Add program log

Source/GrasscutterTools/Utils/Logger.cs

@@ -0,0 +1,52 @@
+/**
+ *  Grasscutter Tools
+ *  Copyright (C) 2022 jie65535
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ **/
+
+using System;
+using System.IO;
+using System.Windows.Forms;
+
+namespace GrasscutterTools.Utils
+{
+    public static class Logger
+    {
+        private static readonly string LogPath = Path.Combine(Path.GetDirectoryName(Application.ExecutablePath), $"GcTools-{DateTime.Now:MMdd}.log");
+
+        private static void Write(string message)
+        {
+#if DEBUG
+            Console.WriteLine($"{DateTime.Now:mm:ss.fff} {message}");
+#else
+            // Test log
+            //File.AppendAllText(LogPath, $"{DateTime.Now:mm:ss.fff} {message}{Environment.NewLine}");
+#endif
+        }
+
+        private static void Write(string level, string tag, string message) => Write($"<{level}:{tag}> {message}");
+
+        public static void I(string tag, string info) => Write("INFO", tag, info);
+
+        public static void W(string tag, string message) => Write("WARR", tag, message);
+
+        public static void W(string tag, string message, Exception ex) => Write("WARR", tag, $"{message} {ex}");
+
+        public static void E(string tag, string message) => Write("ERROR", tag, message);
+
+        public static void E(string tag, string message, Exception ex) => Write("ERROR", tag, $"{message} {ex}");
+    }
+}