38 lines
1.1 KiB
Swift
38 lines
1.1 KiB
Swift
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// String+Extensions.swift
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// NotificationService
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//
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// Created by Djorkaeff Alexandre Vilela Pereira on 8/6/20.
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// Copyright © 2020 Rocket.Chat. All rights reserved.
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//
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import Foundation
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extension String {
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func toHex() -> String {
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return unicodeScalars.map{ .init($0.value, radix: 16, uppercase: false) }.joined()
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}
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func toData() -> Data? {
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// Add padding if needed
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var base64Encoded = self.padding(toLength: ((self.count + 3) / 4) * 4, withPad: "=", startingAt: 0)
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// Decode URL safe encoded base64
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base64Encoded = base64Encoded.replacingOccurrences(of: "-", with: "+").replacingOccurrences(of: "_", with: "/")
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return Data(base64Encoded: base64Encoded, options: .ignoreUnknownCharacters)
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}
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func removeTrailingSlash() -> String {
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var url = self
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if (url.last == "/") {
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url.removeLast()
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}
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return url
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}
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static func random(length: Int) -> String {
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let letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
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return String((0..<length).map{ _ in letters.randomElement()! })
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}
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}
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