diff options
Diffstat (limited to 'libs/Zend/Validate/Barcode/Royalmail.php')
| -rw-r--r-- | libs/Zend/Validate/Barcode/Royalmail.php | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/libs/Zend/Validate/Barcode/Royalmail.php b/libs/Zend/Validate/Barcode/Royalmail.php new file mode 100644 index 0000000000..0bcdf1e16c --- /dev/null +++ b/libs/Zend/Validate/Barcode/Royalmail.php @@ -0,0 +1,121 @@ +<?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) 2005-2010 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 + */ +// require_once 'Zend/Validate/Barcode/AdapterAbstract.php'; + +/** + * @category Zend + * @package Zend_Validate + * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + */ +class Zend_Validate_Barcode_Royalmail extends Zend_Validate_Barcode_AdapterAbstract +{ + /** + * Allowed barcode lengths + * @var integer + */ + protected $_length = -1; + + /** + * Allowed barcode characters + * @var string + */ + protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'; + + protected $_rows = array( + '0' => 1, '1' => 1, '2' => 1, '3' => 1, '4' => 1, '5' => 1, + '6' => 2, '7' => 2, '8' => 2, '9' => 2, 'A' => 2, 'B' => 2, + 'C' => 3, 'D' => 3, 'E' => 3, 'F' => 3, 'G' => 3, 'H' => 3, + 'I' => 4, 'J' => 4, 'K' => 4, 'L' => 4, 'M' => 4, 'N' => 4, + 'O' => 5, 'P' => 5, 'Q' => 5, 'R' => 5, 'S' => 5, 'T' => 5, + 'U' => 0, 'V' => 0, 'W' => 0, 'X' => 0, 'Y' => 0, 'Z' => 0, + ); + + protected $_columns = array( + '0' => 1, '1' => 2, '2' => 3, '3' => 4, '4' => 5, '5' => 0, + '6' => 1, '7' => 2, '8' => 3, '9' => 4, 'A' => 5, 'B' => 0, + 'C' => 1, 'D' => 2, 'E' => 3, 'F' => 4, 'G' => 5, 'H' => 0, + 'I' => 1, 'J' => 2, 'K' => 3, 'L' => 4, 'M' => 5, 'N' => 0, + 'O' => 1, 'P' => 2, 'Q' => 3, 'R' => 4, 'S' => 5, 'T' => 0, + 'U' => 1, 'V' => 2, 'W' => 3, 'X' => 4, 'Y' => 5, 'Z' => 0, + ); + + /** + * Checksum function + * @var string + */ + protected $_checksum = '_royalmail'; + + /** + * Validates the checksum () + * + * @param string $value The barcode to validate + * @return boolean + */ + protected function _royalmail($value) + { + $checksum = substr($value, -1, 1); + $values = str_split(substr($value, 0, -1)); + $rowvalue = 0; + $colvalue = 0; + foreach($values as $row) { + $rowvalue += $this->_rows[$row]; + $colvalue += $this->_columns[$row]; + } + + $rowvalue %= 6; + $colvalue %= 6; + + $rowchkvalue = array_keys($this->_rows, $rowvalue); + $colchkvalue = array_keys($this->_columns, $colvalue); + $chkvalue = current(array_intersect($rowchkvalue, $colchkvalue)); + if ($chkvalue == $checksum) { + return true; + } + + return false; + } + + /** + * Allows start and stop tag within checked chars + * + * @param string $value The barcode to check for allowed characters + * @return boolean + */ + public function checkChars($value) + { + if ($value[0] == '(') { + $value = substr($value, 1); + + if ($value[strlen($value) - 1] == ')') { + $value = substr($value, 0, -1); + } else { + return false; + } + } + + return parent::checkChars($value); + } +} |