add gesture recognizer

IBDecodable · Jan 23, 2018 · af171b2 · af171b2
1 parent 2779db4
commit af171b2
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Showing 3 changed files with 63 additions and 18 deletions.
diff --git a/Sources/IBLinterCore/InterfaceBuilderNode.swift b/Sources/IBLinterCore/InterfaceBuilderNode.swift
@@ -55,6 +55,7 @@ public extension InterfaceBuilderNode {
         public let colorMatched: Bool?
         public let device: Device?
         public let views: [View]?
+        public let gestureRecognizers: [GestureRecognizer]?
         public let placeholders: [Placeholder]?
 
         static func decode(_ xml: XMLIndexerProtocol) throws -> InterfaceBuilderNode.XibDocument {
@@ -70,6 +71,7 @@ public extension InterfaceBuilderNode {
                 colorMatched:          xml.attributeValue(of: "colorMatched"),
                 device:                xml.byKey("device").flatMap(decodeValue),
                 views:                 xml.byKey("objects")?.childrenNode.flatMap(decodeValue),
+                gestureRecognizers:    xml.byKey("objects")?.childrenNode.flatMap(decodeValue),
                 placeholders:          xml.byKey("objects")?.byKey("placeholder")?.allElements.flatMap(decodeValue)
             )
         }
@@ -92,11 +94,13 @@ public extension InterfaceBuilderNode {
     public struct Scene: XMLDecodable {
         public let id: String
         public let viewController: ViewController?
+        public let gestureRecognizers: [GestureRecognizer]?
 
         static func decode(_ xml: XMLIndexerProtocol) throws -> InterfaceBuilderNode.Scene {
             return Scene.init(
-                id:             try xml.attributeValue(of: "sceneID"),
-                viewController: xml.byKey("objects")?.childrenNode.first.flatMap(decodeValue)
+                id:                 try xml.attributeValue(of: "sceneID"),
+                viewController:     xml.byKey("objects")?.childrenNode.flatMap(decodeValue).first,
+                gestureRecognizers: xml.byKey("objects")?.childrenNode.flatMap(decodeValue)
             )
         }
     }
@@ -143,6 +147,28 @@ public extension InterfaceBuilderNode {
         }
     }
 
+    public struct GestureRecognizer: XMLDecodable {
+
+        static let classNames: [String] = [
+            "tapGestureRecognizer", "pinchGestureRecognizer",
+            "rotationGestureRecognizer", "swipeGestureRecognizer",
+            "panGestureRecognizer", "screenEdgePanGestureRecognizer",
+            "pongPressGestureRecognizer", "gestureRecognizer",
+            ]
+
+        public let connections: [InterfaceBuilderNode.View.Connection]?
+
+        static func decode(_ xml: XMLIndexerProtocol) throws -> InterfaceBuilderNode.GestureRecognizer {
+            guard let elementName = xml.elementNode?.name, classNames.contains(elementName) else {
+                throw Error.elementNotFound
+            }
+
+            return GestureRecognizer.init(
+                connections: xml.byKey("connections")?.childrenNode.flatMap(decodeValue)
+            )
+        }
+    }
+
     public enum Error: Swift.Error, CustomStringConvertible {
         case elementNotFound
         case unsupportedViewClass(String)

diff --git a/Sources/IBLinterCore/InterfaceBuilderView.swift b/Sources/IBLinterCore/InterfaceBuilderView.swift
@@ -110,6 +110,7 @@ extension InterfaceBuilderNode {
             case "view":                     return try .view(decodeValue(xml))
             case "placeholder":              throw Error.notViewElement
             default:
+                if GestureRecognizer.classNames.contains(elementName) { throw Error.notViewElement }
                 let error = Error.unsupportedViewClass(elementName)
                 print(error.description)
                 return try .unknownView(decodeValue(xml))

diff --git a/Sources/IBLinterKit/Rules/OutletConnectionRule.swift b/Sources/IBLinterKit/Rules/OutletConnectionRule.swift
@@ -19,17 +19,25 @@ extension Rules {
             public private(set) var idToClassName: [String: String] = [:]
             public private(set) var classNameToConnection: [String: [InterfaceBuilderNode.View.Connection]] = [:]
 
