AuroraMiddleware/qt5base-lts
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Always try to conversions through QMetaType

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Always ask QMetaType to convert first before trying the builtin
code in QVariant. That way we can migrate conversions piece by
piece to QMetaType.

Change-Id: I4fd1bad3ef045d37f84f68e748a6357e0ee0c16c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Lars Knoll 2020-07-13 10:02:40 +02:00
parent 560a419281
commit f44d2ea1cc
1 changed files with 9 additions and 21 deletions
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20
src/corelib/kernel/qvariant.cpp
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@ -2462,11 +2462,9 @@ inline T qVariantToHelper(const QVariant::Private &d)
return d.get<T>();
T ret;
if (d.typeId() >= QMetaType::LastCoreType || targetType.id() >= QMetaType::LastCoreType) {
const void * const from = d.storage();
if (QMetaType::convert(from, d.typeId(), &ret, targetType.id()))
return ret;
}
convert(&d, targetType.id(), &ret);
return ret;
@ -2896,8 +2894,7 @@ inline T qNumVariantToHelper(const QVariant::Private &d, bool *ok, const T& val)
return val;
T ret = 0;
if ((d.typeId() >= QMetaType::LastCoreType || t >= QMetaType::LastCoreType)
&& QMetaType::convert(d.storage(), d.typeId(), &ret, t))
if (QMetaType::convert(d.storage(), d.typeId(), &ret, t))
return ret;
bool success = convert(&d, t, &ret);
@ -3003,11 +3000,8 @@ bool QVariant::toBool() const
bool res = false;
if (d.typeId() >= QMetaType::LastCoreType) {
const void * const from = constData();
if (QMetaType::convert(from, d.typeId(), &res, QMetaType::Bool))
if (QMetaType::convert(constData(), d.typeId(), &res, QMetaType::Bool))
return res;
}
::convert(&d, Bool, &res);
@ -3547,10 +3541,7 @@ bool QVariant::convert(int targetTypeId)
}
bool isOk = false;
if (oldValue.d.typeId() >= QMetaType::LastCoreType || targetTypeId >= QMetaType::LastCoreType) {
const void * const from = oldValue.constData();
isOk = QMetaType::convert(from, oldValue.d.typeId(), data(), targetTypeId);
}
isOk = QMetaType::convert(oldValue.constData(), oldValue.d.typeId(), data(), targetTypeId);
if (!isOk)
isOk = ::convert(&oldValue.d, targetTypeId, data());
@ -3565,11 +3556,8 @@ bool QVariant::convert(int targetTypeId)
*/
bool QVariant::convert(const int type, void *ptr) const
{
if (d.typeId() >= QMetaType::LastCoreType || type >= QMetaType::LastCoreType) {
const void * const from = constData();
if (QMetaType::convert(from, d.typeId(), ptr, type))
if (QMetaType::convert(constData(), d.typeId(), ptr, type))
return true;
}
return ::convert(&d, type, ptr);
}