| 1 | #ifndef _DATE_TIME_DATE_FACET__HPP___ |
| 2 | #define _DATE_TIME_DATE_FACET__HPP___ |
| 3 | |
| 4 | /* Copyright (c) 2004-2005 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: Martin Andrian, Jeff Garland, Bart Garst |
| 9 | * $Date$ |
| 10 | */ |
| 11 | |
| 12 | #include <iterator> // ostreambuf_iterator |
| 13 | #include <locale> |
| 14 | #include <string> |
| 15 | #include <vector> |
| 16 | #include <boost/throw_exception.hpp> |
| 17 | #include <boost/algorithm/string/replace.hpp> |
| 18 | #include <boost/date_time/compiler_config.hpp> |
| 19 | #include <boost/date_time/period.hpp> |
| 20 | #include <boost/date_time/special_defs.hpp> |
| 21 | #include <boost/date_time/special_values_formatter.hpp> |
| 22 | #include <boost/date_time/period_formatter.hpp> |
| 23 | #include <boost/date_time/period_parser.hpp> |
| 24 | #include <boost/date_time/date_generator_formatter.hpp> |
| 25 | #include <boost/date_time/date_generator_parser.hpp> |
| 26 | #include <boost/date_time/format_date_parser.hpp> |
| 27 | |
| 28 | namespace boost { namespace date_time { |
| 29 | |
| 30 | |
| 31 | /*! Class that provides format based I/O facet for date types. |
| 32 | * |
| 33 | * This class allows the formatting of dates by using format string. |
| 34 | * Format strings are: |
| 35 | * |
| 36 | * - %A => long_weekday_format - Full name Ex: Tuesday |
| 37 | * - %a => short_weekday_format - Three letter abbreviation Ex: Tue |
| 38 | * - %B => long_month_format - Full name Ex: October |
| 39 | * - %b => short_month_format - Three letter abbreviation Ex: Oct |
| 40 | * - %x => standard_format_specifier - defined by the locale |
| 41 | * - %Y-%b-%d => default_date_format - YYYY-Mon-dd |
| 42 | * |
| 43 | * Default month format == %b |
| 44 | * Default weekday format == %a |
| 45 | */ |
| 46 | template <class date_type, |
| 47 | class CharT, |
| 48 | class OutItrT = std::ostreambuf_iterator<CharT, std::char_traits<CharT> > > |
| 49 | class BOOST_SYMBOL_VISIBLE date_facet : public std::locale::facet { |
| 50 | public: |
| 51 | typedef typename date_type::duration_type duration_type; |
| 52 | // greg_weekday is gregorian_calendar::day_of_week_type |
| 53 | typedef typename date_type::day_of_week_type day_of_week_type; |
| 54 | typedef typename date_type::day_type day_type; |
| 55 | typedef typename date_type::month_type month_type; |
| 56 | typedef boost::date_time::period<date_type,duration_type> period_type; |
| 57 | typedef std::basic_string<CharT> string_type; |
| 58 | typedef CharT char_type; |
| 59 | typedef boost::date_time::period_formatter<CharT> period_formatter_type; |
| 60 | typedef boost::date_time::special_values_formatter<CharT> special_values_formatter_type; |
| 61 | typedef std::vector<std::basic_string<CharT> > input_collection_type; |
| 62 | // used for the output of the date_generators |
| 63 | typedef date_generator_formatter<date_type, CharT> date_gen_formatter_type; |
| 64 | typedef partial_date<date_type> partial_date_type; |
| 65 | typedef nth_kday_of_month<date_type> nth_kday_type; |
| 66 | typedef first_kday_of_month<date_type> first_kday_type; |
| 67 | typedef last_kday_of_month<date_type> last_kday_type; |
| 68 | typedef first_kday_after<date_type> kday_after_type; |
| 69 | typedef first_kday_before<date_type> kday_before_type; |
| 70 | static const char_type long_weekday_format[3]; |
| 71 | static const char_type short_weekday_format[3]; |
| 72 | static const char_type long_month_format[3]; |
| 73 | static const char_type short_month_format[3]; |
| 74 | static const char_type default_period_separator[4]; |
| 75 | static const char_type standard_format_specifier[3]; |
| 76 | static const char_type iso_format_specifier[7]; |
| 77 | static const char_type iso_format_extended_specifier[9]; |
| 78 | static const char_type default_date_format[9]; // YYYY-Mon-DD |
| 79 | static std::locale::id id; |
