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;
282 char_type __c = char_type();
284 // True if __beg becomes equal to __end.
285 bool __testeof = __beg == __end;
287 // First check for sign.
291 const bool __plus = __c == __lit[__num_base::_S_iplus];
292 if ((__plus || __c == __lit[__num_base::_S_iminus])
293 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
294 && !(__c == __lc->_M_decimal_point))
296 __xtrc += __plus ? '+' : '-';
297 if (++__beg != __end)
304 // Next, look for leading zeros.
305 bool __found_mantissa = false;
308 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
309 || __c == __lc->_M_decimal_point)
311 else if (__c == __lit[__num_base::_S_izero])
313 if (!__found_mantissa)
316 __found_mantissa = true;
318 if (++__beg != __end)
327 // Only need acceptable digits for floating point numbers.
328 bool __found_dec = false;
329 bool __found_sci = false;
330 string __found_grouping;
331 if (__lc->_M_use_grouping)
332 __found_grouping.reserve(32);
334 const char_type* __q;
335 const char_type* __lit_zero = __lit + __num_base::_S_izero;
338 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
339 // and decimal_point.
340 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
342 if (!__found_dec && !__found_sci)
344 // NB: Thousands separator at the beginning of a string
345 // is a no-no, as is two consecutive thousands separators.
348 __found_grouping += static_cast<char>(__sep_pos);
353 __err |= ios_base::failbit;
360 else if (__c == __lc->_M_decimal_point)
362 if (!__found_dec && !__found_sci)
364 // If no grouping chars are seen, no grouping check
365 // is applied. Therefore __found_grouping is adjusted
366 // only if decimal_point comes after some thousands_sep.
367 if (__found_grouping.size())
368 __found_grouping += static_cast<char>(__sep_pos);
375 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
377 __xtrc += __num_base::_S_atoms_in[__q - __lit];
378 __found_mantissa = true;
381 else if ((__c == __lit[__num_base::_S_ie]
382 || __c == __lit[__num_base::_S_iE])
383 && __found_mantissa && !__found_sci)
385 // Scientific notation.
386 if (__found_grouping.size() && !__found_dec)
387 __found_grouping += static_cast<char>(__sep_pos);
391 // Remove optional plus or minus sign, if they exist.
392 if (++__beg != __end)
395 const bool __plus = __c == __lit[__num_base::_S_iplus];
396 if ((__plus || __c == __lit[__num_base::_S_iminus])
397 && !(__lc->_M_use_grouping
398 && __c == __lc->_M_thousands_sep)
399 && !(__c == __lc->_M_decimal_point))
400 __xtrc += __plus ? '+' : '-';
411 // Not a valid input item.
414 if (++__beg != __end)
420 // Digit grouping is checked. If grouping and found_grouping don't
421 // match, then get very very upset, and set failbit.
422 if (__found_grouping.size())
424 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
425 if (!__found_dec && !__found_sci)
426 __found_grouping += static_cast<char>(__sep_pos);
428 if (!std::__verify_grouping(__lc->_M_grouping,
429 __lc->_M_grouping_size,
431 __err |= ios_base::failbit;
436 __err |= ios_base::eofbit;
440 template<typename _CharT, typename _InIter>
441 template<typename _ValueT>
443 num_get<_CharT, _InIter>::
444 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
445 ios_base::iostate& __err, _ValueT& __v) const
447 typedef char_traits<_CharT> __traits_type;
448 typedef typename numpunct<_CharT>::__cache_type __cache_type;
449 __use_cache<__cache_type> __uc;
450 const locale& __loc = __io._M_getloc();
451 const __cache_type* __lc = __uc(__loc);
452 const _CharT* __lit = __lc->_M_atoms_in;
453 char_type __c = char_type();
455 // NB: Iff __basefield == 0, __base can change based on contents.
456 const ios_base::fmtflags __basefield = __io.flags()
457 & ios_base::basefield;
458 const bool __oct = __basefield == ios_base::oct;
459 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
461 // True if __beg becomes equal to __end.
462 bool __testeof = __beg == __end;
464 // First check for sign.
465 bool __negative = false;
469 if (numeric_limits<_ValueT>::is_signed)
470 __negative = __c == __lit[__num_base::_S_iminus];
471 if ((__negative || __c == __lit[__num_base::_S_iplus])
472 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
473 && !(__c == __lc->_M_decimal_point))
475 if (++__beg != __end)
482 // Next, look for leading zeros and check required digits
484 bool __found_zero = false;
487 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
488 || __c == __lc->_M_decimal_point)
490 else if (__c == __lit[__num_base::_S_izero]
491 && (!__found_zero || __base == 10))
493 else if (__found_zero)
495 if (__c == __lit[__num_base::_S_ix]
496 || __c == __lit[__num_base::_S_iX])
498 if (__basefield == 0)
501 __found_zero = false;
507 if (__basefield == 0)
515 if (++__beg != __end)
525 // At this point, base is determined. If not hex, only allow
526 // base digits as valid input.
527 const size_t __len = (__base == 16 ? __num_base::_S_iend
528 - __num_base::_S_izero : __base);
531 string __found_grouping;
532 if (__lc->_M_use_grouping)
533 __found_grouping.reserve(32);
535 bool __overflow = false;
536 _ValueT __result = 0;
537 const char_type* __q;
538 const char_type* __lit_zero = __lit + __num_base::_S_izero;
541 const _ValueT __min = numeric_limits<_ValueT>::min() / __base;
544 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
545 // and decimal_point.
546 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
548 // NB: Thousands separator at the beginning of a string
549 // is a no-no, as is two consecutive thousands separators.
552 __found_grouping += static_cast<char>(__sep_pos);
557 __err |= ios_base::failbit;
561 else if (__c == __lc->_M_decimal_point)
563 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
565 int __digit = __q - __lit_zero;
568 if (__result < __min)
572 const _ValueT __new_result = (__result * __base
574 __overflow |= __new_result > __result;
575 __result = __new_result;
580 // Not a valid input item.
583 if (++__beg != __end)
591 const _ValueT __max = numeric_limits<_ValueT>::max() / __base;
594 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
598 __found_grouping += static_cast<char>(__sep_pos);
603 __err |= ios_base::failbit;
607 else if (__c == __lc->_M_decimal_point)
609 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
611 int __digit = __q - __lit_zero;
614 if (__result > __max)
618 const _ValueT __new_result = (__result * __base
620 __overflow |= __new_result < __result;
621 __result = __new_result;
628 if (++__beg != __end)
635 // Digit grouping is checked. If grouping and found_grouping don't
636 // match, then get very very upset, and set failbit.
637 if (__found_grouping.size())
639 // Add the ending grouping.
640 __found_grouping += static_cast<char>(__sep_pos);
642 if (!std::__verify_grouping(__lc->_M_grouping,
643 __lc->_M_grouping_size,
645 __err |= ios_base::failbit;
648 if (!(__err & ios_base::failbit) && !__overflow
649 && (__sep_pos || __found_zero || __found_grouping.size()))
652 __err |= ios_base::failbit;
655 __err |= ios_base::eofbit;
659 // _GLIBCXX_RESOLVE_LIB_DEFECTS
660 // 17. Bad bool parsing
661 template<typename _CharT, typename _InIter>
663 num_get<_CharT, _InIter>::
664 do_get(iter_type __beg, iter_type __end, ios_base& __io,
665 ios_base::iostate& __err, bool& __v) const
667 if (!(__io.flags() & ios_base::boolalpha))
669 // Parse bool values as long.
