| 1 | #ifndef DATE_TIME_DATE_NAMES_PUT_HPP___
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| 2 | #define DATE_TIME_DATE_NAMES_PUT_HPP___
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| 3 |
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| 4 | /* Copyright (c) 2002-2005 CrystalClear Software, Inc.
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| 5 | * Use, modification and distribution is subject to the
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| 6 | * Boost Software License, Version 1.0. (See accompanying
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| 7 | * file LICENSE-1.0 or http://www.boost.org/LICENSE-1.0)
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| 8 | * Author: Jeff Garland, Bart Garst
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| 9 | * $Date: 2005/04/16 18:59:51 $
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| 10 | */
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| 11 |
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| 12 |
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| 13 | #include "boost/date_time/locale_config.hpp" // set BOOST_DATE_TIME_NO_LOCALE
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| 14 |
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| 15 | #ifndef BOOST_DATE_TIME_NO_LOCALE
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| 16 |
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| 17 | #include "boost/date_time/special_defs.hpp"
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| 18 | #include "boost/date_time/date_defs.hpp"
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| 19 | #include "boost/date_time/parse_format_base.hpp"
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| 20 | #include "boost/lexical_cast.hpp"
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| 21 | #include <locale>
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| 22 |
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| 23 |
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| 24 | namespace boost {
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| 25 | namespace date_time {
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| 26 |
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| 27 | //! Output facet base class for gregorian dates.
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| 28 | /*! This class is a base class for date facets used to localize the
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| 29 | * names of months and the names of days in the week.
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| 30 | *
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| 31 | * Requirements of Config
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| 32 | * - define an enumeration month_enum that enumerates the months.
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| 33 | * The enumeration should be '1' based eg: Jan==1
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| 34 | * - define as_short_string and as_long_string
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| 35 | *
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| 36 | * (see langer & kreft p334).
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| 37 | *
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| 38 | */
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| 39 | template<class Config,
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| 40 | class charT = char,
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| 41 | class OutputIterator = std::ostreambuf_iterator<charT> >
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| 42 | class date_names_put : public std::locale::facet
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| 43 | {
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| 44 | public:
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| 45 | date_names_put() {};
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| 46 | typedef OutputIterator iter_type;
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| 47 | typedef typename Config::month_type month_type;
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| 48 | typedef typename Config::month_enum month_enum;
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| 49 | typedef typename Config::weekday_enum weekday_enum;
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| 50 | typedef typename Config::special_value_enum special_value_enum;
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| 51 | //typedef typename Config::format_type format_type;
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| 52 | typedef std::basic_string<charT> string_type;
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| 53 | typedef charT char_type;
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| 54 | static const char_type default_special_value_names[3][17];
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| 55 | static const char_type separator[2];
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| 56 |
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| 57 | static std::locale::id id;
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| 58 |
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| 59 | #if defined (__SUNPRO_CC) && defined (_RWSTD_VER)
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| 60 | std::locale::id& __get_id (void) const { return id; }
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| 61 | #endif
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| 62 |
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| 63 | void put_special_value(iter_type& oitr, special_value_enum sv) const
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| 64 | {
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| 65 | do_put_special_value(oitr, sv);
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| 66 | }
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| 67 | void put_month_short(iter_type& oitr, month_enum moy) const
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| 68 | {
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| 69 | do_put_month_short(oitr, moy);
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| 70 | }
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| 71 | void put_month_long(iter_type& oitr, month_enum moy) const
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| 72 | {
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| 73 | do_put_month_long(oitr, moy);
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| 74 | }
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| 75 | void put_weekday_short(iter_type& oitr, weekday_enum wd) const
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| 76 | {
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| 77 | do_put_weekday_short(oitr, wd);
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| 78 | }
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| 79 | void put_weekday_long(iter_type& oitr, weekday_enum wd) const
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| 80 | {
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| 81 | do_put_weekday_long(oitr, wd);
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| 82 | }
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| 83 | bool has_date_sep_chars() const
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| 84 | {
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| 85 | return do_has_date_sep_chars();
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| 86 | }
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| 87 | void year_sep_char(iter_type& oitr) const
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| 88 | {
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| 89 | do_year_sep_char(oitr);
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| 90 | }
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| 91 | //! char between year-month
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| 92 | void month_sep_char(iter_type& oitr) const
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| 93 | {
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| 94 | do_month_sep_char(oitr);
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| 95 | }
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| 96 | //! Char to separate month-day
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| 97 | void day_sep_char(iter_type& oitr) const
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| 98 | {
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| 99 | do_day_sep_char(oitr);
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| 100 | }
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| 101 | //! Determines the order to put the date elements
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| 102 | ymd_order_spec date_order() const
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| 103 | {
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| 104 | return do_date_order();
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| 105 | }
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| 106 | //! Determines if month is displayed as integer, short or long string
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| 107 | month_format_spec month_format() const
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| 108 | {
