ceph/src/boost/libs/date_time/example/gregorian/find_last_day_of_months.cpp

   1 /* Simple program that finds the last day of the given month,
   2  * then displays the last day of every month left in the given year.
   3  */
   4
   5 #include "boost/date_time/gregorian/gregorian.hpp"
   6 #include <iostream>
   7
   8 int
   9 main()
  10 {
  11   using namespace boost::gregorian;
  12
  13   greg_year year(1400);
  14   greg_month month(1);
  15
  16   // get a month and a year from the user
  17   try {
  18     greg_year::value_type y;
  19     greg_month::value_type m;
  20     std::cout << "   Enter Year(ex: 2002): ";
  21     std::cin >> y;
  22     year = greg_year(y);
  23     std::cout << "   Enter Month(1..12): ";
  24     std::cin >> m;
  25     month = greg_month(m);
  26   }
  27   catch(const bad_year& by) {
  28     std::cout << "Invalid Year Entered: " << by.what() << '\n'
  29       << "Using minimum values for month and year." << std::endl;
  30   }
  31   catch(const bad_month& bm) {
  32     std::cout << "Invalid Month Entered" << bm.what() << '\n'
  33       << "Using minimum value for month. " << std::endl;
  34   }
  35
  36   date start_of_next_year(year+1, Jan, 1);
  37   date d(year, month, 1);
  38
  39   // add another month to d until we enter the next year.
  40   while (d < start_of_next_year){
  41     std::cout << to_simple_string(d.end_of_month()) << std::endl;
  42     d += months(1);
  43   }
  44
  45   return 0;
  46 }
  47
  48 /*  Copyright 2001-2005: CrystalClear Software, Inc
  49  *  http://www.crystalclearsoftware.com
  50  *
  51  *  Subject to the Boost Software License, Version 1.0.
  52  * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  53  */
  54