CyberChef/src/core/operations/ToMorseCode.mjs

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/**
* @author tlwr [toby@toby.codes]
* @copyright Crown Copyright 2017
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
import {LETTER_DELIM_OPTIONS, WORD_DELIM_OPTIONS} from "../lib/Delim.mjs";
/**
* To Morse Code operation
*/
class ToMorseCode extends Operation {
/**
* ToMorseCode constructor
*/
constructor() {
super();
this.name = "To Morse Code";
this.module = "Default";
this.description = "Translates alphanumeric characters into International Morse Code.<br><br>Ignores non-Morse characters.<br><br>e.g. <code>SOS</code> becomes <code>... --- ...</code>";
this.infoURL = "https://wikipedia.org/wiki/Morse_code";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Format options",
"type": "option",
"value": ["-/.", "_/.", "Dash/Dot", "DASH/DOT", "dash/dot"]
},
{
"name": "Letter delimiter",
"type": "option",
"value": LETTER_DELIM_OPTIONS
},
{
"name": "Word delimiter",
"type": "option",
"value": WORD_DELIM_OPTIONS
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
const format = args[0].split("/");
const dash = format[0];
const dot = format[1];
const letterDelim = Utils.charRep(args[1]);
const wordDelim = Utils.charRep(args[2]);
input = input.split(/\r?\n/);
input = Array.prototype.map.call(input, function(line) {
let words = line.split(/ +/);
words = Array.prototype.map.call(words, function(word) {
const letters = Array.prototype.map.call(word, function(character) {
const letter = character.toUpperCase();
if (typeof MORSE_TABLE[letter] == "undefined") {
return "";
}
return MORSE_TABLE[letter];
});
return letters.join("<ld>");
});
line = words.join("<wd>");
return line;
});
input = input.join("\n");
input = input.replace(
/<dash>|<dot>|<ld>|<wd>/g,
function(match) {
switch (match) {
case "<dash>": return dash;
case "<dot>": return dot;
case "<ld>": return letterDelim;
case "<wd>": return wordDelim;
}
}
);
return input;
}
}
const MORSE_TABLE = {
"A": "<dot><dash>",
"B": "<dash><dot><dot><dot>",
"C": "<dash><dot><dash><dot>",
"D": "<dash><dot><dot>",
"E": "<dot>",
"F": "<dot><dot><dash><dot>",
"G": "<dash><dash><dot>",
"H": "<dot><dot><dot><dot>",
"I": "<dot><dot>",
"J": "<dot><dash><dash><dash>",
"K": "<dash><dot><dash>",
"L": "<dot><dash><dot><dot>",
"M": "<dash><dash>",
"N": "<dash><dot>",
"O": "<dash><dash><dash>",
"P": "<dot><dash><dash><dot>",
"Q": "<dash><dash><dot><dash>",
"R": "<dot><dash><dot>",
"S": "<dot><dot><dot>",
"T": "<dash>",
"U": "<dot><dot><dash>",
"V": "<dot><dot><dot><dash>",
"W": "<dot><dash><dash>",
"X": "<dash><dot><dot><dash>",
"Y": "<dash><dot><dash><dash>",
"Z": "<dash><dash><dot><dot>",
"1": "<dot><dash><dash><dash><dash>",
"2": "<dot><dot><dash><dash><dash>",
"3": "<dot><dot><dot><dash><dash>",
"4": "<dot><dot><dot><dot><dash>",
"5": "<dot><dot><dot><dot><dot>",
"6": "<dash><dot><dot><dot><dot>",
"7": "<dash><dash><dot><dot><dot>",
"8": "<dash><dash><dash><dot><dot>",
"9": "<dash><dash><dash><dash><dot>",
"0": "<dash><dash><dash><dash><dash>",
".": "<dot><dash><dot><dash><dot><dash>",
",": "<dash><dash><dot><dot><dash><dash>",
":": "<dash><dash><dash><dot><dot><dot>",
";": "<dash><dot><dash><dot><dash><dot>",
"!": "<dash><dot><dash><dot><dash><dash>",
"?": "<dot><dot><dash><dash><dot><dot>",
"'": "<dot><dash><dash><dash><dash><dot>",
"\"": "<dot><dash><dot><dot><dash><dot>",
"/": "<dash><dot><dot><dash><dot>",
"-": "<dash><dot><dot><dot><dot><dash>",
"+": "<dot><dash><dot><dash><dot>",
"(": "<dash><dot><dash><dash><dot>",
")": "<dash><dot><dash><dash><dot><dash>",
"@": "<dot><dash><dash><dot><dash><dot>",
"=": "<dash><dot><dot><dot><dash>",
"&": "<dot><dash><dot><dot><dot>",
"_": "<dot><dot><dash><dash><dot><dash>",
"$": "<dot><dot><dot><dash><dot><dot><dash>",
" ": "<dot><dot><dot><dot><dot><dot><dot>"
};
export default ToMorseCode;