annotate DEPENDENCIES/generic/include/boost/date_time/time_formatting_streams.hpp @ 133:4acb5d8d80b6 tip

Don't fail environmental check if README.md exists (but .txt and no-suffix don't)
author Chris Cannam
date Tue, 30 Jul 2019 12:25:44 +0100
parents c530137014c0
children
rev   line source
Chris@16 1 #ifndef DATE_TIME_TIME_FORMATTING_STREAMS_HPP___
Chris@16 2 #define DATE_TIME_TIME_FORMATTING_STREAMS_HPP___
Chris@16 3
Chris@16 4 /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
Chris@16 5 * Use, modification and distribution is subject to the
Chris@16 6 * Boost Software License, Version 1.0. (See accompanying
Chris@16 7 * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
Chris@16 8 * Author: Jeff Garland, Bart Garst
Chris@101 9 * $Date$
Chris@16 10 */
Chris@16 11
Chris@16 12 #include <boost/date_time/compiler_config.hpp>
Chris@16 13
Chris@16 14 #ifndef BOOST_DATE_TIME_NO_LOCALE
Chris@16 15
Chris@16 16 #include <locale>
Chris@16 17 #include <iomanip>
Chris@16 18 #include <iostream>
Chris@16 19 #include <boost/date_time/date_formatting_locales.hpp>
Chris@16 20 #include <boost/date_time/time_resolution_traits.hpp>
Chris@16 21
Chris@16 22 namespace boost {
Chris@16 23 namespace date_time {
Chris@16 24
Chris@16 25
Chris@16 26 //! Put a time type into a stream using appropriate facets
Chris@16 27 template<class time_duration_type,
Chris@16 28 class charT = char>
Chris@16 29 class ostream_time_duration_formatter
Chris@16 30 {
Chris@16 31 public:
Chris@16 32 typedef std::basic_ostream<charT> ostream_type;
Chris@16 33 typedef typename time_duration_type::fractional_seconds_type fractional_seconds_type;
Chris@16 34
Chris@16 35 //! Put time into an ostream
Chris@16 36 static void duration_put(const time_duration_type& td,
Chris@16 37 ostream_type& os)
Chris@16 38 {
Chris@16 39 if(td.is_special()) {
Chris@16 40 os << td.get_rep();
Chris@16 41 }
Chris@16 42 else {
Chris@16 43 charT fill_char = '0';
Chris@16 44 if(td.is_negative()) {
Chris@16 45 os << '-';
Chris@16 46 }
Chris@16 47 os << std::setw(2) << std::setfill(fill_char)
Chris@16 48 << absolute_value(td.hours()) << ":";
Chris@16 49 os << std::setw(2) << std::setfill(fill_char)
Chris@16 50 << absolute_value(td.minutes()) << ":";
Chris@16 51 os << std::setw(2) << std::setfill(fill_char)
Chris@16 52 << absolute_value(td.seconds());
Chris@16 53 fractional_seconds_type frac_sec =
Chris@16 54 absolute_value(td.fractional_seconds());
Chris@16 55 if (frac_sec != 0) {
Chris@16 56 os << "."
Chris@16 57 << std::setw(time_duration_type::num_fractional_digits())
Chris@16 58 << std::setfill(fill_char)
Chris@16 59 << frac_sec;
Chris@16 60 }
Chris@16 61 } // else
Chris@16 62 } // duration_put
Chris@16 63 }; //class ostream_time_duration_formatter
Chris@16 64
Chris@16 65 //! Put a time type into a stream using appropriate facets
Chris@16 66 template<class time_type,
Chris@16 67 class charT = char>
Chris@16 68 class ostream_time_formatter
Chris@16 69 {
Chris@16 70 public:
Chris@16 71 typedef std::basic_ostream<charT> ostream_type;
Chris@16 72 typedef typename time_type::date_type date_type;
Chris@16 73 typedef typename time_type::time_duration_type time_duration_type;
Chris@16 74 typedef ostream_time_duration_formatter<time_duration_type, charT> duration_formatter;
Chris@16 75
Chris@16 76 //! Put time into an ostream
Chris@16 77 static void time_put(const time_type& t,
Chris@16 78 ostream_type& os)
Chris@16 79 {
Chris@16 80 date_type d = t.date();
Chris@16 81 os << d;
Chris@16 82 if(!d.is_infinity() && !d.is_not_a_date())
Chris@16 83 {
Chris@16 84 os << " "; //TODO: fix the separator here.
Chris@16 85 duration_formatter::duration_put(t.time_of_day(), os);
Chris@16 86 }
Chris@16 87
Chris@16 88 } // time_to_ostream
Chris@16 89 }; //class ostream_time_formatter
Chris@16 90
Chris@16 91
Chris@16 92 //! Put a time period into a stream using appropriate facets
Chris@16 93 template<class time_period_type,
Chris@16 94 class charT = char>
Chris@16 95 class ostream_time_period_formatter
Chris@16 96 {
Chris@16 97 public:
Chris@16 98 typedef std::basic_ostream<charT> ostream_type;
Chris@16 99 typedef typename time_period_type::point_type time_type;
Chris@16 100 typedef ostream_time_formatter<time_type, charT> time_formatter;
Chris@16 101
Chris@16 102 //! Put time into an ostream
Chris@16 103 static void period_put(const time_period_type& tp,
Chris@16 104 ostream_type& os)
Chris@16 105 {
Chris@16 106 os << '['; //TODO: facet or manipulator for periods?
Chris@16 107 time_formatter::time_put(tp.begin(), os);
Chris@16 108 os << '/'; //TODO: facet or manipulator for periods?
Chris@16 109 time_formatter::time_put(tp.last(), os);
Chris@16 110 os << ']';
Chris@16 111
Chris@16 112 } // period_put
Chris@16 113
Chris@16 114 }; //class ostream_time_period_formatter
Chris@16 115
Chris@16 116
Chris@16 117
Chris@16 118 } } //namespace date_time
Chris@16 119
Chris@16 120 #endif //BOOST_DATE_TIME_NO_LOCALE
Chris@16 121
Chris@16 122 #endif