mirror of https://github.com/gchq/CyberChef.git
62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
/**
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* @author Jarmo van Lenthe [github.com/jarmovanlenthe]
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* @copyright Crown Copyright 2018
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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import Utils from "../Utils.mjs";
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import {DELIM_OPTIONS} from "../lib/Delim.mjs";
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/**
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* A1Z26 Cipher Encode operation
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*/
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class A1Z26CipherEncode extends Operation {
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/**
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* A1Z26CipherEncode constructor
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*/
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constructor() {
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super();
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this.name = "A1Z26 Cipher Encode";
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this.module = "Ciphers";
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this.description = "Converts alphabet characters into their corresponding alphabet order number.<br><br>e.g. <code>a</code> becomes <code>1</code> and <code>b</code> becomes <code>2</code>.<br><br>Non-alphabet characters are dropped.";
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this.infoURL = "";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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name: "Delimiter",
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type: "option",
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value: DELIM_OPTIONS
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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const delim = Utils.charRep(args[0] || "Space");
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let output = "";
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const sanitizedinput = input.toLowerCase(),
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charcode = Utils.strToCharcode(sanitizedinput);
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for (let i = 0; i < charcode.length; i++) {
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const ordinal = charcode[i] - 96;
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if (ordinal > 0 && ordinal <= 26) {
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output += ordinal.toString(10) + delim;
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}
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}
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return output.slice(0, -delim.length);
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}
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}
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export default A1Z26CipherEncode;
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