RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 18:28:12 +00:00
Code Issues Activity Actions

LibWeb: Implement AO ReadableStreamByobReaderRead

Browse source 
We've finally implemented enough of the Streams AOs so that we are close
to actually performing read operations with BYOB readers.
This commit is contained in:
Shannon Booth 2023-11-19 12:34:25 +13:00 • committed by Andreas Kling
parent 3d37cb0753
commit 9662872b20
2 changed files with 23 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Userland/Libraries/LibWeb/Streams/AbstractOperations.cpp
View file

@ -811,6 +811,28 @@ void readable_byte_stream_controller_pull_into(ReadableByteStreamController& con
MUST(readable_byte_stream_controller_call_pull_if_needed(controller));
}
// https://streams.spec.whatwg.org/#readable-stream-byob-reader-read
void readable_stream_byob_reader_read(ReadableStreamBYOBReader& reader, JS::Value view, ReadIntoRequest& read_into_request)
{
// 1. Let stream be reader.[[stream]].
auto stream = reader.stream();
// 2. Assert: stream is not undefined.
VERIFY(stream);
// 3. Set stream.[[disturbed]] to true.
stream->set_disturbed(true);
// 4. If stream.[[state]] is "errored", perform readIntoRequest’s error steps given stream.[[storedError]].
if (stream->is_errored()) {
read_into_request.on_error(stream->stored_error());
}
// 5. Otherwise, perform ! ReadableByteStreamControllerPullInto(stream.[[controller]], view, readIntoRequest).
else {
readable_byte_stream_controller_pull_into(*stream->controller()->get<JS::NonnullGCPtr<ReadableByteStreamController>>(), view, read_into_request);
}
}
// https://streams.spec.whatwg.org/#abstract-opdef-readablestreamdefaultreaderrelease
WebIDL::ExceptionOr<void> readable_stream_default_reader_release(ReadableStreamDefaultReader& reader)
{