1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4 // Free Software Foundation, Inc.
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)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 // Warning: this file is not meant for user inclusion. Use <locale>.
33 #ifndef _LOCALE_FACETS_TCC
34 #define _LOCALE_FACETS_TCC 1
36 #pragma GCC system_header
38 #include <limits> // For numeric_limits
39 #include <typeinfo> // For bad_cast.
40 #include <bits/streambuf_iterator.h>
44 template<typename _Facet>
46 locale::combine(const locale& __other) const
48 _Impl* __tmp = new _Impl(*_M_impl, 1);
51 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
55 __tmp->_M_remove_reference();
56 __throw_exception_again;
61 template<typename _CharT, typename _Traits, typename _Alloc>
63 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
64 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
66 typedef std::collate<_CharT> __collate_type;
67 const __collate_type& __collate = use_facet<__collate_type>(*this);
68 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
69 __s2.data(), __s2.data() + __s2.length()) < 0);
73 * @brief Test for the presence of a facet.
75 * has_facet tests the locale argument for the presence of the facet type
76 * provided as the template parameter. Facets derived from the facet
77 * parameter will also return true.
79 * @param Facet The facet type to test the presence of.
80 * @param locale The locale to test.
81 * @return true if locale contains a facet of type Facet, else false.
83 template<typename _Facet>
85 has_facet(const locale& __loc) throw()
87 const size_t __i = _Facet::id._M_id();
88 const locale::facet** __facets = __loc._M_impl->_M_facets;
89 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
93 * @brief Return a facet.
95 * use_facet looks for and returns a reference to a facet of type Facet
96 * where Facet is the template parameter. If has_facet(locale) is true,
97 * there is a suitable facet to return. It throws std::bad_cast if the
98 * locale doesn't contain a facet of type Facet.
100 * @param Facet The facet type to access.
101 * @param locale The locale to use.
102 * @return Reference to facet of type Facet.
103 * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
105 template<typename _Facet>
107 use_facet(const locale& __loc)
109 const size_t __i = _Facet::id._M_id();
110 const locale::facet** __facets = __loc._M_impl->_M_facets;
111 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
113 return static_cast<const _Facet&>(*__facets[__i]);
116 // Routine to access a cache for the facet. If the cache didn't
117 // exist before, it gets constructed on the fly.
118 template<typename _Facet>
122 operator() (const locale& __loc) const;
126 template<typename _CharT>
127 struct __use_cache<__numpunct_cache<_CharT> >
129 const __numpunct_cache<_CharT>*
130 operator() (const locale& __loc) const
132 const size_t __i = numpunct<_CharT>::id._M_id();
133 const locale::facet** __caches = __loc._M_impl->_M_caches;
136 __numpunct_cache<_CharT>* __tmp = NULL;
139 __tmp = new __numpunct_cache<_CharT>;
140 __tmp->_M_cache(__loc);
145 __throw_exception_again;
147 __loc._M_impl->_M_install_cache(__tmp, __i);
149 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
153 template<typename _CharT, bool _Intl>
154 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
156 const __moneypunct_cache<_CharT, _Intl>*
157 operator() (const locale& __loc) const
159 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
160 const locale::facet** __caches = __loc._M_impl->_M_caches;
163 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
166 __tmp = new __moneypunct_cache<_CharT, _Intl>;
167 __tmp->_M_cache(__loc);
172 __throw_exception_again;
174 __loc._M_impl->_M_install_cache(__tmp, __i);
177 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
181 template<typename _CharT>
183 __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
187 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
189 _M_grouping_size = __np.grouping().size();
190 char* __grouping = new char[_M_grouping_size];
191 __np.grouping().copy(__grouping, _M_grouping_size);
192 _M_grouping = __grouping;
193 _M_use_grouping = _M_grouping_size && __np.grouping()[0] != 0;
195 _M_truename_size = __np.truename().size();
196 _CharT* __truename = new _CharT[_M_truename_size];
197 __np.truename().copy(__truename, _M_truename_size);
198 _M_truename = __truename;
200 _M_falsename_size = __np.falsename().size();
201 _CharT* __falsename = new _CharT[_M_falsename_size];
202 __np.falsename().copy(__falsename, _M_falsename_size);
203 _M_falsename = __falsename;
205 _M_decimal_point = __np.decimal_point();
206 _M_thousands_sep = __np.thousands_sep();
208 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
209 __ct.widen(__num_base::_S_atoms_out,
210 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
211 __ct.widen(__num_base::_S_atoms_in,
212 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
215 template<typename _CharT, bool _Intl>
217 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
221 const moneypunct<_CharT, _Intl>& __mp =
222 use_facet<moneypunct<_CharT, _Intl> >(__loc);
224 _M_grouping_size = __mp.grouping().size();
225 char* __grouping = new char[_M_grouping_size];
226 __mp.grouping().copy(__grouping, _M_grouping_size);
227 _M_grouping = __grouping;
228 _M_use_grouping = _M_grouping_size && __mp.grouping()[0] != 0;
230 _M_decimal_point = __mp.decimal_point();
231 _M_thousands_sep = __mp.thousands_sep();
232 _M_frac_digits = __mp.frac_digits();
234 _M_curr_symbol_size = __mp.curr_symbol().size();
235 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
236 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
237 _M_curr_symbol = __curr_symbol;
239 _M_positive_sign_size = __mp.positive_sign().size();
240 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
241 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
242 _M_positive_sign = __positive_sign;
244 _M_negative_sign_size = __mp.negative_sign().size();
245 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
246 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
247 _M_negative_sign = __negative_sign;
249 _M_pos_format = __mp.pos_format();
250 _M_neg_format = __mp.neg_format();
252 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
253 __ct.widen(money_base::_S_atoms,
254 money_base::_S_atoms + money_base::_S_end, _M_atoms);
258 // Used by both numeric and monetary facets.
259 // Check to make sure that the __grouping_tmp string constructed in
260 // money_get or num_get matches the canonical grouping for a given
262 // __grouping_tmp is parsed L to R
263 // 1,222,444 == __grouping_tmp of "\1\3\3"
264 // __grouping is parsed R to L
265 // 1,222,444 == __grouping of "\3" == "\3\3\3"
267 __verify_grouping(const char* __grouping, size_t __grouping_size,
268 const string& __grouping_tmp);
270 template<typename _CharT, typename _InIter>
272 num_get<_CharT, _InIter>::
273 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
274 ios_base::iostate& __err, string& __xtrc) const
276 typedef char_traits<_CharT> __traits_type;
277 typedef typename numpunct<_CharT>::__cache_type __cache_type;
278 __use_cache<__cache_type> __uc;
279 const locale& __loc = __io._M_getloc();
280 const __cache_type* __lc = __uc(__loc);
281 const _CharT* __lit = __lc->_M_atoms_in;
283 // True if a mantissa is found.
284 bool __found_mantissa = false;
286 // First check for sign.
289 const char_type __c = *__beg;
290 const bool __plus = __c == __lit[__num_base::_S_iplus];
291 if ((__plus || __c == __lit[__num_base::_S_iminus])
292 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
293 && !(__c == __lc->_M_decimal_point))
295 __xtrc += __plus ? '+' : '-';
300 // Next, look for leading zeros.
301 while (__beg != __end)
303 const char_type __c = *__beg;
304 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
305 || __c == __lc->_M_decimal_point)
307 else if (__c == __lit[__num_base::_S_izero])
309 if (!__found_mantissa)
312 __found_mantissa = true;
320 // Only need acceptable digits for floating point numbers.
321 bool __found_dec = false;
322 bool __found_sci = false;
323 string __found_grouping;
324 if (__lc->_M_use_grouping)
325 __found_grouping.reserve(32);
327 const char_type* __lit_zero = __lit + __num_base::_S_izero;
328 const char_type* __q;
329 while (__beg != __end)
331 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
332 // and decimal_point.
333 const char_type __c = *__beg;
334 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
336 if (!__found_dec && !__found_sci)
338 // NB: Thousands separator at the beginning of a string
339 // is a no-no, as is two consecutive thousands separators.
