ceph/src/boost/libs/date_time/xmldoc/ex_end_of_month_day.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
   3 "../../../tools/boostbook/dtd/boostbook.dtd">
   4
   5 <!-- Copyright (c) 2001-2004 CrystalClear Software, Inc.
   6      Subject to the Boost Software License, Version 1.0.
   7      (See accompanying file LICENSE_1_0.txt or  http://www.boost.org/LICENSE_1_0.txt)
   8 -->
   9
  10 <section id="date_time.examples.end_of_month_day">
  11   <title>End of the Months</title>
  12
  13   <para>
  14     Iterates accross the remaining months in a given year, always landing on the last day of the month.
  15   </para>
  16   <programlisting>
  17     <![CDATA[
  18   /* Simple program that uses the gregorian calendar to find the last
  19    * day of the month and then display the last day of every month left
  20    * in the year.
  21    */
  22
  23   #include "boost/date_time/gregorian/gregorian.hpp"
  24   #include <iostream>
  25
  26   int
  27   main()
  28   {
  29     using namespace boost::gregorian;
  30
  31     std::cout << "   Enter Year(ex: 2002): ";
  32     int year, month;
  33     std::cin >> year;
  34     std::cout << "   Enter Month(1..12): ";
  35     std::cin >> month;
  36     try {
  37       int day = gregorian_calendar::end_of_month_day(year,month);
  38       date end_of_month(year,month,day);
  39
  40       //Iterate thru by months --
  41       month_iterator mitr(end_of_month,1);
  42       date start_of_next_year(year+1, Jan, 1);
  43       //loop thru the days and print each one
  44       while (mitr < start_of_next_year){
  45         std::cout << to_simple_string(*mitr) << std::endl;
  46         ++mitr;
  47       }
  48
  49     }
  50     catch(...) {
  51       std::cout << "Invalid Date Entered" << std::endl;
  52     }
  53     return 0;
  54
  55   }
  56
  57     ]]>
  58   </programlisting>
  59 </section>