From 2e67f1adc8e52121270d1139665a965e3f0792d8 Mon Sep 17 00:00:00 2001
From: David Heinemeier Hansson <david@loudthinking.com>
Date: Fri, 3 Mar 2006 19:34:23 +0000
Subject: RJS now does enumerations, baby! (closes #3876) [Rick Olson]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3754 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 activesupport/lib/active_support/json.rb               | 10 +++++++++-
 activesupport/lib/active_support/json/encoders/core.rb |  4 ++++
 2 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'activesupport/lib/active_support')

diff --git a/activesupport/lib/active_support/json.rb b/activesupport/lib/active_support/json.rb
index 77c7225c66..943adebd35 100644
--- a/activesupport/lib/active_support/json.rb
+++ b/activesupport/lib/active_support/json.rb
@@ -3,7 +3,15 @@ require 'active_support/json/encoders'
 module ActiveSupport
   module JSON #:nodoc:
     class CircularReferenceError < StandardError; end
-      
+    # returns the literal string as its JSON encoded form.  Useful for passing javascript variables into functions.
+    #
+    # page.call 'Element.show', ActiveSupport::JSON::Variable.new("$$(#items li)")
+    class Variable < String
+      def to_json
+        self
+      end
+    end
+
     class << self
       REFERENCE_STACK_VARIABLE = :json_reference_stack
       
diff --git a/activesupport/lib/active_support/json/encoders/core.rb b/activesupport/lib/active_support/json/encoders/core.rb
index 003c938be4..d3193af555 100644
--- a/activesupport/lib/active_support/json/encoders/core.rb
+++ b/activesupport/lib/active_support/json/encoders/core.rb
@@ -56,6 +56,10 @@ module ActiveSupport
           result << '}'
         end
       end
+
+      define_encoder Regexp do |regexp|
+        regexp.inspect
+      end
     end
   end
 end
-- 
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