#include <string>
#include <tclap/CmdLine.h>

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; }
}

