libstdc++
locale_facets_nonio.tcc
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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.tcc
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 #ifndef _LOCALE_FACETS_NONIO_TCC
31 #define _LOCALE_FACETS_NONIO_TCC 1
32 
33 #pragma GCC system_header
34 
35 namespace std _GLIBCXX_VISIBILITY(default)
36 {
37 _GLIBCXX_BEGIN_NAMESPACE_VERSION
38 
39  template<typename _CharT, bool _Intl>
40  struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
41  {
42  const __moneypunct_cache<_CharT, _Intl>*
43  operator() (const locale& __loc) const
44  {
45  const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
46  const locale::facet** __caches = __loc._M_impl->_M_caches;
47  if (!__caches[__i])
48  {
49  __moneypunct_cache<_CharT, _Intl>* __tmp = 0;
50  __try
51  {
52  __tmp = new __moneypunct_cache<_CharT, _Intl>;
53  __tmp->_M_cache(__loc);
54  }
55  __catch(...)
56  {
57  delete __tmp;
58  __throw_exception_again;
59  }
60  __loc._M_impl->_M_install_cache(__tmp, __i);
61  }
62  return static_cast<
63  const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
64  }
65  };
66 
67  template<typename _CharT, bool _Intl>
68  void
69  __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
70  {
71  const moneypunct<_CharT, _Intl>& __mp =
72  use_facet<moneypunct<_CharT, _Intl> >(__loc);
73 
74  _M_decimal_point = __mp.decimal_point();
75  _M_thousands_sep = __mp.thousands_sep();
76  _M_frac_digits = __mp.frac_digits();
77 
78  char* __grouping = 0;
79  _CharT* __curr_symbol = 0;
80  _CharT* __positive_sign = 0;
81  _CharT* __negative_sign = 0;
82  __try
83  {
84  const string& __g = __mp.grouping();
85  _M_grouping_size = __g.size();
86  __grouping = new char[_M_grouping_size];
87  __g.copy(__grouping, _M_grouping_size);
88  _M_use_grouping = (_M_grouping_size
89  && static_cast<signed char>(__grouping[0]) > 0
90  && (__grouping[0]
91  != __gnu_cxx::__numeric_traits<char>::__max));
92 
93  const basic_string<_CharT>& __cs = __mp.curr_symbol();
94  _M_curr_symbol_size = __cs.size();
95  __curr_symbol = new _CharT[_M_curr_symbol_size];
96  __cs.copy(__curr_symbol, _M_curr_symbol_size);
97 
98  const basic_string<_CharT>& __ps = __mp.positive_sign();
99  _M_positive_sign_size = __ps.size();
100  __positive_sign = new _CharT[_M_positive_sign_size];
101  __ps.copy(__positive_sign, _M_positive_sign_size);
102 
103  const basic_string<_CharT>& __ns = __mp.negative_sign();
104  _M_negative_sign_size = __ns.size();
105  __negative_sign = new _CharT[_M_negative_sign_size];
106  __ns.copy(__negative_sign, _M_negative_sign_size);
107 
108  _M_pos_format = __mp.pos_format();
109  _M_neg_format = __mp.neg_format();
110 
111  const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
112  __ct.widen(money_base::_S_atoms,
113  money_base::_S_atoms + money_base::_S_end, _M_atoms);
114 
115  _M_grouping = __grouping;
116  _M_curr_symbol = __curr_symbol;
117  _M_positive_sign = __positive_sign;
118  _M_negative_sign = __negative_sign;
119  _M_allocated = true;
120  }
121  __catch(...)
122  {
123  delete [] __grouping;
124  delete [] __curr_symbol;
125  delete [] __positive_sign;
126  delete [] __negative_sign;
127  __throw_exception_again;
128  }
129  }
130 
131 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
132 
133  template<typename _CharT, typename _InIter>
134  template<bool _Intl>
135  _InIter
136  money_get<_CharT, _InIter>::
137  _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
138  ios_base::iostate& __err, string& __units) const
139  {
140  typedef char_traits<_CharT> __traits_type;
141  typedef typename string_type::size_type size_type;
142  typedef money_base::part part;
143  typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
144 
145  const locale& __loc = __io._M_getloc();
146  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
147 
148  __use_cache<__cache_type> __uc;
149  const __cache_type* __lc = __uc(__loc);
150  const char_type* __lit = __lc->_M_atoms;
151 
152  // Deduced sign.
153  bool __negative = false;
154  // Sign size.
155  size_type __sign_size = 0;
156  // True if sign is mandatory.
157  const bool __mandatory_sign = (__lc->_M_positive_sign_size
158  && __lc->_M_negative_sign_size);
159  // String of grouping info from thousands_sep plucked from __units.
160  string __grouping_tmp;
161  if (__lc->_M_use_grouping)
162  __grouping_tmp.reserve(32);
163  // Last position before the decimal point.
164  int __last_pos = 0;
165  // Separator positions, then, possibly, fractional digits.
166  int __n = 0;
167  // If input iterator is in a valid state.
168  bool __testvalid = true;
169  // Flag marking when a decimal point is found.
170  bool __testdecfound = false;
171 
172  // The tentative returned string is stored here.
173  string __res;
174  __res.reserve(32);
175 
176  const char_type* __lit_zero = __lit + money_base::_S_zero;
177  const money_base::pattern __p = __lc->_M_neg_format;
178  for (int __i = 0; __i < 4 && __testvalid; ++__i)
179  {
180  const part __which = static_cast<part>(__p.field[__i]);
181  switch (__which)
182  {
183  case money_base::symbol:
184  // According to 22.2.6.1.2, p2, symbol is required
185  // if (__io.flags() & ios_base::showbase), otherwise
186  // is optional and consumed only if other characters
187  // are needed to complete the format.
188  if (__io.flags() & ios_base::showbase || __sign_size > 1
189  || __i == 0
190  || (__i == 1 && (__mandatory_sign
191  || (static_cast<part>(__p.field[0])
192  == money_base::sign)
193  || (static_cast<part>(__p.field[2])
194  == money_base::space)))
195  || (__i == 2 && ((static_cast<part>(__p.field[3])
196  == money_base::value)
197  || (__mandatory_sign
198  && (static_cast<part>(__p.field[3])
199  == money_base::sign)))))
200  {
201  const size_type __len = __lc->_M_curr_symbol_size;
202  size_type __j = 0;
203  for (; __beg != __end && __j < __len
204  && *__beg == __lc->_M_curr_symbol[__j];
205  ++__beg, (void)++__j);
206  if (__j != __len
207  && (__j || __io.flags() & ios_base::showbase))
208  __testvalid = false;
209  }
210  break;
211  case money_base::sign:
212  // Sign might not exist, or be more than one character long.
