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67 lines
2.4 KiB
67 lines
2.4 KiB
"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var xml_json_1 = __importDefault(require("./maps/xml.json"));
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var inverseXML = getInverseObj(xml_json_1.default);
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var xmlReplacer = getInverseReplacer(inverseXML);
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exports.encodeXML = getInverse(inverseXML, xmlReplacer);
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var entities_json_1 = __importDefault(require("./maps/entities.json"));
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var inverseHTML = getInverseObj(entities_json_1.default);
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var htmlReplacer = getInverseReplacer(inverseHTML);
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exports.encodeHTML = getInverse(inverseHTML, htmlReplacer);
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function getInverseObj(obj) {
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return Object.keys(obj)
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.sort()
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.reduce(function (inverse, name) {
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inverse[obj[name]] = "&" + name + ";";
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return inverse;
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}, {});
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}
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function getInverseReplacer(inverse) {
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var single = [];
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var multiple = [];
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Object.keys(inverse).forEach(function (k) {
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return k.length === 1
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? // Add value to single array
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single.push("\\" + k)
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: // Add value to multiple array
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multiple.push(k);
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});
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//TODO add ranges
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multiple.unshift("[" + single.join("") + "]");
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return new RegExp(multiple.join("|"), "g");
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}
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var reNonASCII = /[^\0-\x7F]/g;
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var reAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
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function singleCharReplacer(c) {
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return "&#x" + c
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.charCodeAt(0)
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.toString(16)
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.toUpperCase() + ";";
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}
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// eslint-disable-next-line @typescript-eslint/no-unused-vars, @typescript-eslint/no-explicit-any
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function astralReplacer(c, _) {
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// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
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var high = c.charCodeAt(0);
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var low = c.charCodeAt(1);
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var codePoint = (high - 0xd800) * 0x400 + low - 0xdc00 + 0x10000;
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return "&#x" + codePoint.toString(16).toUpperCase() + ";";
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}
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function getInverse(inverse, re) {
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return function (data) {
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return data
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.replace(re, function (name) { return inverse[name]; })
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.replace(reAstralSymbols, astralReplacer)
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.replace(reNonASCII, singleCharReplacer);
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};
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}
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var reXmlChars = getInverseReplacer(inverseXML);
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function escape(data) {
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return data
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.replace(reXmlChars, singleCharReplacer)
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.replace(reAstralSymbols, astralReplacer)
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.replace(reNonASCII, singleCharReplacer);
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}
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exports.escape = escape;
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