gecko-dev/dom/indexedDB/SerializationHelpers.h

/* -*- 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_indexeddb_serializationhelpers_h__
#define mozilla_dom_indexeddb_serializationhelpers_h__

#include "ipc/IPCMessageUtils.h"

#include "mozilla/dom/indexedDB/Key.h"
#include "mozilla/dom/indexedDB/KeyPath.h"
#include "mozilla/dom/IDBCursor.h"
#include "mozilla/dom/IDBTransaction.h"

namespace IPC {

template <>
struct ParamTraits<mozilla::dom::indexedDB::Key>
{
  typedef mozilla::dom::indexedDB::Key paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mBuffer);
  }

  static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
  {
    return ReadParam(aMsg, aIter, &aResult->mBuffer);
  }

  static void Log(const paramType& aParam, std::wstring* aLog)
  {
    LogParam(aParam.mBuffer, aLog);
  }
};

template <>
struct ParamTraits<mozilla::dom::indexedDB::KeyPath::KeyPathType> :
  public ContiguousEnumSerializer<mozilla::dom::indexedDB::KeyPath::KeyPathType,
                                  mozilla::dom::indexedDB::KeyPath::NONEXISTENT,
                                  mozilla::dom::indexedDB::KeyPath::ENDGUARD>
{ };

template <>
struct ParamTraits<mozilla::dom::indexedDB::KeyPath>
{
  typedef mozilla::dom::indexedDB::KeyPath paramType;

  static void Write(Message* aMsg, const paramType& aParam)
  {
    WriteParam(aMsg, aParam.mType);
    WriteParam(aMsg, aParam.mStrings);
  }

  static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
  {
    return ReadParam(aMsg, aIter, &aResult->mType) &&
           ReadParam(aMsg, aIter, &aResult->mStrings);
  }

  static void Log(const paramType& aParam, std::wstring* aLog)
  {
    LogParam(aParam.mStrings, aLog);
  }
};

template <>
struct ParamTraits<mozilla::dom::IDBCursor::Direction> :
  public ContiguousEnumSerializer<
                          mozilla::dom::IDBCursor::Direction,
                          mozilla::dom::IDBCursor::NEXT,
                          mozilla::dom::IDBCursor::DIRECTION_INVALID>
{ };

template <>
struct ParamTraits<mozilla::dom::IDBTransaction::Mode> :
  public ContiguousEnumSerializer<
                          mozilla::dom::IDBTransaction::Mode,
                          mozilla::dom::IDBTransaction::READ_ONLY,
                          mozilla::dom::IDBTransaction::MODE_INVALID>
{ };

} // namespace IPC

#endif // mozilla_dom_indexeddb_serializationhelpers_h__