213  if (__lc->_M_positive_sign_size && __beg != __end
214  && *__beg == __lc->_M_positive_sign[0])
215  {
216  __sign_size = __lc->_M_positive_sign_size;
217  ++__beg;
218  }
219  else if (__lc->_M_negative_sign_size && __beg != __end
220  && *__beg == __lc->_M_negative_sign[0])
221  {
222  __negative = true;
223  __sign_size = __lc->_M_negative_sign_size;
224  ++__beg;
225  }
226  else if (__lc->_M_positive_sign_size
227  && !__lc->_M_negative_sign_size)
228  // "... if no sign is detected, the result is given the sign
229  // that corresponds to the source of the empty string"
230  __negative = true;
231  else if (__mandatory_sign)
232  __testvalid = false;
233  break;
234  case money_base::value:
235  // Extract digits, remove and stash away the
236  // grouping of found thousands separators.
237  for (; __beg != __end; ++__beg)
238  {
239  const char_type __c = *__beg;
240  const char_type* __q = __traits_type::find(__lit_zero,
241  10, __c);
242  if (__q != 0)
243  {
244  __res += money_base::_S_atoms[__q - __lit];
245  ++__n;
246  }
247  else if (__c == __lc->_M_decimal_point
248  && !__testdecfound)
249  {
250  if (__lc->_M_frac_digits <= 0)
251  break;
252 
253  __last_pos = __n;
254  __n = 0;
255  __testdecfound = true;
256  }
257  else if (__lc->_M_use_grouping
258  && __c == __lc->_M_thousands_sep
259  && !__testdecfound)
260  {
261  if (__n)
262  {
263  // Mark position for later analysis.
264  __grouping_tmp += static_cast<char>(__n);
265  __n = 0;
266  }
267  else
268  {
269  __testvalid = false;
270  break;
271  }
272  }
273  else
274  break;
275  }
276  if (__res.empty())
277  __testvalid = false;
278  break;
279  case money_base::space:
280  // At least one space is required.
281  if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
282  ++__beg;
283  else
284  __testvalid = false;
285  case money_base::none:
286  // Only if not at the end of the pattern.
287  if (__i != 3)
288  for (; __beg != __end
289  && __ctype.is(ctype_base::space, *__beg); ++__beg);
290  break;
291  }
292  }
293 
294  // Need to get the rest of the sign characters, if they exist.
295  if (__sign_size > 1 && __testvalid)
296  {
297  const char_type* __sign = __negative ? __lc->_M_negative_sign
298  : __lc->_M_positive_sign;
299  size_type __i = 1;
300  for (; __beg != __end && __i < __sign_size
301  && *__beg == __sign[__i]; ++__beg, (void)++__i);
302 
303  if (__i != __sign_size)
304  __testvalid = false;
305  }
306 
307  if (__testvalid)
308  {
309  // Strip leading zeros.
310  if (__res.size() > 1)
311  {
312  const size_type __first = __res.find_first_not_of('0');
313  const bool __only_zeros = __first == string::npos;
314  if (__first)
315  __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
316  }
317 
318  // 22.2.6.1.2, p4
319  if (__negative && __res[0] != '0')
320  __res.insert(__res.begin(), '-');
321 
322  // Test for grouping fidelity.
323  if (__grouping_tmp.size())
324  {
325  // Add the ending grouping.
326  __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
327  : __n);
328  if (!std::__verify_grouping(__lc->_M_grouping,
329  __lc->_M_grouping_size,
330  __grouping_tmp))
331  __err |= ios_base::failbit;
332  }
333 
334  // Iff not enough digits were supplied after the decimal-point.
335  if (__testdecfound && __n != __lc->_M_frac_digits)
336  __testvalid = false;
337  }
338 
339  // Iff valid sequence is not recognized.
340  if (!__testvalid)
341  __err |= ios_base::failbit;
342  else
343  __units.swap(__res);
344 
345  // Iff no more characters are available.
346  if (__beg == __end)
347  __err |= ios_base::eofbit;
348  return __beg;
349  }
350 
351 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
352  && _GLIBCXX_USE_CXX11_ABI == 0
353  template<typename _CharT, typename _InIter>
354  _InIter
355  money_get<_CharT, _InIter>::
356  __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
357  ios_base::iostate& __err, double& __units) const
358  {
359  string __str;
360  __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
361  : _M_extract<false>(__beg, __end, __io, __err, __str);
362  std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
363  return __beg;
364  }
365 #endif
366 
367  template<typename _CharT, typename _InIter>
368  _InIter
370  do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
371  ios_base::iostate& __err, long double& __units) const
372  {
373  string __str;
374  __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
375  : _M_extract<false>(__beg, __end, __io, __err, __str);
376  std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
377  return __beg;
378  }
379 
380  template<typename _CharT, typename _InIter>
381  _InIter
383  do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
384  ios_base::iostate& __err, string_type& __digits) const
385  {
386  typedef typename string::size_type size_type;
387 
388  const locale& __loc = __io._M_getloc();
389  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
390 
391  string __str;
392  __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
393  : _M_extract<false>(__beg, __end, __io, __err, __str);
394  const size_type __len = __str.size();
395  if (__len)
396  {
397  __digits.resize(__len);
398  __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
399  }
400  return __beg;
401  }
402 
403  template<typename _CharT, typename _OutIter>
404  template<bool _Intl>
405  _OutIter
407  _M_insert(iter_type __s, ios_base& __io, char_type __fill,
408  const string_type& __digits) const
409  {
410  typedef typename string_type::size_type size_type;
411  typedef money_base::part part;
412  typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
413 
414  const locale& __loc = __io._M_getloc();
415  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
416 
417  __use_cache<__cache_type> __uc;
418  const __cache_type* __lc = __uc(__loc);
419  const char_type* __lit = __lc->_M_atoms;
420 
421  // Determine if negative or positive formats are to be used, and
422  // discard leading negative_sign if it is present.
423  const char_type* __beg = __digits.data();
424 
425  money_base::pattern __p;
426  const char_type* __sign;
427  size_type __sign_size;
428  if (!(*__beg == __lit[money_base::_S_minus]))
429  {
430  __p = __lc->_M_pos_format;
431  __sign = __lc->_M_positive_sign;
432  __sign_size = __lc->_M_positive_sign_size;
433  }
434  else
435  {
436  __p = __lc->_M_neg_format;
437  __sign = __lc->_M_negative_sign;
438  __sign_size = __lc->_M_negative_sign_size;
439  if (__digits.size())
440  ++__beg;
441  }
442 
443  // Look for valid numbers in the ctype facet within input digits.
