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using System;
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using System.IO;
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using System.Collections;
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using System.Collections.Generic;
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using System.Runtime.CompilerServices;
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using System.Reflection;
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using System.Linq;
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using JM.LinqFaster;
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/* Tiny log library inspired by Python's logging and Glögi.
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*/
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namespace isometricparkfna
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{
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public enum LogLevel
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{
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Critical,
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Error,
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Warning,
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Success,
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Info,
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Debug,
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Trace,
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Spy
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}
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public struct LogEntry
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{
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public DateTime timestamp;
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public string message;
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public LogLevel level;
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public ITuple data;
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}
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public class Logging
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{
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#if DEBUG
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public static LogLevel minimumConsoleLevel = LogLevel.Debug;
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#else
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public static LogLevel minimumConsoleLevel = LogLevel.Success;
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#endif
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public static List<LogEntry> entries = new List<LogEntry>();
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public static string logFileName = string.Format("log_{0:yyyyMMdd_HHmm}.txt", DateTime.Now);
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public static StreamWriter logFile = File.CreateText(logFileName);
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private static Dictionary<LogLevel, (ConsoleColor, ConsoleColor)> mappings = new Dictionary<LogLevel, (ConsoleColor, ConsoleColor)>
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{
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{LogLevel.Critical, (ConsoleColor.White, ConsoleColor.Red)},
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{LogLevel.Error, (ConsoleColor.Black, ConsoleColor.Red)},
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{LogLevel.Warning, (ConsoleColor.Black, ConsoleColor.Yellow)},
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{LogLevel.Success, (ConsoleColor.White, ConsoleColor.Green)},
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{LogLevel.Info, (ConsoleColor.White, ConsoleColor.Blue)},
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{LogLevel.Debug, (ConsoleColor.Blue, ConsoleColor.Black)},
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{LogLevel.Trace, (ConsoleColor.Magenta, ConsoleColor.Black)},
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{LogLevel.Spy, (ConsoleColor.Black, ConsoleColor.White)},
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};
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private static void Log_(LogLevel level, string message,
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int lineNumber, string caller, string path, ConsoleColor message_foreground = ConsoleColor.White)
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{
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var timestamp = DateTime.Now;
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if ((level <= minimumConsoleLevel)
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|| level == LogLevel.Spy)
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{
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var start_foreground = Console.ForegroundColor;
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var start_background = Console.BackgroundColor;
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var (new_foreground, new_background) = Logging.mappings[level];
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Console.ForegroundColor = new_foreground;
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Console.BackgroundColor = new_background;
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//29/Apr/2021 22:43:30
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Console.Out.Write(string.Format("[{0}] {1}", timestamp.ToString("s"), level.ToString()));
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Console.BackgroundColor = start_background;
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Console.ForegroundColor = message_foreground;
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Console.Out.Write(" " + message);
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Console.ForegroundColor = start_foreground;
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Console.Out.WriteLine(string.Format(" [{1}:{2}]", message, path, lineNumber));
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}
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logFile.WriteLine(string.Format("[{0}] {1} {2} [{3}:{4}]", timestamp.ToString("s"), level.ToString(), message, path, lineNumber));
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Logging.entries.Add(new LogEntry { timestamp = timestamp,
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level = level,
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message = message
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});
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}
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private static void Log_<T>(LogLevel level, string message, T data,
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int lineNumber, string caller, string path)
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where T : ITuple
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{
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// Logging.entries.Add(data);
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// var d = data.GetType().GetProperties().ToDictionary(Info => Info.Name, Info => Info.GetValue(data));
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// var data_strings = data.GetType().GetProperties().Select(Info => Info.Name + "=" + Info.GetValue(data).ToString());
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// var data_string = string.Join(", ", data_strings);
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// var str = String.Format("{0} {1}", message, data_string);
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Logging.Log_(level, message, lineNumber, caller, path);
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}
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private static void Log_(LogLevel level, string message,
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int lineNumber, string caller, string path, params object[] objects)
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{
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String.Format(message, objects);
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Logging.Log_(level, message, lineNumber, caller, path);
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}
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public static void Log(LogLevel level, string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(level, message, lineNumber, caller, path);
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}
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/*
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public static void Log<T>(LogLevel level, string message, T data,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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//Constrain to Tuples and tuple-likes:
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where T : ITuple, IStructuralEquatable, IStructuralComparable
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{
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Logging.Log_(level, message, data, lineNumber, caller, path);
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}*/
