mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-08 05:27:14 +09:00
a9ddd427cb
The main streams AO file has gotten very large, and is a bit difficult to navigate. In an effort to improve DX, this migrates ReadableStream AOs to their own file. And the helper classes used for the tee and pipe- to operations are also in their own files.
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
|
|
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/Promise.h>
|
|
#include <LibJS/Runtime/PromiseCapability.h>
|
|
#include <LibWeb/Streams/ReadableStream.h>
|
|
#include <LibWeb/Streams/ReadableStreamGenericReader.h>
|
|
#include <LibWeb/Streams/ReadableStreamOperations.h>
|
|
#include <LibWeb/WebIDL/Promise.h>
|
|
|
|
namespace Web::Streams {
|
|
|
|
// https://streams.spec.whatwg.org/#generic-reader-closed
|
|
GC::Ptr<WebIDL::Promise> ReadableStreamGenericReaderMixin::closed()
|
|
{
|
|
// 1. Return this.[[closedPromise]].
|
|
return m_closed_promise;
|
|
}
|
|
|
|
// https://streams.spec.whatwg.org/#generic-reader-cancel
|
|
GC::Ref<WebIDL::Promise> ReadableStreamGenericReaderMixin::cancel(JS::Value reason)
|
|
{
|
|
// 1. If this.[[stream]] is undefined, return a promise rejected with a TypeError exception.
|
|
if (!m_stream) {
|
|
WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "No stream present to cancel"sv };
|
|
return WebIDL::create_rejected_promise_from_exception(m_realm, move(exception));
|
|
}
|
|
|
|
// 2. Return ! ReadableStreamReaderGenericCancel(this, reason).
|
|
return readable_stream_reader_generic_cancel(*this, reason);
|
|
}
|
|
|
|
ReadableStreamGenericReaderMixin::ReadableStreamGenericReaderMixin(JS::Realm& realm)
|
|
: m_realm(realm)
|
|
{
|
|
}
|
|
|
|
void ReadableStreamGenericReaderMixin::visit_edges(JS::Cell::Visitor& visitor)
|
|
{
|
|
visitor.visit(m_closed_promise);
|
|
visitor.visit(m_stream);
|
|
visitor.visit(m_realm);
|
|
}
|
|
|
|
}
|