ResponseFactory: added fromString()

Author: dg

src/Http/ResponseFactory.php

@@ -33,4 +33,27 @@ public function fromGlobals(): Response
 
 		return $response;
 	}
+
+
+	public function fromString(string $message): Response
+	{
+		$response = new Response;
+		$parts = explode("\r\n\r\n", $message, 2);
+		$response->setBody($parts[1] ?? '');
+
+		$headers = explode("\r\n", $parts[0]);
+		$status = array_shift($headers);
+
+		if (!preg_match('#^HTTP/([\d.]+) (\d+) (.+)$#', $status, $m)) {
+			throw new Nette\InvalidArgumentException("Invalid status line '$status'.");
+		}
+		$response->setProtocolVersion($m[1]);
+		$response->setCode((int) $m[2], $m[3]);
+
+		foreach ($headers as $header) {
+			$parts = explode(': ', $header, 2);
+			$response->addHeader($parts[0], $parts[1]);
+		}
+		return $response;
+	}
 }

tests/Http/ResponseFactory.fromString.phpt

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+use Nette\Http;
+use Tester\Assert;
+
+
+require __DIR__ . '/../bootstrap.php';
+
+
+$serializer = new Http\ResponseFactory;
+$response = $serializer->fromString("HTTP/3.0 123 My Reason\r\nX-A: a\r\nX-A: b\r\n\r\nHello");
+
+Assert::same(123, $response->getCode());
+Assert::same('3.0', $response->getProtocolVersion());
+Assert::same('My Reason', $response->getReasonPhrase());
+
+Assert::same(['X-A' => ['a', 'b']], $response->getHeaders());
+
+Assert::same('Hello', $response->getBody());