| blob | eb4a3527c5c872739450b25cd6c611e767cabd63 |
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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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
197 && static_cast<signed char>(__np.grouping()[0]) > 0);
199 _M_truename_size = __np.truename().size();
200 _CharT* __truename = new _CharT[_M_truename_size];
201 __np.truename().copy(__truename, _M_truename_size);
202 _M_truename = __truename;
204 _M_falsename_size = __np.falsename().size();
205 _CharT* __falsename = new _CharT[_M_falsename_size];
206 __np.falsename().copy(__falsename, _M_falsename_size);
207 _M_falsename = __falsename;
209 _M_decimal_point = __np.decimal_point();
210 _M_thousands_sep = __np.thousands_sep();
212 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
213 __ct.widen(__num_base::_S_atoms_out,
214 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
215 __ct.widen(__num_base::_S_atoms_in,
216 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
217 }
219 template<typename _CharT, bool _Intl>
220 void
221 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
222 {
223 _M_allocated = true;
225 const moneypunct<_CharT, _Intl>& __mp =
226 use_facet<moneypunct<_CharT, _Intl> >(__loc);
228 _M_grouping_size = __mp.grouping().size();
229 char* __grouping = new char[_M_grouping_size];
230 __mp.grouping().copy(__grouping, _M_grouping_size);
231 _M_grouping = __grouping;
232 _M_use_grouping = (_M_grouping_size
233 && static_cast<signed char>(__mp.grouping()[0]) > 0);
235 _M_decimal_point = __mp.decimal_point();
236 _M_thousands_sep = __mp.thousands_sep();
237 _M_frac_digits = __mp.frac_digits();
239 _M_curr_symbol_size = __mp.curr_symbol().size();
240 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
241 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
242 _M_curr_symbol = __curr_symbol;
244 _M_positive_sign_size = __mp.positive_sign().size();
245 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
246 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
247 _M_positive_sign = __positive_sign;
249 _M_negative_sign_size = __mp.negative_sign().size();
250 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
251 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
252 _M_negative_sign = __negative_sign;
254 _M_pos_format = __mp.pos_format();
255 _M_neg_format = __mp.neg_format();
257 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
258 __ct.widen(money_base::_S_atoms,
259 money_base::_S_atoms + money_base::_S_end, _M_atoms);
260 }
263 // Used by both numeric and monetary facets.
264 // Check to make sure that the __grouping_tmp string constructed in
265 // money_get or num_get matches the canonical grouping for a given
266 // locale.
267 // __grouping_tmp is parsed L to R
268 // 1,222,444 == __grouping_tmp of "\1\3\3"
269 // __grouping is parsed R to L
270 // 1,222,444 == __grouping of "\3" == "\3\3\3"
271 static bool
272 __verify_grouping(const char* __grouping, size_t __grouping_size,
273 const string& __grouping_tmp);
275 template<typename _CharT, typename _InIter>
276 _InIter
277 num_get<_CharT, _InIter>::
278 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
279 ios_base::iostate& __err, string& __xtrc) const
280 {
281 typedef char_traits<_CharT> __traits_type;
282 typedef __numpunct_cache<_CharT> __cache_type;
283 __use_cache<__cache_type> __uc;
284 const locale& __loc = __io._M_getloc();
285 const __cache_type* __lc = __uc(__loc);
286 const _CharT* __lit = __lc->_M_atoms_in;
287 char_type __c = char_type();
289 // True if __beg becomes equal to __end.
290 bool __testeof = __beg == __end;
292 // First check for sign.
293 if (!__testeof)
294 {
295 __c = *__beg;
296 const bool __plus = __c == __lit[__num_base::_S_iplus];
297 if ((__plus || __c == __lit[__num_base::_S_iminus])
298 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
299 && !(__c == __lc->_M_decimal_point))
300 {
301 __xtrc += __plus ? '+' : '-';
302 if (++__beg != __end)
303 __c = *__beg;
304 else
305 __testeof = true;
306 }
307 }
309 // Next, look for leading zeros.
310 bool __found_mantissa = false;
311 int __sep_pos = 0;
312 while (!__testeof)
313 {
314 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
315 || __c == __lc->_M_decimal_point)
316 break;
317 else if (__c == __lit[__num_base::_S_izero])
318 {
319 if (!__found_mantissa)
320 {
321 __xtrc += '0';
322 __found_mantissa = true;
323 }
324 ++__sep_pos;
326 if (++__beg != __end)
327 __c = *__beg;
328 else
329 __testeof = true;
330 }
331 else
332 break;
333 }
335 // Only need acceptable digits for floating point numbers.
336 bool __found_dec = false;
337 bool __found_sci = false;
338 string __found_grouping;
339 if (__lc->_M_use_grouping)
340 __found_grouping.reserve(32);
341 const char_type* __q;
342 const char_type* __lit_zero = __lit + __num_base::_S_izero;
343 while (!__testeof)
344 {
345 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
346 // and decimal_point.
347 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
348 {
349 if (!__found_dec && !__found_sci)
350 {
351 // NB: Thousands separator at the beginning of a string
352 // is a no-no, as is two consecutive thousands separators.
353 if (__sep_pos)
354 {
355 __found_grouping += static_cast<char>(__sep_pos);
356 __sep_pos = 0;
357 }
358 else
359 {
360 // NB: __convert_to_v will not assign __v and will
361 // set the failbit.
362 __xtrc.clear();
363 break;
364 }
365 }
366 else
367 break;
368 }
369 else if (__c == __lc->_M_decimal_point)
370 {
371 if (!__found_dec && !__found_sci)
372 {
373 // If no grouping chars are seen, no grouping check
374 // is applied. Therefore __found_grouping is adjusted
375 // only if decimal_point comes after some thousands_sep.
376 if (__found_grouping.size())
377 __found_grouping += static_cast<char>(__sep_pos);
378 __xtrc += '.';
379 __found_dec = true;
380 }
381 else
382 break;
383 }
384 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
385 {
386 __xtrc += __num_base::_S_atoms_in[__q - __lit];
387 __found_mantissa = true;
388 ++__sep_pos;
389 }
390 else if ((__c == __lit[__num_base::_S_ie]
391 || __c == __lit[__num_base::_S_iE])
392 && !__found_sci && __found_mantissa)
393 {
394 // Scientific notation.
395 if (__found_grouping.size() && !__found_dec)
396 __found_grouping += static_cast<char>(__sep_pos);
397 __xtrc += 'e';
398 __found_sci = true;
400 // Remove optional plus or minus sign, if they exist.
401 if (++__beg != __end)
402 {
403 __c = *__beg;
404 const bool __plus = __c == __lit[__num_base::_S_iplus];
405 if ((__plus || __c == __lit[__num_base::_S_iminus])
406 && !(__lc->_M_use_grouping
407 && __c == __lc->_M_thousands_sep)
408 && !(__c == __lc->_M_decimal_point))
409 __xtrc += __plus ? '+' : '-';
410 else
411 continue;
412 }
413 else
414 {
415 __testeof = true;
416 break;
417 }
418 }
419 else
420 // Not a valid input item.
421 break;
423 if (++__beg != __end)
424 __c = *__beg;
425 else
426 __testeof = true;
427 }
429 // Digit grouping is checked. If grouping and found_grouping don't
430 // match, then get very very upset, and set failbit.
431 if (__found_grouping.size())
432 {
433 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
434 if (!__found_dec && !__found_sci)
435 __found_grouping += static_cast<char>(__sep_pos);
437 if (!std::__verify_grouping(__lc->_M_grouping,
438 __lc->_M_grouping_size,
439 __found_grouping))
440 __err |= ios_base::failbit;
441 }
443 // Finish up.
444 if (__testeof)
445 __err |= ios_base::eofbit;
446 return __beg;
447 }
449 template<typename _ValueT>
450 struct __to_unsigned_type
451 { typedef _ValueT __type; };
453 template<>
454 struct __to_unsigned_type<long>
455 { typedef unsigned long __type; };
457 #ifdef _GLIBCXX_USE_LONG_LONG
458 template<>
459 struct __to_unsigned_type<long long>
460 { typedef unsigned long long __type; };
461 #endif
463 template<typename _CharT, typename _InIter>
464 template<typename _ValueT>
465 _InIter
466 num_get<_CharT, _InIter>::
467 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
468 ios_base::iostate& __err, _ValueT& __v) const
469 {
470 typedef char_traits<_CharT> __traits_type;
471 typedef typename __to_unsigned_type<_ValueT>::__type __unsigned_type;
472 typedef __numpunct_cache<_CharT> __cache_type;
473 __use_cache<__cache_type> __uc;
474 const locale& __loc = __io._M_getloc();
475 const __cache_type* __lc = __uc(__loc);
476 const _CharT* __lit = __lc->_M_atoms_in;
477 char_type __c = char_type();
479 // NB: Iff __basefield == 0, __base can change based on contents.
480 const ios_base::fmtflags __basefield = __io.flags()
481 & ios_base::basefield;
482 const bool __oct = __basefield == ios_base::oct;
483 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
485 // True if __beg becomes equal to __end.
486 bool __testeof = __beg == __end;
488 // First check for sign.
489 bool __negative = false;
490 if (!__testeof)
491 {
492 __c = *__beg;
493 if (numeric_limits<_ValueT>::is_signed)
494 __negative = __c == __lit[__num_base::_S_iminus];
495 if ((__negative || __c == __lit[__num_base::_S_iplus])
496 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
497 && !(__c == __lc->_M_decimal_point))
498 {
499 if (++__beg != __end)
500 __c = *__beg;
501 else
502 __testeof = true;
503 }
504 }
506 // Next, look for leading zeros and check required digits
507 // for base formats.
