1 files changed, 51 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions_xml_value.rb b/activesupport/lib/active_support/core_ext/hash/conversions_xml_value.rb
new file mode 100644
index 0000000000..fac8f90122
--- /dev/null
+++ b/activesupport/lib/active_support/core_ext/hash/conversions_xml_value.rb
@@ -0,0 +1,51 @@
+class Hash
+  module XmlValue
+    def xml_value(key, value, options)
+        case value
+          when ::Hash
+            value.to_xml(options.merge({ :root => key, :skip_instruct => true }))
+          when ::Array
+            value.to_xml(options.merge({ :root => key, :children => key.to_s.singularize, :skip_instruct => true}))
+          when ::Method, ::Proc
+            # If the Method or Proc takes two arguments, then
+            # pass the suggested child element name.  This is
+            # used if the Method or Proc will be operating over
+            # multiple records and needs to create an containing
+            # element that will contain the objects being
+            # serialized.
+            if 1 == value.arity
+              value.call(options.merge({ :root => key, :skip_instruct => true }))
+            else
+              value.call(options.merge({ :root => key, :skip_instruct => true }), key.to_s.singularize)
+            end
+          else
+            if value.respond_to?(:to_xml)
+              value.to_xml(options.merge({ :root => key, :skip_instruct => true }))
+            else
+              type_name = XML_TYPE_NAMES[value.class.name]
+
+              key = rename_key(key.to_s, options)
+
+              attributes = options[:skip_types] || value.nil? || type_name.nil? ? { } : { :type => type_name }
+              if value.nil?
+                attributes[:nil] = true
+              end
+
+              options[:builder].tag!(key,
+                XML_FORMATTING[type_name] ? XML_FORMATTING[type_name].call(value) : value,
+                attributes
+              )
+            end
+          end
+        #yield options[:builder] if block_given?
+    end
+
+    def rename_key(key, options = {})
+      camelize = options.has_key?(:camelize) && options[:camelize]
+      dasherize = !options.has_key?(:dasherize) || options[:dasherize]
+      key = key.camelize if camelize
+      dasherize ? key.dasherize : key
+    end
+  end
+end
+