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 /** @file locale_facets.tcc
32 * This is an internal header file, included by other library headers.
33 * You should not attempt to use it directly.
36 #ifndef _LOCALE_FACETS_TCC
37 #define _LOCALE_FACETS_TCC 1
39 #pragma GCC system_header
41 #include <limits> // For numeric_limits
42 #include <typeinfo> // For bad_cast.
43 #include <bits/streambuf_iterator.h>
47 template<typename _Facet>
49 locale::combine(const locale& __other) const
51 _Impl* __tmp = new _Impl(*_M_impl, 1);
54 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
58 __tmp->_M_remove_reference();
59 __throw_exception_again;
64 template<typename _CharT, typename _Traits, typename _Alloc>
66 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
67 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
69 typedef std::collate<_CharT> __collate_type;
70 const __collate_type& __collate = use_facet<__collate_type>(*this);
71 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
72 __s2.data(), __s2.data() + __s2.length()) < 0);
76 * @brief Test for the presence of a facet.
78 * has_facet tests the locale argument for the presence of the facet type
79 * provided as the template parameter. Facets derived from the facet
80 * parameter will also return true.
82 * @param Facet The facet type to test the presence of.
83 * @param locale The locale to test.
84 * @return true if locale contains a facet of type Facet, else false.
86 template<typename _Facet>
88 has_facet(const locale& __loc) throw()
90 const size_t __i = _Facet::id._M_id();
91 const locale::facet** __facets = __loc._M_impl->_M_facets;
92 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
96 * @brief Return a facet.
98 * use_facet looks for and returns a reference to a facet of type Facet
99 * where Facet is the template parameter. If has_facet(locale) is true,
100 * there is a suitable facet to return. It throws std::bad_cast if the
101 * locale doesn't contain a facet of type Facet.
103 * @param Facet The facet type to access.
104 * @param locale The locale to use.
105 * @return Reference to facet of type Facet.
106 * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
108 template<typename _Facet>
110 use_facet(const locale& __loc)
112 const size_t __i = _Facet::id._M_id();
113 const locale::facet** __facets = __loc._M_impl->_M_facets;
114 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
116 return static_cast<const _Facet&>(*__facets[__i]);
119 // Routine to access a cache for the facet. If the cache didn't
120 // exist before, it gets constructed on the fly.
121 template<typename _Facet>
125 operator() (const locale& __loc) const;
129 template<typename _CharT>
130 struct __use_cache<__numpunct_cache<_CharT> >
132 const __numpunct_cache<_CharT>*
133 operator() (const locale& __loc) const
135 const size_t __i = numpunct<_CharT>::id._M_id();
136 const locale::facet** __caches = __loc._M_impl->_M_caches;
139 __numpunct_cache<_CharT>* __tmp = NULL;
142 __tmp = new __numpunct_cache<_CharT>;
143 __tmp->_M_cache(__loc);
148 __throw_exception_again;
150 __loc._M_impl->_M_install_cache(__tmp, __i);
152 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
156 template<typename _CharT, bool _Intl>
157 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
159 const __moneypunct_cache<_CharT, _Intl>*
160 operator() (const locale& __loc) const
162 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
163 const locale::facet** __caches = __loc._M_impl->_M_caches;
166 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
169 __tmp = new __moneypunct_cache<_CharT, _Intl>;
170 __tmp->_M_cache(__loc);
175 __throw_exception_again;
177 __loc._M_impl->_M_install_cache(__tmp, __i);
180 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
184 template<typename _CharT>
186 __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
190 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
192 _M_grouping_size = __np.grouping().size();
193 char* __grouping = new char[_M_grouping_size];
194 __np.grouping().copy(__grouping, _M_grouping_size);
195 _M_grouping = __grouping;
196 _M_use_grouping = _M_grouping_size && __np.grouping()[0] != 0;
198 _M_truename_size = __np.truename().size();
199 _CharT* __truename = new _CharT[_M_truename_size];
200 __np.truename().copy(__truename, _M_truename_size);
201 _M_truename = __truename;
203 _M_falsename_size = __np.falsename().size();
204 _CharT* __falsename = new _CharT[_M_falsename_size];
205 __np.falsename().copy(__falsename, _M_falsename_size);
206 _M_falsename = __falsename;
208 _M_decimal_point = __np.decimal_point();
209 _M_thousands_sep = __np.thousands_sep();
211 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
212 __ct.widen(__num_base::_S_atoms_out,
213 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
214 __ct.widen(__num_base::_S_atoms_in,
215 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
218 template<typename _CharT, bool _Intl>
220 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
224 const moneypunct<_CharT, _Intl>& __mp =
225 use_facet<moneypunct<_CharT, _Intl> >(__loc);
227 _M_grouping_size = __mp.grouping().size();
228 char* __grouping = new char[_M_grouping_size];
229 __mp.grouping().copy(__grouping, _M_grouping_size);
230 _M_grouping = __grouping;
231 _M_use_grouping = _M_grouping_size && __mp.grouping()[0] != 0;
233 _M_decimal_point = __mp.decimal_point();
234 _M_thousands_sep = __mp.thousands_sep();
235 _M_frac_digits = __mp.frac_digits();
237 _M_curr_symbol_size = __mp.curr_symbol().size();
238 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
239 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
240 _M_curr_symbol = __curr_symbol;
242 _M_positive_sign_size = __mp.positive_sign().size();
243 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
244 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
245 _M_positive_sign = __positive_sign;
247 _M_negative_sign_size = __mp.negative_sign().size();
248 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
249 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
250 _M_negative_sign = __negative_sign;
252 _M_pos_format = __mp.pos_format();
253 _M_neg_format = __mp.neg_format();
255 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
256 __ct.widen(money_base::_S_atoms,
257 money_base::_S_atoms + money_base::_S_end, _M_atoms);
261 // Used by both numeric and monetary facets.
262 // Check to make sure that the __grouping_tmp string constructed in
263 // money_get or num_get matches the canonical grouping for a given
265 // __grouping_tmp is parsed L to R
266 // 1,222,444 == __grouping_tmp of "\1\3\3"
267 // __grouping is parsed R to L
268 // 1,222,444 == __grouping of "\3" == "\3\3\3"
270 __verify_grouping(const char* __grouping, size_t __grouping_size,
271 const string& __grouping_tmp);
273 template<typename _CharT, typename _InIter>
275 num_get<_CharT, _InIter>::
276 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
277 ios_base::iostate& __err, string& __xtrc) const
279 typedef char_traits<_CharT> __traits_type;
280 typedef typename numpunct<_CharT>::__cache_type __cache_type;
281 __use_cache<__cache_type> __uc;
282 const locale& __loc = __io._M_getloc();
283 const __cache_type* __lc = __uc(__loc);
284 const _CharT* __lit = __lc->_M_atoms_in;
285 char_type __c = char_type();
287 // True if __beg becomes equal to __end.
