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Subject: [Boost-commit] svn:boost r80430 - branches/release/boost/chrono/io
From: vicente.botet_at_[hidden]
Date: 2012-09-07 02:37:06


Author: viboes
Date: 2012-09-07 02:37:00 EDT (Fri, 07 Sep 2012)
New Revision: 80430
URL: http://svn.boost.org/trac/boost/changeset/80430

Log:
Chrono: Added missing files
Added:
   branches/release/boost/chrono/io/duration_io.hpp (contents, props changed)
   branches/release/boost/chrono/io/time_point_io.hpp (contents, props changed)

Added: branches/release/boost/chrono/io/duration_io.hpp
==============================================================================
--- (empty file)
+++ branches/release/boost/chrono/io/duration_io.hpp 2012-09-07 02:37:00 EDT (Fri, 07 Sep 2012)
@@ -0,0 +1,230 @@
+// (C) Copyright Howard Hinnant
+// (C) Copyright 2011 Vicente J. Botet Escriba
+// Use, modification and distribution are subject to 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).
+//
+// This code was adapted by Vicente from Howard Hinnant's experimental work
+// on chrono i/o to Boost
+
+#ifndef BOOST_CHRONO_IO_DURATION_IO_HPP
+#define BOOST_CHRONO_IO_DURATION_IO_HPP
+
+#include <boost/chrono/chrono.hpp>
+#include <boost/ratio/ratio_io.hpp>
+#include <boost/chrono/io/duration_style.hpp>
+#include <boost/chrono/io/ios_base_state.hpp>
+#include <boost/chrono/io/duration_put.hpp>
+#include <boost/chrono/io/duration_get.hpp>
+#include <boost/chrono/io/utility/manip_base.hpp>
+#include <locale>
+#include <iostream>
+
+namespace boost
+{
+ namespace chrono
+ {
+
+ /**
+ * duration parameterized manipulator.
+ */
+
+ class duration_fmt: public manip<duration_fmt>
+ {
+ duration_style style_;
+ public:
+
+ /**
+ * explicit manipulator constructor from a @c duration_style
+ */
+ explicit duration_fmt(duration_style style)BOOST_NOEXCEPT
+ : style_(style)
+ {}
+
+ /**
+ * Change the duration_style ios state;
+ */
+ void operator()(std::ios_base &ios) const
+
+ {
+ set_duration_style(ios, style_);
+ }
+ };
+
+ /**
+ * duration_style i/o saver.
+ *
+ * See Boost.IO i/o state savers for a motivating compression.
+ */
+ struct duration_style_io_saver
+ {
+
+ //! the type of the state to restore
+ typedef std::ios_base state_type;
+ //! the type of aspect to save
+ typedef duration_style aspect_type;
+
+ /**
+ * Explicit construction from an i/o stream.
+ *
+ * Store a reference to the i/o stream and the value of the associated @c duration_style.
+ */
+ explicit duration_style_io_saver(state_type &s) :
+ s_save_(s)
+ {
+ a_save_ = get_duration_style(s_save_);
+ }
+
+ /**
+ * Construction from an i/o stream and a @c duration_style to restore.
+ *
+ * Stores a reference to the i/o stream and the value @c duration_style to restore given as parameter.
+ */
+ duration_style_io_saver(state_type &s, aspect_type new_value) :
+ s_save_(s), a_save_(new_value)
+ {
+ }
+
+ /**
+ * Destructor.
+ *
+ * Restores the i/o stream with the duration_style to be restored.
+ */
+ ~duration_style_io_saver()
+ {
+ this->restore();
+ }
+
+ /**
+ * Restores the i/o stream with the duration_style to be restored.
