FM / date

/usr/include/boost/date_time

Name	Size	Mode	Actions
gregorian/	-	0755	rm
local_time/	-	0755	rm
posix_time/	-	0755	rm
adjust_functors.hpp	5467	0644	edit dl rm
compiler_config.hpp	5640	0644	edit dl rm
constrained_value.hpp	4224	0644	edit dl rm
c_local_time_adjustor.hpp	2631	0644	edit dl rm
c_time.hpp	4496	0644	edit dl rm
date.hpp	7357	0644	edit dl rm
date_clock_device.hpp	2299	0644	edit dl rm
date_defs.hpp	701	0644	edit dl rm
date_duration.hpp	4669	0644	edit dl rm
date_duration_types.hpp	9186	0644	edit dl rm
date_facet.hpp	29314	0644	edit dl rm
date_formatting.hpp	4208	0644	edit dl rm
date_formatting_limited.hpp	3461	0644	edit dl rm
date_formatting_locales.hpp	6748	0644	edit dl rm
date_format_simple.hpp	3128	0644	edit dl rm
date_generators.hpp	16508	0644	edit dl rm
date_generator_formatter.hpp	11715	0644	edit dl rm
date_generator_parser.hpp	13064	0644	edit dl rm
date_iterator.hpp	3305	0644	edit dl rm
date_names_put.hpp	10754	0644	edit dl rm
date_parsing.hpp	14146	0644	edit dl rm
dst_rules.hpp	15401	0644	edit dl rm
dst_transition_generators.hpp	2293	0644	edit dl rm
filetime_functions.hpp	3163	0644	edit dl rm
find_match.hpp	1355	0644	edit dl rm
format_date_parser.hpp	23909	0644	edit dl rm
gregorian_calendar.hpp	2714	0644	edit dl rm
gregorian_calendar.ipp	7947	0644	edit dl rm
int_adapter.hpp	14463	0644	edit dl rm
iso_format.hpp	5640	0644	edit dl rm
locale_config.hpp	1206	0644	edit dl rm
local_timezone_defs.hpp	7618	0644	edit dl rm
local_time_adjustor.hpp	8578	0644	edit dl rm
microsec_time_clock.hpp	6257	0644	edit dl rm
parse_format_base.hpp	961	0644	edit dl rm
period.hpp	11936	0644	edit dl rm
period_formatter.hpp	7237	0644	edit dl rm
period_parser.hpp	7932	0644	edit dl rm
special_defs.hpp	633	0644	edit dl rm
special_values_formatter.hpp	3657	0644	edit dl rm
special_values_parser.hpp	6161	0644	edit dl rm
strings_from_facet.hpp	4505	0644	edit dl rm
string_convert.hpp	1002	0644	edit dl rm
string_parse_tree.hpp	8405	0644	edit dl rm
time.hpp	6788	0644	edit dl rm
time_clock.hpp	2245	0644	edit dl rm
time_defs.hpp	942	0644	edit dl rm
time_duration.hpp	10569	0644	edit dl rm
time_facet.hpp	58988	0644	edit dl rm
time_formatting_streams.hpp	3752	0644	edit dl rm
time_iterator.hpp	1438	0644	edit dl rm
time_parsing.hpp	11846	0644	edit dl rm
time_resolution_traits.hpp	6760	0644	edit dl rm
time_system_counted.hpp	9051	0644	edit dl rm
time_system_split.hpp	8077	0644	edit dl rm
time_zone_base.hpp	3711	0644	edit dl rm
time_zone_names.hpp	3103	0644	edit dl rm
tz_db_base.hpp	15915	0644	edit dl rm
wrapping_int.hpp	5824	0644	edit dl rm
year_month_day.hpp	1375	0644	edit dl rm

Edit: /usr/include/boost/date_time/time_zone_base.hpp (3711B)

#ifndef _DATE_TIME_TIME_ZONE_BASE__
#define _DATE_TIME_TIME_ZONE_BASE__

/* Copyright (c) 2003-2005 CrystalClear Software, Inc.
 * 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, Bart Garst
 * $Date$
 */

#include <string>
#include <sstream>
#include <boost/date_time/compiler_config.hpp>

namespace boost {
namespace date_time {

//! Interface class for dynamic time zones.
  /*! This class represents the base interface for all timezone
   *  representations.  Subclasses may provide different systems
   *  for identifying a particular zone.  For example some may
   *  provide a geographical based zone construction while others
   *  may specify the offset from GMT.  Another possible implementation
   *  would be to convert from POSIX timezone strings.  Regardless of
   *  the construction technique, this is the interface that these
   *  time zone types must provide.
   *
   * Note that this class is intended to be used as a shared
   * resource (hence the derivation from boost::counted_base.
   */
  template<typename time_type, typename CharT>
  class BOOST_SYMBOL_VISIBLE time_zone_base  {
  public:
    typedef CharT char_type;
    typedef std::basic_string<CharT> string_type;
    typedef std::basic_ostringstream<CharT> stringstream_type;
    typedef typename time_type::date_type::year_type year_type;
    typedef typename time_type::time_duration_type time_duration_type;

time_zone_base() {}
    virtual ~time_zone_base() {}
    //!String for the timezone when in daylight savings (eg: EDT)
    virtual string_type dst_zone_abbrev() const=0;
    //!String for the zone when not in daylight savings (eg: EST)
    virtual string_type std_zone_abbrev() const=0;
    //!String for the timezone when in daylight savings (eg: Eastern Daylight Time)
    virtual string_type dst_zone_name() const=0;
    //!String for the zone when not in daylight savings (eg: Eastern Standard Time)
    virtual string_type std_zone_name() const=0;
    //! True if zone uses daylight savings adjustments otherwise false
    virtual bool has_dst() const=0;
    //! Local time that DST starts -- undefined if has_dst is false
    virtual time_type dst_local_start_time(year_type y) const=0;
    //! Local time that DST ends -- undefined if has_dst is false
    virtual time_type dst_local_end_time(year_type y) const=0;
    //! Base offset from UTC for zone (eg: -07:30:00)
    virtual time_duration_type base_utc_offset() const=0;
    //! Adjustment forward or back made while DST is in effect
    virtual time_duration_type dst_offset() const=0;
    //! Returns a POSIX time_zone string for this object
    virtual string_type to_posix_string() const =0;

private:

};

//! Structure which holds the time offsets associated with daylight savings time
  /*!
   *@tparam time_duration_type A type used to represent the offset
   */
  template<class time_duration_type>
  class dst_adjustment_offsets
  {
  public:
    dst_adjustment_offsets(const time_duration_type& dst_adjust,
                           const time_duration_type& dst_start_offset,
                           const time_duration_type& dst_end_offset) :
      dst_adjust_(dst_adjust),
      dst_start_offset_(dst_start_offset),
      dst_end_offset_(dst_end_offset)
    {}

//! Amount DST adjusts the clock eg: plus one hour
    time_duration_type dst_adjust_;
    //! Time past midnight on start transition day that dst starts
    time_duration_type dst_start_offset_;
    //! Time past midnight on end transition day that dst ends
    time_duration_type dst_end_offset_;
  };

} } //namespace date_time

#endif

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