| 80 | |
| 81 | #if defined (__SUNPRO_CC) && defined (_RWSTD_VER) |
| 82 | std::locale::id& __get_id (void) const { return id; } |
| 83 | #endif |
| 84 | |
| 85 | explicit date_facet(::size_t a_ref = 0) |
| 86 | : std::locale::facet(a_ref), |
| 87 | //m_format(standard_format_specifier) |
| 88 | m_format(default_date_format), |
| 89 | m_month_format(short_month_format), |
| 90 | m_weekday_format(short_weekday_format) |
| 91 | {} |
| 92 | |
| 93 | explicit date_facet(const char_type* format_str, |
| 94 | const input_collection_type& short_names, |
| 95 | ::size_t ref_count = 0) |
| 96 | : std::locale::facet(ref_count), |
| 97 | m_format(format_str), |
| 98 | m_month_format(short_month_format), |
| 99 | m_weekday_format(short_weekday_format), |
| 100 | m_month_short_names(short_names) |
| 101 | {} |
| 102 | |
| 103 | |
| 104 | explicit date_facet(const char_type* format_str, |
| 105 | period_formatter_type per_formatter = period_formatter_type(), |
| 106 | special_values_formatter_type sv_formatter = special_values_formatter_type(), |
| 107 | date_gen_formatter_type dg_formatter = date_gen_formatter_type(), |
| 108 | ::size_t ref_count = 0) |
| 109 | : std::locale::facet(ref_count), |
| 110 | m_format(format_str), |
| 111 | m_month_format(short_month_format), |
| 112 | m_weekday_format(short_weekday_format), |
| 113 | m_period_formatter(per_formatter), |
| 114 | m_date_gen_formatter(dg_formatter), |
| 115 | m_special_values_formatter(sv_formatter) |
| 116 | {} |
| 117 | void format(const char_type* const format_str) { |
| 118 | m_format = format_str; |
| 119 | } |
| 120 | virtual void set_iso_format() |
| 121 | { |
| 122 | m_format = iso_format_specifier; |
| 123 | } |
| 124 | virtual void set_iso_extended_format() |
| 125 | { |
| 126 | m_format = iso_format_extended_specifier; |
| 127 | } |
| 128 | void month_format(const char_type* const format_str) { |
| 129 | m_month_format = format_str; |
| 130 | } |
| 131 | void weekday_format(const char_type* const format_str) { |
| 132 | m_weekday_format = format_str; |
| 133 | } |
| 134 | |
| 135 | void period_formatter(period_formatter_type per_formatter) { |
| 136 | m_period_formatter= per_formatter; |
| 137 | } |
| 138 | void special_values_formatter(const special_values_formatter_type& svf) |
| 139 | { |
| 140 | m_special_values_formatter = svf; |
| 141 | } |
| 142 | void short_weekday_names(const input_collection_type& short_names) |
| 143 | { |
| 144 | m_weekday_short_names = short_names; |
| 145 | } |
| 146 | void long_weekday_names(const input_collection_type& long_names) |
| 147 | { |
| 148 | m_weekday_long_names = long_names; |
| 149 | } |
| 150 | |
| 151 | void short_month_names(const input_collection_type& short_names) |
| 152 | { |
| 153 | m_month_short_names = short_names; |
| 154 | } |
| 155 | |
| 156 | void long_month_names(const input_collection_type& long_names) |
| 157 | { |
| 158 | m_month_long_names = long_names; |
| 159 | } |
| 160 | |
| 161 | void date_gen_phrase_strings(const input_collection_type& new_strings, |
| 162 | typename date_gen_formatter_type::phrase_elements beg_pos=date_gen_formatter_type::first) |
| 163 | { |
| 164 | m_date_gen_formatter.elements(new_strings, beg_pos); |
| 165 | } |
| 166 | |
| 167 | OutItrT put(OutItrT next, |
| 168 | std::ios_base& a_ios, |
| 169 | char_type fill_char, |
| 170 | const date_type& d) const |
| 171 | { |
| 172 | if (d.is_special()) { |
| 173 | return do_put_special(next, a_ios, fill_char, sv: d.as_special()); |
| 174 | } |
| 175 | //The following line of code required the date to support a to_tm function |
| 176 | return do_put_tm(next, a_ios, fill_char, tm_value: to_tm(d), a_format: m_format); |
| 177 | } |
| 178 | |
| 179 | OutItrT put(OutItrT next, |
| 180 | std::ios_base& a_ios, |
| 181 | char_type fill_char, |
| 182 | const duration_type& dd) const |
| 183 | { |
