ESM: Ported HTML, Unicode, Quoted Printable and Endian operations
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79
src/core/operations/EscapeUnicodeCharacters.mjs
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79
src/core/operations/EscapeUnicodeCharacters.mjs
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/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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/**
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* Escape Unicode Characters operation
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*/
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class EscapeUnicodeCharacters extends Operation {
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/**
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* EscapeUnicodeCharacters constructor
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*/
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constructor() {
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super();
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this.name = "Escape Unicode Characters";
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this.module = "Default";
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this.description = "Converts characters to their unicode-escaped notations.<br><br>Supports the prefixes:<ul><li><code>\\u</code></li><li><code>%u</code></li><li><code>U+</code></li></ul>e.g. <code>σου</code> becomes <code>\\u03C3\\u03BF\\u03C5</code>";
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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": "Prefix",
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"type": "option",
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"value": ["\\u", "%u", "U+"]
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},
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{
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"name": "Encode all chars",
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"type": "boolean",
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"value": false
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},
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{
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"name": "Padding",
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"type": "number",
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"value": 4
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},
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{
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"name": "Uppercase hex",
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"type": "boolean",
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"value": true
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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 regexWhitelist = /[ -~]/i,
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[prefix, encodeAll, padding, uppercaseHex] = args;
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let output = "",
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character = "";
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for (let i = 0; i < input.length; i++) {
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character = input[i];
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if (!encodeAll && regexWhitelist.test(character)) {
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// It’s a printable ASCII character so don’t escape it.
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output += character;
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continue;
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}
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let cp = character.codePointAt(0).toString(16);
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if (uppercaseHex) cp = cp.toUpperCase();
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output += prefix + cp.padStart(padding, "0");
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}
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return output;
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}
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}
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export default EscapeUnicodeCharacters;
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335
src/core/operations/FromHTMLEntity.mjs
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335
src/core/operations/FromHTMLEntity.mjs
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@ -0,0 +1,335 @@
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/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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import Utils from "../Utils";
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/**
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* From HTML Entity operation
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*/
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class FromHTMLEntity extends Operation {
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/**
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* FromHTMLEntity constructor
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*/
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constructor() {
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super();
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this.name = "From HTML Entity";
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this.module = "Default";
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this.description = "Converts HTML entities back to characters<br><br>e.g. <code>&<span>amp;</span></code> becomes <code>&</code>";
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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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/**
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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 regex = /&(#?x?[a-zA-Z0-9]{1,8});/g;
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let output = "",
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m,
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i = 0;
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while ((m = regex.exec(input))) {
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// Add up to match
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for (; i < m.index;)
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output += input[i++];
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// Add match
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const bite = entityToByte[m[1]];
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if (bite) {
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output += Utils.chr(bite);
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} else if (!bite && m[1][0] === "#" && m[1].length > 1 && /^#\d{1,6}$/.test(m[1])) {
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// Numeric entity (e.g. )
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const num = m[1].slice(1, m[1].length);
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output += Utils.chr(parseInt(num, 10));
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} else if (!bite && m[1][0] === "#" && m[1].length > 3 && /^#x[\dA-F]{2,8}$/i.test(m[1])) {
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// Hex entity (e.g. :)
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const hex = m[1].slice(2, m[1].length);
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output += Utils.chr(parseInt(hex, 16));
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} else {
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// Not a valid entity, print as normal
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for (; i < regex.lastIndex;)
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output += input[i++];
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}
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i = regex.lastIndex;
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}
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// Add all after final match
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for (; i < input.length;)
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output += input[i++];
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return output;
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}
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}
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/**
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* Lookup table to translate HTML entity codes to their byte values.
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*/
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const entityToByte = {
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"quot": 34,
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"amp": 38,
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"apos": 39,
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"lt": 60,
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"gt": 62,
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"nbsp": 160,
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"iexcl": 161,
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"cent": 162,
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"pound": 163,
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"curren": 164,
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"yen": 165,
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"brvbar": 166,
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"sect": 167,
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"uml": 168,
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"copy": 169,
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"ordf": 170,
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"laquo": 171,
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"not": 172,
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"shy": 173,
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"reg": 174,
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"macr": 175,
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"deg": 176,
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"plusmn": 177,
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"sup2": 178,
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"sup3": 179,
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"acute": 180,
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"micro": 181,
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"para": 182,
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"middot": 183,
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"cedil": 184,
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"sup1": 185,
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"ordm": 186,
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"raquo": 187,
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"frac14": 188,
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"frac12": 189,
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"frac34": 190,
