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1 | // Locale support -*- C++ -*- | |
2 | ||
3 | // Copyright (C) 2007-2017 Free Software Foundation, Inc. | |
4 | // | |
5 | // This file is part of the GNU ISO C++ Library. This library is free | |
6 | // software; you can redistribute it and/or modify it under the | |
7 | // terms of the GNU General Public License as published by the | |
8 | // Free Software Foundation; either version 3, or (at your option) | |
9 | // any later version. | |
10 | ||
11 | // This library is distributed in the hope that it will be useful, | |
12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | // GNU General Public License for more details. | |
15 | ||
16 | // Under Section 7 of GPL version 3, you are granted additional | |
17 | // permissions described in the GCC Runtime Library Exception, version | |
18 | // 3.1, as published by the Free Software Foundation. | |
19 | ||
20 | // You should have received a copy of the GNU General Public License and | |
21 | // a copy of the GCC Runtime Library Exception along with this program; | |
22 | // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
23 | // <http://www.gnu.org/licenses/>. | |
24 | ||
25 | /** @file bits/locale_facets_nonio.h | |
26 | * This is an internal header file, included by other library headers. | |
27 | * Do not attempt to use it directly. @headername{locale} | |
28 | */ | |
29 | ||
30 | // | |
31 | // ISO C++ 14882: 22.1 Locales | |
32 | // | |
33 | ||
34 | #ifndef _LOCALE_FACETS_NONIO_H | |
35 | #define _LOCALE_FACETS_NONIO_H 1 | |
36 | ||
37 | #pragma GCC system_header | |
38 | ||
39 | #include <ctime> // For struct tm | |
40 | ||
41 | namespace std _GLIBCXX_VISIBILITY(default) | |
42 | { | |
43 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
44 | ||
45 | /** | |
46 | * @brief Time format ordering data. | |
47 | * @ingroup locales | |
48 | * | |
49 | * This class provides an enum representing different orderings of | |
50 | * time: day, month, and year. | |
51 | */ | |
52 | class time_base | |
53 | { | |
54 | public: | |
55 | enum dateorder { no_order, dmy, mdy, ymd, ydm }; | |
56 | }; | |
57 | ||
58 | template<typename _CharT> | |
59 | struct __timepunct_cache : public locale::facet | |
60 | { | |
61 | // List of all known timezones, with GMT first. | |
62 | static const _CharT* _S_timezones[14]; | |
63 | ||
64 | const _CharT* _M_date_format; | |
65 | const _CharT* _M_date_era_format; | |
66 | const _CharT* _M_time_format; | |
67 | const _CharT* _M_time_era_format; | |
68 | const _CharT* _M_date_time_format; | |
69 | const _CharT* _M_date_time_era_format; | |
70 | const _CharT* _M_am; | |
71 | const _CharT* _M_pm; | |
72 | const _CharT* _M_am_pm_format; | |
73 | ||
74 | // Day names, starting with "C"'s Sunday. | |
75 | const _CharT* _M_day1; | |
76 | const _CharT* _M_day2; | |
77 | const _CharT* _M_day3; | |
78 | const _CharT* _M_day4; | |
79 | const _CharT* _M_day5; | |
80 | const _CharT* _M_day6; | |
81 | const _CharT* _M_day7; | |
82 | ||
83 | // Abbreviated day names, starting with "C"'s Sun. | |
84 | const _CharT* _M_aday1; | |
85 | const _CharT* _M_aday2; | |
86 | const _CharT* _M_aday3; | |
87 | const _CharT* _M_aday4; | |
88 | const _CharT* _M_aday5; | |
89 | const _CharT* _M_aday6; | |
90 | const _CharT* _M_aday7; | |
91 | ||
92 | // Month names, starting with "C"'s January. | |
93 | const _CharT* _M_month01; | |
94 | const _CharT* _M_month02; | |
95 | const _CharT* _M_month03; | |
96 | const _CharT* _M_month04; | |
97 | const _CharT* _M_month05; | |
98 | const _CharT* _M_month06; | |
99 | const _CharT* _M_month07; | |
100 | const _CharT* _M_month08; | |
101 | const _CharT* _M_month09; | |
102 | const _CharT* _M_month10; | |
103 | const _CharT* _M_month11; | |
104 | const _CharT* _M_month12; | |
105 | ||
106 | // Abbreviated month names, starting with "C"'s Jan. | |
107 | const _CharT* _M_amonth01; | |
108 | const _CharT* _M_amonth02; | |
109 | const _CharT* _M_amonth03; | |
110 | const _CharT* _M_amonth04; | |
111 | const _CharT* _M_amonth05; | |
112 | const _CharT* _M_amonth06; | |
113 | const _CharT* _M_amonth07; | |
114 | const _CharT* _M_amonth08; | |
115 | const _CharT* _M_amonth09; | |
116 | const _CharT* _M_amonth10; | |
117 | const _CharT* _M_amonth11; | |
118 | const _CharT* _M_amonth12; | |
119 | ||
120 | bool _M_allocated; | |
121 | ||
122 | __timepunct_cache(size_t __refs = 0) : facet(__refs), | |
123 | _M_date_format(0), _M_date_era_format(0), _M_time_format(0), | |
124 | _M_time_era_format(0), _M_date_time_format(0), | |
125 | _M_date_time_era_format(0), _M_am(0), _M_pm(0), | |
126 | _M_am_pm_format(0), _M_day1(0), _M_day2(0), _M_day3(0), | |
127 | _M_day4(0), _M_day5(0), _M_day6(0), _M_day7(0), | |
128 | _M_aday1(0), _M_aday2(0), _M_aday3(0), _M_aday4(0), | |
129 | _M_aday5(0), _M_aday6(0), _M_aday7(0), _M_month01(0), | |
130 | _M_month02(0), _M_month03(0), _M_month04(0), _M_month05(0), | |
131 | _M_month06(0), _M_month07(0), _M_month08(0), _M_month09(0), | |
132 | _M_month10(0), _M_month11(0), _M_month12(0), _M_amonth01(0), | |
133 | _M_amonth02(0), _M_amonth03(0), _M_amonth04(0), | |
134 | _M_amonth05(0), _M_amonth06(0), _M_amonth07(0), | |
135 | _M_amonth08(0), _M_amonth09(0), _M_amonth10(0), | |
136 | _M_amonth11(0), _M_amonth12(0), _M_allocated(false) | |
137 | { } | |
138 | ||
139 | ~__timepunct_cache(); | |
140 | ||
141 | private: | |
142 | __timepunct_cache& | |
143 | operator=(const __timepunct_cache&); | |
144 | ||
145 | explicit | |
146 | __timepunct_cache(const __timepunct_cache&); | |
147 | }; | |
148 | ||
149 | template<typename _CharT> | |
150 | __timepunct_cache<_CharT>::~__timepunct_cache() | |
151 | { | |
152 | if (_M_allocated) | |
153 | { | |
154 | // Unused. | |
155 | } | |
156 | } | |
157 | ||
158 | // Specializations. | |
159 | template<> | |
160 | const char* | |
161 | __timepunct_cache<char>::_S_timezones[14]; | |
162 | ||
163 | #ifdef _GLIBCXX_USE_WCHAR_T | |
164 | template<> | |
165 | const wchar_t* | |
166 | __timepunct_cache<wchar_t>::_S_timezones[14]; | |
167 | #endif | |
168 | ||
169 | // Generic. | |
170 | template<typename _CharT> | |
171 | const _CharT* __timepunct_cache<_CharT>::_S_timezones[14]; | |
172 | ||
173 | template<typename _CharT> | |
174 | class __timepunct : public locale::facet | |
175 | { | |
176 | public: | |
177 | // Types: | |
178 | typedef _CharT __char_type; | |
179 | typedef __timepunct_cache<_CharT> __cache_type; | |
180 | ||
181 | protected: | |
182 | __cache_type* _M_data; | |
183 | __c_locale _M_c_locale_timepunct; | |
184 | const char* _M_name_timepunct; | |
185 | ||
186 | public: | |
187 | /// Numpunct facet id. | |
188 | static locale::id id; | |
189 | ||
190 | explicit | |
191 | __timepunct(size_t __refs = 0); | |
192 | ||
193 | explicit | |
194 | __timepunct(__cache_type* __cache, size_t __refs = 0); | |
195 | ||
196 | /** | |
197 | * @brief Internal constructor. Not for general use. | |
198 | * | |
199 | * This is a constructor for use by the library itself to set up new | |
200 | * locales. | |
201 | * | |
202 | * @param __cloc The C locale. | |
203 | * @param __s The name of a locale. | |
204 | * @param refs Passed to the base facet class. | |
205 | */ | |
206 | explicit | |
207 | __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0); | |
208 | ||
209 | // FIXME: for error checking purposes _M_put should return the return | |
210 | // value of strftime/wcsftime. | |
211 | void | |
212 | _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format, | |
213 | const tm* __tm) const throw (); | |
214 | ||
215 | void | |
216 | _M_date_formats(const _CharT** __date) const | |
217 | { | |
218 | // Always have default first. | |
219 | __date[0] = _M_data->_M_date_format; | |
220 | __date[1] = _M_data->_M_date_era_format; | |
221 | } | |
222 | ||
223 | void | |
224 | _M_time_formats(const _CharT** __time) const | |
225 | { | |
226 | // Always have default first. | |
227 | __time[0] = _M_data->_M_time_format; | |
228 | __time[1] = _M_data->_M_time_era_format; | |
229 | } | |
230 | ||
231 | void | |
232 | _M_date_time_formats(const _CharT** __dt) const | |
233 | { | |
234 | // Always have default first. | |
235 | __dt[0] = _M_data->_M_date_time_format; | |
236 | __dt[1] = _M_data->_M_date_time_era_format; | |
237 | } | |
238 | ||
239 | void | |
240 | _M_am_pm_format(const _CharT* __ampm) const | |
241 | { __ampm = _M_data->_M_am_pm_format; } | |
242 | ||
243 | void | |
244 | _M_am_pm(const _CharT** __ampm) const | |
245 | { | |
246 | __ampm[0] = _M_data->_M_am; | |
247 | __ampm[1] = _M_data->_M_pm; | |
248 | } | |
249 | ||
250 | void | |
251 | _M_days(const _CharT** __days) const | |
252 | { | |
253 | __days[0] = _M_data->_M_day1; | |
254 | __days[1] = _M_data->_M_day2; | |
255 | __days[2] = _M_data->_M_day3; | |
256 | __days[3] = _M_data->_M_day4; | |
257 | __days[4] = _M_data->_M_day5; | |
258 | __days[5] = _M_data->_M_day6; | |
259 | __days[6] = _M_data->_M_day7; | |
260 | } | |
261 | ||
262 | void | |
263 | _M_days_abbreviated(const _CharT** __days) const | |
264 | { | |
265 | __days[0] = _M_data->_M_aday1; | |
266 | __days[1] = _M_data->_M_aday2; | |
267 | __days[2] = _M_data->_M_aday3; | |
268 | __days[3] = _M_data->_M_aday4; | |
269 | __days[4] = _M_data->_M_aday5; | |
270 | __days[5] = _M_data->_M_aday6; | |
271 | __days[6] = _M_data->_M_aday7; | |
272 | } | |
273 | ||
274 | void | |
275 | _M_months(const _CharT** __months) const | |
276 | { | |
277 | __months[0] = _M_data->_M_month01; | |
278 | __months[1] = _M_data->_M_month02; | |
279 | __months[2] = _M_data->_M_month03; | |
280 | __months[3] = _M_data->_M_month04; | |
281 | __months[4] = _M_data->_M_month05; | |
282 | __months[5] = _M_data->_M_month06; | |