| 184 | if (dd.is_special()) { |
| 185 | return do_put_special(next, a_ios, fill_char, sv: dd.get_rep().as_special()); |
| 186 | } |
| 187 | |
| 188 | typedef std::num_put<CharT, OutItrT> num_put; |
| 189 | if (std::has_facet<num_put>(a_ios.getloc())) { |
| 190 | return std::use_facet<num_put>(a_ios.getloc()).put(next, a_ios, fill_char, dd.get_rep().as_number()); |
| 191 | } |
| 192 | else { |
| 193 | num_put* f = new num_put(); |
| 194 | std::locale l = std::locale(a_ios.getloc(), f); |
| 195 | a_ios.imbue(loc: l); |
| 196 | return f->put(next, a_ios, fill_char, dd.get_rep().as_number()); |
| 197 | } |
| 198 | |
| 199 | } |
| 200 | |
| 201 | |
| 202 | OutItrT put(OutItrT next, |
| 203 | std::ios_base& a_ios, |
| 204 | char_type fill_char, |
| 205 | const month_type& m) const |
| 206 | { |
| 207 | //if (d.is_special()) { |
| 208 | // return do_put_special(next, a_ios, fill_char, d.as_special()); |
| 209 | //} |
| 210 | //The following line of code required the date to support a to_tm function |
| 211 | std::tm dtm; |
| 212 | std::memset(s: &dtm, c: 0, n: sizeof(dtm)); |
| 213 | dtm.tm_mon = m - 1; |
| 214 | return do_put_tm(next, a_ios, fill_char, tm_value: dtm, a_format: m_month_format); |
| 215 | } |
| 216 | |
| 217 | //! puts the day of month |
| 218 | OutItrT put(OutItrT next, |
| 219 | std::ios_base& a_ios, |
| 220 | char_type fill_char, |
| 221 | const day_type& day) const |
| 222 | { |
| 223 | std::tm dtm; |
| 224 | std::memset(s: &dtm, c: 0, n: sizeof(dtm)); |
| 225 | dtm.tm_mday = day.as_number(); |
| 226 | char_type tmp[3] = {'%','d'}; |
| 227 | string_type temp_format(tmp); |
| 228 | return do_put_tm(next, a_ios, fill_char, tm_value: dtm, a_format: temp_format); |
| 229 | } |
| 230 | |
| 231 | OutItrT put(OutItrT next, |
| 232 | std::ios_base& a_ios, |
| 233 | char_type fill_char, |
| 234 | const day_of_week_type& dow) const |
| 235 | { |
| 236 | //if (d.is_special()) { |
| 237 | // return do_put_special(next, a_ios, fill_char, d.as_special()); |
| 238 | //} |
| 239 | //The following line of code required the date to support a to_tm function |
| 240 | std::tm dtm; |
| 241 | std::memset(s: &dtm, c: 0, n: sizeof(dtm)); |
| 242 | dtm.tm_wday = dow; |
| 243 | return do_put_tm(next, a_ios, fill_char, tm_value: dtm, a_format: m_weekday_format); |
| 244 | } |
| 245 | |
| 246 | |
| 247 | OutItrT put(OutItrT next, |
| 248 | std::ios_base& a_ios, |
| 249 | char_type fill_char, |
| 250 | const period_type& p) const |
| 251 | { |
| 252 | return m_period_formatter.put_period(next, a_ios, fill_char, p, *this); |
| 253 | } |
| 254 | |
| 255 | OutItrT put(OutItrT next, |
| 256 | std::ios_base& a_ios, |
| 257 | char_type fill_char, |
| 258 | const partial_date_type& pd) const |
| 259 | { |
| 260 | return m_date_gen_formatter.put_partial_date(next, a_ios, fill_char, pd, *this); |
| 261 | } |
| 262 | |
| 263 | OutItrT put(OutItrT next, |
| 264 | std::ios_base& a_ios, |
| 265 | char_type fill_char, |
| 266 | const nth_kday_type& nkd) const |
| 267 | { |
| 268 | return m_date_gen_formatter.put_nth_kday(next, a_ios, fill_char, nkd, *this); |
| 269 | } |
| 270 | |
| 271 | OutItrT put(OutItrT next, |
| 272 | std::ios_base& a_ios, |
| 273 | char_type fill_char, |
| 274 | const first_kday_type& fkd) const |
| 275 | { |
| 276 | return m_date_gen_formatter.put_first_kday(next, a_ios, fill_char, fkd, *this); |
| 277 | } |
| 278 | |
| 279 | OutItrT put(OutItrT next, |
| 280 | std::ios_base& a_ios, |
| 281 | char_type fill_char, |
| 282 | const last_kday_type& lkd) const |
| 283 | { |
| 284 | return m_date_gen_formatter.put_last_kday(next, a_ios, fill_char, lkd, *this); |
| 285 | } |
| 286 | |
| 287 | OutItrT put(OutItrT next, |
| 288 | std::ios_base& a_ios, |
| 289 | char_type fill_char, |
| 290 | const kday_before_type& fkb) const |
| 291 | { |
| 292 | return m_date_gen_formatter.put_kday_before(next, a_ios, fill_char, fkb, *this); |