508 bool __found_zero = false;
509 int __sep_pos = 0;
510 while (!__testeof)
511 {
512 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
513 || __c == __lc->_M_decimal_point)
514 break;
515 else if (__c == __lit[__num_base::_S_izero]
516 && (!__found_zero || __base == 10))
517 {
518 __found_zero = true;
519 ++__sep_pos;
520 if (__basefield == 0)
521 __base = 8;
522 if (__base == 8)
523 __sep_pos = 0;
524 }
525 else if (__found_zero
526 && (__c == __lit[__num_base::_S_ix]
527 || __c == __lit[__num_base::_S_iX]))
528 {
529 if (__basefield == 0)
530 __base = 16;
531 if (__base == 16)
532 {
533 __found_zero = false;
534 __sep_pos = 0;
535 }
536 else
537 break;
538 }
539 else
540 break;
542 if (++__beg != __end)
543 {
544 __c = *__beg;
545 if (!__found_zero)
546 break;
547 }
548 else
549 __testeof = true;
550 }
552 // At this point, base is determined. If not hex, only allow
553 // base digits as valid input.
554 const size_t __len = (__base == 16 ? __num_base::_S_iend
555 - __num_base::_S_izero : __base);
557 // Extract.
558 string __found_grouping;
559 if (__lc->_M_use_grouping)
560 __found_grouping.reserve(32);
561 bool __testfail = false;
562 const __unsigned_type __max = __negative ?
563 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
564 const __unsigned_type __smax = __max / __base;
565 __unsigned_type __result = 0;
566 const char_type* __q;
567 const char_type* __lit_zero = __lit + __num_base::_S_izero;
568 while (!__testeof)
569 {
570 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
571 // and decimal_point.
572 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
573 {
574 // NB: Thousands separator at the beginning of a string
575 // is a no-no, as is two consecutive thousands separators.
576 if (__sep_pos)
577 {
578 __found_grouping += static_cast<char>(__sep_pos);
579 __sep_pos = 0;
580 }
581 else
582 {
583 __testfail = true;
584 break;
585 }
586 }
587 else if (__c == __lc->_M_decimal_point)
588 break;
589 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
590 {
591 int __digit = __q - __lit_zero;
592 if (__digit > 15)
593 __digit -= 6;
594 if (__result > __smax)
595 __testfail = true;
596 else
597 {
598 __result *= __base;
599 __testfail |= __result > __max - __digit;
600 __result += __digit;
601 ++__sep_pos;
602 }
603 }
604 else
605 // Not a valid input item.
606 break;
608 if (++__beg != __end)
609 __c = *__beg;
610 else
611 __testeof = true;
612 }
614 // Digit grouping is checked. If grouping and found_grouping don't
615 // match, then get very very upset, and set failbit.
616 if (__found_grouping.size())
617 {
618 // Add the ending grouping.
619 __found_grouping += static_cast<char>(__sep_pos);
621 if (!std::__verify_grouping(__lc->_M_grouping,
622 __lc->_M_grouping_size,
623 __found_grouping))
624 __err |= ios_base::failbit;
625 }
627 if (!__testfail && (__sep_pos || __found_zero
628 || __found_grouping.size()))
629 __v = __negative ? -__result : __result;
630 else
631 __err |= ios_base::failbit;
633 if (__testeof)
634 __err |= ios_base::eofbit;
635 return __beg;
636 }
638 // _GLIBCXX_RESOLVE_LIB_DEFECTS
639 // 17. Bad bool parsing
640 template<typename _CharT, typename _InIter>
641 _InIter
642 num_get<_CharT, _InIter>::
643 do_get(iter_type __beg, iter_type __end, ios_base& __io,
644 ios_base::iostate& __err, bool& __v) const
645 {
646 if (!(__io.flags() & ios_base::boolalpha))
647 {
648 // Parse bool values as long.
649 // NB: We can't just call do_get(long) here, as it might
650 // refer to a derived class.
651 long __l = -1;
652 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
653 if (__l == 0 || __l == 1)
654 __v = __l;
655 else
656 __err |= ios_base::failbit;
657 }
658 else
659 {
660 // Parse bool values as alphanumeric.
661 typedef __numpunct_cache<_CharT> __cache_type;
662 __use_cache<__cache_type> __uc;
663 const locale& __loc = __io._M_getloc();
664 const __cache_type* __lc = __uc(__loc);
666 bool __testf = true;
667 bool __testt = true;
668 size_t __n;
669 bool __testeof = __beg == __end;
670 for (__n = 0; !__testeof; ++__n)
671 {
672 const char_type __c = *__beg;
674 if (__testf)
675 if (__n < __lc->_M_falsename_size)
676 __testf = __c == __lc->_M_falsename[__n];
677 else
678 break;
680 if (__testt)
681 if (__n < __lc->_M_truename_size)
682 __testt = __c == __lc->_M_truename[__n];
683 else
684 break;
686 if (!__testf && !__testt)
687 break;
689 if (++__beg == __end)
690 __testeof = true;
691 }
692 if (__testf && __n == __lc->_M_falsename_size)
693 __v = 0;
694 else if (__testt && __n == __lc->_M_truename_size)
695 __v = 1;
696 else
697 __err |= ios_base::failbit;
699 if (__testeof)
700 __err |= ios_base::eofbit;
701 }
702 return __beg;
703 }
705 template<typename _CharT, typename _InIter>
706 _InIter
707 num_get<_CharT, _InIter>::
708 do_get(iter_type __beg, iter_type __end, ios_base& __io,
709 ios_base::iostate& __err, long& __v) const
710 { return _M_extract_int(__beg, __end, __io, __err, __v); }
712 template<typename _CharT, typename _InIter>
713 _InIter
714 num_get<_CharT, _InIter>::
715 do_get(iter_type __beg, iter_type __end, ios_base& __io,
716 ios_base::iostate& __err, unsigned short& __v) const
717 { return _M_extract_int(__beg, __end, __io, __err, __v); }
719 template<typename _CharT, typename _InIter>
720 _InIter
721 num_get<_CharT, _InIter>::
722 do_get(iter_type __beg, iter_type __end, ios_base& __io,
723 ios_base::iostate& __err, unsigned int& __v) const
724 { return _M_extract_int(__beg, __end, __io, __err, __v); }
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, unsigned long& __v) const
731 { return _M_extract_int(__beg, __end, __io, __err, __v); }
733 #ifdef _GLIBCXX_USE_LONG_LONG
734 template<typename _CharT, typename _InIter>
735 _InIter
736 num_get<_CharT, _InIter>::
737 do_get(iter_type __beg, iter_type __end, ios_base& __io,
738 ios_base::iostate& __err, long long& __v) const
739 { return _M_extract_int(__beg, __end, __io, __err, __v); }
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, unsigned long long& __v) const
746 { return _M_extract_int(__beg, __end, __io, __err, __v); }
747 #endif
749 template<typename _CharT, typename _InIter>
750 _InIter
751 num_get<_CharT, _InIter>::
752 do_get(iter_type __beg, iter_type __end, ios_base& __io,
753 ios_base::iostate& __err, float& __v) const
754 {
755 string __xtrc;
756 __xtrc.reserve(32);
757 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
758 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
759 return __beg;
760 }
762 template<typename _CharT, typename _InIter>
763 _InIter
764 num_get<_CharT, _InIter>::
765 do_get(iter_type __beg, iter_type __end, ios_base& __io,
766 ios_base::iostate& __err, double& __v) const
767 {
768 string __xtrc;
769 __xtrc.reserve(32);
770 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
771 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
772 return __beg;
773 }
775 template<typename _CharT, typename _InIter>
776 _InIter
777 num_get<_CharT, _InIter>::
778 do_get(iter_type __beg, iter_type __end, ios_base& __io,
779 ios_base::iostate& __err, long double& __v) const
780 {
781 string __xtrc;
782 __xtrc.reserve(32);
783 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
784 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
785 return __beg;
786 }
788 template<typename _CharT, typename _InIter>
789 _InIter
790 num_get<_CharT, _InIter>::
791 do_get(iter_type __beg, iter_type __end, ios_base& __io,
792 ios_base::iostate& __err, void*& __v) const
793 {
794 // Prepare for hex formatted input.
795 typedef ios_base::fmtflags fmtflags;
796 const fmtflags __fmt = __io.flags();
797 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
799 unsigned long __ul;
800 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
802 // Reset from hex formatted input.
803 __io.flags(__fmt);
805 if (!(__err & ios_base::failbit))
806 __v = reinterpret_cast<void*>(__ul);
807 return __beg;
808 }
810 // For use by integer and floating-point types after they have been
811 // converted into a char_type string.
812 template<typename _CharT, typename _OutIter>
813 void
814 num_put<_CharT, _OutIter>::
815 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
816 _CharT* __new, const _CharT* __cs, int& __len) const
817 {
818 // [22.2.2.2.2] Stage 3.
819 // If necessary, pad.
820 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
821 __w, __len, true);
822 __len = static_cast<int>(__w);
823 }
825 // Forwarding functions to peel signed from unsigned integer types and
826 // either cast or compute the absolute value for the former, depending
827 // on __basefield.
828 template<typename _CharT>
829 inline int
830 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
831 ios_base::fmtflags __flags)
832 {
833 unsigned long __ul = __v;
834 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
835 if (__builtin_expect(__basefield != ios_base::oct
836 && __basefield != ios_base::hex, true))
837 __ul = __v < 0 ? -__v : __ul;
838 return __int_to_char(__bufend, __ul, __lit, __flags, false);
839 }
841 template<typename _CharT>
842 inline int
843 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
844 ios_base::fmtflags __flags)
845 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
847 #ifdef _GLIBCXX_USE_LONG_LONG
848 template<typename _CharT>
849 inline int
850 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
851 ios_base::fmtflags __flags)
852 {
853 unsigned long long __ull = __v;
854 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
855 if (__builtin_expect(__basefield != ios_base::oct
856 && __basefield != ios_base::hex, true))
857 __ull = __v < 0 ? -__v : __ull;
858 return __int_to_char(__bufend, __ull, __lit, __flags, false);
859 }
861 template<typename _CharT>
862 inline int
863 __int_to_char(_CharT* __bufend, unsigned long long __v,
864 const _CharT* __lit, ios_base::fmtflags __flags)
865 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
866 #endif
868 // N.B. The last argument is currently unused (see libstdc++/20914).
