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Diffstat (limited to 'boost/log/support/date_time.hpp')
| -rw-r--r-- | boost/log/support/date_time.hpp | 548 |
1 files changed, 548 insertions, 0 deletions
diff --git a/boost/log/support/date_time.hpp b/boost/log/support/date_time.hpp new file mode 100644 index 0000000000..97924ec401 --- /dev/null +++ b/boost/log/support/date_time.hpp @@ -0,0 +1,548 @@ +/* + * Copyright Andrey Semashev 2007 - 2014. + * 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) + */ +/*! + * \file support/date_time.hpp + * \author Andrey Semashev + * \date 07.11.2012 + * + * This header enables Boost.DateTime support for Boost.Log. + */ + +#ifndef BOOST_LOG_SUPPORT_DATE_TIME_HPP_INCLUDED_ +#define BOOST_LOG_SUPPORT_DATE_TIME_HPP_INCLUDED_ + +#include <ctime> +#include <string> +#include <locale> +#include <ostream> +#include <iterator> +#include <boost/cstdint.hpp> +#include <boost/move/core.hpp> +#include <boost/move/utility.hpp> +#include <boost/date_time/time.hpp> +#include <boost/date_time/date.hpp> +#include <boost/date_time/gregorian/gregorian_types.hpp> +#include <boost/date_time/local_time/local_time_types.hpp> +#include <boost/date_time/posix_time/posix_time_types.hpp> +#include <boost/log/detail/config.hpp> +#include <boost/log/detail/date_time_format_parser.hpp> +#include <boost/log/detail/light_function.hpp> +#include <boost/log/detail/decomposed_time.hpp> +#include <boost/log/detail/date_time_fmt_gen_traits_fwd.hpp> +#include <boost/log/utility/formatting_ostream.hpp> +#include <boost/log/detail/header.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +namespace boost { + +BOOST_LOG_OPEN_NAMESPACE + +namespace expressions { + +namespace aux { + +namespace date_time_support { + +template< typename DateT, typename ValueT > +inline void decompose_date(DateT const& d, boost::log::aux::decomposed_time_wrapper< ValueT >& v) +{ + typedef typename DateT::ymd_type ymd_type; + ymd_type ymd = d.year_month_day(); + v.year = ymd.year; + v.month = ymd.month; + v.day = ymd.day; +} + +template< typename TimeDurationT, typename ValueT > +inline void decompose_time_of_day(TimeDurationT const& tod, boost::log::aux::decomposed_time_wrapper< ValueT >& v) +{ + v.hours = tod.hours(); + v.minutes = tod.minutes(); + v.seconds = tod.seconds(); + + typedef typename TimeDurationT::traits_type traits_type; + enum + { + adjustment_ratio = (traits_type::ticks_per_second > boost::log::aux::decomposed_time::subseconds_per_second ? + traits_type::ticks_per_second / boost::log::aux::decomposed_time::subseconds_per_second : + boost::log::aux::decomposed_time::subseconds_per_second / traits_type::ticks_per_second) + }; + uint64_t frac = tod.fractional_seconds(); + v.subseconds = static_cast< uint32_t >(traits_type::ticks_per_second > boost::log::aux::decomposed_time::subseconds_per_second ? frac / adjustment_ratio : frac * adjustment_ratio); +} + +template< typename TimeDurationT, typename ValueT > +inline void decompose_time_duration(TimeDurationT const& dur, boost::log::aux::decomposed_time_wrapper< ValueT >& v) +{ + if (dur.is_negative()) + { + v.negative = true; + (decompose_time_of_day)(-dur, v); + } + else + (decompose_time_of_day)(dur, v); +} + +template< typename DateDurationT, typename ValueT > +inline void decompose_date_duration(DateDurationT const& dur, boost::log::aux::decomposed_time_wrapper< ValueT >& v) +{ + if (dur.is_negative()) + { + v.negative = true; + v.day = (-dur).days(); + } + else + v.day = dur.days(); +} + +template< typename TimeT, typename ValueT > +inline void decompose_time(TimeT const& t, boost::log::aux::decomposed_time_wrapper< ValueT >& v) +{ + (decompose_date)(t.date(), v); + (decompose_time_of_day)(t.time_of_day(), v); +} + +} // namespace date_time_support + +template< typename TimeT, typename CharT > +struct date_time_formatter_generator_traits_impl +{ + //! Character type + typedef CharT char_type; + //! String type + typedef std::basic_string< char_type > string_type; + //! Formatting stream type + typedef basic_formatting_ostream< char_type > stream_type; + //! Value type + typedef TimeT value_type; + + //! Formatter function + typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type; + + //! Formatter implementation + class formatter : + public boost::log::aux::date_time_formatter< boost::log::aux::decomposed_time_wrapper< value_type >, char_type > + { + BOOST_COPYABLE_AND_MOVABLE_ALT(formatter) + + private: + // Do not change this typedef, copy-pasting the inherited class from above