| blob | ff54c93ed93f07445aed39caa464d70fade2b07d |
1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
4 // Free Software Foundation, Inc.
5 //
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
10 // any later version.
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
20 // USA.
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 /** @file locale_facets.tcc
32 * This is an internal header file, included by other library headers.
33 * You should not attempt to use it directly.
34 */
36 #ifndef _LOCALE_FACETS_TCC
37 #define _LOCALE_FACETS_TCC 1
39 #pragma GCC system_header
41 #include <limits> // For numeric_limits
42 #include <typeinfo> // For bad_cast.
43 #include <bits/streambuf_iterator.h>
45 namespace std
46 {
47 template<typename _Facet>
48 locale
49 locale::combine(const locale& __other) const
50 {
51 _Impl* __tmp = new _Impl(*_M_impl, 1);
52 try
53 {
54 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
55 }
56 catch(...)
57 {
58 __tmp->_M_remove_reference();
59 __throw_exception_again;
60 }
61 return locale(__tmp);
62 }
64 template<typename _CharT, typename _Traits, typename _Alloc>
65 bool
66 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
67 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
68 {
69 typedef std::collate<_CharT> __collate_type;
70 const __collate_type& __collate = use_facet<__collate_type>(*this);
71 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
72 __s2.data(), __s2.data() + __s2.length()) < 0);
73 }
75 /**
76 * @brief Test for the presence of a facet.
77 *
78 * has_facet tests the locale argument for the presence of the facet type
79 * provided as the template parameter. Facets derived from the facet
80 * parameter will also return true.
81 *
82 * @param Facet The facet type to test the presence of.
83 * @param locale The locale to test.
84 * @return true if locale contains a facet of type Facet, else false.
85 */
86 template<typename _Facet>
87 inline bool
88 has_facet(const locale& __loc) throw()
89 {
90 const size_t __i = _Facet::id._M_id();
91 const locale::facet** __facets = __loc._M_impl->_M_facets;
92 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
93 }
95 /**
96 * @brief Return a facet.
97 *
98 * use_facet looks for and returns a reference to a facet of type Facet
99 * where Facet is the template parameter. If has_facet(locale) is true,
100 * there is a suitable facet to return. It throws std::bad_cast if the
101 * locale doesn't contain a facet of type Facet.
102 *
103 * @param Facet The facet type to access.
104 * @param locale The locale to use.
105 * @return Reference to facet of type Facet.
106 * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
107 */
108 template<typename _Facet>
109 inline const _Facet&
110 use_facet(const locale& __loc)
111 {
112 const size_t __i = _Facet::id._M_id();
113 const locale::facet** __facets = __loc._M_impl->_M_facets;
114 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
115 __throw_bad_cast();
116 return static_cast<const _Facet&>(*__facets[__i]);
117 }
119 // Routine to access a cache for the facet. If the cache didn't
120 // exist before, it gets constructed on the fly.
121 template<typename _Facet>
122 struct __use_cache
123 {
124 const _Facet*
125 operator() (const locale& __loc) const;
126 };
128 // Specializations.
129 template<typename _CharT>
130 struct __use_cache<__numpunct_cache<_CharT> >
131 {
132 const __numpunct_cache<_CharT>*
133 operator() (const locale& __loc) const
134 {
135 const size_t __i = numpunct<_CharT>::id._M_id();
136 const locale::facet** __caches = __loc._M_impl->_M_caches;
137 if (!__caches[__i])
138 {
139 __numpunct_cache<_CharT>* __tmp = NULL;
140 try
141 {
142 __tmp = new __numpunct_cache<_CharT>;
143 __tmp->_M_cache(__loc);
144 }
145 catch(...)
146 {
147 delete __tmp;
148 __throw_exception_again;
149 }
150 __loc._M_impl->_M_install_cache(__tmp, __i);
151 }
152 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
153 }
154 };
156 template<typename _CharT, bool _Intl>
157 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
158 {
159 const __moneypunct_cache<_CharT, _Intl>*
160 operator() (const locale& __loc) const
161 {
162 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
163 const locale::facet** __caches = __loc._M_impl->_M_caches;
164 if (!__caches[__i])
165 {
166 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
167 try
168 {
169 __tmp = new __moneypunct_cache<_CharT, _Intl>;
170 __tmp->_M_cache(__loc);
171 }
172 catch(...)
173 {
174 delete __tmp;
175 __throw_exception_again;
176 }
177 __loc._M_impl->_M_install_cache(__tmp, __i);
178 }
179 return static_cast<
180 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
181 }
182 };
184 template<typename _CharT>
185 void
186 __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
187 {
188 _M_allocated = true;
190 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
192 _M_grouping_size = __np.grouping().size();
193 char* __grouping = new char[_M_grouping_size];
194 __np.grouping().copy(__grouping, _M_grouping_size);
195 _M_grouping = __grouping;
196 _M_use_grouping = _M_grouping_size && __np.grouping()[0] != 0;
198 _M_truename_size = __np.truename().size();
199 _CharT* __truename = new _CharT[_M_truename_size];
200 __np.truename().copy(__truename, _M_truename_size);
201 _M_truename = __truename;
203 _M_falsename_size = __np.falsename().size();
204 _CharT* __falsename = new _CharT[_M_falsename_size];
205 __np.falsename().copy(__falsename, _M_falsename_size);
206 _M_falsename = __falsename;
208 _M_decimal_point = __np.decimal_point();
209 _M_thousands_sep = __np.thousands_sep();
211 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
212 __ct.widen(__num_base::_S_atoms_out,
213 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
214 __ct.widen(__num_base::_S_atoms_in,
215 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
216 }
218 template<typename _CharT, bool _Intl>
219 void
220 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
221 {
222 _M_allocated = true;
224 const moneypunct<_CharT, _Intl>& __mp =
225 use_facet<moneypunct<_CharT, _Intl> >(__loc);
227 _M_grouping_size = __mp.grouping().size();
228 char* __grouping = new char[_M_grouping_size];
229 __mp.grouping().copy(__grouping, _M_grouping_size);
230 _M_grouping = __grouping;
231 _M_use_grouping = _M_grouping_size && __mp.grouping()[0] != 0;
233 _M_decimal_point = __mp.decimal_point();
234 _M_thousands_sep = __mp.thousands_sep();
235 _M_frac_digits = __mp.frac_digits();
237 _M_curr_symbol_size = __mp.curr_symbol().size();
238 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
239 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
240 _M_curr_symbol = __curr_symbol;
242 _M_positive_sign_size = __mp.positive_sign().size();
243 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
244 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
245 _M_positive_sign = __positive_sign;
247 _M_negative_sign_size = __mp.negative_sign().size();
248 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
249 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
250 _M_negative_sign = __negative_sign;
252 _M_pos_format = __mp.pos_format();
253 _M_neg_format = __mp.neg_format();
255 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
256 __ct.widen(money_base::_S_atoms,
257 money_base::_S_atoms + money_base::_S_end, _M_atoms);
258 }
261 // Used by both numeric and monetary facets.
262 // Check to make sure that the __grouping_tmp string constructed in
263 // money_get or num_get matches the canonical grouping for a given
264 // locale.
265 // __grouping_tmp is parsed L to R
266 // 1,222,444 == __grouping_tmp of "\1\3\3"
267 // __grouping is parsed R to L
268 // 1,222,444 == __grouping of "\3" == "\3\3\3"
269 static bool
270 __verify_grouping(const char* __grouping, size_t __grouping_size,
271 const string& __grouping_tmp);
273 template<typename _CharT, typename _InIter>
274 _InIter
275 num_get<_CharT, _InIter>::
276 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
277 ios_base::iostate& __err, string& __xtrc) const
278 {
279 typedef char_traits<_CharT> __traits_type;
280 typedef __numpunct_cache<_CharT> __cache_type;
281 __use_cache<__cache_type> __uc;
282 const locale& __loc = __io._M_getloc();
283 const __cache_type* __lc = __uc(__loc);
284 const _CharT* __lit = __lc->_M_atoms_in;
285 char_type __c = char_type();
287 // True if __beg becomes equal to __end.
288 bool __testeof = __beg == __end;
290 // First check for sign.
291 if (!__testeof)
292 {
293 __c = *__beg;
294 const bool __plus = __c == __lit[__num_base::_S_iplus];
295 if ((__plus || __c == __lit[__num_base::_S_iminus])
296 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
297 && !(__c == __lc->_M_decimal_point))
298 {
299 __xtrc += __plus ? '+' : '-';
300 if (++__beg != __end)
301 __c = *__beg;
302 else
303 __testeof = true;
304 }
305 }
307 // Next, look for leading zeros.
308 bool __found_mantissa = false;
309 while (!__testeof)
310 {
311 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
312 || __c == __lc->_M_decimal_point)
313 break;
314 else if (__c == __lit[__num_base::_S_izero])
315 {
316 if (!__found_mantissa)
317 {
318 __xtrc += '0';
319 __found_mantissa = true;
320 }
321 if (++__beg != __end)
322 __c = *__beg;
323 else
324 __testeof = true;
325 }
326 else
327 break;
328 }
330 // Only need acceptable digits for floating point numbers.
331 bool __found_dec = false;
332 bool __found_sci = false;
333 string __found_grouping;
334 if (__lc->_M_use_grouping)
335 __found_grouping.reserve(32);
336 int __sep_pos = 0;
337 const char_type* __q;
338 const char_type* __lit_zero = __lit + __num_base::_S_izero;
339 while (!__testeof)
340 {
341 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
342 // and decimal_point.
343 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
344 {
345 if (!__found_dec && !__found_sci)
346 {
347 // NB: Thousands separator at the beginning of a string
348 // is a no-no, as is two consecutive thousands separators.
349 if (__sep_pos)
350 {
351 __found_grouping += static_cast<char>(__sep_pos);
352 __sep_pos = 0;
353 }
354 else
355 {
356 __err |= ios_base::failbit;
357 break;
358 }
359 }
360 else
361 break;
362 }
363 else if (__c == __lc->_M_decimal_point)
364 {
365 if (!__found_dec && !__found_sci)
366 {
367 // If no grouping chars are seen, no grouping check
368 // is applied. Therefore __found_grouping is adjusted
369 // only if decimal_point comes after some thousands_sep.
