private Task Help(
Command command)
{
if (!command.AppliedArguments.Any())
{
Console.WriteLine("\nGeneral Help\n");
}
else
{
var helpMessage = CommandDictionary.GetCommand(command.AppliedArguments.First().Value)?.Documentation
?? command.AppliedArguments.First().Value;
Console.WriteLine($"\n{helpMessage}");
}
return(Task.CompletedTask);
}
public Command ParseInput(
string input)
{
var inputParts = input.Split(' ',
System.StringSplitOptions.RemoveEmptyEntries
).ToList();
inputParts.ForEach(x => x.Trim());
var command =
CommandDictionary.GetCommand(inputParts[0]);
if (command == null)
{
return(null);
}
TryParseArguments(
command,
inputParts
);
return(command);
void TryParseArguments(
Command command,
List <string> inputParts)
{
for (int i = 1; i < inputParts.Count; ++i)
{
string thisPart = inputParts[i];
Argument argument;
if (thisPart.StartsWith('-'))
{
string argumentName =
thisPart.Substring(1)
.ToLower();
if (argumentName.Length == 1)
{
argument = command.ValidArguments.Where(
x => x.Alias.ToLower() == argumentName
).FirstOrDefault();
}
else
{
argument = command.ValidArguments.Where(
x => x.FullName.ToLower() == argumentName
).FirstOrDefault();
}
if (argument == null)
{
ErrorHandler.HandleReplError(Error.InvalidArgumentError(
command.Name,
thisPart
)
);
}
command.AppliedArguments.Add(
argument.FullName,
inputParts[i + 1]
);
}
else
{
argument = command.ValidArguments.Where(
x => x.Position == i
).FirstOrDefault();
if (argument == null)
{
ErrorHandler.HandleReplError(Error.InvalidArgumentError(
command.Name,
thisPart
)
);
}
command.AppliedArguments.Add(
argument.FullName,
thisPart
);
}
}
}
}
