| blob | 5ba955c289eb32c38226c9abdef041ab6f828dec |
1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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 _GLIBCXX_BEGIN_NAMESPACE(std)
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 _GLIBCXX_BEGIN_LDBL_NAMESPACE
277 template<typename _CharT, typename _InIter>
278 _InIter
279 num_get<_CharT, _InIter>::
280 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
281 ios_base::iostate& __err, string& __xtrc) const
282 {
283 typedef char_traits<_CharT> __traits_type;
284 typedef __numpunct_cache<_CharT> __cache_type;
285 __use_cache<__cache_type> __uc;
286 const locale& __loc = __io._M_getloc();
287 const __cache_type* __lc = __uc(__loc);
288 const _CharT* __lit = __lc->_M_atoms_in;
289 char_type __c = char_type();
291 // True if __beg becomes equal to __end.
292 bool __testeof = __beg == __end;
294 // First check for sign.
295 if (!__testeof)
296 {
297 __c = *__beg;
298 const bool __plus = __c == __lit[__num_base::_S_iplus];
299 if ((__plus || __c == __lit[__num_base::_S_iminus])
300 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
301 && !(__c == __lc->_M_decimal_point))
302 {
303 __xtrc += __plus ? '+' : '-';
304 if (++__beg != __end)
305 __c = *__beg;
306 else
307 __testeof = true;
308 }
309 }
311 // Next, look for leading zeros.
312 bool __found_mantissa = false;
313 int __sep_pos = 0;
314 while (!__testeof)
315 {
316 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
317 || __c == __lc->_M_decimal_point)
318 break;
319 else if (__c == __lit[__num_base::_S_izero])
320 {
321 if (!__found_mantissa)
322 {
323 __xtrc += '0';
324 __found_mantissa = true;
325 }
326 ++__sep_pos;
328 if (++__beg != __end)
329 __c = *__beg;
330 else
331 __testeof = true;
332 }
333 else
334 break;
335 }
337 // Only need acceptable digits for floating point numbers.
338 bool __found_dec = false;
339 bool __found_sci = false;
340 string __found_grouping;
341 if (__lc->_M_use_grouping)
342 __found_grouping.reserve(32);
343 const char_type* __q;
344 const char_type* __lit_zero = __lit + __num_base::_S_izero;
345 while (!__testeof)
346 {
347 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
348 // and decimal_point.
349 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
350 {
351 if (!__found_dec && !__found_sci)
352 {
353 // NB: Thousands separator at the beginning of a string
354 // is a no-no, as is two consecutive thousands separators.
355 if (__sep_pos)
356 {
357 __found_grouping += static_cast<char>(__sep_pos);
358 __sep_pos = 0;
359 }
360 else
361 {
362 // NB: __convert_to_v will not assign __v and will
363 // set the failbit.
364 __xtrc.clear();
365 break;
366 }
367 }
368 else
369 break;
370 }
371 else if (__c == __lc->_M_decimal_point)
372 {
373 if (!__found_dec && !__found_sci)
374 {
375 // If no grouping chars are seen, no grouping check
376 // is applied. Therefore __found_grouping is adjusted
377 // only if decimal_point comes after some thousands_sep.
378 if (__found_grouping.size())
379 __found_grouping += static_cast<char>(__sep_pos);
380 __xtrc += '.';
381 __found_dec = true;
382 }
383 else
384 break;
385 }
386 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
387 {
388 __xtrc += __num_base::_S_atoms_in[__q - __lit];
389 __found_mantissa = true;
390 ++__sep_pos;
391 }
392 else if ((__c == __lit[__num_base::_S_ie]
393 || __c == __lit[__num_base::_S_iE])
394 && !__found_sci && __found_mantissa)
395 {
396 // Scientific notation.
397 if (__found_grouping.size() && !__found_dec)
398 __found_grouping += static_cast<char>(__sep_pos);
399 __xtrc += 'e';
400 __found_sci = true;
402 // Remove optional plus or minus sign, if they exist.
403 if (++__beg != __end)
404 {
405 __c = *__beg;
406 const bool __plus = __c == __lit[__num_base::_S_iplus];
407 if ((__plus || __c == __lit[__num_base::_S_iminus])
408 && !(__lc->_M_use_grouping
409 && __c == __lc->_M_thousands_sep)
410 && !(__c == __lc->_M_decimal_point))
411 __xtrc += __plus ? '+' : '-';
412 else
413 continue;
414 }
415 else
416 {
417 __testeof = true;
418 break;
419 }
420 }
421 else
422 // Not a valid input item.
423 break;
425 if (++__beg != __end)
426 __c = *__beg;
427 else
428 __testeof = true;
429 }
431 // Digit grouping is checked. If grouping and found_grouping don't
432 // match, then get very very upset, and set failbit.
433 if (__found_grouping.size())
434 {
435 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
436 if (!__found_dec && !__found_sci)
437 __found_grouping += static_cast<char>(__sep_pos);
439 if (!std::__verify_grouping(__lc->_M_grouping,
440 __lc->_M_grouping_size,
441 __found_grouping))
442 __err |= ios_base::failbit;
443 }
445 // Finish up.
446 if (__testeof)
447 __err |= ios_base::eofbit;
448 return __beg;
449 }
451 _GLIBCXX_END_LDBL_NAMESPACE
453 template<typename _ValueT>
454 struct __to_unsigned_type
455 { typedef _ValueT __type; };
457 template<>
458 struct __to_unsigned_type<long>
459 { typedef unsigned long __type; };
461 #ifdef _GLIBCXX_USE_LONG_LONG
462 template<>
463 struct __to_unsigned_type<long long>
464 { typedef unsigned long long __type; };
465 #endif
467 _GLIBCXX_BEGIN_LDBL_NAMESPACE
469 template<typename _CharT, typename _InIter>
470 template<typename _ValueT>
471 _InIter
472 num_get<_CharT, _InIter>::
473 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
474 ios_base::iostate& __err, _ValueT& __v) const
475 {
476 typedef char_traits<_CharT> __traits_type;
477 typedef typename __to_unsigned_type<_ValueT>::__type __unsigned_type;
478 typedef __numpunct_cache<_CharT> __cache_type;
479 __use_cache<__cache_type> __uc;
480 const locale& __loc = __io._M_getloc();
481 const __cache_type* __lc = __uc(__loc);
482 const _CharT* __lit = __lc->_M_atoms_in;
483 char_type __c = char_type();
485 // NB: Iff __basefield == 0, __base can change based on contents.
486 const ios_base::fmtflags __basefield = __io.flags()
487 & ios_base::basefield;
488 const bool __oct = __basefield == ios_base::oct;
489 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
491 // True if __beg becomes equal to __end.
492 bool __testeof = __beg == __end;
494 // First check for sign.
495 bool __negative = false;
496 if (!__testeof)
497 {
498 __c = *__beg;
499 if (numeric_limits<_ValueT>::is_signed)
500 __negative = __c == __lit[__num_base::_S_iminus];
501 if ((__negative || __c == __lit[__num_base::_S_iplus])
502 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
503 && !(__c == __lc->_M_decimal_point))
504 {
505 if (++__beg != __end)
506 __c = *__beg;
507 else
508 __testeof = true;
509 }
510 }
512 // Next, look for leading zeros and check required digits
513 // for base formats.
514 bool __found_zero = false;
515 int __sep_pos = 0;
516 while (!__testeof)
517 {
518 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
519 || __c == __lc->_M_decimal_point)
520 break;
521 else if (__c == __lit[__num_base::_S_izero]
522 && (!__found_zero || __base == 10))
523 {
524 __found_zero = true;
525 ++__sep_pos;
526 if (__basefield == 0)
527 __base = 8;
528 if (__base == 8)
529 __sep_pos = 0;
530 }
531 else if (__found_zero
532 && (__c == __lit[__num_base::_S_ix]
533 || __c == __lit[__num_base::_S_iX]))
534 {
535 if (__basefield == 0)
536 __base = 16;
537 if (__base == 16)
538 {
539 __found_zero = false;
540 __sep_pos = 0;
541 }
542 else
543 break;
544 }
545 else
546 break;
548 if (++__beg != __end)
549 {
550 __c = *__beg;
551 if (!__found_zero)
552 break;
553 }
554 else
555 __testeof = true;
556 }
558 // At this point, base is determined. If not hex, only allow
559 // base digits as valid input.
560 const size_t __len = (__base == 16 ? __num_base::_S_iend
561 - __num_base::_S_izero : __base);
563 // Extract.
564 string __found_grouping;
565 if (__lc->_M_use_grouping)
566 __found_grouping.reserve(32);
567 bool __testfail = false;
568 const __unsigned_type __max = __negative ?
569 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
570 const __unsigned_type __smax = __max / __base;
571 __unsigned_type __result = 0;
572 const char_type* __q;
573 const char_type* __lit_zero = __lit + __num_base::_S_izero;
574 while (!__testeof)
575 {
576 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
577 // and decimal_point.
578 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
579 {
580 // NB: Thousands separator at the beginning of a string
581 // is a no-no, as is two consecutive thousands separators.
582 if (__sep_pos)
583 {
584 __found_grouping += static_cast<char>(__sep_pos);
585 __sep_pos = 0;
586 }
587 else
588 {
589 __testfail = true;
590 break;
591 }
592 }
593 else if (__c == __lc->_M_decimal_point)
594 break;
595 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
596 {
597 int __digit = __q - __lit_zero;
598 if (__digit > 15)
599 __digit -= 6;
600 if (__result > __smax)
601 __testfail = true;
602 else
603 {
604 __result *= __base;
605 __testfail |= __result > __max - __digit;
606 __result += __digit;
607 ++__sep_pos;
608 }
609 }
610 else
611 // Not a valid input item.
