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LibWeb: Implement Web::Streams::readable_stream_enqueue AO

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This AO will be used in the Web::FileAPI::Blob::get_stream()
implementation to enqueue all data in the blob to the stream.

There are still plenty of cases to handle, but this appears to be enough
for the basic case of reading all chunks from a readable stream until it
is done.
This commit is contained in:
Shannon Booth 2023-06-13 07:26:59 +12:00 • committed by Andreas Kling
parent b7b5b5763e
commit 94883866f5
2 changed files with 267 additions and 0 deletions
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10
Userland/Libraries/LibWeb/Streams/AbstractOperations.h
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@ -1,6 +1,7 @@
/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2023, Shannon Booth <shannon.ml.booth@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -59,6 +60,15 @@ WebIDL::ExceptionOr<void> set_up_readable_stream_default_controller_from_underly
WebIDL::ExceptionOr<void> set_up_readable_stream_controller_with_byte_reading_support(ReadableStream&, Optional<PullAlgorithm>&& = {}, Optional<CancelAlgorithm>&& = {}, double high_water_mark = 0);
WebIDL::ExceptionOr<void> set_up_readable_byte_stream_controller(ReadableStream&, ReadableByteStreamController&, StartAlgorithm&&, PullAlgorithm&&, CancelAlgorithm&&, double high_water_mark, JS::Value auto_allocate_chunk_size);
WebIDL::ExceptionOr<void> readable_stream_enqueue(ReadableStreamController& controller, JS::Value chunk);
WebIDL::ExceptionOr<void> readable_byte_stream_controller_enqueue(ReadableByteStreamController& controller, JS::Value chunk);
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> transfer_array_buffer(JS::Realm& realm, JS::ArrayBuffer& buffer);
WebIDL::ExceptionOr<void> readable_byte_stream_controller_enqueue_detached_pull_into_queue(ReadableByteStreamController& controller, PullIntoDescriptor& pull_into_descriptor);
WebIDL::ExceptionOr<void> readable_byte_stream_controller_process_read_requests_using_queue(ReadableByteStreamController& controller);
void readable_byte_stream_controller_enqueue_chunk_to_queue(ReadableByteStreamController& controller, JS::NonnullGCPtr<JS::ArrayBuffer> buffer, u32 byte_offset, u32 byte_length);
WebIDL::ExceptionOr<void> readable_byte_stream_controller_enqueue_cloned_chunk_to_queue(ReadableByteStreamController& controller, JS::ArrayBuffer& buffer, u64 byte_offset, u64 byte_length);
PullIntoDescriptor readable_byte_stream_controller_shift_pending_pull_into(ReadableByteStreamController& controller);
WebIDL::ExceptionOr<void> readable_byte_stream_controller_call_pull_if_needed(ReadableByteStreamController&);
void readable_byte_stream_controller_clear_algorithms(ReadableByteStreamController&);
void readable_byte_stream_controller_clear_pending_pull_intos(ReadableByteStreamController&);