public void ReadDictFile(string file)
{
string[] lines = File.ReadAllLines(file);
dict = new CipherDictionary(lines.Length);
foreach (string line in lines)
{
if (line.Length == 10)
{
char c = line[0];
if (c == 'C')
{
c = '\r';
}
else if (c == 'L')
{
c = '\n';
}
else if (c == 'E')
{
c = (char)26;
}
string hex = line.Substring(4, 6);
dict.Add(0xFF << 24 | Convert.ToInt32(hex, 16), c);
}
}
if (data != null)
{
dict.AddMissingValues(data);
}
charsetView.DataSource = dict.BindingList;
}
public CipherDictionary MostLikely()
{
var ret = new CipherDictionary(this.Count);
foreach (CipherPossibilities poss in this)
{
CipherPair ml = poss.MostLikely();
if (ml != null)
{
ret.Add(ml);
}
}
return(ret);
}
public static string Substitute(int[] data, CipherDictionary dict)
{
StringBuilder sb = new StringBuilder(data.Length);
for (int i = 0; i < data.Length; i++)
{
char c;
if (!dict.TryGetValue(data[i], out c))
{
c = UNKNOWN_CHAR;
}
sb.Append(c);
}
return(sb.ToString());
}
public void SaveDictFile(CipherDictionary dict, string path)
{
try
{
StreamWriter writer = File.CreateText(path);
foreach (CipherPair pair in dict)
{
writer.WriteLine("{1} = {0:X6}", 0x00FFFFFF & pair.Code, GetPrintableForm(pair.Value));
}
writer.Close();
}
catch (IOException e)
{
throw new ArgumentException("IO error saving file", "path", e);
}
}
public void BestGuess()
{
CipherPair eof = null;
if (data[data.Length - 1] == data[data.Length - 2] && data[data.Length - 1] == data[data.Length - 3])
{
eof = new CipherPair(data[data.Length - 1], (char)26);
}
var codelist = data.Distinct();
var dicts = new List <CipherPredictionDictionary>();
dicts.Add(CipherPredictionDictionary.SingleFrequencyPrediction(data, eof));
int spaceCode = dicts[0].Find(p => p.MostLikely().Value == ' ').MostLikely().Code;
dicts.Add(CipherPredictionDictionary.PairFrequencyPrediction(data, codelist, eof));
dicts.Add(CipherPredictionDictionary.FirstLetterPrediction(data, spaceCode));
dicts.Add(CipherPredictionDictionary.KnownWordPrediction(data, "<untranslatable>"));
preDict = CipherPredictionDictionary.AggregateProbabilities(dicts, codelist);
dict = preDict.MostLikely();
dict.AddMissingValues(codelist);
charsetView.DataSource = dict.BindingList;
}
