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Use swift 2 guard statement

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This commit is contained in:
Hank Bao 2015-09-09 22:40:09 +08:00
parent 44508a5193
commit 713ce46e3b
1 changed files with 47 additions and 33 deletions
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80
SocketIOClientSwift/WebSocket.swift
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@ -135,16 +135,20 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
weakSelf.didDisconnect = false
guard let weakSelf = self else {
return
}
weakSelf.didDisconnect = false
})
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0), { [weak self] in
if let weakSelf = self {
weakSelf.isCreated = true
weakSelf.createHTTPRequest()
weakSelf.isCreated = false
guard let weakSelf = self else {
return
}
weakSelf.isCreated = true
weakSelf.createHTTPRequest()
weakSelf.isCreated = false
})
}
@ -375,13 +379,15 @@ public class WebSocket : NSObject, NSStreamDelegate {
if totalSize > 0 {
if validateResponse(buffer, bufferLen: totalSize) {
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
weakSelf.connected = true
if let connectBlock = weakSelf.onConnect {
connectBlock()
}
weakSelf.delegate?.websocketDidConnect(weakSelf)
guard let weakSelf = self else {
return
}
weakSelf.connected = true
if let connectBlock = weakSelf.onConnect {
connectBlock()
}
weakSelf.delegate?.websocketDidConnect(weakSelf)
})
totalSize += 1 //skip the last \n
let restSize = bufferLen - totalSize
@ -520,12 +526,14 @@ public class WebSocket : NSObject, NSStreamDelegate {
}
if receivedOpcode == OpCode.Pong.rawValue {
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
if let pongBlock = weakSelf.onPong {
pongBlock()
}
weakSelf.pongDelegate?.websocketDidReceivePong(weakSelf)
guard let weakSelf = self else {
return
}
if let pongBlock = weakSelf.onPong {
pongBlock()
}
weakSelf.pongDelegate?.websocketDidReceivePong(weakSelf)
})
let step = Int(offset+numericCast(len))
@ -615,22 +623,26 @@ public class WebSocket : NSObject, NSStreamDelegate {
return false
}
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
if let textBlock = weakSelf.onText {
textBlock(str! as String)
}
weakSelf.delegate?.websocketDidReceiveMessage(weakSelf, text: str! as String)
guard let weakSelf = self else {
return
}
if let textBlock = weakSelf.onText {
textBlock(str! as String)
}
weakSelf.delegate?.websocketDidReceiveMessage(weakSelf, text: str! as String)
})
} else if response.code == .BinaryFrame {
let data = response.buffer! //local copy so it is perverse for writing
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
if let dataBlock = weakSelf.onData {
dataBlock(data)
}
weakSelf.delegate?.websocketDidReceiveData(weakSelf, data: data)
guard let weakSelf = self else {
return
}
if let dataBlock = weakSelf.onData {
dataBlock(data)
}
weakSelf.delegate?.websocketDidReceiveData(weakSelf, data: data)
})
}
readStack.removeLast()
@ -734,13 +746,15 @@ public class WebSocket : NSObject, NSStreamDelegate {
private func doDisconnect(error: NSError?) {
if !self.didDisconnect {
dispatch_async(queue, { [weak self] in
if let weakSelf = self {
weakSelf.didDisconnect = true
if let disconnect = weakSelf.onDisconnect {
disconnect(error)
}
weakSelf.delegate?.websocketDidDisconnect(weakSelf, error: error)
guard let weakSelf = self else {
return
}
weakSelf.didDisconnect = true
if let disconnect = weakSelf.onDisconnect {
disconnect(error)
}
weakSelf.delegate?.websocketDidDisconnect(weakSelf, error: error)
})
}
}