283 | __months[6] = _M_data->_M_month07; | |
284 | __months[7] = _M_data->_M_month08; | |
285 | __months[8] = _M_data->_M_month09; | |
286 | __months[9] = _M_data->_M_month10; | |
287 | __months[10] = _M_data->_M_month11; | |
288 | __months[11] = _M_data->_M_month12; | |
289 | } | |
290 | ||
291 | void | |
292 | _M_months_abbreviated(const _CharT** __months) const | |
293 | { | |
294 | __months[0] = _M_data->_M_amonth01; | |
295 | __months[1] = _M_data->_M_amonth02; | |
296 | __months[2] = _M_data->_M_amonth03; | |
297 | __months[3] = _M_data->_M_amonth04; | |
298 | __months[4] = _M_data->_M_amonth05; | |
299 | __months[5] = _M_data->_M_amonth06; | |
300 | __months[6] = _M_data->_M_amonth07; | |
301 | __months[7] = _M_data->_M_amonth08; | |
302 | __months[8] = _M_data->_M_amonth09; | |
303 | __months[9] = _M_data->_M_amonth10; | |
304 | __months[10] = _M_data->_M_amonth11; | |
305 | __months[11] = _M_data->_M_amonth12; | |
306 | } | |
307 | ||
308 | protected: | |
309 | virtual | |
310 | ~__timepunct(); | |
311 | ||
312 | // For use at construction time only. | |
313 | void | |
314 | _M_initialize_timepunct(__c_locale __cloc = 0); | |
315 | }; | |
316 | ||
317 | template<typename _CharT> | |
318 | locale::id __timepunct<_CharT>::id; | |
319 | ||
320 | // Specializations. | |
321 | template<> | |
322 | void | |
323 | __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc); | |
324 | ||
325 | template<> | |
326 | void | |
327 | __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const throw (); | |
328 | ||
329 | #ifdef _GLIBCXX_USE_WCHAR_T | |
330 | template<> | |
331 | void | |
332 | __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc); | |
333 | ||
334 | template<> | |
335 | void | |
336 | __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*, | |
337 | const tm*) const throw (); | |
338 | #endif | |
339 | ||
340 | _GLIBCXX_END_NAMESPACE_VERSION | |
341 | } // namespace | |
342 | ||
343 | // Include host and configuration specific timepunct functions. | |
344 | #include <bits/time_members.h> | |
345 | ||
346 | namespace std _GLIBCXX_VISIBILITY(default) | |
347 | { | |
348 | _GLIBCXX_BEGIN_NAMESPACE_VERSION | |
349 | ||
350 | _GLIBCXX_BEGIN_NAMESPACE_CXX11 | |
351 | ||
352 | /** | |
353 | * @brief Primary class template time_get. | |
354 | * @ingroup locales | |
355 | * | |
356 | * This facet encapsulates the code to parse and return a date or | |
357 | * time from a string. It is used by the istream numeric | |
358 | * extraction operators. | |
359 | * | |
360 | * The time_get template uses protected virtual functions to provide the | |
361 | * actual results. The public accessors forward the call to the virtual | |
362 | * functions. These virtual functions are hooks for developers to | |
363 | * implement the behavior they require from the time_get facet. | |
364 | */ | |
365 | template<typename _CharT, typename _InIter> | |
366 | class time_get : public locale::facet, public time_base | |
367 | { | |
368 | public: | |
369 | // Types: | |
370 | //@{ | |
371 | /// Public typedefs | |
372 | typedef _CharT char_type; | |
373 | typedef _InIter iter_type; | |
374 | //@} | |
375 | ||
376 | /// Numpunct facet id. | |
377 | static locale::id id; | |
378 | ||
379 | /** | |
380 | * @brief Constructor performs initialization. | |
381 | * | |
382 | * This is the constructor provided by the standard. | |
383 | * | |
384 | * @param __refs Passed to the base facet class. | |
385 | */ | |
386 | explicit | |
387 | time_get(size_t __refs = 0) | |
388 | : facet (__refs) { } | |
389 | ||
390 | /** | |
391 | * @brief Return preferred order of month, day, and year. | |
392 | * | |
393 | * This function returns an enum from time_base::dateorder giving the | |
394 | * preferred ordering if the format @a x given to time_put::put() only | |
395 | * uses month, day, and year. If the format @a x for the associated | |
396 | * locale uses other fields, this function returns | |
397 | * time_base::dateorder::noorder. | |
398 | * | |
399 | * NOTE: The library always returns noorder at the moment. | |
400 | * | |
401 | * @return A member of time_base::dateorder. | |
402 | */ | |
403 | dateorder | |
404 | date_order() const | |
405 | { return this->do_date_order(); } | |
406 | ||
407 | /** | |
408 | * @brief Parse input time string. | |
409 | * | |
410 | * This function parses a time according to the format @a X and puts the | |
411 | * results into a user-supplied struct tm. The result is returned by | |
412 | * calling time_get::do_get_time(). | |
413 | * | |
414 | * If there is a valid time string according to format @a X, @a tm will | |
415 | * be filled in accordingly and the returned iterator will point to the | |
416 | * first character beyond the time string. If an error occurs before | |
417 | * the end, err |= ios_base::failbit. If parsing reads all the | |
418 | * characters, err |= ios_base::eofbit. | |
419 | * | |
420 | * @param __beg Start of string to parse. | |
421 | * @param __end End of string to parse. | |
422 | * @param __io Source of the locale. | |
423 | * @param __err Error flags to set. | |
424 | * @param __tm Pointer to struct tm to fill in. | |
425 | * @return Iterator to first char beyond time string. | |
426 | */ | |
427 | iter_type | |
428 | get_time(iter_type __beg, iter_type __end, ios_base& __io, | |
429 | ios_base::iostate& __err, tm* __tm) const | |
430 | { return this->do_get_time(__beg, __end, __io, __err, __tm); } | |
431 | ||
432 | /** | |
433 | * @brief Parse input date string. | |
434 | * | |
435 | * This function parses a date according to the format @a x and puts the | |
436 | * results into a user-supplied struct tm. The result is returned by | |
437 | * calling time_get::do_get_date(). | |
438 | * | |
439 | * If there is a valid date string according to format @a x, @a tm will | |
440 | * be filled in accordingly and the returned iterator will point to the | |
441 | * first character beyond the date string. If an error occurs before | |
442 | * the end, err |= ios_base::failbit. If parsing reads all the | |
443 | * characters, err |= ios_base::eofbit. | |
444 | * | |
445 | * @param __beg Start of string to parse. | |
446 | * @param __end End of string to parse. | |
447 | * @param __io Source of the locale. | |
448 | * @param __err Error flags to set. | |
449 | * @param __tm Pointer to struct tm to fill in. | |
450 | * @return Iterator to first char beyond date string. | |
451 | */ | |
452 | iter_type | |
453 | get_date(iter_type __beg, iter_type __end, ios_base& __io, | |
454 | ios_base::iostate& __err, tm* __tm) const | |
455 | { return this->do_get_date(__beg, __end, __io, __err, __tm); } | |
456 | ||
457 | /** | |
458 | * @brief Parse input weekday string. | |
459 | * | |
460 | * This function parses a weekday name and puts the results into a | |
461 | * user-supplied struct tm. The result is returned by calling | |
462 | * time_get::do_get_weekday(). | |
463 | * | |
464 | * Parsing starts by parsing an abbreviated weekday name. If a valid | |
465 | * abbreviation is followed by a character that would lead to the full | |
466 | * weekday name, parsing continues until the full name is found or an | |
467 | * error occurs. Otherwise parsing finishes at the end of the | |
468 | * abbreviated name. | |
469 | * | |
470 | * If an error occurs before the end, err |= ios_base::failbit. If | |
471 | * parsing reads all the characters, err |= ios_base::eofbit. | |
472 | * | |
473 | * @param __beg Start of string to parse. | |
474 | * @param __end End of string to parse. | |
475 | * @param __io Source of the locale. | |
476 | * @param __err Error flags to set. | |
477 | * @param __tm Pointer to struct tm to fill in. | |
478 | * @return Iterator to first char beyond weekday name. | |
479 | */ | |
480 | iter_type | |
481 | get_weekday(iter_type __beg, iter_type __end, ios_base& __io, | |
482 | ios_base::iostate& __err, tm* __tm) const | |
483 | { return this->do_get_weekday(__beg, __end, __io, __err, __tm); } | |
484 | ||
485 | /** | |
486 | * @brief Parse input month string. | |
487 | * | |
488 | * This function parses a month name and puts the results into a | |
489 | * user-supplied struct tm. The result is returned by calling | |
490 | * time_get::do_get_monthname(). | |
491 | * | |
492 | * Parsing starts by parsing an abbreviated month name. If a valid | |
493 | * abbreviation is followed by a character that would lead to the full | |
494 | * month name, parsing continues until the full name is found or an | |
495 | * error occurs. Otherwise parsing finishes at the end of the | |
496 | * abbreviated name. | |
497 | * | |
498 | * If an error occurs before the end, err |= ios_base::failbit. If | |
499 | * parsing reads all the characters, err |= | |
500 | * ios_base::eofbit. | |
501 | * | |
502 | * @param __beg Start of string to parse. | |
503 | * @param __end End of string to parse. | |
504 | * @param __io Source of the locale. | |
505 | * @param __err Error flags to set. | |
506 | * @param __tm Pointer to struct tm to fill in. | |
507 | * @return Iterator to first char beyond month name. | |
508 | */ | |
509 | iter_type | |
510 | get_monthname(iter_type __beg, iter_type __end, ios_base& __io, | |
511 | ios_base::iostate& __err, tm* __tm) const | |
512 | { return this->do_get_monthname(__beg, __end, __io, __err, __tm); } | |
513 | ||
514 | /** | |
515 | * @brief Parse input year string. | |
516 | * | |
517 | * This function reads up to 4 characters to parse a year string and | |
518 | * puts the results into a user-supplied struct tm. The result is | |
519 | * returned by calling time_get::do_get_year(). | |
520 | * | |
521 | * 4 consecutive digits are interpreted as a full year. If there are | |
