Re: [xml] Get sub-document from xmlDocPtr

[Andrew Hartley <andrew hartley bcs org uk>]

Daniel Veillard wrote:
> On Thu, Jul 17, 2008 at 06:13:53AM -0700, Andrew Hartley wrote:
> > Thanks for the reply Daniel.  However, I only wanted to explain that I
> > had
> > solved the problem.  Here is a little more of my code just in case others
> > have the same problem:
>
>   Honneslty i don't see the point:
>
> > [code]
> > xmlDocPtr pXmlDoc = xmlParseFile( szFilepath );
>
>   here you have the document
>
> >    xmlXPathObjectPtr pXPathObj = xmlXPathEvalExpression( (const
> > xmlChar*)"//ct1:Ct1", pXPathCtx );
>
>   you're searching on that document
>
> [...]
> >          // sub-document containing only the CT1 nodeset:
> >          xmlDocPtr pXmlSubDoc = pNodeSet->nodeTab[0]->doc;
>
>   that's an element from pXmlDoc, so pXmlSubDoc == pXmlDoc should be
> true.
>
> >          // ... and save:
> >          xmlSaveCtxtPtr pSaveCtx = xmlSaveToFilename(
> > sFilenameCopyTo.c_str(), NULL, 0 );
> >          long ret = xmlSaveDoc( pSaveCtx, pXmlSubDoc );
> >          ret = xmlSaveClose( pSaveCtx );
>
>   and you're saving the full document. No i don't understand how that code
> does something meaningful...
>
> I must be missing something.
>
> Daniel
>
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The <CT1> nodeset is embedded within a soap envelope XML node.  What I am
doing is extracting the <CT1> nodeset and saving it out as a seperate XML
document.  It is working as I intended.

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