| 293 | } |
| 294 | |
| 295 | OutItrT put(OutItrT next, |
| 296 | std::ios_base& a_ios, |
| 297 | char_type fill_char, |
| 298 | const kday_after_type& fka) const |
| 299 | { |
| 300 | return m_date_gen_formatter.put_kday_after(next, a_ios, fill_char, fka, *this); |
| 301 | } |
| 302 | |
| 303 | protected: |
| 304 | virtual OutItrT do_put_special(OutItrT next, |
| 305 | std::ios_base& /*a_ios*/, |
| 306 | char_type /*fill_char*/, |
| 307 | const boost::date_time::special_values sv) const |
| 308 | { |
| 309 | m_special_values_formatter.put_special(next, sv); |
| 310 | return next; |
| 311 | } |
| 312 | virtual OutItrT do_put_tm(OutItrT next, |
| 313 | std::ios_base& a_ios, |
| 314 | char_type fill_char, |
| 315 | const tm& tm_value, |
| 316 | string_type a_format) const |
| 317 | { |
| 318 | // update format string with custom names |
| 319 | if (!m_weekday_long_names.empty()) { |
| 320 | boost::algorithm::replace_all(a_format, |
| 321 | long_weekday_format, |
| 322 | m_weekday_long_names[tm_value.tm_wday]); |
| 323 | } |
| 324 | if (!m_weekday_short_names.empty()) { |
| 325 | boost::algorithm::replace_all(a_format, |
| 326 | short_weekday_format, |
| 327 | m_weekday_short_names[tm_value.tm_wday]); |
| 328 | |
| 329 | } |
| 330 | if (!m_month_long_names.empty()) { |
| 331 | boost::algorithm::replace_all(a_format, |
| 332 | long_month_format, |
| 333 | m_month_long_names[tm_value.tm_mon]); |
| 334 | } |
| 335 | if (!m_month_short_names.empty()) { |
| 336 | boost::algorithm::replace_all(a_format, |
| 337 | short_month_format, |
| 338 | m_month_short_names[tm_value.tm_mon]); |
| 339 | } |
| 340 | // use time_put facet to create final string |
| 341 | const char_type* p_format = a_format.c_str(); |
| 342 | return std::use_facet<std::time_put<CharT> >(a_ios.getloc()).put(next, a_ios, |
| 343 | fill_char, |
| 344 | &tm_value, |
| 345 | p_format, |
| 346 | p_format + a_format.size()); |
| 347 | } |
| 348 | protected: |
| 349 | string_type m_format; |
| 350 | string_type m_month_format; |
| 351 | string_type m_weekday_format; |
| 352 | period_formatter_type m_period_formatter; |
| 353 | date_gen_formatter_type m_date_gen_formatter; |
| 354 | special_values_formatter_type m_special_values_formatter; |
| 355 | input_collection_type m_month_short_names; |
| 356 | input_collection_type m_month_long_names; |
| 357 | input_collection_type m_weekday_short_names; |
| 358 | input_collection_type m_weekday_long_names; |
| 359 | private: |
| 360 | }; |
| 361 | |
| 362 | template <class date_type, class CharT, class OutItrT> |
| 363 | std::locale::id date_facet<date_type, CharT, OutItrT>::id; |
| 364 | |
| 365 | template <class date_type, class CharT, class OutItrT> |
| 366 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 367 | date_facet<date_type, CharT, OutItrT>::long_weekday_format[3] = {'%','A'}; |
| 368 | |
| 369 | template <class date_type, class CharT, class OutItrT> |
| 370 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 371 | date_facet<date_type, CharT, OutItrT>::short_weekday_format[3] = {'%','a'}; |
| 372 | |
| 373 | template <class date_type, class CharT, class OutItrT> |
| 374 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 375 | date_facet<date_type, CharT, OutItrT>::long_month_format[3] = {'%','B'}; |
| 376 | |
| 377 | template <class date_type, class CharT, class OutItrT> |
| 378 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 379 | date_facet<date_type, CharT, OutItrT>::short_month_format[3] = {'%','b'}; |
| 380 | |
| 381 | template <class date_type, class CharT, class OutItrT> |
| 382 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 383 | date_facet<date_type, CharT, OutItrT>::default_period_separator[4] = { ' ', '/', ' '}; |
| 384 | |
| 385 | template <class date_type, class CharT, class OutItrT> |
