Files
ladybird/Libraries/LibWeb/Streams/ReadableStreamBYOBRequest.cpp
Shannon Booth fd44da6829 LibWeb/Bindings: Emit one bindings header and cpp per IDL
Previously, the LibWeb bindings generator would output multiple per
interface files like Prototype/Constructor/Namespace/GlobalMixin
depending on the contents of that IDL file.

This complicates the build system as it means that it does not know
what files will be generated without knowledge of the contents of that
IDL file.

Instead, for each IDL file only generate a single Bindings/<IDLFile>.h
and Bindings/<IDLFile>.cpp.
2026-04-21 07:36:13 +02:00

84 lines
3.2 KiB
C++

/*
* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/TypedArray.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Bindings/ReadableStreamBYOBRequest.h>
#include <LibWeb/Streams/ReadableByteStreamController.h>
#include <LibWeb/Streams/ReadableStreamBYOBRequest.h>
#include <LibWeb/Streams/ReadableStreamOperations.h>
#include <LibWeb/WebIDL/Buffers.h>
namespace Web::Streams {
GC_DEFINE_ALLOCATOR(ReadableStreamBYOBRequest);
// https://streams.spec.whatwg.org/#rs-byob-request-view
GC::Ptr<WebIDL::ArrayBufferView> ReadableStreamBYOBRequest::view()
{
// 1. Return this.[[view]].
return m_view;
}
ReadableStreamBYOBRequest::ReadableStreamBYOBRequest(JS::Realm& realm)
: Bindings::PlatformObject(realm)
{
}
void ReadableStreamBYOBRequest::initialize(JS::Realm& realm)
{
WEB_SET_PROTOTYPE_FOR_INTERFACE(ReadableStreamBYOBRequest);
Base::initialize(realm);
}
void ReadableStreamBYOBRequest::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_controller);
visitor.visit(m_view);
}
// https://streams.spec.whatwg.org/#rs-byob-request-respond
WebIDL::ExceptionOr<void> ReadableStreamBYOBRequest::respond(WebIDL::UnsignedLongLong bytes_written)
{
// 1. If this.[[controller]] is undefined, throw a TypeError exception.
if (!m_controller)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Controller is undefined"_string };
// 2. If ! IsDetachedBuffer(this.[[view]].[[ArrayBuffer]]) is true, throw a TypeError exception.
if (m_view->viewed_array_buffer()->is_detached())
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Unable to respond to detached ArrayBuffer"_string };
// 3. Assert: this.[[view]].[[ByteLength]] > 0.
VERIFY(m_view->viewed_array_buffer()->byte_length() > 0);
// 4. Assert: this.[[view]].[[ViewedArrayBuffer]].[[ByteLength]] > 0.
VERIFY(m_view->viewed_array_buffer()->byte_length() > 0);
// 5. Perform ? ReadableByteStreamControllerRespond(this.[[controller]], bytesWritten).
return readable_byte_stream_controller_respond(*m_controller, bytes_written);
}
// https://streams.spec.whatwg.org/#rs-byob-request-respond-with-new-view
WebIDL::ExceptionOr<void> ReadableStreamBYOBRequest::respond_with_new_view(GC::Root<WebIDL::ArrayBufferView> const& view)
{
auto& realm = this->realm();
// 1. If this.[[controller]] is undefined, throw a TypeError exception.
if (!m_controller)
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Controller is undefined"_string };
// 2. If ! IsDetachedBuffer(view.[[ViewedArrayBuffer]]) is true, throw a TypeError exception.
if (view->viewed_array_buffer()->is_detached())
return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "Unable to respond with a detached ArrayBuffer"_string };
// 3. Return ? ReadableByteStreamControllerRespondWithNewView(this.[[controller]], view).
return TRY(readable_byte_stream_controller_respond_with_new_view(realm, *m_controller, *view));
}
}