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Converted the core to ES modules
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154 changed files with 1901 additions and 2223 deletions
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@ -1,412 +0,0 @@
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import Utils from "../Utils.js";
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import jsesc from "jsesc";
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/**
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* String utility operations.
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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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* @namespace
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*/
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const StrUtils = {
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/**
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* @constant
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* @default
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*/
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CASE_SCOPE: ["All", "Word", "Sentence", "Paragraph"],
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/**
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* To Upper case operation.
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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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runUpper: function (input, args) {
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const scope = args[0];
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switch (scope) {
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case "Word":
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return input.replace(/(\b\w)/gi, function(m) {
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return m.toUpperCase();
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});
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case "Sentence":
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return input.replace(/(?:\.|^)\s*(\b\w)/gi, function(m) {
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return m.toUpperCase();
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});
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case "Paragraph":
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return input.replace(/(?:\n|^)\s*(\b\w)/gi, function(m) {
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return m.toUpperCase();
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});
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case "All":
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/* falls through */
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default:
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return input.toUpperCase();
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}
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},
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/**
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* To Upper case operation.
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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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runLower: function (input, args) {
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return input.toLowerCase();
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},
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/**
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* @constant
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* @default
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*/
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SPLIT_DELIM_OPTIONS: [
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{name: "Comma", value: ","},
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{name: "Space", value: " "},
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{name: "Line feed", value: "\\n"},
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{name: "CRLF", value: "\\r\\n"},
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{name: "Semi-colon", value: ";"},
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{name: "Colon", value: ":"},
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{name: "Nothing (separate chars)", value: ""}
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],
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/**
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* @constant
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* @default
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*/
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JOIN_DELIM_OPTIONS: [
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{name: "Line feed", value: "\\n"},
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{name: "CRLF", value: "\\r\\n"},
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{name: "Space", value: " "},
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{name: "Comma", value: ","},
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{name: "Semi-colon", value: ";"},
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{name: "Colon", value: ":"},
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{name: "Nothing (join chars)", value: ""}
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],
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/**
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* Split operation.
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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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runSplit: function(input, args) {
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let splitDelim = args[0],
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joinDelim = args[1],
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sections = input.split(splitDelim);
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return sections.join(joinDelim);
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},
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/**
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* @constant
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* @default
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*/
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DELIMITER_OPTIONS: ["Line feed", "CRLF", "Space", "Comma", "Semi-colon", "Colon", "Nothing (separate chars)"],
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/**
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* Filter operation.
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*
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* @author Mikescher (https://github.com/Mikescher | https://mikescher.com)
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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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runFilter: function(input, args) {
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let delim = Utils.charRep[args[0]],
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regex,
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reverse = args[2];
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try {
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regex = new RegExp(args[1]);
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} catch (err) {
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return "Invalid regex. Details: " + err.message;
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}
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const regexFilter = function(value) {
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return reverse ^ regex.test(value);
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};
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return input.split(delim).filter(regexFilter).join(delim);
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},
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/**
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* @constant
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* @default
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*/
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OFF_CHK_SAMPLE_DELIMITER: "\\n\\n",
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/**
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* Offset checker operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {html}
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*/
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runOffsetChecker: function(input, args) {
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let sampleDelim = args[0],
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samples = input.split(sampleDelim),
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outputs = new Array(samples.length),
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i = 0,
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s = 0,
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match = false,
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inMatch = false,
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chr;
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if (!samples || samples.length < 2) {
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return "Not enough samples, perhaps you need to modify the sample delimiter or add more data?";
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}
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// Initialise output strings
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outputs.fill("", 0, samples.length);
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// Loop through each character in the first sample
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for (i = 0; i < samples[0].length; i++) {
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chr = samples[0][i];
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match = false;
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// Loop through each sample to see if the chars are the same
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for (s = 1; s < samples.length; s++) {
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if (samples[s][i] !== chr) {
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match = false;
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break;
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}
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match = true;
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}
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// Write output for each sample
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for (s = 0; s < samples.length; s++) {
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if (samples[s].length <= i) {
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if (inMatch) outputs[s] += "</span>";
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if (s === samples.length - 1) inMatch = false;
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continue;
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}
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if (match && !inMatch) {
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outputs[s] += "<span class='hl5'>" + Utils.escapeHtml(samples[s][i]);
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if (samples[s].length === i + 1) outputs[s] += "</span>";
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if (s === samples.length - 1) inMatch = true;
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} else if (!match && inMatch) {
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outputs[s] += "</span>" + Utils.escapeHtml(samples[s][i]);
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if (s === samples.length - 1) inMatch = false;
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} else {
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outputs[s] += Utils.escapeHtml(samples[s][i]);
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if (inMatch && samples[s].length === i + 1) {
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outputs[s] += "</span>";
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if (samples[s].length - 1 !== i) inMatch = false;
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}
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}
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if (samples[0].length - 1 === i) {
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if (inMatch) outputs[s] += "</span>";
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outputs[s] += Utils.escapeHtml(samples[s].substring(i + 1));
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}
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}
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}
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return outputs.join(sampleDelim);
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},
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/**
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* @constant
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* @default
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*/
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QUOTE_TYPES: ["Single", "Double", "Backtick"],
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/**
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* @constant
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* @default
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*/
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ESCAPE_LEVEL: ["Special chars", "Everything", "Minimal"],
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/**
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* Escape string operation.
