#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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
*/
#include "boost/date_time/constrained_value.hpp"
#include <stdexcept>
#include <string>
namespace boost {
namespace gregorian {
//! Exception type for gregorian day of month (1..31)
struct 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 greg_day : public greg_day_rep {
public:
greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {}
unsigned short as_number() const {return value_;}
operator unsigned short() const {return value_;}
private:
};
} } //namespace gregorian
#endif
Submit an article or tip