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