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/Src/Dependencies/Boost/boost/date_time/date_facet.hpp

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  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: 2009-06-04 21:40:18 +1000 (Thu, 04 Jun 2009) $
 10 */
 11
 12#include <locale>
 13#include <string>
 14#include <vector>
 15#include <iterator> // ostreambuf_iterator
 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
 28namespace 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 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, 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, to_tm(d), 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, 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(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      dtm.tm_mon = m - 1;
213      return do_put_tm(next, a_ios, fill_char, dtm, m_month_format);
214    }
215
216    //! puts the day of month
217    OutItrT put(OutItrT next,
218                std::ios_base& a_ios,
219                char_type fill_char,
220                const day_type& day) const
221    {
222      std::tm dtm = {};
223      dtm.tm_mday = day.as_number();
224      char_type tmp[3] = {'%','d'};
225      string_type temp_format(tmp);
226      return do_put_tm(next, a_ios, fill_char, dtm, temp_format);
227    }
228
229    OutItrT put(OutItrT next,
230                std::ios_base& a_ios,
231                char_type fill_char,
232                const day_of_week_type& dow) const
233    {
234      //if (d.is_special()) {
235      //  return do_put_special(next, a_ios, fill_char, d.as_special());
236      //}
237      //The following line of code required the date to support a to_tm function
238      std::tm dtm = {};
239      dtm.tm_wday = dow;
240      return do_put_tm(next, a_ios, fill_char, dtm, m_weekday_format);
241    }
242
243
244    OutItrT put(OutItrT next,
245                std::ios_base& a_ios,
246                char_type fill_char,
247                const period_type& p) const
248    {
249      return m_period_formatter.put_period(next, a_ios, fill_char, p, *this);
250    }
251
252    OutItrT put(OutItrT next,
253                std::ios_base& a_ios,
254                char_type fill_char,
255                const partial_date_type& pd) const
256    {
257      return m_date_gen_formatter.put_partial_date(next, a_ios, fill_char, pd, *this);
258    }
259
260    OutItrT put(OutItrT next,
261                std::ios_base& a_ios,
262                char_type fill_char,
263                const nth_kday_type& nkd) const
264    {
265      return m_date_gen_formatter.put_nth_kday(next, a_ios, fill_char, nkd, *this);
266    }
267
268    OutItrT put(OutItrT next,
269                std::ios_base& a_ios,
270                char_type fill_char,
271                const first_kday_type& fkd) const
272    {
273      return m_date_gen_formatter.put_first_kday(next, a_ios, fill_char, fkd, *this);
274    }
275
276    OutItrT put(OutItrT next,
277                std::ios_base& a_ios,
278                char_type fill_char,
279                const last_kday_type& lkd) const
280    {
281      return m_date_gen_formatter.put_last_kday(next, a_ios, fill_char, lkd, *this);
282    }
283
284    OutItrT put(OutItrT next,
285                std::ios_base& a_ios,
286                char_type fill_char,
287                const kday_before_type& fkb) const
288    {
289      return m_date_gen_formatter.put_kday_before(next, a_ios, fill_char, fkb, *this);
290    }
291
292    OutItrT put(OutItrT next,
293                std::ios_base& a_ios,
294                char_type fill_char,
295                const kday_after_type& fka) const
296    {
297      return m_date_gen_formatter.put_kday_after(next, a_ios, fill_char, fka, *this);
298    }
299
300  protected:
301    virtual OutItrT do_put_special(OutItrT next,
302                                   std::ios_base& /*a_ios*/,
303                                   char_type /*fill_char*/,
304                                   const boost::date_time::special_values sv) const
305    {
306      m_special_values_formatter.put_special(next, sv);
307      return next;
308    }
309    virtual OutItrT do_put_tm(OutItrT next,
310                              std::ios_base& a_ios,
311                              char_type fill_char,
312                              const tm& tm_value,
313                              string_type a_format) const
314    {
315      // update format string with custom names
