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. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Gareth Reakes, Head of Product Development +44-1865-203192 DecisionSoft Limited http://www.decisionsoft.com XML Development and Services --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
