add solution of hw2

hws/ride_sharing/Driver.h

@@ -0,0 +1,54 @@
+#ifndef __DRIVER_H
+#define __DRIVER_H
+
+#include <string>
+
+class Driver {
+private:
+    std::string firstName;
+    std::string lastName;
+    std::string gender;
+    int age;
+    std::string phoneNumber;
+    double rating;
+    double latitude;
+    double longitude;
+    std::string vehicleType;
+    std::string currentState;
+    //rider's info
+    std::string riderFirstName;
+    std::string riderLastName;
+    std::string riderPhoneNumber;
+
+public:
+    //init
+    Driver();
+    Driver(const std::string &firstName, const std::string &lastName,
+           const std::string &gender, int age, const std::string &phoneNumber,
+           double rating, double latitude, double longitude,
+           const std::string &vehicleType, const std::string &currentState,
+           const std::string &riderFirstName, const std::string &riderLastName,
+           const std::string &riderPhoneNumber);
+
+    //getters & setters
+    const std::string& getFirstName() const;
+    const std::string& getLastName() const;
+    const std::string& getGender() const;
+    int getAge() const;
+    const std::string& getPhoneNumber() const;
+    double getRating() const;
+    double getLatitude() const;
+    double getLongitude() const;
+    const std::string& getVehicleType() const;
+    const std::string& getCurrentState() const;
+    const std::string& getRiderFirstName() const;
+    const std::string& getRiderLastName() const;
+    const std::string& getRiderPhoneNumber() const;
+
+    void setCurrentState(const std::string &state);
+    void setRiderInfo(const std::string &rf, const std::string &rl, const std::string &rp);
+    //return a string representation of the driver
+    std::string toFileString() const;
+};
+
+#endif