342 __found_grouping += static_cast<char>(__sep_pos);
348 __err |= ios_base::failbit;
355 else if (__c == __lc->_M_decimal_point)
357 if (!__found_dec && !__found_sci)
359 // If no grouping chars are seen, no grouping check
360 // is applied. Therefore __found_grouping is adjusted
361 // only if decimal_point comes after some thousands_sep.
362 if (__found_grouping.size())
363 __found_grouping += static_cast<char>(__sep_pos);
371 else if (__q = __traits_type::find(__lit_zero, 10, __c))
373 __xtrc += __num_base::_S_atoms_in[__q - __lit];
374 __found_mantissa = true;
378 else if ((__c == __lit[__num_base::_S_ie]
379 || __c == __lit[__num_base::_S_iE])
380 && __found_mantissa && !__found_sci)
382 // Scientific notation.
383 if (__found_grouping.size() && !__found_dec)
384 __found_grouping += static_cast<char>(__sep_pos);
388 // Remove optional plus or minus sign, if they exist.
389 if (++__beg != __end)
391 const bool __plus = *__beg == __lit[__num_base::_S_iplus];
392 if ((__plus || *__beg == __lit[__num_base::_S_iminus])
393 && !(__lc->_M_use_grouping
394 && *__beg == __lc->_M_thousands_sep)
395 && !(*__beg == __lc->_M_decimal_point))
397 __xtrc += __plus ? '+' : '-';
403 // Not a valid input item.
407 // Digit grouping is checked. If grouping and found_grouping don't
408 // match, then get very very upset, and set failbit.
409 if (__lc->_M_use_grouping && __found_grouping.size())
411 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
412 if (!__found_dec && !__found_sci)
413 __found_grouping += static_cast<char>(__sep_pos);
415 if (!std::__verify_grouping(__lc->_M_grouping,
416 __lc->_M_grouping_size,
418 __err |= ios_base::failbit;
423 __err |= ios_base::eofbit;
427 template<typename _CharT, typename _InIter>
428 template<typename _ValueT>
430 num_get<_CharT, _InIter>::
431 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
432 ios_base::iostate& __err, _ValueT& __v) const
434 typedef char_traits<_CharT> __traits_type;
435 typedef typename numpunct<_CharT>::__cache_type __cache_type;
436 __use_cache<__cache_type> __uc;
437 const locale& __loc = __io._M_getloc();
438 const __cache_type* __lc = __uc(__loc);
439 const _CharT* __lit = __lc->_M_atoms_in;
441 // NB: Iff __basefield == 0, __base can change based on contents.
442 const ios_base::fmtflags __basefield = __io.flags()
443 & ios_base::basefield;
444 const bool __oct = __basefield == ios_base::oct;
445 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
447 // True if numeric digits are found.
448 bool __found_num = false;
450 // First check for sign.
451 bool __negative = false;
454 const char_type __c = *__beg;
455 if (numeric_limits<_ValueT>::is_signed)
456 __negative = __c == __lit[__num_base::_S_iminus];
457 if ((__negative || __c == __lit[__num_base::_S_iplus])
458 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
459 && !(__c == __lc->_M_decimal_point))
463 // Next, look for leading zeros and check required digits
465 while (__beg != __end)
467 const char_type __c = *__beg;
468 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
469 || __c == __lc->_M_decimal_point)
471 else if (__c == __lit[__num_base::_S_izero]
472 && (!__found_num || __base == 10))
477 else if (__found_num)
479 if (__c == __lit[__num_base::_S_ix]
480 || __c == __lit[__num_base::_S_iX])
482 if (__basefield == 0)
490 else if (__basefield == 0)
498 // At this point, base is determined. If not hex, only allow
499 // base digits as valid input.
500 const size_t __len = __base == 16 ? (__num_base::_S_iend
501 - __num_base::_S_izero)
505 string __found_grouping;
506 if (__lc->_M_use_grouping)
507 __found_grouping.reserve(32);
509 bool __overflow = false;
510 _ValueT __result = 0;
511 const char_type* __lit_zero = __lit + __num_base::_S_izero;
512 const char_type* __q;
515 const _ValueT __min = numeric_limits<_ValueT>::min() / __base;
516 for (; __beg != __end; ++__beg)
518 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
519 // and decimal_point.
520 const char_type __c = *__beg;
521 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
523 // NB: Thousands separator at the beginning of a string
524 // is a no-no, as is two consecutive thousands separators.
527 __found_grouping += static_cast<char>(__sep_pos);
532 __err |= ios_base::failbit;
536 else if (__c == __lc->_M_decimal_point)
538 else if (__q = __traits_type::find(__lit_zero, __len, __c))
540 int __digit = __q - __lit_zero;
543 if (__result < __min)
547 const _ValueT __new_result = __result * __base
549 __overflow |= __new_result > __result;
550 __result = __new_result;
556 // Not a valid input item.
562 const _ValueT __max = numeric_limits<_ValueT>::max() / __base;
563 for (; __beg != __end; ++__beg)
565 const char_type __c = *__beg;
566 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
570 __found_grouping += static_cast<char>(__sep_pos);
575 __err |= ios_base::failbit;
579 else if (__c == __lc->_M_decimal_point)
581 else if (__q = __traits_type::find(__lit_zero, __len, __c))
583 int __digit = __q - __lit_zero;
586 if (__result > __max)
590 const _ValueT __new_result = __result * __base
592 __overflow |= __new_result < __result;
593 __result = __new_result;
603 // Digit grouping is checked. If grouping and found_grouping don't
604 // match, then get very very upset, and set failbit.
605 if (__lc->_M_use_grouping && __found_grouping.size())
607 // Add the ending grouping.
608 __found_grouping += static_cast<char>(__sep_pos);
610 if (!std::__verify_grouping(__lc->_M_grouping,
611 __lc->_M_grouping_size,
613 __err |= ios_base::failbit;
616 if (!(__err & ios_base::failbit) && !__overflow
620 __err |= ios_base::failbit;
623 __err |= ios_base::eofbit;
627 // _GLIBCXX_RESOLVE_LIB_DEFECTS
628 // 17. Bad bool parsing
629 template<typename _CharT, typename _InIter>
631 num_get<_CharT, _InIter>::
632 do_get(iter_type __beg, iter_type __end, ios_base& __io,
633 ios_base::iostate& __err, bool& __v) const
635 if (!(__io.flags() & ios_base::boolalpha))
637 // Parse bool values as long.
638 // NB: We can't just call do_get(long) here, as it might
639 // refer to a derived class.
641 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
642 if (__l == 0 || __l == 1)
645 __err |= ios_base::failbit;
649 // Parse bool values as alphanumeric.
