public CommandLineHelper(ArgumentCommand command, List <ArgumentOption> options, ProcessDelegate usage, ProcessDelegate emptyArguments, bool acceptEmptyArguments /*, bool isInSpecificOrder*/)
{
Command = command;
if (options == null)
{
options = new List <ArgumentOption>();
}
Options = options;
Usage = usage;
EmptyArguments = emptyArguments;
// IsInSpecificOrder = isInSpecificOrder;
AcceptEmptyArguments = acceptEmptyArguments;
}
public void Process(string[] args)
{
// If there are no args, try to call EmptyArguments
if (args.Length == 0)
{
if (!AcceptEmptyArguments)
{
throw new ArgumentException("You must enter some argument! Enter -? for usage.");
}
if (EmptyArguments == null)
{
throw new ArgumentException("The EmptyArguments method must be set!");
}
EmptyArguments();
return;
}
// Show usage options, if Usage delegate is defined
if (Usage != null)
{
foreach (var arg in args)
{
if (arg == "-?" || arg == "/?" || arg.ToLower() == "-h" || arg.ToLower() == "--help")
{
Usage();
return;
}
}
}
// Process options and commands
IArgument currentArgument = null;
var expectedArgs = 0;
var commandList = new List <IArgument>();
var optionList = new Dictionary <string, IArgument>();
var errorMessageStr = new StringBuilder();
foreach (var arg in args)
{
// Verify if it is a option and remove prefixes from arg
string argClean = CleanOptionArgument(arg);
bool isOption = argClean != null;
// If are not expecting some internal argument, begin processing options
if (expectedArgs == 0)
{
// Process the option
if (isOption)
{
// Search for the option in the Options list
IArgument currentOption = GetCurrentOption(argClean);
if (currentOption != null)
{
// If the option has already been added, generates an exception
if (optionList.Count > 0 && optionList[currentOption.Name] != null)
{
throw new ArgumentException(string.Format("Could not process option '{0}' argument '{1}' twice! Enter -? for usage.",
currentOption.Name, arg));
}
// Add the option to the option list
optionList[currentOption.Name] = currentOption;
currentArgument = currentOption;
expectedArgs = currentOption.InternalArguments.Count;
continue;
}
// If option not found, then we got a wrong argument
throw new ArgumentException(string.Format("Option '{0}' doesn't exist! Enter '-?' for usage.", arg));
}
// Now process the Command, if exists
if (Command != null)
{
// If the command doesn't allow multiple executions, generates an exception
if (commandList.Count > 0 && !Command.AllowMultipleExecutions)
{
throw new ArgumentException(string.Format("Could not process command '{0}' argument '{1}' twice! Enter '-?' for usage.",
Command.Name, arg));
}
// Create a copy of internal arguments into a new list
var internalArguments = Command.InternalArguments;
List <ArgumentInternal> newInternalArguments = GetNewInternalArguments(internalArguments);
// Set the first internal argument to arg
newInternalArguments[0].Value = arg;
// Create a new command and add to the commandList (to be executed after the options)
var currentCommand = new ArgumentCommand(Command.Name, Command.Description, Command.AllowMultipleExecutions,
newInternalArguments, Command.Process);
commandList.Add(currentCommand);
// Set the currentArgument to the new command and set the expectedArgs
currentArgument = currentCommand;
expectedArgs = newInternalArguments.Count - 1;
continue;
}
// If it gets here, there is something wrong
throw new ArgumentException(string.Format("Unespected argument '{0}'! Enter '-?' for usage.", arg));
}
// Now we are expecting some internal argument, so set it's values to arg
if (expectedArgs > 0 && currentArgument != null)
{
// If the argument is a option, there is something wrong
if (isOption)
{
throw new ArgumentException(string.Format("Argument '{0}' invalid to option '{1}'! Enter '-?' for usage.",
arg, currentArgument.Name));
}
currentArgument.InternalArguments[currentArgument.InternalArguments.Count - expectedArgs].Value = arg;
expectedArgs--;
continue;
}
// If it gets here, there is something wrong
throw new ArgumentException(string.Format("Unespected argument '{0}'! Enter '-?' for usage.", arg));
}
// Process all the options, in the order that they were created
foreach (var option in Options)
{
foreach (var optionKeyValue in optionList)
{
if (option.Name == optionKeyValue.Key)
{
try
{
RunCurrentProcess(optionKeyValue.Value);
}
catch (Exception e)
{
errorMessageStr.AppendLine(e.Message);
}
}
}
}
// After processing all options, process the commands
foreach (var command in commandList)
{
try
{
RunCurrentProcess(command);
}
catch (Exception e)
{
errorMessageStr.AppendLine(e.Message);
}
}
// If any errors happened running the options or commands, throw an exception
if (errorMessageStr.ToString() != "")
{
throw new ArgumentException(errorMessageStr.ToString());
}
}
public CommandLineHelper(ArgumentCommand command, List <ArgumentOption> options, ProcessDelegate usage)
: this(command, options, usage, null)
{
}
public CommandLineHelper(ArgumentCommand command, List <ArgumentOption> options, ProcessDelegate usage, ProcessDelegate emptyArguments)
: this(command, options, usage, emptyArguments, true /*, false*/)
{
}