refactor. Remove var from methods and pattern matching
This commit is contained in:
Erik
parent
fff2f29c55
commit
d94a1901ca
@ -147,13 +147,12 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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}
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}
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private func checkIfMessageIsBase64Binary(var message: String) -> Bool {
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private func checkIfMessageIsBase64Binary(message: String) -> Bool {
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if message.hasPrefix("b4") {
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// binary in base64 string
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message.removeRange(Range(start: message.startIndex,
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end: message.startIndex.advancedBy(2)))
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let noPrefix = message[message.startIndex.advancedBy(2)..<message.endIndex]
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if let data = NSData(base64EncodedString: message,
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if let data = NSData(base64EncodedString: noPrefix,
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options: .IgnoreUnknownCharacters) {
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client?.parseBinaryData(data)
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}
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@ -282,17 +281,15 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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private func flushProbeWait() {
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DefaultSocketLogger.Logger.log("Flushing probe wait", type: logType)
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dispatch_async(emitQueue) {[weak self] in
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if let this = self {
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for waiter in this.probeWait {
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this.write(waiter.msg, withType: waiter.type, withData: waiter.data)
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}
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dispatch_async(emitQueue) {
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for waiter in self.probeWait {
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self.write(waiter.msg, withType: waiter.type, withData: waiter.data)
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}
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this.probeWait.removeAll(keepCapacity: false)
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self.probeWait.removeAll(keepCapacity: false)
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if this.postWait.count != 0 {
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this.flushWaitingForPostToWebSocket()
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}
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if self.postWait.count != 0 {
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self.flushWaitingForPostToWebSocket()
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}
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}
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}
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@ -420,10 +417,11 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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client?.parseBinaryData(data.subdataWithRange(NSMakeRange(1, data.length - 1)))
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}
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private func parseEngineMessage(var message: String, fromPolling: Bool) {
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private func parseEngineMessage(message: String, fromPolling: Bool) {
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DefaultSocketLogger.Logger.log("Got message: %@", type: logType, args: message)
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let reader = SocketStringReader(message: message)
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let fixedString: String
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guard let type = SocketEnginePacketType(rawValue: Int(reader.currentCharacter) ?? -1) else {
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if !checkIfMessageIsBase64Binary(message) {
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@ -434,22 +432,22 @@ public final class SocketEngine: NSObject, SocketEngineSpec, WebSocketDelegate {
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}
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if fromPolling && type != .Noop {
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fixDoubleUTF8(&message)
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fixedString = fixDoubleUTF8(message)
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} else {
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fixedString = message
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}
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switch type {
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case .Message:
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message.removeAtIndex(message.startIndex)
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handleMessage(message)
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handleMessage(fixedString[fixedString.startIndex.successor()..<fixedString.endIndex])
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case .Noop:
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handleNOOP()
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case .Pong:
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handlePong(message)
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handlePong(fixedString)
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case .Open:
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message.removeAtIndex(message.startIndex)
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handleOpen(message)
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handleOpen(fixedString[fixedString.startIndex.successor()..<fixedString.endIndex])
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case .Close:
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handleClose(message)
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handleClose(fixedString)
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default:
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DefaultSocketLogger.Logger.log("Got unknown packet type", type: logType)
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}
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@ -567,7 +565,6 @@ extension SocketEngine {
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let req = NSMutableURLRequest(URL: NSURL(string: urlPolling + "&sid=\(sid)&b64=1")!)
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addHeaders(req)
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doLongPoll(req)
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}
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@ -600,9 +597,9 @@ extension SocketEngine {
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DefaultSocketLogger.Logger.log("Got polling response", type: this.logType)
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if let str = NSString(data: data!, encoding: NSUTF8StringEncoding) as? String {
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dispatch_async(this.parseQueue) {[weak this] in
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this?.parsePollingMessage(str)
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if let str = String(data: data!, encoding: NSUTF8StringEncoding) {
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dispatch_async(this.parseQueue) {
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this.parsePollingMessage(str)
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}
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}
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@ -666,10 +663,10 @@ extension SocketEngine {
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this.waitingForPost = false
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dispatch_async(this.emitQueue) {[weak this] in
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if !(this?.fastUpgrade ?? true) {
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this?.flushWaitingForPost()
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this?.doPoll()
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dispatch_async(this.emitQueue) {
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if !this.fastUpgrade {
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this.flushWaitingForPost()
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this.doPoll()
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}
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}
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}
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@ -712,12 +709,11 @@ extension SocketEngine {
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/// Send polling message.
