コード例 #1
0
 private static boolean hasParentInSet(IJavaScriptElement elem, Set set) {
   IJavaScriptElement parent = elem.getParent();
   while (parent != null) {
     if (set.contains(parent)) return true;
     parent = parent.getParent();
   }
   return false;
 }
 /**
  * Returns a collection of all the parents of this element up to (but not including) the root of
  * this tree in bottom-up order. If the given element is not a descendant of the root of this
  * tree, <code>null</code> is returned.
  */
 private ArrayList getAncestors(IJavaScriptElement element) {
   IJavaScriptElement parent = element.getParent();
   if (parent == null) {
     return null;
   }
   ArrayList parents = new ArrayList();
   while (!parent.equals(this.changedElement)) {
     parents.add(parent);
     parent = parent.getParent();
     if (parent == null) {
       return null;
     }
   }
   parents.trimToSize();
   return parents;
 }
 /** Returns whether the two java elements are equals and have the same parent. */
 protected boolean equalsAndSameParent(IJavaScriptElement e1, IJavaScriptElement e2) {
   IJavaScriptElement parent1;
   return e1.equals(e2) && ((parent1 = e1.getParent()) != null) && parent1.equals(e2.getParent());
 }