You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
<?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_Pdf * @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 $Id$ */
/** Zend_Pdf_Element_String */ // require_once 'Zend/Pdf/Element/String.php';
/** * PDF file 'binary string' element implementation * * @category Zend * @package Zend_Pdf * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Pdf_Element_String_Binary extends Zend_Pdf_Element_String { /** * Object value * * @var string */ public $value;
/** * Escape string according to the PDF rules * * @param string $inStr * @return string */ public static function escape($inStr) { return strtoupper(bin2hex($inStr)); }
/** * Unescape string according to the PDF rules * * @param string $inStr * @return string */ public static function unescape($inStr) { $chunks = array(); $offset = 0; $length = 0; while ($offset < strlen($inStr)) { // Collect hexadecimal characters
$start = $offset; $offset += strspn($inStr, "0123456789abcdefABCDEF", $offset); $chunks[] = substr($inStr, $start, $offset - $start); $length += strlen(end($chunks));
// Skip non-hexadecimal characters
$offset += strcspn($inStr, "0123456789abcdefABCDEF", $offset); } if ($length % 2 != 0) { // We have odd number of digits.
// Final digit is assumed to be '0'
$chunks[] = '0'; }
return pack('H*' , implode($chunks)); }
/** * Return object as string * * @param Zend_Pdf_Factory $factory * @return string */ public function toString($factory = null) { return '<' . self::escape((string)$this->value) . '>'; } }
|