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"iquest": 191,
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"Agrave": 192,
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"Aacute": 193,
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"Acirc": 194,
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"Atilde": 195,
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"Auml": 196,
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"Aring": 197,
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"AElig": 198,
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"Ccedil": 199,
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"Egrave": 200,
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"Eacute": 201,
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"Ecirc": 202,
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"Euml": 203,
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"Igrave": 204,
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"Iacute": 205,
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"Icirc": 206,
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"Iuml": 207,
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"ETH": 208,
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"Ntilde": 209,
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"Ograve": 210,
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"Oacute": 211,
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"Ocirc": 212,
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"Otilde": 213,
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"Ouml": 214,
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"times": 215,
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"Oslash": 216,
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"Ugrave": 217,
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"Uacute": 218,
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"Ucirc": 219,
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"Uuml": 220,
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"Yacute": 221,
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"THORN": 222,
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"szlig": 223,
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"agrave": 224,
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"aacute": 225,
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"acirc": 226,
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"atilde": 227,
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"auml": 228,
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"aring": 229,
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"aelig": 230,
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"ccedil": 231,
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"egrave": 232,
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"eacute": 233,
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"ecirc": 234,
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"euml": 235,
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"igrave": 236,
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"iacute": 237,
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"icirc": 238,
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"iuml": 239,
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"eth": 240,
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"ntilde": 241,
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"ograve": 242,
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"oacute": 243,
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"ocirc": 244,
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"otilde": 245,
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"ouml": 246,
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"divide": 247,
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"oslash": 248,
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"ugrave": 249,
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"uacute": 250,
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"ucirc": 251,
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"uuml": 252,
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"yacute": 253,
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"thorn": 254,
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"yuml": 255,
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"OElig": 338,
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"oelig": 339,
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"Scaron": 352,
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"scaron": 353,
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"Yuml": 376,
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"fnof": 402,
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"circ": 710,
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"tilde": 732,
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"Alpha": 913,
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"Beta": 914,
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"Gamma": 915,
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"Delta": 916,
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"Epsilon": 917,
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"Zeta": 918,
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"Eta": 919,
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"Theta": 920,
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"Iota": 921,
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"Kappa": 922,
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"Lambda": 923,
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"Mu": 924,
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"Nu": 925,
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"Xi": 926,
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"Omicron": 927,
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"Pi": 928,
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"Rho": 929,
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"Sigma": 931,
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"Tau": 932,
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"Upsilon": 933,
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"Phi": 934,
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"Chi": 935,
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"Psi": 936,
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"Omega": 937,
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"alpha": 945,
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"beta": 946,
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"gamma": 947,
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"delta": 948,
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"epsilon": 949,
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"zeta": 950,
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"eta": 951,
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"theta": 952,
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"iota": 953,
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"kappa": 954,
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"lambda": 955,
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"mu": 956,
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"nu": 957,
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"xi": 958,
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"omicron": 959,
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"pi": 960,
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"rho": 961,
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"sigmaf": 962,
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"sigma": 963,
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"tau": 964,
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"upsilon": 965,
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"phi": 966,
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"chi": 967,
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"psi": 968,
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"omega": 969,
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"thetasym": 977,
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"upsih": 978,
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"piv": 982,
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"ensp": 8194,
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"emsp": 8195,
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"thinsp": 8201,
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"zwnj": 8204,
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"zwj": 8205,
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"lrm": 8206,
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"rlm": 8207,
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"ndash": 8211,
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"mdash": 8212,
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"lsquo": 8216,
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"rsquo": 8217,
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"sbquo": 8218,
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"ldquo": 8220,
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"rdquo": 8221,
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"bdquo": 8222,
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"dagger": 8224,
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"Dagger": 8225,
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"bull": 8226,
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"hellip": 8230,
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"permil": 8240,
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"prime": 8242,
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"Prime": 8243,
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"lsaquo": 8249,
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"rsaquo": 8250,
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"oline": 8254,
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"frasl": 8260,
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"euro": 8364,
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"image": 8465,
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"weierp": 8472,
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"real": 8476,
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"trade": 8482,
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"alefsym": 8501,
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"larr": 8592,
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"uarr": 8593,
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"rarr": 8594,
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"darr": 8595,
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"harr": 8596,
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"crarr": 8629,
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"lArr": 8656,
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"uArr": 8657,
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"rArr": 8658,
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"dArr": 8659,