670 // NB: We can't just call do_get(long) here, as it might
671 // refer to a derived class.
673 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
674 if (__l == 0 || __l == 1)
677 __err |= ios_base::failbit;
681 // Parse bool values as alphanumeric.
682 typedef typename numpunct<_CharT>::__cache_type __cache_type;
683 __use_cache<__cache_type> __uc;
684 const locale& __loc = __io._M_getloc();
685 const __cache_type* __lc = __uc(__loc);
690 bool __testeof = __beg == __end;
691 for (__n = 0; !__testeof; ++__n)
693 const char_type __c = *__beg;
696 if (__n < __lc->_M_falsename_size)
697 __testf = __c == __lc->_M_falsename[__n];
702 if (__n < __lc->_M_truename_size)
703 __testt = __c == __lc->_M_truename[__n];
707 if (!__testf && !__testt)
710 if (++__beg == __end)
713 if (__testf && __n == __lc->_M_falsename_size)
715 else if (__testt && __n == __lc->_M_truename_size)
718 __err |= ios_base::failbit;
721 __err |= ios_base::eofbit;
726 template<typename _CharT, typename _InIter>
728 num_get<_CharT, _InIter>::
729 do_get(iter_type __beg, iter_type __end, ios_base& __io,
730 ios_base::iostate& __err, long& __v) const
731 { 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, unsigned short& __v) const
738 { return _M_extract_int(__beg, __end, __io, __err, __v); }
740 template<typename _CharT, typename _InIter>
742 num_get<_CharT, _InIter>::
743 do_get(iter_type __beg, iter_type __end, ios_base& __io,
744 ios_base::iostate& __err, unsigned int& __v) const
745 { return _M_extract_int(__beg, __end, __io, __err, __v); }
747 template<typename _CharT, typename _InIter>
749 num_get<_CharT, _InIter>::
750 do_get(iter_type __beg, iter_type __end, ios_base& __io,
751 ios_base::iostate& __err, unsigned long& __v) const
752 { return _M_extract_int(__beg, __end, __io, __err, __v); }
754 #ifdef _GLIBCXX_USE_LONG_LONG
755 template<typename _CharT, typename _InIter>
757 num_get<_CharT, _InIter>::
758 do_get(iter_type __beg, iter_type __end, ios_base& __io,
759 ios_base::iostate& __err, long long& __v) const
760 { return _M_extract_int(__beg, __end, __io, __err, __v); }
762 template<typename _CharT, typename _InIter>
764 num_get<_CharT, _InIter>::
765 do_get(iter_type __beg, iter_type __end, ios_base& __io,
766 ios_base::iostate& __err, unsigned long long& __v) const
767 { return _M_extract_int(__beg, __end, __io, __err, __v); }
770 template<typename _CharT, typename _InIter>
772 num_get<_CharT, _InIter>::
773 do_get(iter_type __beg, iter_type __end, ios_base& __io,
774 ios_base::iostate& __err, float& __v) const
778 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
779 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
783 template<typename _CharT, typename _InIter>
785 num_get<_CharT, _InIter>::
786 do_get(iter_type __beg, iter_type __end, ios_base& __io,
787 ios_base::iostate& __err, double& __v) const
791 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
792 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
796 template<typename _CharT, typename _InIter>
798 num_get<_CharT, _InIter>::
799 do_get(iter_type __beg, iter_type __end, ios_base& __io,
800 ios_base::iostate& __err, long double& __v) const
804 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
805 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
809 template<typename _CharT, typename _InIter>
811 num_get<_CharT, _InIter>::
812 do_get(iter_type __beg, iter_type __end, ios_base& __io,
813 ios_base::iostate& __err, void*& __v) const
815 // Prepare for hex formatted input.
816 typedef ios_base::fmtflags fmtflags;
817 const fmtflags __fmt = __io.flags();
818 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
821 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
823 // Reset from hex formatted input.
826 if (!(__err & ios_base::failbit))
827 __v = reinterpret_cast<void*>(__ul);
829 __err |= ios_base::failbit;
833 // For use by integer and floating-point types after they have been
834 // converted into a char_type string.
835 template<typename _CharT, typename _OutIter>
837 num_put<_CharT, _OutIter>::
838 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
839 _CharT* __new, const _CharT* __cs, int& __len) const
841 // [22.2.2.2.2] Stage 3.
842 // If necessary, pad.
843 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
845 __len = static_cast<int>(__w);
848 // Forwarding functions to peel signed from unsigned integer types.
849 template<typename _CharT>
851 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
852 ios_base::fmtflags __flags)
854 unsigned long __ul = static_cast<unsigned long>(__v);
861 return __int_to_char(__bufend, __ul, __lit, __flags, __neg);
864 template<typename _CharT>
866 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
867 ios_base::fmtflags __flags)
869 // About showpos, see Table 60 and C99 7.19.6.1, p6 (+).
870 return __int_to_char(__bufend, __v, __lit,
871 __flags & ~ios_base::showpos, false);
874 #ifdef _GLIBCXX_USE_LONG_LONG
875 template<typename _CharT>
877 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
878 ios_base::fmtflags __flags)
880 unsigned long long __ull = static_cast<unsigned long long>(__v);
887 return __int_to_char(__bufend, __ull, __lit, __flags, __neg);
890 template<typename _CharT>
892 __int_to_char(_CharT* __bufend, unsigned long long __v,
893 const _CharT* __lit, ios_base::fmtflags __flags)
894 { return __int_to_char(__bufend, __v, __lit,
895 __flags & ~ios_base::showpos, false); }
898 template<typename _CharT, typename _ValueT>
900 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
901 ios_base::fmtflags __flags, bool __neg)
903 // Don't write base if already 0.
904 const bool __showbase = (__flags & ios_base::showbase) && __v;
905 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
906 _CharT* __buf = __bufend - 1;
908 if (__builtin_expect(__basefield != ios_base::oct &&
909 __basefield != ios_base::hex, true))
914 *__buf-- = __lit[(__v % 10) + __num_base::_S_odigits];
919 *__buf-- = __lit[__num_base::_S_ominus];
920 else if (__flags & ios_base::showpos)
921 *__buf-- = __lit[__num_base::_S_oplus];
923 else if (__basefield == ios_base::oct)
928 *__buf-- = __lit[(__v & 0x7) + __num_base::_S_odigits];
933 *__buf-- = __lit[__num_base::_S_odigits];
938 const bool __uppercase = __flags & ios_base::uppercase;
939 const int __case_offset = __uppercase ? __num_base::_S_oudigits
940 : __num_base::_S_odigits;
943 *__buf-- = __lit[(__v & 0xf) + __case_offset];
950 *__buf-- = __lit[__num_base::_S_ox + __uppercase];
952 *__buf-- = __lit[__num_base::_S_odigits];
955 return __bufend - __buf - 1;
958 template<typename _CharT, typename _OutIter>
960 num_put<_CharT, _OutIter>::
961 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
962 ios_base& __io, _CharT* __new, _CharT* __cs, int& __len) const
964 // By itself __add_grouping cannot deal correctly with __cs when
965 // ios::showbase is set and ios_base::oct || ios_base::hex.
