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@zxing/text-encoding

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Polyfill for the Encoding Living Standard's API.

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import { decoderError } from "../../encoding/encodings"; import { finished } from "../../encoding/finished"; import { end_of_stream, isASCIIByte } from "../../encoding/terminology"; /** * @constructor * @implements {Decoder} * @param {!Array.<number>} index The encoding index. * @param {{fatal: boolean}} options */ var SingleByteDecoder = /** @class */ (function () { function SingleByteDecoder(index, options) { this.index = index; this.fatal = options.fatal; } /** * @param {Stream} stream The stream of bytes being decoded. * @param {number} bite The next byte read from the stream. * @return {?(number|!Array.<number>)} The next code point(s) * decoded, or null if not enough data exists in the input * stream to decode a complete code point. */ SingleByteDecoder.prototype.handler = function (stream, bite) { // 1. If byte is end-of-stream, return finished. if (bite === end_of_stream) return finished; // 2. If byte is an ASCII byte, return a code point whose value // is byte. if (isASCIIByte(bite)) return bite; // 3. Let code point be the index code point for byte − 0x80 in // index single-byte. var code_point = this.index[bite - 0x80]; // 4. If code point is null, return error. if (!code_point) return decoderError(this.fatal); // 5. Return a code point whose value is code point. return code_point; }; return SingleByteDecoder; }()); export { SingleByteDecoder }; //# sourceMappingURL=SingleByteDecoder.js.map