1 | #ifndef DATE_TIME_DATE_NAMES_PUT_HPP___ |
2 | #define DATE_TIME_DATE_NAMES_PUT_HPP___ |
3 | |
4 | /* Copyright (c) 2002-2005 CrystalClear Software, Inc. |
5 | * Use, modification and distribution is subject to the |
6 | * Boost Software License, Version 1.0. (See accompanying |
7 | * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
8 | * Author: Jeff Garland, Bart Garst |
9 | * $Date$ |
10 | */ |
11 | |
12 | |
13 | #include "boost/date_time/locale_config.hpp" // set BOOST_DATE_TIME_NO_LOCALE |
14 | |
15 | #ifndef BOOST_DATE_TIME_NO_LOCALE |
16 | |
17 | #include "boost/date_time/special_defs.hpp" |
18 | #include "boost/date_time/date_defs.hpp" |
19 | #include "boost/date_time/parse_format_base.hpp" |
20 | #include "boost/lexical_cast.hpp" |
21 | #include <locale> |
22 | |
23 | |
24 | namespace boost { |
25 | namespace date_time { |
26 | |
27 | //! Output facet base class for gregorian dates. |
28 | /*! This class is a base class for date facets used to localize the |
29 | * names of months and the names of days in the week. |
30 | * |
31 | * Requirements of Config |
32 | * - define an enumeration month_enum that enumerates the months. |
33 | * The enumeration should be '1' based eg: Jan==1 |
34 | * - define as_short_string and as_long_string |
35 | * |
36 | * (see langer & kreft p334). |
37 | * |
38 | */ |
39 | template<class Config, |
40 | class charT = char, |
41 | class OutputIterator = std::ostreambuf_iterator<charT> > |
42 | class date_names_put : public std::locale::facet |
43 | { |
44 | public: |
45 | date_names_put() {} |
46 | typedef OutputIterator iter_type; |
47 | typedef typename Config::month_type month_type; |
48 | typedef typename Config::month_enum month_enum; |
49 | typedef typename Config::weekday_enum weekday_enum; |
50 | typedef typename Config::special_value_enum special_value_enum; |
51 | //typedef typename Config::format_type format_type; |
52 | typedef std::basic_string<charT> string_type; |
53 | typedef charT char_type; |
54 | static const char_type default_special_value_names[3][17]; |
55 | static const char_type separator[2]; |
56 | |
57 | static std::locale::id id; |
58 | |
59 | #if defined (__SUNPRO_CC) && defined (_RWSTD_VER) |
60 | std::locale::id& __get_id (void) const { return id; } |
61 | #endif |
62 | |
63 | void put_special_value(iter_type& oitr, special_value_enum sv) const |
64 | { |
65 | do_put_special_value(oitr, sv); |
66 | } |
67 | void put_month_short(iter_type& oitr, month_enum moy) const |
68 | { |
69 | do_put_month_short(oitr, moy); |
70 | } |
71 | void put_month_long(iter_type& oitr, month_enum moy) const |
72 | { |
73 | do_put_month_long(oitr, moy); |
74 | } |
75 | void put_weekday_short(iter_type& oitr, weekday_enum wd) const |
76 | { |
77 | do_put_weekday_short(oitr, wd); |
78 | } |
79 | void put_weekday_long(iter_type& oitr, weekday_enum wd) const |
80 | { |
81 | do_put_weekday_long(oitr, wd); |
82 | } |
83 | bool has_date_sep_chars() const |
84 | { |
85 | return do_has_date_sep_chars(); |
86 | } |
87 | void year_sep_char(iter_type& oitr) const |
88 | { |
89 | do_year_sep_char(oitr); |
90 | } |
91 | //! char between year-month |
92 | void month_sep_char(iter_type& oitr) const |
93 | { |
94 | do_month_sep_char(oitr); |
95 | } |
96 | //! Char to separate month-day |
97 | void day_sep_char(iter_type& oitr) const |
98 | { |
99 | do_day_sep_char(oitr); |
100 | } |
101 | //! Determines the order to put the date elements |
102 | ymd_order_spec date_order() const |
103 | { |
104 | return do_date_order(); |
105 | } |
106 | //! Determines if month is displayed as integer, short or long string |
107 | month_format_spec month_format() const |
108 | { |
109 | return do_month_format(); |
110 | } |
111 | |
