boost/date_time/gregorian/greg_weekday.hpp

   1 #ifndef GREG_WEEKDAY_HPP___
   2 #define GREG_WEEKDAY_HPP___
   3
   4 /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
   5  * Use, modification and distribution is subject to the
   6  * Boost Software License, Version 1.0. (See accompanying
   7  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   8  * Author: Jeff Garland, Bart Garst
   9  * $Date$
  10  */
  11
  12 #include "boost/date_time/constrained_value.hpp"
  13 #include "boost/date_time/date_defs.hpp"
  14 #include "boost/date_time/compiler_config.hpp"
  15 #include <stdexcept>
  16 #include <string>
  17
  18 namespace boost {
  19 namespace gregorian {
  20
  21   //bring enum values into the namespace
  22   using date_time::Sunday;
  23   using date_time::Monday;
  24   using date_time::Tuesday;
  25   using date_time::Wednesday;
  26   using date_time::Thursday;
  27   using date_time::Friday;
  28   using date_time::Saturday;
  29
  30
  31   //! Exception that flags that a weekday number is incorrect
  32   struct bad_weekday : public std::out_of_range
  33   {
  34     bad_weekday() : std::out_of_range(std::string("Weekday is out of range 0..6")) {}
  35   };
  36   typedef CV::simple_exception_policy<unsigned short, 0, 6, bad_weekday> greg_weekday_policies;
  37   typedef CV::constrained_value<greg_weekday_policies> greg_weekday_rep;
  38
  39
  40   //! Represent a day within a week (range 0==Sun to 6==Sat)
  41   class BOOST_DATE_TIME_DECL greg_weekday : public greg_weekday_rep {
  42   public:
  43     typedef boost::date_time::weekdays weekday_enum;
  44     greg_weekday(unsigned short day_of_week_num) :
  45       greg_weekday_rep(day_of_week_num)
  46     {}
  47
  48     unsigned short as_number() const {return value_;}
  49     const char* as_short_string() const;
  50     const char* as_long_string()  const;
  51 #ifndef BOOST_NO_STD_WSTRING
  52     const wchar_t* as_short_wstring() const;
  53     const wchar_t* as_long_wstring()  const;
  54 #endif // BOOST_NO_STD_WSTRING
  55     weekday_enum as_enum() const {return static_cast<weekday_enum>(value_);}
  56
  57
  58   };
  59
  60
  61
  62 } } //namespace gregorian
  63
  64
  65
  66 #endif