288 bool __testeof = __beg == __end;
290 // First check for sign.
294 const bool __plus = __c == __lit[__num_base::_S_iplus];
295 if ((__plus || __c == __lit[__num_base::_S_iminus])
296 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
297 && !(__c == __lc->_M_decimal_point))
299 __xtrc += __plus ? '+' : '-';
300 if (++__beg != __end)
307 // Next, look for leading zeros.
308 bool __found_mantissa = false;
311 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
312 || __c == __lc->_M_decimal_point)
314 else if (__c == __lit[__num_base::_S_izero])
316 if (!__found_mantissa)
319 __found_mantissa = true;
321 if (++__beg != __end)
330 // Only need acceptable digits for floating point numbers.
331 bool __found_dec = false;
332 bool __found_sci = false;
333 string __found_grouping;
334 if (__lc->_M_use_grouping)
335 __found_grouping.reserve(32);
337 const char_type* __q;
338 const char_type* __lit_zero = __lit + __num_base::_S_izero;
341 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
342 // and decimal_point.
343 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
345 if (!__found_dec && !__found_sci)
347 // NB: Thousands separator at the beginning of a string
348 // is a no-no, as is two consecutive thousands separators.
351 __found_grouping += static_cast<char>(__sep_pos);
356 __err |= ios_base::failbit;
363 else if (__c == __lc->_M_decimal_point)
365 if (!__found_dec && !__found_sci)
367 // If no grouping chars are seen, no grouping check
368 // is applied. Therefore __found_grouping is adjusted
369 // only if decimal_point comes after some thousands_sep.
370 if (__found_grouping.size())
371 __found_grouping += static_cast<char>(__sep_pos);
378 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
380 __xtrc += __num_base::_S_atoms_in[__q - __lit];
381 __found_mantissa = true;
384 else if ((__c == __lit[__num_base::_S_ie]
385 || __c == __lit[__num_base::_S_iE])
386 && __found_mantissa && !__found_sci)
388 // Scientific notation.
389 if (__found_grouping.size() && !__found_dec)
390 __found_grouping += static_cast<char>(__sep_pos);
394 // Remove optional plus or minus sign, if they exist.
395 if (++__beg != __end)
398 const bool __plus = __c == __lit[__num_base::_S_iplus];
399 if ((__plus || __c == __lit[__num_base::_S_iminus])
400 && !(__lc->_M_use_grouping
401 && __c == __lc->_M_thousands_sep)
402 && !(__c == __lc->_M_decimal_point))
403 __xtrc += __plus ? '+' : '-';
414 // Not a valid input item.
417 if (++__beg != __end)
423 // Digit grouping is checked. If grouping and found_grouping don't
424 // match, then get very very upset, and set failbit.
425 if (__found_grouping.size())
427 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
428 if (!__found_dec && !__found_sci)
429 __found_grouping += static_cast<char>(__sep_pos);
431 if (!std::__verify_grouping(__lc->_M_grouping,
432 __lc->_M_grouping_size,
434 __err |= ios_base::failbit;
439 __err |= ios_base::eofbit;
443 template<typename _CharT, typename _InIter>
444 template<typename _ValueT>
446 num_get<_CharT, _InIter>::
447 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
448 ios_base::iostate& __err, _ValueT& __v) const
450 typedef char_traits<_CharT> __traits_type;
451 typedef typename numpunct<_CharT>::__cache_type __cache_type;
452 __use_cache<__cache_type> __uc;
453 const locale& __loc = __io._M_getloc();
454 const __cache_type* __lc = __uc(__loc);
455 const _CharT* __lit = __lc->_M_atoms_in;
456 char_type __c = char_type();
458 // NB: Iff __basefield == 0, __base can change based on contents.
459 const ios_base::fmtflags __basefield = __io.flags()
460 & ios_base::basefield;
461 const bool __oct = __basefield == ios_base::oct;
462 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
464 // True if __beg becomes equal to __end.
465 bool __testeof = __beg == __end;
467 // First check for sign.
468 bool __negative = false;
472 if (numeric_limits<_ValueT>::is_signed)
473 __negative = __c == __lit[__num_base::_S_iminus];
474 if ((__negative || __c == __lit[__num_base::_S_iplus])
475 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
476 && !(__c == __lc->_M_decimal_point))
478 if (++__beg != __end)
485 // Next, look for leading zeros and check required digits
487 bool __found_zero = false;
490 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
491 || __c == __lc->_M_decimal_point)
493 else if (__c == __lit[__num_base::_S_izero]
494 && (!__found_zero || __base == 10))
496 else if (__found_zero)
498 if (__c == __lit[__num_base::_S_ix]
499 || __c == __lit[__num_base::_S_iX])
501 if (__basefield == 0)
504 __found_zero = false;
510 if (__basefield == 0)
518 if (++__beg != __end)
528 // At this point, base is determined. If not hex, only allow
529 // base digits as valid input.
530 const size_t __len = (__base == 16 ? __num_base::_S_iend
531 - __num_base::_S_izero : __base);
534 string __found_grouping;
535 if (__lc->_M_use_grouping)
536 __found_grouping.reserve(32);
538 bool __overflow = false;
539 _ValueT __result = 0;
540 const char_type* __q;
541 const char_type* __lit_zero = __lit + __num_base::_S_izero;
544 const _ValueT __min = numeric_limits<_ValueT>::min() / __base;
547 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
548 // and decimal_point.
549 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
551 // NB: Thousands separator at the beginning of a string
552 // is a no-no, as is two consecutive thousands separators.
555 __found_grouping += static_cast<char>(__sep_pos);
560 __err |= ios_base::failbit;
564 else if (__c == __lc->_M_decimal_point)
566 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
568 int __digit = __q - __lit_zero;
571 if (__result < __min)
575 const _ValueT __new_result = (__result * __base
577 __overflow |= __new_result > __result;
578 __result = __new_result;
583 // Not a valid input item.
586 if (++__beg != __end)
594 const _ValueT __max = numeric_limits<_ValueT>::max() / __base;
597 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
601 __found_grouping += static_cast<char>(__sep_pos);
606 __err |= ios_base::failbit;
610 else if (__c == __lc->_M_decimal_point)
612 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
614 int __digit = __q - __lit_zero;
617 if (__result > __max)
621 const _ValueT __new_result = (__result * __base
623 __overflow |= __new_result < __result;
624 __result = __new_result;
631 if (++__beg != __end)
638 // Digit grouping is checked. If grouping and found_grouping don't
639 // match, then get very very upset, and set failbit.