370 if (__found_grouping.size())
371 __found_grouping += static_cast<char>(__sep_pos);
372 __xtrc += '.';
373 __found_dec = true;
374 }
375 else
376 break;
377 }
378 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
379 {
380 __xtrc += __num_base::_S_atoms_in[__q - __lit];
381 __found_mantissa = true;
382 ++__sep_pos;
383 }
384 else if ((__c == __lit[__num_base::_S_ie]
385 || __c == __lit[__num_base::_S_iE])
386 && __found_mantissa && !__found_sci)
387 {
388 // Scientific notation.
389 if (__found_grouping.size() && !__found_dec)
390 __found_grouping += static_cast<char>(__sep_pos);
391 __xtrc += 'e';
392 __found_sci = true;
394 // Remove optional plus or minus sign, if they exist.
395 if (++__beg != __end)
396 {
397 __c = *__beg;
398 const bool __plus = __c == __lit[__num_base::_S_iplus];
399 if ((__plus || __c == __lit[__num_base::_S_iminus])
400 && !(__lc->_M_use_grouping
401 && __c == __lc->_M_thousands_sep)
402 && !(__c == __lc->_M_decimal_point))
403 __xtrc += __plus ? '+' : '-';
404 else
405 continue;
406 }
407 else
408 {
409 __testeof = true;
410 break;
411 }
412 }
413 else
414 // Not a valid input item.
415 break;
417 if (++__beg != __end)
418 __c = *__beg;
419 else
420 __testeof = true;
421 }
423 // Digit grouping is checked. If grouping and found_grouping don't
424 // match, then get very very upset, and set failbit.
425 if (__found_grouping.size())
426 {
427 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
428 if (!__found_dec && !__found_sci)
429 __found_grouping += static_cast<char>(__sep_pos);
431 if (!std::__verify_grouping(__lc->_M_grouping,
432 __lc->_M_grouping_size,
433 __found_grouping))
434 __err |= ios_base::failbit;
435 }
437 // Finish up.
438 if (__testeof)
439 __err |= ios_base::eofbit;
440 return __beg;
441 }
443 template<typename _ValueT>
444 struct __to_unsigned_type
445 { typedef _ValueT __type; };
447 template<>
448 struct __to_unsigned_type<long>
449 { typedef unsigned long __type; };
451 #ifdef _GLIBCXX_USE_LONG_LONG
452 template<>
453 struct __to_unsigned_type<long long>
454 { typedef unsigned long long __type; };
455 #endif
457 template<typename _CharT, typename _InIter>
458 template<typename _ValueT>
459 _InIter
460 num_get<_CharT, _InIter>::
461 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
462 ios_base::iostate& __err, _ValueT& __v) const
463 {
464 typedef char_traits<_CharT> __traits_type;
465 typedef typename __to_unsigned_type<_ValueT>::__type __unsigned_type;
466 typedef __numpunct_cache<_CharT> __cache_type;
467 __use_cache<__cache_type> __uc;
468 const locale& __loc = __io._M_getloc();
469 const __cache_type* __lc = __uc(__loc);
470 const _CharT* __lit = __lc->_M_atoms_in;
471 char_type __c = char_type();
473 // NB: Iff __basefield == 0, __base can change based on contents.
474 const ios_base::fmtflags __basefield = __io.flags()
475 & ios_base::basefield;
476 const bool __oct = __basefield == ios_base::oct;
477 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
479 // True if __beg becomes equal to __end.
480 bool __testeof = __beg == __end;
482 // First check for sign.
483 bool __negative = false;
484 if (!__testeof)
485 {
486 __c = *__beg;
487 if (numeric_limits<_ValueT>::is_signed)
488 __negative = __c == __lit[__num_base::_S_iminus];
489 if ((__negative || __c == __lit[__num_base::_S_iplus])
490 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
491 && !(__c == __lc->_M_decimal_point))
492 {
493 if (++__beg != __end)
494 __c = *__beg;
495 else
496 __testeof = true;
497 }
498 }
500 // Next, look for leading zeros and check required digits
501 // for base formats.
502 bool __found_zero = false;
503 while (!__testeof)
504 {
505 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
506 || __c == __lc->_M_decimal_point)
507 break;
508 else if (__c == __lit[__num_base::_S_izero]
509 && (!__found_zero || __base == 10))
510 __found_zero = true;
511 else if (__found_zero)
512 {
513 if (__c == __lit[__num_base::_S_ix]
514 || __c == __lit[__num_base::_S_iX])
515 {
516 if (__basefield == 0)
517 __base = 16;
518 if (__base == 16)
519 __found_zero = false;
520 else
521 break;
522 }
523 else
524 {
525 if (__basefield == 0)
526 __base = 8;
527 break;
528 }
529 }
530 else
531 break;
533 if (++__beg != __end)
534 {
535 __c = *__beg;
536 if (!__found_zero)
537 break;
538 }
539 else
540 __testeof = true;
541 }
543 // At this point, base is determined. If not hex, only allow
544 // base digits as valid input.
545 const size_t __len = (__base == 16 ? __num_base::_S_iend
546 - __num_base::_S_izero : __base);
548 // Extract.
549 string __found_grouping;
550 if (__lc->_M_use_grouping)
551 __found_grouping.reserve(32);
552 int __sep_pos = 0;
553 bool __overflow = false;
554 const __unsigned_type __max = __negative ?
555 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
556 const __unsigned_type __smax = __max / __base;
557 __unsigned_type __result = 0;
558 const char_type* __q;
559 const char_type* __lit_zero = __lit + __num_base::_S_izero;
560 while (!__testeof)
561 {
562 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
563 // and decimal_point.
564 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
565 {
566 // NB: Thousands separator at the beginning of a string
567 // is a no-no, as is two consecutive thousands separators.
568 if (__sep_pos)
569 {
570 __found_grouping += static_cast<char>(__sep_pos);
571 __sep_pos = 0;
572 }
573 else
574 {
575 __err |= ios_base::failbit;
576 break;
577 }
578 }
579 else if (__c == __lc->_M_decimal_point)
580 break;
581 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
582 {
583 int __digit = __q - __lit_zero;
584 if (__digit > 15)
585 __digit -= 6;
586 if (__result > __smax)
587 __overflow = true;
588 else
589 {
590 __result *= __base;
591 __overflow |= __result > __max - __digit;
592 __result += __digit;
593 ++__sep_pos;
594 }
595 }
596 else
597 // Not a valid input item.
598 break;
600 if (++__beg != __end)
601 __c = *__beg;
602 else
603 __testeof = true;
604 }
606 // Digit grouping is checked. If grouping and found_grouping don't
607 // match, then get very very upset, and set failbit.
608 if (__found_grouping.size())
609 {
610 // Add the ending grouping.
611 __found_grouping += static_cast<char>(__sep_pos);
613 if (!std::__verify_grouping(__lc->_M_grouping,
614 __lc->_M_grouping_size,
615 __found_grouping))
616 __err |= ios_base::failbit;
617 }
619 if (!(__err & ios_base::failbit) && !__overflow
620 && (__sep_pos || __found_zero || __found_grouping.size()))
621 __v = __negative ? -__result : __result;
622 else
623 __err |= ios_base::failbit;
625 if (__testeof)
626 __err |= ios_base::eofbit;
627 return __beg;
628 }
630 // _GLIBCXX_RESOLVE_LIB_DEFECTS
631 // 17. Bad bool parsing
632 template<typename _CharT, typename _InIter>
633 _InIter
634 num_get<_CharT, _InIter>::
635 do_get(iter_type __beg, iter_type __end, ios_base& __io,
636 ios_base::iostate& __err, bool& __v) const
637 {
638 if (!(__io.flags() & ios_base::boolalpha))
639 {
640 // Parse bool values as long.
641 // NB: We can't just call do_get(long) here, as it might
642 // refer to a derived class.
643 long __l = -1;
644 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
645 if (__l == 0 || __l == 1)
646 __v = __l;
647 else
648 __err |= ios_base::failbit;
649 }
650 else
651 {
652 // Parse bool values as alphanumeric.
653 typedef __numpunct_cache<_CharT> __cache_type;
654 __use_cache<__cache_type> __uc;
655 const locale& __loc = __io._M_getloc();
656 const __cache_type* __lc = __uc(__loc);
658 bool __testf = true;
659 bool __testt = true;
660 size_t __n;
661 bool __testeof = __beg == __end;
662 for (__n = 0; !__testeof; ++__n)
663 {
664 const char_type __c = *__beg;
666 if (__testf)
667 if (__n < __lc->_M_falsename_size)
668 __testf = __c == __lc->_M_falsename[__n];
669 else
670 break;
672 if (__testt)
673 if (__n < __lc->_M_truename_size)
674 __testt = __c == __lc->_M_truename[__n];
675 else
676 break;
678 if (!__testf && !__testt)
679 break;
681 if (++__beg == __end)
682 __testeof = true;
683 }
684 if (__testf && __n == __lc->_M_falsename_size)
685 __v = 0;
686 else if (__testt && __n == __lc->_M_truename_size)
687 __v = 1;
688 else
689 __err |= ios_base::failbit;
691 if (__testeof)
692 __err |= ios_base::eofbit;
693 }
694 return __beg;
695 }
697 template<typename _CharT, typename _InIter>
698 _InIter
699 num_get<_CharT, _InIter>::
700 do_get(iter_type __beg, iter_type __end, ios_base& __io,
701 ios_base::iostate& __err, long& __v) const
702 { return _M_extract_int(__beg, __end, __io, __err, __v); }
704 template<typename _CharT, typename _InIter>
705 _InIter
706 num_get<_CharT, _InIter>::
707 do_get(iter_type __beg, iter_type __end, ios_base& __io,
708 ios_base::iostate& __err, unsigned short& __v) const
709 { return _M_extract_int(__beg, __end, __io, __err, __v); }
711 template<typename _CharT, typename _InIter>
712 _InIter
713 num_get<_CharT, _InIter>::
714 do_get(iter_type __beg, iter_type __end, ios_base& __io,
715 ios_base::iostate& __err, unsigned int& __v) const
716 { return _M_extract_int(__beg, __end, __io, __err, __v); }
718 template<typename _CharT, typename _InIter>
719 _InIter
720 num_get<_CharT, _InIter>::
721 do_get(iter_type __beg, iter_type __end, ios_base& __io,
722 ios_base::iostate& __err, unsigned long& __v) const
723 { return _M_extract_int(__beg, __end, __io, __err, __v); }
725 #ifdef _GLIBCXX_USE_LONG_LONG
726 template<typename _CharT, typename _InIter>
727 _InIter
728 num_get<_CharT, _InIter>::
729 do_get(iter_type __beg, iter_type __end, ios_base& __io,
730 ios_base::iostate& __err, long long& __v) const
731 { return _M_extract_int(__beg, __end, __io, __err, __v); }
733 template<typename _CharT, typename _InIter>
734 _InIter
735 num_get<_CharT, _InIter>::
736 do_get(iter_type __beg, iter_type __end, ios_base& __io,
737 ios_base::iostate& __err, unsigned long long& __v) const
738 { return _M_extract_int(__beg, __end, __io, __err, __v); }
739 #endif
741 template<typename _CharT, typename _InIter>
742 _InIter
743 num_get<_CharT, _InIter>::
744 do_get(iter_type __beg, iter_type __end, ios_base& __io,
745 ios_base::iostate& __err, float& __v) const
746 {
747 string __xtrc;
748 __xtrc.reserve(32);
749 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
750 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
751 return __beg;
752 }
754 template<typename _CharT, typename _InIter>
755 _InIter
756 num_get<_CharT, _InIter>::
757 do_get(iter_type __beg, iter_type __end, ios_base& __io,
758 ios_base::iostate& __err, double& __v) const
759 {
760 string __xtrc;
761 __xtrc.reserve(32);
762 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
763 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
764 return __beg;
765 }
767 template<typename _CharT, typename _InIter>
768 _InIter
769 num_get<_CharT, _InIter>::
770 do_get(iter_type __beg, iter_type __end, ios_base& __io,
771 ios_base::iostate& __err, long double& __v) const
772 {
773 string __xtrc;
774 __xtrc.reserve(32);
775 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
776 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
777 return __beg;
778 }
780 template<typename _CharT, typename _InIter>
781 _InIter
782 num_get<_CharT, _InIter>::
783 do_get(iter_type __beg, iter_type __end, ios_base& __io,
784 ios_base::iostate& __err, void*& __v) const
785 {
786 // Prepare for hex formatted input.
