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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpClient\Chunk;
use Symfony\Contracts\HttpClient\ChunkInterface;
/**
* @author Antoine Bluchet <soyuka@gmail.com>
* @author Nicolas Grekas <p@tchwork.com>
*/
final class ServerSentEvent extends DataChunk implements ChunkInterface
{
private $data = '';
private $id = '';
private $type = 'message';
private $retry = 0;
public function __construct(string $content)
{
parent::__construct(-1, $content);
// remove BOM
if (0 === strpos($content, "\xEF\xBB\xBF")) {
$content = substr($content, 3);
}
foreach (preg_split("/(?:\r\n|[\r\n])/", $content) as $line) {
if (0 === $i = strpos($line, ':')) {
continue;
}
$i = false === $i ? \strlen($line) : $i;
$field = substr($line, 0, $i);
$i += 1 + (' ' === ($line[1 + $i] ?? ''));
switch ($field) {
case 'id': $this->id = substr($line, $i); break;
case 'event': $this->type = substr($line, $i); break;
case 'data': $this->data .= ('' === $this->data ? '' : "\n").substr($line, $i); break;
case 'retry':
$retry = substr($line, $i);
if ('' !== $retry && \strlen($retry) === strspn($retry, '0123456789')) {
$this->retry = $retry / 1000.0;
}
break;
}
}
}
public function getId(): string
{
return $this->id;
}
public function getType(): string
{
return $this->type;
}
public function getData(): string
{
return $this->data;
}
public function getRetry(): float
{
return $this->retry;
}
}