316      if (m_weekday_long_names.size()) {
317        boost::algorithm::replace_all(a_format,
318                                      long_weekday_format,
319                                      m_weekday_long_names[tm_value.tm_wday]);
320      }
321      if (m_weekday_short_names.size()) {
322        boost::algorithm::replace_all(a_format,
323                                      short_weekday_format,
324                                      m_weekday_short_names[tm_value.tm_wday]);
325
326      }
327      if (m_month_long_names.size()) {
328        boost::algorithm::replace_all(a_format,
329                                      long_month_format,
330                                      m_month_long_names[tm_value.tm_mon]);
331      }
332      if (m_month_short_names.size()) {
333        boost::algorithm::replace_all(a_format,
334                                      short_month_format,
335                                      m_month_short_names[tm_value.tm_mon]);
336      }
337      // use time_put facet to create final string
338      const char_type* p_format = a_format.c_str();
339      return std::use_facet<std::time_put<CharT> >(a_ios.getloc()).put(next, a_ios,
340                                                                       fill_char,
341                                                                       &tm_value,
342                                                                       p_format,
343                                                                       p_format + a_format.size());
344    }
345  protected:
346    string_type                   m_format;
347    string_type                   m_month_format;
348    string_type                   m_weekday_format;
349    period_formatter_type         m_period_formatter;
350    date_gen_formatter_type       m_date_gen_formatter;
351    special_values_formatter_type m_special_values_formatter;
352    input_collection_type         m_month_short_names;
353    input_collection_type         m_month_long_names;
354    input_collection_type         m_weekday_short_names;
355    input_collection_type         m_weekday_long_names;
356  private:
357  };
358
359  template <class date_type, class CharT, class OutItrT>
360  std::locale::id date_facet<date_type, CharT, OutItrT>::id;
361
362  template <class date_type, class CharT, class OutItrT>
363  const typename date_facet<date_type, CharT, OutItrT>::char_type
364  date_facet<date_type, CharT, OutItrT>::long_weekday_format[3] = {'%','A'};
365
366  template <class date_type, class CharT, class OutItrT>
367  const typename date_facet<date_type, CharT, OutItrT>::char_type
368  date_facet<date_type, CharT, OutItrT>::short_weekday_format[3] = {'%','a'};
369
370  template <class date_type, class CharT, class OutItrT>
371  const typename date_facet<date_type, CharT, OutItrT>::char_type
372  date_facet<date_type, CharT, OutItrT>::long_month_format[3] = {'%','B'};
373
374  template <class date_type, class CharT, class OutItrT>
375  const typename date_facet<date_type, CharT, OutItrT>::char_type
376  date_facet<date_type, CharT, OutItrT>::short_month_format[3] = {'%','b'};
377
378  template <class date_type, class CharT, class OutItrT>
379  const typename date_facet<date_type, CharT, OutItrT>::char_type
380  date_facet<date_type, CharT, OutItrT>::default_period_separator[4] = { ' ', '/', ' '};
381
382  template <class date_type, class CharT, class OutItrT>
383  const typename date_facet<date_type, CharT, OutItrT>::char_type
384  date_facet<date_type, CharT, OutItrT>::standard_format_specifier[3] =
385    {'%', 'x' };
386
387  template <class date_type, class CharT, class OutItrT>
388  const typename date_facet<date_type, CharT, OutItrT>::char_type
389  date_facet<date_type, CharT, OutItrT>::iso_format_specifier[7] =
390    {'%', 'Y', '%', 'm', '%', 'd' };
391
392  template <class date_type, class CharT, class OutItrT>
393  const typename date_facet<date_type, CharT, OutItrT>::char_type
394  date_facet<date_type, CharT, OutItrT>::iso_format_extended_specifier[9] =
395    {'%', 'Y', '-', '%', 'm', '-', '%', 'd' };
396
397  template <class date_type, class CharT, class OutItrT>
398  const typename date_facet<date_type, CharT, OutItrT>::char_type
399  date_facet<date_type, CharT, OutItrT>::default_date_format[9] =
400    {'%','Y','-','%','b','-','%','d'};
401
402
403
404  //! Input facet
405  template <class date_type,
406            class CharT,