640 if (__found_grouping.size())
642 // Add the ending grouping.
643 __found_grouping += static_cast<char>(__sep_pos);
645 if (!std::__verify_grouping(__lc->_M_grouping,
646 __lc->_M_grouping_size,
648 __err |= ios_base::failbit;
651 if (!(__err & ios_base::failbit) && !__overflow
652 && (__sep_pos || __found_zero || __found_grouping.size()))
655 __err |= ios_base::failbit;
658 __err |= ios_base::eofbit;
662 // _GLIBCXX_RESOLVE_LIB_DEFECTS
663 // 17. Bad bool parsing
664 template<typename _CharT, typename _InIter>
666 num_get<_CharT, _InIter>::
667 do_get(iter_type __beg, iter_type __end, ios_base& __io,
668 ios_base::iostate& __err, bool& __v) const
670 if (!(__io.flags() & ios_base::boolalpha))
672 // Parse bool values as long.
673 // NB: We can't just call do_get(long) here, as it might
674 // refer to a derived class.
676 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
677 if (__l == 0 || __l == 1)
680 __err |= ios_base::failbit;
684 // Parse bool values as alphanumeric.
685 typedef typename numpunct<_CharT>::__cache_type __cache_type;
686 __use_cache<__cache_type> __uc;
687 const locale& __loc = __io._M_getloc();
688 const __cache_type* __lc = __uc(__loc);
693 bool __testeof = __beg == __end;
694 for (__n = 0; !__testeof; ++__n)
696 const char_type __c = *__beg;
699 if (__n < __lc->_M_falsename_size)
700 __testf = __c == __lc->_M_falsename[__n];
705 if (__n < __lc->_M_truename_size)
706 __testt = __c == __lc->_M_truename[__n];
710 if (!__testf && !__testt)
713 if (++__beg == __end)
716 if (__testf && __n == __lc->_M_falsename_size)
718 else if (__testt && __n == __lc->_M_truename_size)
721 __err |= ios_base::failbit;
724 __err |= ios_base::eofbit;
729 template<typename _CharT, typename _InIter>
731 num_get<_CharT, _InIter>::
732 do_get(iter_type __beg, iter_type __end, ios_base& __io,
733 ios_base::iostate& __err, long& __v) const
734 { return _M_extract_int(__beg, __end, __io, __err, __v); }
736 template<typename _CharT, typename _InIter>
738 num_get<_CharT, _InIter>::
739 do_get(iter_type __beg, iter_type __end, ios_base& __io,
740 ios_base::iostate& __err, unsigned short& __v) const
741 { return _M_extract_int(__beg, __end, __io, __err, __v); }
743 template<typename _CharT, typename _InIter>
745 num_get<_CharT, _InIter>::
746 do_get(iter_type __beg, iter_type __end, ios_base& __io,
747 ios_base::iostate& __err, unsigned int& __v) const
748 { return _M_extract_int(__beg, __end, __io, __err, __v); }
750 template<typename _CharT, typename _InIter>
752 num_get<_CharT, _InIter>::
753 do_get(iter_type __beg, iter_type __end, ios_base& __io,
754 ios_base::iostate& __err, unsigned long& __v) const
755 { return _M_extract_int(__beg, __end, __io, __err, __v); }
757 #ifdef _GLIBCXX_USE_LONG_LONG
758 template<typename _CharT, typename _InIter>
760 num_get<_CharT, _InIter>::
761 do_get(iter_type __beg, iter_type __end, ios_base& __io,
762 ios_base::iostate& __err, long long& __v) const
763 { return _M_extract_int(__beg, __end, __io, __err, __v); }
765 template<typename _CharT, typename _InIter>
767 num_get<_CharT, _InIter>::
768 do_get(iter_type __beg, iter_type __end, ios_base& __io,
769 ios_base::iostate& __err, unsigned long long& __v) const
770 { return _M_extract_int(__beg, __end, __io, __err, __v); }
773 template<typename _CharT, typename _InIter>
775 num_get<_CharT, _InIter>::
776 do_get(iter_type __beg, iter_type __end, ios_base& __io,
777 ios_base::iostate& __err, float& __v) const
781 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
782 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
786 template<typename _CharT, typename _InIter>
788 num_get<_CharT, _InIter>::
789 do_get(iter_type __beg, iter_type __end, ios_base& __io,
790 ios_base::iostate& __err, double& __v) const
794 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
795 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
799 template<typename _CharT, typename _InIter>
801 num_get<_CharT, _InIter>::
802 do_get(iter_type __beg, iter_type __end, ios_base& __io,
803 ios_base::iostate& __err, long double& __v) const
807 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
808 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
812 template<typename _CharT, typename _InIter>
814 num_get<_CharT, _InIter>::
815 do_get(iter_type __beg, iter_type __end, ios_base& __io,
816 ios_base::iostate& __err, void*& __v) const
818 // Prepare for hex formatted input.
819 typedef ios_base::fmtflags fmtflags;
820 const fmtflags __fmt = __io.flags();
821 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
824 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
826 // Reset from hex formatted input.
829 if (!(__err & ios_base::failbit))
830 __v = reinterpret_cast<void*>(__ul);
834 // For use by integer and floating-point types after they have been
835 // converted into a char_type string.
836 template<typename _CharT, typename _OutIter>
838 num_put<_CharT, _OutIter>::
839 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
840 _CharT* __new, const _CharT* __cs, int& __len) const
842 // [22.2.2.2.2] Stage 3.
843 // If necessary, pad.
844 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
846 __len = static_cast<int>(__w);
849 // Forwarding functions to peel signed from unsigned integer types.
850 template<typename _CharT>
852 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
853 ios_base::fmtflags __flags)
855 unsigned long __ul = static_cast<unsigned long>(__v);
862 return __int_to_char(__bufend, __ul, __lit, __flags, __neg);
865 template<typename _CharT>
867 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
868 ios_base::fmtflags __flags)
870 // About showpos, see Table 60 and C99 7.19.6.1, p6 (+).
871 return __int_to_char(__bufend, __v, __lit,
872 __flags & ~ios_base::showpos, false);
875 #ifdef _GLIBCXX_USE_LONG_LONG
876 template<typename _CharT>
878 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
879 ios_base::fmtflags __flags)
881 unsigned long long __ull = static_cast<unsigned long long>(__v);
888 return __int_to_char(__bufend, __ull, __lit, __flags, __neg);
891 template<typename _CharT>
893 __int_to_char(_CharT* __bufend, unsigned long long __v,
894 const _CharT* __lit, ios_base::fmtflags __flags)
895 { return __int_to_char(__bufend, __v, __lit,
896 __flags & ~ios_base::showpos, false); }
899 template<typename _CharT, typename _ValueT>
901 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
902 ios_base::fmtflags __flags, bool __neg)
904 // Don't write base if already 0.