| 386 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 387 | date_facet<date_type, CharT, OutItrT>::standard_format_specifier[3] = |
| 388 | {'%', 'x' }; |
| 389 | |
| 390 | template <class date_type, class CharT, class OutItrT> |
| 391 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 392 | date_facet<date_type, CharT, OutItrT>::iso_format_specifier[7] = |
| 393 | {'%', 'Y', '%', 'm', '%', 'd' }; |
| 394 | |
| 395 | template <class date_type, class CharT, class OutItrT> |
| 396 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 397 | date_facet<date_type, CharT, OutItrT>::iso_format_extended_specifier[9] = |
| 398 | {'%', 'Y', '-', '%', 'm', '-', '%', 'd' }; |
| 399 | |
| 400 | template <class date_type, class CharT, class OutItrT> |
| 401 | const typename date_facet<date_type, CharT, OutItrT>::char_type |
| 402 | date_facet<date_type, CharT, OutItrT>::default_date_format[9] = |
| 403 | {'%','Y','-','%','b','-','%','d'}; |
| 404 | |
| 405 | |
| 406 | |
| 407 | //! Input facet |
| 408 | template <class date_type, |
| 409 | class CharT, |
| 410 | class InItrT = std::istreambuf_iterator<CharT, std::char_traits<CharT> > > |
| 411 | class BOOST_SYMBOL_VISIBLE date_input_facet : public std::locale::facet { |
| 412 | public: |
| 413 | typedef typename date_type::duration_type duration_type; |
| 414 | // greg_weekday is gregorian_calendar::day_of_week_type |
| 415 | typedef typename date_type::day_of_week_type day_of_week_type; |
| 416 | typedef typename date_type::day_type day_type; |
| 417 | typedef typename date_type::month_type month_type; |
| 418 | typedef typename date_type::year_type year_type; |
| 419 | typedef boost::date_time::period<date_type,duration_type> period_type; |
| 420 | typedef std::basic_string<CharT> string_type; |
| 421 | typedef CharT char_type; |
| 422 | typedef boost::date_time::period_parser<date_type, CharT> period_parser_type; |
| 423 | typedef boost::date_time::special_values_parser<date_type,CharT> special_values_parser_type; |
| 424 | typedef std::vector<std::basic_string<CharT> > input_collection_type; |
| 425 | typedef format_date_parser<date_type, CharT> format_date_parser_type; |
| 426 | // date_generators stuff goes here |
| 427 | typedef date_generator_parser<date_type, CharT> date_gen_parser_type; |
| 428 | typedef partial_date<date_type> partial_date_type; |
| 429 | typedef nth_kday_of_month<date_type> nth_kday_type; |
| 430 | typedef first_kday_of_month<date_type> first_kday_type; |
| 431 | typedef last_kday_of_month<date_type> last_kday_type; |
| 432 | typedef first_kday_after<date_type> kday_after_type; |
| 433 | typedef first_kday_before<date_type> kday_before_type; |
| 434 | |
| 435 | static const char_type long_weekday_format[3]; |
| 436 | static const char_type short_weekday_format[3]; |
| 437 | static const char_type long_month_format[3]; |
| 438 | static const char_type short_month_format[3]; |
| 439 | static const char_type four_digit_year_format[3]; |
| 440 | static const char_type two_digit_year_format[3]; |
| 441 | static const char_type default_period_separator[4]; |
| 442 | static const char_type standard_format_specifier[3]; |
| 443 | static const char_type iso_format_specifier[7]; |
| 444 | static const char_type iso_format_extended_specifier[9]; |
| 445 | static const char_type default_date_format[9]; // YYYY-Mon-DD |
| 446 | static std::locale::id id; |
| 447 | |
| 448 | explicit date_input_facet(::size_t a_ref = 0) |
| 449 | : std::locale::facet(a_ref), |
| 450 | m_format(default_date_format), |
| 451 | m_month_format(short_month_format), |
| 452 | m_weekday_format(short_weekday_format), |
| 453 | m_year_format(four_digit_year_format), |
| 454 | m_parser(m_format, std::locale::classic()) |
| 455 | // default period_parser & special_values_parser used |
| 456 | {} |
| 457 | |
| 458 | explicit date_input_facet(const string_type& format_str, |
| 459 | ::size_t a_ref = 0) |
