Thanks! I did search bugzilla, but obviously not well enough! :( Thanks
for the help, and the hint!
Marc Robertson
Staff Consultant
AWD Development
DST Systems, Inc.
Gareth Reakes
<[EMAIL PROTECTED] To: [EMAIL PROTECTED]
oft.com> cc:
Subject: RE: Problem with user data
handler, I think
05/28/2003 10:52
AM
Please respond to
xerces-c-dev
on my todo list :)
Gareth
On Wed, 28 May 2003, Nathan Codding wrote:
> Hi.
>
> It seems likely that you're running into the bug where UserDataHandlers
are not called on non-leaf nodes in the tree:
http://nagoya.apache.org/bugzilla/show_bug.cgi?id=16817
>
> There's a patch attached to that bug (hint, hint). :)
>
> -Nathan Codding
> PureEdge Solutions, Inc
>
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, May 28, 2003 8:45 AM
> To: [EMAIL PROTECTED]
> Subject: Problem with user data handler, I think
>
> Hi All!
> I'm having a problem with my DOMUserDataHandler derived class. At times
> when a DOMElement gets deleted, the handle method of my class doesn't get
> called. At least thats what seems to be happening! First, a bit of
> background. We've decided to wrap Xerces in a couple of classes of our
own.
> I've got an XMLDocument class( wraps DOMDocument ) and an Element class(
> wraps DOMElement ). The XMLDocument object owns the wrapped DOMDocument.
> When the object is created by parsing an XML file, I have my XMLDocument
> object use the parser's adoptDocument method to get ownership. That was
> done so that the XMLDocument would always be responsible for releasing
the
> document. All of the constructors for Element get a DOMElement( one way
or
> another! ) and call its setUserData method with the Element's address,
and
> my handler object. When the handle method gets invoked with the
operation
> NODE_DELETED, it deletes my wrapper object.. At least thats whats
supposed
> to happen. What I'm seeing is that the handle method is not getting
called
> when I expect it to. I create one of my XMLDocument objects, and get a
> DOMDocument by using XercesDOMParser to parse an XML file. After
> performing various tests, I delete my XMLDocument object. Its destructor
> calls the release method of the DOMDocument object it owns. My
> understanding was that would release( which I interpreted as delete ) all
> the nodes owned by the document. But the handle method of my data
handler
> object is not being called.
>
> I'm assuming that I've just misunderstood something. Just about every
> problem I've had with Xerces has been my not understanding how it was
> intended to work. So, I'm hoping one of you can clear up my confusion!
>
> I'm running version 2.2.0 on Windows, compiled with VC++ 6.0
>
> Marc Robertson
> Staff Consultant
> AWD Development
> DST Technologies, Inc.
>
>
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--
Gareth Reakes, Head of Product Development +44-1865-203192
DecisionSoft Limited http://www.decisionsoft.com
XML Development and Services
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