407            class InItrT = std::istreambuf_iterator<CharT, std::char_traits<CharT> > >
408  class date_input_facet : public std::locale::facet {
409  public:
410    typedef typename date_type::duration_type duration_type;
411    // greg_weekday is gregorian_calendar::day_of_week_type
412    typedef typename date_type::day_of_week_type day_of_week_type;
413    typedef typename date_type::day_type day_type;
414    typedef typename date_type::month_type month_type;
415    typedef typename date_type::year_type year_type;
416    typedef boost::date_time::period<date_type,duration_type> period_type;
417    typedef std::basic_string<CharT> string_type;
418    typedef CharT                    char_type;
419    typedef boost::date_time::period_parser<date_type, CharT>  period_parser_type;
420    typedef boost::date_time::special_values_parser<date_type,CharT> special_values_parser_type;
421    typedef std::vector<std::basic_string<CharT> > input_collection_type;
422    typedef format_date_parser<date_type, CharT> format_date_parser_type;
423    // date_generators stuff goes here
424    typedef date_generator_parser<date_type, CharT> date_gen_parser_type;
425    typedef partial_date<date_type>          partial_date_type;
426    typedef nth_kday_of_month<date_type>     nth_kday_type;
427    typedef first_kday_of_month<date_type>   first_kday_type;
428    typedef last_kday_of_month<date_type>    last_kday_type;
429    typedef first_kday_after<date_type>      kday_after_type;
430    typedef first_kday_before<date_type>     kday_before_type;
431
432    static const char_type long_weekday_format[3];
433    static const char_type short_weekday_format[3];
434    static const char_type long_month_format[3];
435    static const char_type short_month_format[3];
436    static const char_type four_digit_year_format[3];
437    static const char_type two_digit_year_format[3];
438    static const char_type default_period_separator[4];
439    static const char_type standard_format_specifier[3];
440    static const char_type iso_format_specifier[7];
441    static const char_type iso_format_extended_specifier[9];
442    static const char_type default_date_format[9]; // YYYY-Mon-DD
443    static std::locale::id id;
444
445    explicit date_input_facet(::size_t a_ref = 0)
446      : std::locale::facet(a_ref),
447        m_format(default_date_format),
448        m_month_format(short_month_format),
449        m_weekday_format(short_weekday_format),
450        m_year_format(four_digit_year_format),
451        m_parser(m_format, std::locale::classic())
452        // default period_parser & special_values_parser used
453    {}
454
455    explicit date_input_facet(const string_type& format_str,
456                              ::size_t a_ref = 0)
457      : std::locale::facet(a_ref),
458        m_format(format_str),
459        m_month_format(short_month_format),
460        m_weekday_format(short_weekday_format),
461        m_year_format(four_digit_year_format),
462        m_parser(m_format, std::locale::classic())
463        // default period_parser & special_values_parser used
464    {}
465
466    explicit date_input_facet(const string_type& format_str,
467                              const format_date_parser_type& date_parser,
468                              const special_values_parser_type& sv_parser,
469                              const period_parser_type& per_parser,
470                              const date_gen_parser_type& date_gen_parser,
471                              ::size_t ref_count = 0)
472      : std::locale::facet(ref_count),
473        m_format(format_str),
474        m_month_format(short_month_format),
475        m_weekday_format(short_weekday_format),
476        m_year_format(four_digit_year_format),
477        m_parser(date_parser),
478        m_date_gen_parser(date_gen_parser),
479        m_period_parser(per_parser),
480        m_sv_parser(sv_parser)
481    {}
482
483
484    void format(const char_type* const format_str) {
485      m_format = format_str;
486    }
487    virtual void set_iso_format()
488    {
489      m_format = iso_format_specifier;
490    }
491    virtual void set_iso_extended_format()
492    {
493      m_format = iso_format_extended_specifier;
494    }
495    void month_format(const char_type* const format_str) {
496      m_month_format = format_str;
497    }
498    void weekday_format(const char_type* const format_str) {
499      m_weekday_format = format_str;
500    }
