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     int y, m;
  19     std::cout << "   Enter Year(ex: 2002): ";
  20     std::cin >> y;
  21     year = greg_year(y);
  22     std::cout << "   Enter Month(1..12): ";
  23     std::cin >> m;
  24     month = greg_month(m);
  25   }
  26   catch(bad_year by) {
  27     std::cout << "Invalid Year Entered: " << by.what() << '\n'
  28       << "Using minimum values for month and year." << std::endl;
  29   }
  30   catch(bad_month bm) {
  31     std::cout << "Invalid Month Entered" << bm.what() << '\n'
  32       << "Using minimum value for month. " << std::endl;
  33   }
  34
  35   date start_of_next_year(year+1, Jan, 1);
  36   date d(year, month, 1);
  37
  38   // add another month to d until we enter the next year.
  39   while (d < start_of_next_year){
  40     std::cout << to_simple_string(d.end_of_month()) << std::endl;
  41     d += months(1);
  42   }
  43
  44   return 0;
  45 }
  46
  47 /*  Copyright 2001-2005: CrystalClear Software, Inc
  48  *  http://www.crystalclearsoftware.com
  49  *
  50  *  Subject to the Boost Software License, Version 1.0.
  51  * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  52  */
  53