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| 109 | return do_month_format();
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| 110 | }
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| 111 |
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| 112 | protected:
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| 113 | //! Default facet implementation uses month_type defaults
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| 114 | virtual void do_put_month_short(iter_type& oitr, month_enum moy) const
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| 115 | {
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| 116 | month_type gm(moy);
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| 117 | charT c = '\0';
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| 118 | put_string(oitr, gm.as_short_string(c));
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| 119 | }
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| 120 | //! Default facet implementation uses month_type defaults
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| 121 | virtual void do_put_month_long(iter_type& oitr,
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| 122 | month_enum moy) const
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| 123 | {
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| 124 | month_type gm(moy);
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| 125 | charT c = '\0';
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| 126 | put_string(oitr, gm.as_long_string(c));
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| 127 | }
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| 128 | //! Default facet implementation for special value types
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| 129 | virtual void do_put_special_value(iter_type& oitr, special_value_enum sv) const
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| 130 | {
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| 131 | if(sv <= 2) { // only output not_a_date_time, neg_infin, or pos_infin
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| 132 | string_type s(default_special_value_names[sv]);
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| 133 | put_string(oitr, s);
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| 134 | }
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| 135 | }
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| 136 | virtual void do_put_weekday_short(iter_type&, weekday_enum) const
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| 137 | {
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| 138 | }
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| 139 | virtual void do_put_weekday_long(iter_type&, weekday_enum) const
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| 140 | {
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| 141 | }
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| 142 | virtual bool do_has_date_sep_chars() const
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| 143 | {
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| 144 | return true;
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| 145 | }
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| 146 | virtual void do_year_sep_char(iter_type& oitr) const
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| 147 | {
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| 148 | string_type s(separator);
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| 149 | put_string(oitr, s);
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| 150 | }
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| 151 | //! char between year-month
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| 152 | virtual void do_month_sep_char(iter_type& oitr) const
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| 153 | {
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| 154 | string_type s(separator);
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| 155 | put_string(oitr, s);
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| 156 | }
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| 157 | //! Char to separate month-day
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| 158 | virtual void do_day_sep_char(iter_type& oitr) const
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| 159 | {
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| 160 | string_type s(separator); //put in '-'
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| 161 | put_string(oitr, s);
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| 162 | }
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| 163 | //! Default for date order
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| 164 | virtual ymd_order_spec do_date_order() const
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| 165 | {
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| 166 | return ymd_order_iso;
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| 167 | }
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| 168 | //! Default month format
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| 169 | virtual month_format_spec do_month_format() const
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| 170 | {
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| 171 | return month_as_short_string;
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| 172 | }
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| 173 | void put_string(iter_type& oi, const charT* const s) const
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| 174 | {
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| 175 | string_type s1(boost::lexical_cast<string_type>(s));
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| 176 | typename string_type::iterator si,end;
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| 177 | for (si=s1.begin(), end=s1.end(); si!=end; si++, oi++) {
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| 178 | *oi = *si;
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| 179 | }
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| 180 | }
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| 181 | void put_string(iter_type& oi, const string_type& s1) const
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| 182 | {
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| 183 | typename string_type::const_iterator si,end;
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| 184 | for (si=s1.begin(), end=s1.end(); si!=end; si++, oi++) {
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| 185 | *oi = *si;
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| 186 | }
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| 187 | }
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| 188 | };
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| 189 |
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| 190 | template<class Config, class charT, class OutputIterator>
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| 191 | const typename date_names_put<Config, charT, OutputIterator>::char_type
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| 192 | date_names_put<Config, charT, OutputIterator>::default_special_value_names[3][17] = {
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| 193 | {'n','o','t','-','a','-','d','a','t','e','-','t','i','m','e'},
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| 194 | {'-','i','n','f','i','n','i','t','y'},
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| 195 | {'+','i','n','f','i','n','i','t','y'} };
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| 196 |
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| 197 | template<class Config, class charT, class OutputIterator>
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| 198 | const typename date_names_put<Config, charT, OutputIterator>::char_type
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| 199 | date_names_put<Config, charT, OutputIterator>::separator[2] =
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| 200 | {'-', '\0'} ;
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| 201 |
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| 202 |
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| 203 | //! Generate storage location for a std::locale::id
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| 204 | template<class Config, class charT, class OutputIterator>
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| 205 | std::locale::id date_names_put<Config, charT, OutputIterator>::id;
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| 206 |
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| 207 | //! A date name output facet that takes an array of char* to define strings
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| 208 | template<class Config,
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| 209 | class charT = char,
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| 210 | class OutputIterator = std::ostreambuf_iterator<charT> >
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| 211 | class all_date_names_put : public date_names_put<Config, charT, OutputIterator>
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| 212 | {
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| 213 | public:
