1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
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 _ValueT>
444 struct __to_unsigned_type
445 { typedef _ValueT __type; };
448 struct __to_unsigned_type<long>
449 { typedef unsigned long __type; };
451 #ifdef _GLIBCXX_USE_LONG_LONG
453 struct __to_unsigned_type<long long>
454 { typedef unsigned long long __type; };
457 template<typename _CharT, typename _InIter>
458 template<typename _ValueT>
460 num_get<_CharT, _InIter>::
461 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
462 ios_base::iostate& __err, _ValueT& __v) const
464 typedef char_traits<_CharT> __traits_type;
465 typedef typename __to_unsigned_type<_ValueT>::__type __unsigned_type;
466 typedef typename numpunct<_CharT>::__cache_type __cache_type;
467 __use_cache<__cache_type> __uc;
468 const locale& __loc = __io._M_getloc();
469 const __cache_type* __lc = __uc(__loc);
470 const _CharT* __lit = __lc->_M_atoms_in;
471 char_type __c = char_type();
473 // NB: Iff __basefield == 0, __base can change based on contents.
474 const ios_base::fmtflags __basefield = __io.flags()
475 & ios_base::basefield;
476 const bool __oct = __basefield == ios_base::oct;
477 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
479 // True if __beg becomes equal to __end.
480 bool __testeof = __beg == __end;
482 // First check for sign.
483 bool __negative = false;
487 if (numeric_limits<_ValueT>::is_signed)
488 __negative = __c == __lit[__num_base::_S_iminus];
489 if ((__negative || __c == __lit[__num_base::_S_iplus])
490 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
491 && !(__c == __lc->_M_decimal_point))
493 if (++__beg != __end)
500 // Next, look for leading zeros and check required digits
502 bool __found_zero = false;
505 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
506 || __c == __lc->_M_decimal_point)
508 else if (__c == __lit[__num_base::_S_izero]
509 && (!__found_zero || __base == 10))
511 else if (__found_zero)
513 if (__c == __lit[__num_base::_S_ix]
514 || __c == __lit[__num_base::_S_iX])
516 if (__basefield == 0)
519 __found_zero = false;
525 if (__basefield == 0)
533 if (++__beg != __end)
543 // At this point, base is determined. If not hex, only allow
544 // base digits as valid input.
545 const size_t __len = (__base == 16 ? __num_base::_S_iend
546 - __num_base::_S_izero : __base);
549 string __found_grouping;
550 if (__lc->_M_use_grouping)
551 __found_grouping.reserve(32);
553 bool __overflow = false;
554 const __unsigned_type __max = __negative ?
555 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
556 const __unsigned_type __smax = __max / __base;
557 __unsigned_type __result = 0;
558 const char_type* __q;
559 const char_type* __lit_zero = __lit + __num_base::_S_izero;
562 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
563 // and decimal_point.
564 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
566 // NB: Thousands separator at the beginning of a string
567 // is a no-no, as is two consecutive thousands separators.
570 __found_grouping += static_cast<char>(__sep_pos);
575 __err |= ios_base::failbit;
579 else if (__c == __lc->_M_decimal_point)
581 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
583 int __digit = __q - __lit_zero;
586 if (__result > __smax)
591 __overflow |= __result > __max - __digit;
597 // Not a valid input item.
600 if (++__beg != __end)
606 // Digit grouping is checked. If grouping and found_grouping don't
607 // match, then get very very upset, and set failbit.
608 if (__found_grouping.size())
610 // Add the ending grouping.
611 __found_grouping += static_cast<char>(__sep_pos);
613 if (!std::__verify_grouping(__lc->_M_grouping,
614 __lc->_M_grouping_size,
616 __err |= ios_base::failbit;
619 if (!(__err & ios_base::failbit) && !__overflow
620 && (__sep_pos || __found_zero || __found_grouping.size()))
621 __v = __negative ? -__result : __result;
623 __err |= ios_base::failbit;
626 __err |= ios_base::eofbit;
630 // _GLIBCXX_RESOLVE_LIB_DEFECTS
631 // 17. Bad bool parsing
632 template<typename _CharT, typename _InIter>
634 num_get<_CharT, _InIter>::
635 do_get(iter_type __beg, iter_type __end, ios_base& __io,
636 ios_base::iostate& __err, bool& __v) const
638 if (!(__io.flags() & ios_base::boolalpha))
640 // Parse bool values as long.
641 // NB: We can't just call do_get(long) here, as it might
642 // refer to a derived class.
644 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
645 if (__l == 0 || __l == 1)
648 __err |= ios_base::failbit;
652 // Parse bool values as alphanumeric.
