Re: [xslt] using key() function with key name in a variable

[Daniel Veillard <veillard redhat com>]

On Tue, Nov 12, 2002 at 06:16:12PM +0000, Jre@scanlaser.nl wrote:
> gives the error
>         runtime error: file gbs_log_show_all.xsl line 187 element variable
>         key() : invalid arg expecting a string
> but
>         key( string($k), ... )
> works ok.

  Okay,

> I've tried the same thing in saxon, mozilla and msxml and they all seem to 
> work when $k contains the RTF (without needing the string() function). 
> Looking at the xslt rec, it doesn't seem to say much about the first 
> parameter to key() other than that it's a string and a QName.

  Hum, 

> Didn't find anything in the archives and I don't remember seeing anything 
> like this on xslt-list, so I don't know whether to report this as a bug or 
> not, but it seems to act differently to several other xslt processors.

  Seems very easy to fix to follow the common behaviour, so it's probably not
worth starting a standard reading contest over xsl-list :-)
  Patch enclosed, untested since you didn't provided a full example.

Daniel

-- 
Daniel Veillard      | Red Hat Network https://rhn.redhat.com/
veillard@redhat.com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/
Index: libxslt/functions.c
===================================================================
RCS file: /cvs/gnome/libxslt/libxslt/functions.c,v
retrieving revision 1.42
diff -c -r1.42 functions.c
*** libxslt/functions.c	15 Oct 2002 16:06:47 -0000	1.42
--- libxslt/functions.c	12 Nov 2002 18:30:00 -0000
***************
*** 270,275 ****
--- 270,276 ----
  	return;
      }
  
+     xmlXPathStringFunction(ctxt, 1);
      obj2 = valuePop(ctxt);
      if ((obj2 == NULL) ||
  	(ctxt->value == NULL) || (ctxt->value->type != XPATH_STRING)) {