Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/Fetch/Infrastructure/HTTP/Statuses.cpp

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <AK/AnyOf.h>
+#include <AK/Array.h>
+#include <LibWeb/Fetch/Infrastructure/HTTP/Statuses.h>
+
+namespace Web::Fetch::Infrastructure {
+
+// https://fetch.spec.whatwg.org/#null-body-status
+bool is_null_body_status(Status status)
+{
+    // A null body status is a status that is 101, 103, 204, 205, or 304.
+    return any_of(Array<Status, 5> { 101, 103, 204, 205, 304 }, [&](auto redirect_status) {
+        return status == redirect_status;
+    });
+}
+
+// https://fetch.spec.whatwg.org/#ok-status
+bool is_ok_status(Status status)
+{
+    // An ok status is a status in the range 200 to 299, inclusive.
+    return status >= 200 && status <= 299;
+}
+
+// https://fetch.spec.whatwg.org/#redirect-status
+bool is_redirect_status(Status status)
+{
+    // A redirect status is a status that is 301, 302, 303, 307, or 308.
+    return any_of(Array<Status, 5> { 301, 302, 303, 307, 308 }, [&](auto redirect_status) {
+        return status == redirect_status;
+    });
+}
+
+}