static ParsedArgs ParseArgs(string[] args)
{
var parsedArgs = new ParsedArgs();
// The first argument is always the 'verb' unless it starts with a hyphen.
var first = args.FirstOrDefault();
int skip = 0;
if (first != null && !first.StartsWith("-"))
{
parsedArgs.Verb = first;
skip = 1;
}
string currentSwitch = "";
foreach (var arg in args.Skip(skip))
{
if (arg.StartsWith("-"))
{
// arguments to a switch can be space or colon seperated. Colon args are found first.
var splits = arg.Split(':');
currentSwitch = splits.First().Substring(1).ToLower();
var switchArgs = splits.Skip(1).ToList();
parsedArgs.Add(currentSwitch, switchArgs);
}
else
{
List <string> switchArgs;
if (!parsedArgs.TryGetValue(currentSwitch, out switchArgs))
{
switchArgs = new List <string>();
parsedArgs.Add(currentSwitch, switchArgs);
}
switchArgs.Add(arg);
}
}
return(parsedArgs);
}
public MethodInvoker GetMethodInvoker(ParsedArgs args)
{
var argNames = args.Keys;
if (args.Verb != Name ||
// Parameters.Count() != args.Count ||
Parameters.All(p => p.SupportsArgument(argNames)) == false)
{
return(null);
}
var parameterValues = new List <object>();
foreach (var para in Parameters.OrderBy(p => p.Position))
{
object invokeParam;
var alias = para.GetSupportedAlias(argNames);
// if null method argument was an optional argument, so pass default value.
if (alias == null)
{
invokeParam = para.DefaultValue;
}
else
{
// check if parameter is an array
if (para.IsArray)
{
invokeParam = para.GetParameterArray(args[alias].ToArray());
}
else
{
invokeParam = para.GetParameter(args[alias].FirstOrDefault());
}
}
parameterValues.Add(invokeParam);
}
var invoker = new MethodInvoker(this, parameterValues.ToArray());
return(invoker);
}