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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Protocol\Text;
use Predis\CommunicationException;
use Predis\Connection\ComposableConnectionInterface;
use Predis\Protocol\ProtocolException;
use Predis\Protocol\ResponseHandlerInterface;
/**
* Implements a response handler for multi-bulk replies using the standard
* wire protocol defined by Redis.
*
* @link http://redis.io/topics/protocol
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class ResponseMultiBulkHandler implements ResponseHandlerInterface
{
/**
* Handles a multi-bulk reply returned by Redis.
*
* @param ComposableConnectionInterface $connection Connection to Redis.
* @param string $lengthString Number of items in the multi-bulk reply.
* @return array
*/
public function handle(ComposableConnectionInterface $connection, $lengthString)
{
$length = (int) $lengthString;
if ("$length" !== $lengthString) {
CommunicationException::handle(new ProtocolException(
$connection, "Cannot parse '$lengthString' as multi-bulk length"
));
}
if ($length === -1) {
return null;
}
$list = array();
if ($length > 0) {
$handlersCache = array();
$reader = $connection->getProtocol()->getReader();
for ($i = 0; $i < $length; $i++) {
$header = $connection->readLine();
$prefix = $header[0];
if (isset($handlersCache[$prefix])) {
$handler = $handlersCache[$prefix];
} else {
$handler = $reader->getHandler($prefix);
$handlersCache[$prefix] = $handler;
}
$list[$i] = $handler->handle($connection, substr($header, 1));
}
}
return $list;
}
}
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Revision |
Author |
Commited |
Message |
1464
|
MOliva
|
Tue 13 Oct, 2020 11:16:56 +0000 |
|