Boost C++ Libraries

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Library Reference

Date Time Reference
Gregorian Reference
Posix Time Reference
Local Time Reference

The following is a detailed reference of the date_time library. A click on any of the reference links will take you to a list of the header files found in that section. Following one of those links will take you to a list of the items declared in that header file. Further sublinks take you to detailed descriptions of each individual item.

Date Time Reference

Header <boost/date_time/adjust_functors.hpp>
Header <boost/date_time/c_local_time_adjustor.hpp>
Header <boost/date_time/c_time.hpp>
Header <boost/date_time/compiler_config.hpp>
Header <boost/date_time/constrained_value.hpp>
Header <boost/date_time/date.hpp>
Header <boost/date_time/date_clock_device.hpp>
Header <boost/date_time/date_defs.hpp>
Header <boost/date_time/date_duration.hpp>
Header <boost/date_time/date_duration_types.hpp>
Header <boost/date_time/date_facet.hpp>
Header <boost/date_time/date_format_simple.hpp>
Header <boost/date_time/date_formatting.hpp>
Header <boost/date_time/date_formatting_limited.hpp>
Header <boost/date_time/date_formatting_locales.hpp>
Header <boost/date_time/date_generator_formatter.hpp>
Header <boost/date_time/date_generator_parser.hpp>
Header <boost/date_time/date_generators.hpp>
Header <boost/date_time/date_iterator.hpp>
Header <boost/date_time/date_names_put.hpp>
Header <boost/date_time/dst_rules.hpp>
Header <boost/date_time/dst_transition_generators.hpp>
Header <boost/date_time/filetime_functions.hpp>
Header <boost/date_time/format_date_parser.hpp>
Header <boost/date_time/gregorian_calendar.hpp>
Header <boost/date_time/int_adapter.hpp>
Header <boost/date_time/iso_format.hpp>
Header <boost/date_time/local_time_adjustor.hpp>
Header <boost/date_time/local_timezone_defs.hpp>
Header <boost/date_time/microsec_time_clock.hpp>
Header <boost/date_time/parse_format_base.hpp>
Header <boost/date_time/period.hpp>
Header <boost/date_time/period_formatter.hpp>
Header <boost/date_time/period_parser.hpp>
Header <boost/date_time/special_defs.hpp>
Header <boost/date_time/special_values_formatter.hpp>
Header <boost/date_time/special_values_parser.hpp>
Header <boost/date_time/string_convert.hpp>
Header <boost/date_time/string_parse_tree.hpp>
Header <boost/date_time/strings_from_facet.hpp>
Header <boost/date_time/time.hpp>
Header <boost/date_time/time_clock.hpp>
Header <boost/date_time/time_defs.hpp>
Header <boost/date_time/time_duration.hpp>
Header <boost/date_time/time_facet.hpp>
Header <boost/date_time/time_formatting_streams.hpp>
Header <boost/date_time/time_iterator.hpp>
Header <boost/date_time/time_parsing.hpp>
Header <boost/date_time/time_resolution_traits.hpp>
Header <boost/date_time/time_system_counted.hpp>
Header <boost/date_time/time_system_split.hpp>
Header <boost/date_time/time_zone_base.hpp>
Header <boost/date_time/time_zone_names.hpp>
Header <boost/date_time/tz_db_base.hpp>
Header <boost/date_time/wrapping_int.hpp>
Header <boost/date_time/year_month_day.hpp>
namespace boost {
namespace date_time {
template<typename date_type> class day_functor;
template<typename date_type> class month_functor;
template<typename date_type> class week_functor;
template<typename date_type> class year_functor;
}
}

Time adjustment calculations based on machine

namespace boost {
namespace date_time {
template<typename time_type> class c_local_adjustor;
}
}

Provide workarounds related to the ctime header

namespace std {
}namespace boost {
namespace date_time {
struct c_time;
}
}
namespace std {
}
namespace boost {
namespace CV {
template<typename value_policies> class constrained_value;
template<typename rep_type, rep_type min_value, rep_type max_value, 
typename exception_type> 
  class simple_exception_policy;

// 
enum violation_enum { min_violation, max_violation };
}
}
namespace boost {
namespace date_time {
template<typename T, typename calendar, typename duration_type_> class date;
}
}
namespace boost {
namespace date_time {
template<typename date_type> class day_clock;
}
}
namespace boost {
namespace date_time {

// 
enum weekdays { Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, 
Saturday };

// 
enum months_of_year { Jan = 1, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, 
Nov, Dec, NotAMonth, NumMonths };
}
}
namespace boost {
namespace date_time {
template<typename duration_rep_traits> class date_duration;

struct duration_traits_long;
struct duration_traits_adapted;
}
}
namespace boost {
namespace date_time {
template<typename duration_config> class weeks_duration;
template<typename base_config> class months_duration;
template<typename base_config> class years_duration;
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename CharT, 
typename OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class date_facet;
template<typename date_type, typename CharT, 
typename InItrT = std::istreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class date_input_facet;
}
}
namespace boost {
namespace date_time {
template<typename charT> class simple_format;

template<> class simple_format<wchar_t>;
}
}
namespace boost {
namespace date_time {
template<typename month_type, typename format_type, typename charT = char> 
  class month_formatter;
template<typename ymd_type, typename format_type, typename charT = char> 
  class ymd_formatter;
template<typename date_type, typename format_type, typename charT = char> 
  class date_formatter;
}
}
namespace boost {
namespace date_time {
}
}
namespace boost {
namespace date_time {
template<typename facet_type, typename charT = char> 
  class ostream_month_formatter;
template<typename weekday_type, typename facet_type, 
typename charT = char> 
  class ostream_weekday_formatter;
template<typename ymd_type, typename facet_type, typename charT = char> 
  class ostream_ymd_formatter;
template<typename date_type, typename facet_type, typename charT = char> 
  class ostream_date_formatter;
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename CharT, 
typename OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class date_generator_formatter;
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename charT> class date_generator_parser;
}
}

