Rename Enigma.swift -> Machine.swift

Enigma/Machine.swift

@@ -0,0 +1,49 @@
+//
+//  Machine.swift
+//  Enigma
+//
+//  Created by Eryn Wells on 7/18/15.
+//  Copyright © 2015 Eryn Wells. All rights reserved.
+//
+
+import Foundation
+
+
+class Machine {
+    let rotors: [Rotor]
+    let reflector: Reflector
+    let plugboard: Plugboard
+
+    init(rotors: [Rotor], reflector: Reflector, plugboard: Plugboard) {
+        self.rotors = rotors
+        self.reflector = reflector
+        self.plugboard = plugboard
+    }
+
+    func encode(c: Character) throws -> Character {
+        var output = c
+        output = try plugboard.encode(output)
+        for rotor in rotors {
+            output = try rotor.encode(output)
+        }
+        output = try reflector.encode(output)
+        for rotor in rotors.reverse() {
+            output = try rotor.encode(output)
+        }
+        output = try plugboard.encode(output)
+        advanceRotors()
+        return output
+    }
+
+    func encode(string: String) throws -> String {
+        var output = ""
+        for character in string.characters {
+            output += String(try encode(character))
+        }
+        return output
+    }
+
+    private func advanceRotors() {
+
+    }
+}