-            public init(view: ViewProtocol) {
-                mappingIdToClassName(for: view)
-                mappingClassNameToConnection(for: view)
+            public init(xibDocument: InterfaceBuilderNode.XibDocument) {
+                xibDocument.views?.forEach { [weak self] view in
+                    self?.mappingIdToClassName(for: view)
+                    self?.mappingClassNameToConnection(for: view)
+                    self?.mappingGestureRecognizer(for: xibDocument.gestureRecognizers ?? [])
+                }
             }
 
-            public init(viewController: ViewControllerProtocol) {
-                mappingIdToClassName(for: viewController)
-                mappingClassNameToConnection(for: viewController)
-                guard let rootView = viewController.rootView else { return }
-                mappingIdToClassName(for: rootView)
-                mappingClassNameToConnection(for: rootView)
+            public init(storyboardDocument: InterfaceBuilderNode.StoryboardDocument) {
+                storyboardDocument.scenes?.flatMap { $0.viewController }
+                    .forEach { [weak self] viewController in
+                        self?.mappingIdToClassName(for: viewController)
+                        self?.mappingClassNameToConnection(for: viewController)
+                        guard let rootView = viewController.rootView else { return }
+                        self?.mappingIdToClassName(for: rootView)
+                        self?.mappingClassNameToConnection(for: rootView)
+                }
+                let gestureRecognizers = storyboardDocument.scenes?.flatMap { $0.gestureRecognizers }.flatMap { $0 } ?? []
+                mappingGestureRecognizer(for: gestureRecognizers)
             }
 
             private func mappingIdToClassName(for viewController: ViewControllerProtocol) {
@@ -47,6 +55,19 @@ extension Rules {
                 view.subviews?.forEach(mappingIdToClassName)
             }
 
+            private func mappingGestureRecognizer(for gestureRecognizers: [InterfaceBuilderNode.GestureRecognizer]) {
+                gestureRecognizers.flatMap { $0.connections }.flatMap { $0 }
+                    .forEach { [weak self] connection in
+                        switch connection {
+                        case .action(_, let destination, _, _):
+                            guard let className = self?.idToClassName[destination] else { return }
+                            self?.classNameToConnection[className]?.append(connection)
+                        default: return
+                        }
+                }
+
+            }
+
             private func mappingClassNameToConnection(for view: ViewProtocol) {
                 defer { view.subviews?.forEach(mappingClassNameToConnection) }
                 guard let connections = view.connections else { return }
@@ -133,16 +154,13 @@ extension Rules {
         }()
 
         public func validate(xib: XibFile, swiftParser: SwiftIBParser) -> [Violation] {
-            guard let views = xib.document.views else { return [] }
-            return views.map(Mapper.init(view: ))
-                .flatMap { self.validate(for: $0, file: xib, swiftParser: swiftParser) }
+            let mapper = Mapper.init(xibDocument: xib.document)
+            return validate(for: mapper, file: xib, swiftParser: swiftParser)
         }
 
         public func validate(storyboard: StoryboardFile, swiftParser: SwiftIBParser) -> [Violation] {
-            guard let scenes = storyboard.document.scenes else { return [] }
-            let viewControllers = scenes.flatMap { $0.viewController }
-            let mappers = viewControllers.map(Mapper.init(viewController: ))
-            return mappers.flatMap { self.validate(for: $0, file: storyboard, swiftParser: swiftParser) }
+            let mapper = Mapper.init(storyboardDocument: storyboard.document)
+            return validate(for: mapper, file: storyboard, swiftParser: swiftParser)
         }
 
         private func validate(for mapper: Mapper, file: FileProtocol, swiftParser: SwiftIBParser) -> [Violation] {