1 files changed, 28 insertions, 0 deletions
diff --git a/ext/json/lib/json/add/complex.rb b/ext/json/lib/json/add/complex.rb
new file mode 100644
index 0000000000..3d653bb50d
--- /dev/null
+++ b/ext/json/lib/json/add/complex.rb
@@ -0,0 +1,28 @@
+unless defined?(::JSON::JSON_LOADED) and ::JSON::JSON_LOADED
+  require 'json'
+end
+defined?(::Complex) or require 'complex'
+
+class Complex
+
+  # Deserializes JSON string by converting Real value <tt>r</tt>, imaginary
+  # value <tt>i</tt>, to a Complex object.
+  def self.json_create(object)
+    Complex(object['r'], object['i'])
+  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,
+      'r'            => real,
+      'i'            => imag,
+    }
+  end
+
+  # Stores class name (Complex) along with real value <tt>r</tt> and imaginary value <tt>i</tt> as JSON string
+  def to_json(*)
+    as_json.to_json
+  end
+end