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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Validate |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: Royalmail.php 20785 2010-01-31 09:43:03Z mikaelkael $ |
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20 */ |
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21 |
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22 /** |
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23 * @see Zend_Validate_Barcode_AdapterAbstract |
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24 */ |
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25 require_once 'Zend/Validate/Barcode/AdapterAbstract.php'; |
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26 |
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27 /** |
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28 * @category Zend |
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29 * @package Zend_Validate |
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30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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31 * @license http://framework.zend.com/license/new-bsd New BSD License |
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32 */ |
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33 class Zend_Validate_Barcode_Royalmail extends Zend_Validate_Barcode_AdapterAbstract |
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34 { |
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35 /** |
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36 * Allowed barcode lengths |
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37 * @var integer |
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38 */ |
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39 protected $_length = -1; |
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40 |
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41 /** |
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42 * Allowed barcode characters |
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43 * @var string |
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44 */ |
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45 protected $_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
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46 |
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47 protected $_rows = array( |
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48 '0' => 1, '1' => 1, '2' => 1, '3' => 1, '4' => 1, '5' => 1, |
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49 '6' => 2, '7' => 2, '8' => 2, '9' => 2, 'A' => 2, 'B' => 2, |
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50 'C' => 3, 'D' => 3, 'E' => 3, 'F' => 3, 'G' => 3, 'H' => 3, |
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51 'I' => 4, 'J' => 4, 'K' => 4, 'L' => 4, 'M' => 4, 'N' => 4, |
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52 'O' => 5, 'P' => 5, 'Q' => 5, 'R' => 5, 'S' => 5, 'T' => 5, |
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53 'U' => 0, 'V' => 0, 'W' => 0, 'X' => 0, 'Y' => 0, 'Z' => 0, |
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54 ); |
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55 |
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56 protected $_columns = array( |
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57 '0' => 1, '1' => 2, '2' => 3, '3' => 4, '4' => 5, '5' => 0, |
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58 '6' => 1, '7' => 2, '8' => 3, '9' => 4, 'A' => 5, 'B' => 0, |
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59 'C' => 1, 'D' => 2, 'E' => 3, 'F' => 4, 'G' => 5, 'H' => 0, |
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60 'I' => 1, 'J' => 2, 'K' => 3, 'L' => 4, 'M' => 5, 'N' => 0, |
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61 'O' => 1, 'P' => 2, 'Q' => 3, 'R' => 4, 'S' => 5, 'T' => 0, |
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62 'U' => 1, 'V' => 2, 'W' => 3, 'X' => 4, 'Y' => 5, 'Z' => 0, |
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63 ); |
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64 |
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65 /** |
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66 * Checksum function |
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67 * @var string |
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68 */ |
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69 protected $_checksum = '_royalmail'; |
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70 |
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71 /** |
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72 * Validates the checksum () |
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73 * |
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74 * @param string $value The barcode to validate |
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75 * @return boolean |
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76 */ |
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77 protected function _royalmail($value) |
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78 { |
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79 $checksum = substr($value, -1, 1); |
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80 $values = str_split(substr($value, 0, -1)); |
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81 $rowvalue = 0; |
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82 $colvalue = 0; |
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83 foreach($values as $row) { |
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84 $rowvalue += $this->_rows[$row]; |
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85 $colvalue += $this->_columns[$row]; |
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86 } |
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87 |
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88 $rowvalue %= 6; |
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89 $colvalue %= 6; |
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90 |
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91 $rowchkvalue = array_keys($this->_rows, $rowvalue); |
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92 $colchkvalue = array_keys($this->_columns, $colvalue); |
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93 $chkvalue = current(array_intersect($rowchkvalue, $colchkvalue)); |
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94 if ($chkvalue == $checksum) { |
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95 return true; |
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96 } |
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97 |
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98 return false; |
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99 } |
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100 |
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101 /** |
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102 * Allows start and stop tag within checked chars |
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103 * |
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104 * @param string $value The barcode to check for allowed characters |
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105 * @return boolean |
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106 */ |
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107 public function checkChars($value) |
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108 { |
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109 if ($value[0] == '(') { |
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110 $value = substr($value, 1); |
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111 |
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112 if ($value[strlen($value) - 1] == ')') { |
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113 $value = substr($value, 0, -1); |
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114 } else { |
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115 return false; |
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116 } |
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117 } |
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118 |
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119 return parent::checkChars($value); |
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120 } |
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121 } |