<?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_Barcode

 * @subpackage Object

 * @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: Identcode.php 20096 2010-01-06 02:05:09Z bkarwin $

 */

/**

 * @see Zend_Barcode_Object_Code25interleaved

 */

require_once 'Zend/Barcode/Object/Code25interleaved.php';

/**

 * @see Zend_Validate_Barcode

 */

require_once 'Zend/Validate/Barcode.php';

/**

 * Class for generate Identcode barcode

 *

 * @category   Zend

 * @package    Zend_Barcode

 * @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_Barcode_Object_Identcode extends Zend_Barcode_Object_Code25interleaved

{

    /**

     * Default options for Identcode barcode

     * @return void

     */

    protected function _getDefaultOptions()

    {

        $this->_barcodeLength = 12;

        $this->_mandatoryChecksum = true;

    }

    /**

     * Retrieve text to display

     * @return string

     */

    public function getTextToDisplay()

    {

        return preg_replace('/([0-9]{2})([0-9]{3})([0-9]{3})([0-9]{3})([0-9])/',

                            '$1.$2 $3.$4 $5',

                            $this->getText());

    }

    /**

     * Check allowed characters

     * @param string $value

     * @return string

     * @throw Zend_Barcode_Object_Exception

     */

    public function validateText($value)

    {

        $this->_validateText($value, array('validator' => $this->getType()));

    }

    /**

     * Get barcode checksum

     *

     * @param  string $text

     * @return int

     */

    public function getChecksum($text)

    {

        $this->_checkText($text);

        $checksum = 0;

        for ($i = strlen($text); $i > 0; $i --) {

            $checksum += intval($text{$i - 1}) * (($i % 2) ? 4 : 9);

        }

        $checksum = (10 - ($checksum % 10)) % 10;

        return $checksum;

    }

}