Re: [xml] Validating XML with DTD

[Igor Zlatkovic <igor zlatkovic com>]

Senthil S wrote:

> Hi All,
>                   I experienced a problem in validating DTD explained as follows:
> My problem is:
>  I have the code like this:
>
> doc = xmlReadFile("sample.xml", NULL, 0);
> dtd = xmlParseDTD(NULL,"sample.dtd" ); 
> cvp = xmlNewValidCtxt();
> valid=xmlValidateDtd(cvp, doc, dtd);            
>
>                   When the xml file is not matchng with the DTD,  function 'xmlValidateDtd' is returning 
> value 0 and the reason for invalidity is printed in the console.
> My project needs this error message to be returned to a calling function.  Please help me out to resolve the 
> issue.
>
> Thanks,
> Senthil

Ever seen the xmlValidityErrorFunc or xmlValidityWarningFunc? Set the 
cvp->error and/or cvp->warning callbacks before you call xmlValidateDtd.

Ciao,
Igor