650 typedef char_traits<_CharT> __traits_type;
651 typedef typename numpunct<_CharT>::__cache_type __cache_type;
652 __use_cache<__cache_type> __uc;
653 const locale& __loc = __io._M_getloc();
654 const __cache_type* __lc = __uc(__loc);
659 for (__n = 0; __beg != __end; ++__n, ++__beg)
662 if (__n < __lc->_M_falsename_size)
663 __testf = *__beg == __lc->_M_falsename[__n];
668 if (__n < __lc->_M_truename_size)
669 __testt = *__beg == __lc->_M_truename[__n];
673 if (!__testf && !__testt)
676 if (__testf && __n == __lc->_M_falsename_size)
678 else if (__testt && __n == __lc->_M_truename_size)
681 __err |= ios_base::failbit;
684 __err |= ios_base::eofbit;
689 template<typename _CharT, typename _InIter>
691 num_get<_CharT, _InIter>::
692 do_get(iter_type __beg, iter_type __end, ios_base& __io,
693 ios_base::iostate& __err, long& __v) const
694 { return _M_extract_int(__beg, __end, __io, __err, __v); }
696 template<typename _CharT, typename _InIter>
698 num_get<_CharT, _InIter>::
699 do_get(iter_type __beg, iter_type __end, ios_base& __io,
700 ios_base::iostate& __err, unsigned short& __v) const
701 { return _M_extract_int(__beg, __end, __io, __err, __v); }
703 template<typename _CharT, typename _InIter>
705 num_get<_CharT, _InIter>::
706 do_get(iter_type __beg, iter_type __end, ios_base& __io,
707 ios_base::iostate& __err, unsigned int& __v) const
708 { return _M_extract_int(__beg, __end, __io, __err, __v); }
710 template<typename _CharT, typename _InIter>
712 num_get<_CharT, _InIter>::
713 do_get(iter_type __beg, iter_type __end, ios_base& __io,
714 ios_base::iostate& __err, unsigned long& __v) const
715 { return _M_extract_int(__beg, __end, __io, __err, __v); }
717 #ifdef _GLIBCXX_USE_LONG_LONG
718 template<typename _CharT, typename _InIter>
720 num_get<_CharT, _InIter>::
721 do_get(iter_type __beg, iter_type __end, ios_base& __io,
722 ios_base::iostate& __err, long long& __v) const
723 { return _M_extract_int(__beg, __end, __io, __err, __v); }
725 template<typename _CharT, typename _InIter>
727 num_get<_CharT, _InIter>::
728 do_get(iter_type __beg, iter_type __end, ios_base& __io,
729 ios_base::iostate& __err, unsigned long long& __v) const
730 { return _M_extract_int(__beg, __end, __io, __err, __v); }
733 template<typename _CharT, typename _InIter>
735 num_get<_CharT, _InIter>::
736 do_get(iter_type __beg, iter_type __end, ios_base& __io,
737 ios_base::iostate& __err, float& __v) const
741 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
742 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
746 template<typename _CharT, typename _InIter>
748 num_get<_CharT, _InIter>::
749 do_get(iter_type __beg, iter_type __end, ios_base& __io,
750 ios_base::iostate& __err, double& __v) const
754 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
755 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
759 template<typename _CharT, typename _InIter>
761 num_get<_CharT, _InIter>::
762 do_get(iter_type __beg, iter_type __end, ios_base& __io,
763 ios_base::iostate& __err, long double& __v) const
767 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
768 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
772 template<typename _CharT, typename _InIter>
774 num_get<_CharT, _InIter>::
775 do_get(iter_type __beg, iter_type __end, ios_base& __io,
776 ios_base::iostate& __err, void*& __v) const
778 // Prepare for hex formatted input.
779 typedef ios_base::fmtflags fmtflags;
780 const fmtflags __fmt = __io.flags();
781 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
784 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
786 // Reset from hex formatted input.
789 if (!(__err & ios_base::failbit))
790 __v = reinterpret_cast<void*>(__ul);
792 __err |= ios_base::failbit;
796 // For use by integer and floating-point types after they have been
797 // converted into a char_type string.
798 template<typename _CharT, typename _OutIter>
800 num_put<_CharT, _OutIter>::
801 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
802 _CharT* __new, const _CharT* __cs, int& __len) const
804 // [22.2.2.2.2] Stage 3.
805 // If necessary, pad.
806 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
808 __len = static_cast<int>(__w);
811 // Forwarding functions to peel signed from unsigned integer types.
812 template<typename _CharT>
814 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
815 ios_base::fmtflags __flags)
817 unsigned long __ul = static_cast<unsigned long>(__v);
824 return __int_to_char(__bufend, __ul, __lit, __flags, __neg);
827 template<typename _CharT>
829 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
830 ios_base::fmtflags __flags)
832 // About showpos, see Table 60 and C99 7.19.6.1, p6 (+).
833 return __int_to_char(__bufend, __v, __lit,
834 __flags & ~ios_base::showpos, false);
837 #ifdef _GLIBCXX_USE_LONG_LONG
838 template<typename _CharT>
840 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
841 ios_base::fmtflags __flags)
843 unsigned long long __ull = static_cast<unsigned long long>(__v);
850 return __int_to_char(__bufend, __ull, __lit, __flags, __neg);
853 template<typename _CharT>
855 __int_to_char(_CharT* __bufend, unsigned long long __v,
856 const _CharT* __lit, ios_base::fmtflags __flags)
857 { return __int_to_char(__bufend, __v, __lit,
858 __flags & ~ios_base::showpos, false); }
861 template<typename _CharT, typename _ValueT>
863 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
864 ios_base::fmtflags __flags, bool __neg)
866 // Don't write base if already 0.
867 const bool __showbase = (__flags & ios_base::showbase) && __v;
868 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
869 _CharT* __buf = __bufend - 1;
871 if (__builtin_expect(__basefield != ios_base::oct &&
872 __basefield != ios_base::hex, true))
877 *__buf-- = __lit[(__v % 10) + __num_base::_S_odigits];
882 *__buf-- = __lit[__num_base::_S_ominus];
883 else if (__flags & ios_base::showpos)
884 *__buf-- = __lit[__num_base::_S_oplus];
886 else if (__basefield == ios_base::oct)
891 *__buf-- = __lit[(__v & 0x7) + __num_base::_S_odigits];
896 *__buf-- = __lit[__num_base::_S_odigits];
901 const bool __uppercase = __flags & ios_base::uppercase;
902 const int __case_offset = __uppercase ? __num_base::_S_oudigits
903 : __num_base::_S_odigits;
906 *__buf-- = __lit[(__v & 0xf) + __case_offset];
913 *__buf-- = __lit[__num_base::_S_ox + __uppercase];
915 *__buf-- = __lit[__num_base::_S_odigits];
918 return __bufend - __buf - 1;
921 template<typename _CharT, typename _OutIter>
923 num_put<_CharT, _OutIter>::
924 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
925 ios_base& __io, _CharT* __new, _CharT* __cs, int& __len) const
927 // By itself __add_grouping cannot deal correctly with __cs when
928 // ios::showbase is set and ios_base::oct || ios_base::hex.
929 // Therefore we take care "by hand" of the initial 0, 0x or 0X.
930 // However, remember that the latter do not occur if the number
931 // printed is '0' (__len == 1).
932 streamsize __off = 0;
933 const ios_base::fmtflags __basefield = __io.flags()
934 & ios_base::basefield;
935 if ((__io.flags() & ios_base::showbase) && __len > 1)
936 if (__basefield == ios_base::oct)
941 else if (__basefield == ios_base::hex)
948 __p = std::__add_grouping(__new + __off, __sep, __grouping,
949 __grouping_size, __cs + __off,
954 template<typename _CharT, typename _OutIter>
955 template<typename _ValueT>
957 num_put<_CharT, _OutIter>::
958 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
961 typedef typename numpunct<_CharT>::__cache_type __cache_type;
962 __use_cache<__cache_type> __uc;
963 const locale& __loc = __io._M_getloc();
964 const __cache_type* __lc = __uc(__loc);
965 const _CharT* __lit = __lc->_M_atoms_out;
967 // Long enough to hold hex, dec, and octal representations.
968 const int __ilen = 4 * sizeof(_ValueT);
969 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
972 // [22.2.2.2.2] Stage 1, numeric conversion to character.
973 // Result is returned right-justified in the buffer.
975 __len = __int_to_char(__cs + __ilen, __v, __lit, __io.flags());
976 __cs += __ilen - __len;
978 // Add grouping, if necessary.
979 if (__lc->_M_use_grouping)
981 // Grouping can add (almost) as many separators as the
982 // number of digits, but no more.
983 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
985 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
986 __lc->_M_thousands_sep, __io, __cs2, __cs, __len);
991 const streamsize __w = __io.width();
992 if (__w > static_cast<streamsize>(__len))
994 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
996 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1001 // [22.2.2.2.2] Stage 4.
1002 // Write resulting, fully-formatted string to output iterator.
1003 return std::__write(__s, __cs, __len);
1006 template<typename _CharT, typename _OutIter>
1008 num_put<_CharT, _OutIter>::
1009 _M_group_float(const char* __grouping, size_t __grouping_size,
1010 _CharT __sep, const _CharT* __p, _CharT* __new,
1011 _CharT* __cs, int& __len) const
1013 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1014 // 282. What types does numpunct grouping refer to?
1015 // Add grouping, if necessary.
1017 const int __declen = __p ? __p - __cs : __len;
1018 __p2 = std::__add_grouping(__new, __sep, __grouping, __grouping_size,
1019 __cs, __cs + __declen);
1021 // Tack on decimal part.
