Merge pull request #1297 from bruno-/xml_node_ancestors

XML::Node#ancestors optimization
sparklemotion · Jan 6, 2016 · 2ccfd2f · 2ccfd2f
2 parents 912dcb4 + 11ac451
commit 2ccfd2f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/lib/nokogiri/xml/node.rb b/lib/nokogiri/xml/node.rb
@@ -546,9 +546,10 @@ def ancestors selector = nil
         return NodeSet.new(document, parents) unless selector
 
         root = parents.last
+        search_results = root.search(selector)
 
         NodeSet.new(document, parents.find_all { |parent|
-          root.search(selector).include?(parent)
+          search_results.include?(parent)
         })
       end