125 lines
2.5 KiB
PHP
125 lines
2.5 KiB
PHP
<?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) 2005-2008 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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/**
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* @see Zend_Pdf
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*/
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require_once 'Zend/Pdf.php';
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/**
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* @see Zend_Pdf_Element
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*/
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require_once 'Zend/Pdf/Element.php';
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/**
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* @see Zend_Memory
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*/
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require_once 'Zend/Memory.php';
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/**
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* PDF file 'stream' 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) 2005-2008 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_Stream 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 Zend_Memory_Container
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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 $val
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*/
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public function __construct($val)
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{
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$this->value = Zend_Pdf::getMemoryManager()->create($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_STREAM;
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}
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/**
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* Stream length.
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* (Method is used to avoid string copying, which may occurs in some cases)
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*
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* @return integer
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*/
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public function length()
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{
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return strlen($this->value->getRef());
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}
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/**
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* Clear stream
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*
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*/
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public function clear()
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{
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$ref = &$this->value->getRef();
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$ref = '';
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$this->value->touch();
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}
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/**
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* Append value to a stream
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*
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* @param mixed $val
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*/
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public function append($val)
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{
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$ref = &$this->value->getRef();
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$ref .= (string)$val;
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$this->value->touch();
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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 "stream\n" . $this->value->getRef() . "\nendstream";
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}
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}
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