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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | 32x 12x 16x 5x 16x 6x 6x 6x 20x 6x 2x 6x 16x 3x 16x | 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 key 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,
/**
* Vehicle Identification Number (VIN).
*
* See: https://www.iso.org/standard/52200.html.
*/
VIN = 6,
/**
* US Uniformed Services ID.
*
* See: https://www.cac.mil.
*/
US_USID = 7,
}
}
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