1022 int __newlen = __p2 - __new;
1025 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1026 __newlen += __len - __declen;
1031 // The following code uses snprintf (or sprintf(), when
1032 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1033 // for insertion into a stream. An optimization would be to replace
1034 // them with code that works directly on a wide buffer and then use
1035 // __pad to do the padding. It would be good to replace them anyway
1036 // to gain back the efficiency that C++ provides by knowing up front
1037 // the type of the values to insert. Also, sprintf is dangerous
1038 // since may lead to accidental buffer overruns. This
1039 // implementation follows the C++ standard fairly directly as
1040 // outlined in 22.2.2.2 [lib.locale.num.put]
1041 template<typename _CharT, typename _OutIter>
1042 template<typename _ValueT>
1044 num_put<_CharT, _OutIter>::
1045 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1048 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1049 __use_cache<__cache_type> __uc;
1050 const locale& __loc = __io._M_getloc();
1051 const __cache_type* __lc = __uc(__loc);
1053 // Use default precision if out of range.
1054 streamsize __prec = __io.precision();
1055 if (__prec < static_cast<streamsize>(0))
1056 __prec = static_cast<streamsize>(6);
1058 const int __max_digits = numeric_limits<_ValueT>::digits10;
1060 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1062 // Long enough for the max format spec.
1065 #ifdef _GLIBCXX_USE_C99
1066 // First try a buffer perhaps big enough (most probably sufficient
1067 // for non-ios_base::fixed outputs)
1068 int __cs_size = __max_digits * 3;
1069 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1071 __num_base::_S_format_float(__io, __fbuf, __mod);
1072 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1073 _S_get_c_locale(), __prec);
1075 // If the buffer was not large enough, try again with the correct size.
1076 if (__len >= __cs_size)
1078 __cs_size = __len + 1;
1079 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1080 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1081 _S_get_c_locale(), __prec);
1084 // Consider the possibility of long ios_base::fixed outputs
1085 const bool __fixed = __io.flags() & ios_base::fixed;
1086 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1088 // The size of the output string is computed as follows.
1089 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1090 // for the integer part + __prec chars for the fractional part
1091 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1092 // for non-fixed outputs __max_digits * 2 + __prec chars are
1093 // largely sufficient.
1094 const int __cs_size = __fixed ? __max_exp + __prec + 4
1095 : __max_digits * 2 + __prec;
1096 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1098 __num_base::_S_format_float(__io, __fbuf, __mod);
1099 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1100 _S_get_c_locale(), __prec);
1103 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1104 // numpunct.decimal_point() values for '.' and adding grouping.
1105 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1107 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1109 __ctype.widen(__cs, __cs + __len, __ws);
1111 // Replace decimal point.
1112 const _CharT __cdec = __ctype.widen('.');
1113 const _CharT __dec = __lc->_M_decimal_point;
1115 if (__p = char_traits<_CharT>::find(__ws, __len, __cdec))
1116 __ws[__p - __ws] = __dec;
1118 // Add grouping, if necessary.
1119 if (__lc->_M_use_grouping)
1121 // Grouping can add (almost) as many separators as the
1122 // number of digits, but no more.
1123 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1125 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1126 __lc->_M_thousands_sep, __p, __ws2, __ws, __len);
1131 const streamsize __w = __io.width();
1132 if (__w > static_cast<streamsize>(__len))
1134 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1136 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1141 // [22.2.2.2.2] Stage 4.
1142 // Write resulting, fully-formatted string to output iterator.
1143 return std::__write(__s, __ws, __len);
1146 template<typename _CharT, typename _OutIter>
1148 num_put<_CharT, _OutIter>::
1149 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1151 const ios_base::fmtflags __flags = __io.flags();
1152 if ((__flags & ios_base::boolalpha) == 0)
1154 const long __l = __v;
1155 __s = _M_insert_int(__s, __io, __fill, __l);
1159 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1160 __use_cache<__cache_type> __uc;
1161 const locale& __loc = __io._M_getloc();
1162 const __cache_type* __lc = __uc(__loc);
1164 const _CharT* __name = __v ? __lc->_M_truename
1165 : __lc->_M_falsename;
1166 int __len = __v ? __lc->_M_truename_size
1167 : __lc->_M_falsename_size;
1169 const streamsize __w = __io.width();
1170 if (__w > static_cast<streamsize>(__len))
1173 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1175 _M_pad(__fill, __w, __io, __cs, __name, __len);
1179 __s = std::__write(__s, __name, __len);
1184 template<typename _CharT, typename _OutIter>
1186 num_put<_CharT, _OutIter>::
1187 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1188 { return _M_insert_int(__s, __io, __fill, __v); }
1190 template<typename _CharT, typename _OutIter>
1192 num_put<_CharT, _OutIter>::
1193 do_put(iter_type __s, ios_base& __io, char_type __fill,
1194 unsigned long __v) const
1195 { return _M_insert_int(__s, __io, __fill, __v); }
1197 #ifdef _GLIBCXX_USE_LONG_LONG
1198 template<typename _CharT, typename _OutIter>
1200 num_put<_CharT, _OutIter>::
1201 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1202 { return _M_insert_int(__s, __b, __fill, __v); }
1204 template<typename _CharT, typename _OutIter>
1206 num_put<_CharT, _OutIter>::
1207 do_put(iter_type __s, ios_base& __io, char_type __fill,
1208 unsigned long long __v) const
1209 { return _M_insert_int(__s, __io, __fill, __v); }
1212 template<typename _CharT, typename _OutIter>
1214 num_put<_CharT, _OutIter>::
1215 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1216 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1218 template<typename _CharT, typename _OutIter>
1220 num_put<_CharT, _OutIter>::
1221 do_put(iter_type __s, ios_base& __io, char_type __fill,
1222 long double __v) const
1223 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1225 template<typename _CharT, typename _OutIter>
1227 num_put<_CharT, _OutIter>::
1228 do_put(iter_type __s, ios_base& __io, char_type __fill,
1229 const void* __v) const
1231 const ios_base::fmtflags __flags = __io.flags();
1232 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1233 | ios_base::uppercase
1234 | ios_base::internal);
1235 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1237 __s = _M_insert_int(__s, __io, __fill,
1238 reinterpret_cast<unsigned long>(__v));
1239 __io.flags(__flags);
1243 template<typename _CharT, typename _InIter>
1244 template<bool _Intl>
1246 money_get<_CharT, _InIter>::
1247 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1248 ios_base::iostate& __err, string& __units) const
1250 typedef char_traits<_CharT> __traits_type;
1251 typedef typename string_type::size_type size_type;
1252 typedef money_base::part part;
1253 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1254 typedef typename __moneypunct_type::__cache_type __cache_type;
1256 const locale& __loc = __io._M_getloc();
1257 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1259 __use_cache<__cache_type> __uc;
1260 const __cache_type* __lc = __uc(__loc);
1261 const char_type* __lit = __lc->_M_atoms;
1264 bool __negative = false;
1266 size_type __sign_size = 0;
1267 // True if sign is mandatory.
1268 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1269 && __lc->_M_negative_sign_size);
1270 // String of grouping info from thousands_sep plucked from __units.
1271 string __grouping_tmp;
1272 if (__lc->_M_use_grouping)
1273 __grouping_tmp.reserve(32);
1274 // Last position before the decimal point.
1276 // Separator positions, then, possibly, fractional digits.
1278 // If input iterator is in a valid state.
1279 bool __testvalid = true;
1280 // Flag marking when a decimal point is found.
1281 bool __testdecfound = false;
1283 // The tentative returned string is stored here.
1287 const char_type* __lit_zero = __lit + money_base::_S_zero;
1288 const char_type* __q;
1289 const money_base::pattern __p = __lc->_M_neg_format;
1290 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1292 const part __which = static_cast<part>(__p.field[__i]);
1295 case money_base::symbol:
1296 // According to 22.2.6.1.2, p2, symbol is required
1297 // if (__io.flags() & ios_base::showbase), otherwise
1298 // is optional and consumed only if other characters
1299 // are needed to complete the format.