653 typedef typename numpunct<_CharT>::__cache_type __cache_type;
654 __use_cache<__cache_type> __uc;
655 const locale& __loc = __io._M_getloc();
656 const __cache_type* __lc = __uc(__loc);
661 bool __testeof = __beg == __end;
662 for (__n = 0; !__testeof; ++__n)
664 const char_type __c = *__beg;
667 if (__n < __lc->_M_falsename_size)
668 __testf = __c == __lc->_M_falsename[__n];
673 if (__n < __lc->_M_truename_size)
674 __testt = __c == __lc->_M_truename[__n];
678 if (!__testf && !__testt)
681 if (++__beg == __end)
684 if (__testf && __n == __lc->_M_falsename_size)
686 else if (__testt && __n == __lc->_M_truename_size)
689 __err |= ios_base::failbit;
692 __err |= ios_base::eofbit;
697 template<typename _CharT, typename _InIter>
699 num_get<_CharT, _InIter>::
700 do_get(iter_type __beg, iter_type __end, ios_base& __io,
701 ios_base::iostate& __err, long& __v) const
702 { return _M_extract_int(__beg, __end, __io, __err, __v); }
704 template<typename _CharT, typename _InIter>
706 num_get<_CharT, _InIter>::
707 do_get(iter_type __beg, iter_type __end, ios_base& __io,
708 ios_base::iostate& __err, unsigned short& __v) const
709 { return _M_extract_int(__beg, __end, __io, __err, __v); }
711 template<typename _CharT, typename _InIter>
713 num_get<_CharT, _InIter>::
714 do_get(iter_type __beg, iter_type __end, ios_base& __io,
715 ios_base::iostate& __err, unsigned int& __v) const
716 { return _M_extract_int(__beg, __end, __io, __err, __v); }
718 template<typename _CharT, typename _InIter>
720 num_get<_CharT, _InIter>::
721 do_get(iter_type __beg, iter_type __end, ios_base& __io,
722 ios_base::iostate& __err, unsigned long& __v) const
723 { return _M_extract_int(__beg, __end, __io, __err, __v); }
725 #ifdef _GLIBCXX_USE_LONG_LONG
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 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 long long& __v) const
738 { return _M_extract_int(__beg, __end, __io, __err, __v); }
741 template<typename _CharT, typename _InIter>
743 num_get<_CharT, _InIter>::
744 do_get(iter_type __beg, iter_type __end, ios_base& __io,
745 ios_base::iostate& __err, float& __v) const
749 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
750 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
754 template<typename _CharT, typename _InIter>
756 num_get<_CharT, _InIter>::
757 do_get(iter_type __beg, iter_type __end, ios_base& __io,
758 ios_base::iostate& __err, double& __v) const
762 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
763 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
767 template<typename _CharT, typename _InIter>
769 num_get<_CharT, _InIter>::
770 do_get(iter_type __beg, iter_type __end, ios_base& __io,
771 ios_base::iostate& __err, long double& __v) const
775 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
776 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
780 template<typename _CharT, typename _InIter>
782 num_get<_CharT, _InIter>::
783 do_get(iter_type __beg, iter_type __end, ios_base& __io,
784 ios_base::iostate& __err, void*& __v) const
786 // Prepare for hex formatted input.
787 typedef ios_base::fmtflags fmtflags;
788 const fmtflags __fmt = __io.flags();
789 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
792 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
794 // Reset from hex formatted input.
797 if (!(__err & ios_base::failbit))
798 __v = reinterpret_cast<void*>(__ul);
802 // For use by integer and floating-point types after they have been
803 // converted into a char_type string.
804 template<typename _CharT, typename _OutIter>
806 num_put<_CharT, _OutIter>::
807 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
808 _CharT* __new, const _CharT* __cs, int& __len) const
810 // [22.2.2.2.2] Stage 3.
811 // If necessary, pad.
812 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
814 __len = static_cast<int>(__w);
817 // Forwarding functions to peel signed from unsigned integer types.
818 template<typename _CharT>
820 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
821 ios_base::fmtflags __flags)
823 unsigned long __ul = static_cast<unsigned long>(__v);
826 return __int_to_char(__bufend, __ul, __lit, __flags, false);
829 template<typename _CharT>
831 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
832 ios_base::fmtflags __flags)
833 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
835 #ifdef _GLIBCXX_USE_LONG_LONG
836 template<typename _CharT>
838 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
839 ios_base::fmtflags __flags)
841 unsigned long long __ull = static_cast<unsigned long long>(__v);
844 return __int_to_char(__bufend, __ull, __lit, __flags, false);
847 template<typename _CharT>
849 __int_to_char(_CharT* __bufend, unsigned long long __v,
850 const _CharT* __lit, ios_base::fmtflags __flags)
851 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
854 // N.B. The last argument is currently unused (see libstdc++/20914).
855 template<typename _CharT, typename _ValueT>
857 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
858 ios_base::fmtflags __flags, bool)
860 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
861 _CharT* __buf = __bufend;
863 if (__builtin_expect(__basefield != ios_base::oct
864 && __basefield != ios_base::hex, true))
869 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
874 else if (__basefield == ios_base::oct)
879 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
887 const bool __uppercase = __flags & ios_base::uppercase;
888 const int __case_offset = __uppercase ? __num_base::_S_oudigits
889 : __num_base::_S_odigits;
892 *--__buf = __lit[(__v & 0xf) + __case_offset];
897 return __bufend - __buf;
900 template<typename _CharT, typename _OutIter>
902 num_put<_CharT, _OutIter>::
903 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
904 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
906 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
907 __grouping_size, __cs, __cs + __len);
911 template<typename _CharT, typename _OutIter>
912 template<typename _ValueT>
914 num_put<_CharT, _OutIter>::
915 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
918 typedef typename numpunct<_CharT>::__cache_type __cache_type;
919 __use_cache<__cache_type> __uc;
920 const locale& __loc = __io._M_getloc();
921 const __cache_type* __lc = __uc(__loc);
922 const _CharT* __lit = __lc->_M_atoms_out;
923 const ios_base::fmtflags __flags = __io.flags();
925 // Long enough to hold hex, dec, and octal representations.
