public static Link[] GetLeftElements(Link startLink, Link leftLink) { var result = new Link[4]; TryStepLeft(startLink, leftLink, result, 0); startLink.WalkThroughReferersBySource(couple => { if (couple.Linker == Net.And) if (TryStepLeft(couple, leftLink, result, 2)) return Link.Stop; return Link.Continue; }); return result; }
private static void RegisterExistingLetter(Link letter) { letter.WalkThroughReferersBySource(referer => { if (referer.Linker == Net.Has) { Link target = referer.Target; if (target.Source == Net.Code && target.Linker == Net.ThatIsRepresentedBy) { char charCode = (char)LinkConverter.ToNumber(target.Target); CharactersToLinks[charCode] = letter; LinksToCharacters[letter] = charCode; } } }); }
public static bool TryStepRight(Link startLink, Link rightLink, Link[] result, int offset) { int added = 0; startLink.WalkThroughReferersBySource(couple => { if (couple.Linker == Net.And) { var coupleTarget = couple.Target; if (coupleTarget == rightLink) { result[offset] = couple; if (++added == 2) return Link.Stop; } else if (coupleTarget.Linker == Net.And && coupleTarget.Source == rightLink) { result[offset + 1] = couple; if (++added == 2) return Link.Stop; } } return Link.Continue; }); return added > 0; }