zxing-js/library

import AI01decoder from './AI01decoder';
import BitArray from '../../../../common/BitArray';
import NotFoundException from '../../../../NotFoundException';
import StringBuilder from '../../../../util/StringBuilder';

export default class AI01392xDecoder extends AI01decoder {
  private static readonly HEADER_SIZE = 5 + 1 + 2;
  private static readonly LAST_DIGIT_SIZE = 2;

  constructor(information: BitArray) {
    super(information);
  }

  public parseInformation(): string {
    if (this.getInformation().getSize() < AI01392xDecoder.HEADER_SIZE + AI01decoder.GTIN_SIZE) {
      throw new NotFoundException();
    }
    let buf = new StringBuilder();

    this.encodeCompressedGtin(buf, AI01392xDecoder.HEADER_SIZE);

    let lastAIdigit = this.getGeneralDecoder().extractNumericValueFromBitArray(AI01392xDecoder.HEADER_SIZE + AI01decoder.GTIN_SIZE, AI01392xDecoder.LAST_DIGIT_SIZE);
    buf.append('(392');
    buf.append(lastAIdigit);
    buf.append(')');

    let decodedInformation = this.getGeneralDecoder().decodeGeneralPurposeField(AI01392xDecoder.HEADER_SIZE + AI01decoder.GTIN_SIZE + AI01392xDecoder.LAST_DIGIT_SIZE, null);
    buf.append(decodedInformation.getNewString());

    return buf.toString();
  }
}