522 | * exactly 2 consecutive digits, the library interprets this as the | |
523 | * number of years since 1900. | |
524 | * | |
525 | * If an error occurs before the end, err |= ios_base::failbit. If | |
526 | * parsing reads all the characters, err |= ios_base::eofbit. | |
527 | * | |
528 | * @param __beg Start of string to parse. | |
529 | * @param __end End of string to parse. | |
530 | * @param __io Source of the locale. | |
531 | * @param __err Error flags to set. | |
532 | * @param __tm Pointer to struct tm to fill in. | |
533 | * @return Iterator to first char beyond year. | |
534 | */ | |
535 | iter_type | |
536 | get_year(iter_type __beg, iter_type __end, ios_base& __io, | |
537 | ios_base::iostate& __err, tm* __tm) const | |
538 | { return this->do_get_year(__beg, __end, __io, __err, __tm); } | |
539 | ||
540 | #if __cplusplus >= 201103L | |
541 | /** | |
542 | * @brief Parse input string according to format. | |
543 | * | |
544 | * This function calls time_get::do_get with the provided | |
545 | * parameters. @see do_get() and get(). | |
546 | * | |
547 | * @param __s Start of string to parse. | |
548 | * @param __end End of string to parse. | |
549 | * @param __io Source of the locale. | |
550 | * @param __err Error flags to set. | |
551 | * @param __tm Pointer to struct tm to fill in. | |
552 | * @param __format Format specifier. | |
553 | * @param __modifier Format modifier. | |
554 | * @return Iterator to first char not parsed. | |
555 | */ | |
556 | inline | |
557 | iter_type get(iter_type __s, iter_type __end, ios_base& __io, | |
558 | ios_base::iostate& __err, tm* __tm, char __format, | |
559 | char __modifier = 0) const | |
560 | { | |
561 | return this->do_get(__s, __end, __io, __err, __tm, __format, | |
562 | __modifier); | |
563 | } | |
564 | ||
565 | /** | |
566 | * @brief Parse input string according to format. | |
567 | * | |
568 | * This function parses the input string according to a | |
569 | * provided format string. It does the inverse of | |
570 | * time_put::put. The format string follows the format | |
571 | * specified for strftime(3)/strptime(3). The actual parsing | |
572 | * is done by time_get::do_get. | |
573 | * | |
574 | * @param __s Start of string to parse. | |
575 | * @param __end End of string to parse. | |
576 | * @param __io Source of the locale. | |
577 | * @param __err Error flags to set. | |
578 | * @param __tm Pointer to struct tm to fill in. | |
579 | * @param __fmt Start of the format string. | |
580 | * @param __fmtend End of the format string. | |
581 | * @return Iterator to first char not parsed. | |
582 | */ | |
583 | iter_type get(iter_type __s, iter_type __end, ios_base& __io, | |
584 | ios_base::iostate& __err, tm* __tm, const char_type* __fmt, | |
585 | const char_type* __fmtend) const; | |
586 | #endif // __cplusplus >= 201103L | |
587 | ||
588 | protected: | |
589 | /// Destructor. | |
590 | virtual | |
591 | ~time_get() { } | |
592 | ||
593 | /** | |
594 | * @brief Return preferred order of month, day, and year. | |
595 | * | |
596 | * This function returns an enum from time_base::dateorder giving the | |
597 | * preferred ordering if the format @a x given to time_put::put() only | |
598 | * uses month, day, and year. This function is a hook for derived | |
599 | * classes to change the value returned. | |
600 | * | |
601 | * @return A member of time_base::dateorder. | |
602 | */ | |
603 | virtual dateorder | |
604 | do_date_order() const; | |
605 | ||
606 | /** | |
607 | * @brief Parse input time string. | |
608 | * | |
609 | * This function parses a time according to the format @a x and puts the | |
610 | * results into a user-supplied struct tm. This function is a hook for | |
611 | * derived classes to change the value returned. @see get_time() for | |
612 | * details. | |
613 | * | |
614 | * @param __beg Start of string to parse. | |
615 | * @param __end End of string to parse. | |
616 | * @param __io Source of the locale. | |
617 | * @param __err Error flags to set. | |
618 | * @param __tm Pointer to struct tm to fill in. | |
619 | * @return Iterator to first char beyond time string. | |
620 | */ | |
621 | virtual iter_type | |
622 | do_get_time(iter_type __beg, iter_type __end, ios_base& __io, | |
623 | ios_base::iostate& __err, tm* __tm) const; | |
624 | ||
625 | /** | |
626 | * @brief Parse input date string. | |
627 | * | |
628 | * This function parses a date according to the format @a X and puts the | |
629 | * results into a user-supplied struct tm. This function is a hook for | |
630 | * derived classes to change the value returned. @see get_date() for | |
631 | * details. | |
632 | * | |
633 | * @param __beg Start of string to parse. | |
634 | * @param __end End of string to parse. | |
635 | * @param __io Source of the locale. | |
636 | * @param __err Error flags to set. | |
637 | * @param __tm Pointer to struct tm to fill in. | |
638 | * @return Iterator to first char beyond date string. | |
639 | */ | |
640 | virtual iter_type | |
641 | do_get_date(iter_type __beg, iter_type __end, ios_base& __io, | |
642 | ios_base::iostate& __err, tm* __tm) const; | |
643 | ||
644 | /** | |
645 | * @brief Parse input weekday string. | |
646 | * | |
647 | * This function parses a weekday name and puts the results into a | |
648 | * user-supplied struct tm. This function is a hook for derived | |
649 | * classes to change the value returned. @see get_weekday() for | |
650 | * details. | |
651 | * | |
652 | * @param __beg Start of string to parse. | |
653 | * @param __end End of string to parse. | |
654 | * @param __io Source of the locale. | |
655 | * @param __err Error flags to set. | |
656 | * @param __tm Pointer to struct tm to fill in. | |
657 | * @return Iterator to first char beyond weekday name. | |
658 | */ | |
659 | virtual iter_type | |
660 | do_get_weekday(iter_type __beg, iter_type __end, ios_base&, | |
661 | ios_base::iostate& __err, tm* __tm) const; | |
662 | ||
663 | /** | |
664 | * @brief Parse input month string. | |
665 | * | |
666 | * This function parses a month name and puts the results into a | |
667 | * user-supplied struct tm. This function is a hook for derived | |
668 | * classes to change the value returned. @see get_monthname() for | |
669 | * details. | |
670 | * | |
671 | * @param __beg Start of string to parse. | |
672 | * @param __end End of string to parse. | |
673 | * @param __io Source of the locale. | |
674 | * @param __err Error flags to set. | |
675 | * @param __tm Pointer to struct tm to fill in. | |
676 | * @return Iterator to first char beyond month name. | |
677 | */ | |
678 | virtual iter_type | |
679 | do_get_monthname(iter_type __beg, iter_type __end, ios_base&, | |
680 | ios_base::iostate& __err, tm* __tm) const; | |
681 | ||
682 | /** | |
683 | * @brief Parse input year string. | |
684 | * | |
685 | * This function reads up to 4 characters to parse a year string and | |
686 | * puts the results into a user-supplied struct tm. This function is a | |
687 | * hook for derived classes to change the value returned. @see | |
688 | * get_year() for details. | |
689 | * | |
690 | * @param __beg Start of string to parse. | |
691 | * @param __end End of string to parse. | |
692 | * @param __io Source of the locale. | |
693 | * @param __err Error flags to set. | |
694 | * @param __tm Pointer to struct tm to fill in. | |
695 | * @return Iterator to first char beyond year. | |
696 | */ | |
697 | virtual iter_type | |
698 | do_get_year(iter_type __beg, iter_type __end, ios_base& __io, | |
699 | ios_base::iostate& __err, tm* __tm) const; | |
700 | ||
701 | #if __cplusplus >= 201103L | |
702 | /** | |
703 | * @brief Parse input string according to format. | |
704 | * | |
705 | * This function parses the string according to the provided | |
706 | * format and optional modifier. This function is a hook for | |
707 | * derived classes to change the value returned. @see get() | |
708 | * for more details. | |
709 | * | |
710 | * @param __s Start of string to parse. | |
711 | * @param __end End of string to parse. | |
712 | * @param __f Source of the locale. | |
713 | * @param __err Error flags to set. | |
714 | * @param __tm Pointer to struct tm to fill in. | |
715 | * @param __format Format specifier. | |
716 | * @param __modifier Format modifier. | |
717 | * @return Iterator to first char not parsed. | |
718 | */ | |
719 | #if _GLIBCXX_USE_CXX11_ABI | |
720 | virtual | |
721 | #endif | |
722 | iter_type | |
723 | do_get(iter_type __s, iter_type __end, ios_base& __f, | |
724 | ios_base::iostate& __err, tm* __tm, | |
725 | char __format, char __modifier) const; | |
726 | #endif // __cplusplus >= 201103L | |
727 | ||
728 | // Extract numeric component of length __len. | |
729 | iter_type | |
730 | _M_extract_num(iter_type __beg, iter_type __end, int& __member, | |
731 | int __min, int __max, size_t __len, | |
732 | ios_base& __io, ios_base::iostate& __err) const; | |
733 | ||
734 | // Extract any unique array of string literals in a const _CharT* array. | |
735 | iter_type | |
736 | _M_extract_name(iter_type __beg, iter_type __end, int& __member, | |
737 | const _CharT** __names, size_t __indexlen, | |
738 | ios_base& __io, ios_base::iostate& __err) const; | |
739 | ||
740 | // Extract day or month name in a const _CharT* array. | |
741 | iter_type | |
742 | _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member, | |
743 | const _CharT** __names, size_t __indexlen, | |
744 | ios_base& __io, ios_base::iostate& __err) const; | |
745 | ||
746 | // Extract on a component-by-component basis, via __format argument. | |
747 | iter_type | |
748 | _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io, | |
