1 : // Locale support -*- C++ -*-
2 :
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.
11 :
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.
16 :
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.
21 :
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.
30 :
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 : */
35 :
36 : #ifndef _LOCALE_FACETS_TCC
37 : #define _LOCALE_FACETS_TCC 1
38 :
39 : #pragma GCC system_header
40 :
41 : #include <limits> // For numeric_limits
42 : #include <typeinfo> // For bad_cast.
43 : #include <bits/streambuf_iterator.h>
44 : #include <ext/type_traits.h>
45 :
46 : _GLIBCXX_BEGIN_NAMESPACE(std)
47 :
48 : template<typename _Facet>
49 : locale
50 : locale::combine(const locale& __other) const
51 : {
52 : _Impl* __tmp = new _Impl(*_M_impl, 1);
53 : try
54 : {
55 : __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
56 : }
57 : catch(...)
58 : {
59 : __tmp->_M_remove_reference();
60 : __throw_exception_again;
61 : }
62 : return locale(__tmp);
63 : }
64 :
65 : template<typename _CharT, typename _Traits, typename _Alloc>
66 : bool
67 : locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
68 : const basic_string<_CharT, _Traits, _Alloc>& __s2) const
69 : {
70 : typedef std::collate<_CharT> __collate_type;
71 : const __collate_type& __collate = use_facet<__collate_type>(*this);
72 : return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
73 : __s2.data(), __s2.data() + __s2.length()) < 0);
74 : }
75 :
76 : /**
77 : * @brief Test for the presence of a facet.
78 : *
79 : * has_facet tests the locale argument for the presence of the facet type
80 : * provided as the template parameter. Facets derived from the facet
81 : * parameter will also return true.
82 : *
83 : * @param Facet The facet type to test the presence of.
84 : * @param locale The locale to test.
85 : * @return true if locale contains a facet of type Facet, else false.
86 : */
87 : template<typename _Facet>
88 : inline bool
89 : has_facet(const locale& __loc) throw()
90 : {
91 : const size_t __i = _Facet::id._M_id();
92 : const locale::facet** __facets = __loc._M_impl->_M_facets;
93 : return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
94 : }
95 :
96 : /**
97 : * @brief Return a facet.
98 : *
99 : * use_facet looks for and returns a reference to a facet of type Facet
100 : * where Facet is the template parameter. If has_facet(locale) is true,
101 : * there is a suitable facet to return. It throws std::bad_cast if the
102 : * locale doesn't contain a facet of type Facet.
103 : *
104 : * @param Facet The facet type to access.
105 : * @param locale The locale to use.
106 : * @return Reference to facet of type Facet.
107 : * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
108 : */
109 : template<typename _Facet>
110 : inline const _Facet&
111 : use_facet(const locale& __loc)
112 : {
113 : const size_t __i = _Facet::id._M_id();
114 : const locale::facet** __facets = __loc._M_impl->_M_facets;
115 : if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
116 : __throw_bad_cast();
117 : return static_cast<const _Facet&>(*__facets[__i]);
118 : }
119 :
120 : // Routine to access a cache for the facet. If the cache didn't
121 : // exist before, it gets constructed on the fly.
122 : template<typename _Facet>
123 : struct __use_cache
124 : {
125 : const _Facet*
126 : operator() (const locale& __loc) const;
127 : };
128 :
129 : // Specializations.
130 : template<typename _CharT>
131 : struct __use_cache<__numpunct_cache<_CharT> >
132 : {
133 : const __numpunct_cache<_CharT>*
134 : operator() (const locale& __loc) const
135 : {
136 : const size_t __i = numpunct<_CharT>::id._M_id();
137 : const locale::facet** __caches = __loc._M_impl->_M_caches;
138 : if (!__caches[__i])
139 : {
140 : __numpunct_cache<_CharT>* __tmp = NULL;
141 : try
142 : {
143 : __tmp = new __numpunct_cache<_CharT>;
144 : __tmp->_M_cache(__loc);
145 : }
146 : catch(...)
147 : {
148 : delete __tmp;
149 : __throw_exception_again;
150 : }
151 : __loc._M_impl->_M_install_cache(__tmp, __i);
152 : }
153 : return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
154 : }
155 : };
156 :
157 : template<typename _CharT, bool _Intl>
158 : struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
159 : {
160 : const __moneypunct_cache<_CharT, _Intl>*
161 : operator() (const locale& __loc) const
162 : {
163 : const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
164 : const locale::facet** __caches = __loc._M_impl->_M_caches;
165 : if (!__caches[__i])
166 : {
167 : __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
168 : try
169 : {
170 : __tmp = new __moneypunct_cache<_CharT, _Intl>;
171 : __tmp->_M_cache(__loc);
172 : }
173 : catch(...)
174 : {
175 : delete __tmp;
176 : __throw_exception_again;
177 : }
178 : __loc._M_impl->_M_install_cache(__tmp, __i);
179 : }
180 : return static_cast<
181 : const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
182 : }
183 : };
184 :
185 : template<typename _CharT>
186 : void
187 : __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
188 : {
189 : _M_allocated = true;
190 :
191 : const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
192 :
193 : _M_grouping_size = __np.grouping().size();
194 : char* __grouping = new char[_M_grouping_size];
195 : __np.grouping().copy(__grouping, _M_grouping_size);
196 : _M_grouping = __grouping;
197 : _M_use_grouping = (_M_grouping_size
198 : && static_cast<signed char>(__np.grouping()[0]) > 0);
199 :
200 : _M_truename_size = __np.truename().size();
201 : _CharT* __truename = new _CharT[_M_truename_size];
202 : __np.truename().copy(__truename, _M_truename_size);
203 : _M_truename = __truename;
204 :
205 : _M_falsename_size = __np.falsename().size();
206 : _CharT* __falsename = new _CharT[_M_falsename_size];
207 : __np.falsename().copy(__falsename, _M_falsename_size);
208 : _M_falsename = __falsename;
209 :
210 : _M_decimal_point = __np.decimal_point();
211 : _M_thousands_sep = __np.thousands_sep();
212 :
213 : const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
214 : __ct.widen(__num_base::_S_atoms_out,
215 : __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
216 : __ct.widen(__num_base::_S_atoms_in,
217 : __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
218 : }
219 :
220 : template<typename _CharT, bool _Intl>
221 : void
222 : __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
223 : {
224 : _M_allocated = true;
225 :
226 : const moneypunct<_CharT, _Intl>& __mp =
227 : use_facet<moneypunct<_CharT, _Intl> >(__loc);
228 :
229 : _M_grouping_size = __mp.grouping().size();
230 : char* __grouping = new char[_M_grouping_size];
231 : __mp.grouping().copy(__grouping, _M_grouping_size);
232 : _M_grouping = __grouping;
233 : _M_use_grouping = (_M_grouping_size
234 : && static_cast<signed char>(__mp.grouping()[0]) > 0);
235 :
236 : _M_decimal_point = __mp.decimal_point();
237 : _M_thousands_sep = __mp.thousands_sep();
238 : _M_frac_digits = __mp.frac_digits();
239 :
240 : _M_curr_symbol_size = __mp.curr_symbol().size();
241 : _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
242 : __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
243 : _M_curr_symbol = __curr_symbol;
244 :
245 : _M_positive_sign_size = __mp.positive_sign().size();
246 : _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
247 : __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
248 : _M_positive_sign = __positive_sign;
249 :
250 : _M_negative_sign_size = __mp.negative_sign().size();
251 : _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
252 : __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
253 : _M_negative_sign = __negative_sign;
254 :
255 : _M_pos_format = __mp.pos_format();
256 : _M_neg_format = __mp.neg_format();
257 :
258 : const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
259 : __ct.widen(money_base::_S_atoms,
260 : money_base::_S_atoms + money_base::_S_end, _M_atoms);
261 : }
262 :
263 :
264 : // Used by both numeric and monetary facets.
265 : // Check to make sure that the __grouping_tmp string constructed in
266 : // money_get or num_get matches the canonical grouping for a given
267 : // locale.
268 : // __grouping_tmp is parsed L to R
269 : // 1,222,444 == __grouping_tmp of "\1\3\3"
270 : // __grouping is parsed R to L
271 : // 1,222,444 == __grouping of "\3" == "\3\3\3"
272 : static bool
273 : __verify_grouping(const char* __grouping, size_t __grouping_size,
274 : const string& __grouping_tmp);
275 :
276 : _GLIBCXX_BEGIN_LDBL_NAMESPACE
277 :
278 : template<typename _CharT, typename _InIter>
279 : _InIter
280 : num_get<_CharT, _InIter>::
281 : _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
282 : ios_base::iostate& __err, string& __xtrc) const
283 : {
284 : typedef char_traits<_CharT> __traits_type;
285 : typedef __numpunct_cache<_CharT> __cache_type;
286 : __use_cache<__cache_type> __uc;
287 : const locale& __loc = __io._M_getloc();
288 : const __cache_type* __lc = __uc(__loc);
289 : const _CharT* __lit = __lc->_M_atoms_in;
290 : char_type __c = char_type();
291 :
292 : // True if __beg becomes equal to __end.
293 : bool __testeof = __beg == __end;
294 :
295 : // First check for sign.
296 : if (!__testeof)
297 : {
298 : __c = *__beg;
299 : const bool __plus = __c == __lit[__num_base::_S_iplus];
300 : if ((__plus || __c == __lit[__num_base::_S_iminus])
301 : && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
302 : && !(__c == __lc->_M_decimal_point))
303 : {
304 : __xtrc += __plus ? '+' : '-';
305 : if (++__beg != __end)
306 : __c = *__beg;
307 : else
308 : __testeof = true;
309 : }
310 : }
311 :
312 : // Next, look for leading zeros.
313 : bool __found_mantissa = false;
314 : int __sep_pos = 0;
315 : while (!__testeof)
316 : {
317 : if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
318 : || __c == __lc->_M_decimal_point)
319 : break;
320 : else if (__c == __lit[__num_base::_S_izero])
321 : {
322 : if (!__found_mantissa)
323 : {
324 : __xtrc += '0';
325 : __found_mantissa = true;
326 : }
327 : ++__sep_pos;
328 :
329 : if (++__beg != __end)
330 : __c = *__beg;
331 : else
332 : __testeof = true;
333 : }
334 : else
335 : break;
336 : }
337 :
338 : // Only need acceptable digits for floating point numbers.
339 : bool __found_dec = false;
340 : bool __found_sci = false;
341 : string __found_grouping;
342 : if (__lc->_M_use_grouping)
343 : __found_grouping.reserve(32);
344 : const char_type* __lit_zero = __lit + __num_base::_S_izero;
345 :
346 : if (!__lc->_M_allocated)
347 : // "C" locale
348 : while (!__testeof)
349 : {
350 : const int __digit = _M_find(__lit_zero, 10, __c);
351 : if (__digit != -1)
352 : {
353 : __xtrc += '0' + __digit;
354 : __found_mantissa = true;
355 : }
356 : else if (__c == __lc->_M_decimal_point
357 : && !__found_dec && !__found_sci)
358 : {
359 : __xtrc += '.';
360 : __found_dec = true;
361 : }
362 : else if ((__c == __lit[__num_base::_S_ie]
363 : || __c == __lit[__num_base::_S_iE])
364 : && !__found_sci && __found_mantissa)
365 : {
366 : // Scientific notation.
367 : __xtrc += 'e';
368 : __found_sci = true;
369 :
370 : // Remove optional plus or minus sign, if they exist.
371 : if (++__beg != __end)
372 : {
373 : __c = *__beg;
374 : const bool __plus = __c == __lit[__num_base::_S_iplus];
375 : if (__plus || __c == __lit[__num_base::_S_iminus])
376 : __xtrc += __plus ? '+' : '-';
377 : else
378 : continue;
379 : }
380 : else
381 : {
382 : __testeof = true;
383 : break;
384 : }
385 : }
386 : else
387 : break;
388 :
389 : if (++__beg != __end)
390 : __c = *__beg;
391 : else
392 : __testeof = true;
393 : }
394 : else
395 : while (!__testeof)
396 : {
397 : // According to 22.2.2.1.2, p8-9, first look for thousands_sep
398 : // and decimal_point.