966 // Therefore we take care "by hand" of the initial 0, 0x or 0X.
967 // However, remember that the latter do not occur if the number
968 // printed is '0' (__len == 1).
969 streamsize __off = 0;
970 const ios_base::fmtflags __basefield = __io.flags()
971 & ios_base::basefield;
972 if ((__io.flags() & ios_base::showbase) && __len > 1)
973 if (__basefield == ios_base::oct)
978 else if (__basefield == ios_base::hex)
984 _CharT* __p = std::__add_grouping(__new + __off, __sep, __grouping,
985 __grouping_size, __cs + __off,
990 template<typename _CharT, typename _OutIter>
991 template<typename _ValueT>
993 num_put<_CharT, _OutIter>::
994 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
997 typedef typename numpunct<_CharT>::__cache_type __cache_type;
998 __use_cache<__cache_type> __uc;
999 const locale& __loc = __io._M_getloc();
1000 const __cache_type* __lc = __uc(__loc);
1001 const _CharT* __lit = __lc->_M_atoms_out;
1003 // Long enough to hold hex, dec, and octal representations.
1004 const int __ilen = 4 * sizeof(_ValueT);
1005 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1008 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1009 // Result is returned right-justified in the buffer.
1011 __len = __int_to_char(__cs + __ilen, __v, __lit, __io.flags());
1012 __cs += __ilen - __len;
1014 // Add grouping, if necessary.
1015 if (__lc->_M_use_grouping)
1017 // Grouping can add (almost) as many separators as the
1018 // number of digits, but no more.
1019 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1021 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1022 __lc->_M_thousands_sep, __io, __cs2, __cs, __len);
1027 const streamsize __w = __io.width();
1028 if (__w > static_cast<streamsize>(__len))
1030 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1032 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1037 // [22.2.2.2.2] Stage 4.
1038 // Write resulting, fully-formatted string to output iterator.
1039 return std::__write(__s, __cs, __len);
1042 template<typename _CharT, typename _OutIter>
1044 num_put<_CharT, _OutIter>::
1045 _M_group_float(const char* __grouping, size_t __grouping_size,
1046 _CharT __sep, const _CharT* __p, _CharT* __new,
1047 _CharT* __cs, int& __len) const
1049 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1050 // 282. What types does numpunct grouping refer to?
1051 // Add grouping, if necessary.
1052 const int __declen = __p ? __p - __cs : __len;
1053 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1055 __cs, __cs + __declen);
1057 // Tack on decimal part.
1058 int __newlen = __p2 - __new;
1061 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1062 __newlen += __len - __declen;
1067 // The following code uses snprintf (or sprintf(), when
1068 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1069 // for insertion into a stream. An optimization would be to replace
1070 // them with code that works directly on a wide buffer and then use
1071 // __pad to do the padding. It would be good to replace them anyway
1072 // to gain back the efficiency that C++ provides by knowing up front
1073 // the type of the values to insert. Also, sprintf is dangerous
1074 // since may lead to accidental buffer overruns. This
1075 // implementation follows the C++ standard fairly directly as
1076 // outlined in 22.2.2.2 [lib.locale.num.put]
1077 template<typename _CharT, typename _OutIter>
1078 template<typename _ValueT>
1080 num_put<_CharT, _OutIter>::
1081 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1084 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1085 __use_cache<__cache_type> __uc;
1086 const locale& __loc = __io._M_getloc();
1087 const __cache_type* __lc = __uc(__loc);
1089 // Use default precision if out of range.
1090 streamsize __prec = __io.precision();
1091 if (__prec < static_cast<streamsize>(0))
1092 __prec = static_cast<streamsize>(6);
1094 const int __max_digits = numeric_limits<_ValueT>::digits10;
1096 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1098 // Long enough for the max format spec.
1101 #ifdef _GLIBCXX_USE_C99
1102 // First try a buffer perhaps big enough (most probably sufficient
1103 // for non-ios_base::fixed outputs)
1104 int __cs_size = __max_digits * 3;
1105 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1107 __num_base::_S_format_float(__io, __fbuf, __mod);
1108 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1109 _S_get_c_locale(), __prec);
1111 // If the buffer was not large enough, try again with the correct size.
1112 if (__len >= __cs_size)
1114 __cs_size = __len + 1;
1115 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1116 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1117 _S_get_c_locale(), __prec);
1120 // Consider the possibility of long ios_base::fixed outputs
1121 const bool __fixed = __io.flags() & ios_base::fixed;
1122 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1124 // The size of the output string is computed as follows.
1125 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1126 // for the integer part + __prec chars for the fractional part
1127 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1128 // for non-fixed outputs __max_digits * 2 + __prec chars are
1129 // largely sufficient.
1130 const int __cs_size = __fixed ? __max_exp + __prec + 4
1131 : __max_digits * 2 + __prec;
1132 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1134 __num_base::_S_format_float(__io, __fbuf, __mod);
1135 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1136 _S_get_c_locale(), __prec);
1139 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1140 // numpunct.decimal_point() values for '.' and adding grouping.
1141 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1143 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1145 __ctype.widen(__cs, __cs + __len, __ws);
1147 // Replace decimal point.
1148 const _CharT __cdec = __ctype.widen('.');
1149 const _CharT __dec = __lc->_M_decimal_point;
1150 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1152 __ws[__p - __ws] = __dec;
1154 // Add grouping, if necessary.
1155 if (__lc->_M_use_grouping)
1157 // Grouping can add (almost) as many separators as the
1158 // number of digits, but no more.
1159 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1161 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1162 __lc->_M_thousands_sep, __p, __ws2, __ws, __len);
1167 const streamsize __w = __io.width();
1168 if (__w > static_cast<streamsize>(__len))
1170 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1172 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1177 // [22.2.2.2.2] Stage 4.
1178 // Write resulting, fully-formatted string to output iterator.
