Separate parser and helpers from Password class for better testability

passKit/Helpers/PasswordHelpers.swift

@@ -0,0 +1,30 @@
+//
+//  PasswordHelpers.swift
+//  passKit
+//
+//  Created by Danny Moesch on 17.08.18.
+//  Copyright © 2018 Bob Sun. All rights reserved.
+//
+
+import OneTimePassword
+
+public enum OtpType {
+    case totp, hotp, none
+    
+    init(token: Token?) {
+        switch token?.generator.factor {
+        case .some(.counter):
+            self = .hotp
+        case .some(.timer):
+            self = .totp
+        default:
+            self = .none
+        }
+    }
+}
+
+enum PasswordChange: Int {
+    case path = 0x01
+    case content = 0x02
+    case none = 0x00
+}

passKit/Helpers/StringExtension.swift

@@ -16,3 +16,9 @@ public extension String {
         return addingPercentEncoding(withAllowedCharacters: allowed)
     }
 }
+
+extension String {
+    static func | (left: String, right: String) -> String {
+        return right.isEmpty ? left : left + "\n" + right
+    }
+}