From 7f26415d3c0e4101ce1569a499470e8a32dbfede Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Tue, 20 Sep 2005 07:54:55 +0000
Subject: Optimized tag_options to not sort keys, which is no longer necessary
 when assert_dom_equal and friend is available #1995 [skae]. Added
 assert_dom_equal and assert_dom_not_equal to compare tags generated by the
 helpers in an order-indifferent manner #1995 [skae]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2271 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 actionpack/lib/action_view/helpers/tag_helper.rb | 19 +++++++++----------
 1 file changed, 9 insertions(+), 10 deletions(-)

(limited to 'actionpack/lib/action_view/helpers/tag_helper.rb')

diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb
index 40fd72d23f..8b2d2c3a5a 100644
--- a/actionpack/lib/action_view/helpers/tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/tag_helper.rb
@@ -10,27 +10,26 @@ module ActionView
       # Examples:
       # * <tt>tag("br") => <br /></tt>
       # * <tt>tag("input", { "type" => "text"}) => <input type="text" /></tt>
-      def tag(name, options = {}, open = false)
-        "<#{name}#{tag_options(options)}" + (open ? ">" : " />")
+      def tag(name, options = nil, open = false)
+        "<#{name}#{tag_options(options.stringify_keys) if options}" + (open ? ">" : " />")
       end
 
       # Examples:
       # * <tt>content_tag("p", "Hello world!") => <p>Hello world!</p></tt>
       # * <tt>content_tag("div", content_tag("p", "Hello world!"), "class" => "strong") => </tt>
       #   <tt><div class="strong"><p>Hello world!</p></div></tt>
-      def content_tag(name, content, options = {})
-        "<#{name}#{tag_options(options)}>#{content}</#{name}>"
+      def content_tag(name, content, options = nil)
+        "<#{name}#{tag_options(options.stringify_keys) if options}>#{content}</#{name}>"
       end
 
       private
         def tag_options(options)
-          cleaned_options = options.reject { |key, value| value.nil? }
-          unless cleaned_options.empty?
-            " " + cleaned_options.symbolize_keys.map { |key, value|
-              %(#{key}="#{html_escape(value.to_s)}")
-            }.sort.join(" ")
+          if options
+            options.inject("") do |html_str, (key, value)|
+              value.nil? ? html_str : html_str << %( #{key}="#{html_escape(value)}")
+            end
           end
         end
     end
   end
-end
\ No newline at end of file
+end
-- 
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