1300 if (__io.flags() & ios_base::showbase || __sign_size > 1
1302 || (__i == 1 && (__mandatory_sign
1303 || (static_cast<part>(__p.field[0])
1304 == money_base::sign)
1305 || (static_cast<part>(__p.field[2])
1306 == money_base::space)))
1307 || (__i == 2 && ((static_cast<part>(__p.field[3])
1308 == money_base::value)
1310 && (static_cast<part>(__p.field[3])
1311 == money_base::sign))))
1313 const size_type __len = __lc->_M_curr_symbol_size;
1315 for (; __beg != __end && __j < __len
1316 && *__beg == __lc->_M_curr_symbol[__j];
1319 && (__j || __io.flags() & ios_base::showbase))
1320 __testvalid = false;
1323 case money_base::sign:
1324 // Sign might not exist, or be more than one character long.
1325 if (__lc->_M_positive_sign_size && __beg != __end
1326 && *__beg == __lc->_M_positive_sign[0])
1328 __sign_size = __lc->_M_positive_sign_size;
1331 else if (__lc->_M_negative_sign_size && __beg != __end
1332 && *__beg == __lc->_M_negative_sign[0])
1335 __sign_size = __lc->_M_negative_sign_size;
1338 else if (__lc->_M_positive_sign_size
1339 && !__lc->_M_negative_sign_size)
1340 // "... if no sign is detected, the result is given the sign
1341 // that corresponds to the source of the empty string"
1343 else if (__mandatory_sign)
1344 __testvalid = false;
1346 case money_base::value:
1347 // Extract digits, remove and stash away the
1348 // grouping of found thousands separators.
1349 for (; __beg != __end; ++__beg)
1350 if (__q = __traits_type::find(__lit_zero, 10, *__beg))
1352 __res += money_base::_S_atoms[__q - __lit];
1355 else if (*__beg == __lc->_M_decimal_point && !__testdecfound)
1359 __testdecfound = true;
1361 else if (__lc->_M_use_grouping
1362 && *__beg == __lc->_M_thousands_sep
1367 // Mark position for later analysis.
1368 __grouping_tmp += static_cast<char>(__n);
1373 __testvalid = false;
1380 __testvalid = false;
1382 case money_base::space:
1383 // At least one space is required.
1384 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1387 __testvalid = false;
1388 case money_base::none:
1389 // Only if not at the end of the pattern.
1391 for (; __beg != __end
1392 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1397 // Need to get the rest of the sign characters, if they exist.
1398 if (__sign_size > 1 && __testvalid)
1400 const char_type* __sign = __negative ? __lc->_M_negative_sign
1401 : __lc->_M_positive_sign;
1403 for (; __beg != __end && __i < __sign_size
1404 && *__beg == __sign[__i]; ++__beg, ++__i);
1406 if (__i != __sign_size)
1407 __testvalid = false;
1412 // Strip leading zeros.
1413 if (__res.size() > 1)
1415 const size_type __first = __res.find_first_not_of('0');
1416 const bool __only_zeros = __first == string::npos;
1418 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1422 if (__negative && __res[0] != '0')
1423 __res.insert(__res.begin(), '-');
1425 // Test for grouping fidelity.
1426 if (__grouping_tmp.size())
1428 // Add the ending grouping.
1429 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1431 if (!std::__verify_grouping(__lc->_M_grouping,
1432 __lc->_M_grouping_size,
1434 __testvalid = false;
1437 // Iff not enough digits were supplied after the decimal-point.
1438 if (__testdecfound && __lc->_M_frac_digits > 0
1439 && __n != __lc->_M_frac_digits)
1440 __testvalid = false;
1443 // Iff no more characters are available.
1445 __err |= ios_base::eofbit;
1447 // Iff valid sequence is not recognized.
1449 __err |= ios_base::failbit;
1451 __units.swap(__res);
1456 template<typename _CharT, typename _InIter>
1458 money_get<_CharT, _InIter>::
1459 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1460 ios_base::iostate& __err, long double& __units) const
1464 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1466 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1467 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1471 template<typename _CharT, typename _InIter>
1473 money_get<_CharT, _InIter>::
1474 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1475 ios_base::iostate& __err, string_type& __units) const
1477 typedef typename string::size_type size_type;
1479 const locale& __loc = __io._M_getloc();
1480 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1483 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1485 : _M_extract<false>(__beg, __end, __io,
1487 const size_type __len = __str.size();
1490 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1492 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1493 __units.assign(__ws, __len);
1499 template<typename _CharT, typename _OutIter>
1500 template<bool _Intl>
1502 money_put<_CharT, _OutIter>::
1503 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1504 const string_type& __digits) const
1506 typedef typename string_type::size_type size_type;
1507 typedef money_base::part part;
1508 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1509 typedef typename __moneypunct_type::__cache_type __cache_type;
1511 const locale& __loc = __io._M_getloc();
1512 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1514 __use_cache<__cache_type> __uc;
1515 const __cache_type* __lc = __uc(__loc);
1516 const char_type* __lit = __lc->_M_atoms;
1518 // Determine if negative or positive formats are to be used, and
1519 // discard leading negative_sign if it is present.
1520 const char_type* __beg = __digits.data();
1522 money_base::pattern __p;
1523 const char_type* __sign;
1524 size_type __sign_size;
1525 if (*__beg != __lit[money_base::_S_minus])
1527 __p = __lc->_M_pos_format;
1528 __sign = __lc->_M_positive_sign;
1529 __sign_size = __lc->_M_positive_sign_size;
1533 __p = __lc->_M_neg_format;
1534 __sign = __lc->_M_negative_sign;
1535 __sign_size = __lc->_M_negative_sign_size;
1536 if (__digits.size())
1540 // Look for valid numbers in the ctype facet within input digits.
1541 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1542 __beg + __digits.size()) - __beg;
1545 // Assume valid input, and attempt to format.
1546 // Break down input numbers into base components, as follows:
1547 // final_value = grouped units + (decimal point) + (digits)
1548 string_type __value;
1549 __value.reserve(2 * __len);
1551 // Add thousands separators to non-decimal digits, per
1553 int __paddec = __len - __lc->_M_frac_digits;
1556 if (__lc->_M_frac_digits < 0)
1558 if (__lc->_M_grouping_size)
1561 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1564 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1566 __lc->_M_grouping_size,
1567 __beg, __beg + __paddec);
1568 __value.assign(__ws, __ws_end - __ws);
1571 __value.assign(__beg, __paddec);
1574 // Deal with decimal point, decimal digits.
1575 if (__lc->_M_frac_digits > 0)
1577 __value += __lc->_M_decimal_point;
1579 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1582 // Have to pad zeros in the decimal position.
1583 __value.append(-__paddec, __lit[money_base::_S_zero]);
1584 __value.append(__beg, __len);
1588 // Calculate length of resulting string.
1589 const ios_base::fmtflags __f = __io.flags()
1590 & ios_base::adjustfield;
1591 __len = __value.size() + __sign_size;
1592 __len += ((__io.flags() & ios_base::showbase)
1593 ? __lc->_M_curr_symbol_size : 0);
1596 __res.reserve(2 * __len);
1598 const size_type __width = static_cast<size_type>(__io.width());
1599 const bool __testipad = (__f == ios_base::internal
1600 && __len < __width);
1601 // Fit formatted digits into the required pattern.
1602 for (int __i = 0; __i < 4; ++__i)
1604 const part __which = static_cast<part>(__p.field[__i]);
1607 case money_base::symbol:
1608 if (__io.flags() & ios_base::showbase)
1609 __res.append(__lc->_M_curr_symbol,
1610 __lc->_M_curr_symbol_size);
1612 case money_base::sign:
1613 // Sign might not exist, or be more than one
1614 // charater long. In that case, add in the rest
1619 case money_base::value:
1622 case money_base::space:
1623 // At least one space is required, but if internal
1624 // formatting is required, an arbitrary number of
1625 // fill spaces will be necessary.
1627 __res.append(__width - __len, __fill);
1631 case money_base::none:
1633 __res.append(__width - __len, __fill);
1638 // Special case of multi-part sign parts.
1639 if (__sign_size > 1)
1640 __res.append(__sign + 1, __sign_size - 1);
1642 // Pad, if still necessary.
