Re: [Exist-development] A flaw with the at in a flwor expression.

[Loren C. <lor...@gm...>]

I found my problem.

Sent from my iPad

> On Mar 23, 2014, at 4:32 PM, Loren Cahlander <lor...@gm...> wrote:
> 
> 
> Hello folks.  I found what appears to be a bug in the at expression in a flwor statement. (current codebase)  I have the following in a function module:
> 
> declare function xs2svg:recurse($node as node()?, $model as map()) as item()* {
>     if ($node) 
>     then
>         let $children := $node/node()
>         let $count := map:entry('count', count($children))
>         let $parent-y := map:entry('parent-y', $model('y-position'))
>         let $parent-x := map:entry('parent-x', $model('x-position'))
>         let $x-position := map:entry('x-position', xs:integer($model('x-position')) + xs:integer($model('width')) + 45)
>         let $id := $model('id')
>         return
>             for $cnode at $position in $children
>                 let $new-id := xs:string($id) || '_' || xs:string($position)
>                 let $new-map := map:new((
>                                     map:entry('id', $new-id ),
>                                     map:entry('y-position', xs:integer($model('y-position')) + (($position - 1) * (46 + 25))), 
>                                     $x-position,
>                                     $parent-x, 
>                                     $parent-y, 
>                                     $count,
>                                     map:entry('position', $position)
>                                     ))
>                 order by $position
>                 return xs2svg:process-node($cnode, $new-map) 
>     else ()
> };
> 
> I get the following values 10, 12, 14, 15, ... instead of 1, 2, 3, 4, ...
> 
> When I run the following in eXide, it does give the proper values:
> 
> xquery version "3.0";
> 
>     let $doc := doc('http://www.docbook.org/xml/5.0/xsd/docbook.xsd')//xs:schema
>     let $children := $doc/node()
>     let $results := for $cnode at $position in $children
>                     return <result name='{$cnode/@name}' position='{$position}'></result>
>                     
> return <results>{$results}</results>
> 
> 
> I am attaching the XAR.  Run the code in modules/runsvg.xq
> 
> 
> I am in the process of translating the code for http://xsdvi.sourceforge.net/ipo.svg from java to an XQuery function module.
> 
> <xsd-lib-0.1.xar>