ext-boost/boost/date_time/gregorian/greg_day.hpp
2019-08-24 15:39:04 +02:00

59 lines
1.8 KiB
C++

#ifndef GREG_DAY_HPP___
#define GREG_DAY_HPP___
/* Copyright (c) 2002,2003 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
* $Date$
*/
#include <boost/date_time/constrained_value.hpp>
#include <boost/date_time/compiler_config.hpp>
#include <stdexcept>
#include <string>
namespace boost {
namespace gregorian {
//! Exception type for gregorian day of month (1..31)
struct BOOST_SYMBOL_VISIBLE bad_day_of_month : public std::out_of_range
{
bad_day_of_month() :
std::out_of_range(std::string("Day of month value is out of range 1..31"))
{}
//! Allow other classes to throw with unique string for bad day like Feb 29
bad_day_of_month(const std::string& s) :
std::out_of_range(s)
{}
};
//! Policy class that declares error handling and day of month ranges
typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies;
//! Generated represetation for gregorian day of month
typedef CV::constrained_value<greg_day_policies> greg_day_rep;
//! Represent a day of the month (range 1 - 31)
/*! This small class allows for simple conversion an integer value into
a day of the month for a standard gregorian calendar. The type
is automatically range checked so values outside of the range 1-31
will cause a bad_day_of_month exception
*/
class BOOST_SYMBOL_VISIBLE greg_day : public greg_day_rep {
public:
greg_day(value_type day_of_month) : greg_day_rep(day_of_month) {}
value_type as_number() const {return value_;}
operator value_type() const {return value_;}
private:
};
} } //namespace gregorian
#endif