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added proper ways to get and set the console color of ConsoleSink

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Ell 2021-07-14 23:20:30 +02:00
parent 67958a937f
commit f6db44c507
1 changed files with 39 additions and 16 deletions
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55
ExtremelySimpleLogger/ConsoleSink.cs
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@ -1,4 +1,5 @@
using System;
using System.Collections.Generic;
namespace ExtremelySimpleLogger {
/// <summary>
@ -7,15 +8,42 @@ namespace ExtremelySimpleLogger {
public class ConsoleSink : Sink {
/// <summary>
/// The <see cref="ConsoleColor"/> that this console sink should use when printing messages with the <see cref="LogLevel.Warn"/> log level.
/// The <see cref="ConsoleColors"/> that each <see cref="LogLevel"/> is displayed with using this console sink.
/// To edit and query this collection, use <see cref="SetColor"/> and <see cref="GetColor"/>.
/// </summary>
public ConsoleColor WarnColor { get; set; } = ConsoleColor.DarkYellow;
/// <summary>
/// The <see cref="ConsoleColor"/> that this console sink should use when printing messages with the <see cref="LogLevel.Error"/> and <see cref="LogLevel.Fatal"/> log levels.
/// </summary>
public ConsoleColor ErrorColor { get; set; } = ConsoleColor.DarkRed;
protected readonly Dictionary<LogLevel, ConsoleColor> ConsoleColors = new Dictionary<LogLevel, ConsoleColor> {
{LogLevel.Warn, ConsoleColor.DarkYellow},
{LogLevel.Error, ConsoleColor.DarkRed},
{LogLevel.Fatal, ConsoleColor.DarkRed}
};
private readonly object locker = new object();
/// <summary>
/// Sets the <see cref="ConsoleColor"/> that text with the given <see cref="LogLevel"/> should be displayed with.
/// To set the default color for the log level, simply pass a <see cref="Nullable{ConsoleColor}"/> with no value to <paramref name="color"/>.
/// </summary>
/// <param name="level">The log level to set the color for</param>
/// <param name="color">The color to use, or a <see cref="Nullable{ConsoleColor}"/> with no value to clear the current color</param>
public virtual void SetColor(LogLevel level, ConsoleColor? color) {
if (color.HasValue) {
this.ConsoleColors[level] = color.Value;
} else {
this.ConsoleColors.Remove(level);
}
}
/// <summary>
/// Returns the <see cref="ConsoleColor"/> that text with the given <see cref="LogLevel"/> is displayed with.
/// If text is displayed with the default console color, a <see cref="Nullable{ConsoleColor}"/> without a value is returned.
/// </summary>
/// <param name="level">The log level whose color to query</param>
/// <returns>The console color that text with the log level is displayed with, or a <see cref="Nullable{ConsoleColor}"/> with no value if no color is set</returns>
public virtual ConsoleColor? GetColor(LogLevel level) {
if (this.ConsoleColors.TryGetValue(level, out var color))
return color;
return null;
}
/// <summary>
/// Logs the given message, which has already been formatted using <see cref="Sink.Formatter"/>.
/// </summary>
@ -24,17 +52,12 @@ namespace ExtremelySimpleLogger {
/// <param name="s">The message to log</param>
protected override void Log(Logger logger, LogLevel level, string s) {
lock (this.locker) {
switch (level) {
case LogLevel.Warn:
Console.ForegroundColor = this.WarnColor;
break;
case LogLevel.Error:
case LogLevel.Fatal:
Console.ForegroundColor = this.ErrorColor;
break;
}
var hasColor = this.ConsoleColors.TryGetValue(level, out var color);
if (hasColor)
Console.ForegroundColor = color;
Console.WriteLine(s);
Console.ResetColor();
if (hasColor)
Console.ResetColor();
}
}