/*
 * The MIT License (MIT)
 *
 * Copyright (C) 2017, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
 * All rights reserved.
 *
 * Original Inspiration & Author
 * Copyright (c) 2016 Luke Zhao <me@lkzhao.com>
 *
 * 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.
 */

import UIKit

fileprivate let parameterRegex = "(?:\\-?\\d+(\\.?\\d+)?)|\\w+"
fileprivate let transitionsRegex = "(\\w+)(?:\\(([^\\)]*)\\))?"

internal extension NSObject {
    /// Copies an object using NSKeyedArchiver.
    func copyWithArchiver() -> Any? {
        return NSKeyedUnarchiver.unarchiveObject(with: NSKeyedArchiver.archivedData(withRootObject: self))!
    }
}

internal extension UIColor {
    /// A tuple of the rgba components.
    var components: (r: CGFloat, g: CGFloat, b: CGFloat, a: CGFloat) {
        var r: CGFloat = 0
        var g: CGFloat = 0
        var b: CGFloat = 0
        var a: CGFloat = 0
        
        getRed(&r, green: &g, blue: &b, alpha: &a)
        
        return (r, g, b, a)
    }
    
    /// The alpha component value.
    var alphaComponent: CGFloat {
        return components.a
    }
}