1179 return std::__write(__s, __ws, __len);
1182 template<typename _CharT, typename _OutIter>
1184 num_put<_CharT, _OutIter>::
1185 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1187 const ios_base::fmtflags __flags = __io.flags();
1188 if ((__flags & ios_base::boolalpha) == 0)
1190 const long __l = __v;
1191 __s = _M_insert_int(__s, __io, __fill, __l);
1195 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1196 __use_cache<__cache_type> __uc;
1197 const locale& __loc = __io._M_getloc();
1198 const __cache_type* __lc = __uc(__loc);
1200 const _CharT* __name = __v ? __lc->_M_truename
1201 : __lc->_M_falsename;
1202 int __len = __v ? __lc->_M_truename_size
1203 : __lc->_M_falsename_size;
1205 const streamsize __w = __io.width();
1206 if (__w > static_cast<streamsize>(__len))
1209 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1211 _M_pad(__fill, __w, __io, __cs, __name, __len);
1215 __s = std::__write(__s, __name, __len);
1220 template<typename _CharT, typename _OutIter>
1222 num_put<_CharT, _OutIter>::
1223 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1224 { return _M_insert_int(__s, __io, __fill, __v); }
1226 template<typename _CharT, typename _OutIter>
1228 num_put<_CharT, _OutIter>::
1229 do_put(iter_type __s, ios_base& __io, char_type __fill,
1230 unsigned long __v) const
1231 { return _M_insert_int(__s, __io, __fill, __v); }
1233 #ifdef _GLIBCXX_USE_LONG_LONG
1234 template<typename _CharT, typename _OutIter>
1236 num_put<_CharT, _OutIter>::
1237 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1238 { return _M_insert_int(__s, __b, __fill, __v); }
1240 template<typename _CharT, typename _OutIter>
1242 num_put<_CharT, _OutIter>::
1243 do_put(iter_type __s, ios_base& __io, char_type __fill,
1244 unsigned long long __v) const
1245 { return _M_insert_int(__s, __io, __fill, __v); }
1248 template<typename _CharT, typename _OutIter>
1250 num_put<_CharT, _OutIter>::
1251 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1252 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1254 template<typename _CharT, typename _OutIter>
1256 num_put<_CharT, _OutIter>::
1257 do_put(iter_type __s, ios_base& __io, char_type __fill,
1258 long double __v) const
1259 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1261 template<typename _CharT, typename _OutIter>
1263 num_put<_CharT, _OutIter>::
1264 do_put(iter_type __s, ios_base& __io, char_type __fill,
1265 const void* __v) const
1267 const ios_base::fmtflags __flags = __io.flags();
1268 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1269 | ios_base::uppercase
1270 | ios_base::internal);
1271 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1273 __s = _M_insert_int(__s, __io, __fill,
1274 reinterpret_cast<unsigned long>(__v));
1275 __io.flags(__flags);
1279 template<typename _CharT, typename _InIter>
1280 template<bool _Intl>
1282 money_get<_CharT, _InIter>::
1283 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1284 ios_base::iostate& __err, string& __units) const
1286 typedef char_traits<_CharT> __traits_type;
1287 typedef typename string_type::size_type size_type;
1288 typedef money_base::part part;
1289 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1290 typedef typename __moneypunct_type::__cache_type __cache_type;
1292 const locale& __loc = __io._M_getloc();
1293 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1295 __use_cache<__cache_type> __uc;
1296 const __cache_type* __lc = __uc(__loc);
1297 const char_type* __lit = __lc->_M_atoms;
1300 bool __negative = false;
1302 size_type __sign_size = 0;
1303 // True if sign is mandatory.
1304 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1305 && __lc->_M_negative_sign_size);
1306 // String of grouping info from thousands_sep plucked from __units.
1307 string __grouping_tmp;
1308 if (__lc->_M_use_grouping)
1309 __grouping_tmp.reserve(32);
1310 // Last position before the decimal point.
1312 // Separator positions, then, possibly, fractional digits.
1314 // If input iterator is in a valid state.
1315 bool __testvalid = true;
1316 // Flag marking when a decimal point is found.
1317 bool __testdecfound = false;
1319 // The tentative returned string is stored here.
1323 const char_type* __lit_zero = __lit + money_base::_S_zero;
1324 const money_base::pattern __p = __lc->_M_neg_format;
1325 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1327 const part __which = static_cast<part>(__p.field[__i]);
1330 case money_base::symbol:
1331 // According to 22.2.6.1.2, p2, symbol is required
1332 // if (__io.flags() & ios_base::showbase), otherwise
1333 // is optional and consumed only if other characters
1334 // are needed to complete the format.
1335 if (__io.flags() & ios_base::showbase || __sign_size > 1
1337 || (__i == 1 && (__mandatory_sign
1338 || (static_cast<part>(__p.field[0])
1339 == money_base::sign)
1340 || (static_cast<part>(__p.field[2])
1341 == money_base::space)))
1342 || (__i == 2 && ((static_cast<part>(__p.field[3])
1343 == money_base::value)
1345 && (static_cast<part>(__p.field[3])
1346 == money_base::sign))))
1348 const size_type __len = __lc->_M_curr_symbol_size;
1350 for (; __beg != __end && __j < __len
1351 && *__beg == __lc->_M_curr_symbol[__j];
1354 && (__j || __io.flags() & ios_base::showbase))
1355 __testvalid = false;
1358 case money_base::sign:
1359 // Sign might not exist, or be more than one character long.
1360 if (__lc->_M_positive_sign_size && __beg != __end
1361 && *__beg == __lc->_M_positive_sign[0])
1363 __sign_size = __lc->_M_positive_sign_size;
1366 else if (__lc->_M_negative_sign_size && __beg != __end
1367 && *__beg == __lc->_M_negative_sign[0])
1370 __sign_size = __lc->_M_negative_sign_size;
1373 else if (__lc->_M_positive_sign_size
1374 && !__lc->_M_negative_sign_size)
1375 // "... if no sign is detected, the result is given the sign
1376 // that corresponds to the source of the empty string"
1378 else if (__mandatory_sign)
1379 __testvalid = false;
1381 case money_base::value:
1382 // Extract digits, remove and stash away the
1383 // grouping of found thousands separators.
1384 for (; __beg != __end; ++__beg)
1386 const char_type __c = *__beg;
1387 const char_type* __q = __traits_type::find(__lit_zero,
1391 __res += money_base::_S_atoms[__q - __lit];
1394 else if (__c == __lc->_M_decimal_point
1399 __testdecfound = true;
1401 else if (__lc->_M_use_grouping
1402 && __c == __lc->_M_thousands_sep
1407 // Mark position for later analysis.
1408 __grouping_tmp += static_cast<char>(__n);
1413 __testvalid = false;
1421 __testvalid = false;
1423 case money_base::space:
1424 // At least one space is required.
1425 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1428 __testvalid = false;
1429 case money_base::none:
1430 // Only if not at the end of the pattern.
1432 for (; __beg != __end
1433 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1438 // Need to get the rest of the sign characters, if they exist.
1439 if (__sign_size > 1 && __testvalid)
1441 const char_type* __sign = __negative ? __lc->_M_negative_sign
1442 : __lc->_M_positive_sign;
1444 for (; __beg != __end && __i < __sign_size
1445 && *__beg == __sign[__i]; ++__beg, ++__i);
1447 if (__i != __sign_size)
1448 __testvalid = false;
1453 // Strip leading zeros.
1454 if (__res.size() > 1)
1456 const size_type __first = __res.find_first_not_of('0');
1457 const bool __only_zeros = __first == string::npos;
1459 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1463 if (__negative && __res[0] != '0')
1464 __res.insert(__res.begin(), '-');
1466 // Test for grouping fidelity.
1467 if (__grouping_tmp.size())
1469 // Add the ending grouping.
1470 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1472 if (!std::__verify_grouping(__lc->_M_grouping,
1473 __lc->_M_grouping_size,
1475 __testvalid = false;
1478 // Iff not enough digits were supplied after the decimal-point.
1479 if (__testdecfound && __lc->_M_frac_digits > 0
1480 && __n != __lc->_M_frac_digits)
1481 __testvalid = false;
1484 // Iff no more characters are available.
1486 __err |= ios_base::eofbit;
1488 // Iff valid sequence is not recognized.