Definition and implementation of date algorithm templates

namespace boost {
namespace date_time {
template<typename date_type> class year_based_generator;
template<typename date_type> class partial_date;
template<typename date_type> class nth_kday_of_month;
template<typename date_type> class first_kday_of_month;
template<typename date_type> class last_kday_of_month;
template<typename date_type> class first_kday_after;
template<typename date_type> class first_kday_before;

// Returns nth arg as string. 1 -> "first", 2 -> "second", max is 5. 
BOOST_DATE_TIME_DECL const char * nth_as_str(int n);
template<typename date_type, typename weekday_type> 
date_type::duration_type 
days_until_weekday(const date_type &, const weekday_type &);
template<typename date_type, typename weekday_type> 
date_type::duration_type 
days_before_weekday(const date_type &, const weekday_type &);
template<typename date_type, typename weekday_type> 
date_type next_weekday(const date_type &, const weekday_type &);
template<typename date_type, typename weekday_type> 
date_type previous_weekday(const date_type &, const weekday_type &);
}
}
namespace boost {
namespace date_time {
template<typename date_type> class date_itr_base;
template<typename offset_functor, typename date_type> class date_itr;

// 
enum date_resolutions { day, week, months, year, decade, century, 
NumDateResolutions };
}
}
namespace boost {
namespace date_time {
template<typename Config, typename charT = char, 
typename OutputIterator = std::ostreambuf_iterator<charT> > 
  class date_names_put;
template<typename Config, typename charT = char, 
typename OutputIterator = std::ostreambuf_iterator<charT> > 
  class all_date_names_put;
}
}

Contains template class to provide static dst rule calculations

namespace boost {
namespace date_time {
template<typename date_type_, typename time_duration_type_> 
  class dst_calculator;
template<typename date_type, typename time_duration_type, 
typename dst_traits> 
  class dst_calc_engine;
template<typename date_type_, typename time_duration_type_, 
unsigned int dst_start_offset_minutes = , 
short dst_length_minutes = > 
  class us_dst_rules;
template<typename date_type_, typename time_duration_type_> 
  class null_dst_rules;

enum time_is_dst_result { is_not_in_dst, is_in_dst, ambiguous, 
invalid_time_label };
}
}
namespace boost {
namespace date_time {
template<typename date_type> class dst_day_calc_rule;
template<typename spec> class day_calc_dst_rule;
}
}

Function(s) for converting between a FILETIME structure and a time object. This file is only available on systems that have BOOST_HAS_FTIME defined.

namespace boost {
namespace date_time {
template<typename time_type> time_type time_from_ftime(const FILETIME &);
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename charT> class format_date_parser;
template<typename int_type, typename charT> 
int_type fixed_string_to_int(std::istreambuf_iterator< charT > &, 
std::istreambuf_iterator< charT > &, 
parse_match_result< charT > &, 
unsigned int);
template<typename int_type, typename charT> 
int_type var_string_to_int(std::istreambuf_iterator< charT > &, 
std::istreambuf_iterator< charT > &, 
unsigned int);
}
}
namespace boost {
namespace date_time {
template<typename ymd_type_, typename date_int_type_> 
  class gregorian_calendar_base;
}
}
namespace boost {
namespace date_time {
template<typename int_type_> class int_adapter;
template<typename charT, typename traits, typename int_type> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > &, 
const int_adapter< int_type > &);
}
}
namespace boost {
namespace date_time {
template<typename charT> class iso_format_base;

template<> class iso_format_base<wchar_t>;

template<typename charT> class iso_format;
template<typename charT> class iso_extended_format;
}
}

Time adjustment calculations for local times

namespace boost {
namespace date_time {
template<typename time_duration_type, short hours, 
unsigned short minutes = > 
  class utc_adjustment;
template<typename time_type, typename dst_rules> 
  class dynamic_local_time_adjustor;
template<typename time_type, typename dst_rules, 
typename utc_offset_rules> 
  class static_local_time_adjustor;
template<typename time_type, short utc_offset, typename dst_rule> 
  class local_adjustor;
void dummy_to_prevent_msvc6_ice();
}
}
namespace boost {
namespace date_time {
template<typename date_type> struct us_dst_trait;
template<typename date_type> struct eu_dst_trait;
template<typename date_type> struct uk_dst_trait;
template<typename date_type> struct acst_dst_trait;
}
}

This file contains a high resolution time clock implementation.

namespace boost {
namespace date_time {
template<typename time_type> class microsec_clock;
}
}
namespace boost {
namespace date_time {

// 
enum month_format_spec { month_as_integer, month_as_short_string, 
month_as_long_string };
enum ymd_order_spec;
}
}

