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106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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* Copyright (c) 2022, Daniel Ehrenberg <dan@littledan.dev>
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* Copyright (c) 2022, Andrew Kaster <akaster@serenityos.org>
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* Copyright (c) 2024, Kenneth Myhra <kennethmyhra@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/MemoryStream.h>
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#include <AK/Vector.h>
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#include <LibIPC/Decoder.h>
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#include <LibIPC/Encoder.h>
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#include <LibIPC/Message.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/Export.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/StructuredSerializeTypes.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::HTML {
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class WEB_API TransferDataEncoder {
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public:
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explicit TransferDataEncoder();
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explicit TransferDataEncoder(IPC::MessageBuffer&&);
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template<typename T>
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void encode(T const& value)
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{
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MUST(m_encoder.encode(value));
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}
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void append(SerializationRecord&&);
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void extend(Vector<TransferDataEncoder>);
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IPC::MessageBuffer const& buffer() const { return m_buffer; }
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IPC::MessageBuffer take_buffer() { return move(m_buffer); }
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private:
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IPC::MessageBuffer m_buffer;
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IPC::Encoder m_encoder;
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};
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class WEB_API TransferDataDecoder {
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public:
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explicit TransferDataDecoder(SerializationRecord const&);
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explicit TransferDataDecoder(TransferDataEncoder&&);
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template<typename T>
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T decode()
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{
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static_assert(!IsSame<T, ByteBuffer>, "Use decode_buffer to handle OOM");
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return MUST(m_decoder.decode<T>());
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}
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WebIDL::ExceptionOr<ByteBuffer> decode_buffer(JS::Realm&);
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private:
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IPC::MessageBuffer m_buffer;
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FixedMemoryStream m_stream;
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Queue<IPC::File> m_files;
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IPC::Decoder m_decoder;
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};
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struct SerializedTransferRecord {
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SerializationRecord serialized;
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Vector<TransferDataEncoder> transfer_data_holders;
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};
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struct DeserializedTransferRecord {
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JS::Value deserialized;
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Vector<GC::Root<JS::Object>> transferred_values;
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};
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize(JS::VM&, JS::Value);
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize_for_storage(JS::VM&, JS::Value);
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WebIDL::ExceptionOr<SerializationRecord> structured_serialize_internal(JS::VM&, JS::Value, bool for_storage, SerializationMemory&);
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WebIDL::ExceptionOr<JS::Value> structured_deserialize(JS::VM&, SerializationRecord const&, JS::Realm&, Optional<DeserializationMemory> = {});
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WebIDL::ExceptionOr<JS::Value> structured_deserialize_internal(JS::VM&, TransferDataDecoder&, JS::Realm&, DeserializationMemory&);
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WEB_API WebIDL::ExceptionOr<SerializedTransferRecord> structured_serialize_with_transfer(JS::VM&, JS::Value, Vector<GC::Root<JS::Object>> const& transfer_list);
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WebIDL::ExceptionOr<DeserializedTransferRecord> structured_deserialize_with_transfer(SerializedTransferRecord&, JS::Realm&);
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WEB_API WebIDL::ExceptionOr<JS::Value> structured_deserialize_with_transfer_internal(TransferDataDecoder&, JS::Realm&);
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}
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namespace IPC {
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template<>
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WEB_API ErrorOr<void> encode(Encoder&, Web::HTML::TransferDataEncoder const&);
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template<>
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WEB_API ErrorOr<Web::HTML::TransferDataEncoder> decode(Decoder&);
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template<>
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ErrorOr<void> encode(Encoder&, Web::HTML::SerializedTransferRecord const&);
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template<>
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ErrorOr<Web::HTML::SerializedTransferRecord> decode(Decoder&);
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}
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