initial commit

Resources/3rd Party/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Entities/EventIDLogImpl.cs

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+using log4net.Core;
+
+namespace Microsoft.Extensions.Logging.Log4Net.AspNetCore.Entities;
+
+// ref: http://svn.apache.org/viewvc/logging/log4net/trunk/examples/net/2.0/Extensibility/EventIDLogApp/cs/src/
+public class EventIDLogImpl : LogImpl, IEventIDLog
+{
+    public EventIDLogImpl(log4net.Core.ILogger logger) : base(logger) { /* skip */ }
+
+    #region Implementation of IEventIDLog
+
+    public void Log(EventId eventId, LoggingEvent loggingEvent)
+    {
+        // is the EventId empty?
+        if (!(eventId.Id == 0 && string.IsNullOrWhiteSpace(eventId.Name)))
+            loggingEvent.Properties[nameof(EventId)] = eventId;
+
+        Logger.Log(loggingEvent);
+    }
+
+    #endregion
+}

Resources/3rd Party/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Entities/IEventIDLog .cs

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+using log4net;
+using log4net.Core;
+
+namespace Microsoft.Extensions.Logging.Log4Net.AspNetCore.Entities;
+
+public interface IEventIDLog : ILog
+{
+    void Log(EventId eventId, LoggingEvent loggingEvent);
+}

Resources/3rd Party/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Entities/MessageCandidate.cs

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+using System;
+
+namespace Microsoft.Extensions.Logging.Log4Net.AspNetCore.Entities
+{
+    /// <summary>
+    /// Represents a candidate for a log message that should be printed. This candidate will either be accepted or denied by the logger that is trying to print it.
+    /// </summary>
+    /// <remarks>
+    /// <para>
+    /// This is a readonly struct to reduce memory pressure, but because it is quite large (definitly larger than the recommended 16 bytes)
+    /// it needs to be passed as a reference (with the in keyword) to make a difference.
+    /// </para>
+    /// <para>
+    /// See <see href="https://devblogs.microsoft.com/premier-developer/the-in-modifier-and-the-readonly-structs-in-c/"/> for more information.
+    /// </para>
+    /// </remarks>
+    /// <typeparam name="TState">Type of the state that is used to format the error message.</typeparam>
+    public readonly struct MessageCandidate<TState>
+    {
+        public MessageCandidate(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
+        {
+            State = state;
+            LogLevel = logLevel;
+            EventId = eventId;
+            Exception = exception;
+            Formatter = formatter;
+        }
+
+        /// <summary>
+        /// The log level the message should be printed with.
+        /// </summary>
+        public LogLevel LogLevel { get; }
+
+        /// <summary>
+        /// The event id of the message.
+        /// </summary>
+        public EventId EventId { get; }
+
+        /// <summary>
+        /// The message state. Can be provided to the formatter to generate the string representation of the error message.
+        /// </summary>
+        public TState State { get; }
+
+        /// <summary>
+        /// Exception that should be printed with the message. Null if the log message has no corrosponding exception.
+        /// </summary>
+        public Exception Exception { get; }
+
+        /// <summary>
+        /// The message formatter. Can be called with the state and exception to generate the string representation of the error message.
+        /// </summary>
+        public Func<TState, Exception, string> Formatter { get; }
+    }
+}

Resources/3rd Party/Microsoft.Extensions.Logging.Log4Net.AspNetCore/Entities/NodeInfo.cs

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+using System.Collections.Generic;
+
+namespace Microsoft.Extensions.Logging.Log4Net.AspNetCore.Entities
+{
+    /// <summary>
+    ///  Class to store information of a log4net xml config file node.
+    /// </summary>
+    public class NodeInfo
+    {
+        /// <summary>
+        /// Gets or sets the x path to find the node to override.
+        /// </summary>
+        /// <value>
+        /// The x path.
+        /// </value>
+        public string XPath { get; set; }
+
+        /// <summary>
+        /// Gets or sets the content of the node.
+        /// </summary>
+        /// <value>
+        /// The content of the node.
+        /// </value>
+        public string NodeContent { get; set; }
+
+        /// <summary>
+        /// Gets or sets the attributes.
+        /// </summary>
+        /// <value>
+        /// The attributes.
+        /// </value>
+        public Dictionary<string, string> Attributes { get; set; }
+    }
+}