Dictionary.php

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<?php
#require_once 'Zend/Pdf/Element/Name.php';


#require_once 'Zend/Pdf/Element.php';

class Zend_Pdf_Element_Dictionary extends Zend_Pdf_Element
{
    private $_items = array();


    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;
        }
    }


    public function add(Zend_Pdf_Element_Name $name, Zend_Pdf_Element $val)
    {
        $this->_items[$name->value] = $val;
    }

    public function getKeys()
    {
        return array_keys($this->_items);
    }


    public function __get($item)
    {
        $element = isset($this->_items[$item]) ? $this->_items[$item]
                                               : null;

        return $element;
    }

    public function __set($item, $value)
    {
        if ($value === null) {
            unset($this->_items[$item]);
        } else {
            $this->_items[$item] = $value;
        }
    }

    public function getType()
    {
        return Zend_Pdf_Element::TYPE_DICTIONARY;
    }


    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;
    }

    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;
    }

    public function setParentObject(Zend_Pdf_Element_Object $parent)
    {
        parent::setParentObject($parent);

        foreach ($this->_items as $item) {
            $item->setParentObject($parent);
        }
    }

    public function toPhp()
    {
        $phpArray = array();

        foreach ($this->_items as $itemName => $item) {
            $phpArray[$itemName] = $item->toPhp();
        }

        return $phpArray;
    }
}