will break compilation with MSVC 2012 because it incorrectly binds value_type. + typedef typename formatter::date_time_formatter_ base_type; + + public: + typedef typename base_type::result_type result_type; + // This typedef is needed to work around MSVC 2012 crappy name lookup. Otherwise base_type::value_type is bound instead. + typedef typename date_time_formatter_generator_traits_impl< TimeT, CharT >::value_type value_type; + + public: + BOOST_DEFAULTED_FUNCTION(formatter(), {}) + formatter(formatter const& that) : base_type(static_cast< base_type const& >(that)) {} + formatter(BOOST_RV_REF(formatter) that) { this->swap(that); } + + formatter& operator= (formatter that) + { + this->swap(that); + return *this; + } + + result_type operator() (stream_type& strm, value_type const& value) const + { + if (value.is_not_a_date_time()) + strm << "not-a-date-time"; + else if (value.is_pos_infinity()) + strm << "+infinity"; + else if (value.is_neg_infinity()) + strm << "-infinity"; + else + { + boost::log::aux::decomposed_time_wrapper< value_type > val(value); + date_time_support::decompose_time(value, val); + base_type::operator() (strm, val); + } + } + }; + + //! The function parses format string and constructs formatter function + static formatter_function_type parse(string_type const& format) + { + formatter fmt; + boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > builder(fmt); + boost::log::aux::parse_date_time_format(format, builder); + return formatter_function_type(boost::move(fmt)); + } +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< posix_time::ptime, CharT, VoidT > : + public date_time_formatter_generator_traits_impl< posix_time::ptime, CharT > +{ +}; + +template< typename TimeT, typename TimeZoneT, typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< local_time::local_date_time_base< TimeT, TimeZoneT >, CharT, VoidT > +{ + //! Character type + typedef CharT char_type; + //! String type + typedef std::basic_string< char_type > string_type; + //! Formatting stream type + typedef basic_formatting_ostream< char_type > stream_type; + //! Value type + typedef local_time::local_date_time_base< TimeT, TimeZoneT > value_type; + + //! Formatter function + typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type; + + //! Formatter implementation + class formatter : + public boost::log::aux::date_time_formatter< boost::log::aux::decomposed_time_wrapper< value_type >, char_type > + { + BOOST_COPYABLE_AND_MOVABLE_ALT(formatter) + + private: + // Do not change this typedef, copy-pasting the inherited class from above will break compilation with MSVC 2012 because it incorrectly binds value_type. + typedef typename formatter::date_time_formatter_ base_type; + + public: + typedef typename base_type::result_type result_type; + typedef typename base_type::context context; + // This typedef is needed to work around MSVC 2012 crappy name lookup. Otherwise base_type::value_type is bound instead. + typedef typename date_time_formatter_generator_traits< local_time::local_date_time_base< TimeT, TimeZoneT >, CharT, VoidT >::value_type value_type; + + public: + BOOST_DEFAULTED_FUNCTION(formatter(), {}) + formatter(formatter const& that) : base_type(static_cast< base_type const& >(that)) {} + formatter(BOOST_RV_REF(formatter) that) { this->swap(that); } + + formatter& operator= (formatter that) + { + this->swap(that); + return *this; + } + + result_type operator() (stream_type& strm, value_type const& value) const + { + if (value.is_not_a_date_time()) + strm << "not-a-date-time"; + else if (value.is_pos_infinity()) + strm << "+infinity"; + else if (value.is_neg_infinity()) + strm << "-infinity"; + else + { + boost::log::aux::decomposed_time_wrapper< value_type > val(value); + date_time_support::decompose_time(value.local_time(), val); + base_type::operator() (strm, val); + } + } + + public: + static void format_iso_time_zone(context& ctx) + { + ctx.strm << ctx.value.m_time.zone_abbrev(true); + ctx.strm.flush(); + } + + static void format_extended_iso_time_zone(context& ctx) + { + ctx.strm << ctx.value.m_time.zone_name(true); + ctx.strm.flush(); + } + }; + + class formatter_builder : + public boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > + { + private: + typedef boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > base_type; + + public: + explicit formatter_builder(formatter& fmt) : base_type(fmt) + { + } + + void on_iso_time_zone() + { + this->m_formatter.add_formatter(&formatter::format_iso_time_zone); + } + + void