[Fwd: Re: Well-formed v. invalid errors]

[Stephen Collyer <sc...@netspinner.co.uk>]

I'm forwarding the question below that I posted to the C++
list, as I'm looking for a Perl solution, though Alberto
has given me a C++ solution. I'm trying to figure out if
this can be done in Perl land.

AFAICS, I'd need to override PerlErrorHandler::fatal_error
and get access to the errDomain value. However, there
doesn't seem to be a getter for this provided in XML::Xerces
so I'm beginning to think I'm out of luck, or perhaps
unaware of some other way to do this.

Any suggestions ?

-------- Original Message --------
Subject: Re: Well-formed v. invalid errors
Date: Mon, 12 Mar 2007 22:50:50 +0100
From: Alberto Massari <am...@datadirect.com>
Reply-To: c-users@xerces.apache.org
To: c-users@xerces.apache.org
References: <45...@netspinner.co.uk>

At 20.14 12/03/2007 +0000, Stephen Collyer wrote:
>This may be a trivial question but I can't see an obvious answer
>so feel free to flame if I'm being idiotic ..
>
>Is there a straightforward way of distinguishing a non-well-formed
>XML error from an invalid XML error, when running Xerces in validating
>mode ?

Hi Steve,
that isn't a trivial question....
The only way I can see is that you create a new parser class by
deriving either XercesDOMParser or SAXParser, and override the

  error( const unsigned int                code
       , const XMLCh* const                errDomain
       , const XMLErrorReporter::ErrTypes  errType
       , const XMLCh* const                errorText
       , const XMLCh* const                systemId
       , const XMLCh* const
       , const XMLSSize_t                  lineNum
       , const XMLSSize_t                  colNum)

method. At that point, if errDomain is XMLUni::fgValidityDomain
("http://apache.org/xml/messages/XMLValidity"), it's a validation
error; if it's XMLUni::fgXMLErrDomain
("http://apache.org/xml/messages/XMLErrors") it's a well-formedness error.
Be sure to call the base class method, in order to preserve the
original functionality of the parser.

Hope this helps,
Alberto



-- 
Regards

Steve Collyer
Netspinner Ltd

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