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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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Stream.php 18993 2009-11-15 17:09:16Z alexander $
*/
/** Internally used classes */
require_once 'Zend/Pdf.php';
/** Zend_Pdf_Element */
require_once 'Zend/Pdf/Element.php';
/**
* PDF file 'stream' 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_Stream extends Zend_Pdf_Element
{
/**
* Object value
*
* @var Zend_Memory_Container
*/
public $value;
/**
* Object constructor
*
* @param string $val
*/
public function __construct($val)
{
$this->value = Zend_Pdf::getMemoryManager()->create($val);
}
/**
* Return type of the element.
*
* @return integer
*/
public function getType()
{
return Zend_Pdf_Element::TYPE_STREAM;
}
/**
* Stream length.
* (Method is used to avoid string copying, which may occurs in some cases)
*
* @return integer
*/
public function length()
{
return strlen($this->value->getRef());
}
/**
* Clear stream
*
*/
public function clear()
{
$ref = &$this->value->getRef();
$ref = '';
$this->value->touch();
}
/**
* Append value to a stream
*
* @param mixed $val
*/
public function append($val)
{
$ref = &$this->value->getRef();
$ref .= (string)$val;
$this->value->touch();
}
/**
* Return object as string
*
* @param Zend_Pdf_Factory $factory
* @return string
*/
public function toString($factory = null)
{
return "stream\n" . $this->value->getRef() . "\nendstream";
}
}
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