399 : if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
400 : {
401 : if (!__found_dec && !__found_sci)
402 : {
403 : // NB: Thousands separator at the beginning of a string
404 : // is a no-no, as is two consecutive thousands separators.
405 : if (__sep_pos)
406 : {
407 : __found_grouping += static_cast<char>(__sep_pos);
408 : __sep_pos = 0;
409 : }
410 : else
411 : {
412 : // NB: __convert_to_v will not assign __v and will
413 : // set the failbit.
414 : __xtrc.clear();
415 : break;
416 : }
417 : }
418 : else
419 : break;
420 : }
421 : else if (__c == __lc->_M_decimal_point)
422 : {
423 : if (!__found_dec && !__found_sci)
424 : {
425 : // If no grouping chars are seen, no grouping check
426 : // is applied. Therefore __found_grouping is adjusted
427 : // only if decimal_point comes after some thousands_sep.
428 : if (__found_grouping.size())
429 : __found_grouping += static_cast<char>(__sep_pos);
430 : __xtrc += '.';
431 : __found_dec = true;
432 : }
433 : else
434 : break;
435 : }
436 : else
437 : {
438 : const char_type* __q =
439 : __traits_type::find(__lit_zero, 10, __c);
440 : if (__q)
441 : {
442 : __xtrc += '0' + (__q - __lit_zero);
443 : __found_mantissa = true;
444 : ++__sep_pos;
445 : }
446 : else if ((__c == __lit[__num_base::_S_ie]
447 : || __c == __lit[__num_base::_S_iE])
448 : && !__found_sci && __found_mantissa)
449 : {
450 : // Scientific notation.
451 : if (__found_grouping.size() && !__found_dec)
452 : __found_grouping += static_cast<char>(__sep_pos);
453 : __xtrc += 'e';
454 : __found_sci = true;
455 :
456 : // Remove optional plus or minus sign, if they exist.
457 : if (++__beg != __end)
458 : {
459 : __c = *__beg;
460 : const bool __plus = __c == __lit[__num_base::_S_iplus];
461 : if ((__plus || __c == __lit[__num_base::_S_iminus])
462 : && !(__lc->_M_use_grouping
463 : && __c == __lc->_M_thousands_sep)
464 : && !(__c == __lc->_M_decimal_point))
465 : __xtrc += __plus ? '+' : '-';
466 : else
467 : continue;
468 : }
469 : else
470 : {
471 : __testeof = true;
472 : break;
473 : }
474 : }
475 : else
476 : break;
477 : }
478 :
479 : if (++__beg != __end)
480 : __c = *__beg;
481 : else
482 : __testeof = true;
483 : }
484 :
485 : // Digit grouping is checked. If grouping and found_grouping don't
486 : // match, then get very very upset, and set failbit.
487 : if (__found_grouping.size())
488 : {
489 : // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
490 : if (!__found_dec && !__found_sci)
491 : __found_grouping += static_cast<char>(__sep_pos);
492 :
493 : if (!std::__verify_grouping(__lc->_M_grouping,
494 : __lc->_M_grouping_size,
495 : __found_grouping))
496 : __err |= ios_base::failbit;
497 : }
498 :
499 : // Finish up.
500 : if (__testeof)
501 : __err |= ios_base::eofbit;
502 : return __beg;
503 : }
504 :
505 : _GLIBCXX_END_LDBL_NAMESPACE
506 :
507 : _GLIBCXX_BEGIN_LDBL_NAMESPACE
508 :
509 : template<typename _CharT, typename _InIter>
510 : template<typename _ValueT>
511 : _InIter
512 : num_get<_CharT, _InIter>::
513 : _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
514 : ios_base::iostate& __err, _ValueT& __v) const
515 : {
516 : typedef char_traits<_CharT> __traits_type;
517 : using __gnu_cxx::__add_unsigned;
518 : typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
519 : typedef __numpunct_cache<_CharT> __cache_type;
520 : __use_cache<__cache_type> __uc;
521 : const locale& __loc = __io._M_getloc();
522 : const __cache_type* __lc = __uc(__loc);
523 : const _CharT* __lit = __lc->_M_atoms_in;
524 : char_type __c = char_type();
525 :
526 : // NB: Iff __basefield == 0, __base can change based on contents.
527 : const ios_base::fmtflags __basefield = __io.flags()
528 : & ios_base::basefield;
529 : const bool __oct = __basefield == ios_base::oct;
530 : int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
531 :
532 : // True if __beg becomes equal to __end.
533 : bool __testeof = __beg == __end;
534 :
535 : // First check for sign.
536 : bool __negative = false;
537 : if (!__testeof)
538 : {
539 : __c = *__beg;
540 : if (numeric_limits<_ValueT>::is_signed)
541 : __negative = __c == __lit[__num_base::_S_iminus];
542 : if ((__negative || __c == __lit[__num_base::_S_iplus])
543 : && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
544 : && !(__c == __lc->_M_decimal_point))
545 : {
546 : if (++__beg != __end)
547 : __c = *__beg;
548 : else
549 : __testeof = true;
550 : }
551 : }
552 :
553 : // Next, look for leading zeros and check required digits
554 : // for base formats.
555 : bool __found_zero = false;
556 : int __sep_pos = 0;
557 : while (!__testeof)
558 : {
559 : if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
560 : || __c == __lc->_M_decimal_point)
561 : break;
562 : else if (__c == __lit[__num_base::_S_izero]
563 : && (!__found_zero || __base == 10))
564 : {
565 : __found_zero = true;
566 : ++__sep_pos;
567 : if (__basefield == 0)
568 : __base = 8;
569 : if (__base == 8)
570 : __sep_pos = 0;
571 : }
572 : else if (__found_zero
573 : && (__c == __lit[__num_base::_S_ix]
574 : || __c == __lit[__num_base::_S_iX]))
575 : {
576 : if (__basefield == 0)
577 : __base = 16;
578 : if (__base == 16)
579 : {
580 : __found_zero = false;
581 : __sep_pos = 0;
582 : }
583 : else
584 : break;
585 : }
586 : else
587 : break;
588 :
589 : if (++__beg != __end)
590 : {
591 : __c = *__beg;
592 : if (!__found_zero)
593 : break;
594 : }
595 : else
596 : __testeof = true;
597 : }
598 :
599 : // At this point, base is determined. If not hex, only allow
600 : // base digits as valid input.
601 : const size_t __len = (__base == 16 ? __num_base::_S_iend
602 : - __num_base::_S_izero : __base);
603 :
604 : // Extract.
605 : string __found_grouping;
606 : if (__lc->_M_use_grouping)
607 : __found_grouping.reserve(32);
608 : bool __testfail = false;
609 : const __unsigned_type __max = __negative ?
610 : -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
611 : const __unsigned_type __smax = __max / __base;
612 : __unsigned_type __result = 0;
613 : int __digit = 0;
614 : const char_type* __lit_zero = __lit + __num_base::_S_izero;
615 :
616 : if (!__lc->_M_allocated)
617 : // "C" locale
618 : while (!__testeof)
619 : {
620 : __digit = _M_find(__lit_zero, __len, __c);
621 : if (__digit == -1)
622 : break;
623 :
624 : if (__result > __smax)
625 : __testfail = true;
626 : else
627 : {
628 : __result *= __base;
629 : __testfail |= __result > __max - __digit;
630 : __result += __digit;
631 : ++__sep_pos;
632 : }
633 :
634 : if (++__beg != __end)
635 : __c = *__beg;
636 : else
637 : __testeof = true;
638 : }
639 : else
640 : while (!__testeof)
641 : {
642 : // According to 22.2.2.1.2, p8-9, first look for thousands_sep
643 : // and decimal_point.
644 : if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
645 : {
646 : // NB: Thousands separator at the beginning of a string
647 : // is a no-no, as is two consecutive thousands separators.
648 : if (__sep_pos)
649 : {
650 : __found_grouping += static_cast<char>(__sep_pos);
651 : __sep_pos = 0;
652 : }
653 : else
654 : {
655 : __testfail = true;
656 : break;
657 : }
658 : }
659 : else if (__c == __lc->_M_decimal_point)
660 : break;
661 : else
662 : {
663 : const char_type* __q =
664 : __traits_type::find(__lit_zero, __len, __c);
665 : if (!__q)
666 : break;
667 :
668 : __digit = __q - __lit_zero;
669 : if (__digit > 15)
670 : __digit -= 6;
671 : if (__result > __smax)
672 : __testfail = true;
673 : else
674 : {
675 : __result *= __base;
676 : __testfail |= __result > __max - __digit;
677 : __result += __digit;
678 : ++__sep_pos;
679 : }
680 : }
681 :
682 : if (++__beg != __end)
683 : __c = *__beg;
684 : else
685 : __testeof = true;
686 : }
687 :
688 : // Digit grouping is checked. If grouping and found_grouping don't
689 : // match, then get very very upset, and set failbit.
690 : if (__found_grouping.size())
691 : {
692 : // Add the ending grouping.
693 : __found_grouping += static_cast<char>(__sep_pos);
694 :
695 : if (!std::__verify_grouping(__lc->_M_grouping,
696 : __lc->_M_grouping_size,
697 : __found_grouping))
698 : __err |= ios_base::failbit;
699 : }
700 :
701 : if (!__testfail && (__sep_pos || __found_zero
702 : || __found_grouping.size()))
703 : __v = __negative ? -__result : __result;
704 : else
705 : __err |= ios_base::failbit;
706 :
707 : if (__testeof)
708 : __err |= ios_base::eofbit;
709 : return __beg;
710 : }
711 :
712 : // _GLIBCXX_RESOLVE_LIB_DEFECTS
713 : // 17. Bad bool parsing
714 : template<typename _CharT, typename _InIter>
715 : _InIter
716 : num_get<_CharT, _InIter>::
717 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
718 : ios_base::iostate& __err, bool& __v) const
719 : {
720 : if (!(__io.flags() & ios_base::boolalpha))
721 : {
722 : // Parse bool values as long.
723 : // NB: We can't just call do_get(long) here, as it might
724 : // refer to a derived class.
725 : long __l = -1;
726 : __beg = _M_extract_int(__beg, __end, __io, __err, __l);
727 : if (__l == 0 || __l == 1)
728 : __v = __l;
729 : else
730 : __err |= ios_base::failbit;
731 : }
732 : else
733 : {
734 : // Parse bool values as alphanumeric.
