/framework/vendor/zend/Zend/Pdf/Element/String/Binary.php
http://zoop.googlecode.com/ · PHP · 98 lines · 31 code · 12 blank · 55 comment · 3 complexity · 1440a6b84869e92e837acd18f21df794 MD5 · raw file
- <?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) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @version $Id: Binary.php 20096 2010-01-06 02:05:09Z bkarwin $
- */
- /** 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) 2005-2010 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) . '>';
- }
- }