添加项目文件。

TightWiki.Engine.Library/Interfaces/IExceptionHandler.cs

@@ -0,0 +1,16 @@
+namespace TightWiki.Engine.Library.Interfaces
+{
+    /// <summary>
+    /// Handles exceptions thrown by the wiki engine.
+    /// </summary>
+    public interface IExceptionHandler
+    {
+        /// <summary>
+        /// Called when an exception is thrown by the wiki engine.
+        /// </summary>
+        /// <param name="state">Reference to the wiki state object</param>
+        /// <param name="ex">Optional exception, in the case that this was an actual exception.</param>
+        /// <param name="customText">Text that accompanies the exception.</param>
+        public void Log(ITightEngineState state, Exception? ex, string customText);
+    }
+}