926 const int __ilen = 5 * sizeof(_ValueT);
927 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
930 // [22.2.2.2.2] Stage 1, numeric conversion to character.
931 // Result is returned right-justified in the buffer.
932 int __len = __int_to_char(__cs + __ilen, __v, __lit, __flags);
933 __cs += __ilen - __len;
935 // Add grouping, if necessary.
936 if (__lc->_M_use_grouping)
938 // Grouping can add (almost) as many separators as the number
939 // of digits + space is reserved for numeric base or sign.
940 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
943 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
944 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
948 // Complete Stage 1, prepend numeric base or sign.
949 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
950 if (__builtin_expect(__basefield != ios_base::oct
951 && __basefield != ios_base::hex, true))
956 if (__flags & ios_base::showpos
957 && numeric_limits<_ValueT>::is_signed)
958 *--__cs = __lit[__num_base::_S_oplus], ++__len;
961 *--__cs = __lit[__num_base::_S_ominus], ++__len;
963 else if (__basefield == ios_base::oct)
966 if (__flags & ios_base::showbase && __v)
967 *--__cs = __lit[__num_base::_S_odigits], ++__len;
972 if (__flags & ios_base::showbase && __v)
975 const bool __uppercase = __flags & ios_base::uppercase;
976 *--__cs = __lit[__num_base::_S_ox + __uppercase];
978 *--__cs = __lit[__num_base::_S_odigits];
984 const streamsize __w = __io.width();
985 if (__w > static_cast<streamsize>(__len))
987 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
989 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
994 // [22.2.2.2.2] Stage 4.
995 // Write resulting, fully-formatted string to output iterator.
996 return std::__write(__s, __cs, __len);
999 template<typename _CharT, typename _OutIter>
1001 num_put<_CharT, _OutIter>::
1002 _M_group_float(const char* __grouping, size_t __grouping_size,
1003 _CharT __sep, const _CharT* __p, _CharT* __new,
1004 _CharT* __cs, int& __len) const
1006 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1007 // 282. What types does numpunct grouping refer to?
1008 // Add grouping, if necessary.
1009 const int __declen = __p ? __p - __cs : __len;
1010 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1012 __cs, __cs + __declen);
1014 // Tack on decimal part.
1015 int __newlen = __p2 - __new;
1018 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1019 __newlen += __len - __declen;
1024 // The following code uses snprintf (or sprintf(), when
1025 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1026 // for insertion into a stream. An optimization would be to replace
1027 // them with code that works directly on a wide buffer and then use
1028 // __pad to do the padding. It would be good to replace them anyway
1029 // to gain back the efficiency that C++ provides by knowing up front
1030 // the type of the values to insert. Also, sprintf is dangerous
1031 // since may lead to accidental buffer overruns. This
1032 // implementation follows the C++ standard fairly directly as
1033 // outlined in 22.2.2.2 [lib.locale.num.put]
1034 template<typename _CharT, typename _OutIter>
1035 template<typename _ValueT>
1037 num_put<_CharT, _OutIter>::
1038 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1041 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1042 __use_cache<__cache_type> __uc;
1043 const locale& __loc = __io._M_getloc();
1044 const __cache_type* __lc = __uc(__loc);
1046 // Use default precision if out of range.
1047 streamsize __prec = __io.precision();
1048 if (__prec < static_cast<streamsize>(0))
1049 __prec = static_cast<streamsize>(6);
1051 const int __max_digits = numeric_limits<_ValueT>::digits10;
1053 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1055 // Long enough for the max format spec.
1058 #ifdef _GLIBCXX_USE_C99
1059 // First try a buffer perhaps big enough (most probably sufficient
1060 // for non-ios_base::fixed outputs)
1061 int __cs_size = __max_digits * 3;
1062 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1064 __num_base::_S_format_float(__io, __fbuf, __mod);
1065 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1066 _S_get_c_locale(), __prec);
1068 // If the buffer was not large enough, try again with the correct size.
1069 if (__len >= __cs_size)
1071 __cs_size = __len + 1;
1072 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1073 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1074 _S_get_c_locale(), __prec);
1077 // Consider the possibility of long ios_base::fixed outputs
1078 const bool __fixed = __io.flags() & ios_base::fixed;
1079 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1081 // The size of the output string is computed as follows.
1082 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1083 // for the integer part + __prec chars for the fractional part
1084 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1085 // for non-fixed outputs __max_digits * 2 + __prec chars are
1086 // largely sufficient.
1087 const int __cs_size = __fixed ? __max_exp + __prec + 4
1088 : __max_digits * 2 + __prec;
1089 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1091 __num_base::_S_format_float(__io, __fbuf, __mod);
1092 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1093 _S_get_c_locale(), __prec);
1096 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1097 // numpunct.decimal_point() values for '.' and adding grouping.
