[xquery-talk] Simple (I thought) Xquery giving run-time error.

[Michael Kay]

On 13/07/2012 17:35, Ihe Onwuka wrote:
> didn't want to tamper with the definition of $models as it is used
> elsewhere (you are seeing a cut down version of the code), but having
> removed a /* from its definition, that hasn't worked either (I get the
> same result reported earlier).
Well, there's another mistake then. Removing the /* worked for me.

Michael Kay
Saxonica
>
> On Fri, Jul 13, 2012 at 4:18 PM, Michael Kay <mike at saxonica.com> wrote:
>> Your problem is that the initialization of $models goes down two levels
>> below the document node, so it is bound to a sequence of Model elements, so
>> when you do $models/* you are selecting the children of the Model elements,
>> but there are no child elements to select. Remove a /* either from the
>> definition of $models or from the expression where it is used.
>>
>> Michael Kay
>> Saxonica
>>
>>
>> On 13/07/2012 15:41, Ihe Onwuka wrote:
>>> xquery version "1.0";
>>>
>>>
>>> declare namespace b2b ="http://www.b2b.net/plants";
>>> declare namespace xf="http://www.w3.org/2002/xforms";
>>> declare namespace html="http://www.w3.org/1999/xhtml";
>>> declare namespace ev="http://www.w3.org/2001/xml-events";
>>>
>>> declare variable $configDir as xs:string :="config";
>>>
>>> declare variable $models as element()*
>>> :=doc(concat($configDir,"/modelNames.xml"))/*/*;
>>>
>>> declare function local:bindModel($x,$y,$z) {$x};
>>>
>>> declare function local:capitalise($str)
>>> {
>>>       concat(upper-case(substring($str,1,1)),substring($str,2))
>>> };
>>>
>>> declare function local:defineModelRoot($model as element())
>>> {
>>>      element {concat('b2b:',local:capitalise($model/text()))}
>>>               {element xf:bind {attribute repeat
>>> {local:getBindingFileName($model)}}}
>>> };
>>>
>>> declare function local:getBindingFileName($model as element()) as
>>> xs:string
>>> {
>>>      concat($model/@singular,'Bindings.xml')
>>> };
>>>       <switch xmlns="http://www.w3.org/2002/xforms">
>>>         {$models/*/<case
>>>
>>> id='{text()}Case'>{local:bindModel(local:defineModelRoot(.),"",xs:QName('group'))}</case>}
>>>       </switch>
>>
>>
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