public override void Execute()
{
base.Execute();
List <string> singleOptionList = ChecksumOptions.GetSingleOptions();
CommandLineOptions cloptions = CommandLineParser.Parse(Arguments.ToArray <string>(), singleOptionList.ToArray());
options = ParseOptions(cloptions);
CheckOptions(options);
if (options.IsSetHelp)
{
RaiseCommandLineUsage(this, ChecksumOptions.Usage);
}
else if (options.IsSetVersion)
{
RaiseCommandLineUsage(this, Version);
}
else
{
StartChecksum();
}
Terminate();
}
private static ChecksumCommandLineOptions ParseOptions(CommandLineOptions commandLineOptions)
{
if (commandLineOptions == null)
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "must specify a option."));
}
ChecksumCommandLineOptions targetOptions = new ChecksumCommandLineOptions();
if (commandLineOptions.Arguments.Count >= 0)
{
foreach (var arg in commandLineOptions.Arguments.Keys)
{
ChecksumOptionType optionType = ChecksumOptions.GetOptionType(arg);
if (optionType == ChecksumOptionType.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 ChecksumOptionType.Algorithm:
targetOptions.IsSetAlgorithm = true;
if (commandLineOptions.Arguments[arg].ToUpperInvariant() == @"CRC32" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"CRC64" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"MD5" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"SHA1" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"SHA256" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"SHA384" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"SHA512" ||
commandLineOptions.Arguments[arg].ToUpperInvariant() == @"RIPEMD160"
)
{
targetOptions.Algorithm = commandLineOptions.Arguments[arg];
}
else
{
throw new CommandLineException(string.Format(CultureInfo.CurrentCulture,
"Option used in invalid context -- {0}", "invalid algorithm, support CRC32, CRC64, MD5, SHA1, SHA256, SHA384, SHA512, RIPEMD160."));
}
break;
case ChecksumOptionType.File:
targetOptions.IsSetFile = true;
targetOptions.File = commandLineOptions.Arguments[arg];
break;
case ChecksumOptionType.Text:
targetOptions.IsSetText = true;
targetOptions.Text = commandLineOptions.Arguments[arg];
break;
case ChecksumOptionType.Help:
targetOptions.IsSetHelp = true;
break;
case ChecksumOptionType.Version:
targetOptions.IsSetVersion = true;
break;
}
}
}
return(targetOptions);
}