Hi Ralf,
On 01/10/2014 10:58 PM, Floca, Ralf Omar wrote:
> ...
> The easiest way to do this would be to reset "array" (removing all descant
> nodes) and then fill "array" with the current items.
> This approach seems not possible because berry::IPreferences::Clear() removes
> only the value pairs and I cannot find another fitting method in the
> interface.
Did you use IPreferences::RemoveNode() ?
>
> The second approach was
> - remove "array" (array->Delete())
> - flush "root" to persist the removal of "array"
> - add "array" again (root->Node("array"))
> - fill "array" with item nodes
> - flush again
>
> When I do so an press "ok" in the preference page I got an unhandled
> exception (access violation).
> [call stack see below]
Is this a typo? There is no IPreferences::Delete() method...
Could you maybe post a short code snippet for the IPreferences code
which triggers the call stack below?
Thanks,
Sascha
>
> It fails because the children of "root" are currently in an invalid state.
>
> Now my questions?
> 1) Is it a bug or unsupported (mis)usage of preferences (then it should be
> documented to avoid deleting and adding the same node path in one run)?
> 2) If it is not the right way to do it? The last option that came into my
> mind is to iterate through the items and delete them "by hand" if the do not
> exist any more.
>
> A comment on that topic would be very nice. Thanks.
>
> Kind regards,
> Ralf
> The call stack is:
>> liborg_blueberry_core_runtime.dll!berry::SmartPointer<berry::Preferences>::Register()
>> Zeile 306 + 0x14 Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::SmartPointer<berry::Preferences>::SmartPointer<berry::Preferences>(const
> berry::SmartPointer<berry::Preferences> & p) Zeile 86 C++
>
> liborg_blueberry_core_runtime.dll!std::_Construct<berry::SmartPointer<berry::Preferences>,berry::SmartPointer<berry::Preferences>
> const & __ptr64>(berry::SmartPointer<berry::Preferences> * _Ptr, const
> berry::SmartPointer<berry::Preferences> & _Val) Zeile 48 + 0x33 Bytes C++
>
> liborg_blueberry_core_runtime.dll!std::allocator<berry::SmartPointer<berry::Preferences>
> >::construct(berry::SmartPointer<berry::Preferences> * _Ptr, const
> berry::SmartPointer<berry::Preferences> & _Val) Zeile 198 C++
>
> liborg_blueberry_core_runtime.dll!std::_Cons_val<std::allocator<berry::SmartPointer<berry::Preferences>
>
> >,berry::SmartPointer<berry::Preferences>,berry::SmartPointer<berry::Preferences>
> const & __ptr64>(std::allocator<berry::SmartPointer<berry::Preferences> > &
> _Alval, berry::SmartPointer<berry::Preferences> * _Pdest, const
> berry::SmartPointer<berry::Preferences> & _Src) Zeile 281 C++
>
> liborg_blueberry_core_runtime.dll!std::_Uninit_copy<std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > >,berry::SmartPointer<berry::Preferences> *
> __ptr64,std::allocator<berry::SmartPointer<berry::Preferences> >
> >(std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _First,
> std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _Last, berry::SmartPointer<berry::Preferences> * _Dest,
> std::allocator<berry::SmartPointer<berry::Preferences> > & _Al,
> std::_Nonscalar_ptr_iterator_tag __formal) Zeile 376 + 0x32 Bytes C++
>
> liborg_blueberry_core_runtime.dll!std::_Uninitialized_copy<std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > >,berry::SmartPointer<berry::Preferences> *
> __ptr64,std::allocator<berry::SmartPointer<berry::Preferences> >
> >(std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _First,
> std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _Last, berry::SmartPointer<berry::Preferences> * _Dest,
> std::allocator<berry::SmartPointer<berry::Preferences> > & _Al) Zeile 414 +
> 0x9f Bytes C++
>
> liborg_blueberry_core_runtime.dll!std::vector<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> >
> >::_Ucopy<std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > >
> >(std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _First,
> std::_Vector_const_iterator<std::_Vector_val<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > > * _Last, berry::SmartPointer<berry::Preferences> * _Ptr) Zeile 1318 +
> 0x88 Bytes C++
>
> liborg_blueberry_core_runtime.dll!std::vector<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> >
> >::vector<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > >(const
> std::vector<berry::SmartPointer<berry::Preferences>,std::allocator<berry::SmartPointer<berry::Preferences>
> > > & _Right) Zeile 539 + 0x7b Bytes C++
> liborg_blueberry_core_runtime.dll!berry::Preferences::GetChildren() Zeile
> 103 + 0x18 Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::XMLPreferencesStorage::ToDOMTree(berry::Preferences
> * prefNode, Poco::XML::Node * parentDOMNode) Zeile 180 + 0x15 Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::XMLPreferencesStorage::ToDOMTree(berry::Preferences
> * prefNode, Poco::XML::Node * parentDOMNode) Zeile 184 + 0x2a Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::XMLPreferencesStorage::ToDOMTree(berry::Preferences
> * prefNode, Poco::XML::Node * parentDOMNode) Zeile 184 + 0x2a Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::XMLPreferencesStorage::ToDOMTree(berry::Preferences
> * prefNode, Poco::XML::Node * parentDOMNode) Zeile 184 + 0x2a Bytes C++
>
> liborg_blueberry_core_runtime.dll!berry::XMLPreferencesStorage::Flush(berry::IPreferences
> * __formal) Zeile 95 C++
> liborg_blueberry_core_runtime.dll!berry::Preferences::Flush() Zeile 146
> C++
>
> liborg_mitk_gui_qt_application.dll!QmitkPreferencesDialog::SavePreferences()
> Zeile 299 + 0x76 Bytes C++
>
> liborg_mitk_gui_qt_application.dll!QmitkPreferencesDialog::OnDialogAccepted()
> Zeile 306 C++
>
>
>
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