735 : typedef __numpunct_cache<_CharT> __cache_type;
736 : __use_cache<__cache_type> __uc;
737 : const locale& __loc = __io._M_getloc();
738 : const __cache_type* __lc = __uc(__loc);
739 :
740 : bool __testf = true;
741 : bool __testt = true;
742 : size_t __n;
743 : bool __testeof = __beg == __end;
744 : for (__n = 0; !__testeof; ++__n)
745 : {
746 : const char_type __c = *__beg;
747 :
748 : if (__testf)
749 : if (__n < __lc->_M_falsename_size)
750 : __testf = __c == __lc->_M_falsename[__n];
751 : else
752 : break;
753 :
754 : if (__testt)
755 : if (__n < __lc->_M_truename_size)
756 : __testt = __c == __lc->_M_truename[__n];
757 : else
758 : break;
759 :
760 : if (!__testf && !__testt)
761 : break;
762 :
763 : if (++__beg == __end)
764 : __testeof = true;
765 : }
766 : if (__testf && __n == __lc->_M_falsename_size)
767 : __v = 0;
768 : else if (__testt && __n == __lc->_M_truename_size)
769 : __v = 1;
770 : else
771 : __err |= ios_base::failbit;
772 :
773 : if (__testeof)
774 : __err |= ios_base::eofbit;
775 : }
776 : return __beg;
777 : }
778 :
779 : template<typename _CharT, typename _InIter>
780 : _InIter
781 : num_get<_CharT, _InIter>::
782 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
783 : ios_base::iostate& __err, long& __v) const
784 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
785 :
786 : template<typename _CharT, typename _InIter>
787 : _InIter
788 : num_get<_CharT, _InIter>::
789 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
790 : ios_base::iostate& __err, unsigned short& __v) const
791 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
792 :
793 : template<typename _CharT, typename _InIter>
794 : _InIter
795 : num_get<_CharT, _InIter>::
796 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
797 : ios_base::iostate& __err, unsigned int& __v) const
798 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
799 :
800 : template<typename _CharT, typename _InIter>
801 : _InIter
802 : num_get<_CharT, _InIter>::
803 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
804 : ios_base::iostate& __err, unsigned long& __v) const
805 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
806 :
807 : #ifdef _GLIBCXX_USE_LONG_LONG
808 : template<typename _CharT, typename _InIter>
809 : _InIter
810 : num_get<_CharT, _InIter>::
811 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
812 : ios_base::iostate& __err, long long& __v) const
813 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
814 :
815 : template<typename _CharT, typename _InIter>
816 : _InIter
817 : num_get<_CharT, _InIter>::
818 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
819 : ios_base::iostate& __err, unsigned long long& __v) const
820 : { return _M_extract_int(__beg, __end, __io, __err, __v); }
821 : #endif
822 :
823 : template<typename _CharT, typename _InIter>
824 : _InIter
825 : num_get<_CharT, _InIter>::
826 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
827 : ios_base::iostate& __err, float& __v) const
828 : {
829 : string __xtrc;
830 : __xtrc.reserve(32);
831 : __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
832 : std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
833 : return __beg;
834 : }
835 :
836 : template<typename _CharT, typename _InIter>
837 : _InIter
838 : num_get<_CharT, _InIter>::
839 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
840 : ios_base::iostate& __err, double& __v) const
841 : {
842 : string __xtrc;
843 : __xtrc.reserve(32);
844 : __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
845 : std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
846 : return __beg;
847 : }
848 :
849 : #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
850 : template<typename _CharT, typename _InIter>
851 : _InIter
852 : num_get<_CharT, _InIter>::
853 : __do_get(iter_type __beg, iter_type __end, ios_base& __io,
854 : ios_base::iostate& __err, double& __v) const
855 : {
856 : string __xtrc;
857 : __xtrc.reserve(32);
858 : __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
859 : std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
860 : return __beg;
861 : }
862 : #endif
863 :
864 : template<typename _CharT, typename _InIter>
865 : _InIter
866 : num_get<_CharT, _InIter>::
867 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
868 : ios_base::iostate& __err, long double& __v) const
869 : {
870 : string __xtrc;
871 : __xtrc.reserve(32);
872 : __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
873 : std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
874 : return __beg;
875 : }
876 :
877 : template<typename _CharT, typename _InIter>
878 : _InIter
879 : num_get<_CharT, _InIter>::
880 : do_get(iter_type __beg, iter_type __end, ios_base& __io,
881 : ios_base::iostate& __err, void*& __v) const
882 : {
883 : // Prepare for hex formatted input.
884 : typedef ios_base::fmtflags fmtflags;
885 : const fmtflags __fmt = __io.flags();
886 : __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
887 :
888 : unsigned long __ul;
889 : __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
890 :
891 : // Reset from hex formatted input.
892 : __io.flags(__fmt);
893 :
894 : if (!(__err & ios_base::failbit))
895 : __v = reinterpret_cast<void*>(__ul);
896 : return __beg;
897 : }
898 :
899 : // For use by integer and floating-point types after they have been
900 : // converted into a char_type string.
901 : template<typename _CharT, typename _OutIter>
902 : void
903 : num_put<_CharT, _OutIter>::
904 : _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
905 : _CharT* __new, const _CharT* __cs, int& __len) const
906 : {
907 : // [22.2.2.2.2] Stage 3.
908 : // If necessary, pad.
909 : __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
910 : __w, __len, true);
911 : __len = static_cast<int>(__w);
912 : }
913 :
914 : _GLIBCXX_END_LDBL_NAMESPACE
915 :
916 : template<typename _CharT, typename _ValueT>
917 : int
918 : __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
919 : ios_base::fmtflags __flags, bool __dec)
920 : {
921 : _CharT* __buf = __bufend;
922 : if (__builtin_expect(__dec, true))
923 : {
924 : // Decimal.
925 : do
926 : {
927 : *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
928 : __v /= 10;
929 : }
930 : while (__v != 0);
931 : }
932 : else if ((__flags & ios_base::basefield) == ios_base::oct)
933 : {
934 : // Octal.
935 : do
936 : {
937 : *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
938 : __v >>= 3;
939 : }
940 : while (__v != 0);
941 : }
942 : else
943 : {
944 : // Hex.
945 : const bool __uppercase = __flags & ios_base::uppercase;
946 : const int __case_offset = __uppercase ? __num_base::_S_oudigits
947 : : __num_base::_S_odigits;
948 : do
949 : {
950 : *--__buf = __lit[(__v & 0xf) + __case_offset];
951 : __v >>= 4;
952 : }
953 : while (__v != 0);
954 : }
955 : return __bufend - __buf;
956 : }
957 :
958 : _GLIBCXX_BEGIN_LDBL_NAMESPACE
959 :
960 : template<typename _CharT, typename _OutIter>
961 : void
962 : num_put<_CharT, _OutIter>::
963 : _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
964 : ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
965 : {
966 : _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
967 : __grouping_size, __cs, __cs + __len);
968 : __len = __p - __new;
969 : }
970 :
971 : template<typename _CharT, typename _OutIter>
972 : template<typename _ValueT>
973 : _OutIter
974 : num_put<_CharT, _OutIter>::
975 : _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
976 : _ValueT __v) const
977 : {
978 : using __gnu_cxx::__add_unsigned;
979 : typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
980 : typedef __numpunct_cache<_CharT> __cache_type;
981 : __use_cache<__cache_type> __uc;
982 : const locale& __loc = __io._M_getloc();
983 : const __cache_type* __lc = __uc(__loc);
984 : const _CharT* __lit = __lc->_M_atoms_out;
985 : const ios_base::fmtflags __flags = __io.flags();
986 :
987 : // Long enough to hold hex, dec, and octal representations.
988 : const int __ilen = 5 * sizeof(_ValueT);
989 : _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
990 : * __ilen));
991 :
992 : // [22.2.2.2.2] Stage 1, numeric conversion to character.
993 : // Result is returned right-justified in the buffer.
994 : const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
995 : const bool __dec = (__basefield != ios_base::oct
996 : && __basefield != ios_base::hex);
997 : const __unsigned_type __u = (__v > 0 || !__dec) ? __v : -__v;
998 : int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
999 : __cs += __ilen - __len;
1000 :
1001 : // Add grouping, if necessary.
1002 : if (__lc->_M_use_grouping)
1003 : {
1004 : // Grouping can add (almost) as many separators as the number
1005 : // of digits + space is reserved for numeric base or sign.
1006 : _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1007 : * (__len + 1)
1008 : * 2));
1009 : _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1010 : __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1011 : __cs = __cs2 + 2;
1012 : }
1013 :
1014 : // Complete Stage 1, prepend numeric base or sign.
1015 : if (__builtin_expect(__dec, true))
1016 : {
1017 : // Decimal.
1018 : if (__v > 0)
1019 : {
1020 : if (__flags & ios_base::showpos
1021 : && numeric_limits<_ValueT>::is_signed)
1022 : *--__cs = __lit[__num_base::_S_oplus], ++__len;
1023 : }
1024 : else if (__v)
1025 : *--__cs = __lit[__num_base::_S_ominus], ++__len;
1026 : }
1027 : else if (__flags & ios_base::showbase && __v)
1028 : {
1029 : if (__basefield == ios_base::oct)
1030 : *--__cs = __lit[__num_base::_S_odigits], ++__len;
1031 : else
1032 : {
1033 : // 'x' or 'X'
1034 : const bool __uppercase = __flags & ios_base::uppercase;
1035 : *--__cs = __lit[__num_base::_S_ox + __uppercase];
1036 : // '0'
1037 : *--__cs = __lit[__num_base::_S_odigits];
1038 : __len += 2;
1039 : }
1040 : }
1041 :
1042 : // Pad.
1043 : const streamsize __w = __io.width();
1044 : if (__w > static_cast<streamsize>(__len))
1045 : {
1046 : _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1047 : * __w));
1048 : _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1049 : __cs = __cs3;
1050 : }
1051 : __io.width(0);
1052 :
1053 : // [22.2.2.2.2] Stage 4.
1054 : // Write resulting, fully-formatted string to output iterator.
1055 : return std::__write(__s, __cs, __len);
1056 : }
1057 :
1058 : template<typename _CharT, typename _OutIter>
1059 : void
1060 : num_put<_CharT, _OutIter>::
1061 : _M_group_float(const char* __grouping, size_t __grouping_size,
1062 : _CharT __sep, const _CharT* __p, _CharT* __new,
1063 : _CharT* __cs, int& __len) const
1064 : {
1065 : // _GLIBCXX_RESOLVE_LIB_DEFECTS
1066 : // 282. What types does numpunct grouping refer to?
1067 : // Add grouping, if necessary.
1068 : const int __declen = __p ? __p - __cs : __len;
1069 : _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1070 : __grouping_size,
1071 : __cs, __cs + __declen);
1072 :
1073 : // Tack on decimal part.
1074 : int __newlen = __p2 - __new;
1075 : if (__p)
1076 : {
1077 : char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1078 : __newlen += __len - __declen;
1079 : }
1080 : __len = __newlen;
1081 : }
1082 :
1083 : // The following code uses vsnprintf (or vsprintf(), when
1084 : // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1085 : // for insertion into a stream. An optimization would be to replace
1086 : // them with code that works directly on a wide buffer and then use
1087 : // __pad to do the padding. It would be good to replace them anyway
1088 : // to gain back the efficiency that C++ provides by knowing up front
1089 : // the type of the values to insert. Also, sprintf is dangerous
1090 : // since may lead to accidental buffer overruns. This
1091 : // implementation follows the C++ standard fairly directly as
1092 : // outlined in 22.2.2.2 [lib.locale.num.put]
1093 : template<typename _CharT, typename _OutIter>
1094 : template<typename _ValueT>
1095 : _OutIter
1096 : num_put<_CharT, _OutIter>::
1097 : _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1098 : _ValueT __v) const
1099 : {
1100 : typedef __numpunct_cache<_CharT> __cache_type;
1101 : __use_cache<__cache_type> __uc;
1102 : const locale& __loc = __io._M_getloc();
1103 : const __cache_type* __lc = __uc(__loc);
1104 :
1105 : // Use default precision if out of range.
1106 : const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
1107 :
1108 : const int __max_digits = numeric_limits<_ValueT>::digits10;
1109 :
1110 : // [22.2.2.2.2] Stage 1, numeric conversion to character.
1111 : int __len;
1112 : // Long enough for the max format spec.
1113 : char __fbuf[16];
1114 : __num_base::_S_format_float(__io, __fbuf, __mod);
1115 :
1116 : #ifdef _GLIBCXX_USE_C99
1117 : // First try a buffer perhaps big enough (most probably sufficient
1118 : // for non-ios_base::fixed outputs)
1119 : int __cs_size = __max_digits * 3;
1120 : char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1121 : __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1122 : __fbuf, __prec, __v);
1123 :
1124 : // If the buffer was not large enough, try again with the correct size.
1125 : if (__len >= __cs_size)
1126 : {
1127 : __cs_size = __len + 1;
1128 : __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1129 : __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1130 : __fbuf, __prec, __v);
1131 : }
1132 : #else
1133 : // Consider the possibility of long ios_base::fixed outputs
1134 : const bool __fixed = __io.flags() & ios_base::fixed;
1135 : const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1136 :
1137 : // The size of the output string is computed as follows.