This file contain the implementation of the period abstraction. This is basically the same idea as a range. Although this class is intended for use in the time library, it is pretty close to general enough for other numeric uses.

namespace boost {
namespace date_time {
template<typename point_rep, typename duration_rep> class period;
}
}
namespace boost {
namespace date_time {
template<typename CharT, 
typename OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class period_formatter;
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename CharT> class period_parser;
}
}
namespace boost {
namespace date_time {

enum special_values { not_a_date_time, neg_infin, pos_infin, 
min_date_time, max_date_time, not_special, 
NumSpecialValues };
}
}
namespace boost {
namespace date_time {
template<typename CharT, 
typename OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class special_values_formatter;
}
}
namespace boost {
namespace date_time {
template<typename date_type, typename charT> class special_values_parser;
}
}
namespace boost {
namespace date_time {
template<typename InputT, typename OutputT> 
std::basic_string< OutputT > 
convert_string_type(const std::basic_string< InputT > &);
}
}
namespace boost {
namespace date_time {
template<typename charT> struct parse_match_result;
template<typename charT> struct string_parse_tree;
template<typename charT> 
std::basic_ostream< charT > & 
operator<<(std::basic_ostream< charT > & os, 
parse_match_result< charT > & mr);
}
}
namespace boost {
namespace date_time {
template<typename charT> 
std::vector< std::basic_string< charT > > 
gather_month_strings(const std::locale &, bool = true);
template<typename charT> 
std::vector< std::basic_string< charT > > 
gather_weekday_strings(const std::locale &, bool = true);
}
}

This file contains the interface for the time associated classes.

namespace boost {
namespace date_time {
template<typename T, typename time_system> class base_time;
}
}

This file contains the interface for clock devices.

namespace boost {
namespace date_time {
template<typename time_type> class second_clock;
}
}

This file contains nice definitions for handling the resoluion of various time reprsentations.

namespace boost {
namespace date_time {

// 
enum time_resolutions { sec, tenth, hundreth, milli, ten_thousandth, 
micro, nano, NumResolutions };

// 
enum dst_flags { not_dst, is_dst, calculate };
}
}
namespace boost {
namespace date_time {
template<typename T, typename rep_type> class time_duration;
template<typename base_duration, boost::int64_t frac_of_second> 
  class subsecond_duration;
}
}
namespace boost {
namespace date_time {
template<typename CharT> struct time_formats;

template<typename time_type, typename CharT, 
typename OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class time_facet;
template<typename time_type, typename CharT, 
typename InItrT = std::istreambuf_iterator<CharT, std::char_traits<CharT> > > 
  class time_input_facet;
}
}
namespace boost {
namespace date_time {
template<typename time_duration_type, typename charT = char> 
  class ostream_time_duration_formatter;
template<typename time_type, typename charT = char> 
  class ostream_time_formatter;
template<typename time_period_type, typename charT = char> 
  class ostream_time_period_formatter;
}
}
namespace boost {
namespace date_time {
template<typename time_type> class time_itr;
}
}
namespace boost {
namespace date_time {

// computes exponential math like 2^8 => 256, only works with positive integers 
template<typename int_type> 
int_type power(int_type base, int_type exponent);
template<typename time_duration> 
time_duration parse_delimited_time_duration(const std::string &);

// Utility function to split appart string. 
bool split(const std::string & s, char sep, std::string & first, 
std::string & second);
template<typename time_type> 
time_type parse_delimited_time(const std::string & s, char sep);

// Parse time duration part of an iso time of form: [-]hhmmss[.fff...] (eg: 120259.123 is 12 hours, 2 min, 59 seconds, 123000 microseconds). 
template<typename time_duration> 
time_duration parse_undelimited_time_duration(const std::string & s);

// Parse time string of form YYYYMMDDThhmmss where T is delimeter between date and time. 
template<typename time_type> 
time_type parse_iso_time(const std::string & s, char sep);
}
}
namespace boost {
namespace date_time {
struct time_resolution_traits_bi32_impl;
struct time_resolution_traits_adapted32_impl;
struct time_resolution_traits_bi64_impl;
struct time_resolution_traits_adapted64_impl;

template<typename frac_sec_type, time_resolutions res, 
#if(defined(BOOST_MSVC)&&(_MSC_VER<=1200)) boost::int64_t resolution_adjust, 
#else typename frac_sec_type::int_type resolution_adjust, 
#endif unsigned short frac_digits, 
typename v_type = boost::int32_t> 
  class time_resolution_traits;

typedef time_resolution_traits< time_resolution_traits_adapted32_impl, milli, 1000, 3 > milli_res;
typedef time_resolution_traits< time_resolution_traits_adapted64_impl, micro, 1000000, 6 > micro_res;
typedef time_resolution_traits< time_resolution_traits_adapted64_impl, nano, 1000000000, 9 > nano_res;

