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MainWindow.xaml.cs
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MainWindow.xaml.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace Farfallino___Cifrario_di_Cesare
{
/// <summary>
/// Logica di interazione per MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void ClearAllElements()
{
plainText_ListBox.Items.Clear();
cesare_ListBox.Items.Clear();
farfallino_ListBox.Items.Clear();
}
private string Caesar(string textToCypher,int key)
{
char[] textEncrypted = textToCypher.ToCharArray();
for (int i = 0; i < textEncrypted.Length; i++)
{
if ((textEncrypted[i] >= 'A') && (textEncrypted[i] <= 'Z'))
{ //if char is upperCase...
if ((textEncrypted[i] += (char)key) > 'Z')
{
textEncrypted[i]=(char)('A'+(textEncrypted[i]-'Z')-1);
}
}
else if ((textEncrypted[i] >= 'a') && (textEncrypted[i] <= 'z'))
{ //if char is lowerCase
if ((textEncrypted[i] += (char)key) > 'z')
{
textEncrypted[i] = (char)('a' + (textEncrypted[i]-'z')-1);
}
}
else
{
textEncrypted[i] = '\0';
}
}
return new string(textEncrypted);
}
private string Farfallinatore(string textToCypher)
{
string setVocali = "aeiouAEIOU";
foreach(char c in setVocali)
{
textToCypher = textToCypher.Replace(Convert.ToString(c), c + (Char.IsUpper(c) ? "F" : "f") + c);
}
return textToCypher;
}
private void cifra_Button_Click(object sender, RoutedEventArgs e)
{
ClearAllElements();
try
{
plainText_ListBox.Items.Add(testoDaCifrare_textBox.Text);
cesare_ListBox.Items.Add(Caesar(testoDaCifrare_textBox.Text, Convert.ToInt32(Chiave_IntegerUpDown.Value)));
farfallino_ListBox.Items.Add(Farfallinatore(testoDaCifrare_textBox.Text));
}
catch (Exception ex)
{
MessageBox.Show("An error occurred while parsing input.");
}
}
}
}