File indexing completed on 2025-01-19 05:21:37

 <?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_AdapterInterface
  */
 // require_once 'Zend/Validate/Barcode/AdapterInterface.php';
 
 /**
  * @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
  */
 abstract class Zend_Validate_Barcode_AdapterAbstract
     implements Zend_Validate_Barcode_AdapterInterface
 {
     /**
      * Allowed barcode lengths
      * @var integer|array|string
      */
     protected $_length;
 
     /**
      * Allowed barcode characters
      * @var string
      */
     protected $_characters;
 
     /**
      * Callback to checksum function
      * @var string|array
      */
     protected $_checksum;
 
     /**
      * Is a checksum value included?
      * @var boolean
      */
     protected $_hasChecksum = true;
 
     /**
      * Checks the length of a barcode
      *
      * @param  string $value The barcode to check for proper length
      * @return boolean
      */
     public function checkLength($value)
     {
         if (!is_string($value)) {
             return false;
         }
 
         $fixum  = strlen($value);
         $found  = false;
         $length = $this->getLength();
         if (is_array($length)) {
             foreach ($length as $value) {
                 if ($fixum == $value) {
                     $found = true;
                 }
 
                 if ($value == -1) {
                     $found = true;
                 }
             }
         } elseif ($fixum == $length) {
             $found = true;
         } elseif ($length == -1) {
             $found = true;
         } elseif ($length == 'even') {
             $count = $fixum % 2;
             $found = ($count == 0) ? true : false;
         } elseif ($length == 'odd') {
             $count = $fixum % 2;
             $found = ($count == 1) ? true : false;
         }
 
         return $found;
     }
 
     /**
      * Checks for allowed characters within the barcode
      *
      * @param  string $value The barcode to check for allowed characters
      * @return boolean
      */
     public function checkChars($value)
     {
         if (!is_string($value)) {
             return false;
         }
 
         $characters = $this->getCharacters();
         if ($characters == 128) {
             for ($x = 0; $x < 128; ++$x) {
                 $value = str_replace(chr($x), '', $value);
             }
         } else {
             $chars = str_split($characters);
             foreach ($chars as $char) {
                 $value = str_replace($char, '', $value);
             }
         }
 
         if (strlen($value) > 0) {
             return false;
         }
 
         return true;
     }
 
     /**
      * Validates the checksum
      *
      * @param  string $value The barcode to check the checksum for
      * @return boolean
      */
     public function checksum($value)
     {
         $checksum = $this->getChecksum();
         if (!empty($checksum)) {
             if (method_exists($this, $checksum)) {
                 return call_user_func(array($this, $checksum), $value);
             }
         }
 
         return false;
     }
 
     /**
      * Returns the allowed barcode length
      *
      * @return string
      */
     public function getLength()
     {
         return $this->_length;
     }
 
     /**
      * Returns the allowed characters
      *
      * @return integer|string
      */
     public function getCharacters()
     {
         return $this->_characters;
     }
 
     /**
      * Returns the checksum function name
      *
      */
     public function getChecksum()
     {
         return $this->_checksum;
     }
 
     /**
      * Returns if barcode uses checksum
      *
      * @return boolean
      */
     public function getCheck()
     {
         return $this->_hasChecksum;
     }
 
     /**
      * Sets the checksum validation
      *
      * @param  boolean $check
      * @return Zend_Validate_Barcode_AdapterAbstract
      */
     public function setCheck($check)
     {
         $this->_hasChecksum = (boolean) $check;
         return $this;
     }
 
     /**
      * Validates the checksum (Modulo 10)
      * GTIN implementation factor 3
      *
      * @param  string $value The barcode to validate
      * @return boolean
      */
     protected function _gtin($value)
     {
         $barcode = substr($value, 0, -1);
         $sum     = 0;
         $length  = strlen($barcode) - 1;
 
         for ($i = 0; $i <= $length; $i++) {
             if (($i % 2) === 0) {
                 $sum += $barcode[$length - $i] * 3;
             } else {
                 $sum += $barcode[$length - $i];
             }
         }
 
         $calc     = $sum % 10;
         $checksum = ($calc === 0) ? 0 : (10 - $calc);
         if ($value[$length + 1] != $checksum) {
             return false;
         }
 
         return true;
     }
 
     /**
      * Validates the checksum (Modulo 10)
      * IDENTCODE implementation factors 9 and 4
      *
      * @param  string $value The barcode to validate
      * @return boolean
      */
     protected function _identcode($value)
     {
         $barcode = substr($value, 0, -1);
         $sum     = 0;
         $length  = strlen($value) - 2;
 
         for ($i = 0; $i <= $length; $i++) {
             if (($i % 2) === 0) {
                 $sum += $barcode[$length - $i] * 4;
             } else {
                 $sum += $barcode[$length - $i] * 9;
             }
         }
 
         $calc     = $sum % 10;
         $checksum = ($calc === 0) ? 0 : (10 - $calc);
         if ($value[$length + 1] != $checksum) {
             return false;
         }
 
         return true;
     }
 
     /**
      * Validates the checksum (Modulo 10)
      * CODE25 implementation factor 3
      *
      * @param  string $value The barcode to validate
      * @return boolean
      */
     protected function _code25($value)
     {
         $barcode = substr($value, 0, -1);
         $sum     = 0;
         $length  = strlen($barcode) - 1;
 
         for ($i = 0; $i <= $length; $i++) {
             if (($i % 2) === 0) {
                 $sum += $barcode[$i] * 3;
             } else {
                 $sum += $barcode[$i];
             }
         }
 
         $calc     = $sum % 10;
         $checksum = ($calc === 0) ? 0 : (10 - $calc);
         if ($value[$length + 1] != $checksum) {
             return false;
         }
 
         return true;
     }
 
     /**
      * Validates the checksum ()
      * POSTNET implementation
      *
      * @param  string $value The barcode to validate
      * @return boolean
      */
     protected function _postnet($value)
     {
         $checksum = substr($value, -1, 1);
         $values   = str_split(substr($value, 0, -1));
 
         $check = 0;
         foreach($values as $row) {
             $check += $row;
         }
 
         $check %= 10;
         $check = 10 - $check;
         if ($check == $checksum) {
             return true;
         }
 
         return false;
     }
 }