1490 __err |= ios_base::failbit;
1492 __units.swap(__res);
1497 template<typename _CharT, typename _InIter>
1499 money_get<_CharT, _InIter>::
1500 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1501 ios_base::iostate& __err, long double& __units) const
1505 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1507 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1508 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1512 template<typename _CharT, typename _InIter>
1514 money_get<_CharT, _InIter>::
1515 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1516 ios_base::iostate& __err, string_type& __units) const
1518 typedef typename string::size_type size_type;
1520 const locale& __loc = __io._M_getloc();
1521 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1524 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1526 : _M_extract<false>(__beg, __end, __io,
1528 const size_type __len = __str.size();
1531 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1533 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1534 __units.assign(__ws, __len);
1540 template<typename _CharT, typename _OutIter>
1541 template<bool _Intl>
1543 money_put<_CharT, _OutIter>::
1544 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1545 const string_type& __digits) const
1547 typedef typename string_type::size_type size_type;
1548 typedef money_base::part part;
1549 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1550 typedef typename __moneypunct_type::__cache_type __cache_type;
1552 const locale& __loc = __io._M_getloc();
1553 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1555 __use_cache<__cache_type> __uc;
1556 const __cache_type* __lc = __uc(__loc);
1557 const char_type* __lit = __lc->_M_atoms;
1559 // Determine if negative or positive formats are to be used, and
1560 // discard leading negative_sign if it is present.
1561 const char_type* __beg = __digits.data();
1563 money_base::pattern __p;
1564 const char_type* __sign;
1565 size_type __sign_size;
1566 if (*__beg != __lit[money_base::_S_minus])
1568 __p = __lc->_M_pos_format;
1569 __sign = __lc->_M_positive_sign;
1570 __sign_size = __lc->_M_positive_sign_size;
1574 __p = __lc->_M_neg_format;
1575 __sign = __lc->_M_negative_sign;
1576 __sign_size = __lc->_M_negative_sign_size;
1577 if (__digits.size())
1581 // Look for valid numbers in the ctype facet within input digits.
1582 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1583 __beg + __digits.size()) - __beg;
1586 // Assume valid input, and attempt to format.
1587 // Break down input numbers into base components, as follows:
1588 // final_value = grouped units + (decimal point) + (digits)
1589 string_type __value;
1590 __value.reserve(2 * __len);
1592 // Add thousands separators to non-decimal digits, per
1594 int __paddec = __len - __lc->_M_frac_digits;
1597 if (__lc->_M_frac_digits < 0)
1599 if (__lc->_M_grouping_size)
1602 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1605 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1607 __lc->_M_grouping_size,
1608 __beg, __beg + __paddec);
1609 __value.assign(__ws, __ws_end - __ws);
1612 __value.assign(__beg, __paddec);
1615 // Deal with decimal point, decimal digits.
1616 if (__lc->_M_frac_digits > 0)
1618 __value += __lc->_M_decimal_point;
1620 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1623 // Have to pad zeros in the decimal position.
1624 __value.append(-__paddec, __lit[money_base::_S_zero]);
1625 __value.append(__beg, __len);
1629 // Calculate length of resulting string.
1630 const ios_base::fmtflags __f = __io.flags()
1631 & ios_base::adjustfield;
1632 __len = __value.size() + __sign_size;
1633 __len += ((__io.flags() & ios_base::showbase)
1634 ? __lc->_M_curr_symbol_size : 0);
1637 __res.reserve(2 * __len);
1639 const size_type __width = static_cast<size_type>(__io.width());
1640 const bool __testipad = (__f == ios_base::internal
1641 && __len < __width);
1642 // Fit formatted digits into the required pattern.
1643 for (int __i = 0; __i < 4; ++__i)
1645 const part __which = static_cast<part>(__p.field[__i]);
1648 case money_base::symbol:
1649 if (__io.flags() & ios_base::showbase)
1650 __res.append(__lc->_M_curr_symbol,
1651 __lc->_M_curr_symbol_size);
1653 case money_base::sign:
1654 // Sign might not exist, or be more than one
1655 // charater long. In that case, add in the rest
1660 case money_base::value:
1663 case money_base::space:
1664 // At least one space is required, but if internal
1665 // formatting is required, an arbitrary number of
1666 // fill spaces will be necessary.
1668 __res.append(__width - __len, __fill);
1672 case money_base::none:
1674 __res.append(__width - __len, __fill);
1679 // Special case of multi-part sign parts.
1680 if (__sign_size > 1)
1681 __res.append(__sign + 1, __sign_size - 1);
1683 // Pad, if still necessary.
1684 __len = __res.size();
1685 if (__width > __len)
1687 if (__f == ios_base::left)
1689 __res.append(__width - __len, __fill);
1692 __res.insert(0, __width - __len, __fill);
1696 // Write resulting, fully-formatted string to output iterator.
1697 __s = std::__write(__s, __res.data(), __len);
1703 template<typename _CharT, typename _OutIter>
1705 money_put<_CharT, _OutIter>::
1706 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1707 long double __units) const
1709 const locale __loc = __io.getloc();
1710 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1711 #ifdef _GLIBCXX_USE_C99
1712 // First try a buffer perhaps big enough.
1714 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1715 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1716 // 328. Bad sprintf format modifier in money_put<>::do_put()
1717 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1718 _S_get_c_locale(), 0);
1719 // If the buffer was not large enough, try again with the correct size.
1720 if (__len >= __cs_size)
1722 __cs_size = __len + 1;
1723 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1724 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1725 _S_get_c_locale(), 0);
1728 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1729 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1730 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1731 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1732 _S_get_c_locale(), 0);
1734 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1736 __ctype.widen(__cs, __cs + __len, __ws);
1737 const string_type __digits(__ws, __len);
1738 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1739 : _M_insert<false>(__s, __io, __fill, __digits);
1742 template<typename _CharT, typename _OutIter>
1744 money_put<_CharT, _OutIter>::
1745 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1746 const string_type& __digits) const
1747 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1748 : _M_insert<false>(__s, __io, __fill, __digits); }
1751 // NB: Not especially useful. Without an ios_base object or some
1752 // kind of locale reference, we are left clawing at the air where
1753 // the side of the mountain used to be...
1754 template<typename _CharT, typename _InIter>
1755 time_base::dateorder
1756 time_get<_CharT, _InIter>::do_date_order() const
1757 { return time_base::no_order; }
1759 // Expand a strftime format string and parse it. E.g., do_get_date() may
1760 // pass %m/%d/%Y => extracted characters.
1761 template<typename _CharT, typename _InIter>
1763 time_get<_CharT, _InIter>::
1764 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1765 ios_base::iostate& __err, tm* __tm,
1766 const _CharT* __format) const
1768 const locale& __loc = __io._M_getloc();
1769 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1770 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1771 const size_t __len = char_traits<_CharT>::length(__format);
1773 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1775 if (__ctype.narrow(__format[__i], 0) == '%')
1777 // Verify valid formatting code, attempt to extract.
1778 char __c = __ctype.narrow(__format[++__i], 0);
1780 if (__c == 'E' || __c == 'O')
1781 __c = __ctype.narrow(__format[++__i], 0);
1787 // Abbreviated weekday name [tm_wday]
1788 const char_type* __days1[7];
1789 __tp._M_days_abbreviated(__days1);
1790 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1794 // Weekday name [tm_wday].