869 template<typename _CharT, typename _ValueT>
870 int
871 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
872 ios_base::fmtflags __flags, bool)
873 {
874 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
875 _CharT* __buf = __bufend;
877 if (__builtin_expect(__basefield != ios_base::oct
878 && __basefield != ios_base::hex, true))
879 {
880 // Decimal.
881 do
882 {
883 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
884 __v /= 10;
885 }
886 while (__v != 0);
887 }
888 else if (__basefield == ios_base::oct)
889 {
890 // Octal.
891 do
892 {
893 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
894 __v >>= 3;
895 }
896 while (__v != 0);
897 }
898 else
899 {
900 // Hex.
901 const bool __uppercase = __flags & ios_base::uppercase;
902 const int __case_offset = __uppercase ? __num_base::_S_oudigits
903 : __num_base::_S_odigits;
904 do
905 {
906 *--__buf = __lit[(__v & 0xf) + __case_offset];
907 __v >>= 4;
908 }
909 while (__v != 0);
910 }
911 return __bufend - __buf;
912 }
914 template<typename _CharT, typename _OutIter>
915 void
916 num_put<_CharT, _OutIter>::
917 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
918 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
919 {
920 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
921 __grouping_size, __cs, __cs + __len);
922 __len = __p - __new;
923 }
925 template<typename _CharT, typename _OutIter>
926 template<typename _ValueT>
927 _OutIter
928 num_put<_CharT, _OutIter>::
929 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
930 _ValueT __v) const
931 {
932 typedef __numpunct_cache<_CharT> __cache_type;
933 __use_cache<__cache_type> __uc;
934 const locale& __loc = __io._M_getloc();
935 const __cache_type* __lc = __uc(__loc);
936 const _CharT* __lit = __lc->_M_atoms_out;
937 const ios_base::fmtflags __flags = __io.flags();
939 // Long enough to hold hex, dec, and octal representations.
940 const int __ilen = 5 * sizeof(_ValueT);
941 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
942 * __ilen));
944 // [22.2.2.2.2] Stage 1, numeric conversion to character.
945 // Result is returned right-justified in the buffer.
946 int __len = __int_to_char(__cs + __ilen, __v, __lit, __flags);
947 __cs += __ilen - __len;
949 // Add grouping, if necessary.
950 if (__lc->_M_use_grouping)
951 {
952 // Grouping can add (almost) as many separators as the number
953 // of digits + space is reserved for numeric base or sign.
954 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
955 * (__len + 1)
956 * 2));
957 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
958 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
959 __cs = __cs2 + 2;
960 }
962 // Complete Stage 1, prepend numeric base or sign.
963 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
964 if (__builtin_expect(__basefield != ios_base::oct
965 && __basefield != ios_base::hex, true))
966 {
967 // Decimal.
968 if (__v > 0)
969 {
970 if (__flags & ios_base::showpos
971 && numeric_limits<_ValueT>::is_signed)
972 *--__cs = __lit[__num_base::_S_oplus], ++__len;
973 }
974 else if (__v)
975 *--__cs = __lit[__num_base::_S_ominus], ++__len;
976 }
977 else if (__flags & ios_base::showbase && __v)
978 {
979 if (__basefield == ios_base::oct)
980 *--__cs = __lit[__num_base::_S_odigits], ++__len;
981 else
982 {
983 // 'x' or 'X'
984 const bool __uppercase = __flags & ios_base::uppercase;
985 *--__cs = __lit[__num_base::_S_ox + __uppercase];
986 // '0'
987 *--__cs = __lit[__num_base::_S_odigits];
988 __len += 2;
989 }
990 }
992 // Pad.
993 const streamsize __w = __io.width();
994 if (__w > static_cast<streamsize>(__len))
995 {
996 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
997 * __w));
998 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
999 __cs = __cs3;
1000 }
1001 __io.width(0);
1003 // [22.2.2.2.2] Stage 4.
1004 // Write resulting, fully-formatted string to output iterator.
1005 return std::__write(__s, __cs, __len);
1006 }
1008 template<typename _CharT, typename _OutIter>
1009 void
1010 num_put<_CharT, _OutIter>::
1011 _M_group_float(const char* __grouping, size_t __grouping_size,
1012 _CharT __sep, const _CharT* __p, _CharT* __new,
1013 _CharT* __cs, int& __len) const
1014 {
1015 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1016 // 282. What types does numpunct grouping refer to?
1017 // Add grouping, if necessary.
1018 const int __declen = __p ? __p - __cs : __len;
1019 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1020 __grouping_size,
1021 __cs, __cs + __declen);
1023 // Tack on decimal part.
1024 int __newlen = __p2 - __new;
1025 if (__p)
1026 {
1027 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1028 __newlen += __len - __declen;
1029 }
1030 __len = __newlen;
1031 }
1033 // The following code uses snprintf (or sprintf(), when
1034 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1035 // for insertion into a stream. An optimization would be to replace
1036 // them with code that works directly on a wide buffer and then use
1037 // __pad to do the padding. It would be good to replace them anyway
1038 // to gain back the efficiency that C++ provides by knowing up front
1039 // the type of the values to insert. Also, sprintf is dangerous
1040 // since may lead to accidental buffer overruns. This
1041 // implementation follows the C++ standard fairly directly as
1042 // outlined in 22.2.2.2 [lib.locale.num.put]
1043 template<typename _CharT, typename _OutIter>
1044 template<typename _ValueT>
1045 _OutIter
1046 num_put<_CharT, _OutIter>::
1047 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1048 _ValueT __v) const
1049 {
1050 typedef __numpunct_cache<_CharT> __cache_type;
1051 __use_cache<__cache_type> __uc;
1052 const locale& __loc = __io._M_getloc();
1053 const __cache_type* __lc = __uc(__loc);
1055 // Use default precision if out of range.
1056 streamsize __prec = __io.precision();
1057 if (__prec < static_cast<streamsize>(0))
1058 __prec = static_cast<streamsize>(6);
1060 const int __max_digits = numeric_limits<_ValueT>::digits10;
1062 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1063 int __len;
1064 // Long enough for the max format spec.
1065 char __fbuf[16];
1067 #ifdef _GLIBCXX_USE_C99
1068 // First try a buffer perhaps big enough (most probably sufficient
1069 // for non-ios_base::fixed outputs)
1070 int __cs_size = __max_digits * 3;
1071 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1073 __num_base::_S_format_float(__io, __fbuf, __mod);
1074 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1075 _S_get_c_locale(), __prec);
1077 // If the buffer was not large enough, try again with the correct size.
1078 if (__len >= __cs_size)
1079 {
1080 __cs_size = __len + 1;
1081 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1082 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1083 _S_get_c_locale(), __prec);
1084 }
1085 #else
1086 // Consider the possibility of long ios_base::fixed outputs
1087 const bool __fixed = __io.flags() & ios_base::fixed;
1088 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1090 // The size of the output string is computed as follows.
1091 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1092 // for the integer part + __prec chars for the fractional part
1093 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1094 // for non-fixed outputs __max_digits * 2 + __prec chars are
1095 // largely sufficient.
1096 const int __cs_size = __fixed ? __max_exp + __prec + 4
1097 : __max_digits * 2 + __prec;
1098 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1100 __num_base::_S_format_float(__io, __fbuf, __mod);
1101 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1102 _S_get_c_locale(), __prec);
1103 #endif
1105 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1106 // numpunct.decimal_point() values for '.' and adding grouping.
1107 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1109 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1110 * __len));
1111 __ctype.widen(__cs, __cs + __len, __ws);
1113 // Replace decimal point.
1114 const _CharT __cdec = __ctype.widen('.');
1115 const _CharT __dec = __lc->_M_decimal_point;
1116 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1117 if (__p)
1118 __ws[__p - __ws] = __dec;
1120 // Add grouping, if necessary.
1121 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1122 // point, scientific notation.
1123 if (__lc->_M_use_grouping
1124 && (__p || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1125 && __cs[1] >= '0' && __cs[2] >= '0')))
1126 {
1127 // Grouping can add (almost) as many separators as the
1128 // number of digits, but no more.
1129 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1130 * __len * 2));
1132 streamsize __off = 0;
1133 if (__cs[0] == '-' || __cs[0] == '+')
1134 {
1135 __off = 1;
1136 __ws2[0] = __ws[0];
1137 __len -= 1;
1138 }
1140 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1141 __lc->_M_thousands_sep, __p, __ws2 + __off,
1142 __ws + __off, __len);
1143 __len += __off;
1145 __ws = __ws2;
1146 }
1148 // Pad.
1149 const streamsize __w = __io.width();
1150 if (__w > static_cast<streamsize>(__len))
1151 {
1152 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1153 * __w));
1154 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1155 __ws = __ws3;
1156 }
1157 __io.width(0);
1159 // [22.2.2.2.2] Stage 4.
1160 // Write resulting, fully-formatted string to output iterator.