1098 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1100 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1102 __ctype.widen(__cs, __cs + __len, __ws);
1104 // Replace decimal point.
1105 const _CharT __cdec = __ctype.widen('.');
1106 const _CharT __dec = __lc->_M_decimal_point;
1107 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1109 __ws[__p - __ws] = __dec;
1111 // Add grouping, if necessary.
1112 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1113 // point, scientific notation.
1114 if (__lc->_M_use_grouping
1115 && (__p || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1116 && __cs[1] >= '0' && __cs[2] >= '0')))
1118 // Grouping can add (almost) as many separators as the
1119 // number of digits, but no more.
1120 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1123 streamsize __off = 0;
1124 if (__cs[0] == '-' || __cs[0] == '+')
1131 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1132 __lc->_M_thousands_sep, __p, __ws2 + __off,
1133 __ws + __off, __len);
1140 const streamsize __w = __io.width();
1141 if (__w > static_cast<streamsize>(__len))
1143 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1145 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1150 // [22.2.2.2.2] Stage 4.
1151 // Write resulting, fully-formatted string to output iterator.
1152 return std::__write(__s, __ws, __len);
1155 template<typename _CharT, typename _OutIter>
1157 num_put<_CharT, _OutIter>::
1158 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1160 const ios_base::fmtflags __flags = __io.flags();
1161 if ((__flags & ios_base::boolalpha) == 0)
1163 const long __l = __v;
1164 __s = _M_insert_int(__s, __io, __fill, __l);
1168 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1169 __use_cache<__cache_type> __uc;
1170 const locale& __loc = __io._M_getloc();
1171 const __cache_type* __lc = __uc(__loc);
1173 const _CharT* __name = __v ? __lc->_M_truename
1174 : __lc->_M_falsename;
1175 int __len = __v ? __lc->_M_truename_size
1176 : __lc->_M_falsename_size;
1178 const streamsize __w = __io.width();
1179 if (__w > static_cast<streamsize>(__len))
1182 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1184 _M_pad(__fill, __w, __io, __cs, __name, __len);
1188 __s = std::__write(__s, __name, __len);
1193 template<typename _CharT, typename _OutIter>
1195 num_put<_CharT, _OutIter>::
1196 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1197 { return _M_insert_int(__s, __io, __fill, __v); }
1199 template<typename _CharT, typename _OutIter>
1201 num_put<_CharT, _OutIter>::
1202 do_put(iter_type __s, ios_base& __io, char_type __fill,
1203 unsigned long __v) const
1204 { return _M_insert_int(__s, __io, __fill, __v); }
1206 #ifdef _GLIBCXX_USE_LONG_LONG
1207 template<typename _CharT, typename _OutIter>
1209 num_put<_CharT, _OutIter>::
1210 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1211 { return _M_insert_int(__s, __b, __fill, __v); }
1213 template<typename _CharT, typename _OutIter>
1215 num_put<_CharT, _OutIter>::
1216 do_put(iter_type __s, ios_base& __io, char_type __fill,
1217 unsigned long long __v) const
1218 { return _M_insert_int(__s, __io, __fill, __v); }
1221 template<typename _CharT, typename _OutIter>
1223 num_put<_CharT, _OutIter>::
1224 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1225 { return _M_insert_float(__s, __io, __fill, char(), __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 long double __v) const
1232 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1234 template<typename _CharT, typename _OutIter>
1236 num_put<_CharT, _OutIter>::
1237 do_put(iter_type __s, ios_base& __io, char_type __fill,
1238 const void* __v) const
1240 const ios_base::fmtflags __flags = __io.flags();
1241 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1242 | ios_base::uppercase
1243 | ios_base::internal);
1244 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1246 __s = _M_insert_int(__s, __io, __fill,
1247 reinterpret_cast<unsigned long>(__v));
1248 __io.flags(__flags);
1252 template<typename _CharT, typename _InIter>
1253 template<bool _Intl>
1255 money_get<_CharT, _InIter>::
1256 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1257 ios_base::iostate& __err, string& __units) const
1259 typedef char_traits<_CharT> __traits_type;
1260 typedef typename string_type::size_type size_type;
1261 typedef money_base::part part;
1262 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1263 typedef typename __moneypunct_type::__cache_type __cache_type;
1265 const locale& __loc = __io._M_getloc();
1266 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1268 __use_cache<__cache_type> __uc;
1269 const __cache_type* __lc = __uc(__loc);
1270 const char_type* __lit = __lc->_M_atoms;
1273 bool __negative = false;
1275 size_type __sign_size = 0;
1276 // True if sign is mandatory.
1277 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1278 && __lc->_M_negative_sign_size);
1279 // String of grouping info from thousands_sep plucked from __units.
1280 string __grouping_tmp;
1281 if (__lc->_M_use_grouping)
1282 __grouping_tmp.reserve(32);
1283 // Last position before the decimal point.
1285 // Separator positions, then, possibly, fractional digits.
1287 // If input iterator is in a valid state.
1288 bool __testvalid = true;
1289 // Flag marking when a decimal point is found.
1290 bool __testdecfound = false;
1292 // The tentative returned string is stored here.
