Merge branch 'swift3'

Author: yangjehpark

Swift3/Log.swift

@@ -0,0 +1,71 @@
+//
+//  Log.swift
+//  Swift 3.1
+//
+//  Created by yangjehpark on 2017. 1. 18..
+//  Copyright © 2017 yangjehpark. All rights reserved.
+//
+
+import Foundation
+
+/// Basic log
+func log(_ message: String, file: String = #file, line: Int = #line, function: String = #function) {
+    if (Log.logEnabled()) {
+        print("\(Log.time())✅(\(Log.fileName(file)):\(line))📝\(message)")
+    }
+}
+
+/// Log class
+struct Log {
+    
+    /// show or ignore
+    fileprivate static func logEnabled() -> Bool {
+        #if !RELEASE
+            return true
+        #else
+            return false
+        #endif
+    }
+    
+    /// debug
+    public static func d(_ message: String, file: String = #file, line: Int = #line, function: String = #function) {
+        if (Log.logEnabled()) {
+            print("\(Log.time())🔬(\(Log.fileName(file)):\(line))📝\(message)")
+        }
+    }
+    
+    /// info
+    public static func i(_ message: String, file: String = #file, line: Int = #line, function: String = #function) {
+        if (Log.logEnabled()) {
+            print("\(Log.time())ℹ️(\(Log.fileName(file)):\(line))📝\(message)")
+        }
+    }
+    
+    /// warning
+    public static func w(_ message: String, file: String = #file, line: Int = #line, function: String = #function) {
+        if (Log.logEnabled()) {
+            print("\(Log.time())⚠️(\(Log.fileName(file)):\(line))📝\(message)")
+        }
+    }
+    
+    /// error
+    public static func e(_ message: String, file: String = #file, line: Int = #line, function: String = #function) {
+        if (Log.logEnabled()) {
+            print("\(Log.time())⛔️(\(Log.fileName(file)):\(line))📝\(message)")
+        }
+    }
+    
+    /// Time stamp for Log
+    fileprivate static func time() -> String {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "HH:mm:ss:SSSS"
+        return "🕒"+dateFormatter.string(from: Date())
+    }
+    
+    /// Simplified file name
+    fileprivate static func fileName(_ file: String) -> String {
+        return (file as NSString).lastPathComponent.replacingOccurrences(of: ".swift", with: "")
+    }
+    
+    // More emoticons list is here 👉 http://www.grumdrig.com/emoji-list/
+}