// adds support for the custom path variable '<appname>' and '<startdate>'
protected override string FormatFilePath(LogFileInfo logFile, FileLogEntry entry)
{
return(Regex.Replace(base.FormatFilePath(logFile, entry), @"<(appname|startdate)(?::([^<>]+))?>", match =>
{
var inlineFormat = match.Groups[2].Value;
switch (match.Groups[1].Value)
{
case "appname": return s_appName;
case "startdate": return GetStartDate(inlineFormat.Length > 0 ? inlineFormat : null, logFile, entry);
default: throw new InvalidOperationException();
}
}));
}
private void WriteMessage(string message)
{
using (StreamWriter writer = new StreamWriter(Filename, true))
{
FileLogEventArgs e = new FileLogEventArgs
{
Writer = writer,
Layout = Layout,
Message = message
};
FileLogEntry?.Invoke(this, e);
if (!e.Handled)
{
writer.Write(message);
}
writer.Flush();
}
}
// adds support for the custom path variable '<appname>'
protected override string FormatFilePath(LogFileInfo logFile, FileLogEntry entry) =>
base.FormatFilePath(logFile, entry).Replace("<appname>", s_appName);
// offsets the counter by 1 -> the counter will start at 1 protected override string GetCounter(string inlineFormat, LogFileInfo logFile, FileLogEntry entry) => (logFile.Counter + 1).ToString(inlineFormat ?? logFile.CounterFormat, CultureInfo.InvariantCulture);
// returns formatted datetime of when logging started protected virtual string GetStartDate(string inlineFormat, LogFileInfo logFile, FileLogEntry entry) => s_startDate.ToString(inlineFormat ?? logFile.DateFormat, CultureInfo.InvariantCulture);
