Updated code to support Swift 2.3

Socket.IO-Client-Swift.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
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@@ -166,7 +132,7 @@
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@@ -241,7 +207,7 @@
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@@ -267,7 +233,7 @@
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@@ -500,7 +466,7 @@
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@@ -528,19 +494,29 @@
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@@ -646,26 +622,9 @@
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 				74F124F01BC574CF002966F4 /* SocketBasicPacketTest.swift in Sources */,
-				74171E6A1C10CD240062D398 /* SocketAckManager.swift in Sources */,
-				74171E761C10CD240062D398 /* SocketEngine.swift in Sources */,
-				74171E641C10CD240062D398 /* SocketAckEmitter.swift in Sources */,
-				74171EB81C10CD240062D398 /* SocketParsable.swift in Sources */,
-				74171EAC1C10CD240062D398 /* SocketLogger.swift in Sources */,
 				7472C65C1BCAB53E003CA70D /* SocketNamespacePacketTest.swift in Sources */,
-				74171E9A1C10CD240062D398 /* SocketIOClient.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -747,26 +706,9 @@
 			buildActionMask = 2147483647;
 			files = (
 				57634A231BD9B46D00E19CD7 /* SocketSideEffectTest.swift in Sources */,
-				74171EAA1C10CD240062D398 /* SocketIOClientStatus.swift in Sources */,
-				74171E8C1C10CD240062D398 /* SocketEngineSpec.swift in Sources */,
-				74171ED41C10CD240062D398 /* WebSocket.swift in Sources */,
-				74171EA41C10CD240062D398 /* SocketIOClientOption.swift in Sources */,
-				74171E741C10CD240062D398 /* SocketAnyEvent.swift in Sources */,
-				74171EC81C10CD240062D398 /* SocketTypes.swift in Sources */,
-				74171E921C10CD240062D398 /* SocketEventHandler.swift in Sources */,
-				74171E801C10CD240062D398 /* SocketEngineClient.swift in Sources */,
-				74171E861C10CD240062D398 /* SocketEnginePacketType.swift in Sources */,
-				74171EB61C10CD240062D398 /* SocketPacket.swift in Sources */,
 				57634A2A1BD9B46D00E19CD7 /* SocketEngineTest.swift in Sources */,
-				74171EC21C10CD240062D398 /* SocketStringReader.swift in Sources */,
 				57634A2F1BD9B46D00E19CD7 /* SocketBasicPacketTest.swift in Sources */,
-				74171E6E1C10CD240062D398 /* SocketAckManager.swift in Sources */,
-				74171E7A1C10CD240062D398 /* SocketEngine.swift in Sources */,
-				74171E681C10CD240062D398 /* SocketAckEmitter.swift in Sources */,
-				74171EBC1C10CD240062D398 /* SocketParsable.swift in Sources */,
-				74171EB01C10CD240062D398 /* SocketLogger.swift in Sources */,
 				57634A321BD9B46D00E19CD7 /* SocketNamespacePacketTest.swift in Sources */,
-				74171E9E1C10CD240062D398 /* SocketIOClient.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -795,10 +737,25 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Developer ID Application";
 				ENABLE_BITCODE = YES;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				ONLY_ACTIVE_ARCH = YES;
@@ -813,8 +770,23 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				BITCODE_GENERATION_MODE = bitcode;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
 				CODE_SIGN_IDENTITY = "Developer ID Application";
 				ENABLE_BITCODE = YES;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_NAME = SocketIOClientSwift;
@@ -874,6 +846,7 @@
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
@@ -923,6 +896,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = io.socket.SocketIOClientSwift;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -978,6 +952,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
+				SWIFT_VERSION = 2.3;
 			};
 			name = Debug;
 		};
@@ -1022,6 +997,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
+				SWIFT_VERSION = 2.3;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
@@ -1079,6 +1055,7 @@
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1130,6 +1107,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -1186,6 +1164,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 2.3;
 			};
 			name = Debug;
 		};
@@ -1232,6 +1211,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
+				SWIFT_VERSION = 2.3;
 			};
 			name = Release;
 		};
@@ -1282,10 +1262,10 @@
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
-				PRODUCT_NAME = SocketIO;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VERSIONING_SYSTEM = "apple-generic";
@@ -1334,9 +1314,9 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
-				PRODUCT_NAME = SocketIO;
 				SDKROOT = appletvos;
 				SKIP_INSTALL = YES;
+				SWIFT_VERSION = 2.3;
 				TARGETED_DEVICE_FAMILY = 3;
 				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VALIDATE_PRODUCT = YES;
@@ -1386,13 +1366,14 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "SocketIO-iOSTests/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
+				SWIFT_VERSION = 2.3;
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 			};
 			name = Debug;
 		};
@@ -1431,12 +1412,13 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "SocketIO-iOSTests/Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.4;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				MTL_ENABLE_DEBUG_INFO = NO;
 				PRODUCT_BUNDLE_IDENTIFIER = "io.socket.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = appletvos;
+				SWIFT_VERSION = 2.3;
+				TVOS_DEPLOYMENT_TARGET = 9.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;

Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-Mac.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-iOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Socket.IO-Client-Swift.xcodeproj/xcshareddata/xcschemes/SocketIO-tvOS.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0720"
+   LastUpgradeVersion = "0800"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Source/SocketEngine.swift

@@ -206,8 +206,8 @@ public final class SocketEngine : NSObject, SocketEnginePollable, SocketEngineWe
             return (NSURL(), NSURL())
         }
 
-        let urlPolling = NSURLComponents(string: url.absoluteString)!
+        let urlPolling = NSURLComponents(URL: url, resolvingAgainstBaseURL: true)!
-        let urlWebSocket = NSURLComponents(string: url.absoluteString)!
+        let urlWebSocket = NSURLComponents(URL: url, resolvingAgainstBaseURL: true)!
         var queryString = ""
         
         urlWebSocket.path = socketPath

Source/SocketIOClient.swift

@@ -70,7 +70,7 @@ public final class SocketIOClient : NSObject, SocketEngineClient, SocketParsable
         self.options = options
         self.socketURL = socketURL
         
-        if socketURL.absoluteString.hasPrefix("https://") {
+        if socketURL.absoluteString?.hasPrefix("https://") ?? false {
             self.options.insertIgnore(.Secure(true))
         }
         

Source/WebSocket.swift

@@ -220,7 +220,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
         
         var port = url.port
         if port == nil {
-            if ["wss", "https"].contains(url.scheme) {
+            if let scheme = url.scheme where ["wss", "https"].contains(scheme) {
                 port = 443
             } else {
                 port = 80
@@ -278,7 +278,7 @@ public class WebSocket : NSObject, NSStreamDelegate {
         guard let inStream = inputStream, let outStream = outputStream else { return }
         inStream.delegate = self
         outStream.delegate = self
-        if ["wss", "https"].contains(url.scheme) {
+        if let scheme = url.scheme where ["wss", "https"].contains(scheme) {
             inStream.setProperty(NSStreamSocketSecurityLevelNegotiatedSSL, forKey: NSStreamSocketSecurityLevelKey)
             outStream.setProperty(NSStreamSocketSecurityLevelNegotiatedSSL, forKey: NSStreamSocketSecurityLevelKey)
         } else {
@@ -962,9 +962,11 @@ public class SSLSecurity {
         }
         var policy: SecPolicyRef
         if self.validatedDN {
-            policy = SecPolicyCreateSSL(true, domain)
+			guard let aPolicy = SecPolicyCreateSSL(true, domain) else { return false }
-        } else {
+            policy = aPolicy
-            policy = SecPolicyCreateBasicX509()
+		} else {
+			guard let aPolicy = SecPolicyCreateBasicX509() else { return false }
+            policy = aPolicy
         }
         SecTrustSetPolicies(trust,policy)
         if self.usePublicKeys {
@@ -985,10 +987,9 @@ public class SSLSecurity {
                 collect.append(SecCertificateCreateWithData(nil,cert)!)
             }
             SecTrustSetAnchorCertificates(trust,collect)
-            var result: SecTrustResultType = 0
+			var result = SecTrustResultType.Invalid
             SecTrustEvaluate(trust,&result)
-            let r = Int(result)
+            if result == .Unspecified || result == .Proceed {
-            if r == kSecTrustResultUnspecified || r == kSecTrustResultProceed {
                 var trustedCount = 0
                 for serverCert in serverCerts {
                     for cert in certs {
@@ -1015,8 +1016,9 @@ public class SSLSecurity {
      */
     func extractPublicKey(data: NSData) -> SecKeyRef? {
         guard let cert = SecCertificateCreateWithData(nil, data) else { return nil }
-        
+		guard let policy = SecPolicyCreateBasicX509() else { return nil }
-        return extractPublicKeyFromCert(cert, policy: SecPolicyCreateBasicX509())
+		
+        return extractPublicKeyFromCert(cert, policy: policy)
     }
     
     /**
@@ -1032,7 +1034,7 @@ public class SSLSecurity {
         
         guard let trust = possibleTrust else { return nil }
         
-        var result: SecTrustResultType = 0
+        var result: SecTrustResultType = .Invalid
         SecTrustEvaluate(trust, &result)
         return SecTrustCopyPublicKey(trust)
     }
@@ -1063,7 +1065,7 @@ public class SSLSecurity {
      - returns: the public keys from the certifcate chain for the trust
      */
     func publicKeyChainForTrust(trust: SecTrustRef) -> [SecKeyRef] {
-        let policy = SecPolicyCreateBasicX509()
+		guard let policy = SecPolicyCreateBasicX509() else { return [] }
         let keys = (0..<SecTrustGetCertificateCount(trust)).reduce([SecKeyRef]()) { (keys: [SecKeyRef], index: Int) -> [SecKeyRef] in
             var keys = keys
             let cert = SecTrustGetCertificateAtIndex(trust, index)
@@ -1078,4 +1080,4 @@ public class SSLSecurity {
     }
     
     
-}
+}