)
{
clone.Transition(lastChar, nextChar);
}
}
}
/* Transition once again if transition consumes no character */
if (!Transition(validPaths[validPaths.Count - 1]))
{
if (!IsPatternEnd)
{
Transition(lastChar, nextChar);
}
}
}
}
public ENFA_Regex_MatchPath(ENFA_Regex_MatchPath cloneThis)
{
_controller = cloneThis.Controller;
_node = cloneThis.Node;
_patternLocation = cloneThis.PatternLocation;
}