1138 : // ios_base::fixed outputs may need up to __max_exp + 1 chars
1139 : // for the integer part + __prec chars for the fractional part
1140 : // + 3 chars for sign, decimal point, '\0'. On the other hand,
1141 : // for non-fixed outputs __max_digits * 2 + __prec chars are
1142 : // largely sufficient.
1143 : const int __cs_size = __fixed ? __max_exp + __prec + 4
1144 : : __max_digits * 2 + __prec;
1145 : char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1146 : __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1147 : __prec, __v);
1148 : #endif
1149 :
1150 : // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1151 : // numpunct.decimal_point() values for '.' and adding grouping.
1152 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1153 :
1154 : _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1155 : * __len));
1156 : __ctype.widen(__cs, __cs + __len, __ws);
1157 :
1158 : // Replace decimal point.
1159 : _CharT* __wp = 0;
1160 : const char* __p = char_traits<char>::find(__cs, __len, '.');
1161 : if (__p)
1162 : {
1163 : __wp = __ws + (__p - __cs);
1164 : *__wp = __lc->_M_decimal_point;
1165 : }
1166 :
1167 : // Add grouping, if necessary.
1168 : // N.B. Make sure to not group things like 2e20, i.e., no decimal
1169 : // point, scientific notation.
1170 : if (__lc->_M_use_grouping
1171 : && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1172 : && __cs[1] >= '0' && __cs[2] >= '0')))
1173 : {
1174 : // Grouping can add (almost) as many separators as the
1175 : // number of digits, but no more.
1176 : _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1177 : * __len * 2));
1178 :
1179 : streamsize __off = 0;
1180 : if (__cs[0] == '-' || __cs[0] == '+')
1181 : {
1182 : __off = 1;
1183 : __ws2[0] = __ws[0];
1184 : __len -= 1;
1185 : }
1186 :
1187 : _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1188 : __lc->_M_thousands_sep, __wp, __ws2 + __off,
1189 : __ws + __off, __len);
1190 : __len += __off;
1191 :
1192 : __ws = __ws2;
1193 : }
1194 :
1195 : // Pad.
1196 : const streamsize __w = __io.width();
1197 : if (__w > static_cast<streamsize>(__len))
1198 : {
1199 : _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1200 : * __w));
1201 : _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1202 : __ws = __ws3;
1203 : }
1204 : __io.width(0);
1205 :
1206 : // [22.2.2.2.2] Stage 4.
1207 : // Write resulting, fully-formatted string to output iterator.
1208 : return std::__write(__s, __ws, __len);
1209 : }
1210 :
1211 : template<typename _CharT, typename _OutIter>
1212 : _OutIter
1213 : num_put<_CharT, _OutIter>::
1214 : do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1215 : {
1216 : const ios_base::fmtflags __flags = __io.flags();
1217 : if ((__flags & ios_base::boolalpha) == 0)
1218 : {
1219 : const long __l = __v;
1220 : __s = _M_insert_int(__s, __io, __fill, __l);
1221 : }
1222 : else
1223 : {
1224 : typedef __numpunct_cache<_CharT> __cache_type;
1225 : __use_cache<__cache_type> __uc;
1226 : const locale& __loc = __io._M_getloc();
1227 : const __cache_type* __lc = __uc(__loc);
1228 :
1229 : const _CharT* __name = __v ? __lc->_M_truename
1230 : : __lc->_M_falsename;
1231 : int __len = __v ? __lc->_M_truename_size
1232 : : __lc->_M_falsename_size;
1233 :
1234 : const streamsize __w = __io.width();
1235 : if (__w > static_cast<streamsize>(__len))
1236 : {
1237 : _CharT* __cs
1238 : = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1239 : * __w));
1240 : _M_pad(__fill, __w, __io, __cs, __name, __len);
1241 : __name = __cs;
1242 : }
1243 : __io.width(0);
1244 : __s = std::__write(__s, __name, __len);
1245 : }
1246 : return __s;
1247 : }
1248 :
1249 : template<typename _CharT, typename _OutIter>
1250 : _OutIter
1251 : num_put<_CharT, _OutIter>::
1252 : do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1253 : { return _M_insert_int(__s, __io, __fill, __v); }
1254 :
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,
1259 : unsigned long __v) const
1260 : { return _M_insert_int(__s, __io, __fill, __v); }
1261 :
1262 : #ifdef _GLIBCXX_USE_LONG_LONG
1263 : template<typename _CharT, typename _OutIter>
1264 : _OutIter
1265 : num_put<_CharT, _OutIter>::
1266 : do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1267 : { return _M_insert_int(__s, __io, __fill, __v); }
1268 :
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 : unsigned long long __v) const
1274 : { return _M_insert_int(__s, __io, __fill, __v); }
1275 : #endif
1276 :
1277 : template<typename _CharT, typename _OutIter>
1278 : _OutIter
1279 : num_put<_CharT, _OutIter>::
1280 : do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1281 : { return _M_insert_float(__s, __io, __fill, char(), __v); }
1282 :
1283 : #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1284 : template<typename _CharT, typename _OutIter>
1285 : _OutIter
1286 : num_put<_CharT, _OutIter>::
1287 : __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1288 : { return _M_insert_float(__s, __io, __fill, char(), __v); }
1289 : #endif
1290 :
1291 : template<typename _CharT, typename _OutIter>
1292 : _OutIter
1293 : num_put<_CharT, _OutIter>::
1294 : do_put(iter_type __s, ios_base& __io, char_type __fill,
1295 : long double __v) const
1296 : { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1297 :
1298 : template<typename _CharT, typename _OutIter>
1299 : _OutIter
1300 : num_put<_CharT, _OutIter>::
1301 : do_put(iter_type __s, ios_base& __io, char_type __fill,
1302 : const void* __v) const
1303 : {
1304 : const ios_base::fmtflags __flags = __io.flags();
1305 : const ios_base::fmtflags __fmt = ~(ios_base::basefield
1306 : | ios_base::uppercase
1307 : | ios_base::internal);
1308 : __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1309 :
1310 : __s = _M_insert_int(__s, __io, __fill,
1311 : reinterpret_cast<unsigned long>(__v));
1312 : __io.flags(__flags);
1313 : return __s;
1314 : }
1315 :
1316 : template<typename _CharT, typename _InIter>
1317 : template<bool _Intl>
1318 : _InIter
1319 : money_get<_CharT, _InIter>::
1320 : _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1321 : ios_base::iostate& __err, string& __units) const
1322 : {
1323 : typedef char_traits<_CharT> __traits_type;
1324 : typedef typename string_type::size_type size_type;
1325 : typedef money_base::part part;
1326 : typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1327 :
1328 : const locale& __loc = __io._M_getloc();
1329 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1330 :
1331 : __use_cache<__cache_type> __uc;
1332 : const __cache_type* __lc = __uc(__loc);
1333 : const char_type* __lit = __lc->_M_atoms;
1334 :
1335 : // Deduced sign.
1336 : bool __negative = false;
1337 : // Sign size.
1338 : size_type __sign_size = 0;
1339 : // True if sign is mandatory.
1340 : const bool __mandatory_sign = (__lc->_M_positive_sign_size
1341 : && __lc->_M_negative_sign_size);
1342 : // String of grouping info from thousands_sep plucked from __units.
1343 : string __grouping_tmp;
1344 : if (__lc->_M_use_grouping)
1345 : __grouping_tmp.reserve(32);
1346 : // Last position before the decimal point.
1347 : int __last_pos = 0;
1348 : // Separator positions, then, possibly, fractional digits.
1349 : int __n = 0;
1350 : // If input iterator is in a valid state.
1351 : bool __testvalid = true;
1352 : // Flag marking when a decimal point is found.
1353 : bool __testdecfound = false;
1354 :
1355 : // The tentative returned string is stored here.
1356 : string __res;
1357 : __res.reserve(32);
1358 :
1359 : const char_type* __lit_zero = __lit + money_base::_S_zero;
1360 : const money_base::pattern __p = __lc->_M_neg_format;
1361 : for (int __i = 0; __i < 4 && __testvalid; ++__i)
1362 : {
1363 : const part __which = static_cast<part>(__p.field[__i]);
1364 : switch (__which)
1365 : {
1366 : case money_base::symbol:
1367 : // According to 22.2.6.1.2, p2, symbol is required
1368 : // if (__io.flags() & ios_base::showbase), otherwise
1369 : // is optional and consumed only if other characters
1370 : // are needed to complete the format.
1371 : if (__io.flags() & ios_base::showbase || __sign_size > 1
1372 : || __i == 0
1373 : || (__i == 1 && (__mandatory_sign
1374 : || (static_cast<part>(__p.field[0])
1375 : == money_base::sign)
1376 : || (static_cast<part>(__p.field[2])
1377 : == money_base::space)))
1378 : || (__i == 2 && ((static_cast<part>(__p.field[3])
1379 : == money_base::value)
1380 : || __mandatory_sign
1381 : && (static_cast<part>(__p.field[3])
1382 : == money_base::sign))))
1383 : {
1384 : const size_type __len = __lc->_M_curr_symbol_size;
1385 : size_type __j = 0;
1386 : for (; __beg != __end && __j < __len
1387 : && *__beg == __lc->_M_curr_symbol[__j];
1388 : ++__beg, ++__j);
1389 : if (__j != __len
1390 : && (__j || __io.flags() & ios_base::showbase))
1391 : __testvalid = false;
1392 : }
1393 : break;
1394 : case money_base::sign:
1395 : // Sign might not exist, or be more than one character long.
1396 : if (__lc->_M_positive_sign_size && __beg != __end
1397 : && *__beg == __lc->_M_positive_sign[0])
1398 : {
1399 : __sign_size = __lc->_M_positive_sign_size;
1400 : ++__beg;
1401 : }
1402 : else if (__lc->_M_negative_sign_size && __beg != __end
1403 : && *__beg == __lc->_M_negative_sign[0])
1404 : {
1405 : __negative = true;
1406 : __sign_size = __lc->_M_negative_sign_size;
1407 : ++__beg;
1408 : }
1409 : else if (__lc->_M_positive_sign_size
1410 : && !__lc->_M_negative_sign_size)
1411 : // "... if no sign is detected, the result is given the sign
1412 : // that corresponds to the source of the empty string"
1413 : __negative = true;
1414 : else if (__mandatory_sign)
1415 : __testvalid = false;
1416 : break;
1417 : case money_base::value:
1418 : // Extract digits, remove and stash away the
1419 : // grouping of found thousands separators.
1420 : for (; __beg != __end; ++__beg)
1421 : {
1422 : const char_type __c = *__beg;
1423 : const char_type* __q = __traits_type::find(__lit_zero,
1424 : 10, __c);
1425 : if (__q != 0)
1426 : {
1427 : __res += money_base::_S_atoms[__q - __lit];
1428 : ++__n;
1429 : }
1430 : else if (__c == __lc->_M_decimal_point
1431 : && !__testdecfound)
1432 : {
1433 : __last_pos = __n;
1434 : __n = 0;
1435 : __testdecfound = true;
1436 : }
1437 : else if (__lc->_M_use_grouping
1438 : && __c == __lc->_M_thousands_sep
1439 : && !__testdecfound)
1440 : {
1441 : if (__n)
1442 : {
1443 : // Mark position for later analysis.
1444 : __grouping_tmp += static_cast<char>(__n);
1445 : __n = 0;
1446 : }
1447 : else
1448 : {
1449 : __testvalid = false;
1450 : break;
1451 : }
1452 : }
1453 : else
1454 : break;
1455 : }
1456 : if (__res.empty())
1457 : __testvalid = false;
1458 : break;
1459 : case money_base::space:
1460 : // At least one space is required.
1461 : if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1462 : ++__beg;
1463 : else
1464 : __testvalid = false;
1465 : case money_base::none:
1466 : // Only if not at the end of the pattern.
1467 : if (__i != 3)
1468 : for (; __beg != __end
1469 : && __ctype.is(ctype_base::space, *__beg); ++__beg);
1470 : break;
1471 : }
1472 : }
1473 :
1474 : // Need to get the rest of the sign characters, if they exist.
