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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/greg_facet.hpp | |
download | swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.zip swift-contrib-2812bddd81f8a1b804c7460f4e14cd0aa393d129.tar.bz2 |
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Diffstat (limited to '3rdParty/Boost/boost/date_time/gregorian/greg_facet.hpp')
-rw-r--r-- | 3rdParty/Boost/boost/date_time/gregorian/greg_facet.hpp | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/3rdParty/Boost/boost/date_time/gregorian/greg_facet.hpp b/3rdParty/Boost/boost/date_time/gregorian/greg_facet.hpp new file mode 100644 index 0000000..9c3877e --- /dev/null +++ b/3rdParty/Boost/boost/date_time/gregorian/greg_facet.hpp @@ -0,0 +1,354 @@ +#ifndef GREGORIAN_FACET_HPP___ +#define GREGORIAN_FACET_HPP___ + +/* Copyright (c) 2002,2003 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: 2008-11-23 06:13:35 -0500 (Sun, 23 Nov 2008) $ + */ + +#include "boost/date_time/gregorian/gregorian_types.hpp" +#include "boost/date_time/date_formatting_locales.hpp" // sets BOOST_DATE_TIME_NO_LOCALE +#include "boost/date_time/gregorian/parsers.hpp" + +//This file is basically commented out if locales are not supported +#ifndef BOOST_DATE_TIME_NO_LOCALE + +#include <string> +#include <memory> +#include <locale> +#include <iostream> +#include <exception> + +namespace boost { +namespace gregorian { + + //! Configuration of the output facet template + struct greg_facet_config + { + typedef boost::gregorian::greg_month month_type; + typedef boost::date_time::special_values special_value_enum; + typedef boost::gregorian::months_of_year month_enum; + typedef boost::date_time::weekdays weekday_enum; + }; + +#if defined(USE_DATE_TIME_PRE_1_33_FACET_IO) + //! Create the base facet type for gregorian::date + typedef boost::date_time::date_names_put<greg_facet_config> greg_base_facet; + + //! ostream operator for gregorian::date + /*! Uses the date facet to determine various output parameters including: + * - string values for the month (eg: Jan, Feb, Mar) (default: English) + * - string values for special values (eg: not-a-date-time) (default: English) + * - selection of long, short strings, or numerical month representation (default: short string) + * - month day year order (default yyyy-mmm-dd) + */ + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const date& d) + { + typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def; + typedef boost::date_time::ostream_date_formatter<date, facet_def, charT> greg_ostream_formatter; + greg_ostream_formatter::date_put(d, os); + return os; + } + + //! operator<< for gregorian::greg_month typically streaming: Jan, Feb, Mar... + /*! Uses the date facet to determine output string as well as selection of long or short strings. + * Default if no facet is installed is to output a 2 wide numeric value for the month + * eg: 01 == Jan, 02 == Feb, ... 12 == Dec. + */ + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const greg_month& m) + { + typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def; + typedef boost::date_time::ostream_month_formatter<facet_def, charT> greg_month_formatter; + std::locale locale = os.getloc(); + if (std::has_facet<facet_def>(locale)) { + const facet_def& f = std::use_facet<facet_def>(locale); + greg_month_formatter::format_month(m, os, f); + + } + else { //default to numeric + charT fill_char = '0'; + os << std::setw(2) << std::setfill(fill_char) << m.as_number(); + } + + return os; + } + + //! operator<< for gregorian::greg_weekday typically streaming: Sun, Mon, Tue, ... + /*! Uses the date facet to determine output string as well as selection of long or short string. + * Default if no facet is installed is to output a 3 char english string for the + * day of the week. + */ + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const greg_weekday& wd) + { + typedef boost::date_time::date_names_put<greg_facet_config, charT> facet_def; + typedef boost::date_time::ostream_weekday_formatter<greg_weekday, facet_def, charT> greg_weekday_formatter; + std::locale locale = os.getloc(); + if (std::has_facet<facet_def>(locale)) { + const facet_def& f = std::use_facet<facet_def>(locale); + greg_weekday_formatter::format_weekday(wd.as_enum(), os, f, true); + } + else { //default to short English string eg: Sun, Mon, Tue, Wed... + os << wd.as_short_string(); + } + + return os; + } + + //! operator<< for gregorian::date_period typical output: [2002-Jan-01/2002-Jan-31] + /*! Uses the date facet to determine output string as well as selection of long + * or short string fr dates. + * Default if no facet is installed is to output a 3 char english string for the + * day of the week. + */ + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const date_period& dp) + { + os << '['; //TODO: facet or manipulator for periods? + os << dp.begin(); + os << '/'; //TODO: facet or manipulator for periods? + os << dp.last(); + os << ']'; + return os; + } + + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const date_duration& dd) + { + //os << dd.days(); + os << dd.get_rep(); + return os; + } + + //! operator<< for gregorian::partial_date. Output: "Jan 1" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, const partial_date& pd) + { + os << std::setw(2) << std::setfill('0') << pd.day() << ' ' + << pd.month().as_short_string() ; + return os; + } + + //! operator<< for gregorian::nth_kday_of_month. Output: "first Mon of Jun" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, + const nth_kday_of_month& nkd) + { + os << nkd.nth_week_as_str() << ' ' + << nkd.day_of_week() << " of " + << nkd.month().as_short_string() ; + return os; + } + + //! operator<< for gregorian::first_kday_of_month. Output: "first Mon of