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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | 28x 10x 14x 5x 14x 6x 6x 6x 20x 6x 2x 6x 14x 3x 14x | import { ParserResult } from "./parserResult";
import { Scanner } from "./scanner";
// Deprecated but useful function for easy UTF-8 handling
/**
* @hidden
*/
declare function escape(s: string): string;
/**
* A data string parser.
*
* Parsers are capable of parsing one particular data format, which is passed to them during construction.
*
* The parser is created through [[BarcodePicker.createParserForFormat]] or [[Scanner.createParserForFormat]].
* Note that you need to have a valid license with the parsing feature enabled to use the parser functionalities.
*
* For documentation on the available formats, check the official parser library documentation here:
* https://docs.scandit.com/parser/formats.html.
*/
export class Parser {
private options?: object;
/**
* @hidden
*
* @param scanner The [[Scanner]] object used to interact with the external Scandit library.
* @param dataFormat The data format for this parser.
*/
constructor(private readonly scanner: Scanner, private readonly dataFormat: Parser.DataFormat) {}
/**
* Apply the option map to the parser, allowing the user to fine-tune the behaviour of the parser.
* Available options depend on the data format and are specified in the respective documentation.
*
* @param options The new options to be applied (replacing previous ones, if any).
*/
public setOptions(options?: object): void {
this.options = options;
}
/**
* Process the given raw data with the parser, retrieving the result as a [[ParserResult]] object.
*
* Multiple requests done without waiting for previous results will be queued and handled in order.
*
* If parsing of the data fails the returned promise is rejected with a `ScanditEngineError` error.
*
* @param dataRaw The raw data to be parsed.
* @returns A promise resolving to the [[ParserResult]] object.
*/
public parseRawData(dataRaw: Uint8Array): Promise<ParserResult> {
let dataString: string = "";
try {
dataRaw.forEach((byte: number) => {
dataString += String.fromCharCode(byte);
});
dataString = decodeURIComponent(escape(dataString));
} catch {
dataString = "";
}
return this.scanner.parseString(this.dataFormat, dataString, this.options);
}
/**
* Process the given string data with the parser, retrieving the result as a [[ParserResult]] object.
*
* Multiple requests done without waiting for previous results will be queued and handled in order.
*
* If parsing of the data fails the returned promise is rejected with a `ScanditEngineError` error.
*
* @param dataString The string to be parsed.
* @returns A promise resolving to the [[ParserResult]] object.
*/
public parseString(dataString: string): Promise<ParserResult> {
return this.scanner.parseString(this.dataFormat, dataString, this.options);
}
}
// istanbul ignore next
export namespace Parser {
/**
* Data format of a string to be parsed into a set of key-value mappings by the Scandit Parser Library.
*
* See https://docs.scandit.com/parser/formats.html for more details.
*/
export enum DataFormat {
/**
* GS1 Application Identifier (AI).
*
* See: http://www.gs1.org/docs/barcodes/GS1_General_Specifications.pdf.
*/
GS1_AI = 1,
/**
* Health Industry Bar Code (HIBC).
*
* See: http://www.hibcc.org.
*/
HIBC = 2,
/**
* AAMVA Driver License/Identification (DL/ID).
*
* See: http://www.aamva.org.
*/
DLID = 3,
/**
* ICAO Machine Readable Travel Document (MRTD).
*
* See: https://www.icao.int.
*/
MRTD = 4,
/**
* Swiss QR ISO 20022.
*
* See: https://www.paymentstandards.ch.
*/
SWISSQR = 5
}
}
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