612 break;
614 if (++__beg != __end)
615 __c = *__beg;
616 else
617 __testeof = true;
618 }
620 // Digit grouping is checked. If grouping and found_grouping don't
621 // match, then get very very upset, and set failbit.
622 if (__found_grouping.size())
623 {
624 // Add the ending grouping.
625 __found_grouping += static_cast<char>(__sep_pos);
627 if (!std::__verify_grouping(__lc->_M_grouping,
628 __lc->_M_grouping_size,
629 __found_grouping))
630 __err |= ios_base::failbit;
631 }
633 if (!__testfail && (__sep_pos || __found_zero
634 || __found_grouping.size()))
635 __v = __negative ? -__result : __result;
636 else
637 __err |= ios_base::failbit;
639 if (__testeof)
640 __err |= ios_base::eofbit;
641 return __beg;
642 }
644 // _GLIBCXX_RESOLVE_LIB_DEFECTS
645 // 17. Bad bool parsing
646 template<typename _CharT, typename _InIter>
647 _InIter
648 num_get<_CharT, _InIter>::
649 do_get(iter_type __beg, iter_type __end, ios_base& __io,
650 ios_base::iostate& __err, bool& __v) const
651 {
652 if (!(__io.flags() & ios_base::boolalpha))
653 {
654 // Parse bool values as long.
655 // NB: We can't just call do_get(long) here, as it might
656 // refer to a derived class.
657 long __l = -1;
658 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
659 if (__l == 0 || __l == 1)
660 __v = __l;
661 else
662 __err |= ios_base::failbit;
663 }
664 else
665 {
666 // Parse bool values as alphanumeric.
667 typedef __numpunct_cache<_CharT> __cache_type;
668 __use_cache<__cache_type> __uc;
669 const locale& __loc = __io._M_getloc();
670 const __cache_type* __lc = __uc(__loc);
672 bool __testf = true;
673 bool __testt = true;
674 size_t __n;
675 bool __testeof = __beg == __end;
676 for (__n = 0; !__testeof; ++__n)
677 {
678 const char_type __c = *__beg;
680 if (__testf)
681 if (__n < __lc->_M_falsename_size)
682 __testf = __c == __lc->_M_falsename[__n];
683 else
684 break;
686 if (__testt)
687 if (__n < __lc->_M_truename_size)
688 __testt = __c == __lc->_M_truename[__n];
689 else
690 break;
692 if (!__testf && !__testt)
693 break;
695 if (++__beg == __end)
696 __testeof = true;
697 }
698 if (__testf && __n == __lc->_M_falsename_size)
699 __v = 0;
700 else if (__testt && __n == __lc->_M_truename_size)
701 __v = 1;
702 else
703 __err |= ios_base::failbit;
705 if (__testeof)
706 __err |= ios_base::eofbit;
707 }
708 return __beg;
709 }
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, long& __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 short& __v) const
723 { return _M_extract_int(__beg, __end, __io, __err, __v); }
725 template<typename _CharT, typename _InIter>
726 _InIter
727 num_get<_CharT, _InIter>::
728 do_get(iter_type __beg, iter_type __end, ios_base& __io,
729 ios_base::iostate& __err, unsigned int& __v) const
730 { return _M_extract_int(__beg, __end, __io, __err, __v); }
732 template<typename _CharT, typename _InIter>
733 _InIter
734 num_get<_CharT, _InIter>::
735 do_get(iter_type __beg, iter_type __end, ios_base& __io,
736 ios_base::iostate& __err, unsigned long& __v) const
737 { return _M_extract_int(__beg, __end, __io, __err, __v); }
739 #ifdef _GLIBCXX_USE_LONG_LONG
740 template<typename _CharT, typename _InIter>
741 _InIter
742 num_get<_CharT, _InIter>::
743 do_get(iter_type __beg, iter_type __end, ios_base& __io,
744 ios_base::iostate& __err, long long& __v) const
745 { return _M_extract_int(__beg, __end, __io, __err, __v); }
747 template<typename _CharT, typename _InIter>
748 _InIter
749 num_get<_CharT, _InIter>::
750 do_get(iter_type __beg, iter_type __end, ios_base& __io,
751 ios_base::iostate& __err, unsigned long long& __v) const
752 { return _M_extract_int(__beg, __end, __io, __err, __v); }
753 #endif
755 template<typename _CharT, typename _InIter>
756 _InIter
757 num_get<_CharT, _InIter>::
758 do_get(iter_type __beg, iter_type __end, ios_base& __io,
759 ios_base::iostate& __err, float& __v) const
760 {
761 string __xtrc;
762 __xtrc.reserve(32);
763 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
764 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
765 return __beg;
766 }
768 template<typename _CharT, typename _InIter>
769 _InIter
770 num_get<_CharT, _InIter>::
771 do_get(iter_type __beg, iter_type __end, ios_base& __io,
772 ios_base::iostate& __err, double& __v) const
773 {
774 string __xtrc;
775 __xtrc.reserve(32);
776 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
777 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
778 return __beg;
779 }
781 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
782 template<typename _CharT, typename _InIter>
783 _InIter
784 num_get<_CharT, _InIter>::
785 __do_get(iter_type __beg, iter_type __end, ios_base& __io,
786 ios_base::iostate& __err, double& __v) const
787 {
788 string __xtrc;
789 __xtrc.reserve(32);
790 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
791 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
792 return __beg;
793 }
794 #endif
796 template<typename _CharT, typename _InIter>
797 _InIter
798 num_get<_CharT, _InIter>::
799 do_get(iter_type __beg, iter_type __end, ios_base& __io,
800 ios_base::iostate& __err, long double& __v) const
801 {
802 string __xtrc;
803 __xtrc.reserve(32);
804 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
805 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
806 return __beg;
807 }
809 template<typename _CharT, typename _InIter>
810 _InIter
811 num_get<_CharT, _InIter>::
812 do_get(iter_type __beg, iter_type __end, ios_base& __io,
813 ios_base::iostate& __err, void*& __v) const
814 {
815 // Prepare for hex formatted input.
816 typedef ios_base::fmtflags fmtflags;
817 const fmtflags __fmt = __io.flags();
818 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
820 unsigned long __ul;
821 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
823 // Reset from hex formatted input.
824 __io.flags(__fmt);
826 if (!(__err & ios_base::failbit))
827 __v = reinterpret_cast<void*>(__ul);
828 return __beg;
829 }
831 // For use by integer and floating-point types after they have been
832 // converted into a char_type string.
833 template<typename _CharT, typename _OutIter>
834 void
835 num_put<_CharT, _OutIter>::
836 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
837 _CharT* __new, const _CharT* __cs, int& __len) const
838 {
839 // [22.2.2.2.2] Stage 3.
840 // If necessary, pad.
841 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
842 __w, __len, true);
843 __len = static_cast<int>(__w);
844 }
846 _GLIBCXX_END_LDBL_NAMESPACE
848 // Forwarding functions to peel signed from unsigned integer types and
849 // either cast or compute the absolute value for the former, depending
850 // on __basefield.
851 template<typename _CharT>
852 inline int
853 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
854 ios_base::fmtflags __flags)
855 {
856 unsigned long __ul = __v;
857 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
858 if (__builtin_expect(__basefield != ios_base::oct
859 && __basefield != ios_base::hex, true))
860 __ul = __v < 0 ? -__v : __ul;
861 return __int_to_char(__bufend, __ul, __lit, __flags, false);
862 }
864 template<typename _CharT>
865 inline int
866 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
867 ios_base::fmtflags __flags)
868 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
870 #ifdef _GLIBCXX_USE_LONG_LONG
871 template<typename _CharT>
872 inline int
873 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
874 ios_base::fmtflags __flags)
875 {
876 unsigned long long __ull = __v;
877 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
878 if (__builtin_expect(__basefield != ios_base::oct
879 && __basefield != ios_base::hex, true))
880 __ull = __v < 0 ? -__v : __ull;
881 return __int_to_char(__bufend, __ull, __lit, __flags, false);
882 }
884 template<typename _CharT>
885 inline int
886 __int_to_char(_CharT* __bufend, unsigned long long __v,
887 const _CharT* __lit, ios_base::fmtflags __flags)
888 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
889 #endif
891 // N.B. The last argument is currently unused (see libstdc++/20914).
892 template<typename _CharT, typename _ValueT>
893 int
894 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
895 ios_base::fmtflags __flags, bool)
896 {
897 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
898 _CharT* __buf = __bufend;
900 if (__builtin_expect(__basefield != ios_base::oct
901 && __basefield != ios_base::hex, true))
902 {
903 // Decimal.
904 do
905 {
906 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
907 __v /= 10;
908 }
909 while (__v != 0);
910 }
911 else if (__basefield == ios_base::oct)
912 {
913 // Octal.
914 do
915 {
916 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
917 __v >>= 3;
918 }
919 while (__v != 0);
920 }
921 else
922 {
923 // Hex.