787 typedef ios_base::fmtflags fmtflags;
788 const fmtflags __fmt = __io.flags();
789 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
791 unsigned long __ul;
792 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
794 // Reset from hex formatted input.
795 __io.flags(__fmt);
797 if (!(__err & ios_base::failbit))
798 __v = reinterpret_cast<void*>(__ul);
799 return __beg;
800 }
802 // For use by integer and floating-point types after they have been
803 // converted into a char_type string.
804 template<typename _CharT, typename _OutIter>
805 void
806 num_put<_CharT, _OutIter>::
807 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
808 _CharT* __new, const _CharT* __cs, int& __len) const
809 {
810 // [22.2.2.2.2] Stage 3.
811 // If necessary, pad.
812 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
813 __w, __len, true);
814 __len = static_cast<int>(__w);
815 }
817 // Forwarding functions to peel signed from unsigned integer types.
818 template<typename _CharT>
819 inline int
820 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
821 ios_base::fmtflags __flags)
822 {
823 unsigned long __ul = static_cast<unsigned long>(__v);
824 if (__v < 0)
825 __ul = -__ul;
826 return __int_to_char(__bufend, __ul, __lit, __flags, false);
827 }
829 template<typename _CharT>
830 inline int
831 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
832 ios_base::fmtflags __flags)
833 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
835 #ifdef _GLIBCXX_USE_LONG_LONG
836 template<typename _CharT>
837 inline int
838 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
839 ios_base::fmtflags __flags)
840 {
841 unsigned long long __ull = static_cast<unsigned long long>(__v);
842 if (__v < 0)
843 __ull = -__ull;
844 return __int_to_char(__bufend, __ull, __lit, __flags, false);
845 }
847 template<typename _CharT>
848 inline int
849 __int_to_char(_CharT* __bufend, unsigned long long __v,
850 const _CharT* __lit, ios_base::fmtflags __flags)
851 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
852 #endif
854 // N.B. The last argument is currently unused (see libstdc++/20914).
855 template<typename _CharT, typename _ValueT>
856 int
857 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
858 ios_base::fmtflags __flags, bool)
859 {
860 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
861 _CharT* __buf = __bufend;
863 if (__builtin_expect(__basefield != ios_base::oct
864 && __basefield != ios_base::hex, true))
865 {
866 // Decimal.
867 do
868 {
869 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
870 __v /= 10;
871 }
872 while (__v != 0);
873 }
874 else if (__basefield == ios_base::oct)
875 {
876 // Octal.
877 do
878 {
879 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
880 __v >>= 3;
881 }
882 while (__v != 0);
883 }
884 else
885 {
886 // Hex.
887 const bool __uppercase = __flags & ios_base::uppercase;
888 const int __case_offset = __uppercase ? __num_base::_S_oudigits
889 : __num_base::_S_odigits;
890 do
891 {
892 *--__buf = __lit[(__v & 0xf) + __case_offset];
893 __v >>= 4;
894 }
895 while (__v != 0);
896 }
897 return __bufend - __buf;
898 }
900 template<typename _CharT, typename _OutIter>
901 void
902 num_put<_CharT, _OutIter>::
903 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
904 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
905 {
906 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
907 __grouping_size, __cs, __cs + __len);
908 __len = __p - __new;
909 }
911 template<typename _CharT, typename _OutIter>
912 template<typename _ValueT>
913 _OutIter
914 num_put<_CharT, _OutIter>::
915 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
916 _ValueT __v) const
917 {
918 typedef __numpunct_cache<_CharT> __cache_type;
919 __use_cache<__cache_type> __uc;
920 const locale& __loc = __io._M_getloc();
921 const __cache_type* __lc = __uc(__loc);
922 const _CharT* __lit = __lc->_M_atoms_out;
923 const ios_base::fmtflags __flags = __io.flags();
925 // Long enough to hold hex, dec, and octal representations.
926 const int __ilen = 5 * sizeof(_ValueT);
927 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
928 * __ilen));
930 // [22.2.2.2.2] Stage 1, numeric conversion to character.
931 // Result is returned right-justified in the buffer.
932 int __len = __int_to_char(__cs + __ilen, __v, __lit, __flags);
933 __cs += __ilen - __len;
935 // Add grouping, if necessary.
936 if (__lc->_M_use_grouping)
937 {
938 // Grouping can add (almost) as many separators as the number
939 // of digits + space is reserved for numeric base or sign.
940 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
941 * (__len + 1)
942 * 2));
943 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
944 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
945 __cs = __cs2 + 2;
946 }
948 // Complete Stage 1, prepend numeric base or sign.
949 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
950 if (__builtin_expect(__basefield != ios_base::oct
951 && __basefield != ios_base::hex, true))
952 {
953 // Decimal.
954 if (__v > 0)
955 {
956 if (__flags & ios_base::showpos
957 && numeric_limits<_ValueT>::is_signed)
958 *--__cs = __lit[__num_base::_S_oplus], ++__len;
959 }
960 else if (__v)
961 *--__cs = __lit[__num_base::_S_ominus], ++__len;
962 }
963 else if (__basefield == ios_base::oct)
964 {
965 // Octal.
966 if (__flags & ios_base::showbase && __v)
967 *--__cs = __lit[__num_base::_S_odigits], ++__len;
968 }
969 else
970 {
971 // Hex.
972 if (__flags & ios_base::showbase && __v)
973 {
974 // 'x' or 'X'
975 const bool __uppercase = __flags & ios_base::uppercase;
976 *--__cs = __lit[__num_base::_S_ox + __uppercase];
977 // '0'
978 *--__cs = __lit[__num_base::_S_odigits];
979 __len += 2;
980 }
981 }
983 // Pad.
984 const streamsize __w = __io.width();
985 if (__w > static_cast<streamsize>(__len))
986 {
987 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
988 * __w));
989 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
990 __cs = __cs3;
991 }
992 __io.width(0);
994 // [22.2.2.2.2] Stage 4.
995 // Write resulting, fully-formatted string to output iterator.
996 return std::__write(__s, __cs, __len);
997 }
999 template<typename _CharT, typename _OutIter>
1000 void
1001 num_put<_CharT, _OutIter>::
1002 _M_group_float(const char* __grouping, size_t __grouping_size,
1003 _CharT __sep, const _CharT* __p, _CharT* __new,
1004 _CharT* __cs, int& __len) const
1005 {
1006 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1007 // 282. What types does numpunct grouping refer to?
1008 // Add grouping, if necessary.
1009 const int __declen = __p ? __p - __cs : __len;
1010 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1011 __grouping_size,
1012 __cs, __cs + __declen);
1014 // Tack on decimal part.
1015 int __newlen = __p2 - __new;
1016 if (__p)
1017 {
1018 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1019 __newlen += __len - __declen;
1020 }
1021 __len = __newlen;
1022 }
1024 // The following code uses snprintf (or sprintf(), when
1025 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1026 // for insertion into a stream. An optimization would be to replace
1027 // them with code that works directly on a wide buffer and then use
1028 // __pad to do the padding. It would be good to replace them anyway
1029 // to gain back the efficiency that C++ provides by knowing up front
1030 // the type of the values to insert. Also, sprintf is dangerous
1031 // since may lead to accidental buffer overruns. This
1032 // implementation follows the C++ standard fairly directly as
1033 // outlined in 22.2.2.2 [lib.locale.num.put]
1034 template<typename _CharT, typename _OutIter>
1035 template<typename _ValueT>
1036 _OutIter
1037 num_put<_CharT, _OutIter>::
1038 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1039 _ValueT __v) const
1040 {
1041 typedef __numpunct_cache<_CharT> __cache_type;
1042 __use_cache<__cache_type> __uc;
1043 const locale& __loc = __io._M_getloc();
1044 const __cache_type* __lc = __uc(__loc);
1046 // Use default precision if out of range.
1047 streamsize __prec = __io.precision();
1048 if (__prec < static_cast<streamsize>(0))
1049 __prec = static_cast<streamsize>(6);
1051 const int __max_digits = numeric_limits<_ValueT>::digits10;
1053 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1054 int __len;
1055 // Long enough for the max format spec.
