[xquery-talk] objects in xquery?

[bryan rasmussen]

Hmm, the calling application is Exist however, and the file is itself
an XQL file that is interpreted by Exist.


Wouldn't it be more like inside of my query I have:

declare function my:xmlobject() as element(){
return
<defaultparams>
<param name="path">demos</param>
<param name="page">page1.xml</param>
</defaultparams>

};


And then I need to call that function from my parameter getting
function, check if the parameter exists in the query string, if not
get it from my:xmlobject?

Does this seem reasonable, it seems reasonable to me when i enunciate it.

Cheers,
Bryan Rasmussen
On 6/11/07, Michael Kay <mike at saxonica.com> wrote:
>
> In the calling application, construct an XML document that holds the
> parameter values. Pass this XML document to the query as an external
> variable, and access the values of individual parameters using path
> expressions.
>
> Michael Kay
> http://www.saxonica.com/
>
>
> > -----Original Message-----
> > From: talk-bounces at x-query.com
> > [mailto:talk-bounces at x-query.com] On Behalf Of bryan rasmussen
> > Sent: 11 June 2007 08:13
> > To: talk at x-query.com
> > Subject: [xquery-talk] objects in xquery?
> >
> > Hi,
> >
> > I have a situation where I want to get a certain number of
> > parameters, and if the parameters do not exist or are empty
> > to use a default string value instead, something like:
> >
> >
> >
> >  declare function test:mappath() as xs:string{
> >
> >  if(request:get-parameter("path", ()) !='')  then
> >    request:get-parameter("path", ())
> >  else
> >    "demos"
> >
> >
> >  };
> >
> > as a general rule though in other server side languages what
> > I like to do when doing this kind of thing is to compose an
> > object that holds the values, some example pseudocode:
> >
> > x as object();
> > x{
> > path="demos";
> > page="page1.xml";
> >
> >
> >
> > }
> >
> > then a function (have used the same structure as the xquery
> > function above but obviously syntactically is not xquery)
> >
> > getparam(param){
> >  if(request:get-parameter(param, ()) !='')  then
> >    request:get-parameter(param, ())
> >  else
> >    x[param]
> >
> >
> >  }
> > then I can just do
> > path = getparam("path")
> > and so forth.
> >
> >
> > So I would like to know if this kind of thing is possible in Xquery.
> > Perhaps what to do is to build a function that returns XML
> > and then use xpath to get at the value in that function?
> > If possible it would nice if someone had an example of the
> > way to do the thing above?
> >
> > Thanks,
> > Bryan Rasmussen
> > _______________________________________________
> > talk at x-query.com
> > http://x-query.com/mailman/listinfo/talk
>
>