Supprot css class selection

servo · bors-servo · Jun 12, 2013 · May 30, 2013 · May 31, 2013 · May 31, 2013
commit 97b5f5cdd60fefdb6fb5cc3f30298db31b914054
diff --git a/src/components/main/css/select_handler.rs b/src/components/main/css/select_handler.rs
@@ -86,6 +86,16 @@ impl SelectHandler<AbstractNode<LayoutView>> for NodeSelectHandler {
         }
     }
 
+    fn with_node_classes<R>(&self, node: &AbstractNode<LayoutView>, f: &fn(Option<&str>) -> R) -> R {
+        if !node.is_element() {
+            fail!(~"attempting to style non-element node");
+        }
+        do node.with_imm_element() |element_n| {
+            f(element_n.get_attr("class"))
+        }
+    }
+
+
     fn with_node_id<R>(&self, node: &AbstractNode<LayoutView>, f: &fn(Option<&str>) -> R) -> R {
         if !node.is_element() {
             fail!(~"attempting to style non-element node");