1643 __len = __res.size();
1644 if (__width > __len)
1646 if (__f == ios_base::left)
1648 __res.append(__width - __len, __fill);
1651 __res.insert(0, __width - __len, __fill);
1655 // Write resulting, fully-formatted string to output iterator.
1656 __s = std::__write(__s, __res.data(), __len);
1662 template<typename _CharT, typename _OutIter>
1664 money_put<_CharT, _OutIter>::
1665 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1666 long double __units) const
1668 const locale __loc = __io.getloc();
1669 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1670 #ifdef _GLIBCXX_USE_C99
1671 // First try a buffer perhaps big enough.
1673 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1674 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1675 // 328. Bad sprintf format modifier in money_put<>::do_put()
1676 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1677 _S_get_c_locale(), 0);
1678 // If the buffer was not large enough, try again with the correct size.
1679 if (__len >= __cs_size)
1681 __cs_size = __len + 1;
1682 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1683 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1684 _S_get_c_locale(), 0);
1687 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1688 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1689 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1690 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1691 _S_get_c_locale(), 0);
1693 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1695 __ctype.widen(__cs, __cs + __len, __ws);
1696 const string_type __digits(__ws, __len);
1697 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1698 : _M_insert<false>(__s, __io, __fill, __digits);
1701 template<typename _CharT, typename _OutIter>
1703 money_put<_CharT, _OutIter>::
1704 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1705 const string_type& __digits) const
1706 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1707 : _M_insert<false>(__s, __io, __fill, __digits); }
1710 // NB: Not especially useful. Without an ios_base object or some
1711 // kind of locale reference, we are left clawing at the air where
1712 // the side of the mountain used to be...
1713 template<typename _CharT, typename _InIter>
1714 time_base::dateorder
1715 time_get<_CharT, _InIter>::do_date_order() const
1716 { return time_base::no_order; }
1718 // Expand a strftime format string and parse it. E.g., do_get_date() may
1719 // pass %m/%d/%Y => extracted characters.
1720 template<typename _CharT, typename _InIter>
1722 time_get<_CharT, _InIter>::
1723 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1724 ios_base::iostate& __err, tm* __tm,
1725 const _CharT* __format) const
1727 const locale& __loc = __io._M_getloc();
1728 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1729 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1730 const size_t __len = char_traits<_CharT>::length(__format);
1732 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1734 if (__ctype.narrow(__format[__i], 0) == '%')
1736 // Verify valid formatting code, attempt to extract.
1737 char __c = __ctype.narrow(__format[++__i], 0);
1739 if (__c == 'E' || __c == 'O')
1740 __c = __ctype.narrow(__format[++__i], 0);
1746 // Abbreviated weekday name [tm_wday]
1747 const char_type* __days1[7];
1748 __tp._M_days_abbreviated(__days1);
1749 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1753 // Weekday name [tm_wday].
1754 const char_type* __days2[7];
1755 __tp._M_days(__days2);
1756 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1761 // Abbreviated month name [tm_mon]
1762 const char_type* __months1[12];
1763 __tp._M_months_abbreviated(__months1);
1764 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1765 __months1, 12, __io, __err);
1768 // Month name [tm_mon].
1769 const char_type* __months2[12];
1770 __tp._M_months(__months2);
1771 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1772 __months2, 12, __io, __err);
1775 // Default time and date representation.
1776 const char_type* __dt[2];
1777 __tp._M_date_time_formats(__dt);
1778 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1782 // Day [01, 31]. [tm_mday]
1783 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1787 // Day [1, 31], with single digits preceded by
1789 if (__ctype.is(ctype_base::space, *__beg))
1790 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1793 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1797 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1799 __ctype.widen(__cs, __cs + 9, __wcs);
1800 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1804 // Hour [00, 23]. [tm_hour]
1805 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1809 // Hour [01, 12]. [tm_hour]
1810 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1814 // Month [01, 12]. [tm_mon]
1815 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1818 __tm->tm_mon = __mem - 1;
1821 // Minute [00, 59]. [tm_min]
1822 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1826 if (__ctype.narrow(*__beg, 0) == '\n')
1829 __err |= ios_base::failbit;
1832 // Equivalent to (%H:%M).
1834 __ctype.widen(__cs, __cs + 6, __wcs);
1835 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1839 // Seconds. [tm_sec]
1840 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1841 #ifdef _GLIBCXX_USE_C99
1842 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1844 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1849 if (__ctype.narrow(*__beg, 0) == '\t')
1852 __err |= ios_base::failbit;
1855 // Equivalent to (%H:%M:%S).
1857 __ctype.widen(__cs, __cs + 9, __wcs);
1858 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1863 const char_type* __dates[2];
1864 __tp._M_date_formats(__dates);
1865 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1870 const char_type* __times[2];
1871 __tp._M_time_formats(__times);
1872 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1877 // Two digit year. [tm_year]
1878 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1882 // Year [1900). [tm_year]
1883 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1886 __tm->tm_year = __mem - 1900;
1890 if (__ctype.is(ctype_base::upper, *__beg))
1893 __beg = _M_extract_name(__beg, __end, __tmp,
1894 __timepunct_cache<_CharT>::_S_timezones,
1897 // GMT requires special effort.
1898 if (__beg != __end && !__err && __tmp == 0
1899 && (*__beg == __ctype.widen('-')
1900 || *__beg == __ctype.widen('+')))
1902 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1904 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1909 __err |= ios_base::failbit;
1913 __err |= ios_base::failbit;
1918 // Verify format and input match, extract and discard.
1919 if (__format[__i] == *__beg)
1922 __err |= ios_base::failbit;
1928 template<typename _CharT, typename _InIter>
1930 time_get<_CharT, _InIter>::
1931 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1932 int __min, int __max, size_t __len,
1933 ios_base& __io, ios_base::iostate& __err) const
1935 const locale& __loc = __io._M_getloc();
1936 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1938 // As-is works for __len = 1, 2, 4, the values actually used.
1939 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1944 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1946 const char __c = __ctype.narrow(*__beg, '*');
1947 if (__c >= '0' && __c <= '9')
1949 __value = __value * 10 + (__c - '0');
1950 const int __valuec = __value * __mult;
1951 if (__valuec > __max || __valuec + __mult < __min)
1961 __err |= ios_base::failbit;
1966 // All elements in __names are unique.
1967 template<typename _CharT, typename _InIter>
1969 time_get<_CharT, _InIter>::
1970 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
1971 const _CharT** __names, size_t __indexlen,
1972 ios_base& __io, ios_base::iostate& __err) const
1974 typedef char_traits<_CharT> __traits_type;
1975 const locale& __loc = __io._M_getloc();
1976 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1978 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
1980 size_t __nmatches = 0;
1982 bool __testvalid = true;
1983 const char_type* __name;
1985 // Look for initial matches.
1986 // NB: Some of the locale data is in the form of all lowercase
1987 // names, and some is in the form of initially-capitalized
1988 // names. Look for both.
1991 const char_type __c = *__beg;
1992 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
1993 if (__c == __names[__i1][0]
1994 || __c == __ctype.toupper(__names[__i1][0]))
1995 __matches[__nmatches++] = __i1;
1998 while (__nmatches > 1)
2000 // Find smallest matching string.
2001 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2002 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2003 __minlen = std::min(__minlen,
2004 __traits_type::length(__names[__matches[__i2]]));
2006 if (__pos < __minlen && __beg != __end)
2007 for (size_t __i3 = 0; __i3 < __nmatches;)
2009 __name = __names[__matches[__i3]];
2010 if (__name[__pos] != *__beg)
2011 __matches[__i3] = __matches[--__nmatches];
2019 if (__nmatches == 1)
2021 // Make sure found name is completely extracted.