1056 char __fbuf[16];
1058 #ifdef _GLIBCXX_USE_C99
1059 // First try a buffer perhaps big enough (most probably sufficient
1060 // for non-ios_base::fixed outputs)
1061 int __cs_size = __max_digits * 3;
1062 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1064 __num_base::_S_format_float(__io, __fbuf, __mod);
1065 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1066 _S_get_c_locale(), __prec);
1068 // If the buffer was not large enough, try again with the correct size.
1069 if (__len >= __cs_size)
1070 {
1071 __cs_size = __len + 1;
1072 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1073 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1074 _S_get_c_locale(), __prec);
1075 }
1076 #else
1077 // Consider the possibility of long ios_base::fixed outputs
1078 const bool __fixed = __io.flags() & ios_base::fixed;
1079 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1081 // The size of the output string is computed as follows.
1082 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1083 // for the integer part + __prec chars for the fractional part
1084 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1085 // for non-fixed outputs __max_digits * 2 + __prec chars are
1086 // largely sufficient.
1087 const int __cs_size = __fixed ? __max_exp + __prec + 4
1088 : __max_digits * 2 + __prec;
1089 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1091 __num_base::_S_format_float(__io, __fbuf, __mod);
1092 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1093 _S_get_c_locale(), __prec);
1094 #endif
1096 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1097 // numpunct.decimal_point() values for '.' and adding grouping.
1098 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1100 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1101 * __len));
1102 __ctype.widen(__cs, __cs + __len, __ws);
1104 // Replace decimal point.
1105 const _CharT __cdec = __ctype.widen('.');
1106 const _CharT __dec = __lc->_M_decimal_point;
1107 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1108 if (__p)
1109 __ws[__p - __ws] = __dec;
1111 // Add grouping, if necessary.
1112 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1113 // point, scientific notation.
1114 if (__lc->_M_use_grouping
1115 && (__p || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1116 && __cs[1] >= '0' && __cs[2] >= '0')))
1117 {
1118 // Grouping can add (almost) as many separators as the
1119 // number of digits, but no more.
1120 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1121 * __len * 2));
1123 streamsize __off = 0;
1124 if (__cs[0] == '-' || __cs[0] == '+')
1125 {
1126 __off = 1;
1127 __ws2[0] = __ws[0];
1128 __len -= 1;
1129 }
1131 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1132 __lc->_M_thousands_sep, __p, __ws2 + __off,
1133 __ws + __off, __len);
1134 __len += __off;
1136 __ws = __ws2;
1137 }
1139 // Pad.
1140 const streamsize __w = __io.width();
1141 if (__w > static_cast<streamsize>(__len))
1142 {
1143 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1144 * __w));
1145 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1146 __ws = __ws3;
1147 }
1148 __io.width(0);
1150 // [22.2.2.2.2] Stage 4.
1151 // Write resulting, fully-formatted string to output iterator.
1152 return std::__write(__s, __ws, __len);
1153 }
1155 template<typename _CharT, typename _OutIter>
1156 _OutIter
1157 num_put<_CharT, _OutIter>::
1158 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1159 {
1160 const ios_base::fmtflags __flags = __io.flags();
1161 if ((__flags & ios_base::boolalpha) == 0)
1162 {
1163 const long __l = __v;
1164 __s = _M_insert_int(__s, __io, __fill, __l);
1165 }
1166 else
1167 {
1168 typedef __numpunct_cache<_CharT> __cache_type;
1169 __use_cache<__cache_type> __uc;
1170 const locale& __loc = __io._M_getloc();
1171 const __cache_type* __lc = __uc(__loc);
1173 const _CharT* __name = __v ? __lc->_M_truename
1174 : __lc->_M_falsename;
1175 int __len = __v ? __lc->_M_truename_size
1176 : __lc->_M_falsename_size;
1178 const streamsize __w = __io.width();
1179 if (__w > static_cast<streamsize>(__len))
1180 {
1181 _CharT* __cs
1182 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1183 * __w));
1184 _M_pad(__fill, __w, __io, __cs, __name, __len);
1185 __name = __cs;
1186 }
1187 __io.width(0);
1188 __s = std::__write(__s, __name, __len);
1189 }
1190 return __s;
1191 }
1193 template<typename _CharT, typename _OutIter>
1194 _OutIter
1195 num_put<_CharT, _OutIter>::
1196 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1197 { return _M_insert_int(__s, __io, __fill, __v); }
1199 template<typename _CharT, typename _OutIter>
1200 _OutIter
1201 num_put<_CharT, _OutIter>::
1202 do_put(iter_type __s, ios_base& __io, char_type __fill,
1203 unsigned long __v) const
1204 { return _M_insert_int(__s, __io, __fill, __v); }
1206 #ifdef _GLIBCXX_USE_LONG_LONG
1207 template<typename _CharT, typename _OutIter>
1208 _OutIter
1209 num_put<_CharT, _OutIter>::
1210 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1211 { return _M_insert_int(__s, __b, __fill, __v); }
1213 template<typename _CharT, typename _OutIter>
1214 _OutIter
1215 num_put<_CharT, _OutIter>::
1216 do_put(iter_type __s, ios_base& __io, char_type __fill,
1217 unsigned long long __v) const
1218 { return _M_insert_int(__s, __io, __fill, __v); }
1219 #endif
1221 template<typename _CharT, typename _OutIter>
1222 _OutIter
1223 num_put<_CharT, _OutIter>::
1224 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1225 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1227 template<typename _CharT, typename _OutIter>
1228 _OutIter
1229 num_put<_CharT, _OutIter>::
1230 do_put(iter_type __s, ios_base& __io, char_type __fill,
1231 long double __v) const
1232 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1234 template<typename _CharT, typename _OutIter>
1235 _OutIter
1236 num_put<_CharT, _OutIter>::
1237 do_put(iter_type __s, ios_base& __io, char_type __fill,
1238 const void* __v) const
1239 {
1240 const ios_base::fmtflags __flags = __io.flags();
1241 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1242 | ios_base::uppercase
1243 | ios_base::internal);
1244 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1246 __s = _M_insert_int(__s, __io, __fill,
1247 reinterpret_cast<unsigned long>(__v));
1248 __io.flags(__flags);
1249 return __s;
1250 }
1252 template<typename _CharT, typename _InIter>
1253 template<bool _Intl>
1254 _InIter
1255 money_get<_CharT, _InIter>::
1256 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1257 ios_base::iostate& __err, string& __units) const
1258 {
1259 typedef char_traits<_CharT> __traits_type;
1260 typedef typename string_type::size_type size_type;
1261 typedef money_base::part part;
1262 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1264 const locale& __loc = __io._M_getloc();
1265 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1267 __use_cache<__cache_type> __uc;
1268 const __cache_type* __lc = __uc(__loc);
1269 const char_type* __lit = __lc->_M_atoms;
1271 // Deduced sign.
1272 bool __negative = false;
1273 // Sign size.
1274 size_type __sign_size = 0;
1275 // True if sign is mandatory.
1276 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1277 && __lc->_M_negative_sign_size);
1278 // String of grouping info from thousands_sep plucked from __units.
1279 string __grouping_tmp;
1280 if (__lc->_M_use_grouping)
1281 __grouping_tmp.reserve(32);
1282 // Last position before the decimal point.
1283 int __last_pos = 0;
1284 // Separator positions, then, possibly, fractional digits.
1285 int __n = 0;
1286 // If input iterator is in a valid state.
1287 bool __testvalid = true;
1288 // Flag marking when a decimal point is found.
1289 bool __testdecfound = false;
1291 // The tentative returned string is stored here.
1292 string __res;
1293 __res.reserve(32);
1295 const char_type* __lit_zero = __lit + money_base::_S_zero;
1296 const money_base::pattern __p = __lc->_M_neg_format;
1297 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1298 {
1299 const part __which = static_cast<part>(__p.field[__i]);
1300 switch (__which)
1301 {
1302 case money_base::symbol:
1303 // According to 22.2.6.1.2, p2, symbol is required
1304 // if (__io.flags() & ios_base::showbase), otherwise
1305 // is optional and consumed only if other characters
1306 // are needed to complete the format.
1307 if (__io.flags() & ios_base::showbase || __sign_size > 1
1308 || __i == 0
1309 || (__i == 1 && (__mandatory_sign
1310 || (static_cast<part>(__p.field[0])
1311 == money_base::sign)
1312 || (static_cast<part>(__p.field[2])
1313 == money_base::space)))
1314 || (__i == 2 && ((static_cast<part>(__p.field[3])
1315 == money_base::value)
1316 || __mandatory_sign
1317 && (static_cast<part>(__p.field[3])
1318 == money_base::sign))))
1319 {
1320 const size_type __len = __lc->_M_curr_symbol_size;
1321 size_type __j = 0;
1322 for (; __beg != __end && __j < __len
1323 && *__beg == __lc->_M_curr_symbol[__j];
1324 ++__beg, ++__j);
1325 if (__j != __len
1326 && (__j || __io.flags() & ios_base::showbase))
1327 __testvalid = false;
1328 }
1329 break;
1330 case money_base::sign:
1331 // Sign might not exist, or be more than one character long.
1332 if (__lc->_M_positive_sign_size && __beg != __end
1333 && *__beg == __lc->_M_positive_sign[0])
1334 {
1335 __sign_size = __lc->_M_positive_sign_size;
1336 ++__beg;
1337 }
1338 else if (__lc->_M_negative_sign_size && __beg != __end
1339 && *__beg == __lc->_M_negative_sign[0])
1340 {
1341 __negative = true;
1342 __sign_size = __lc->_M_negative_sign_size;
1343 ++__beg;
1344 }
1345 else if (__lc->_M_positive_sign_size
1346 && !__lc->_M_negative_sign_size)
1347 // "... if no sign is detected, the result is given the sign
1348 // that corresponds to the source of the empty string"
1349 __negative = true;
1350 else if (__mandatory_sign)
1351 __testvalid = false;
1352 break;
1353 case money_base::value:
1354 // Extract digits, remove and stash away the
1355 // grouping of found thousands separators.