501    void year_format(const char_type* const format_str) {
502      m_year_format = format_str;
503    }
504
505    void period_parser(period_parser_type per_parser) {
506      m_period_parser = per_parser;
507    }
508    void short_weekday_names(const input_collection_type& weekday_names)
509    {
510      m_parser.short_weekday_names(weekday_names);
511    }
512    void long_weekday_names(const input_collection_type& weekday_names)
513    {
514      m_parser.long_weekday_names(weekday_names);
515    }
516
517    void short_month_names(const input_collection_type& month_names)
518    {
519      m_parser.short_month_names(month_names);
520    }
521
522    void long_month_names(const input_collection_type& month_names)
523    {
524      m_parser.long_month_names(month_names);
525    }
526
527    void date_gen_element_strings(const input_collection_type& col)
528    {
529      m_date_gen_parser.element_strings(col);
530    }
531    void date_gen_element_strings(const string_type& first,
532                                  const string_type& second,
533                                  const string_type& third,
534                                  const string_type& fourth,
535                                  const string_type& fifth,
536                                  const string_type& last,
537                                  const string_type& before,
538                                  const string_type& after,
539                                  const string_type& of)
540
541    {
542      m_date_gen_parser.element_strings(first,second,third,fourth,fifth,last,before,after,of);
543    }
544
545    void special_values_parser(special_values_parser_type sv_parser)
546    {
547      m_sv_parser = sv_parser;
548    }
549
550    InItrT get(InItrT& from,
551               InItrT& to,
552               std::ios_base& /*a_ios*/,
553               date_type& d) const
554    {
555      d = m_parser.parse_date(from, to, m_format, m_sv_parser);
556      return from;
557    }
558    InItrT get(InItrT& from,
559               InItrT& to,
560               std::ios_base& /*a_ios*/,
561               month_type& m) const
562    {
563      m = m_parser.parse_month(from, to, m_month_format);
564      return from;
565    }
566    InItrT get(InItrT& from,
567               InItrT& to,
568               std::ios_base& /*a_ios*/,
569               day_of_week_type& wd) const
570    {
571      wd = m_parser.parse_weekday(from, to, m_weekday_format);
572      return from;
573    }
574    //! Expects 1 or 2 digit day range: 1-31
575    InItrT get(InItrT& from,
576               InItrT& to,
577               std::ios_base& /*a_ios*/,
578               day_type& d) const
579    {
580      d = m_parser.parse_var_day_of_month(from, to);
581      return from;
582    }
583    InItrT get(InItrT& from,
584               InItrT& to,
585               std::ios_base& /*a_ios*/,
586               year_type& y) const
587    {
588      y = m_parser.parse_year(from, to, m_year_format);
589      return from;
590    }
591    InItrT get(InItrT& from,
592               InItrT& to,
593               std::ios_base& a_ios,
594               duration_type& dd) const
595    {
596      // skip leading whitespace
597      while(std::isspace(*from) && from != to) { ++from; }
598
599      /* num_get.get() will always consume the first character if it
600       * is a sign indicator (+/-). Special value strings may begin
601       * with one of these signs so we'll need a copy of it
602       * in case num_get.get() fails. */
603      char_type c = '\0';
604      // TODO Are these characters somewhere in the locale?
605      if(*from == '-' || *from == '+') {
606        c = *from;
607      }
608      typedef std::num_get<CharT, InItrT> num_get;
609      typename duration_type::duration_rep_type val = 0;
610      std::ios_base::iostate err = std::ios_base::goodbit;
611
612      if (std::has_facet<num_get>(a_ios.getloc())) {
613        from = std::use_facet<num_get>(a_ios.getloc()).get(from, to, a_ios, err, val);
614      }
615      else {
616        num_get* ng = new num_get();
617        std::locale l = std::locale(a_ios.getloc(), ng);
618        a_ios.imbue(l);
619        from = ng->get(from, to, a_ios, err, val);
620      }
621      if(err & std::ios_base::failbit){
622        typedef typename special_values_parser_type::match_results match_results;
623        match_results mr;
624        if(c == '-' || c == '+') { // was the first character consumed?