2023 __name = __names[__matches[0]];
2024 const size_t __len = __traits_type::length(__name);
2025 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2029 __member = __matches[0];
2031 __testvalid = false;
2034 __testvalid = false;
2036 __err |= ios_base::failbit;
2040 template<typename _CharT, typename _InIter>
2042 time_get<_CharT, _InIter>::
2043 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2044 ios_base::iostate& __err, tm* __tm) const
2046 const locale& __loc = __io._M_getloc();
2047 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2048 const char_type* __times[2];
2049 __tp._M_time_formats(__times);
2050 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2053 __err |= ios_base::eofbit;
2057 template<typename _CharT, typename _InIter>
2059 time_get<_CharT, _InIter>::
2060 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2061 ios_base::iostate& __err, tm* __tm) const
2063 const locale& __loc = __io._M_getloc();
2064 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2065 const char_type* __dates[2];
2066 __tp._M_date_formats(__dates);
2067 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2070 __err |= ios_base::eofbit;
2074 template<typename _CharT, typename _InIter>
2076 time_get<_CharT, _InIter>::
2077 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2078 ios_base::iostate& __err, tm* __tm) const
2080 typedef char_traits<_CharT> __traits_type;
2081 const locale& __loc = __io._M_getloc();
2082 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2083 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2084 const char_type* __days[7];
2085 __tp._M_days_abbreviated(__days);
2087 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2089 // Check to see if non-abbreviated name exists, and extract.
2090 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2091 // exact same order, first to last, such that the resulting
2092 // __days array with the same index points to a day, and that
2093 // day's abbreviated form.
2094 // NB: Also assumes that an abbreviated name is a subset of the name.
2095 if (!__err && __beg != __end)
2097 size_t __pos = __traits_type::length(__days[__tmpwday]);
2098 __tp._M_days(__days);
2099 const char_type* __name = __days[__tmpwday];
2100 if (__name[__pos] == *__beg)
2102 // Extract the rest of it.
2103 const size_t __len = __traits_type::length(__name);
2104 while (__pos < __len && __beg != __end
2105 && __name[__pos] == *__beg)
2108 __err |= ios_base::failbit;
2112 __tm->tm_wday = __tmpwday;
2115 __err |= ios_base::eofbit;
2119 template<typename _CharT, typename _InIter>
2121 time_get<_CharT, _InIter>::
2122 do_get_monthname(iter_type __beg, iter_type __end,
2123 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2125 typedef char_traits<_CharT> __traits_type;
2126 const locale& __loc = __io._M_getloc();
2127 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2128 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2129 const char_type* __months[12];
2130 __tp._M_months_abbreviated(__months);
2132 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2135 // Check to see if non-abbreviated name exists, and extract.
2136 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2137 // exact same order, first to last, such that the resulting
2138 // __months array with the same index points to a month, and that
2139 // month's abbreviated form.
2140 // NB: Also assumes that an abbreviated name is a subset of the name.
2141 if (!__err && __beg != __end)
2143 size_t __pos = __traits_type::length(__months[__tmpmon]);
2144 __tp._M_months(__months);
2145 const char_type* __name = __months[__tmpmon];
2146 if (__name[__pos] == *__beg)
2148 // Extract the rest of it.
2149 const size_t __len = __traits_type::length(__name);
2150 while (__pos < __len && __beg != __end
2151 && __name[__pos] == *__beg)
2154 __err |= ios_base::failbit;
2158 __tm->tm_mon = __tmpmon;
2161 __err |= ios_base::eofbit;
2165 template<typename _CharT, typename _InIter>
2167 time_get<_CharT, _InIter>::
2168 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2169 ios_base::iostate& __err, tm* __tm) const
2171 const locale& __loc = __io._M_getloc();
2172 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2176 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2178 const char __c = __ctype.narrow(*__beg, '*');
2179 if (__c >= '0' && __c <= '9')
2180 __value = __value * 10 + (__c - '0');
2184 if (__i == 2 || __i == 4)
2185 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2187 __err |= ios_base::failbit;
2189 __err |= ios_base::eofbit;
2193 template<typename _CharT, typename _OutIter>
2195 time_put<_CharT, _OutIter>::
2196 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2197 const _CharT* __beg, const _CharT* __end) const
2199 const locale& __loc = __io._M_getloc();
2200 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2201 for (; __beg != __end; ++__beg)
2202 if (__ctype.narrow(*__beg, 0) != '%')
2207 else if (++__beg != __end)
2211 const char __c = __ctype.narrow(*__beg, 0);
2212 if (__c != 'E' && __c != 'O')
2214 else if (++__beg != __end)
2217 __format = __ctype.narrow(*__beg, 0);
2221 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2228 template<typename _CharT, typename _OutIter>
2230 time_put<_CharT, _OutIter>::
2231 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2232 char __format, char __mod) const
2234 const locale& __loc = __io._M_getloc();
2235 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2236 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2238 // NB: This size is arbitrary. Should this be a data member,
2239 // initialized at construction?
2240 const size_t __maxlen = 128;
2242 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2244 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2245 // is possible that the format character will be longer than one
2246 // character. Possibilities include 'E' or 'O' followed by a
2247 // format character: if __mod is not the default argument, assume
2248 // it's a valid modifier.
2250 __fmt[0] = __ctype.widen('%');
2253 __fmt[1] = __format;
2254 __fmt[2] = char_type();
2259 __fmt[2] = __format;
2260 __fmt[3] = char_type();
2263 __tp._M_put(__res, __maxlen, __fmt, __tm);
2265 // Write resulting, fully-formatted string to output iterator.
2266 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2270 // Generic version does nothing.
2271 template<typename _CharT>
2273 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2276 // Generic version does nothing.
2277 template<typename _CharT>
2279 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2282 template<typename _CharT>
2285 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2286 const _CharT* __lo2, const _CharT* __hi2) const
2288 // strcoll assumes zero-terminated strings so we make a copy
2289 // and then put a zero at the end.
2290 const string_type __one(__lo1, __hi1);
2291 const string_type __two(__lo2, __hi2);
2293 const _CharT* __p = __one.c_str();
2294 const _CharT* __pend = __one.data() + __one.length();
2295 const _CharT* __q = __two.c_str();
2296 const _CharT* __qend = __two.data() + __two.length();
2298 // strcoll stops when it sees a nul character so we break
2299 // the strings into zero-terminated substrings and pass those
2303 const int __res = _M_compare(__p, __q);
2307 __p += char_traits<_CharT>::length(__p);
2308 __q += char_traits<_CharT>::length(__q);
2309 if (__p == __pend && __q == __qend)
2311 else if (__p == __pend)
2313 else if (__q == __qend)
2321 template<typename _CharT>
2322 typename collate<_CharT>::string_type
2324 do_transform(const _CharT* __lo, const _CharT* __hi) const
2326 // strxfrm assumes zero-terminated strings so we make a copy
2327 string_type __str(__lo, __hi);
2329 const _CharT* __p = __str.c_str();
2330 const _CharT* __pend = __str.data() + __str.length();
2332 size_t __len = (__hi - __lo) * 2;
2336 // strxfrm stops when it sees a nul character so we break
2337 // the string into zero-terminated substrings and pass those
2341 // First try a buffer perhaps big enough.
2343 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2344 size_t __res = _M_transform(__c, __p, __len);
2345 // If the buffer was not large enough, try again with the
2350 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2352 __res = _M_transform(__c, __p, __res + 1);
2355 __ret.append(__c, __res);
2356 __p += char_traits<_CharT>::length(__p);
2361 __ret.push_back(_CharT());
2365 template<typename _CharT>
2368 do_hash(const _CharT* __lo, const _CharT* __hi) const
2370 unsigned long __val = 0;
2371 for (; __lo < __hi; ++__lo)
2372 __val = *__lo + ((__val << 7) |
2373 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2374 return static_cast<long>(__val);
2377 // Construct correctly padded string, as per 22.2.2.2.2
2379 // __newlen > __oldlen
2380 // __news is allocated for __newlen size
2381 // Used by both num_put and ostream inserters: if __num,
2382 // internal-adjusted objects are padded according to the rules below
2383 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2386 // NB: Of the two parameters, _CharT can be deduced from the
2387 // function arguments. The other (_Traits) has to be explicitly specified.
2388 template<typename _CharT, typename _Traits>
2390 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2391 _CharT* __news, const _CharT* __olds,
2392 const streamsize __newlen,
2393 const streamsize __oldlen, const bool __num)
2395 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2396 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2399 if (__adjust == ios_base::left)
2401 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2402 _Traits::assign(__news + __oldlen, __plen, __fill);
2407 if (__adjust == ios_base::internal && __num)
2409 // Pad after the sign, if there is one.
