35 lines
1.5 KiB
JavaScript
35 lines
1.5 KiB
JavaScript
/* tslint:disable max-classes-per-file */
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import { decompressJson, padStart } from './utils';
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import AllEncodingsCompressed from './all-encodings.compressed.json';
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var decompressedEncodings = decompressJson(AllEncodingsCompressed);
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var allUnicodeMappings = JSON.parse(decompressedEncodings);
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var Encoding = /** @class */ (function () {
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function Encoding(name, unicodeMappings) {
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var _this = this;
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this.canEncodeUnicodeCodePoint = function (codePoint) {
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return codePoint in _this.unicodeMappings;
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};
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this.encodeUnicodeCodePoint = function (codePoint) {
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var mapped = _this.unicodeMappings[codePoint];
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if (!mapped) {
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var str = String.fromCharCode(codePoint);
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var hexCode = "0x" + padStart(codePoint.toString(16), 4, '0');
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var msg = _this.name + " cannot encode \"" + str + "\" (" + hexCode + ")";
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throw new Error(msg);
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}
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return { code: mapped[0], name: mapped[1] };
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};
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this.name = name;
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this.supportedCodePoints = Object.keys(unicodeMappings)
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.map(Number)
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.sort(function (a, b) { return a - b; });
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this.unicodeMappings = unicodeMappings;
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}
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return Encoding;
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}());
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export var Encodings = {
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Symbol: new Encoding('Symbol', allUnicodeMappings.symbol),
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ZapfDingbats: new Encoding('ZapfDingbats', allUnicodeMappings.zapfdingbats),
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WinAnsi: new Encoding('WinAnsi', allUnicodeMappings.win1252),
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};
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