static void Main(string[] args)
{
MyString myStr;
Alphabet alphabet;
String givenString;
String[] tokens = new string[100];
string a;
System.ConsoleKeyInfo c;
do
{
Console.WriteLine("ENTER A VALID ALPHABET");
alphabet = new Alphabet(Console.ReadLine());
if (!alphabet.isValid())
{
Console.WriteLine("INVALID ALPHABET");
Console.Clear();
}
// Console.Clear();
} while (!alphabet.isValid());
String[] inputs = { "a", "b", "c" };
Console.WriteLine("ENTER NUMBER OF STATES");
int noOfStates = Convert.ToInt32(Console.ReadLine());
State[] states = new State[noOfStates];
DFA dfa = new DFA(alphabet.getTokens(), noOfStates);
for (int i = 0; i < noOfStates; i++)
{
for (int j = 0; j < alphabet.getsCount(); j++)
{
Console.Write("STATE : " + (i + 1) + " INPUT : " + alphabet.getTokenAt(j) + "\nTRANSITION TO: ");
dfa.getStateAt(i).setTransitionAt(dfa.getStateAt(Convert.ToInt32(Console.ReadLine()) - 1), j);
Console.WriteLine();
}
Console.WriteLine();
Console.WriteLine();
}
Console.Write("Number Of Final States: ");
int f = Convert.ToInt32(Console.ReadLine());
Console.WriteLine();
Console.WriteLine();
for (int i = 0; i < f; i++)
{
Console.Write("FINAL STATE 1: ");
dfa.getStateAt(Convert.ToInt32(Console.ReadLine()) - 1).setFinal();
Console.WriteLine();
}
{
Console.WriteLine("ENTER A VALID STRING");
myStr = new MyString(Console.ReadLine(), alphabet);
Console.WriteLine();
Console.WriteLine();
} while (!myStr.isValid())
{
;
}
if (dfa.verify(myStr.getTokenizedStr()))
{
Console.WriteLine("THE GIVEN STRING IS SATISFYING THE DFA");
}
else
{
Console.WriteLine("THE GIVEN STRING IS NOT SATISFYING THE DFA");
}
do
{
Console.WriteLine("ENTER A VALID STRING");
myStr = new MyString(Console.ReadLine(), alphabet);
Console.WriteLine();
Console.WriteLine();
} while (!myStr.isValid());
Console.WriteLine("L E N G T H {0}\nR E V E R S E OF STRING IS {1}", myStr.getCount(), myStr.reverseString());
Console.WriteLine("ENTER LENGTH, ENTER 'A' FOR ALL POSSIBLE COMBINATIONS");
a = Console.ReadLine();
try
{
alphabet.generateStrings(Convert.ToInt32(a));
}
catch (Exception)
{
if (a == "A")
{
alphabet.generateStrings();
Console.WriteLine(".................");
}
else
{
Console.WriteLine("Enter a valid input");
}
}
}
void tokenize()
{
String[] tokenisedString = new string[100];
int strPtr = 0, strArrayPtr = 0, i = 0, j = 0;
bool flag = true, validString = true;
string temp = "";
while (strPtr < str.Length && i < alphabet.getsCount())
{
flag = true;
if (str[strPtr] == alphabet.getTokenAt(i)[j])
{
temp = "";
int tempStrPtr = strPtr;
for (int k = 0; k < alphabet.getTokenAt(i).Length; k++)
{
if (str[tempStrPtr] != alphabet.getTokenAt(i)[k])
{
flag = false;
temp = "";
break;
}
else
{
temp += str[tempStrPtr];
}
tempStrPtr++;
}
if (flag)
{
tokenisedString[strArrayPtr++] = temp;
strPtr = tempStrPtr;
i = 0;
j = 0;
}
else
{
if (i < alphabet.getsCount())
{
i++;
j = 0;
}
else
{
validString = false;
break;
}
}
}
else
{
i++;
}
}
if (i >= alphabet.getsCount())
{
validString = false;
}
this.valid = validString;
this.tokenizedString = new string[strArrayPtr];
for (int n = 0; n < strArrayPtr; n++)
{
tokenizedString[n] = tokenisedString[n];
}
this.count = strArrayPtr;
}