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#ifndef GREG_YEAR_HPP___
#define GREG_YEAR_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/compiler_config.hpp>
#include <boost/date_time/constrained_value.hpp>
#include <stdexcept>
#include <string>
namespace boost {
namespace gregorian {
//! Exception type for gregorian year
struct BOOST_SYMBOL_VISIBLE bad_year : public std::out_of_range
{
bad_year() :
std::out_of_range(std::string("Year is out of valid range: 1400..10000"))
{}
};
//! Policy class that declares error handling gregorian year type
typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies;
//! Generated representation for gregorian year
typedef CV::constrained_value<greg_year_policies> greg_year_rep;
//! Represent a year (range 1400 - 10000)
/*! This small class allows for simple conversion an integer value into
a year for the gregorian calendar. This currently only allows a
range of 1400 to 10000. Both ends of the range are a bit arbitrary
at the moment, but they are the limits of current testing of the
library. As such they may be increased in the future.
*/
class BOOST_SYMBOL_VISIBLE greg_year : public greg_year_rep {
public:
greg_year(value_type year) : greg_year_rep(year) {}
operator value_type() const {return value_;}
};
} } //namespace gregorian
#endif
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