112 | protected: |
113 | //! Default facet implementation uses month_type defaults |
114 | virtual void do_put_month_short(iter_type& oitr, month_enum moy) const |
115 | { |
116 | month_type gm(moy); |
117 | charT c = '\0'; |
118 | put_string(oitr, gm.as_short_string(c)); |
119 | } |
120 | //! Default facet implementation uses month_type defaults |
121 | virtual void do_put_month_long(iter_type& oitr, |
122 | month_enum moy) const |
123 | { |
124 | month_type gm(moy); |
125 | charT c = '\0'; |
126 | put_string(oitr, gm.as_long_string(c)); |
127 | } |
128 | //! Default facet implementation for special value types |
129 | virtual void do_put_special_value(iter_type& oitr, special_value_enum sv) const |
130 | { |
131 | if(sv <= 2) { // only output not_a_date_time, neg_infin, or pos_infin |
132 | string_type s(default_special_value_names[sv]); |
133 | put_string(oitr, s); |
134 | } |
135 | } |
136 | virtual void do_put_weekday_short(iter_type&, weekday_enum) const |
137 | { |
138 | } |
139 | virtual void do_put_weekday_long(iter_type&, weekday_enum) const |
140 | { |
141 | } |
142 | virtual bool do_has_date_sep_chars() const |
143 | { |
144 | return true; |
145 | } |
146 | virtual void do_year_sep_char(iter_type& oitr) const |
147 | { |
148 | string_type s(separator); |
149 | put_string(oitr, s); |
150 | } |
151 | //! char between year-month |
152 | virtual void do_month_sep_char(iter_type& oitr) const |
153 | { |
154 | string_type s(separator); |
155 | put_string(oitr, s); |
156 | } |
157 | //! Char to separate month-day |
158 | virtual void do_day_sep_char(iter_type& oitr) const |
159 | { |
160 | string_type s(separator); //put in '-' |
161 | put_string(oitr, s); |
162 | } |
163 | //! Default for date order |
164 | virtual ymd_order_spec do_date_order() const |
165 | { |
166 | return ymd_order_iso; |
167 | } |
168 | //! Default month format |
169 | virtual month_format_spec do_month_format() const |
170 | { |
171 | return month_as_short_string; |
172 | } |
173 | void put_string(iter_type& oi, const charT* const s) const |
174 | { |
175 | string_type s1(boost::lexical_cast<string_type>(s)); |
176 | typename string_type::iterator si,end; |
177 | for (si=s1.begin(), end=s1.end(); si!=end; si++, oi++) { |
178 | *oi = *si; |
179 | } |
180 | } |
181 | void put_string(iter_type& oi, const string_type& s1) const |
182 | { |
183 | typename string_type::const_iterator si,end; |
184 | for (si=s1.begin(), end=s1.end(); si!=end; si++, oi++) { |
185 | *oi = *si; |
186 | } |
187 | } |
188 | }; |
189 | |
190 | template<class Config, class charT, class OutputIterator> |
191 | const typename date_names_put<Config, charT, OutputIterator>::char_type |
192 | date_names_put<Config, charT, OutputIterator>::default_special_value_names[3][17] = { |
193 | {'n','o','t','-','a','-','d','a','t','e','-','t','i','m','e'}, |
194 | {'-','i','n','f','i','n','i','t','y'}, |
195 | {'+','i','n','f','i','n','i','t','y'} }; |
196 | |
197 | template<class Config, class charT, class OutputIterator> |
198 | const typename date_names_put<Config, charT, OutputIterator>::char_type |
199 | date_names_put<Config, charT, OutputIterator>::separator[2] = |
200 | {'-', '\0'} ; |
201 | |
202 | |
203 | //! Generate storage location for a std::locale::id |
204 | template<class Config, class charT, class OutputIterator> |
205 | std::locale::id date_names_put<Config, charT, OutputIterator>::id; |
206 | |
207 | //! A date name output facet that takes an array of char* to define strings |
208 | template<class Config, |
209 | class charT = char, |
210 | class OutputIterator = std::ostreambuf_iterator<charT> > |
211 | class all_date_names_put : public date_names_put<Config, charT, OutputIterator> |
212 | { |
213 | public: |
