0001    //
0002    //  SnapKit
0003    //
0004    //  Copyright (c) 2011-2015 SnapKit Team - https://github.com/SnapKit
0005    //
0006    //  Permission is hereby granted, free of charge, to any person obtaining a copy
0007    //  of this software and associated documentation files (the "Software"), to deal
0008    //  in the Software without restriction, including without limitation the rights
0009    //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
0010    //  copies of the Software, and to permit persons to whom the Software is
0011    //  furnished to do so, subject to the following conditions:
0012    //
0013    //  The above copyright notice and this permission notice shall be included in
0014    //  all copies or substantial portions of the Software.
0015    //
0016    //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
0017    //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
0018    //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
0019    //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
0020    //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
0021    //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
0022    //  THE SOFTWARE.
0023    
0024    #if os(iOS) || os(tvOS)
0025    import UIKit
0026    public typealias View = UIView
0027    #else
0028    import AppKit
0029    public typealias View
Constraint.swift:208
        var installOnView: View? = nil
Constraint.swift:241
        let layoutFrom: View? = self.fromItem.view
Constraint.swift:375
    weak var view: View? = nil
Constraint.swift:470
private func closestCommonSuperviewFromView(fromView: View?, toView: View?) -> View? {
Constraint.swift:470
private func closestCommonSuperviewFromView(fromView: View?, toView: View?) -> View? {
Constraint.swift:470
private func closestCommonSuperviewFromView(fromView: View?, toView: View?) -> View? {
Constraint.swift:471
    var views = Set<View>()
ConstraintDescription.swift:95
    func equalTo(other: View) -> ConstraintDescriptionEditable
ConstraintDescription.swift:110
    func lessThanOrEqualTo(other: View) -> ConstraintDescriptionEditable
ConstraintDescription.swift:125
    func greaterThanOrEqualTo(other: View) -> ConstraintDescriptionEditable
ConstraintDescription.swift:226
    internal func equalTo(other: View) -> ConstraintDescriptionEditable {
ConstraintDescription.swift:267
    internal func lessThanOrEqualTo(other: View) -> ConstraintDescriptionEditable {
ConstraintDescription.swift:308
    internal func greaterThanOrEqualTo(other: View) -> ConstraintDescriptionEditable {
ConstraintDescription.swift:559
    private func constrainTo(other: View, relation: ConstraintRelation) -> ConstraintDescription {
ConstraintItem.swift:44
        return self.object as? View
ConstraintItem.swift:43
    internal var view: View? {
ConstraintMaker.swift:121
    internal init(view: View, file: String, line: UInt) {
ConstraintMaker.swift:129
    internal let view: View
ConstraintMaker.swift:139
    internal class func prepareConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
ConstraintMaker.swift:151
    internal class func makeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:164
    internal class func remakeConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:178
    internal class func updateConstraints(view view: View, file: String = "Unknown", line: UInt = 0, @noescape closure: (make: ConstraintMaker) -> Void) {
ConstraintMaker.swift:191
    internal class func removeConstraints(view view: View) {
Debugging.swift:33
public extension View {
Debugging.swift:121
    if let object = object as? View {
View+SnapKit.swift:35
public extension View {
 = NSView
0030    #endif
0031    
0032    /**
0033        Used to expose public API on views
0034    */
0035    public extension View {
0036        
0037        /// left edge
0038        public var snp_left: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Left) }
0039        
0040        /// top edge
0041        public var snp_top: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Top) }
0042        
0043        /// right edge
0044        public var snp_right: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Right) }
0045        
0046        /// bottom edge
0047        public var snp_bottom: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Bottom) }
0048        
0049        /// leading edge
0050        public var snp_leading: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Leading) }
0051        
0052        /// trailing edge
0053        public var snp_trailing: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Trailing) }
0054        
0055        /// width dimension
0056        public var snp_width: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Width) }
0057        
0058        /// height dimension
0059        public var snp_height: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Height) }
0060        
0061        /// centerX position
0062        public var snp_centerX: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterX) }
0063        
0064        /// centerY position
0065        public var snp_centerY: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterY) }
0066        
0067        /// baseline position
0068        public var snp_baseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Baseline) }
0069        
0070        /// first baseline position
0071        @available(iOS 8.0, *)
0072        public var snp_firstBaseline: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.FirstBaseline) }
0073        
0074        /// left margin
0075        @available(iOS 8.0, *)
0076        public var snp_leftMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeftMargin) }
0077        
0078        /// right margin
0079        @available(iOS 8.0, *)
0080        public var snp_rightMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.RightMargin) }
0081        
0082        /// top margin
0083        @available(iOS 8.0, *)