Jun" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, + const first_kday_of_month& fkd) + { + os << "first " << fkd.day_of_week() << " of " + << fkd.month().as_short_string() ; + return os; + } + + //! operator<< for gregorian::last_kday_of_month. Output: "last Mon of Jun" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, + const last_kday_of_month& lkd) + { + os << "last " << lkd.day_of_week() << " of " + << lkd.month().as_short_string() ; + return os; + } + + //! operator<< for gregorian::first_kday_after. Output: "first Mon after" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, + const first_kday_after& fka) + { + os << fka.day_of_week() << " after"; + return os; + } + + //! operator<< for gregorian::first_kday_before. Output: "first Mon before" + template <class charT, class traits> + inline + std::basic_ostream<charT, traits>& + operator<<(std::basic_ostream<charT, traits>& os, + const first_kday_before& fkb) + { + os << fkb.day_of_week() << " before"; + return os; + } +#endif // USE_DATE_TIME_PRE_1_33_FACET_IO + /**************** Input Streaming ******************/ + +#if !defined(BOOST_NO_STD_ITERATOR_TRAITS) + //! operator>> for gregorian::date + template<class charT> + inline + std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, date& d) + { + std::istream_iterator<std::basic_string<charT>, charT> beg(is), eos; + + typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def; + d = from_stream(beg, eos); + return is; + } +#endif // BOOST_NO_STD_ITERATOR_TRAITS + + //! operator>> for gregorian::date_duration + template<class charT> + inline + std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, + date_duration& dd) + { + long v; + is >> v; + dd = date_duration(v); + return is; + } + + //! operator>> for gregorian::date_period + template<class charT> + inline + std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is, + date_period& dp) + { + std::basic_string<charT> s; + is >> s; + dp = date_time::from_simple_string_type<date>(s); + return is; + } + + //! generates a locale with the set of gregorian name-strings of type char* + BOOST_DATE_TIME_DECL std::locale generate_locale(std::locale& loc, char type); + + //! Returns a pointer to a facet with a default set of names (English) + /* Necessary in the event an exception is thrown from op>> for + * weekday or month. See comments in those functions for more info */ + BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put<greg_facet_config, char>* create_facet_def(char type); + +#ifndef BOOST_NO_STD_WSTRING + //! generates a locale with the set of gregorian name-strings of type wchar_t* + BOOST_DATE_TIME_DECL std::locale generate_locale(std::locale& loc, wchar_t type); + //! Returns a pointer to a facet with a default set of names (English) + /* Necessary in the event an exception is thrown from op>> for + * weekday or month. See comments in those functions for more info */ + BOOST_DATE_TIME_DECL boost::date_time::all_date_names_put<greg_facet_config, wchar_t>* create_facet_def(wchar_t type); +#endif // BOOST_NO_STD_WSTRING + + //! operator>> for gregorian::greg_month - throws exception if invalid month given + template<class charT> + inline + std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is,greg_month& m) + { + typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def; + + std::basic_string<charT> s; + is >> s; + + if(!std::has_facet<facet_def>(is.getloc())) { + std::locale loc = is.getloc(); + charT a = '\0'; + is.imbue(generate_locale(loc, a)); + } + + short num = 0; + + try{ + const facet_def& f = std::use_facet<facet_def>(is.getloc()); + num = date_time::find_match(f.get_short_month_names(), + f.get_long_month_names(), + (greg_month::max)(), s); // greg_month spans 1..12, so max returns the array size, + // which is needed by find_match + } + /* bad_cast will be thrown if the desired facet is not accessible + * so we can generate the facet. This has the drawback of using english + * names as a default. */ + catch(std::bad_cast&){ + charT a = '\0'; + std::auto_ptr< const facet_def > f(create_facet_def(a)); + num = date_time::find_match(f->get_short_month_names(), + f->get_long_month_names(), + (greg_month::max)(), s); // greg_month spans 1..12, so max returns the array size, + // which is needed by find_match + } + + ++num; // months numbered 1-12 + m = greg_month(num); + + return is; + } + + //! operator>> for gregorian::greg_weekday - throws exception if invalid weekday given + template<class charT> + inline + std::basic_istream<charT>& operator>>(std::basic_istream<charT>& is,greg_weekday& wd) + { + typedef boost::date_time::all_date_names_put<greg_facet_config, charT> facet_def; + + std::basic_string<charT> s; + is >> s; + + if(!std::has_facet<facet_def>(is.getloc())) { + std::locale loc = is.getloc(); + charT a = '\0'; + is.imbue(generate_locale(loc, a)); + } + + short num = 0; + try{ + const facet_def& f = std::use_facet<facet_def>(is.getloc()); + num = date_time::find_match(f.get_short_weekday_names(), + f.get_long_weekday_names(), + (greg_weekday::max)() + 1, s); // greg_weekday spans 0..6, so increment is needed + // to form the array size which is needed by find_match + } + /* bad_cast will be thrown if the desired facet is not accessible + * so we can generate the facet. This has the drawback of using english + * names as a default. */ + catch(std::bad_cast&){ + charT a = '\0'; + std::auto_ptr< const facet_def > f(create_facet_def(a)); + num = date_time::find_match(f->get_short_weekday_names(), + f->get_long_weekday_names(), + (greg_weekday::max)() + 1, s); // greg_weekday spans 0..6, so increment is needed + // to form the array size which is needed by find_match + } + + wd = greg_weekday(num); // weekdays numbered 0-6 + return is; + } + +} } //namespace gregorian + +#endif + + +#endif + |