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161 lines
4.1 KiB
161 lines
4.1 KiB
<?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) 2005-2014 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 $Id$
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*/
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/** Zend_Pdf_Element */
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// require_once 'Zend/Pdf/Element.php';
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/**
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* PDF file 'name' 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) 2005-2014 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_Name extends Zend_Pdf_Element
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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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* Object constructor
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*
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* @param string $val
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* @throws Zend_Pdf_Exception
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*/
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public function __construct($val)
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{
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settype($val, 'string');
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if (strpos($val,"\x00") !== false) {
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// require_once 'Zend/Pdf/Exception.php';
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throw new Zend_Pdf_Exception('Null character is not allowed in PDF Names');
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}
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$this->value = (string)$val;
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}
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/**
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* Return type of the element.
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*
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* @return integer
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*/
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public function getType()
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{
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return Zend_Pdf_Element::TYPE_NAME;
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}
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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); $count++) {
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$nextCode = ord($inStr[$count]);
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switch ($inStr[$count]) {
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case '(':
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// fall through to next case
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case ')':
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// fall through to next case
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case '<':
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// fall through to next case
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case '>':
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// fall through to next case
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case '[':
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// fall through to next case
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case ']':
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// fall through to next case
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case '{':
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// fall through to next case
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case '}':
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// fall through to next case
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case '/':
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// fall through to next case
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case '%':
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// fall through to next case
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case '\\':
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// fall through to next case
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case '#':
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$outStr .= sprintf('#%02X', $nextCode);
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break;
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default:
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if ($nextCode >= 33 && $nextCode <= 126 ) {
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// Visible ASCII symbol
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$outStr .= $inStr[$count];
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} else {
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$outStr .= sprintf('#%02X', $nextCode);
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}
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}
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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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$outStr = '';
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for ($count = 0; $count < strlen($inStr); $count++) {
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if ($inStr[$count] != '#' ) {
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$outStr .= $inStr[$count];
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} else {
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// Escape sequence
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$outStr .= chr(base_convert(substr($inStr, $count+1, 2), 16, 10 ));
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$count +=2;
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}
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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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