mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-24 00:30:51 +01:00
54 lines
1.7 KiB
Swift
54 lines
1.7 KiB
Swift
//
|
|
// URL-Extensions.swift
|
|
// NetNewsWire
|
|
//
|
|
// Created by Stuart Breckenridge on 03/05/2020.
|
|
// Copyright © 2020 Ranchero Software. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
extension URL {
|
|
|
|
/// Extracts email address from a `URL` with a `mailto` scheme, otherwise `nil`.
|
|
var emailAddress: String? {
|
|
scheme == "mailto" ? URLComponents(url: self, resolvingAgainstBaseURL: false)?.path : nil
|
|
}
|
|
|
|
/// Percent encoded `mailto` URL for use with `canOpenUrl`. If the URL doesn't contain the `mailto` scheme, this is `nil`.
|
|
var percentEncodedEmailAddress: URL? {
|
|
guard scheme == "mailto" else {
|
|
return nil
|
|
}
|
|
guard let urlString = absoluteString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed) else {
|
|
return nil
|
|
}
|
|
return URL(string: urlString)
|
|
}
|
|
|
|
/// Reverse chronological list of release notes.
|
|
static let releaseNotes = URL(string: "https://github.com/Ranchero-Software/NetNewsWire/releases/")!
|
|
|
|
func valueFor(_ parameter: String) -> String? {
|
|
guard let components = URLComponents(url: self, resolvingAgainstBaseURL: false),
|
|
let queryItems = components.queryItems,
|
|
let value = queryItems.first(where: { $0.name == parameter })?.value else {
|
|
return nil
|
|
}
|
|
return value
|
|
|
|
}
|
|
|
|
static func reparingIfRequired(_ link: String?) -> URL? {
|
|
// If required, we replace any space characters to handle malformed links that are otherwise percent
|
|
// encoded but contain spaces. For performance reasons, only try this if initial URL init fails.
|
|
guard let link = link, !link.isEmpty else { return nil }
|
|
if let url = URL(string: link) {
|
|
return url
|
|
} else {
|
|
return URL(string: link.replacingOccurrences(of: " ", with: "%20"))
|
|
}
|
|
}
|
|
|
|
}
|