// Simple function to calculate absolute value of a numeric type. 
template<typename T> T absolute_value(T x);
}
}
namespace boost {
namespace date_time {
template<typename config> struct counted_time_rep;

template<typename time_rep> class counted_time_system;
}
}
namespace boost {
namespace date_time {
template<typename config, boost::int32_t ticks_per_second> 
  class split_timedate_system;
}
}
namespace boost {
namespace date_time {
template<typename time_type, typename CharT = char> class time_zone_base;
template<typename time_duration_type> class dst_adjustment_offsets;
}
}
namespace boost {
namespace date_time {
template<typename CharT = char> class time_zone_names_base;

typedef time_zone_names_base< char > time_zone_names;  // Specialization of timezone names for standard char. 
}
}
namespace boost {
namespace date_time {
struct data_not_accessible;
struct bad_field_count;

template<typename time_zone_type, typename rule_type> class tz_db_base;
}
}
namespace boost {
namespace date_time {
template<typename int_type_, int_type_ wrap_val> class wrapping_int;
template<typename int_type_, int_type_ wrap_min, int_type_ wrap_max> 
  class wrapping_int2;
}
}
namespace boost {
namespace date_time {
template<typename YearType, typename MonthType, typename DayType> 
  struct year_month_day_base;
}
}

Gregorian Reference

namespace boost {
namespace gregorian {

// Converts a date to a tm struct. Throws out_of_range exception if date is a special value. 
tm to_tm(const date & d);

// Converts a tm structure into a date dropping the any time values. 
date date_from_tm(const tm & datetm);
}
}
namespace boost {
namespace gregorian {
template<typename charT> 
std::basic_string< charT > to_simple_string_type(const date & d);

// To YYYY-mmm-DD string where mmm 3 char month name. Example: 2002-Jan-01. 
std::string to_simple_string(const date & d);
template<typename charT> 
std::basic_string< charT > to_simple_string_type(const date_period & d);

// Convert date period to simple string. Example: [2002-Jan-01/2002-Jan-02]. 
std::string to_simple_string(const date_period & d);
template<typename charT> 
std::basic_string< charT > to_iso_string_type(const date_period & d);

// Date period to iso standard format CCYYMMDD/CCYYMMDD. Example: 20021225/20021231. 
std::string to_iso_string(const date_period & d);
template<typename charT> 
std::basic_string< charT > to_iso_extended_string_type(const date & d);

// Convert to iso extended format string CCYY-MM-DD. Example 2002-12-31. 
std::string to_iso_extended_string(const date & d);
template<typename charT> 
std::basic_string< charT > to_iso_string_type(const date & d);

// Convert to iso standard string YYYYMMDD. Example: 20021231. 
std::string to_iso_string(const date & d);
template<typename charT> 
std::basic_string< charT > to_sql_string_type(const date & d);
std::string to_sql_string(const date & d);

// Convert date period to simple string. Example: [2002-Jan-01/2002-Jan-02]. 
std::wstring to_simple_wstring(const date_period & d);

// To YYYY-mmm-DD string where mmm 3 char month name. Example: 2002-Jan-01. 
std::wstring to_simple_wstring(const date & d);

// Date period to iso standard format CCYYMMDD/CCYYMMDD. Example: 20021225/20021231. 
std::wstring to_iso_wstring(const date_period & d);

// Convert to iso extended format string CCYY-MM-DD. Example 2002-12-31. 
std::wstring to_iso_extended_wstring(const date & d);

// Convert to iso standard string YYYYMMDD. Example: 20021231. 
std::wstring to_iso_wstring(const date & d);
std::wstring to_sql_wstring(const date & d);
}
}
namespace boost {
namespace gregorian {
}
}
namespace boost {
namespace gregorian {
class gregorian_calendar;

typedef date_time::int_adapter< unsigned long > fancy_date_rep;  // An internal date representation that includes infinities, not a date. 
}
}
namespace boost {
namespace gregorian {
class date;
}
}
namespace boost {
namespace gregorian {
struct bad_day_of_month;

class greg_day;

typedef CV::simple_exception_policy< unsigned short, 1, 31, bad_day_of_month > greg_day_policies;  // Policy class that declares error handling and day of month ranges. 
typedef CV::constrained_value< greg_day_policies > greg_day_rep;  // Generated represetation for gregorian day of month. 
}
}
namespace boost {
namespace gregorian {
struct bad_day_of_year;

typedef CV::simple_exception_policy< unsigned short, 1, 366, bad_day_of_year > greg_day_of_year_policies;  // A day of the year range (1..366). 
typedef CV::constrained_value< greg_day_of_year_policies > greg_day_of_year_rep;  // Define a range representation type for the day of the year 1..366. 
}
}
namespace boost {
namespace gregorian {
typedef boost::date_time::duration_traits_adapted date_duration_rep;  // An internal date representation that includes infinities, not a date. 
typedef date_time::date_duration< date_duration_rep > date_duration;  // Durations in days for gregorian system. 
typedef date_duration days;  // Shorthand for date_duration. 
}
}
namespace boost {
namespace gregorian {
struct greg_durations_config;

typedef date_time::months_duration< greg_durations_config > months;
typedef date_time::years_duration< greg_durations_config > years;
typedef date_time::weeks_duration< date_time::duration_traits_adapted > weeks;
}
}
namespace boost {
namespace gregorian {
struct greg_facet_config;

typedef boost::date_time::date_names_put< greg_facet_config > greg_base_facet;  // Create the base facet type for gregorian::date. 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > &, const date &);
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > &, const greg_month &);
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > &, const greg_weekday &);
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > &, const date_period &);
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const date_duration & dd);

// operator<< for gregorian::partial_date. Output: "Jan 1" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const partial_date & pd);

// operator<< for gregorian::nth_kday_of_month. Output: "first Mon of Jun" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const nth_kday_of_month & nkd);

