/*
   teststring1.cpp
   CIS 150
   David Klick
   7/3/08
   
   This program demonstrates some simple C-style string functions.
*/

#include <iostream>
#include <cstring>
using std::cin;
using std::cout;

void cont();

int main() {
   char food[50];   // storage for favorite name
   char name[50];   // storage for whole name
   char first[20];  // storage for first name
   char middle[15]; // storage for middle name
   char last[20];   // storage for last name
   
   cout << "Please enter your favorite food: ";
   
   // safest way to get text input
   //   limits input to 49 characters
   //   allows blanks within input (unlike normal cin)
   cin.getline(food, 50, '\n');
   cout << "Your favorite food is " << food << ".\n";
   
   // get user's first middle and last names
   cout << "Please enter your first name: ";
   cin.getline(first, 20, '\n');
   cout << "Please enter your middle name: ";
   cin.getline(middle, 15, '\n');
   cout << "Please enter your last name: ";
   cin.getline(last, 20, '\n');
      
   cout << "Greetings, " << first << "!\n";
   cout << "Your official name is: " << last << ", " 
        << first << ' ' << middle << '\n';

   // start constructing full name using first name
   strcpy(name, first);

   // add middle name is there is one
   if (strlen(middle) > 0) {
      // add space if needed
      if (strlen(name) > 0) strcat(name, " ");
      // add middle name
      strcat(name, middle);
   }
   
   // add last name is there is one
   if (strlen(last) > 0) {
      // add space if needed
      if (strlen(name) > 0) strcat(name, " ");
      // add last name
      strcat(name, last);
   }

   cout << "Good-bye, " << name << ".\n";
   
   cont();
   return 0;
}

/*
   void cont();
   
   Arguments: none
   
   Returns: nothing
   
   Clears input buffer and pauses waiting for user 
   to press Enter.
*/
void cont() {
   if (cin.rdbuf()->sungetc() != -1 && cin.get() != '\n') cin.ignore(80,'\n');
   cout << "Press enter to continue...";
   cin.get();
}

/*
   Sample output:
   
   Please enter your favorite food: Hot Tamales
   Your favorite food is hot tamales.
   Please enter your first name: David
   Please enter your middle name: G.
   Please enter your last name: Klick
   Greetings, David!
   Your official name is: Klick, David G.
   Good-bye, David G. Klick.
*/