Convert logging to be event-based

SabreTools.Library/Logging/LogEventArgs.cs

@@ -0,0 +1,61 @@
+using System;
+
+namespace SabreTools.Library.Logging
+{
+    /// <summary>
+    /// Generic delegate type for log events
+    /// </summary>
+    public delegate void LogEventHandler(object sender, LogEventArgs args);
+
+    /// <summary>
+    /// Logging specific event arguments
+    /// </summary>
+    public class LogEventArgs : EventArgs
+    {
+        /// <summary>
+        /// LogLevel for the event
+        /// </summary>
+        public LogLevel LogLevel { get; set; } = LogLevel.VERBOSE;
+
+        /// <summary>
+        /// Log statement to be printed
+        /// </summary>
+        public string Statement { get; set; } = null;
+
+        /// <summary>
+        /// Exception to be passed along to the event handler
+        /// </summary>
+        public Exception Exception { get; set; } = null;
+
+        /// <summary>
+        /// Total count for progress log events
+        /// </summary>
+        public long? TotalCount { get; set; } = null;
+
+        /// <summary>
+        /// Current count for progress log events
+        /// </summary>
+        public long? CurrentCount { get; set; } = null;
+
+        /// <summary>
+        /// Statement and exception constructor
+        /// </summary>
+        public LogEventArgs(LogLevel logLevel = LogLevel.VERBOSE, string statement = null, Exception exception = null)
+        {
+            this.LogLevel = logLevel;
+            this.Statement = statement;
+            this.Exception = exception;
+        }
+
+        /// <summary>
+        /// Progress constructor
+        /// </summary>
+        public LogEventArgs(long total, long current, LogLevel logLevel = LogLevel.VERBOSE, string statement = null)
+        {
+            this.LogLevel = logLevel;
+            this.Statement = statement;
+            this.TotalCount = total;
+            this.CurrentCount = current;
+        }
+    }
+}