+ */
+ void restore()
+ {
+ set_duration_style(s_save_, a_save_);
+ }
+
+ private:
+ state_type& s_save_;
+ aspect_type a_save_;
+ };
+
+ /**
+ * duration stream inserter
+ * @param os the output stream
+ * @param d to value to insert
+ * @return @c os
+ */
+ template <class CharT, class Traits, class Rep, class Period>
+ std::basic_ostream<CharT, Traits>&
+ operator<<(std::basic_ostream<CharT, Traits>& os, const duration<Rep, Period>& d)
+ {
+ typedef std::basic_string<CharT, Traits> string_type;
+#ifndef BOOST_NO_EXCEPTIONS
+ bool failed = false;
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ std::ios_base::iostate err = std::ios_base::goodbit;
+#ifndef BOOST_NO_EXCEPTIONS
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ typename std::basic_ostream<CharT, Traits>::sentry opfx(os);
+ if (opfx)
+ {
+ if (!std::has_facet<duration_put<CharT> >(os.getloc()))
+ {
+ if (duration_put<CharT> ().put(os, os, os.fill(), d) .failed())
+ {
+ err = std::ios_base::badbit;
+ }
+ }
+ else if (std::use_facet<duration_put<CharT> >(os.getloc()) .put(os, os, os.fill(), d) .failed())
+ {
+ err = std::ios_base::badbit;
+ }
+ os.width(0);
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ bool flag = false;
+ try // BOOST_NO_EXCEPTIONS protected
+ {
+ os.setstate(std::ios_base::failbit);
+ }
+ catch (std::ios_base::failure ) // BOOST_NO_EXCEPTIONS protected
+ {
+ flag = true;
+ }
+ if (flag) throw;
+ }
+#endif
+ if (err) os.setstate(err);
+ return os;
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ failed = true;
+ }
+ if (failed) os.setstate(std::ios_base::failbit | std::ios_base::badbit);
+#endif
+ return os;
+ }
+
+ /**
+ *
+ * @param is the input stream
+ * @param d the duration
+ * @return @c is
+ */
+ template <class CharT, class Traits, class Rep, class Period>
+ std::basic_istream<CharT, Traits>&
+ operator>>(std::basic_istream<CharT, Traits>& is, duration<Rep, Period>& d)
+ {
+ std::ios_base::iostate err = std::ios_base::goodbit;
+
+#ifndef BOOST_NO_EXCEPTIONS
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ typename std::basic_istream<CharT, Traits>::sentry ipfx(is);
+ if (ipfx)
+ {
+ if (!std::has_facet<duration_get<CharT> >(is.getloc()))
+ {
+ duration_get<CharT> ().get(is, std::istreambuf_iterator<CharT, Traits>(), is, err, d);
+ }
+ else
+ {
+ std::use_facet<duration_get<CharT> >(is.getloc()) .get(is, std::istreambuf_iterator<CharT, Traits>(), is,
+ err, d);
+ }
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ bool flag = false;
+ try // BOOST_NO_EXCEPTIONS protected
+ {
+ is.setstate(std::ios_base::failbit);
+ }
+ catch (std::ios_base::failure ) // BOOST_NO_EXCEPTIONS protected
+ {
+ flag = true;
+ }
+ if (flag) throw; // BOOST_NO_EXCEPTIONS protected
+ }
+#endif
+ if (err) is.setstate(err);
+ return is;
+ }
+
+ } // chrono
+
+}
+
+#endif // header

Added: branches/release/boost/chrono/io/time_point_io.hpp
==============================================================================
--- (empty file)
+++ branches/release/boost/chrono/io/time_point_io.hpp 2012-09-07 02:37:00 EDT (Fri, 07 Sep 2012)
@@ -0,0 +1,707 @@
+// (C) Copyright Howard Hinnant
+// (C) Copyright 2010-2011 Vicente J. Botet Escriba
+// Use, modification and distribution are subject to 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).
