Re: [xslt] XML_DOCUMENT_NODE and boolean testing

[Phil Shafer <phil juniper net>]

Daniel Veillard writes:
>  maybe it's a bug, yes.

This seems to fix it:

Index: libxml2/xpath.c
===================================================================
RCS file: /cvs/junos-2001/src/contrib/libxml2/xpath.c,v
retrieving revision 1.8
diff -u -p -r1.8 xpath.c
--- libxml2/xpath.c     3 Apr 2008 21:26:20 -0000       1.8
+++ libxml2/xpath.c     11 Jul 2008 13:33:51 -0000
@@ -5940,6 +5940,16 @@ int
 xmlXPathCastNodeSetToBoolean (xmlNodeSetPtr ns) {
     if ((ns == NULL) || (ns->nodeNr == 0))
        return(0);
+    /*
+     * If the only contents of the node-set are an
+     * XML_DOCUMENT_NODE, then we have a fake document
+     * returned by a template.  If it's empty, the
+     * boolean value should be false.
+     */
+    if ((ns->nodeNr == 1)
+       && (ns->nodeTab[0]->type == XML_DOCUMENT_NODE)
+       && (ns->nodeTab[0]->children == NULL))
+       return(0);
     return(1);
 }

I'll open a bug report with this patch.

Thanks,
 Phil