public override void Execute()
{
base.Execute();
List <string> singleOptionList = SortOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray <string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, SortOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
StartSort();
}
Terminate();
}
private static SortCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
SortCommandLineOptions targetOptions = new SortCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
SortOptionType optionType = SortOptions.GetOptionType(arg);
if (optionType == SortOptionType.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 SortOptionType.InputFile:
targetOptions.InputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.ReverseOrder:
targetOptions.IsSetReverseOrder = true;
break;
case SortOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case SortOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (string.IsNullOrEmpty(targetOptions.InputFile))
{
targetOptions.InputFile = commandLineOptions.Parameters.First();
}
}
return(targetOptions);
}
private static void CheckOptions(SortCommandLineOptions checkedOptions)
{
if (!checkedOptions.IsSetHelp && !checkedOptions.IsSetVersion)
{
if (string.IsNullOrEmpty(checkedOptions.InputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a file."));
}
if (checkedOptions.IsSetOutputFile && string.IsNullOrEmpty(checkedOptions.OutputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "bad output file path."));
}
}
}
public override void Execute()
{
base.Execute();
List<string> singleOptionList = SortOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray<string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, SortOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
StartSort();
}
Terminate();
}
private static void CheckOptions(SortCommandLineOptions checkedOptions)
{
if (!checkedOptions.IsSetHelp && !checkedOptions.IsSetVersion)
{
if (string.IsNullOrEmpty(checkedOptions.InputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a file."));
}
if (checkedOptions.IsSetOutputFile && string.IsNullOrEmpty(checkedOptions.OutputFile))
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "bad output file path."));
}
}
}
private static SortCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
SortCommandLineOptions targetOptions = new SortCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
SortOptionType optionType = SortOptions.GetOptionType(arg);
if (optionType == SortOptionType.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 SortOptionType.InputFile:
targetOptions.InputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.OutputFile:
targetOptions.IsSetOutputFile = true;
targetOptions.OutputFile = commandLineOptions.Arguments[arg];
break;
case SortOptionType.ReverseOrder:
targetOptions.IsSetReverseOrder = true;
break;
case SortOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case SortOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
if (commandLineOptions.Parameters.Count > 0)
{
if (string.IsNullOrEmpty(targetOptions.InputFile))
{
targetOptions.InputFile = commandLineOptions.Parameters.First();
}
}
return targetOptions;
}