1161 return std::__write(__s, __ws, __len);
1162 }
1164 template<typename _CharT, typename _OutIter>
1165 _OutIter
1166 num_put<_CharT, _OutIter>::
1167 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1168 {
1169 const ios_base::fmtflags __flags = __io.flags();
1170 if ((__flags & ios_base::boolalpha) == 0)
1171 {
1172 const long __l = __v;
1173 __s = _M_insert_int(__s, __io, __fill, __l);
1174 }
1175 else
1176 {
1177 typedef __numpunct_cache<_CharT> __cache_type;
1178 __use_cache<__cache_type> __uc;
1179 const locale& __loc = __io._M_getloc();
1180 const __cache_type* __lc = __uc(__loc);
1182 const _CharT* __name = __v ? __lc->_M_truename
1183 : __lc->_M_falsename;
1184 int __len = __v ? __lc->_M_truename_size
1185 : __lc->_M_falsename_size;
1187 const streamsize __w = __io.width();
1188 if (__w > static_cast<streamsize>(__len))
1189 {
1190 _CharT* __cs
1191 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1192 * __w));
1193 _M_pad(__fill, __w, __io, __cs, __name, __len);
1194 __name = __cs;
1195 }
1196 __io.width(0);
1197 __s = std::__write(__s, __name, __len);
1198 }
1199 return __s;
1200 }
1202 template<typename _CharT, typename _OutIter>
1203 _OutIter
1204 num_put<_CharT, _OutIter>::
1205 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1206 { return _M_insert_int(__s, __io, __fill, __v); }
1208 template<typename _CharT, typename _OutIter>
1209 _OutIter
1210 num_put<_CharT, _OutIter>::
1211 do_put(iter_type __s, ios_base& __io, char_type __fill,
1212 unsigned long __v) const
1213 { return _M_insert_int(__s, __io, __fill, __v); }
1215 #ifdef _GLIBCXX_USE_LONG_LONG
1216 template<typename _CharT, typename _OutIter>
1217 _OutIter
1218 num_put<_CharT, _OutIter>::
1219 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1220 { return _M_insert_int(__s, __io, __fill, __v); }
1222 template<typename _CharT, typename _OutIter>
1223 _OutIter
1224 num_put<_CharT, _OutIter>::
1225 do_put(iter_type __s, ios_base& __io, char_type __fill,
1226 unsigned long long __v) const
1227 { return _M_insert_int(__s, __io, __fill, __v); }
1228 #endif
1230 template<typename _CharT, typename _OutIter>
1231 _OutIter
1232 num_put<_CharT, _OutIter>::
1233 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1234 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1236 template<typename _CharT, typename _OutIter>
1237 _OutIter
1238 num_put<_CharT, _OutIter>::
1239 do_put(iter_type __s, ios_base& __io, char_type __fill,
1240 long double __v) const
1241 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1243 template<typename _CharT, typename _OutIter>
1244 _OutIter
1245 num_put<_CharT, _OutIter>::
1246 do_put(iter_type __s, ios_base& __io, char_type __fill,
1247 const void* __v) const
1248 {
1249 const ios_base::fmtflags __flags = __io.flags();
1250 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1251 | ios_base::uppercase
1252 | ios_base::internal);
1253 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1255 __s = _M_insert_int(__s, __io, __fill,
1256 reinterpret_cast<unsigned long>(__v));
1257 __io.flags(__flags);
1258 return __s;
1259 }
1261 template<typename _CharT, typename _InIter>
1262 template<bool _Intl>
1263 _InIter
1264 money_get<_CharT, _InIter>::
1265 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1266 ios_base::iostate& __err, string& __units) const
1267 {
1268 typedef char_traits<_CharT> __traits_type;
1269 typedef typename string_type::size_type size_type;
1270 typedef money_base::part part;
1271 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1273 const locale& __loc = __io._M_getloc();
1274 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1276 __use_cache<__cache_type> __uc;
1277 const __cache_type* __lc = __uc(__loc);
1278 const char_type* __lit = __lc->_M_atoms;
1280 // Deduced sign.
1281 bool __negative = false;
1282 // Sign size.
1283 size_type __sign_size = 0;
1284 // True if sign is mandatory.
1285 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1286 && __lc->_M_negative_sign_size);
1287 // String of grouping info from thousands_sep plucked from __units.
1288 string __grouping_tmp;
1289 if (__lc->_M_use_grouping)
1290 __grouping_tmp.reserve(32);
1291 // Last position before the decimal point.
1292 int __last_pos = 0;
1293 // Separator positions, then, possibly, fractional digits.
1294 int __n = 0;
1295 // If input iterator is in a valid state.
1296 bool __testvalid = true;
1297 // Flag marking when a decimal point is found.
1298 bool __testdecfound = false;
1300 // The tentative returned string is stored here.
1301 string __res;
1302 __res.reserve(32);
1304 const char_type* __lit_zero = __lit + money_base::_S_zero;
1305 const money_base::pattern __p = __lc->_M_neg_format;
1306 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1307 {
1308 const part __which = static_cast<part>(__p.field[__i]);
1309 switch (__which)
1310 {
1311 case money_base::symbol:
1312 // According to 22.2.6.1.2, p2, symbol is required
1313 // if (__io.flags() & ios_base::showbase), otherwise
1314 // is optional and consumed only if other characters
1315 // are needed to complete the format.
1316 if (__io.flags() & ios_base::showbase || __sign_size > 1
1317 || __i == 0
1318 || (__i == 1 && (__mandatory_sign
1319 || (static_cast<part>(__p.field[0])
1320 == money_base::sign)
1321 || (static_cast<part>(__p.field[2])
1322 == money_base::space)))
1323 || (__i == 2 && ((static_cast<part>(__p.field[3])
1324 == money_base::value)
1325 || __mandatory_sign
1326 && (static_cast<part>(__p.field[3])
1327 == money_base::sign))))
1328 {
1329 const size_type __len = __lc->_M_curr_symbol_size;
1330 size_type __j = 0;
1331 for (; __beg != __end && __j < __len
1332 && *__beg == __lc->_M_curr_symbol[__j];
1333 ++__beg, ++__j);
1334 if (__j != __len
1335 && (__j || __io.flags() & ios_base::showbase))
1336 __testvalid = false;
1337 }
1338 break;
1339 case money_base::sign:
1340 // Sign might not exist, or be more than one character long.
1341 if (__lc->_M_positive_sign_size && __beg != __end
1342 && *__beg == __lc->_M_positive_sign[0])
1343 {
1344 __sign_size = __lc->_M_positive_sign_size;
1345 ++__beg;
1346 }
1347 else if (__lc->_M_negative_sign_size && __beg != __end
1348 && *__beg == __lc->_M_negative_sign[0])
1349 {
1350 __negative = true;
1351 __sign_size = __lc->_M_negative_sign_size;
1352 ++__beg;
1353 }
1354 else if (__lc->_M_positive_sign_size
1355 && !__lc->_M_negative_sign_size)
1356 // "... if no sign is detected, the result is given the sign
1357 // that corresponds to the source of the empty string"
1358 __negative = true;
1359 else if (__mandatory_sign)
1360 __testvalid = false;
1361 break;
1362 case money_base::value:
1363 // Extract digits, remove and stash away the
1364 // grouping of found thousands separators.
1365 for (; __beg != __end; ++__beg)
1366 {
1367 const char_type __c = *__beg;
1368 const char_type* __q = __traits_type::find(__lit_zero,
1369 10, __c);
1370 if (__q != 0)
1371 {
1372 __res += money_base::_S_atoms[__q - __lit];
1373 ++__n;
1374 }
1375 else if (__c == __lc->_M_decimal_point
1376 && !__testdecfound)
1377 {
1378 __last_pos = __n;
1379 __n = 0;
1380 __testdecfound = true;
1381 }
1382 else if (__lc->_M_use_grouping
1383 && __c == __lc->_M_thousands_sep
1384 && !__testdecfound)
1385 {
1386 if (__n)
1387 {
1388 // Mark position for later analysis.
1389 __grouping_tmp += static_cast<char>(__n);
1390 __n = 0;
1391 }
1392 else
1393 {
1394 __testvalid = false;
1395 break;
1396 }
1397 }
1398 else
1399 break;
1400 }
1401 if (__res.empty())
1402 __testvalid = false;
1403 break;
1404 case money_base::space:
1405 // At least one space is required.
1406 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1407 ++__beg;
1408 else
1409 __testvalid = false;
1410 case money_base::none:
1411 // Only if not at the end of the pattern.
1412 if (__i != 3)
1413 for (; __beg != __end
1414 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1415 break;
1416 }
1417 }
1419 // Need to get the rest of the sign characters, if they exist.
1420 if (__sign_size > 1 && __testvalid)
1421 {
1422 const char_type* __sign = __negative ? __lc->_M_negative_sign
1423 : __lc->_M_positive_sign;
1424 size_type __i = 1;
1425 for (; __beg != __end && __i < __sign_size
1426 && *__beg == __sign[__i]; ++__beg, ++__i);
1428 if (__i != __sign_size)
1429 __testvalid = false;
1430 }
1432 if (__testvalid)
1433 {
1434 // Strip leading zeros.
1435 if (__res.size() > 1)
1436 {
1437 const size_type __first = __res.find_first_not_of('0');
1438 const bool __only_zeros = __first == string::npos;
1439 if (__first)
1440 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1441 }
1443 // 22.2.6.1.2, p4
1444 if (__negative && __res[0] != '0')
1445 __res.insert(__res.begin(), '-');
1447 // Test for grouping fidelity.
1448 if (__grouping_tmp.size())
1449 {
1450 // Add the ending grouping.
1451 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1452 : __n);
1453 if (!std::__verify_grouping(__lc->_M_grouping,
1454 __lc->_M_grouping_size,
1455 __grouping_tmp))
1456 __err |= ios_base::failbit;
1457 }
1459 // Iff not enough digits were supplied after the decimal-point.
