Units: Add UnitInformationStorage

DarwinCompatibilityTests.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		659FB6E02405E65D00F5F63F /* TestBridging.swift in Sources */ = {isa = PBXBuildFile; fileRef = 659FB6DF2405E65D00F5F63F /* TestBridging.swift */; };
+		ABB1293726D47D9E00401E6C /* TestUnitInformationStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB1293626D47D9E00401E6C /* TestUnitInformationStorage.swift */; };
 		B91161AF242A385A00BD2907 /* TestDataURLProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = B91161AE242A385A00BD2907 /* TestDataURLProtocol.swift */; };
 		B917D32420B0DB9700728EE0 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = B917D32320B0DB9700728EE0 /* Foundation.framework */; };
 		B94B07402401847C00B244E8 /* FTPServer.swift in Sources */ = {isa = PBXBuildFile; fileRef = B94B073C2401847C00B244E8 /* FTPServer.swift */; };
@@ -175,6 +176,7 @@
 
 /* Begin PBXFileReference section */
 		659FB6DF2405E65D00F5F63F /* TestBridging.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TestBridging.swift; path = Tests/Foundation/Tests/TestBridging.swift; sourceTree = "<group>"; };
+		ABB1293626D47D9E00401E6C /* TestUnitInformationStorage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TestUnitInformationStorage.swift; path = Tests/Foundation/Tests/TestUnitInformationStorage.swift; sourceTree = "<group>"; };
 		B91161AE242A385A00BD2907 /* TestDataURLProtocol.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = TestDataURLProtocol.swift; path = Tests/Foundation/Tests/TestDataURLProtocol.swift; sourceTree = "<group>"; };
 		B917D31C20B0DB8B00728EE0 /* xdgTestHelper */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = xdgTestHelper; sourceTree = BUILT_PRODUCTS_DIR; };
 		B917D32320B0DB9700728EE0 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
@@ -343,6 +345,7 @@
 		B9C89EB81F6BF47D00087AF4 = {
 			isa = PBXGroup;
 			children = (
+				ABB1293626D47D9E00401E6C /* TestUnitInformationStorage.swift */,
 				B9F449292483FA1E00B30F02 /* TestNSURL.swift */,
 				B91161AE242A385A00BD2907 /* TestDataURLProtocol.swift */,
 				B94B08342401854E00B244E8 /* main.swift */,
@@ -710,6 +713,7 @@
 				B94B07EF2401849B00B244E8 /* TestByteCountFormatter.swift in Sources */,
 				B94B07F02401849B00B244E8 /* TestURL.swift in Sources */,
 				B94B07F12401849B00B244E8 /* TestCachedURLResponse.swift in Sources */,
+				ABB1293726D47D9E00401E6C /* TestUnitInformationStorage.swift in Sources */,
 				B94B07F22401849B00B244E8 /* TestDecimal.swift in Sources */,
 				B94B07F32401849B00B244E8 /* TestStream.swift in Sources */,
 				B94B07F42401849B00B244E8 /* TestNSData.swift in Sources */,

