Sha256: ca89f30b59c045c70dfe5d3e2fb1113fda4864e1c38139a1f5adcc65e348b5a4
Contents?: true
Size: 744 Bytes
Versions: 209
Compression:
Stored size: 744 Bytes
Contents
using System;
using System.Linq;
public static class RotationalCipher
{
private const string LowerCaseLetters = "abcdefghijklmnopqrstuvwxyz";
private const string UpperCaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
public static string Rotate(string text, int shiftKey)
=> new string(text.Select(letter => Rotate(letter, shiftKey)).ToArray());
private static char Rotate(char letter, int shiftKey)
{
if (!char.IsLetter(letter))
return letter;
return Rotate(letter, shiftKey, char.IsLower(letter) ? LowerCaseLetters : UpperCaseLetters);
}
private static char Rotate(char letter, int shiftKey, string key)
=> key[(key.IndexOf(letter) + shiftKey) % key.Length];
}
Version data entries
209 entries across 209 versions & 1 rubygems