mirror of
https://github.com/jackyzha0/quartz.git
synced 2025-12-25 13:54:05 -06:00
35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
"use strict";
|
||
Object.defineProperty(exports, "__esModule", { value: true });
|
||
var finished_1 = require("../../encoding/finished");
|
||
var terminology_1 = require("../../encoding/terminology");
|
||
/**
|
||
* @constructor
|
||
* @implements {Decoder}
|
||
* @param {{fatal: boolean}} options
|
||
*/
|
||
var XUserDefinedDecoder = /** @class */ (function () {
|
||
function XUserDefinedDecoder(options) {
|
||
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.
|
||
*/
|
||
XUserDefinedDecoder.prototype.handler = function (stream, bite) {
|
||
// 1. If byte is end-of-stream, return finished.
|
||
if (bite === terminology_1.end_of_stream)
|
||
return finished_1.finished;
|
||
// 2. If byte is an ASCII byte, return a code point whose value
|
||
// is byte.
|
||
if (terminology_1.isASCIIByte(bite))
|
||
return bite;
|
||
// 3. Return a code point whose value is 0xF780 + byte − 0x80.
|
||
return 0xF780 + bite - 0x80;
|
||
};
|
||
return XUserDefinedDecoder;
|
||
}());
|
||
exports.XUserDefinedDecoder = XUserDefinedDecoder;
|
||
//# sourceMappingURL=XUserDefinedDecoder.js.map
|