boost/date_time/gregorian/greg_weekday.hpp
#ifndef GREG_WEEKDAY_HPP___
#define GREG_WEEKDAY_HPP___
/* Copyright (c) 2002,2003,2020 CrystalClear Software, Inc.
* Use, modification and distribution is 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)
* Author: Jeff Garland, Bart Garst
* $Date$
*/
#include <boost/date_time/constrained_value.hpp>
#include <boost/date_time/date_defs.hpp>
#include <boost/date_time/compiler_config.hpp>
#include <stdexcept>
#include <string>
namespace boost {
namespace gregorian {
//bring enum values into the namespace
using date_time::Sunday;
using date_time::Monday;
using date_time::Tuesday;
using date_time::Wednesday;
using date_time::Thursday;
using date_time::Friday;
using date_time::Saturday;
//! Exception that flags that a weekday number is incorrect
struct BOOST_SYMBOL_VISIBLE bad_weekday : public std::out_of_range
{
bad_weekday() : std::out_of_range(std::string("Weekday is out of range 0..6")) {}
};
typedef CV::simple_exception_policy<unsigned short, 0, 6, bad_weekday> greg_weekday_policies;
typedef CV::constrained_value<greg_weekday_policies> greg_weekday_rep;
//! Represent a day within a week (range 0==Sun to 6==Sat)
class BOOST_SYMBOL_VISIBLE greg_weekday : public greg_weekday_rep {
public:
typedef boost::date_time::weekdays weekday_enum;
BOOST_CXX14_CONSTEXPR greg_weekday(value_type day_of_week_num) :
greg_weekday_rep(day_of_week_num)
{}
BOOST_CXX14_CONSTEXPR value_type as_number() const {return value_;}
BOOST_CXX14_CONSTEXPR weekday_enum as_enum() const {return static_cast<weekday_enum>(value_);}
//! Return a 3 digit english string of the day of week (eg: Sun)
const char* as_short_string() const
{
static const char* const short_weekday_names[]
= {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
return short_weekday_names[value_];
}
//! Return a point to a long english string representing day of week
const char* as_long_string() const
{
static const char* const long_weekday_names[]
= {"Sunday","Monday","Tuesday","Wednesday", "Thursday", "Friday", "Saturday"};
return long_weekday_names[value_];
}
#ifndef BOOST_NO_STD_WSTRING
//! Return a 3 digit english wchar_t string of the day of week (eg: Sun)
const wchar_t* as_short_wstring() const
{
static const wchar_t* const w_short_weekday_names[]={L"Sun", L"Mon", L"Tue",
L"Wed", L"Thu", L"Fri", L"Sat"};
return w_short_weekday_names[value_];
}
//! Return a point to a long english wchar_t string representing day of week
const wchar_t* as_long_wstring() const
{
static const wchar_t* const w_long_weekday_names[]= {L"Sunday",L"Monday",L"Tuesday",
L"Wednesday", L"Thursday",
L"Friday", L"Saturday"};
return w_long_weekday_names[value_];
}
#endif // BOOST_NO_STD_WSTRING
};
} } //namespace gregorian
#endif