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113 lines
4.7 KiB
C++
113 lines
4.7 KiB
C++
/*
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The following shows the creation of a facet for the output of
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dates in German (please forgive me for any errors in my German --
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I'm not a native speaker).
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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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//Define a series of char arrays for short and long name strings to be
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//associated with date output.
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const char* const de_short_month_names[]={"Jan","Feb","Mar","Apr","Mai","Jun","Jul","Aug","Sep","Okt","Nov","Dez", "NAM"};
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const char* const de_long_month_names[]={"Januar","Februar","Marz","April","Mai","Juni","Juli","August","September","Oktober","November","Dezember","NichtDerMonat"};
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const char* const de_special_value_names[]={"NichtDatumzeit","-unbegrenztheit", "+unbegrenztheit"};
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const char* const de_long_weekday_names[]={"Sonntag", "Montag", "Dienstag","Mittwoch", "Donnerstag", "Freitag", "Samstag"};
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const char* const de_short_weekday_names[]={"Son", "Mon", "Die","Mit", "Don", "Fre", "Sam"};
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const char* const us_short_month_names[]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec", "NAD"};
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const char* const us_long_month_names[]={"January","February","March","April","May","June","July","August","September","October","November","December","Not-A-Date"};
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const char* const us_special_value_names[]={"Not-A-Date","-infinity", "+infinity"};
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const char* const us_long_weekday_names[]={"Sunday", "Monday", "Tuesday","Wenesday", "Thursday", "Friday", "Saturday"};
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const char* const us_short_weekday_names[]={"Sun", "Mon", "Tue","Wed", "Thu", "Fri", "Sat"};
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int
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main()
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{
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#ifndef BOOST_DATE_TIME_NO_LOCALE
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using namespace boost::gregorian;
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typedef boost::date_time::all_date_names_put<greg_facet_config> date_facet;
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//create a new local
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std::locale default_locale;
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std::locale german_dates1(default_locale,
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new date_facet(de_short_month_names,
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de_long_month_names,
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de_special_value_names,
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de_short_weekday_names,
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de_long_weekday_names,
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'.',
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boost::date_time::ymd_order_dmy,
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boost::date_time::month_as_integer));
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date d1(2002, Oct, 1);
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std::cout.imbue(german_dates1);
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// output the date in German using short month names
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std::cout << d1 << std::endl; //01.10.2002
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std::locale german_dates2(default_locale,
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new date_facet(de_short_month_names,
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de_long_month_names,
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de_special_value_names,
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de_short_weekday_names,
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de_long_weekday_names,
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'.',
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boost::date_time::ymd_order_dmy,
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boost::date_time::month_as_long_string));
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std::cout.imbue(german_dates2);
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greg_month m = d1.month();
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std::cout << m << std::endl; //Oktober
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greg_weekday wd = d1.day_of_week();
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std::cout << wd << std::endl; //Dienstag
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//Numeric date format with US month/day/year ordering
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std::locale usa_dates1(default_locale,
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new date_facet(us_short_month_names,
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us_long_month_names,
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us_special_value_names,
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us_short_weekday_names,
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us_long_weekday_names,
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'/',
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boost::date_time::ymd_order_us,
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boost::date_time::month_as_integer));
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std::cout.imbue(usa_dates1);
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std::cout << d1 << std::endl; // 10/01/2002
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//English names, iso order (year-month-day), '-' separator
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std::locale usa_dates2(default_locale,
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new date_facet(us_short_month_names,
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us_long_month_names,
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us_special_value_names,
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us_short_weekday_names,
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us_long_weekday_names,
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'-',
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boost::date_time::ymd_order_iso,
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boost::date_time::month_as_short_string));
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std::cout.imbue(usa_dates2);
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std::cout << d1 << std::endl; // 2002-Oct-01
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#else
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std::cout << "Sorry, localization is not supported by this compiler/library"
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<< std::endl;
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#endif
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return 0;
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}
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