749 | ios_base::iostate& __err, tm* __tm, | |
750 | const _CharT* __format) const; | |
751 | }; | |
752 | ||
753 | template<typename _CharT, typename _InIter> | |
754 | locale::id time_get<_CharT, _InIter>::id; | |
755 | ||
756 | /// class time_get_byname [22.2.5.2]. | |
757 | template<typename _CharT, typename _InIter> | |
758 | class time_get_byname : public time_get<_CharT, _InIter> | |
759 | { | |
760 | public: | |
761 | // Types: | |
762 | typedef _CharT char_type; | |
763 | typedef _InIter iter_type; | |
764 | ||
765 | explicit | |
766 | time_get_byname(const char*, size_t __refs = 0) | |
767 | : time_get<_CharT, _InIter>(__refs) { } | |
768 | ||
769 | #if __cplusplus >= 201103L | |
770 | explicit | |
771 | time_get_byname(const string& __s, size_t __refs = 0) | |
772 | : time_get_byname(__s.c_str(), __refs) { } | |
773 | #endif | |
774 | ||
775 | protected: | |
776 | virtual | |
777 | ~time_get_byname() { } | |
778 | }; | |
779 | ||
780 | _GLIBCXX_END_NAMESPACE_CXX11 | |
781 | ||
782 | /** | |
783 | * @brief Primary class template time_put. | |
784 | * @ingroup locales | |
785 | * | |
786 | * This facet encapsulates the code to format and output dates and times | |
787 | * according to formats used by strftime(). | |
788 | * | |
789 | * The time_put template uses protected virtual functions to provide the | |
790 | * actual results. The public accessors forward the call to the virtual | |
791 | * functions. These virtual functions are hooks for developers to | |
792 | * implement the behavior they require from the time_put facet. | |
793 | */ | |
794 | template<typename _CharT, typename _OutIter> | |
795 | class time_put : public locale::facet | |
796 | { | |
797 | public: | |
798 | // Types: | |
799 | //@{ | |
800 | /// Public typedefs | |
801 | typedef _CharT char_type; | |
802 | typedef _OutIter iter_type; | |
803 | //@} | |
804 | ||
805 | /// Numpunct facet id. | |
806 | static locale::id id; | |
807 | ||
808 | /** | |
809 | * @brief Constructor performs initialization. | |
810 | * | |
811 | * This is the constructor provided by the standard. | |
812 | * | |
813 | * @param __refs Passed to the base facet class. | |
814 | */ | |
815 | explicit | |
816 | time_put(size_t __refs = 0) | |
817 | : facet(__refs) { } | |
818 | ||
819 | /** | |
820 | * @brief Format and output a time or date. | |
821 | * | |
822 | * This function formats the data in struct tm according to the | |
823 | * provided format string. The format string is interpreted as by | |
824 | * strftime(). | |
825 | * | |
826 | * @param __s The stream to write to. | |
827 | * @param __io Source of locale. | |
828 | * @param __fill char_type to use for padding. | |
829 | * @param __tm Struct tm with date and time info to format. | |
830 | * @param __beg Start of format string. | |
831 | * @param __end End of format string. | |
832 | * @return Iterator after writing. | |
833 | */ | |
834 | iter_type | |
835 | put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, | |
836 | const _CharT* __beg, const _CharT* __end) const; | |
837 | ||
838 | /** | |
839 | * @brief Format and output a time or date. | |
840 | * | |
841 | * This function formats the data in struct tm according to the | |
842 | * provided format char and optional modifier. The format and modifier | |
843 | * are interpreted as by strftime(). It does so by returning | |
844 | * time_put::do_put(). | |
845 | * | |
846 | * @param __s The stream to write to. | |
847 | * @param __io Source of locale. | |
848 | * @param __fill char_type to use for padding. | |
849 | * @param __tm Struct tm with date and time info to format. | |
850 | * @param __format Format char. | |
851 | * @param __mod Optional modifier char. | |
852 | * @return Iterator after writing. | |
853 | */ | |
854 | iter_type | |
855 | put(iter_type __s, ios_base& __io, char_type __fill, | |
856 | const tm* __tm, char __format, char __mod = 0) const | |
857 | { return this->do_put(__s, __io, __fill, __tm, __format, __mod); } | |
858 | ||
859 | protected: | |
860 | /// Destructor. | |
861 | virtual | |
862 | ~time_put() | |
863 | { } | |
864 | ||
865 | /** | |
866 | * @brief Format and output a time or date. | |
867 | * | |
868 | * This function formats the data in struct tm according to the | |
869 | * provided format char and optional modifier. This function is a hook | |
870 | * for derived classes to change the value returned. @see put() for | |
871 | * more details. | |
872 | * | |
873 | * @param __s The stream to write to. | |
874 | * @param __io Source of locale. | |
875 | * @param __fill char_type to use for padding. | |
876 | * @param __tm Struct tm with date and time info to format. | |
877 | * @param __format Format char. | |
878 | * @param __mod Optional modifier char. | |
879 | * @return Iterator after writing. | |
880 | */ | |
881 | virtual iter_type | |
882 | do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, | |
883 | char __format, char __mod) const; | |
884 | }; | |
885 | ||
886 | template<typename _CharT, typename _OutIter> | |
887 | locale::id time_put<_CharT, _OutIter>::id; | |
888 | ||
889 | /// class time_put_byname [22.2.5.4]. | |
890 | template<typename _CharT, typename _OutIter> | |
891 | class time_put_byname : public time_put<_CharT, _OutIter> | |
892 | { | |
893 | public: | |
894 | // Types: | |
895 | typedef _CharT char_type; | |
896 | typedef _OutIter iter_type; | |
897 | ||
898 | explicit | |
899 | time_put_byname(const char*, size_t __refs = 0) | |
900 | : time_put<_CharT, _OutIter>(__refs) | |
901 | { }; | |
902 | ||
903 | #if __cplusplus >= 201103L | |
904 | explicit | |
905 | time_put_byname(const string& __s, size_t __refs = 0) | |
906 | : time_put_byname(__s.c_str(), __refs) { } | |
907 | #endif | |
908 | ||
909 | protected: | |
910 | virtual | |
911 | ~time_put_byname() { } | |
912 | }; | |
913 | ||
914 | ||
915 | /** | |
916 | * @brief Money format ordering data. | |
917 | * @ingroup locales | |
918 | * | |
919 | * This class contains an ordered array of 4 fields to represent the | |
920 | * pattern for formatting a money amount. Each field may contain one entry | |
921 | * from the part enum. symbol, sign, and value must be present and the | |
922 | * remaining field must contain either none or space. @see | |
923 | * moneypunct::pos_format() and moneypunct::neg_format() for details of how | |
924 | * these fields are interpreted. | |
925 | */ | |
926 | class money_base | |
927 | { | |
928 | public: | |
929 | enum part { none, space, symbol, sign, value }; | |
930 | struct pattern { char field[4]; }; | |
931 | ||
932 | static const pattern _S_default_pattern; | |
933 | ||
934 | enum | |
935 | { | |
936 | _S_minus, | |
937 | _S_zero, | |
938 | _S_end = 11 | |
939 | }; | |
940 | ||
941 | // String literal of acceptable (narrow) input/output, for | |
942 | // money_get/money_put. "-0123456789" | |
943 | static const char* _S_atoms; | |
944 | ||
945 | // Construct and return valid pattern consisting of some combination of: | |
946 | // space none symbol sign value | |
947 | _GLIBCXX_CONST static pattern | |
948 | _S_construct_pattern(char __precedes, char __space, char __posn) throw (); | |
949 | }; | |
950 | ||
951 | template<typename _CharT, bool _Intl> | |
952 | struct __moneypunct_cache : public locale::facet | |
953 | { | |
954 | const char* _M_grouping; | |
955 | size_t _M_grouping_size; | |
956 | bool _M_use_grouping; | |
957 | _CharT _M_decimal_point; | |
958 | _CharT _M_thousands_sep; | |
959 | const _CharT* _M_curr_symbol; | |
960 | size_t _M_curr_symbol_size; | |
961 | const _CharT* _M_positive_sign; | |
962 | size_t _M_positive_sign_size; | |
963 | const _CharT* _M_negative_sign; | |
964 | size_t _M_negative_sign_size; | |
965 | int _M_frac_digits; | |
966 | money_base::pattern _M_pos_format; | |
967 | money_base::pattern _M_neg_format; | |
968 | ||
969 | // A list of valid numeric literals for input and output: in the standard | |
970 | // "C" locale, this is "-0123456789". This array contains the chars after | |
971 | // having been passed through the current locale's ctype<_CharT>.widen(). | |
972 | _CharT _M_atoms[money_base::_S_end]; | |
973 | ||
974 | bool _M_allocated; | |
975 | ||
976 | __moneypunct_cache(size_t __refs = 0) : facet(__refs), | |
977 | _M_grouping(0), _M_grouping_size(0), _M_use_grouping(false), | |
978 | _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()), | |
979 | _M_curr_symbol(0), _M_curr_symbol_size(0), | |
980 | _M_positive_sign(0), _M_positive_sign_size(0), | |
981 | _M_negative_sign(0), _M_negative_sign_size(0), | |
982 | _M_frac_digits(0), | |
983 | _M_pos_format(money_base::pattern()), | |
984 | _M_neg_format(money_base::pattern()), _M_allocated(false) | |
985 | { } | |
986 | ||
987 | ~__moneypunct_cache(); | |
988 | ||
989 | void | |
990 | _M_cache(const locale& __loc); | |
991 | ||
992 | private: | |
993 | __moneypunct_cache& | |
994 | operator=(const __moneypunct_cache&); | |
995 | ||
996 | explicit | |
997 | __moneypunct_cache(const __moneypunct_cache&); | |
998 | }; | |
999 | ||
1000 | template<typename _CharT, bool _Intl> | |
1001 | __moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache() | |
1002 | { | |
1003 | if (_M_allocated) | |
1004 | { | |
1005 | delete [] _M_grouping; | |
1006 | delete [] _M_curr_symbol; | |
1007 | delete [] _M_positive_sign; | |
1008 | delete [] _M_negative_sign; | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | _GLIBCXX_BEGIN_NAMESPACE_CXX11 | |
1013 | ||
1014 | /** | |
1015 | * @brief Primary class template moneypunct. | |
1016 | * @ingroup locales | |
1017 | * | |
1018 | * This facet encapsulates the punctuation, grouping and other formatting | |