1475 : if (__sign_size > 1 && __testvalid)
1476 : {
1477 : const char_type* __sign = __negative ? __lc->_M_negative_sign
1478 : : __lc->_M_positive_sign;
1479 : size_type __i = 1;
1480 : for (; __beg != __end && __i < __sign_size
1481 : && *__beg == __sign[__i]; ++__beg, ++__i);
1482 :
1483 : if (__i != __sign_size)
1484 : __testvalid = false;
1485 : }
1486 :
1487 : if (__testvalid)
1488 : {
1489 : // Strip leading zeros.
1490 : if (__res.size() > 1)
1491 : {
1492 : const size_type __first = __res.find_first_not_of('0');
1493 : const bool __only_zeros = __first == string::npos;
1494 : if (__first)
1495 : __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1496 : }
1497 :
1498 : // 22.2.6.1.2, p4
1499 : if (__negative && __res[0] != '0')
1500 : __res.insert(__res.begin(), '-');
1501 :
1502 : // Test for grouping fidelity.
1503 : if (__grouping_tmp.size())
1504 : {
1505 : // Add the ending grouping.
1506 : __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1507 : : __n);
1508 : if (!std::__verify_grouping(__lc->_M_grouping,
1509 : __lc->_M_grouping_size,
1510 : __grouping_tmp))
1511 : __err |= ios_base::failbit;
1512 : }
1513 :
1514 : // Iff not enough digits were supplied after the decimal-point.
1515 : if (__testdecfound && __lc->_M_frac_digits > 0
1516 : && __n != __lc->_M_frac_digits)
1517 : __testvalid = false;
1518 : }
1519 :
1520 : // Iff valid sequence is not recognized.
1521 : if (!__testvalid)
1522 : __err |= ios_base::failbit;
1523 : else
1524 : __units.swap(__res);
1525 :
1526 : // Iff no more characters are available.
1527 : if (__beg == __end)
1528 : __err |= ios_base::eofbit;
1529 : return __beg;
1530 : }
1531 :
1532 : #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1533 : template<typename _CharT, typename _InIter>
1534 : _InIter
1535 : money_get<_CharT, _InIter>::
1536 : __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1537 : ios_base::iostate& __err, double& __units) const
1538 : {
1539 : string __str;
1540 : __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1541 : : _M_extract<false>(__beg, __end, __io, __err, __str);
1542 : std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1543 : return __beg;
1544 : }
1545 : #endif
1546 :
1547 : template<typename _CharT, typename _InIter>
1548 : _InIter
1549 : money_get<_CharT, _InIter>::
1550 : do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1551 : ios_base::iostate& __err, long double& __units) const
1552 : {
1553 : string __str;
1554 : __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1555 : : _M_extract<false>(__beg, __end, __io, __err, __str);
1556 : std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1557 : return __beg;
1558 : }
1559 :
1560 : template<typename _CharT, typename _InIter>
1561 : _InIter
1562 : money_get<_CharT, _InIter>::
1563 : do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1564 : ios_base::iostate& __err, string_type& __digits) const
1565 : {
1566 : typedef typename string::size_type size_type;
1567 :
1568 : const locale& __loc = __io._M_getloc();
1569 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1570 :
1571 : string __str;
1572 : __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1573 : : _M_extract<false>(__beg, __end, __io, __err, __str);
1574 : const size_type __len = __str.size();
1575 : if (__len)
1576 : {
1577 : __digits.resize(__len);
1578 : __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
1579 : }
1580 : return __beg;
1581 : }
1582 :
1583 : template<typename _CharT, typename _OutIter>
1584 : template<bool _Intl>
1585 : _OutIter
1586 : money_put<_CharT, _OutIter>::
1587 : _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1588 : const string_type& __digits) const
1589 : {
1590 : typedef typename string_type::size_type size_type;
1591 : typedef money_base::part part;
1592 : typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1593 :
1594 : const locale& __loc = __io._M_getloc();
1595 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1596 :
1597 : __use_cache<__cache_type> __uc;
1598 : const __cache_type* __lc = __uc(__loc);
1599 : const char_type* __lit = __lc->_M_atoms;
1600 :
1601 : // Determine if negative or positive formats are to be used, and
1602 : // discard leading negative_sign if it is present.
1603 : const char_type* __beg = __digits.data();
1604 :
1605 : money_base::pattern __p;
1606 : const char_type* __sign;
1607 : size_type __sign_size;
1608 : if (!(*__beg == __lit[money_base::_S_minus]))
1609 : {
1610 : __p = __lc->_M_pos_format;
1611 : __sign = __lc->_M_positive_sign;
1612 : __sign_size = __lc->_M_positive_sign_size;
1613 : }
1614 : else
1615 : {
1616 : __p = __lc->_M_neg_format;
1617 : __sign = __lc->_M_negative_sign;
1618 : __sign_size = __lc->_M_negative_sign_size;
1619 : if (__digits.size())
1620 : ++__beg;
1621 : }
1622 :
1623 : // Look for valid numbers in the ctype facet within input digits.
1624 : size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1625 : __beg + __digits.size()) - __beg;
1626 : if (__len)
1627 : {
1628 : // Assume valid input, and attempt to format.
1629 : // Break down input numbers into base components, as follows:
1630 : // final_value = grouped units + (decimal point) + (digits)
1631 : string_type __value;
1632 : __value.reserve(2 * __len);
1633 :
1634 : // Add thousands separators to non-decimal digits, per
1635 : // grouping rules.
1636 : long __paddec = __len - __lc->_M_frac_digits;
1637 : if (__paddec > 0)
1638 : {
1639 : if (__lc->_M_frac_digits < 0)
1640 : __paddec = __len;
1641 : if (__lc->_M_grouping_size)
1642 : {
1643 : __value.assign(2 * __paddec, char_type());
1644 : _CharT* __vend =
1645 : std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
1646 : __lc->_M_grouping,
1647 : __lc->_M_grouping_size,
1648 : __beg, __beg + __paddec);
1649 : __value.erase(__vend - &__value[0]);
1650 : }
1651 : else
1652 : __value.assign(__beg, __paddec);
1653 : }
1654 :
1655 : // Deal with decimal point, decimal digits.
1656 : if (__lc->_M_frac_digits > 0)
1657 : {
1658 : __value += __lc->_M_decimal_point;
1659 : if (__paddec >= 0)
1660 : __value.append(__beg + __paddec, __lc->_M_frac_digits);
1661 : else
1662 : {
1663 : // Have to pad zeros in the decimal position.
1664 : __value.append(-__paddec, __lit[money_base::_S_zero]);
1665 : __value.append(__beg, __len);
1666 : }
1667 : }
1668 :
1669 : // Calculate length of resulting string.
1670 : const ios_base::fmtflags __f = __io.flags()
1671 : & ios_base::adjustfield;
1672 : __len = __value.size() + __sign_size;
1673 : __len += ((__io.flags() & ios_base::showbase)
1674 : ? __lc->_M_curr_symbol_size : 0);
1675 :
1676 : string_type __res;
1677 : __res.reserve(2 * __len);
1678 :
1679 : const size_type __width = static_cast<size_type>(__io.width());
1680 : const bool __testipad = (__f == ios_base::internal
1681 : && __len < __width);
1682 : // Fit formatted digits into the required pattern.
1683 : for (int __i = 0; __i < 4; ++__i)
1684 : {
1685 : const part __which = static_cast<part>(__p.field[__i]);
1686 : switch (__which)
1687 : {
1688 : case money_base::symbol:
1689 : if (__io.flags() & ios_base::showbase)
1690 : __res.append(__lc->_M_curr_symbol,
1691 : __lc->_M_curr_symbol_size);
1692 : break;
1693 : case money_base::sign:
1694 : // Sign might not exist, or be more than one
1695 : // charater long. In that case, add in the rest
1696 : // below.
1697 : if (__sign_size)
1698 : __res += __sign[0];
1699 : break;
1700 : case money_base::value:
1701 : __res += __value;
1702 : break;
1703 : case money_base::space:
1704 : // At least one space is required, but if internal
1705 : // formatting is required, an arbitrary number of
1706 : // fill spaces will be necessary.
1707 : if (__testipad)
1708 : __res.append(__width - __len, __fill);
1709 : else
1710 : __res += __fill;
1711 : break;
1712 : case money_base::none:
1713 : if (__testipad)
1714 : __res.append(__width - __len, __fill);
1715 : break;
1716 : }
1717 : }
1718 :
1719 : // Special case of multi-part sign parts.
1720 : if (__sign_size > 1)
1721 : __res.append(__sign + 1, __sign_size - 1);
1722 :
1723 : // Pad, if still necessary.
1724 : __len = __res.size();
1725 : if (__width > __len)
1726 : {
1727 : if (__f == ios_base::left)
1728 : // After.
1729 : __res.append(__width - __len, __fill);
1730 : else
1731 : // Before.
1732 : __res.insert(0, __width - __len, __fill);
1733 : __len = __width;
1734 : }
1735 :
1736 : // Write resulting, fully-formatted string to output iterator.
1737 : __s = std::__write(__s, __res.data(), __len);
1738 : }
1739 : __io.width(0);
1740 : return __s;
1741 : }
1742 :
1743 : #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1744 : template<typename _CharT, typename _OutIter>
1745 : _OutIter
1746 : money_put<_CharT, _OutIter>::
1747 : __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1748 : double __units) const
1749 : { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
1750 : #endif
1751 :
1752 : template<typename _CharT, typename _OutIter>
1753 : _OutIter
1754 : money_put<_CharT, _OutIter>::
1755 : do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1756 : long double __units) const
1757 : {
1758 : const locale __loc = __io.getloc();
1759 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1760 : #ifdef _GLIBCXX_USE_C99
1761 : // First try a buffer perhaps big enough.
1762 : int __cs_size = 64;
1763 : char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1764 : // _GLIBCXX_RESOLVE_LIB_DEFECTS
1765 : // 328. Bad sprintf format modifier in money_put<>::do_put()
1766 : int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1767 : "%.*Lf", 0, __units);
1768 : // If the buffer was not large enough, try again with the correct size.
1769 : if (__len >= __cs_size)
1770 : {
1771 : __cs_size = __len + 1;
1772 : __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1773 : __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1774 : "%.*Lf", 0, __units);
1775 : }
1776 : #else
1777 : // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1778 : const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1779 : char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1780 : int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1781 : 0, __units);
1782 : #endif
1783 : string_type __digits(__len, char_type());
1784 : __ctype.widen(__cs, __cs + __len, &__digits[0]);
1785 : return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1786 : : _M_insert<false>(__s, __io, __fill, __digits);
1787 : }
1788 :
1789 : template<typename _CharT, typename _OutIter>
1790 : _OutIter
1791 : money_put<_CharT, _OutIter>::
1792 : do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1793 : const string_type& __digits) const
1794 : { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1795 : : _M_insert<false>(__s, __io, __fill, __digits); }
1796 :
1797 : _GLIBCXX_END_LDBL_NAMESPACE
1798 :
1799 : // NB: Not especially useful. Without an ios_base object or some
1800 : // kind of locale reference, we are left clawing at the air where
1801 : // the side of the mountain used to be...
1802 : template<typename _CharT, typename _InIter>
1803 : time_base::dateorder
1804 : time_get<_CharT, _InIter>::do_date_order() const
1805 : { return time_base::no_order; }
1806 :
1807 : // Expand a strftime format string and parse it. E.g., do_get_date() may
1808 : // pass %m/%d/%Y => extracted characters.
1809 : template<typename _CharT, typename _InIter>
1810 : _InIter
1811 : time_get<_CharT, _InIter>::
1812 : _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1813 : ios_base::iostate& __err, tm* __tm,
1814 : const _CharT* __format) const
1815 : {
1816 : const locale& __loc = __io._M_getloc();
1817 : const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1818 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1819 : const size_t __len = char_traits<_CharT>::length(__format);
1820 :
1821 : ios_base::iostate __tmperr = ios_base::goodbit;
1822 : for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1823 : {
1824 : if (__ctype.narrow(__format[__i], 0) == '%')
1825 : {
1826 : // Verify valid formatting code, attempt to extract.
