[857] | 1 | #ifndef DATE_TIME_POSIX_TIME_IO_HPP__
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| 2 | #define DATE_TIME_POSIX_TIME_IO_HPP__
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| 3 |
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| 4 | /* Copyright (c) 2004-2005 CrystalClear Software, Inc.
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| 5 | * Use, modification and distribution is subject to the
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| 6 | * Boost Software License, Version 1.0. (See accompanying
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| 7 | * file LICENSE-1.0 or http://www.boost.org/LICENSE-1.0)
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| 8 | * Author: Jeff Garland, Bart Garst
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| 9 | * $Date: 2005/06/28 13:11:46 $
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| 10 | */
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| 11 |
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| 12 | #include "boost/date_time/time_facet.hpp"
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| 13 | #include "boost/date_time/period_formatter.hpp"
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| 14 | #include "boost/date_time/posix_time/time_period.hpp"
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| 15 | #include "boost/date_time/posix_time/posix_time_duration.hpp"
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| 16 | //#include "boost/date_time/gregorian/gregorian_io.hpp"
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| 17 | #include "boost/io/ios_state.hpp"
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| 18 | #include <iostream>
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| 19 | #include <locale>
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| 20 |
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| 21 | namespace boost {
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| 22 | namespace posix_time {
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| 23 |
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| 24 |
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| 25 | //! wptime_facet is depricated and will be phased out. use wtime_facet instead
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| 26 | //typedef boost::date_time::time_facet<ptime, wchar_t> wptime_facet;
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| 27 | //! ptime_facet is depricated and will be phased out. use time_facet instead
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| 28 | //typedef boost::date_time::time_facet<ptime, char> ptime_facet;
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| 29 |
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| 30 | //! wptime_input_facet is depricated and will be phased out. use wtime_input_facet instead
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| 31 | //typedef boost::date_time::time_input_facet<ptime,wchar_t> wptime_input_facet;
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| 32 | //! ptime_input_facet is depricated and will be phased out. use time_input_facet instead
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| 33 | //typedef boost::date_time::time_input_facet<ptime,char> ptime_input_facet;
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| 34 |
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| 35 | typedef boost::date_time::time_facet<ptime, wchar_t> wtime_facet;
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| 36 | typedef boost::date_time::time_facet<ptime, char> time_facet;
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| 37 |
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| 38 | typedef boost::date_time::time_input_facet<ptime, wchar_t> wtime_input_facet;
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| 39 | typedef boost::date_time::time_input_facet<ptime, char> time_input_facet;
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| 40 |
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| 41 | template <class CharT, class TraitsT>
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| 42 | inline
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| 43 | std::basic_ostream<CharT, TraitsT>&
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| 44 | operator<<(std::basic_ostream<CharT, TraitsT>& os,
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| 45 | const ptime& p) {
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| 46 | boost::io::ios_flags_saver iflags(os);
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| 47 | typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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| 48 | typedef std::time_put<CharT> std_ptime_facet;
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| 49 | std::ostreambuf_iterator<CharT> oitr(os);
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| 50 | if (std::has_facet<custom_ptime_facet>(os.getloc()))
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| 51 | std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
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| 52 | else {
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| 53 | //instantiate a custom facet for dealing with times since the user
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| 54 | //has not put one in the stream so far. This is for efficiency
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| 55 | //since we would always need to reconstruct for every time period
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| 56 | //if the locale did not already exist. Of course this will be overridden
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| 57 | //if the user imbues as some later point.
