mirror of
https://github.com/boostorg/date_time.git
synced 2026-01-28 19:12:17 +00:00
92 lines
2.6 KiB
C++
92 lines
2.6 KiB
C++
/*generate a set of dates using a collections of date generators
|
|
Output looks like:
|
|
Enter Year: 2002
|
|
2002-Jan-01 [Tue]
|
|
2002-Jan-21 [Mon]
|
|
2002-Feb-12 [Tue]
|
|
2002-Jul-04 [Thu]
|
|
2002-Sep-02 [Mon]
|
|
2002-Nov-28 [Thu]
|
|
2002-Dec-25 [Wed]
|
|
Number Holidays: 7
|
|
*/
|
|
|
|
|
|
#include "boost/date_time/gregorian/gregorian.hpp"
|
|
#include <algorithm>
|
|
#include <functional>
|
|
#include <vector>
|
|
#include <iostream>
|
|
#include <set>
|
|
|
|
|
|
void
|
|
print_date(boost::gregorian::date d)
|
|
{
|
|
std::cout << d << " [" << d.day_of_week() << "]\n";
|
|
}
|
|
|
|
|
|
int
|
|
main() {
|
|
|
|
std::cout << "Enter Year: ";
|
|
int year;
|
|
std::cin >> year;
|
|
|
|
|
|
using namespace boost::gregorian;
|
|
|
|
//define a collection of holidays fixed by month and day
|
|
std::vector<partial_date> holidays;
|
|
holidays.push_back(partial_date(1,Jan)); //Western New Year
|
|
holidays.push_back(partial_date(4,Jul)); //US Independence Day
|
|
holidays.push_back(partial_date(25, Dec));//Christmas day
|
|
|
|
|
|
//define a shorthand for the nkday function object
|
|
typedef boost::date_time::nth_kday_of_month<date> nkday;
|
|
//define a collection of nth kday holidays
|
|
std::vector<nkday> more_holidays;
|
|
more_holidays.push_back(nkday(nkday::first, Monday, Sep)); //US labor day
|
|
more_holidays.push_back(nkday(nkday::third, Monday, Jan)); //MLK Day
|
|
more_holidays.push_back(nkday(nkday::second, Tuesday, Feb)); //Pres day
|
|
more_holidays.push_back(nkday(nkday::fourth, Thursday, Nov)); //Thanksgiving
|
|
|
|
typedef std::set<date> date_set;
|
|
date_set all_holidays;
|
|
|
|
#if (defined(BOOST_MSVC) && (_MSC_VER <= 1200)) // 1200 == VC++ 6.0
|
|
std::cout << "Sorry, this example temporarily disabled on VC 6.\n"
|
|
<< "The std::transform isn't accepted by the compiler\n"
|
|
<< "So if you hack up the example without std::transform\n"
|
|
<< "it should work\n"
|
|
<< std::endl;
|
|
|
|
#else
|
|
|
|
//generate a set of concrete dates from the 'partial_date' holidays
|
|
//by calling the get_date functions
|
|
std::transform(holidays.begin(), holidays.end(),
|
|
std::insert_iterator<date_set>(all_holidays, all_holidays.begin()),
|
|
std::bind2nd(std::mem_fun_ref(&partial_date::get_date),
|
|
year));
|
|
|
|
//Now add in the 'floating' holidays
|
|
std::transform(more_holidays.begin(), more_holidays.end(),
|
|
std::insert_iterator<date_set>(all_holidays, all_holidays.begin()),
|
|
std::bind2nd(std::mem_fun_ref(&nkday::get_date),
|
|
year));
|
|
|
|
|
|
|
|
//print the holidays to the screen
|
|
std::for_each(all_holidays.begin(), all_holidays.end(), print_date);
|
|
std::cout << "Number Holidays: " << all_holidays.size() << std::endl;
|
|
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
}
|