905 const bool __showbase = (__flags & ios_base::showbase) && __v;
906 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
907 _CharT* __buf = __bufend - 1;
909 if (__builtin_expect(__basefield != ios_base::oct &&
910 __basefield != ios_base::hex, true))
915 *__buf-- = __lit[(__v % 10) + __num_base::_S_odigits];
920 *__buf-- = __lit[__num_base::_S_ominus];
921 else if (__flags & ios_base::showpos)
922 *__buf-- = __lit[__num_base::_S_oplus];
924 else if (__basefield == ios_base::oct)
929 *__buf-- = __lit[(__v & 0x7) + __num_base::_S_odigits];
934 *__buf-- = __lit[__num_base::_S_odigits];
939 const bool __uppercase = __flags & ios_base::uppercase;
940 const int __case_offset = __uppercase ? __num_base::_S_oudigits
941 : __num_base::_S_odigits;
944 *__buf-- = __lit[(__v & 0xf) + __case_offset];
951 *__buf-- = __lit[__num_base::_S_ox + __uppercase];
953 *__buf-- = __lit[__num_base::_S_odigits];
956 return __bufend - __buf - 1;
959 template<typename _CharT, typename _OutIter>
961 num_put<_CharT, _OutIter>::
962 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
963 ios_base& __io, _CharT* __new, _CharT* __cs, int& __len) const
965 // By itself __add_grouping cannot deal correctly with __cs when
966 // ios::showbase is set and ios_base::oct || ios_base::hex.
967 // Therefore we take care "by hand" of the initial 0, 0x or 0X.
968 // However, remember that the latter do not occur if the number
969 // printed is '0' (__len == 1).
970 streamsize __off = 0;
971 const ios_base::fmtflags __basefield = __io.flags()
972 & ios_base::basefield;
973 if ((__io.flags() & ios_base::showbase) && __len > 1)
974 if (__basefield == ios_base::oct)
979 else if (__basefield == ios_base::hex)
985 _CharT* __p = std::__add_grouping(__new + __off, __sep, __grouping,
986 __grouping_size, __cs + __off,
991 template<typename _CharT, typename _OutIter>
992 template<typename _ValueT>
994 num_put<_CharT, _OutIter>::
995 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
998 typedef typename numpunct<_CharT>::__cache_type __cache_type;
999 __use_cache<__cache_type> __uc;
1000 const locale& __loc = __io._M_getloc();
1001 const __cache_type* __lc = __uc(__loc);
1002 const _CharT* __lit = __lc->_M_atoms_out;
1004 // Long enough to hold hex, dec, and octal representations.
1005 const int __ilen = 4 * sizeof(_ValueT);
1006 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1009 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1010 // Result is returned right-justified in the buffer.
1012 __len = __int_to_char(__cs + __ilen, __v, __lit, __io.flags());
1013 __cs += __ilen - __len;
1015 // Add grouping, if necessary.
1016 if (__lc->_M_use_grouping)
1018 // Grouping can add (almost) as many separators as the
1019 // number of digits, but no more.
1020 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1022 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1023 __lc->_M_thousands_sep, __io, __cs2, __cs, __len);
1028 const streamsize __w = __io.width();
1029 if (__w > static_cast<streamsize>(__len))
1031 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1033 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1038 // [22.2.2.2.2] Stage 4.
1039 // Write resulting, fully-formatted string to output iterator.
1040 return std::__write(__s, __cs, __len);
1043 template<typename _CharT, typename _OutIter>
1045 num_put<_CharT, _OutIter>::
1046 _M_group_float(const char* __grouping, size_t __grouping_size,
1047 _CharT __sep, const _CharT* __p, _CharT* __new,
1048 _CharT* __cs, int& __len) const
1050 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1051 // 282. What types does numpunct grouping refer to?
1052 // Add grouping, if necessary.
1053 const int __declen = __p ? __p - __cs : __len;
1054 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1056 __cs, __cs + __declen);
1058 // Tack on decimal part.
1059 int __newlen = __p2 - __new;
1062 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1063 __newlen += __len - __declen;
1068 // The following code uses snprintf (or sprintf(), when
1069 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1070 // for insertion into a stream. An optimization would be to replace
1071 // them with code that works directly on a wide buffer and then use
1072 // __pad to do the padding. It would be good to replace them anyway
1073 // to gain back the efficiency that C++ provides by knowing up front
1074 // the type of the values to insert. Also, sprintf is dangerous
1075 // since may lead to accidental buffer overruns. This
1076 // implementation follows the C++ standard fairly directly as
1077 // outlined in 22.2.2.2 [lib.locale.num.put]
1078 template<typename _CharT, typename _OutIter>
1079 template<typename _ValueT>
1081 num_put<_CharT, _OutIter>::
1082 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1085 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1086 __use_cache<__cache_type> __uc;
1087 const locale& __loc = __io._M_getloc();
1088 const __cache_type* __lc = __uc(__loc);
1090 // Use default precision if out of range.
1091 streamsize __prec = __io.precision();
1092 if (__prec < static_cast<streamsize>(0))
1093 __prec = static_cast<streamsize>(6);
1095 const int __max_digits = numeric_limits<_ValueT>::digits10;
1097 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1099 // Long enough for the max format spec.
1102 #ifdef _GLIBCXX_USE_C99
1103 // First try a buffer perhaps big enough (most probably sufficient
1104 // for non-ios_base::fixed outputs)
1105 int __cs_size = __max_digits * 3;
1106 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1108 __num_base::_S_format_float(__io, __fbuf, __mod);
1109 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1110 _S_get_c_locale(), __prec);
1112 // If the buffer was not large enough, try again with the correct size.
1113 if (__len >= __cs_size)
1115 __cs_size = __len + 1;
1116 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1117 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1118 _S_get_c_locale(), __prec);
1121 // Consider the possibility of long ios_base::fixed outputs
1122 const bool __fixed = __io.flags() & ios_base::fixed;
1123 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1125 // The size of the output string is computed as follows.
1126 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1127 // for the integer part + __prec chars for the fractional part
1128 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1129 // for non-fixed outputs __max_digits * 2 + __prec chars are
1130 // largely sufficient.
1131 const int __cs_size = __fixed ? __max_exp + __prec + 4
1132 : __max_digits * 2 + __prec;
1133 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1135 __num_base::_S_format_float(__io, __fbuf, __mod);
1136 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1137 _S_get_c_locale(), __prec);
1140 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1141 // numpunct.decimal_point() values for '.' and adding grouping.