1019 | * features of money amount string representations. | |
1020 | */ | |
1021 | template<typename _CharT, bool _Intl> | |
1022 | class moneypunct : public locale::facet, public money_base | |
1023 | { | |
1024 | public: | |
1025 | // Types: | |
1026 | //@{ | |
1027 | /// Public typedefs | |
1028 | typedef _CharT char_type; | |
1029 | typedef basic_string<_CharT> string_type; | |
1030 | //@} | |
1031 | typedef __moneypunct_cache<_CharT, _Intl> __cache_type; | |
1032 | ||
1033 | private: | |
1034 | __cache_type* _M_data; | |
1035 | ||
1036 | public: | |
1037 | /// This value is provided by the standard, but no reason for its | |
1038 | /// existence. | |
1039 | static const bool intl = _Intl; | |
1040 | /// Numpunct facet id. | |
1041 | static locale::id id; | |
1042 | ||
1043 | /** | |
1044 | * @brief Constructor performs initialization. | |
1045 | * | |
1046 | * This is the constructor provided by the standard. | |
1047 | * | |
1048 | * @param __refs Passed to the base facet class. | |
1049 | */ | |
1050 | explicit | |
1051 | moneypunct(size_t __refs = 0) | |
1052 | : facet(__refs), _M_data(0) | |
1053 | { _M_initialize_moneypunct(); } | |
1054 | ||
1055 | /** | |
1056 | * @brief Constructor performs initialization. | |
1057 | * | |
1058 | * This is an internal constructor. | |
1059 | * | |
1060 | * @param __cache Cache for optimization. | |
1061 | * @param __refs Passed to the base facet class. | |
1062 | */ | |
1063 | explicit | |
1064 | moneypunct(__cache_type* __cache, size_t __refs = 0) | |
1065 | : facet(__refs), _M_data(__cache) | |
1066 | { _M_initialize_moneypunct(); } | |
1067 | ||
1068 | /** | |
1069 | * @brief Internal constructor. Not for general use. | |
1070 | * | |
1071 | * This is a constructor for use by the library itself to set up new | |
1072 | * locales. | |
1073 | * | |
1074 | * @param __cloc The C locale. | |
1075 | * @param __s The name of a locale. | |
1076 | * @param __refs Passed to the base facet class. | |
1077 | */ | |
1078 | explicit | |
1079 | moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0) | |
1080 | : facet(__refs), _M_data(0) | |
1081 | { _M_initialize_moneypunct(__cloc, __s); } | |
1082 | ||
1083 | /** | |
1084 | * @brief Return decimal point character. | |
1085 | * | |
1086 | * This function returns a char_type to use as a decimal point. It | |
1087 | * does so by returning returning | |
1088 | * moneypunct<char_type>::do_decimal_point(). | |
1089 | * | |
1090 | * @return @a char_type representing a decimal point. | |
1091 | */ | |
1092 | char_type | |
1093 | decimal_point() const | |
1094 | { return this->do_decimal_point(); } | |
1095 | ||
1096 | /** | |
1097 | * @brief Return thousands separator character. | |
1098 | * | |
1099 | * This function returns a char_type to use as a thousands | |
1100 | * separator. It does so by returning returning | |
1101 | * moneypunct<char_type>::do_thousands_sep(). | |
1102 | * | |
1103 | * @return char_type representing a thousands separator. | |
1104 | */ | |
1105 | char_type | |
1106 | thousands_sep() const | |
1107 | { return this->do_thousands_sep(); } | |
1108 | ||
1109 | /** | |
1110 | * @brief Return grouping specification. | |
1111 | * | |
1112 | * This function returns a string representing groupings for the | |
1113 | * integer part of an amount. Groupings indicate where thousands | |
1114 | * separators should be inserted. | |
1115 | * | |
1116 | * Each char in the return string is interpret as an integer rather | |
1117 | * than a character. These numbers represent the number of digits in a | |
1118 | * group. The first char in the string represents the number of digits | |
1119 | * in the least significant group. If a char is negative, it indicates | |
1120 | * an unlimited number of digits for the group. If more chars from the | |
1121 | * string are required to group a number, the last char is used | |
1122 | * repeatedly. | |
1123 | * | |
1124 | * For example, if the grouping() returns <code>\003\002</code> | |
1125 | * and is applied to the number 123456789, this corresponds to | |
1126 | * 12,34,56,789. Note that if the string was <code>32</code>, this would | |
1127 | * put more than 50 digits into the least significant group if | |
1128 | * the character set is ASCII. | |
1129 | * | |
1130 | * The string is returned by calling | |
1131 | * moneypunct<char_type>::do_grouping(). | |
1132 | * | |
1133 | * @return string representing grouping specification. | |
1134 | */ | |
1135 | string | |
1136 | grouping() const | |
1137 | { return this->do_grouping(); } | |
1138 | ||
1139 | /** | |
1140 | * @brief Return currency symbol string. | |
1141 | * | |
1142 | * This function returns a string_type to use as a currency symbol. It | |
1143 | * does so by returning returning | |
1144 | * moneypunct<char_type>::do_curr_symbol(). | |
1145 | * | |
1146 | * @return @a string_type representing a currency symbol. | |
1147 | */ | |
1148 | string_type | |
1149 | curr_symbol() const | |
1150 | { return this->do_curr_symbol(); } | |
1151 | ||
1152 | /** | |
1153 | * @brief Return positive sign string. | |
1154 | * | |
1155 | * This function returns a string_type to use as a sign for positive | |
1156 | * amounts. It does so by returning returning | |
1157 | * moneypunct<char_type>::do_positive_sign(). | |
1158 | * | |
1159 | * If the return value contains more than one character, the first | |
1160 | * character appears in the position indicated by pos_format() and the | |
1161 | * remainder appear at the end of the formatted string. | |
1162 | * | |
1163 | * @return @a string_type representing a positive sign. | |
1164 | */ | |
1165 | string_type | |
1166 | positive_sign() const | |
1167 | { return this->do_positive_sign(); } | |
1168 | ||
1169 | /** | |
1170 | * @brief Return negative sign string. | |
1171 | * | |
1172 | * This function returns a string_type to use as a sign for negative | |
1173 | * amounts. It does so by returning returning | |
1174 | * moneypunct<char_type>::do_negative_sign(). | |
1175 | * | |
1176 | * If the return value contains more than one character, the first | |
1177 | * character appears in the position indicated by neg_format() and the | |
1178 | * remainder appear at the end of the formatted string. | |
1179 | * | |
1180 | * @return @a string_type representing a negative sign. | |
1181 | */ | |
1182 | string_type | |
1183 | negative_sign() const | |
1184 | { return this->do_negative_sign(); } | |
1185 | ||
1186 | /** | |
1187 | * @brief Return number of digits in fraction. | |
1188 | * | |
1189 | * This function returns the exact number of digits that make up the | |
1190 | * fractional part of a money amount. It does so by returning | |
1191 | * returning moneypunct<char_type>::do_frac_digits(). | |
1192 | * | |
1193 | * The fractional part of a money amount is optional. But if it is | |
1194 | * present, there must be frac_digits() digits. | |
1195 | * | |
1196 | * @return Number of digits in amount fraction. | |
1197 | */ | |
1198 | int | |
1199 | frac_digits() const | |
1200 | { return this->do_frac_digits(); } | |
1201 | ||
1202 | //@{ | |
1203 | /** | |
1204 | * @brief Return pattern for money values. | |
1205 | * | |
1206 | * This function returns a pattern describing the formatting of a | |
1207 | * positive or negative valued money amount. It does so by returning | |
1208 | * returning moneypunct<char_type>::do_pos_format() or | |
1209 | * moneypunct<char_type>::do_neg_format(). | |
1210 | * | |
1211 | * The pattern has 4 fields describing the ordering of symbol, sign, | |
1212 | * value, and none or space. There must be one of each in the pattern. | |
1213 | * The none and space enums may not appear in the first field and space | |
1214 | * may not appear in the final field. | |
1215 | * | |
1216 | * The parts of a money string must appear in the order indicated by | |
1217 | * the fields of the pattern. The symbol field indicates that the | |
1218 | * value of curr_symbol() may be present. The sign field indicates | |
1219 | * that the value of positive_sign() or negative_sign() must be | |
1220 | * present. The value field indicates that the absolute value of the | |
1221 | * money amount is present. none indicates 0 or more whitespace | |
1222 | * characters, except at the end, where it permits no whitespace. | |
1223 | * space indicates that 1 or more whitespace characters must be | |
1224 | * present. | |
1225 | * | |
1226 | * For example, for the US locale and pos_format() pattern | |
1227 | * {symbol,sign,value,none}, curr_symbol() == '$' | |
1228 | * positive_sign() == '+', and value 10.01, and | |
1229 | * options set to force the symbol, the corresponding string is | |
1230 | * <code>$+10.01</code>. | |
1231 | * | |
1232 | * @return Pattern for money values. | |
1233 | */ | |
1234 | pattern | |
1235 | pos_format() const | |
1236 | { return this->do_pos_format(); } | |
1237 | ||
1238 | pattern | |
1239 | neg_format() const | |
1240 | { return this->do_neg_format(); } | |
1241 | //@} | |
1242 | ||
1243 | protected: | |
1244 | /// Destructor. | |
1245 | virtual | |
1246 | ~moneypunct(); | |
1247 | ||
1248 | /** | |
1249 | * @brief Return decimal point character. | |
1250 | * | |
1251 | * Returns a char_type to use as a decimal point. This function is a | |
1252 | * hook for derived classes to change the value returned. | |
1253 | * | |
1254 | * @return @a char_type representing a decimal point. | |
1255 | */ | |
1256 | virtual char_type | |
1257 | do_decimal_point() const | |
1258 | { return _M_data->_M_decimal_point; } | |
1259 | ||
1260 | /** | |
1261 | * @brief Return thousands separator character. | |
1262 | * | |
1263 | * Returns a char_type to use as a thousands separator. This function | |