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*
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* @author Vel0x [dalemy@microsoft.com]
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* @author n1474335 [n1474335@gmail.com]
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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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* @example
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* StrUtils.runEscape("Don't do that", [])
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* > "Don\'t do that"
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* StrUtils.runEscape(`Hello
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* World`, [])
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* > "Hello\nWorld"
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*/
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runEscape: function(input, args) {
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const level = args[0],
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quotes = args[1],
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jsonCompat = args[2],
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es6Compat = args[3],
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lowercaseHex = !args[4];
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return jsesc(input, {
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quotes: quotes.toLowerCase(),
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es6: es6Compat,
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escapeEverything: level === "Everything",
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minimal: level === "Minimal",
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json: jsonCompat,
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lowercaseHex: lowercaseHex,
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});
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},
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/**
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* Unescape string operation.
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*
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* @author Vel0x [dalemy@microsoft.com]
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* @author n1474335 [n1474335@gmail.com]
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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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* @example
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* StrUtils.runUnescape("Don\'t do that", [])
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* > "Don't do that"
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* StrUtils.runUnescape("Hello\nWorld", [])
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* > `Hello
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* World`
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*/
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runUnescape: function(input, args) {
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return Utils.parseEscapedChars(input);
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},
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/**
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* Head lines operation.
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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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runHead: function(input, args) {
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let delimiter = args[0],
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number = args[1];
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delimiter = Utils.charRep[delimiter];
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const splitInput = input.split(delimiter);
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return splitInput
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.filter((line, lineIndex) => {
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lineIndex += 1;
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if (number < 0) {
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return lineIndex <= splitInput.length + number;
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} else {
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return lineIndex <= number;
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}
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})
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.join(delimiter);
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},
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/**
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* Tail lines operation.
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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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runTail: function(input, args) {
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let delimiter = args[0],
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number = args[1];
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delimiter = Utils.charRep[delimiter];
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const splitInput = input.split(delimiter);
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return splitInput
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.filter((line, lineIndex) => {
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lineIndex += 1;
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if (number < 0) {
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return lineIndex > -number;
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} else {
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return lineIndex > splitInput.length - number;
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}
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})
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.join(delimiter);
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},
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/**
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* @constant
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* @default
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*/
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HAMMING_DELIM: "\\n\\n",
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/**
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* @constant
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* @default
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*/
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HAMMING_INPUT_TYPE: ["Raw string", "Hex"],
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/**
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* @constant
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* @default
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*/
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HAMMING_UNIT: ["Byte", "Bit"],
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/**
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* Hamming Distance operation.
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*
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* @author GCHQ Contributor [2]
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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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runHamming: function(input, args) {
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const delim = args[0],
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byByte = args[1] === "Byte",
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inputType = args[2],
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samples = input.split(delim);
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if (samples.length !== 2) {
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return "Error: You can only calculae the edit distance between 2 strings. Please ensure exactly two inputs are provided, separated by the specified delimiter.";
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}
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if (samples[0].length !== samples[1].length) {
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return "Error: Both inputs must be of the same length.";
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}
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if (inputType === "Hex") {
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samples[0] = Utils.fromHex(samples[0]);
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samples[1] = Utils.fromHex(samples[1]);
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} else {
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samples[0] = Utils.strToByteArray(samples[0]);
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samples[1] = Utils.strToByteArray(samples[1]);
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}
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let dist = 0;
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for (let i = 0; i < samples[0].length; i++) {
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const lhs = samples[0][i],
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rhs = samples[1][i];
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if (byByte && lhs !== rhs) {
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dist++;
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} else if (!byByte) {
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let xord = lhs ^ rhs;
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while (xord) {
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dist++;
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xord &= xord - 1;
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}
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}
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}
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return dist.toString();
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},
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};
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export default StrUtils;
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