Update website

vendor/symfony/http-client/Response/AsyncContext.php

@@ -0,0 +1,195 @@
+<?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\Response;
+
+use Symfony\Component\HttpClient\Chunk\DataChunk;
+use Symfony\Component\HttpClient\Chunk\LastChunk;
+use Symfony\Component\HttpClient\Exception\TransportException;
+use Symfony\Contracts\HttpClient\ChunkInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+use Symfony\Contracts\HttpClient\ResponseInterface;
+
+/**
+ * A DTO to work with AsyncResponse.
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+final class AsyncContext
+{
+    private $passthru;
+    private $client;
+    private $response;
+    private $info = [];
+    private $content;
+    private $offset;
+
+    public function __construct(&$passthru, HttpClientInterface $client, ResponseInterface &$response, array &$info, $content, int $offset)
+    {
+        $this->passthru = &$passthru;
+        $this->client = $client;
+        $this->response = &$response;
+        $this->info = &$info;
+        $this->content = $content;
+        $this->offset = $offset;
+    }
+
+    /**
+     * Returns the HTTP status without consuming the response.
+     */
+    public function getStatusCode(): int
+    {
+        return $this->response->getInfo('http_code');
+    }
+
+    /**
+     * Returns the headers without consuming the response.
+     */
+    public function getHeaders(): array
+    {
+        $headers = [];
+
+        foreach ($this->response->getInfo('response_headers') as $h) {
+            if (11 <= \strlen($h) && '/' === $h[4] && preg_match('#^HTTP/\d+(?:\.\d+)? ([123456789]\d\d)(?: |$)#', $h, $m)) {
+                $headers = [];
+            } elseif (2 === \count($m = explode(':', $h, 2))) {
+                $headers[strtolower($m[0])][] = ltrim($m[1]);
+            }
+        }
+
+        return $headers;
+    }
+
+    /**
+     * @return resource|null The PHP stream resource where the content is buffered, if it is
+     */
+    public function getContent()
+    {
+        return $this->content;
+    }
+
+    /**
+     * Creates a new chunk of content.
+     */
+    public function createChunk(string $data): ChunkInterface
+    {
+        return new DataChunk($this->offset, $data);
+    }
+
+    /**
+     * Pauses the request for the given number of seconds.
+     */
+    public function pause(float $duration): void
+    {
+        if (\is_callable($pause = $this->response->getInfo('pause_handler'))) {
+            $pause($duration);
+        } elseif (0 < $duration) {
+            usleep((int) (1E6 * $duration));
+        }
+    }
+
+    /**
+     * Cancels the request and returns the last chunk to yield.
+     */
+    public function cancel(): ChunkInterface
+    {
+        $this->info['canceled'] = true;
+        $this->info['error'] = 'Response has been canceled.';
+        $this->response->cancel();
+
+        return new LastChunk();
+    }
+
+    /**
+     * Returns the current info of the response.
+     */
+    public function getInfo(?string $type = null)
+    {
+        if (null !== $type) {
+            return $this->info[$type] ?? $this->response->getInfo($type);
+        }
+
+        return $this->info + $this->response->getInfo();
+    }
+
+    /**
+     * Attaches an info to the response.
+     *
+     * @return $this
+     */
+    public function setInfo(string $type, $value): self
+    {
+        if ('canceled' === $type && $value !== $this->info['canceled']) {
+            throw new \LogicException('You cannot set the "canceled" info directly.');
+        }
+
+        if (null === $value) {
+            unset($this->info[$type]);
+        } else {
+            $this->info[$type] = $value;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Returns the currently processed response.
+     */
+    public function getResponse(): ResponseInterface
+    {
+        return $this->response;
+    }
+
+    /**
+     * Replaces the currently processed response by doing a new request.
+     */
+    public function replaceRequest(string $method, string $url, array $options = []): ResponseInterface
+    {
+        $this->info['previous_info'][] = $info = $this->response->getInfo();
+        if (null !== $onProgress = $options['on_progress'] ?? null) {
+            $thisInfo = &$this->info;
+            $options['on_progress'] = static function (int $dlNow, int $dlSize, array $info) use (&$thisInfo, $onProgress) {
+                $onProgress($dlNow, $dlSize, $thisInfo + $info);
+            };
+        }
+        if (0 < ($info['max_duration'] ?? 0) && 0 < ($info['total_time'] ?? 0)) {
+            if (0 >= $options['max_duration'] = $info['max_duration'] - $info['total_time']) {
+                throw new TransportException(sprintf('Max duration was reached for "%s".', $info['url']));
+            }
+        }
+
+        return $this->response = $this->client->request($method, $url, ['buffer' => false] + $options);
+    }
+
+    /**
+     * Replaces the currently processed response by another one.
+     */
+    public function replaceResponse(ResponseInterface $response): ResponseInterface
+    {
+        $this->info['previous_info'][] = $this->response->getInfo();
+
+        return $this->response = $response;
+    }
+
+    /**
+     * Replaces or removes the chunk filter iterator.
+     *
+     * @param ?callable(ChunkInterface, self): ?\Iterator $passthru
+     */
+    public function passthru(?callable $passthru = null): void
+    {
+        $this->passthru = $passthru ?? static function ($chunk, $context) {
+            $context->passthru = null;
+
+            yield $chunk;
+        };
+    }
+}