92 lines
3.8 KiB
Plaintext
92 lines
3.8 KiB
Plaintext
using System;
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using System.Linq;
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using System.IO;
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using System.Text;
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using System.Collections.Generic;
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namespace AniNIX.Crypto {
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public class Simple : Cipher {
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//Cipher description to be set by each cipher.
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public override String Description() { return "This is a suite of simple text ops."; }
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public override String Command() { return "simple"; }
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public Simple(Workbench w) : base (w) {}
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/// <summary>
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/// We should be able to act on a workspace and command line. Most ciphers will sue the same syntax. Those that don't can override.
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/// </summary>
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/// <param name=workSpace>The current version of the text being worked on.</param>
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/// <param name=line>The command sequence.</param>
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/// <returns>The updated version of the workSpace</returns>
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public override String RunCommand(String workSpace,String inputText,String[] line) {
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if (workSpace == null || line == null || line.Length < 2) {
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Console.Error.WriteLine("Malformed request.");
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return workSpace;
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}
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switch (line[1]) {
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case "shiftup":
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return ShiftUpper(workSpace);
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case "shiftdown":
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return ShiftLower(workSpace);
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case "stripspace":
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return StripSpaces(workSpace);
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case "reverse":
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return ReverseString(workSpace);
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case "help":
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case "":
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GetHelp();
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return workSpace;
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default:
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Console.Error.WriteLine("Invalid command. Type help for more.");
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return workSpace;
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}
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}
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/// <summary>
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/// Show the helptext for this cipher. By default, most ciphers will only have encrypt, decrypt, and help functions.
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/// </summary>
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/// <param name=line>This is the incoming line and we use it to get the cipher name</param>
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public override void GetHelp() {
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Console.WriteLine(String.Format("Help for the {0} cipher suite.\n{1}\n",Command(),Description()));
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Console.WriteLine("Usage:\nsimple shiftup -- Make all uppercase\nsimple shiftdown -- Make all lowercase\nsimple stripspace -- strip spaces from String\nsimple reverse -- reverse the string\nsimple help -- show this helptext.");
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}
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public String ShiftUpper(String workSpace) {
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char[] changed = workSpace.ToCharArray();
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for (int i = 0; i < changed.Length; i++) {
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if (Char.IsLower(changed[i])) {
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changed[i] = Char.ToUpper(changed[i]);
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}
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}
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return new String(changed);
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}
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public String ShiftLower(String workSpace) {
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char[] changed = workSpace.ToCharArray();
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for (int i = 0; i < changed.Length; i++) {
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if (Char.IsUpper(changed[i])) {
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changed[i] = Char.ToLower(changed[i]);
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}
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}
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return new String(changed);
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}
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public String StripSpaces(String workSpace) {
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String changed = workSpace.Replace(" ","");
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return changed;
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}
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public String ReverseString(String workSpace) {
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char[] charArray = workSpace.ToCharArray();
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Array.Reverse(charArray);
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return new String(charArray);
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}
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//Simple doesn't handle encryption or decryption, but we want to use the same code for subscribing.
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public override String Encrypt(string workSpace,String ciphetText,String[] line) { return workSpace; }
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public override String Decrypt(string workSpace,String ciphetText,String[] line) { return workSpace; }
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}
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}
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