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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/gregorian/conversion.hpp | |
download | swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
Import.
Diffstat (limited to '3rdParty/Boost/boost/date_time/gregorian/conversion.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/date_time/gregorian/conversion.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/date_time/gregorian/conversion.hpp b/3rdParty/Boost/boost/date_time/gregorian/conversion.hpp new file mode 100644 index 0000000..4428c05 --- /dev/null +++ b/3rdParty/Boost/boost/date_time/gregorian/conversion.hpp @@ -0,0 +1,76 @@ +#ifndef _GREGORIAN__CONVERSION_HPP___ +#define _GREGORIAN__CONVERSION_HPP___ + +/* Copyright (c) 2004-2005 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 <string> +#include <stdexcept> +#include <boost/throw_exception.hpp> +#include <boost/date_time/gregorian/gregorian_types.hpp> +#include <boost/date_time/c_time.hpp> +#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO) +# if defined(BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS) +# include <boost/date_time/gregorian/formatters_limited.hpp> +# else +# include <boost/date_time/gregorian/formatters.hpp> +# endif // BOOST_DATE_TIME_INCLUDE_LIMITED_HEADERS +#else +# include <sstream> +# include <boost/date_time/gregorian/gregorian_io.hpp> +#endif // USE_DATE_TIME_PRE_1_33_FACET_IO + +namespace boost { + +namespace gregorian { + + + //! Converts a date to a tm struct. Throws out_of_range exception if date is a special value + inline + std::tm to_tm(const date& d) + { + if(d.is_pos_infinity() || d.is_neg_infinity() || d.is_not_a_date()){ + std::string s = "tm unable to handle date value of "; +#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO) + s += to_simple_string(d); +#else + std::ostringstream ss; + ss << d; + s += ss.str(); +#endif // USE_DATE_TIME_PRE_1_33_FACET_IO + boost::throw_exception(std::out_of_range(s)); + } + std::tm datetm; + boost::gregorian::date::ymd_type ymd = d.year_month_day(); + datetm.tm_year = ymd.year-1900; + datetm.tm_mon = ymd.month-1; + datetm.tm_mday = ymd.day; + datetm.tm_wday = d.day_of_week(); + datetm.tm_yday = d.day_of_year()-1; + datetm.tm_hour = datetm.tm_min = datetm.tm_sec = 0; + datetm.tm_isdst = -1; // negative because not enough info to set tm_isdst + return datetm; + } + + //! Converts a tm structure into a date dropping the any time values. + inline + date date_from_tm(const std::tm& datetm) + { + return date(static_cast<unsigned short>(datetm.tm_year+1900), + static_cast<unsigned short>(datetm.tm_mon+1), + static_cast<unsigned short>(datetm.tm_mday)); + } + + +} } //namespace boost::gregorian + + + + +#endif + |