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Diffstat (limited to '3rdParty/Boost/src/boost/date_time/local_time/local_time_io.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/date_time/local_time/local_time_io.hpp | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/date_time/local_time/local_time_io.hpp b/3rdParty/Boost/src/boost/date_time/local_time/local_time_io.hpp new file mode 100644 index 0000000..c161ff7 --- /dev/null +++ b/3rdParty/Boost/src/boost/date_time/local_time/local_time_io.hpp @@ -0,0 +1,186 @@ +#ifndef BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__ +#define BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__ + +/* Copyright (c) 2003-2004 CrystalClear Software, Inc. + * Subject to the Boost Software License, Version 1.0. + * (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) + * Author: Jeff Garland, Bart Garst + * $Date: 2008-11-13 14:05:31 -0500 (Thu, 13 Nov 2008) $ + */ + +#include <locale> +#include <iostream> +#include <iterator> // i/ostreambuf_iterator +#include <boost/io/ios_state.hpp> +#include <boost/date_time/time_facet.hpp> +#include <boost/date_time/string_convert.hpp> +#include <boost/date_time/local_time/local_date_time.hpp> +#include <boost/date_time/local_time/posix_time_zone.hpp> +#include <boost/date_time/local_time/conversion.hpp> // to_tm will be needed in the facets + +namespace boost { +namespace local_time { + + typedef boost::date_time::time_facet<local_date_time, wchar_t> wlocal_time_facet; + typedef boost::date_time::time_facet<local_date_time, char> local_time_facet; + + typedef boost::date_time::time_input_facet<local_date_time::utc_time_type,wchar_t> wlocal_time_input_facet; + typedef boost::date_time::time_input_facet<local_date_time::utc_time_type,char> local_time_input_facet; + + //! operator<< for local_date_time - see local_time docs for formatting details + template<class CharT, class TraitsT> + inline + std::basic_ostream<CharT, TraitsT>& + operator<<(std::basic_ostream<CharT, TraitsT>& os, const local_date_time& ldt) + { + boost::io::ios_flags_saver iflags(os); + typedef local_date_time time_type;//::utc_time_type typename + typedef date_time::time_facet<time_type, CharT> custom_time_facet; + typedef std::time_put<CharT> std_time_facet; + std::ostreambuf_iterator<CharT> oitr(os); + + if(std::has_facet<custom_time_facet>(os.getloc())) { + std::use_facet<custom_time_facet>(os.getloc()).put(oitr, + os, + os.fill(), + ldt); + } + else { + custom_time_facet* f = new custom_time_facet(); + std::locale l = std::locale(os.getloc(), f); + os.imbue(l); + f->put(oitr, os, os.fill(), ldt); + } + + return os; + } + + + //! input operator for local_date_time + template <class CharT, class Traits> + inline + std::basic_istream<CharT, Traits>& + operator>>(std::basic_istream<CharT, Traits>& is, local_date_time& ldt) + { + boost::io::ios_flags_saver iflags(is); + typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false); + if (strm_sentry) { + try { + typedef typename local_date_time::utc_time_type utc_time_type; + typedef typename date_time::time_input_facet<utc_time_type, CharT> time_input_facet; + + // intermediate objects + std::basic_string<CharT> tz_str; + utc_time_type pt(not_a_date_time); + + std::istreambuf_iterator<CharT,Traits> sit(is), str_end; + if(std::has_facet<time_input_facet>(is.getloc())) { + std::use_facet<time_input_facet>(is.getloc()).get_local_time(sit, str_end, is, pt, tz_str); + } + else { + time_input_facet* f = new time_input_facet(); + std::locale l = std::locale(is.getloc(), f); + is.imbue(l); + f->get_local_time(sit, str_end, is, pt, tz_str); + } + if(tz_str.empty()) { + time_zone_ptr null_ptr; + // a null time_zone_ptr creates a local_date_time that is UTC + ldt = local_date_time(pt, null_ptr); + } + else { + time_zone_ptr tz_ptr(new posix_time_zone(date_time::convert_string_type<CharT,char>(tz_str))); + // the "date & time" constructor expects the time label to *not* be utc. + // a posix_tz_string also expects the time label to *not* be utc. + ldt = local_date_time(pt.date(), pt.time_of_day(), tz_ptr, local_date_time::EXCEPTION_ON_ERROR); + } + } + catch(...) { + // mask tells us what exceptions are turned on + std::ios_base::iostate exception_mask = is.exceptions(); + // if the user wants exceptions on failbit, we'll rethrow our + // date_time exception & set the failbit + if(std::ios_base::failbit & exception_mask) { + try { is.setstate(std::ios_base::failbit); } + catch(std::ios_base::failure&) {} // ignore this one + throw; // rethrow original exception + } + else { + // if the user want's to fail quietly, we simply set the failbit + is.setstate(std::ios_base::failbit); + } + + } + } + return is; + } + + //! output operator for local_time_period + template <class CharT, class TraitsT> + inline + std::basic_ostream<CharT, TraitsT>& + operator<<(std::basic_ostream<CharT, TraitsT>& os, + const boost::local_time::local_time_period& p) { + boost::io::ios_flags_saver iflags(os); + typedef boost::date_time::time_facet<local_date_time, CharT> custom_facet; + typedef std::time_put<CharT> std_time_facet; + std::ostreambuf_iterator<CharT> oitr(os); + if (std::has_facet<custom_facet>(os.getloc())) { + std::use_facet<custom_facet>(os.getloc()).put(oitr, os, os.fill(), p); + } + else { + //instantiate a custom facet for dealing with periods since the user + //has not put one in the stream so far. This is for efficiency + //since we would always need to reconstruct for every time period + //if the local did not already exist. Of course this will be overridden + //if the user imbues as some later point. + custom_facet* f = new custom_facet(); + std::locale l = std::locale(os.getloc(), f); + os.imbue(l); + f->put(oitr, os, os.fill(), p); + } + return os; + } + + //! input operator for local_time_period + template <class CharT, class Traits> + inline + std::basic_istream<CharT, Traits>& + operator>>(std::basic_istream<CharT, Traits>& is, boost::local_time::local_time_period& tp) + { + boost::io::ios_flags_saver iflags(is); + typename std::basic_istream<CharT, Traits>::sentry strm_sentry(is, false); + if (strm_sentry) { + try { + typedef typename date_time::time_input_facet<local_date_time, CharT> time_input_facet; + + std::istreambuf_iterator<CharT,Traits> sit(is), str_end; + if(std::has_facet<time_input_facet>(is.getloc())) { + std::use_facet<time_input_facet>(is.getloc()).get(sit, str_end, is, tp); + } + else { + time_input_facet* f = new time_input_facet(); + std::locale l = std::locale(is.getloc(), f); + is.imbue(l); + f->get(sit, str_end, is, tp); + } + } + catch(...) { + std::ios_base::iostate exception_mask = is.exceptions(); + if(std::ios_base::failbit & exception_mask) { + try { is.setstate(std::ios_base::failbit); } + catch(std::ios_base::failure&) {} + throw; // rethrow original exception + } + else { + is.setstate(std::ios_base::failbit); + } + + } + } + return is; + } + +} } // namespaces + +#endif // BOOST_DATE_TIME_LOCAL_TIME_IO_HPP__ |