public bool ParseCommandLine(string[] fragments, out Command parsedCommand)
{
bool success = true;
Command templateCommand = null;
parsedCommand = null;
// Determine which command we are parsing
if (fragments.Length > 0)
{
if (_commandMap.TryGetValue(fragments[0], out templateCommand))
{
parsedCommand = new Command(fragments[0], templateCommand.CommandDelegate);
}
else
{
_logger.WriteLine("Parser: Unknown command '{0}' ", fragments[0]);
success = false;
}
}
else
{
_logger.WriteLine("Parser: No Command Given");
success = false;
}
// Parse all of the given arguments
if (success && (fragments.Length % 2) == 1)
{
for (int fragment_index = 1; success && fragment_index < fragments.Length; fragment_index += 2)
{
string argumentName = fragments[fragment_index].Substring(1); // Skip the '-' in front of the argument name
string argumentStringValue = fragments[fragment_index + 1];
CommandArgument templateArgument = templateCommand.GetArgumentByName(argumentName);
if (templateArgument != null)
{
CommandArgument parsedArgument = templateArgument.Clone();
if (parsedArgument.Parse(argumentStringValue))
{
parsedCommand.AddArgument(parsedArgument);
}
else
{
_logger.WriteLine("Parser: Malformed argument value '{0}' for argument '{1}'",
argumentStringValue, argumentName);
success = false;
}
}
else
{
_logger.WriteLine("Parser: Unknown argument '{0}'", argumentName);
success = false;
}
}
}
// Make sure all required arguments were given
if (success)
{
foreach (CommandArgument templateArgument in templateCommand.ArgumentMap.Values)
{
if (!templateArgument.ArgumentOptional &&
!parsedCommand.HasArgumentWithName(templateArgument.ArgumentName))
{
_logger.WriteLine("Parser: Missing required argument '{0}'", templateArgument.ArgumentName);
success = false;
break;
}
}
}
return(success);
}
public void AddArgument(CommandArgument argument)
{
_argumentMap.Add(argument.ArgumentName, argument);
}