From 433985bfee240834520de92e66ba28df95105489 Mon Sep 17 00:00:00 2001
From: Sergio Rubio <rubiojr@frameos.org>
Date: Wed, 23 Jan 2013 20:53:29 +0100
Subject: [PATCH] [openstack|storage] Added OpenStack.escape utility method

Required by OpenStack Storage service.
---
 lib/fog/openstack.rb | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/fog/openstack.rb b/lib/fog/openstack.rb
index 8dfcac803..d37d2b849 100644
--- a/lib/fog/openstack.rb
+++ b/lib/fog/openstack.rb
@@ -200,6 +200,13 @@ module Fog
 
       Fog::JSON.decode(response.body)
     end
+    
+    # CGI.escape, but without special treatment on spaces
+    def self.escape(str,extra_exclude_chars = '')
+      str.gsub(/([^a-zA-Z0-9_.-#{extra_exclude_chars}]+)/) do
+        '%' + $1.unpack('H2' * $1.bytesize).join('%').upcase
+      end
+    end
 
   end
 end