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Pods/SQLite.swift/Sources/SQLite/Core/Blob.swift

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+//
+// SQLite.swift
+// https://github.com/stephencelis/SQLite.swift
+// Copyright © 2014-2015 Stephen Celis.
+//
+// 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.
+//
+
+public struct Blob {
+
+    public let bytes: [UInt8]
+
+    public init(bytes: [UInt8]) {
+        self.bytes = bytes
+    }
+
+    public init(bytes: UnsafeRawPointer, length: Int) {
+        let i8bufptr = UnsafeBufferPointer(start: bytes.assumingMemoryBound(to: UInt8.self), count: length)
+        self.init(bytes: [UInt8](i8bufptr))
+    }
+
+    public func toHex() -> String {
+        return bytes.map {
+            ($0 < 16 ? "0" : "") + String($0, radix: 16, uppercase: false)
+        }.joined(separator: "")
+    }
+
+}
+
+extension Blob : CustomStringConvertible {
+
+    public var description: String {
+        return "x'\(toHex())'"
+    }
+
+}
+
+extension Blob : Equatable {
+
+}
+
+public func ==(lhs: Blob, rhs: Blob) -> Bool {
+    return lhs.bytes == rhs.bytes
+}