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Added boost header

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This commit is contained in:
Christophe Riccio
2012-01-08 01:26:07 +00:00
parent 9c3faaca40
commit c7d752cdf8
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test/external/boost/locale/date_time_facet.hpp vendored Normal file
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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_LOCALE_DATE_TIME_FACET_HPP_INCLUDED
#define BOOST_LOCALE_DATE_TIME_FACET_HPP_INCLUDED
#include <boost/locale/config.hpp>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4275 4251 4231 4660)
#endif
#include <boost/cstdint.hpp>
#include <locale>
namespace boost {
namespace locale {
///
/// \brief Namespace that contains various types for manipulation with dates
///
namespace period {
///
/// \brief This namespace holds a enum of various period types like era, year, month, etc..
///
namespace marks {
/// \brief the type that defines a flag that holds a period identifier
enum period_mark {
invalid, ///< Special invalid value, should not be used directly
era, ///< Era i.e. AC, BC in Gregorian and Julian calendar, range [0,1]
year, ///< Year, it is calendar specific, for example 2011 in Gregorian calendar.
extended_year, ///< Extended year for Gregorian/Julian calendars, where 1 BC == 0, 2 BC == -1.
month, ///< The month of year, calendar specific, in Gregorian [0..11]
day, ///< The day of month, calendar specific, in Gregorian [1..31]
day_of_year, ///< The number of day in year, starting from 1, in Gregorian [1..366]
day_of_week, ///< Day of week, Sunday=1, Monday=2,..., Saturday=7.
///< Note that that updating this value respects local day of week, so for example,
///< If first day of week is Monday and the current day is Tuesday then setting
///< the value to Sunday (1) would forward the date by 5 days forward and not backward
///< by two days as it could be expected if the numbers were taken as is.
day_of_week_in_month, ///< Original number of the day of the week in month. For example 1st Sunday,
///< 2nd Sunday, etc. in Gregorian [1..5]
day_of_week_local, ///< Local day of week, for example in France Monday is 1, in US Sunday is 1, [1..7]
hour, ///< 24 clock hour [0..23]
hour_12, ///< 12 clock hour [0..11]
am_pm, ///< am or pm marker [0..1]
minute, ///< minute [0..59]
second, ///< second [0..59]
week_of_year, ///< The week number in the year
week_of_month, ///< The week number within current month
first_day_of_week, ///< First day of week, constant, for example Sunday in US = 1, Monday in France = 2
};
} // marks
///
/// \brief This class holds a type that represents certain period of time like
/// year, hour, second and so on.
///
/// It can be created from either marks::period_mark type or by using shortcuts in period
/// namespace - calling functions like period::year(), period::hour() and so on.
///
/// Basically it represents the same object as enum marks::period_mark but allows to
/// provide save operator overloading that would not collide with casing of enum to
/// numeric values.
///
class period_type {
public:
///
/// Create a period of specific type, default is invalid.
///
period_type(marks::period_mark m = marks::invalid) : mark_(m)
{
}
///
/// Get the value of marks::period_mark it was created with.
///
marks::period_mark mark() const
{
return mark_;
}
///
/// Check if two periods are the same
///
bool operator==(period_type const &other) const
{
return mark()==other.mark();
}
///
/// Check if two periods are different
///
bool operator!=(period_type const &other) const
{
return mark()!=other.mark();
}
private:
marks::period_mark mark_;
};
} // namespace period
///
/// Structure that define POSIX time, seconds and milliseconds
/// since Jan 1, 1970, 00:00 not including leap seconds.
///
struct posix_time {
int64_t seconds; ///< Seconds since epoch
uint32_t nanoseconds; ///< Nanoseconds resolution
};
///
/// This class defines generic calendar class, it is used by date_time and calendar
/// objects internally. It is less useful for end users, but it is build for localization
/// backend implementation
///
class abstract_calendar {
public:
///
/// Type that defines how to fetch the value
///
typedef enum {
absolute_minimum, ///< Absolute possible minimum for the value, for example for day is 1
actual_minimum, ///< Actual minimal value for this period.
greatest_minimum, ///< Maximal minimum value that can be for this period
current, ///< Current value of this period
least_maximum, ///< The last maximal value for this period, For example for Gregorian calendar
///< day it is 28
actual_maximum, ///< Actual maximum, for it can be 28, 29, 30, 31 for day according to current month
absolute_maximum, ///< Maximal value, for Gregorian day it would be 31.
} value_type;
///
/// A way to update the value
///
typedef enum {
move, ///< Change the value up or down effecting others for example 1990-12-31 + 1 day = 1991-01-01
roll, ///< Change the value up or down not effecting others for example 1990-12-31 + 1 day = 1990-12-01
} update_type;
///
/// Information about calendar
///
typedef enum {
is_gregorian, ///< Check if the calendar is Gregorian
is_dst ///< Check if the current time is in daylight time savings
} calendar_option_type;
///
/// Make a polymorphic copy of the calendar
///
virtual abstract_calendar *clone() const = 0;
///
/// Set specific \a value for period \a p, note not all values are settable.
///
/// After call of set_value you may want to call normalize() function to make sure
/// vall periods are updated, if you set sereral fields that are part of single
/// date/time representation you should call set_value several times and then
/// call normalize().
///
/// If normalize() is not called after set_value, the behavior is undefined
///
virtual void set_value(period::marks::period_mark p,int value) = 0;
///
/// Recalculate all periods after setting them, should be called after use of set_value() function.
///
virtual void normalize() = 0;
///
/// Get specific value for period \a p according to a value_type \a v
///
virtual int get_value(period::marks::period_mark p,value_type v) const = 0;
///
/// Set current time point
///
virtual void set_time(posix_time const &p) = 0;
///
/// Get current time point
///
virtual posix_time get_time() const = 0;
///
/// Set option for calendar, for future use
///
virtual void set_option(calendar_option_type opt,int v) = 0;
///
/// Get option for calendar, currently only check if it is Gregorian calendar
///
virtual int get_option(calendar_option_type opt) const = 0;
///
/// Adjust period's \a p value by \a difference items using a update_type \a u.
/// Note: not all values are adjustable
///
virtual void adjust_value(period::marks::period_mark p,update_type u,int difference) = 0;
///
/// Calculate the difference between this calendar and \a other in \a p units
///
virtual int difference(abstract_calendar const *other,period::marks::period_mark p) const = 0;
///
/// Set time zone, empty - use system
///
virtual void set_timezone(std::string const &tz) = 0;
///
/// Get current time zone, empty - system one
///
virtual std::string get_timezone() const = 0;
///
/// Check of two calendars have same rules
///
virtual bool same(abstract_calendar const *other) const = 0;
virtual ~abstract_calendar()
{
}
};
///
/// \brief the facet that generates calendar for specific locale
///
class BOOST_LOCALE_DECL calendar_facet : public std::locale::facet {
public:
///
/// Basic constructor
///
calendar_facet(size_t refs = 0) : std::locale::facet(refs)
{
}
///
/// Create a new calendar that points to current point of time.
///
virtual abstract_calendar *create_calendar() const = 0;
///
/// Locale id (needed to work with std::locale)
///
static std::locale::id id;
};
} // locale
} // boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4