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iso_format.hpp - Hosted on DriveHQ Cloud IT Platform
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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\date_time\iso_format.hpp
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#ifndef ISO_FORMAT_HPP___ #define ISO_FORMAT_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/parse_format_base.hpp" namespace boost { namespace date_time { //! Class to provide common iso formatting spec template
class iso_format_base { public: //! Describe month format -- its an integer in iso format static month_format_spec month_format() { return month_as_integer; } //! String used printed is date is invalid static const charT* not_a_date() { return "not-a-date-time"; } //! String used to for positive infinity value static const charT* pos_infinity() { return "+infinity"; } //! String used to for positive infinity value static const charT* neg_infinity() { return "-infinity"; } //! ISO char for a year -- used in durations static charT year_sep_char() { return 'Y'; } //! ISO char for a month static charT month_sep_char() { return '-'; } //! ISO char for a day static charT day_sep_char() { return '-'; } //! char for minute static charT hour_sep_char() { return ':'; } //! char for minute static charT minute_sep_char() { return ':'; } //! char for second static charT second_sep_char() { return ':'; } //! ISO char for a period static charT period_start_char() { return 'P'; } //! Used in time in mixed strings to set start of time static charT time_start_char() { return 'T'; } //! Used in mixed strings to identify start of a week number static charT week_start_char() { return 'W'; } //! Separators for periods static charT period_sep_char() { return '/'; } //! Separator for hh:mm:ss static charT time_sep_char() { return ':'; } //! Preferred Separator for hh:mm:ss,decimal_fraction static charT fractional_time_sep_char() { return ','; } static bool is_component_sep(charT sep) { switch(sep) { case 'H': case 'M': case 'S': case 'W': case 'T': case 'Y': case 'D':return true; default: return false; } } static bool is_fractional_time_sep(charT sep) { switch(sep) { case ',': case '.': return true; default: return false; } } static bool is_timezone_sep(charT sep) { switch(sep) { case '+': case '-': return true; default: return false; } } static charT element_sep_char() { return '-'; } }; #ifndef BOOST_NO_STD_WSTRING //! Class to provide common iso formatting spec template<> class iso_format_base
{ public: //! Describe month format -- its an integer in iso format static month_format_spec month_format() { return month_as_integer; } //! String used printed is date is invalid static const wchar_t* not_a_date() { return L"not-a-date-time"; } //! String used to for positive infinity value static const wchar_t* pos_infinity() { return L"+infinity"; } //! String used to for positive infinity value static const wchar_t* neg_infinity() { return L"-infinity"; } //! ISO char for a year -- used in durations static wchar_t year_sep_char() { return 'Y'; } //! ISO char for a month static wchar_t month_sep_char() { return '-'; } //! ISO char for a day static wchar_t day_sep_char() { return '-'; } //! char for minute static wchar_t hour_sep_char() { return ':'; } //! char for minute static wchar_t minute_sep_char() { return ':'; } //! char for second static wchar_t second_sep_char() { return ':'; } //! ISO char for a period static wchar_t period_start_char() { return 'P'; } //! Used in time in mixed strings to set start of time static wchar_t time_start_char() { return 'T'; } //! Used in mixed strings to identify start of a week number static wchar_t week_start_char() { return 'W'; } //! Separators for periods static wchar_t period_sep_char() { return '/'; } //! Separator for hh:mm:ss static wchar_t time_sep_char() { return ':'; } //! Preferred Separator for hh:mm:ss,decimal_fraction static wchar_t fractional_time_sep_char() { return ','; } static bool is_component_sep(wchar_t sep) { switch(sep) { case 'H': case 'M': case 'S': case 'W': case 'T': case 'Y': case 'D':return true; default: return false; } } static bool is_fractional_time_sep(wchar_t sep) { switch(sep) { case ',': case '.': return true; default: return false; } } static bool is_timezone_sep(wchar_t sep) { switch(sep) { case '+': case '-': return true; default: return false; } } static wchar_t element_sep_char() { return '-'; } }; #endif // BOOST_NO_STD_WSTRING //! Format description for iso normal YYYYMMDD template
class iso_format : public iso_format_base
{ public: //! The ios standard format doesn't use char separators static bool has_date_sep_chars() { return false; } }; //! Extended format uses seperators YYYY-MM-DD template
class iso_extended_format : public iso_format_base
{ public: //! Extended format needs char separators static bool has_date_sep_chars() { return true; } }; } } //namespace date_time #endif
iso_format.hpp
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