public override void Execute()
{
base.Execute();
List <string> singleOptionList = ListDirectoryOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray <string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, ListDirectoryOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
StartListDirectory();
}
Terminate();
}
private static ListDirectoryCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
ListDirectoryCommandLineOptions targetOptions = new ListDirectoryCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
ListDirectoryOptionType optionType = ListDirectoryOptions.GetOptionType(arg);
if (optionType == ListDirectoryOptionType.None)
{
throw new CommandLineException(
string.Format(CultureInfo.CurrentCulture, "Option used in invalid context -- {0}",
string.Format(CultureInfo.CurrentCulture, "cannot parse the command line argument : [{0}].", arg)));
}
switch (optionType)
{
case ListDirectoryOptionType.InputDirectory:
targetOptions.InputDirectory = commandLineOptions.Arguments[arg];
break;
case ListDirectoryOptionType.Directory:
targetOptions.IsSetDirectory = true;
break;
case ListDirectoryOptionType.File:
targetOptions.IsSetFile = true;
break;
case ListDirectoryOptionType.List:
targetOptions.IsSetList = true;
break;
case ListDirectoryOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case ListDirectoryOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (string.IsNullOrEmpty(targetOptions.InputDirectory))
{
targetOptions.InputDirectory = commandLineOptions.Parameters.First();
}
}
// set default the current directory
if (string.IsNullOrEmpty(targetOptions.InputDirectory))
{
targetOptions.InputDirectory = @".";
}
// set default options
if (!targetOptions.IsSetDirectory && !targetOptions.IsSetFile)
{
targetOptions.IsSetDirectory = true;
targetOptions.IsSetFile = true;
}
return(targetOptions);
}