1264 | * is a hook for derived classes to change the value returned. | |
1265 | * | |
1266 | * @return @a char_type representing a thousands separator. | |
1267 | */ | |
1268 | virtual char_type | |
1269 | do_thousands_sep() const | |
1270 | { return _M_data->_M_thousands_sep; } | |
1271 | ||
1272 | /** | |
1273 | * @brief Return grouping specification. | |
1274 | * | |
1275 | * Returns a string representing groupings for the integer part of a | |
1276 | * number. This function is a hook for derived classes to change the | |
1277 | * value returned. @see grouping() for details. | |
1278 | * | |
1279 | * @return String representing grouping specification. | |
1280 | */ | |
1281 | virtual string | |
1282 | do_grouping() const | |
1283 | { return _M_data->_M_grouping; } | |
1284 | ||
1285 | /** | |
1286 | * @brief Return currency symbol string. | |
1287 | * | |
1288 | * This function returns a string_type to use as a currency symbol. | |
1289 | * This function is a hook for derived classes to change the value | |
1290 | * returned. @see curr_symbol() for details. | |
1291 | * | |
1292 | * @return @a string_type representing a currency symbol. | |
1293 | */ | |
1294 | virtual string_type | |
1295 | do_curr_symbol() const | |
1296 | { return _M_data->_M_curr_symbol; } | |
1297 | ||
1298 | /** | |
1299 | * @brief Return positive sign string. | |
1300 | * | |
1301 | * This function returns a string_type to use as a sign for positive | |
1302 | * amounts. This function is a hook for derived classes to change the | |
1303 | * value returned. @see positive_sign() for details. | |
1304 | * | |
1305 | * @return @a string_type representing a positive sign. | |
1306 | */ | |
1307 | virtual string_type | |
1308 | do_positive_sign() const | |
1309 | { return _M_data->_M_positive_sign; } | |
1310 | ||
1311 | /** | |
1312 | * @brief Return negative sign string. | |
1313 | * | |
1314 | * This function returns a string_type to use as a sign for negative | |
1315 | * amounts. This function is a hook for derived classes to change the | |
1316 | * value returned. @see negative_sign() for details. | |
1317 | * | |
1318 | * @return @a string_type representing a negative sign. | |
1319 | */ | |
1320 | virtual string_type | |
1321 | do_negative_sign() const | |
1322 | { return _M_data->_M_negative_sign; } | |
1323 | ||
1324 | /** | |
1325 | * @brief Return number of digits in fraction. | |
1326 | * | |
1327 | * This function returns the exact number of digits that make up the | |
1328 | * fractional part of a money amount. This function is a hook for | |
1329 | * derived classes to change the value returned. @see frac_digits() | |
1330 | * for details. | |
1331 | * | |
1332 | * @return Number of digits in amount fraction. | |
1333 | */ | |
1334 | virtual int | |
1335 | do_frac_digits() const | |
1336 | { return _M_data->_M_frac_digits; } | |
1337 | ||
1338 | /** | |
1339 | * @brief Return pattern for money values. | |
1340 | * | |
1341 | * This function returns a pattern describing the formatting of a | |
1342 | * positive valued money amount. This function is a hook for derived | |
1343 | * classes to change the value returned. @see pos_format() for | |
1344 | * details. | |
1345 | * | |
1346 | * @return Pattern for money values. | |
1347 | */ | |
1348 | virtual pattern | |
1349 | do_pos_format() const | |
1350 | { return _M_data->_M_pos_format; } | |
1351 | ||
1352 | /** | |
1353 | * @brief Return pattern for money values. | |
1354 | * | |
1355 | * This function returns a pattern describing the formatting of a | |
1356 | * negative valued money amount. This function is a hook for derived | |
1357 | * classes to change the value returned. @see neg_format() for | |
1358 | * details. | |
1359 | * | |
1360 | * @return Pattern for money values. | |
1361 | */ | |
1362 | virtual pattern | |
1363 | do_neg_format() const | |
1364 | { return _M_data->_M_neg_format; } | |
1365 | ||
1366 | // For use at construction time only. | |
1367 | void | |
1368 | _M_initialize_moneypunct(__c_locale __cloc = 0, | |
1369 | const char* __name = 0); | |
1370 | }; | |
1371 | ||
1372 | template<typename _CharT, bool _Intl> | |
1373 | locale::id moneypunct<_CharT, _Intl>::id; | |
1374 | ||
1375 | template<typename _CharT, bool _Intl> | |
1376 | const bool moneypunct<_CharT, _Intl>::intl; | |
1377 | ||
1378 | template<> | |
1379 | moneypunct<char, true>::~moneypunct(); | |
1380 | ||
1381 | template<> | |
1382 | moneypunct<char, false>::~moneypunct(); | |
1383 | ||
1384 | template<> | |
1385 | void | |
1386 | moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*); | |
1387 | ||
1388 | template<> | |
1389 | void | |
1390 | moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*); | |
1391 | ||
1392 | #ifdef _GLIBCXX_USE_WCHAR_T | |
1393 | template<> | |
1394 | moneypunct<wchar_t, true>::~moneypunct(); | |
1395 | ||
1396 | template<> | |
1397 | moneypunct<wchar_t, false>::~moneypunct(); | |
1398 | ||
1399 | template<> | |
1400 | void | |
1401 | moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale, | |
1402 | const char*); | |
1403 | ||
1404 | template<> | |
1405 | void | |
1406 | moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale, | |
1407 | const char*); | |
1408 | #endif | |
1409 | ||
1410 | /// class moneypunct_byname [22.2.6.4]. | |
1411 | template<typename _CharT, bool _Intl> | |
1412 | class moneypunct_byname : public moneypunct<_CharT, _Intl> | |
1413 | { | |
1414 | public: | |
1415 | typedef _CharT char_type; | |
1416 | typedef basic_string<_CharT> string_type; | |
1417 | ||
1418 | static const bool intl = _Intl; | |
1419 | ||
1420 | explicit | |
1421 | moneypunct_byname(const char* __s, size_t __refs = 0) | |
1422 | : moneypunct<_CharT, _Intl>(__refs) | |
1423 | { | |
1424 | if (__builtin_strcmp(__s, "C") != 0 | |
1425 | && __builtin_strcmp(__s, "POSIX") != 0) | |
1426 | { | |
1427 | __c_locale __tmp; | |
1428 | this->_S_create_c_locale(__tmp, __s); | |
1429 | this->_M_initialize_moneypunct(__tmp); | |
1430 | this->_S_destroy_c_locale(__tmp); | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | #if __cplusplus >= 201103L | |
1435 | explicit | |
1436 | moneypunct_byname(const string& __s, size_t __refs = 0) | |
1437 | : moneypunct_byname(__s.c_str(), __refs) { } | |
1438 | #endif | |
1439 | ||
1440 | protected: | |
1441 | virtual | |
1442 | ~moneypunct_byname() { } | |
1443 | }; | |
1444 | ||
1445 | template<typename _CharT, bool _Intl> | |
1446 | const bool moneypunct_byname<_CharT, _Intl>::intl; | |
1447 | ||
1448 | _GLIBCXX_END_NAMESPACE_CXX11 | |
1449 | ||
1450 | _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 | |
1451 | ||
1452 | /** | |
1453 | * @brief Primary class template money_get. | |
1454 | * @ingroup locales | |
1455 | * | |
1456 | * This facet encapsulates the code to parse and return a monetary | |
1457 | * amount from a string. | |
1458 | * | |
1459 | * The money_get template uses protected virtual functions to | |
1460 | * provide the actual results. The public accessors forward the | |
1461 | * call to the virtual functions. These virtual functions are | |
1462 | * hooks for developers to implement the behavior they require from | |
1463 | * the money_get facet. | |
1464 | */ | |
1465 | template<typename _CharT, typename _InIter> | |
1466 | class money_get : public locale::facet | |
1467 | { | |
1468 | public: | |
1469 | // Types: | |
1470 | //@{ | |
1471 | /// Public typedefs | |
1472 | typedef _CharT char_type; | |
1473 | typedef _InIter iter_type; | |
1474 | typedef basic_string<_CharT> string_type; | |
1475 | //@} | |
1476 | ||
1477 | /// Numpunct facet id. | |
1478 | static locale::id id; | |
1479 | ||
1480 | /** | |
1481 | * @brief Constructor performs initialization. | |
1482 | * | |
1483 | * This is the constructor provided by the standard. | |
1484 | * | |
1485 | * @param __refs Passed to the base facet class. | |
1486 | */ | |
1487 | explicit | |
1488 | money_get(size_t __refs = 0) : facet(__refs) { } | |
1489 | ||
1490 | /** | |
1491 | * @brief Read and parse a monetary value. | |
1492 | * | |
1493 | * This function reads characters from @a __s, interprets them as a | |
1494 | * monetary value according to moneypunct and ctype facets retrieved | |
1495 | * from io.getloc(), and returns the result in @a units as an integral | |
1496 | * value moneypunct::frac_digits() * the actual amount. For example, | |
1497 | * the string $10.01 in a US locale would store 1001 in @a units. | |
1498 | * | |
1499 | * Any characters not part of a valid money amount are not consumed. | |
1500 | * | |
1501 | * If a money value cannot be parsed from the input stream, sets | |
1502 | * err=(err|io.failbit). If the stream is consumed before finishing | |
1503 | * parsing, sets err=(err|io.failbit|io.eofbit). @a units is | |
1504 | * unchanged if parsing fails. | |
1505 | * | |
1506 | * This function works by returning the result of do_get(). | |
1507 | * | |
1508 | * @param __s Start of characters to parse. | |
1509 | * @param __end End of characters to parse. | |
1510 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1511 | * @param __io Source of facets and io state. | |
1512 | * @param __err Error field to set if parsing fails. | |
1513 | * @param __units Place to store result of parsing. | |
1514 | * @return Iterator referencing first character beyond valid money | |
1515 | * amount. | |
1516 | */ | |
1517 | iter_type | |
1518 | get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1519 | ios_base::iostate& __err, long double& __units) const | |
1520 | { return this->do_get(__s, __end, __intl, __io, __err, __units); } | |
1521 | ||
1522 | /** | |
1523 | * @brief Read and parse a monetary value. | |
