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#include "Menu.h"
#include "Toolbox.hpp"
#include <cstring>
Menu::Menu() : menuOptions() {}
/*!
* Prints the title, then an Error/Warning/Sucess message (if set),
* prints all command names as an ordered list (starting from 1),
* waits for user input to select one of those commands (by list number)
* and finally executes the appropriate command's run() function.
*
* After the run() function exists, everything is reprinted.
* The 0 list index is always "Go Back"/"Exit" and it always stops the reprinting loop.
*
* If there are no commands, prints "Menu is empty!".
* If user input doesn't correspond to any command, registers an error message and reprints.
*/
void Menu::navigate() const {
if (menuOptions.get_count() == 0) {
printLine("Menu is empty!");
return;
}
char buffer[MAX_LINE_WIDTH];
while (buffer != 0) {
clear();
inputLineBox("> ", buffer, MAX_LINE_WIDTH);
unsigned index = menuOptions.get_count();
for (unsigned i = 0; i < menuOptions.get_count(); i++) {
if (strncmp(buffer, menuOptions[i].get_nameInMenu(), MAX_LINE_WIDTH) == 0) {
index = i;
break;
}
}
if (index > menuOptions.get_count()) {
printline("Invalid menu option!");
continue;
}
menuOptions[index].run();
}
}
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