// operator<< for gregorian::first_kday_of_month. Output: "first Mon of Jun" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const first_kday_of_month & fkd);

// operator<< for gregorian::last_kday_of_month. Output: "last Mon of Jun" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const last_kday_of_month & lkd);

// operator<< for gregorian::first_kday_after. Output: "first Mon after" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const first_kday_after & fka);

// operator<< for gregorian::first_kday_before. Output: "first Mon before" 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const first_kday_before & fkb);

// operator>> for gregorian::date 
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, date & d);

// operator>> for gregorian::date_duration 
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, date_duration & dd);

// operator>> for gregorian::date_period 
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, date_period & dp);

// generates a locale with the set of gregorian name-strings of type char* 
BOOST_DATE_TIME_DECL std::locale 
generate_locale(std::locale & loc, char type);

// Returns a pointer to a facet with a default set of names (English). 
BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put< greg_facet_config, char > * 
create_facet_def(char type);

// generates a locale with the set of gregorian name-strings of type wchar_t* 
BOOST_DATE_TIME_DECL std::locale 
generate_locale(std::locale & loc, wchar_t type);

// Returns a pointer to a facet with a default set of names (English). 
BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put< greg_facet_config, wchar_t > * 
create_facet_def(wchar_t type);

// operator>> for gregorian::greg_month - throws exception if invalid month given 
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, greg_month & m);

// operator>> for gregorian::greg_weekday - throws exception if invalid weekday given 
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, greg_weekday & wd);
}
}
namespace boost {
namespace gregorian {
struct bad_month;

class greg_month;

typedef date_time::months_of_year months_of_year;
typedef CV::simple_exception_policy< unsigned short, 1, 12, bad_month > greg_month_policies;  // Build a policy class for the greg_month_rep. 
typedef CV::constrained_value< greg_month_policies > greg_month_rep;  // A constrained range that implements the gregorian_month rules. 
}
}
namespace boost {
namespace gregorian {
struct bad_weekday;

class greg_weekday;

typedef CV::simple_exception_policy< unsigned short, 0, 6, bad_weekday > greg_weekday_policies;
typedef CV::constrained_value< greg_weekday_policies > greg_weekday_rep;
}
}
namespace boost {
namespace gregorian {
struct bad_year;

class greg_year;

typedef CV::simple_exception_policy< unsigned short, 1400, 10000, bad_year > greg_year_policies;  // Policy class that declares error handling gregorian year type. 
typedef CV::constrained_value< greg_year_policies > greg_year_rep;  // Generated representation for gregorian year. 
}
}
namespace boost {
namespace gregorian {
typedef date_time::year_month_day_base< greg_year, greg_month, greg_day > greg_year_month_day;
}
}

Single file header that provides overall include for all elements of the gregorian date-time system. This includes the various types defined, but also other functions for formatting and parsing.

namespace boost {
namespace gregorian {
typedef boost::date_time::period_formatter< wchar_t > wperiod_formatter;
typedef boost::date_time::period_formatter< char > period_formatter;
typedef boost::date_time::date_facet< date, wchar_t > wdate_facet;
typedef boost::date_time::date_facet< date, char > date_facet;
typedef boost::date_time::period_parser< date, char > period_parser;
typedef boost::date_time::period_parser< date, wchar_t > wperiod_parser;
typedef boost::date_time::special_values_formatter< char > special_values_formatter;
typedef boost::date_time::special_values_formatter< wchar_t > wspecial_values_formatter;
typedef boost::date_time::special_values_parser< date, char > special_values_parser;
typedef boost::date_time::special_values_parser< date, wchar_t > wspecial_values_parser;
typedef boost::date_time::date_input_facet< date, char > date_input_facet;
typedef boost::date_time::date_input_facet< date, wchar_t > wdate_input_facet;
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::date & d);

// input operator for date 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, date & d);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::date_duration & dd);

// input operator for date_duration 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, date_duration & dd);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::date_period & dp);

// input operator for date_period 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, date_period & dp);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::greg_month & gm);

// input operator for greg_month 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, greg_month & m);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::greg_weekday & gw);

// input operator for greg_weekday 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, greg_weekday & wd);

// input operator for greg_day 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, greg_day & gd);

// input operator for greg_year 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, greg_year & gy);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::partial_date & pd);

// input operator for partial_date 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, partial_date & pd);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::nth_day_of_the_week_in_month & nkd);

// input operator for nth_day_of_the_week_in_month 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
nth_day_of_the_week_in_month & nday);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::first_day_of_the_week_in_month & fkd);

// input operator for first_day_of_the_week_in_month 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
first_day_of_the_week_in_month & fkd);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::last_day_of_the_week_in_month & lkd);

// input operator for last_day_of_the_week_in_month 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
last_day_of_the_week_in_month & lkd);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::first_day_of_the_week_after & fda);

// input operator for first_day_of_the_week_after 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
first_day_of_the_week_after & fka);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::gregorian::first_day_of_the_week_before & fdb);

// input operator for first_day_of_the_week_before 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
first_day_of_the_week_before & fkb);
}
}

Single file header that defines most of the types for the gregorian date-time system.

