#include #include #include "util.h" struct address{ address *next; string email; }; void newAddress(string email, address* &head){ address *a = new address; a->email = email; a->next = head; head = a; } void removeAddress(string email, address* &head){ if (email == head->email) { head = head->next; } else { address *prev = head; address *temp = head->next; while (temp){ if (temp->email == email){ prev->next = temp->next; cout << email << " has been removed." << endl; break; } else if (temp->next != nullptr){ prev = temp; temp = temp->next; } else { cout << "Email not found" << endl; break; } } } } string forwardingAddress(address* head, string givenEmail, string forwardTo){ if (head == nullptr){ return "No valid Email"; } else if (givenEmail == head->email){ return forwardTo; } else if (head->next != nullptr) { return forwardingAddress(head->next, givenEmail, forwardTo); } return "No Valid Email"; } void readInput(map &emails){ ifstream in; in.open("initial.txt"); string line; while (true) { getline(in, line); if (in.fail()) break; vector input = splitLine(line, ','); address *newA = nullptr; newAddress(input[1], newA); emails.insert(pair (input[0], newA)); } } void printMenu(){ cout << "Please select an option:" << endl; cout << "1 - Add a new email" << endl; cout << "2 - Remove an email" << endl; cout << "3 - Find a Forwarding email address" << endl; cout << "4 - Exit" << endl; } int main(){ map emails; readInput(emails); while (true){ printMenu(); int option = readInt(1,4, ">> "); if (option == 4) break; string name = readLine("Please enter the name(try Armando Davidson): "); string email = readLine("Please enter the email address (try Armando.Davidson@harrdrockhigh.edu for existing email): "); cout << endl; if (option == 1){ newAddress(email, emails[name]); cout << email << " has been added." << endl; } else if (option == 2){ map::iterator it; it = emails.find(name); if (it != emails.end()) { removeAddress(email, emails[name]); } else { cout << "That is not a valid name" << endl; } } else if (option == 3){ if (emails[name] != nullptr){ string result = forwardingAddress(emails[name], email, emails[name]->email); if (result != "No Valid Email") { cout << "Verified - Send email to " << result << endl; } else { cout << "That email could not be verified." << endl; } } else { cout << "There is no email on record for that name." << endl; } } cout << endl; } return 0; }