1795 const char_type* __days2[7];
1796 __tp._M_days(__days2);
1797 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1802 // Abbreviated month name [tm_mon]
1803 const char_type* __months1[12];
1804 __tp._M_months_abbreviated(__months1);
1805 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1806 __months1, 12, __io, __err);
1809 // Month name [tm_mon].
1810 const char_type* __months2[12];
1811 __tp._M_months(__months2);
1812 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1813 __months2, 12, __io, __err);
1816 // Default time and date representation.
1817 const char_type* __dt[2];
1818 __tp._M_date_time_formats(__dt);
1819 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1823 // Day [01, 31]. [tm_mday]
1824 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1828 // Day [1, 31], with single digits preceded by
1830 if (__ctype.is(ctype_base::space, *__beg))
1831 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1834 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1838 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1840 __ctype.widen(__cs, __cs + 9, __wcs);
1841 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1845 // Hour [00, 23]. [tm_hour]
1846 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1850 // Hour [01, 12]. [tm_hour]
1851 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1855 // Month [01, 12]. [tm_mon]
1856 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1859 __tm->tm_mon = __mem - 1;
1862 // Minute [00, 59]. [tm_min]
1863 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1867 if (__ctype.narrow(*__beg, 0) == '\n')
1870 __err |= ios_base::failbit;
1873 // Equivalent to (%H:%M).
1875 __ctype.widen(__cs, __cs + 6, __wcs);
1876 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1880 // Seconds. [tm_sec]
1881 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1882 #ifdef _GLIBCXX_USE_C99
1883 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1885 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1890 if (__ctype.narrow(*__beg, 0) == '\t')
1893 __err |= ios_base::failbit;
1896 // Equivalent to (%H:%M:%S).
1898 __ctype.widen(__cs, __cs + 9, __wcs);
1899 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1904 const char_type* __dates[2];
1905 __tp._M_date_formats(__dates);
1906 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1911 const char_type* __times[2];
1912 __tp._M_time_formats(__times);
1913 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1918 // Two digit year. [tm_year]
1919 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1923 // Year [1900). [tm_year]
1924 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1927 __tm->tm_year = __mem - 1900;
1931 if (__ctype.is(ctype_base::upper, *__beg))
1934 __beg = _M_extract_name(__beg, __end, __tmp,
1935 __timepunct_cache<_CharT>::_S_timezones,
1938 // GMT requires special effort.
1939 if (__beg != __end && !__err && __tmp == 0
1940 && (*__beg == __ctype.widen('-')
1941 || *__beg == __ctype.widen('+')))
1943 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1945 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1950 __err |= ios_base::failbit;
1954 __err |= ios_base::failbit;
1959 // Verify format and input match, extract and discard.
1960 if (__format[__i] == *__beg)
1963 __err |= ios_base::failbit;
1969 template<typename _CharT, typename _InIter>
1971 time_get<_CharT, _InIter>::
1972 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1973 int __min, int __max, size_t __len,
1974 ios_base& __io, ios_base::iostate& __err) const
1976 const locale& __loc = __io._M_getloc();
1977 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1979 // As-is works for __len = 1, 2, 4, the values actually used.
1980 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1985 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1987 const char __c = __ctype.narrow(*__beg, '*');
1988 if (__c >= '0' && __c <= '9')
1990 __value = __value * 10 + (__c - '0');
1991 const int __valuec = __value * __mult;
1992 if (__valuec > __max || __valuec + __mult < __min)
2002 __err |= ios_base::failbit;
2007 // All elements in __names are unique.
2008 template<typename _CharT, typename _InIter>
2010 time_get<_CharT, _InIter>::
2011 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2012 const _CharT** __names, size_t __indexlen,
2013 ios_base& __io, ios_base::iostate& __err) const
2015 typedef char_traits<_CharT> __traits_type;
2016 const locale& __loc = __io._M_getloc();
2017 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2019 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2021 size_t __nmatches = 0;
2023 bool __testvalid = true;
2024 const char_type* __name;
2026 // Look for initial matches.
2027 // NB: Some of the locale data is in the form of all lowercase
2028 // names, and some is in the form of initially-capitalized
2029 // names. Look for both.
2032 const char_type __c = *__beg;
2033 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2034 if (__c == __names[__i1][0]
2035 || __c == __ctype.toupper(__names[__i1][0]))
2036 __matches[__nmatches++] = __i1;
2039 while (__nmatches > 1)
2041 // Find smallest matching string.
2042 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2043 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2044 __minlen = std::min(__minlen,
2045 __traits_type::length(__names[__matches[__i2]]));
2048 if (__pos < __minlen && __beg != __end)
2049 for (size_t __i3 = 0; __i3 < __nmatches;)
2051 __name = __names[__matches[__i3]];
2052 if (__name[__pos] != *__beg)
2053 __matches[__i3] = __matches[--__nmatches];
2061 if (__nmatches == 1)
2063 // Make sure found name is completely extracted.
2066 __name = __names[__matches[0]];
2067 const size_t __len = __traits_type::length(__name);
2068 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2072 __member = __matches[0];
2074 __testvalid = false;
2077 __testvalid = false;
2079 __err |= ios_base::failbit;
2083 template<typename _CharT, typename _InIter>
2085 time_get<_CharT, _InIter>::
2086 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2087 ios_base::iostate& __err, tm* __tm) const
2089 const locale& __loc = __io._M_getloc();
2090 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2091 const char_type* __times[2];
2092 __tp._M_time_formats(__times);
2093 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2096 __err |= ios_base::eofbit;
2100 template<typename _CharT, typename _InIter>
2102 time_get<_CharT, _InIter>::
2103 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2104 ios_base::iostate& __err, tm* __tm) const
2106 const locale& __loc = __io._M_getloc();
2107 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2108 const char_type* __dates[2];
2109 __tp._M_date_formats(__dates);
2110 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2113 __err |= ios_base::eofbit;
2117 template<typename _CharT, typename _InIter>
2119 time_get<_CharT, _InIter>::
2120 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2121 ios_base::iostate& __err, tm* __tm) const
2123 typedef char_traits<_CharT> __traits_type;
2124 const locale& __loc = __io._M_getloc();
2125 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2126 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2127 const char_type* __days[7];
2128 __tp._M_days_abbreviated(__days);
2130 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2132 // Check to see if non-abbreviated name exists, and extract.
2133 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2134 // exact same order, first to last, such that the resulting
2135 // __days array with the same index points to a day, and that
2136 // day's abbreviated form.
2137 // NB: Also assumes that an abbreviated name is a subset of the name.
2140 size_t __pos = __traits_type::length(__days[__tmpwday]);
2141 __tp._M_days(__days);
2142 const char_type* __name = __days[__tmpwday];
2143 if (__name[__pos] == *__beg)
2145 // Extract the rest of it.
2146 const size_t __len = __traits_type::length(__name);
2147 while (__pos < __len && __beg != __end
2148 && __name[__pos] == *__beg)
2151 __err |= ios_base::failbit;
2154 __tm->tm_wday = __tmpwday;
2157 __err |= ios_base::eofbit;
2161 template<typename _CharT, typename _InIter>
2163 time_get<_CharT, _InIter>::
2164 do_get_monthname(iter_type __beg, iter_type __end,
2165 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2167 typedef char_traits<_CharT> __traits_type;
2168 const locale& __loc = __io._M_getloc();
2169 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2170 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2171 const char_type* __months[12];
2172 __tp._M_months_abbreviated(__months);
2174 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2177 // Check to see if non-abbreviated name exists, and extract.
