1 files changed, 29 insertions, 0 deletions
diff --git a/ext/json/lib/json/add/range.rb b/ext/json/lib/json/add/range.rb
new file mode 100644
index 0000000000..e61e553cdb
--- /dev/null
+++ b/ext/json/lib/json/add/range.rb
@@ -0,0 +1,29 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+
+# Range serialization/deserialization
+class Range
+
+  # Deserializes JSON string by constructing new Range object with arguments
+  # <tt>a</tt> serialized by <tt>to_json</tt>.
+  def self.json_create(object)
+    new(*object['a'])
+  end
+
+  # Returns a hash, that will be turned into a JSON object and represent this
+  # object.
+  def as_json(*)
+    {
+      JSON.create_id  => self.class.name,
+      'a'             => [ first, last, exclude_end? ]
+    }
+  end
+
+  # Stores class name (Range) with JSON array of arguments <tt>a</tt> which
+  # include <tt>first</tt> (integer), <tt>last</tt> (integer), and
+  # <tt>exclude_end?</tt> (boolean) as JSON string.
+  def to_json(*args)
+    as_json.to_json(*args)
+  end
+end