c9f634b1d4
https://svn.boost.org/svn/boost/trunk ........ r43417 | danieljames | 2008-02-26 22:04:55 +0000 (Tue, 26 Feb 2008) | 2 lines Fix a link to Boost.Bimap. ........ r43418 | danieljames | 2008-02-26 22:07:25 +0000 (Tue, 26 Feb 2008) | 2 lines Change another link that's no longer in the repository to link to the website. ........ r43422 | danieljames | 2008-02-27 18:51:14 +0000 (Wed, 27 Feb 2008) | 1 line Fix broken copyright urls. Fixes #1573. ........ r43423 | danieljames | 2008-02-27 19:22:01 +0000 (Wed, 27 Feb 2008) | 1 line Fix incorrect links to copyright of the form 'http:#www.boost.org ........ [SVN r43425]
98 lines
2.7 KiB
XML
98 lines
2.7 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_holidays">
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<title>Print Holidays</title>
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<para>
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This is an example of using functors to define a holiday schedule
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</para>
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<programlisting>
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<![CDATA[
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/* Generate a set of dates using a collection of date generators
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* Output looks like:
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* Enter Year: 2002
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* 2002-Jan-01 [Tue]
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* 2002-Jan-21 [Mon]
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* 2002-Feb-12 [Tue]
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* 2002-Jul-04 [Thu]
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* 2002-Sep-02 [Mon]
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* 2002-Nov-28 [Thu]
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* 2002-Dec-25 [Wed]
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* Number Holidays: 7
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*/
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#include "boost/date_time/gregorian/gregorian.hpp"
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#include <algorithm>
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#include <functional>
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#include <vector>
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#include <iostream>
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#include <set>
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void
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print_date(boost::gregorian::date d)
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{
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using namespace boost::gregorian;
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#if defined(BOOST_DATE_TIME_NO_LOCALE)
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std::cout << to_simple_string(d) << " [" << d.day_of_week() << "]\n";
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#else
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std::cout << d << " [" << d.day_of_week() << "]\n";
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#endif
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}
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int
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main() {
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std::cout << "Enter Year: ";
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int year;
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std::cin >> year;
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using namespace boost::gregorian;
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//define a collection of holidays fixed by month and day
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std::vector<year_based_generator*> holidays;
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holidays.push_back(new partial_date(1,Jan)); //Western New Year
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holidays.push_back(new partial_date(4,Jul)); //US Independence Day
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holidays.push_back(new partial_date(25, Dec));//Christmas day
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//define a shorthand for the nth_day_of_the_week_in_month function object
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typedef nth_day_of_the_week_in_month nth_dow;
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//US labor day
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holidays.push_back(new nth_dow(nth_dow::first, Monday, Sep));
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//MLK Day
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holidays.push_back(new nth_dow(nth_dow::third, Monday, Jan));
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//Pres day
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holidays.push_back(new nth_dow(nth_dow::second, Tuesday, Feb));
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//Thanksgiving
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holidays.push_back(new nth_dow(nth_dow::fourth, Thursday, Nov));
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typedef std::set<date> date_set;
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date_set all_holidays;
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for(std::vector<year_based_generator*>::iterator it = holidays.begin();
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it != holidays.end(); ++it)
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{
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all_holidays.insert((*it)->get_date(year));
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}
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//print the holidays to the screen
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std::for_each(all_holidays.begin(), all_holidays.end(), print_date);
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std::cout << "Number Holidays: " << all_holidays.size() << std::endl;
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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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