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53 lines
1.6 KiB
53 lines
1.6 KiB
#ifndef GREG_YEAR_HPP___ |
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#define GREG_YEAR_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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
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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 year |
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struct bad_year : public std::out_of_range |
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{ |
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bad_year() : |
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std::out_of_range(std::string("Year is out of valid range: 1400..10000")) |
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{} |
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}; |
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//! Policy class that declares error handling gregorian year type |
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typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies; |
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//! Generated representation for gregorian year |
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typedef CV::constrained_value<greg_year_policies> greg_year_rep; |
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//! Represent a day of the month (range 1900 - 10000) |
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/*! This small class allows for simple conversion an integer value into |
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a year for the gregorian calendar. This currently only allows a |
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range of 1900 to 10000. Both ends of the range are a bit arbitrary |
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at the moment, but they are the limits of current testing of the |
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library. As such they may be increased in the future. |
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*/ |
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class greg_year : public greg_year_rep { |
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public: |
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greg_year(unsigned short year) : greg_year_rep(year) {} |
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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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