1460 if (__testdecfound && __lc->_M_frac_digits > 0
1461 && __n != __lc->_M_frac_digits)
1462 __testvalid = false;
1463 }
1465 // Iff valid sequence is not recognized.
1466 if (!__testvalid)
1467 __err |= ios_base::failbit;
1468 else
1469 __units.swap(__res);
1471 // Iff no more characters are available.
1472 if (__beg == __end)
1473 __err |= ios_base::eofbit;
1474 return __beg;
1475 }
1477 template<typename _CharT, typename _InIter>
1478 _InIter
1479 money_get<_CharT, _InIter>::
1480 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1481 ios_base::iostate& __err, long double& __units) const
1482 {
1483 string __str;
1484 if (__intl)
1485 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1486 else
1487 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1488 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1489 return __beg;
1490 }
1492 template<typename _CharT, typename _InIter>
1493 _InIter
1494 money_get<_CharT, _InIter>::
1495 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1496 ios_base::iostate& __err, string_type& __units) const
1497 {
1498 typedef typename string::size_type size_type;
1500 const locale& __loc = __io._M_getloc();
1501 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1503 string __str;
1504 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1505 __err, __str)
1506 : _M_extract<false>(__beg, __end, __io,
1507 __err, __str);
1508 const size_type __len = __str.size();
1509 if (__len)
1510 {
1511 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1512 * __len));
1513 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1514 __units.assign(__ws, __len);
1515 }
1517 return __ret;
1518 }
1520 template<typename _CharT, typename _OutIter>
1521 template<bool _Intl>
1522 _OutIter
1523 money_put<_CharT, _OutIter>::
1524 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1525 const string_type& __digits) const
1526 {
1527 typedef typename string_type::size_type size_type;
1528 typedef money_base::part part;
1529 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1531 const locale& __loc = __io._M_getloc();
1532 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1534 __use_cache<__cache_type> __uc;
1535 const __cache_type* __lc = __uc(__loc);
1536 const char_type* __lit = __lc->_M_atoms;
1538 // Determine if negative or positive formats are to be used, and
1539 // discard leading negative_sign if it is present.
1540 const char_type* __beg = __digits.data();
1542 money_base::pattern __p;
1543 const char_type* __sign;
1544 size_type __sign_size;
1545 if (!(*__beg == __lit[money_base::_S_minus]))
1546 {
1547 __p = __lc->_M_pos_format;
1548 __sign = __lc->_M_positive_sign;
1549 __sign_size = __lc->_M_positive_sign_size;
1550 }
1551 else
1552 {
1553 __p = __lc->_M_neg_format;
1554 __sign = __lc->_M_negative_sign;
1555 __sign_size = __lc->_M_negative_sign_size;
1556 if (__digits.size())
1557 ++__beg;
1558 }
1560 // Look for valid numbers in the ctype facet within input digits.
1561 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1562 __beg + __digits.size()) - __beg;
1563 if (__len)
1564 {
1565 // Assume valid input, and attempt to format.
1566 // Break down input numbers into base components, as follows:
1567 // final_value = grouped units + (decimal point) + (digits)
1568 string_type __value;
1569 __value.reserve(2 * __len);
1571 // Add thousands separators to non-decimal digits, per
1572 // grouping rules.
1573 int __paddec = __len - __lc->_M_frac_digits;
1574 if (__paddec > 0)
1575 {
1576 if (__lc->_M_frac_digits < 0)
1577 __paddec = __len;
1578 if (__lc->_M_grouping_size)
1579 {
1580 _CharT* __ws =
1581 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1582 * 2 * __len));
1583 _CharT* __ws_end =
1584 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1585 __lc->_M_grouping,
1586 __lc->_M_grouping_size,
1587 __beg, __beg + __paddec);
1588 __value.assign(__ws, __ws_end - __ws);
1589 }
1590 else
1591 __value.assign(__beg, __paddec);
1592 }
1594 // Deal with decimal point, decimal digits.
1595 if (__lc->_M_frac_digits > 0)
1596 {
1597 __value += __lc->_M_decimal_point;
1598 if (__paddec >= 0)
1599 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1600 else
1601 {
1602 // Have to pad zeros in the decimal position.
1603 __value.append(-__paddec, __lit[money_base::_S_zero]);
1604 __value.append(__beg, __len);
1605 }
1606 }
1608 // Calculate length of resulting string.
1609 const ios_base::fmtflags __f = __io.flags()
1610 & ios_base::adjustfield;
1611 __len = __value.size() + __sign_size;
1612 __len += ((__io.flags() & ios_base::showbase)
1613 ? __lc->_M_curr_symbol_size : 0);
1615 string_type __res;
1616 __res.reserve(2 * __len);
1618 const size_type __width = static_cast<size_type>(__io.width());
1619 const bool __testipad = (__f == ios_base::internal
1620 && __len < __width);
1621 // Fit formatted digits into the required pattern.
1622 for (int __i = 0; __i < 4; ++__i)
1623 {
1624 const part __which = static_cast<part>(__p.field[__i]);
1625 switch (__which)
1626 {
1627 case money_base::symbol:
1628 if (__io.flags() & ios_base::showbase)
1629 __res.append(__lc->_M_curr_symbol,
1630 __lc->_M_curr_symbol_size);
1631 break;
1632 case money_base::sign:
1633 // Sign might not exist, or be more than one
1634 // charater long. In that case, add in the rest
1635 // below.
1636 if (__sign_size)
1637 __res += __sign[0];
1638 break;
1639 case money_base::value:
1640 __res += __value;
1641 break;
1642 case money_base::space:
1643 // At least one space is required, but if internal
1644 // formatting is required, an arbitrary number of
1645 // fill spaces will be necessary.
1646 if (__testipad)
1647 __res.append(__width - __len, __fill);
1648 else
1649 __res += __fill;
1650 break;
1651 case money_base::none:
1652 if (__testipad)
1653 __res.append(__width - __len, __fill);
1654 break;
1655 }
1656 }
1658 // Special case of multi-part sign parts.
1659 if (__sign_size > 1)
1660 __res.append(__sign + 1, __sign_size - 1);
1662 // Pad, if still necessary.
1663 __len = __res.size();
1664 if (__width > __len)
1665 {
1666 if (__f == ios_base::left)
1667 // After.
1668 __res.append(__width - __len, __fill);
1669 else
1670 // Before.
1671 __res.insert(0, __width - __len, __fill);
1672 __len = __width;
1673 }
1675 // Write resulting, fully-formatted string to output iterator.
1676 __s = std::__write(__s, __res.data(), __len);
1677 }
1678 __io.width(0);
1679 return __s;
1680 }
1682 template<typename _CharT, typename _OutIter>
1683 _OutIter
1684 money_put<_CharT, _OutIter>::
1685 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1686 long double __units) const
1687 {
1688 const locale __loc = __io.getloc();
1689 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1690 #ifdef _GLIBCXX_USE_C99
1691 // First try a buffer perhaps big enough.
1692 int __cs_size = 64;
1693 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1694 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1695 // 328. Bad sprintf format modifier in money_put<>::do_put()
1696 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1697 _S_get_c_locale(), 0);
1698 // If the buffer was not large enough, try again with the correct size.
1699 if (__len >= __cs_size)
1700 {
1701 __cs_size = __len + 1;
1702 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1703 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1704 _S_get_c_locale(), 0);
1705 }
1706 #else
1707 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1708 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1709 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1710 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1711 _S_get_c_locale(), 0);
1712 #endif
1713 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1714 * __cs_size));
1715 __ctype.widen(__cs, __cs + __len, __ws);
1716 const string_type __digits(__ws, __len);
1717 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1718 : _M_insert<false>(__s, __io, __fill, __digits);
1719 }
1721 template<typename _CharT, typename _OutIter>
1722 _OutIter
1723 money_put<_CharT, _OutIter>::
1724 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1725 const string_type& __digits) const
1726 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1727 : _M_insert<false>(__s, __io, __fill, __digits); }
1730 // NB: Not especially useful. Without an ios_base object or some
1731 // kind of locale reference, we are left clawing at the air where
1732 // the side of the mountain used to be...
1733 template<typename _CharT, typename _InIter>
1734 time_base::dateorder
1735 time_get<_CharT, _InIter>::do_date_order() const
1736 { return time_base::no_order; }
1738 // Expand a strftime format string and parse it. E.g., do_get_date() may
1739 // pass %m/%d/%Y => extracted characters.
1740 template<typename _CharT, typename _InIter>
1741 _InIter
1742 time_get<_CharT, _InIter>::
1743 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1744 ios_base::iostate& __err, tm* __tm,
1745 const _CharT* __format) const
1746 {
1747 const locale& __loc = __io._M_getloc();
1748 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1749 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1750 const size_t __len = char_traits<_CharT>::length(__format);
1752 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1753 {
1754 if (__ctype.narrow(__format[__i], 0) == '%')
1755 {
1756 // Verify valid formatting code, attempt to extract.
1757 char __c = __ctype.narrow(__format[++__i], 0);
1758 int __mem = 0;
1759 if (__c == 'E' || __c == 'O')
1760 __c = __ctype.narrow(__format[++__i], 0);
1761 switch (__c)
1762 {
1763 const char* __cs;
1764 _CharT __wcs[10];
1765 case 'a':
1766 // Abbreviated weekday name [tm_wday]
1767 const char_type* __days1[7];
1768 __tp._M_days_abbreviated(__days1);
1769 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1770 7, __io, __err);
1771 break;
1772 case 'A':
1773 // Weekday name [tm_wday].
1774 const char_type* __days2[7];
1775 __tp._M_days(__days2);
1776 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1777 7, __io, __err);
1778 break;
1779 case 'h':
1780 case 'b':
1781 // Abbreviated month name [tm_mon]
1782 const char_type* __months1[12];
1783 __tp._M_months_abbreviated(__months1);
1784 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1785 __months1, 12, __io, __err);
1786 break;
1787 case 'B':
1788 // Month name [tm_mon].