namespace boost {
namespace gregorian {
typedef date_time::period< date, date_duration > date_period;  // Date periods for the gregorian system. 
typedef date_time::year_based_generator< date > year_based_generator;  // A unifying date_generator base type. 
typedef date_time::partial_date< date > partial_date;  // A date generation object type. 
typedef date_time::nth_kday_of_month< date > nth_kday_of_month;
typedef nth_kday_of_month nth_day_of_the_week_in_month;
typedef date_time::first_kday_of_month< date > first_kday_of_month;
typedef first_kday_of_month first_day_of_the_week_in_month;
typedef date_time::last_kday_of_month< date > last_kday_of_month;
typedef last_kday_of_month last_day_of_the_week_in_month;
typedef date_time::first_kday_after< date > first_kday_after;
typedef first_kday_after first_day_of_the_week_after;
typedef date_time::first_kday_before< date > first_kday_before;
typedef first_kday_before first_day_of_the_week_before;
typedef date_time::day_clock< date > day_clock;  // A clock to get the current day from the local computer. 
typedef date_time::date_itr_base< date > date_iterator;  // Base date_iterator type for gregorian types. 
typedef date_time::date_itr< date_time::day_functor< date >, date > day_iterator;  // A day level iterator. 
typedef date_time::date_itr< date_time::week_functor< date >, date > week_iterator;  // A week level iterator. 
typedef date_time::date_itr< date_time::month_functor< date >, date > month_iterator;  // A month level iterator. 
typedef date_time::date_itr< date_time::year_functor< date >, date > year_iterator;  // A year level iterator. 
}
}
namespace boost {
namespace gregorian {
special_values special_value_from_string(const std::string &);

// Deprecated: Use from_simple_string. 
date from_string(std::string s);

// From delimited date string where with order year-month-day eg: 2002-1-25 or 2003-Jan-25 (full month name is also accepted). 
date from_simple_string(std::string s);

// From delimited date string where with order year-month-day eg: 1-25-2003 or Jan-25-2003 (full month name is also accepted). 
date from_us_string(std::string s);

// From delimited date string where with order day-month-year eg: 25-1-2002 or 25-Jan-2003 (full month name is also accepted). 
date from_uk_string(std::string s);

// From iso type date string where with order year-month-day eg: 20020125. 
date from_undelimited_string(std::string s);

// From iso type date string where with order year-month-day eg: 20020125. 
date date_from_iso_string(const std::string & s);

// Stream should hold a date in the form of: 2002-1-25. Month number, abbrev, or name are accepted. 
template<typename iterator_type> 
date from_stream(iterator_type beg, iterator_type end);

// Function to parse a date_period from a string (eg: [2003-Oct-31/2003-Dec-25]). 
date_period date_period_from_string(const std::string & s);

// Function to parse a date_period from a wstring (eg: [2003-Oct-31/2003-Dec-25]). 
date_period date_period_from_wstring(const std::wstring & s);
}
}

Posix Time Reference

namespace boost {
namespace posix_time {

// Function that converts a time_t into a ptime. 
ptime from_time_t(std::time_t t);

// Convert a time to a tm structure truncating any fractional seconds. 
tm to_tm(const boost::posix_time::ptime & t);

// Convert a time_duration to a tm structure truncating any fractional seconds and zeroing fields for date components. 
tm to_tm(const boost::posix_time::time_duration & td);

// Convert a tm struct to a ptime ignoring is_dst flag. 
ptime ptime_from_tm(const tm & timetm);
template<typename time_type> time_type from_ftime(const FILETIME &);
}
}

Operators for ptime and optional gregorian types. Operators use snap-to-end-of-month behavior. Further details on this behavior can be found in reference for date_time/date_duration_types.hpp and documentation for month and year iterators.

namespace boost {
namespace posix_time {
ptime operator+(const ptime &, const boost::gregorian::months &);
ptime operator+=(ptime &, const boost::gregorian::months &);
ptime operator-(const ptime &, const boost::gregorian::months &);
ptime operator-=(ptime &, const boost::gregorian::months &);
ptime operator+(const ptime &, const boost::gregorian::years &);
ptime operator+=(ptime &, const boost::gregorian::years &);
ptime operator-(const ptime &, const boost::gregorian::years &);
ptime operator-=(ptime &, const boost::gregorian::years &);
}
}

Global header file to get all of posix time types

namespace boost {
namespace posix_time {
class time_duration;

struct simple_time_rep;

class posix_time_system_config;
class millisec_posix_time_system_config;

typedef date_time::time_resolution_traits< boost::date_time::time_resolution_traits_adapted64_impl, boost::date_time::nano, 1000000000, 9 > time_res_traits;
}
}
namespace boost {
namespace posix_time {
class hours;
class minutes;
class seconds;

typedef date_time::subsecond_duration< time_duration, 1000 > millisec;  // Allows expression of durations as milli seconds. 
typedef date_time::subsecond_duration< time_duration, 1000 > milliseconds;
typedef date_time::subsecond_duration< time_duration, 1000000 > microsec;  // Allows expression of durations as micro seconds. 
typedef date_time::subsecond_duration< time_duration, 1000000 > microseconds;
typedef date_time::subsecond_duration< time_duration, 1000000000 > nanosec;  // Allows expression of durations as nano seconds. 
typedef date_time::subsecond_duration< time_duration, 1000000000 > nanoseconds;
}
}
namespace boost {
namespace posix_time {
typedef boost::date_time::time_facet< ptime, wchar_t > wtime_facet;  // ptime_input_facet is depricated and will be phased out. use time_input_facet instead 
typedef boost::date_time::time_facet< ptime, char > time_facet;
typedef boost::date_time::time_input_facet< ptime, wchar_t > wtime_input_facet;
typedef boost::date_time::time_input_facet< ptime, char > time_input_facet;
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, const ptime & p);

