--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/enigma/rotor_factory.cpp	Fri Jun 22 20:15:11 2012 -0500
@@ -0,0 +1,37 @@
+// Copyright (C) 2012 by Brian Neal.
+// This file is part of Cpp-Enigma, the Enigma Machine simulation.
+// Cpp-Enigma is released under the MIT License (see License.txt).
+//
+// rotor_factory.cpp - Implementation file for the rotor & reflector factory functions.
+
+#include <string>
+#include "rotor_factory.h"
+#include "rotor_data.h"
+#include "rotor.h"
+
+////////////////////////////////////////////////////////////////////////////////
+
+std::unique_ptr<enigma::rotor> enigma::create_rotor(const char* name, int ring_setting)
+{
+   auto iter = simulated_rotors.find(name);
+   if (iter == simulated_rotors.end())
+   {
+      throw rotor_error("unknown rotor type: " + std::string(name));
+   }
+
+   const rotor_data& rd(iter->second);
+   return std::unique_ptr<rotor>{new rotor{name, rd.wiring, ring_setting, rd.stepping}};
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+std::unique_ptr<enigma::rotor> enigma::create_reflector(const char* name)
+{
+   auto iter = simulated_reflectors.find(name);
+   if (iter == simulated_reflectors.end())
+   {
+      throw rotor_error("unknown reflector type: " + std::string(name));
+   }
+
+   return std::unique_ptr<rotor>{new rotor{name, iter->second}};
+}