ptime.hpp

来自「Boost provides free peer-reviewed portab」· HPP 代码 · 共 66 行

#ifndef POSIX_PTIME_HPP___
#define POSIX_PTIME_HPP___

/* Copyright (c) 2002,2003 CrystalClear Software, Inc.
 * Use, modification and distribution is subject to the 
 * Boost Software License, Version 1.0. (See accompanying
 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
 * Author: Jeff Garland 
 * $Date: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $
 */

#include "boost/date_time/posix_time/posix_time_system.hpp"
#include "boost/date_time/time.hpp"

namespace boost {

namespace posix_time {
 
  //bring special enum values into the namespace
  using date_time::special_values;
  using date_time::not_special;
  using date_time::neg_infin;
  using date_time::pos_infin;
  using date_time::not_a_date_time;
  using date_time::max_date_time;
  using date_time::min_date_time; 
  
  //! Time type with no timezone or other adjustments
  /*! \ingroup time_basics
   */
  class ptime : public date_time::base_time<ptime, posix_time_system>
  {
  public:
    typedef posix_time_system time_system_type;
    typedef time_system_type::time_rep_type time_rep_type;
    typedef time_system_type::time_duration_type time_duration_type;
    typedef ptime time_type;
    //! Construct with date and offset in day
    ptime(gregorian::date d,time_duration_type td) : date_time::base_time<time_type,time_system_type>(d,td)
    {}
    //! Construct a time at start of the given day (midnight)
    explicit ptime(gregorian::date d) : date_time::base_time<time_type,time_system_type>(d,time_duration_type(0,0,0))
    {}
    //! Copy from time_rep
    ptime(const time_rep_type& rhs):
      date_time::base_time<time_type,time_system_type>(rhs)
    {}
    //! Construct from special value
    ptime(const special_values sv) : date_time::base_time<time_type,time_system_type>(sv)
    {}
#if !defined(DATE_TIME_NO_DEFAULT_CONSTRUCTOR)
    // Default constructor constructs to not_a_date_time
    ptime() : date_time::base_time<time_type,time_system_type>(gregorian::date(not_a_date_time), time_duration_type(not_a_date_time))
    {}
#endif // DATE_TIME_NO_DEFAULT_CONSTRUCTOR
      
  };



} }//namespace posix_time


#endif