diff options
Diffstat (limited to 'src/corelib/kernel')
-rw-r--r-- | src/corelib/kernel/qvariant.cpp | 35 | ||||
-rw-r--r-- | src/corelib/kernel/qvariant_p.h | 5 |
2 files changed, 21 insertions, 19 deletions
diff --git a/src/corelib/kernel/qvariant.cpp b/src/corelib/kernel/qvariant.cpp index 84ad555f34..a1e1c71d12 100644 --- a/src/corelib/kernel/qvariant.cpp +++ b/src/corelib/kernel/qvariant.cpp @@ -4520,15 +4520,24 @@ QSequentialIterable::const_iterator QSequentialIterable::end() const return it; } +static const QVariant variantFromVariantDataHelper(const QtMetaTypePrivate::VariantData &d) { + QVariant v; + if (d.metaTypeId == qMetaTypeId<QVariant>()) + v = *reinterpret_cast<const QVariant*>(d.data); + else + v = QVariant(d.metaTypeId, d.data, d.flags & ~QVariantConstructionFlags::ShouldDeleteVariantData); + if (d.flags & QVariantConstructionFlags::ShouldDeleteVariantData) + QMetaType::destroy(d.metaTypeId, const_cast<void *>(d.data)); + return v; +} + /*! Returns the element at position \a idx in the container. */ QVariant QSequentialIterable::at(int idx) const { const QtMetaTypePrivate::VariantData d = m_impl.at(idx); - if (d.metaTypeId == qMetaTypeId<QVariant>()) - return *reinterpret_cast<const QVariant*>(d.data); - return QVariant(d.metaTypeId, d.data, d.flags); + return variantFromVariantDataHelper(d); } /*! @@ -4605,9 +4614,7 @@ QSequentialIterable::const_iterator::operator=(const const_iterator &other) const QVariant QSequentialIterable::const_iterator::operator*() const { const QtMetaTypePrivate::VariantData d = m_impl.getCurrent(); - if (d.metaTypeId == qMetaTypeId<QVariant>()) - return *reinterpret_cast<const QVariant*>(d.data); - return QVariant(d.metaTypeId, d.data, d.flags); + return variantFromVariantDataHelper(d); } /*! @@ -4939,10 +4946,7 @@ QAssociativeIterable::const_iterator::operator=(const const_iterator &other) const QVariant QAssociativeIterable::const_iterator::operator*() const { const QtMetaTypePrivate::VariantData d = m_impl.getCurrentValue(); - QVariant v(d.metaTypeId, d.data, d.flags); - if (d.metaTypeId == qMetaTypeId<QVariant>()) - return *reinterpret_cast<const QVariant*>(d.data); - return v; + return variantFromVariantDataHelper(d); } /*! @@ -4951,10 +4955,7 @@ const QVariant QAssociativeIterable::const_iterator::operator*() const const QVariant QAssociativeIterable::const_iterator::key() const { const QtMetaTypePrivate::VariantData d = m_impl.getCurrentKey(); - QVariant v(d.metaTypeId, d.data, d.flags); - if (d.metaTypeId == qMetaTypeId<QVariant>()) - return *reinterpret_cast<const QVariant*>(d.data); - return v; + return variantFromVariantDataHelper(d); } /*! @@ -4962,11 +4963,7 @@ const QVariant QAssociativeIterable::const_iterator::key() const */ const QVariant QAssociativeIterable::const_iterator::value() const { - const QtMetaTypePrivate::VariantData d = m_impl.getCurrentValue(); - QVariant v(d.metaTypeId, d.data, d.flags); - if (d.metaTypeId == qMetaTypeId<QVariant>()) - return *reinterpret_cast<const QVariant*>(d.data); - return v; + return operator*(); } /*! diff --git a/src/corelib/kernel/qvariant_p.h b/src/corelib/kernel/qvariant_p.h index 3d87beac83..b8b63b5e6f 100644 --- a/src/corelib/kernel/qvariant_p.h +++ b/src/corelib/kernel/qvariant_p.h @@ -105,6 +105,11 @@ inline T *v_cast(QVariant::Private *d, T * = nullptr) #endif +enum QVariantConstructionFlags : uint { + Default = 0x0, + PointerType = 0x1, + ShouldDeleteVariantData = 0x2 // only used in Q*Iterable +}; //a simple template that avoids to allocate 2 memory chunks when creating a QVariant template <class T> class QVariantPrivateSharedEx : public QVariant::PrivateShared |