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@mkropat mkropat/MicroLog.cs

Last active May 23, 2016
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C# logging micro-framework
public static class MicroLog
{
public static void Write(params object[] objs)
{
var logName = typeof(MicroLog).Assembly.GetName().Name + ".debug.log";
var documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var logPath = System.IO.Path.Combine(documentsPath, logName);
var timestamp = DateTime.Now.ToString("HH:mm:ss.fff");
var asStrings = Array.ConvertAll<object, string>(objs, Format);
var line = string.Format("{0}: {1}", timestamp, string.Join(" - ", asStrings));
System.IO.File.AppendAllLines(logPath, new[] { line });
}
private static string Format(object obj)
{
return Format(obj, 1);
}
private static string Format(object obj, int indent)
{
if (obj == null)
return "null";
else if (obj is string || obj.GetType().IsValueType)
return Convert.ToString(obj);
else if (obj is System.Collections.IEnumerable)
return FormatEnumerable((System.Collections.IEnumerable)obj, indent);
else if (indent > 1)
return Convert.ToString(obj);
else
return FormatObject(obj, indent);
}
private static string FormatObject(object obj, int indent)
{
var properties = new List<string>();
var publicInstance = System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance;
foreach (var m in obj.GetType().GetMembers(publicInstance))
{
var p = m as System.Reflection.PropertyInfo;
if (p != null)
properties.Add(string.Format("{0}: {1}", m.Name, Format(p.GetValue(obj), indent + 1)));
}
return FormatDataStructure(obj, properties.ToArray(), indent);
}
private static string FormatEnumerable(System.Collections.IEnumerable enumerable, int indent)
{
var items = new List<string>();
foreach (var item in enumerable)
items.Add(Format(item, indent + 1));
return FormatDataStructure(enumerable, items.ToArray(), indent);
}
private static string FormatDataStructure(object obj, string[] properties, int indentLevel)
{
var innerIndent = new string(' ', indentLevel * 2);
var outerIndent = new string(' ', (indentLevel - 1) * 2);
return obj.GetType().Name + " {" + Environment.NewLine +
innerIndent + string.Join(Environment.NewLine + innerIndent, properties) + Environment.NewLine +
outerIndent + "}";
}
}
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