1296 const char_type* __lit_zero = __lit + money_base::_S_zero;
1297 const money_base::pattern __p = __lc->_M_neg_format;
1298 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1300 const part __which = static_cast<part>(__p.field[__i]);
1303 case money_base::symbol:
1304 // According to 22.2.6.1.2, p2, symbol is required
1305 // if (__io.flags() & ios_base::showbase), otherwise
1306 // is optional and consumed only if other characters
1307 // are needed to complete the format.
1308 if (__io.flags() & ios_base::showbase || __sign_size > 1
1310 || (__i == 1 && (__mandatory_sign
1311 || (static_cast<part>(__p.field[0])
1312 == money_base::sign)
1313 || (static_cast<part>(__p.field[2])
1314 == money_base::space)))
1315 || (__i == 2 && ((static_cast<part>(__p.field[3])
1316 == money_base::value)
1318 && (static_cast<part>(__p.field[3])
1319 == money_base::sign))))
1321 const size_type __len = __lc->_M_curr_symbol_size;
1323 for (; __beg != __end && __j < __len
1324 && *__beg == __lc->_M_curr_symbol[__j];
1327 && (__j || __io.flags() & ios_base::showbase))
1328 __testvalid = false;
1331 case money_base::sign:
1332 // Sign might not exist, or be more than one character long.
1333 if (__lc->_M_positive_sign_size && __beg != __end
1334 && *__beg == __lc->_M_positive_sign[0])
1336 __sign_size = __lc->_M_positive_sign_size;
1339 else if (__lc->_M_negative_sign_size && __beg != __end
1340 && *__beg == __lc->_M_negative_sign[0])
1343 __sign_size = __lc->_M_negative_sign_size;
1346 else if (__lc->_M_positive_sign_size
1347 && !__lc->_M_negative_sign_size)
1348 // "... if no sign is detected, the result is given the sign
1349 // that corresponds to the source of the empty string"
1351 else if (__mandatory_sign)
1352 __testvalid = false;
1354 case money_base::value:
1355 // Extract digits, remove and stash away the
1356 // grouping of found thousands separators.
1357 for (; __beg != __end; ++__beg)
1359 const char_type __c = *__beg;
1360 const char_type* __q = __traits_type::find(__lit_zero,
1364 __res += money_base::_S_atoms[__q - __lit];
1367 else if (__c == __lc->_M_decimal_point
1372 __testdecfound = true;
1374 else if (__lc->_M_use_grouping
1375 && __c == __lc->_M_thousands_sep
1380 // Mark position for later analysis.
1381 __grouping_tmp += static_cast<char>(__n);
1386 __testvalid = false;
1394 __testvalid = false;
1396 case money_base::space:
1397 // At least one space is required.
1398 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1401 __testvalid = false;
1402 case money_base::none:
1403 // Only if not at the end of the pattern.
1405 for (; __beg != __end
1406 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1411 // Need to get the rest of the sign characters, if they exist.
1412 if (__sign_size > 1 && __testvalid)
1414 const char_type* __sign = __negative ? __lc->_M_negative_sign
1415 : __lc->_M_positive_sign;
1417 for (; __beg != __end && __i < __sign_size
1418 && *__beg == __sign[__i]; ++__beg, ++__i);
1420 if (__i != __sign_size)
1421 __testvalid = false;
1426 // Strip leading zeros.
1427 if (__res.size() > 1)
1429 const size_type __first = __res.find_first_not_of('0');
1430 const bool __only_zeros = __first == string::npos;
1432 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1436 if (__negative && __res[0] != '0')
1437 __res.insert(__res.begin(), '-');
1439 // Test for grouping fidelity.
1440 if (__grouping_tmp.size())
1442 // Add the ending grouping.
1443 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1445 if (!std::__verify_grouping(__lc->_M_grouping,
1446 __lc->_M_grouping_size,
1448 __testvalid = false;
1451 // Iff not enough digits were supplied after the decimal-point.
1452 if (__testdecfound && __lc->_M_frac_digits > 0
1453 && __n != __lc->_M_frac_digits)
1454 __testvalid = false;
1457 // Iff valid sequence is not recognized.
1459 __err |= ios_base::failbit;
1461 __units.swap(__res);
1463 // Iff no more characters are available.
1465 __err |= ios_base::eofbit;
1469 template<typename _CharT, typename _InIter>
1471 money_get<_CharT, _InIter>::
1472 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1473 ios_base::iostate& __err, long double& __units) const
1477 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1479 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1480 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1484 template<typename _CharT, typename _InIter>
1486 money_get<_CharT, _InIter>::
1487 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1488 ios_base::iostate& __err, string_type& __units) const
1490 typedef typename string::size_type size_type;
1492 const locale& __loc = __io._M_getloc();
1493 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1496 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1498 : _M_extract<false>(__beg, __end, __io,
1500 const size_type __len = __str.size();
1503 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1505 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1506 __units.assign(__ws, __len);
1512 template<typename _CharT, typename _OutIter>
1513 template<bool _Intl>
1515 money_put<_CharT, _OutIter>::
1516 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1517 const string_type& __digits) const
1519 typedef typename string_type::size_type size_type;
1520 typedef money_base::part part;
1521 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1522 typedef typename __moneypunct_type::__cache_type __cache_type;
1524 const locale& __loc = __io._M_getloc();
1525 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1527 __use_cache<__cache_type> __uc;
1528 const __cache_type* __lc = __uc(__loc);
1529 const char_type* __lit = __lc->_M_atoms;
1531 // Determine if negative or positive formats are to be used, and
1532 // discard leading negative_sign if it is present.