Foundation.xcodeproj/project.pbxproj

@@ -403,6 +403,7 @@
 		A058C2021E529CF100B07AA1 /* TestMassFormatter.swift in Sources */ = {isa = PBXBuildFile; fileRef = A058C2011E529CF100B07AA1 /* TestMassFormatter.swift */; };
 		AA9E0E0B21FA6C5600963F4C /* PropertyListEncoder.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA9E0E0A21FA6C5600963F4C /* PropertyListEncoder.swift */; };
 		AA9E0E0D21FA6E0700963F4C /* TestPropertyListEncoder.swift in Sources */ = {isa = PBXBuildFile; fileRef = AA9E0E0C21FA6E0700963F4C /* TestPropertyListEncoder.swift */; };
+		ABB1293526D4736B00401E6C /* TestUnitInformationStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = ABB1293426D4736B00401E6C /* TestUnitInformationStorage.swift */; };
 		B907F36B20BB07A700013CBE /* NSString-ISO-8859-1-data.txt in Resources */ = {isa = PBXBuildFile; fileRef = B907F36A20BB07A700013CBE /* NSString-ISO-8859-1-data.txt */; };
 		B90C57BB1EEEEA5A005208AE /* TestFileManager.swift in Sources */ = {isa = PBXBuildFile; fileRef = 525AECEB1BF2C96400D15BB0 /* TestFileManager.swift */; };
 		B90C57BC1EEEEA5A005208AE /* TestThread.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5E5835F31C20C9B500C81317 /* TestThread.swift */; };
@@ -1129,6 +1130,7 @@
 		A5A34B551C18C85D00FD972B /* TestByteCountFormatter.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TestByteCountFormatter.swift; sourceTree = "<group>"; };
 		AA9E0E0A21FA6C5600963F4C /* PropertyListEncoder.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PropertyListEncoder.swift; sourceTree = "<group>"; };
 		AA9E0E0C21FA6E0700963F4C /* TestPropertyListEncoder.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TestPropertyListEncoder.swift; sourceTree = "<group>"; };
+		ABB1293426D4736B00401E6C /* TestUnitInformationStorage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TestUnitInformationStorage.swift; sourceTree = "<group>"; };
 		B167A6641ED7303F0040B09A /* README.md */ = {isa = PBXFileReference; lastKnownFileType = net.daringfireball.markdown; path = README.md; sourceTree = "<group>"; };
 		B907F36A20BB07A700013CBE /* NSString-ISO-8859-1-data.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "NSString-ISO-8859-1-data.txt"; sourceTree = "<group>"; };
 		B91095781EEF237800A71930 /* NSString-UTF16-LE-data.txt */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = "NSString-UTF16-LE-data.txt"; sourceTree = "<group>"; };
@@ -1922,6 +1924,7 @@
 				84BA558D1C16F90900F48C54 /* TestTimeZone.swift */,
 				3E55A2321F52463B00082000 /* TestUnit.swift */,
 				CC5249BF1D341D23007CB54D /* TestUnitConverter.swift */,
+				ABB1293426D4736B00401E6C /* TestUnitInformationStorage.swift */,
 				5D0E1BDA237A1FE800C35C5A /* TestUnitVolume.swift */,
 				EA66F6431BF1619600136161 /* TestURL.swift */,
 				1581706222B1A29100348861 /* TestURLCache.swift */,
@@ -3216,6 +3219,7 @@
 				7D0DE86E211883F500540061 /* TestDateComponents.swift in Sources */,
 				5B13B3351C582D4C00651CE2 /* TestNSKeyedUnarchiver.swift in Sources */,
 				5B13B33D1C582D4C00651CE2 /* TestPipe.swift in Sources */,
+				ABB1293526D4736B00401E6C /* TestUnitInformationStorage.swift in Sources */,
 				F9E0BB371CA70B8000F7FF3C /* TestURLCredential.swift in Sources */,
 				5B13B3341C582D4C00651CE2 /* TestNSKeyedArchiver.swift in Sources */,
 				5B13B3441C582D4C00651CE2 /* TestNSSet.swift in Sources */,

Sources/Foundation/NSObjCRuntime.swift

@@ -313,6 +313,7 @@ internal let _NSClassesRenamedByObjCAPINotes: [(class: AnyClass, objCName: Strin
         (UnitFrequency.self, "NSUnitFrequency"),
         (UnitFuelEfficiency.self, "NSUnitFuelEfficiency"),
         (UnitIlluminance.self, "NSUnitIlluminance"),
+        (UnitInformationStorage.self, "NSUnitInformationStorage"),
         (UnitLength.self, "NSUnitLength"),
         (UnitMass.self, "NSUnitMass"),
         (UnitPower.self, "NSUnitPower"),

Sources/Foundation/Unit.swift

@@ -1457,6 +1457,325 @@ public final class UnitIlluminance : Dimension {
     }
 }
 
