*
* @param fullFunctionName
* @return
*/
protected String genFunction(String fullFunctionName) {
TLDCMDocumentManager docMgr = TaglibController.getTLDCMDocumentManager(fDocument);
int colonIndex = fullFunctionName.indexOf(':');
String prefix = fullFunctionName.substring(0, colonIndex);
String functionName = fullFunctionName.substring(colonIndex + 1);
if (docMgr == null)
return null;
Iterator taglibs = docMgr.getCMDocumentTrackers(fCurrentNode.getStartOffset()).iterator();
while (taglibs.hasNext()) {
TaglibTracker tracker = (TaglibTracker)taglibs.next();
if(tracker.getPrefix().equals(prefix)) {
CMDocumentImpl doc = (CMDocumentImpl)tracker.getDocument();