Separate parser and helpers from Password class for better testability

passKit/Parser/Constants.swift

@@ -0,0 +1,47 @@
+//
+//  Constants.swift
+//  passKit
+//
+//  Created by Danny Moesch on 16.08.18.
+//  Copyright © 2018 Bob Sun. All rights reserved.
+//
+
+public struct Constants {
+
+    public static let OTP_KEYWORDS = [
+        "otp_secret",
+        "otp_type",
+        "otp_algorithm",
+        "otp_period",
+        "otp_digits",
+        "otp_counter",
+        "otpauth",
+    ]
+
+    static let BLANK = " "
+    static let MULTILINE_WITH_LINE_BREAK_INDICATOR = "|"
+    static let MULTILINE_WITH_LINE_BREAK_SEPARATOR = "\n"
+    static let MULTILINE_WITHOUT_LINE_BREAK_INDICATOR = ">"
+    static let MULTILINE_WITHOUT_LINE_BREAK_SEPARATOR = BLANK
+
+    static let OTPAUTH = "otpauth"
+    static let OTPAUTH_URL_START = "\(OTPAUTH)://"
+    static let PASSWORD_KEYWORD = "password"
+    static let USERNAME_KEYWORD = "username"
+    static let LOGIN_KEYWORD = "login"
+    static let URL_KEYWORD = "url"
+    static let UNKNOWN = "unknown"
+
+    public static func isOtpRelated(line: String) -> Bool {
+        let (key, _) = Parser.getKeyValuePair(from: line)
+        return OTP_KEYWORDS.contains(key ?? "")
+    }
+
+    static func unknown(_ number: UInt) -> String {
+        return "\(UNKNOWN) \(number)"
+    }
+
+    static func getSeparator(breakingLines: Bool) -> String {
+        return breakingLines ? MULTILINE_WITH_LINE_BREAK_SEPARATOR : MULTILINE_WITHOUT_LINE_BREAK_SEPARATOR
+    }
+}