[ http://nagoya.apache.org/jira/browse/XERCESC-805?page=history ]

Alberto Massari updated XERCESC-805:
------------------------------------

    Priority: Major

> There should be a way to release child nodes, once we done with it.(Patch Available)
> ------------------------------------------------------------------------------------
>
>          Key: XERCESC-805
>          URL: http://nagoya.apache.org/jira/browse/XERCESC-805
>      Project: Xerces-C++
>         Type: Bug
>   Components: DOM
>     Versions: 2.1.0
>  Environment: Operating System: MacOS X
> Platform: All
>     Reporter: pranav
>     Assignee: Xerces-C Developers Mailing List
>  Attachments: DOMNode.txt, DOMWriterImpl.txt
>
> We have classes derived from DOMNode. At any given point of time when we are 
> having a DOMNode* , say nodePtr, with us we are not sure whether it points to 
> a xerces node. We can't delete or release a xerces node unless its parent is 
> released first.
> So for xerces the rule is that one has to release the document in the end and 
> then only all the child nodes are released/deleted. So as soon as you are done 
> with that node you must delete it. 
> This cannot be done with xerces node.So the solution opted is that an empty 
> function dispose() added to interface DOMNode which has an empty mplementation 
> in xerces. Now whenever we use a DOMNode* and we are done with it we can call 
> dispose over it. If node belongs to xerces nothing happens whereas if its 
> ours, it gets deleted. That's the basic idea.
> Regarding the patch :
> DOMNode.hpp contains empty function dispose().
> DOMWriterImpl.cpp contains class DOMWriterImpl which implements the interface 
> DOMWriter. So at places in DOMWriterImpl wherever we are done with DOMNode*, 
> we call dispose over that. This is done so that when we use DOMWriter to act 
> on DOM node, there are no memory leaks.

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