SerializationHelpers.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_localstorage_SerializationHelpers_h

#define mozilla_dom_localstorage_SerializationHelpers_h

#include <string>

#include "chrome/common/ipc_message_utils.h"

#include "ipc/EnumSerializer.h"

#include "mozilla/dom/LSSnapshot.h"

#include "mozilla/dom/LSValue.h"

namespace IPC {

template <>

struct ParamTraits<mozilla::dom::LSSnapshot::LoadState>

    : public ContiguousEnumSerializer<

          mozilla::dom::LSSnapshot::LoadState,

          mozilla::dom::LSSnapshot::LoadState::Initial,

          mozilla::dom::LSSnapshot::LoadState::EndGuard> {};

template <>

struct ParamTraits<mozilla::dom::LSValue::CompressionType>

    : public ContiguousEnumSerializer<

          mozilla::dom::LSValue::CompressionType,

          mozilla::dom::LSValue::CompressionType::UNCOMPRESSED,

          mozilla::dom::LSValue::CompressionType::NUM_TYPES> {};

static_assert(

    0u == static_cast<uint8_t>(mozilla::dom::LSValue::ConversionType::NONE));

template <>

struct ParamTraits<mozilla::dom::LSValue::ConversionType>

    : public ContiguousEnumSerializer<

          mozilla::dom::LSValue::ConversionType,

          mozilla::dom::LSValue::ConversionType::NONE,

          mozilla::dom::LSValue::ConversionType::NUM_TYPES> {};

template <>

struct ParamTraits<mozilla::dom::LSValue> {

  typedef mozilla::dom::LSValue paramType;

  static void Write(MessageWriter* aWriter, const paramType& aParam) {

    WriteParam(aWriter, aParam.mBuffer);

    WriteParam(aWriter, aParam.mUTF16Length);

    WriteParam(aWriter, aParam.mConversionType);

    WriteParam(aWriter, aParam.mCompressionType);

  static bool Read(MessageReader* aReader, paramType* aResult) {

    return ReadParam(aReader, &aResult->mBuffer) &&

           ReadParam(aReader, &aResult->mUTF16Length) &&

           ReadParam(aReader, &aResult->mConversionType) &&

           ReadParam(aReader, &aResult->mCompressionType);

};

}  // namespace IPC

#endif  // mozilla_dom_localstorage_SerializationHelpers_h