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<?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) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License * @version $Id$ */
/** Internally used classes */ // require_once 'Zend/Pdf/Element/Name.php';
/** Zend_Pdf_Element */ // require_once 'Zend/Pdf/Element.php';
/** * PDF file 'dictionary' element implementation * * @category Zend * @package Zend_Pdf * @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com) * @license http://framework.zend.com/license/new-bsd New BSD License */ class Zend_Pdf_Element_Dictionary extends Zend_Pdf_Element { /** * Dictionary elements * Array of Zend_Pdf_Element objects ('name' => Zend_Pdf_Element) * * @var array */ private $_items = array();
/** * Object constructor * * @param array $val - array of Zend_Pdf_Element objects * @throws Zend_Pdf_Exception */ public function __construct($val = null) { if ($val === null) { return; } else if (!is_array($val)) { // require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Argument must be an array'); }
foreach ($val as $name => $element) { if (!$element instanceof Zend_Pdf_Element) { // require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Array elements must be Zend_Pdf_Element objects'); } if (!is_string($name)) { // require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Array keys must be strings'); } $this->_items[$name] = $element; } }
/** * Add element to an array * * @name Zend_Pdf_Element_Name $name * @param Zend_Pdf_Element $val - Zend_Pdf_Element object * @throws Zend_Pdf_Exception */ public function add(Zend_Pdf_Element_Name $name, Zend_Pdf_Element $val) { $this->_items[$name->value] = $val; }
/** * Return dictionary keys * * @return array */ public function getKeys() { return array_keys($this->_items); }
/** * Get handler * * @param string $property * @return Zend_Pdf_Element | null */ public function __get($item) { $element = isset($this->_items[$item]) ? $this->_items[$item] : null;
return $element; }
/** * Set handler * * @param string $property * @param mixed $value */ public function __set($item, $value) { if ($value === null) { unset($this->_items[$item]); } else { $this->_items[$item] = $value; } }
/** * Return type of the element. * * @return integer */ public function getType() { return Zend_Pdf_Element::TYPE_DICTIONARY; }
/** * Return object as string * * @param Zend_Pdf_Factory $factory * @return string */ public function toString($factory = null) { $outStr = '<<'; $lastNL = 0;
foreach ($this->_items as $name => $element) { if (!is_object($element)) { // require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception('Wrong data'); }
if (strlen($outStr) - $lastNL > 128) { $outStr .= "\n"; $lastNL = strlen($outStr); }
$nameObj = new Zend_Pdf_Element_Name($name); $outStr .= $nameObj->toString($factory) . ' ' . $element->toString($factory) . ' '; } $outStr .= '>>';
return $outStr; }
/** * Detach PDF object from the factory (if applicable), clone it and attach to new factory. * * @param Zend_Pdf_ElementFactory $factory The factory to attach * @param array &$processed List of already processed indirect objects, used to avoid objects duplication * @param integer $mode Cloning mode (defines filter for objects cloning) * @returns Zend_Pdf_Element * @throws Zend_Pdf_Exception */ public function makeClone(Zend_Pdf_ElementFactory $factory, array &$processed, $mode) { if (isset($this->_items['Type'])) { if ($this->_items['Type']->value == 'Pages') { // It's a page tree node
// skip it and its children
return new Zend_Pdf_Element_Null(); }
if ($this->_items['Type']->value == 'Page' && $mode == Zend_Pdf_Element::CLONE_MODE_SKIP_PAGES ) { // It's a page node, skip it
return new Zend_Pdf_Element_Null(); } }
$newDictionary = new self(); foreach ($this->_items as $key => $value) { $newDictionary->_items[$key] = $value->makeClone($factory, $processed, $mode); }
return $newDictionary; }
/** * Set top level parent indirect object. * * @param Zend_Pdf_Element_Object $parent */ public function setParentObject(Zend_Pdf_Element_Object $parent) { parent::setParentObject($parent);
foreach ($this->_items as $item) { $item->setParentObject($parent); } }
/** * Convert PDF element to PHP type. * * Dictionary is returned as an associative array * * @return mixed */ public function toPhp() { $phpArray = array();
foreach ($this->_items as $itemName => $item) { $phpArray[$itemName] = $item->toPhp(); }
return $phpArray; } }
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