static int Main(string[] args)
{
// We must explictly convert from bool to BoolRef.
BoolRef aOption = (BoolRef)false;
BoolRef bOption = (BoolRef)true;
BoolRef dOption = (BoolRef)false;
// We use StringBuilder to have a string that has reference semantics.
StringBuilder cValue = new StringBuilder();
// Arguments that the application can use itself.
List <string> arguments = new List <string>();
var parser = new ArgumentParser();
parser.AddArgumentList(arguments);
parser.AddOnOption('a', "a-option", aOption);
parser.AddOffOption('b', "b-option", bOption);
parser.AddValueOption('c', "c-option", cValue);
parser.Parse(args);
// Error handling.
if (parser.Errors.Count > 0)
{
Console.WriteLine("ERRORS: ");
foreach (var error in parser.Errors)
{
Console.WriteLine(" " + error);
}
Console.WriteLine();
// You would normally exit failure here, but let's keep going.
}
// Implicit conversion from BoolRef to bool.
if (aOption)
{
Console.WriteLine("A switched on.");
}
else
{
Console.WriteLine("A off by default.");
}
if (bOption)
{
Console.WriteLine("B on by default.");
}
else
{
Console.WriteLine("B switched off.");
}
// Value arguments always have an argument, even if it's blank.
if (cValue.ToString() != "")
{
Console.WriteLine("C has value \"" + cValue.ToString() + "\".");
}
else
{
Console.WriteLine("C has no value as it was not specified.");
}
Console.Write("Arguments:");
for (int i = 0; i < arguments.Count; ++i)
{
Console.Write(" " + arguments[i]);
}
Console.WriteLine();
return(0);
}