on_extended_iso_time_zone() + { + this->m_formatter.add_formatter(&formatter::format_extended_iso_time_zone); + } + }; + + //! The function parses format string and constructs formatter function + static formatter_function_type parse(string_type const& format) + { + formatter fmt; + formatter_builder builder(fmt); + boost::log::aux::parse_date_time_format(format, builder); + return formatter_function_type(boost::move(fmt)); + } +}; + +template< typename DateT, typename CharT > +struct date_formatter_generator_traits_impl +{ + //! Character type + typedef CharT char_type; + //! String type + typedef std::basic_string< char_type > string_type; + //! Formatting stream type + typedef basic_formatting_ostream< char_type > stream_type; + //! Value type + typedef DateT value_type; + + //! Formatter function + typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type; + + //! Formatter implementation + class formatter : + public boost::log::aux::date_time_formatter< boost::log::aux::decomposed_time_wrapper< value_type >, char_type > + { + BOOST_COPYABLE_AND_MOVABLE_ALT(formatter) + + private: + // Do not change this typedef, copy-pasting the inherited class from above will break compilation with MSVC 2012 because it incorrectly binds value_type. + typedef typename formatter::date_time_formatter_ base_type; + + public: + typedef typename base_type::result_type result_type; + // This typedef is needed to work around MSVC 2012 crappy name lookup. Otherwise base_type::value_type is bound instead. + typedef typename date_formatter_generator_traits_impl< DateT, CharT >::value_type value_type; + + public: + BOOST_DEFAULTED_FUNCTION(formatter(), {}) + formatter(formatter const& that) : base_type(static_cast< base_type const& >(that)) {} + formatter(BOOST_RV_REF(formatter) that) { this->swap(that); } + + formatter& operator= (formatter that) + { + this->swap(that); + return *this; + } + + result_type operator() (stream_type& strm, value_type const& value) const + { + if (value.is_not_a_date()) + strm << "not-a-date-time"; + else if (value.is_pos_infinity()) + strm << "+infinity"; + else if (value.is_neg_infinity()) + strm << "-infinity"; + else + { + boost::log::aux::decomposed_time_wrapper< value_type > val(value); + date_time_support::decompose_date(value, val); + base_type::operator() (strm, val); + } + } + }; + + //! The function parses format string and constructs formatter function + static formatter_function_type parse(string_type const& format) + { + formatter fmt; + boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > builder(fmt); + boost::log::aux::parse_date_format(format, builder); + return formatter_function_type(boost::move(fmt)); + } +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< gregorian::date, CharT, VoidT > : + public date_formatter_generator_traits_impl< gregorian::date, CharT > +{ +}; + +template< typename TimeDurationT, typename CharT > +struct time_duration_formatter_generator_traits_impl +{ + //! Character type + typedef CharT char_type; + //! String type + typedef std::basic_string< char_type > string_type; + //! Formatting stream type + typedef basic_formatting_ostream< char_type > stream_type; + //! Value type + typedef TimeDurationT value_type; + + //! Formatter function + typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type; + + //! Formatter implementation + class formatter : + public boost::log::aux::date_time_formatter< boost::log::aux::decomposed_time_wrapper< value_type >, char_type > + { + BOOST_COPYABLE_AND_MOVABLE_ALT(formatter) + + private: + // Do not change this typedef, copy-pasting the inherited class from above will break compilation with MSVC 2012 because it incorrectly binds value_type. + typedef typename formatter::date_time_formatter_ base_type; + + public: + typedef typename base_type::result_type result_type; + // This typedef is needed to work around MSVC 2012 crappy name lookup. Otherwise base_type::value_type is bound instead. + typedef typename time_duration_formatter_generator_traits_impl< TimeDurationT, CharT >::value_type value_type; + + public: + BOOST_DEFAULTED_FUNCTION(formatter(), {}) + formatter(formatter const& that) : base_type(static_cast< base_type const& >(that)) {} + formatter(BOOST_RV_REF(formatter) that) { this->swap(that); } + + formatter& operator= (formatter that) + { + this->swap(that); + return *this; + } + + result_type operator() (stream_type& strm, value_type const& value) const + { + if (value.is_not_a_date_time()) + strm << "not-a-date-time"; + else if (value.is_pos_infinity()) + strm << "+infinity"; + else if (value.is_neg_infinity()) + strm << "-infinity"; + else + { + boost::log::aux::decomposed_time_wrapper< value_type > val(value); + date_time_support::decompose_time_duration(value, val); + base_type::operator() (strm, val); + } + } + }; + + //! The function parses format string and constructs formatter function + static formatter_function_type parse(string_type const& format) + { + formatter fmt; + boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > builder(fmt); + boost::log::aux::parse_time_format(format, builder); + return formatter_function_type(boost::move(fmt)); + } +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< posix_time::time_duration, CharT, VoidT > : + public time_duration_formatter_generator_traits_impl< posix_time::time_duration, CharT > +{ +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< posix_time::hours, CharT, VoidT > : + public time_duration_formatter_generator_traits_impl< posix_time::hours, CharT > +{ +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< posix_time::minutes, CharT, VoidT > : + public time_duration_formatter_generator_traits_impl< posix_time::minutes, CharT > +{ +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< posix_time::seconds, CharT, VoidT > : + public time_duration_formatter_generator_traits_impl< posix_time::seconds, CharT > +{ +}; + +template< typename BaseDurationT, uint64_t FracOfSecondV, typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< date_time::subsecond_duration< BaseDurationT, FracOfSecondV >, CharT, VoidT > : + public time_duration_formatter_generator_traits_impl< date_time::subsecond_duration< BaseDurationT, FracOfSecondV >, CharT > +{ +}; + +template< typename DateDurationT, typename CharT > +struct date_duration_formatter_generator_traits_impl +{ + //! Character type + typedef CharT char_type; + //! String type + typedef std::basic_string< char_type > string_type; + //! Formatting stream type + typedef basic_formatting_ostream< char_type > stream_type; + //! Value type + typedef DateDurationT value_type; + + //! Formatter function + typedef boost::log::aux::light_function< void (stream_type&, value_type const&) > formatter_function_type; + + //! Formatter implementation + class formatter : + public boost::log::aux::date_time_formatter< boost::log::aux::decomposed_time_wrapper< value_type >, char_type > + { + BOOST_COPYABLE_AND_MOVABLE_ALT(formatter) + + private: + // Do not change this typedef, copy-pasting the inherited class from above will break compilation with MSVC 2012 because it incorrectly binds value_type. + typedef typename formatter::date_time_formatter_ base_type; + + public: + typedef typename base_type::result_type result_type; + // This typedef is needed to work around MSVC 2012 crappy name lookup. Otherwise base_type::value_type is bound instead. + typedef typename date_duration_formatter_generator_traits_impl< DateDurationT, CharT >::value_type value_type; + + public: + BOOST_DEFAULTED_FUNCTION(formatter(), {}) + formatter(formatter const& that) : base_type(static_cast< base_type const& >(that)) {} + formatter(BOOST_RV_REF(formatter) that) { this->swap(that); } + + formatter& operator= (formatter that) + { + this->swap(that); + return *this; + } + + result_type operator() (stream_type& strm, value_type const& value) const + { + if (value.is_not_a_date()) + strm << "not-a-date-time"; + else if (value.is_pos_infinity()) + strm << "+infinity"; + else if (value.is_neg_infinity()) + strm << "-infinity"; + else + { + boost::log::aux::decomposed_time_wrapper< value_type > val(value); + date_time_support::decompose_date_duration(value, val); + base_type::operator() (strm, val); + } + } + }; + + //! The function parses format string and constructs formatter function + static formatter_function_type parse(string_type const& format) + { + formatter fmt; + boost::log::aux::decomposed_time_formatter_builder< formatter, char_type > builder(fmt); + boost::log::aux::parse_date_format(format, builder); + return formatter_function_type(boost::move(fmt)); + } +}; + +template< typename CharT, typename VoidT > +struct date_time_formatter_generator_traits< gregorian::date_duration, CharT, VoidT > : + public date_formatter_generator_traits_impl< gregorian::date_duration, CharT > +{ +}; + +} // namespace aux + +} // namespace expressions + +BOOST_LOG_CLOSE_NAMESPACE // namespace log + +} // namespace boost + +#include <boost/log/detail/footer.hpp> + +#endif // BOOST_LOG_SUPPORT_DATE_TIME_HPP_INCLUDED_ |