IB connection rule

Package.resolved

@@ -1,6 +1,15 @@
 {
   "object": {
     "pins": [
+      {
+        "package": "Clang_C",
+        "repositoryURL": "https://github.com/norio-nomura/Clang_C.git",
+        "state": {
+          "branch": null,
+          "revision": "90a9574276f0fd17f02f58979423c3fd4d73b59e",
+          "version": "1.0.2"
+        }
+      },
       {
         "package": "Commandant",
         "repositoryURL": "https://github.com/Carthage/Commandant.git",
@@ -46,13 +55,31 @@
           "version": "4.2.5"
         }
       },
+      {
+        "package": "SourceKit",
+        "repositoryURL": "https://github.com/norio-nomura/SourceKit.git",
+        "state": {
+          "branch": null,
+          "revision": "18eaa67ca44443bbe39646916792b9f0c98dbaa1",
+          "version": "1.0.1"
+        }
+      },
+      {
+        "package": "SourceKitten",
+        "repositoryURL": "https://github.com/jpsim/SourceKitten.git",
+        "state": {
+          "branch": null,
+          "revision": "71e8297e5d95118588f8aa8e1de892762346dc9d",
+          "version": "0.18.4"
+        }
+      },
       {
         "package": "Yams",
         "repositoryURL": "https://github.com/jpsim/Yams.git",
         "state": {
           "branch": null,
-          "revision": "95f45caf07472ec78223ebada45255086a85b01a",
-          "version": "0.5.0"
+          "revision": "90a76f3cdb552b8e6aea5dabdd6c3578b8a7ad45",
+          "version": "0.4.1"
         }
       }
     ]

Package.swift

@@ -15,7 +15,8 @@ let package = Package(
         // .package(url: /* package url */, from: "1.0.0"),
         .package(url: "https://github.com/drmohundro/SWXMLHash.git", from: "4.0.0"),
         .package(url: "https://github.com/Carthage/Commandant.git", .branch("master")),
-        .package(url: "https://github.com/jpsim/Yams.git", from: "0.4.1")
+        .package(url: "https://github.com/jpsim/Yams.git", from: "0.4.1"),
+        .package(url: "https://github.com/jpsim/SourceKitten.git", from: "0.18.4")
     ],
     targets: [
         // Targets are the basic building blocks of a package. A target can define a module or a test suite.
@@ -25,11 +26,12 @@ let package = Package(
             dependencies: ["IBLinterKit"]),
         .target(
             name: "IBLinterCore",
-            dependencies: ["SWXMLHash"]),
+            dependencies: ["SWXMLHash", "SourceKittenFramework"]),
         .target(
             name: "IBLinterKit",
             dependencies: ["IBLinterCore", "Commandant", "Yams"]),
         .testTarget(name: "IBLinterKitTest",
-            dependencies: ["IBLinterKit"])
+            dependencies: ["IBLinterKit"],
+            exclude: ["Resources"])
     ]
 )

Sources/IBLinterCore/InterfaceBuilderFile.swift → Sources/IBLinterCore/FileProtocol.swift

@@ -5,7 +5,7 @@
 //  Created by SaitoYuta on 2017/12/13.
 //
 
-public protocol InterfaceBuilderFile {
+public protocol FileProtocol {
     var pathString: String { get }
     var fileName: String { get }
 }

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)
             )
         }
     }
@@ -143,13 +147,37 @@ 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)
         case unsupportedViewControllerClass(String)
         case unsupportedConstraint(String)
         case unsupportedTableViewDataMode(String)
         case unsupportedColorSpace(String)
+        case unsupportedConnectionType(String)
+        case notViewElement
 
         public var description: String {
             switch self {
@@ -165,6 +193,10 @@ public extension InterfaceBuilderNode {
                 return "unsupported dataMode '\(name)'"
             case .unsupportedColorSpace(let colorSpace):
                 return "unsupported color space '\(colorSpace)'"
+            case .unsupportedConnectionType(let connectionType):
+                return "unsupported connection type \(connectionType)"
+            case .notViewElement:
+                return "not view element"
             }
         }
     }