Chris@16: #ifndef GREG_MONTH_HPP___
Chris@16: #define GREG_MONTH_HPP___
Chris@16: 
Chris@16: /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
Chris@16:  * Use, modification and distribution is subject to the 
Chris@16:  * Boost Software License, Version 1.0. (See accompanying
Chris@16:  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  * Author: Jeff Garland, Bart Garst
Chris@101:  * $Date$
Chris@16:  */
Chris@16: 
Chris@16: #include "boost/date_time/constrained_value.hpp"
Chris@16: #include "boost/date_time/date_defs.hpp"
Chris@16: #include "boost/shared_ptr.hpp"
Chris@16: #include "boost/date_time/compiler_config.hpp"
Chris@16: #include <stdexcept>
Chris@16: #include <string>
Chris@16: #include <map>
Chris@16: #include <algorithm>
Chris@16: #include <cctype>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace gregorian {
Chris@16: 
Chris@16:   typedef date_time::months_of_year months_of_year;
Chris@16: 
Chris@16:   //bring enum values into the namespace
Chris@16:   using date_time::Jan;
Chris@16:   using date_time::Feb;
Chris@16:   using date_time::Mar;
Chris@16:   using date_time::Apr;
Chris@16:   using date_time::May;
Chris@16:   using date_time::Jun;
Chris@16:   using date_time::Jul;
Chris@16:   using date_time::Aug;
Chris@16:   using date_time::Sep;
Chris@16:   using date_time::Oct;
Chris@16:   using date_time::Nov;
Chris@16:   using date_time::Dec;
Chris@16:   using date_time::NotAMonth;
Chris@16:   using date_time::NumMonths;
Chris@16:   
Chris@16:   //! Exception thrown if a greg_month is constructed with a value out of range
Chris@16:   struct bad_month : public std::out_of_range
Chris@16:   {
Chris@16:     bad_month() : std::out_of_range(std::string("Month number is out of range 1..12")) {}
Chris@16:   };
Chris@16:   //! Build a policy class for the greg_month_rep
Chris@16:   typedef CV::simple_exception_policy<unsigned short, 1, 12, bad_month> greg_month_policies;
Chris@16:   //! A constrained range that implements the gregorian_month rules
Chris@16:   typedef CV::constrained_value<greg_month_policies> greg_month_rep;
Chris@16: 
Chris@16:   
Chris@16:   //! Wrapper class to represent months in gregorian based calendar
Chris@16:   class BOOST_DATE_TIME_DECL greg_month : public greg_month_rep {
Chris@16:   public:
Chris@16:     typedef date_time::months_of_year month_enum;
Chris@16:     typedef std::map<std::string, unsigned short> month_map_type;
Chris@16:     typedef boost::shared_ptr<month_map_type> month_map_ptr_type;
Chris@16:     //! Construct a month from the months_of_year enumeration
Chris@16:     greg_month(month_enum theMonth) : 
Chris@16:       greg_month_rep(static_cast<greg_month_rep::value_type>(theMonth)) {}
Chris@16:     //! Construct from a short value
Chris@16:     greg_month(unsigned short theMonth) : greg_month_rep(theMonth) {}
Chris@16:     //! Convert the value back to a short
Chris@16:     operator unsigned short()  const {return value_;}
Chris@16:     //! Returns month as number from 1 to 12
Chris@16:     unsigned short as_number() const {return value_;}
Chris@16:     month_enum as_enum() const {return static_cast<month_enum>(value_);}
Chris@16:     const char* as_short_string() const;
Chris@16:     const char* as_long_string()  const;
Chris@16: #ifndef BOOST_NO_STD_WSTRING
Chris@16:     const wchar_t* as_short_wstring() const;
Chris@16:     const wchar_t* as_long_wstring()  const;
Chris@16: #endif // BOOST_NO_STD_WSTRING
Chris@16:     //! Shared pointer to a map of Month strings (Names & Abbrev) & numbers
Chris@16:     static month_map_ptr_type get_month_map_ptr();
Chris@16: 
Chris@16:     /* parameterized as_*_string functions are intended to be called
Chris@16:      * from a template function: "... as_short_string(charT c='\0');" */
Chris@16:     const char* as_short_string(char) const
Chris@16:     {
Chris@16:       return as_short_string();
Chris@16:     }
Chris@16:     const char* as_long_string(char) const
Chris@16:     {
Chris@16:       return as_long_string();
Chris@16:     }
Chris@16: #ifndef BOOST_NO_STD_WSTRING
Chris@16:     const wchar_t* as_short_string(wchar_t) const
Chris@16:     {
Chris@16:       return as_short_wstring();
Chris@16:     }
Chris@16:     const wchar_t* as_long_string(wchar_t) const
Chris@16:     {
Chris@16:       return as_long_wstring();
Chris@16:     }
Chris@16: #endif // BOOST_NO_STD_WSTRING
Chris@16:   };
Chris@16: 
Chris@16: } } //namespace gregorian
Chris@16: 
Chris@16: 
Chris@16: 
Chris@16: #endif