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112 lines
2.9 KiB
PHTML
112 lines
2.9 KiB
PHTML
15 years ago
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Binary.php 16541 2009-07-07 06:59:03Z bkarwin $
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*/
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/** Zend_Pdf_Element_String */
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require_once 'Zend/Pdf/Element/String.php';
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/**
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* PDF file 'binary string' element implementation
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*
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* @category Zend
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* @package Zend_Pdf
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Pdf_Element_String_Binary extends Zend_Pdf_Element_String
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{
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/**
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* Object value
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*
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* @var string
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*/
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public $value;
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/**
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* Escape string according to the PDF rules
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*
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* @param string $inStr
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* @return string
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*/
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public static function escape($inStr)
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{
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$outStr = '';
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for ($count = 0; $count < strlen($inStr); $count++) {
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$outStr .= sprintf('%02X', ord($inStr[$count]));
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}
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return $outStr;
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}
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/**
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* Unescape string according to the PDF rules
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*
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* @param string $inStr
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* @return string
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*/
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public static function unescape($inStr)
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{
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$outStr = '';
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$nextHexCode = '';
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for ($count = 0; $count < strlen($inStr); $count++) {
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$nextCharCode = ord($inStr[$count]);
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if( ($nextCharCode >= 48 /*'0'*/ &&
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$nextCharCode <= 57 /*'9'*/ ) ||
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($nextCharCode >= 97 /*'a'*/ &&
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$nextCharCode <= 102 /*'f'*/ ) ||
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($nextCharCode >= 65 /*'A'*/ &&
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$nextCharCode <= 70 /*'F'*/ ) ) {
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$nextHexCode .= $inStr[$count];
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}
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if (strlen($nextHexCode) == 2) {
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$outStr .= chr(intval($nextHexCode, 16));
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$nextHexCode = '';
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}
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}
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if ($nextHexCode != '') {
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// We have odd number of digits.
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// Final digit is assumed to be '0'
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$outStr .= chr(base_convert($nextHexCode . '0', 16, 10));
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}
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return $outStr;
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}
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/**
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* Return object as string
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*
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* @param Zend_Pdf_Factory $factory
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* @return string
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*/
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public function toString($factory = null)
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{
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return '<' . self::escape((string)$this->value) . '>';
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}
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}
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