make ConstraintAttributes conform to ExpressibleByIntegerLiteral (#520)

This commit is contained in:
o( ̄へ ̄)o 2018-06-23 19:14:50 +08:00 committed by Robert Payne
parent 0503c24de8
commit 163f5369d3
1 changed files with 34 additions and 29 deletions

View File

@ -28,7 +28,9 @@
#endif
internal struct ConstraintAttributes : OptionSet {
internal struct ConstraintAttributes : OptionSet, ExpressibleByIntegerLiteral {
typealias IntegerLiteralType = UInt
internal init(rawValue: UInt) {
self.rawValue = rawValue
@ -39,10 +41,13 @@ internal struct ConstraintAttributes : OptionSet {
internal init(nilLiteral: ()) {
self.rawValue = 0
}
internal init(integerLiteral rawValue: IntegerLiteralType) {
self.init(rawValue: rawValue)
}
internal private(set) var rawValue: UInt
internal static var allZeros: ConstraintAttributes { return self.init(0) }
internal static func convertFromNilLiteral() -> ConstraintAttributes { return self.init(0) }
internal static var allZeros: ConstraintAttributes { return 0 }
internal static func convertFromNilLiteral() -> ConstraintAttributes { return 0 }
internal var boolValue: Bool { return self.rawValue != 0 }
internal func toRaw() -> UInt { return self.rawValue }
@ -51,57 +56,57 @@ internal struct ConstraintAttributes : OptionSet {
// normal
internal static var none: ConstraintAttributes { return self.init(0) }
internal static var left: ConstraintAttributes { return self.init(1) }
internal static var top: ConstraintAttributes { return self.init(2) }
internal static var right: ConstraintAttributes { return self.init(4) }
internal static var bottom: ConstraintAttributes { return self.init(8) }
internal static var leading: ConstraintAttributes { return self.init(16) }
internal static var trailing: ConstraintAttributes { return self.init(32) }
internal static var width: ConstraintAttributes { return self.init(64) }
internal static var height: ConstraintAttributes { return self.init(128) }
internal static var centerX: ConstraintAttributes { return self.init(256) }
internal static var centerY: ConstraintAttributes { return self.init(512) }
internal static var lastBaseline: ConstraintAttributes { return self.init(1024) }
internal static var none: ConstraintAttributes { return 0 }
internal static var left: ConstraintAttributes { return 1 }
internal static var top: ConstraintAttributes { return 2 }
internal static var right: ConstraintAttributes { return 4 }
internal static var bottom: ConstraintAttributes { return 8 }
internal static var leading: ConstraintAttributes { return 16 }
internal static var trailing: ConstraintAttributes { return 32 }
internal static var width: ConstraintAttributes { return 64 }
internal static var height: ConstraintAttributes { return 128 }
internal static var centerX: ConstraintAttributes { return 256 }
internal static var centerY: ConstraintAttributes { return 512 }
internal static var lastBaseline: ConstraintAttributes { return 1024 }
@available(iOS 8.0, OSX 10.11, *)
internal static var firstBaseline: ConstraintAttributes { return self.init(2048) }
internal static var firstBaseline: ConstraintAttributes { return 2048 }
@available(iOS 8.0, *)
internal static var leftMargin: ConstraintAttributes { return self.init(4096) }
internal static var leftMargin: ConstraintAttributes { return 4096 }
@available(iOS 8.0, *)
internal static var rightMargin: ConstraintAttributes { return self.init(8192) }
internal static var rightMargin: ConstraintAttributes { return 8192 }
@available(iOS 8.0, *)
internal static var topMargin: ConstraintAttributes { return self.init(16384) }
internal static var topMargin: ConstraintAttributes { return 16384 }
@available(iOS 8.0, *)
internal static var bottomMargin: ConstraintAttributes { return self.init(32768) }
internal static var bottomMargin: ConstraintAttributes { return 32768 }
@available(iOS 8.0, *)
internal static var leadingMargin: ConstraintAttributes { return self.init(65536) }
internal static var leadingMargin: ConstraintAttributes { return 65536 }
@available(iOS 8.0, *)
internal static var trailingMargin: ConstraintAttributes { return self.init(131072) }
internal static var trailingMargin: ConstraintAttributes { return 131072 }
@available(iOS 8.0, *)
internal static var centerXWithinMargins: ConstraintAttributes { return self.init(262144) }
internal static var centerXWithinMargins: ConstraintAttributes { return 262144 }
@available(iOS 8.0, *)
internal static var centerYWithinMargins: ConstraintAttributes { return self.init(524288) }
internal static var centerYWithinMargins: ConstraintAttributes { return 524288 }
// aggregates
internal static var edges: ConstraintAttributes { return self.init(15) }
internal static var size: ConstraintAttributes { return self.init(192) }
internal static var center: ConstraintAttributes { return self.init(768) }
internal static var edges: ConstraintAttributes { return 15 }
internal static var size: ConstraintAttributes { return 192 }
internal static var center: ConstraintAttributes { return 768 }
@available(iOS 8.0, *)
internal static var margins: ConstraintAttributes { return self.init(61440) }
internal static var margins: ConstraintAttributes { return 61440 }
@available(iOS 8.0, *)
internal static var centerWithinMargins: ConstraintAttributes { return self.init(786432) }
internal static var centerWithinMargins: ConstraintAttributes { return 786432 }
internal var layoutAttributes:[LayoutAttribute] {
var attrs = [LayoutAttribute]()