444  size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
445  __beg + __digits.size()) - __beg;
446  if (__len)
447  {
448  // Assume valid input, and attempt to format.
449  // Break down input numbers into base components, as follows:
450  // final_value = grouped units + (decimal point) + (digits)
451  string_type __value;
452  __value.reserve(2 * __len);
453 
454  // Add thousands separators to non-decimal digits, per
455  // grouping rules.
456  long __paddec = __len - __lc->_M_frac_digits;
457  if (__paddec > 0)
458  {
459  if (__lc->_M_frac_digits < 0)
460  __paddec = __len;
461  if (__lc->_M_grouping_size)
462  {
463  __value.assign(2 * __paddec, char_type());
464  _CharT* __vend =
465  std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
466  __lc->_M_grouping,
467  __lc->_M_grouping_size,
468  __beg, __beg + __paddec);
469  __value.erase(__vend - &__value[0]);
470  }
471  else
472  __value.assign(__beg, __paddec);
473  }
474 
475  // Deal with decimal point, decimal digits.
476  if (__lc->_M_frac_digits > 0)
477  {
478  __value += __lc->_M_decimal_point;
479  if (__paddec >= 0)
480  __value.append(__beg + __paddec, __lc->_M_frac_digits);
481  else
482  {
483  // Have to pad zeros in the decimal position.
484  __value.append(-__paddec, __lit[money_base::_S_zero]);
485  __value.append(__beg, __len);
486  }
487  }
488 
489  // Calculate length of resulting string.
490  const ios_base::fmtflags __f = __io.flags()
492  __len = __value.size() + __sign_size;
493  __len += ((__io.flags() & ios_base::showbase)
494  ? __lc->_M_curr_symbol_size : 0);
495 
496  string_type __res;
497  __res.reserve(2 * __len);
498 
499  const size_type __width = static_cast<size_type>(__io.width());
500  const bool __testipad = (__f == ios_base::internal
501  && __len < __width);
502  // Fit formatted digits into the required pattern.
503  for (int __i = 0; __i < 4; ++__i)
504  {
505  const part __which = static_cast<part>(__p.field[__i]);
506  switch (__which)
507  {
508  case money_base::symbol:
509  if (__io.flags() & ios_base::showbase)
510  __res.append(__lc->_M_curr_symbol,
511  __lc->_M_curr_symbol_size);
512  break;
513  case money_base::sign:
514  // Sign might not exist, or be more than one
515  // character long. In that case, add in the rest
516  // below.
517  if (__sign_size)
518  __res += __sign[0];
519  break;
520  case money_base::value:
521  __res += __value;
522  break;
523  case money_base::space:
524  // At least one space is required, but if internal
525  // formatting is required, an arbitrary number of
526  // fill spaces will be necessary.
527  if (__testipad)
528  __res.append(__width - __len, __fill);
529  else
530  __res += __fill;
531  break;
532  case money_base::none:
533  if (__testipad)
534  __res.append(__width - __len, __fill);
535  break;
536  }
537  }
538 
539  // Special case of multi-part sign parts.
540  if (__sign_size > 1)
541  __res.append(__sign + 1, __sign_size - 1);
542 
543  // Pad, if still necessary.
544  __len = __res.size();
545  if (__width > __len)
546  {
547  if (__f == ios_base::left)
548  // After.
549  __res.append(__width - __len, __fill);
550  else
551  // Before.
552  __res.insert(0, __width - __len, __fill);
553  __len = __width;
554  }
555 
556  // Write resulting, fully-formatted string to output iterator.
557  __s = std::__write(__s, __res.data(), __len);
558  }
559  __io.width(0);
560  return __s;
561  }
562 
563 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
564  && _GLIBCXX_USE_CXX11_ABI == 0
565  template<typename _CharT, typename _OutIter>
566  _OutIter
568  __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
569  double __units) const
570  { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
571 #endif
572 
573  template<typename _CharT, typename _OutIter>
574  _OutIter
576  do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
577  long double __units) const
578  {
579  const locale __loc = __io.getloc();
580  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
581 #if _GLIBCXX_USE_C99_STDIO
582  // First try a buffer perhaps big enough.
583  int __cs_size = 64;
584  char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
585  // _GLIBCXX_RESOLVE_LIB_DEFECTS
586  // 328. Bad sprintf format modifier in money_put<>::do_put()
587  int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
588  "%.*Lf", 0, __units);
589  // If the buffer was not large enough, try again with the correct size.
590  if (__len >= __cs_size)
591  {
592  __cs_size = __len + 1;
593  __cs = static_cast<char*>(__builtin_alloca(__cs_size));
594  __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
595  "%.*Lf", 0, __units);
596  }
597 #else
598  // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
599  const int __cs_size =
600  __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 3;
601  char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
602  int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
603  0, __units);
604 #endif
605  string_type __digits(__len, char_type());
606  __ctype.widen(__cs, __cs + __len, &__digits[0]);
607  return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
608  : _M_insert<false>(__s, __io, __fill, __digits);
609  }
610 
611  template<typename _CharT, typename _OutIter>
612  _OutIter
614  do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
615  const string_type& __digits) const
616  { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
617  : _M_insert<false>(__s, __io, __fill, __digits); }
618 
619 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
620 
621  // NB: Not especially useful. Without an ios_base object or some
622  // kind of locale reference, we are left clawing at the air where
623  // the side of the mountain used to be...
624  template<typename _CharT, typename _InIter>
625  time_base::dateorder
627  { return time_base::no_order; }
628 
629  // Expand a strftime format string and parse it. E.g., do_get_date() may
630  // pass %m/%d/%Y => extracted characters.
631  template<typename _CharT, typename _InIter>
632  _InIter
635  ios_base::iostate& __err, tm* __tm,
636  const _CharT* __format) const
637  {
638  const locale& __loc = __io._M_getloc();
639  const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
640  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
641  const size_t __len = char_traits<_CharT>::length(__format);
642 
643  ios_base::iostate __tmperr = ios_base::goodbit;
644  size_t __i = 0;
645  for (; __beg != __end && __i < __len && !__tmperr; ++__i)
646  {
647  if (__ctype.narrow(__format[__i], 0) == '%')
648  {
649  // Verify valid formatting code, attempt to extract.
