Split up DSL and add support for UILayoutGuide

SnapKit.xcodeproj/project.pbxproj

@@ -29,15 +29,9 @@
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-		EE235F7D1C5785C600C08960 /* ConstraintViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235F671C5785C600C08960 /* ConstraintViewController.swift */; };
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 		EE235F811C5785C600C08960 /* ConstraintRelation.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235F681C5785C600C08960 /* ConstraintRelation.swift */; };
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@@ -86,15 +80,12 @@
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 		EE235FC21C5785DC00C08960 /* ConstraintViewDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBE1C5785DC00C08960 /* ConstraintViewDSL.swift */; };
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-		EE235FC41C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBF1C5785DC00C08960 /* ConstraintViewControllerDSL.swift */; };
-		EE235FC51C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBF1C5785DC00C08960 /* ConstraintViewControllerDSL.swift */; };
+		EE235FC31C5785DC00C08960 /* UILayoutSupportDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBF1C5785DC00C08960 /* UILayoutSupportDSL.swift */; };
+		EE235FC41C5785DC00C08960 /* UILayoutSupportDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBF1C5785DC00C08960 /* UILayoutSupportDSL.swift */; };
+		EE235FC51C5785DC00C08960 /* UILayoutSupportDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EE235FBF1C5785DC00C08960 /* UILayoutSupportDSL.swift */; };
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@@ -103,6 +94,18 @@
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+		EEF68FA61D784A5300980C26 /* ConstraintDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEF68FA51D784A5300980C26 /* ConstraintDSL.swift */; };
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+		EEF68FAD1D784E3A00980C26 /* ConstraintDSL.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEF68FA51D784A5300980C26 /* ConstraintDSL.swift */; };
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+		EEF68FB01D784FB100980C26 /* UILayoutGuide+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEF68FAF1D784FB100980C26 /* UILayoutGuide+Extensions.swift */; };
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+		EEF68FB41D784FBA00980C26 /* UILayoutSupport+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = EEF68FB31D784FBA00980C26 /* UILayoutSupport+Extensions.swift */; };
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@@ -125,9 +128,7 @@
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+		EE235FBF1C5785DC00C08960 /* UILayoutSupportDSL.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UILayoutSupportDSL.swift; sourceTree = "<group>"; };
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@@ -157,6 +157,10 @@
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+		EEF68FAF1D784FB100980C26 /* UILayoutGuide+Extensions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "UILayoutGuide+Extensions.swift"; sourceTree = "<group>"; };
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-				EE235FC71C5785E200C08960 /* ConstraintViewController+Extensions.swift */,
+				EEF68FAF1D784FB100980C26 /* UILayoutGuide+Extensions.swift */,
+				EEF68FB31D784FBA00980C26 /* UILayoutSupport+Extensions.swift */,
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@@ -245,8 +250,10 @@
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+				EEF68FA51D784A5300980C26 /* ConstraintDSL.swift */,
 				EE235FBE1C5785DC00C08960 /* ConstraintViewDSL.swift */,
-				EE235FBF1C5785DC00C08960 /* ConstraintViewControllerDSL.swift */,
+				EEF68F9D1D78492400980C26 /* UILayoutGuideDSL.swift */,
+				EE235FBF1C5785DC00C08960 /* UILayoutSupportDSL.swift */,
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@@ -285,9 +292,7 @@
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 				EE235F651C5785C600C08960 /* ConstraintConfig.swift */,
 				EE235F661C5785C600C08960 /* ConstraintView.swift */,
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 				EE235F861C5785C600C08960 /* ConstraintAttributes.swift in Sources */,
 				EE235FA11C5785CE00C08960 /* ConstraintOffsetTarget.swift in Sources */,
+				EEF68FAB1D784E3800980C26 /* UILayoutGuideDSL.swift in Sources */,
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 				EE235F951C5785CE00C08960 /* ConstraintRelatableTarget.swift in Sources */,
 				EE235FBC1C5785D400C08960 /* ConstraintMakerExtendable.swift in Sources */,
+				EEF68FAD1D784E3A00980C26 /* ConstraintDSL.swift in Sources */,
 				EE235F891C5785C600C08960 /* ConstraintItem.swift in Sources */,
 				EE235F9B1C5785CE00C08960 /* ConstraintPriorityTarget.swift in Sources */,
+				EEF68FB11D784FB100980C26 /* UILayoutGuide+Extensions.swift in Sources */,
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 				EE235F601C5785BC00C08960 /* Debugging.swift in Sources */,
-				EE235FC41C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */,
+				EE235FC41C5785DC00C08960 /* UILayoutSupportDSL.swift in Sources */,
 				EE235F801C5785C600C08960 /* ConstraintRelation.swift in Sources */,
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 				EE235F851C5785C600C08960 /* ConstraintAttributes.swift in Sources */,
 				EE235FA01C5785CE00C08960 /* ConstraintOffsetTarget.swift in Sources */,
+				EEF68F9E1D78492400980C26 /* UILayoutGuideDSL.swift in Sources */,
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 				EE235FAC1C5785D400C08960 /* ConstraintMaker.swift in Sources */,
 				EE235F941C5785CE00C08960 /* ConstraintRelatableTarget.swift in Sources */,
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 				EE235F881C5785C600C08960 /* ConstraintItem.swift in Sources */,
 				EE235F9A1C5785CE00C08960 /* ConstraintPriorityTarget.swift in Sources */,
+				EEF68FB01D784FB100980C26 /* UILayoutGuide+Extensions.swift in Sources */,
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 				EE235F5F1C5785BC00C08960 /* Debugging.swift in Sources */,
-				EE235FC31C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */,
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 				EE235F871C5785C600C08960 /* ConstraintAttributes.swift in Sources */,
 				EE235FA21C5785CE00C08960 /* ConstraintOffsetTarget.swift in Sources */,
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 				EE235FB41C5785D400C08960 /* ConstraintMakerPriortizable.swift in Sources */,
-				EE235FCD1C5785E200C08960 /* ConstraintViewController+Extensions.swift in Sources */,
 				EE235F8D1C5785C600C08960 /* LayoutConstraint.swift in Sources */,
 				EE235FA51C5785CE00C08960 /* ConstraintInsetTarget.swift in Sources */,
 				EE235F9F1C5785CE00C08960 /* ConstraintMultiplierTarget.swift in Sources */,
 				EE235FC21C5785DC00C08960 /* ConstraintViewDSL.swift in Sources */,
 				EE235F611C5785BC00C08960 /* Debugging.swift in Sources */,
-				EE235FC51C5785DC00C08960 /* ConstraintViewControllerDSL.swift in Sources */,
+				EE235FC51C5785DC00C08960 /* UILayoutSupportDSL.swift in Sources */,
 				EE235F811C5785C600C08960 /* ConstraintRelation.swift in Sources */,
+				EEF68FB61D784FBA00980C26 /* UILayoutSupport+Extensions.swift in Sources */,
 				EE235F721C5785C600C08960 /* ConstraintDescription.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

