Finding bounds of nested clipping paths...

Question

This topic has been touched on before, muppet & sonic have pointed me in the right direction, but I'm stuck right now....
Seeing as how "saveMultipleArtboards = false" is broken in CS4, and scripting any kind of epsSave results in the artboard size being the bounding box, I am trying to see if I can find out if the "visible to the eye" bounds of artwork exceed the artboard size.
I can easily find non-clipped objects hanging outside the artboard by comparing the document's visible bounds to the artboard size.
Likewise the "visible to the eye" bounds of clipped objects :
var docRef = app.activeDocument;
docRef.rulerOrigin = [0,0];
////Get size of artboard
var myDocsizeArray = [0,0,docRef.width,docRef.height]
////Check for items on page
if(docRef.pageItems.length != 0){
/////Find out if top item is clipping mask
if(docRef.pageItems[0].typename == "GroupItem"){
if(docRef.pageItems[0].pathItems[0].clipping == true){
////Compare its bounds to doc bounds
var myClipArray = docRef.pageItems[0].pathItems[0].visibleBounds
if((myClipArray[1] >  myDocsizeArray[3]) || (myClipArray[2] >  myDocsizeArray[2]) || (myClipArray[0] < 0) || (myClipArray[3] < 0)){
alert("Outside of artboard")
However, this doesn't work if clipping paths are part of a nested groups. Is there a way to see if a clipping path's parent group is within bounds, or parent's parent group etc. is within bounds. I need to find the topmost clipping path that trumps all the others in any nested group.
Is that what recursive functions are for? ,,,,,,,,,,,
Something that can keep looking in a loop within itself?  Very instrospective!
thx

Answer 1

Does this help? I use these to position and find bounds based upon what is visible.
function getRealVisibleBounds(grp) {
     var outerBounds = [];
     for(var i = grp.pageItems.length - 1; i >= 0;i--)  {
          var bounds = [];
          if(grp.pageItems[i].typename == 'GroupItem') {
               bounds =  getRealVisibleBounds(grp.pageItems[i]);
          else if((grp.pageItems[i].typename == 'PathItem' || grp.pageItems[i].typename == 'CompoundPathItem')
               && (grp.pageItems[i].clipping || !grp.clipped)) {
               bounds = grp.pageItems[i].visibleBounds;
          if (bounds.length > 0) {
               outerBounds = maxBounds(outerBounds,bounds);
     return (outerBounds.length == 0) ? null : outerBounds;
function maxBounds(ary1,ary2) {
     var res = [];
     if(ary1.length == 0)
          res = ary2;
     else if(ary2.length == 0)
          res = ary1;
     else {
          res[0] = Math.min(ary1[0],ary2[0]);
          res[1] = Math.max(ary1[1],ary2[1]);
          res[2] = Math.max(ary1[2],ary2[2]);
          res[3] = Math.min(ary1[3],ary2[3]);
     return res;
function positionVisible(grp,x,y)
     var bounds = getRealVisibleBounds(grp);
     var newX = x + (grp.left - bounds[0]);
     var newY = y + (grp.top - bounds[1]);
     grp.position = [newX,newY];