Basic cli interface for cpp

cli_cpp.cpp

#include <iostream>

void help() {
    std::cout << "Help" << std::endl;
}

void option1(std::string arg) {
    std::cout << "option1: " << arg << std::endl;
}

void option2(std::string arg1, std::string arg2) {
    std::cout << "option2: " << arg1 << " " << arg2 << std::endl;
}

int main(int argc, char * argv[]) {
    // ./bin 1 arg
    // ./bin 2 arg arg

    if (argc >= 3) {
        char * option = argv[1];
        if (option == std::string("1") && argc == 3) {
            option1(argv[2]);
        } else if (option == std::string("2") && argc == 4) {
            option2(argv[2], argv[3]);
        } else {
            help();
        }
    } else {
        help();
    }

    return 0;
}