LibWeb: Implement the concept incrementally read a body

Author: https://github.com/kennethmyhra Commit: 76418f3ffa Pull-request: https://github.com/SerenityOS/serenity/pull/24132 Reviewed-by: https://github.com/shannonbooth Reviewed-by: https://github.com/trflynn89
2025-07-30 04:39:06 +00:00 · 2024-05-17 22:06:27 +02:00 · 2024-05-17 22:06:27 +02:00 · 76418f3ffa · 2024-07-18 00:41:35 +09:00
commit 76418f3ffa
parent 34ecc59508
6 changed files with 161 additions and 0 deletions
--- a/Userland/Libraries/LibWeb/Fetch/Infrastructure/IncrementalReadLoopReadRequest.h
+++ b/Userland/Libraries/LibWeb/Fetch/Infrastructure/IncrementalReadLoopReadRequest.h
@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2024, Kenneth Myhra <kennethmyhra@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
+#include <LibWeb/Streams/ReadableStreamDefaultReader.h>
+
+namespace Web::Fetch::Infrastructure {
+
+// https://fetch.spec.whatwg.org/#incrementally-read-loop
+class IncrementalReadLoopReadRequest : public Streams::ReadRequest {
+    JS_CELL(IncrementalReadLoopReadRequest, JS::Cell);
+    JS_DECLARE_ALLOCATOR(IncrementalReadLoopReadRequest);
+
+public:
+    IncrementalReadLoopReadRequest(JS::NonnullGCPtr<Body>, JS::NonnullGCPtr<Streams::ReadableStreamDefaultReader>, JS::NonnullGCPtr<JS::Object> task_destination, Body::ProcessBodyChunkCallback, Body::ProcessEndOfBodyCallback, Body::ProcessBodyErrorCallback);
+
+    virtual void on_chunk(JS::Value chunk) override;
+    virtual void on_close() override;
+    virtual void on_error(JS::Value error) override;
+
+private:
+    virtual void visit_edges(Visitor&) override;
+
+    JS::NonnullGCPtr<Body> m_body;
+    JS::NonnullGCPtr<Streams::ReadableStreamDefaultReader> m_reader;
+    JS::NonnullGCPtr<JS::Object> m_task_destination;
+    Body::ProcessBodyChunkCallback m_process_body_chunk;
+    Body::ProcessEndOfBodyCallback m_process_end_of_body;
+    Body::ProcessBodyErrorCallback m_process_body_error;
+};
+
+}