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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\Internal; use Amp\ByteStream\ReadableBuffer; use Amp\ByteStream\ReadableIterableStream; use Amp\ByteStream\ReadableResourceStream; use Amp\ByteStream\ReadableStream; use Amp\Cancellation; use Amp\Http\Client\HttpContent; use Symfony\Component\HttpClient\Exception\TransportException; /** * @author Nicolas Grekas <p@tchwork.com> * * @internal */ class AmpBodyV5 implements HttpContent, ReadableStream, \IteratorAggregate { private ReadableStream $body; private ?string $content; private array $info; private ?int $offset = 0; private int $length = -1; private ?int $uploaded = null; /** * @param \Closure|resource|string $body */ public function __construct( $body, &$info, private \Closure $onProgress, ) { $this->info = &$info; if (\is_resource($body)) { $this->offset = ftell($body); $this->length = fstat($body)['size']; $this->body = new ReadableResourceStream($body); } elseif (\is_string($body)) { $this->length = \strlen($body); $this->body = new ReadableBuffer($body); $this->content = $body; } else { $this->body = new ReadableIterableStream((static function () use ($body) { while ('' !== $data = ($body)(16372)) { if (!\is_string($data)) { throw new TransportException(\sprintf('Return value of the "body" option callback must be string, "%s" returned.', get_debug_type($data))); } yield $data; } })()); } } public function getContent(): ReadableStream { if (null !== $this->uploaded) { $this->uploaded = null; if (\is_string($this->body)) { $this->offset = 0; } elseif ($this->body instanceof ReadableResourceStream) { fseek($this->body->getResource(), $this->offset); } } return $this; } public function getContentType(): ?string { return null; } public function getContentLength(): ?int { return 0 <= $this->length ? $this->length - $this->offset : null; } public function read(?Cancellation $cancellation = null): ?string { $this->info['size_upload'] += $this->uploaded; $this->uploaded = 0; ($this->onProgress)(); if (null !== $data = $this->body->read($cancellation)) { $this->uploaded = \strlen($data); } else { $this->info['upload_content_length'] = $this->info['size_upload']; } return $data; } public function isReadable(): bool { return $this->body->isReadable(); } public function close(): void { $this->body->close(); } public function isClosed(): bool { return $this->body->isClosed(); } public function onClose(\Closure $onClose): void { $this->body->onClose($onClose); } public function getIterator(): \Traversable { return $this->body; } public static function rewind(HttpContent $body): HttpContent { if (!$body instanceof self) { return $body; } $body->uploaded = null; if ($body->body instanceof ReadableResourceStream && !$body->body->isClosed()) { fseek($body->body->getResource(), $body->offset); } if ($body->body instanceof ReadableBuffer) { return new $body($body->content, $body->info, $body->onProgress); } return $body; } }
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