private static void AppendPattern(ILinks <ulong> links, LinksConstants <ulong> constants, ulong start, ulong patternMarker, Dictionary <ulong, char> chars, ulong any, ulong @continue, StringBuilder sb, ulong initialPosition, RawNumberToAddressConverter <ulong> rawNumberToAddressConverter)
{
sb.Append('(');
var alternatives = 0;
links.Each(linkParts =>
{
var link = new UInt64Link(linkParts);
if (patternMarker == link.Target)
{
if (alternatives > 0)
{
sb.Append('|');
}
alternatives++;
}
else if (!constants.IsExternalReference(link.Target))
{
var charPosition = new UInt64Link(links.GetLink(link.Target));
if (constants.IsExternalReference(charPosition.Source) && chars.TryGetValue(charPosition.Target, out char targetSymbol))
{
var position = rawNumberToAddressConverter.Convert(charPosition.Source) - 10;
if (position == initialPosition)
{
if (alternatives > 0)
{
sb.Append('|');
}
sb.Append(targetSymbol);
AppendPattern(links, constants, link.Target, patternMarker, chars, any, @continue, sb, initialPosition + 1, rawNumberToAddressConverter);
alternatives++;
}
}
}
return(@continue);
}, new UInt64Link(any, start, any));
sb.Append(')');
}
private static string LinkToString(ILinks <ulong> links, LinksConstants <ulong> constants, ulong linkAddress, Dictionary <ulong, char> chars, RawNumberToAddressConverter <ulong> rawNumberToAddressConverter)
{
if (chars.TryGetValue(linkAddress, out char @char))
{
return($"'{@char.ToString()}'");
}
else if (constants.IsExternalReference(linkAddress))
{
return(rawNumberToAddressConverter.Convert(linkAddress).ToString());
}
else
{
var link = new UInt64Link(links.GetLink(linkAddress));
if (constants.IsExternalReference(link.Source) && chars.TryGetValue(link.Target, out char targetChar))
{
return($"[{rawNumberToAddressConverter.Convert(link.Source)}]'{targetChar}'");
}
else
{
return(linkAddress.ToString());
}
}
}