| 460 | : std::locale::facet(a_ref), |
| 461 | m_format(format_str), |
| 462 | m_month_format(short_month_format), |
| 463 | m_weekday_format(short_weekday_format), |
| 464 | m_year_format(four_digit_year_format), |
| 465 | m_parser(m_format, std::locale::classic()) |
| 466 | // default period_parser & special_values_parser used |
| 467 | {} |
| 468 | |
| 469 | explicit date_input_facet(const string_type& format_str, |
| 470 | const format_date_parser_type& date_parser, |
| 471 | const special_values_parser_type& sv_parser, |
| 472 | const period_parser_type& per_parser, |
| 473 | const date_gen_parser_type& date_gen_parser, |
| 474 | ::size_t ref_count = 0) |
| 475 | : std::locale::facet(ref_count), |
| 476 | m_format(format_str), |
| 477 | m_month_format(short_month_format), |
| 478 | m_weekday_format(short_weekday_format), |
| 479 | m_year_format(four_digit_year_format), |
| 480 | m_parser(date_parser), |
| 481 | m_date_gen_parser(date_gen_parser), |
| 482 | m_period_parser(per_parser), |
| 483 | m_sv_parser(sv_parser) |
| 484 | {} |
| 485 | |
| 486 | |
| 487 | void format(const char_type* const format_str) { |
| 488 | m_format = format_str; |
| 489 | } |
| 490 | virtual void set_iso_format() |
| 491 | { |
| 492 | m_format = iso_format_specifier; |
| 493 | } |
| 494 | virtual void set_iso_extended_format() |
| 495 | { |
| 496 | m_format = iso_format_extended_specifier; |
| 497 | } |
| 498 | void month_format(const char_type* const format_str) { |
| 499 | m_month_format = format_str; |
| 500 | } |
| 501 | void weekday_format(const char_type* const format_str) { |
| 502 | m_weekday_format = format_str; |
| 503 | } |
| 504 | void year_format(const char_type* const format_str) { |
| 505 | m_year_format = format_str; |
| 506 | } |
| 507 | |
| 508 | void period_parser(period_parser_type per_parser) { |
| 509 | m_period_parser = per_parser; |
| 510 | } |
| 511 | void short_weekday_names(const input_collection_type& weekday_names) |
| 512 | { |
| 513 | m_parser.short_weekday_names(weekday_names); |
| 514 | } |
| 515 | void long_weekday_names(const input_collection_type& weekday_names) |
| 516 | { |
| 517 | m_parser.long_weekday_names(weekday_names); |
| 518 | } |
| 519 | |
| 520 | void short_month_names(const input_collection_type& month_names) |
| 521 | { |
| 522 | m_parser.short_month_names(month_names); |
| 523 | } |
| 524 | |
| 525 | void long_month_names(const input_collection_type& month_names) |
| 526 | { |
| 527 | m_parser.long_month_names(month_names); |
| 528 | } |
| 529 | |
| 530 | void date_gen_element_strings(const input_collection_type& col) |
| 531 | { |
| 532 | m_date_gen_parser.element_strings(col); |
| 533 | } |
| 534 | void date_gen_element_strings(const string_type& first, |
| 535 | const string_type& second, |
| 536 | const string_type& third, |
| 537 | const string_type& fourth, |
| 538 | const string_type& fifth, |
| 539 | const string_type& last, |
| 540 | const string_type& before, |
| 541 | const string_type& after, |
| 542 | const string_type& of) |
| 543 | |
| 544 | { |
| 545 | m_date_gen_parser.element_strings(first,second,third,fourth,fifth,last,before,after,of); |
| 546 | } |
| 547 | |
| 548 | void special_values_parser(special_values_parser_type sv_parser) |
| 549 | { |
| 550 | m_sv_parser = sv_parser; |
| 551 | } |
| 552 | |
| 553 | InItrT get(InItrT& from, |
| 554 | InItrT& to, |
| 555 | std::ios_base& /*a_ios*/, |
| 556 | date_type& d) const |
| 557 | { |
| 558 | d = m_parser.parse_date(from, to, m_format, m_sv_parser); |
| 559 | return from; |
| 560 | } |
| 561 | InItrT get(InItrT& from, |
| 562 | InItrT& to, |
| 563 | std::ios_base& /*a_ios*/, |
| 564 | month_type& m) const |
| 565 | { |
| 566 | m = m_parser.parse_month(from, to, m_month_format); |
| 567 | return from; |
| 568 | } |
| 569 | InItrT get(InItrT& from, |
| 570 | InItrT& to, |
| 571 | std::ios_base& /*a_ios*/, |