650  char __c = __ctype.narrow(__format[++__i], 0);
651  int __mem = 0;
652  if (__c == 'E' || __c == 'O')
653  __c = __ctype.narrow(__format[++__i], 0);
654  switch (__c)
655  {
656  const char* __cs;
657  _CharT __wcs[10];
658  case 'a':
659  // Abbreviated weekday name [tm_wday]
660  const char_type* __days1[7];
661  __tp._M_days_abbreviated(__days1);
662  __beg = _M_extract_name(__beg, __end, __mem, __days1,
663  7, __io, __tmperr);
664  if (!__tmperr)
665  __tm->tm_wday = __mem;
666  break;
667  case 'A':
668  // Weekday name [tm_wday].
669  const char_type* __days2[7];
670  __tp._M_days(__days2);
671  __beg = _M_extract_name(__beg, __end, __mem, __days2,
672  7, __io, __tmperr);
673  if (!__tmperr)
674  __tm->tm_wday = __mem;
675  break;
676  case 'h':
677  case 'b':
678  // Abbreviated month name [tm_mon]
679  const char_type* __months1[12];
680  __tp._M_months_abbreviated(__months1);
681  __beg = _M_extract_name(__beg, __end, __mem,
682  __months1, 12, __io, __tmperr);
683  if (!__tmperr)
684  __tm->tm_mon = __mem;
685  break;
686  case 'B':
687  // Month name [tm_mon].
688  const char_type* __months2[12];
689  __tp._M_months(__months2);
690  __beg = _M_extract_name(__beg, __end, __mem,
691  __months2, 12, __io, __tmperr);
692  if (!__tmperr)
693  __tm->tm_mon = __mem;
694  break;
695  case 'c':
696  // Default time and date representation.
697  const char_type* __dt[2];
698  __tp._M_date_time_formats(__dt);
699  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
700  __tm, __dt[0]);
701  break;
702  case 'd':
703  // Day [01, 31]. [tm_mday]
704  __beg = _M_extract_num(__beg, __end, __mem, 1, 31, 2,
705  __io, __tmperr);
706  if (!__tmperr)
707  __tm->tm_mday = __mem;
708  break;
709  case 'e':
710  // Day [1, 31], with single digits preceded by
711  // space. [tm_mday]
712  if (__ctype.is(ctype_base::space, *__beg))
713  __beg = _M_extract_num(++__beg, __end, __mem, 1, 9,
714  1, __io, __tmperr);
715  else
716  __beg = _M_extract_num(__beg, __end, __mem, 10, 31,
717  2, __io, __tmperr);
718  if (!__tmperr)
719  __tm->tm_mday = __mem;
720  break;
721  case 'D':
722  // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
723  __cs = "%m/%d/%y";
724  __ctype.widen(__cs, __cs + 9, __wcs);
725  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
726  __tm, __wcs);
727  break;
728  case 'H':
729  // Hour [00, 23]. [tm_hour]
730  __beg = _M_extract_num(__beg, __end, __mem, 0, 23, 2,
731  __io, __tmperr);
732  if (!__tmperr)
733  __tm->tm_hour = __mem;
734  break;
735  case 'I':
736  // Hour [01, 12]. [tm_hour]
737  __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
738  __io, __tmperr);
739  if (!__tmperr)
740  __tm->tm_hour = __mem;
741  break;
742  case 'm':
743  // Month [01, 12]. [tm_mon]
744  __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
745  __io, __tmperr);
746  if (!__tmperr)
747  __tm->tm_mon = __mem - 1;
748  break;
749  case 'M':
750  // Minute [00, 59]. [tm_min]
751  __beg = _M_extract_num(__beg, __end, __mem, 0, 59, 2,
752  __io, __tmperr);
753  if (!__tmperr)
754  __tm->tm_min = __mem;
755  break;
756  case 'n':
757  if (__ctype.narrow(*__beg, 0) == '\n')
758  ++__beg;
759  else
760  __tmperr |= ios_base::failbit;
761  break;
762  case 'R':
763  // Equivalent to (%H:%M).
764  __cs = "%H:%M";
765  __ctype.widen(__cs, __cs + 6, __wcs);
766  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
767  __tm, __wcs);
768  break;
769  case 'S':
770  // Seconds. [tm_sec]
771  // [00, 60] in C99 (one leap-second), [00, 61] in C89.
772 #if _GLIBCXX_USE_C99
773  __beg = _M_extract_num(__beg, __end, __mem, 0, 60, 2,
774 #else
775  __beg = _M_extract_num(__beg, __end, __mem, 0, 61, 2,
776 #endif
777  __io, __tmperr);
778  if (!__tmperr)
779  __tm->tm_sec = __mem;
780  break;
781  case 't':
782  if (__ctype.narrow(*__beg, 0) == '\t')
783  ++__beg;
784  else
785  __tmperr |= ios_base::failbit;
786  break;
787  case 'T':
788  // Equivalent to (%H:%M:%S).
789  __cs = "%H:%M:%S";
790  __ctype.widen(__cs, __cs + 9, __wcs);
791  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
792  __tm, __wcs);
793  break;
794  case 'x':
795  // Locale's date.
796  const char_type* __dates[2];
797  __tp._M_date_formats(__dates);
798  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
799  __tm, __dates[0]);
800  break;
801  case 'X':
802  // Locale's time.
803  const char_type* __times[2];
804  __tp._M_time_formats(__times);
805  __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
806  __tm, __times[0]);
807  break;
808  case 'y':
809  case 'C': // C99
810  // Two digit year.
811  case 'Y':
812  // Year [1900).
813  // NB: We parse either two digits, implicitly years since
814  // 1900, or 4 digits, full year. In both cases we can
815  // reconstruct [tm_year]. See also libstdc++/26701.
816  __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
817  __io, __tmperr);
818  if (!__tmperr)
819  __tm->tm_year = __mem < 0 ? __mem + 100 : __mem - 1900;
820  break;
821  case 'Z':
822  // Timezone info.
823  if (__ctype.is(ctype_base::upper, *__beg))
824  {
825  int __tmp;
826  __beg = _M_extract_name(__beg, __end, __tmp,
827  __timepunct_cache<_CharT>::_S_timezones,
828  14, __io, __tmperr);
829 
830  // GMT requires special effort.
831  if (__beg != __end && !__tmperr && __tmp == 0
832  && (*__beg == __ctype.widen('-')
833  || *__beg == __ctype.widen('+')))
834  {
835  __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
836  __io, __tmperr);
837  __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
838  __io, __tmperr);
839  }
840  }
841  else
842  __tmperr |= ios_base::failbit;
843  break;
844  default:
845  // Not recognized.
846  __tmperr |= ios_base::failbit;
847  }
848  }
849  else
850  {
851  // Verify format and input match, extract and discard.
