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- #ifndef BOOST_LOG_DETAIL_DATE_TIME_FORMAT_PARSER_HPP_INCLUDED_
- #define BOOST_LOG_DETAIL_DATE_TIME_FORMAT_PARSER_HPP_INCLUDED_
- #include <string>
- #include <boost/range/as_literal.hpp>
- #include <boost/range/iterator_range_core.hpp>
- #include <boost/log/detail/config.hpp>
- #include <boost/log/detail/header.hpp>
- #ifdef BOOST_HAS_PRAGMA_ONCE
- #pragma once
- #endif
- namespace boost {
- BOOST_LOG_OPEN_NAMESPACE
- namespace aux {
- template< typename CharT >
- struct date_format_parser_callback
- {
-
- typedef CharT char_type;
-
- virtual ~date_format_parser_callback() {}
-
- virtual void on_literal(iterator_range< const char_type* > const& lit) = 0;
-
- virtual void on_placeholder(iterator_range< const char_type* > const& ph)
- {
-
- on_literal(ph);
- }
-
- virtual void on_short_year()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('y'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_full_year()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('Y'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_numeric_month()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('m'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_short_month()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('b'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_full_month()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('B'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_month_day(bool leading_zero)
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), (leading_zero ? static_cast< char_type >('d') : static_cast< char_type >('e')), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_numeric_week_day()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('w'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_short_week_day()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('a'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_full_week_day()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('A'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_iso_date()
- {
- on_full_year();
- on_numeric_month();
- on_month_day(true);
- }
-
- virtual void on_extended_iso_date()
- {
- const char_type delimiter[2] = { static_cast< char_type >('-'), static_cast< char_type >('\0') };
- on_full_year();
- on_literal(boost::as_literal(delimiter));
- on_numeric_month();
- on_literal(boost::as_literal(delimiter));
- on_month_day(true);
- }
- };
- template< typename CharT >
- struct time_format_parser_callback
- {
-
- typedef CharT char_type;
-
- virtual ~time_format_parser_callback() {}
-
- virtual void on_literal(iterator_range< const char_type* > const& lit) = 0;
-
- virtual void on_placeholder(iterator_range< const char_type* > const& ph)
- {
-
- on_literal(ph);
- }
-
- virtual void on_hours(bool leading_zero)
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), (leading_zero ? static_cast< char_type >('O') : static_cast< char_type >('k')), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_hours_12(bool leading_zero)
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), (leading_zero ? static_cast< char_type >('I') : static_cast< char_type >('l')), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_minutes()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('M'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_seconds()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('S'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_fractional_seconds()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('f'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_am_pm(bool upper_case)
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), (upper_case ? static_cast< char_type >('p') : static_cast< char_type >('P')), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_duration_sign(bool display_positive)
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), (display_positive ? static_cast< char_type >('+') : static_cast< char_type >('-')), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_iso_time_zone()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('q'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_extended_iso_time_zone()
- {
- const char_type placeholder[3] = { static_cast< char_type >('%'), static_cast< char_type >('Q'), static_cast< char_type >('\0') };
- on_placeholder(boost::as_literal(placeholder));
- }
-
- virtual void on_iso_time()
- {
- on_hours(true);
- on_minutes();
- on_seconds();
- }
-
- virtual void on_extended_iso_time()
- {
- const char_type delimiter[2] = { static_cast< char_type >(':'), static_cast< char_type >('\0') };
- on_hours(true);
- on_literal(boost::as_literal(delimiter));
- on_minutes();
- on_literal(boost::as_literal(delimiter));
- on_seconds();
- }
-
- virtual void on_default_time()
- {
- on_extended_iso_time();
- const char_type delimiter[2] = { static_cast< char_type >('.'), static_cast< char_type >('\0') };
- on_literal(boost::as_literal(delimiter));
- on_fractional_seconds();
- }
- };
- template< typename CharT >
- struct date_time_format_parser_callback :
- public date_format_parser_callback< CharT >,
- public time_format_parser_callback< CharT >
- {
-
- typedef CharT char_type;
-
- ~date_time_format_parser_callback() BOOST_OVERRIDE {}
-
- void on_literal(iterator_range< const char_type* > const& lit) BOOST_OVERRIDE = 0;
-
- void on_placeholder(iterator_range< const char_type* > const& ph) BOOST_OVERRIDE
- {
-
- on_literal(ph);
- }
- };
- template< typename CharT >
- BOOST_LOG_API void parse_date_format(const CharT* begin, const CharT* end, date_format_parser_callback< CharT >& callback);
- template< typename CharT, typename TraitsT, typename AllocatorT >
- inline void parse_date_format(std::basic_string< CharT, TraitsT, AllocatorT > const& str, date_format_parser_callback< CharT >& callback)
- {
- const CharT* p = str.c_str();
- return parse_date_format(p, p + str.size(), callback);
- }
- template< typename CharT >
- inline void parse_date_format(const CharT* str, date_format_parser_callback< CharT >& callback)
- {
- return parse_date_format(str, str + std::char_traits< CharT >::length(str), callback);
- }
- template< typename CharT >
- BOOST_LOG_API void parse_time_format(const CharT* begin, const CharT* end, time_format_parser_callback< CharT >& callback);
- template< typename CharT, typename TraitsT, typename AllocatorT >
- inline void parse_time_format(std::basic_string< CharT, TraitsT, AllocatorT > const& str, time_format_parser_callback< CharT >& callback)
- {
- const CharT* p = str.c_str();
- return parse_time_format(p, p + str.size(), callback);
- }
- template< typename CharT >
- inline void parse_time_format(const CharT* str, time_format_parser_callback< CharT >& callback)
- {
- return parse_time_format(str, str + std::char_traits< CharT >::length(str), callback);
- }
- template< typename CharT >
- BOOST_LOG_API void parse_date_time_format(const CharT* begin, const CharT* end, date_time_format_parser_callback< CharT >& callback);
- template< typename CharT, typename TraitsT, typename AllocatorT >
- inline void parse_date_time_format(std::basic_string< CharT, TraitsT, AllocatorT > const& str, date_time_format_parser_callback< CharT >& callback)
- {
- const CharT* p = str.c_str();
- return parse_date_time_format(p, p + str.size(), callback);
- }
- template< typename CharT >
- inline void parse_date_time_format(const CharT* str, date_time_format_parser_callback< CharT >& callback)
- {
- return parse_date_time_format(str, str + std::char_traits< CharT >::length(str), callback);
- }
- }
- BOOST_LOG_CLOSE_NAMESPACE
- }
- #include <boost/log/detail/footer.hpp>
- #endif
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