diff options
Diffstat (limited to 'src/corelib/kernel')
-rw-r--r-- | src/corelib/kernel/qmetatype.cpp | 34 | ||||
-rw-r--r-- | src/corelib/kernel/qmetatype_p.h | 66 |
2 files changed, 69 insertions, 31 deletions
diff --git a/src/corelib/kernel/qmetatype.cpp b/src/corelib/kernel/qmetatype.cpp index ebb4548934..e3a8293ee6 100644 --- a/src/corelib/kernel/qmetatype.cpp +++ b/src/corelib/kernel/qmetatype.cpp @@ -287,42 +287,14 @@ static const struct { const char * typeName; int typeNameLength; int type; } typ {0, 0, QMetaType::Void} }; -struct QMetaTypeGuiHelper -{ - QMetaType::Creator creator; - QMetaType::Deleter deleter; -#ifndef QT_NO_DATASTREAM - QMetaType::SaveOperator saveOp; - QMetaType::LoadOperator loadOp; -#endif - QMetaType::Constructor constructor; - QMetaType::Destructor destructor; - int size; -}; -Q_CORE_EXPORT const QMetaTypeGuiHelper *qMetaTypeGuiHelper = 0; -Q_CORE_EXPORT const QMetaTypeGuiHelper *qMetaTypeWidgetsHelper = 0; +Q_CORE_EXPORT const QMetaTypeInterface *qMetaTypeGuiHelper = 0; +Q_CORE_EXPORT const QMetaTypeInterface *qMetaTypeWidgetsHelper = 0; -class QCustomTypeInfo +class QCustomTypeInfo : public QMetaTypeInterface { public: - QCustomTypeInfo() : typeName(), creator(0), deleter(0) -#ifndef QT_NO_DATASTREAM - , saveOp(0), loadOp(0) -#endif - , constructor(0), destructor(0), size(0) - {} - QByteArray typeName; - QMetaType::Creator creator; - QMetaType::Deleter deleter; -#ifndef QT_NO_DATASTREAM - QMetaType::SaveOperator saveOp; - QMetaType::LoadOperator loadOp; -#endif int alias; - QMetaType::Constructor constructor; - QMetaType::Destructor destructor; - int size; }; Q_DECLARE_TYPEINFO(QCustomTypeInfo, Q_MOVABLE_TYPE); diff --git a/src/corelib/kernel/qmetatype_p.h b/src/corelib/kernel/qmetatype_p.h index 521e8ff1ac..205516d862 100644 --- a/src/corelib/kernel/qmetatype_p.h +++ b/src/corelib/kernel/qmetatype_p.h @@ -111,6 +111,72 @@ QT_FOR_EACH_STATIC_WIDGETS_CLASS(QT_DECLARE_WIDGETS_MODULE_TYPES_ITER) #undef QT_DECLARE_GUI_MODULE_TYPES_ITER #undef QT_DECLARE_WIDGETS_MODULE_TYPES_ITER +class QMetaTypeInterface +{ +private: + template<typename T> + struct Impl { + static void *creator(const T *t) + { + if (t) + return new T(*t); + return new T(); + } + + static void deleter(T *t) { delete t; } + #ifndef QT_NO_DATASTREAM + static void saver(QDataStream &stream, const T *t) { stream << *t; } + static void loader(QDataStream &stream, T *t) { stream >> *t; } + #endif // QT_NO_DATASTREAM + static void destructor(T *t) + { + Q_UNUSED(t) // Silence MSVC that warns for POD types. + t->~T(); + } + static void *constructor(void *where, const T *t) + { + if (t) + return new (where) T(*static_cast<const T*>(t)); + return new (where) T; + } + }; +public: + template<typename T> + QMetaTypeInterface(T * = 0) + : creator(reinterpret_cast<QMetaType::Creator>(Impl<T>::creator)) + , deleter(reinterpret_cast<QMetaType::Deleter>(Impl<T>::deleter)) + #ifndef QT_NO_DATASTREAM + , saveOp(reinterpret_cast<QMetaType::SaveOperator>(Impl<T>::saver)) + , loadOp(reinterpret_cast<QMetaType::LoadOperator>(Impl<T>::loader)) + #endif + , constructor(reinterpret_cast<QMetaType::Constructor>(Impl<T>::constructor)) + , destructor(reinterpret_cast<QMetaType::Destructor>(Impl<T>::destructor)) + , size(sizeof(T)) + {} + + QMetaTypeInterface() + : creator(0) + , deleter(0) + #ifndef QT_NO_DATASTREAM + , saveOp(0) + , loadOp(0) + #endif + , constructor(0) + , destructor(0) + , size(0) + {} + + QMetaType::Creator creator; + QMetaType::Deleter deleter; +#ifndef QT_NO_DATASTREAM + QMetaType::SaveOperator saveOp; + QMetaType::LoadOperator loadOp; +#endif + QMetaType::Constructor constructor; + QMetaType::Destructor destructor; + int size; +}; + QT_END_NAMESPACE #endif // QMETATYPE_P_H |