Source/Constraint.swift

@@ -86,11 +86,7 @@ public class Constraint {
             let layoutConstant: CGFloat = self.constant.constraintConstantTargetValueFor(layoutAttribute: layoutToAttribute)
             
             // get layout to
-            #if os(iOS) || os(tvOS)
-                var layoutTo: AnyObject? = self.to.view ?? self.to.layoutSupport
-            #else
-                var layoutTo: AnyObject? = self.to.view
-            #endif
+            var layoutTo: AnyObject? = self.to.target
             
             // use superview if possible
             if layoutTo == nil && layoutToAttribute != .width && layoutToAttribute != .height {

Source/ConstraintDSL.swift

@@ -0,0 +1,179 @@
+//
+//  SnapKit
+//
+//  Copyright (c) 2011-Present SnapKit Team - https://github.com/SnapKit
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+
+#if os(iOS) || os(tvOS)
+    import UIKit
+#else
+    import AppKit
+#endif
+
+
+public protocol ConstraintDSL {
+    
+    var label: String? { get set }
+    var target: AnyObject? { get }
+    
+}
+extension ConstraintDSL {
+    
+    public var label: String? {
+        get {
+            return objc_getAssociatedObject(self.target, &labelKey) as? String
+        }
+        set {
+            objc_setAssociatedObject(self.target, &labelKey, newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)
+        }
+    }
+    
+}
+private var labelKey: UInt8 = 0
+
+
+public protocol ConstraintAttributesDSL: ConstraintDSL {
+}
+extension ConstraintAttributesDSL {
+    
+    // MARK: Basics
+
+    public var left: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.left)
+    }
+    
+    public var top: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.top)
+    }
+    
+    public var right: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.right)
+    }
+    
+    public var bottom: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.bottom)
+    }
+    
+    public var leading: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.leading)
+    }
+    
+    public var trailing: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.trailing)
+    }
+    
+    public var width: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.width)
+    }
+    
+    public var height: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.height)
+    }
+    
+    public var centerX: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.centerX)
+    }
+    
+    public var centerY: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.centerY)
+    }
+    
+    public var edges: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.edges)
+    }
+    
+    public var size: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.size)
+    }
+    
+    public var center: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.center)
+    }
+    
+    // MARK: Baselines
+    
+    @available(*, deprecated:0.40.0, message:"Use .lastBaseline instead")
+    public var baseline: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.lastBaseline)
+    }
+    
+    @available(iOS 8.0, OSX 10.11, *)
+    public var lastBaseline: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.lastBaseline)
+    }
+    
+    @available(iOS 8.0, OSX 10.11, *)
+    public var firstBaseline: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.firstBaseline)
+    }
+    
+    // MARK: Margins
+    
+    @available(iOS 8.0, *)
+    public var leftMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.leftMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var topMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.topMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var rightMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.rightMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var bottomMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.bottomMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var leadingMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.leadingMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var trailingMargin: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.trailingMargin)
+    }
+    
+    @available(iOS 8.0, *)
+    public var centerXWithinMargins: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.centerXWithinMargins)
+    }
+    
+    @available(iOS 8.0, *)
+    public var centerYWithinMargins: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.centerYWithinMargins)
+    }
+    
+    @available(iOS 8.0, *)
+    public var margins: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.margins)
+    }
+    
+    @available(iOS 8.0, *)
+    public var centerWithinMargins: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.centerWithinMargins)
+    }
+    
+}

