/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:                                                         

*

*/

#ifndef XQSERVICEIPCMARSHAL_H

#define XQSERVICEIPCMARSHAL_H

#include <xqserviceglobal.h>

#include <qvariant.h>

#include <qmetatype.h>

#include <qdatastream.h>

#include <qatomic.h>

#include <quuid.h>

/// @cond

/*!

    Excluded from documentation.

*/

template <typename T>

struct QMetaTypeRegister

{

    static int registerType() { return 1; }

};

/// @endcond

#ifdef Q_CC_GNU

# define _QATOMIC_ONCE() do {} while(0)

#else

# define _QATOMIC_ONCE()                \

    static QAtomicInt once;             \

    if ( once.fetchAndStoreOrdered(1) ) \

        return 1

#endif

#define Q_DECLARE_USER_METATYPE_NO_OPERATORS(TYPE) \

    Q_DECLARE_METATYPE(TYPE) \

    template<> \

    struct QMetaTypeRegister< TYPE > \

    { \

        static int registerType() \

        { \

            _QATOMIC_ONCE(); \

            int id = qMetaTypeId( reinterpret_cast<TYPE *>(0) ); \

            if ( id >= static_cast<int>(QMetaType::User) ) \

                qRegisterMetaTypeStreamOperators< TYPE >( #TYPE ); \

            return 1; \

        } \

        static int __init_variable__; \

    };

#define Q_DECLARE_USER_METATYPE(TYPE) \

    Q_DECLARE_USER_METATYPE_NO_OPERATORS(TYPE) \

    QDataStream &operator<<(QDataStream &stream, const TYPE &var); \

    QDataStream &operator>>( QDataStream &stream, TYPE &var );

#define Q_DECLARE_USER_METATYPE_TYPEDEF(TAG,TYPE)       \

    template <typename T> \

    struct QMetaTypeRegister##TAG \

    { \

        static int registerType() { return 1; } \

    }; \

    template<> struct QMetaTypeRegister##TAG< TYPE > { \

        static int registerType() { \

            _QATOMIC_ONCE(); \

            qRegisterMetaType< TYPE >( #TYPE ); \

            qRegisterMetaTypeStreamOperators< TYPE >( #TYPE ); \

            return 1; \

        } \

        static int __init_variable__; \

    };

#define Q_DECLARE_USER_METATYPE_ENUM(TYPE)      \

    Q_DECLARE_USER_METATYPE(TYPE)

#define Q_IMPLEMENT_USER_METATYPE_NO_OPERATORS(TYPE) \

    int QMetaTypeRegister< TYPE >::__init_variable__ = \

        QMetaTypeRegister< TYPE >::registerType();

#define Q_IMPLEMENT_USER_METATYPE(TYPE) \

    QDataStream &operator<<(QDataStream &stream, const TYPE &var) \

    { \

        var.serialize(stream); \

        return stream; \

    } \

    \

    QDataStream &operator>>( QDataStream &stream, TYPE &var ) \

    { \

        var.deserialize(stream); \

        return stream; \

    } \

    Q_IMPLEMENT_USER_METATYPE_NO_OPERATORS(TYPE)

#define Q_IMPLEMENT_USER_METATYPE_TYPEDEF(TAG,TYPE)     \

    int QMetaTypeRegister##TAG< TYPE >::__init_variable__ = \

        QMetaTypeRegister##TAG< TYPE >::registerType();

#define Q_IMPLEMENT_USER_METATYPE_ENUM(TYPE)    \

    QDataStream& operator<<( QDataStream& stream, const TYPE &v ) \

    { \

        stream << static_cast<qint32>(v); \

        return stream; \

    } \

    QDataStream& operator>>( QDataStream& stream, TYPE& v ) \

    { \

        qint32 _v; \

        stream >> _v; \

        v = static_cast<TYPE>(_v); \

        return stream; \

    } \

    Q_IMPLEMENT_USER_METATYPE_NO_OPERATORS(TYPE)

#define Q_REGISTER_USER_METATYPE(TYPE)  \

    QMetaTypeRegister< TYPE >::registerType()

Q_DECLARE_USER_METATYPE_NO_OPERATORS(QUuid)

#endif