refactors: refactor creating packet string, various other refactors

Source/SocketEngine.swift

@@ -153,8 +153,7 @@ public final class SocketEngine : NSObject, SocketEnginePollable, SocketEngineWe
             // binary in base64 string
             let noPrefix = message[message.startIndex.advancedBy(2)..<message.endIndex]
 
-            if let data = NSData(base64EncodedString: noPrefix,
+            if let data = NSData(base64EncodedString: noPrefix, options: .IgnoreUnknownCharacters) {
-                options: .IgnoreUnknownCharacters) {
                 client?.parseEngineBinaryData(data)
             }
             
@@ -535,13 +534,11 @@ public final class SocketEngine : NSObject, SocketEnginePollable, SocketEngineWe
             connected = false
             websocket = false
             
-            let reason = error?.localizedDescription ?? "Socket Disconnected"
+            if let reason = error?.localizedDescription {
-            
-            if error != nil {
                 didError(reason)
+            } else {
+                client?.engineDidClose("Socket Disconnected")
             }
-            
-            client?.engineDidClose(reason)
         } else {
             flushProbeWait()
         }

Source/SocketEnginePollable.swift

@@ -213,9 +213,7 @@ extension SocketEnginePollable {
             fixedMessage = message
         }
         
-        let strMsg = "\(type.rawValue)\(fixedMessage)"
+        postWait.append(String(type.rawValue) + fixedMessage)
-        
-        postWait.append(strMsg)
         
         for data in datas {
             if case let .Right(bin) = createBinaryDataForSend(data) {

Source/SocketIOClient.swift

@@ -197,8 +197,7 @@ public final class SocketIOClient : NSObject, SocketEngineClient, SocketParsable
         handleEvent("disconnect", data: [reason], isInternalMessage: true)
     }
 
-    /// Disconnects the socket. Only reconnect the same socket if you know what you're doing.
+    /// Disconnects the socket.
-    /// Will turn off automatic reconnects.
     public func disconnect() {
         assert(status != .NotConnected, "Tried closing a NotConnected client")
         

Source/SocketPacket.swift

@@ -111,73 +111,31 @@ struct SocketPacket {
         return message + restOfMessage
     }
     
-    private func createAck() -> String {
-        let message: String
-        
-        if type == .Ack {
-            if nsp == "/" {
-                message = "3\(id)"
-            } else {
-                message = "3\(nsp),\(id)"
-            }
-        } else {
-            if nsp == "/" {
-                message = "6\(binary.count)-\(id)"
-            } else {
-                message = "6\(binary.count)-\(nsp),\(id)"
-            }
-        }
-        
-        return completeMessage(message)
-    }
-
-    
-    private func createMessageForEvent() -> String {
-        let message: String
-        
-        if type == .Event {
-            if nsp == "/" {
-                if id == -1 {
-                    message = "2"
-                } else {
-                    message = "2\(id)"
-                }
-            } else {
-                if id == -1 {
-                    message = "2\(nsp),"
-                } else {
-                    message = "2\(nsp),\(id)"
-                }
-            }
-        } else {
-            if nsp == "/" {
-                if id == -1 {
-                    message = "5\(binary.count)-"
-                } else {
-                    message = "5\(binary.count)-\(id)"
-                }
-            } else {
-                if id == -1 {
-                    message = "5\(binary.count)-\(nsp),"
-                } else {
-                    message = "5\(binary.count)-\(nsp),\(id)"
-                }
-            }
-        }
-        
-        return completeMessage(message)
-    }
-    
     private func createPacketString() -> String {
-        let str: String
+        let typeString = String(type.rawValue)
+        let binaryCountString: String
+        let nspString: String
+        let idString: String
         
-        if type == .Event || type == .BinaryEvent {
+        if type == .BinaryEvent || type == .BinaryAck {
-            str = createMessageForEvent()
+            binaryCountString = typeString + String(binary.count) + "-"
         } else {
-            str = createAck()
+            binaryCountString = typeString
         }
         
-        return str
+        if nsp != "/" {
+            nspString = binaryCountString + nsp + ","
+        } else {
+            nspString = binaryCountString
+        }
+        
+        if id != -1 {
+            idString = nspString + String(id)
+        } else {
+            idString = nspString
+        }
+        
+        return completeMessage(idString)
     }
     
     // Called when we have all the binary data for a packet

Source/SocketParsable.swift

@@ -162,9 +162,7 @@ extension SocketParsable {
         }
         
         // Should execute event?
-        guard waitingPackets[waitingPackets.count - 1].addData(data) else {
+        guard waitingPackets[waitingPackets.count - 1].addData(data) else { return }
-            return
-        }
         
         let packet = waitingPackets.removeLast()