1789 const char_type* __months2[12];
1790 __tp._M_months(__months2);
1791 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1792 __months2, 12, __io, __err);
1793 break;
1794 case 'c':
1795 // Default time and date representation.
1796 const char_type* __dt[2];
1797 __tp._M_date_time_formats(__dt);
1798 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1799 __tm, __dt[0]);
1800 break;
1801 case 'd':
1802 // Day [01, 31]. [tm_mday]
1803 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1804 __io, __err);
1805 break;
1806 case 'e':
1807 // Day [1, 31], with single digits preceded by
1808 // space. [tm_mday]
1809 if (__ctype.is(ctype_base::space, *__beg))
1810 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1811 1, __io, __err);
1812 else
1813 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1814 2, __io, __err);
1815 break;
1816 case 'D':
1817 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1818 __cs = "%m/%d/%y";
1819 __ctype.widen(__cs, __cs + 9, __wcs);
1820 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1821 __tm, __wcs);
1822 break;
1823 case 'H':
1824 // Hour [00, 23]. [tm_hour]
1825 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1826 __io, __err);
1827 break;
1828 case 'I':
1829 // Hour [01, 12]. [tm_hour]
1830 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1831 __io, __err);
1832 break;
1833 case 'm':
1834 // Month [01, 12]. [tm_mon]
1835 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1836 __io, __err);
1837 if (!__err)
1838 __tm->tm_mon = __mem - 1;
1839 break;
1840 case 'M':
1841 // Minute [00, 59]. [tm_min]
1842 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1843 __io, __err);
1844 break;
1845 case 'n':
1846 if (__ctype.narrow(*__beg, 0) == '\n')
1847 ++__beg;
1848 else
1849 __err |= ios_base::failbit;
1850 break;
1851 case 'R':
1852 // Equivalent to (%H:%M).
1853 __cs = "%H:%M";
1854 __ctype.widen(__cs, __cs + 6, __wcs);
1855 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1856 __tm, __wcs);
1857 break;
1858 case 'S':
1859 // Seconds. [tm_sec]
1860 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1861 #ifdef _GLIBCXX_USE_C99
1862 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1863 #else
1864 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1865 #endif
1866 __io, __err);
1867 break;
1868 case 't':
1869 if (__ctype.narrow(*__beg, 0) == '\t')
1870 ++__beg;
1871 else
1872 __err |= ios_base::failbit;
1873 break;
1874 case 'T':
1875 // Equivalent to (%H:%M:%S).
1876 __cs = "%H:%M:%S";
1877 __ctype.widen(__cs, __cs + 9, __wcs);
1878 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1879 __tm, __wcs);
1880 break;
1881 case 'x':
1882 // Locale's date.
1883 const char_type* __dates[2];
1884 __tp._M_date_formats(__dates);
1885 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1886 __tm, __dates[0]);
1887 break;
1888 case 'X':
1889 // Locale's time.
1890 const char_type* __times[2];
1891 __tp._M_time_formats(__times);
1892 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1893 __tm, __times[0]);
1894 break;
1895 case 'y':
1896 case 'C': // C99
1897 // Two digit year. [tm_year]
1898 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1899 __io, __err);
1900 break;
1901 case 'Y':
1902 // Year [1900). [tm_year]
1903 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1904 __io, __err);
1905 if (!__err)
1906 __tm->tm_year = __mem - 1900;
1907 break;
1908 case 'Z':
1909 // Timezone info.
1910 if (__ctype.is(ctype_base::upper, *__beg))
1911 {
1912 int __tmp;
1913 __beg = _M_extract_name(__beg, __end, __tmp,
1914 __timepunct_cache<_CharT>::_S_timezones,
1915 14, __io, __err);
1917 // GMT requires special effort.
1918 if (__beg != __end && !__err && __tmp == 0
1919 && (*__beg == __ctype.widen('-')
1920 || *__beg == __ctype.widen('+')))
1921 {
1922 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1923 __io, __err);
1924 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1925 __io, __err);
1926 }
1927 }
1928 else
1929 __err |= ios_base::failbit;
1930 break;
1931 default:
1932 // Not recognized.
1933 __err |= ios_base::failbit;
1934 }
1935 }
1936 else
1937 {
1938 // Verify format and input match, extract and discard.
1939 if (__format[__i] == *__beg)
1940 ++__beg;
1941 else
1942 __err |= ios_base::failbit;
1943 }
1944 }
1945 return __beg;
1946 }
1948 template<typename _CharT, typename _InIter>
1949 _InIter
1950 time_get<_CharT, _InIter>::
1951 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1952 int __min, int __max, size_t __len,
1953 ios_base& __io, ios_base::iostate& __err) const
1954 {
1955 const locale& __loc = __io._M_getloc();
1956 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1958 // As-is works for __len = 1, 2, 4, the values actually used.
1959 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1961 ++__min;
1962 size_t __i = 0;
1963 int __value = 0;
1964 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1965 {
1966 const char __c = __ctype.narrow(*__beg, '*');
1967 if (__c >= '0' && __c <= '9')
1968 {
1969 __value = __value * 10 + (__c - '0');
1970 const int __valuec = __value * __mult;
1971 if (__valuec > __max || __valuec + __mult < __min)
1972 break;
1973 __mult /= 10;
1974 }
1975 else
1976 break;
1977 }
1978 if (__i == __len)
1979 __member = __value;
1980 else
1981 __err |= ios_base::failbit;
1982 return __beg;
1983 }
1985 // Assumptions:
1986 // All elements in __names are unique.
1987 template<typename _CharT, typename _InIter>
1988 _InIter
1989 time_get<_CharT, _InIter>::
1990 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
1991 const _CharT** __names, size_t __indexlen,
1992 ios_base& __io, ios_base::iostate& __err) const
1993 {
1994 typedef char_traits<_CharT> __traits_type;
1995 const locale& __loc = __io._M_getloc();
1996 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1998 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
1999 * __indexlen));
2000 size_t __nmatches = 0;
2001 size_t __pos = 0;
2002 bool __testvalid = true;
2003 const char_type* __name;
2005 // Look for initial matches.
2006 // NB: Some of the locale data is in the form of all lowercase
2007 // names, and some is in the form of initially-capitalized
2008 // names. Look for both.
2009 if (__beg != __end)
2010 {
2011 const char_type __c = *__beg;
2012 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2013 if (__c == __names[__i1][0]
2014 || __c == __ctype.toupper(__names[__i1][0]))
2015 __matches[__nmatches++] = __i1;
2016 }
2018 while (__nmatches > 1)
2019 {
2020 // Find smallest matching string.
2021 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2022 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2023 __minlen = std::min(__minlen,
2024 __traits_type::length(__names[__matches[__i2]]));
2025 ++__beg, ++__pos;
2026 if (__pos < __minlen && __beg != __end)
2027 for (size_t __i3 = 0; __i3 < __nmatches;)
2028 {
2029 __name = __names[__matches[__i3]];
2030 if (!(__name[__pos] == *__beg))
2031 __matches[__i3] = __matches[--__nmatches];
2032 else
2033 ++__i3;
2034 }
2035 else
2036 break;
2037 }
2039 if (__nmatches == 1)
2040 {
2041 // Make sure found name is completely extracted.
2042 ++__beg, ++__pos;
2043 __name = __names[__matches[0]];
2044 const size_t __len = __traits_type::length(__name);
2045 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2046 ++__beg, ++__pos;
2048 if (__len == __pos)
2049 __member = __matches[0];
2050 else
2051 __testvalid = false;
2052 }
2053 else
2054 __testvalid = false;
2055 if (!__testvalid)
2056 __err |= ios_base::failbit;
2057 return __beg;
2058 }
2060 template<typename _CharT, typename _InIter>
2061 _InIter
2062 time_get<_CharT, _InIter>::
2063 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2064 ios_base::iostate& __err, tm* __tm) const
2065 {
2066 const locale& __loc = __io._M_getloc();
2067 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2068 const char_type* __times[2];
2069 __tp._M_time_formats(__times);
2070 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2071 __tm, __times[0]);
2072 if (__beg == __end)
2073 __err |= ios_base::eofbit;
2074 return __beg;
2075 }
2077 template<typename _CharT, typename _InIter>
2078 _InIter
2079 time_get<_CharT, _InIter>::
2080 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2081 ios_base::iostate& __err, tm* __tm) const
2082 {
2083 const locale& __loc = __io._M_getloc();
2084 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2085 const char_type* __dates[2];
2086 __tp._M_date_formats(__dates);
2087 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2088 __tm, __dates[0]);
2089 if (__beg == __end)
2090 __err |= ios_base::eofbit;
2091 return __beg;
2092 }
2094 template<typename _CharT, typename _InIter>
2095 _InIter
2096 time_get<_CharT, _InIter>::
2097 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2098 ios_base::iostate& __err, tm* __tm) const
2099 {
2100 typedef char_traits<_CharT> __traits_type;
2101 const locale& __loc = __io._M_getloc();
2102 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2103 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2104 const char_type* __days[7];
2105 __tp._M_days_abbreviated(__days);
2106 int __tmpwday;
2107 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2109 // Check to see if non-abbreviated name exists, and extract.
2110 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2111 // exact same order, first to last, such that the resulting
2112 // __days array with the same index points to a day, and that
2113 // day's abbreviated form.
2114 // NB: Also assumes that an abbreviated name is a subset of the name.
