Blame view

Pods/SnapKit/Source/LayoutConstraint.swift 1.95 KB
75d24c15   yangbin   123
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
  //
  //  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 class LayoutConstraint : NSLayoutConstraint {
      
      public var label: String? {
          get {
              return self.identifier
          }
          set {
              self.identifier = newValue
          }
      }
      
      internal weak var constraint: Constraint? = nil
      
  }
  
  internal func ==(lhs: LayoutConstraint, rhs: LayoutConstraint) -> Bool {
      guard lhs.firstItem === rhs.firstItem &&
            lhs.secondItem === rhs.secondItem &&
            lhs.firstAttribute == rhs.firstAttribute &&
            lhs.secondAttribute == rhs.secondAttribute &&
            lhs.relation == rhs.relation &&
            lhs.priority == rhs.priority &&
            lhs.multiplier == rhs.multiplier else {
          return false
      }
      return true
  }