<cfloop from="1" to="#ArrayLen(XMLContent.GSP.RES.R)#" index="idx">
<cfif structKeyExists(XMLContent.GSP.RES.R[idx], "T")>
On Thu, May 1, 2008 at 2:44 PM, Dave Watts <[EMAIL PROTECTED]> wrote:
> > howdy all, so I've got a little bug I'm having a tough time
> > with. I'm new to manipulating XML in CF. It's pretty easy
> > however, but I've run into a problem I'm not sure how to solve.
> >
> > The Google box returns an XML structure that I've processed.
> > But from time to time, I find that the 'T' element (Title) is
> > not returned. And it errors out.
> >
> > I tried:
> > <cfloop from="1" to="#ArrayLen(XMLContent.GSP.RES.R)#"
> > index="idx"> <cfif isDefined("XMLContent.GSP.RES.R[idx].T")>
> >
> > But I get error:
> > Element T is undefined in a Java object of type class
> > coldfusion.xml.XmlNodeMap referenced as
> >
> > If I do:
> > <cfif isDefined("XMLContent.GSP.RES.R")>
> >
> > It works fine.... but that's not what I need.
> >
> > Thoughts? Should I place the current index node into a var
> > and then test?
>
> First, I'm very surprised that you're seeing R elements that don't have a
> child T. Can you confirm that these are actually what you're getting back
> from your GSA or Mini?
>
> Second, you can't test for the existence of array elements with IsDefined.
> But you can store the array element within a variable, then test for the
> existence of members of that variable:
>
> <cfloop ...>
> <cfset thisR = XMLContent.GSP.RES.R[idx]>
> <cfif IsDefined("thisR.T")>
> </cfloop>
>
> Don't forget, you can also use XPath expressions from within CF. You might
> find that an easy alternative to accessing elements directly, although to
> be
> honest I haven't tried that myself from within CF while using Google
> search
> result XML.
>
> Dave Watts, CTO, Fig Leaf Software
> http://www.figleaf.com/
>
> Fig Leaf Training: Adobe/Google/Paperthin Certified Partners
> http://training.figleaf.com/
>
> WebManiacs 2008: the ultimate conference for CF/Flex/AIR developers!
> http://www.webmaniacsconference.com/
>
>
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