using namespace TCLAP;
using namespace std;

int main(int argc, char **argv) {
    // Wrap everything in a try block.  Do this every time,
    // because exceptions will be thrown for problems.
    try {

        // Define the command line object.
        CmdLine cmd("Command description message", ' ', "0.9");

        vector <string> allowed;
        allowed.push_back("homer");
        allowed.push_back("marge");
        allowed.push_back("bart");
        allowed.push_back("lisa");
        allowed.push_back("maggie");
        ValuesConstraint <string> allowedVals(allowed);

        ValueArg <string> nameArg("n", "name", "Name to print", true, "homer",
                                  &allowedVals);
        cmd.add(nameArg);

        vector <int> iallowed;
        iallowed.push_back(1);
        iallowed.push_back(2);
        iallowed.push_back(3);
        ValuesConstraint <int> iallowedVals(iallowed);

        UnlabeledValueArg <int> intArg("times", "Number of times to print", true, 1,
                                       &iallowedVals, false);
        cmd.add(intArg);

        // Parse the args.
        cmd.parse(argc, argv);

        // Get the value parsed by each arg.
        int num = intArg.getValue();
        string name = nameArg.getValue();

        for (int i = 0; i < num; i++)
            cout << "My name is " << name << endl;

    } catch (ArgException &e)  // catch any exceptions
    { cerr << "error: " << e.error() << " for arg " << e.argId() << endl; }
}