852  if (__format[__i] == *__beg)
853  ++__beg;
854  else
855  __tmperr |= ios_base::failbit;
856  }
857  }
858 
859  if (__tmperr || __i != __len)
860  __err |= ios_base::failbit;
861 
862  return __beg;
863  }
864 
865  template<typename _CharT, typename _InIter>
866  _InIter
868  _M_extract_num(iter_type __beg, iter_type __end, int& __member,
869  int __min, int __max, size_t __len,
870  ios_base& __io, ios_base::iostate& __err) const
871  {
872  const locale& __loc = __io._M_getloc();
873  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
874 
875  // As-is works for __len = 1, 2, 4, the values actually used.
876  int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
877 
878  ++__min;
879  size_t __i = 0;
880  int __value = 0;
881  for (; __beg != __end && __i < __len; ++__beg, (void)++__i)
882  {
883  const char __c = __ctype.narrow(*__beg, '*');
884  if (__c >= '0' && __c <= '9')
885  {
886  __value = __value * 10 + (__c - '0');
887  const int __valuec = __value * __mult;
888  if (__valuec > __max || __valuec + __mult < __min)
889  break;
890  __mult /= 10;
891  }
892  else
893  break;
894  }
895  if (__i == __len)
896  __member = __value;
897  // Special encoding for do_get_year, 'y', and 'Y' above.
898  else if (__len == 4 && __i == 2)
899  __member = __value - 100;
900  else
901  __err |= ios_base::failbit;
902 
903  return __beg;
904  }
905 
906  // Assumptions:
907  // All elements in __names are unique.
908  template<typename _CharT, typename _InIter>
909  _InIter
911  _M_extract_name(iter_type __beg, iter_type __end, int& __member,
912  const _CharT** __names, size_t __indexlen,
913  ios_base& __io, ios_base::iostate& __err) const
914  {
915  typedef char_traits<_CharT> __traits_type;
916  const locale& __loc = __io._M_getloc();
917  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
918 
919  int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
920  * __indexlen));
921  size_t __nmatches = 0;
922  size_t __pos = 0;
923  bool __testvalid = true;
924  const char_type* __name;
925 
926  // Look for initial matches.
927  // NB: Some of the locale data is in the form of all lowercase
928  // names, and some is in the form of initially-capitalized
929  // names. Look for both.
930  if (__beg != __end)
931  {
932  const char_type __c = *__beg;
933  for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
934  if (__c == __names[__i1][0]
935  || __c == __ctype.toupper(__names[__i1][0]))
936  __matches[__nmatches++] = __i1;
937  }
938 
939  while (__nmatches > 1)
940  {
941  // Find smallest matching string.
942  size_t __minlen = __traits_type::length(__names[__matches[0]]);
943  for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
944  __minlen = std::min(__minlen,
945  __traits_type::length(__names[__matches[__i2]]));
946  ++__beg;
947  ++__pos;
948  if (__pos < __minlen && __beg != __end)
949  for (size_t __i3 = 0; __i3 < __nmatches;)
950  {
951  __name = __names[__matches[__i3]];
952  if (!(__name[__pos] == *__beg))
953  __matches[__i3] = __matches[--__nmatches];
954  else
955  ++__i3;
956  }
957  else
958  break;
959  }
960 
961  if (__nmatches == 1)
962  {
963  // Make sure found name is completely extracted.
964  ++__beg;
965  ++__pos;
966  __name = __names[__matches[0]];
967  const size_t __len = __traits_type::length(__name);
968  while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
969  ++__beg, (void)++__pos;
970 
971  if (__len == __pos)
972  __member = __matches[0];
973  else
974  __testvalid = false;
975  }
976  else
977  __testvalid = false;
978  if (!__testvalid)
979  __err |= ios_base::failbit;
980 
981  return __beg;
982  }
983 
984  template<typename _CharT, typename _InIter>
985  _InIter
987  _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member,
988  const _CharT** __names, size_t __indexlen,
989  ios_base& __io, ios_base::iostate& __err) const
990  {
991  typedef char_traits<_CharT> __traits_type;
992  const locale& __loc = __io._M_getloc();
993  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
994 
995  int* __matches = static_cast<int*>(__builtin_alloca(2 * sizeof(int)
996  * __indexlen));
997  size_t __nmatches = 0;
998  size_t* __matches_lengths = 0;
999  size_t __pos = 0;
1000 
1001  if (__beg != __end)
1002  {
1003  const char_type __c = *__beg;
1004  for (size_t __i = 0; __i < 2 * __indexlen; ++__i)
1005  if (__c == __names[__i][0]
1006  || __c == __ctype.toupper(__names[__i][0]))
1007  __matches[__nmatches++] = __i;
1008  }
1009 
1010  if (__nmatches)
1011  {
1012  ++__beg;
1013  ++__pos;
1014 
1015  __matches_lengths
1016  = static_cast<size_t*>(__builtin_alloca(sizeof(size_t)
1017  * __nmatches));
1018  for (size_t __i = 0; __i < __nmatches; ++__i)
1019  __matches_lengths[__i]
1020  = __traits_type::length(__names[__matches[__i]]);
1021  }
1022 
1023  for (; __beg != __end; ++__beg, (void)++__pos)
1024  {
1025  size_t __nskipped = 0;
1026  const char_type __c = *__beg;
1027  for (size_t __i = 0; __i < __nmatches;)
1028  {
1029  const char_type* __name = __names[__matches[__i]];
1030  if (__pos >= __matches_lengths[__i])
1031  ++__nskipped, ++__i;
1032  else if (!(__name[__pos] == __c))
1033  {
1034  --__nmatches;
1035  __matches[__i] = __matches[__nmatches];
1036  __matches_lengths[__i] = __matches_lengths[__nmatches];
1037  }
1038  else
1039  ++__i;
1040  }
1041  if (__nskipped == __nmatches)
1042  break;
1043  }
1044 
1045  if ((__nmatches == 1 && __matches_lengths[0] == __pos)
1046  || (__nmatches == 2 && (__matches_lengths[0] == __pos
1047  || __matches_lengths[1] == __pos)))
1048  __member = (__matches[0] >= __indexlen
1049  ? __matches[0] - __indexlen : __matches[0]);
1050  else
1051  __err |= ios_base::failbit;
1052 
1053  return __beg;
1054  }
1055 
1056  template<typename _CharT, typename _InIter>
1057  _InIter
1060  ios_base::iostate& __err, tm* __tm) const
1061  {
1062  const locale& __loc = __io._M_getloc();
1063  const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1064  const char_type* __times[2];
1065  __tp._M_time_formats(__times);
1066  __beg = _M_extract_via_format(__beg, __end, __io, __err,
1067  __tm, __times[0]);
1068  if (__beg == __end)
1069  __err |= ios_base::eofbit;
1070  return __beg;
1071  }
1072 
1073  template<typename _CharT, typename _InIter>
1074  _InIter
1077  ios_base::iostate& __err, tm* __tm) const
1078  {
1079  const locale& __loc = __io._M_getloc();