924 const bool __uppercase = __flags & ios_base::uppercase;
925 const int __case_offset = __uppercase ? __num_base::_S_oudigits
926 : __num_base::_S_odigits;
927 do
928 {
929 *--__buf = __lit[(__v & 0xf) + __case_offset];
930 __v >>= 4;
931 }
932 while (__v != 0);
933 }
934 return __bufend - __buf;
935 }
937 _GLIBCXX_BEGIN_LDBL_NAMESPACE
939 template<typename _CharT, typename _OutIter>
940 void
941 num_put<_CharT, _OutIter>::
942 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
943 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
944 {
945 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
946 __grouping_size, __cs, __cs + __len);
947 __len = __p - __new;
948 }
950 template<typename _CharT, typename _OutIter>
951 template<typename _ValueT>
952 _OutIter
953 num_put<_CharT, _OutIter>::
954 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
955 _ValueT __v) const
956 {
957 typedef __numpunct_cache<_CharT> __cache_type;
958 __use_cache<__cache_type> __uc;
959 const locale& __loc = __io._M_getloc();
960 const __cache_type* __lc = __uc(__loc);
961 const _CharT* __lit = __lc->_M_atoms_out;
962 const ios_base::fmtflags __flags = __io.flags();
964 // Long enough to hold hex, dec, and octal representations.
965 const int __ilen = 5 * sizeof(_ValueT);
966 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
967 * __ilen));
969 // [22.2.2.2.2] Stage 1, numeric conversion to character.
970 // Result is returned right-justified in the buffer.
971 int __len = __int_to_char(__cs + __ilen, __v, __lit, __flags);
972 __cs += __ilen - __len;
974 // Add grouping, if necessary.
975 if (__lc->_M_use_grouping)
976 {
977 // Grouping can add (almost) as many separators as the number
978 // of digits + space is reserved for numeric base or sign.
979 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
980 * (__len + 1)
981 * 2));
982 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
983 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
984 __cs = __cs2 + 2;
985 }
987 // Complete Stage 1, prepend numeric base or sign.
988 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
989 if (__builtin_expect(__basefield != ios_base::oct
990 && __basefield != ios_base::hex, true))
991 {
992 // Decimal.
993 if (__v > 0)
994 {
995 if (__flags & ios_base::showpos
996 && numeric_limits<_ValueT>::is_signed)
997 *--__cs = __lit[__num_base::_S_oplus], ++__len;
998 }
999 else if (__v)
1000 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1001 }
1002 else if (__flags & ios_base::showbase && __v)
1003 {
1004 if (__basefield == ios_base::oct)
1005 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1006 else
1007 {
1008 // 'x' or 'X'
1009 const bool __uppercase = __flags & ios_base::uppercase;
1010 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1011 // '0'
1012 *--__cs = __lit[__num_base::_S_odigits];
1013 __len += 2;
1014 }
1015 }
1017 // Pad.
1018 const streamsize __w = __io.width();
1019 if (__w > static_cast<streamsize>(__len))
1020 {
1021 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1022 * __w));
1023 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1024 __cs = __cs3;
1025 }
1026 __io.width(0);
1028 // [22.2.2.2.2] Stage 4.
1029 // Write resulting, fully-formatted string to output iterator.
1030 return std::__write(__s, __cs, __len);
1031 }
1033 template<typename _CharT, typename _OutIter>
1034 void
1035 num_put<_CharT, _OutIter>::
1036 _M_group_float(const char* __grouping, size_t __grouping_size,
1037 _CharT __sep, const _CharT* __p, _CharT* __new,
1038 _CharT* __cs, int& __len) const
1039 {
1040 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1041 // 282. What types does numpunct grouping refer to?
1042 // Add grouping, if necessary.
1043 const int __declen = __p ? __p - __cs : __len;
1044 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1045 __grouping_size,
1046 __cs, __cs + __declen);
1048 // Tack on decimal part.
1049 int __newlen = __p2 - __new;
1050 if (__p)
1051 {
1052 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1053 __newlen += __len - __declen;
1054 }
1055 __len = __newlen;
1056 }
1058 // The following code uses snprintf (or sprintf(), when
1059 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1060 // for insertion into a stream. An optimization would be to replace
1061 // them with code that works directly on a wide buffer and then use
1062 // __pad to do the padding. It would be good to replace them anyway
1063 // to gain back the efficiency that C++ provides by knowing up front
1064 // the type of the values to insert. Also, sprintf is dangerous
1065 // since may lead to accidental buffer overruns. This
1066 // implementation follows the C++ standard fairly directly as
1067 // outlined in 22.2.2.2 [lib.locale.num.put]
1068 template<typename _CharT, typename _OutIter>
1069 template<typename _ValueT>
1070 _OutIter
1071 num_put<_CharT, _OutIter>::
1072 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1073 _ValueT __v) const
1074 {
1075 typedef __numpunct_cache<_CharT> __cache_type;
1076 __use_cache<__cache_type> __uc;
1077 const locale& __loc = __io._M_getloc();
1078 const __cache_type* __lc = __uc(__loc);
1080 // Use default precision if out of range.
1081 streamsize __prec = __io.precision();
1082 if (__prec < static_cast<streamsize>(0))
1083 __prec = static_cast<streamsize>(6);
1085 const int __max_digits = numeric_limits<_ValueT>::digits10;
1087 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1088 int __len;
1089 // Long enough for the max format spec.
1090 char __fbuf[16];
1092 #ifdef _GLIBCXX_USE_C99
1093 // First try a buffer perhaps big enough (most probably sufficient
1094 // for non-ios_base::fixed outputs)
1095 int __cs_size = __max_digits * 3;
1096 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1098 __num_base::_S_format_float(__io, __fbuf, __mod);
1099 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1100 _S_get_c_locale(), __prec);
1102 // If the buffer was not large enough, try again with the correct size.
1103 if (__len >= __cs_size)
1104 {
1105 __cs_size = __len + 1;
1106 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1107 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1108 _S_get_c_locale(), __prec);
1109 }
1110 #else
1111 // Consider the possibility of long ios_base::fixed outputs
1112 const bool __fixed = __io.flags() & ios_base::fixed;
1113 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1115 // The size of the output string is computed as follows.
1116 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1117 // for the integer part + __prec chars for the fractional part
1118 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1119 // for non-fixed outputs __max_digits * 2 + __prec chars are
1120 // largely sufficient.
1121 const int __cs_size = __fixed ? __max_exp + __prec + 4
1122 : __max_digits * 2 + __prec;
1123 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1125 __num_base::_S_format_float(__io, __fbuf, __mod);
1126 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1127 _S_get_c_locale(), __prec);
1128 #endif
1130 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1131 // numpunct.decimal_point() values for '.' and adding grouping.
1132 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1134 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1135 * __len));
1136 __ctype.widen(__cs, __cs + __len, __ws);
1138 // Replace decimal point.
1139 const _CharT __cdec = __ctype.widen('.');
1140 const _CharT __dec = __lc->_M_decimal_point;
1141 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1142 if (__p)
1143 __ws[__p - __ws] = __dec;
1145 // Add grouping, if necessary.
1146 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1147 // point, scientific notation.
1148 if (__lc->_M_use_grouping
1149 && (__p || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1150 && __cs[1] >= '0' && __cs[2] >= '0')))
1151 {
1152 // Grouping can add (almost) as many separators as the
1153 // number of digits, but no more.
1154 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1155 * __len * 2));
1157 streamsize __off = 0;
1158 if (__cs[0] == '-' || __cs[0] == '+')
1159 {
1160 __off = 1;
1161 __ws2[0] = __ws[0];
1162 __len -= 1;
1163 }
1165 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1166 __lc->_M_thousands_sep, __p, __ws2 + __off,
1167 __ws + __off, __len);
1168 __len += __off;
1170 __ws = __ws2;
1171 }
1173 // Pad.
1174 const streamsize __w = __io.width();
1175 if (__w > static_cast<streamsize>(__len))
1176 {
1177 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1178 * __w));
1179 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1180 __ws = __ws3;
1181 }
1182 __io.width(0);
1184 // [22.2.2.2.2] Stage 4.
1185 // Write resulting, fully-formatted string to output iterator.
