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<?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);
}
}
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