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- <?xml version="1.0" encoding="utf-8"?>
- <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
- "../../../tools/boostbook/dtd/boostbook.dtd">
- <!-- Copyright (c) 2001-2004 CrystalClear Software, Inc.
- Subject to the Boost Software License, Version 1.0.
- (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
- -->
- <section id="date_time.examples.print_month">
- <title>Print Month</title>
- <para>
- Simple utility to print out days of the month with the days of a month. Demontstrates date iteration (date_time::date_itr).
- </para>
- <programlisting>
- <![CDATA[
- /* This example prints all the dates in a month. It demonstrates
- * the use of iterators as well as functions of the gregorian_calendar
- *
- * Output:
- * Enter Year: 2002
- * Enter Month(1..12): 2
- * 2002-Feb-01 [Fri]
- * 2002-Feb-02 [Sat]
- * 2002-Feb-03 [Sun]
- * 2002-Feb-04 [Mon]
- * 2002-Feb-05 [Tue]
- * 2002-Feb-06 [Wed]
- * 2002-Feb-07 [Thu]
- */
- #include "boost/date_time/gregorian/gregorian.hpp"
- #include <iostream>
- int
- main()
- {
- std::cout << "Enter Year: ";
- int year, month;
- std::cin >> year;
- std::cout << "Enter Month(1..12): ";
- std::cin >> month;
- using namespace boost::gregorian;
- try {
- //Use the calendar to get the last day of the month
- int eom_day = gregorian_calendar::end_of_month_day(year,month);
- date endOfMonth(year,month,eom_day);
- //construct an iterator starting with firt day of the month
- day_iterator ditr(date(year,month,1));
- //loop thru the days and print each one
- for (; ditr <= endOfMonth; ++ditr) {
- #if defined(BOOST_DATE_TIME_NO_LOCALE)
- std::cout << to_simple_string(*ditr) << " ["
- #else
- std::cout << *ditr << " ["
- #endif
- << ditr->day_of_week() << "]"
- << std::endl;
- }
- }
- catch(std::exception& e) {
- std::cout << "Error bad date, check your entry: \n"
- << " Details: " << e.what() << std::endl;
- }
- return 0;
- }
- ]]>
- </programlisting>
- </section>
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