1186 return std::__write(__s, __ws, __len);
1187 }
1189 template<typename _CharT, typename _OutIter>
1190 _OutIter
1191 num_put<_CharT, _OutIter>::
1192 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1193 {
1194 const ios_base::fmtflags __flags = __io.flags();
1195 if ((__flags & ios_base::boolalpha) == 0)
1196 {
1197 const long __l = __v;
1198 __s = _M_insert_int(__s, __io, __fill, __l);
1199 }
1200 else
1201 {
1202 typedef __numpunct_cache<_CharT> __cache_type;
1203 __use_cache<__cache_type> __uc;
1204 const locale& __loc = __io._M_getloc();
1205 const __cache_type* __lc = __uc(__loc);
1207 const _CharT* __name = __v ? __lc->_M_truename
1208 : __lc->_M_falsename;
1209 int __len = __v ? __lc->_M_truename_size
1210 : __lc->_M_falsename_size;
1212 const streamsize __w = __io.width();
1213 if (__w > static_cast<streamsize>(__len))
1214 {
1215 _CharT* __cs
1216 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1217 * __w));
1218 _M_pad(__fill, __w, __io, __cs, __name, __len);
1219 __name = __cs;
1220 }
1221 __io.width(0);
1222 __s = std::__write(__s, __name, __len);
1223 }
1224 return __s;
1225 }
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, long __v) const
1231 { return _M_insert_int(__s, __io, __fill, __v); }
1233 template<typename _CharT, typename _OutIter>
1234 _OutIter
1235 num_put<_CharT, _OutIter>::
1236 do_put(iter_type __s, ios_base& __io, char_type __fill,
1237 unsigned long __v) const
1238 { return _M_insert_int(__s, __io, __fill, __v); }
1240 #ifdef _GLIBCXX_USE_LONG_LONG
1241 template<typename _CharT, typename _OutIter>
1242 _OutIter
1243 num_put<_CharT, _OutIter>::
1244 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1245 { return _M_insert_int(__s, __io, __fill, __v); }
1247 template<typename _CharT, typename _OutIter>
1248 _OutIter
1249 num_put<_CharT, _OutIter>::
1250 do_put(iter_type __s, ios_base& __io, char_type __fill,
1251 unsigned long long __v) const
1252 { return _M_insert_int(__s, __io, __fill, __v); }
1253 #endif
1255 template<typename _CharT, typename _OutIter>
1256 _OutIter
1257 num_put<_CharT, _OutIter>::
1258 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1259 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1261 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1262 template<typename _CharT, typename _OutIter>
1263 _OutIter
1264 num_put<_CharT, _OutIter>::
1265 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1266 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1267 #endif
1269 template<typename _CharT, typename _OutIter>
1270 _OutIter
1271 num_put<_CharT, _OutIter>::
1272 do_put(iter_type __s, ios_base& __io, char_type __fill,
1273 long double __v) const
1274 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1276 template<typename _CharT, typename _OutIter>
1277 _OutIter
1278 num_put<_CharT, _OutIter>::
1279 do_put(iter_type __s, ios_base& __io, char_type __fill,
1280 const void* __v) const
1281 {
1282 const ios_base::fmtflags __flags = __io.flags();
1283 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1284 | ios_base::uppercase
1285 | ios_base::internal);
1286 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1288 __s = _M_insert_int(__s, __io, __fill,
1289 reinterpret_cast<unsigned long>(__v));
1290 __io.flags(__flags);
1291 return __s;
1292 }
1294 template<typename _CharT, typename _InIter>
1295 template<bool _Intl>
1296 _InIter
1297 money_get<_CharT, _InIter>::
1298 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1299 ios_base::iostate& __err, string& __units) const
1300 {
1301 typedef char_traits<_CharT> __traits_type;
1302 typedef typename string_type::size_type size_type;
1303 typedef money_base::part part;
1304 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1306 const locale& __loc = __io._M_getloc();
1307 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1309 __use_cache<__cache_type> __uc;
1310 const __cache_type* __lc = __uc(__loc);
1311 const char_type* __lit = __lc->_M_atoms;
1313 // Deduced sign.
1314 bool __negative = false;
1315 // Sign size.
1316 size_type __sign_size = 0;
1317 // True if sign is mandatory.
1318 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1319 && __lc->_M_negative_sign_size);
1320 // String of grouping info from thousands_sep plucked from __units.
1321 string __grouping_tmp;
1322 if (__lc->_M_use_grouping)
1323 __grouping_tmp.reserve(32);
1324 // Last position before the decimal point.
1325 int __last_pos = 0;
1326 // Separator positions, then, possibly, fractional digits.
1327 int __n = 0;
1328 // If input iterator is in a valid state.
1329 bool __testvalid = true;
1330 // Flag marking when a decimal point is found.
1331 bool __testdecfound = false;
1333 // The tentative returned string is stored here.
1334 string __res;
1335 __res.reserve(32);
1337 const char_type* __lit_zero = __lit + money_base::_S_zero;
1338 const money_base::pattern __p = __lc->_M_neg_format;
1339 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1340 {
1341 const part __which = static_cast<part>(__p.field[__i]);
1342 switch (__which)
1343 {
1344 case money_base::symbol:
1345 // According to 22.2.6.1.2, p2, symbol is required
1346 // if (__io.flags() & ios_base::showbase), otherwise
1347 // is optional and consumed only if other characters
1348 // are needed to complete the format.
1349 if (__io.flags() & ios_base::showbase || __sign_size > 1
1350 || __i == 0
1351 || (__i == 1 && (__mandatory_sign
1352 || (static_cast<part>(__p.field[0])
1353 == money_base::sign)
1354 || (static_cast<part>(__p.field[2])
1355 == money_base::space)))
1356 || (__i == 2 && ((static_cast<part>(__p.field[3])
1357 == money_base::value)
1358 || __mandatory_sign
1359 && (static_cast<part>(__p.field[3])
1360 == money_base::sign))))
1361 {
1362 const size_type __len = __lc->_M_curr_symbol_size;
1363 size_type __j = 0;
1364 for (; __beg != __end && __j < __len
1365 && *__beg == __lc->_M_curr_symbol[__j];
1366 ++__beg, ++__j);
1367 if (__j != __len
1368 && (__j || __io.flags() & ios_base::showbase))
1369 __testvalid = false;
1370 }
1371 break;
1372 case money_base::sign:
1373 // Sign might not exist, or be more than one character long.
1374 if (__lc->_M_positive_sign_size && __beg != __end
1375 && *__beg == __lc->_M_positive_sign[0])
1376 {
1377 __sign_size = __lc->_M_positive_sign_size;
1378 ++__beg;
1379 }
1380 else if (__lc->_M_negative_sign_size && __beg != __end
1381 && *__beg == __lc->_M_negative_sign[0])
1382 {
1383 __negative = true;
1384 __sign_size = __lc->_M_negative_sign_size;
1385 ++__beg;
1386 }
1387 else if (__lc->_M_positive_sign_size
1388 && !__lc->_M_negative_sign_size)
1389 // "... if no sign is detected, the result is given the sign
1390 // that corresponds to the source of the empty string"
1391 __negative = true;
1392 else if (__mandatory_sign)
1393 __testvalid = false;
1394 break;
1395 case money_base::value:
1396 // Extract digits, remove and stash away the
1397 // grouping of found thousands separators.
1398 for (; __beg != __end; ++__beg)
1399 {
1400 const char_type __c = *__beg;
1401 const char_type* __q = __traits_type::find(__lit_zero,
1402 10, __c);
1403 if (__q != 0)
1404 {
1405 __res += money_base::_S_atoms[__q - __lit];
1406 ++__n;
1407 }
1408 else if (__c == __lc->_M_decimal_point
1409 && !__testdecfound)
1410 {
1411 __last_pos = __n;
1412 __n = 0;
1413 __testdecfound = true;
1414 }
1415 else if (__lc->_M_use_grouping
1416 && __c == __lc->_M_thousands_sep
1417 && !__testdecfound)
1418 {
1419 if (__n)
1420 {
1421 // Mark position for later analysis.
1422 __grouping_tmp += static_cast<char>(__n);
1423 __n = 0;
1424 }
1425 else
1426 {
1427 __testvalid = false;
1428 break;
1429 }
1430 }
1431 else
1432 break;
1433 }
1434 if (__res.empty())
1435 __testvalid = false;
1436 break;
1437 case money_base::space:
1438 // At least one space is required.
1439 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1440 ++__beg;
1441 else
1442 __testvalid = false;
1443 case money_base::none:
1444 // Only if not at the end of the pattern.
1445 if (__i != 3)
1446 for (; __beg != __end
1447 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1448 break;
1449 }
1450 }
1452 // Need to get the rest of the sign characters, if they exist.
1453 if (__sign_size > 1 && __testvalid)
1454 {
1455 const char_type* __sign = __negative ? __lc->_M_negative_sign
1456 : __lc->_M_positive_sign;
1457 size_type __i = 1;
1458 for (; __beg != __end && __i < __sign_size
1459 && *__beg == __sign[__i]; ++__beg, ++__i);
1461 if (__i != __sign_size)
1462 __testvalid = false;
1463 }
1465 if (__testvalid)
1466 {
1467 // Strip leading zeros.
1468 if (__res.size() > 1)
1469 {
1470 const size_type __first = __res.find_first_not_of('0');
1471 const bool __only_zeros = __first == string::npos;
1472 if (__first)
1473 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1474 }
1476 // 22.2.6.1.2, p4
1477 if (__negative && __res[0] != '0')
1478 __res.insert(__res.begin(), '-');
1480 // Test for grouping fidelity.
1481 if (__grouping_tmp.size())
1482 {
1483 // Add the ending grouping.
1484 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1485 : __n);
1486 if (!std::__verify_grouping(__lc->_M_grouping,
1487 __lc->_M_grouping_size,
1488 __grouping_tmp))
1489 __err |= ios_base::failbit;
1490 }
1492 // Iff not enough digits were supplied after the decimal-point.
1493 if (__testdecfound && __lc->_M_frac_digits > 0
1494 && __n != __lc->_M_frac_digits)
1495 __testvalid = false;
1496 }
1498 // Iff valid sequence is not recognized.
1499 if (!__testvalid)
1500 __err |= ios_base::failbit;
1501 else
1502 __units.swap(__res);
1504 // Iff no more characters are available.
