/// Translational Logic for Vigenere is here.
public string VigenereTranslate(string input)
{
if (string.IsNullOrWhiteSpace(input))
{
return(string.Empty); // no harm, no foul.
}
var map = RowPattern;
var cleaned = input.ToUpper().Replace(" ", "").Replace("'", "").Replace(",", "").Replace(".", "").Replace("!", "").Replace("-", "").Replace("?", "");
var phr = Paraphrase.ToUpper();
int phrase_offset = 0;
var matrix = VigenereMatrix;
var buffer = new StringBuilder();
for (var pos = 0; pos < cleaned.Length; pos++)
{
var row_char = cleaned[pos];
var col_char = phr[phrase_offset++];
var posX = map.IndexOf(row_char);
var posY = map.IndexOf(col_char);
var letter = matrix[posX][posY].ToString();
buffer.Append(letter);
if (phrase_offset >= phr.Length)
{
phrase_offset = 0;
}
}
return(buffer.ToString());
}
private void SaveParaphrase_Action()
{
if (string.IsNullOrWhiteSpace(Paraphrase) || Paraphrase.Length < 6)
{
MessageBox.Show("Your Paraphrase should be at least 6 characters, letters only.");
return;
}
if (!Paraphrase.All(ltr => "ABCDEFGHIJKLMNOPQRSTUVWXYZ".Contains(ltr.ToString().ToUpper())))
{
MessageBox.Show("Your Paraphrase should be letters only.");
return;
}
Paraphrase = Paraphrase.ToUpper();
ParaphraseInfinityBreadcrumb = Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase + Paraphrase;
TriggerTranslate();
}
