diff options
Diffstat (limited to 'src/declarative/qml/ftw/qflagpointer_p.h')
-rw-r--r-- | src/declarative/qml/ftw/qflagpointer_p.h | 170 |
1 files changed, 163 insertions, 7 deletions
diff --git a/src/declarative/qml/ftw/qflagpointer_p.h b/src/declarative/qml/ftw/qflagpointer_p.h index 2d503891ee..ac462cbe30 100644 --- a/src/declarative/qml/ftw/qflagpointer_p.h +++ b/src/declarative/qml/ftw/qflagpointer_p.h @@ -69,10 +69,12 @@ public: inline bool flag() const; inline void setFlag(); inline void clearFlag(); + inline void setFlagValue(bool); inline bool flag2() const; inline void setFlag2(); inline void clearFlag2(); + inline void setFlag2Value(bool); inline QFlagPointer<T> &operator=(const QFlagPointer &o); inline QFlagPointer<T> &operator=(T *); @@ -81,11 +83,43 @@ public: inline T *operator*() const; private: - intptr_t ptr_value; + quintptr ptr_value; - static const intptr_t FlagBit = 0x1; - static const intptr_t Flag2Bit = 0x2; - static const intptr_t FlagsMask = FlagBit | Flag2Bit; + static const quintptr FlagBit = 0x1; + static const quintptr Flag2Bit = 0x2; + static const quintptr FlagsMask = FlagBit | Flag2Bit; +}; + +template<typename T, typename T2> +class QBiPointer { +public: + inline QBiPointer(); + inline QBiPointer(T *); + inline QBiPointer(T2 *); + inline QBiPointer(const QBiPointer<T, T2> &o); + + inline bool isNull() const; + inline bool isT1() const; + inline bool isT2() const; + + inline bool flag() const; + inline void setFlag(); + inline void clearFlag(); + inline void setFlagValue(bool); + + inline QBiPointer<T, T2> &operator=(const QBiPointer<T, T2> &o); + inline QBiPointer<T, T2> &operator=(T *); + inline QBiPointer<T, T2> &operator=(T2 *); + + inline T *asT1() const; + inline T2 *asT2() const; + +private: + quintptr ptr_value; + + static const quintptr FlagBit = 0x1; + static const quintptr Flag2Bit = 0x2; + static const quintptr FlagsMask = FlagBit | Flag2Bit; }; template<typename T> @@ -96,7 +130,7 @@ QFlagPointer<T>::QFlagPointer() template<typename T> QFlagPointer<T>::QFlagPointer(T *v) -: ptr_value(intptr_t(v)) +: ptr_value(quintptr(v)) { Q_ASSERT((ptr_value & FlagsMask) == 0); } @@ -132,6 +166,13 @@ void QFlagPointer<T>::clearFlag() } template<typename T> +void QFlagPointer<T>::setFlagValue(bool v) +{ + if (v) setFlag(); + else clearFlag(); +} + +template<typename T> bool QFlagPointer<T>::flag2() const { return ptr_value & Flag2Bit; @@ -150,6 +191,13 @@ void QFlagPointer<T>::clearFlag2() } template<typename T> +void QFlagPointer<T>::setFlag2Value(bool v) +{ + if (v) setFlag2(); + else clearFlag2(); +} + +template<typename T> QFlagPointer<T> &QFlagPointer<T>::operator=(const QFlagPointer &o) { ptr_value = o.ptr_value; @@ -159,9 +207,9 @@ QFlagPointer<T> &QFlagPointer<T>::operator=(const QFlagPointer &o) template<typename T> QFlagPointer<T> &QFlagPointer<T>::operator=(T *o) { - Q_ASSERT((intptr_t(o) & FlagsMask) == 0); + Q_ASSERT((quintptr(o) & FlagsMask) == 0); - ptr_value = intptr_t(o) | (ptr_value & FlagsMask); + ptr_value = quintptr(o) | (ptr_value & FlagsMask); return *this; } @@ -177,6 +225,114 @@ T *QFlagPointer<T>::operator*() const return (T *)(ptr_value & ~FlagsMask); } +template<typename T, typename T2> +QBiPointer<T, T2>::QBiPointer() +: ptr_value(0) +{ +} + +template<typename T, typename T2> +QBiPointer<T, T2>::QBiPointer(T *v) +: ptr_value(quintptr(v)) +{ + Q_ASSERT((quintptr(v) & FlagsMask) == 0); +} + +template<typename T, typename T2> +QBiPointer<T, T2>::QBiPointer(T2 *v) +: ptr_value(quintptr(v) | Flag2Bit) +{ + Q_ASSERT((quintptr(v) & FlagsMask) == 0); +} + +template<typename T, typename T2> +QBiPointer<T, T2>::QBiPointer(const QBiPointer<T, T2> &o) +: ptr_value(o.ptr_value) +{ +} + +template<typename T, typename T2> +bool QBiPointer<T, T2>::isNull() const +{ + return 0 == (ptr_value & (~FlagsMask)); +} + +template<typename T, typename T2> +bool QBiPointer<T, T2>::isT1() const +{ + return !(ptr_value & Flag2Bit); +} + +template<typename T, typename T2> +bool QBiPointer<T, T2>::isT2() const +{ + return ptr_value & Flag2Bit; +} + +template<typename T, typename T2> +bool QBiPointer<T, T2>::flag() const +{ + return ptr_value & FlagBit; +} + +template<typename T, typename T2> +void QBiPointer<T, T2>::setFlag() +{ + ptr_value |= FlagBit; +} + +template<typename T, typename T2> +void QBiPointer<T, T2>::clearFlag() +{ + ptr_value &= ~FlagBit; +} + +template<typename T, typename T2> +void QBiPointer<T, T2>::setFlagValue(bool v) +{ + if (v) setFlag(); + else clearFlag(); +} + +template<typename T, typename T2> +QBiPointer<T, T2> &QBiPointer<T, T2>::operator=(const QBiPointer<T, T2> &o) +{ + ptr_value = o.ptr_value; + return *this; +} + +template<typename T, typename T2> +QBiPointer<T, T2> &QBiPointer<T, T2>::operator=(T *o) +{ + Q_ASSERT((quintptr(o) & FlagsMask) == 0); + + ptr_value = quintptr(o) | (ptr_value & FlagBit); + return *this; +} + +template<typename T, typename T2> +QBiPointer<T, T2> &QBiPointer<T, T2>::operator=(T2 *o) +{ + Q_ASSERT((quintptr(o) & FlagsMask) == 0); + + ptr_value = quintptr(o) | (ptr_value & FlagBit) | Flag2Bit; + return *this; +} + +template<typename T, typename T2> +T *QBiPointer<T, T2>::asT1() const +{ + Q_ASSERT(isT1()); + return (T *)(ptr_value & ~FlagsMask); +} + +template<typename T, typename T2> +T2 *QBiPointer<T, T2>::asT2() const +{ + Q_ASSERT(isT2()); + return (T2 *)(ptr_value & ~FlagsMask); +} + QT_END_NAMESPACE #endif // QFLAGPOINTER_P_H |