58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
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#ifndef GREG_DAY_HPP___
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#define GREG_DAY_HPP___
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/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
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* Use, modification and distribution is subject to the
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* Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
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* Author: Jeff Garland
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* $Date$
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*/
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#include "boost/date_time/constrained_value.hpp"
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#include <stdexcept>
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#include <string>
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namespace boost {
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namespace gregorian {
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//! Exception type for gregorian day of month (1..31)
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struct bad_day_of_month : public std::out_of_range
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{
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bad_day_of_month() :
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std::out_of_range(std::string("Day of month value is out of range 1..31"))
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{}
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//! Allow other classes to throw with unique string for bad day like Feb 29
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bad_day_of_month(const std::string& s) :
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std::out_of_range(s)
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{}
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};
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//! Policy class that declares error handling and day of month ranges
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typedef CV::simple_exception_policy<unsigned short, 1, 31, bad_day_of_month> greg_day_policies;
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//! Generated represetation for gregorian day of month
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typedef CV::constrained_value<greg_day_policies> greg_day_rep;
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//! Represent a day of the month (range 1 - 31)
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/*! This small class allows for simple conversion an integer value into
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a day of the month for a standard gregorian calendar. The type
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is automatically range checked so values outside of the range 1-31
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will cause a bad_day_of_month exception
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*/
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class greg_day : public greg_day_rep {
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public:
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greg_day(unsigned short day_of_month) : greg_day_rep(day_of_month) {}
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unsigned short as_number() const {return value_;}
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operator unsigned short() const {return value_;}
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private:
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};
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} } //namespace gregorian
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#endif
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