1142 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1144 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1146 __ctype.widen(__cs, __cs + __len, __ws);
1148 // Replace decimal point.
1149 const _CharT __cdec = __ctype.widen('.');
1150 const _CharT __dec = __lc->_M_decimal_point;
1151 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1153 __ws[__p - __ws] = __dec;
1155 // Add grouping, if necessary.
1156 if (__lc->_M_use_grouping)
1158 // Grouping can add (almost) as many separators as the
1159 // number of digits, but no more.
1160 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1162 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1163 __lc->_M_thousands_sep, __p, __ws2, __ws, __len);
1168 const streamsize __w = __io.width();
1169 if (__w > static_cast<streamsize>(__len))
1171 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1173 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1178 // [22.2.2.2.2] Stage 4.
1179 // Write resulting, fully-formatted string to output iterator.
1180 return std::__write(__s, __ws, __len);
1183 template<typename _CharT, typename _OutIter>
1185 num_put<_CharT, _OutIter>::
1186 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1188 const ios_base::fmtflags __flags = __io.flags();
1189 if ((__flags & ios_base::boolalpha) == 0)
1191 const long __l = __v;
1192 __s = _M_insert_int(__s, __io, __fill, __l);
1196 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1197 __use_cache<__cache_type> __uc;
1198 const locale& __loc = __io._M_getloc();
1199 const __cache_type* __lc = __uc(__loc);
1201 const _CharT* __name = __v ? __lc->_M_truename
1202 : __lc->_M_falsename;
1203 int __len = __v ? __lc->_M_truename_size
1204 : __lc->_M_falsename_size;
1206 const streamsize __w = __io.width();
1207 if (__w > static_cast<streamsize>(__len))
1210 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1212 _M_pad(__fill, __w, __io, __cs, __name, __len);
1216 __s = std::__write(__s, __name, __len);
1221 template<typename _CharT, typename _OutIter>
1223 num_put<_CharT, _OutIter>::
1224 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1225 { return _M_insert_int(__s, __io, __fill, __v); }
1227 template<typename _CharT, typename _OutIter>
1229 num_put<_CharT, _OutIter>::
1230 do_put(iter_type __s, ios_base& __io, char_type __fill,
1231 unsigned long __v) const
1232 { return _M_insert_int(__s, __io, __fill, __v); }
1234 #ifdef _GLIBCXX_USE_LONG_LONG
1235 template<typename _CharT, typename _OutIter>
1237 num_put<_CharT, _OutIter>::
1238 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1239 { return _M_insert_int(__s, __b, __fill, __v); }
1241 template<typename _CharT, typename _OutIter>
1243 num_put<_CharT, _OutIter>::
1244 do_put(iter_type __s, ios_base& __io, char_type __fill,
1245 unsigned long long __v) const
1246 { return _M_insert_int(__s, __io, __fill, __v); }
1249 template<typename _CharT, typename _OutIter>
1251 num_put<_CharT, _OutIter>::
1252 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1253 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1255 template<typename _CharT, typename _OutIter>
1257 num_put<_CharT, _OutIter>::
1258 do_put(iter_type __s, ios_base& __io, char_type __fill,
1259 long double __v) const
1260 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1262 template<typename _CharT, typename _OutIter>
1264 num_put<_CharT, _OutIter>::
1265 do_put(iter_type __s, ios_base& __io, char_type __fill,
1266 const void* __v) const
1268 const ios_base::fmtflags __flags = __io.flags();
1269 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1270 | ios_base::uppercase
1271 | ios_base::internal);
1272 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1274 __s = _M_insert_int(__s, __io, __fill,
1275 reinterpret_cast<unsigned long>(__v));
1276 __io.flags(__flags);
1280 template<typename _CharT, typename _InIter>
1281 template<bool _Intl>
1283 money_get<_CharT, _InIter>::
1284 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1285 ios_base::iostate& __err, string& __units) const
1287 typedef char_traits<_CharT> __traits_type;
1288 typedef typename string_type::size_type size_type;
1289 typedef money_base::part part;
1290 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1291 typedef typename __moneypunct_type::__cache_type __cache_type;
1293 const locale& __loc = __io._M_getloc();
1294 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1296 __use_cache<__cache_type> __uc;
1297 const __cache_type* __lc = __uc(__loc);
1298 const char_type* __lit = __lc->_M_atoms;
1301 bool __negative = false;
1303 size_type __sign_size = 0;
1304 // True if sign is mandatory.
1305 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1306 && __lc->_M_negative_sign_size);
1307 // String of grouping info from thousands_sep plucked from __units.
1308 string __grouping_tmp;
1309 if (__lc->_M_use_grouping)
1310 __grouping_tmp.reserve(32);
1311 // Last position before the decimal point.
1313 // Separator positions, then, possibly, fractional digits.
1315 // If input iterator is in a valid state.
1316 bool __testvalid = true;
1317 // Flag marking when a decimal point is found.
1318 bool __testdecfound = false;
1320 // The tentative returned string is stored here.
1324 const char_type* __lit_zero = __lit + money_base::_S_zero;
1325 const money_base::pattern __p = __lc->_M_neg_format;
1326 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1328 const part __which = static_cast<part>(__p.field[__i]);
1331 case money_base::symbol:
1332 // According to 22.2.6.1.2, p2, symbol is required
1333 // if (__io.flags() & ios_base::showbase), otherwise
1334 // is optional and consumed only if other characters
1335 // are needed to complete the format.
1336 if (__io.flags() & ios_base::showbase || __sign_size > 1
1338 || (__i == 1 && (__mandatory_sign
1339 || (static_cast<part>(__p.field[0])
1340 == money_base::sign)
1341 || (static_cast<part>(__p.field[2])
1342 == money_base::space)))
1343 || (__i == 2 && ((static_cast<part>(__p.field[3])
1344 == money_base::value)
1346 && (static_cast<part>(__p.field[3])
1347 == money_base::sign))))
1349 const size_type __len = __lc->_M_curr_symbol_size;
1351 for (; __beg != __end && __j < __len
1352 && *__beg == __lc->_M_curr_symbol[__j];
1355 && (__j || __io.flags() & ios_base::showbase))
1356 __testvalid = false;
1359 case money_base::sign:
1360 // Sign might not exist, or be more than one character long.
