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 |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and Digia. For licensing terms and |
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 |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
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 | |
50 | QT_BEGIN_HEADER |
51 | |
52 | QT_BEGIN_NAMESPACE |
53 | |
54 | QT_MODULE(DBus) |
55 | |
56 | class Q_DBUS_EXPORT QDBusMetaType |
57 | { |
58 | public: |
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 | |
70 | template<typename T> |
71 | void qDBusMarshallHelper(QDBusArgument &arg, const T *t) |
72 | { arg << *t; } |
73 | |
74 | template<typename T> |
75 | void qDBusDemarshallHelper(const QDBusArgument &arg, T *t) |
76 | { arg >> *t; } |
77 | |
78 | template<typename T> |
79 | int 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 | |
95 | QT_END_NAMESPACE |
96 | |
97 | QT_END_HEADER |
98 | |
99 | #endif // QT_NO_DBUS |
100 | #endif |
101 | |