2178 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2179 // exact same order, first to last, such that the resulting
2180 // __months array with the same index points to a month, and that
2181 // month's abbreviated form.
2182 // NB: Also assumes that an abbreviated name is a subset of the name.
2185 size_t __pos = __traits_type::length(__months[__tmpmon]);
2186 __tp._M_months(__months);
2187 const char_type* __name = __months[__tmpmon];
2188 if (__name[__pos] == *__beg)
2190 // Extract the rest of it.
2191 const size_t __len = __traits_type::length(__name);
2192 while (__pos < __len && __beg != __end
2193 && __name[__pos] == *__beg)
2196 __err |= ios_base::failbit;
2199 __tm->tm_mon = __tmpmon;
2203 __err |= ios_base::eofbit;
2207 template<typename _CharT, typename _InIter>
2209 time_get<_CharT, _InIter>::
2210 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2211 ios_base::iostate& __err, tm* __tm) const
2213 const locale& __loc = __io._M_getloc();
2214 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2218 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2220 const char __c = __ctype.narrow(*__beg, '*');
2221 if (__c >= '0' && __c <= '9')
2222 __value = __value * 10 + (__c - '0');
2226 if (__i == 2 || __i == 4)
2227 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2229 __err |= ios_base::failbit;
2231 __err |= ios_base::eofbit;
2235 template<typename _CharT, typename _OutIter>
2237 time_put<_CharT, _OutIter>::
2238 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2239 const _CharT* __beg, const _CharT* __end) const
2241 const locale& __loc = __io._M_getloc();
2242 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2243 for (; __beg != __end; ++__beg)
2244 if (__ctype.narrow(*__beg, 0) != '%')
2249 else if (++__beg != __end)
2253 const char __c = __ctype.narrow(*__beg, 0);
2254 if (__c != 'E' && __c != 'O')
2256 else if (++__beg != __end)
2259 __format = __ctype.narrow(*__beg, 0);
2263 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2270 template<typename _CharT, typename _OutIter>
2272 time_put<_CharT, _OutIter>::
2273 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2274 char __format, char __mod) const
2276 const locale& __loc = __io._M_getloc();
2277 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2278 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2280 // NB: This size is arbitrary. Should this be a data member,
2281 // initialized at construction?
2282 const size_t __maxlen = 128;
2284 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2286 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2287 // is possible that the format character will be longer than one
2288 // character. Possibilities include 'E' or 'O' followed by a
2289 // format character: if __mod is not the default argument, assume
2290 // it's a valid modifier.
2292 __fmt[0] = __ctype.widen('%');
2295 __fmt[1] = __format;
2296 __fmt[2] = char_type();
2301 __fmt[2] = __format;
2302 __fmt[3] = char_type();
2305 __tp._M_put(__res, __maxlen, __fmt, __tm);
2307 // Write resulting, fully-formatted string to output iterator.
2308 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2311 // Generic version does nothing.
2312 template<typename _CharT>
2314 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2317 // Generic version does nothing.
2318 template<typename _CharT>
2320 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2323 template<typename _CharT>
2326 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2327 const _CharT* __lo2, const _CharT* __hi2) const
2329 // strcoll assumes zero-terminated strings so we make a copy
2330 // and then put a zero at the end.
2331 const string_type __one(__lo1, __hi1);
2332 const string_type __two(__lo2, __hi2);
2334 const _CharT* __p = __one.c_str();
2335 const _CharT* __pend = __one.data() + __one.length();
2336 const _CharT* __q = __two.c_str();
2337 const _CharT* __qend = __two.data() + __two.length();
2339 // strcoll stops when it sees a nul character so we break
2340 // the strings into zero-terminated substrings and pass those
2344 const int __res = _M_compare(__p, __q);
2348 __p += char_traits<_CharT>::length(__p);
2349 __q += char_traits<_CharT>::length(__q);
2350 if (__p == __pend && __q == __qend)
2352 else if (__p == __pend)
2354 else if (__q == __qend)
2362 template<typename _CharT>
2363 typename collate<_CharT>::string_type
2365 do_transform(const _CharT* __lo, const _CharT* __hi) const
2367 // strxfrm assumes zero-terminated strings so we make a copy
2368 string_type __str(__lo, __hi);
2370 const _CharT* __p = __str.c_str();
2371 const _CharT* __pend = __str.data() + __str.length();
2373 size_t __len = (__hi - __lo) * 2;
2377 // strxfrm stops when it sees a nul character so we break
2378 // the string into zero-terminated substrings and pass those
2382 // First try a buffer perhaps big enough.
2384 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2385 size_t __res = _M_transform(__c, __p, __len);
2386 // If the buffer was not large enough, try again with the
2391 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2393 __res = _M_transform(__c, __p, __len);
2396 __ret.append(__c, __res);
2397 __p += char_traits<_CharT>::length(__p);
2402 __ret.push_back(_CharT());
2406 template<typename _CharT>
2409 do_hash(const _CharT* __lo, const _CharT* __hi) const
2411 unsigned long __val = 0;
2412 for (; __lo < __hi; ++__lo)
2413 __val = *__lo + ((__val << 7) |
2414 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2415 return static_cast<long>(__val);
2418 // Construct correctly padded string, as per 22.2.2.2.2
2420 // __newlen > __oldlen
2421 // __news is allocated for __newlen size
2422 // Used by both num_put and ostream inserters: if __num,
2423 // internal-adjusted objects are padded according to the rules below
2424 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2427 // NB: Of the two parameters, _CharT can be deduced from the
2428 // function arguments. The other (_Traits) has to be explicitly specified.
2429 template<typename _CharT, typename _Traits>
2431 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2432 _CharT* __news, const _CharT* __olds,
2433 const streamsize __newlen,
2434 const streamsize __oldlen, const bool __num)
2436 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2437 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2440 if (__adjust == ios_base::left)
2442 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2443 _Traits::assign(__news + __oldlen, __plen, __fill);
2448 if (__adjust == ios_base::internal && __num)
2450 // Pad after the sign, if there is one.
2451 // Pad after 0[xX], if there is one.
2452 // Who came up with these rules, anyway? Jeeze.
2453 const locale& __loc = __io._M_getloc();
2454 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2456 const bool __testsign = (__ctype.widen('-') == __olds[0]
2457 || __ctype.widen('+') == __olds[0]);
2458 const bool __testhex = (__ctype.widen('0') == __olds[0]
2460 && (__ctype.widen('x') == __olds[1]
2461 || __ctype.widen('X') == __olds[1]));
2464 __news[0] = __olds[0];
2465 __news[1] = __olds[1];
2469 else if (__testsign)
2471 __news[0] = __olds[0];
2475 // else Padding first.
2477 _Traits::assign(__news, __plen, __fill);
2478 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2483 __verify_grouping(const char* __grouping, size_t __grouping_size,
2484 const string& __grouping_tmp)
2486 const size_t __n = __grouping_tmp.size() - 1;
2487 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2491 // Parsed number groupings have to match the
2492 // numpunct::grouping string exactly, starting at the
2493 // right-most point of the parsed sequence of elements ...
