// Main program method that starts with application start
public static void Main()
{
// String to store user input
string userInput = "";
// Greet the user
System.Console.WriteLine("Hello, and welcome to the Huffman codes generator!");
System.Console.WriteLine("The program is simple to use,");
System.Console.WriteLine("just input the text consisting of letters a-z, A-Z and spaces.");
System.Console.WriteLine("The program will then generate a Huffman tree for your text,");
System.Console.WriteLine("encode it and decode back. \n");
// Prompt to write text
System.Console.WriteLine("Please, enter the text:");
// Bool for loop closure
bool loopEnd = false;
// Start text validation loop
while (!loopEnd)
{
userInput = System.Console.ReadLine();
if (TextCheck(userInput) && userInput.Length > 0)
{
loopEnd = true;
}
else
{
System.Console.WriteLine("Text input contains charactars other than a-z, A-Z and space");
System.Console.WriteLine("or is too small to be encoded. Please, try again");
}
}
// Create Huffman tree
Huffman tree = new Huffman(userInput);
// Store encoded text
string encodeResult = tree.Encode(userInput);
// Output result
System.Console.WriteLine("Encode result:");
System.Console.WriteLine(encodeResult);
System.Console.WriteLine("Decode result:");
System.Console.WriteLine(tree.Decode(encodeResult));
System.Console.ReadLine();
}
static void Main(string[] args)
{
while (true) // Run program continuously
{
Console.Write("Hello please enter a message: "); // Welcome message
String S = Console.ReadLine(); // Take string input
if (S == " ")
{
break;
}
Huffman h = new Huffman(S); // Create Huffman tree
String e = h.Encode(S); // Encoded message
Console.WriteLine("Encoded message: " + e); // Write encoded message
String d = h.Decode(e); // Decoded message
Console.WriteLine("Decoded message: " + d + "\n"); // Write decoded message
}
}