2115 if (!__err && __beg != __end)
2116 {
2117 size_t __pos = __traits_type::length(__days[__tmpwday]);
2118 __tp._M_days(__days);
2119 const char_type* __name = __days[__tmpwday];
2120 if (__name[__pos] == *__beg)
2121 {
2122 // Extract the rest of it.
2123 const size_t __len = __traits_type::length(__name);
2124 while (__pos < __len && __beg != __end
2125 && __name[__pos] == *__beg)
2126 ++__beg, ++__pos;
2127 if (__len != __pos)
2128 __err |= ios_base::failbit;
2129 }
2130 }
2131 if (!__err)
2132 __tm->tm_wday = __tmpwday;
2134 if (__beg == __end)
2135 __err |= ios_base::eofbit;
2136 return __beg;
2137 }
2139 template<typename _CharT, typename _InIter>
2140 _InIter
2141 time_get<_CharT, _InIter>::
2142 do_get_monthname(iter_type __beg, iter_type __end,
2143 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2144 {
2145 typedef char_traits<_CharT> __traits_type;
2146 const locale& __loc = __io._M_getloc();
2147 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2148 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2149 const char_type* __months[12];
2150 __tp._M_months_abbreviated(__months);
2151 int __tmpmon;
2152 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2153 __io, __err);
2155 // Check to see if non-abbreviated name exists, and extract.
2156 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2157 // exact same order, first to last, such that the resulting
2158 // __months array with the same index points to a month, and that
2159 // month's abbreviated form.
2160 // NB: Also assumes that an abbreviated name is a subset of the name.
2161 if (!__err && __beg != __end)
2162 {
2163 size_t __pos = __traits_type::length(__months[__tmpmon]);
2164 __tp._M_months(__months);
2165 const char_type* __name = __months[__tmpmon];
2166 if (__name[__pos] == *__beg)
2167 {
2168 // Extract the rest of it.
2169 const size_t __len = __traits_type::length(__name);
2170 while (__pos < __len && __beg != __end
2171 && __name[__pos] == *__beg)
2172 ++__beg, ++__pos;
2173 if (__len != __pos)
2174 __err |= ios_base::failbit;
2175 }
2176 }
2177 if (!__err)
2178 __tm->tm_mon = __tmpmon;
2180 if (__beg == __end)
2181 __err |= ios_base::eofbit;
2182 return __beg;
2183 }
2185 template<typename _CharT, typename _InIter>
2186 _InIter
2187 time_get<_CharT, _InIter>::
2188 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2189 ios_base::iostate& __err, tm* __tm) const
2190 {
2191 const locale& __loc = __io._M_getloc();
2192 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2194 size_t __i = 0;
2195 int __value = 0;
2196 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2197 {
2198 const char __c = __ctype.narrow(*__beg, '*');
2199 if (__c >= '0' && __c <= '9')
2200 __value = __value * 10 + (__c - '0');
2201 else
2202 break;
2203 }
2204 if (__i == 2 || __i == 4)
2205 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2206 else
2207 __err |= ios_base::failbit;
2208 if (__beg == __end)
2209 __err |= ios_base::eofbit;
2210 return __beg;
2211 }
2213 template<typename _CharT, typename _OutIter>
2214 _OutIter
2215 time_put<_CharT, _OutIter>::
2216 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2217 const _CharT* __beg, const _CharT* __end) const
2218 {
2219 const locale& __loc = __io._M_getloc();
2220 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2221 for (; __beg != __end; ++__beg)
2222 if (__ctype.narrow(*__beg, 0) != '%')
2223 {
2224 *__s = *__beg;
2225 ++__s;
2226 }
2227 else if (++__beg != __end)
2228 {
2229 char __format;
2230 char __mod = 0;
2231 const char __c = __ctype.narrow(*__beg, 0);
2232 if (__c != 'E' && __c != 'O')
2233 __format = __c;
2234 else if (++__beg != __end)
2235 {
2236 __mod = __c;
2237 __format = __ctype.narrow(*__beg, 0);
2238 }
2239 else
2240 break;
2241 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2242 }
2243 else
2244 break;
2245 return __s;
2246 }
2248 template<typename _CharT, typename _OutIter>
2249 _OutIter
2250 time_put<_CharT, _OutIter>::
2251 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2252 char __format, char __mod) const
2253 {
2254 const locale& __loc = __io._M_getloc();
2255 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2256 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2258 // NB: This size is arbitrary. Should this be a data member,
2259 // initialized at construction?
2260 const size_t __maxlen = 128;
2261 char_type* __res =
2262 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2264 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2265 // is possible that the format character will be longer than one
2266 // character. Possibilities include 'E' or 'O' followed by a
2267 // format character: if __mod is not the default argument, assume
2268 // it's a valid modifier.
2269 char_type __fmt[4];
2270 __fmt[0] = __ctype.widen('%');
2271 if (!__mod)
2272 {
2273 __fmt[1] = __format;
2274 __fmt[2] = char_type();
2275 }
2276 else
2277 {
2278 __fmt[1] = __mod;
2279 __fmt[2] = __format;
2280 __fmt[3] = char_type();
2281 }
2283 __tp._M_put(__res, __maxlen, __fmt, __tm);
2285 // Write resulting, fully-formatted string to output iterator.
2286 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2287 }
2289 // Generic version does nothing.
2290 template<typename _CharT>
2291 int
2292 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2293 { return 0; }
2295 // Generic version does nothing.
2296 template<typename _CharT>
2297 size_t
2298 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2299 { return 0; }
2301 template<typename _CharT>
2302 int
2303 collate<_CharT>::
2304 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2305 const _CharT* __lo2, const _CharT* __hi2) const
2306 {
2307 // strcoll assumes zero-terminated strings so we make a copy
2308 // and then put a zero at the end.
2309 const string_type __one(__lo1, __hi1);
2310 const string_type __two(__lo2, __hi2);
2312 const _CharT* __p = __one.c_str();
2313 const _CharT* __pend = __one.data() + __one.length();
2314 const _CharT* __q = __two.c_str();
2315 const _CharT* __qend = __two.data() + __two.length();
2317 // strcoll stops when it sees a nul character so we break
2318 // the strings into zero-terminated substrings and pass those
2319 // to strcoll.
2320 for (;;)
2321 {
2322 const int __res = _M_compare(__p, __q);
2323 if (__res)
2324 return __res;
2326 __p += char_traits<_CharT>::length(__p);
2327 __q += char_traits<_CharT>::length(__q);
2328 if (__p == __pend && __q == __qend)
2329 return 0;
2330 else if (__p == __pend)
2331 return -1;
2332 else if (__q == __qend)
2333 return 1;
2335 __p++;
2336 __q++;
2337 }
2338 }
2340 template<typename _CharT>
2341 typename collate<_CharT>::string_type
2342 collate<_CharT>::
2343 do_transform(const _CharT* __lo, const _CharT* __hi) const
2344 {
2345 // strxfrm assumes zero-terminated strings so we make a copy
2346 string_type __str(__lo, __hi);
2348 const _CharT* __p = __str.c_str();
2349 const _CharT* __pend = __str.data() + __str.length();
2351 size_t __len = (__hi - __lo) * 2;
2353 string_type __ret;
2355 // strxfrm stops when it sees a nul character so we break
2356 // the string into zero-terminated substrings and pass those
2357 // to strxfrm.
2358 for (;;)
2359 {
2360 // First try a buffer perhaps big enough.
2361 _CharT* __c =
2362 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2363 size_t __res = _M_transform(__c, __p, __len);
2364 // If the buffer was not large enough, try again with the
2365 // correct size.
2366 if (__res >= __len)
2367 {
2368 __len = __res + 1;
2369 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2370 * __len));
2371 __res = _M_transform(__c, __p, __len);
2372 }
2374 __ret.append(__c, __res);
2375 __p += char_traits<_CharT>::length(__p);
2376 if (__p == __pend)
2377 return __ret;
2379 __p++;
2380 __ret.push_back(_CharT());
2381 }
2382 }
2384 template<typename _CharT>
2385 long
2386 collate<_CharT>::
2387 do_hash(const _CharT* __lo, const _CharT* __hi) const
2388 {
2389 unsigned long __val = 0;
2390 for (; __lo < __hi; ++__lo)
2391 __val = *__lo + ((__val << 7) |
2392 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2393 return static_cast<long>(__val);
2394 }
2396 // Construct correctly padded string, as per 22.2.2.2.2
2397 // Assumes
2398 // __newlen > __oldlen
2399 // __news is allocated for __newlen size
2400 // Used by both num_put and ostream inserters: if __num,
2401 // internal-adjusted objects are padded according to the rules below
2402 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2403 // ones are.
2405 // NB: Of the two parameters, _CharT can be deduced from the
2406 // function arguments. The other (_Traits) has to be explicitly specified.
2407 template<typename _CharT, typename _Traits>
2408 void
2409 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2410 _CharT* __news, const _CharT* __olds,
2411 const streamsize __newlen,
2412 const streamsize __oldlen, const bool __num)
2413 {
2414 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2415 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2417 // Padding last.
2418 if (__adjust == ios_base::left)
2419 {
2420 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2421 _Traits::assign(__news + __oldlen, __plen, __fill);
2422 return;
2423 }
2425 size_t __mod = 0;
2426 if (__adjust == ios_base::internal && __num)
2427 {
2428 // Pad after the sign, if there is one.
2429 // Pad after 0[xX], if there is one.
2430 // Who came up with these rules, anyway? Jeeze.
