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
2025-07-31 05:09:12 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/Streams/ReadableStreamDefaultReader.h
+++ b/Libraries/LibWeb/Streams/ReadableStreamDefaultReader.h
@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Function.h>
+#include <AK/SinglyLinkedList.h>
+#include <LibJS/Forward.h>
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/Forward.h>
+#include <LibWeb/Streams/ReadableStreamGenericReader.h>
+
+namespace Web::Streams {
+
+struct ReadableStreamReadResult {
+    JS::Value value;
+    bool done;
+};
+
+class ReadRequest : public JS::Cell {
+    JS_CELL(ReadRequest, JS::Cell);
+
+public:
+    virtual ~ReadRequest() = default;
+
+    virtual void on_chunk(JS::Value chunk) = 0;
+    virtual void on_close() = 0;
+    virtual void on_error(JS::Value error) = 0;
+};
+
+class ReadLoopReadRequest final : public ReadRequest {
+    JS_CELL(ReadLoopReadRequest, ReadRequest);
+    JS_DECLARE_ALLOCATOR(ReadLoopReadRequest);
+
+public:
+    // successSteps, which is an algorithm accepting a byte sequence
+    using SuccessSteps = JS::HeapFunction<void(ByteBuffer)>;
+
+    // failureSteps, which is an algorithm accepting a JavaScript value
+    using FailureSteps = JS::HeapFunction<void(JS::Value error)>;
+
+    // AD-HOC: callback triggered on every chunk received from the stream.
+    using ChunkSteps = JS::HeapFunction<void(ByteBuffer)>;
+
+    ReadLoopReadRequest(JS::VM& vm, JS::Realm& realm, ReadableStreamDefaultReader& reader, JS::NonnullGCPtr<SuccessSteps> success_steps, JS::NonnullGCPtr<FailureSteps> failure_steps, JS::GCPtr<ChunkSteps> chunk_steps = {});
+
+    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::VM& m_vm;
+    JS::NonnullGCPtr<JS::Realm> m_realm;
+    JS::NonnullGCPtr<ReadableStreamDefaultReader> m_reader;
+    ByteBuffer m_bytes;
+    JS::NonnullGCPtr<SuccessSteps> m_success_steps;
+    JS::NonnullGCPtr<FailureSteps> m_failure_steps;
+    JS::GCPtr<ChunkSteps> m_chunk_steps;
+};
+
+// https://streams.spec.whatwg.org/#readablestreamdefaultreader
+class ReadableStreamDefaultReader final
+    : public Bindings::PlatformObject
+    , public ReadableStreamGenericReaderMixin {
+    WEB_PLATFORM_OBJECT(ReadableStreamDefaultReader, Bindings::PlatformObject);
+    JS_DECLARE_ALLOCATOR(ReadableStreamDefaultReader);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<ReadableStreamDefaultReader>> construct_impl(JS::Realm&, JS::NonnullGCPtr<ReadableStream>);
+
+    virtual ~ReadableStreamDefaultReader() override = default;
+
+    JS::NonnullGCPtr<WebIDL::Promise> read();
+
+    void read_a_chunk(Fetch::Infrastructure::IncrementalReadLoopReadRequest& read_request);
+    void read_all_bytes(JS::NonnullGCPtr<ReadLoopReadRequest::SuccessSteps>, JS::NonnullGCPtr<ReadLoopReadRequest::FailureSteps>);
+    void read_all_chunks(JS::NonnullGCPtr<ReadLoopReadRequest::ChunkSteps>, JS::NonnullGCPtr<ReadLoopReadRequest::SuccessSteps>, JS::NonnullGCPtr<ReadLoopReadRequest::FailureSteps>);
+    JS::NonnullGCPtr<WebIDL::Promise> read_all_bytes_deprecated();
+
+    void release_lock();
+
+    SinglyLinkedList<JS::NonnullGCPtr<ReadRequest>>& read_requests() { return m_read_requests; }
+
+private:
+    explicit ReadableStreamDefaultReader(JS::Realm&);
+
+    virtual void initialize(JS::Realm&) override;
+
+    virtual void visit_edges(Cell::Visitor&) override;
+
+    SinglyLinkedList<JS::NonnullGCPtr<ReadRequest>> m_read_requests;
+};
+
+}