625          mr.cache += c;
626        }
627        m_sv_parser.match(from, to, mr);
628        if(mr.current_match == match_results::PARSE_ERROR) {
629          boost::throw_exception(std::ios_base::failure("Parse failed. No match found for '" + mr.cache + "'"));
630          BOOST_DATE_TIME_UNREACHABLE_EXPRESSION(return from); // should never reach
631        }
632        dd = duration_type(static_cast<special_values>(mr.current_match));
633      }
634      else {
635        dd = duration_type(val);
636      }
637      return from;
638    }
639    InItrT get(InItrT& from,
640               InItrT& to,
641               std::ios_base& a_ios,
642               period_type& p) const
643    {
644      p = m_period_parser.get_period(from, to, a_ios, p, duration_type::unit(), *this);
645      return from;
646    }
647    InItrT get(InItrT& from,
648               InItrT& to,
649               std::ios_base& a_ios,
650               nth_kday_type& nkd) const
651    {
652      nkd = m_date_gen_parser.get_nth_kday_type(from, to, a_ios, *this);
653      return from;
654    }
655    InItrT get(InItrT& from,
656               InItrT& to,
657               std::ios_base& a_ios,
658               partial_date_type& pd) const
659    {
660
661      pd = m_date_gen_parser.get_partial_date_type(from, to, a_ios, *this);
662      return from;
663    }
664    InItrT get(InItrT& from,
665               InItrT& to,
666               std::ios_base& a_ios,
667               first_kday_type& fkd) const
668    {
669      fkd = m_date_gen_parser.get_first_kday_type(from, to, a_ios, *this);
670      return from;
671    }
672    InItrT get(InItrT& from,
673               InItrT& to,
674               std::ios_base& a_ios,
675               last_kday_type& lkd) const
676    {
677      lkd = m_date_gen_parser.get_last_kday_type(from, to, a_ios, *this);
678      return from;
679    }
680    InItrT get(InItrT& from,
681               InItrT& to,
682               std::ios_base& a_ios,
683               kday_before_type& fkb) const
684    {
685      fkb = m_date_gen_parser.get_kday_before_type(from, to, a_ios, *this);
686      return from;
687    }
688    InItrT get(InItrT& from,
689               InItrT& to,
690               std::ios_base& a_ios,
691               kday_after_type& fka) const
692    {
693      fka = m_date_gen_parser.get_kday_after_type(from, to, a_ios, *this);
694      return from;
695    }
696
697  protected:
698    string_type                   m_format;
699    string_type                   m_month_format;
700    string_type                   m_weekday_format;
701    string_type                   m_year_format;
702    format_date_parser_type       m_parser;
703    date_gen_parser_type          m_date_gen_parser;
704    period_parser_type            m_period_parser;
705    special_values_parser_type    m_sv_parser;
706  private:
707  };
708
709
710  template <class date_type, class CharT, class OutItrT>
711  std::locale::id date_input_facet<date_type, CharT, OutItrT>::id;
712
713  template <class date_type, class CharT, class OutItrT>
714  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
715  date_input_facet<date_type, CharT, OutItrT>::long_weekday_format[3] = {'%','A'};
716
717  template <class date_type, class CharT, class OutItrT>
718  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
719  date_input_facet<date_type, CharT, OutItrT>::short_weekday_format[3] = {'%','a'};
720
721  template <class date_type, class CharT, class OutItrT>
722  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
723  date_input_facet<date_type, CharT, OutItrT>::long_month_format[3] = {'%','B'};
724
725  template <class date_type, class CharT, class OutItrT>
726  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
727  date_input_facet<date_type, CharT, OutItrT>::short_month_format[3] = {'%','b'};
728
729  template <class date_type, class CharT, class OutItrT>
730  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
731  date_input_facet<date_type, CharT, OutItrT>::four_digit_year_format[3] = {'%','Y'};
732
733  template <class date_type, class CharT, class OutItrT>
734  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
735  date_input_facet<date_type, CharT, OutItrT>::two_digit_year_format[3] = {'%','y'};
736
737  template <class date_type, class CharT, class OutItrT>
738  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
739  date_input_facet<date_type, CharT, OutItrT>::default_period_separator[4] = { ' ', '/', ' '};
740
741  template <class date_type, class CharT, class OutItrT>
742  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
743  date_input_facet<date_type, CharT, OutItrT>::standard_format_specifier[3] =
744    {'%', 'x' };
745
746  template <class date_type, class CharT, class OutItrT>
747  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
748  date_input_facet<date_type, CharT, OutItrT>::iso_format_specifier[7] =
749    {'%', 'Y', '%', 'm', '%', 'd' };
750
751  template <class date_type, class CharT, class OutItrT>
752  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
753  date_input_facet<date_type, CharT, OutItrT>::iso_format_extended_specifier[9] =
754    {'%', 'Y', '-', '%', 'm', '-', '%', 'd' };
755
756  template <class date_type, class CharT, class OutItrT>
757  const typename date_input_facet<date_type, CharT, OutItrT>::char_type
758  date_input_facet<date_type, CharT, OutItrT>::default_date_format[9] =
759    {'%','Y','-','%','b','-','%','d'};
760
761} } // namespaces
762
763
764#endif