1533 const char_type* __beg = __digits.data();
1535 money_base::pattern __p;
1536 const char_type* __sign;
1537 size_type __sign_size;
1538 if (*__beg != __lit[money_base::_S_minus])
1540 __p = __lc->_M_pos_format;
1541 __sign = __lc->_M_positive_sign;
1542 __sign_size = __lc->_M_positive_sign_size;
1546 __p = __lc->_M_neg_format;
1547 __sign = __lc->_M_negative_sign;
1548 __sign_size = __lc->_M_negative_sign_size;
1549 if (__digits.size())
1553 // Look for valid numbers in the ctype facet within input digits.
1554 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1555 __beg + __digits.size()) - __beg;
1558 // Assume valid input, and attempt to format.
1559 // Break down input numbers into base components, as follows:
1560 // final_value = grouped units + (decimal point) + (digits)
1561 string_type __value;
1562 __value.reserve(2 * __len);
1564 // Add thousands separators to non-decimal digits, per
1566 int __paddec = __len - __lc->_M_frac_digits;
1569 if (__lc->_M_frac_digits < 0)
1571 if (__lc->_M_grouping_size)
1574 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1577 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1579 __lc->_M_grouping_size,
1580 __beg, __beg + __paddec);
1581 __value.assign(__ws, __ws_end - __ws);
1584 __value.assign(__beg, __paddec);
1587 // Deal with decimal point, decimal digits.
1588 if (__lc->_M_frac_digits > 0)
1590 __value += __lc->_M_decimal_point;
1592 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1595 // Have to pad zeros in the decimal position.
1596 __value.append(-__paddec, __lit[money_base::_S_zero]);
1597 __value.append(__beg, __len);
1601 // Calculate length of resulting string.
1602 const ios_base::fmtflags __f = __io.flags()
1603 & ios_base::adjustfield;
1604 __len = __value.size() + __sign_size;
1605 __len += ((__io.flags() & ios_base::showbase)
1606 ? __lc->_M_curr_symbol_size : 0);
1609 __res.reserve(2 * __len);
1611 const size_type __width = static_cast<size_type>(__io.width());
1612 const bool __testipad = (__f == ios_base::internal
1613 && __len < __width);
1614 // Fit formatted digits into the required pattern.
1615 for (int __i = 0; __i < 4; ++__i)
1617 const part __which = static_cast<part>(__p.field[__i]);
1620 case money_base::symbol:
1621 if (__io.flags() & ios_base::showbase)
1622 __res.append(__lc->_M_curr_symbol,
1623 __lc->_M_curr_symbol_size);
1625 case money_base::sign:
1626 // Sign might not exist, or be more than one
1627 // charater long. In that case, add in the rest
1632 case money_base::value:
1635 case money_base::space:
1636 // At least one space is required, but if internal
1637 // formatting is required, an arbitrary number of
1638 // fill spaces will be necessary.
1640 __res.append(__width - __len, __fill);
1644 case money_base::none:
1646 __res.append(__width - __len, __fill);
1651 // Special case of multi-part sign parts.
1652 if (__sign_size > 1)
1653 __res.append(__sign + 1, __sign_size - 1);
1655 // Pad, if still necessary.
1656 __len = __res.size();
1657 if (__width > __len)
1659 if (__f == ios_base::left)
1661 __res.append(__width - __len, __fill);
1664 __res.insert(0, __width - __len, __fill);
1668 // Write resulting, fully-formatted string to output iterator.
1669 __s = std::__write(__s, __res.data(), __len);
1675 template<typename _CharT, typename _OutIter>
1677 money_put<_CharT, _OutIter>::
1678 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1679 long double __units) const
1681 const locale __loc = __io.getloc();
1682 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1683 #ifdef _GLIBCXX_USE_C99
1684 // First try a buffer perhaps big enough.
1686 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1687 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1688 // 328. Bad sprintf format modifier in money_put<>::do_put()
1689 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1690 _S_get_c_locale(), 0);
1691 // If the buffer was not large enough, try again with the correct size.
1692 if (__len >= __cs_size)
1694 __cs_size = __len + 1;
1695 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1696 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1697 _S_get_c_locale(), 0);
1700 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1701 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1702 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1703 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1704 _S_get_c_locale(), 0);
1706 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1708 __ctype.widen(__cs, __cs + __len, __ws);
1709 const string_type __digits(__ws, __len);
1710 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1711 : _M_insert<false>(__s, __io, __fill, __digits);
1714 template<typename _CharT, typename _OutIter>
1716 money_put<_CharT, _OutIter>::
1717 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1718 const string_type& __digits) const
1719 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1720 : _M_insert<false>(__s, __io, __fill, __digits); }
1723 // NB: Not especially useful. Without an ios_base object or some
1724 // kind of locale reference, we are left clawing at the air where
1725 // the side of the mountain used to be...
