interface/modules/zend_modules/library/Zend/Validator/Barcode/Codabar.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Validator\Barcode;
  11
  12 class Codabar extends AbstractAdapter
  13 {
  14     /**
  15      * Constructor for this barcode adapter
  16      */
  17     public function __construct()
  18     {
  19         $this->setLength(-1);
  20         $this->setCharacters('0123456789-$:/.+ABCDTN*E');
  21         $this->useChecksum(false);
  22     }
  23
  24     /**
  25      * Checks for allowed characters
  26      * @see Zend\Validator\Barcode.AbstractAdapter::checkChars()
  27      */
  28     public function hasValidCharacters($value)
  29     {
  30         if (strpbrk($value, 'ABCD')) {
  31             $first = $value[0];
  32             if (!strpbrk($first, 'ABCD')) {
  33                 // Missing start char
  34                 return false;
  35             }
  36
  37             $last = substr($value, -1, 1);
  38             if (!strpbrk($last, 'ABCD')) {
  39                 // Missing stop char
  40                 return false;
  41             }
  42
  43             $value = substr($value, 1, -1);
  44         } elseif (strpbrk($value, 'TN*E')) {
  45             $first = $value[0];
  46             if (!strpbrk($first, 'TN*E')) {
  47                 // Missing start char
  48                 return false;
  49             }
  50
  51             $last = substr($value, -1, 1);
  52             if (!strpbrk($last, 'TN*E')) {
  53                 // Missing stop char
  54                 return false;
  55             }
  56
  57             $value = substr($value, 1, -1);
  58         }
  59
  60         $chars  = $this->getCharacters();
  61         $this->setCharacters('0123456789-$:/.+');
  62         $result = parent::hasValidCharacters($value);
  63         $this->setCharacters($chars);
  64         return $result;
  65     }
  66 }