'cumber sketch

cumber.xqy

xquery version "1.0-ml";

declare namespace p = "http://ns.webservices.bbc.co.uk/2006/02/pips";
declare namespace n = "http://www.bbc.co.uk/nitro/";
declare namespace nm = "http://www.bbc.co.uk/nitro/meta";
import module namespace mem = "http://xqdev.com/in-mem-update" at "/MarkLogic/appservices/utils/in-mem-update.xqy";

declare function local:tokenize($item) as xs:string* {
  typeswitch($item)
    case text() 
      return tokenize( fn:normalize-space( fn:lower-case($item) ), ' ')
    case element()
      return upper-case( xs:string(node-name($item)) )
    default return 'argh'
};

declare function local:xml-to-function-spec($root as element()) {
  let $nodes := $root/child::node()
  let $count := fn:count($nodes[. instance of element()])
  let $function-name := fn:string-join(
    for $m in ($root, $nodes) return local:tokenize($m),
    '-'
    )
  return ($function-name, $count)
};

declare function local:GIVEN-we-have-created-OBJECTS($root as element(), $objects as element()) as element() {

(: handwave :)

  let $brand := $objects//brand
  let $updated-root := mem:node-insert-child($brand, attribute effective-pid { 'bPID1-abcde' }) 

  return ($updated-root)
};

let $x := <given> We have created <objects><brand pid="bPID1" /><episode pid="ePID1" /></objects> </given>

let $spec := local:xml-to-function-spec($x)
return $spec

NB: on line 18, child:: may not be needed, but node() function is!