<?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id: Name.php 18993 2009-11-15 17:09:16Z alexander $ */ /** Zend_Pdf_Element */ require_once 'Zend/Pdf/Element.php'; /** * PDF file 'name' element implementation * * @category Zend * @package Zend_Pdf * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Pdf_Element_Name extends Zend_Pdf_Element { /** * Object value * * @var string */ public $value; /** * Object constructor * * @param string $val * @throws Zend_Pdf_Exception */ public function __construct($val) { settype($val, 'string'); if (strpos($val,"\x00") !== false) { require_once 'Zend/Pdf/Exception.php'; throw new Zend_Pdf_Exception('Null character is not allowed in PDF Names'); } $this->value = (string)$val; } /** * Return type of the element. * * @return integer */ public function getType() { return Zend_Pdf_Element::TYPE_NAME; } /** * 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++) { $nextCode = ord($inStr[$count]); switch ($inStr[$count]) { case '(': // fall through to next case case ')': // fall through to next case case '<': // fall through to next case case '>': // fall through to next case case '[': // fall through to next case case ']': // fall through to next case case '{': // fall through to next case case '}': // fall through to next case case '/': // fall through to next case case '%': // fall through to next case case '\\': // fall through to next case case '#': $outStr .= sprintf('#%02X', $nextCode); break; default: if ($nextCode >= 33 && $nextCode <= 126 ) { // Visible ASCII symbol $outStr .= $inStr[$count]; } else { $outStr .= sprintf('#%02X', $nextCode); } } } return $outStr; } /** * Unescape string according to the PDF rules * * @param string $inStr * @return string */ public static function unescape($inStr) { $outStr = ''; for ($count = 0; $count < strlen($inStr); $count++) { if ($inStr[$count] != '#' ) { $outStr .= $inStr[$count]; } else { // Escape sequence $outStr .= chr(base_convert(substr($inStr, $count+1, 2), 16, 10 )); $count +=2; } } return $outStr; } /** * Return object as string * * @param Zend_Pdf_Factory $factory * @return string */ public function toString($factory = null) { return '/' . self::escape((string)$this->value); } }