diff options
Diffstat (limited to 'library/vendor/Zend/Validate/Barcode/Code93.php')
-rw-r--r-- | library/vendor/Zend/Validate/Barcode/Code93.php | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/library/vendor/Zend/Validate/Barcode/Code93.php b/library/vendor/Zend/Validate/Barcode/Code93.php new file mode 100644 index 0000000..2f83ee8 --- /dev/null +++ b/library/vendor/Zend/Validate/Barcode/Code93.php @@ -0,0 +1,117 @@ +<?php +/** + * Zend Framework + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE.txt. + * It is also available through the world-wide-web at this URL: + * http://framework.zend.com/license/new-bsd + * If you did not receive a copy of the license and are unable to + * obtain it through the world-wide-web, please send an email + * to license@zend.com so we can send you a copy immediately. + * + * @category Zend + * @package Zend_Validate + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @version $Id$ + */ + +/** + * @see Zend_Validate_Barcode_AdapterAbstract + */ + +/** + * @category Zend + * @package Zend_Validate + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Validate_Barcode_Code93 extends Zend_Validate_Barcode_AdapterAbstract +{ + /** + * Allowed barcode lengths + * @var integer + */ + protected $_length = -1; + + /** + * Allowed barcode characters + * @var string + */ + protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ -.$/+%'; + + /** + * Checksum function + * @var string + */ + protected $_checksum = '_code93'; + + /** + * Note that the characters !"§& are only synonyms + * @var array + */ + protected $_check = array( + '0' => 0, '1' => 1, '2' => 2, '3' => 3, '4' => 4, '5' => 5, '6' => 6, + '7' => 7, '8' => 8, '9' => 9, 'A' => 10, 'B' => 11, 'C' => 12, 'D' => 13, + 'E' => 14, 'F' => 15, 'G' => 16, 'H' => 17, 'I' => 18, 'J' => 19, 'K' => 20, + 'L' => 21, 'M' => 22, 'N' => 23, 'O' => 24, 'P' => 25, 'Q' => 26, 'R' => 27, + 'S' => 28, 'T' => 29, 'U' => 30, 'V' => 31, 'W' => 32, 'X' => 33, 'Y' => 34, + 'Z' => 35, '-' => 36, '.' => 37, ' ' => 38, '$' => 39, '/' => 40, '+' => 41, + '%' => 42, '!' => 43, '"' => 44, '§' => 45, '&' => 46, + ); + + /** + * Constructor + * + * Sets check flag to false. + */ + public function __construct() + { + $this->setCheck(false); + } + + /** + * Validates the checksum (Modulo CK) + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _code93($value) + { + $checksum = substr($value, -2, 2); + $value = str_split(substr($value, 0, -2)); + $count = 0; + $length = count($value) % 20; + foreach($value as $char) { + if ($length == 0) { + $length = 20; + } + + $count += $this->_check[$char] * $length; + --$length; + } + + $check = array_search(($count % 47), $this->_check); + $value[] = $check; + $count = 0; + $length = count($value) % 15; + foreach($value as $char) { + if ($length == 0) { + $length = 15; + } + + $count += $this->_check[$char] * $length; + --$length; + } + $check .= array_search(($count % 47), $this->_check); + + if ($check == $checksum) { + return true; + } + + return false; + } +} |