src/dbus/qdbusmetatype.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/dbus/qdbusmetatype.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,97 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDBUSMETATYPE_H
+#define QDBUSMETATYPE_H
+
+#include "QtCore/qmetatype.h"
+#include <QtDBus/qdbusargument.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(DBus)
+
+class QDBUS_EXPORT QDBusMetaType
+{
+public:
+    typedef void (*MarshallFunction)(QDBusArgument &, const void *);
+    typedef void (*DemarshallFunction)(const QDBusArgument &, void *);
+
+    static void registerMarshallOperators(int typeId, MarshallFunction, DemarshallFunction);
+    static bool marshall(QDBusArgument &, int id, const void *data);
+    static bool demarshall(const QDBusArgument &, int id, void *data);
+
+    static int signatureToType(const char *signature);
+    static const char *typeToSignature(int type);
+};
+
+template<typename T>
+void qDBusMarshallHelper(QDBusArgument &arg, const T *t)
+{ arg << *t; }
+
+template<typename T>
+void qDBusDemarshallHelper(const QDBusArgument &arg, T *t)
+{ arg >> *t; }
+
+template<typename T>
+int qDBusRegisterMetaType(
+#ifndef qdoc
+    T * /* dummy */ = 0
+#endif
+)
+{
+    void (*mf)(QDBusArgument &, const T *) = qDBusMarshallHelper<T>;
+    void (*df)(const QDBusArgument &, T *) = qDBusDemarshallHelper<T>;
+
+    int id = qRegisterMetaType<T>(); // make sure it's registered
+    QDBusMetaType::registerMarshallOperators(id,
+        reinterpret_cast<QDBusMetaType::MarshallFunction>(mf),
+        reinterpret_cast<QDBusMetaType::DemarshallFunction>(df));
+    return id;
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif