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Everywhere: Hoist the Libraries folder to the top-level
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93712b24bf
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github-actions[bot]
2024-11-10 11:51:52 +00:00
Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker
4547 changed files with 104 additions and 113 deletions
182
Libraries/LibWeb/Streams/ReadableStreamBYOBReader.cpp
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182
Libraries/LibWeb/Streams/ReadableStreamBYOBReader.cpp
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/*
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* Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>
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* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/PromiseCapability.h>
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#include <LibJS/Runtime/TypedArray.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/ReadableStreamBYOBReaderPrototype.h>
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#include <LibWeb/Streams/AbstractOperations.h>
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#include <LibWeb/Streams/ReadableStream.h>
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#include <LibWeb/Streams/ReadableStreamBYOBReader.h>
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#include <LibWeb/WebIDL/Buffers.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Streams {
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JS_DEFINE_ALLOCATOR(ReadableStreamBYOBReader);
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ReadableStreamBYOBReader::ReadableStreamBYOBReader(JS::Realm& realm)
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: Bindings::PlatformObject(realm)
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, ReadableStreamGenericReaderMixin(realm)
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{
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}
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void ReadableStreamBYOBReader::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(ReadableStreamBYOBReader);
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}
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// https://streams.spec.whatwg.org/#byob-reader-constructor
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WebIDL::ExceptionOr<JS::NonnullGCPtr<ReadableStreamBYOBReader>> ReadableStreamBYOBReader::construct_impl(JS::Realm& realm, JS::NonnullGCPtr<ReadableStream> stream)
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{
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auto reader = realm.heap().allocate<ReadableStreamBYOBReader>(realm, realm);
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// 1. Perform ? SetUpReadableStreamBYOBReader(this, stream).
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TRY(set_up_readable_stream_byob_reader(reader, *stream));
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return reader;
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}
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// https://streams.spec.whatwg.org/#byob-reader-release-lock
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void ReadableStreamBYOBReader::release_lock()
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{
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// 1. If this.[[stream]] is undefined, return.
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if (!m_stream)
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return;
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// 2. Perform ! ReadableStreamBYOBReaderRelease(this).
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readable_stream_byob_reader_release(*this);
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}
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void ReadableStreamBYOBReader::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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ReadableStreamGenericReaderMixin::visit_edges(visitor);
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visitor.visit(m_read_into_requests);
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}
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class BYOBReaderReadIntoRequest : public ReadIntoRequest {
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JS_CELL(BYOBReaderReadIntoRequest, ReadIntoRequest);
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JS_DECLARE_ALLOCATOR(BYOBReaderReadIntoRequest);
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public:
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BYOBReaderReadIntoRequest(JS::Realm& realm, WebIDL::Promise& promise)
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: m_realm(realm)
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, m_promise(promise)
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{
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}
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// chunk steps, given chunk
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virtual void on_chunk(JS::Value chunk) override
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{
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// 1. Resolve promise with «[ "value" → chunk, "done" → false ]».
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WebIDL::resolve_promise(m_realm, m_promise, JS::create_iterator_result_object(m_realm->vm(), chunk, false));
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}
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// close steps, given chunk
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virtual void on_close(JS::Value chunk) override
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{
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// 1. Resolve promise with «[ "value" → chunk, "done" → true ]».
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WebIDL::resolve_promise(m_realm, m_promise, JS::create_iterator_result_object(m_realm->vm(), chunk, true));
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}
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// error steps, given e
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virtual void on_error(JS::Value error) override
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{
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// 1. Reject promise with e.
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WebIDL::reject_promise(m_realm, m_promise, error);
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}
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private:
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virtual void visit_edges(Visitor& visitor) override
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{
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Base::visit_edges(visitor);
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visitor.visit(m_realm);
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visitor.visit(m_promise);
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}
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JS::NonnullGCPtr<JS::Realm> m_realm;
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JS::NonnullGCPtr<WebIDL::Promise> m_promise;
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};
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JS_DEFINE_ALLOCATOR(BYOBReaderReadIntoRequest);
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// https://streams.spec.whatwg.org/#byob-reader-read
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JS::NonnullGCPtr<WebIDL::Promise> ReadableStreamBYOBReader::read(JS::Handle<WebIDL::ArrayBufferView>& view, ReadableStreamBYOBReaderReadOptions options)
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{
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auto& realm = this->realm();
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// 1. If view.[[ByteLength]] is 0, return a promise rejected with a TypeError exception.
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if (view->byte_length() == 0) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "Cannot read in an empty buffer"sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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// 2. If view.[[ViewedArrayBuffer]].[[ArrayBufferByteLength]] is 0, return a promise rejected with a TypeError exception.
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if (view->viewed_array_buffer()->byte_length() == 0) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "Cannot read in an empty buffer"sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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// 3. If ! IsDetachedBuffer(view.[[ViewedArrayBuffer]]) is true, return a promise rejected with a TypeError exception.
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if (view->viewed_array_buffer()->is_detached()) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "Cannot read in a detached buffer"sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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// 4. If options["min"] is 0, return a promise rejected with a TypeError exception.
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if (options.min == 0) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "options[\"min\'] cannot have a value of 0."sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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// 5. If view has a [[TypedArrayName]] internal slot,
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if (view->is_typed_array_base()) {
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auto const& typed_array = *view->bufferable_object().get<JS::NonnullGCPtr<JS::TypedArrayBase>>();
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// 1. If options["min"] > view.[[ArrayLength]], return a promise rejected with a RangeError exception.
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if (options.min > typed_array.array_length().length()) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::RangeError, "options[\"min\"] cannot be larger than the length of the view."sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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}
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// 6. Otherwise (i.e., it is a DataView),
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if (view->is_data_view()) {
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// 1. If options["min"] > view.[[ByteLength]], return a promise rejected with a RangeError exception.
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if (options.min > view->byte_length()) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::RangeError, "options[\"min\"] cannot be larger than the length of the view."sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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}
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// 7. If this.[[stream]] is undefined, return a promise rejected with a TypeError exception.
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if (!m_stream) {
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WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "Cannot read from an empty stream"sv };
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return WebIDL::create_rejected_promise_from_exception(realm, move(exception));
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}
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// 8. Let promise be a new promise.
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auto promise_capability = WebIDL::create_promise(realm);
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// 9. Let readIntoRequest be a new read-into request with the following items:
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// chunk steps, given chunk
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// Resolve promise with «[ "value" → chunk, "done" → false ]».
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// close steps, given chunk
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// Resolve promise with «[ "value" → chunk, "done" → true ]».
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// error steps, given e
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// Reject promise with e.
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auto read_into_request = heap().allocate_without_realm<BYOBReaderReadIntoRequest>(realm, promise_capability);
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// 10. Perform ! ReadableStreamBYOBReaderRead(this, view, options["min"], readIntoRequest).
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readable_stream_byob_reader_read(*this, *view, options.min, *read_into_request);
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// 11. Return promise.
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return promise_capability;
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}
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}
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