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Update MultiTapCipherDecode.mjs

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Added a new argument called Representation of space which is user configurable.
It allows the user to choose what to represent a space by.
It has the options of Hash(#), Period (.), Percent(%) and Ampersand (&).
This commit is contained in:
Kaustubh BM 2021-05-14 18:24:15 +05:30 • committed by GitHub
parent 0dedb109fe
commit ea7da0a824
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1 changed files with 10 additions and 3 deletions
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13
src/core/operations/MultiTapCipherDecode.mjs
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@ -6,6 +6,7 @@
import Utils from "../Utils.mjs"; import Utils from "../Utils.mjs";
import Operation from "../Operation.mjs"; import Operation from "../Operation.mjs";
import { getMultiTapMap } from "../lib/Ciphers.mjs";
import OperationError from "../errors/OperationError.mjs"; import OperationError from "../errors/OperationError.mjs";
/** /**
@ -30,6 +31,11 @@ class MultiTapCipherDecode extends Operation {
name: "Delimiter", name: "Delimiter",
type: "option", type: "option",
value: ["Hyphen","Space", "Comma", "Semi-colon", "Colon", "Line feed"] value: ["Hyphen","Space", "Comma", "Semi-colon", "Colon", "Line feed"]
},
{
name : "Representation of Space",
type: "option",
value: ["Hash","Period","Percent","Ampersand"]
} }
]; ];
} }
@ -43,13 +49,14 @@ class MultiTapCipherDecode extends Operation {
if(input.length == 0) if(input.length == 0)
return ""; return "";
const delim = Utils.charRep(args[0] || "Hyphen"); const delim = Utils.charRep(args[0] || "Hyphen");
var emap = {"2":"A","22":"B","222":"C","3":"D","33":"E","333":"F","4":"G","44":"H","444":"I","5":"J","55":"K","555":"L","6":"M","66":"N","666":"O","7":"P","77":"Q","777":"R","7777":"S","8":"T","88":"U","888":"V","9":"W","99":"X","999":"Y","9999":"Z"," ":" "} const space_delim = Utils.charRep(args[1] || "Hash");
var dmap = getMultiTapMap(2,space_delim);
var enc_list = input.split(delim); var enc_list = input.split(delim);
var plaintext = ""; var plaintext = "";
for(let i=0;i<enc_list.length;i++){ for(let i=0;i<enc_list.length;i++){
if(emap[enc_list[i]] == undefined) if(dmap[enc_list[i]] == undefined)
throw new OperationError("Invalid Input\nThe numbers must range from 2-9 and must be separated by the delimiter chosen"); throw new OperationError("Invalid Input\nThe numbers must range from 2-9 and must be separated by the delimiter chosen");
plaintext += emap[enc_list[i]]; plaintext += dmap[enc_list[i]];
} }
return plaintext; return plaintext;
} }