using namespace TCLAP;
using namespace std;


// This exemplifies how the output class can be overridden to provide
// user defined output.
class MyOutput : public StdOutput {
public:

    virtual void failure(CmdLineInterface &c, ArgException &e) {
        static_cast<void>(c); // Ignore input, don't warn
        cerr << "my failure message: " << endl
        << e.what() << endl;
        exit(1);
    }

    virtual void usage(CmdLineInterface &c) {
        cout << "my usage message:" << endl;
        list < Arg * > args = c.getArgList();
        for (ArgListIterator it = args.begin(); it != args.end(); it++)
            cout << (*it)->longID()
            << "  (" << (*it)->getDescription() << ")" << endl;
    }

    virtual void version(CmdLineInterface &c) {
        static_cast<void>(c); // Ignore input, don't warn
        cout << "my version message: 0.1" << endl;
    }
};


bool _boolTestB;
bool _boolTestA;
string _stringTest;

void parseOptions(int argc, char **argv);

int main(int argc, char **argv) {

    parseOptions(argc, argv);

    cout << "for string we got : " << _stringTest << endl
    << "for bool B we got : " << _boolTestB << endl
    << "for bool A we got : " << _boolTestA << endl;

}


void parseOptions(int argc, char **argv) {
    try {

        CmdLine cmd("this is a message", ' ', "0.99");

        // set the output
        MyOutput my;
        //ZshCompletionOutput my;
        //DocBookOutput my;
        cmd.setOutput(&my);

        //
        // Define arguments
        //

        SwitchArg btest("B", "sB", "exist Test B", false);
        SwitchArg atest("A", "sA", "exist Test A", false);

        ValueArg <string> stest("s", "Bs", "string test", true, "homer",
                                "string");
        cmd.add(stest);
        cmd.add(btest);
        cmd.add(atest);

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


        //
        // Set variables
        //
        _stringTest = stest.getValue();
        _boolTestB = btest.getValue();
        _boolTestA = atest.getValue();


    } catch (ArgException &e) { cout << "ERROR: " << e.error() << " " << e.argId() << endl; }
}