interface/modules/zend_modules/library/Zend/Barcode/Object/Identcode.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) 2005-2013 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\Barcode\Object;
  11
  12 /**
  13  * Class for generate Identcode barcode
  14  */
  15 class Identcode extends Code25interleaved
  16 {
  17
  18     /**
  19      * Default options for Identcode barcode
  20      * @return void
  21      */
  22     protected function getDefaultOptions()
  23     {
  24         $this->barcodeLength = 12;
  25         $this->mandatoryChecksum = true;
  26     }
  27
  28     /**
  29      * Retrieve text to display
  30      * @return string
  31      */
  32     public function getTextToDisplay()
  33     {
  34         return preg_replace('/([0-9]{2})([0-9]{3})([0-9]{3})([0-9]{3})([0-9])/',
  35                             '$1.$2 $3.$4 $5',
  36                             $this->getText());
  37     }
  38
  39     /**
  40      * Check allowed characters
  41      * @param  string $value
  42      * @return string
  43      * @throws  Exception
  44      */
  45     public function validateText($value)
  46     {
  47         $this->validateSpecificText($value, array('validator' => $this->getType()));
  48     }
  49
  50     /**
  51      * Get barcode checksum
  52      *
  53      * @param  string $text
  54      * @return int
  55      */
  56     public function getChecksum($text)
  57     {
  58         $this->checkText($text);
  59         $checksum = 0;
  60
  61         for ($i = strlen($text); $i > 0; $i --) {
  62             $checksum += intval($text{$i - 1}) * (($i % 2) ? 4 : 9);
  63         }
  64
  65         $checksum = (10 - ($checksum % 10)) % 10;
  66
  67         return $checksum;
  68     }
  69 }