Source/ConstraintItem.swift

@@ -42,10 +42,6 @@ public class ConstraintItem: Equatable {
         return self.target as? ConstraintView
     }
     
-    internal var layoutSupport: ConstraintLayoutSupport? {
-        return self.target as? ConstraintLayoutSupport
-    }
-    
 }
 
 public func ==(lhs: ConstraintItem, rhs: ConstraintItem) -> Bool {

Source/ConstraintViewDSL.swift

@@ -28,124 +28,7 @@
 #endif
 
 
-public struct ConstraintViewDSL {
-    
-    public var left: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.left)
-    }
-    
-    public var top: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.top)
-    }
-    
-    public var right: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.right)
-    }
-    
-    public var bottom: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.bottom)
-    }
-    
-    public var leading: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.leading)
-    }
-    
-    public var trailing: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.trailing)
-    }
-    
-    public var width: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.width)
-    }
-    
-    public var height: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.height)
-    }
-    
-    public var centerX: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.centerX)
-    }
-    
-    public var centerY: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.centerY)
-    }
-    
-    @available(*, deprecated:0.40.0, message:"Use .lastBaseline instead")
-    public var baseline: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.lastBaseline)
-    }
-    
-    @available(iOS 8.0, OSX 10.11, *)
-    public var lastBaseline: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.lastBaseline)
-    }
-    
-    @available(iOS 8.0, OSX 10.11, *)
-    public var firstBaseline: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.firstBaseline)
-    }
-    
-    @available(iOS 8.0, *)
-    public var leftMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.leftMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var topMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.topMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var rightMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.rightMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var bottomMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.bottomMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var leadingMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.leadingMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var trailingMargin: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.trailingMargin)
-    }
-    
-    @available(iOS 8.0, *)
-    public var centerXWithinMargins: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.centerXWithinMargins)
-    }
-    
-    @available(iOS 8.0, *)
-    public var centerYWithinMargins: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.centerYWithinMargins)
-    }
-    
-    public var edges: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.edges)
-    }
-    
-    public var size: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.size)
-    }
-    
-    public var center: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.center)
-    }
-    
-    @available(iOS 8.0, *)
-    public var margins: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.margins)
-    }
-    
-    @available(iOS 8.0, *)
-    public var centerWithinMargins: ConstraintItem {
-        return ConstraintItem(target: self.view, attributes: ConstraintAttributes.centerWithinMargins)
-    }
+public struct ConstraintViewDSL: ConstraintAttributesDSL {
     
     @discardableResult
     public func prepareConstraints(_ closure: (_ make: ConstraintMaker) -> Void) -> [Constraint] {
@@ -168,14 +51,7 @@ public struct ConstraintViewDSL {
         ConstraintMaker.removeConstraints(view: self.view)
     }
     
-    public var label: String? {
-        get {
-            return objc_getAssociatedObject(self.view, &labelKey) as? String
-        }
-        set {
-            objc_setAssociatedObject(self.view, &labelKey, newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)
-        }
-    }
+    
     
     public var contentHuggingHorizontalPriority: Float {
         get {
@@ -213,6 +89,10 @@ public struct ConstraintViewDSL {
         }
     }
     
