ceph/src/boost/boost/date_time/gregorian/greg_year.hpp

   1 #ifndef GREG_YEAR_HPP___
   2 #define GREG_YEAR_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
   9  * $Date$
  10  */
  11
  12 #include <boost/date_time/compiler_config.hpp>
  13 #include <boost/date_time/constrained_value.hpp>
  14 #include <stdexcept>
  15 #include <string>
  16
  17 namespace boost {
  18 namespace gregorian {
  19
  20   //! Exception type for gregorian year
  21   struct BOOST_SYMBOL_VISIBLE bad_year : public std::out_of_range
  22   {
  23     bad_year() :
  24       std::out_of_range(std::string("Year is out of valid range: 1400..10000"))
  25     {}
  26   };
  27   //! Policy class that declares error handling gregorian year type
  28   typedef CV::simple_exception_policy<unsigned short, 1400, 10000, bad_year> greg_year_policies;
  29
  30   //! Generated representation for gregorian year
  31   typedef CV::constrained_value<greg_year_policies> greg_year_rep;
  32
  33   //! Represent a year (range 1400 - 10000)
  34   /*! This small class allows for simple conversion an integer value into
  35       a year for the gregorian calendar.  This currently only allows a
  36       range of 1400 to 10000.  Both ends of the range are a bit arbitrary
  37       at the moment, but they are the limits of current testing of the
  38       library.  As such they may be increased in the future.
  39   */
  40   class BOOST_SYMBOL_VISIBLE greg_year : public greg_year_rep {
  41   public:
  42     greg_year(value_type year) : greg_year_rep(year) {}
  43     operator value_type()  const {return value_;}
  44   };
  45
  46
  47
  48 } } //namespace gregorian
  49
  50
  51
  52 #endif