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

   1 /* This example prints all the dates in a month. It demonstrates
   2  * the use of iterators as well as functions of the gregorian_calendar
   3  *
   4  * Output:
   5  * Enter Year: 2002
   6  * Enter Month(1..12): 2
   7  * 2002-Feb-01 [Fri]
   8  * 2002-Feb-02 [Sat]
   9  * 2002-Feb-03 [Sun]
  10  * 2002-Feb-04 [Mon]
  11  * 2002-Feb-05 [Tue]
  12  * 2002-Feb-06 [Wed]
  13  * 2002-Feb-07 [Thu]
  14  */
  15
  16 #include "boost/date_time/gregorian/gregorian.hpp"
  17 #include <iostream>
  18
  19 int
  20 main()
  21 {
  22   std::cout << "Enter Year: ";
  23   int year, month;
  24   std::cin >> year;
  25   std::cout << "Enter Month(1..12): ";
  26   std::cin >> month;
  27
  28   using namespace boost::gregorian;
  29   try {
  30     //Use the calendar to get the last day of the month
  31     int eom_day = gregorian_calendar::end_of_month_day(year,month);
  32     date endOfMonth(year,month,eom_day);
  33
  34     //construct an iterator starting with firt day of the month
  35     day_iterator ditr(date(year,month,1));
  36     //loop thru the days and print each one
  37     for (; ditr <= endOfMonth; ++ditr) {
  38 #if defined(BOOST_DATE_TIME_NO_LOCALE)
  39       std::cout << to_simple_string(*ditr) << " ["
  40 #else
  41       std::cout << *ditr << " ["
  42 #endif
  43                 << ditr->day_of_week() << " week: "
  44                 << ditr->week_number() << "]"
  45                 << std::endl;
  46     }
  47   }
  48   catch(std::exception& e) {
  49
  50     std::cout << "Error bad date, check your entry: \n"
  51               << "  Details: " << e.what() << std::endl;
  52   }
  53   return 0;
  54 }
  55
  56 /*  Copyright 2001-2004: CrystalClear Software, Inc
  57  *  http://www.crystalclearsoftware.com
  58  *
  59  *  Subject to the Boost Software License, Version 1.0.
  60  * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
  61  */
  62