Source: Data/Byte.js

  1. /**
  2.  * @created      11.07.2022
  3.  * @author       smiley <smiley@chillerlan.net>
  4.  * @copyright    2022 smiley
  5.  * @license      MIT
  6.  */
  8. import QRDataModeAbstract from './QRDataModeAbstract.js';
  9. import PHPJS from '../Common/PHPJS.js';
  10. import {MODE_BYTE} from '../Common/constants.js';
  12. /**
  13.  * Byte mode, ISO-8859-1 or UTF-8
  14.  *
  15.  * ISO/IEC 18004:2000 Section 8.3.4
  16.  * ISO/IEC 18004:2000 Section 8.4.4
  17.  */
  18. export default class Byte extends QRDataModeAbstract{
  20. 	/**
  21. 	 * @inheritDoc
  22. 	 */
  23. 	datamode = MODE_BYTE;
  25. 	/**
  26. 	 * @inheritDoc
  27. 	 */
  28. 	getLengthInBits(){
  29. 		return this.getCharCount() * 8;
  30. 	}
  32. 	/**
  33. 	 * @inheritDoc
  34. 	 */
  35. 	static validateString($string){
  36. 		return typeof $string === 'string' && !!$string.length;
  37. 	}
  39. 	/**
  40. 	 * @inheritDoc
  41. 	 */
  42. 	write($bitBuffer, $versionNumber){
  43. 		let $len  = this.getCharCount();
  44. 		let $data = this.data.split('');
  46. 		$bitBuffer
  47. 			.put(this.datamode, 4)
  48. 			.put($len, this.getLengthBitsForVersion($versionNumber))
  49. 		;
  51. 		let $i = 0;
  53. 		while($i < $len){
  54. 			$bitBuffer.put(PHPJS.ord($data[$i]), 8);
  55. 			$i++;
  56. 		}
  58. 	}
  60. }