internal static Nfa Concat(IEnumerable <Nfa> coll)
{
Nfa nfa_result = coll.First();
NfaNode[] end_nodes = nfa_result.Accepting().ToArray();
foreach (Nfa nfa in coll.Skip(1))
{
NfaNode[] new_ends = nfa.Accepting().ToArray();
nfa.StartNode.ConnectFrom(end_nodes, NfaEdge.CreateEmpty());
end_nodes = new_ends;
}
return(nfa_result);
}
internal int Add(bool priority, NaiveLanguageTools.MultiRegex.RegexParser.AltRegex pattern, StringCaseComparison stringComparison)
{
pattern = pattern.ToCaseComparison(stringComparison);
Nfa pattern_nfa = pattern.BuildNfa();
pattern_nfa.Accepting().ForEach(it => it.SetValue(rulesCount, priority));
if (this.rulesCount == 0)
{
nfa = pattern_nfa;
}
else
{
nfa.StartNode.ConnectTo(pattern_nfa.StartNode, NfaEdge.CreateEmpty());
}
return(rulesCount++);
}