1080  const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1081  const char_type* __dates[2];
1082  __tp._M_date_formats(__dates);
1083  __beg = _M_extract_via_format(__beg, __end, __io, __err,
1084  __tm, __dates[0]);
1085  if (__beg == __end)
1086  __err |= ios_base::eofbit;
1087  return __beg;
1088  }
1089 
1090  template<typename _CharT, typename _InIter>
1091  _InIter
1094  ios_base::iostate& __err, tm* __tm) const
1095  {
1096  const locale& __loc = __io._M_getloc();
1097  const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1098  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1099  const char_type* __days[14];
1100  __tp._M_days_abbreviated(__days);
1101  __tp._M_days(__days + 7);
1102  int __tmpwday;
1103  ios_base::iostate __tmperr = ios_base::goodbit;
1104 
1105  __beg = _M_extract_wday_or_month(__beg, __end, __tmpwday, __days, 7,
1106  __io, __tmperr);
1107  if (!__tmperr)
1108  __tm->tm_wday = __tmpwday;
1109  else
1110  __err |= ios_base::failbit;
1111 
1112  if (__beg == __end)
1113  __err |= ios_base::eofbit;
1114  return __beg;
1115  }
1116 
1117  template<typename _CharT, typename _InIter>
1118  _InIter
1121  ios_base& __io, ios_base::iostate& __err, tm* __tm) const
1122  {
1123  const locale& __loc = __io._M_getloc();
1124  const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1125  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1126  const char_type* __months[24];
1127  __tp._M_months_abbreviated(__months);
1128  __tp._M_months(__months + 12);
1129  int __tmpmon;
1130  ios_base::iostate __tmperr = ios_base::goodbit;
1131 
1132  __beg = _M_extract_wday_or_month(__beg, __end, __tmpmon, __months, 12,
1133  __io, __tmperr);
1134  if (!__tmperr)
1135  __tm->tm_mon = __tmpmon;
1136  else
1137  __err |= ios_base::failbit;
1138 
1139  if (__beg == __end)
1140  __err |= ios_base::eofbit;
1141  return __beg;
1142  }
1143 
1144  template<typename _CharT, typename _InIter>
1145  _InIter
1148  ios_base::iostate& __err, tm* __tm) const
1149  {
1150  const locale& __loc = __io._M_getloc();
1151  const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1152  int __tmpyear;
1153  ios_base::iostate __tmperr = ios_base::goodbit;
1154 
1155  __beg = _M_extract_num(__beg, __end, __tmpyear, 0, 9999, 4,
1156  __io, __tmperr);
1157  if (!__tmperr)
1158  __tm->tm_year = __tmpyear < 0 ? __tmpyear + 100 : __tmpyear - 1900;
1159  else
1160  __err |= ios_base::failbit;
1161 
1162  if (__beg == __end)
1163  __err |= ios_base::eofbit;
1164  return __beg;
1165  }
1166 
1167 #if __cplusplus >= 201103L
1168  template<typename _CharT, typename _InIter>
1169  inline
1170  _InIter
1172  get(iter_type __s, iter_type __end, ios_base& __io,
1173  ios_base::iostate& __err, tm* __tm, const char_type* __fmt,
1174  const char_type* __fmtend) const
1175  {
1176  const locale& __loc = __io._M_getloc();
1177  ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1178  __err = ios_base::goodbit;
1179  while (__fmt != __fmtend &&
1180  __err == ios_base::goodbit)
1181  {
1182  if (__s == __end)
1183  {
1185  break;
1186  }
1187  else if (__ctype.narrow(*__fmt, 0) == '%')
1188  {
1189  char __format;
1190  char __mod = 0;
1191  if (++__fmt == __fmtend)
1192  {
1193  __err = ios_base::failbit;
1194  break;
1195  }
1196  const char __c = __ctype.narrow(*__fmt, 0);
1197  if (__c != 'E' && __c != 'O')
1198  __format = __c;
1199  else if (++__fmt != __fmtend)
1200  {
1201  __mod = __c;
1202  __format = __ctype.narrow(*__fmt, 0);
1203  }
1204  else
1205  {
1206  __err = ios_base::failbit;
1207  break;
1208  }
1209  __s = this->do_get(__s, __end, __io, __err, __tm, __format,
1210  __mod);
1211  ++__fmt;
1212  }
1213  else if (__ctype.is(ctype_base::space, *__fmt))
1214  {
1215  ++__fmt;
1216  while (__fmt != __fmtend &&
1217  __ctype.is(ctype_base::space, *__fmt))
1218  ++__fmt;
1219 
1220  while (__s != __end &&
1221  __ctype.is(ctype_base::space, *__s))
1222  ++__s;
1223  }
1224  // TODO real case-insensitive comparison
1225  else if (__ctype.tolower(*__s) == __ctype.tolower(*__fmt) ||
1226  __ctype.toupper(*__s) == __ctype.toupper(*__fmt))
1227  {
1228  ++__s;
1229  ++__fmt;
1230  }
1231  else
1232  {
1233  __err = ios_base::failbit;
1234  break;
1235  }
1236  }
1237  return __s;
1238  }
1239 
1240  template<typename _CharT, typename _InIter>
1241  inline
1242  _InIter
1244  do_get(iter_type __beg, iter_type __end, ios_base& __io,
1245  ios_base::iostate& __err, tm* __tm,
1246  char __format, char __mod) const
1247  {
1248  const locale& __loc = __io._M_getloc();
1249  ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1250  __err = ios_base::goodbit;
1251 
1252  char_type __fmt[4];
1253  __fmt[0] = __ctype.widen('%');
1254  if (!__mod)
1255  {
1256  __fmt[1] = __format;
1257  __fmt[2] = char_type();
1258  }
1259  else
1260  {
1261  __fmt[1] = __mod;
1262  __fmt[2] = __format;
1263  __fmt[3] = char_type();
1264  }
1265 
1266  __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __fmt);
1267  if (__beg == __end)
1268  __err |= ios_base::eofbit;
1269  return __beg;
1270  }
1271 
1272 #endif // __cplusplus >= 201103L
1273 
1274  template<typename _CharT, typename _OutIter>
1275  _OutIter
1277  put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1278  const _CharT* __beg, const _CharT* __end) const
1279  {
1280  const locale& __loc = __io._M_getloc();
1281  ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1282  for (; __beg != __end; ++__beg)
1283  if (__ctype.narrow(*__beg, 0) != '%')
1284  {
1285  *__s = *__beg;
1286  ++__s;
1287  }
1288  else if (++__beg != __end)
1289  {
1290  char __format;
1291  char __mod = 0;
1292  const char __c = __ctype.narrow(*__beg, 0);
1293  if (__c != 'E' && __c != 'O')
1294  __format = __c;
1295  else if (++__beg != __end)
1296  {
1297  __mod = __c;
1298  __format = __ctype.narrow(*__beg, 0);
1299  }
1300  else
1301  break;
1302  __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
1303  }
1304  else
1305  break;
1306  return __s;
1307  }
1308 
1309  template<typename _CharT, typename _OutIter>
1310  _OutIter
1312  do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
1313  char __format, char __mod) const
1314  {
1315  const locale& __loc = __io._M_getloc();
1316  ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1317  __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1318 
1319  // NB: This size is arbitrary. Should this be a data member,
1320  // initialized at construction?
