From 0298e7068c79a46aef6dc8256ccc25348d2bdf1d Mon Sep 17 00:00:00 2001
From: Yorick Peterse <yorickpeterse@gmail.com>
Date: Thu, 7 May 2015 01:04:03 +0200
Subject: [PATCH] Don't use Namespace#to_s when matching namespaces

This is a waste of time as it allocates a new String on every call.
---
 lib/oga/xpath/evaluator.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/oga/xpath/evaluator.rb b/lib/oga/xpath/evaluator.rb
index 8892318..266f883 100644
--- a/lib/oga/xpath/evaluator.rb
+++ b/lib/oga/xpath/evaluator.rb
@@ -1702,7 +1702,9 @@ module Oga
       def namespace_matches?(xml_node, ns)
         return false unless xml_node.respond_to?(:namespace)
 
-        return ns == STAR ? true : xml_node.namespace.to_s == ns
+        return true if ns == STAR
+
+        return xml_node.namespace && xml_node.namespace.name == ns
       end
 
       ##