1 files changed, 62 insertions, 0 deletions
diff --git a/ext/json/lib/json/generic_object.rb b/ext/json/lib/json/generic_object.rb
new file mode 100644
index 0000000000..3a14f0ea7d
--- /dev/null
+++ b/ext/json/lib/json/generic_object.rb
@@ -0,0 +1,62 @@
+require 'ostruct'
+
+module JSON
+  class GenericObject < OpenStruct
+    class << self
+      alias [] new
+
+      def json_creatable?
+        @json_creatable
+      end
+
+      attr_writer :json_creatable
+
+      def json_create(data)
+        data = data.dup
+        data.delete JSON.create_id
+        self[data]
+      end
+
+      def from_hash(object)
+        case
+        when object.respond_to?(:to_hash)
+          result = new
+          object.to_hash.each do |key, value|
+            result[key] = from_hash(value)
+          end
+          result
+        when object.respond_to?(:to_ary)
+          object.to_ary.map { |a| from_hash(a) }
+        else
+          object
+        end
+      end
+
+      def load(source, proc = nil, opts = {})
+        result = ::JSON.load(source, proc, opts.merge(:object_class => self))
+        result.nil? ? new : result
+      end
+
+      def dump(obj, *args)
+        ::JSON.dump(obj, *args)
+      end
+    end
+    self.json_creatable = false
+
+    def to_hash
+      table
+    end
+
+    def |(other)
+      self.class[other.to_hash.merge(to_hash)]
+    end
+
+    def as_json(*)
+      { JSON.create_id => self.class.name }.merge to_hash
+    end
+
+    def to_json(*a)
+      as_json.to_json(*a)
+    end
+  end
+end