1827 : char __c = __ctype.narrow(__format[++__i], 0);
1828 : int __mem = 0;
1829 : if (__c == 'E' || __c == 'O')
1830 : __c = __ctype.narrow(__format[++__i], 0);
1831 : switch (__c)
1832 : {
1833 : const char* __cs;
1834 : _CharT __wcs[10];
1835 : case 'a':
1836 : // Abbreviated weekday name [tm_wday]
1837 : const char_type* __days1[7];
1838 : __tp._M_days_abbreviated(__days1);
1839 : __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1840 : 7, __io, __tmperr);
1841 : break;
1842 : case 'A':
1843 : // Weekday name [tm_wday].
1844 : const char_type* __days2[7];
1845 : __tp._M_days(__days2);
1846 : __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1847 : 7, __io, __tmperr);
1848 : break;
1849 : case 'h':
1850 : case 'b':
1851 : // Abbreviated month name [tm_mon]
1852 : const char_type* __months1[12];
1853 : __tp._M_months_abbreviated(__months1);
1854 : __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1855 : __months1, 12, __io, __tmperr);
1856 : break;
1857 : case 'B':
1858 : // Month name [tm_mon].
1859 : const char_type* __months2[12];
1860 : __tp._M_months(__months2);
1861 : __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1862 : __months2, 12, __io, __tmperr);
1863 : break;
1864 : case 'c':
1865 : // Default time and date representation.
1866 : const char_type* __dt[2];
1867 : __tp._M_date_time_formats(__dt);
1868 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1869 : __tm, __dt[0]);
1870 : break;
1871 : case 'd':
1872 : // Day [01, 31]. [tm_mday]
1873 : __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1874 : __io, __tmperr);
1875 : break;
1876 : case 'e':
1877 : // Day [1, 31], with single digits preceded by
1878 : // space. [tm_mday]
1879 : if (__ctype.is(ctype_base::space, *__beg))
1880 : __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1881 : 1, __io, __tmperr);
1882 : else
1883 : __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1884 : 2, __io, __tmperr);
1885 : break;
1886 : case 'D':
1887 : // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1888 : __cs = "%m/%d/%y";
1889 : __ctype.widen(__cs, __cs + 9, __wcs);
1890 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1891 : __tm, __wcs);
1892 : break;
1893 : case 'H':
1894 : // Hour [00, 23]. [tm_hour]
1895 : __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1896 : __io, __tmperr);
1897 : break;
1898 : case 'I':
1899 : // Hour [01, 12]. [tm_hour]
1900 : __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1901 : __io, __tmperr);
1902 : break;
1903 : case 'm':
1904 : // Month [01, 12]. [tm_mon]
1905 : __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1906 : __io, __tmperr);
1907 : if (!__tmperr)
1908 : __tm->tm_mon = __mem - 1;
1909 : break;
1910 : case 'M':
1911 : // Minute [00, 59]. [tm_min]
1912 : __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1913 : __io, __tmperr);
1914 : break;
1915 : case 'n':
1916 : if (__ctype.narrow(*__beg, 0) == '\n')
1917 : ++__beg;
1918 : else
1919 : __tmperr |= ios_base::failbit;
1920 : break;
1921 : case 'R':
1922 : // Equivalent to (%H:%M).
1923 : __cs = "%H:%M";
1924 : __ctype.widen(__cs, __cs + 6, __wcs);
1925 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1926 : __tm, __wcs);
1927 : break;
1928 : case 'S':
1929 : // Seconds. [tm_sec]
1930 : // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1931 : #ifdef _GLIBCXX_USE_C99
1932 : __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1933 : #else
1934 : __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1935 : #endif
1936 : __io, __tmperr);
1937 : break;
1938 : case 't':
1939 : if (__ctype.narrow(*__beg, 0) == '\t')
1940 : ++__beg;
1941 : else
1942 : __tmperr |= ios_base::failbit;
1943 : break;
1944 : case 'T':
1945 : // Equivalent to (%H:%M:%S).
1946 : __cs = "%H:%M:%S";
1947 : __ctype.widen(__cs, __cs + 9, __wcs);
1948 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1949 : __tm, __wcs);
1950 : break;
1951 : case 'x':
1952 : // Locale's date.
1953 : const char_type* __dates[2];
1954 : __tp._M_date_formats(__dates);
1955 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1956 : __tm, __dates[0]);
1957 : break;
1958 : case 'X':
1959 : // Locale's time.
1960 : const char_type* __times[2];
1961 : __tp._M_time_formats(__times);
1962 : __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1963 : __tm, __times[0]);
1964 : break;
1965 : case 'y':
1966 : case 'C': // C99
1967 : // Two digit year. [tm_year]
1968 : __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1969 : __io, __tmperr);
1970 : break;
1971 : case 'Y':
1972 : // Year [1900). [tm_year]
1973 : __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1974 : __io, __tmperr);
1975 : if (!__tmperr)
1976 : __tm->tm_year = __mem - 1900;
1977 : break;
1978 : case 'Z':
1979 : // Timezone info.
1980 : if (__ctype.is(ctype_base::upper, *__beg))
1981 : {
1982 : int __tmp;
1983 : __beg = _M_extract_name(__beg, __end, __tmp,
1984 : __timepunct_cache<_CharT>::_S_timezones,
1985 : 14, __io, __tmperr);
1986 :
1987 : // GMT requires special effort.
1988 : if (__beg != __end && !__tmperr && __tmp == 0
1989 : && (*__beg == __ctype.widen('-')
1990 : || *__beg == __ctype.widen('+')))
1991 : {
1992 : __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1993 : __io, __tmperr);
1994 : __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1995 : __io, __tmperr);
1996 : }
1997 : }
1998 : else
1999 : __tmperr |= ios_base::failbit;
2000 : break;
2001 : default:
2002 : // Not recognized.
2003 : __tmperr |= ios_base::failbit;
2004 : }
2005 : }
2006 : else
2007 : {
2008 : // Verify format and input match, extract and discard.
2009 : if (__format[__i] == *__beg)
2010 : ++__beg;
2011 : else
2012 : __tmperr |= ios_base::failbit;
2013 : }
2014 : }
2015 :
2016 : if (__tmperr)
2017 : __err |= ios_base::failbit;
2018 :
2019 : return __beg;
2020 : }
2021 :
2022 : template<typename _CharT, typename _InIter>
2023 : _InIter
2024 : time_get<_CharT, _InIter>::
2025 : _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2026 : int __min, int __max, size_t __len,
2027 : ios_base& __io, ios_base::iostate& __err) const
2028 : {
2029 : const locale& __loc = __io._M_getloc();
2030 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2031 :
2032 : // As-is works for __len = 1, 2, 4, the values actually used.
2033 : int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2034 :
2035 : ++__min;
2036 : size_t __i = 0;
2037 : int __value = 0;
2038 : for (; __beg != __end && __i < __len; ++__beg, ++__i)
2039 : {
2040 : const char __c = __ctype.narrow(*__beg, '*');
2041 : if (__c >= '0' && __c <= '9')
2042 : {
2043 : __value = __value * 10 + (__c - '0');
2044 : const int __valuec = __value * __mult;
2045 : if (__valuec > __max || __valuec + __mult < __min)
2046 : break;
2047 : __mult /= 10;
2048 : }
2049 : else
2050 : break;
2051 : }
2052 : if (__i == __len)
2053 : __member = __value;
2054 : else
2055 : __err |= ios_base::failbit;
2056 :
2057 : return __beg;
2058 : }
2059 :
2060 : // Assumptions:
2061 : // All elements in __names are unique.
2062 : template<typename _CharT, typename _InIter>
2063 : _InIter
2064 : time_get<_CharT, _InIter>::
2065 : _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2066 : const _CharT** __names, size_t __indexlen,
2067 : ios_base& __io, ios_base::iostate& __err) const
2068 : {
2069 : typedef char_traits<_CharT> __traits_type;
2070 : const locale& __loc = __io._M_getloc();
2071 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2072 :
2073 : int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2074 : * __indexlen));
2075 : size_t __nmatches = 0;
2076 : size_t __pos = 0;
2077 : bool __testvalid = true;
2078 : const char_type* __name;
2079 :
2080 : // Look for initial matches.
2081 : // NB: Some of the locale data is in the form of all lowercase
2082 : // names, and some is in the form of initially-capitalized
2083 : // names. Look for both.
2084 : if (__beg != __end)
2085 : {
2086 : const char_type __c = *__beg;
2087 : for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2088 : if (__c == __names[__i1][0]
2089 : || __c == __ctype.toupper(__names[__i1][0]))
2090 : __matches[__nmatches++] = __i1;
2091 : }
2092 :
2093 : while (__nmatches > 1)
2094 : {
2095 : // Find smallest matching string.
2096 : size_t __minlen = __traits_type::length(__names[__matches[0]]);
2097 : for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2098 : __minlen = std::min(__minlen,
2099 : __traits_type::length(__names[__matches[__i2]]));
2100 : ++__beg, ++__pos;
2101 : if (__pos < __minlen && __beg != __end)
2102 : for (size_t __i3 = 0; __i3 < __nmatches;)
2103 : {
2104 : __name = __names[__matches[__i3]];
2105 : if (!(__name[__pos] == *__beg))
2106 : __matches[__i3] = __matches[--__nmatches];
2107 : else
2108 : ++__i3;
2109 : }
2110 : else
2111 : break;
2112 : }
2113 :
2114 : if (__nmatches == 1)
2115 : {
2116 : // Make sure found name is completely extracted.
2117 : ++__beg, ++__pos;
2118 : __name = __names[__matches[0]];
2119 : const size_t __len = __traits_type::length(__name);
2120 : while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2121 : ++__beg, ++__pos;
2122 :
2123 : if (__len == __pos)
2124 : __member = __matches[0];
2125 : else
2126 : __testvalid = false;
2127 : }
2128 : else
2129 : __testvalid = false;
2130 : if (!__testvalid)
2131 : __err |= ios_base::failbit;
2132 :
2133 : return __beg;
2134 : }
2135 :
2136 : template<typename _CharT, typename _InIter>
2137 : _InIter
2138 : time_get<_CharT, _InIter>::
2139 : do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2140 : ios_base::iostate& __err, tm* __tm) const
2141 : {
2142 : const locale& __loc = __io._M_getloc();
2143 : const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2144 : const char_type* __times[2];
2145 : __tp._M_time_formats(__times);
2146 : __beg = _M_extract_via_format(__beg, __end, __io, __err,
2147 : __tm, __times[0]);
2148 : if (__beg == __end)
2149 : __err |= ios_base::eofbit;
2150 : return __beg;
2151 : }
2152 :
2153 : template<typename _CharT, typename _InIter>
2154 : _InIter
2155 : time_get<_CharT, _InIter>::
2156 : do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2157 : ios_base::iostate& __err, tm* __tm) const
2158 : {
2159 : const locale& __loc = __io._M_getloc();
2160 : const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2161 : const char_type* __dates[2];
2162 : __tp._M_date_formats(__dates);
2163 : __beg = _M_extract_via_format(__beg, __end, __io, __err,
2164 : __tm, __dates[0]);
2165 : if (__beg == __end)
2166 : __err |= ios_base::eofbit;
2167 : return __beg;
2168 : }
2169 :
2170 : template<typename _CharT, typename _InIter>
2171 : _InIter
2172 : time_get<_CharT, _InIter>::
2173 : do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2174 : ios_base::iostate& __err, tm* __tm) const
2175 : {
2176 : typedef char_traits<_CharT> __traits_type;
2177 : const locale& __loc = __io._M_getloc();
2178 : const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2179 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2180 : const char_type* __days[7];
2181 : __tp._M_days_abbreviated(__days);
2182 : int __tmpwday;
2183 : ios_base::iostate __tmperr = ios_base::goodbit;
2184 : __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2185 : __io, __tmperr);
2186 :
2187 : // Check to see if non-abbreviated name exists, and extract.
