public static void Solve(string words, Form1.ResultCallBack callback, Form1.IncrementCounter ic)
{
callback("--START--");
var si = new SolveInstance();
var s = words.Split(new[] { ' ', '\t', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries);
var tl = s.Select((t, a) => new Tuple <int, string>(a, t)).ToList();
//shortest first
foreach (var s1 in tl.OrderByDescending(s1 => s1.Item2.Length))
{
if (si.SolvedStrings.ContainsKey(s1.Item2) == false)
{
si.SolvedStrings.Add(s1.Item2, null);
}
}
Solve(si, ref tl, callback, ic);
callback("--FINISHED--");
}
/// <summary>
/// tuple enc unenc
/// </summary>
/// <param name="si"></param>
/// <returns></returns>
private static IEnumerable <Tuple <string, string> > Solve(SolveInstance si, ref List <Tuple <int, string> > tl, Form1.ResultCallBack callback, Form1.IncrementCounter ic)
{
var left = si.SolvedStrings.Where(s => s.Value == null);
var lc = left.Count();
if (lc == 0)
{
if (AskForCorrect(si, ref tl, callback) == false)
{
return(null);
}
return(new List <Tuple <string, string> >());
}
var en = left.First().Key;
foreach (var s in Unencrypt(si, en))
{
if (ic != null)
{
OutputResult(s.Item1, ic);
}
var retr = Solve(s.Item1, ref tl, callback, ic);
if (retr != null)
{
var r = new Tuple <string, string>(en, s.Item2);
var ret = new List <Tuple <string, string> >();
ret.Add(r);
ret.AddRange(retr);
return(ret);
}
}
return(null);
}
private static bool AskForCorrect(SolveInstance si, ref List <Tuple <int, string> > tl, Form1.ResultCallBack callback)
{
var ret = (from x in tl.OrderBy(s => s.Item1)
select si.SolvedStrings[x.Item2]).Aggregate("", (q1, q2) => q1 + q2 + " ");
return(callback(ret));
}