1356 for (; __beg != __end; ++__beg)
1357 {
1358 const char_type __c = *__beg;
1359 const char_type* __q = __traits_type::find(__lit_zero,
1360 10, __c);
1361 if (__q != 0)
1362 {
1363 __res += money_base::_S_atoms[__q - __lit];
1364 ++__n;
1365 }
1366 else if (__c == __lc->_M_decimal_point
1367 && !__testdecfound)
1368 {
1369 __last_pos = __n;
1370 __n = 0;
1371 __testdecfound = true;
1372 }
1373 else if (__lc->_M_use_grouping
1374 && __c == __lc->_M_thousands_sep
1375 && !__testdecfound)
1376 {
1377 if (__n)
1378 {
1379 // Mark position for later analysis.
1380 __grouping_tmp += static_cast<char>(__n);
1381 __n = 0;
1382 }
1383 else
1384 {
1385 __testvalid = false;
1386 break;
1387 }
1388 }
1389 else
1390 break;
1391 }
1392 if (__res.empty())
1393 __testvalid = false;
1394 break;
1395 case money_base::space:
1396 // At least one space is required.
1397 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1398 ++__beg;
1399 else
1400 __testvalid = false;
1401 case money_base::none:
1402 // Only if not at the end of the pattern.
1403 if (__i != 3)
1404 for (; __beg != __end
1405 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1406 break;
1407 }
1408 }
1410 // Need to get the rest of the sign characters, if they exist.
1411 if (__sign_size > 1 && __testvalid)
1412 {
1413 const char_type* __sign = __negative ? __lc->_M_negative_sign
1414 : __lc->_M_positive_sign;
1415 size_type __i = 1;
1416 for (; __beg != __end && __i < __sign_size
1417 && *__beg == __sign[__i]; ++__beg, ++__i);
1419 if (__i != __sign_size)
1420 __testvalid = false;
1421 }
1423 if (__testvalid)
1424 {
1425 // Strip leading zeros.
1426 if (__res.size() > 1)
1427 {
1428 const size_type __first = __res.find_first_not_of('0');
1429 const bool __only_zeros = __first == string::npos;
1430 if (__first)
1431 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1432 }
1434 // 22.2.6.1.2, p4
1435 if (__negative && __res[0] != '0')
1436 __res.insert(__res.begin(), '-');
1438 // Test for grouping fidelity.
1439 if (__grouping_tmp.size())
1440 {
1441 // Add the ending grouping.
1442 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1443 : __n);
1444 if (!std::__verify_grouping(__lc->_M_grouping,
1445 __lc->_M_grouping_size,
1446 __grouping_tmp))
1447 __testvalid = false;
1448 }
1450 // Iff not enough digits were supplied after the decimal-point.
1451 if (__testdecfound && __lc->_M_frac_digits > 0
1452 && __n != __lc->_M_frac_digits)
1453 __testvalid = false;
1454 }
1456 // Iff valid sequence is not recognized.
1457 if (!__testvalid)
1458 __err |= ios_base::failbit;
1459 else
1460 __units.swap(__res);
1462 // Iff no more characters are available.
1463 if (__beg == __end)
1464 __err |= ios_base::eofbit;
1465 return __beg;
1466 }
1468 template<typename _CharT, typename _InIter>
1469 _InIter
1470 money_get<_CharT, _InIter>::
1471 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1472 ios_base::iostate& __err, long double& __units) const
1473 {
1474 string __str;
1475 if (__intl)
1476 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1477 else
1478 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1479 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1480 return __beg;
1481 }
1483 template<typename _CharT, typename _InIter>
1484 _InIter
1485 money_get<_CharT, _InIter>::
1486 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1487 ios_base::iostate& __err, string_type& __units) const
1488 {
1489 typedef typename string::size_type size_type;
1491 const locale& __loc = __io._M_getloc();
1492 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1494 string __str;
1495 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1496 __err, __str)
1497 : _M_extract<false>(__beg, __end, __io,
1498 __err, __str);
1499 const size_type __len = __str.size();
1500 if (__len)
1501 {
1502 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1503 * __len));
1504 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1505 __units.assign(__ws, __len);
1506 }
1508 return __ret;
1509 }
1511 template<typename _CharT, typename _OutIter>
1512 template<bool _Intl>
1513 _OutIter
1514 money_put<_CharT, _OutIter>::
1515 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1516 const string_type& __digits) const
1517 {
1518 typedef typename string_type::size_type size_type;
1519 typedef money_base::part part;
1520 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1522 const locale& __loc = __io._M_getloc();
1523 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1525 __use_cache<__cache_type> __uc;
1526 const __cache_type* __lc = __uc(__loc);
1527 const char_type* __lit = __lc->_M_atoms;
1529 // Determine if negative or positive formats are to be used, and
1530 // discard leading negative_sign if it is present.
1531 const char_type* __beg = __digits.data();
1533 money_base::pattern __p;
1534 const char_type* __sign;
1535 size_type __sign_size;
1536 if (!(*__beg == __lit[money_base::_S_minus]))
1537 {
1538 __p = __lc->_M_pos_format;
1539 __sign = __lc->_M_positive_sign;
1540 __sign_size = __lc->_M_positive_sign_size;
1541 }
1542 else
1543 {
1544 __p = __lc->_M_neg_format;
1545 __sign = __lc->_M_negative_sign;
1546 __sign_size = __lc->_M_negative_sign_size;
1547 if (__digits.size())
1548 ++__beg;
1549 }
1551 // Look for valid numbers in the ctype facet within input digits.
1552 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1553 __beg + __digits.size()) - __beg;
1554 if (__len)
1555 {
1556 // Assume valid input, and attempt to format.
1557 // Break down input numbers into base components, as follows:
1558 // final_value = grouped units + (decimal point) + (digits)
1559 string_type __value;
1560 __value.reserve(2 * __len);
1562 // Add thousands separators to non-decimal digits, per
1563 // grouping rules.
1564 int __paddec = __len - __lc->_M_frac_digits;
1565 if (__paddec > 0)
1566 {
1567 if (__lc->_M_frac_digits < 0)
1568 __paddec = __len;
1569 if (__lc->_M_grouping_size)
1570 {
1571 _CharT* __ws =
1572 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1573 * 2 * __len));
1574 _CharT* __ws_end =
1575 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1576 __lc->_M_grouping,
1577 __lc->_M_grouping_size,
1578 __beg, __beg + __paddec);
1579 __value.assign(__ws, __ws_end - __ws);
1580 }
1581 else
1582 __value.assign(__beg, __paddec);
1583 }
1585 // Deal with decimal point, decimal digits.
1586 if (__lc->_M_frac_digits > 0)
1587 {
1588 __value += __lc->_M_decimal_point;
1589 if (__paddec >= 0)
1590 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1591 else
1592 {
1593 // Have to pad zeros in the decimal position.
1594 __value.append(-__paddec, __lit[money_base::_S_zero]);
1595 __value.append(__beg, __len);
1596 }
1597 }
1599 // Calculate length of resulting string.
1600 const ios_base::fmtflags __f = __io.flags()
1601 & ios_base::adjustfield;
1602 __len = __value.size() + __sign_size;
1603 __len += ((__io.flags() & ios_base::showbase)
1604 ? __lc->_M_curr_symbol_size : 0);
1606 string_type __res;
1607 __res.reserve(2 * __len);
1609 const size_type __width = static_cast<size_type>(__io.width());
1610 const bool __testipad = (__f == ios_base::internal
1611 && __len < __width);
1612 // Fit formatted digits into the required pattern.
1613 for (int __i = 0; __i < 4; ++__i)
1614 {
1615 const part __which = static_cast<part>(__p.field[__i]);
1616 switch (__which)
1617 {
1618 case money_base::symbol:
1619 if (__io.flags() & ios_base::showbase)
1620 __res.append(__lc->_M_curr_symbol,
1621 __lc->_M_curr_symbol_size);
1622 break;
1623 case money_base::sign:
1624 // Sign might not exist, or be more than one
1625 // charater long. In that case, add in the rest
1626 // below.
1627 if (__sign_size)
1628 __res += __sign[0];
1629 break;
1630 case money_base::value:
1631 __res += __value;
1632 break;
1633 case money_base::space:
1634 // At least one space is required, but if internal
1635 // formatting is required, an arbitrary number of
1636 // fill spaces will be necessary.
1637 if (__testipad)
1638 __res.append(__width - __len, __fill);
1639 else
1640 __res += __fill;
1641 break;
1642 case money_base::none:
1643 if (__testipad)
1644 __res.append(__width - __len, __fill);
1645 break;
1646 }
1647 }
1649 // Special case of multi-part sign parts.
1650 if (__sign_size > 1)
1651 __res.append(__sign + 1, __sign_size - 1);
1653 // Pad, if still necessary.
1654 __len = __res.size();
1655 if (__width > __len)
1656 {
1657 if (__f == ios_base::left)
1658 // After.
1659 __res.append(__width - __len, __fill);
1660 else
1661 // Before.
1662 __res.insert(0, __width - __len, __fill);
1663 __len = __width;
1664 }
1666 // Write resulting, fully-formatted string to output iterator.
1667 __s = std::__write(__s, __res.data(), __len);
1668 }
1669 __io.width(0);
1670 return __s;
1671 }
1673 template<typename _CharT, typename _OutIter>
1674 _OutIter
1675 money_put<_CharT, _OutIter>::
1676 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1677 long double __units) const
1678 {
1679 const locale __loc = __io.getloc();
1680 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1681 #ifdef _GLIBCXX_USE_C99
1682 // First try a buffer perhaps big enough.
1683 int __cs_size = 64;
1684 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1685 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1686 // 328. Bad sprintf format modifier in money_put<>::do_put()
1687 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1688 _S_get_c_locale(), 0);
1689 // If the buffer was not large enough, try again with the correct size.
1690 if (__len >= __cs_size)
1691 {
1692 __cs_size = __len + 1;
1693 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1694 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1695 _S_get_c_locale(), 0);
1696 }
1697 #else
1698 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1699 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1700 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1701 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1702 _S_get_c_locale(), 0);
1703 #endif
1704 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1705 * __cs_size));
1706 __ctype.widen(__cs, __cs + __len, __ws);
1707 const string_type __digits(__ws, __len);
1708 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1709 : _M_insert<false>(__s, __io, __fill, __digits);
1710 }
1712 template<typename _CharT, typename _OutIter>
1713 _OutIter
1714 money_put<_CharT, _OutIter>::
1715 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1716 const string_type& __digits) const
1717 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1718 : _M_insert<false>(__s, __io, __fill, __digits); }
1721 // NB: Not especially useful. Without an ios_base object or some
1722 // kind of locale reference, we are left clawing at the air where
1723 // the side of the mountain used to be...
