[857] | 1 | #ifndef GREG_MONTH_HPP___
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| 2 | #define GREG_MONTH_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 or http://www.boost.org/LICENSE-1.0)
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| 8 | * Author: Jeff Garland, Bart Garst
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| 9 | * $Date: 2004/08/27 23:30:30 $
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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 "boost/date_time/date_defs.hpp"
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| 14 | #include "boost/shared_ptr.hpp"
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| 15 | #include "boost/date_time/compiler_config.hpp"
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| 16 | #include <stdexcept>
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| 17 | #include <string>
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| 18 | #include <map>
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| 19 | #include <algorithm>
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| 20 | #include <cctype>
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| 21 |
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| 22 | namespace boost {
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| 23 | namespace gregorian {
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| 24 |
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| 25 | typedef date_time::months_of_year months_of_year;
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| 26 |
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| 27 | //bring enum values into the namespace
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| 28 | using date_time::Jan;
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| 29 | using date_time::Feb;
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| 30 | using date_time::Mar;
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| 31 | using date_time::Apr;
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| 32 | using date_time::May;
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| 33 | using date_time::Jun;
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| 34 | using date_time::Jul;
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| 35 | using date_time::Aug;
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| 36 | using date_time::Sep;
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| 37 | using date_time::Oct;
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| 38 | using date_time::Nov;
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| 39 | using date_time::Dec;
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| 40 | using date_time::NotAMonth;
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| 41 | using date_time::NumMonths;
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| 42 |
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| 43 | //! Exception thrown if a greg_month is constructed with a value out of range
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| 44 | struct bad_month : public std::out_of_range
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| 45 | {
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| 46 | bad_month() : std::out_of_range(std::string("Month number is out of range 1..12")) {}
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| 47 | };
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| 48 | //! Build a policy class for the greg_month_rep
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| 49 | typedef CV::simple_exception_policy<unsigned short, 1, 12, bad_month> greg_month_policies;
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| 50 | //! A constrained range that implements the gregorian_month rules
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| 51 | typedef CV::constrained_value<greg_month_policies> greg_month_rep;
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| 52 |
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| 53 |
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| 54 | //! Wrapper class to represent months in gregorian based calendar
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| 55 | class BOOST_DATE_TIME_DECL greg_month : public greg_month_rep {
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| 56 | public:
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| 57 | typedef date_time::months_of_year month_enum;
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| 58 | typedef std::map<std::string, unsigned short> month_map_type;
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| 59 | typedef boost::shared_ptr<month_map_type> month_map_ptr_type;
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| 60 | //! Construct a month from the months_of_year enumeration
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| 61 | greg_month(month_enum theMonth) :
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| 62 | greg_month_rep(static_cast<greg_month_rep::value_type>(theMonth)) {}
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| 63 | //! Construct from a short value
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| 64 | greg_month(unsigned short theMonth) : greg_month_rep(theMonth) {}
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| 65 | //! Convert the value back to a short
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| 66 | operator unsigned short() const {return value_;}
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| 67 | //! Returns month as number from 1 to 12
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| 68 | unsigned short as_number() const {return value_;}
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| 69 | month_enum as_enum() const {return static_cast<month_enum>(value_);}
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| 70 | const char* as_short_string() const;
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| 71 | const char* as_long_string() const;
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| 72 | #ifndef BOOST_NO_STD_WSTRING
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| 73 | const wchar_t* as_short_wstring() const;
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| 74 | const wchar_t* as_long_wstring() const;
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| 75 | #endif // BOOST_NO_STD_WSTRING
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| 76 | //! Shared pointer to a map of Month strings (Names & Abbrev) & numbers
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| 77 | static month_map_ptr_type get_month_map_ptr();
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| 78 |
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| 79 | /* parameterized as_*_string functions are intended to be called
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| 80 | * from a template function: "... as_short_string(charT c='\0');" */
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| 81 | const char* as_short_string(char) const
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| 82 | {
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| 83 | return as_short_string();
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| 84 | }
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| 85 | const char* as_long_string(char) const
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| 86 | {
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| 87 | return as_long_string();
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| 88 | }
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| 89 | #ifndef BOOST_NO_STD_WSTRING
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| 90 | const wchar_t* as_short_string(wchar_t) const
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| 91 | {
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| 92 | return as_short_wstring();
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| 93 | }
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| 94 | const wchar_t* as_long_string(wchar_t) const
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| 95 | {
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| 96 | return as_long_wstring();
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| 97 | }
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| 98 | #endif // BOOST_NO_STD_WSTRING
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| 99 | };
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| 100 |
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| 101 | } } //namespace gregorian
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| 102 |
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| 103 |
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| 104 |
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| 105 | #endif
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