1505 if (__beg == __end)
1506 __err |= ios_base::eofbit;
1507 return __beg;
1508 }
1510 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1511 template<typename _CharT, typename _InIter>
1512 _InIter
1513 money_get<_CharT, _InIter>::
1514 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1515 ios_base::iostate& __err, double& __units) const
1516 {
1517 string __str;
1518 if (__intl)
1519 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1520 else
1521 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1522 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1523 return __beg;
1524 }
1525 #endif
1527 template<typename _CharT, typename _InIter>
1528 _InIter
1529 money_get<_CharT, _InIter>::
1530 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1531 ios_base::iostate& __err, long double& __units) const
1532 {
1533 string __str;
1534 if (__intl)
1535 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1536 else
1537 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1538 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1539 return __beg;
1540 }
1542 template<typename _CharT, typename _InIter>
1543 _InIter
1544 money_get<_CharT, _InIter>::
1545 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1546 ios_base::iostate& __err, string_type& __units) const
1547 {
1548 typedef typename string::size_type size_type;
1550 const locale& __loc = __io._M_getloc();
1551 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1553 string __str;
1554 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1555 __err, __str)
1556 : _M_extract<false>(__beg, __end, __io,
1557 __err, __str);
1558 const size_type __len = __str.size();
1559 if (__len)
1560 {
1561 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1562 * __len));
1563 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1564 __units.assign(__ws, __len);
1565 }
1567 return __ret;
1568 }
1570 template<typename _CharT, typename _OutIter>
1571 template<bool _Intl>
1572 _OutIter
1573 money_put<_CharT, _OutIter>::
1574 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1575 const string_type& __digits) const
1576 {
1577 typedef typename string_type::size_type size_type;
1578 typedef money_base::part part;
1579 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1581 const locale& __loc = __io._M_getloc();
1582 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1584 __use_cache<__cache_type> __uc;
1585 const __cache_type* __lc = __uc(__loc);
1586 const char_type* __lit = __lc->_M_atoms;
1588 // Determine if negative or positive formats are to be used, and
1589 // discard leading negative_sign if it is present.
1590 const char_type* __beg = __digits.data();
1592 money_base::pattern __p;
1593 const char_type* __sign;
1594 size_type __sign_size;
1595 if (!(*__beg == __lit[money_base::_S_minus]))
1596 {
1597 __p = __lc->_M_pos_format;
1598 __sign = __lc->_M_positive_sign;
1599 __sign_size = __lc->_M_positive_sign_size;
1600 }
1601 else
1602 {
1603 __p = __lc->_M_neg_format;
1604 __sign = __lc->_M_negative_sign;
1605 __sign_size = __lc->_M_negative_sign_size;
1606 if (__digits.size())
1607 ++__beg;
1608 }
1610 // Look for valid numbers in the ctype facet within input digits.
1611 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1612 __beg + __digits.size()) - __beg;
1613 if (__len)
1614 {
1615 // Assume valid input, and attempt to format.
1616 // Break down input numbers into base components, as follows:
1617 // final_value = grouped units + (decimal point) + (digits)
1618 string_type __value;
1619 __value.reserve(2 * __len);
1621 // Add thousands separators to non-decimal digits, per
1622 // grouping rules.
1623 int __paddec = __len - __lc->_M_frac_digits;
1624 if (__paddec > 0)
1625 {
1626 if (__lc->_M_frac_digits < 0)
1627 __paddec = __len;
1628 if (__lc->_M_grouping_size)
1629 {
1630 _CharT* __ws =
1631 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1632 * 2 * __len));
1633 _CharT* __ws_end =
1634 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1635 __lc->_M_grouping,
1636 __lc->_M_grouping_size,
1637 __beg, __beg + __paddec);
1638 __value.assign(__ws, __ws_end - __ws);
1639 }
1640 else
1641 __value.assign(__beg, __paddec);
1642 }
1644 // Deal with decimal point, decimal digits.
1645 if (__lc->_M_frac_digits > 0)
1646 {
1647 __value += __lc->_M_decimal_point;
1648 if (__paddec >= 0)
1649 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1650 else
1651 {
1652 // Have to pad zeros in the decimal position.
1653 __value.append(-__paddec, __lit[money_base::_S_zero]);
1654 __value.append(__beg, __len);
1655 }
1656 }
1658 // Calculate length of resulting string.
1659 const ios_base::fmtflags __f = __io.flags()
1660 & ios_base::adjustfield;
1661 __len = __value.size() + __sign_size;
1662 __len += ((__io.flags() & ios_base::showbase)
1663 ? __lc->_M_curr_symbol_size : 0);
1665 string_type __res;
1666 __res.reserve(2 * __len);
1668 const size_type __width = static_cast<size_type>(__io.width());
1669 const bool __testipad = (__f == ios_base::internal
1670 && __len < __width);
1671 // Fit formatted digits into the required pattern.
1672 for (int __i = 0; __i < 4; ++__i)
1673 {
1674 const part __which = static_cast<part>(__p.field[__i]);
1675 switch (__which)
1676 {
1677 case money_base::symbol:
1678 if (__io.flags() & ios_base::showbase)
1679 __res.append(__lc->_M_curr_symbol,
1680 __lc->_M_curr_symbol_size);
1681 break;
1682 case money_base::sign:
1683 // Sign might not exist, or be more than one
1684 // charater long. In that case, add in the rest
1685 // below.
1686 if (__sign_size)
1687 __res += __sign[0];
1688 break;
1689 case money_base::value:
1690 __res += __value;
1691 break;
1692 case money_base::space:
1693 // At least one space is required, but if internal
1694 // formatting is required, an arbitrary number of
1695 // fill spaces will be necessary.
1696 if (__testipad)
1697 __res.append(__width - __len, __fill);
1698 else
1699 __res += __fill;
1700 break;
1701 case money_base::none:
1702 if (__testipad)
1703 __res.append(__width - __len, __fill);
1704 break;
1705 }
1706 }
1708 // Special case of multi-part sign parts.
1709 if (__sign_size > 1)
1710 __res.append(__sign + 1, __sign_size - 1);
1712 // Pad, if still necessary.
1713 __len = __res.size();
1714 if (__width > __len)
1715 {
1716 if (__f == ios_base::left)
1717 // After.
1718 __res.append(__width - __len, __fill);
1719 else
1720 // Before.
1721 __res.insert(0, __width - __len, __fill);
1722 __len = __width;
1723 }
1725 // Write resulting, fully-formatted string to output iterator.
1726 __s = std::__write(__s, __res.data(), __len);
1727 }
1728 __io.width(0);
1729 return __s;
1730 }
1732 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1733 template<typename _CharT, typename _OutIter>
1734 _OutIter
1735 money_put<_CharT, _OutIter>::
1736 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1737 double __units) const
1738 {
1739 return this->do_put(__s, __intl, __io, __fill, (long double) __units);
1740 }
1741 #endif
1743 template<typename _CharT, typename _OutIter>
1744 _OutIter
1745 money_put<_CharT, _OutIter>::
1746 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1747 long double __units) const
1748 {
1749 const locale __loc = __io.getloc();
1750 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1751 #ifdef _GLIBCXX_USE_C99
1752 // First try a buffer perhaps big enough.
1753 int __cs_size = 64;
1754 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1755 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1756 // 328. Bad sprintf format modifier in money_put<>::do_put()
1757 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1758 _S_get_c_locale(), 0);
1759 // If the buffer was not large enough, try again with the correct size.
1760 if (__len >= __cs_size)
1761 {
1762 __cs_size = __len + 1;
1763 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1764 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1765 _S_get_c_locale(), 0);
1766 }
1767 #else
1768 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1769 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1770 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1771 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1772 _S_get_c_locale(), 0);
1773 #endif
1774 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1775 * __cs_size));
1776 __ctype.widen(__cs, __cs + __len, __ws);
1777 const string_type __digits(__ws, __len);
1778 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1779 : _M_insert<false>(__s, __io, __fill, __digits);
1780 }
1782 template<typename _CharT, typename _OutIter>
1783 _OutIter
1784 money_put<_CharT, _OutIter>::
1785 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1786 const string_type& __digits) const
1787 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1788 : _M_insert<false>(__s, __io, __fill, __digits); }
1790 _GLIBCXX_END_LDBL_NAMESPACE
1792 // NB: Not especially useful. Without an ios_base object or some
1793 // kind of locale reference, we are left clawing at the air where
1794 // the side of the mountain used to be...
1795 template<typename _CharT, typename _InIter>
1796 time_base::dateorder
1797 time_get<_CharT, _InIter>::do_date_order() const
1798 { return time_base::no_order; }
1800 // Expand a strftime format string and parse it. E.g., do_get_date() may
1801 // pass %m/%d/%Y => extracted characters.
1802 template<typename _CharT, typename _InIter>
1803 _InIter
1804 time_get<_CharT, _InIter>::
1805 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1806 ios_base::iostate& __err, tm* __tm,
1807 const _CharT* __format) const
1808 {
1809 const locale& __loc = __io._M_getloc();
1810 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1811 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1812 const size_t __len = char_traits<_CharT>::length(__format);
1814 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1815 {
1816 if (__ctype.narrow(__format[__i], 0) == '%')
1817 {
1818 // Verify valid formatting code, attempt to extract.
1819 char __c = __ctype.narrow(__format[++__i], 0);
1820 int __mem = 0;
1821 if (__c == 'E' || __c == 'O')
1822 __c = __ctype.narrow(__format[++__i], 0);
1823 switch (__c)
1824 {
1825 const char* __cs;
1826 _CharT __wcs[10];
1827 case 'a':
1828 // Abbreviated weekday name [tm_wday]
1829 const char_type* __days1[7];
1830 __tp._M_days_abbreviated(__days1);
1831 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1832 7, __io, __err);
1833 break;
1834 case 'A':
1835 // Weekday name [tm_wday].
1836 const char_type* __days2[7];
1837 __tp._M_days(__days2);
1838 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1839 7, __io, __err);
1840 break;
1841 case 'h':
1842 case 'b':
1843 // Abbreviated month name [tm_mon]
1844 const char_type* __months1[12];
1845 __tp._M_months_abbreviated(__months1);
1846 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1847 __months1, 12, __io, __err);
1848 break;
1849 case 'B':
1850 // Month name [tm_mon].