// input operator for ptime 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, ptime & pt);
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const boost::posix_time::time_period & p);

// input operator for time_period 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, time_period & tp);

// ostream operator for posix_time::time_duration 
template<typename CharT, typename Traits> 
std::basic_ostream< CharT, Traits > & 
operator<<(std::basic_ostream< CharT, Traits > & os, 
const time_duration & td);

// input operator for time_duration 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, time_duration & td);
}
}
namespace boost {
namespace posix_time {

// ostream operator for posix_time::time_duration 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const time_duration & td);

// ostream operator for posix_time::ptime 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, const ptime & t);

// ostream operator for posix_time::time_period 
template<typename charT, typename traits> 
std::basic_ostream< charT, traits > & 
operator<<(std::basic_ostream< charT, traits > & os, 
const time_period & tp);
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, time_duration & td);
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > & is, ptime & pt);
template<typename charT> 
std::basic_istream< charT > & 
operator>>(std::basic_istream< charT > &, time_period &);
}
}
namespace boost {
namespace posix_time {
typedef date_time::split_timedate_system< posix_time_system_config, 1000000000 > posix_time_system;
typedef date_time::counted_time_rep< millisec_posix_time_system_config > int64_time_rep;
}
}
namespace boost {
namespace posix_time {
typedef date_time::time_itr< ptime > time_iterator;  // Iterator over a defined time duration. 
typedef date_time::second_clock< ptime > second_clock;  // A time clock that has a resolution of one second. 
typedef date_time::microsec_clock< ptime > microsec_clock;  // A time clock that has a resolution of one microsecond. 
typedef date_time::null_dst_rules< ptime::date_type, time_duration > no_dst;  // Define a dst null dst rule for the posix_time system. 
typedef date_time::us_dst_rules< ptime::date_type, time_duration > us_dst;  // Define US dst rule calculator for the posix_time system. 
}
}
namespace boost {
namespace posix_time {
class ptime;
}
}
namespace boost {
namespace posix_time {
template<typename charT> 
std::basic_string< charT > to_simple_string_type(time_duration td);
template<typename charT> 
std::basic_string< charT > to_iso_string_type(time_duration td);

// Time to simple format CCYY-mmm-dd hh:mm:ss.fffffff. 
template<typename charT> 
std::basic_string< charT > to_simple_string_type(ptime t);
template<typename charT> 
std::basic_string< charT > to_simple_string_type(time_period tp);
template<typename charT> 
std::basic_string< charT > to_iso_string_type(ptime t);
template<typename charT> 
std::basic_string< charT > to_iso_extended_string_type(ptime t);

// Time duration to wstring -hh::mm::ss.fffffff. Example: 10:09:03.0123456. 
std::wstring to_simple_wstring(time_duration td);

// Time duration in iso format -hhmmss,fffffff Example: 10:09:03,0123456. 
std::wstring to_iso_wstring(time_duration td);
std::wstring to_simple_wstring(ptime t);

// Convert to wstring of form [YYYY-mmm-DD HH:MM::SS.ffffff/YYYY-mmm-DD HH:MM::SS.fffffff]. 
std::wstring to_simple_wstring(time_period tp);

// Convert iso short form YYYYMMDDTHHMMSS where T is the date-time separator. 
std::wstring to_iso_wstring(ptime t);

// Convert to form YYYY-MM-DDTHH:MM:SS where T is the date-time separator. 
std::wstring to_iso_extended_wstring(ptime t);
}
}
namespace boost {
namespace posix_time {

// Time duration to string -hh::mm::ss.fffffff. Example: 10:09:03.0123456. 
std::string to_simple_string(time_duration td);

// Time duration in iso format -hhmmss,fffffff Example: 10:09:03,0123456. 
std::string to_iso_string(time_duration td);

// Time to simple format CCYY-mmm-dd hh:mm:ss.fffffff. 
std::string to_simple_string(ptime t);

// Convert to string of form [YYYY-mmm-DD HH:MM::SS.ffffff/YYYY-mmm-DD HH:MM::SS.fffffff]. 
std::string to_simple_string(time_period tp);

// Convert iso short form YYYYMMDDTHHMMSS where T is the date-time separator. 
std::string to_iso_string(ptime t);

// Convert to form YYYY-MM-DDTHH:MM:SS where T is the date-time separator. 
std::string to_iso_extended_string(ptime t);
}
}
namespace boost {
namespace posix_time {
time_duration duration_from_string(const std::string &);
ptime time_from_string(const std::string & s);
ptime from_iso_string(const std::string & s);
}
}
namespace boost {
namespace posix_time {
typedef date_time::period< ptime, time_duration > time_period;  // Time period type. 
}
}

Local Time Reference

namespace boost {
namespace local_time {

// Function that creates a tm struct from a local_date_time. 
tm to_tm(const local_date_time & lt);
}
}
namespace boost {
namespace local_time {
class custom_time_zone;

typedef boost::shared_ptr< dst_calc_rule > dst_calc_rule_ptr;
}
}

Operators for local_date_time and optional gregorian types. Operators use snap-to-end-of-month behavior. Further details on this behavior can be found in reference for date_time/date_duration_types.hpp and documentation for month and year iterators.