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"hArr": 8660,
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"forall": 8704,
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"part": 8706,
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"exist": 8707,
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"empty": 8709,
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"nabla": 8711,
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"isin": 8712,
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"notin": 8713,
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"ni": 8715,
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"prod": 8719,
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"sum": 8721,
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"minus": 8722,
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"lowast": 8727,
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"radic": 8730,
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"prop": 8733,
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"infin": 8734,
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"ang": 8736,
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"and": 8743,
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"or": 8744,
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"cap": 8745,
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"cup": 8746,
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"int": 8747,
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"there4": 8756,
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"sim": 8764,
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"cong": 8773,
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"asymp": 8776,
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"ne": 8800,
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"equiv": 8801,
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"le": 8804,
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"ge": 8805,
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"sub": 8834,
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"sup": 8835,
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"nsub": 8836,
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"sube": 8838,
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"supe": 8839,
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"oplus": 8853,
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"otimes": 8855,
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"perp": 8869,
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"sdot": 8901,
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"vellip": 8942,
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"lceil": 8968,
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"rceil": 8969,
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"lfloor": 8970,
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"rfloor": 8971,
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"lang": 9001,
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"rang": 9002,
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"loz": 9674,
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"spades": 9824,
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"clubs": 9827,
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"hearts": 9829,
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"diams": 9830,
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};
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export default FromHTMLEntity;
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61
src/core/operations/FromQuotedPrintable.mjs
Normal file
61
src/core/operations/FromQuotedPrintable.mjs
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/**
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* Some parts taken from mimelib (http://github.com/andris9/mimelib)
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* @author Andris Reinman
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* @license MIT
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation";
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/**
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* From Quoted Printable operation
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*/
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class FromQuotedPrintable extends Operation {
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/**
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* FromQuotedPrintable constructor
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*/
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constructor() {
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super();
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this.name = "From Quoted Printable";
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this.module = "Default";
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this.description = "Converts QP-encoded text back to standard text.";
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this.inputType = "string";
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this.outputType = "byteArray";
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this.args = [];
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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 {byteArray}
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||||
*/
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run(input, args) {
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const str = input.replace(/=(?:\r?\n|$)/g, "");
|
||||
|
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const encodedBytesCount = (str.match(/=[\da-fA-F]{2}/g) || []).length,
|
||||
bufferLength = str.length - encodedBytesCount * 2,
|
||||
buffer = new Array(bufferLength);
|
||||
let chr, hex,
|
||||
bufferPos = 0;
|
||||
|
||||
for (let i = 0, len = str.length; i < len; i++) {
|
||||
chr = str.charAt(i);
|
||||
if (chr === "=" && (hex = str.substr(i + 1, 2)) && /[\da-fA-F]{2}/.test(hex)) {
|
||||
buffer[bufferPos++] = parseInt(hex, 16);
|
||||
i += 2;
|
||||
continue;
|
||||
}
|
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buffer[bufferPos++] = chr.charCodeAt(0);
|
||||
}
|
||||
|
||||
return buffer;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default FromQuotedPrintable;
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195
src/core/operations/ParseColourCode.mjs
Normal file
195
src/core/operations/ParseColourCode.mjs
Normal file
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/**
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* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
|
||||
/**
|
||||
* Parse colour code operation
|
||||
*/
|
||||
class ParseColourCode extends Operation {
|
||||
|
||||
/**
|
||||
* ParseColourCode constructor
|
||||
*/
|
||||
constructor() {
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||||
super();
|
||||
|
||||
this.name = "Parse colour code";
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||||
this.module = "Default";
|
||||
this.description = "Converts a colour code in a standard format to other standard formats and displays the colour itself.<br><br><strong>Example inputs</strong><ul><li><code>#d9edf7</code></li><li><code>rgba(217,237,247,1)</code></li><li><code>hsla(200,65%,91%,1)</code></li><li><code>cmyk(0.12, 0.04, 0.00, 0.03)</code></li></ul>";
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||||
this.inputType = "string";
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this.outputType = "html";
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||||
this.args = [];
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||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {html}
|
||||
*/
|
||||
run(input, args) {
|
||||
let m = null,
|
||||
r = 0, g = 0, b = 0, a = 1;
|
||||
|
||||
// Read in the input
|
||||
if ((m = input.match(/#([a-f0-9]{2})([a-f0-9]{2})([a-f0-9]{2})/i))) {
|
||||
// Hex - #d9edf7
|
||||
r = parseInt(m[1], 16);
|
||||
g = parseInt(m[2], 16);
|
||||
b = parseInt(m[3], 16);
|
||||
} else if ((m = input.match(/rgba?\((\d{1,3}(?:\.\d+)?),\s?(\d{1,3}(?:\.\d+)?),\s?(\d{1,3}(?:\.\d+)?)(?:,\s?(\d(?:\.\d+)?))?\)/i))) {
|
||||
// RGB or RGBA - rgb(217,237,247) or rgba(217,237,247,1)
|
||||
r = parseFloat(m[1]);
|
||||
g = parseFloat(m[2]);
|
||||
b = parseFloat(m[3]);
|
||||
a = m[4] ? parseFloat(m[4]) : 1;
|
||||
} else if ((m = input.match(/hsla?\((\d{1,3}(?:\.\d+)?),\s?(\d{1,3}(?:\.\d+)?)%,\s?(\d{1,3}(?:\.\d+)?)%(?:,\s?(\d(?:\.\d+)?))?\)/i))) {
|
||||
// HSL or HSLA - hsl(200, 65%, 91%) or hsla(200, 65%, 91%, 1)
|
||||
const h_ = parseFloat(m[1]) / 360,
|
||||
s_ = parseFloat(m[2]) / 100,
|
||||
l_ = parseFloat(m[3]) / 100,
|
||||
rgb_ = ParseColourCode._hslToRgb(h_, s_, l_);
|
||||
|
||||
r = rgb_[0];
|
||||
g = rgb_[1];
|
||||
b = rgb_[2];
|
||||
a = m[4] ? parseFloat(m[4]) : 1;
|
||||
} else if ((m = input.match(/cmyk\((\d(?:\.\d+)?),\s?(\d(?:\.\d+)?),\s?(\d(?:\.\d+)?),\s?(\d(?:\.\d+)?)\)/i))) {
|
||||
// CMYK - cmyk(0.12, 0.04, 0.00, 0.03)
|
||||
const c_ = parseFloat(m[1]),
|
||||
m_ = parseFloat(m[2]),
|
||||
y_ = parseFloat(m[3]),
|
||||
k_ = parseFloat(m[4]);
|
||||
|
||||
r = Math.round(255 * (1 - c_) * (1 - k_));
|
||||
g = Math.round(255 * (1 - m_) * (1 - k_));
|
||||
b = Math.round(255 * (1 - y_) * (1 - k_));
|
||||
}
|
||||
|
||||
const hsl_ = ParseColourCode._rgbToHsl(r, g, b),
|
||||
h = Math.round(hsl_[0] * 360),
|
||||
s = Math.round(hsl_[1] * 100),
|
||||
l = Math.round(hsl_[2] * 100);
|
||||
let k = 1 - Math.max(r/255, g/255, b/255),
|
||||
c = (1 - r/255 - k) / (1 - k),
|
||||
y = (1 - b/255 - k) / (1 - k);
|
||||
|
||||
m = (1 - g/255 - k) / (1 - k);
|
||||
|
||||
c = isNaN(c) ? "0" : c.toFixed(2);
|
||||
m = isNaN(m) ? "0" : m.toFixed(2);
|
||||
y = isNaN(y) ? "0" : y.toFixed(2);
|
||||
k = k.toFixed(2);
|
||||
|
||||
const hex = "#" +
|
||||
Math.round(r).toString(16).padStart(2, "0") +
|
||||
Math.round(g).toString(16).padStart(2, "0") +
|
||||
Math.round(b).toString(16).padStart(2, "0"),
|
||||
rgb = "rgb(" + r + ", " + g + ", " + b + ")",
|
||||
rgba = "rgba(" + r + ", " + g + ", " + b + ", " + a + ")",
|
||||
hsl = "hsl(" + h + ", " + s + "%, " + l + "%)",
|
||||
hsla = "hsla(" + h + ", " + s + "%, " + l + "%, " + a + ")",
|
||||
cmyk = "cmyk(" + c + ", " + m + ", " + y + ", " + k + ")";
|
||||
|
||||
// Generate output
|
||||
return `<div id="colorpicker" style="display: inline-block"></div>
|
||||
Hex: ${hex}
|
||||
RGB: ${rgb}
|
||||
RGBA: ${rgba}
|
||||
HSL: ${hsl}
|
||||
HSLA: ${hsla}
|
||||
CMYK: ${cmyk}
|
||||
<script>
|
||||
$('#colorpicker').colorpicker({
|
||||
format: 'rgba',
|
||||
color: '${rgba}',
|
||||
container: true,
|
||||
inline: true,
|
||||
}).on('changeColor', function(e) {
|
||||
var color = e.color.toRGB();
|
||||
document.getElementById('input-text').value = 'rgba(' +
|
||||
color.r + ', ' + color.g + ', ' + color.b + ', ' + color.a + ')';
|
||||
window.app.autoBake();
|
||||
});
|
||||
</script>`;
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts an HSL color value to RGB. Conversion formula
|
||||
* adapted from http://en.wikipedia.org/wiki/HSL_colorSpace.