1724 template<typename _CharT, typename _InIter>
1725 time_base::dateorder
1726 time_get<_CharT, _InIter>::do_date_order() const
1727 { return time_base::no_order; }
1729 // Expand a strftime format string and parse it. E.g., do_get_date() may
1730 // pass %m/%d/%Y => extracted characters.
1731 template<typename _CharT, typename _InIter>
1732 _InIter
1733 time_get<_CharT, _InIter>::
1734 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1735 ios_base::iostate& __err, tm* __tm,
1736 const _CharT* __format) const
1737 {
1738 const locale& __loc = __io._M_getloc();
1739 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1740 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1741 const size_t __len = char_traits<_CharT>::length(__format);
1743 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1744 {
1745 if (__ctype.narrow(__format[__i], 0) == '%')
1746 {
1747 // Verify valid formatting code, attempt to extract.
1748 char __c = __ctype.narrow(__format[++__i], 0);
1749 int __mem = 0;
1750 if (__c == 'E' || __c == 'O')
1751 __c = __ctype.narrow(__format[++__i], 0);
1752 switch (__c)
1753 {
1754 const char* __cs;
1755 _CharT __wcs[10];
1756 case 'a':
1757 // Abbreviated weekday name [tm_wday]
1758 const char_type* __days1[7];
1759 __tp._M_days_abbreviated(__days1);
1760 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1761 7, __io, __err);
1762 break;
1763 case 'A':
1764 // Weekday name [tm_wday].
1765 const char_type* __days2[7];
1766 __tp._M_days(__days2);
1767 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1768 7, __io, __err);
1769 break;
1770 case 'h':
1771 case 'b':
1772 // Abbreviated month name [tm_mon]
1773 const char_type* __months1[12];
1774 __tp._M_months_abbreviated(__months1);
1775 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1776 __months1, 12, __io, __err);
1777 break;
1778 case 'B':
1779 // Month name [tm_mon].
1780 const char_type* __months2[12];
1781 __tp._M_months(__months2);
1782 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1783 __months2, 12, __io, __err);
1784 break;
1785 case 'c':
1786 // Default time and date representation.
1787 const char_type* __dt[2];
1788 __tp._M_date_time_formats(__dt);
1789 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1790 __tm, __dt[0]);
1791 break;
1792 case 'd':
1793 // Day [01, 31]. [tm_mday]
1794 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1795 __io, __err);
1796 break;
1797 case 'e':
1798 // Day [1, 31], with single digits preceded by
1799 // space. [tm_mday]
1800 if (__ctype.is(ctype_base::space, *__beg))
1801 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1802 1, __io, __err);
1803 else
1804 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1805 2, __io, __err);
1806 break;
1807 case 'D':
1808 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1809 __cs = "%m/%d/%y";
1810 __ctype.widen(__cs, __cs + 9, __wcs);
1811 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1812 __tm, __wcs);
1813 break;
1814 case 'H':
1815 // Hour [00, 23]. [tm_hour]
1816 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1817 __io, __err);
1818 break;
1819 case 'I':
1820 // Hour [01, 12]. [tm_hour]
1821 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1822 __io, __err);
1823 break;
1824 case 'm':
1825 // Month [01, 12]. [tm_mon]
1826 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1827 __io, __err);
1828 if (!__err)
1829 __tm->tm_mon = __mem - 1;
1830 break;
1831 case 'M':
1832 // Minute [00, 59]. [tm_min]
1833 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1834 __io, __err);
1835 break;
1836 case 'n':
1837 if (__ctype.narrow(*__beg, 0) == '\n')
1838 ++__beg;
1839 else
1840 __err |= ios_base::failbit;
1841 break;
1842 case 'R':
1843 // Equivalent to (%H:%M).
1844 __cs = "%H:%M";
1845 __ctype.widen(__cs, __cs + 6, __wcs);
1846 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1847 __tm, __wcs);
1848 break;
1849 case 'S':
1850 // Seconds. [tm_sec]
1851 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1852 #ifdef _GLIBCXX_USE_C99
1853 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1854 #else
1855 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1856 #endif
1857 __io, __err);
1858 break;
1859 case 't':
1860 if (__ctype.narrow(*__beg, 0) == '\t')
1861 ++__beg;
1862 else
1863 __err |= ios_base::failbit;
1864 break;
1865 case 'T':
1866 // Equivalent to (%H:%M:%S).
1867 __cs = "%H:%M:%S";
1868 __ctype.widen(__cs, __cs + 9, __wcs);
1869 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1870 __tm, __wcs);
1871 break;
1872 case 'x':
1873 // Locale's date.
1874 const char_type* __dates[2];
1875 __tp._M_date_formats(__dates);
1876 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1877 __tm, __dates[0]);
1878 break;
1879 case 'X':
1880 // Locale's time.
1881 const char_type* __times[2];
1882 __tp._M_time_formats(__times);
1883 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1884 __tm, __times[0]);
1885 break;
1886 case 'y':
1887 case 'C': // C99
1888 // Two digit year. [tm_year]
1889 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1890 __io, __err);
1891 break;
1892 case 'Y':
1893 // Year [1900). [tm_year]
1894 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1895 __io, __err);
1896 if (!__err)
1897 __tm->tm_year = __mem - 1900;
1898 break;
1899 case 'Z':
1900 // Timezone info.
1901 if (__ctype.is(ctype_base::upper, *__beg))
1902 {
1903 int __tmp;
1904 __beg = _M_extract_name(__beg, __end, __tmp,
1905 __timepunct_cache<_CharT>::_S_timezones,
1906 14, __io, __err);
1908 // GMT requires special effort.
1909 if (__beg != __end && !__err && __tmp == 0
1910 && (*__beg == __ctype.widen('-')
1911 || *__beg == __ctype.widen('+')))
1912 {
1913 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1914 __io, __err);
1915 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1916 __io, __err);
1917 }
1918 }
1919 else
1920 __err |= ios_base::failbit;
1921 break;
1922 default:
1923 // Not recognized.
1924 __err |= ios_base::failbit;
1925 }
1926 }
1927 else
1928 {
1929 // Verify format and input match, extract and discard.
1930 if (__format[__i] == *__beg)
1931 ++__beg;
1932 else
1933 __err |= ios_base::failbit;
1934 }
1935 }
1936 return __beg;
1937 }
1939 template<typename _CharT, typename _InIter>
1940 _InIter
1941 time_get<_CharT, _InIter>::
1942 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1943 int __min, int __max, size_t __len,
1944 ios_base& __io, ios_base::iostate& __err) const
1945 {
1946 const locale& __loc = __io._M_getloc();
1947 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1949 // As-is works for __len = 1, 2, 4, the values actually used.
1950 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1952 ++__min;
1953 size_t __i = 0;
1954 int __value = 0;
1955 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1956 {
1957 const char __c = __ctype.narrow(*__beg, '*');
1958 if (__c >= '0' && __c <= '9')
1959 {
1960 __value = __value * 10 + (__c - '0');
1961 const int __valuec = __value * __mult;
1962 if (__valuec > __max || __valuec + __mult < __min)
1963 break;
1964 __mult /= 10;
1965 }
1966 else
1967 break;
1968 }
1969 if (__i == __len)
1970 __member = __value;
1971 else
1972 __err |= ios_base::failbit;
1973 return __beg;
1974 }
1976 // Assumptions:
1977 // All elements in __names are unique.
1978 template<typename _CharT, typename _InIter>
1979 _InIter
1980 time_get<_CharT, _InIter>::
1981 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
1982 const _CharT** __names, size_t __indexlen,
1983 ios_base& __io, ios_base::iostate& __err) const
1984 {
1985 typedef char_traits<_CharT> __traits_type;
1986 const locale& __loc = __io._M_getloc();
1987 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1989 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
1990 * __indexlen));
1991 size_t __nmatches = 0;
1992 size_t __pos = 0;
1993 bool __testvalid = true;
1994 const char_type* __name;
1996 // Look for initial matches.
1997 // NB: Some of the locale data is in the form of all lowercase
1998 // names, and some is in the form of initially-capitalized
1999 // names. Look for both.
2000 if (__beg != __end)
2001 {
2002 const char_type __c = *__beg;
2003 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2004 if (__c == __names[__i1][0]
2005 || __c == __ctype.toupper(__names[__i1][0]))
2006 __matches[__nmatches++] = __i1;
2007 }
2009 while (__nmatches > 1)
2010 {
2011 // Find smallest matching string.
2012 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2013 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2014 __minlen = std::min(__minlen,
2015 __traits_type::length(__names[__matches[__i2]]));
2016 ++__beg, ++__pos;
2017 if (__pos < __minlen && __beg != __end)
2018 for (size_t __i3 = 0; __i3 < __nmatches;)
2019 {
2020 __name = __names[__matches[__i3]];
2021 if (!(__name[__pos] == *__beg))
2022 __matches[__i3] = __matches[--__nmatches];
2023 else
2024 ++__i3;
2025 }
2026 else
2027 break;
2028 }
2030 if (__nmatches == 1)
2031 {
2032 // Make sure found name is completely extracted.
