Initial commit; substitutions can be reviewed, no further functionality implemented yet

Pods/SwiftSoup/Sources/UnicodeScalar.swift

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+//
+//  UnicodeScalar.swift
+//  SwiftSoup
+//
+//  Created by Nabil Chatbi on 14/11/16.
+//  Copyright © 2016 Nabil Chatbi. All rights reserved.
+//
+
+import Foundation
+
+private let uppercaseSet = CharacterSet.uppercaseLetters
+private let lowercaseSet = CharacterSet.lowercaseLetters
+private let alphaSet = CharacterSet.letters
+private let alphaNumericSet = CharacterSet.alphanumerics
+private let symbolSet = CharacterSet.symbols
+private let digitSet = CharacterSet.decimalDigits
+
+extension UnicodeScalar {
+    public static let Ampersand: UnicodeScalar = "&"
+    public static let LessThan: UnicodeScalar = "<"
+    public static let GreaterThan: UnicodeScalar = ">"
+
+    public static let Space: UnicodeScalar = " "
+	public static let BackslashF: UnicodeScalar = UnicodeScalar(12)
+    public static let BackslashT: UnicodeScalar = "\t"
+    public static let BackslashN: UnicodeScalar = "\n"
+    public static let BackslashR: UnicodeScalar = "\r"
+    public static let Slash: UnicodeScalar = "/"
+
+    public static let FormFeed: UnicodeScalar = "\u{000B}"// Form Feed
+    public static let VerticalTab: UnicodeScalar = "\u{000C}"// vertical tab
+
+	func isMemberOfCharacterSet(_ set: CharacterSet) -> Bool {
+		return set.contains(self)
+	}
+
+	/// True for any space character, and the control characters \t, \n, \r, \f, \v.
+	var isWhitespace: Bool {
+
+		switch self {
+
+		case UnicodeScalar.Space, UnicodeScalar.BackslashT, UnicodeScalar.BackslashN, UnicodeScalar.BackslashR, UnicodeScalar.BackslashF: return true
+
+		case UnicodeScalar.FormFeed, UnicodeScalar.VerticalTab: return true // Form Feed, vertical tab
+
+		default: return false
+
+		}
+
+	}
+
+	/// `true` if `self` normalized contains a single code unit that is in the categories of Uppercase and Titlecase Letters.
+	var isUppercase: Bool {
+		return isMemberOfCharacterSet(uppercaseSet)
+	}
+
+	/// `true` if `self` normalized contains a single code unit that is in the category of Lowercase Letters.
+	var isLowercase: Bool {
+		return isMemberOfCharacterSet(lowercaseSet)
+
+	}
+
+	var uppercase: UnicodeScalar {
+		let str = String(self).uppercased()
+		return str.unicodeScalar(0)
+	}
+}