2431 const locale& __loc = __io._M_getloc();
2432 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2434 const bool __testsign = (__ctype.widen('-') == __olds[0]
2435 || __ctype.widen('+') == __olds[0]);
2436 const bool __testhex = (__ctype.widen('0') == __olds[0]
2437 && __oldlen > 1
2438 && (__ctype.widen('x') == __olds[1]
2439 || __ctype.widen('X') == __olds[1]));
2440 if (__testhex)
2441 {
2442 __news[0] = __olds[0];
2443 __news[1] = __olds[1];
2444 __mod = 2;
2445 __news += 2;
2446 }
2447 else if (__testsign)
2448 {
2449 __news[0] = __olds[0];
2450 __mod = 1;
2451 ++__news;
2452 }
2453 // else Padding first.
2454 }
2455 _Traits::assign(__news, __plen, __fill);
2456 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2457 __oldlen - __mod);
2458 }
2460 bool
2461 __verify_grouping(const char* __grouping, size_t __grouping_size,
2462 const string& __grouping_tmp)
2463 {
2464 const size_t __n = __grouping_tmp.size() - 1;
2465 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2466 size_t __i = __n;
2467 bool __test = true;
2469 // Parsed number groupings have to match the
2470 // numpunct::grouping string exactly, starting at the
2471 // right-most point of the parsed sequence of elements ...
2472 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2473 __test = __grouping_tmp[__i] == __grouping[__j];
2474 for (; __i && __test; --__i)
2475 __test = __grouping_tmp[__i] == __grouping[__min];
2476 // ... but the first parsed grouping can be <= numpunct
2477 // grouping (only do the check if the numpunct char is > 0
2478 // because <= 0 means any size is ok).
2479 if (static_cast<signed char>(__grouping[__min]) > 0)
2480 __test &= __grouping_tmp[0] <= __grouping[__min];
2481 return __test;
2482 }
2484 template<typename _CharT>
2485 _CharT*
2486 __add_grouping(_CharT* __s, _CharT __sep,
2487 const char* __gbeg, size_t __gsize,
2488 const _CharT* __first, const _CharT* __last)
2489 {
2490 if (__last - __first > *__gbeg
2491 && static_cast<signed char>(*__gbeg) > 0)
2492 {
2493 const bool __bump = __gsize != 1;
2494 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2495 __gsize - __bump, __first,
2496 __last - *__gbeg);
2497 __first = __last - *__gbeg;
2498 *__s++ = __sep;
2499 }
2500 do
2501 *__s++ = *__first++;
2502 while (__first != __last);
2503 return __s;
2504 }
2506 // Inhibit implicit instantiations for required instantiations,
2507 // which are defined via explicit instantiations elsewhere.
2508 // NB: This syntax is a GNU extension.
2509 #if _GLIBCXX_EXTERN_TEMPLATE
2510 extern template class moneypunct<char, false>;
2511 extern template class moneypunct<char, true>;
2512 extern template class moneypunct_byname<char, false>;
2513 extern template class moneypunct_byname<char, true>;
2514 extern template class money_get<char>;
2515 extern template class money_put<char>;
2516 extern template class numpunct<char>;
2517 extern template class numpunct_byname<char>;
2518 extern template class num_get<char>;
2519 extern template class num_put<char>;
2520 extern template class __timepunct<char>;
2521 extern template class time_put<char>;
2522 extern template class time_put_byname<char>;
2523 extern template class time_get<char>;
2524 extern template class time_get_byname<char>;
2525 extern template class messages<char>;
2526 extern template class messages_byname<char>;
2527 extern template class ctype_byname<char>;
2528 extern template class codecvt_byname<char, char, mbstate_t>;
2529 extern template class collate<char>;
2530 extern template class collate_byname<char>;
2532 extern template
2533 const codecvt<char, char, mbstate_t>&
2534 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2536 extern template
2537 const collate<char>&
2538 use_facet<collate<char> >(const locale&);
2540 extern template
2541 const numpunct<char>&
2542 use_facet<numpunct<char> >(const locale&);
2544 extern template
2545 const num_put<char>&
2546 use_facet<num_put<char> >(const locale&);
2548 extern template
2549 const num_get<char>&
2550 use_facet<num_get<char> >(const locale&);
2552 extern template
2553 const moneypunct<char, true>&
2554 use_facet<moneypunct<char, true> >(const locale&);
2556 extern template
2557 const moneypunct<char, false>&
2558 use_facet<moneypunct<char, false> >(const locale&);
2560 extern template
2561 const money_put<char>&
2562 use_facet<money_put<char> >(const locale&);
2564 extern template
2565 const money_get<char>&
2566 use_facet<money_get<char> >(const locale&);
2568 extern template
2569 const __timepunct<char>&
2570 use_facet<__timepunct<char> >(const locale&);
2572 extern template
2573 const time_put<char>&
2574 use_facet<time_put<char> >(const locale&);
2576 extern template
2577 const time_get<char>&
2578 use_facet<time_get<char> >(const locale&);
2580 extern template
2581 const messages<char>&
2582 use_facet<messages<char> >(const locale&);
2584 extern template
2585 bool
2586 has_facet<ctype<char> >(const locale&);
2588 extern template
2589 bool
2590 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2592 extern template
2593 bool
2594 has_facet<collate<char> >(const locale&);
2596 extern template
2597 bool
2598 has_facet<numpunct<char> >(const locale&);
2600 extern template
2601 bool
2602 has_facet<num_put<char> >(const locale&);
2604 extern template
2605 bool
2606 has_facet<num_get<char> >(const locale&);
2608 extern template
2609 bool
2610 has_facet<moneypunct<char> >(const locale&);
2612 extern template
2613 bool
2614 has_facet<money_put<char> >(const locale&);
2616 extern template
2617 bool
2618 has_facet<money_get<char> >(const locale&);
2620 extern template
2621 bool
2622 has_facet<__timepunct<char> >(const locale&);
2624 extern template
2625 bool
2626 has_facet<time_put<char> >(const locale&);
2628 extern template
2629 bool
2630 has_facet<time_get<char> >(const locale&);
2632 extern template
2633 bool
2634 has_facet<messages<char> >(const locale&);
2636 #ifdef _GLIBCXX_USE_WCHAR_T
2637 extern template class moneypunct<wchar_t, false>;
2638 extern template class moneypunct<wchar_t, true>;
2639 extern template class moneypunct_byname<wchar_t, false>;
2640 extern template class moneypunct_byname<wchar_t, true>;
2641 extern template class money_get<wchar_t>;
2642 extern template class money_put<wchar_t>;
2643 extern template class numpunct<wchar_t>;
2644 extern template class numpunct_byname<wchar_t>;
2645 extern template class num_get<wchar_t>;
2646 extern template class num_put<wchar_t>;
2647 extern template class __timepunct<wchar_t>;
2648 extern template class time_put<wchar_t>;
2649 extern template class time_put_byname<wchar_t>;
2650 extern template class time_get<wchar_t>;
2651 extern template class time_get_byname<wchar_t>;
2652 extern template class messages<wchar_t>;
2653 extern template class messages_byname<wchar_t>;
2654 extern template class ctype_byname<wchar_t>;
2655 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2656 extern template class collate<wchar_t>;
2657 extern template class collate_byname<wchar_t>;
2659 extern template
2660 const codecvt<wchar_t, char, mbstate_t>&
2661 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2663 extern template
2664 const collate<wchar_t>&
2665 use_facet<collate<wchar_t> >(const locale&);
2667 extern template
2668 const numpunct<wchar_t>&
2669 use_facet<numpunct<wchar_t> >(const locale&);
2671 extern template
2672 const num_put<wchar_t>&
2673 use_facet<num_put<wchar_t> >(const locale&);
2675 extern template
2676 const num_get<wchar_t>&
2677 use_facet<num_get<wchar_t> >(const locale&);
2679 extern template
2680 const moneypunct<wchar_t, true>&
2681 use_facet<moneypunct<wchar_t, true> >(const locale&);
2683 extern template
2684 const moneypunct<wchar_t, false>&
2685 use_facet<moneypunct<wchar_t, false> >(const locale&);
2687 extern template
2688 const money_put<wchar_t>&
2689 use_facet<money_put<wchar_t> >(const locale&);
2691 extern template
2692 const money_get<wchar_t>&
2693 use_facet<money_get<wchar_t> >(const locale&);
2695 extern template
2696 const __timepunct<wchar_t>&
2697 use_facet<__timepunct<wchar_t> >(const locale&);
2699 extern template
2700 const time_put<wchar_t>&
2701 use_facet<time_put<wchar_t> >(const locale&);
2703 extern template
2704 const time_get<wchar_t>&
2705 use_facet<time_get<wchar_t> >(const locale&);
2707 extern template
2708 const messages<wchar_t>&
2709 use_facet<messages<wchar_t> >(const locale&);
2711 extern template
2712 bool
2713 has_facet<ctype<wchar_t> >(const locale&);
2715 extern template
2716 bool
2717 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2719 extern template
2720 bool
2721 has_facet<collate<wchar_t> >(const locale&);
2723 extern template
2724 bool
2725 has_facet<numpunct<wchar_t> >(const locale&);
2727 extern template
2728 bool
2729 has_facet<num_put<wchar_t> >(const locale&);
2731 extern template
2732 bool
2733 has_facet<num_get<wchar_t> >(const locale&);
2735 extern template
2736 bool
2737 has_facet<moneypunct<wchar_t> >(const locale&);
2739 extern template
2740 bool
2741 has_facet<money_put<wchar_t> >(const locale&);
2743 extern template
2744 bool
2745 has_facet<money_get<wchar_t> >(const locale&);
2747 extern template
2748 bool
2749 has_facet<__timepunct<wchar_t> >(const locale&);
2751 extern template
2752 bool
2753 has_facet<time_put<wchar_t> >(const locale&);
2755 extern template
2756 bool
2757 has_facet<time_get<wchar_t> >(const locale&);
2759 extern template
2760 bool
2761 has_facet<messages<wchar_t> >(const locale&);
2762 #endif
2763 #endif
2764 } // namespace std
2766 #endif