mastodon-ios/Mastodon/Extension/String.swift

41 lines
901 B
Swift

//
// String.swift
// Mastodon
//
// Created by sxiaojian on 2021/3/2.
//
import Foundation
extension String {
func capitalizingFirstLetter() -> String {
return prefix(1).capitalized + dropFirst()
}
mutating func capitalizeFirstLetter() {
self = self.capitalizingFirstLetter()
}
}
extension String {
static func normalize(base64String: String) -> String {
let base64 = base64String
.replacingOccurrences(of: "-", with: "+")
.replacingOccurrences(of: "_", with: "/")
.padding()
return base64
}
private func padding() -> String {
let remainder = self.count % 4
if remainder > 0 {
return self.padding(
toLength: self.count + 4 - remainder,
withPad: "=",
startingAt: 0
)
}
return self
}
}