Current File : //proc/1857783/root/var/www/tif-dev/wp-content/plugins/worker/src/MWP/Stream/Callable.php
<?php
/*
* This file is part of the ManageWP Worker plugin.
*
* (c) ManageWP LLC <contact@managewp.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
class MWP_Stream_Callable implements MWP_Stream_Interface
{
/** @var callable */
private $source;
/** @var int */
private $tellPos = 0;
/** @var MWP_Stream_Buffer */
private $buffer;
/** @var array */
private $arguments;
/**
* @param callable $source Source of the stream data. The callable MAY
* accept an integer argument used to control the
* amount of data to return. The callable MUST
* return a string when called, or false on error
* or EOF.
* @param array $arguments
*/
public function __construct($source, array $arguments = array())
{
$this->source = $source;
$this->buffer = new MWP_Stream_Buffer();
$this->arguments = $arguments;
}
public function close()
{
$this->tellPos = false;
$this->source = null;
$this->arguments = array();
}
public function tell()
{
return $this->tellPos;
}
public function eof()
{
if ($this->source !== null) {
return false;
}
if ($this->source === null && $this->buffer !== null) {
return $this->buffer->eof();
}
return true;
}
public function isSeekable()
{
return false;
}
public function seek($offset, $whence = SEEK_SET)
{
return false;
}
public function read($length)
{
$data = $this->buffer->read($length);
$readLen = strlen($data);
$this->tellPos += $readLen;
$remaining = $length - $readLen;
if ($remaining) {
$this->pump($remaining);
$data .= $this->buffer->read($remaining);
$this->tellPos += strlen($data) - $readLen;
}
return $data;
}
public function __toString()
{
$buffer = '';
while (!$this->eof()) {
$buffer .= $this->read(1048576);
}
return $buffer;
}
private function pump($length)
{
if ($this->source) {
do {
$data = call_user_func_array($this->source, array_merge(array($length), $this->arguments));
if ($data === false || $data === null) {
$this->source = null;
return;
}
if ($data instanceof MWP_Stream_Interface) {
$this->source = null;
$this->buffer = $data;
return;
}
$this->buffer->write($data);
$length -= strlen($data);
} while ($length > 0);
}
}
}
Mini Shell