|
||||
* Assumes h, s, and l are contained in the set [0, 1] and
|
||||
* returns r, g, and b in the set [0, 255].
|
||||
*
|
||||
* @author Mohsen (http://stackoverflow.com/a/9493060)
|
||||
*
|
||||
* @param {number} h - The hue
|
||||
* @param {number} s - The saturation
|
||||
* @param {number} l - The lightness
|
||||
* @return {Array} The RGB representation
|
||||
*/
|
||||
static _hslToRgb(h, s, l) {
|
||||
let r, g, b;
|
||||
|
||||
if (s === 0){
|
||||
r = g = b = l; // achromatic
|
||||
} else {
|
||||
const hue2rgb = function hue2rgb(p, q, t) {
|
||||
if (t < 0) t += 1;
|
||||
if (t > 1) t -= 1;
|
||||
if (t < 1/6) return p + (q - p) * 6 * t;
|
||||
if (t < 1/2) return q;
|
||||
if (t < 2/3) return p + (q - p) * (2/3 - t) * 6;
|
||||
return p;
|
||||
};
|
||||
|
||||
const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
|
||||
const p = 2 * l - q;
|
||||
r = hue2rgb(p, q, h + 1/3);
|
||||
g = hue2rgb(p, q, h);
|
||||
b = hue2rgb(p, q, h - 1/3);
|
||||
}
|
||||
|
||||
return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
|
||||
}
|
||||
|
||||
/**
|
||||
* Converts an RGB color value to HSL. Conversion formula
|
||||
* adapted from http://en.wikipedia.org/wiki/HSL_colorSpace.
|
||||
* Assumes r, g, and b are contained in the set [0, 255] and
|
||||
* returns h, s, and l in the set [0, 1].
|
||||
*
|
||||
* @author Mohsen (http://stackoverflow.com/a/9493060)
|
||||
*
|
||||
* @param {number} r - The red color value
|
||||
* @param {number} g - The green color value
|
||||
* @param {number} b - The blue color value
|
||||
* @return {Array} The HSL representation
|
||||
*/
|
||||
static _rgbToHsl(r, g, b) {
|
||||
r /= 255; g /= 255; b /= 255;
|
||||
const max = Math.max(r, g, b),
|
||||
min = Math.min(r, g, b),
|
||||
l = (max + min) / 2;
|
||||
let h, s;
|
||||
|
||||
if (max === min) {
|
||||
h = s = 0; // achromatic
|
||||
} else {
|
||||
const d = max - min;
|
||||
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
|
||||
switch (max) {
|
||||
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
|
||||
case g: h = (b - r) / d + 2; break;
|
||||
case b: h = (r - g) / d + 4; break;
|
||||
}
|
||||
h /= 6;
|
||||
}
|
||||
|
||||
return [h, s, l];
|
||||
}
|
||||
}
|
||||
|
||||
export default ParseColourCode;
|
||||
65
src/core/operations/StripHTMLTags.mjs
Normal file
65
src/core/operations/StripHTMLTags.mjs
Normal file
@ -0,0 +1,65 @@
|
||||
/**
|
||||
* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import Utils from "../Utils";
|
||||
|
||||
/**
|
||||
* Strip HTML tags operation
|
||||
*/
|
||||
class StripHTMLTags extends Operation {
|
||||
|
||||
/**
|
||||
* StripHTMLTags constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "Strip HTML tags";
|
||||
this.module = "Default";
|
||||
this.description = "Removes all HTML tags from the input.";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
"name": "Remove indentation",
|
||||
"type": "boolean",
|
||||
"value": true
|
||||
},
|
||||
{
|
||||
"name": "Remove excess line breaks",
|
||||
"type": "boolean",
|
||||
"value": true
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
const [removeIndentation, removeLineBreaks] = args;
|
||||
|
||||
input = Utils.stripHtmlTags(input);
|
||||
|
||||
if (removeIndentation) {
|
||||
input = input.replace(/\n[ \f\t]+/g, "\n");
|
||||
}
|
||||
|
||||
if (removeLineBreaks) {
|
||||
input = input
|
||||
.replace(/^\s*\n/, "") // first line
|
||||
.replace(/(\n\s*){2,}/g, "\n"); // all others
|
||||
}
|
||||
|
||||
return input;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default StripHTMLTags;
|
||||
137
src/core/operations/SwapEndianness.mjs
Normal file
137
src/core/operations/SwapEndianness.mjs
Normal file
@ -0,0 +1,137 @@
|
||||
/**
|
||||
* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import Utils from "../Utils";
|
||||
import {toHex, fromHex} from "../lib/Hex";
|
||||
import OperationError from "../errors/OperationError";
|
||||
|
||||
/**
|
||||
* Swap endianness operation
|
||||
*/
|
||||
class SwapEndianness extends Operation {
|
||||
|
||||
/**
|
||||
* SwapEndianness constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "Swap endianness";
|
||||
this.module = "Default";
|
||||
this.description = "Switches the data from big-endian to little-endian or vice-versa. Data can be read in as hexadecimal or raw bytes. It will be returned in the same format as it is entered.";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
"name": "Data format",
|
||||
"type": "option",
|
||||
"value": ["Hex", "Raw"]
|
||||
},
|
||||
{
|
||||