1851 const char_type* __months2[12];
1852 __tp._M_months(__months2);
1853 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1854 __months2, 12, __io, __err);
1855 break;
1856 case 'c':
1857 // Default time and date representation.
1858 const char_type* __dt[2];
1859 __tp._M_date_time_formats(__dt);
1860 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1861 __tm, __dt[0]);
1862 break;
1863 case 'd':
1864 // Day [01, 31]. [tm_mday]
1865 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1866 __io, __err);
1867 break;
1868 case 'e':
1869 // Day [1, 31], with single digits preceded by
1870 // space. [tm_mday]
1871 if (__ctype.is(ctype_base::space, *__beg))
1872 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1873 1, __io, __err);
1874 else
1875 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1876 2, __io, __err);
1877 break;
1878 case 'D':
1879 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1880 __cs = "%m/%d/%y";
1881 __ctype.widen(__cs, __cs + 9, __wcs);
1882 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1883 __tm, __wcs);
1884 break;
1885 case 'H':
1886 // Hour [00, 23]. [tm_hour]
1887 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1888 __io, __err);
1889 break;
1890 case 'I':
1891 // Hour [01, 12]. [tm_hour]
1892 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1893 __io, __err);
1894 break;
1895 case 'm':
1896 // Month [01, 12]. [tm_mon]
1897 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1898 __io, __err);
1899 if (!__err)
1900 __tm->tm_mon = __mem - 1;
1901 break;
1902 case 'M':
1903 // Minute [00, 59]. [tm_min]
1904 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1905 __io, __err);
1906 break;
1907 case 'n':
1908 if (__ctype.narrow(*__beg, 0) == '\n')
1909 ++__beg;
1910 else
1911 __err |= ios_base::failbit;
1912 break;
1913 case 'R':
1914 // Equivalent to (%H:%M).
1915 __cs = "%H:%M";
1916 __ctype.widen(__cs, __cs + 6, __wcs);
1917 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1918 __tm, __wcs);
1919 break;
1920 case 'S':
1921 // Seconds. [tm_sec]
1922 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1923 #ifdef _GLIBCXX_USE_C99
1924 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1925 #else
1926 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1927 #endif
1928 __io, __err);
1929 break;
1930 case 't':
1931 if (__ctype.narrow(*__beg, 0) == '\t')
1932 ++__beg;
1933 else
1934 __err |= ios_base::failbit;
1935 break;
1936 case 'T':
1937 // Equivalent to (%H:%M:%S).
1938 __cs = "%H:%M:%S";
1939 __ctype.widen(__cs, __cs + 9, __wcs);
1940 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1941 __tm, __wcs);
1942 break;
1943 case 'x':
1944 // Locale's date.
1945 const char_type* __dates[2];
1946 __tp._M_date_formats(__dates);
1947 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1948 __tm, __dates[0]);
1949 break;
1950 case 'X':
1951 // Locale's time.
1952 const char_type* __times[2];
1953 __tp._M_time_formats(__times);
1954 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1955 __tm, __times[0]);
1956 break;
1957 case 'y':
1958 case 'C': // C99
1959 // Two digit year. [tm_year]
1960 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1961 __io, __err);
1962 break;
1963 case 'Y':
1964 // Year [1900). [tm_year]
1965 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1966 __io, __err);
1967 if (!__err)
1968 __tm->tm_year = __mem - 1900;
1969 break;
1970 case 'Z':
1971 // Timezone info.
1972 if (__ctype.is(ctype_base::upper, *__beg))
1973 {
1974 int __tmp;
1975 __beg = _M_extract_name(__beg, __end, __tmp,
1976 __timepunct_cache<_CharT>::_S_timezones,
1977 14, __io, __err);
1979 // GMT requires special effort.
1980 if (__beg != __end && !__err && __tmp == 0
1981 && (*__beg == __ctype.widen('-')
1982 || *__beg == __ctype.widen('+')))
1983 {
1984 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1985 __io, __err);
1986 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1987 __io, __err);
1988 }
1989 }
1990 else
1991 __err |= ios_base::failbit;
1992 break;
1993 default:
1994 // Not recognized.
1995 __err |= ios_base::failbit;
1996 }
1997 }
1998 else
1999 {
2000 // Verify format and input match, extract and discard.
2001 if (__format[__i] == *__beg)
2002 ++__beg;
2003 else
2004 __err |= ios_base::failbit;
2005 }
2006 }
2007 return __beg;
2008 }
2010 template<typename _CharT, typename _InIter>
2011 _InIter
2012 time_get<_CharT, _InIter>::
2013 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2014 int __min, int __max, size_t __len,
2015 ios_base& __io, ios_base::iostate& __err) const
2016 {
2017 const locale& __loc = __io._M_getloc();
2018 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2020 // As-is works for __len = 1, 2, 4, the values actually used.
2021 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2023 ++__min;
2024 size_t __i = 0;
2025 int __value = 0;
2026 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2027 {
2028 const char __c = __ctype.narrow(*__beg, '*');
2029 if (__c >= '0' && __c <= '9')
2030 {
2031 __value = __value * 10 + (__c - '0');
2032 const int __valuec = __value * __mult;
2033 if (__valuec > __max || __valuec + __mult < __min)
2034 break;
2035 __mult /= 10;
2036 }
2037 else
2038 break;
2039 }
2040 if (__i == __len)
2041 __member = __value;
2042 else
2043 __err |= ios_base::failbit;
2044 return __beg;
2045 }
2047 // Assumptions:
2048 // All elements in __names are unique.
2049 template<typename _CharT, typename _InIter>
2050 _InIter
2051 time_get<_CharT, _InIter>::
2052 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2053 const _CharT** __names, size_t __indexlen,
2054 ios_base& __io, ios_base::iostate& __err) const
2055 {
2056 typedef char_traits<_CharT> __traits_type;
2057 const locale& __loc = __io._M_getloc();
2058 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2060 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2061 * __indexlen));
2062 size_t __nmatches = 0;
2063 size_t __pos = 0;
2064 bool __testvalid = true;
2065 const char_type* __name;
2067 // Look for initial matches.
2068 // NB: Some of the locale data is in the form of all lowercase
2069 // names, and some is in the form of initially-capitalized
2070 // names. Look for both.
2071 if (__beg != __end)
2072 {
2073 const char_type __c = *__beg;
2074 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2075 if (__c == __names[__i1][0]
2076 || __c == __ctype.toupper(__names[__i1][0]))
2077 __matches[__nmatches++] = __i1;
2078 }
2080 while (__nmatches > 1)
2081 {
2082 // Find smallest matching string.
2083 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2084 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2085 __minlen = std::min(__minlen,
2086 __traits_type::length(__names[__matches[__i2]]));
2087 ++__beg, ++__pos;
2088 if (__pos < __minlen && __beg != __end)
2089 for (size_t __i3 = 0; __i3 < __nmatches;)
2090 {
2091 __name = __names[__matches[__i3]];
2092 if (!(__name[__pos] == *__beg))
2093 __matches[__i3] = __matches[--__nmatches];
2094 else
2095 ++__i3;
2096 }
2097 else
2098 break;
2099 }
2101 if (__nmatches == 1)
2102 {
2103 // Make sure found name is completely extracted.
2104 ++__beg, ++__pos;
2105 __name = __names[__matches[0]];
2106 const size_t __len = __traits_type::length(__name);
2107 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2108 ++__beg, ++__pos;
2110 if (__len == __pos)
2111 __member = __matches[0];
2112 else
2113 __testvalid = false;
2114 }
2115 else
2116 __testvalid = false;
2117 if (!__testvalid)
2118 __err |= ios_base::failbit;
2119 return __beg;
2120 }
2122 template<typename _CharT, typename _InIter>
2123 _InIter
2124 time_get<_CharT, _InIter>::
2125 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2126 ios_base::iostate& __err, tm* __tm) const
2127 {
2128 const locale& __loc = __io._M_getloc();
2129 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2130 const char_type* __times[2];
2131 __tp._M_time_formats(__times);
2132 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2133 __tm, __times[0]);
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_date(iter_type __beg, iter_type __end, ios_base& __io,
2143 ios_base::iostate& __err, tm* __tm) const
2144 {
2145 const locale& __loc = __io._M_getloc();
2146 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2147 const char_type* __dates[2];
2148 __tp._M_date_formats(__dates);
2149 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2150 __tm, __dates[0]);
2151 if (__beg == __end)
2152 __err |= ios_base::eofbit;
2153 return __beg;
2154 }
2156 template<typename _CharT, typename _InIter>
2157 _InIter
2158 time_get<_CharT, _InIter>::
2159 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2160 ios_base::iostate& __err, tm* __tm) const
2161 {
2162 typedef char_traits<_CharT> __traits_type;
2163 const locale& __loc = __io._M_getloc();
2164 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2165 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2166 const char_type* __days[7];
2167 __tp._M_days_abbreviated(__days);
2168 int __tmpwday;
2169 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2171 // Check to see if non-abbreviated name exists, and extract.
2172 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2173 // exact same order, first to last, such that the resulting
2174 // __days array with the same index points to a day, and that
2175 // day's abbreviated form.
2176 // NB: Also assumes that an abbreviated name is a subset of the name.
2177 if (!__err && __beg != __end)
2178 {
2179 size_t __pos = __traits_type::length(__days[__tmpwday]);
2180 __tp._M_days(__days);
2181 const char_type* __name = __days[__tmpwday];
2182 if (__name[__pos] == *__beg)
2183 {
2184 // Extract the rest of it.