1361 if (__lc->_M_positive_sign_size && __beg != __end
1362 && *__beg == __lc->_M_positive_sign[0])
1364 __sign_size = __lc->_M_positive_sign_size;
1367 else if (__lc->_M_negative_sign_size && __beg != __end
1368 && *__beg == __lc->_M_negative_sign[0])
1371 __sign_size = __lc->_M_negative_sign_size;
1374 else if (__lc->_M_positive_sign_size
1375 && !__lc->_M_negative_sign_size)
1376 // "... if no sign is detected, the result is given the sign
1377 // that corresponds to the source of the empty string"
1379 else if (__mandatory_sign)
1380 __testvalid = false;
1382 case money_base::value:
1383 // Extract digits, remove and stash away the
1384 // grouping of found thousands separators.
1385 for (; __beg != __end; ++__beg)
1387 const char_type __c = *__beg;
1388 const char_type* __q = __traits_type::find(__lit_zero,
1392 __res += money_base::_S_atoms[__q - __lit];
1395 else if (__c == __lc->_M_decimal_point
1400 __testdecfound = true;
1402 else if (__lc->_M_use_grouping
1403 && __c == __lc->_M_thousands_sep
1408 // Mark position for later analysis.
1409 __grouping_tmp += static_cast<char>(__n);
1414 __testvalid = false;
1422 __testvalid = false;
1424 case money_base::space:
1425 // At least one space is required.
1426 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1429 __testvalid = false;
1430 case money_base::none:
1431 // Only if not at the end of the pattern.
1433 for (; __beg != __end
1434 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1439 // Need to get the rest of the sign characters, if they exist.
1440 if (__sign_size > 1 && __testvalid)
1442 const char_type* __sign = __negative ? __lc->_M_negative_sign
1443 : __lc->_M_positive_sign;
1445 for (; __beg != __end && __i < __sign_size
1446 && *__beg == __sign[__i]; ++__beg, ++__i);
1448 if (__i != __sign_size)
1449 __testvalid = false;
1454 // Strip leading zeros.
1455 if (__res.size() > 1)
1457 const size_type __first = __res.find_first_not_of('0');
1458 const bool __only_zeros = __first == string::npos;
1460 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1464 if (__negative && __res[0] != '0')
1465 __res.insert(__res.begin(), '-');
1467 // Test for grouping fidelity.
1468 if (__grouping_tmp.size())
1470 // Add the ending grouping.
1471 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1473 if (!std::__verify_grouping(__lc->_M_grouping,
1474 __lc->_M_grouping_size,
1476 __testvalid = false;
1479 // Iff not enough digits were supplied after the decimal-point.
1480 if (__testdecfound && __lc->_M_frac_digits > 0
1481 && __n != __lc->_M_frac_digits)
1482 __testvalid = false;
1485 // Iff valid sequence is not recognized.
1487 __err |= ios_base::failbit;
1489 __units.swap(__res);
1491 // Iff no more characters are available.
1493 __err |= ios_base::eofbit;
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]]));
2047 if (__pos < __minlen && __beg != __end)
2048 for (size_t __i3 = 0; __i3 < __nmatches;)
2050 __name = __names[__matches[__i3]];
2051 if (__name[__pos] != *__beg)
2052 __matches[__i3] = __matches[--__nmatches];
2060 if (__nmatches == 1)
2062 // Make sure found name is completely extracted.
2064 __name = __names[__matches[0]];
2065 const size_t __len = __traits_type::length(__name);
2066 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2070 __member = __matches[0];
2072 __testvalid = false;
2075 __testvalid = false;
2077 __err |= ios_base::failbit;
2081 template<typename _CharT, typename _InIter>
2083 time_get<_CharT, _InIter>::
2084 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2085 ios_base::iostate& __err, tm* __tm) const
2087 const locale& __loc = __io._M_getloc();
2088 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2089 const char_type* __times[2];
2090 __tp._M_time_formats(__times);
2091 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2094 __err |= ios_base::eofbit;
2098 template<typename _CharT, typename _InIter>
2100 time_get<_CharT, _InIter>::
2101 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2102 ios_base::iostate& __err, tm* __tm) const
2104 const locale& __loc = __io._M_getloc();
2105 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2106 const char_type* __dates[2];
2107 __tp._M_date_formats(__dates);
2108 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2111 __err |= ios_base::eofbit;
2115 template<typename _CharT, typename _InIter>
2117 time_get<_CharT, _InIter>::
2118 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2119 ios_base::iostate& __err, tm* __tm) const
2121 typedef char_traits<_CharT> __traits_type;
2122 const locale& __loc = __io._M_getloc();
2123 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2124 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2125 const char_type* __days[7];
2126 __tp._M_days_abbreviated(__days);
2128 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2130 // Check to see if non-abbreviated name exists, and extract.
2131 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2132 // exact same order, first to last, such that the resulting
2133 // __days array with the same index points to a day, and that
2134 // day's abbreviated form.
2135 // NB: Also assumes that an abbreviated name is a subset of the name.
2136 if (!__err && __beg != __end)
2138 size_t __pos = __traits_type::length(__days[__tmpwday]);
2139 __tp._M_days(__days);
2140 const char_type* __name = __days[__tmpwday];
2141 if (__name[__pos] == *__beg)
2143 // Extract the rest of it.
2144 const size_t __len = __traits_type::length(__name);
2145 while (__pos < __len && __beg != __end
2146 && __name[__pos] == *__beg)
2149 __err |= ios_base::failbit;
2153 __tm->tm_wday = __tmpwday;
2156 __err |= ios_base::eofbit;
2160 template<typename _CharT, typename _InIter>
2162 time_get<_CharT, _InIter>::
2163 do_get_monthname(iter_type __beg, iter_type __end,
2164 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2166 typedef char_traits<_CharT> __traits_type;
2167 const locale& __loc = __io._M_getloc();
2168 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2169 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2170 const char_type* __months[12];
2171 __tp._M_months_abbreviated(__months);
2173 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2176 // Check to see if non-abbreviated name exists, and extract.
2177 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2178 // exact same order, first to last, such that the resulting
2179 // __months array with the same index points to a month, and that
2180 // month's abbreviated form.
2181 // NB: Also assumes that an abbreviated name is a subset of the name.
2182 if (!__err && __beg != __end)
2184 size_t __pos = __traits_type::length(__months[__tmpmon]);
2185 __tp._M_months(__months);
2186 const char_type* __name = __months[__tmpmon];
2187 if (__name[__pos] == *__beg)
2189 // Extract the rest of it.