"name": "Word length (bytes)",
|
||||
"type": "number",
|
||||
"value": 4
|
||||
},
|
||||
{
|
||||
"name": "Pad incomplete words",
|
||||
"type": "boolean",
|
||||
"value": true
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
const [dataFormat, wordLength, padIncompleteWords] = args,
|
||||
result = [],
|
||||
words = [];
|
||||
let i = 0,
|
||||
j = 0,
|
||||
data = [];
|
||||
|
||||
if (wordLength <= 0) {
|
||||
throw new OperationError("Word length must be greater than 0");
|
||||
}
|
||||
|
||||
// Convert input to raw data based on specified data format
|
||||
switch (dataFormat) {
|
||||
case "Hex":
|
||||
data = fromHex(input);
|
||||
break;
|
||||
case "Raw":
|
||||
data = Utils.strToByteArray(input);
|
||||
break;
|
||||
default:
|
||||
data = input;
|
||||
}
|
||||
|
||||
// Split up into words
|
||||
for (i = 0; i < data.length; i += wordLength) {
|
||||
const word = data.slice(i, i + wordLength);
|
||||
|
||||
// Pad word if too short
|
||||
if (padIncompleteWords && word.length < wordLength){
|
||||
for (j = word.length; j < wordLength; j++) {
|
||||
word.push(0);
|
||||
}
|
||||
}
|
||||
|
||||
words.push(word);
|
||||
}
|
||||
|
||||
// Swap endianness and flatten
|
||||
for (i = 0; i < words.length; i++) {
|
||||
j = words[i].length;
|
||||
while (j--) {
|
||||
result.push(words[i][j]);
|
||||
}
|
||||
}
|
||||
|
||||
// Convert data back to specified data format
|
||||
switch (dataFormat) {
|
||||
case "Hex":
|
||||
return toHex(result);
|
||||
case "Raw":
|
||||
return Utils.byteArrayToUtf8(result);
|
||||
default:
|
||||
return result;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Highlight Swap endianness
|
||||
*
|
||||
* @param {Object[]} pos
|
||||
* @param {number} pos[].start
|
||||
* @param {number} pos[].end
|
||||
* @param {Object[]} args
|
||||
* @returns {Object[]} pos
|
||||
*/
|
||||
highlight(pos, args) {
|
||||
return pos;
|
||||
}
|
||||
|
||||
/**
|
||||
* Highlight Swap endianness in reverse
|
||||
*
|
||||
* @param {Object[]} pos
|
||||
* @param {number} pos[].start
|
||||
* @param {number} pos[].end
|
||||
* @param {Object[]} args
|
||||
* @returns {Object[]} pos
|
||||
*/
|
||||
highlightReverse(pos, args) {
|
||||
return pos;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default SwapEndianness;
|
||||
345
src/core/operations/ToHTMLEntity.mjs
Normal file
345
src/core/operations/ToHTMLEntity.mjs
Normal file
@ -0,0 +1,345 @@
|
||||
/**
|
||||
* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import Utils from "../Utils";
|
||||
|
||||
/**
|
||||
* To HTML Entity operation
|
||||
*/
|
||||
class ToHTMLEntity extends Operation {
|
||||
|
||||
/**
|
||||
* ToHTMLEntity constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "To HTML Entity";
|
||||
this.module = "Default";
|
||||
this.description = "Converts characters to HTML entities<br><br>e.g. <code>&</code> becomes <code>&<span>amp;</span></code>";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
"name": "Convert all characters",
|
||||
"type": "boolean",
|
||||
"value": false
|
||||
},
|
||||
{
|
||||
"name": "Convert to",
|
||||
"type": "option",
|
||||
"value": ["Named entities where possible", "Numeric entities", "Hex entities"]
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
const convertAll = args[0],
|
||||
numeric = args[1] === "Numeric entities",
|
||||
hexa = args[1] === "Hex entities";
|
||||
|
||||
const charcodes = Utils.strToCharcode(input);
|
||||
let output = "";
|
||||
|
||||
for (let i = 0; i < charcodes.length; i++) {
|
||||
if (convertAll && numeric) {
|
||||
output += "&#" + charcodes[i] + ";";
|
||||
} else if (convertAll && hexa) {
|
||||
output += "&#x" + Utils.hex(charcodes[i]) + ";";
|
||||
} else if (convertAll) {
|
||||
output += byteToEntity[charcodes[i]] || "&#" + charcodes[i] + ";";
|
||||
} else if (numeric) {
|
||||
if (charcodes[i] > 255 || byteToEntity.hasOwnProperty(charcodes[i])) {
|
||||
output += "&#" + charcodes[i] + ";";
|
||||
} else {
|
||||
output += Utils.chr(charcodes[i]);
|
||||
}
|
||||
} else if (hexa) {
|
||||
if (charcodes[i] > 255 || byteToEntity.hasOwnProperty(charcodes[i])) {
|
||||
output += "&#x" + Utils.hex(charcodes[i]) + ";";
|
||||
} else {
|
||||
output += Utils.chr(charcodes[i]);
|
||||
}
|
||||
} else {
|
||||
output += byteToEntity[charcodes[i]] || (
|
||||
charcodes[i] > 255 ?
|
||||
"&#" + charcodes[i] + ";" :
|
||||
Utils.chr(charcodes[i])
|
||||
);
|
||||
}
|
||||
}
|
||||
return output;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Lookup table to translate byte values to their HTML entity codes.
