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date_formatting_locales.hpp - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\date_time\date_formatting_locales.hpp
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#ifndef DATE_TIME_DATE_FORMATTING_LOCALES_HPP___ #define DATE_TIME_DATE_FORMATTING_LOCALES_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: 2008-02-27 15:00:24 -0500 (Wed, 27 Feb 2008) $ */ #include "boost/date_time/locale_config.hpp" // set BOOST_DATE_TIME_NO_LOCALE #ifndef BOOST_DATE_TIME_NO_LOCALE #include "boost/date_time/iso_format.hpp" #include "boost/date_time/date_names_put.hpp" #include "boost/date_time/parse_format_base.hpp" //#include
#include
#include
namespace boost { namespace date_time { //! Formats a month as as string into an ostream template
class ostream_month_formatter { public: typedef typename facet_type::month_type month_type; typedef std::basic_ostream
ostream_type; //! Formats a month as as string into an output iterator static void format_month(const month_type& month, ostream_type& os, const facet_type& f) { switch (f.month_format()) { case month_as_short_string: { std::ostreambuf_iterator
oitr(os); f.put_month_short(oitr, month.as_enum()); break; } case month_as_long_string: { std::ostreambuf_iterator
oitr(os); f.put_month_long(oitr, month.as_enum()); break; } case month_as_integer: { charT fill_char = '0'; os << std::setw(2) << std::setfill(fill_char) << month.as_number(); break; } } } // format_month }; //! Formats a weekday template
class ostream_weekday_formatter { public: typedef typename facet_type::month_type month_type; typedef std::basic_ostream
ostream_type; //! Formats a month as as string into an output iterator static void format_weekday(const weekday_type& wd, ostream_type& os, const facet_type& f, bool as_long_string) { std::ostreambuf_iterator
oitr(os); if (as_long_string) { f.put_weekday_long(oitr, wd.as_enum()); } else { f.put_weekday_short(oitr, wd.as_enum()); } } // format_weekday }; //! Convert ymd to a standard string formatting policies template
class ostream_ymd_formatter { public: typedef typename ymd_type::month_type month_type; typedef ostream_month_formatter
month_formatter_type; typedef std::basic_ostream
ostream_type; typedef std::basic_string
foo_type; //! Convert ymd to a standard string formatting policies /*! This is standard code for handling date formatting with * year-month-day based date information. This function * uses the format_type to control whether the string will * contain separator characters, and if so what the character * will be. In addtion, it can format the month as either * an integer or a string as controled by the formatting * policy */ // static string_type ymd_to_string(ymd_type ymd) // { // std::ostringstream ss; // facet_type dnp; // ymd_put(ymd, ss, dnp); // return ss.str(); // } // Put ymd to ostream -- part of ostream refactor static void ymd_put(ymd_type ymd, ostream_type& os, const facet_type& f) { std::ostreambuf_iterator
oitr(os); charT fill_char = '0'; switch (f.date_order()) { case ymd_order_iso: { os << ymd.year; if (f.has_date_sep_chars()) { f.month_sep_char(oitr); } month_formatter_type::format_month(ymd.month, os, f); if (f.has_date_sep_chars()) { f.day_sep_char(oitr); } os << std::setw(2) << std::setfill(fill_char) << ymd.day; break; } case ymd_order_us: { month_formatter_type::format_month(ymd.month, os, f); if (f.has_date_sep_chars()) { f.day_sep_char(oitr); } os << std::setw(2) << std::setfill(fill_char) << ymd.day; if (f.has_date_sep_chars()) { f.month_sep_char(oitr); } os << ymd.year; break; } case ymd_order_dmy: { os << std::setw(2) << std::setfill(fill_char) << ymd.day; if (f.has_date_sep_chars()) { f.day_sep_char(oitr); } month_formatter_type::format_month(ymd.month, os, f); if (f.has_date_sep_chars()) { f.month_sep_char(oitr); } os << ymd.year; break; } } } }; //! Convert a date to string using format policies template
class ostream_date_formatter { public: typedef std::basic_ostream
ostream_type; typedef typename date_type::ymd_type ymd_type; //! Put date into an ostream static void date_put(const date_type& d, ostream_type& os, const facet_type& f) { special_values sv = d.as_special(); if (sv == not_special) { ymd_type ymd = d.year_month_day(); ostream_ymd_formatter
::ymd_put(ymd, os, f); } else { // output a special value std::ostreambuf_iterator
coi(os); f.put_special_value(coi, sv); } } //! Put date into an ostream static void date_put(const date_type& d, ostream_type& os) { //retrieve the local from the ostream std::locale locale = os.getloc(); if (std::has_facet
(locale)) { const facet_type& f = std::use_facet
(locale); date_put(d, os, f); } else { //default to something sensible if no facet installed facet_type default_facet; date_put(d, os, default_facet); } } // date_to_ostream }; //class date_formatter } } //namespace date_time #endif #endif
date_formatting_locales.hpp
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