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| author | Remko Tronçon <git@el-tramo.be> | 2009-06-01 08:48:42 (GMT) |
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| committer | Remko Tronçon <git@el-tramo.be> | 2009-06-01 09:24:28 (GMT) |
| commit | 2812bddd81f8a1b804c7460f4e14cd0aa393d129 (patch) | |
| tree | d46294f35150c4f0f43deaf2d31fceaf945ae715 /3rdParty/Boost/boost/date_time/posix_time/conversion.hpp | |
| download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 | |
Import.
Diffstat (limited to '3rdParty/Boost/boost/date_time/posix_time/conversion.hpp')
| -rw-r--r-- | 3rdParty/Boost/boost/date_time/posix_time/conversion.hpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/date_time/posix_time/conversion.hpp b/3rdParty/Boost/boost/date_time/posix_time/conversion.hpp new file mode 100644 index 0000000..82f8dca --- /dev/null +++ b/3rdParty/Boost/boost/date_time/posix_time/conversion.hpp @@ -0,0 +1,97 @@ +#ifndef POSIX_TIME_CONVERSION_HPP___ +#define POSIX_TIME_CONVERSION_HPP___ + +/* Copyright (c) 2002-2005 CrystalClear Software, Inc. + * Use, modification and distribution is 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: 2008-11-12 14:37:53 -0500 (Wed, 12 Nov 2008) $ + */ + +#include "boost/date_time/posix_time/ptime.hpp" +#include "boost/date_time/posix_time/posix_time_duration.hpp" +#include "boost/date_time/filetime_functions.hpp" +#include "boost/date_time/c_time.hpp" +#include "boost/date_time/gregorian/conversion.hpp" + +namespace boost { + +namespace posix_time { + + + //! Function that converts a time_t into a ptime. + inline + ptime from_time_t(std::time_t t) + { + ptime start(gregorian::date(1970,1,1)); + return start + seconds(static_cast<long>(t)); + } + + //! Convert a time to a tm structure truncating any fractional seconds + inline + std::tm to_tm(const boost::posix_time::ptime& t) { + std::tm timetm = boost::gregorian::to_tm(t.date()); + boost::posix_time::time_duration td = t.time_of_day(); + timetm.tm_hour = td.hours(); + timetm.tm_min = td.minutes(); + timetm.tm_sec = td.seconds(); + timetm.tm_isdst = -1; // -1 used when dst info is unknown + return timetm; + } + //! Convert a time_duration to a tm structure truncating any fractional seconds and zeroing fields for date components + inline + std::tm to_tm(const boost::posix_time::time_duration& td) { + std::tm timetm; + timetm.tm_year = 0; + timetm.tm_mon = 0; + timetm.tm_mday = 0; + timetm.tm_wday = 0; + timetm.tm_yday = 0; + + timetm.tm_hour = date_time::absolute_value(td.hours()); + timetm.tm_min = date_time::absolute_value(td.minutes()); + timetm.tm_sec = date_time::absolute_value(td.seconds()); + timetm.tm_isdst = -1; // -1 used when dst info is unknown + return timetm; + } + + //! Convert a tm struct to a ptime ignoring is_dst flag + inline + ptime ptime_from_tm(const std::tm& timetm) { + boost::gregorian::date d = boost::gregorian::date_from_tm(timetm); + return ptime(d, time_duration(timetm.tm_hour, timetm.tm_min, timetm.tm_sec)); + } + + +#if defined(BOOST_HAS_FTIME) + + //! Function to create a time object from an initialized FILETIME struct. + /*! Function to create a time object from an initialized FILETIME struct. + * A FILETIME struct holds 100-nanosecond units (0.0000001). When + * built with microsecond resolution the FILETIME's sub second value + * will be truncated. Nanosecond resolution has no truncation. + * + * \note FILETIME is part of the Win32 API, so it is not portable to non-windows + * platforms. + * + * \note The function is templated on the FILETIME type, so that + * it can be used with both native FILETIME and the ad-hoc + * boost::date_time::winapi::file_time type. + */ + template< typename TimeT, typename FileTimeT > + inline + TimeT from_ftime(const FileTimeT& ft) + { + return boost::date_time::time_from_ftime<TimeT>(ft); + } + +#endif // BOOST_HAS_FTIME + +} } //namespace boost::posix_time + + + + +#endif + |