2185 const size_t __len = __traits_type::length(__name);
2186 while (__pos < __len && __beg != __end
2187 && __name[__pos] == *__beg)
2188 ++__beg, ++__pos;
2189 if (__len != __pos)
2190 __err |= ios_base::failbit;
2191 }
2192 }
2193 if (!__err)
2194 __tm->tm_wday = __tmpwday;
2196 if (__beg == __end)
2197 __err |= ios_base::eofbit;
2198 return __beg;
2199 }
2201 template<typename _CharT, typename _InIter>
2202 _InIter
2203 time_get<_CharT, _InIter>::
2204 do_get_monthname(iter_type __beg, iter_type __end,
2205 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2206 {
2207 typedef char_traits<_CharT> __traits_type;
2208 const locale& __loc = __io._M_getloc();
2209 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2210 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2211 const char_type* __months[12];
2212 __tp._M_months_abbreviated(__months);
2213 int __tmpmon;
2214 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2215 __io, __err);
2217 // Check to see if non-abbreviated name exists, and extract.
2218 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2219 // exact same order, first to last, such that the resulting
2220 // __months array with the same index points to a month, and that
2221 // month's abbreviated form.
2222 // NB: Also assumes that an abbreviated name is a subset of the name.
2223 if (!__err && __beg != __end)
2224 {
2225 size_t __pos = __traits_type::length(__months[__tmpmon]);
2226 __tp._M_months(__months);
2227 const char_type* __name = __months[__tmpmon];
2228 if (__name[__pos] == *__beg)
2229 {
2230 // Extract the rest of it.
2231 const size_t __len = __traits_type::length(__name);
2232 while (__pos < __len && __beg != __end
2233 && __name[__pos] == *__beg)
2234 ++__beg, ++__pos;
2235 if (__len != __pos)
2236 __err |= ios_base::failbit;
2237 }
2238 }
2239 if (!__err)
2240 __tm->tm_mon = __tmpmon;
2242 if (__beg == __end)
2243 __err |= ios_base::eofbit;
2244 return __beg;
2245 }
2247 template<typename _CharT, typename _InIter>
2248 _InIter
2249 time_get<_CharT, _InIter>::
2250 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2251 ios_base::iostate& __err, tm* __tm) const
2252 {
2253 const locale& __loc = __io._M_getloc();
2254 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2256 size_t __i = 0;
2257 int __value = 0;
2258 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2259 {
2260 const char __c = __ctype.narrow(*__beg, '*');
2261 if (__c >= '0' && __c <= '9')
2262 __value = __value * 10 + (__c - '0');
2263 else
2264 break;
2265 }
2266 if (__i == 2 || __i == 4)
2267 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2268 else
2269 __err |= ios_base::failbit;
2270 if (__beg == __end)
2271 __err |= ios_base::eofbit;
2272 return __beg;
2273 }
2275 template<typename _CharT, typename _OutIter>
2276 _OutIter
2277 time_put<_CharT, _OutIter>::
2278 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2279 const _CharT* __beg, const _CharT* __end) const
2280 {
2281 const locale& __loc = __io._M_getloc();
2282 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2283 for (; __beg != __end; ++__beg)
2284 if (__ctype.narrow(*__beg, 0) != '%')
2285 {
2286 *__s = *__beg;
2287 ++__s;
2288 }
2289 else if (++__beg != __end)
2290 {
2291 char __format;
2292 char __mod = 0;
2293 const char __c = __ctype.narrow(*__beg, 0);
2294 if (__c != 'E' && __c != 'O')
2295 __format = __c;
2296 else if (++__beg != __end)
2297 {
2298 __mod = __c;
2299 __format = __ctype.narrow(*__beg, 0);
2300 }
2301 else
2302 break;
2303 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2304 }
2305 else
2306 break;
2307 return __s;
2308 }
2310 template<typename _CharT, typename _OutIter>
2311 _OutIter
2312 time_put<_CharT, _OutIter>::
2313 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2314 char __format, char __mod) const
2315 {
2316 const locale& __loc = __io._M_getloc();
2317 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2318 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2320 // NB: This size is arbitrary. Should this be a data member,
2321 // initialized at construction?
2322 const size_t __maxlen = 128;
2323 char_type* __res =
2324 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2326 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2327 // is possible that the format character will be longer than one
2328 // character. Possibilities include 'E' or 'O' followed by a
2329 // format character: if __mod is not the default argument, assume
2330 // it's a valid modifier.
2331 char_type __fmt[4];
2332 __fmt[0] = __ctype.widen('%');
2333 if (!__mod)
2334 {
2335 __fmt[1] = __format;
2336 __fmt[2] = char_type();
2337 }
2338 else
2339 {
2340 __fmt[1] = __mod;
2341 __fmt[2] = __format;
2342 __fmt[3] = char_type();
2343 }
2345 __tp._M_put(__res, __maxlen, __fmt, __tm);
2347 // Write resulting, fully-formatted string to output iterator.
2348 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2349 }
2351 // Generic version does nothing.
2352 template<typename _CharT>
2353 int
2354 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2355 { return 0; }
2357 // Generic version does nothing.
2358 template<typename _CharT>
2359 size_t
2360 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2361 { return 0; }
2363 template<typename _CharT>
2364 int
2365 collate<_CharT>::
2366 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2367 const _CharT* __lo2, const _CharT* __hi2) const
2368 {
2369 // strcoll assumes zero-terminated strings so we make a copy
2370 // and then put a zero at the end.
2371 const string_type __one(__lo1, __hi1);
2372 const string_type __two(__lo2, __hi2);
2374 const _CharT* __p = __one.c_str();
2375 const _CharT* __pend = __one.data() + __one.length();
2376 const _CharT* __q = __two.c_str();
2377 const _CharT* __qend = __two.data() + __two.length();
2379 // strcoll stops when it sees a nul character so we break
2380 // the strings into zero-terminated substrings and pass those
2381 // to strcoll.
2382 for (;;)
2383 {
2384 const int __res = _M_compare(__p, __q);
2385 if (__res)
2386 return __res;
2388 __p += char_traits<_CharT>::length(__p);
2389 __q += char_traits<_CharT>::length(__q);
2390 if (__p == __pend && __q == __qend)
2391 return 0;
2392 else if (__p == __pend)
2393 return -1;
2394 else if (__q == __qend)
2395 return 1;
2397 __p++;
2398 __q++;
2399 }
2400 }
2402 template<typename _CharT>
2403 typename collate<_CharT>::string_type
2404 collate<_CharT>::
2405 do_transform(const _CharT* __lo, const _CharT* __hi) const
2406 {
2407 // strxfrm assumes zero-terminated strings so we make a copy
2408 string_type __str(__lo, __hi);
2410 const _CharT* __p = __str.c_str();
2411 const _CharT* __pend = __str.data() + __str.length();
2413 size_t __len = (__hi - __lo) * 2;
2415 string_type __ret;
2417 // strxfrm stops when it sees a nul character so we break
2418 // the string into zero-terminated substrings and pass those
2419 // to strxfrm.
2420 for (;;)
2421 {
2422 // First try a buffer perhaps big enough.
2423 _CharT* __c =
2424 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2425 size_t __res = _M_transform(__c, __p, __len);
2426 // If the buffer was not large enough, try again with the
2427 // correct size.
2428 if (__res >= __len)
2429 {
2430 __len = __res + 1;
2431 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2432 * __len));
2433 __res = _M_transform(__c, __p, __len);
2434 }
2436 __ret.append(__c, __res);
2437 __p += char_traits<_CharT>::length(__p);
2438 if (__p == __pend)
2439 return __ret;
2441 __p++;
2442 __ret.push_back(_CharT());
2443 }
2444 }
2446 template<typename _CharT>
2447 long
2448 collate<_CharT>::
2449 do_hash(const _CharT* __lo, const _CharT* __hi) const
2450 {
2451 unsigned long __val = 0;
2452 for (; __lo < __hi; ++__lo)
2453 __val = *__lo + ((__val << 7) |
2454 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2455 return static_cast<long>(__val);
2456 }
2458 // Construct correctly padded string, as per 22.2.2.2.2
2459 // Assumes
2460 // __newlen > __oldlen
2461 // __news is allocated for __newlen size
2462 // Used by both num_put and ostream inserters: if __num,
2463 // internal-adjusted objects are padded according to the rules below
2464 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2465 // ones are.
2467 // NB: Of the two parameters, _CharT can be deduced from the
2468 // function arguments. The other (_Traits) has to be explicitly specified.
2469 template<typename _CharT, typename _Traits>
2470 void
2471 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2472 _CharT* __news, const _CharT* __olds,
2473 const streamsize __newlen,
2474 const streamsize __oldlen, const bool __num)
2475 {
2476 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2477 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2479 // Padding last.
2480 if (__adjust == ios_base::left)
2481 {
2482 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2483 _Traits::assign(__news + __oldlen, __plen, __fill);
2484 return;
2485 }
2487 size_t __mod = 0;
2488 if (__adjust == ios_base::internal && __num)
2489 {
2490 // Pad after the sign, if there is one.
2491 // Pad after 0[xX], if there is one.
2492 // Who came up with these rules, anyway? Jeeze.