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/// Only call on emitQueue
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private func sendPollMessage(var msg: String, withType type: SocketEnginePacketType,
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private func sendPollMessage(message: String, withType type: SocketEnginePacketType,
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datas:[NSData]? = nil) {
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DefaultSocketLogger.Logger.log("Sending poll: %@ as type: %@", type: logType, args: msg, type.rawValue)
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doubleEncodeUTF8(&msg)
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let strMsg = "\(type.rawValue)\(msg)"
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DefaultSocketLogger.Logger.log("Sending poll: %@ as type: %@", type: logType, args: message, type.rawValue)
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let fixedMessage = doubleEncodeUTF8(message)
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let strMsg = "\(type.rawValue)\(fixedMessage)"
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postWait.append(strMsg)
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@ -749,7 +745,7 @@ extension SocketEngine {
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ws?.writeString("\(type.rawValue)\(str)")
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for data in datas ?? [] {
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if case let Either.Left(bin) = createBinaryDataForSend(data) {
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if case let .Left(bin) = createBinaryDataForSend(data) {
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ws?.writeData(bin)
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}
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}
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@ -25,16 +25,20 @@
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import Foundation
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func fixDoubleUTF8(inout name: String) {
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if let utf8 = name.dataUsingEncoding(NSISOLatin1StringEncoding),
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func fixDoubleUTF8(string: String) -> String {
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if let utf8 = string.dataUsingEncoding(NSISOLatin1StringEncoding),
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latin1 = NSString(data: utf8, encoding: NSUTF8StringEncoding) {
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name = latin1 as String
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return latin1 as String
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} else {
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return string
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}
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}
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func doubleEncodeUTF8(inout str: String) {
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if let latin1 = str.dataUsingEncoding(NSUTF8StringEncoding),
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func doubleEncodeUTF8(string: String) -> String {
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if let latin1 = string.dataUsingEncoding(NSUTF8StringEncoding),
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utf8 = NSString(data: latin1, encoding: NSISOLatin1StringEncoding) {
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str = utf8 as String
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return utf8 as String
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} else {
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return string
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}
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}
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@ -95,7 +95,9 @@ struct SocketPacket {
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}
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}
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private func completeMessage(var message: String, ack: Bool) -> String {
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private func completeMessage(message: String, ack: Bool) -> String {
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var restOfMessage = ""
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if data.count == 0 {
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return message + "]"
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}
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@ -107,28 +109,25 @@ struct SocketPacket {
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options: NSJSONWritingOptions(rawValue: 0))
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let jsonString = NSString(data: jsonSend, encoding: NSUTF8StringEncoding)
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message += jsonString! as String + ","
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restOfMessage += jsonString! as String + ","
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} catch {
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DefaultSocketLogger.Logger.error("Error creating JSON object in SocketPacket.completeMessage",
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type: SocketPacket.logType)
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}
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} else if var str = arg as? String {
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str = str["\n"] ~= "\\\\n"
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str = str["\r"] ~= "\\\\r"
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message += "\"\(str)\","
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} else if let str = arg as? String {
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restOfMessage += "\"\((str["\n"] ~= "\\\\n")["\r"] ~= "\\\\r")\","
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} else if arg is NSNull {
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message += "null,"
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restOfMessage += "null,"
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} else {
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message += "\(arg),"
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restOfMessage += "\(arg),"
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}
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}
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if message != "" {
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message.removeAtIndex(message.endIndex.predecessor())
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if restOfMessage != "" {
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restOfMessage.removeAtIndex(restOfMessage.endIndex.predecessor())
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}
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return message + "]"
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return message + restOfMessage + "]"
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}
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private func createAck() -> String {
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@ -191,7 +190,7 @@ struct SocketPacket {
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private func createPacketString() -> String {
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let str: String
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if type == PacketType.Event || type == PacketType.BinaryEvent {
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if type == .Event || type == .BinaryEvent {
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str = createMessageForEvent()
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} else {
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str = createAck()
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@ -226,14 +225,8 @@ struct SocketPacket {
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}
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return newDict
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} else if let arr = data as? NSArray {
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let newArr = NSMutableArray(array: arr)
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for i in 0..<arr.count {
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newArr[i] = _fillInPlaceholders(arr[i])
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}
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return newArr
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} else if let arr = data as? [AnyObject] {
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return arr.map({_fillInPlaceholders($0)})
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} else {
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return data
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}
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@ -268,17 +261,13 @@ extension SocketPacket {
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private extension SocketPacket {
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static func shred(data: AnyObject, inout binary: [NSData]) -> AnyObject {
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if let bin = data as? NSData {
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let placeholder = ["_placeholder" :true, "num": binary.count]
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let placeholder = ["_placeholder": true, "num": binary.count]
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binary.append(bin)
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return placeholder
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} else if var arr = data as? [AnyObject] {
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for i in 0..<arr.count {
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arr[i] = shred(arr[i], binary: &binary)
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}
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return arr
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} else if let arr = data as? [AnyObject] {
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return arr.map({shred($0, binary: &binary)})
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} else if let dict = data as? NSDictionary {
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let mutDict = NSMutableDictionary(dictionary: dict)
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@ -292,13 +281,9 @@ private extension SocketPacket {
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}
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}
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static func deconstructData(var data: [AnyObject]) -> ([AnyObject], [NSData]) {
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static func deconstructData(data: [AnyObject]) -> ([AnyObject], [NSData]) {
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var binary = [NSData]()
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for i in 0..<data.count {
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data[i] = shred(data[i], binary: &binary)
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}
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return (data, binary)
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return (data.map({shred($0, binary: &binary)}), binary)
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}
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}
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