1524 | * | |
1525 | * This function reads characters from @a __s, interprets them as | |
1526 | * a monetary value according to moneypunct and ctype facets | |
1527 | * retrieved from io.getloc(), and returns the result in @a | |
1528 | * digits. For example, the string $10.01 in a US locale would | |
1529 | * store <code>1001</code> in @a digits. | |
1530 | * | |
1531 | * Any characters not part of a valid money amount are not consumed. | |
1532 | * | |
1533 | * If a money value cannot be parsed from the input stream, sets | |
1534 | * err=(err|io.failbit). If the stream is consumed before finishing | |
1535 | * parsing, sets err=(err|io.failbit|io.eofbit). | |
1536 | * | |
1537 | * This function works by returning the result of do_get(). | |
1538 | * | |
1539 | * @param __s Start of characters to parse. | |
1540 | * @param __end End of characters to parse. | |
1541 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1542 | * @param __io Source of facets and io state. | |
1543 | * @param __err Error field to set if parsing fails. | |
1544 | * @param __digits Place to store result of parsing. | |
1545 | * @return Iterator referencing first character beyond valid money | |
1546 | * amount. | |
1547 | */ | |
1548 | iter_type | |
1549 | get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1550 | ios_base::iostate& __err, string_type& __digits) const | |
1551 | { return this->do_get(__s, __end, __intl, __io, __err, __digits); } | |
1552 | ||
1553 | protected: | |
1554 | /// Destructor. | |
1555 | virtual | |
1556 | ~money_get() { } | |
1557 | ||
1558 | /** | |
1559 | * @brief Read and parse a monetary value. | |
1560 | * | |
1561 | * This function reads and parses characters representing a monetary | |
1562 | * value. This function is a hook for derived classes to change the | |
1563 | * value returned. @see get() for details. | |
1564 | */ | |
1565 | // XXX GLIBCXX_ABI Deprecated | |
1566 | #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ | |
1567 | && _GLIBCXX_USE_CXX11_ABI == 0 | |
1568 | virtual iter_type | |
1569 | __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1570 | ios_base::iostate& __err, double& __units) const; | |
1571 | #else | |
1572 | virtual iter_type | |
1573 | do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1574 | ios_base::iostate& __err, long double& __units) const; | |
1575 | #endif | |
1576 | ||
1577 | /** | |
1578 | * @brief Read and parse a monetary value. | |
1579 | * | |
1580 | * This function reads and parses characters representing a monetary | |
1581 | * value. This function is a hook for derived classes to change the | |
1582 | * value returned. @see get() for details. | |
1583 | */ | |
1584 | virtual iter_type | |
1585 | do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1586 | ios_base::iostate& __err, string_type& __digits) const; | |
1587 | ||
1588 | // XXX GLIBCXX_ABI Deprecated | |
1589 | #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ | |
1590 | && _GLIBCXX_USE_CXX11_ABI == 0 | |
1591 | virtual iter_type | |
1592 | do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
1593 | ios_base::iostate& __err, long double& __units) const; | |
1594 | #endif | |
1595 | ||
1596 | template<bool _Intl> | |
1597 | iter_type | |
1598 | _M_extract(iter_type __s, iter_type __end, ios_base& __io, | |
1599 | ios_base::iostate& __err, string& __digits) const; | |
1600 | }; | |
1601 | ||
1602 | template<typename _CharT, typename _InIter> | |
1603 | locale::id money_get<_CharT, _InIter>::id; | |
1604 | ||
1605 | /** | |
1606 | * @brief Primary class template money_put. | |
1607 | * @ingroup locales | |
1608 | * | |
1609 | * This facet encapsulates the code to format and output a monetary | |
1610 | * amount. | |
1611 | * | |
1612 | * The money_put template uses protected virtual functions to | |
1613 | * provide the actual results. The public accessors forward the | |
1614 | * call to the virtual functions. These virtual functions are | |
1615 | * hooks for developers to implement the behavior they require from | |
1616 | * the money_put facet. | |
1617 | */ | |
1618 | template<typename _CharT, typename _OutIter> | |
1619 | class money_put : public locale::facet | |
1620 | { | |
1621 | public: | |
1622 | //@{ | |
1623 | /// Public typedefs | |
1624 | typedef _CharT char_type; | |
1625 | typedef _OutIter iter_type; | |
1626 | typedef basic_string<_CharT> string_type; | |
1627 | //@} | |
1628 | ||
1629 | /// Numpunct facet id. | |
1630 | static locale::id id; | |
1631 | ||
1632 | /** | |
1633 | * @brief Constructor performs initialization. | |
1634 | * | |
1635 | * This is the constructor provided by the standard. | |
1636 | * | |
1637 | * @param __refs Passed to the base facet class. | |
1638 | */ | |
1639 | explicit | |
1640 | money_put(size_t __refs = 0) : facet(__refs) { } | |
1641 | ||
1642 | /** | |
1643 | * @brief Format and output a monetary value. | |
1644 | * | |
1645 | * This function formats @a units as a monetary value according to | |
1646 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
1647 | * the resulting characters to @a __s. For example, the value 1001 in a | |
1648 | * US locale would write <code>$10.01</code> to @a __s. | |
1649 | * | |
1650 | * This function works by returning the result of do_put(). | |
1651 | * | |
1652 | * @param __s The stream to write to. | |
1653 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1654 | * @param __io Source of facets and io state. | |
1655 | * @param __fill char_type to use for padding. | |
1656 | * @param __units Place to store result of parsing. | |
1657 | * @return Iterator after writing. | |
1658 | */ | |
1659 | iter_type | |
1660 | put(iter_type __s, bool __intl, ios_base& __io, | |
1661 | char_type __fill, long double __units) const | |
1662 | { return this->do_put(__s, __intl, __io, __fill, __units); } | |
1663 | ||
1664 | /** | |
1665 | * @brief Format and output a monetary value. | |
1666 | * | |
1667 | * This function formats @a digits as a monetary value | |
1668 | * according to moneypunct and ctype facets retrieved from | |
1669 | * io.getloc(), and writes the resulting characters to @a __s. | |
1670 | * For example, the string <code>1001</code> in a US locale | |
1671 | * would write <code>$10.01</code> to @a __s. | |
1672 | * | |
1673 | * This function works by returning the result of do_put(). | |
1674 | * | |
1675 | * @param __s The stream to write to. | |
1676 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1677 | * @param __io Source of facets and io state. | |
1678 | * @param __fill char_type to use for padding. | |
1679 | * @param __digits Place to store result of parsing. | |
1680 | * @return Iterator after writing. | |
1681 | */ | |
1682 | iter_type | |
1683 | put(iter_type __s, bool __intl, ios_base& __io, | |
1684 | char_type __fill, const string_type& __digits) const | |
1685 | { return this->do_put(__s, __intl, __io, __fill, __digits); } | |
1686 | ||
1687 | protected: | |
1688 | /// Destructor. | |
1689 | virtual | |
1690 | ~money_put() { } | |
1691 | ||
1692 | /** | |
1693 | * @brief Format and output a monetary value. | |
1694 | * | |
1695 | * This function formats @a units as a monetary value according to | |
1696 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
1697 | * the resulting characters to @a __s. For example, the value 1001 in a | |
1698 | * US locale would write <code>$10.01</code> to @a __s. | |
1699 | * | |
1700 | * This function is a hook for derived classes to change the value | |
1701 | * returned. @see put(). | |
1702 | * | |
1703 | * @param __s The stream to write to. | |
1704 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1705 | * @param __io Source of facets and io state. | |
1706 | * @param __fill char_type to use for padding. | |
1707 | * @param __units Place to store result of parsing. | |
1708 | * @return Iterator after writing. | |
1709 | */ | |
1710 | // XXX GLIBCXX_ABI Deprecated | |
1711 | #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ | |
1712 | && _GLIBCXX_USE_CXX11_ABI == 0 | |
1713 | virtual iter_type | |
1714 | __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1715 | double __units) const; | |
1716 | #else | |
1717 | virtual iter_type | |
1718 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1719 | long double __units) const; | |
1720 | #endif | |
1721 | ||
1722 | /** | |
1723 | * @brief Format and output a monetary value. | |
1724 | * | |
1725 | * This function formats @a digits as a monetary value | |
1726 | * according to moneypunct and ctype facets retrieved from | |
1727 | * io.getloc(), and writes the resulting characters to @a __s. | |
1728 | * For example, the string <code>1001</code> in a US locale | |
1729 | * would write <code>$10.01</code> to @a __s. | |
1730 | * | |
1731 | * This function is a hook for derived classes to change the value | |
1732 | * returned. @see put(). | |
1733 | * | |
1734 | * @param __s The stream to write to. | |
1735 | * @param __intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
1736 | * @param __io Source of facets and io state. | |
1737 | * @param __fill char_type to use for padding. | |
1738 | * @param __digits Place to store result of parsing. | |
1739 | * @return Iterator after writing. | |
1740 | */ | |
1741 | virtual iter_type | |
1742 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1743 | const string_type& __digits) const; | |
1744 | ||
1745 | // XXX GLIBCXX_ABI Deprecated | |
1746 | #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ | |
1747 | && _GLIBCXX_USE_CXX11_ABI == 0 | |
1748 | virtual iter_type | |
1749 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1750 | long double __units) const; | |
1751 | #endif | |
1752 | ||
