#include #include #include using namespace std; int main() { //////////////////////////////////////// // list of supported command words std::array commands = { "up", "down", "left", "right", "quit", "q" }; ///////////////////////////////////////// // index - must match command words enum commands { UP = 0, DOWN = 1, LEFT = 2, RIGHT = 3, QUIT = 4, Q = 5, }; // list all valid commands to the console cout << "Valid Commands: "; for (auto& cmdtext : commands) { cout << cmdtext << " "; } cout << "\n\n"; bool Running = true; while(Running) { string input; int cmd; cout << "Command or (Q)uit: "; cin >> input; if(input == "") break; // find input in commands and set cmd cmd = 0; for (auto& cmdtext : commands) { if ( cmdtext == input) break; cmd++; } // switch on COMMANDS and do the work. switch (cmd) { case UP: cout << "Moving UP\n"; break; case DOWN: cout << "Moving DOWN\n"; break; case LEFT: cout << "Moving LEFT\n"; break; case RIGHT: cout << "Moving RIGHT\n"; break; case QUIT: case Q: cout << "Quitting\n"; Running = false; break; default: // -1 (ERROR) // do error handling here cout << input << " not found\n"; } } // Running = false return 0; }

CPP Switch on a String