1726 template<typename _CharT, typename _InIter>
1727 time_base::dateorder
1728 time_get<_CharT, _InIter>::do_date_order() const
1729 { return time_base::no_order; }
1731 // Expand a strftime format string and parse it. E.g., do_get_date() may
1732 // pass %m/%d/%Y => extracted characters.
1733 template<typename _CharT, typename _InIter>
1735 time_get<_CharT, _InIter>::
1736 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1737 ios_base::iostate& __err, tm* __tm,
1738 const _CharT* __format) const
1740 const locale& __loc = __io._M_getloc();
1741 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1742 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1743 const size_t __len = char_traits<_CharT>::length(__format);
1745 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1747 if (__ctype.narrow(__format[__i], 0) == '%')
1749 // Verify valid formatting code, attempt to extract.
1750 char __c = __ctype.narrow(__format[++__i], 0);
1752 if (__c == 'E' || __c == 'O')
1753 __c = __ctype.narrow(__format[++__i], 0);
1759 // Abbreviated weekday name [tm_wday]
1760 const char_type* __days1[7];
1761 __tp._M_days_abbreviated(__days1);
1762 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1766 // Weekday name [tm_wday].
1767 const char_type* __days2[7];
1768 __tp._M_days(__days2);
1769 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1774 // Abbreviated month name [tm_mon]
1775 const char_type* __months1[12];
1776 __tp._M_months_abbreviated(__months1);
1777 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1778 __months1, 12, __io, __err);
1781 // Month name [tm_mon].
1782 const char_type* __months2[12];
1783 __tp._M_months(__months2);
1784 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1785 __months2, 12, __io, __err);
1788 // Default time and date representation.
1789 const char_type* __dt[2];
1790 __tp._M_date_time_formats(__dt);
1791 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1795 // Day [01, 31]. [tm_mday]
1796 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1800 // Day [1, 31], with single digits preceded by
1802 if (__ctype.is(ctype_base::space, *__beg))
1803 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1806 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1810 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1812 __ctype.widen(__cs, __cs + 9, __wcs);
1813 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1817 // Hour [00, 23]. [tm_hour]
1818 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1822 // Hour [01, 12]. [tm_hour]
1823 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1827 // Month [01, 12]. [tm_mon]
1828 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1831 __tm->tm_mon = __mem - 1;
1834 // Minute [00, 59]. [tm_min]
1835 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1839 if (__ctype.narrow(*__beg, 0) == '\n')
1842 __err |= ios_base::failbit;
1845 // Equivalent to (%H:%M).
1847 __ctype.widen(__cs, __cs + 6, __wcs);
1848 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1852 // Seconds. [tm_sec]
1853 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1854 #ifdef _GLIBCXX_USE_C99
1855 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1857 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1862 if (__ctype.narrow(*__beg, 0) == '\t')
1865 __err |= ios_base::failbit;
1868 // Equivalent to (%H:%M:%S).
1870 __ctype.widen(__cs, __cs + 9, __wcs);
1871 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1876 const char_type* __dates[2];
1877 __tp._M_date_formats(__dates);
1878 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1883 const char_type* __times[2];
1884 __tp._M_time_formats(__times);
1885 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1890 // Two digit year. [tm_year]
1891 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1895 // Year [1900). [tm_year]
1896 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1899 __tm->tm_year = __mem - 1900;
1903 if (__ctype.is(ctype_base::upper, *__beg))
1906 __beg = _M_extract_name(__beg, __end, __tmp,
1907 __timepunct_cache<_CharT>::_S_timezones,
1910 // GMT requires special effort.
1911 if (__beg != __end && !__err && __tmp == 0
1912 && (*__beg == __ctype.widen('-')
1913 || *__beg == __ctype.widen('+')))
1915 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1917 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1922 __err |= ios_base::failbit;
1926 __err |= ios_base::failbit;
1931 // Verify format and input match, extract and discard.
1932 if (__format[__i] == *__beg)
1935 __err |= ios_base::failbit;
1941 template<typename _CharT, typename _InIter>
1943 time_get<_CharT, _InIter>::
1944 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1945 int __min, int __max, size_t __len,
1946 ios_base& __io, ios_base::iostate& __err) const
1948 const locale& __loc = __io._M_getloc();
1949 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1951 // As-is works for __len = 1, 2, 4, the values actually used.
1952 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1957 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1959 const char __c = __ctype.narrow(*__beg, '*');
1960 if (__c >= '0' && __c <= '9')
1962 __value = __value * 10 + (__c - '0');
1963 const int __valuec = __value * __mult;
1964 if (__valuec > __max || __valuec + __mult < __min)
1974 __err |= ios_base::failbit;
1979 // All elements in __names are unique.
1980 template<typename _CharT, typename _InIter>
1982 time_get<_CharT, _InIter>::
1983 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
1984 const _CharT** __names, size_t __indexlen,
1985 ios_base& __io, ios_base::iostate& __err) const
1987 typedef char_traits<_CharT> __traits_type;
1988 const locale& __loc = __io._M_getloc();
1989 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1991 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
1993 size_t __nmatches = 0;
1995 bool __testvalid = true;
1996 const char_type* __name;
1998 // Look for initial matches.
