/// <summary>
/// Add letter to the end of the text
/// </summary>
public void AddLetter(string letter, Alphabet alpha)
{
int position;
if (this.caseSensitive == false)
{
this.orgCapital.Add(char.IsUpper(letter.ToCharArray()[0]));
position = alpha.GetPositionOfLetter(letter.ToLower());
}
else
{
position = alpha.GetPositionOfLetter(letter);
this.orgCapital.Add(false);
}
if (position >= 0)
{
this.text.Add(position);
}
else
{
this.notInAlphabet.Add(letter);
this.text.Add(-this.notInAlphabet.Count);
}
}
public List <Byte[]> ToSingleWords(Alphabet alpha)
{
int space = alpha.GetPositionOfLetter(" ");
List <Byte[]> result = new List <Byte[]>();
List <Byte> word = new List <Byte>();
for (int i = 0; i < this.text.Count; i++)
{
if (this.text[i] != space)
{
word.Add((byte)this.text[i]);
}
else
{
if (word != null && word.Count != 0)
{
result.Add(word.ToArray());
word = new List <Byte>();
}
}
}
if (word != null && word.Count != 0)
{
result.Add(word.ToArray());
word = new List <Byte>();
}
return(result);
}
private int[] KeyCreatedByMatch(int[] key, Alphabet cipher_alpha, string ct_word, Alphabet plain_alpha, string dic_word)
{
int[] newkey = new int[key.Length];
for (int i = 0; i < newkey.Length; i++)
{
newkey[i] = key[i];
}
int ct_index;
int pt_index;
for (int i = 0; i < ct_word.Length; i++)
{
ct_index = cipher_alpha.GetPositionOfLetter(ct_word.Substring(i, 1));
pt_index = plain_alpha.GetPositionOfLetter(dic_word.Substring(i, 1));
if ((!newkey.Contains(pt_index)) && (newkey[ct_index] == -1))
{
newkey[ct_index] = pt_index;
}
if ((newkey[ct_index] != pt_index) && (newkey[ct_index] != -1))
{
return(null);
}
}
return(newkey);
}
public Text(string text, Alphabet alpha, int treatmentInvalidChars, bool caseSensitive = false)
{
this.invalidCharProcess = treatmentInvalidChars;
this.caseSensitive = caseSensitive;
string curString = "";
string c = "";
string prep_text = text;
if (!this.caseSensitive)
{
for (int i = 0; i < prep_text.Length; i++)
{
bool status = false;
int j = 0;
do
{
j++;
curString = prep_text.Substring(i, j);
c = curString;
if (char.IsUpper(c.ToCharArray()[0]))
{
status = true;
c = c.ToLower();
}
}while (alpha.GetNumberOfLettersStartingWith(c) > 1);
if (alpha.GetNumberOfLettersStartingWith(c) == 1)
{
this.text.Add(alpha.GetPositionOfLetter(c));
this.orgCapital.Add(status);
}
else if (alpha.GetNumberOfLettersStartingWith(c) == 0)
{
this.notInAlphabet.Add(curString);
this.text.Add(-this.notInAlphabet.Count);
this.orgCapital.Add(false);
}
i += j - 1;
}
}
else
{
for (int i = 0; i < prep_text.Length; i++)
{
int j = 0;
do
{
j++;
curString = prep_text.Substring(i, j);
c = curString;
}while (alpha.GetNumberOfLettersStartingWith(c) > 1);
if (alpha.GetNumberOfLettersStartingWith(c) == 1)
{
this.text.Add(alpha.GetPositionOfLetter(c));
this.orgCapital.Add(false);
}
else if (alpha.GetNumberOfLettersStartingWith(c) == 0)
{
this.notInAlphabet.Add(curString);
this.text.Add(-this.notInAlphabet.Count);
this.orgCapital.Add(false);
}
i += j - 1;
}
}
}
