/* * Copyright (c) 2022, Linus Groh * * SPDX-License-Identifier: BSD-2-Clause */ #include #include #include #include #include namespace Web::Fetch::Infrastructure { Body::Body(JS::Handle stream) : m_stream(move(stream)) { } Body::Body(JS::Handle stream, SourceType source, Optional length) : m_stream(move(stream)) , m_source(move(source)) , m_length(move(length)) { } // https://fetch.spec.whatwg.org/#concept-body-clone WebIDL::ExceptionOr Body::clone() const { // To clone a body body, run these steps: auto& vm = Bindings::main_thread_vm(); auto& realm = *vm.current_realm(); // FIXME: 1. Let « out1, out2 » be the result of teeing body’s stream. // FIXME: 2. Set body’s stream to out1. auto out2 = MUST_OR_THROW_OOM(vm.heap().allocate(realm, realm)); // 3. Return a body whose stream is out2 and other members are copied from body. return Body { JS::make_handle(out2), m_source, m_length }; } // https://fetch.spec.whatwg.org/#fully-reading-body-as-promise JS::NonnullGCPtr Body::fully_read_as_promise() const { auto& vm = Bindings::main_thread_vm(); auto& realm = *vm.current_realm(); // FIXME: Implement the streams spec - this is completely made up for now :^) if (auto const* byte_buffer = m_source.get_pointer()) { auto result = DeprecatedString::copy(*byte_buffer); return WebIDL::create_resolved_promise(realm, JS::PrimitiveString::create(vm, move(result))); } // Empty, Blob, FormData return WebIDL::create_rejected_promise(realm, JS::InternalError::create(realm, "Reading body isn't fully implemented"sv).release_allocated_value_but_fixme_should_propagate_errors()); } // https://fetch.spec.whatwg.org/#byte-sequence-as-a-body WebIDL::ExceptionOr byte_sequence_as_body(JS::Realm& realm, ReadonlyBytes bytes) { // To get a byte sequence bytes as a body, return the body of the result of safely extracting bytes. auto [body, _] = TRY(safely_extract_body(realm, bytes)); return body; } }