You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
1.2 KiB
46 lines
1.2 KiB
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace GuzzleHttp\Psr7;
|
|
|
|
use Psr\Http\Message\StreamInterface;
|
|
|
|
/**
|
|
* Stream decorator that begins dropping data once the size of the underlying
|
|
* stream becomes too full.
|
|
*/
|
|
final class DroppingStream implements StreamInterface
|
|
{
|
|
use StreamDecoratorTrait;
|
|
|
|
/** @var int */
|
|
private $maxLength;
|
|
|
|
/**
|
|
* @param StreamInterface $stream Underlying stream to decorate.
|
|
* @param int $maxLength Maximum size before dropping data.
|
|
*/
|
|
public function __construct(StreamInterface $stream, int $maxLength)
|
|
{
|
|
$this->stream = $stream;
|
|
$this->maxLength = $maxLength;
|
|
}
|
|
|
|
public function write($string): int
|
|
{
|
|
$diff = $this->maxLength - $this->stream->getSize();
|
|
|
|
// Begin returning 0 when the underlying stream is too large.
|
|
if ($diff <= 0) {
|
|
return 0;
|
|
}
|
|
|
|
// Write the stream or a subset of the stream if needed.
|
|
if (strlen($string) < $diff) {
|
|
return $this->stream->write($string);
|
|
}
|
|
|
|
return $this->stream->write(substr($string, 0, $diff));
|
|
}
|
|
}
|
|
|