+public final class UnitInformationStorage : Dimension {
+
+    /*
+     Base unit - bit
+     */
+
+    private struct Symbol {
+        static let bytes        = "B"
+        static let bits         = "bit"
+        static let nibbles      = "nibble"
+        static let yottabytes   = "YB"
+        static let zettabytes   = "ZB"
+        static let exabytes     = "EB"
+        static let petabytes    = "PB"
+        static let terabytes    = "TB"
+        static let gigabytes    = "GB"
+        static let megabytes    = "MB"
+        static let kilobytes    = "kB"
+
+        static let yottabits    = "Yb"
+        static let zettabits    = "Zb"
+        static let exabits      = "Eb"
+        static let petabits     = "Pb"
+        static let terabits     = "Tb"
+        static let gigabits     = "Gb"
+        static let megabits     = "Mb"
+        static let kilobits     = "kb"
+
+        static let yobibytes    = "YiB"
+        static let zebibytes    = "ZiB"
+        static let exbibytes    = "EiB"
+        static let pebibytes    = "PiB"
+        static let tebibytes    = "TiB"
+        static let gibibytes    = "GiB"
+        static let mebibytes    = "MiB"
+        static let kibibytes    = "KiB"
+
+        static let yobibits     = "Yib"
+        static let zebibits     = "Zib"
+        static let exbibits     = "Eib"
+        static let pebibits     = "Pib"
+        static let tebibits     = "Tib"
+        static let gibibits     = "Gib"
+        static let mebibits     = "Mib"
+        static let kibibits     = "Kib"
+    }
+
+    private struct Coefficient {
+        static let bytes        = 8.0
+        static let bits         = 1.0
+        static let nibbles      = 4.0
+        static let yottabytes   = 8.0*pow(1000.0, 8.0)
+        static let zettabytes   = 8.0*pow(1000.0, 7.0)
+        static let exabytes     = 8.0*pow(1000.0, 6.0)
+        static let petabytes    = 8.0*pow(1000.0, 5.0)
+        static let terabytes    = 8.0*pow(1000.0, 4.0)
+        static let gigabytes    = 8.0*pow(1000.0, 3.0)
+        static let megabytes    = 8.0*pow(1000.0, 2.0)
+        static let kilobytes    = 8.0*1000
+
+        static let yottabits    = pow(1000.0, 8.0)
+        static let zettabits    = pow(1000.0, 7.0)
+        static let exabits      = pow(1000.0, 6.0)
+        static let petabits     = pow(1000.0, 5.0)
+        static let terabits     = pow(1000.0, 4.0)
+        static let gigabits     = pow(1000.0, 3.0)
+        static let megabits     = pow(1000.0, 2.0)
+        static let kilobits     = 1000.0
+
+        static let yobibytes    = 8*pow(1024.0, 8.0)
+        static let zebibytes    = 8*pow(1024.0, 7.0)
+        static let exbibytes    = 8*pow(1024.0, 6.0)
+        static let pebibytes    = 8*pow(1024.0, 5.0)
+        static let tebibytes    = 8*pow(1024.0, 4.0)
+        static let gibibytes    = 8*pow(1024.0, 3.0)
+        static let mebibytes    = 8*pow(1024.0, 2.0)
+        static let kibibytes    = 8*1024.0
+
+        static let yobibits     = pow(1024.0, 8.0)
+        static let zebibits     = pow(1024.0, 7.0)
+        static let exbibits     = pow(1024.0, 6.0)
+        static let pebibits     = pow(1024.0, 5.0)
+        static let tebibits     = pow(1024.0, 4.0)
+        static let gibibits     = pow(1024.0, 3.0)
+        static let mebibits     = pow(1024.0, 2.0)
+        static let kibibits     = 1024.0
+    }
+
+    private convenience init(symbol: String, coefficient: Double) {
+        self.init(symbol: symbol, converter: UnitConverterLinear(coefficient: coefficient))
+    }
+
+    public class var bytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.bytes, coefficient: Coefficient.bytes)
+        }
+    }
+
+    public class var bits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.bits, coefficient: Coefficient.bits)
+        }
+    }
+
+    public class var nibbles: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.nibbles, coefficient: Coefficient.nibbles)
+        }
+    }
+
+    public class var yottabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.yottabytes, coefficient: Coefficient.yottabytes)
+        }
+    }
+
+    public class var zettabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.zettabytes, coefficient: Coefficient.zettabytes)
+        }
+    }
+
+    public class var exabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.exabytes, coefficient: Coefficient.exabytes)
+        }
+    }
+
+    public class var petabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.petabytes, coefficient: Coefficient.petabytes)
+        }
+    }
+