2494 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2495 __test = __grouping_tmp[__i] == __grouping[__j];
2496 for (; __i && __test; --__i)
2497 __test = __grouping_tmp[__i] == __grouping[__min];
2498 // ... but the last parsed grouping can be <= numpunct
2500 __test &= __grouping_tmp[0] <= __grouping[__min];
2504 template<typename _CharT>
2506 __add_grouping(_CharT* __s, _CharT __sep,
2507 const char* __gbeg, size_t __gsize,
2508 const _CharT* __first, const _CharT* __last)
2510 if (__last - __first > *__gbeg)
2512 const bool __bump = __gsize != 1;
2513 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2514 __gsize - __bump, __first,
2516 __first = __last - *__gbeg;
2520 *__s++ = *__first++;
2521 while (__first != __last);
2525 // Inhibit implicit instantiations for required instantiations,
2526 // which are defined via explicit instantiations elsewhere.
2527 // NB: This syntax is a GNU extension.
2528 #if _GLIBCXX_EXTERN_TEMPLATE
2529 extern template class moneypunct<char, false>;
2530 extern template class moneypunct<char, true>;
2531 extern template class moneypunct_byname<char, false>;
2532 extern template class moneypunct_byname<char, true>;
2533 extern template class money_get<char>;
2534 extern template class money_put<char>;
2535 extern template class numpunct<char>;
2536 extern template class numpunct_byname<char>;
2537 extern template class num_get<char>;
2538 extern template class num_put<char>;
2539 extern template class __timepunct<char>;
2540 extern template class time_put<char>;
2541 extern template class time_put_byname<char>;
2542 extern template class time_get<char>;
2543 extern template class time_get_byname<char>;
2544 extern template class messages<char>;
2545 extern template class messages_byname<char>;
2546 extern template class ctype_byname<char>;
2547 extern template class codecvt_byname<char, char, mbstate_t>;
2548 extern template class collate<char>;
2549 extern template class collate_byname<char>;
2552 const codecvt<char, char, mbstate_t>&
2553 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2556 const collate<char>&
2557 use_facet<collate<char> >(const locale&);
2560 const numpunct<char>&
2561 use_facet<numpunct<char> >(const locale&);
2564 const num_put<char>&
2565 use_facet<num_put<char> >(const locale&);
2568 const num_get<char>&
2569 use_facet<num_get<char> >(const locale&);
2572 const moneypunct<char, true>&
2573 use_facet<moneypunct<char, true> >(const locale&);
2576 const moneypunct<char, false>&
2577 use_facet<moneypunct<char, false> >(const locale&);
2580 const money_put<char>&
2581 use_facet<money_put<char> >(const locale&);
2584 const money_get<char>&
2585 use_facet<money_get<char> >(const locale&);
2588 const __timepunct<char>&
2589 use_facet<__timepunct<char> >(const locale&);
2592 const time_put<char>&
2593 use_facet<time_put<char> >(const locale&);
2596 const time_get<char>&
2597 use_facet<time_get<char> >(const locale&);
2600 const messages<char>&
2601 use_facet<messages<char> >(const locale&);
2605 has_facet<ctype<char> >(const locale&);
2609 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2613 has_facet<collate<char> >(const locale&);
2617 has_facet<numpunct<char> >(const locale&);
2621 has_facet<num_put<char> >(const locale&);
2625 has_facet<num_get<char> >(const locale&);
2629 has_facet<moneypunct<char> >(const locale&);
2633 has_facet<money_put<char> >(const locale&);
2637 has_facet<money_get<char> >(const locale&);
2641 has_facet<__timepunct<char> >(const locale&);
2645 has_facet<time_put<char> >(const locale&);
2649 has_facet<time_get<char> >(const locale&);
2653 has_facet<messages<char> >(const locale&);
2655 #ifdef _GLIBCXX_USE_WCHAR_T
2656 extern template class moneypunct<wchar_t, false>;
2657 extern template class moneypunct<wchar_t, true>;
2658 extern template class moneypunct_byname<wchar_t, false>;
2659 extern template class moneypunct_byname<wchar_t, true>;
2660 extern template class money_get<wchar_t>;
2661 extern template class money_put<wchar_t>;
2662 extern template class numpunct<wchar_t>;
2663 extern template class numpunct_byname<wchar_t>;
2664 extern template class num_get<wchar_t>;
2665 extern template class num_put<wchar_t>;
2666 extern template class __timepunct<wchar_t>;
2667 extern template class time_put<wchar_t>;
2668 extern template class time_put_byname<wchar_t>;
2669 extern template class time_get<wchar_t>;
2670 extern template class time_get_byname<wchar_t>;
2671 extern template class messages<wchar_t>;
2672 extern template class messages_byname<wchar_t>;
2673 extern template class ctype_byname<wchar_t>;
2674 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2675 extern template class collate<wchar_t>;
2676 extern template class collate_byname<wchar_t>;
2679 const codecvt<wchar_t, char, mbstate_t>&
2680 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2683 const collate<wchar_t>&
2684 use_facet<collate<wchar_t> >(const locale&);
2687 const numpunct<wchar_t>&
2688 use_facet<numpunct<wchar_t> >(const locale&);
2691 const num_put<wchar_t>&
2692 use_facet<num_put<wchar_t> >(const locale&);
2695 const num_get<wchar_t>&
2696 use_facet<num_get<wchar_t> >(const locale&);
2699 const moneypunct<wchar_t, true>&
2700 use_facet<moneypunct<wchar_t, true> >(const locale&);
2703 const moneypunct<wchar_t, false>&
2704 use_facet<moneypunct<wchar_t, false> >(const locale&);
2707 const money_put<wchar_t>&
2708 use_facet<money_put<wchar_t> >(const locale&);
2711 const money_get<wchar_t>&
2712 use_facet<money_get<wchar_t> >(const locale&);
2715 const __timepunct<wchar_t>&
2716 use_facet<__timepunct<wchar_t> >(const locale&);
2719 const time_put<wchar_t>&
2720 use_facet<time_put<wchar_t> >(const locale&);
2723 const time_get<wchar_t>&
2724 use_facet<time_get<wchar_t> >(const locale&);
2727 const messages<wchar_t>&
2728 use_facet<messages<wchar_t> >(const locale&);
2732 has_facet<ctype<wchar_t> >(const locale&);
2736 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2740 has_facet<collate<wchar_t> >(const locale&);
2744 has_facet<numpunct<wchar_t> >(const locale&);
2748 has_facet<num_put<wchar_t> >(const locale&);
2752 has_facet<num_get<wchar_t> >(const locale&);
2756 has_facet<moneypunct<wchar_t> >(const locale&);
2760 has_facet<money_put<wchar_t> >(const locale&);
2764 has_facet<money_get<wchar_t> >(const locale&);
2768 has_facet<__timepunct<wchar_t> >(const locale&);
2772 has_facet<time_put<wchar_t> >(const locale&);
2776 has_facet<time_get<wchar_t> >(const locale&);
2780 has_facet<messages<wchar_t> >(const locale&);