private static void ProcessNSRecReferencesAndReset()
{
// Get the Sequence and Alternate references, find their references in the
foreach (KeyValuePair <NSRecRef, NextStateRec> item in s_seqRefBldr)
{
int seqNo;
// HACK: no error checking
NSRecRef nsRecRef = item.Key;
NextStateRec nsRec = item.Value;
Debug.WriteLine($"SeqNo={nsRecRef.SeqNo}, ID={nsRecRef.Identifier}, Hash={nsRecRef.GetHashCode()} ", "NSRecRef");
string objRef = nsRecRef.Sequence;
if (!string.IsNullOrEmpty(objRef))
{
seqNo = NSRecRef.ExtractReference(ref objRef);
NSRecRef nsSeqRef = new NSRecRef(seqNo, objRef);
Debug.WriteLine(objRef, "nsSeqRef");
NextStateRec nsSeqRec = s_seqRefBldr[nsSeqRef];
s_nxtStateFuncBldr.AddSequenceNSRecord(nsRec, nsSeqRec);
}
objRef = nsRecRef.Alternate;
if (!string.IsNullOrEmpty(objRef))
{
seqNo = NSRecRef.ExtractReference(ref objRef);
NSRecRef nsAltRef = new NSRecRef(seqNo, objRef);
NextStateRec nsAltRec = s_seqRefBldr[nsAltRef];
s_nxtStateFuncBldr.AddAlternativeNSRecord(nsRec, nsAltRec);
}
}
s_seqRefBldr.Clear(); // clears the list for the next Gramma definition
//throw new NotImplementedException();
}
private static NextStateRec ProcessDefLine(string line, out int seqNo, out string seq2Obj, out string alt2Obj)
{
NextStateRec nsRec, nsDef = null;
UnEscapeQuotes(ref line);
// extract the lines values as required
string[] cols = line.Split(10, ',');
string objRef = cols[2];
if (!string.IsNullOrWhiteSpace(objRef))
{
if (!Enum.TryParse(cols[5].Trim(), out ParseResponse response))
{
throw new FormatException($"Response '{cols[5].Trim()}' not a valid ParseResponse value in: {line}");
}
seqNo = NSRecRef.ExtractReference(ref objRef);
nsRec = NextStateRec.CreateNSObject(objRef, response);
}
else // must be a blank line so return nothing
{
seq2Obj = string.Empty;
alt2Obj = string.Empty;
seqNo = 0;
return(null);
}
string gramma = cols[0];
// column '1' ignored, is for user reference to the gramma being defined
seq2Obj = cols[3].Trim();
alt2Obj = cols[4].Trim();
string action = cols[6].Trim();
// columns 7 onwards ignored and can be used for comments as desired
// process a Gramma definition line (1st line in sequence) if existant and return nsDEf/nsRec sequence pair
if (!string.IsNullOrWhiteSpace(gramma))
{
nsDef = NextStateRec.CreateGrammaDef(gramma.TrimEnd(':')); //NOTE: colon is optional
s_nxtStateFuncBldr.AddSequenceNSRecord(nsDef, nsRec);
return(nsDef);
}
// OR: just return the Next State Record
else
{
return(nsRec);
}
}