1321  const size_t __maxlen = 128;
1322  char_type __res[__maxlen];
1323 
1324  // NB: In IEE 1003.1-200x, and perhaps other locale models, it
1325  // is possible that the format character will be longer than one
1326  // character. Possibilities include 'E' or 'O' followed by a
1327  // format character: if __mod is not the default argument, assume
1328  // it's a valid modifier.
1329  char_type __fmt[4];
1330  __fmt[0] = __ctype.widen('%');
1331  if (!__mod)
1332  {
1333  __fmt[1] = __format;
1334  __fmt[2] = char_type();
1335  }
1336  else
1337  {
1338  __fmt[1] = __mod;
1339  __fmt[2] = __format;
1340  __fmt[3] = char_type();
1341  }
1342 
1343  __tp._M_put(__res, __maxlen, __fmt, __tm);
1344 
1345  // Write resulting, fully-formatted string to output iterator.
1346  return std::__write(__s, __res, char_traits<char_type>::length(__res));
1347  }
1348 
1349 
1350  // Inhibit implicit instantiations for required instantiations,
1351  // which are defined via explicit instantiations elsewhere.
1352 #if _GLIBCXX_EXTERN_TEMPLATE
1353  extern template class moneypunct<char, false>;
1354  extern template class moneypunct<char, true>;
1355  extern template class moneypunct_byname<char, false>;
1356  extern template class moneypunct_byname<char, true>;
1357  extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_get<char>;
1358  extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_put<char>;
1359  extern template class __timepunct<char>;
1360  extern template class time_put<char>;
1361  extern template class time_put_byname<char>;
1362  extern template class time_get<char>;
1363  extern template class time_get_byname<char>;
1364  extern template class messages<char>;
1365  extern template class messages_byname<char>;
1366 
1367  extern template
1368  const moneypunct<char, true>&
1369  use_facet<moneypunct<char, true> >(const locale&);
1370 
1371  extern template
1373  use_facet<moneypunct<char, false> >(const locale&);
1374 
1375  extern template
1376  const money_put<char>&
1377  use_facet<money_put<char> >(const locale&);
1378 
1379  extern template
1380  const money_get<char>&
1381  use_facet<money_get<char> >(const locale&);
1382 
1383  extern template
1384  const __timepunct<char>&
1385  use_facet<__timepunct<char> >(const locale&);
1386 
1387  extern template
1388  const time_put<char>&
1389  use_facet<time_put<char> >(const locale&);
1390 
1391  extern template
1392  const time_get<char>&
1393  use_facet<time_get<char> >(const locale&);
1394 
1395  extern template
1396  const messages<char>&
1397  use_facet<messages<char> >(const locale&);
1398 
1399  extern template
1400  bool
1401  has_facet<moneypunct<char> >(const locale&);
1402 
1403  extern template
1404  bool
1405  has_facet<money_put<char> >(const locale&);
1406 
1407  extern template
1408  bool
1409  has_facet<money_get<char> >(const locale&);
1410 
1411  extern template
1412  bool
1413  has_facet<__timepunct<char> >(const locale&);
1414 
1415  extern template
1416  bool
1417  has_facet<time_put<char> >(const locale&);
1418 
1419  extern template
1420  bool
1421  has_facet<time_get<char> >(const locale&);
1422 
1423  extern template
1424  bool
1425  has_facet<messages<char> >(const locale&);
1426 
1427 #ifdef _GLIBCXX_USE_WCHAR_T
1428  extern template class moneypunct<wchar_t, false>;
1429  extern template class moneypunct<wchar_t, true>;
1430  extern template class moneypunct_byname<wchar_t, false>;
1431  extern template class moneypunct_byname<wchar_t, true>;
1432  extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_get<wchar_t>;
1433  extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_put<wchar_t>;
1434  extern template class __timepunct<wchar_t>;
1435  extern template class time_put<wchar_t>;
1436  extern template class time_put_byname<wchar_t>;
1437  extern template class time_get<wchar_t>;
1438  extern template class time_get_byname<wchar_t>;
1439  extern template class messages<wchar_t>;
1440  extern template class messages_byname<wchar_t>;
1441 
1442  extern template
1444  use_facet<moneypunct<wchar_t, true> >(const locale&);
1445 
1446  extern template
1447  const moneypunct<wchar_t, false>&
1448  use_facet<moneypunct<wchar_t, false> >(const locale&);
1449 
1450  extern template
1451  const money_put<wchar_t>&
1452  use_facet<money_put<wchar_t> >(const locale&);
1453 
1454  extern template
1455  const money_get<wchar_t>&
1456  use_facet<money_get<wchar_t> >(const locale&);
1457 
1458  extern template
1459  const __timepunct<wchar_t>&
1460  use_facet<__timepunct<wchar_t> >(const locale&);
1461 
1462  extern template
1463  const time_put<wchar_t>&
1464  use_facet<time_put<wchar_t> >(const locale&);
1465 
1466  extern template
1467  const time_get<wchar_t>&
1468  use_facet<time_get<wchar_t> >(const locale&);
1469 
1470  extern template
1471  const messages<wchar_t>&
1472  use_facet<messages<wchar_t> >(const locale&);
1473 
1474  extern template
1475  bool
1476  has_facet<moneypunct<wchar_t> >(const locale&);
1477 
1478  extern template
1479  bool
1480  has_facet<money_put<wchar_t> >(const locale&);
1481 
1482  extern template
1483  bool
1484  has_facet<money_get<wchar_t> >(const locale&);
1485 
1486  extern template
1487  bool
1488  has_facet<__timepunct<wchar_t> >(const locale&);
1489 
1490  extern template
1491  bool
1492  has_facet<time_put<wchar_t> >(const locale&);
1493 
1494  extern template
1495  bool
1496  has_facet<time_get<wchar_t> >(const locale&);
1497 
1498  extern template
1499  bool
1500  has_facet<messages<wchar_t> >(const locale&);
1501 #endif
1502 #endif
1503 
1504 _GLIBCXX_END_NAMESPACE_VERSION
1505 } // namespace std
1506 
1507 #endif
class time_get_byname [22.2.5.2].