2033 ++__beg, ++__pos;
2034 __name = __names[__matches[0]];
2035 const size_t __len = __traits_type::length(__name);
2036 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2037 ++__beg, ++__pos;
2039 if (__len == __pos)
2040 __member = __matches[0];
2041 else
2042 __testvalid = false;
2043 }
2044 else
2045 __testvalid = false;
2046 if (!__testvalid)
2047 __err |= ios_base::failbit;
2048 return __beg;
2049 }
2051 template<typename _CharT, typename _InIter>
2052 _InIter
2053 time_get<_CharT, _InIter>::
2054 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2055 ios_base::iostate& __err, tm* __tm) const
2056 {
2057 const locale& __loc = __io._M_getloc();
2058 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2059 const char_type* __times[2];
2060 __tp._M_time_formats(__times);
2061 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2062 __tm, __times[0]);
2063 if (__beg == __end)
2064 __err |= ios_base::eofbit;
2065 return __beg;
2066 }
2068 template<typename _CharT, typename _InIter>
2069 _InIter
2070 time_get<_CharT, _InIter>::
2071 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2072 ios_base::iostate& __err, tm* __tm) const
2073 {
2074 const locale& __loc = __io._M_getloc();
2075 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2076 const char_type* __dates[2];
2077 __tp._M_date_formats(__dates);
2078 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2079 __tm, __dates[0]);
2080 if (__beg == __end)
2081 __err |= ios_base::eofbit;
2082 return __beg;
2083 }
2085 template<typename _CharT, typename _InIter>
2086 _InIter
2087 time_get<_CharT, _InIter>::
2088 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2089 ios_base::iostate& __err, tm* __tm) const
2090 {
2091 typedef char_traits<_CharT> __traits_type;
2092 const locale& __loc = __io._M_getloc();
2093 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2094 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2095 const char_type* __days[7];
2096 __tp._M_days_abbreviated(__days);
2097 int __tmpwday;
2098 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2100 // Check to see if non-abbreviated name exists, and extract.
2101 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2102 // exact same order, first to last, such that the resulting
2103 // __days array with the same index points to a day, and that
2104 // day's abbreviated form.
2105 // NB: Also assumes that an abbreviated name is a subset of the name.
2106 if (!__err && __beg != __end)
2107 {
2108 size_t __pos = __traits_type::length(__days[__tmpwday]);
2109 __tp._M_days(__days);
2110 const char_type* __name = __days[__tmpwday];
2111 if (__name[__pos] == *__beg)
2112 {
2113 // Extract the rest of it.
2114 const size_t __len = __traits_type::length(__name);
2115 while (__pos < __len && __beg != __end
2116 && __name[__pos] == *__beg)
2117 ++__beg, ++__pos;
2118 if (__len != __pos)
2119 __err |= ios_base::failbit;
2120 }
2121 }
2122 if (!__err)
2123 __tm->tm_wday = __tmpwday;
2125 if (__beg == __end)
2126 __err |= ios_base::eofbit;
2127 return __beg;
2128 }
2130 template<typename _CharT, typename _InIter>
2131 _InIter
2132 time_get<_CharT, _InIter>::
2133 do_get_monthname(iter_type __beg, iter_type __end,
2134 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2135 {
2136 typedef char_traits<_CharT> __traits_type;
2137 const locale& __loc = __io._M_getloc();
2138 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2139 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2140 const char_type* __months[12];
2141 __tp._M_months_abbreviated(__months);
2142 int __tmpmon;
2143 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2144 __io, __err);
2146 // Check to see if non-abbreviated name exists, and extract.
2147 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2148 // exact same order, first to last, such that the resulting
2149 // __months array with the same index points to a month, and that
2150 // month's abbreviated form.
2151 // NB: Also assumes that an abbreviated name is a subset of the name.
2152 if (!__err && __beg != __end)
2153 {
2154 size_t __pos = __traits_type::length(__months[__tmpmon]);
2155 __tp._M_months(__months);
2156 const char_type* __name = __months[__tmpmon];
2157 if (__name[__pos] == *__beg)
2158 {
2159 // Extract the rest of it.
2160 const size_t __len = __traits_type::length(__name);
2161 while (__pos < __len && __beg != __end
2162 && __name[__pos] == *__beg)
2163 ++__beg, ++__pos;
2164 if (__len != __pos)
2165 __err |= ios_base::failbit;
2166 }
2167 }
2168 if (!__err)
2169 __tm->tm_mon = __tmpmon;
2171 if (__beg == __end)
2172 __err |= ios_base::eofbit;
2173 return __beg;
2174 }
2176 template<typename _CharT, typename _InIter>
2177 _InIter
2178 time_get<_CharT, _InIter>::
2179 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2180 ios_base::iostate& __err, tm* __tm) const
2181 {
2182 const locale& __loc = __io._M_getloc();
2183 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2185 size_t __i = 0;
2186 int __value = 0;
2187 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2188 {
2189 const char __c = __ctype.narrow(*__beg, '*');
2190 if (__c >= '0' && __c <= '9')
2191 __value = __value * 10 + (__c - '0');
2192 else
2193 break;
2194 }
2195 if (__i == 2 || __i == 4)
2196 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2197 else
2198 __err |= ios_base::failbit;
2199 if (__beg == __end)
2200 __err |= ios_base::eofbit;
2201 return __beg;
2202 }
2204 template<typename _CharT, typename _OutIter>
2205 _OutIter
2206 time_put<_CharT, _OutIter>::
2207 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2208 const _CharT* __beg, const _CharT* __end) const
2209 {
2210 const locale& __loc = __io._M_getloc();
2211 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2212 for (; __beg != __end; ++__beg)
2213 if (__ctype.narrow(*__beg, 0) != '%')
2214 {
2215 *__s = *__beg;
2216 ++__s;
2217 }
2218 else if (++__beg != __end)
2219 {
2220 char __format;
2221 char __mod = 0;
2222 const char __c = __ctype.narrow(*__beg, 0);
2223 if (__c != 'E' && __c != 'O')
2224 __format = __c;
2225 else if (++__beg != __end)
2226 {
2227 __mod = __c;
2228 __format = __ctype.narrow(*__beg, 0);
2229 }
2230 else
2231 break;
2232 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2233 }
2234 else
2235 break;
2236 return __s;
2237 }
2239 template<typename _CharT, typename _OutIter>
2240 _OutIter
2241 time_put<_CharT, _OutIter>::
2242 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2243 char __format, char __mod) const
2244 {
2245 const locale& __loc = __io._M_getloc();
2246 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2247 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2249 // NB: This size is arbitrary. Should this be a data member,
2250 // initialized at construction?
2251 const size_t __maxlen = 128;
2252 char_type* __res =
2253 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2255 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2256 // is possible that the format character will be longer than one
2257 // character. Possibilities include 'E' or 'O' followed by a
2258 // format character: if __mod is not the default argument, assume
2259 // it's a valid modifier.
2260 char_type __fmt[4];
2261 __fmt[0] = __ctype.widen('%');
2262 if (!__mod)
2263 {
2264 __fmt[1] = __format;
2265 __fmt[2] = char_type();
2266 }
2267 else
2268 {
2269 __fmt[1] = __mod;
2270 __fmt[2] = __format;
2271 __fmt[3] = char_type();
2272 }
2274 __tp._M_put(__res, __maxlen, __fmt, __tm);
2276 // Write resulting, fully-formatted string to output iterator.
2277 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2278 }
2280 // Generic version does nothing.
2281 template<typename _CharT>
2282 int
2283 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2284 { return 0; }
2286 // Generic version does nothing.
2287 template<typename _CharT>
2288 size_t
2289 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2290 { return 0; }
2292 template<typename _CharT>
2293 int
2294 collate<_CharT>::
2295 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2296 const _CharT* __lo2, const _CharT* __hi2) const
2297 {
2298 // strcoll assumes zero-terminated strings so we make a copy
2299 // and then put a zero at the end.
2300 const string_type __one(__lo1, __hi1);
2301 const string_type __two(__lo2, __hi2);
2303 const _CharT* __p = __one.c_str();
2304 const _CharT* __pend = __one.data() + __one.length();
2305 const _CharT* __q = __two.c_str();
2306 const _CharT* __qend = __two.data() + __two.length();
2308 // strcoll stops when it sees a nul character so we break
2309 // the strings into zero-terminated substrings and pass those
2310 // to strcoll.
2311 for (;;)
2312 {
2313 const int __res = _M_compare(__p, __q);
2314 if (__res)
2315 return __res;
2317 __p += char_traits<_CharT>::length(__p);
2318 __q += char_traits<_CharT>::length(__q);
2319 if (__p == __pend && __q == __qend)
2320 return 0;
2321 else if (__p == __pend)
2322 return -1;
2323 else if (__q == __qend)
2324 return 1;
2326 __p++;
2327 __q++;
2328 }
2329 }
2331 template<typename _CharT>
2332 typename collate<_CharT>::string_type
2333 collate<_CharT>::
2334 do_transform(const _CharT* __lo, const _CharT* __hi) const
2335 {
2336 // strxfrm assumes zero-terminated strings so we make a copy
2337 string_type __str(__lo, __hi);
2339 const _CharT* __p = __str.c_str();
2340 const _CharT* __pend = __str.data() + __str.length();
2342 size_t __len = (__hi - __lo) * 2;
2344 string_type __ret;
2346 // strxfrm stops when it sees a nul character so we break
2347 // the string into zero-terminated substrings and pass those
2348 // to strxfrm.
2349 for (;;)
2350 {
2351 // First try a buffer perhaps big enough.
2352 _CharT* __c =
2353 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2354 size_t __res = _M_transform(__c, __p, __len);
2355 // If the buffer was not large enough, try again with the
2356 // correct size.
2357 if (__res >= __len)
2358 {
2359 __len = __res + 1;
2360 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2361 * __len));
2362 __res = _M_transform(__c, __p, __len);
2363 }
2365 __ret.append(__c, __res);
2366 __p += char_traits<_CharT>::length(__p);
2367 if (__p == __pend)
2368 return __ret;
2370 __p++;
2371 __ret.push_back(_CharT());
2372 }
2373 }
2375 template<typename _CharT>
2376 long
2377 collate<_CharT>::
2378 do_hash(const _CharT* __lo, const _CharT* __hi) const
2379 {
2380 unsigned long __val = 0;
2381 for (; __lo < __hi; ++__lo)
2382 __val = *__lo + ((__val << 7) |
2383 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2384 return static_cast<long>(__val);
2385 }
2387 // Construct correctly padded string, as per 22.2.2.2.2
2388 // Assumes
2389 // __newlen > __oldlen
2390 // __news is allocated for __newlen size
2391 // Used by both num_put and ostream inserters: if __num,
2392 // internal-adjusted objects are padded according to the rules below
2393 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2394 // ones are.
2396 // NB: Of the two parameters, _CharT can be deduced from the
2397 // function arguments. The other (_Traits) has to be explicitly specified.
2398 template<typename _CharT, typename _Traits>
2399 void
2400 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2401 _CharT* __news, const _CharT* __olds,
2402 const streamsize __newlen,
2403 const streamsize __oldlen, const bool __num)
2404 {
2405 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2406 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2408 // Padding last.