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| 58 | std::ostreambuf_iterator<CharT> oitr(os);
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| 59 | custom_ptime_facet* f = new custom_ptime_facet();
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| 60 | std::locale l = std::locale(os.getloc(), f);
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| 61 | os.imbue(l);
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| 62 | f->put(oitr, os, os.fill(), p);
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| 63 | }
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| 64 | return os;
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| 65 | }
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| 66 |
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| 67 | //! input operator for ptime
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| 68 | template <class CharT, class Traits>
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| 69 | inline
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| 70 | std::basic_istream<CharT, Traits>&
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| 71 | operator>>(std::basic_istream<CharT, Traits>& is, ptime& pt)
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| 72 | {
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| 73 | boost::io::ios_flags_saver iflags(is);
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| 74 | typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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| 75 | if (strm_sentry) {
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| 76 | try {
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| 77 | typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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| 78 |
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| 79 | std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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| 80 | if(std::has_facet<time_input_facet>(is.getloc())) {
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| 81 | std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, pt);
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| 82 | }
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| 83 | else {
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| 84 | time_input_facet* f = new time_input_facet();
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| 85 | std::locale l = std::locale(is.getloc(), f);
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| 86 | is.imbue(l);
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| 87 | f->get(sit, str_end, is, pt);
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| 88 | }
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| 89 | }
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| 90 | catch(...) {
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| 91 | // mask tells us what exceptions are turned on
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| 92 | std::ios_base::iostate exception_mask = is.exceptions();
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| 93 | // if the user wants exceptions on failbit, we'll rethrow our
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| 94 | // date_time exception & set the failbit
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| 95 | if(std::ios_base::failbit & exception_mask) {
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| 96 | try { is.setstate(std::ios_base::failbit); }
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| 97 | catch(std::ios_base::failure&) {} // ignore this one
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| 98 | throw; // rethrow original exception
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| 99 | }
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| 100 | else {
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| 101 | // if the user want's to fail quietly, we simply set the failbit
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| 102 | is.setstate(std::ios_base::failbit);
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| 103 | }
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| 104 |
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| 105 | }
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| 106 | }
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| 107 | return is;
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| 108 | }
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| 109 |
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| 110 |
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| 111 | template <class CharT, class TraitsT>
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| 112 | inline
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| 113 | std::basic_ostream<CharT, TraitsT>&
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| 114 | operator<<(std::basic_ostream<CharT, TraitsT>& os,
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| 115 | const boost::posix_time::time_period& p) {
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| 116 | boost::io::ios_flags_saver iflags(os);
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| 117 | typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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| 118 | typedef std::time_put<CharT> std_time_facet;
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| 119 | std::ostreambuf_iterator<CharT> oitr(os);
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| 120 | if (std::has_facet<custom_ptime_facet>(os.getloc())) {
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| 121 | std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), p);
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| 122 | }
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| 123 | else {
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| 124 | //instantiate a custom facet for dealing with periods since the user
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| 125 | //has not put one in the stream so far. This is for efficiency
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| 126 | //since we would always need to reconstruct for every time period
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| 127 | //if the local did not already exist. Of course this will be overridden
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| 128 | //if the user imbues as some later point.
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| 129 | std::ostreambuf_iterator<CharT> oitr(os);
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| 130 | custom_ptime_facet* f = new custom_ptime_facet();
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| 131 | std::locale l = std::locale(os.getloc(), f);
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| 132 | os.imbue(l);
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| 133 | f->put(oitr, os, os.fill(), p);
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| 134 | }
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| 135 | return os;
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| 136 | }
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| 137 |
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| 138 | //! input operator for time_period
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| 139 | template <class CharT, class Traits>
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| 140 | inline
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| 141 | std::basic_istream<CharT, Traits>&
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| 142 | operator>>(std::basic_istream<CharT, Traits>& is, time_period& tp)
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| 143 | {
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| 144 | boost::io::ios_flags_saver iflags(is);
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| 145 | typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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| 146 | if (strm_sentry) {
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| 147 | try {
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| 148 | typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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| 149 |
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| 150 | std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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| 151 | if(std::has_facet<time_input_facet>(is.getloc())) {
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| 152 | std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, tp);
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| 153 | }
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| 154 | else {
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| 155 | time_input_facet* f = new time_input_facet();
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| 156 | std::locale l = std::locale(is.getloc(), f);
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| 157 | is.imbue(l);
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| 158 | f->get(sit, str_end, is, tp);
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| 159 | }
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| 160 | }
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| 161 | catch(...) {
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| 162 | std::ios_base::iostate exception_mask = is.exceptions();
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| 163 | if(std::ios_base::failbit & exception_mask) {
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| 164 | try { is.setstate(std::ios_base::failbit); }
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| 165 | catch(std::ios_base::failure&) {}
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| 166 | throw; // rethrow original exception
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| 167 | }
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| 168 | else {
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| 169 | is.setstate(std::ios_base::failbit);
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| 170 | }
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| 171 |
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| 172 | }
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| 173 | }
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| 174 | return is;
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| 175 | }
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| 176 |
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| 177 |
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| 178 | //! ostream operator for posix_time::time_duration
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| 179 | // todo fix to use facet -- place holder for now...
