diff options
Diffstat (limited to 'src/corelib')
| -rw-r--r-- | src/corelib/tools/qsharedpointer_impl.h | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h index f1b35ee..ad2d9f2 100644 --- a/src/corelib/tools/qsharedpointer_impl.h +++ b/src/corelib/tools/qsharedpointer_impl.h @@ -238,6 +238,7 @@ namespace QtSharedPointer { template <class X> friend class ExternalRefCount; template <class X> friend class QWeakPointer; template <class X, class Y> friend QSharedPointer<X> qSharedPointerCastHelper(const QSharedPointer<Y> &src, X *); + template <class X, class Y> friend QSharedPointer<X> qSharedPointerDynamicCastHelper(const QSharedPointer<Y> &src, X *); template <class X, class Y> friend QSharedPointer<X> qSharedPointerConstCastHelper(const QSharedPointer<Y> &src, X *); template <class X, class Y> friend QSharedPointer<X> QtSharedPointer::qStrongRefFromWeakHelper(const QWeakPointer<Y> &src, X *); #endif @@ -509,6 +510,14 @@ namespace QtSharedPointer { return result; } template <class X, class T> + Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerDynamicCastHelper(const QSharedPointer<T> &src, X *) + { + QSharedPointer<X> result; + register T *ptr = src.data(); + result.internalSet(src.d, dynamic_cast<X *>(ptr)); + return result; + } + template <class X, class T> Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCastHelper(const QSharedPointer<T> &src, X *) { QSharedPointer<X> result; @@ -544,9 +553,7 @@ template <class X, class T> Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src) { X *x = 0; - if (QtSharedPointer::qVerifyDynamicCast(src.data(), x)) - return QtSharedPointer::qSharedPointerCastHelper(src, x); - return QSharedPointer<X>(); + return QtSharedPointer::qSharedPointerDynamicCastHelper(src, x); } template <class X, class T> Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src) @@ -558,17 +565,13 @@ template <class X, class T> Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src) { X *x = 0; - if (QtSharedPointer::qVerifyConstCast(src.data(), x)) - return QtSharedPointer::qSharedPointerConstCastHelper(src, x); - return QSharedPointer<X>(); + return QtSharedPointer::qSharedPointerConstCastHelper(src, x); } template <class X, class T> Q_INLINE_TEMPLATE QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src) { X *x = 0; - if (QtSharedPointer::qVerifyConstCast(src.data(), x)) - return QtSharedPointer::qSharedPointerCastHelper(src, x); - return QSharedPointer<X>(); + return QtSharedPointer::qSharedPointerConstCastHelper(src, x); } template <class X, class T> |