Re: [Xsltforms-support] serialize() problem in xsltforms-501 when arg is non-existent node.

[Alain C. <ala...@ag...>]

Leigh,

I have checked the XPath functions and added the corresponding test when 
required.

This should be OK in Rev. 502.

Thanks!

-Alain

Le 30/04/2011 01:40, Leigh L Klotz Jr a écrit :
> If you call serialize(x) and x does not exist, you get a fatal popup
> error from the browser.
> Form authors can't protect against it because XPath will still evaluate
> the arguments even if you try to check for non-existent nodes.
>
> I had a patch for this which I included accidentally in another patch.
> http://sourceforge.net/mailarchive/forum.php?thread_name=4D7A99D5.2000606%40xerox.com&forum_name=xsltforms-support
> <http://sourceforge.net/mailarchive/forum.php?thread_name=4D7A99D5.2000606%40xerox.com&forum_name=xsltforms-support>
>
> Here is the patch by itself this time:
>
> --- xsltforms.js.orig    2011-04-29 16:37:59.492079329 -0700
> +++ xsltforms.js.new    2011-04-29 16:33:29.339003561 -0700
> @@ -9569,6 +9569,7 @@
>                if (arguments.length == 0) {
>                    throw XPathCoreFunctionsExceptions.serializeNoContext;
>                }
> +                        if (!nodeSet[0]) return "";
>                return Core.saveXML(nodeSet[0]);
>            } ),
>
>
> It's quite possible transform() has the same problem but I have not
> tested it.
>
> Leigh.
>
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