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| 180 | template <class CharT, class Traits>
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| 181 | inline
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| 182 | std::basic_ostream<CharT, Traits>&
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| 183 | operator<<(std::basic_ostream<CharT, Traits>& os, const time_duration& td)
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| 184 | {
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| 185 | boost::io::ios_flags_saver iflags(os);
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| 186 | typedef boost::date_time::time_facet<ptime, CharT> custom_ptime_facet;
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| 187 | typedef std::time_put<CharT> std_ptime_facet;
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| 188 | std::ostreambuf_iterator<CharT> oitr(os);
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| 189 | if (std::has_facet<custom_ptime_facet>(os.getloc()))
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| 190 | std::use_facet<custom_ptime_facet>(os.getloc()).put(oitr, os, os.fill(), td);
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| 191 | else {
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| 192 | //instantiate a custom facet for dealing with times since the user
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| 193 | //has not put one in the stream so far. This is for efficiency
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| 194 | //since we would always need to reconstruct for every time period
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| 195 | //if the locale did not already exist. Of course this will be overridden
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| 196 | //if the user imbues as some later point.
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| 197 | std::ostreambuf_iterator<CharT> oitr(os);
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| 198 | custom_ptime_facet* f = new custom_ptime_facet();
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| 199 | std::locale l = std::locale(os.getloc(), f);
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| 200 | os.imbue(l);
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| 201 | f->put(oitr, os, os.fill(), td);
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| 202 | }
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| 203 | return os;
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| 204 | }
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| 205 |
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| 206 | //! input operator for time_duration
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| 207 | template <class CharT, class Traits>
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| 208 | inline
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| 209 | std::basic_istream<CharT, Traits>&
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| 210 | operator>>(std::basic_istream<CharT, Traits>& is, time_duration& td)
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| 211 | {
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| 212 | boost::io::ios_flags_saver iflags(is);
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| 213 | typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false);
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| 214 | if (strm_sentry) {
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| 215 | try {
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| 216 | typedef typename date_time::time_input_facet<ptime, CharT> time_input_facet;
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| 217 |
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| 218 | std::istreambuf_iterator<CharT,Traits> sit(is), str_end;
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| 219 | if(std::has_facet<time_input_facet>(is.getloc())) {
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| 220 | std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, td);
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| 221 | }
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| 222 | else {
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| 223 | time_input_facet* f = new time_input_facet();
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| 224 | std::locale l = std::locale(is.getloc(), f);
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| 225 | is.imbue(l);
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| 226 | f->get(sit, str_end, is, td);
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| 227 | }
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| 228 | }
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| 229 | catch(...) {
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| 230 | std::ios_base::iostate exception_mask = is.exceptions();
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| 231 | if(std::ios_base::failbit & exception_mask) {
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| 232 | try { is.setstate(std::ios_base::failbit); }
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| 233 | catch(std::ios_base::failure&) {}
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| 234 | throw; // rethrow original exception
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| 235 | }
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| 236 | else {
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| 237 | is.setstate(std::ios_base::failbit);
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| 238 | }
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| 239 |
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| 240 | }
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| 241 | }
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| 242 | return is;
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| 243 | }
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| 244 |
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| 245 | } } // namespaces
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| 246 | #endif // DATE_TIME_POSIX_TIME_IO_HPP__
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