+//
+// This code was adapted by Vicente from Howard Hinnant's experimental work
+// on chrono i/o to Boost
+
+#ifndef BOOST_CHRONO_IO_TIME_POINT_IO_HPP
+#define BOOST_CHRONO_IO_TIME_POINT_IO_HPP
+
+#include <boost/chrono/io/time_point_put.hpp>
+#include <boost/chrono/io/time_point_get.hpp>
+#include <boost/chrono/io/duration_io.hpp>
+#include <boost/chrono/io/ios_base_state.hpp>
+#include <boost/chrono/io/utility/manip_base.hpp>
+#include <boost/chrono/chrono.hpp>
+#include <boost/chrono/clock_string.hpp>
+#include <boost/chrono/round.hpp>
+#include <boost/chrono/detail/scan_keyword.hpp>
+#include <cstring>
+#include <locale>
+#include <string.h>
+
+namespace boost
+{
+ namespace chrono
+ {
+ namespace detail
+ {
+
+ template <class CharT>
+ class time_manip: public manip<time_manip<CharT> >
+ {
+ std::basic_string<CharT> fmt_;
+ timezone tz_;
+ public:
+
+ time_manip(timezone tz, std::basic_string<CharT> fmt)
+ // todo move semantics
+ :
+ fmt_(fmt), tz_(tz)
+ {
+ }
+
+ /**
+ * Change the timezone and time format ios state;
+ */
+ void operator()(std::ios_base &ios) const
+ {
+ set_time_fmt<CharT> (ios, fmt_);
+ set_timezone(ios, tz_);
+ }
+ };
+
+ class time_man: public manip<time_man>
+ {
+ timezone tz_;
+ public:
+
+ time_man(timezone tz)
+ // todo move semantics
+ :
+ tz_(tz)
+ {
+ }
+
+ /**
+ * Change the timezone and time format ios state;
+ */
+ void operator()(std::ios_base &ios) const
+ {
+ //set_time_fmt<typename out_stream::char_type>(ios, "");
+ set_timezone(ios, tz_);
+ }
+ };
+
+ }
+
+ template <class CharT>
+ inline detail::time_manip<CharT> time_fmt(timezone tz, const CharT* fmt)
+ {
+ return detail::time_manip<CharT>(tz, fmt);
+ }
+
+ template <class CharT>
+ inline detail::time_manip<CharT> time_fmt(timezone tz, std::basic_string<CharT> fmt)
+ {
+ // todo move semantics
+ return detail::time_manip<CharT>(tz, fmt);
+ }
+
+ inline detail::time_man time_fmt(timezone f)
+ {
+ return detail::time_man(f);
+ }
+
+ /**
+ * time_fmt_io_saver i/o saver.
+ *
+ * See Boost.IO i/o state savers for a motivating compression.
+ */
+ template <typename CharT = char, typename Traits = std::char_traits<CharT> >
+ struct time_fmt_io_saver
+ {
+
+ //! the type of the state to restore
+ typedef std::basic_ostream<CharT, Traits> state_type;
+ //! the type of aspect to save
+ typedef std::basic_string<CharT, Traits> aspect_type;
+
+ /**
+ * Explicit construction from an i/o stream.
+ *
+ * Store a reference to the i/o stream and the value of the associated @c time format .
+ */
+ explicit time_fmt_io_saver(state_type &s) :
+ s_save_(s), a_save_(get_time_fmt(s_save_))
+ {
+ }
+
+ /**
+ * Construction from an i/o stream and a @c time format to restore.
+ *
+ * Stores a reference to the i/o stream and the value @c new_value to restore given as parameter.
+ */
+ time_fmt_io_saver(state_type &s, aspect_type new_value) :
+ s_save_(s), a_save_(new_value)
+ {
+ }
+
+ /**
+ * Destructor.
+ *
+ * Restores the i/o stream with the format to be restored.
+ */
+ ~time_fmt_io_saver()
+ {
+ this->restore();
+ }
+
+ /**
+ * Restores the i/o stream with the time format to be restored.
+ */
+ void restore()
+ {
+ set_time_fmt(a_save_, a_save_);
+ }
+ private:
+ state_type& s_save_;
+ aspect_type a_save_;
+ };
+
+ /**
+ * timezone_io_saver i/o saver.
+ *
+ * See Boost.IO i/o state savers for a motivating compression.
