public LogOptions ParseCommandLine(Arguments arguments)
{
var logOptions = new LogOptions {
LogLevel = arguments.Parameter(LogLevelParameter, LogLevel.Warning),
CommandOutput = arguments.Parameter(CommandOutputParameter, true),
};
SetLogOutput(arguments, logOptions);
return logOptions;
}
private object ParseParameter(Arguments arguments, ITaskParameter p)
{
try {
return arguments.Parameter(p);
} catch(RequiredParameterNotGivenException e) {
throw new TaskRequiredParameterException(p, this);
} catch (TypeParserNotFoundException e) {
throw new TaskParameterException(p, this);
}
}
private void SetLogOutput(Arguments arguments, LogOptions logOptions)
{
var filename = arguments.Parameter<string>(LogFileParameter, null);
if (filename != null) {
var textWriter = File.AppendText(filename);
textWriter.AutoFlush = true;
logOptions.StdErr = textWriter;
logOptions.StdOut = textWriter;
} else {
logOptions.StdErr = Console.Error;
logOptions.StdOut = Console.Out;
}
}