+    public class var terabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.terabytes, coefficient: Coefficient.terabytes)
+        }
+    }
+
+    public class var gigabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.gigabytes, coefficient: Coefficient.gigabytes)
+        }
+    }
+
+    public class var megabytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.megabytes, coefficient: Coefficient.megabytes)
+        }
+    }
+
+    public class var kilobytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.kilobytes, coefficient: Coefficient.kilobytes)
+        }
+    }
+
+    public class var yottabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.yottabits, coefficient: Coefficient.yottabits)
+        }
+    }
+
+    public class var zettabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.zettabits, coefficient: Coefficient.zettabits)
+        }
+    }
+
+    public class var exabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.exabits, coefficient: Coefficient.exabits)
+        }
+    }
+
+    public class var petabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.petabits, coefficient: Coefficient.petabits)
+        }
+    }
+
+    public class var terabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.terabits, coefficient: Coefficient.terabits)
+        }
+    }
+
+    public class var gigabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.gigabits, coefficient: Coefficient.gigabits)
+        }
+    }
+
+    public class var megabits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.megabits, coefficient: Coefficient.megabits)
+        }
+    }
+
+    public class var kilobits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.kilobits, coefficient: Coefficient.kilobits)
+        }
+    }
+
+    public class var yobibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.yobibytes, coefficient: Coefficient.yobibytes)
+        }
+    }
+
+    public class var zebibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.zebibytes, coefficient: Coefficient.zebibytes)
+        }
+    }
+
+    public class var exbibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.exbibytes, coefficient: Coefficient.exbibytes)
+        }
+    }
+
+    public class var pebibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.pebibytes, coefficient: Coefficient.pebibytes)
+        }
+    }
+
+    public class var tebibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.tebibytes, coefficient: Coefficient.tebibytes)
+        }
+    }
+
+    public class var gibibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.gibibytes, coefficient: Coefficient.gibibytes)
+        }
+    }
+
+    public class var mebibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.mebibytes, coefficient: Coefficient.mebibytes)
+        }
+    }
+
+    public class var kibibytes: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.kibibytes, coefficient: Coefficient.kibibytes)
+        }
+    }
+
+    public class var yobibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.yobibits, coefficient: Coefficient.yobibits)
+        }
+    }
+
+    public class var zebibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.zebibits, coefficient: Coefficient.zebibits)
+        }
+    }
+
+    public class var exbibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.exbibits, coefficient: Coefficient.exbibits)
+        }
+    }
+
+    public class var pebibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.pebibits, coefficient: Coefficient.pebibits)
+        }
+    }
+
+    public class var tebibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.tebibits, coefficient: Coefficient.tebibits)
+        }
+    }
+
+    public class var gibibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.gibibits, coefficient: Coefficient.gibibits)
+        }
+    }
+
+    public class var mebibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.mebibits, coefficient: Coefficient.mebibits)
+        }
+    }
+
+    public class var kibibits: UnitInformationStorage {
+        get {
+            return UnitInformationStorage(symbol: Symbol.kibibits, coefficient: Coefficient.kibibits)
+        }
+    }
+
+    public override class func baseUnit() -> UnitInformationStorage {
+        return .bits
+    }
+
+    public override func isEqual(_ object: Any?) -> Bool {
+        guard let other = object as? UnitInformationStorage else {
+            return false
+        }
+
+        if self === other {
+            return true
+        }
+
+        return super.isEqual(object)
+    }
+}
+
 public final class UnitMass : Dimension {
 
     /*