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| 214 | all_date_names_put(const charT* const month_short_names[],
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| 215 | const charT* const month_long_names[],
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| 216 | const charT* const special_value_names[],
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| 217 | const charT* const weekday_short_names[],
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| 218 | const charT* const weekday_long_names[],
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| 219 | charT separator_char = '-',
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| 220 | ymd_order_spec order_spec = ymd_order_iso,
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| 221 | month_format_spec month_format = month_as_short_string) :
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| 222 | month_short_names_(month_short_names),
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| 223 | month_long_names_(month_long_names),
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| 224 | special_value_names_(special_value_names),
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| 225 | weekday_short_names_(weekday_short_names),
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| 226 | weekday_long_names_(weekday_long_names),
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| 227 | order_spec_(order_spec),
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| 228 | month_format_spec_(month_format)
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| 229 | {
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| 230 | separator_char_[0] = separator_char;
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| 231 | separator_char_[1] = '\0';
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| 232 |
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| 233 | };
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| 234 | typedef OutputIterator iter_type;
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| 235 | typedef typename Config::month_enum month_enum;
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| 236 | typedef typename Config::weekday_enum weekday_enum;
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| 237 | typedef typename Config::special_value_enum special_value_enum;
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| 238 |
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| 239 | const charT* const* get_short_month_names() const
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| 240 | {
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| 241 | return month_short_names_;
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| 242 | }
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| 243 | const charT* const* get_long_month_names() const
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| 244 | {
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| 245 | return month_long_names_;
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| 246 | }
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| 247 | const charT* const* get_special_value_names() const
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| 248 | {
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| 249 | return special_value_names_;
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| 250 | }
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| 251 | const charT* const* get_short_weekday_names()const
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| 252 | {
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| 253 | return weekday_short_names_;
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| 254 | }
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| 255 | const charT* const* get_long_weekday_names()const
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| 256 | {
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| 257 | return weekday_long_names_;
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| 258 | }
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| 259 |
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| 260 | protected:
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| 261 | //! Generic facet that takes array of chars
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| 262 | virtual void do_put_month_short(iter_type& oitr, month_enum moy) const
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| 263 | {
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| 264 | this->put_string(oitr, month_short_names_[moy-1]);
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| 265 | }
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| 266 | //! Long month names
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| 267 | virtual void do_put_month_long(iter_type& oitr, month_enum moy) const
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| 268 | {
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| 269 | this->put_string(oitr, month_long_names_[moy-1]);
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| 270 | }
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| 271 | //! Special values names
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| 272 | virtual void do_put_special_value(iter_type& oitr, special_value_enum sv) const
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| 273 | {
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| 274 | this->put_string(oitr, special_value_names_[sv]);
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| 275 | }
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| 276 | virtual void do_put_weekday_short(iter_type& oitr, weekday_enum wd) const
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| 277 | {
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| 278 | this->put_string(oitr, weekday_short_names_[wd]);
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| 279 | }
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| 280 | virtual void do_put_weekday_long(iter_type& oitr, weekday_enum wd) const
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| 281 | {
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| 282 | this->put_string(oitr, weekday_long_names_[wd]);
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| 283 | }
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| 284 | //! char between year-month
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| 285 | virtual void do_month_sep_char(iter_type& oitr) const
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| 286 | {
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| 287 | this->put_string(oitr, separator_char_);
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| 288 | }
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| 289 | //! Char to separate month-day
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| 290 | virtual void do_day_sep_char(iter_type& oitr) const
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| 291 | {
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| 292 | this->put_string(oitr, separator_char_);
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| 293 | }
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| 294 | //! Set the date ordering
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| 295 | virtual ymd_order_spec do_date_order() const
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| 296 | {
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| 297 | return order_spec_;
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| 298 | }
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| 299 | //! Set the date ordering
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| 300 | virtual month_format_spec do_month_format() const
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| 301 | {
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| 302 | return month_format_spec_;
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| 303 | }
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| 304 |
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| 305 | private:
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| 306 | const charT* const* month_short_names_;
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| 307 | const charT* const* month_long_names_;
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| 308 | const charT* const* special_value_names_;
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| 309 | const charT* const* weekday_short_names_;
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| 310 | const charT* const* weekday_long_names_;
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| 311 | charT separator_char_[2];
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| 312 | ymd_order_spec order_spec_;
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| 313 | month_format_spec month_format_spec_;
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| 314 | };
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| 315 |
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| 316 | } } //namespace boost::date_time
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| 317 |
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| 318 | #endif //BOOST_NO_STD_LOCALE
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| 319 |
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| 320 | #endif
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