| import Foundation |
|
|
| struct SettingsHostPort: Equatable { |
| var host: String |
| var port: Int |
| } |
|
|
| enum SettingsNetworkingHelpers { |
| static func parseHostPort(from address: String) -> SettingsHostPort? { |
| let trimmed = address.trimmingCharacters(in: .whitespacesAndNewlines) |
| guard !trimmed.isEmpty else { return nil } |
|
|
| if trimmed.hasPrefix("["), |
| let close = trimmed.firstIndex(of: "]"), |
| close < trimmed.endIndex |
| { |
| let host = String(trimmed[trimmed.index(after: trimmed.startIndex)..<close]) |
| let portStart = trimmed.index(after: close) |
| guard portStart < trimmed.endIndex, trimmed[portStart] == ":" else { return nil } |
| let portString = String(trimmed[trimmed.index(after: portStart)...]) |
| guard let port = Int(portString) else { return nil } |
| return SettingsHostPort(host: host, port: port) |
| } |
|
|
| guard let colon = trimmed.lastIndex(of: ":") else { return nil } |
| let host = String(trimmed[..<colon]) |
| let portString = String(trimmed[trimmed.index(after: colon)...]) |
| guard !host.isEmpty, let port = Int(portString) else { return nil } |
| return SettingsHostPort(host: host, port: port) |
| } |
|
|
| static func httpURLString(host: String?, port: Int?, fallback: String) -> String { |
| if let host, let port { |
| let needsBrackets = host.contains(":") && !host.hasPrefix("[") && !host.hasSuffix("]") |
| let hostPart = needsBrackets ? "[\(host)]" : host |
| return "http://\(hostPart):\(port)" |
| } |
| return "http://\(fallback)" |
| } |
| } |
|
|
