added iOS source code

[wl-app.git] / iOS / Pods / OAuthSwift / Sources / Collection+OAuthSwift.swift

diff --git a/iOS/Pods/OAuthSwift/Sources/Collection+OAuthSwift.swift b/iOS/Pods/OAuthSwift/Sources/Collection+OAuthSwift.swift
new file mode 100644 (file)
index 0000000..72b6cea
--- /dev/null
+++ b/iOS/Pods/OAuthSwift/Sources/Collection+OAuthSwift.swift
@@ -0,0 +1,34 @@
+//
+//  Collection+OAuthSwift.swift
+//  OAuthSwift
+//
+//  Created by phimage on 02/10/16.
+//  Copyright © 2016 Dongri Jin. All rights reserved.
+//
+
+import Foundation
+
+extension Collection where Self.Iterator.Element == UInt8, Self.Index == Int {
+
+    var toUInt32: UInt32 {
+        assert(self.count > 3)
+        // XXX optimize do the job only for the first one...
+        return toUInt32Array()[0]
+    }
+
+    func toUInt32Array() -> [UInt32] {
+        var result = [UInt32]()
+        result.reserveCapacity(16)
+        for idx in stride(from: self.startIndex, to: self.endIndex, by: MemoryLayout<UInt32>.size) {
+            var val: UInt32 = 0
+            val |= self.count > 3 ? UInt32(self[idx.advanced(by: 3)]) << 24 : 0
+            val |= self.count > 2 ? UInt32(self[idx.advanced(by: 2)]) << 16 : 0
+            val |= self.count > 1 ? UInt32(self[idx.advanced(by: 1)]) << 8  : 0
+            //swiftlint:disable:next empty_count
+            val |= self.count > 0 ? UInt32(self[idx]) : 0
+            result.append(val)
+        }
+
+        return result
+    }
+}