+    public var target: AnyObject? {
+        return self.view
+    }
+    
     internal let view: ConstraintView
     
     internal init(view: ConstraintView) {
@@ -235,5 +115,4 @@ public struct ConstraintViewDSL {
     }
     
 }
-private var labelKey: UInt8 = 0
 private var layoutConstraintsKey: UInt8 = 0

Source/ConstraintLayoutSupport.swift → Source/UILayoutGuide+Extensions.swift

@@ -23,8 +23,14 @@
 
 #if os(iOS) || os(tvOS)
     import UIKit
-    internal typealias ConstraintLayoutSupport = UILayoutSupport
-#else
-    import AppKit
-    internal class ConstraintLayoutSupport { }
-#endif
+#endif
+    
+    
+@available(iOS 9.0, *)
+public extension UILayoutGuide {
+    
+    public var snp: UILayoutGuideDSL {
+        return UILayoutGuideDSL(guide: self)
+    }
+    
+}

Source/ConstraintViewController+Extensions.swift → Source/UILayoutGuideDSL.swift

@@ -23,34 +23,23 @@
 
 #if os(iOS) || os(tvOS)
     import UIKit
+#else
+    import AppKit
+#endif
 
 
-    public extension ConstraintViewController {
-        
-        @available(iOS, deprecated:0.40.0, message:"Use newer snp.* syntax.")
-        public var topLayoutGuideTop: ConstraintItem {
-            return self.snp.topLayoutGuideTop
-        }
-        
-        @available(iOS, deprecated:0.40.0, message:"Use newer snp.* syntax.")
-        public var topLayoutGuideBottom: ConstraintItem {
-            return self.snp.topLayoutGuideBottom
-        }
-        
-        @available(iOS, deprecated:0.40.0, message:"Use newer snp.* syntax.")
-        public var bottomLayoutGuideTop: ConstraintItem {
-            return self.snp.bottomLayoutGuideTop
-        }
-        
-        @available(iOS, deprecated:0.40.0, message:"Use newer snp.* syntax.")
-        public var bottomLayoutGuideBottom: ConstraintItem {
-            return self.snp.bottomLayoutGuideBottom
-        }
-        
-        public var snp: ConstraintViewControllerDSL {
-            return ConstraintViewControllerDSL(viewController: self)
-        }
+@available(iOS 9.0, *)
+public struct UILayoutGuideDSL: ConstraintAttributesDSL {
+    
+    public var target: AnyObject? {
+        return self.guide
+    }
+    
+    internal let guide: UILayoutGuide
+    
+    internal init(guide: UILayoutGuide) {
+        self.guide = guide
         
     }
-
-#endif
+    
+}

Source/ConstraintViewController.swift → Source/UILayoutSupport+Extensions.swift

@@ -23,13 +23,14 @@
 
 #if os(iOS) || os(tvOS)
     import UIKit
-#else
-    import AppKit
 #endif
 
-
-#if os(iOS) || os(tvOS)
-    public typealias ConstraintViewController = UIViewController
-#else
-    public typealias ConstraintViewController = NSViewController
-#endif
+    
+@available(iOS 8.0, *)
+public extension UILayoutSupport {
+    
+    public var snp: UILayoutSupportDSL {
+        return UILayoutSupportDSL(support: self)
+    }
+    
+}

Source/ConstraintViewControllerDSL.swift → Source/UILayoutSupportDSL.swift

@@ -23,36 +23,34 @@
 
 #if os(iOS) || os(tvOS)
     import UIKit
+#else
+    import AppKit
+#endif
 
 
-    public struct ConstraintViewControllerDSL {
-        
-        @available(iOS 8.0, *)
-        public var topLayoutGuideTop: ConstraintItem {
-            return ConstraintItem(target: self.viewController.topLayoutGuide, attributes: ConstraintAttributes.top)
-        }
-        
-        @available(iOS 8.0, *)
-        public var topLayoutGuideBottom: ConstraintItem {
-            return ConstraintItem(target: self.viewController.topLayoutGuide, attributes: ConstraintAttributes.bottom)
-        }
-        
-        @available(iOS 8.0, *)
-        public var bottomLayoutGuideTop: ConstraintItem {
-            return ConstraintItem(target: self.viewController.bottomLayoutGuide, attributes: ConstraintAttributes.top)
-        }
-        
-        @available(iOS 8.0, *)
-        public var bottomLayoutGuideBottom: ConstraintItem {
-            return ConstraintItem(target: self.viewController.bottomLayoutGuide, attributes: ConstraintAttributes.bottom)
-        }
-        
-        internal let viewController: ConstraintViewController
-        
-        internal init(viewController: ConstraintViewController) {
-            self.viewController = viewController
-        }
+@available(iOS 8.0, *)
+public struct UILayoutSupportDSL: ConstraintDSL {
+    
+    public var target: AnyObject? {
+        return self.support
+    }
+    
+    internal let support: UILayoutSupport
+    
+    internal init(support: UILayoutSupport) {
+        self.support = support
         
