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- #ifndef GREG_YEAR_HPP___
- #define GREG_YEAR_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
- * $Date$
- */
- #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..9999"))
- {}
- };
- //! Policy class that declares error handling gregorian year type
- typedef CV::simple_exception_policy<unsigned short, 1400, 9999, 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 - 9999)
- /*! 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 9999. 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:
- BOOST_CXX14_CONSTEXPR greg_year(value_type year) : greg_year_rep(year) {}
- BOOST_CXX14_CONSTEXPR operator value_type() const {return value_;}
- };
- } } //namespace gregorian
- #endif
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