214 | all_date_names_put(const charT* const month_short_names[], |
215 | const charT* const month_long_names[], |
216 | const charT* const special_value_names[], |
217 | const charT* const weekday_short_names[], |
218 | const charT* const weekday_long_names[], |
219 | charT separator_char = '-', |
220 | ymd_order_spec order_spec = ymd_order_iso, |
221 | month_format_spec month_format = month_as_short_string) : |
222 | month_short_names_(month_short_names), |
223 | month_long_names_(month_long_names), |
224 | special_value_names_(special_value_names), |
225 | weekday_short_names_(weekday_short_names), |
226 | weekday_long_names_(weekday_long_names), |
227 | order_spec_(order_spec), |
228 | month_format_spec_(month_format) |
229 | { |
230 | separator_char_[0] = separator_char; |
231 | separator_char_[1] = '\0'; |
232 | |
233 | } |
234 | typedef OutputIterator iter_type; |
235 | typedef typename Config::month_enum month_enum; |
236 | typedef typename Config::weekday_enum weekday_enum; |
237 | typedef typename Config::special_value_enum special_value_enum; |
238 | |
239 | const charT* const* get_short_month_names() const |
240 | { |
241 | return month_short_names_; |
242 | } |
243 | const charT* const* get_long_month_names() const |
244 | { |
245 | return month_long_names_; |
246 | } |
247 | const charT* const* get_special_value_names() const |
248 | { |
249 | return special_value_names_; |
250 | } |
251 | const charT* const* get_short_weekday_names()const |
252 | { |
253 | return weekday_short_names_; |
254 | } |
255 | const charT* const* get_long_weekday_names()const |
256 | { |
257 | return weekday_long_names_; |
258 | } |
259 | |
260 | protected: |
261 | //! Generic facet that takes array of chars |
262 | virtual void do_put_month_short(iter_type& oitr, month_enum moy) const |
263 | { |
264 | this->put_string(oitr, month_short_names_[moy-1]); |
265 | } |
266 | //! Long month names |
267 | virtual void do_put_month_long(iter_type& oitr, month_enum moy) const |
268 | { |
269 | this->put_string(oitr, month_long_names_[moy-1]); |
270 | } |
271 | //! Special values names |
272 | virtual void do_put_special_value(iter_type& oitr, special_value_enum sv) const |
273 | { |
274 | this->put_string(oitr, special_value_names_[sv]); |
275 | } |
276 | virtual void do_put_weekday_short(iter_type& oitr, weekday_enum wd) const |
277 | { |
278 | this->put_string(oitr, weekday_short_names_[wd]); |
279 | } |
280 | virtual void do_put_weekday_long(iter_type& oitr, weekday_enum wd) const |
281 | { |
282 | this->put_string(oitr, weekday_long_names_[wd]); |
283 | } |
284 | //! char between year-month |
285 | virtual void do_month_sep_char(iter_type& oitr) const |
286 | { |
287 | this->put_string(oitr, separator_char_); |
288 | } |
289 | //! Char to separate month-day |
290 | virtual void do_day_sep_char(iter_type& oitr) const |
291 | { |
292 | this->put_string(oitr, separator_char_); |
293 | } |
294 | //! Set the date ordering |
295 | virtual ymd_order_spec do_date_order() const |
296 | { |
297 | return order_spec_; |
298 | } |
299 | //! Set the date ordering |
300 | virtual month_format_spec do_month_format() const |
301 | { |
302 | return month_format_spec_; |
303 | } |
304 | |
305 | private: |
306 | const charT* const* month_short_names_; |
307 | const charT* const* month_long_names_; |
308 | const charT* const* special_value_names_; |
309 | const charT* const* weekday_short_names_; |
310 | const charT* const* weekday_long_names_; |
311 | charT separator_char_[2]; |
312 | ymd_order_spec order_spec_; |
313 | month_format_spec month_format_spec_; |
314 | }; |
315 | |
316 | } } //namespace boost::date_time |
317 | |
318 | #endif //BOOST_NO_STD_LOCALE |
319 | |
320 | #endif |
321 | |