tahamajs/IE / Projects /front /node_modules /@zxing /text-encoding /es2015 /coders /x-user-defined /XUserDefinedEncoder.js
| import { encoderError } from "../../encoding/encodings"; | |
| import { finished } from "../../encoding/finished"; | |
| import { end_of_stream, isASCIICodePoint } from "../../encoding/terminology"; | |
| import { inRange } from "../../encoding/utilities"; | |
| /** | |
| * @constructor | |
| * @implements {Encoder} | |
| * @param {{fatal: boolean}} options | |
| */ | |
| export class XUserDefinedEncoder { | |
| constructor(options) { | |
| this.fatal = options.fatal; | |
| } | |
| /** | |
| * @param {Stream} stream Input stream. | |
| * @param {number} code_point Next code point read from the stream. | |
| * @return {(number|!Array.<number>)} Byte(s) to emit. | |
| */ | |
| handler(stream, code_point) { | |
| // 1.If code point is end-of-stream, return finished. | |
| if (code_point === end_of_stream) | |
| return finished; | |
| // 2. If code point is an ASCII code point, return a byte whose | |
| // value is code point. | |
| if (isASCIICodePoint(code_point)) | |
| return code_point; | |
| // 3. If code point is in the range U+F780 to U+F7FF, inclusive, | |
| // return a byte whose value is code point − 0xF780 + 0x80. | |
| if (inRange(code_point, 0xF780, 0xF7FF)) | |
| return code_point - 0xF780 + 0x80; | |
| // 4. Return error with code point. | |
| return encoderError(code_point); | |
| } | |
| } | |
| //# sourceMappingURL=XUserDefinedEncoder.js.map |
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