Re: [xml] XPath child axis traversal is broken when docb is disabled (libxml2 2.6.27)

["William M. Brack" <wbrack mmm com hk>]

Aleksey Sanin wrote:
> If you compile libxml2 with "--without-docb" option then
> XPath child axis traversal is broken due to the following
> ifdef in the xmlXPathNextDescendantOrSelfElemParent()
> function:
>
>       while (cur != NULL) {
>           switch (cur->type) {
>               case XML_ELEMENT_NODE:
>               /* TODO: OK to have XInclude here? */
>               case XML_XINCLUDE_START:
>               case XML_DOCUMENT_FRAG_NODE:
>                   if (cur != start)
>                       return(cur);
>                   if (cur->children != NULL) {
>                       cur = cur->children;
>                       continue;
>                   }
>                   break;
> #ifdef LIBXML_DOCB_ENABLED
>               /* Not sure if we need those here. */
>               case XML_DOCUMENT_NODE:
>               case XML_DOCB_DOCUMENT_NODE:
> #endif
>               case XML_HTML_DOCUMENT_NODE:
>                   if (cur != start)
>                       return(cur);
>                   return(xmlDocGetRootElement((xmlDocPtr) cur));
>               default:
>                   break;
>           }
>
> It seems that the right thing to do is to simply move the
> "case XML_DOCUMENT_NODE:" out of this particular ifdef but
> I am not familiar enough with DOCB stuff to tell the consequences
> of this.
>
> Best,
> Aleksey

I think this one was already reported:
   http://mail.gnome.org/archives/xml/2006-October/msg00123.html
and fixed in CVS the day after 2.6.27 was released :-).

Bill