Qt 4.8
qdbusmetatype.h
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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 
51 
53 
54 QT_MODULE(DBus)
55 
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>
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
90  reinterpret_cast<QDBusMetaType::MarshallFunction>(mf),
91  reinterpret_cast<QDBusMetaType::DemarshallFunction>(df));
92  return id;
93 }
94 
96 
98 
99 #endif // QT_NO_DBUS
100 #endif
int type
Definition: qmetatype.cpp:239
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
The QDBusArgument class is used to marshall and demarshall D-Bus arguments.
Definition: qdbusargument.h:69
void qDBusDemarshallHelper(const QDBusArgument &arg, T *t)
Definition: qdbusmetatype.h:75
void qDBusMarshallHelper(QDBusArgument &arg, const T *t)
Definition: qdbusmetatype.h:71
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static const char * data(const QByteArray &arr)
static void registerMarshallOperators(int typeId, MarshallFunction, DemarshallFunction)
Registers the marshalling and demarshalling functions for meta type id.
int qDBusRegisterMetaType()
Registers T with the qdbustypesystem .
Definition: qdbusmetatype.h:79
Meta-type registration system for the QtDBus module.
Definition: qdbusmetatype.h:56
#define Q_DBUS_EXPORT
Definition: qglobal.h:1463
#define class
#define QT_END_HEADER
Definition: qglobal.h:137