|
||||
*/
|
||||
const byteToEntity = {
|
||||
34: """,
|
||||
38: "&",
|
||||
39: "'",
|
||||
60: "<",
|
||||
62: ">",
|
||||
160: " ",
|
||||
161: "¡",
|
||||
162: "¢",
|
||||
163: "£",
|
||||
164: "¤",
|
||||
165: "¥",
|
||||
166: "¦",
|
||||
167: "§",
|
||||
168: "¨",
|
||||
169: "©",
|
||||
170: "ª",
|
||||
171: "«",
|
||||
172: "¬",
|
||||
173: "­",
|
||||
174: "®",
|
||||
175: "¯",
|
||||
176: "°",
|
||||
177: "±",
|
||||
178: "²",
|
||||
179: "³",
|
||||
180: "´",
|
||||
181: "µ",
|
||||
182: "¶",
|
||||
183: "·",
|
||||
184: "¸",
|
||||
185: "¹",
|
||||
186: "º",
|
||||
187: "»",
|
||||
188: "¼",
|
||||
189: "½",
|
||||
190: "¾",
|
||||
191: "¿",
|
||||
192: "À",
|
||||
193: "Á",
|
||||
194: "Â",
|
||||
195: "Ã",
|
||||
196: "Ä",
|
||||
197: "Å",
|
||||
198: "Æ",
|
||||
199: "Ç",
|
||||
200: "È",
|
||||
201: "É",
|
||||
202: "Ê",
|
||||
203: "Ë",
|
||||
204: "Ì",
|
||||
205: "Í",
|
||||
206: "Î",
|
||||
207: "Ï",
|
||||
208: "Ð",
|
||||
209: "Ñ",
|
||||
210: "Ò",
|
||||
211: "Ó",
|
||||
212: "Ô",
|
||||
213: "Õ",
|
||||
214: "Ö",
|
||||
215: "×",
|
||||
216: "Ø",
|
||||
217: "Ù",
|
||||
218: "Ú",
|
||||
219: "Û",
|
||||
220: "Ü",
|
||||
221: "Ý",
|
||||
222: "Þ",
|
||||
223: "ß",
|
||||
224: "à",
|
||||
225: "á",
|
||||
226: "â",
|
||||
227: "ã",
|
||||
228: "ä",
|
||||
229: "å",
|
||||
230: "æ",
|
||||
231: "ç",
|
||||
232: "è",
|
||||
233: "é",
|
||||
234: "ê",
|
||||
235: "ë",
|
||||
236: "ì",
|
||||
237: "í",
|
||||
238: "î",
|
||||
239: "ï",
|
||||
240: "ð",
|
||||
241: "ñ",
|
||||
242: "ò",
|
||||
243: "ó",
|
||||
244: "ô",
|
||||
245: "õ",
|
||||
246: "ö",
|
||||
247: "÷",
|
||||
248: "ø",
|
||||
249: "ù",
|
||||
250: "ú",
|
||||
251: "û",
|
||||
252: "ü",
|
||||
253: "ý",
|
||||
254: "þ",
|
||||
255: "ÿ",
|
||||
338: "Œ",
|
||||
339: "œ",
|
||||
352: "Š",
|
||||
353: "š",
|
||||
376: "Ÿ",
|
||||
402: "ƒ",
|
||||
710: "ˆ",
|
||||
732: "˜",
|
||||
913: "Α",
|
||||
914: "Β",
|
||||
915: "Γ",
|
||||
916: "Δ",
|
||||
917: "Ε",
|
||||
918: "Ζ",
|
||||
919: "Η",
|
||||
920: "Θ",
|
||||
921: "Ι",
|
||||
922: "Κ",
|
||||
923: "Λ",
|
||||
924: "Μ",
|
||||
925: "Ν",
|
||||
926: "Ξ",
|
||||
927: "Ο",
|
||||
928: "Π",
|
||||
929: "Ρ",
|
||||
931: "Σ",
|
||||
932: "Τ",
|
||||
933: "Υ",
|
||||
934: "Φ",
|
||||
935: "Χ",
|
||||
936: "Ψ",
|
||||
937: "Ω",
|
||||
945: "α",
|
||||
946: "β",
|
||||
947: "γ",
|
||||
948: "δ",
|
||||
949: "ε",
|
||||
950: "ζ",
|
||||
951: "η",
|
||||
952: "θ",
|
||||
953: "ι",
|
||||
954: "κ",
|
||||
955: "λ",
|
||||
956: "μ",
|
||||
957: "ν",
|
||||
958: "ξ",
|
||||
959: "ο",
|
||||
960: "π",
|
||||
961: "ρ",
|
||||
962: "ς",
|
||||
963: "σ",
|
||||
964: "τ",
|
||||
965: "υ",
|
||||
966: "φ",
|
||||
967: "χ",
|
||||
968: "ψ",
|
||||
969: "ω",
|
||||
977: "ϑ",
|
||||
978: "ϒ",
|
||||
982: "ϖ",
|
||||
8194: " ",
|
||||
8195: " ",
|
||||
8201: " ",
|
||||
8204: "‌",
|
||||
8205: "‍",
|
||||
8206: "‎",
|
||||
8207: "‏",
|
||||
8211: "–",
|
||||
8212: "—",
|
||||
8216: "‘",
|
||||
8217: "’",
|
||||
8218: "‚",
|
||||
8220: "“",
|
||||
8221: "”",
|
||||
8222: "„",
|
||||
8224: "†",
|
||||
8225: "‡",
|
||||
8226: "•",
|
||||
8230: "…",
|
||||
8240: "‰",
|
||||
8242: "′",
|
||||
8243: "″",
|
||||
8249: "‹",
|
||||
8250: "›",
|
||||
8254: "‾",
|
||||
8260: "⁄",
|
||||
8364: "€",
|
||||
8465: "ℑ",
|
||||
8472: "℘",
|
||||
8476: "ℜ",
|
||||
8482: "™",
|
||||
8501: "ℵ",
|
||||
8592: "←",
|
||||
8593: "↑",
|
||||
8594: "→",
|
||||
8595: "↓",
|
||||
8596: "↔",
|
||||
8629: "↵",
|
||||
8656: "⇐",
|
||||
8657: "⇑",
|
||||
8658: "⇒",
|
||||
8659: "⇓",
|
||||
8660: "⇔",
|
||||
8704: "∀",
|
||||
8706: "∂",
|
||||
8707: "∃",
|
||||
8709: "∅",
|
||||
8711: "∇",
|
||||
8712: "∈",
|
||||
8713: "∉",
|
||||
8715: "∋",
|
||||
8719: "∏",
|
||||
8721: "∑",
|
||||
8722: "−",
|
||||
8727: "∗",
|
||||
8730: "√",
|
||||
8733: "∝",
|
||||
8734: "∞",
|
||||
8736: "∠",
|
||||
8743: "∧",
|
||||
8744: "∨",
|
||||
8745: "∩",
|
||||
8746: "∪",
|
||||
8747: "∫",
|
||||
8756: "∴",
|
||||
8764: "∼",
|
||||
8773: "≅",
|
||||
8776: "≈",
|
||||
8800: "≠",
|
||||
8801: "≡",
|
||||
8804: "≤",
|
||||
8805: "≥",
|
||||
8834: "⊂",
|
||||
8835: "⊃",
|
||||
8836: "⊄",
|
||||
8838: "⊆",
|
||||
8839: "⊇",
|
||||
8853: "⊕",
|
||||
8855: "⊗",
|
||||
8869: "⊥",
|
||||
8901: "⋅",
|
||||
8942: "⋮",
|
||||
8968: "⌈",
|
||||
8969: "⌉",
|
||||
8970: "⌊",
|
||||
8971: "⌋",
|
||||
9001: "⟨",
|
||||
9002: "⟩",
|
||||
9674: "◊",
|
||||
9824: "♠",
|
||||
9827: "♣",
|
||||
9829: "♥",
|
||||
9830: "♦",
|
||||
};
|
||||
|
||||
export default ToHTMLEntity;
|
||||
244
src/core/operations/ToQuotedPrintable.mjs
Normal file
244
src/core/operations/ToQuotedPrintable.mjs
Normal file
@ -0,0 +1,244 @@
|
||||
/**
|
||||
* Some parts taken from mimelib (http://github.com/andris9/mimelib)
|
||||
* @author Andris Reinman
|
||||
* @license MIT
|
||||
*
|
||||
* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
|
||||
/**
|
||||
* To Quoted Printable operation
|
||||
*/
|
||||
class ToQuotedPrintable extends Operation {
|
||||
|
||||
/**
|
||||
* ToQuotedPrintable constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "To Quoted Printable";
|
||||
this.module = "Default";
|
||||
this.description = "Quoted-Printable, or QP encoding, is an encoding using printable ASCII characters (alphanumeric and the equals sign '=') to transmit 8-bit data over a 7-bit data path or, generally, over a medium which is not 8-bit clean. It is defined as a MIME content transfer encoding for use in e-mail.<br><br>QP works by using the equals sign '=' as an escape character. It also limits line length to 76, as some software has limits on line length.";
|
||||
this.inputType = "byteArray";
|
||||
this.outputType = "string";
|
||||
this.args = [];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {byteArray} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
let mimeEncodedStr = this.mimeEncode(input);
|
||||
|
||||
// fix line breaks
|
||||
mimeEncodedStr = mimeEncodedStr.replace(/\r?\n|\r/g, function() {
|
||||
return "\r\n";
|
||||
}).replace(/[\t ]+$/gm, function(spaces) {
|
||||
return spaces.replace(/ /g, "=20").replace(/\t/g, "=09");
|
||||
});
|
||||
|
||||
return this._addSoftLinebreaks(mimeEncodedStr, "qp");
|
||||
}
|
||||
|
||||
|
||||
/** @license
|
||||
========================================================================
|
||||
mimelib: http://github.com/andris9/mimelib
|
||||
Copyright (c) 2011-2012 Andris Reinman
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
of this software and associated documentation files (the "Software"), to deal
|
||||
in the Software without restriction, including without limitation the rights
|
||||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
|
||||
|
||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
|
||||
*/
|
||||
|
||||
/**
|
||||
* Encodes mime data.
|
||||
*
|
||||
* @param {byteArray} buffer
|
||||
* @returns {string}
|
||||
*/
|
||||
mimeEncode(buffer) {
|
||||
const ranges = [
|
||||
[0x09],
|
||||
[0x0A],
|
||||
[0x0D],
|
||||
[0x20],
|
||||
[0x21],
|
||||
[0x23, 0x3C],
|
||||
[0x3E],
|
||||
[0x40, 0x5E],
|
||||
[0x60, 0x7E]
|
||||
];
|
||||
let result = "";
|
||||
|
||||
for (let i = 0, len = buffer.length; i < len; i++) {
|
||||
if (this._checkRanges(buffer[i], ranges)) {
|
||||
result += String.fromCharCode(buffer[i]);
|
||||
continue;
|
||||
}
|
||||
result += "=" + (buffer[i] < 0x10 ? "0" : "") + buffer[i].toString(16).toUpperCase();
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Checks if a given number falls within a given set of ranges.
|
||||
*
|
||||
* @private
|
||||
* @param {number} nr
|
||||
* @param {byteArray[]} ranges
|
||||
* @returns {bolean}
|
||||
*/
|
||||
_checkRanges(nr, ranges) {
|
||||
for (let i = ranges.length - 1; i >= 0; i--) {
|
||||
if (!ranges[i].length)
|
||||
continue;
|
||||
if (ranges[i].length === 1 && nr === ranges[i][0])
|
||||
return true;
|
||||
if (ranges[i].length === 2 && nr >= ranges[i][0] && nr <= ranges[i][1])
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds soft line breaks to a string.
|
||||
* Lines can't be longer that 76 + <CR><LF> = 78 bytes
|
||||
* http://tools.ietf.org/html/rfc2045#section-6.7
|
||||
*
|
||||
* @private
|
||||
* @param {string} str
|
||||
* @param {string} encoding
|
||||
* @returns {string}
|
||||
*/
|
||||
_addSoftLinebreaks(str, encoding) {
|
||||
const lineLengthMax = 76;
|
||||
|
||||
encoding = (encoding || "base64").toString().toLowerCase().trim();
|
||||
|
||||
if (encoding === "qp") {
|
||||
return this._addQPSoftLinebreaks(str, lineLengthMax);
|
||||
} else {
|
||||
return this._addBase64SoftLinebreaks(str, lineLengthMax);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds soft line breaks to a base64 string.
|
||||
*
|
||||
* @private
|
||||
* @param {string} base64EncodedStr
|
||||
* @param {number} lineLengthMax
|
||||
* @returns {string}
|
||||
*/
|
||||
_addBase64SoftLinebreaks(base64EncodedStr, lineLengthMax) {
|
||||
base64EncodedStr = (base64EncodedStr || "").toString().trim();
|
||||
return base64EncodedStr.replace(new RegExp(".{" + lineLengthMax + "}", "g"), "$&\r\n").trim();
|
||||
}
|
||||
|
||||
/**
|
||||
* Adds soft line breaks to a quoted printable string.