2190 const size_t __len = __traits_type::length(__name);
2191 while (__pos < __len && __beg != __end
2192 && __name[__pos] == *__beg)
2195 __err |= ios_base::failbit;
2199 __tm->tm_mon = __tmpmon;
2202 __err |= ios_base::eofbit;
2206 template<typename _CharT, typename _InIter>
2208 time_get<_CharT, _InIter>::
2209 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2210 ios_base::iostate& __err, tm* __tm) const
2212 const locale& __loc = __io._M_getloc();
2213 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2217 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2219 const char __c = __ctype.narrow(*__beg, '*');
2220 if (__c >= '0' && __c <= '9')
2221 __value = __value * 10 + (__c - '0');
2225 if (__i == 2 || __i == 4)
2226 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2228 __err |= ios_base::failbit;
2230 __err |= ios_base::eofbit;
2234 template<typename _CharT, typename _OutIter>
2236 time_put<_CharT, _OutIter>::
2237 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2238 const _CharT* __beg, const _CharT* __end) const
2240 const locale& __loc = __io._M_getloc();
2241 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2242 for (; __beg != __end; ++__beg)
2243 if (__ctype.narrow(*__beg, 0) != '%')
2248 else if (++__beg != __end)
2252 const char __c = __ctype.narrow(*__beg, 0);
2253 if (__c != 'E' && __c != 'O')
2255 else if (++__beg != __end)
2258 __format = __ctype.narrow(*__beg, 0);
2262 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2269 template<typename _CharT, typename _OutIter>
2271 time_put<_CharT, _OutIter>::
2272 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2273 char __format, char __mod) const
2275 const locale& __loc = __io._M_getloc();
2276 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2277 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2279 // NB: This size is arbitrary. Should this be a data member,
2280 // initialized at construction?
2281 const size_t __maxlen = 128;
2283 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2285 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2286 // is possible that the format character will be longer than one
2287 // character. Possibilities include 'E' or 'O' followed by a
2288 // format character: if __mod is not the default argument, assume
2289 // it's a valid modifier.
2291 __fmt[0] = __ctype.widen('%');
2294 __fmt[1] = __format;
2295 __fmt[2] = char_type();
2300 __fmt[2] = __format;
2301 __fmt[3] = char_type();
2304 __tp._M_put(__res, __maxlen, __fmt, __tm);
2306 // Write resulting, fully-formatted string to output iterator.
2307 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2310 // Generic version does nothing.
2311 template<typename _CharT>
2313 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2316 // Generic version does nothing.
2317 template<typename _CharT>
2319 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2322 template<typename _CharT>
2325 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2326 const _CharT* __lo2, const _CharT* __hi2) const
2328 // strcoll assumes zero-terminated strings so we make a copy
2329 // and then put a zero at the end.
2330 const string_type __one(__lo1, __hi1);
2331 const string_type __two(__lo2, __hi2);
2333 const _CharT* __p = __one.c_str();
2334 const _CharT* __pend = __one.data() + __one.length();
2335 const _CharT* __q = __two.c_str();
2336 const _CharT* __qend = __two.data() + __two.length();
2338 // strcoll stops when it sees a nul character so we break
2339 // the strings into zero-terminated substrings and pass those
2343 const int __res = _M_compare(__p, __q);
2347 __p += char_traits<_CharT>::length(__p);
2348 __q += char_traits<_CharT>::length(__q);
2349 if (__p == __pend && __q == __qend)
2351 else if (__p == __pend)
2353 else if (__q == __qend)
2361 template<typename _CharT>
2362 typename collate<_CharT>::string_type
2364 do_transform(const _CharT* __lo, const _CharT* __hi) const
2366 // strxfrm assumes zero-terminated strings so we make a copy
2367 string_type __str(__lo, __hi);
2369 const _CharT* __p = __str.c_str();
2370 const _CharT* __pend = __str.data() + __str.length();
2372 size_t __len = (__hi - __lo) * 2;
2376 // strxfrm stops when it sees a nul character so we break
2377 // the string into zero-terminated substrings and pass those
2381 // First try a buffer perhaps big enough.
2383 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2384 size_t __res = _M_transform(__c, __p, __len);
2385 // If the buffer was not large enough, try again with the
2390 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2392 __res = _M_transform(__c, __p, __len);
2395 __ret.append(__c, __res);
2396 __p += char_traits<_CharT>::length(__p);
2401 __ret.push_back(_CharT());
2405 template<typename _CharT>
2408 do_hash(const _CharT* __lo, const _CharT* __hi) const
2410 unsigned long __val = 0;
2411 for (; __lo < __hi; ++__lo)
2412 __val = *__lo + ((__val << 7) |
2413 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2414 return static_cast<long>(__val);
2417 // Construct correctly padded string, as per 22.2.2.2.2
2419 // __newlen > __oldlen
2420 // __news is allocated for __newlen size
2421 // Used by both num_put and ostream inserters: if __num,
2422 // internal-adjusted objects are padded according to the rules below
2423 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2426 // NB: Of the two parameters, _CharT can be deduced from the
2427 // function arguments. The other (_Traits) has to be explicitly specified.
2428 template<typename _CharT, typename _Traits>
2430 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2431 _CharT* __news, const _CharT* __olds,
2432 const streamsize __newlen,
2433 const streamsize __oldlen, const bool __num)
2435 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2436 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2439 if (__adjust == ios_base::left)
2441 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2442 _Traits::assign(__news + __oldlen, __plen, __fill);
2447 if (__adjust == ios_base::internal && __num)
2449 // Pad after the sign, if there is one.
2450 // Pad after 0[xX], if there is one.
2451 // Who came up with these rules, anyway? Jeeze.
2452 const locale& __loc = __io._M_getloc();
2453 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2455 const bool __testsign = (__ctype.widen('-') == __olds[0]
2456 || __ctype.widen('+') == __olds[0]);
2457 const bool __testhex = (__ctype.widen('0') == __olds[0]
2459 && (__ctype.widen('x') == __olds[1]
2460 || __ctype.widen('X') == __olds[1]));
2463 __news[0] = __olds[0];
2464 __news[1] = __olds[1];
2468 else if (__testsign)
2470 __news[0] = __olds[0];
2474 // else Padding first.
2476 _Traits::assign(__news, __plen, __fill);
2477 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2482 __verify_grouping(const char* __grouping, size_t __grouping_size,
2483 const string& __grouping_tmp)
2485 const size_t __n = __grouping_tmp.size() - 1;
2486 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2490 // Parsed number groupings have to match the
2491 // numpunct::grouping string exactly, starting at the
2492 // right-most point of the parsed sequence of elements ...