0084        public var snp_topMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TopMargin) }
0085        
0086        /// bottom margin
0087        @available(iOS 8.0, *)
0088        public var snp_bottomMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.BottomMargin) }
0089        
0090        /// leading margin
0091        @available(iOS 8.0, *)
0092        public var snp_leadingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.LeadingMargin) }
0093        
0094        /// trailing margin
0095        @available(iOS 8.0, *)
0096        public var snp_trailingMargin: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.TrailingMargin) }
0097        
0098        /// centerX within margins
0099        @available(iOS 8.0, *)
0100        public var snp_centerXWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterXWithinMargins) }
0101        
0102        /// centerY within margins
0103        @available(iOS 8.0, *)
0104        public var snp_centerYWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterYWithinMargins) }
0105        
0106        // top + left + bottom + right edges
0107        public var snp_edges: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Edges) }
0108        
0109        // width + height dimensions
0110        public var snp_size: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Size) }
0111        
0112        // centerX + centerY positions
0113        public var snp_center: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Center) }
0114        
0115        // top + left + bottom + right margins
0116        @available(iOS 8.0, *)
0117        public var snp_margins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.Margins) }
0118        
0119        // centerX + centerY within margins
0120        @available(iOS 8.0, *)
0121        public var snp_centerWithinMargins: ConstraintItem { return ConstraintItem(object: self, attributes: ConstraintAttributes.CenterWithinMargins) }
0122        
0123        /**
0124            Prepares constraints with a `ConstraintMaker` and returns the made constraints but does not install them.
0125    
0126            :param: closure that will be passed the `ConstraintMaker` to make the constraints with
0127            
0128            :returns: the constraints made
0129        */
0130        public func snp_prepareConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> [Constraint] {
0131            return ConstraintMaker.prepareConstraints(view: self, file: file, line: line, closure: closure)
0132        }
0133        
0134        /**
0135            Makes constraints with a `ConstraintMaker` and installs them along side any previous made constraints.
0136            
0137            :param: closure that will be passed the `ConstraintMaker` to make the constraints with
0138        */
0139        public func snp_makeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
0140            ConstraintMaker.makeConstraints(view: self, file: file, line: line, closure: closure)
0141        }
0142        
0143        /**
0144            Updates constraints with a `ConstraintMaker` that will replace existing constraints that match and install new ones.
0145        
0146            For constraints to match only the constant can be updated.
0147        
0148            :param: closure that will be passed the `ConstraintMaker` to update the constraints with
0149        */
0150        public func snp_updateConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
0151            ConstraintMaker.updateConstraints(view: self, file: file, line: line, closure: closure)
0152        }
0153        
0154        /**
0155            Remakes constraints with a `ConstraintMaker` that will first remove all previously made constraints and make and install new ones.
0156        
0157            :param: closure that will be passed the `ConstraintMaker` to remake the constraints with
0158        */
0159        public func snp_remakeConstraints(file: String = __FILE__, line: UInt = __LINE__, @noescape closure: (make: ConstraintMaker) -> Void) -> Void {
0160            ConstraintMaker.remakeConstraints(view: self, file: file, line: line, closure: closure)
0161        }
0162        
0163        /**
0164            Removes all previously made constraints.
0165        */
0166        public func snp_removeConstraints() {
0167            ConstraintMaker.removeConstraints(view: self)
0168        }
0169        
0170        internal var snp_installedLayoutConstraints
Constraint.swift:285
            let existingLayoutConstraints = layoutFrom!.snp_installedLayoutConstraints.reverse()
Constraint.swift:337
        layoutFrom!.snp_installedLayoutConstraints += newLayoutConstraints
Constraint.swift:361
                        fromView.snp_installedLayoutConstraints = fromView.snp_installedLayoutConstraints.filter {
Constraint.swift:361
                        fromView.snp_installedLayoutConstraints = fromView.snp_installedLayoutConstraints.filter {
ConstraintMaker.swift:192
        for existingLayoutConstraint in view.snp_installedLayoutConstraints {
: [LayoutConstraint] {
0171            get {
0172                if let constraints = objc_getAssociatedObject(self, &installedLayoutConstraintsKey) as? [LayoutConstraint] {
0173                    return constraints
0174                }
0175                return []
0176            }
0177            set {
0178                objc_setAssociatedObject(self, &installedLayoutConstraintsKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
0179            }
0180        }
0181    }
0182    
0183    private var installedLayoutConstraintsKey
View+SnapKit.swift:172
            if let constraints = objc_getAssociatedObject(self, &installedLayoutConstraintsKey) as? [LayoutConstraint] {
View+SnapKit.swift:178
            objc_setAssociatedObject(self, &installedLayoutConstraintsKey, newValue, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
 = ""
0184