+ */
+ struct timezone_io_saver
+ {
+
+ //! the type of the state to restore
+ typedef std::ios_base state_type;
+ //! the type of aspect to save
+ typedef timezone aspect_type;
+
+ /**
+ * Explicit construction from an i/o stream.
+ *
+ * Store a reference to the i/o stream and the value of the associated @c timezone.
+ */
+ explicit timezone_io_saver(state_type &s) :
+ s_save_(s), a_save_(get_timezone(s_save_))
+ {
+ }
+
+ /**
+ * Construction from an i/o stream and a @c timezone to restore.
+ *
+ * Stores a reference to the i/o stream and the value @c new_value to restore given as parameter.
+ */
+ timezone_io_saver(state_type &s, aspect_type new_value) :
+ s_save_(s), a_save_(new_value)
+ {
+ }
+
+ /**
+ * Destructor.
+ *
+ * Restores the i/o stream with the format to be restored.
+ */
+ ~timezone_io_saver()
+ {
+ this->restore();
+ }
+
+ /**
+ * Restores the i/o stream with the timezone to be restored.
+ */
+ void restore()
+ {
+ set_timezone(s_save_, a_save_);
+ }
+ private:
+ state_type& s_save_;
+ aspect_type a_save_;
+ };
+
+ /**
+ *
+ * @param os
+ * @param tp
+ * @Effects Behaves as a formatted output function. After constructing a @c sentry object, if the @ sentry
+ * converts to true, calls to @c facet.put(os,os,os.fill(),tp) where @c facet is the @c time_point_put<CharT>
+ * facet associated to @c os or a new created instance of the default @c time_point_put<CharT> facet.
+ * @return @c os.
+ */
+ template <class CharT, class Traits, class Clock, class Duration>
+ std::basic_ostream<CharT, Traits>&
+ operator<<(std::basic_ostream<CharT, Traits>& os, const time_point<Clock, Duration>& tp)
+ {
+
+ typedef std::basic_string<CharT, Traits> string_type;
+#ifndef BOOST_NO_EXCEPTIONS
+ bool failed = false;
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ std::ios_base::iostate err = std::ios_base::goodbit;
+#ifndef BOOST_NO_EXCEPTIONS
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ typename std::basic_ostream<CharT, Traits>::sentry opfx(os);
+ if (opfx)
+ {
+ if (!std::has_facet<time_point_put<CharT> >(os.getloc()))
+ {
+ if (time_point_put<CharT> ().put(os, os, os.fill(), tp) .failed())
+ {
+ err = std::ios_base::badbit;
+ }
+ }
+ else
+ {
+ if (std::use_facet<time_point_put<CharT> >(os.getloc()) .put(os, os, os.fill(), tp).failed())
+ {
+ err = std::ios_base::badbit;
+ }
+ }
+ os.width(0);
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ bool flag = false;
+ try // BOOST_NO_EXCEPTIONS protected
+ {
+ os.setstate(std::ios_base::failbit);
+ }
+ catch (std::ios_base::failure ) // BOOST_NO_EXCEPTIONS protected
+ {
+ flag = true;
+ }
+ if (flag) throw;
+ }
+#endif
+ if (err) os.setstate(err);
+ return os;
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ failed = true;
+ }
+ if (failed) os.setstate(std::ios_base::failbit | std::ios_base::badbit);
+#endif
+ return os;
+ }
+
+ template <class CharT, class Traits, class Clock, class Duration>
+ std::basic_istream<CharT, Traits>&
+ operator>>(std::basic_istream<CharT, Traits>& is, time_point<Clock, Duration>& tp)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ std::ios_base::iostate err = std::ios_base::goodbit;
+
+#ifndef BOOST_NO_EXCEPTIONS
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ typename std::basic_istream<CharT, Traits>::sentry ipfx(is);
+ if (ipfx)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ if (!std::has_facet<time_point_get<CharT> >(is.getloc()))
