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#include <iostream> #include <string> #include <vector> // Class to represent a smart device class SmartDevice { public: virtual void status() const = 0; virtual void toggle() = 0; virtual ~SmartDevice() {} }; // Class to represent a smart light class SmartLight : public SmartDevice { public: SmartLight(const std::string& name) : name(name), isOn(false) {} void status() const override { std::cout << name << " Light is " << (isOn ? "On" : "Off") << std::endl; } void toggle() override { isOn = !isOn; } private: std::string name; bool isOn; }; // Class to represent a smart thermostat class SmartThermostat : public SmartDevice { public: SmartThermostat(double initialTemp) : temperature(initialTemp) {} void status() const override { std::cout << "Thermostat Temperature is " << temperature << "°C" << std::endl; } void toggle() override { // Placeholder for toggle functionality, not applicable for thermostat std::cout << "Thermostat temperature adjustment not supported in this simulation.\n"; } void setTemperature(double newTemp) { temperature = newTemp; } private: double temperature; }; // Class to represent a smart security system class SmartSecurity : public SmartDevice { public: SmartSecurity() : isArmed(false) {} void status() const override { std::cout << "Security System is " << (isArmed ? "Armed" : "Disarmed") << std::endl; } void toggle() override { isArmed = !isArmed; } private: bool isArmed; }; int main() { // Create smart devices SmartLight livingRoomLight("Living Room"); SmartThermostat thermostat(22.0); SmartSecurity securitySystem; // List of devices std::vector<SmartDevice*> devices = { &livingRoomLight, &thermostat, &securitySystem }; int choice; do { std::cout << "\nSmart Home Automation System\n"; std::cout << "1. Toggle Light\n"; std::cout << "2. Set Thermostat Temperature\n"; std::cout << "3. Toggle Security System\n"; std::cout << "4. Show Status\n"; std::cout << "5. Exit\n"; std::cout << "Enter your choice: "; std::cin >> choice; switch (choice) { case 1: livingRoomLight.toggle(); break; case 2: { double newTemp; std::cout << "Enter new temperature: "; std::cin >> newTemp; thermostat.setTemperature(newTemp); break; } case 3: securitySystem.toggle(); break; case 4: for (const auto& device : devices) { device->status(); } break; case 5: std::cout << "Exiting system.\n"; break; default: std::cout << "Invalid choice. Please try again.\n"; } } while (choice != 5); return 0; } |
Explanation
- SmartDevice Class:
- Attributes:
- Abstract base class for all smart devices.
- Methods:
status(): Pure virtual function to display the status of the device.toggle(): Pure virtual function to toggle the device’s state.
- Attributes:
- SmartLight Class:
- Attributes:
name: Name of the light.isOn: State of the light (on/off).
- Methods:
status(): Prints whether the light is on or off.toggle(): Toggles the light between on and off.
- Attributes:
- SmartThermostat Class:
- Attributes:
temperature: Current temperature setting.
- Methods:
status(): Prints the current temperature.toggle(): Placeholder for toggle functionality (not used here).setTemperature(double newTemp): Sets a new temperature value.
- Attributes:
- SmartSecurity Class:
- Attributes:
isArmed: State of the security system (armed/disarmed).
- Methods:
status(): Prints whether the security system is armed or disarmed.toggle(): Toggles the security system between armed and disarmed.
- Attributes:
- Main Function:
- Device Creation: Creates instances of
SmartLight,SmartThermostat, andSmartSecurity. - Device Management: Uses a vector of
SmartDevice*to manage and interact with devices. - User Interface:
- Provides a menu for the user to toggle devices, set the thermostat temperature, show the status of devices, or exit the program.
- Handles user input to perform actions on the devices.
- Device Creation: Creates instances of
Usage
- Smart Home Control: Simulates a basic smart home system where users can interact with and manage smart devices.
- Device Status and Control: Allows toggling devices on and off, setting temperatures, and displaying the current status of devices.