/****************************************************************************

**

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

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtDBus module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

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**

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** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QDBUSARGUMENT_P_H

#define QDBUSARGUMENT_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists for the convenience

// of the QLibrary class.  This header file may change from

// version to version without notice, or even be removed.

//

// We mean it.

//

#include <qdbusargument.h>

#include <qdbus_symbols_p.h>

QT_BEGIN_NAMESPACE

class QDBusMarshaller;

class QDBusDemarshaller;

class QDBusArgumentPrivate

{

public:

    inline QDBusArgumentPrivate()

        : message(0), ref(1)

    { }

    ~QDBusArgumentPrivate();

    static bool checkRead(QDBusArgumentPrivate *d);

    static bool checkReadAndDetach(QDBusArgumentPrivate *&d);

    static bool checkWrite(QDBusArgumentPrivate *&d);

    QDBusMarshaller *marshaller();

    QDBusDemarshaller *demarshaller();

    static QByteArray createSignature(int id);

    static inline QDBusArgument create(QDBusArgumentPrivate *d)

    {

        QDBusArgument q(d);

        return q;

    }

    static inline QDBusArgumentPrivate *d(QDBusArgument &q)

    { return q.d; }

public:

    DBusMessage *message;

    QAtomicInt ref;

    enum Direction {

        Marshalling,

        Demarshalling

    } direction;

};

class QDBusMarshaller: public QDBusArgumentPrivate

{

public:

    QDBusMarshaller() : parent(0), ba(0), closeCode(0), ok(true)

    { direction = Marshalling; }

    ~QDBusMarshaller();

    QString currentSignature();

    void append(uchar arg);

    void append(bool arg);

    void append(short arg);

    void append(ushort arg);

    void append(int arg);

    void append(uint arg);

    void append(qlonglong arg);

    void append(qulonglong arg);

    void append(double arg);

    void append(const QString &arg);

    void append(const QDBusObjectPath &arg);

    void append(const QDBusSignature &arg);

    void append(const QStringList &arg);

    void append(const QByteArray &arg);

    bool append(const QDBusVariant &arg); // this one can fail

    QDBusMarshaller *beginStructure();

    QDBusMarshaller *endStructure();

    QDBusMarshaller *beginArray(int id);

    QDBusMarshaller *endArray();

    QDBusMarshaller *beginMap(int kid, int vid);

    QDBusMarshaller *endMap();

    QDBusMarshaller *beginMapEntry();

    QDBusMarshaller *endMapEntry();

    QDBusMarshaller *beginCommon(int code, const char *signature);

    QDBusMarshaller *endCommon();

    void open(QDBusMarshaller &sub, int code, const char *signature);

    void close();

    void error(const QString &message);

    bool appendVariantInternal(const QVariant &arg);

    bool appendRegisteredType(const QVariant &arg);

    bool appendCrossMarshalling(QDBusDemarshaller *arg);

public:

    DBusMessageIter iterator;

    QDBusMarshaller *parent;

    QByteArray *ba;

    QString errorString;

    char closeCode;

    bool ok;

private:

    Q_DISABLE_COPY(QDBusMarshaller)

};

class QDBusDemarshaller: public QDBusArgumentPrivate

{

public:

    inline QDBusDemarshaller() : parent(0) { direction = Demarshalling; }

    ~QDBusDemarshaller();

    QString currentSignature();

    uchar toByte();

    bool toBool();

    ushort toUShort();

    short toShort();

    int toInt();

    uint toUInt();

    qlonglong toLongLong();

    qulonglong toULongLong();

    double toDouble();

    QString toString();

    QDBusObjectPath toObjectPath();

    QDBusSignature toSignature();

    QDBusVariant toVariant();

    QStringList toStringList();

    QByteArray toByteArray();

    QDBusDemarshaller *beginStructure();

    QDBusDemarshaller *endStructure();

    QDBusDemarshaller *beginArray();

    QDBusDemarshaller *endArray();

    QDBusDemarshaller *beginMap();

    QDBusDemarshaller *endMap();

    QDBusDemarshaller *beginMapEntry();

    QDBusDemarshaller *endMapEntry();

    QDBusDemarshaller *beginCommon();

    QDBusDemarshaller *endCommon();

    QDBusArgument duplicate();

    inline void close() { }

    bool atEnd();

    QVariant toVariantInternal();

    QDBusArgument::ElementType currentType();

public:

    DBusMessageIter iterator;

    QDBusDemarshaller *parent;

private:

    Q_DISABLE_COPY(QDBusDemarshaller)

};

inline QDBusMarshaller *QDBusArgumentPrivate::marshaller()

{ return static_cast<QDBusMarshaller *>(this); }

inline QDBusDemarshaller *QDBusArgumentPrivate::demarshaller()

{ return static_cast<QDBusDemarshaller *>(this); }

QT_END_NAMESPACE

#endif