2493 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2494 __test = __grouping_tmp[__i] == __grouping[__j];
2495 for (; __i && __test; --__i)
2496 __test = __grouping_tmp[__i] == __grouping[__min];
2497 // ... but the last parsed grouping can be <= numpunct
2499 __test &= __grouping_tmp[0] <= __grouping[__min];
2503 template<typename _CharT>
2505 __add_grouping(_CharT* __s, _CharT __sep,
2506 const char* __gbeg, size_t __gsize,
2507 const _CharT* __first, const _CharT* __last)
2509 if (__last - __first > *__gbeg)
2511 const bool __bump = __gsize != 1;
2512 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2513 __gsize - __bump, __first,
2515 __first = __last - *__gbeg;
2519 *__s++ = *__first++;
2520 while (__first != __last);
2524 // Inhibit implicit instantiations for required instantiations,
2525 // which are defined via explicit instantiations elsewhere.
2526 // NB: This syntax is a GNU extension.
2527 #if _GLIBCXX_EXTERN_TEMPLATE
2528 extern template class moneypunct<char, false>;
2529 extern template class moneypunct<char, true>;
2530 extern template class moneypunct_byname<char, false>;
2531 extern template class moneypunct_byname<char, true>;
2532 extern template class money_get<char>;
2533 extern template class money_put<char>;
2534 extern template class numpunct<char>;
2535 extern template class numpunct_byname<char>;
2536 extern template class num_get<char>;
2537 extern template class num_put<char>;
2538 extern template class __timepunct<char>;
2539 extern template class time_put<char>;
2540 extern template class time_put_byname<char>;
2541 extern template class time_get<char>;
2542 extern template class time_get_byname<char>;
2543 extern template class messages<char>;
2544 extern template class messages_byname<char>;
2545 extern template class ctype_byname<char>;
2546 extern template class codecvt_byname<char, char, mbstate_t>;
2547 extern template class collate<char>;
2548 extern template class collate_byname<char>;
2551 const codecvt<char, char, mbstate_t>&
2552 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2555 const collate<char>&
2556 use_facet<collate<char> >(const locale&);
2559 const numpunct<char>&
2560 use_facet<numpunct<char> >(const locale&);
2563 const num_put<char>&
2564 use_facet<num_put<char> >(const locale&);
2567 const num_get<char>&
2568 use_facet<num_get<char> >(const locale&);
2571 const moneypunct<char, true>&
2572 use_facet<moneypunct<char, true> >(const locale&);
2575 const moneypunct<char, false>&
2576 use_facet<moneypunct<char, false> >(const locale&);
2579 const money_put<char>&
2580 use_facet<money_put<char> >(const locale&);
2583 const money_get<char>&
2584 use_facet<money_get<char> >(const locale&);
2587 const __timepunct<char>&
2588 use_facet<__timepunct<char> >(const locale&);
2591 const time_put<char>&
2592 use_facet<time_put<char> >(const locale&);
2595 const time_get<char>&
2596 use_facet<time_get<char> >(const locale&);
2599 const messages<char>&
2600 use_facet<messages<char> >(const locale&);
2604 has_facet<ctype<char> >(const locale&);
2608 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2612 has_facet<collate<char> >(const locale&);
2616 has_facet<numpunct<char> >(const locale&);
2620 has_facet<num_put<char> >(const locale&);
2624 has_facet<num_get<char> >(const locale&);
2628 has_facet<moneypunct<char> >(const locale&);
2632 has_facet<money_put<char> >(const locale&);
2636 has_facet<money_get<char> >(const locale&);
2640 has_facet<__timepunct<char> >(const locale&);
2644 has_facet<time_put<char> >(const locale&);
2648 has_facet<time_get<char> >(const locale&);
2652 has_facet<messages<char> >(const locale&);
2654 #ifdef _GLIBCXX_USE_WCHAR_T
2655 extern template class moneypunct<wchar_t, false>;
2656 extern template class moneypunct<wchar_t, true>;
2657 extern template class moneypunct_byname<wchar_t, false>;
2658 extern template class moneypunct_byname<wchar_t, true>;
2659 extern template class money_get<wchar_t>;
2660 extern template class money_put<wchar_t>;
2661 extern template class numpunct<wchar_t>;
2662 extern template class numpunct_byname<wchar_t>;
2663 extern template class num_get<wchar_t>;
2664 extern template class num_put<wchar_t>;
2665 extern template class __timepunct<wchar_t>;
2666 extern template class time_put<wchar_t>;
2667 extern template class time_put_byname<wchar_t>;
2668 extern template class time_get<wchar_t>;
2669 extern template class time_get_byname<wchar_t>;
2670 extern template class messages<wchar_t>;
2671 extern template class messages_byname<wchar_t>;
2672 extern template class ctype_byname<wchar_t>;
2673 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2674 extern template class collate<wchar_t>;
2675 extern template class collate_byname<wchar_t>;
2678 const codecvt<wchar_t, char, mbstate_t>&
2679 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2682 const collate<wchar_t>&
2683 use_facet<collate<wchar_t> >(const locale&);
2686 const numpunct<wchar_t>&
2687 use_facet<numpunct<wchar_t> >(const locale&);
2690 const num_put<wchar_t>&
2691 use_facet<num_put<wchar_t> >(const locale&);
2694 const num_get<wchar_t>&
2695 use_facet<num_get<wchar_t> >(const locale&);
2698 const moneypunct<wchar_t, true>&
2699 use_facet<moneypunct<wchar_t, true> >(const locale&);
2702 const moneypunct<wchar_t, false>&
2703 use_facet<moneypunct<wchar_t, false> >(const locale&);
2706 const money_put<wchar_t>&
2707 use_facet<money_put<wchar_t> >(const locale&);
2710 const money_get<wchar_t>&
2711 use_facet<money_get<wchar_t> >(const locale&);
2714 const __timepunct<wchar_t>&
2715 use_facet<__timepunct<wchar_t> >(const locale&);
2718 const time_put<wchar_t>&
2719 use_facet<time_put<wchar_t> >(const locale&);
2722 const time_get<wchar_t>&
2723 use_facet<time_get<wchar_t> >(const locale&);
2726 const messages<wchar_t>&
2727 use_facet<messages<wchar_t> >(const locale&);
2731 has_facet<ctype<wchar_t> >(const locale&);
2735 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2739 has_facet<collate<wchar_t> >(const locale&);
2743 has_facet<numpunct<wchar_t> >(const locale&);
2747 has_facet<num_put<wchar_t> >(const locale&);
2751 has_facet<num_get<wchar_t> >(const locale&);
2755 has_facet<moneypunct<wchar_t> >(const locale&);
2759 has_facet<money_put<wchar_t> >(const locale&);
2763 has_facet<money_get<wchar_t> >(const locale&);
2767 has_facet<__timepunct<wchar_t> >(const locale&);
2771 has_facet<time_put<wchar_t> >(const locale&);
2775 has_facet<time_get<wchar_t> >(const locale&);
2779 has_facet<messages<wchar_t> >(const locale&);