URLBox.swift

//
//  URLBox.swift
//  XMLCoder
//
//  Created by Vincent Esche on 12/21/18.
//

import Foundation

struct URLBox: Equatable {
    typealias Unboxed = URL
    
    let unboxed: Unboxed
    
    init(_ unboxed: Unboxed) {
        self.unboxed = unboxed
    }
    
    init?(xmlString: String) {
        guard let unboxed = Unboxed(string: xmlString) else {
            return nil
        }
        self.init(unboxed)
    }
    
    func unbox() -> Unboxed {
        return self.unboxed
    }
}

extension URLBox: Box {
    var isNull: Bool {
        return false
    }
    
    var isFragment: Bool {
        return true
    }

    func xmlString() -> String? {
        return self.unboxed.absoluteString
    }
}

extension URLBox: SimpleBox {
    
}

extension URLBox: CustomStringConvertible {
    var description: String {
        return self.unboxed.description
    }
}