[Swift] Update to Swift 5.0 (#145)

* [Swift] Update to Swift 5.0

* [Swift] Update README

* [CI] Update travis to Xcode 10.2

.swift-version

@@ -1 +1 @@
-4.0
+5.0

.travis.yml

@@ -1,4 +1,4 @@
-osx_image: xcode10.1
+osx_image: xcode10.2
 language: objective-c
 before_install:
   - set -o pipefail

Down-Example/Down-Example.xcodeproj/project.pbxproj

@@ -244,6 +244,7 @@
 					14090A482185411800503C06 = {
 						CreatedOnToolsVersion = 10.0;
 						DevelopmentTeam = NWN7H36NTR;
+						LastSwiftMigration = 1020;
 						ProvisioningStyle = Automatic;
 						SystemCapabilities = {
 							com.apple.Sandbox = {
@@ -253,7 +254,7 @@
 					};
 					8A07D7CE1F085EC6004D7141 = {
 						CreatedOnToolsVersion = 8.3.3;
-						LastSwiftMigration = 0900;
+						LastSwiftMigration = 1020;
 					};
 				};
 			};
@@ -407,7 +408,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.glazeddonut.macOS-Demo";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -432,7 +433,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.glazeddonut.macOS-Demo";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
-				SWIFT_VERSION = 4.2;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -567,8 +568,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.glazeddonut.Down-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -588,8 +588,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "com.glazeddonut.Down-Example";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};

Down.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |spec|
   spec.name         = "Down"
   spec.summary      = "Blazing fast Markdown rendering in Swift, built upon cmark."
-  spec.version      = "0.8.0"
+  spec.version      = "0.8.1"
   spec.homepage     = "https://github.com/iwasrobbed/Down"
   spec.license      = { :type => "MIT", :file => "LICENSE" }
   spec.authors      = { "Rob Phillips" => "[email protected]" }
@@ -20,5 +20,5 @@ Pod::Spec.new do |spec|
   spec.compiler_flags = '-Wno-shorten-64-to-32'
   spec.ios.resource = 'Resources/DownView.bundle'
   spec.osx.resource = 'Resources/DownView.bundle'
-  spec.swift_version = "4.0"
+  spec.swift_version = "5.0"
 end

Down.xcodeproj/project.pbxproj

@@ -735,8 +735,7 @@
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "${SRCROOT}/Source/cmark";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -757,8 +756,7 @@
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
 				SWIFT_INCLUDE_PATHS = "${SRCROOT}/Source/cmark";
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};
@@ -768,8 +766,7 @@
 			buildSettings = {
 				INFOPLIST_FILE = "Resources/DownTests-Info.plist";
 				PRODUCT_BUNDLE_IDENTIFIER = com.glazeddonut.DownTests;
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Debug;
 		};
@@ -779,8 +776,7 @@
 			buildSettings = {
 				INFOPLIST_FILE = "Resources/DownTests-Info.plist";
 				PRODUCT_BUNDLE_IDENTIFIER = com.glazeddonut.DownTests;
-				SWIFT_SWIFT3_OBJC_INFERENCE = Off;
-				SWIFT_VERSION = 4.0;
+				SWIFT_VERSION = 5.0;
 			};
 			name = Release;
 		};

README.md

@@ -2,7 +2,7 @@
 [![Build Status](https://travis-ci.org/iwasrobbed/Down.svg?branch=master)](https://travis-ci.org/iwasrobbed/Down)
 [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/iwasrobbed/Down/blob/master/LICENSE)
 [![CocoaPods](https://img.shields.io/cocoapods/v/Down.svg?maxAge=10800)]()
-[![Swift 4](https://img.shields.io/badge/language-Swift-blue.svg)](https://swift.org)
+[![Swift 5](https://img.shields.io/badge/language-Swift-blue.svg)](https://swift.org)
 [![macOS](https://img.shields.io/badge/OS-macOS-orange.svg)](https://developer.apple.com/macos/)
 [![iOS](https://img.shields.io/badge/OS-iOS-orange.svg)](https://developer.apple.com/ios/)
 [![tvOS](https://img.shields.io/badge/OS-tvOS-orange.svg)](https://developer.apple.com/tvos/)
@@ -25,7 +25,7 @@ Is your app using it? [Let us know!](mailto:[email protected])
 
 ### Installation
 
-Note: Swift 4 support is now on the `master` branch and any tag >= 0.4.x (Swift 3 is 0.3.x)
+Note: Swift 5 support is now on the `master` branch and any tag >= 0.8.1 (Swift 4 is >= 0.4.x, Swift 3 is 0.3.x)
 
 Quickly install using [CocoaPods](https://cocoapods.org):
 

Source/AST/Stylers/Styler.swift

@@ -36,5 +36,5 @@ public protocol Styler {
     func style(link str: NSMutableAttributedString, title: String?, url: String?)
     func style(image str: NSMutableAttributedString, title: String?, url: String?)
 
-    var listPrefixAttributes: [NSAttributedStringKey: Any] { get }
+    var listPrefixAttributes: [NSAttributedString.Key: Any] { get }
 }

Tests/VisitorTests.swift

@@ -101,7 +101,7 @@ class VisitorTests: XCTestCase {
 }
 
 private class EmptyStyler: Styler {
-    var listPrefixAttributes: [NSAttributedStringKey : Any] = [:]
+    var listPrefixAttributes: [NSAttributedString.Key : Any] = [:]
     func style(document str: NSMutableAttributedString) {}
     func style(blockQuote str: NSMutableAttributedString) {}
     func style(list str: NSMutableAttributedString) {}