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198 lines
7.7 KiB
198 lines
7.7 KiB
"use strict"; |
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var __assign = (this && this.__assign) || function () { |
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__assign = Object.assign || function(t) { |
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for (var s, i = 1, n = arguments.length; i < n; i++) { |
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s = arguments[i]; |
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for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) |
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t[p] = s[p]; |
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} |
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return t; |
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}; |
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return __assign.apply(this, arguments); |
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}; |
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Object.defineProperty(exports, "__esModule", { value: true }); |
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var named_references_1 = require("./named-references"); |
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var numeric_unicode_map_1 = require("./numeric-unicode-map"); |
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var surrogate_pairs_1 = require("./surrogate-pairs"); |
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var allNamedReferences = __assign(__assign({}, named_references_1.namedReferences), { all: named_references_1.namedReferences.html5 }); |
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var encodeRegExps = { |
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specialChars: /[<>'"&]/g, |
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nonAscii: /(?:[<>'"&\u0080-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g, |
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nonAsciiPrintable: /(?:[<>'"&\x01-\x08\x11-\x15\x17-\x1F\x7f-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g, |
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extensive: /(?:[\x01-\x0c\x0e-\x1f\x21-\x2c\x2e-\x2f\x3a-\x40\x5b-\x60\x7b-\x7d\x7f-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])/g |
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}; |
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var defaultEncodeOptions = { |
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mode: 'specialChars', |
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level: 'all', |
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numeric: 'decimal' |
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}; |
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/** Encodes all the necessary (specified by `level`) characters in the text */ |
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function encode(text, _a) { |
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var _b = _a === void 0 ? defaultEncodeOptions : _a, _c = _b.mode, mode = _c === void 0 ? 'specialChars' : _c, _d = _b.numeric, numeric = _d === void 0 ? 'decimal' : _d, _e = _b.level, level = _e === void 0 ? 'all' : _e; |
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if (!text) { |
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return ''; |
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} |
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var encodeRegExp = encodeRegExps[mode]; |
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var references = allNamedReferences[level].characters; |
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var isHex = numeric === 'hexadecimal'; |
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encodeRegExp.lastIndex = 0; |
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var _b = encodeRegExp.exec(text); |
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var _c; |
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if (_b) { |
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_c = ''; |
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var _d = 0; |
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do { |
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if (_d !== _b.index) { |
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_c += text.substring(_d, _b.index); |
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} |
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var _e = _b[0]; |
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var result_1 = references[_e]; |
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if (!result_1) { |
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var code_1 = _e.length > 1 ? surrogate_pairs_1.getCodePoint(_e, 0) : _e.charCodeAt(0); |
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result_1 = (isHex ? '&#x' + code_1.toString(16) : '&#' + code_1) + ';'; |
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} |
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_c += result_1; |
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_d = _b.index + _e.length; |
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} while ((_b = encodeRegExp.exec(text))); |
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if (_d !== text.length) { |
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_c += text.substring(_d); |
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} |
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} |
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else { |
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_c = |
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text; |
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} |
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return _c; |
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} |
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exports.encode = encode; |
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var defaultDecodeOptions = { |
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scope: 'body', |
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level: 'all' |
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}; |
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var strict = /&(?:#\d+|#[xX][\da-fA-F]+|[0-9a-zA-Z]+);/g; |
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var attribute = /&(?:#\d+|#[xX][\da-fA-F]+|[0-9a-zA-Z]+)[;=]?/g; |
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var baseDecodeRegExps = { |
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xml: { |
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strict: strict, |
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attribute: attribute, |
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body: named_references_1.bodyRegExps.xml |
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}, |
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html4: { |
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strict: strict, |
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attribute: attribute, |
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body: named_references_1.bodyRegExps.html4 |
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}, |
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html5: { |
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strict: strict, |
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attribute: attribute, |
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body: named_references_1.bodyRegExps.html5 |
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} |
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}; |
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var decodeRegExps = __assign(__assign({}, baseDecodeRegExps), { all: baseDecodeRegExps.html5 }); |
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var fromCharCode = String.fromCharCode; |
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var outOfBoundsChar = fromCharCode(65533); |
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var defaultDecodeEntityOptions = { |
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level: 'all' |
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}; |
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/** Decodes a single entity */ |
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function decodeEntity(entity, _a) { |
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var _b = (_a === void 0 ? defaultDecodeEntityOptions : _a).level, level = _b === void 0 ? 'all' : _b; |
