1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtDBus module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
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14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24**
25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
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39**
40****************************************************************************/
41
42#ifndef QDBUSMETATYPE_H
43#define QDBUSMETATYPE_H
44
45#include "QtCore/qmetatype.h"
46#include <QtDBus/qdbusargument.h>
47
48#ifndef QT_NO_DBUS
49
50QT_BEGIN_HEADER
51
52QT_BEGIN_NAMESPACE
53
54QT_MODULE(DBus)
55
56class Q_DBUS_EXPORT QDBusMetaType
57{
58public:
59 typedef void (*MarshallFunction)(QDBusArgument &, const void *);
60 typedef void (*DemarshallFunction)(const QDBusArgument &, void *);
61
62 static void registerMarshallOperators(int typeId, MarshallFunction, DemarshallFunction);
63 static bool marshall(QDBusArgument &, int id, const void *data);
64 static bool demarshall(const QDBusArgument &, int id, void *data);
65
66 static int signatureToType(const char *signature);
67 static const char *typeToSignature(int type);
68};
69
70template<typename T>
71void qDBusMarshallHelper(QDBusArgument &arg, const T *t)
72{ arg << *t; }
73
74template<typename T>
75void qDBusDemarshallHelper(const QDBusArgument &arg, T *t)
76{ arg >> *t; }
77
78template<typename T>
79int qDBusRegisterMetaType(
80#ifndef qdoc
81 T * /* dummy */ = 0
82#endif
83)
84{
85 void (*mf)(QDBusArgument &, const T *) = qDBusMarshallHelper<T>;
86 void (*df)(const QDBusArgument &, T *) = qDBusDemarshallHelper<T>;
87
88 int id = qRegisterMetaType<T>(); // make sure it's registered
89 QDBusMetaType::registerMarshallOperators(id,
90 reinterpret_cast<QDBusMetaType::MarshallFunction>(mf),
91 reinterpret_cast<QDBusMetaType::DemarshallFunction>(df));
92 return id;
93}
94
95QT_END_NAMESPACE
96
97QT_END_HEADER
98
99#endif // QT_NO_DBUS
100#endif
101