/library/Zend/Pdf/Element/String/Binary.php
PHP | 110 lines | 42 code | 16 blank | 52 comment | 7 complexity | 62dfaf03aea537f0d2ec3471d16c4f09 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) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- /** 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) 2005-2008 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)
- {
- $outStr = '';
- for ($count = 0; $count < strlen($inStr); $count++) {
- $outStr .= sprintf('%02X', ord($inStr[$count]));
- }
- return $outStr;
- }
- /**
- * Unescape string according to the PDF rules
- *
- * @param string $inStr
- * @return string
- */
- public static function unescape($inStr)
- {
- $outStr = '';
- $nextHexCode = '';
- for ($count = 0; $count < strlen($inStr); $count++) {
- $nextCharCode = ord($inStr[$count]);
- if( ($nextCharCode >= 48 /*'0'*/ &&
- $nextCharCode <= 57 /*'9'*/ ) ||
- ($nextCharCode >= 97 /*'a'*/ &&
- $nextCharCode <= 102 /*'f'*/ ) ||
- ($nextCharCode >= 65 /*'A'*/ &&
- $nextCharCode <= 70 /*'F'*/ ) ) {
- $nextHexCode .= $inStr[$count];
- }
- if (strlen($nextHexCode) == 2) {
- $outStr .= chr(intval($nextHexCode, 16));
- $nextHexCode = '';
- }
- }
- if ($nextHexCode != '') {
- // We have odd number of digits.
- // Final digit is assumed to be '0'
- $outStr .= chr(base_convert($nextHexCode . '0', 16, 10));
- }
- return $outStr;
- }
- /**
- * Return object as string
- *
- * @param Zend_Pdf_Factory $factory
- * @return string
- */
- public function toString($factory = null)
- {
- return '<' . self::escape((string)$this->value) . '>';
- }
- }