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if (!entity) { |
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return ''; |
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} |
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var _b = entity; |
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var decodeEntityLastChar_1 = entity[entity.length - 1]; |
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if (false |
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&& decodeEntityLastChar_1 === '=') { |
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_b = |
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entity; |
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} |
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else if (false |
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&& decodeEntityLastChar_1 !== ';') { |
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_b = |
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entity; |
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} |
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else { |
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var decodeResultByReference_1 = allNamedReferences[level].entities[entity]; |
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if (decodeResultByReference_1) { |
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_b = decodeResultByReference_1; |
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} |
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else if (entity[0] === '&' && entity[1] === '#') { |
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var decodeSecondChar_1 = entity[2]; |
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var decodeCode_1 = decodeSecondChar_1 == 'x' || decodeSecondChar_1 == 'X' |
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? parseInt(entity.substr(3), 16) |
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: parseInt(entity.substr(2)); |
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_b = |
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decodeCode_1 >= 0x10ffff |
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? outOfBoundsChar |
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: decodeCode_1 > 65535 |
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? surrogate_pairs_1.fromCodePoint(decodeCode_1) |
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: fromCharCode(numeric_unicode_map_1.numericUnicodeMap[decodeCode_1] || decodeCode_1); |
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} |
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} |
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return _b; |
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} |
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exports.decodeEntity = decodeEntity; |
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/** Decodes all entities in the text */ |
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function decode(text, _a) { |
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var decodeSecondChar_1 = _a === void 0 ? defaultDecodeOptions : _a, decodeCode_1 = decodeSecondChar_1.level, level = decodeCode_1 === void 0 ? 'all' : decodeCode_1, _b = decodeSecondChar_1.scope, scope = _b === void 0 ? level === 'xml' ? 'strict' : 'body' : _b; |
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if (!text) { |
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return ''; |
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} |
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var decodeRegExp = decodeRegExps[level][scope]; |
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var references = allNamedReferences[level].entities; |
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var isAttribute = scope === 'attribute'; |
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var isStrict = scope === 'strict'; |
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decodeRegExp.lastIndex = 0; |
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var replaceMatch_1 = decodeRegExp.exec(text); |
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var replaceResult_1; |
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if (replaceMatch_1) { |
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replaceResult_1 = ''; |
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var replaceLastIndex_1 = 0; |
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do { |
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if (replaceLastIndex_1 !== replaceMatch_1.index) { |
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replaceResult_1 += text.substring(replaceLastIndex_1, replaceMatch_1.index); |
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} |
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var replaceInput_1 = replaceMatch_1[0]; |
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var decodeResult_1 = replaceInput_1; |
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var decodeEntityLastChar_2 = replaceInput_1[replaceInput_1.length - 1]; |
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if (isAttribute |
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&& decodeEntityLastChar_2 === '=') { |
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decodeResult_1 = replaceInput_1; |
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} |
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else if (isStrict |
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&& decodeEntityLastChar_2 !== ';') { |
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decodeResult_1 = replaceInput_1; |
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} |
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else { |
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var decodeResultByReference_2 = references[replaceInput_1]; |
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if (decodeResultByReference_2) { |
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decodeResult_1 = decodeResultByReference_2; |
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} |
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else if (replaceInput_1[0] === '&' && replaceInput_1[1] === '#') { |
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var decodeSecondChar_2 = replaceInput_1[2]; |
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var decodeCode_2 = decodeSecondChar_2 == 'x' || decodeSecondChar_2 == 'X' |
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? parseInt(replaceInput_1.substr(3), 16) |
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: parseInt(replaceInput_1.substr(2)); |
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decodeResult_1 = |
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decodeCode_2 >= 0x10ffff |
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? outOfBoundsChar |
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: decodeCode_2 > 65535 |
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? surrogate_pairs_1.fromCodePoint(decodeCode_2) |
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: fromCharCode(numeric_unicode_map_1.numericUnicodeMap[decodeCode_2] || decodeCode_2); |
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} |
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} |
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replaceResult_1 += decodeResult_1; |
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replaceLastIndex_1 = replaceMatch_1.index + replaceInput_1.length; |
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} while ((replaceMatch_1 = decodeRegExp.exec(text))); |
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if (replaceLastIndex_1 !== text.length) { |
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replaceResult_1 += text.substring(replaceLastIndex_1); |
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} |
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} |
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else { |
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replaceResult_1 = |
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text; |
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} |
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return replaceResult_1; |
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} |
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exports.decode = decode;
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