XInclude exceptions - how to mirror Xerces J functionality into Xerces C++? 2007-02-04 - By Michael Glavassevich
Hi Simon,
Simon Rowland <srowlandx11@(protected)> wrote on 02/04/2007 11:47:50 AM:
> Thanks Michael, I really appreciate the reply. In the xerces c case, the
> standard DOMParser to which I am adding xi as a feature can either
> report errors through the clients errorHandler, which takes a
> DOMException, or throw XMLException, which the client is expected to
catch.
>
> I'm currently favouring adding an XMLException, since extending
> DOMException seems to go against its pretty tight spec:
>
http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-17189187
> Several other modules inside the DOMParser e.g. platform utils etc
> extend the XMLException too, so it seems inkeeping.
I don't know enough about Xerces-C++ to say whether that's the right
approach. If you were doing this in Java for JAXP (DocumentBuilder) or DOM
Level 3 (LSParser) it would be pretty clear what to do.
DocumentBuilder [1]: Call fatalError() on the registered ErrorHandler and
then throw a SAXParseException.
LSParser [2]: Call handleError() on the registered DOMErrorHandler and
then throw an LSException.
> I've asked on c-dev too.
>
> Thanks again for the help, Simon.
>
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[1]
http://xerces.apache.org/xerces2-j/javadocs/api/javax/xml/parsers
/DocumentBuilder.html
[2]
http://xerces.apache.org/xerces2-j/javadocs/api/org/w3c/dom/ls/LSParser.html
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@(protected)
E-mail: mrglavas@(protected)
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