#include <iostream.h>
#include <stdlib.h>
#include <ctype.h>
#include <strstream.h>
#include "CPstring.h"

// file: sales2.cc
// author      Dietolf Ramm;  date: 11/14/96
// Process sales ticket with one or more names followed by variable
//   number of numbers
// Illustrate using string streams

double Summary(string & ticket)
// precondition: ticket contains one or more names followed by one or
//   more numbers
// postcondition: names, number of numbers and sum of numbers is printed
{
   int numsales = 1;
   istrstream indata(ticket);
   string word, name = "";
   double sale, sales = 0.0;

   while (indata >> word)
   {
      if (isdigit(word[0]))
         break;
      name += word + " ";
   }
      sales = atof(word);

   while (indata >> sale)
   {
      sales += sale;
      numsales++;
   }
   cout << name << " sold " << numsales << " items worth " << sales << endl;
   return sales;
}

int main()
{
   string ticket;
   double total = 0.0;
   cout.setf(ios::fixed);
   cout.setf(ios::showpoint);

   cout.precision(2);

   cout << "Type sale info (enter to quit)"  << endl;
   getline(cin, ticket);
   while (ticket.length() > 0)
   {
      total += Summary(ticket);
      cout << "Type sale info (enter to quit)"  << endl;
      getline(cin, ticket);
   }
   cout << "Total sales were " << total << endl;

   return 0;
}

Sample output:

sales2
Type sale info (enter to quit)
D. Ramm 23.50 40 199.95
D. Ramm  sold 3 items worth 263.45
Type sale info (enter to quit)
John Queue Public 13.95 44.80
John Queue Public  sold 2 items worth 58.75
Type sale info (enter to quit)
Mary Marie 1898.25
Mary Marie  sold 1 items worth 1898.25
Type sale info (enter to quit)
team 24.95
team  sold 1 items worth 24.95
Type sale info (enter to quit)

Total sales were 2245.40