import { finished } from "../../encoding/finished";
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import { end_of_stream, isASCIIByte } from "../../encoding/terminology";
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/**
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* @constructor
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* @implements {Decoder}
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* @param {{fatal: boolean}} options
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*/
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export class XUserDefinedDecoder {
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constructor(options) {
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this.fatal = options.fatal;
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}
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/**
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* @param {Stream} stream The stream of bytes being decoded.
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* @param {number} bite The next byte read from the stream.
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* @return {?(number|!Array.<number>)} The next code point(s)
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* decoded, or null if not enough data exists in the input
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* stream to decode a complete code point.
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*/
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handler(stream, bite) {
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// 1. If byte is end-of-stream, return finished.
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if (bite === end_of_stream)
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return finished;
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// 2. If byte is an ASCII byte, return a code point whose value
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// is byte.
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if (isASCIIByte(bite))
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return bite;
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// 3. Return a code point whose value is 0xF780 + byte − 0x80.
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return 0xF780 + bite - 0x80;
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}
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}
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//# sourceMappingURL=XUserDefinedDecoder.js.map
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