add subscript

.gitignore

@@ -0,0 +1,33 @@
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control
+#
+# Pods/
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build

Demo/Demo/AppDelegate.swift

@@ -74,7 +74,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
         printTime {
             for i in 0 ... 2000 {
                 //            print(" p = \(i)")
-                Tr.set(object: "213", forKey: "\(i)")
+                Tr!.set(object: "213", forKey: "\(i)")
             }
         }
 

Track/Cache.swift

@@ -10,9 +10,9 @@ import Foundation
 
 public typealias CacheAsyncCompletion = (cache: Cache?, key: String?, object: AnyObject?) -> Void
 
-let TrackCachePrefix: String = "com.trackcache."
+public let TrackCachePrefix: String = "com.trackcache."
 
-let TrackCacheDefauleName: String = "defauleTrackCache"
+public let TrackCacheDefauleName: String = "defauleTrackCache"
 
 public class Cache {
 
@@ -28,13 +28,16 @@ public class Cache {
     //  MARK: Public
     public static let shareInstance = Cache(name: TrackCacheDefauleName)
 
-    public init(name: String!, path: String) {
+    public init?(name: String!, path: String) {
+        if name.characters.count == 0 || path.characters.count == 0 {
+            return nil
+        }
+        self.diskCache = DiskCache(name: name, path: path)!
         self.name = name
         self.memoryCache = MemoryCache.shareInstance
-        self.diskCache = DiskCache(name: name, path: path)
     }
 
-    public convenience init(name: String){
+    public convenience init?(name: String){
         self.init(name: name, path: NSSearchPathForDirectoriesInDomains(.CachesDirectory, .UserDomainMask, true)[0])
     }
 
@@ -120,7 +123,24 @@ public class Cache {
         diskCache.removeAllObject()
     }
 
-    typealias OperationCompeltion = () -> Void
+    public subscript(key: String) -> NSCoding? {
+        get {
+            if let returnValue = object(forKey: key) as? NSCoding {
+                return returnValue
+            }
+            return nil
+        }
+        set {
+            if let newValue = newValue {
+                set(object: newValue, forKey: key)
+            }
+            else {
+                removeObject(forKey: key)
+            }
+        }
+    }
+
+    private typealias OperationCompeltion = () -> Void
 
     //  MARK:
     //  MARK: Pirvate

Track/DiskCache.swift

@@ -24,6 +24,10 @@ import Foundation
 
 public typealias DiskCacheAsyncCompletion = (cache: DiskCache?, key: String?, object: AnyObject?) -> Void
 
+ private func _generateFileURL(key: String, path: NSURL) -> NSURL {
+    return path.URLByAppendingPathComponent(key)
+}
+
 public class DiskCache {
 
     public let name: String
@@ -38,7 +42,10 @@ public class DiskCache {
     //  MARK: Public
     public static let shareInstance = DiskCache(name: TrackCacheDefauleName)
 
-    public init(name: String!, path: String) {
+    public init?(name: String!, path: String) {
+        if name.characters.count == 0 || path.characters.count == 0 {
+            return nil
+        }
         self.name = name
         self.cacheURL = NSURL(string: path)!.URLByAppendingPathComponent(TrackCachePrefix + name, isDirectory: false)
 
@@ -49,7 +56,7 @@ public class DiskCache {
         }
     }
 
-    public convenience init(name: String) {
+    public convenience init?(name: String) {
         self.init(name: name, path: NSSearchPathForDirectoriesInDomains(.CachesDirectory, .UserDomainMask, true)[0])
     }
 
@@ -126,6 +133,23 @@ public class DiskCache {
         }
     }
 
+    public subscript(key: String) -> NSCoding? {
+        get {
+            if let returnValue = object(forKey: key) as? NSCoding {
+                return returnValue
+            }
+            return nil
+        }
+        set {
+            if let newValue = newValue {
+                set(object: newValue, forKey: key)
+            }
+            else {
+                removeObject(forKey: key)
+            }
+        }
+    }
+
     //  MARK:
     //  MARK: Private
     private func _createCacheDir() -> Bool {
@@ -139,10 +163,6 @@ public class DiskCache {
         }
         return true
     }
-
-    private func _generateFileURL(key: String, path: NSURL) -> NSURL {
-        return path.URLByAppendingPathComponent(key)
-    }
 }
 
 //  MARK: ThreadSafeProtocol

Track/MemoryCache.swift

@@ -37,7 +37,7 @@ public class MemoryCache {
     //  MARK: Public
     public static let shareInstance = MemoryCache()
 
-    init () {
+    public init () {
 
     }
 
@@ -100,6 +100,19 @@ public class MemoryCache {
             self.cache.removeAllObjects()
         }
     }
+
+    public subscript(key: String) -> AnyObject? {
+        get {
+            return object(forKey: key)
+        }
+        set {
+            if let newValue = newValue {
+                set(object: newValue, forKey: key)
+            } else {
+                removeObject(forKey: key)
+            }
+        }
+    }
 }
 
 //  MARK: ThreadSafeProtocol