2409 if (__adjust == ios_base::left)
2410 {
2411 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2412 _Traits::assign(__news + __oldlen, __plen, __fill);
2413 return;
2414 }
2416 size_t __mod = 0;
2417 if (__adjust == ios_base::internal && __num)
2418 {
2419 // Pad after the sign, if there is one.
2420 // Pad after 0[xX], if there is one.
2421 // Who came up with these rules, anyway? Jeeze.
2422 const locale& __loc = __io._M_getloc();
2423 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2425 const bool __testsign = (__ctype.widen('-') == __olds[0]
2426 || __ctype.widen('+') == __olds[0]);
2427 const bool __testhex = (__ctype.widen('0') == __olds[0]
2428 && __oldlen > 1
2429 && (__ctype.widen('x') == __olds[1]
2430 || __ctype.widen('X') == __olds[1]));
2431 if (__testhex)
2432 {
2433 __news[0] = __olds[0];
2434 __news[1] = __olds[1];
2435 __mod = 2;
2436 __news += 2;
2437 }
2438 else if (__testsign)
2439 {
2440 __news[0] = __olds[0];
2441 __mod = 1;
2442 ++__news;
2443 }
2444 // else Padding first.
2445 }
2446 _Traits::assign(__news, __plen, __fill);
2447 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2448 __oldlen - __mod);
2449 }
2451 bool
2452 __verify_grouping(const char* __grouping, size_t __grouping_size,
2453 const string& __grouping_tmp)
2454 {
2455 const size_t __n = __grouping_tmp.size() - 1;
2456 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2457 size_t __i = __n;
2458 bool __test = true;
2460 // Parsed number groupings have to match the
2461 // numpunct::grouping string exactly, starting at the
2462 // right-most point of the parsed sequence of elements ...
2463 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2464 __test = __grouping_tmp[__i] == __grouping[__j];
2465 for (; __i && __test; --__i)
2466 __test = __grouping_tmp[__i] == __grouping[__min];
2467 // ... but the last parsed grouping can be <= numpunct
2468 // grouping.
2469 __test &= __grouping_tmp[0] <= __grouping[__min];
2470 return __test;
2471 }
2473 template<typename _CharT>
2474 _CharT*
2475 __add_grouping(_CharT* __s, _CharT __sep,
2476 const char* __gbeg, size_t __gsize,
2477 const _CharT* __first, const _CharT* __last)
2478 {
2479 if (__last - __first > *__gbeg)
2480 {
2481 const bool __bump = __gsize != 1;
2482 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2483 __gsize - __bump, __first,
2484 __last - *__gbeg);
2485 __first = __last - *__gbeg;
2486 *__s++ = __sep;
2487 }
2488 do
2489 *__s++ = *__first++;
2490 while (__first != __last);
2491 return __s;
2492 }
2494 // Inhibit implicit instantiations for required instantiations,
2495 // which are defined via explicit instantiations elsewhere.
2496 // NB: This syntax is a GNU extension.
2497 #if _GLIBCXX_EXTERN_TEMPLATE
2498 extern template class moneypunct<char, false>;
2499 extern template class moneypunct<char, true>;
2500 extern template class moneypunct_byname<char, false>;
2501 extern template class moneypunct_byname<char, true>;
2502 extern template class money_get<char>;
2503 extern template class money_put<char>;
2504 extern template class numpunct<char>;
2505 extern template class numpunct_byname<char>;
2506 extern template class num_get<char>;
2507 extern template class num_put<char>;
2508 extern template class __timepunct<char>;
2509 extern template class time_put<char>;
2510 extern template class time_put_byname<char>;
2511 extern template class time_get<char>;
2512 extern template class time_get_byname<char>;
2513 extern template class messages<char>;
2514 extern template class messages_byname<char>;
2515 extern template class ctype_byname<char>;
2516 extern template class codecvt_byname<char, char, mbstate_t>;
2517 extern template class collate<char>;
2518 extern template class collate_byname<char>;
2520 extern template
2521 const codecvt<char, char, mbstate_t>&
2522 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2524 extern template
2525 const collate<char>&
2526 use_facet<collate<char> >(const locale&);
2528 extern template
2529 const numpunct<char>&
2530 use_facet<numpunct<char> >(const locale&);
2532 extern template
2533 const num_put<char>&
2534 use_facet<num_put<char> >(const locale&);
2536 extern template
2537 const num_get<char>&
2538 use_facet<num_get<char> >(const locale&);
2540 extern template
2541 const moneypunct<char, true>&
2542 use_facet<moneypunct<char, true> >(const locale&);
2544 extern template
2545 const moneypunct<char, false>&
2546 use_facet<moneypunct<char, false> >(const locale&);
2548 extern template
2549 const money_put<char>&
2550 use_facet<money_put<char> >(const locale&);
2552 extern template
2553 const money_get<char>&
2554 use_facet<money_get<char> >(const locale&);
2556 extern template
2557 const __timepunct<char>&
2558 use_facet<__timepunct<char> >(const locale&);
2560 extern template
2561 const time_put<char>&
2562 use_facet<time_put<char> >(const locale&);
2564 extern template
2565 const time_get<char>&
2566 use_facet<time_get<char> >(const locale&);
2568 extern template
2569 const messages<char>&
2570 use_facet<messages<char> >(const locale&);
2572 extern template
2573 bool
2574 has_facet<ctype<char> >(const locale&);
2576 extern template
2577 bool
2578 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2580 extern template
2581 bool
2582 has_facet<collate<char> >(const locale&);
2584 extern template
2585 bool
2586 has_facet<numpunct<char> >(const locale&);
2588 extern template
2589 bool
2590 has_facet<num_put<char> >(const locale&);
2592 extern template
2593 bool
2594 has_facet<num_get<char> >(const locale&);
2596 extern template
2597 bool
2598 has_facet<moneypunct<char> >(const locale&);
2600 extern template
2601 bool
2602 has_facet<money_put<char> >(const locale&);
2604 extern template
2605 bool
2606 has_facet<money_get<char> >(const locale&);
2608 extern template
2609 bool
2610 has_facet<__timepunct<char> >(const locale&);
2612 extern template
2613 bool
2614 has_facet<time_put<char> >(const locale&);
2616 extern template
2617 bool
2618 has_facet<time_get<char> >(const locale&);
2620 extern template
2621 bool
2622 has_facet<messages<char> >(const locale&);
2624 #ifdef _GLIBCXX_USE_WCHAR_T
2625 extern template class moneypunct<wchar_t, false>;
2626 extern template class moneypunct<wchar_t, true>;
2627 extern template class moneypunct_byname<wchar_t, false>;
2628 extern template class moneypunct_byname<wchar_t, true>;
2629 extern template class money_get<wchar_t>;
2630 extern template class money_put<wchar_t>;
2631 extern template class numpunct<wchar_t>;
2632 extern template class numpunct_byname<wchar_t>;
2633 extern template class num_get<wchar_t>;
2634 extern template class num_put<wchar_t>;
2635 extern template class __timepunct<wchar_t>;
2636 extern template class time_put<wchar_t>;
2637 extern template class time_put_byname<wchar_t>;
2638 extern template class time_get<wchar_t>;
2639 extern template class time_get_byname<wchar_t>;
2640 extern template class messages<wchar_t>;
2641 extern template class messages_byname<wchar_t>;
2642 extern template class ctype_byname<wchar_t>;
2643 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2644 extern template class collate<wchar_t>;
2645 extern template class collate_byname<wchar_t>;
2647 extern template
2648 const codecvt<wchar_t, char, mbstate_t>&
2649 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2651 extern template
2652 const collate<wchar_t>&
2653 use_facet<collate<wchar_t> >(const locale&);
2655 extern template
2656 const numpunct<wchar_t>&
2657 use_facet<numpunct<wchar_t> >(const locale&);
2659 extern template
2660 const num_put<wchar_t>&
2661 use_facet<num_put<wchar_t> >(const locale&);
2663 extern template
2664 const num_get<wchar_t>&
2665 use_facet<num_get<wchar_t> >(const locale&);
2667 extern template
2668 const moneypunct<wchar_t, true>&
2669 use_facet<moneypunct<wchar_t, true> >(const locale&);
2671 extern template
2672 const moneypunct<wchar_t, false>&
2673 use_facet<moneypunct<wchar_t, false> >(const locale&);
2675 extern template
2676 const money_put<wchar_t>&
2677 use_facet<money_put<wchar_t> >(const locale&);
2679 extern template
2680 const money_get<wchar_t>&
2681 use_facet<money_get<wchar_t> >(const locale&);
2683 extern template
2684 const __timepunct<wchar_t>&
2685 use_facet<__timepunct<wchar_t> >(const locale&);
2687 extern template
2688 const time_put<wchar_t>&
2689 use_facet<time_put<wchar_t> >(const locale&);
2691 extern template
2692 const time_get<wchar_t>&
2693 use_facet<time_get<wchar_t> >(const locale&);
2695 extern template
2696 const messages<wchar_t>&
2697 use_facet<messages<wchar_t> >(const locale&);
2699 extern template
2700 bool
2701 has_facet<ctype<wchar_t> >(const locale&);
2703 extern template
2704 bool
2705 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2707 extern template
2708 bool
2709 has_facet<collate<wchar_t> >(const locale&);
2711 extern template
2712 bool
2713 has_facet<numpunct<wchar_t> >(const locale&);
2715 extern template
2716 bool
2717 has_facet<num_put<wchar_t> >(const locale&);
2719 extern template
2720 bool
2721 has_facet<num_get<wchar_t> >(const locale&);
2723 extern template
2724 bool
2725 has_facet<moneypunct<wchar_t> >(const locale&);
2727 extern template
2728 bool
2729 has_facet<money_put<wchar_t> >(const locale&);
2731 extern template
2732 bool
2733 has_facet<money_get<wchar_t> >(const locale&);
2735 extern template
2736 bool
2737 has_facet<__timepunct<wchar_t> >(const locale&);
2739 extern template
2740 bool
2741 has_facet<time_put<wchar_t> >(const locale&);
2743 extern template
2744 bool
2745 has_facet<time_get<wchar_t> >(const locale&);
2747 extern template
2748 bool
2749 has_facet<messages<wchar_t> >(const locale&);
2750 #endif
2751 #endif
2752 } // namespace std
2754 #endif