v0.90.10

AssetStudio/ILogger.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 
@@ -34,4 +35,39 @@ namespace AssetStudio
             Console.WriteLine("[{0}] {1}", loggerEvent, message);
         }
     }
+
+    public sealed class FileLogger : ILogger
+    {
+        private const string LogFileName = "log.txt";
+        private const string PrevLogFileName = "log_prev.txt";
+        private readonly object LockWriter = new object();
+
+        public StreamWriter Writer;
+
+        public FileLogger()
+        {
+            var logPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, LogFileName);
+            var prevLogPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, PrevLogFileName);
+
+            if (File.Exists(logPath))
+            {
+                File.Move(logPath, prevLogPath, true);
+            }
+            Writer = new StreamWriter(logPath, true) { AutoFlush = true };
+        }
+        ~FileLogger()
+        {
+            Writer?.Dispose();
+        }
+        public void Log(LoggerEvent loggerEvent, string message, bool silent = false)
+        {
+            if (silent)
+                return;
+
+            lock (LockWriter)
+            {
+                Writer.WriteLine($"[{DateTime.Now}][{loggerEvent}] {message}");
+            }
+        }
+    }
 }