LogData.cs

#region License
/*
 * LogData.cs
 *
 * The MIT License
 *
 * Copyright (c) 2013-2015 sta.blockhead
 * Copyright © 2016 Nivloc Enterprises Ltd
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#endregion

using System;
using System.Diagnostics;
using System.Text;
#if SSHARP
using Crestron.SimplSharp.Reflection;
#endif

namespace WebSocketSharp
	{
	/// <summary>
	/// Represents a log data used by the <see cref="Logger"/> class.
	/// </summary>
	public class LogData
		{
		#region Private Fields

#if NETCF
		private string _caller;
#else
		private StackFrame _caller;
#endif
		private DateTime _date;
		private LogLevel _level;
		private string _message;

		#endregion

		#region Internal Constructors

		internal LogData (LogLevel level,
#if NETCF
			string caller,
#else
			StackFrame caller,
#endif
 string message)
			{
			_level = level;
			_caller = caller;
			_message = message ?? String.Empty;
			_date = DateTime.Now;
			}

		#endregion

		#region Public Properties

#if NETCF
		/// <summary>
		/// Gets the information of the logging method caller.
		/// </summary>
		/// <value>
		/// A <see cref="System.String"/> that provides the logging method caller.
		/// </value>
		public String Caller
			{
			get
				{
				return _caller;
				}
			}
#else
		/// <summary>
		/// Gets the information of the logging method caller.
		/// </summary>
		/// <value>
		/// A <see cref="StackFrame"/> that provides the information of the logging method caller.
		/// </value>
		public StackFrame Caller
			{
			get
				{
				return _caller;
				}
			}
#endif

		/// <summary>
		/// Gets the date and time when the log data was created.
		/// </summary>
		/// <value>
		/// A <see cref="DateTime"/> that represents the date and time when the log data was created.
		/// </value>
		public DateTime Date
			{
			get
				{
				return _date;
				}
			}

		/// <summary>
		/// Gets the logging level of the log data.
		/// </summary>
		/// <value>
		/// One of the <see cref="LogLevel"/> enum values, indicates the logging level of the log data.
		/// </value>
		public LogLevel Level
			{
			get
				{
				return _level;
				}
			}

		/// <summary>
		/// Gets the message of the log data.
		/// </summary>
		/// <value>
		/// A <see cref="string"/> that represents the message of the log data.
		/// </value>
		public string Message
			{
			get
				{
				return _message;
				}
			}

		#endregion

		#region Public Methods

		/// <summary>
		/// Returns a <see cref="string"/> that represents the current <see cref="LogData"/>.
		/// </summary>
		/// <returns>
		/// A <see cref="string"/> that represents the current <see cref="LogData"/>.
		/// </returns>
		public override string ToString ()
			{
			var header = String.Format ("{0}|{1,-5}|", _date, _level);
#if NETCF
			var headerAndCaller = String.Format ("{0}{1}|", header, _caller);
#else
			var method = _caller.GetMethod ();
			var type = method.DeclaringType;
#if DEBUG
			var lineNum = _caller.GetFileLineNumber ();
			var headerAndCaller =
			String.Format ("{0}{1}.{2}:{3}|", header, type.Name, method.Name, lineNum);
#else
			var headerAndCaller = String.Format ("{0}{1}.{2}|", header, type.Name, method.Name);
#endif
#endif

			var msgs = _message.Replace ("\r\n", "\n").TrimEnd ('\n').Split ('\n');
			if (msgs.Length <= 1)
				return String.Format ("{0}{1}", headerAndCaller, _message);

			var buff = new StringBuilder (String.Format ("{0}{1}\r\n", headerAndCaller, msgs[0]), 64);

			var fmt = String.Format ("{{0,{0}}}{{1}}\r\n", header.Length);
			for (var i = 1; i < msgs.Length; i++)
				buff.AppendFormat (fmt, "", msgs[i]);

			buff.Length -= 2;
			return buff.ToString ();
			}

		#endregion
		}
	}