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ time_point_get<CharT> ().get(is, std::istreambuf_iterator<CharT, Traits>(), is, err, tp);
+ }
+ else
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ std::use_facet<time_point_get<CharT> >(is.getloc()).get(is, std::istreambuf_iterator<CharT, Traits>(), is,
+ err, tp);
+ }
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ bool flag = false;
+ try
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ is.setstate(std::ios_base::failbit);
+ }
+ catch (std::ios_base::failure ) // BOOST_NO_EXCEPTIONS protected
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ flag = true;
+ }
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ if (flag) throw;
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ }
+#endif
+ if (err) is.setstate(err);
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ return is;
+ }
+
+#ifndef BOOST_CHRONO_NO_UTC_TIMEPOINT
+
+ namespace detail
+ {
+#if defined BOOST_WINDOWS && ! defined(__CYGWIN__)
+ int is_leap(int year)
+ {
+ if(year % 400 == 0)
+ return 1;
+ if(year % 100 == 0)
+ return 0;
+ if(year % 4 == 0)
+ return 1;
+ return 0;
+ }
+ inline int days_from_0(int year)
+ {
+ year--;
+ return 365 * year + (year / 400) - (year/100) + (year / 4);
+ }
+ int days_from_1970(int year)
+ {
+ static const int days_from_0_to_1970 = days_from_0(1970);
+ return days_from_0(year) - days_from_0_to_1970;
+ }
+ int days_from_1jan(int year,int month,int day)
+ {
+ static const int days[2][12] =
+ {
+ { 0,31,59,90,120,151,181,212,243,273,304,334},
+ { 0,31,60,91,121,152,182,213,244,274,305,335}
+ };
+ return days[is_leap(year)][month-1] + day - 1;
+ }
+
+ time_t internal_timegm(std::tm const *t)
+ {
+ int year = t->tm_year + 1900;
+ int month = t->tm_mon;
+ if(month > 11)
+ {
+ year += month/12;
+ month %= 12;
+ }
+ else if(month < 0)
+ {
+ int years_diff = (-month + 11)/12;
+ year -= years_diff;
+ month+=12 * years_diff;
+ }
+ month++;
+ int day = t->tm_mday;
+ int day_of_year = days_from_1jan(year,month,day);
+ int days_since_epoch = days_from_1970(year) + day_of_year;
+
+ time_t seconds_in_day = 3600 * 24;
+ time_t result = seconds_in_day * days_since_epoch + 3600 * t->tm_hour + 60 * t->tm_min + t->tm_sec;
+
+ return result;
+ }
+#endif
+ } // detail
+
+ template <class CharT, class Traits, class Duration>
+ std::basic_ostream<CharT, Traits>&
+ operator<<(std::basic_ostream<CharT, Traits>& os, const time_point<system_clock, Duration>& tp)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ typename std::basic_ostream<CharT, Traits>::sentry ok(os);
+ if (ok)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ bool failed = false;
+#ifndef BOOST_NO_EXCEPTIONS
+ try // BOOST_NO_EXCEPTIONS protected
+#endif
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ const CharT* pb = 0; //nullptr;
+ const CharT* pe = pb;
+ std::basic_string<CharT> fmt = get_time_fmt<CharT> (os);
+ pb = fmt.data();
+ pe = pb + fmt.size();
+
+ timezone tz = get_timezone(os);
+ std::locale loc = os.getloc();
+ time_t t = system_clock::to_time_t(tp);
+ std::tm tm;
+ if (tz == timezone::local)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+#if defined BOOST_WINDOWS && ! defined(__CYGWIN__)
+ std::tm *tmp = 0;
+ if ((tmp=localtime(&t)) == 0)
+ failed = true;
+ tm =*tmp;
+#else
