mirror of
https://github.com/RGBCube/serenity
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fc9d587e39
A struct with three raw pointers to other GC'd types is a pretty big liability, let's just turn this into a Cell itself. This comes with the additional benefit of being able to capture it in a lambda effortlessly, without having to create handles for individual members.
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
/*
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* Copyright (c) 2022, Linus Groh <linusg@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 <LibWeb/Bindings/MainThreadVM.h>
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#include <LibWeb/Fetch/Infrastructure/HTTP/Bodies.h>
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#include <LibWeb/WebIDL/Promise.h>
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namespace Web::Fetch::Infrastructure {
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Body::Body(JS::Handle<Streams::ReadableStream> stream)
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: m_stream(move(stream))
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{
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}
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Body::Body(JS::Handle<Streams::ReadableStream> stream, SourceType source, Optional<u64> length)
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: m_stream(move(stream))
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, m_source(move(source))
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, m_length(move(length))
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{
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}
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// https://fetch.spec.whatwg.org/#concept-body-clone
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WebIDL::ExceptionOr<Body> Body::clone() const
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{
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// To clone a body body, run these steps:
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auto& vm = Bindings::main_thread_vm();
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auto& realm = *vm.current_realm();
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// FIXME: 1. Let « out1, out2 » be the result of teeing body’s stream.
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// FIXME: 2. Set body’s stream to out1.
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auto* out2 = vm.heap().allocate<Streams::ReadableStream>(realm, realm);
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// 3. Return a body whose stream is out2 and other members are copied from body.
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return Body { JS::make_handle(out2), m_source, m_length };
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}
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// https://fetch.spec.whatwg.org/#fully-reading-body-as-promise
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JS::NonnullGCPtr<JS::PromiseCapability> Body::fully_read_as_promise() const
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{
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auto& vm = Bindings::main_thread_vm();
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auto& realm = *vm.current_realm();
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// FIXME: Implement the streams spec - this is completely made up for now :^)
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if (auto const* byte_buffer = m_source.get_pointer<ByteBuffer>()) {
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auto result = String::copy(*byte_buffer);
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return WebIDL::create_resolved_promise(realm, JS::js_string(vm, move(result)));
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}
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// Empty, Blob, FormData
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return WebIDL::create_rejected_promise(realm, JS::InternalError::create(realm, "Reading body isn't fully implemented"sv));
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}
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}
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