namespace boost {
namespace local_time {
local_date_time 
operator+(const local_date_time &, const boost::gregorian::months &);
local_date_time 
operator+=(local_date_time &, const boost::gregorian::months &);
local_date_time 
operator-(const local_date_time &, const boost::gregorian::months &);
local_date_time 
operator-=(local_date_time &, const boost::gregorian::months &);
local_date_time 
operator+(const local_date_time &, const boost::gregorian::years &);
local_date_time 
operator+=(local_date_time &, const boost::gregorian::years &);
local_date_time 
operator-(const local_date_time &, const boost::gregorian::years &);
local_date_time 
operator-=(local_date_time &, const boost::gregorian::years &);
}
}
namespace boost {
namespace local_time {
struct partial_date_rule_spec;
struct first_last_rule_spec;
struct last_last_rule_spec;
struct nth_last_rule_spec;
struct nth_kday_rule_spec;

typedef date_time::dst_day_calc_rule< gregorian::date > dst_calc_rule;  // Provides rule of the form starting Apr 30 ending Oct 21. 
typedef date_time::day_calc_dst_rule< partial_date_rule_spec > partial_date_dst_rule;  // Provides rule of the form first Sunday in April, last Saturday in Oct. 
typedef date_time::day_calc_dst_rule< first_last_rule_spec > first_last_dst_rule;  // Provides rule of the form first Sunday in April, last Saturday in Oct. 
typedef date_time::day_calc_dst_rule< last_last_rule_spec > last_last_dst_rule;  // Provides rule of the form last Sunday in April, last Saturday in Oct. 
typedef date_time::day_calc_dst_rule< nth_last_rule_spec > nth_last_dst_rule;  // Provides rule in form of [1st|2nd|3rd|4th] Sunday in April, last Sunday in Oct. 
typedef date_time::day_calc_dst_rule< nth_kday_rule_spec > nth_kday_dst_rule;  // Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October. 
typedef date_time::day_calc_dst_rule< nth_kday_rule_spec > nth_day_of_the_week_in_month_dst_rule;  // Provides rule in form of [1st|2nd|3rd|4th] Sunday in April/October. 
}
}
namespace boost {
namespace local_time {
struct ambiguous_result;
struct time_label_invalid;
struct dst_not_valid;

template<typename utc_time_ = posix_time::ptime, 
typename tz_type = date_time::time_zone_base<utc_time_> > 
  class local_date_time_base;

typedef local_date_time_base local_date_time;  // Use the default parameters to define local_date_time. 
}
}
namespace boost {
namespace local_time {
typedef boost::date_time::time_facet< local_date_time, wchar_t > wlocal_time_facet;
typedef boost::date_time::time_facet< local_date_time, char > local_time_facet;
typedef boost::date_time::time_input_facet< local_date_time::utc_time_type, wchar_t > wlocal_time_input_facet;
typedef boost::date_time::time_input_facet< local_date_time::utc_time_type, char > local_time_input_facet;

// operator<< for local_date_time - see local_time docs for formatting details 
template<typename CharT, typename TraitsT> 
std::basic_ostream< CharT, TraitsT > & 
operator<<(std::basic_ostream< CharT, TraitsT > & os, 
const local_date_time & ldt);

// input operator for local_date_time 
template<typename CharT, typename Traits> 
std::basic_istream< CharT, Traits > & 
operator>>(std::basic_istream< CharT, Traits > & is, 
local_date_time & ldt);
}
}
namespace boost {
namespace serialization {
 BOOST_SERIALIZATION_SPLIT_FREE(boost::date_time::time_zone_base );
}
}
namespace boost {
namespace local_time {
typedef boost::date_time::period< local_date_time, boost::posix_time::time_duration > local_time_period;
typedef date_time::time_itr< local_date_time > local_time_iterator;
typedef date_time::second_clock< local_date_time > local_sec_clock;
typedef date_time::microsec_clock< local_date_time > local_microsec_clock;
typedef boost::shared_ptr< time_zone > time_zone_ptr;  // Shared Pointer for time_zone and posix_time_zone objects. 
}
}
namespace boost {
namespace local_time {
struct bad_offset;
struct bad_adjustment;

class posix_time_zone;

typedef boost::date_time::time_zone_names time_zone_names;
typedef boost::date_time::dst_adjustment_offsets< boost::posix_time::time_duration > dst_adjustment_offsets;
typedef boost::date_time::time_zone_base< boost::posix_time::ptime > time_zone;
}
}
namespace boost {
namespace local_time {
class time_zone;

typedef boost::date_time::time_zone_names time_zone_names;
typedef boost::date_time::dst_adjustment_offsets< boost::posix_time::time_duration > dst_adjustment_offsets;
typedef boost::date_time::time_zone_base< boost::posix_time::ptime > time_zone;
typedef boost::shared_ptr< dst_calc_rule > dst_calc_rule_ptr;
typedef boost::date_time::time_zone_base< boost::posix_time::ptime > time_zone_base;
}
}
namespace boost {
namespace local_time {
typedef date_time::tz_db_base< custom_time_zone, nth_kday_dst_rule > tz_database;  // Object populated with boost::shared_ptr<time_zone_base> objects. 
}
}
Copyright 2001-2005 CrystalClear Software, Inc

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