+ if (localtime_r(&t, &tm) == 0) failed = true;
+#endif
+ }
+ else
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+#if defined BOOST_WINDOWS && ! defined(__CYGWIN__)
+ std::tm *tmp = 0;
+ if((tmp = gmtime(&t)) == 0)
+ failed = true;
+ tm = *tmp;
+#else
+ if (gmtime_r(&t, &tm) == 0) failed = true;
+#endif
+
+ }
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ if (!failed)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ const std::time_put<CharT>& tpf = std::use_facet<std::time_put<CharT> >(loc);
+ if (pb == pe)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ CharT pattern[] =
+ { '%', 'Y', '-', '%', 'm', '-', '%', 'd', ' ', '%', 'H', ':', '%', 'M', ':' };
+ pb = pattern;
+ pe = pb + sizeof (pattern) / sizeof(CharT);
+ failed = tpf.put(os, os, os.fill(), &tm, pb, pe).failed();
+ if (!failed)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ duration<double> d = tp - system_clock::from_time_t(t) + seconds(tm.tm_sec);
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ if (d.count() < 10) os << CharT('0');
+ //if (! os.good()) {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ // throw "exception";
+ //}
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ std::ios::fmtflags flgs = os.flags();
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ os.setf(std::ios::fixed, std::ios::floatfield);
+ //if (! os.good()) {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ //throw "exception";
+ //}
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< " " << d.count() << std::endl;
+ os << d.count();
+ //if (! os.good()) {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ //throw "exception";
+ //}
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< " " << d.count() << std::endl;
+ os.flags(flgs);
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ if (tz == timezone::local)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ CharT sub_pattern[] =
+ { ' ', '%', 'z' };
+ pb = sub_pattern;
+ pe = pb + +sizeof (sub_pattern) / sizeof(CharT);
+ failed = tpf.put(os, os, os.fill(), &tm, pb, pe).failed();
+ }
+ else
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ CharT sub_pattern[] =
+ { ' ', '+', '0', '0', '0', '0', 0 };
+ os << sub_pattern;
+ }
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ }
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ }
+ else
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ failed = tpf.put(os, os, os.fill(), &tm, pb, pe).failed();
+ }
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ failed = true;
+ }
+#endif
+ if (failed)
+ {
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ os.setstate(std::ios_base::failbit | std::ios_base::badbit);
+ }
+ }
+ //std::cerr << __FILE__ << "[" << __LINE__ << "]"<< std::endl;
+ return os;
+ }
+
+ namespace detail
+ {
+
+ template <class CharT, class InputIterator>
+ minutes extract_z(InputIterator& b, InputIterator e, std::ios_base::iostate& err, const std::ctype<CharT>& ct)
+ {
+ int min = 0;
+ if (b != e)
+ {
+ char cn = ct.narrow(*b, 0);
+ if (cn != '+' && cn != '-')
+ {
+ err |= std::ios_base::failbit;
+ return minutes(0);
+ }
+ int sn = cn == '-' ? -1 : 1;
+ int hr = 0;
+ for (int i = 0; i < 2; ++i)
+ {
+ if (++b == e)
+ {
+ err |= std::ios_base::eofbit | std::ios_base::failbit;
+ return minutes(0);
+ }
+ cn = ct.narrow(*b, 0);
+ if (! ('0' <= cn && cn <= '9'))
+ {
+ err |= std::ios_base::failbit;