     }
-
-#endif
+    
+    public var top: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.top)
+    }
+    
+    public var bottom: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.bottom)
+    }
+    
+    public var height: ConstraintItem {
+        return ConstraintItem(target: self.target, attributes: ConstraintAttributes.height)
+    }
+}

Tests/Tests.swift

@@ -37,10 +37,12 @@ class SnapKitTests: XCTestCase {
             vc.view.addSubview(self.container)
             
             self.container.snp.makeConstraints { (make) -> Void in
-                make.top.equalTo(vc.snp.topLayoutGuideBottom)
-                make.bottom.equalTo(vc.snp.bottomLayoutGuideTop)
+                make.top.equalTo(vc.topLayoutGuide.snp.bottom)
+                make.bottom.equalTo(vc.bottomLayoutGuide.snp.top)
             }
             
+            print(vc.view.snp_constraints)
+            
             XCTAssertEqual(vc.view.snp_constraints.count, 6, "Should have 6 constraints installed")
         #endif
     }
@@ -318,58 +320,5 @@ class SnapKitTests: XCTestCase {
         let constraints = container.snp_constraints as! [NSLayoutConstraint]
         XCTAssertEqual(constraints[0].identifier, identifier, "Identifier should be 'Test'")
     }
-//
-////    func testSuperviewConstraints() {
-////        let view = View()
-////        
-////        container.addSubview(view)
-////        
-////        view.snp.makeConstraints { (make) -> Void in
-////            make.top.equalToSuperview().inset(10)
-////            make.bottom.equalToSuperview().inset(10)
-////        }
-////        
-////        XCTAssertEqual(container.snp_constraints.count, 2, "Should have 2 constraints")
-////        
-////        let constraints = container.snp_constraints as! [NSLayoutConstraint]
-////        
-////        XCTAssertEqual(constraints[0].firstAttribute, NSLayoutAttribute.top, "Should be top")
-////        XCTAssertEqual(constraints[1].firstAttribute, NSLayoutAttribute.bottom, "Should be bottom")
-////        
-////        XCTAssertEqual(constraints[0].secondAttribute, NSLayoutAttribute.top, "Should be top")
-////        XCTAssertEqual(constraints[1].secondAttribute, NSLayoutAttribute.bottom, "Should be bottom")
-////        
-////        XCTAssertEqual(constraints[0].firstItem as? View, view, "Should be added subview")
-////        XCTAssertEqual(constraints[1].firstItem as? View, view, "Should be added subview")
-////        
-////        XCTAssertEqual(constraints[0].secondItem as? View, container, "Should be containerView")
-////        XCTAssertEqual(constraints[1].secondItem as? View, container, "Should be containerView")
-////        
-////        XCTAssertEqual(constraints[0].constant, 10, "Should be 10")
-////        XCTAssertEqual(constraints[1].constant, -10, "Should be 10")
-////    }
-//    
-////    func testNativeConstraints() {
-////        let view = View()
-////        
-////        container.addSubview(view)
-////        
-////        var topNativeConstraints: [LayoutConstraint]!
-////        var topNativeConstraint: LayoutConstraint?
-////        var sizeNativeConstraints: [LayoutConstraint]!
-////        view.snp_makeConstraints { (make) -> Void in
-////            let topConstraint = make.top.equalToSuperview().inset(10).constraint
-////            topNativeConstraints = topConstraint.layoutConstraints
-////            topNativeConstraint = topConstraint.layoutConstraints.first
-////            let sizeConstraints = make.size.equalTo(50).constraint
-////            sizeNativeConstraints = sizeConstraints.layoutConstraints
-////        }
-////        
-////        XCTAssertEqual(topNativeConstraints.count, 1, "make.top should creates one native constraint")
-////        XCTAssertEqual(topNativeConstraint?.constant, 10, "topNativeConstraint.constant is set to 10")
-////        XCTAssertEqual(sizeNativeConstraints.count, 2, "make.tosize should create two native constraint")
-////        XCTAssertEqual(sizeNativeConstraints[0].constant, 50, "sizeNativeConstraints should set size[0] to 50")
-////        XCTAssertEqual(sizeNativeConstraints[1].constant, 50, "sizeNativeConstraints should set size[1] to 50")
-////    }
     
 }