| 572 | day_of_week_type& wd) const |
| 573 | { |
| 574 | wd = m_parser.parse_weekday(from, to, m_weekday_format); |
| 575 | return from; |
| 576 | } |
| 577 | //! Expects 1 or 2 digit day range: 1-31 |
| 578 | InItrT get(InItrT& from, |
| 579 | InItrT& to, |
| 580 | std::ios_base& /*a_ios*/, |
| 581 | day_type& d) const |
| 582 | { |
| 583 | d = m_parser.parse_var_day_of_month(from, to); |
| 584 | return from; |
| 585 | } |
| 586 | InItrT get(InItrT& from, |
| 587 | InItrT& to, |
| 588 | std::ios_base& /*a_ios*/, |
| 589 | year_type& y) const |
| 590 | { |
| 591 | y = m_parser.parse_year(from, to, m_year_format); |
| 592 | return from; |
| 593 | } |
| 594 | InItrT get(InItrT& from, |
| 595 | InItrT& to, |
| 596 | std::ios_base& a_ios, |
| 597 | duration_type& dd) const |
| 598 | { |
| 599 | // skip leading whitespace |
| 600 | while(std::isspace(*from) && from != to) { ++from; } |
| 601 | |
| 602 | /* num_get.get() will always consume the first character if it |
| 603 | * is a sign indicator (+/-). Special value strings may begin |
| 604 | * with one of these signs so we'll need a copy of it |
| 605 | * in case num_get.get() fails. */ |
| 606 | char_type c = '\0'; |
| 607 | // TODO Are these characters somewhere in the locale? |
| 608 | if(*from == '-' || *from == '+') { |
| 609 | c = *from; |
| 610 | } |
| 611 | typedef std::num_get<CharT, InItrT> num_get; |
| 612 | typename duration_type::duration_rep_type val = 0; |
| 613 | std::ios_base::iostate err = std::ios_base::goodbit; |
| 614 | |
| 615 | if (std::has_facet<num_get>(a_ios.getloc())) { |
| 616 | from = std::use_facet<num_get>(a_ios.getloc()).get(from, to, a_ios, err, val); |
| 617 | } |
| 618 | else { |
| 619 | num_get* ng = new num_get(); |
| 620 | std::locale l = std::locale(a_ios.getloc(), ng); |
| 621 | a_ios.imbue(loc: l); |
| 622 | from = ng->get(from, to, a_ios, err, val); |
| 623 | } |
| 624 | if(err & std::ios_base::failbit){ |
| 625 | typedef typename special_values_parser_type::match_results match_results; |
| 626 | match_results mr; |
| 627 | if(c == '-' || c == '+') { // was the first character consumed? |
| 628 | mr.cache += c; |
| 629 | } |
| 630 | m_sv_parser.match(from, to, mr); |
| 631 | if(mr.current_match == match_results::PARSE_ERROR) { |
| 632 | boost::throw_exception(e: std::ios_base::failure("Parse failed. No match found for '" + mr.cache + "'" )); |
| 633 | BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return from); // should never reach |
| 634 | } |
| 635 | dd = duration_type(static_cast<special_values>(mr.current_match)); |
| 636 | } |
| 637 | else { |
| 638 | dd = duration_type(val); |
| 639 | } |
| 640 | return from; |
| 641 | } |
| 642 | InItrT get(InItrT& from, |
| 643 | InItrT& to, |
| 644 | std::ios_base& a_ios, |
| 645 | period_type& p) const |
| 646 | { |
| 647 | p = m_period_parser.get_period(from, to, a_ios, p, duration_type::unit(), *this); |
| 648 | return from; |
| 649 | } |
| 650 | InItrT get(InItrT& from, |
| 651 | InItrT& to, |
| 652 | std::ios_base& a_ios, |
| 653 | nth_kday_type& nkd) const |
| 654 | { |
| 655 | nkd = m_date_gen_parser.get_nth_kday_type(from, to, a_ios, *this); |
| 656 | return from; |
| 657 | } |
| 658 | InItrT get(InItrT& from, |
| 659 | InItrT& to, |
| 660 | std::ios_base& a_ios, |
| 661 | partial_date_type& pd) const |
| 662 | { |
| 663 | |
| 664 | pd = m_date_gen_parser.get_partial_date_type(from, to, a_ios, *this); |
| 665 | return from; |
| 666 | } |
| 667 | InItrT get(InItrT& from, |
| 668 | InItrT& to, |
| 669 | std::ios_base& a_ios, |
| 670 | first_kday_type& fkd) const |
| 671 | { |
| 672 | fkd = m_date_gen_parser.get_first_kday_type(from, to, a_ios, *this); |
| 673 | return from; |
| 674 | } |
| 675 | InItrT get(InItrT& from, |
| 676 | InItrT& to, |
| 677 | std::ios_base& a_ios, |
| 678 | last_kday_type& lkd) const |
| 679 | { |