2188 : // NB: Assumes both _M_days and _M_days_abbreviated organized in
2189 : // exact same order, first to last, such that the resulting
2190 : // __days array with the same index points to a day, and that
2191 : // day's abbreviated form.
2192 : // NB: Also assumes that an abbreviated name is a subset of the name.
2193 : if (!__tmperr && __beg != __end)
2194 : {
2195 : size_t __pos = __traits_type::length(__days[__tmpwday]);
2196 : __tp._M_days(__days);
2197 : const char_type* __name = __days[__tmpwday];
2198 : if (__name[__pos] == *__beg)
2199 : {
2200 : // Extract the rest of it.
2201 : const size_t __len = __traits_type::length(__name);
2202 : while (__pos < __len && __beg != __end
2203 : && __name[__pos] == *__beg)
2204 : ++__beg, ++__pos;
2205 : if (__len != __pos)
2206 : __tmperr |= ios_base::failbit;
2207 : }
2208 : }
2209 : if (!__tmperr)
2210 : __tm->tm_wday = __tmpwday;
2211 : else
2212 : __err |= ios_base::failbit;
2213 :
2214 : if (__beg == __end)
2215 : __err |= ios_base::eofbit;
2216 : return __beg;
2217 : }
2218 :
2219 : template<typename _CharT, typename _InIter>
2220 : _InIter
2221 : time_get<_CharT, _InIter>::
2222 : do_get_monthname(iter_type __beg, iter_type __end,
2223 : ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2224 : {
2225 : typedef char_traits<_CharT> __traits_type;
2226 : const locale& __loc = __io._M_getloc();
2227 : const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2228 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2229 : const char_type* __months[12];
2230 : __tp._M_months_abbreviated(__months);
2231 : int __tmpmon;
2232 : ios_base::iostate __tmperr = ios_base::goodbit;
2233 : __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2234 : __io, __tmperr);
2235 :
2236 : // Check to see if non-abbreviated name exists, and extract.
2237 : // NB: Assumes both _M_months and _M_months_abbreviated organized in
2238 : // exact same order, first to last, such that the resulting
2239 : // __months array with the same index points to a month, and that
2240 : // month's abbreviated form.
2241 : // NB: Also assumes that an abbreviated name is a subset of the name.
2242 : if (!__tmperr && __beg != __end)
2243 : {
2244 : size_t __pos = __traits_type::length(__months[__tmpmon]);
2245 : __tp._M_months(__months);
2246 : const char_type* __name = __months[__tmpmon];
2247 : if (__name[__pos] == *__beg)
2248 : {
2249 : // Extract the rest of it.
2250 : const size_t __len = __traits_type::length(__name);
2251 : while (__pos < __len && __beg != __end
2252 : && __name[__pos] == *__beg)
2253 : ++__beg, ++__pos;
2254 : if (__len != __pos)
2255 : __tmperr |= ios_base::failbit;
2256 : }
2257 : }
2258 : if (!__tmperr)
2259 : __tm->tm_mon = __tmpmon;
2260 : else
2261 : __err |= ios_base::failbit;
2262 :
2263 : if (__beg == __end)
2264 : __err |= ios_base::eofbit;
2265 : return __beg;
2266 : }
2267 :
2268 : template<typename _CharT, typename _InIter>
2269 : _InIter
2270 : time_get<_CharT, _InIter>::
2271 : do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2272 : ios_base::iostate& __err, tm* __tm) const
2273 : {
2274 : const locale& __loc = __io._M_getloc();
2275 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2276 :
2277 : size_t __i = 0;
2278 : int __value = 0;
2279 : for (; __beg != __end && __i < 4; ++__beg, ++__i)
2280 : {
2281 : const char __c = __ctype.narrow(*__beg, '*');
2282 : if (__c >= '0' && __c <= '9')
2283 : __value = __value * 10 + (__c - '0');
2284 : else
2285 : break;
2286 : }
2287 : if (__i == 2 || __i == 4)
2288 : __tm->tm_year = __i == 2 ? __value : __value - 1900;
2289 : else
2290 : __err |= ios_base::failbit;
2291 :
2292 : if (__beg == __end)
2293 : __err |= ios_base::eofbit;
2294 : return __beg;
2295 : }
2296 :
2297 : template<typename _CharT, typename _OutIter>
2298 : _OutIter
2299 : time_put<_CharT, _OutIter>::
2300 : put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2301 : const _CharT* __beg, const _CharT* __end) const
2302 : {
2303 : const locale& __loc = __io._M_getloc();
2304 : ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2305 : for (; __beg != __end; ++__beg)
2306 : if (__ctype.narrow(*__beg, 0) != '%')
2307 : {
2308 : *__s = *__beg;
2309 : ++__s;
2310 : }
2311 : else if (++__beg != __end)
2312 : {
2313 : char __format;
2314 : char __mod = 0;
2315 : const char __c = __ctype.narrow(*__beg, 0);
2316 : if (__c != 'E' && __c != 'O')
2317 : __format = __c;
2318 : else if (++__beg != __end)
2319 : {
2320 : __mod = __c;
2321 : __format = __ctype.narrow(*__beg, 0);
2322 : }
2323 : else
2324 : break;
2325 : __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2326 : }
2327 : else
2328 : break;
2329 : return __s;
2330 : }
2331 :
2332 : template<typename _CharT, typename _OutIter>
2333 : _OutIter
2334 : time_put<_CharT, _OutIter>::
2335 : do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2336 : char __format, char __mod) const
2337 : {
2338 : const locale& __loc = __io._M_getloc();
2339 : ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2340 : __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2341 :
2342 : // NB: This size is arbitrary. Should this be a data member,
2343 : // initialized at construction?
2344 : const size_t __maxlen = 128;
2345 : char_type* __res =
2346 : static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2347 :
2348 : // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2349 : // is possible that the format character will be longer than one
2350 : // character. Possibilities include 'E' or 'O' followed by a
2351 : // format character: if __mod is not the default argument, assume
2352 : // it's a valid modifier.
2353 : char_type __fmt[4];
2354 : __fmt[0] = __ctype.widen('%');
2355 : if (!__mod)
2356 : {
2357 : __fmt[1] = __format;
2358 : __fmt[2] = char_type();
2359 : }
2360 : else
2361 : {
2362 : __fmt[1] = __mod;
2363 : __fmt[2] = __format;
2364 : __fmt[3] = char_type();
2365 : }
2366 :
2367 : __tp._M_put(__res, __maxlen, __fmt, __tm);
2368 :
2369 : // Write resulting, fully-formatted string to output iterator.
2370 : return std::__write(__s, __res, char_traits<char_type>::length(__res));
2371 : }
2372 :
2373 : // Generic version does nothing.
2374 : template<typename _CharT>
2375 : int
2376 : collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2377 : { return 0; }
2378 :
2379 : // Generic version does nothing.
2380 : template<typename _CharT>
2381 : size_t
2382 : collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2383 : { return 0; }
2384 :
2385 : template<typename _CharT>
2386 : int
2387 : collate<_CharT>::
2388 : do_compare(const _CharT* __lo1, const _CharT* __hi1,
2389 : const _CharT* __lo2, const _CharT* __hi2) const
2390 : {
2391 : // strcoll assumes zero-terminated strings so we make a copy
2392 : // and then put a zero at the end.
2393 : const string_type __one(__lo1, __hi1);
2394 : const string_type __two(__lo2, __hi2);
2395 :
2396 : const _CharT* __p = __one.c_str();
2397 : const _CharT* __pend = __one.data() + __one.length();
2398 : const _CharT* __q = __two.c_str();
2399 : const _CharT* __qend = __two.data() + __two.length();
2400 :
2401 : // strcoll stops when it sees a nul character so we break
2402 : // the strings into zero-terminated substrings and pass those
2403 : // to strcoll.
2404 : for (;;)
2405 : {
2406 : const int __res = _M_compare(__p, __q);
2407 : if (__res)
2408 : return __res;
2409 :
2410 : __p += char_traits<_CharT>::length(__p);
2411 : __q += char_traits<_CharT>::length(__q);
2412 : if (__p == __pend && __q == __qend)
2413 : return 0;
2414 : else if (__p == __pend)
2415 : return -1;
2416 : else if (__q == __qend)
2417 : return 1;
2418 :
2419 : __p++;
2420 : __q++;
2421 : }
2422 : }
2423 :
2424 : template<typename _CharT>
2425 : typename collate<_CharT>::string_type
2426 : collate<_CharT>::
2427 : do_transform(const _CharT* __lo, const _CharT* __hi) const
2428 : {
2429 : string_type __ret;
2430 :
2431 : // strxfrm assumes zero-terminated strings so we make a copy
2432 : const string_type __str(__lo, __hi);
2433 :
2434 : const _CharT* __p = __str.c_str();
2435 : const _CharT* __pend = __str.data() + __str.length();
2436 :
2437 : size_t __len = (__hi - __lo) * 2;
2438 :
2439 : _CharT* __c = new _CharT[__len];
2440 :
2441 : try
2442 : {
2443 : // strxfrm stops when it sees a nul character so we break
2444 : // the string into zero-terminated substrings and pass those
2445 : // to strxfrm.
2446 : for (;;)
2447 : {
2448 : // First try a buffer perhaps big enough.
2449 : size_t __res = _M_transform(__c, __p, __len);
2450 : // If the buffer was not large enough, try again with the
2451 : // correct size.
2452 : if (__res >= __len)
2453 : {
2454 : __len = __res + 1;
2455 : delete [] __c, __c = 0;
2456 : __c = new _CharT[__len];
2457 : __res = _M_transform(__c, __p, __len);
2458 : }
2459 :
2460 : __ret.append(__c, __res);
2461 : __p += char_traits<_CharT>::length(__p);
2462 : if (__p == __pend)
2463 : break;
2464 :
2465 : __p++;
2466 : __ret.push_back(_CharT());
2467 : }
2468 : }
2469 : catch(...)
2470 : {
2471 : delete [] __c;
2472 : __throw_exception_again;
2473 : }
2474 :
2475 : delete [] __c;
2476 :
2477 : return __ret;
2478 : }
2479 :
2480 : template<typename _CharT>
2481 : long
2482 : collate<_CharT>::
2483 : do_hash(const _CharT* __lo, const _CharT* __hi) const
2484 : {
2485 : unsigned long __val = 0;
2486 : for (; __lo < __hi; ++__lo)
2487 : __val = *__lo + ((__val << 7) |
2488 : (__val >> (numeric_limits<unsigned long>::digits - 7)));
2489 : return static_cast<long>(__val);
2490 : }
2491 :
2492 : // Construct correctly padded string, as per 22.2.2.2.2
2493 : // Assumes
2494 : // __newlen > __oldlen
2495 : // __news is allocated for __newlen size
2496 : // Used by both num_put and ostream inserters: if __num,
2497 : // internal-adjusted objects are padded according to the rules below
2498 : // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2499 : // ones are.
2500 :
2501 : // NB: Of the two parameters, _CharT can be deduced from the
2502 : // function arguments. The other (_Traits) has to be explicitly specified.
2503 : template<typename _CharT, typename _Traits>
2504 : void
2505 : __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2506 : _CharT* __news, const _CharT* __olds,
2507 : const streamsize __newlen,
2508 : const streamsize __oldlen, const bool __num)
2509 : {
2510 : const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2511 : const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2512 :
2513 : // Padding last.
2514 : if (__adjust == ios_base::left)
2515 : {
2516 : _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2517 : _Traits::assign(__news + __oldlen, __plen, __fill);
2518 : return;
2519 : }
2520 :
2521 : size_t __mod = 0;
2522 : if (__adjust == ios_base::internal && __num)
2523 : {
2524 : // Pad after the sign, if there is one.
