/home/ivoiecob/email.hirewise-va.com/vendor/qualityunit/tnef-decoder/src/TNEFDecoder/TNEFBuffer.php
<?php
namespace TNEFDecoder;
/**
* SquirrelMail TNEF Decoder Plugin
*
* Copyright (c) 2010- Paul Lesniewski <paul@squirrelmail.org>
* Copyright (c) 2003 Bernd Wiegmann <bernd@wib-software.de>
* Copyright (c) 2002 Graham Norburys <gnorbury@bondcar.com>
*
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* @package plugins
* @subpackage tnef_decoder
*
*/
class TNEFBuffer
{
private $data;
private $offset;
function __construct(string $data)
{
$this->data = $data;
$this->offset = 0;
}
function getBytes(int $numBytes)
{
if ($this->getRemainingBytes() < $numBytes) {
$this->offset = strlen($this->data);
return null;
}
$this->offset += $numBytes;
return substr($this->data, $this->offset - $numBytes, $numBytes);
}
function getRemainingBytes(): int
{
return strlen($this->data) - $this->offset;
}
}