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194 lines
6.9 KiB
194 lines
6.9 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace IPA.Logging
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{
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/// <summary>
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/// The logger base class. Provides the format for console logs.
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/// </summary>
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public abstract class Logger
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{
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private static Logger _log;
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internal static Logger log
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{
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get
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{
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if (_log == null)
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_log = new StandardLogger("IPA");
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return _log;
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}
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}
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internal static bool LogCreated => _log != null;
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/// <summary>
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/// The standard format for log messages.
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/// </summary>
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public static string LogFormat { get; protected internal set; } = "[{3} @ {2:HH:mm:ss} | {1}] {0}";
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/// <summary>
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/// An enum specifying the level of the message. Resembles Syslog.
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/// </summary>
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public enum Level : byte
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{
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/// <summary>
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/// No associated level. These never get shown.
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/// </summary>
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None = 0,
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/// <summary>
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/// A debug message.
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/// </summary>
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Debug = 1,
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/// <summary>
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/// An informational message.
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/// </summary>
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Info = 2,
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/// <summary>
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/// A warning message.
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/// </summary>
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Warning = 4,
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/// <summary>
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/// An error message.
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/// </summary>
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Error = 8,
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/// <summary>
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/// A critical error message.
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/// </summary>
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Critical = 16
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}
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/// <summary>
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/// An enum providing log level filters.
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/// </summary>
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[Flags]
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public enum LogLevel : byte
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{
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/// <summary>
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/// Allow no messages through.
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/// </summary>
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None = Level.None,
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/// <summary>
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/// Only shows Debug messages.
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/// </summary>
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DebugOnly = Level.Debug,
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/// <summary>
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/// Only shows info messages.
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/// </summary>
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InfoOnly = Level.Info,
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/// <summary>
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/// Only shows Warning messages.
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/// </summary>
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WarningOnly = Level.Warning,
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/// <summary>
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/// Only shows Error messages.
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/// </summary>
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ErrorOnly = Level.Error,
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/// <summary>
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/// Only shows Critical messages.
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/// </summary>
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CriticalOnly = Level.Critical,
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/// <summary>
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/// Shows all messages error and up.
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/// </summary>
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ErrorUp = ErrorOnly | CriticalOnly,
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/// <summary>
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/// Shows all messages warning and up.
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/// </summary>
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WarningUp = WarningOnly | ErrorUp,
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/// <summary>
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/// Shows all messages info and up.
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/// </summary>
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InfoUp = InfoOnly | WarningUp,
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/// <summary>
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/// Shows all messages.
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/// </summary>
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All = DebugOnly | InfoUp,
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}
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/// <summary>
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/// A basic log function.
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/// </summary>
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/// <param name="level">the level of the message</param>
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/// <param name="message">the message to log</param>
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public abstract void Log(Level level, string message);
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/// <summary>
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/// A basic log function taking an exception to log.
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/// </summary>
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/// <param name="level">the level of the message</param>
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/// <param name="exeption">the exception to log</param>
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public virtual void Log(Level level, Exception exeption) => Log(level, exeption.ToString());
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/// <summary>
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/// Sends a debug message.
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/// Equivalent to Log(Level.Debug, message);
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/// <see cref="Log(Level, string)"/>
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/// </summary>
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/// <param name="message">the message to log</param>
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public virtual void Debug(string message) => Log(Level.Debug, message);
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/// <summary>
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/// Sends an exception as a debug message.
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/// Equivalent to Log(Level.Debug, e);
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/// <see cref="Log(Level, Exception)"/>
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/// </summary>
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/// <param name="e">the exception to log</param>
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public virtual void Debug(Exception e) => Log(Level.Debug, e);
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/// <summary>
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/// Sends an info message.
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/// Equivalent to Log(Level.Info, message).
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/// <see cref="Log(Level, string)"/>
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/// </summary>
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/// <param name="message">the message to log</param>
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public virtual void Info(string message) => Log(Level.Info, message);
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/// <summary>
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/// Sends an exception as an info message.
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/// Equivalent to Log(Level.Info, e);
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/// <see cref="Log(Level, Exception)"/>
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/// </summary>
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/// <param name="e">the exception to log</param>
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public virtual void Info(Exception e) => Log(Level.Info, e);
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/// <summary>
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/// Sends a warning message.
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/// Equivalent to Log(Level.Warning, message).
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/// <see cref="Log(Level, string)"/>
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/// </summary>
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/// <param name="message">the message to log</param>
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public virtual void Warn(string message) => Log(Level.Warning, message);
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/// <summary>
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/// Sends an exception as a warning message.
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/// Equivalent to Log(Level.Warning, e);
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/// <see cref="Log(Level, Exception)"/>
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/// </summary>
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/// <param name="e">the exception to log</param>
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public virtual void Warn(Exception e) => Log(Level.Warning, e);
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/// <summary>
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/// Sends an error message.
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/// Equivalent to Log(Level.Error, message).
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/// <see cref="Log(Level, string)"/>
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/// </summary>
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/// <param name="message">the message to log</param>
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public virtual void Error(string message) => Log(Level.Error, message);
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/// <summary>
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/// Sends an exception as an error message.
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/// Equivalent to Log(Level.Error, e);
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/// <see cref="Log(Level, Exception)"/>
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/// </summary>
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/// <param name="e">the exception to log</param>
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public virtual void Error(Exception e) => Log(Level.Error, e);
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/// <summary>
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/// Sends a critical message.
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/// Equivalent to Log(Level.Critical, message).
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/// <see cref="Log(Level, string)"/>
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/// </summary>
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/// <param name="message">the message to log</param>
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public virtual void Critical(string message) => Log(Level.Critical, message);
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/// <summary>
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/// Sends an exception as a critical message.
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/// Equivalent to Log(Level.Critical, e);
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/// <see cref="Log(Level, Exception)"/>
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/// </summary>
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/// <param name="e">the exception to log</param>
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public virtual void Critical(Exception e) => Log(Level.Critical, e);
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}
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}
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