2525 : // Pad after 0[xX], if there is one.
2526 : // Who came up with these rules, anyway? Jeeze.
2527 : const locale& __loc = __io._M_getloc();
2528 : const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2529 :
2530 : const bool __testsign = (__ctype.widen('-') == __olds[0]
2531 : || __ctype.widen('+') == __olds[0]);
2532 : const bool __testhex = (__ctype.widen('0') == __olds[0]
2533 : && __oldlen > 1
2534 : && (__ctype.widen('x') == __olds[1]
2535 : || __ctype.widen('X') == __olds[1]));
2536 : if (__testhex)
2537 : {
2538 : __news[0] = __olds[0];
2539 : __news[1] = __olds[1];
2540 : __mod = 2;
2541 : __news += 2;
2542 : }
2543 : else if (__testsign)
2544 : {
2545 : __news[0] = __olds[0];
2546 : __mod = 1;
2547 : ++__news;
2548 : }
2549 : // else Padding first.
2550 : }
2551 : _Traits::assign(__news, __plen, __fill);
2552 : _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2553 : __oldlen - __mod);
2554 : }
2555 :
2556 : bool
2557 : __verify_grouping(const char* __grouping, size_t __grouping_size,
2558 0 : const string& __grouping_tmp)
2559 : {
2560 0 : const size_t __n = __grouping_tmp.size() - 1;
2561 0 : const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2562 0 : size_t __i = __n;
2563 0 : bool __test = true;
2564 :
2565 : // Parsed number groupings have to match the
2566 : // numpunct::grouping string exactly, starting at the
2567 : // right-most point of the parsed sequence of elements ...
2568 0 : for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2569 0 : __test = __grouping_tmp[__i] == __grouping[__j];
2570 0 : for (; __i && __test; --__i)
2571 0 : __test = __grouping_tmp[__i] == __grouping[__min];
2572 : // ... but the first parsed grouping can be <= numpunct
2573 : // grouping (only do the check if the numpunct char is > 0
2574 : // because <= 0 means any size is ok).
2575 0 : if (static_cast<signed char>(__grouping[__min]) > 0)
2576 0 : __test &= __grouping_tmp[0] <= __grouping[__min];
2577 0 : return __test;
2578 : }
2579 :
2580 : template<typename _CharT>
2581 : _CharT*
2582 : __add_grouping(_CharT* __s, _CharT __sep,
2583 : const char* __gbeg, size_t __gsize,
2584 : const _CharT* __first, const _CharT* __last)
2585 : {
2586 : size_t __idx = 0;
2587 : size_t __ctr = 0;
2588 :
2589 : while (__last - __first > __gbeg[__idx]
2590 : && static_cast<signed char>(__gbeg[__idx]) > 0)
2591 : {
2592 : __last -= __gbeg[__idx];
2593 : __idx < __gsize - 1 ? ++__idx : ++__ctr;
2594 : }
2595 :
2596 : while (__first != __last)
2597 : *__s++ = *__first++;
2598 :
2599 : while (__ctr--)
2600 : {
2601 : *__s++ = __sep;
2602 : for (char __i = __gbeg[__idx]; __i > 0; --__i)
2603 : *__s++ = *__first++;
2604 : }
2605 :
2606 : while (__idx--)
2607 : {
2608 : *__s++ = __sep;
2609 : for (char __i = __gbeg[__idx]; __i > 0; --__i)
2610 : *__s++ = *__first++;
2611 : }
2612 :
2613 : return __s;
2614 : }
2615 :
2616 : // Inhibit implicit instantiations for required instantiations,
2617 : // which are defined via explicit instantiations elsewhere.
2618 : // NB: This syntax is a GNU extension.
2619 : #if _GLIBCXX_EXTERN_TEMPLATE
2620 : extern template class moneypunct<char, false>;
2621 : extern template class moneypunct<char, true>;
2622 : extern template class moneypunct_byname<char, false>;
2623 : extern template class moneypunct_byname<char, true>;
2624 : extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2625 : extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2626 : extern template class numpunct<char>;
2627 : extern template class numpunct_byname<char>;
2628 : extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2629 : extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2630 : extern template class __timepunct<char>;
2631 : extern template class time_put<char>;
2632 : extern template class time_put_byname<char>;
2633 : extern template class time_get<char>;
2634 : extern template class time_get_byname<char>;
2635 : extern template class messages<char>;
2636 : extern template class messages_byname<char>;
2637 : extern template class ctype_byname<char>;
2638 : extern template class codecvt_byname<char, char, mbstate_t>;
2639 : extern template class collate<char>;
2640 : extern template class collate_byname<char>;
2641 :
2642 : extern template
2643 : const codecvt<char, char, mbstate_t>&
2644 : use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2645 :
2646 : extern template
2647 : const collate<char>&
2648 : use_facet<collate<char> >(const locale&);
2649 :
2650 : extern template
2651 : const numpunct<char>&
2652 : use_facet<numpunct<char> >(const locale&);
2653 :
2654 : extern template
2655 : const num_put<char>&
2656 : use_facet<num_put<char> >(const locale&);
2657 :
2658 : extern template
2659 : const num_get<char>&
2660 : use_facet<num_get<char> >(const locale&);
2661 :
2662 : extern template
2663 : const moneypunct<char, true>&
2664 : use_facet<moneypunct<char, true> >(const locale&);
2665 :
2666 : extern template
2667 : const moneypunct<char, false>&
2668 : use_facet<moneypunct<char, false> >(const locale&);
2669 :
2670 : extern template
2671 : const money_put<char>&
2672 : use_facet<money_put<char> >(const locale&);
2673 :
2674 : extern template
2675 : const money_get<char>&
2676 : use_facet<money_get<char> >(const locale&);
2677 :
2678 : extern template
2679 : const __timepunct<char>&
2680 : use_facet<__timepunct<char> >(const locale&);
2681 :
2682 : extern template
2683 : const time_put<char>&
2684 : use_facet<time_put<char> >(const locale&);
2685 :
2686 : extern template
2687 : const time_get<char>&
2688 : use_facet<time_get<char> >(const locale&);
2689 :
2690 : extern template
2691 : const messages<char>&
2692 : use_facet<messages<char> >(const locale&);
2693 :
2694 : extern template
2695 : bool
2696 : has_facet<ctype<char> >(const locale&);
2697 :
2698 : extern template
2699 : bool
2700 : has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2701 :
2702 : extern template
2703 : bool
2704 : has_facet<collate<char> >(const locale&);
2705 :
2706 : extern template
2707 : bool
2708 : has_facet<numpunct<char> >(const locale&);
2709 :
2710 : extern template
2711 : bool
2712 : has_facet<num_put<char> >(const locale&);
2713 :
2714 : extern template
2715 : bool
2716 : has_facet<num_get<char> >(const locale&);
2717 :
2718 : extern template
2719 : bool
2720 : has_facet<moneypunct<char> >(const locale&);
2721 :
2722 : extern template
2723 : bool
2724 : has_facet<money_put<char> >(const locale&);
2725 :
2726 : extern template
2727 : bool
2728 : has_facet<money_get<char> >(const locale&);
2729 :
2730 : extern template
2731 : bool
2732 : has_facet<__timepunct<char> >(const locale&);
2733 :
2734 : extern template
2735 : bool
2736 : has_facet<time_put<char> >(const locale&);
2737 :
2738 : extern template
2739 : bool
2740 : has_facet<time_get<char> >(const locale&);
2741 :
2742 : extern template
2743 : bool
2744 : has_facet<messages<char> >(const locale&);
2745 :
2746 : #ifdef _GLIBCXX_USE_WCHAR_T
2747 : extern template class moneypunct<wchar_t, false>;
2748 : extern template class moneypunct<wchar_t, true>;
2749 : extern template class moneypunct_byname<wchar_t, false>;
2750 : extern template class moneypunct_byname<wchar_t, true>;
2751 : extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2752 : extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2753 : extern template class numpunct<wchar_t>;
2754 : extern template class numpunct_byname<wchar_t>;
2755 : extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2756 : extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2757 : extern template class __timepunct<wchar_t>;
2758 : extern template class time_put<wchar_t>;
2759 : extern template class time_put_byname<wchar_t>;
2760 : extern template class time_get<wchar_t>;
2761 : extern template class time_get_byname<wchar_t>;
2762 : extern template class messages<wchar_t>;
2763 : extern template class messages_byname<wchar_t>;
2764 : extern template class ctype_byname<wchar_t>;
2765 : extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2766 : extern template class collate<wchar_t>;
2767 : extern template class collate_byname<wchar_t>;
2768 :
2769 : extern template
2770 : const codecvt<wchar_t, char, mbstate_t>&
2771 : use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2772 :
2773 : extern template
2774 : const collate<wchar_t>&
2775 : use_facet<collate<wchar_t> >(const locale&);
2776 :
2777 : extern template
2778 : const numpunct<wchar_t>&
2779 : use_facet<numpunct<wchar_t> >(const locale&);
2780 :
2781 : extern template
2782 : const num_put<wchar_t>&
2783 : use_facet<num_put<wchar_t> >(const locale&);
2784 :
2785 : extern template
2786 : const num_get<wchar_t>&
2787 : use_facet<num_get<wchar_t> >(const locale&);
2788 :
2789 : extern template
2790 : const moneypunct<wchar_t, true>&
2791 : use_facet<moneypunct<wchar_t, true> >(const locale&);
2792 :
2793 : extern template
2794 : const moneypunct<wchar_t, false>&
2795 : use_facet<moneypunct<wchar_t, false> >(const locale&);
2796 :
2797 : extern template
2798 : const money_put<wchar_t>&
2799 : use_facet<money_put<wchar_t> >(const locale&);
2800 :
2801 : extern template
2802 : const money_get<wchar_t>&
2803 : use_facet<money_get<wchar_t> >(const locale&);
2804 :
2805 : extern template
2806 : const __timepunct<wchar_t>&
2807 : use_facet<__timepunct<wchar_t> >(const locale&);
2808 :
2809 : extern template
2810 : const time_put<wchar_t>&
2811 : use_facet<time_put<wchar_t> >(const locale&);
2812 :
2813 : extern template
2814 : const time_get<wchar_t>&
2815 : use_facet<time_get<wchar_t> >(const locale&);
2816 :
2817 : extern template
2818 : const messages<wchar_t>&
2819 : use_facet<messages<wchar_t> >(const locale&);
2820 :
2821 : extern template
2822 : bool
2823 : has_facet<ctype<wchar_t> >(const locale&);
2824 :
2825 : extern template
2826 : bool
2827 : has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2828 :
2829 : extern template
2830 : bool
2831 : has_facet<collate<wchar_t> >(const locale&);
2832 :
2833 : extern template
2834 : bool
2835 : has_facet<numpunct<wchar_t> >(const locale&);
2836 :
2837 : extern template
2838 : bool
2839 : has_facet<num_put<wchar_t> >(const locale&);
2840 :
2841 : extern template
2842 : bool
2843 : has_facet<num_get<wchar_t> >(const locale&);
2844 :
2845 : extern template
2846 : bool
2847 : has_facet<moneypunct<wchar_t> >(const locale&);
2848 :
2849 : extern template
2850 : bool
2851 : has_facet<money_put<wchar_t> >(const locale&);
2852 :
2853 : extern template
2854 : bool
2855 : has_facet<money_get<wchar_t> >(const locale&);
2856 :
2857 : extern template
2858 : bool
2859 : has_facet<__timepunct<wchar_t> >(const locale&);
2860 :
2861 : extern template
2862 : bool
2863 : has_facet<time_put<wchar_t> >(const locale&);
2864 :
2865 : extern template
2866 : bool
2867 : has_facet<time_get<wchar_t> >(const locale&);
2868 :
2869 : extern template
2870 : bool
2871 : has_facet<messages<wchar_t> >(const locale&);
2872 : #endif
2873 : #endif
2874 :
2875 : _GLIBCXX_END_NAMESPACE
2876 :
2877 : #endif
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