/// <summary>
/// Adds a file logger.
/// Each file logger will be declared in the order added.
/// The first file logger will match up to the /fl parameter.
/// The next nine (max) file loggers will match up to the /fl1 through /fl9 respectively.
/// </summary>
/// <param name="settings">The settings.</param>
/// <param name="fileLoggerParameters">Parameters to be passed to the logger.</param>
/// <returns>The same <see cref="MSBuildSettings"/> instance so that multiple calls can be chained.</returns>
public static MSBuildSettings AddFileLogger(this MSBuildSettings settings, MSBuildFileLogger fileLoggerParameters)
{
if (settings == null)
{
throw new ArgumentNullException(nameof(settings));
}
if (fileLoggerParameters == null)
{
throw new ArgumentNullException(nameof(fileLoggerParameters));
}
settings.FileLoggers.Add(fileLoggerParameters);
return(settings);
}
private string GetLoggerArgument(int index, MSBuildFileLogger logger)
{
if (index >= 10)
{
throw new InvalidOperationException("Too Many FileLoggers");
}
var counter = index == 0 ? string.Empty : index.ToString();
var argument = $"/fl{counter}";
var parameters = logger.GetParameters(_environment);
if (!string.IsNullOrWhiteSpace(parameters))
{
argument = $"{argument} /flp{counter}:{parameters}";
}
return(argument);
}