1753 | template<bool _Intl> | |
1754 | iter_type | |
1755 | _M_insert(iter_type __s, ios_base& __io, char_type __fill, | |
1756 | const string_type& __digits) const; | |
1757 | }; | |
1758 | ||
1759 | template<typename _CharT, typename _OutIter> | |
1760 | locale::id money_put<_CharT, _OutIter>::id; | |
1761 | ||
1762 | _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 | |
1763 | ||
1764 | /** | |
1765 | * @brief Messages facet base class providing catalog typedef. | |
1766 | * @ingroup locales | |
1767 | */ | |
1768 | struct messages_base | |
1769 | { | |
1770 | typedef int catalog; | |
1771 | }; | |
1772 | ||
1773 | _GLIBCXX_BEGIN_NAMESPACE_CXX11 | |
1774 | ||
1775 | /** | |
1776 | * @brief Primary class template messages. | |
1777 | * @ingroup locales | |
1778 | * | |
1779 | * This facet encapsulates the code to retrieve messages from | |
1780 | * message catalogs. The only thing defined by the standard for this facet | |
1781 | * is the interface. All underlying functionality is | |
1782 | * implementation-defined. | |
1783 | * | |
1784 | * This library currently implements 3 versions of the message facet. The | |
1785 | * first version (gnu) is a wrapper around gettext, provided by libintl. | |
1786 | * The second version (ieee) is a wrapper around catgets. The final | |
1787 | * version (default) does no actual translation. These implementations are | |
1788 | * only provided for char and wchar_t instantiations. | |
1789 | * | |
1790 | * The messages template uses protected virtual functions to | |
1791 | * provide the actual results. The public accessors forward the | |
1792 | * call to the virtual functions. These virtual functions are | |
1793 | * hooks for developers to implement the behavior they require from | |
1794 | * the messages facet. | |
1795 | */ | |
1796 | template<typename _CharT> | |
1797 | class messages : public locale::facet, public messages_base | |
1798 | { | |
1799 | public: | |
1800 | // Types: | |
1801 | //@{ | |
1802 | /// Public typedefs | |
1803 | typedef _CharT char_type; | |
1804 | typedef basic_string<_CharT> string_type; | |
1805 | //@} | |
1806 | ||
1807 | protected: | |
1808 | // Underlying "C" library locale information saved from | |
1809 | // initialization, needed by messages_byname as well. | |
1810 | __c_locale _M_c_locale_messages; | |
1811 | const char* _M_name_messages; | |
1812 | ||
1813 | public: | |
1814 | /// Numpunct facet id. | |
1815 | static locale::id id; | |
1816 | ||
1817 | /** | |
1818 | * @brief Constructor performs initialization. | |
1819 | * | |
1820 | * This is the constructor provided by the standard. | |
1821 | * | |
1822 | * @param __refs Passed to the base facet class. | |
1823 | */ | |
1824 | explicit | |
1825 | messages(size_t __refs = 0); | |
1826 | ||
1827 | // Non-standard. | |
1828 | /** | |
1829 | * @brief Internal constructor. Not for general use. | |
1830 | * | |
1831 | * This is a constructor for use by the library itself to set up new | |
1832 | * locales. | |
1833 | * | |
1834 | * @param __cloc The C locale. | |
1835 | * @param __s The name of a locale. | |
1836 | * @param __refs Refcount to pass to the base class. | |
1837 | */ | |
1838 | explicit | |
1839 | messages(__c_locale __cloc, const char* __s, size_t __refs = 0); | |
1840 | ||
1841 | /* | |
1842 | * @brief Open a message catalog. | |
1843 | * | |
1844 | * This function opens and returns a handle to a message catalog by | |
1845 | * returning do_open(__s, __loc). | |
1846 | * | |
1847 | * @param __s The catalog to open. | |
1848 | * @param __loc Locale to use for character set conversions. | |
1849 | * @return Handle to the catalog or value < 0 if open fails. | |
1850 | */ | |
1851 | catalog | |
1852 | open(const basic_string<char>& __s, const locale& __loc) const | |
1853 | { return this->do_open(__s, __loc); } | |
1854 | ||
1855 | // Non-standard and unorthodox, yet effective. | |
1856 | /* | |
1857 | * @brief Open a message catalog. | |
1858 | * | |
1859 | * This non-standard function opens and returns a handle to a message | |
1860 | * catalog by returning do_open(s, loc). The third argument provides a | |
1861 | * message catalog root directory for gnu gettext and is ignored | |
1862 | * otherwise. | |
1863 | * | |
1864 | * @param __s The catalog to open. | |
1865 | * @param __loc Locale to use for character set conversions. | |
1866 | * @param __dir Message catalog root directory. | |
1867 | * @return Handle to the catalog or value < 0 if open fails. | |
1868 | */ | |
1869 | catalog | |
1870 | open(const basic_string<char>&, const locale&, const char*) const; | |
1871 | ||
1872 | /* | |
1873 | * @brief Look up a string in a message catalog. | |
1874 | * | |
1875 | * This function retrieves and returns a message from a catalog by | |
1876 | * returning do_get(c, set, msgid, s). | |
1877 | * | |
1878 | * For gnu, @a __set and @a msgid are ignored. Returns gettext(s). | |
1879 | * For default, returns s. For ieee, returns catgets(c,set,msgid,s). | |
1880 | * | |
1881 | * @param __c The catalog to access. | |
1882 | * @param __set Implementation-defined. | |
1883 | * @param __msgid Implementation-defined. | |
1884 | * @param __s Default return value if retrieval fails. | |
1885 | * @return Retrieved message or @a __s if get fails. | |
1886 | */ | |
1887 | string_type | |
1888 | get(catalog __c, int __set, int __msgid, const string_type& __s) const | |
1889 | { return this->do_get(__c, __set, __msgid, __s); } | |
1890 | ||
1891 | /* | |
1892 | * @brief Close a message catalog. | |
1893 | * | |
1894 | * Closes catalog @a c by calling do_close(c). | |
1895 | * | |
1896 | * @param __c The catalog to close. | |
1897 | */ | |
1898 | void | |
1899 | close(catalog __c) const | |
1900 | { return this->do_close(__c); } | |
1901 | ||
1902 | protected: | |
1903 | /// Destructor. | |
1904 | virtual | |
1905 | ~messages(); | |
1906 | ||
1907 | /* | |
1908 | * @brief Open a message catalog. | |
1909 | * | |
1910 | * This function opens and returns a handle to a message catalog in an | |
1911 | * implementation-defined manner. This function is a hook for derived | |
1912 | * classes to change the value returned. | |
1913 | * | |
1914 | * @param __s The catalog to open. | |
1915 | * @param __loc Locale to use for character set conversions. | |
1916 | * @return Handle to the opened catalog, value < 0 if open failed. | |
1917 | */ | |
1918 | virtual catalog | |
1919 | do_open(const basic_string<char>&, const locale&) const; | |
1920 | ||
1921 | /* | |
1922 | * @brief Look up a string in a message catalog. | |
1923 | * | |
1924 | * This function retrieves and returns a message from a catalog in an | |
1925 | * implementation-defined manner. This function is a hook for derived | |
1926 | * classes to change the value returned. | |
1927 | * | |
1928 | * For gnu, @a __set and @a __msgid are ignored. Returns gettext(s). | |
1929 | * For default, returns s. For ieee, returns catgets(c,set,msgid,s). | |
1930 | * | |
1931 | * @param __c The catalog to access. | |
1932 | * @param __set Implementation-defined. | |
1933 | * @param __msgid Implementation-defined. | |
1934 | * @param __s Default return value if retrieval fails. | |
1935 | * @return Retrieved message or @a __s if get fails. | |
1936 | */ | |
1937 | virtual string_type | |
1938 | do_get(catalog, int, int, const string_type& __dfault) const; | |
1939 | ||
1940 | /* | |
1941 | * @brief Close a message catalog. | |
1942 | * | |
1943 | * @param __c The catalog to close. | |
1944 | */ | |
1945 | virtual void | |
1946 | do_close(catalog) const; | |
1947 | ||
1948 | // Returns a locale and codeset-converted string, given a char* message. | |
1949 | char* | |
1950 | _M_convert_to_char(const string_type& __msg) const | |
1951 | { | |
1952 | // XXX | |
1953 | return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str())); | |
1954 | } | |
1955 | ||
1956 | // Returns a locale and codeset-converted string, given a char* message. | |
1957 | string_type | |
1958 | _M_convert_from_char(char*) const | |
1959 | { | |
1960 | // XXX | |
1961 | return string_type(); | |
1962 | } | |
1963 | }; | |
1964 | ||
1965 | template<typename _CharT> | |
1966 | locale::id messages<_CharT>::id; | |
1967 | ||
1968 | /// Specializations for required instantiations. | |
1969 | template<> | |
1970 | string | |
1971 | messages<char>::do_get(catalog, int, int, const string&) const; | |
1972 | ||
1973 | #ifdef _GLIBCXX_USE_WCHAR_T | |
1974 | template<> | |
1975 | wstring | |
1976 | messages<wchar_t>::do_get(catalog, int, int, const wstring&) const; | |
1977 | #endif | |
1978 | ||
1979 | /// class messages_byname [22.2.7.2]. | |
1980 | template<typename _CharT> | |
1981 | class messages_byname : public messages<_CharT> | |
1982 | { | |
1983 | public: | |
1984 | typedef _CharT char_type; | |
1985 | typedef basic_string<_CharT> string_type; | |
1986 | ||
1987 | explicit | |
1988 | messages_byname(const char* __s, size_t __refs = 0); | |
1989 | ||
1990 | #if __cplusplus >= 201103L | |
1991 | explicit | |
1992 | messages_byname(const string& __s, size_t __refs = 0) | |
1993 | : messages_byname(__s.c_str(), __refs) { } | |
1994 | #endif | |
1995 | ||
1996 | protected: | |
1997 | virtual | |
1998 | ~messages_byname() | |
1999 | { } | |
2000 | }; | |
2001 | ||
2002 | _GLIBCXX_END_NAMESPACE_CXX11 | |
2003 | ||
2004 | _GLIBCXX_END_NAMESPACE_VERSION | |
2005 | } // namespace | |
2006 | ||
2007 | // Include host and configuration specific messages functions. | |
2008 | #include <bits/messages_members.h> | |
2009 | ||
2010 | // 22.2.1.5 Template class codecvt | |
2011 | #include <bits/codecvt.h> | |
2012 | ||
2013 | #include <bits/locale_facets_nonio.tcc> | |
2014 | ||
2015 | #endif |