|
||||
*
|
||||
* @private
|
||||
* @param {string} mimeEncodedStr
|
||||
* @param {number} lineLengthMax
|
||||
* @returns {string}
|
||||
*/
|
||||
_addQPSoftLinebreaks(mimeEncodedStr, lineLengthMax) {
|
||||
const len = mimeEncodedStr.length,
|
||||
lineMargin = Math.floor(lineLengthMax / 3);
|
||||
let pos = 0,
|
||||
match, code, line,
|
||||
result = "";
|
||||
|
||||
// insert soft linebreaks where needed
|
||||
while (pos < len) {
|
||||
line = mimeEncodedStr.substr(pos, lineLengthMax);
|
||||
if ((match = line.match(/\r\n/))) {
|
||||
line = line.substr(0, match.index + match[0].length);
|
||||
result += line;
|
||||
pos += line.length;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (line.substr(-1) === "\n") {
|
||||
// nothing to change here
|
||||
result += line;
|
||||
pos += line.length;
|
||||
continue;
|
||||
} else if ((match = line.substr(-lineMargin).match(/\n.*?$/))) {
|
||||
// truncate to nearest line break
|
||||
line = line.substr(0, line.length - (match[0].length - 1));
|
||||
result += line;
|
||||
pos += line.length;
|
||||
continue;
|
||||
} else if (line.length > lineLengthMax - lineMargin && (match = line.substr(-lineMargin).match(/[ \t.,!?][^ \t.,!?]*$/))) {
|
||||
// truncate to nearest space
|
||||
line = line.substr(0, line.length - (match[0].length - 1));
|
||||
} else if (line.substr(-1) === "\r") {
|
||||
line = line.substr(0, line.length - 1);
|
||||
} else {
|
||||
if (line.match(/=[\da-f]{0,2}$/i)) {
|
||||
|
||||
// push incomplete encoding sequences to the next line
|
||||
if ((match = line.match(/=[\da-f]{0,1}$/i))) {
|
||||
line = line.substr(0, line.length - match[0].length);
|
||||
}
|
||||
|
||||
// ensure that utf-8 sequences are not split
|
||||
while (line.length > 3 && line.length < len - pos && !line.match(/^(?:=[\da-f]{2}){1,4}$/i) && (match = line.match(/=[\da-f]{2}$/ig))) {
|
||||
code = parseInt(match[0].substr(1, 2), 16);
|
||||
if (code < 128) {
|
||||
break;
|
||||
}
|
||||
|
||||
line = line.substr(0, line.length - 3);
|
||||
|
||||
if (code >= 0xC0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (pos + line.length < len && line.substr(-1) !== "\n") {
|
||||
if (line.length === 76 && line.match(/=[\da-f]{2}$/i)) {
|
||||
line = line.substr(0, line.length - 3);
|
||||
} else if (line.length === 76) {
|
||||
line = line.substr(0, line.length - 1);
|
||||
}
|
||||
pos += line.length;
|
||||
line += "=\r\n";
|
||||
} else {
|
||||
pos += line.length;
|
||||
}
|
||||
|
||||
result += line;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
export default ToQuotedPrintable;
|
||||
75
src/core/operations/UnescapeUnicodeCharacters.mjs
Normal file
75
src/core/operations/UnescapeUnicodeCharacters.mjs
Normal file
@ -0,0 +1,75 @@
|
||||
/**
|
||||
* @author n1474335 [n1474335@gmail.com]
|
||||
* @copyright Crown Copyright 2016
|
||||
* @license Apache-2.0
|
||||
*/
|
||||
|
||||
import Operation from "../Operation";
|
||||
import Utils from "../Utils";
|
||||
|
||||
/**
|
||||
* Unescape Unicode Characters operation
|
||||
*/
|
||||
class UnescapeUnicodeCharacters extends Operation {
|
||||
|
||||
/**
|
||||
* UnescapeUnicodeCharacters constructor
|
||||
*/
|
||||
constructor() {
|
||||
super();
|
||||
|
||||
this.name = "Unescape Unicode Characters";
|
||||
this.module = "Default";
|
||||
this.description = "Converts unicode-escaped character notation back into raw characters.<br><br>Supports the prefixes:<ul><li><code>\\u</code></li><li><code>%u</code></li><li><code>U+</code></li></ul>e.g. <code>\\u03c3\\u03bf\\u03c5</code> becomes <code>σου</code>";
|
||||
this.inputType = "string";
|
||||
this.outputType = "string";
|
||||
this.args = [
|
||||
{
|
||||
"name": "Prefix",
|
||||
"type": "option",
|
||||
"value": ["\\u", "%u", "U+"]
|
||||
}
|
||||
];
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
run(input, args) {
|
||||
const prefix = prefixToRegex[args[0]],
|
||||
regex = new RegExp(prefix+"([a-f\\d]{4})", "ig");
|
||||
let output = "",
|
||||
m,
|
||||
i = 0;
|
||||
|
||||
while ((m = regex.exec(input))) {
|
||||
// Add up to match
|
||||
output += input.slice(i, m.index);
|
||||
i = m.index;
|
||||
|
||||
// Add match
|
||||
output += Utils.chr(parseInt(m[1], 16));
|
||||
|
||||
i = regex.lastIndex;
|
||||
}
|
||||
|
||||
// Add all after final match
|
||||
output += input.slice(i, input.length);
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* Lookup table to add prefixes to unicode delimiters so that they can be used in a regex.
|
||||
*/
|
||||
const prefixToRegex = {
|
||||
"\\u": "\\\\u",
|
||||
"%u": "%u",
|
||||
"U+": "U\\+"
|
||||
};
|
||||
|
||||
export default UnescapeUnicodeCharacters;
|
||||
Loading…
Reference in New Issue
Block a user