Primary class template money_get.This facet encapsulates the code to parse and return a monetary amou...
void resize(size_type __n, _CharT __c)
Resizes the string to the specified number of characters.
virtual iter_type do_get_weekday(iter_type __beg, iter_type __end, ios_base &, ios_base::iostate &__err, tm *__tm) const
Parse input weekday string.
static const iostate failbit
Indicates that an input operation failed to read the expected characters, or that an output operation...
Definition: ios_base.h:410
virtual iter_type do_put(iter_type __s, ios_base &__io, char_type __fill, const tm *__tm, char __format, char __mod) const
Format and output a time or date.
_Ios_Iostate iostate
This is a bitmask type.
Definition: ios_base.h:398
virtual dateorder do_date_order() const
Return preferred order of month, day, and year.
static const iostate eofbit
Indicates that an input operation reached the end of an input sequence.
Definition: ios_base.h:405
virtual iter_type do_get_monthname(iter_type __beg, iter_type __end, ios_base &, ios_base::iostate &__err, tm *__tm) const
Parse input month string.
streamsize width() const
Flags access.
Definition: ios_base.h:712
ISO C++ entities toplevel namespace is std.
iter_type do_get(iter_type __s, iter_type __end, ios_base &__f, ios_base::iostate &__err, tm *__tm, char __format, char __modifier) const
Parse input string according to format.
iter_type put(iter_type __s, ios_base &__io, char_type __fill, const tm *__tm, const _CharT *__beg, const _CharT *__end) const
Format and output a time or date.
basic_string & assign(const basic_string &__str)
Set value to contents of another string.
locale getloc() const
Locale access.
Definition: ios_base.h:763
const locale & _M_getloc() const
Locale access.
Definition: ios_base.h:774
static const fmtflags showbase
Generates a prefix indicating the numeric base of generated integer output.
Definition: ios_base.h:358
class messages_byname [22.2.7.2].
_CharT char_type
Public typedefs.
Primary class template money_put.This facet encapsulates the code to format and output a monetary amo...
static const iostate goodbit
Indicates all is well.
Definition: ios_base.h:413
_OutIter iter_type
Public typedefs.
char_type tolower(char_type __c) const
Convert to lowercase.
void reserve(size_type __res_arg=0)
Attempt to preallocate enough memory for specified number of characters.
_InIter iter_type
Public typedefs.
char narrow(char_type __c, char __dfault) const
Narrow char_type to char.
virtual iter_type do_get_time(iter_type __beg, iter_type __end, ios_base &__io, ios_base::iostate &__err, tm *__tm) const
Parse input time string.
_CharT char_type
Public typedefs.
virtual iter_type do_get(iter_type __s, iter_type __end, bool __intl, ios_base &__io, ios_base::iostate &__err, long double &__units) const
Read and parse a monetary value.
basic_string & erase(size_type __pos=0, size_type __n=npos)
Remove characters.
void insert(iterator __p, size_type __n, _CharT __c)
Insert multiple characters.
_OutIter iter_type
Public typedefs.
virtual iter_type do_put(iter_type __s, bool __intl, ios_base &__io, char_type __fill, long double __units) const
Format and output a monetary value.
const _CharT * data() const noexcept
Return const pointer to contents.
char_type toupper(char_type __c) const
Convert to uppercase.
virtual iter_type do_get_date(iter_type __beg, iter_type __end, ios_base &__io, ios_base::iostate &__err, tm *__tm) const
Parse input date string.
iter_type get(iter_type __s, iter_type __end, ios_base &__io, ios_base::iostate &__err, tm *__tm, char __format, char __modifier=0) const
Parse input string according to format.
_CharT char_type
Public typedefs.
class time_put_byname [22.2.5.4].
Primary class template messages.This facet encapsulates the code to retrieve messages from message ca...
Primary class template time_get.This facet encapsulates the code to parse and return a date or time f...
_CharT char_type
Public typedefs.
fmtflags flags() const
Access to format flags.
Definition: ios_base.h:619
basic_string & append(const basic_string &__str)
Append a string to this string.
static const fmtflags left
Adds fill characters on the right (final positions) of certain generated output. (I.e., the thing you print is flush left.)
Definition: ios_base.h:344
char_type widen(char __c) const
Widen char to char_type.
_InIter iter_type
Public typedefs.
static const fmtflags internal
Adds fill characters at a designated internal point in certain generated output, or identical to righ...
Definition: ios_base.h:340
static const fmtflags adjustfield
A mask of left|right|internal. Useful for the 2-arg form of setf.
Definition: ios_base.h:378
class moneypunct_byname [22.2.6.4].
static const size_type npos
Value returned by various member functions when they fail.
The base of the I/O class hierarchy.This class defines everything that can be defined about I/O that ...
Definition: ios_base.h:228
bool is(mask __m, char_type __c) const
Test char_type classification.
size_type size() const noexcept
Returns the number of characters in the string, not including any null-termination.
const _CharT * c_str() const noexcept
Return const pointer to null-terminated contents.
Container class for localization functionality.The locale class is first a class wrapper for C librar...
const char_type * scan_not(mask __m, const char_type *__lo, const char_type *__hi) const
Find char_type not matching a mask.
Basis for explicit traits specializations.
Definition: char_traits.h:269
virtual iter_type do_get_year(iter_type __beg, iter_type __end, ios_base &__io, ios_base::iostate &__err, tm *__tm) const
Parse input year string.
Primary class template time_put.This facet encapsulates the code to format and output dates and times...
static locale::id id
Numpunct facet id.
_GLIBCXX14_CONSTEXPR const _Tp & min(const _Tp &, const _Tp &)
This does what you think it does.
Definition: stl_algobase.h:195
Primary class template moneypunct.This facet encapsulates the punctuation, grouping and other formatt...
Primary class template ctype facet.This template class defines classification and conversion function...