int? IMatch.Match(SourcePosn sourcePosn)
{
var length = sourcePosn.Match(Target);
if (length != null)
OnMatch(sourcePosn.SubString(0, length.Value));
else
OnMismatch?.Invoke();
return length;
}
public int? GuardedMatch(SourcePosn sourcePosn, IMatch match)
{
try
{
return sourcePosn.Match(match);
}
catch(Match.Exception exception)
{
throw new TwoLayerScanner.Exception
(
exception.SourcePosn,
Convert(exception.Error)
);
}
}
internal int? Any(SourcePosn sourcePosn) => sourcePosn.Match(_any);
internal int? Number(SourcePosn sourcePosn) => sourcePosn.Match(_number);
internal int? WhiteSpace(SourcePosn sourcePosn) => sourcePosn.Match(_whiteSpaces);