#ifndef GREG_MONTH_HPP___ #define GREG_MONTH_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 #include #include #include #include namespace boost { namespace gregorian { typedef date_time::months_of_year months_of_year; //bring enum values into the namespace using date_time::Jan; using date_time::Feb; using date_time::Mar; using date_time::Apr; using date_time::May; using date_time::Jun; using date_time::Jul; using date_time::Aug; using date_time::Sep; using date_time::Oct; using date_time::Nov; using date_time::Dec; using date_time::NotAMonth; using date_time::NumMonths; //! Exception thrown if a greg_month is constructed with a value out of range struct BOOST_SYMBOL_VISIBLE bad_month : public std::out_of_range { bad_month() : std::out_of_range(std::string("Month number is out of range 1..12")) {} }; //! Build a policy class for the greg_month_rep typedef CV::simple_exception_policy greg_month_policies; //! A constrained range that implements the gregorian_month rules typedef CV::constrained_value greg_month_rep; //! Wrapper class to represent months in gregorian based calendar class BOOST_SYMBOL_VISIBLE greg_month : public greg_month_rep { public: typedef date_time::months_of_year month_enum; //! Construct a month from the months_of_year enumeration BOOST_CXX14_CONSTEXPR greg_month(month_enum theMonth) : greg_month_rep(static_cast(theMonth)) {} //! Construct from a short value BOOST_CXX14_CONSTEXPR greg_month(value_type theMonth) : greg_month_rep(theMonth) {} //! Convert the value back to a short BOOST_CXX14_CONSTEXPR operator value_type() const {return value_;} //! Returns month as number from 1 to 12 BOOST_CXX14_CONSTEXPR value_type as_number() const {return value_;} BOOST_CXX14_CONSTEXPR month_enum as_enum() const {return static_cast(value_);} //! Returns 3 char english string for the month ex: Jan, Feb, Mar, Apr const char* as_short_string() const { static const char* const short_month_names[NumMonths] = {"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec", "NAM"}; return short_month_names[value_-1]; } //! Returns full name of month as string in english ex: January, February const char* as_long_string() const { static const char* const long_month_names[NumMonths] = {"January","February","March","April","May","June","July","August", "September","October","November","December","NotAMonth"}; return long_month_names[value_-1]; } #ifndef BOOST_NO_STD_WSTRING //! Returns 3 wchar_t english string for the month ex: Jan, Feb, Mar, Apr const wchar_t* as_short_wstring() const { static const wchar_t* const w_short_month_names[NumMonths] = {L"Jan",L"Feb",L"Mar",L"Apr",L"May",L"Jun",L"Jul",L"Aug",L"Sep",L"Oct", L"Nov",L"Dec",L"NAM"}; return w_short_month_names[value_-1]; } //! Returns full name of month as wchar_t string in english ex: January, February const wchar_t* as_long_wstring() const { static const wchar_t* const w_long_month_names[NumMonths] = {L"January",L"February",L"March",L"April",L"May",L"June",L"July",L"August", L"September",L"October",L"November",L"December",L"NotAMonth"}; return w_long_month_names[value_-1]; } #endif // BOOST_NO_STD_WSTRING /* parameterized as_*_string functions are intended to be called * from a template function: "... as_short_string(charT c='\0');" */ const char* as_short_string(char) const { return as_short_string(); } const char* as_long_string(char) const { return as_long_string(); } #ifndef BOOST_NO_STD_WSTRING const wchar_t* as_short_string(wchar_t) const { return as_short_wstring(); } const wchar_t* as_long_string(wchar_t) const { return as_long_wstring(); } #endif // BOOST_NO_STD_WSTRING }; } } //namespace gregorian #endif