1 | #ifndef GREG_YEAR_HPP___ |
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2 | #define GREG_YEAR_HPP___ |
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3 | |
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4 | /* Copyright (c) 2002,2003 CrystalClear Software, Inc. |
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5 | * Use, modification and distribution is subject to the |
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6 | * Boost Software License, Version 1.0. (See accompanying |
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7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
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8 | * Author: Jeff Garland |
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9 | * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ |
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10 | */ |
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11 | |
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12 | #include "boost/date_time/constrained_value.hpp" |
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13 | #include <stdexcept> |
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14 | #include <string> |
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15 | |
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16 | namespace boost { |
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17 | namespace gregorian { |
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18 | |
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19 | //! Exception type for gregorian year |
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20 | struct bad_year : public std::out_of_range |
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21 | { |
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22 | bad_year() : |
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23 | std::out_of_range(std::string("Year is out of valid range: 1400..10000")) |
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24 | {} |
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25 | }; |
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26 | //! Policy class that declares error handling gregorian year type |
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27 | typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies; |
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28 | |
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29 | //! Generated representation for gregorian year |
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30 | typedef CV::constrained_value<greg_year_policies> greg_year_rep; |
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31 | |
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32 | //! Represent a day of the month (range 1900 - 10000) |
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33 | /*! This small class allows for simple conversion an integer value into |
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34 | a year for the gregorian calendar. This currently only allows a |
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35 | range of 1900 to 10000. Both ends of the range are a bit arbitrary |
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36 | at the moment, but they are the limits of current testing of the |
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37 | library. As such they may be increased in the future. |
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38 | */ |
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39 | class greg_year : public greg_year_rep { |
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40 | public: |
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41 | greg_year(unsigned short year) : greg_year_rep(year) {} |
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42 | operator unsigned short() const {return value_;} |
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43 | private: |
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44 | |
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45 | }; |
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46 | |
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47 | |
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48 | |
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49 | } } //namespace gregorian |
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50 | |
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51 | |
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52 | |
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53 | #endif |
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