public Caesar(int key)
{
foreach (char letter in DEFAULT_ALPHABET)
{
char encodedLetter = DEFAULT_ALPHABET[(DEFAULT_ALPHABET.IndexOf(letter) + key) % DEFAULT_ALPHABET.Count];
EncodeAlphabet.Add(letter, encodedLetter);
DecodeAlphabet.Add(encodedLetter, letter);
}
}
public Caesar(string wordKey, int key)
{
IEnumerable <char> wordKeyUnique = wordKey
.ToLower()
.ToCharArray()
.Where(letter => char.IsLetter(letter))
.Distinct();
int keySize = wordKeyUnique.Count();
IEnumerable <char> other = DEFAULT_ALPHABET.Except(wordKeyUnique);
char[] encodeAlphabet = other
.Skip(DEFAULT_ALPHABET.Count - key - keySize)
.Concat(wordKeyUnique)
.Concat(other.Take(DEFAULT_ALPHABET.Count - key - keySize))
.ToArray();
for (int i = 0; i < DEFAULT_ALPHABET.Count; ++i)
{
EncodeAlphabet.Add(DEFAULT_ALPHABET[i], encodeAlphabet[i]);
DecodeAlphabet.Add(encodeAlphabet[i], DEFAULT_ALPHABET[i]);
}
}