mirror of
https://github.com/RGBCube/serenity
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74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
/*
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* Copyright (c) 2022-2023, 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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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Forward.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/Optional.h>
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#include <AK/Variant.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibWeb/Fetch/Infrastructure/Task.h>
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#include <LibWeb/FileAPI/Blob.h>
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#include <LibWeb/Streams/ReadableStream.h>
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#include <LibWeb/WebIDL/Promise.h>
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namespace Web::Fetch::Infrastructure {
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// https://fetch.spec.whatwg.org/#concept-body
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class Body final : public JS::Cell {
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JS_CELL(Body, JS::Cell);
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JS_DECLARE_ALLOCATOR(Body);
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public:
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using SourceType = Variant<Empty, ByteBuffer, JS::Handle<FileAPI::Blob>>;
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// processBody must be an algorithm accepting a byte sequence.
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using ProcessBodyCallback = JS::SafeFunction<void(ByteBuffer)>;
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// processBodyError must be an algorithm optionally accepting an exception.
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using ProcessBodyErrorCallback = JS::SafeFunction<void(JS::GCPtr<WebIDL::DOMException>)>;
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[[nodiscard]] static JS::NonnullGCPtr<Body> create(JS::VM&, JS::NonnullGCPtr<Streams::ReadableStream>);
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[[nodiscard]] static JS::NonnullGCPtr<Body> create(JS::VM&, JS::NonnullGCPtr<Streams::ReadableStream>, SourceType, Optional<u64>);
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[[nodiscard]] JS::NonnullGCPtr<Streams::ReadableStream> stream() const { return *m_stream; }
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[[nodiscard]] SourceType const& source() const { return m_source; }
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[[nodiscard]] Optional<u64> const& length() const { return m_length; }
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[[nodiscard]] JS::NonnullGCPtr<Body> clone(JS::Realm&);
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WebIDL::ExceptionOr<void> fully_read(JS::Realm&, ProcessBodyCallback process_body, ProcessBodyErrorCallback process_body_error, TaskDestination task_destination) const;
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virtual void visit_edges(JS::Cell::Visitor&) override;
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private:
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explicit Body(JS::NonnullGCPtr<Streams::ReadableStream>);
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Body(JS::NonnullGCPtr<Streams::ReadableStream>, SourceType, Optional<u64>);
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// https://fetch.spec.whatwg.org/#concept-body-stream
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// A stream (a ReadableStream object).
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JS::NonnullGCPtr<Streams::ReadableStream> m_stream;
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// https://fetch.spec.whatwg.org/#concept-body-source
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// A source (null, a byte sequence, a Blob object, or a FormData object), initially null.
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SourceType m_source;
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// https://fetch.spec.whatwg.org/#concept-body-total-bytes
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// A length (null or an integer), initially null.
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Optional<u64> m_length;
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};
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// https://fetch.spec.whatwg.org/#body-with-type
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// A body with type is a tuple that consists of a body (a body) and a type (a header value or null).
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struct BodyWithType {
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JS::NonnullGCPtr<Body> body;
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Optional<ByteBuffer> type;
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};
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WebIDL::ExceptionOr<JS::NonnullGCPtr<Body>> byte_sequence_as_body(JS::Realm&, ReadonlyBytes);
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}
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