socket.io-client-swift/Source/SocketLogger.swift
Erik 1ff8e11a1f
Document SocketIOClientSwift
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2017-05-06 14:41:50 -04:00

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Swift

//
// SocketLogger.swift
// Socket.IO-Client-Swift
//
// Created by Erik Little on 4/11/15.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import Foundation
/// Represents a class will log client events.
public protocol SocketLogger : class {
// MARK: Properties
/// Whether to log or not
var log: Bool { get set }
// MARK: Methods
/// Normal log messages
///
/// - parameter message: The message being logged. Can include `%@` that will be replaced with `args`
/// - parameter type: The type of entity that called for logging.
/// - parameter args: Any args that should be inserted into the message. May be left out.
func log(_ message: String, type: String, args: Any...)
/// Error Messages
///
/// - parameter message: The message being logged. Can include `%@` that will be replaced with `args`
/// - parameter type: The type of entity that called for logging.
/// - parameter args: Any args that should be inserted into the message. May be left out.
func error(_ message: String, type: String, args: Any...)
}
public extension SocketLogger {
/// Default implementation.
func log(_ message: String, type: String, args: Any...) {
abstractLog("LOG", message: message, type: type, args: args)
}
/// Default implementation.
func error(_ message: String, type: String, args: Any...) {
abstractLog("ERROR", message: message, type: type, args: args)
}
private func abstractLog(_ logType: String, message: String, type: String, args: [Any]) {
guard log else { return }
let newArgs = args.map({arg -> CVarArg in String(describing: arg)})
let messageFormat = String(format: message, arguments: newArgs)
NSLog("\(logType) \(type): %@", messageFormat)
}
}
class DefaultSocketLogger : SocketLogger {
static var Logger: SocketLogger = DefaultSocketLogger()
var log = false
}