2410 // Pad after 0[xX], if there is one.
2411 // Who came up with these rules, anyway? Jeeze.
2412 const locale& __loc = __io._M_getloc();
2413 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2415 const bool __testsign = (__ctype.widen('-') == __olds[0]
2416 || __ctype.widen('+') == __olds[0]);
2417 const bool __testhex = (__ctype.widen('0') == __olds[0]
2419 && (__ctype.widen('x') == __olds[1]
2420 || __ctype.widen('X') == __olds[1]));
2423 __news[0] = __olds[0];
2424 __news[1] = __olds[1];
2428 else if (__testsign)
2430 __news[0] = __olds[0];
2434 // else Padding first.
2436 _Traits::assign(__news, __plen, __fill);
2437 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2442 __verify_grouping(const char* __grouping, size_t __grouping_size,
2443 const string& __grouping_tmp)
2445 const size_t __n = __grouping_tmp.size() - 1;
2446 const size_t __min = std::min(__n, __grouping_size - 1);
2450 // Parsed number groupings have to match the
2451 // numpunct::grouping string exactly, starting at the
2452 // right-most point of the parsed sequence of elements ...
2453 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2454 __test = __grouping_tmp[__i] == __grouping[__j];
2455 for (; __i && __test; --__i)
2456 __test = __grouping_tmp[__i] == __grouping[__min];
2457 // ... but the last parsed grouping can be <= numpunct
2459 __test &= __grouping_tmp[0] <= __grouping[__min];
2463 template<typename _CharT>
2465 __add_grouping(_CharT* __s, _CharT __sep,
2466 const char* __gbeg, size_t __gsize,
2467 const _CharT* __first, const _CharT* __last)
2469 if (__last - __first > *__gbeg)
2471 const bool __bump = __gsize != 1;
2472 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2473 __gsize - __bump, __first,
2475 __first = __last - *__gbeg;
2479 *__s++ = *__first++;
2480 while (__first != __last);
2484 // Inhibit implicit instantiations for required instantiations,
2485 // which are defined via explicit instantiations elsewhere.
2486 // NB: This syntax is a GNU extension.
2487 #if _GLIBCXX_EXTERN_TEMPLATE
2488 extern template class moneypunct<char, false>;
2489 extern template class moneypunct<char, true>;
2490 extern template class moneypunct_byname<char, false>;
2491 extern template class moneypunct_byname<char, true>;
2492 extern template class money_get<char>;
2493 extern template class money_put<char>;
2494 extern template class numpunct<char>;
2495 extern template class numpunct_byname<char>;
2496 extern template class num_get<char>;
2497 extern template class num_put<char>;
2498 extern template class __timepunct<char>;
2499 extern template class time_put<char>;
2500 extern template class time_put_byname<char>;
2501 extern template class time_get<char>;
2502 extern template class time_get_byname<char>;
2503 extern template class messages<char>;
2504 extern template class messages_byname<char>;
2505 extern template class ctype_byname<char>;
2506 extern template class codecvt_byname<char, char, mbstate_t>;
2507 extern template class collate<char>;
2508 extern template class collate_byname<char>;
2511 const codecvt<char, char, mbstate_t>&
2512 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2515 const collate<char>&
2516 use_facet<collate<char> >(const locale&);
2519 const numpunct<char>&
2520 use_facet<numpunct<char> >(const locale&);
2523 const num_put<char>&
2524 use_facet<num_put<char> >(const locale&);
2527 const num_get<char>&
2528 use_facet<num_get<char> >(const locale&);
2531 const moneypunct<char, true>&
2532 use_facet<moneypunct<char, true> >(const locale&);
2535 const moneypunct<char, false>&
2536 use_facet<moneypunct<char, false> >(const locale&);
2539 const money_put<char>&
2540 use_facet<money_put<char> >(const locale&);
2543 const money_get<char>&
2544 use_facet<money_get<char> >(const locale&);
2547 const __timepunct<char>&
2548 use_facet<__timepunct<char> >(const locale&);
2551 const time_put<char>&
2552 use_facet<time_put<char> >(const locale&);
2555 const time_get<char>&
2556 use_facet<time_get<char> >(const locale&);
2559 const messages<char>&
2560 use_facet<messages<char> >(const locale&);
2564 has_facet<ctype<char> >(const locale&);
2568 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2572 has_facet<collate<char> >(const locale&);
2576 has_facet<numpunct<char> >(const locale&);
2580 has_facet<num_put<char> >(const locale&);
2584 has_facet<num_get<char> >(const locale&);
2588 has_facet<moneypunct<char> >(const locale&);
2592 has_facet<money_put<char> >(const locale&);
2596 has_facet<money_get<char> >(const locale&);
2600 has_facet<__timepunct<char> >(const locale&);
2604 has_facet<time_put<char> >(const locale&);
2608 has_facet<time_get<char> >(const locale&);
2612 has_facet<messages<char> >(const locale&);
2614 #ifdef _GLIBCXX_USE_WCHAR_T
2615 extern template class moneypunct<wchar_t, false>;
2616 extern template class moneypunct<wchar_t, true>;
2617 extern template class moneypunct_byname<wchar_t, false>;
2618 extern template class moneypunct_byname<wchar_t, true>;
2619 extern template class money_get<wchar_t>;
2620 extern template class money_put<wchar_t>;
2621 extern template class numpunct<wchar_t>;
2622 extern template class numpunct_byname<wchar_t>;
2623 extern template class num_get<wchar_t>;
2624 extern template class num_put<wchar_t>;
2625 extern template class __timepunct<wchar_t>;
2626 extern template class time_put<wchar_t>;
2627 extern template class time_put_byname<wchar_t>;
2628 extern template class time_get<wchar_t>;
2629 extern template class time_get_byname<wchar_t>;
2630 extern template class messages<wchar_t>;
2631 extern template class messages_byname<wchar_t>;
2632 extern template class ctype_byname<wchar_t>;
2633 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2634 extern template class collate<wchar_t>;
2635 extern template class collate_byname<wchar_t>;
2638 const codecvt<wchar_t, char, mbstate_t>&
2639 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2642 const collate<wchar_t>&
2643 use_facet<collate<wchar_t> >(const locale&);
2646 const numpunct<wchar_t>&
2647 use_facet<numpunct<wchar_t> >(const locale&);
2650 const num_put<wchar_t>&
2651 use_facet<num_put<wchar_t> >(const locale&);
2654 const num_get<wchar_t>&
2655 use_facet<num_get<wchar_t> >(const locale&);
2658 const moneypunct<wchar_t, true>&
2659 use_facet<moneypunct<wchar_t, true> >(const locale&);
2662 const moneypunct<wchar_t, false>&
2663 use_facet<moneypunct<wchar_t, false> >(const locale&);
2666 const money_put<wchar_t>&
2667 use_facet<money_put<wchar_t> >(const locale&);
2670 const money_get<wchar_t>&
2671 use_facet<money_get<wchar_t> >(const locale&);
2674 const __timepunct<wchar_t>&
2675 use_facet<__timepunct<wchar_t> >(const locale&);
2678 const time_put<wchar_t>&
2679 use_facet<time_put<wchar_t> >(const locale&);
2682 const time_get<wchar_t>&
2683 use_facet<time_get<wchar_t> >(const locale&);
2686 const messages<wchar_t>&
2687 use_facet<messages<wchar_t> >(const locale&);
2691 has_facet<ctype<wchar_t> >(const locale&);
2695 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2699 has_facet<collate<wchar_t> >(const locale&);
2703 has_facet<numpunct<wchar_t> >(const locale&);
2707 has_facet<num_put<wchar_t> >(const locale&);
2711 has_facet<num_get<wchar_t> >(const locale&);
2715 has_facet<moneypunct<wchar_t> >(const locale&);
2719 has_facet<money_put<wchar_t> >(const locale&);
2723 has_facet<money_get<wchar_t> >(const locale&);
2727 has_facet<__timepunct<wchar_t> >(const locale&);
2731 has_facet<time_put<wchar_t> >(const locale&);
2735 has_facet<time_get<wchar_t> >(const locale&);
2739 has_facet<messages<wchar_t> >(const locale&);