+ return minutes(0);
+ }
+ hr = hr * 10 + cn - '0';
+ }
+ for (int i = 0; i < 2; ++i)
+ {
+ if (++b == e)
+ {
+ err |= std::ios_base::eofbit | std::ios_base::failbit;
+ return minutes(0);
+ }
+ cn = ct.narrow(*b, 0);
+ if (! ('0' <= cn && cn <= '9'))
+ {
+ err |= std::ios_base::failbit;
+ return minutes(0);
+ }
+ min = min * 10 + cn - '0';
+ }
+ if (++b == e) err |= std::ios_base::eofbit;
+ min += hr * 60;
+ min *= sn;
+ }
+ else
+ err |= std::ios_base::eofbit | std::ios_base::failbit;
+ return minutes(min);
+ }
+
+ } // detail
+
+ template <class CharT, class Traits, class Duration>
+ std::basic_istream<CharT, Traits>&
+ operator>>(std::basic_istream<CharT, Traits>& is, time_point<system_clock, Duration>& tp)
+ {
+ typename std::basic_istream<CharT, Traits>::sentry ok(is);
+ if (ok)
+ {
+ std::ios_base::iostate err = std::ios_base::goodbit;
+#ifndef BOOST_NO_EXCEPTIONS
+ try
+#endif
+ {
+ const CharT* pb = 0; //nullptr;
+ const CharT* pe = pb;
+ std::basic_string<CharT> fmt = get_time_fmt<CharT> (is);
+ pb = fmt.data();
+ pe = pb + fmt.size();
+
+ timezone tz = get_timezone(is);
+ std::locale loc = is.getloc();
+ const std::time_get<CharT>& tg = std::use_facet<std::time_get<CharT> >(loc);
+ const std::ctype<CharT>& ct = std::use_facet<std::ctype<CharT> >(loc);
+ tm tm; // {0}
+ typedef std::istreambuf_iterator<CharT, Traits> It;
+ if (pb == pe)
+ {
+ CharT pattern[] =
+ { '%', 'Y', '-', '%', 'm', '-', '%', 'd', ' ', '%', 'H', ':', '%', 'M', ':' };
+ pb = pattern;
+ pe = pb + sizeof (pattern) / sizeof(CharT);
+ tg.get(is, 0, is, err, &tm, pb, pe);
+ if (err & std::ios_base::failbit) goto exit;
+ double sec;
+ CharT c = CharT();
+ is >> sec;
+ if (is.fail())
+ {
+ err |= std::ios_base::failbit;
+ goto exit;
+ }
+ It i(is);
+ It eof;
+ c = *i;
+ if (++i == eof || c != ' ')
+ {
+ err |= std::ios_base::failbit;
+ goto exit;
+ }
+ minutes min = detail::extract_z(i, eof, err, ct);
+ if (err & std::ios_base::failbit) goto exit;
+ time_t t;
+#if defined BOOST_WINDOWS && ! defined(__CYGWIN__)
+ t = detail::internal_timegm(&tm);
+#else
+ t = timegm(&tm);
+#endif
+ tp = system_clock::from_time_t(t) - min + round<microseconds> (duration<double> (sec));
+ }
+ else
+ {
+ const CharT z[2] =
+ { '%', 'z' };
+ const CharT* fz = std::search(pb, pe, z, z + 2);
+ tg.get(is, 0, is, err, &tm, pb, fz);
+ minutes minu(0);
+ if (fz != pe)
+ {
+ if (err != std::ios_base::goodbit)
+ {
+ err |= std::ios_base::failbit;
+ goto exit;
+ }
+ It i(is);
+ It eof;
+ minu = extract_z(i, eof, err, ct);
+ if (err & std::ios_base::failbit) goto exit;
+ if (fz + 2 != pe)
+ {
+ if (err != std::ios_base::goodbit)
+ {
+ err |= std::ios_base::failbit;
+ goto exit;
+ }
+ tg.get(is, 0, is, err, &tm, fz + 2, pe);
+ if (err & std::ios_base::failbit) goto exit;
+ }
+ }
+ tm.tm_isdst = -1;
+ time_t t;
+ if (tz == timezone::utc || fz != pe)
+#if defined BOOST_WINDOWS && ! defined(__CYGWIN__)
+ t = detail::internal_timegm(&tm);
+#else
+ t = timegm(&tm);
+#endif
+ else
+ t = mktime(&tm);
+ tp = system_clock::from_time_t(t) - minu;
+ }
+ }
+#ifndef BOOST_NO_EXCEPTIONS
+ catch (...) // BOOST_NO_EXCEPTIONS protected
+ {
+ err |= std::ios_base::badbit | std::ios_base::failbit;
+ }
+#endif
+ exit: is.setstate(err);
+ }
+ return is;
+ }
+#endif //UTC
+ } // chrono
+
+}
+
+#endif // header


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