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public static void Log<T>(LogLevel level, string message, T data,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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//Constrain to Tuples and tuple-likes:
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where T : class
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{
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var properties = new List<string>();
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foreach (var property in typeof(T).GetProperties())
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{
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properties.Add(property.ToString() + "=" + property.GetValue(data));
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}
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var message_data = message + " {" + String.Join(", ", properties) + "}";
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Logging.Log_(level, message_data, lineNumber, caller, path);
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}
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public static void Log(LogLevel level, string message,
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object[] format,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(level, message, lineNumber, caller, path, format);
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}
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public static void Critical(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Critical, message, lineNumber, caller, path);
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}
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public static void Error(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Error, message, lineNumber, caller, path);
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}
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public static void Warning(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Warning, message, lineNumber, caller, path);
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}
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public static void Success(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Success, message, lineNumber, caller, path);
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}
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public static void Info(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Info, message, lineNumber, caller, path);
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}
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public static void Debug(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Debug, message, lineNumber, caller, path);
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}
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public static void Trace(string message,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "")
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{
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Logging.Log_(LogLevel.Trace, message, lineNumber, caller, path);
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}
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public static void Spy(object value,
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string name,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = ""
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)
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{
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string message = string.Format("{0} ({1}) = {2}",
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value.GetType().ToString(), name, value.ToString());
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Logging.Log_(LogLevel.Spy, message, lineNumber, caller, path);
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}
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public static void Spy<T>(T value,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = ""
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) where T : class
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{
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// var properties = typeof(T).GetProperties();
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// string message = string.Format("{0} = {1}",
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// value.ToString(), .ToString() );
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// var message = String.Join(", ", (object[])properties);
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//
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var properties = new List<string>();
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foreach (var property in typeof(T).GetProperties())
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{
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properties.Add(property.ToString() + "=" + property.GetValue(value));
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}
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var message = "{" + String.Join(", ", properties) + "}";
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Logging.Log_(LogLevel.Spy, message, lineNumber, caller, path);
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}
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public static void Spy<T>(T? value,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = ""
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// , T _ = default
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) where T : struct
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{
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if (value == null)
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{
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Logging.Log_(LogLevel.Spy, "Value is null!", lineNumber, caller, path, ConsoleColor.Red);
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return;
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}
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var properties = new List<string>();
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foreach (var field in typeof(T).GetFields())
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{
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try {
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properties.Add(field.ToString() + "="
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+ field.GetValue(value).ToString());
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}
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catch (NullReferenceException)
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{
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properties.Add(field.ToString() + "= <null>" );
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}
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}
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var message = "{" + String.Join(", ", properties) + "}";
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Logging.Log_(LogLevel.Spy, message, lineNumber, caller, path);
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}
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public static void Spy<T>(T value,
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[CallerLineNumber] int lineNumber = 0,
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[CallerMemberName] string caller = null,
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[CallerFilePath] string path = "",
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T _ = default) where T : struct
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{
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//C/o Jannes on StackOverflow for the extra parameter with a default trick
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//https://stackoverflow.com/questions/2974519/generic-constraints-where-t-struct-and-where-t-class#comment111131939_36775837
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var properties = new List<string>();
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foreach (var field in typeof(T).GetFields())
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{
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try {
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properties.Add(field.ToString() + "="
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+ field.GetValue(value).ToString());
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}
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catch (NullReferenceException)
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{
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properties.Add(field.ToString() + "= <null>" );
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}
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}
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var message = "{" + String.Join(", ", properties) + "}";
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Logging.Log_(LogLevel.Spy, message, lineNumber, caller, path);
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}
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}
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}
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