2493 const locale& __loc = __io._M_getloc();
2494 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2496 const bool __testsign = (__ctype.widen('-') == __olds[0]
2497 || __ctype.widen('+') == __olds[0]);
2498 const bool __testhex = (__ctype.widen('0') == __olds[0]
2499 && __oldlen > 1
2500 && (__ctype.widen('x') == __olds[1]
2501 || __ctype.widen('X') == __olds[1]));
2502 if (__testhex)
2503 {
2504 __news[0] = __olds[0];
2505 __news[1] = __olds[1];
2506 __mod = 2;
2507 __news += 2;
2508 }
2509 else if (__testsign)
2510 {
2511 __news[0] = __olds[0];
2512 __mod = 1;
2513 ++__news;
2514 }
2515 // else Padding first.
2516 }
2517 _Traits::assign(__news, __plen, __fill);
2518 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2519 __oldlen - __mod);
2520 }
2522 bool
2523 __verify_grouping(const char* __grouping, size_t __grouping_size,
2524 const string& __grouping_tmp)
2525 {
2526 const size_t __n = __grouping_tmp.size() - 1;
2527 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2528 size_t __i = __n;
2529 bool __test = true;
2531 // Parsed number groupings have to match the
2532 // numpunct::grouping string exactly, starting at the
2533 // right-most point of the parsed sequence of elements ...
2534 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2535 __test = __grouping_tmp[__i] == __grouping[__j];
2536 for (; __i && __test; --__i)
2537 __test = __grouping_tmp[__i] == __grouping[__min];
2538 // ... but the first parsed grouping can be <= numpunct
2539 // grouping (only do the check if the numpunct char is > 0
2540 // because <= 0 means any size is ok).
2541 if (static_cast<signed char>(__grouping[__min]) > 0)
2542 __test &= __grouping_tmp[0] <= __grouping[__min];
2543 return __test;
2544 }
2546 template<typename _CharT>
2547 _CharT*
2548 __add_grouping(_CharT* __s, _CharT __sep,
2549 const char* __gbeg, size_t __gsize,
2550 const _CharT* __first, const _CharT* __last)
2551 {
2552 if (__last - __first > *__gbeg
2553 && static_cast<signed char>(*__gbeg) > 0)
2554 {
2555 const bool __bump = __gsize != 1;
2556 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2557 __gsize - __bump, __first,
2558 __last - *__gbeg);
2559 __first = __last - *__gbeg;
2560 *__s++ = __sep;
2561 }
2562 do
2563 *__s++ = *__first++;
2564 while (__first != __last);
2565 return __s;
2566 }
2568 // Inhibit implicit instantiations for required instantiations,
2569 // which are defined via explicit instantiations elsewhere.
2570 // NB: This syntax is a GNU extension.
2571 #if _GLIBCXX_EXTERN_TEMPLATE
2572 extern template class moneypunct<char, false>;
2573 extern template class moneypunct<char, true>;
2574 extern template class moneypunct_byname<char, false>;
2575 extern template class moneypunct_byname<char, true>;
2576 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2577 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2578 extern template class numpunct<char>;
2579 extern template class numpunct_byname<char>;
2580 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2581 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2582 extern template class __timepunct<char>;
2583 extern template class time_put<char>;
2584 extern template class time_put_byname<char>;
2585 extern template class time_get<char>;
2586 extern template class time_get_byname<char>;
2587 extern template class messages<char>;
2588 extern template class messages_byname<char>;
2589 extern template class ctype_byname<char>;
2590 extern template class codecvt_byname<char, char, mbstate_t>;
2591 extern template class collate<char>;
2592 extern template class collate_byname<char>;
2594 extern template
2595 const codecvt<char, char, mbstate_t>&
2596 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2598 extern template
2599 const collate<char>&
2600 use_facet<collate<char> >(const locale&);
2602 extern template
2603 const numpunct<char>&
2604 use_facet<numpunct<char> >(const locale&);
2606 extern template
2607 const num_put<char>&
2608 use_facet<num_put<char> >(const locale&);
2610 extern template
2611 const num_get<char>&
2612 use_facet<num_get<char> >(const locale&);
2614 extern template
2615 const moneypunct<char, true>&
2616 use_facet<moneypunct<char, true> >(const locale&);
2618 extern template
2619 const moneypunct<char, false>&
2620 use_facet<moneypunct<char, false> >(const locale&);
2622 extern template
2623 const money_put<char>&
2624 use_facet<money_put<char> >(const locale&);
2626 extern template
2627 const money_get<char>&
2628 use_facet<money_get<char> >(const locale&);
2630 extern template
2631 const __timepunct<char>&
2632 use_facet<__timepunct<char> >(const locale&);
2634 extern template
2635 const time_put<char>&
2636 use_facet<time_put<char> >(const locale&);
2638 extern template
2639 const time_get<char>&
2640 use_facet<time_get<char> >(const locale&);
2642 extern template
2643 const messages<char>&
2644 use_facet<messages<char> >(const locale&);
2646 extern template
2647 bool
2648 has_facet<ctype<char> >(const locale&);
2650 extern template
2651 bool
2652 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2654 extern template
2655 bool
2656 has_facet<collate<char> >(const locale&);
2658 extern template
2659 bool
2660 has_facet<numpunct<char> >(const locale&);
2662 extern template
2663 bool
2664 has_facet<num_put<char> >(const locale&);
2666 extern template
2667 bool
2668 has_facet<num_get<char> >(const locale&);
2670 extern template
2671 bool
2672 has_facet<moneypunct<char> >(const locale&);
2674 extern template
2675 bool
2676 has_facet<money_put<char> >(const locale&);
2678 extern template
2679 bool
2680 has_facet<money_get<char> >(const locale&);
2682 extern template
2683 bool
2684 has_facet<__timepunct<char> >(const locale&);
2686 extern template
2687 bool
2688 has_facet<time_put<char> >(const locale&);
2690 extern template
2691 bool
2692 has_facet<time_get<char> >(const locale&);
2694 extern template
2695 bool
2696 has_facet<messages<char> >(const locale&);
2698 #ifdef _GLIBCXX_USE_WCHAR_T
2699 extern template class moneypunct<wchar_t, false>;
2700 extern template class moneypunct<wchar_t, true>;
2701 extern template class moneypunct_byname<wchar_t, false>;
2702 extern template class moneypunct_byname<wchar_t, true>;
2703 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2704 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2705 extern template class numpunct<wchar_t>;
2706 extern template class numpunct_byname<wchar_t>;
2707 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2708 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2709 extern template class __timepunct<wchar_t>;
2710 extern template class time_put<wchar_t>;
2711 extern template class time_put_byname<wchar_t>;
2712 extern template class time_get<wchar_t>;
2713 extern template class time_get_byname<wchar_t>;
2714 extern template class messages<wchar_t>;
2715 extern template class messages_byname<wchar_t>;
2716 extern template class ctype_byname<wchar_t>;
2717 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2718 extern template class collate<wchar_t>;
2719 extern template class collate_byname<wchar_t>;
2721 extern template
2722 const codecvt<wchar_t, char, mbstate_t>&
2723 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2725 extern template
2726 const collate<wchar_t>&
2727 use_facet<collate<wchar_t> >(const locale&);
2729 extern template
2730 const numpunct<wchar_t>&
2731 use_facet<numpunct<wchar_t> >(const locale&);
2733 extern template
2734 const num_put<wchar_t>&
2735 use_facet<num_put<wchar_t> >(const locale&);
2737 extern template
2738 const num_get<wchar_t>&
2739 use_facet<num_get<wchar_t> >(const locale&);
2741 extern template
2742 const moneypunct<wchar_t, true>&
2743 use_facet<moneypunct<wchar_t, true> >(const locale&);
2745 extern template
2746 const moneypunct<wchar_t, false>&
2747 use_facet<moneypunct<wchar_t, false> >(const locale&);
2749 extern template
2750 const money_put<wchar_t>&
2751 use_facet<money_put<wchar_t> >(const locale&);
2753 extern template
2754 const money_get<wchar_t>&
2755 use_facet<money_get<wchar_t> >(const locale&);
2757 extern template
2758 const __timepunct<wchar_t>&
2759 use_facet<__timepunct<wchar_t> >(const locale&);
2761 extern template
2762 const time_put<wchar_t>&
2763 use_facet<time_put<wchar_t> >(const locale&);
2765 extern template
2766 const time_get<wchar_t>&
2767 use_facet<time_get<wchar_t> >(const locale&);
2769 extern template
2770 const messages<wchar_t>&
2771 use_facet<messages<wchar_t> >(const locale&);
2773 extern template
2774 bool
2775 has_facet<ctype<wchar_t> >(const locale&);
2777 extern template
2778 bool
2779 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2781 extern template
2782 bool
2783 has_facet<collate<wchar_t> >(const locale&);
2785 extern template
2786 bool
2787 has_facet<numpunct<wchar_t> >(const locale&);
2789 extern template
2790 bool
2791 has_facet<num_put<wchar_t> >(const locale&);
2793 extern template
2794 bool
2795 has_facet<num_get<wchar_t> >(const locale&);
2797 extern template
2798 bool
2799 has_facet<moneypunct<wchar_t> >(const locale&);
2801 extern template
2802 bool
2803 has_facet<money_put<wchar_t> >(const locale&);
2805 extern template
2806 bool
2807 has_facet<money_get<wchar_t> >(const locale&);
2809 extern template
2810 bool
2811 has_facet<__timepunct<wchar_t> >(const locale&);
2813 extern template
2814 bool
2815 has_facet<time_put<wchar_t> >(const locale&);
2817 extern template
2818 bool
2819 has_facet<time_get<wchar_t> >(const locale&);
2821 extern template
2822 bool
2823 has_facet<messages<wchar_t> >(const locale&);
2824 #endif
2825 #endif
2827 _GLIBCXX_END_NAMESPACE
2829 #endif