| 680 | lkd = m_date_gen_parser.get_last_kday_type(from, to, a_ios, *this); |
| 681 | return from; |
| 682 | } |
| 683 | InItrT get(InItrT& from, |
| 684 | InItrT& to, |
| 685 | std::ios_base& a_ios, |
| 686 | kday_before_type& fkb) const |
| 687 | { |
| 688 | fkb = m_date_gen_parser.get_kday_before_type(from, to, a_ios, *this); |
| 689 | return from; |
| 690 | } |
| 691 | InItrT get(InItrT& from, |
| 692 | InItrT& to, |
| 693 | std::ios_base& a_ios, |
| 694 | kday_after_type& fka) const |
| 695 | { |
| 696 | fka = m_date_gen_parser.get_kday_after_type(from, to, a_ios, *this); |
| 697 | return from; |
| 698 | } |
| 699 | |
| 700 | protected: |
| 701 | string_type m_format; |
| 702 | string_type m_month_format; |
| 703 | string_type m_weekday_format; |
| 704 | string_type m_year_format; |
| 705 | format_date_parser_type m_parser; |
| 706 | date_gen_parser_type m_date_gen_parser; |
| 707 | period_parser_type m_period_parser; |
| 708 | special_values_parser_type m_sv_parser; |
| 709 | private: |
| 710 | }; |
| 711 | |
| 712 | |
| 713 | template <class date_type, class CharT, class OutItrT> |
| 714 | std::locale::id date_input_facet<date_type, CharT, OutItrT>::id; |
| 715 | |
| 716 | template <class date_type, class CharT, class OutItrT> |
| 717 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 718 | date_input_facet<date_type, CharT, OutItrT>::long_weekday_format[3] = {'%','A'}; |
| 719 | |
| 720 | template <class date_type, class CharT, class OutItrT> |
| 721 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 722 | date_input_facet<date_type, CharT, OutItrT>::short_weekday_format[3] = {'%','a'}; |
| 723 | |
| 724 | template <class date_type, class CharT, class OutItrT> |
| 725 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 726 | date_input_facet<date_type, CharT, OutItrT>::long_month_format[3] = {'%','B'}; |
| 727 | |
| 728 | template <class date_type, class CharT, class OutItrT> |
| 729 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 730 | date_input_facet<date_type, CharT, OutItrT>::short_month_format[3] = {'%','b'}; |
| 731 | |
| 732 | template <class date_type, class CharT, class OutItrT> |
| 733 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 734 | date_input_facet<date_type, CharT, OutItrT>::four_digit_year_format[3] = {'%','Y'}; |
| 735 | |
| 736 | template <class date_type, class CharT, class OutItrT> |
| 737 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 738 | date_input_facet<date_type, CharT, OutItrT>::two_digit_year_format[3] = {'%','y'}; |
| 739 | |
| 740 | template <class date_type, class CharT, class OutItrT> |
| 741 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 742 | date_input_facet<date_type, CharT, OutItrT>::default_period_separator[4] = { ' ', '/', ' '}; |
| 743 | |
| 744 | template <class date_type, class CharT, class OutItrT> |
| 745 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 746 | date_input_facet<date_type, CharT, OutItrT>::standard_format_specifier[3] = |
| 747 | {'%', 'x' }; |
| 748 | |
| 749 | template <class date_type, class CharT, class OutItrT> |
| 750 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 751 | date_input_facet<date_type, CharT, OutItrT>::iso_format_specifier[7] = |
| 752 | {'%', 'Y', '%', 'm', '%', 'd' }; |
| 753 | |
| 754 | template <class date_type, class CharT, class OutItrT> |
| 755 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 756 | date_input_facet<date_type, CharT, OutItrT>::iso_format_extended_specifier[9] = |
| 757 | {'%', 'Y', '-', '%', 'm', '-', '%', 'd' }; |
| 758 | |
| 759 | template <class date_type, class CharT, class OutItrT> |
| 760 | const typename date_input_facet<date_type, CharT, OutItrT>::char_type |
| 761 | date_input_facet<date_type, CharT, OutItrT>::default_date_format[9] = |
| 762 | {'%','Y','-','%','b','-','%','d'}; |
| 763 | |
| 764 | } } // namespaces |
| 765 | |
| 766 | #endif |
| 767 | |