1999 // NB: Some of the locale data is in the form of all lowercase
2000 // names, and some is in the form of initially-capitalized
2001 // names. Look for both.
2004 const char_type __c = *__beg;
2005 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2006 if (__c == __names[__i1][0]
2007 || __c == __ctype.toupper(__names[__i1][0]))
2008 __matches[__nmatches++] = __i1;
2011 while (__nmatches > 1)
2013 // Find smallest matching string.
2014 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2015 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2016 __minlen = std::min(__minlen,
2017 __traits_type::length(__names[__matches[__i2]]));
2019 if (__pos < __minlen && __beg != __end)
2020 for (size_t __i3 = 0; __i3 < __nmatches;)
2022 __name = __names[__matches[__i3]];
2023 if (__name[__pos] != *__beg)
2024 __matches[__i3] = __matches[--__nmatches];
2032 if (__nmatches == 1)
2034 // Make sure found name is completely extracted.
2036 __name = __names[__matches[0]];
2037 const size_t __len = __traits_type::length(__name);
2038 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2042 __member = __matches[0];
2044 __testvalid = false;
2047 __testvalid = false;
2049 __err |= ios_base::failbit;
2053 template<typename _CharT, typename _InIter>
2055 time_get<_CharT, _InIter>::
2056 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2057 ios_base::iostate& __err, tm* __tm) const
2059 const locale& __loc = __io._M_getloc();
2060 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2061 const char_type* __times[2];
2062 __tp._M_time_formats(__times);
2063 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2066 __err |= ios_base::eofbit;
2070 template<typename _CharT, typename _InIter>
2072 time_get<_CharT, _InIter>::
2073 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2074 ios_base::iostate& __err, tm* __tm) const
2076 const locale& __loc = __io._M_getloc();
2077 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2078 const char_type* __dates[2];
2079 __tp._M_date_formats(__dates);
2080 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2083 __err |= ios_base::eofbit;
2087 template<typename _CharT, typename _InIter>
2089 time_get<_CharT, _InIter>::
2090 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2091 ios_base::iostate& __err, tm* __tm) const
2093 typedef char_traits<_CharT> __traits_type;
2094 const locale& __loc = __io._M_getloc();
2095 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2096 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2097 const char_type* __days[7];
2098 __tp._M_days_abbreviated(__days);
2100 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2102 // Check to see if non-abbreviated name exists, and extract.
2103 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2104 // exact same order, first to last, such that the resulting
2105 // __days array with the same index points to a day, and that
2106 // day's abbreviated form.
2107 // NB: Also assumes that an abbreviated name is a subset of the name.
2108 if (!__err && __beg != __end)
2110 size_t __pos = __traits_type::length(__days[__tmpwday]);
2111 __tp._M_days(__days);
2112 const char_type* __name = __days[__tmpwday];
2113 if (__name[__pos] == *__beg)
2115 // Extract the rest of it.
2116 const size_t __len = __traits_type::length(__name);
2117 while (__pos < __len && __beg != __end
2118 && __name[__pos] == *__beg)
2121 __err |= ios_base::failbit;
2125 __tm->tm_wday = __tmpwday;
2128 __err |= ios_base::eofbit;
2132 template<typename _CharT, typename _InIter>
2134 time_get<_CharT, _InIter>::
2135 do_get_monthname(iter_type __beg, iter_type __end,
2136 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2138 typedef char_traits<_CharT> __traits_type;
2139 const locale& __loc = __io._M_getloc();
2140 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2141 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2142 const char_type* __months[12];
2143 __tp._M_months_abbreviated(__months);
2145 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2148 // Check to see if non-abbreviated name exists, and extract.
2149 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2150 // exact same order, first to last, such that the resulting
2151 // __months array with the same index points to a month, and that
2152 // month's abbreviated form.
2153 // NB: Also assumes that an abbreviated name is a subset of the name.
2154 if (!__err && __beg != __end)
2156 size_t __pos = __traits_type::length(__months[__tmpmon]);
2157 __tp._M_months(__months);
2158 const char_type* __name = __months[__tmpmon];
2159 if (__name[__pos] == *__beg)
2161 // Extract the rest of it.
2162 const size_t __len = __traits_type::length(__name);
2163 while (__pos < __len && __beg != __end
2164 && __name[__pos] == *__beg)
2167 __err |= ios_base::failbit;
2171 __tm->tm_mon = __tmpmon;
2174 __err |= ios_base::eofbit;
2178 template<typename _CharT, typename _InIter>
2180 time_get<_CharT, _InIter>::
2181 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2182 ios_base::iostate& __err, tm* __tm) const
2184 const locale& __loc = __io._M_getloc();
2185 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2189 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2191 const char __c = __ctype.narrow(*__beg, '*');
2192 if (__c >= '0' && __c <= '9')
2193 __value = __value * 10 + (__c - '0');
2197 if (__i == 2 || __i == 4)
2198 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2200 __err |= ios_base::failbit;
2202 __err |= ios_base::eofbit;
2206 template<typename _CharT, typename _OutIter>
2208 time_put<_CharT, _OutIter>::
2209 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2210 const _CharT* __beg, const _CharT* __end) const
2212 const locale& __loc = __io._M_getloc();
2213 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2214 for (; __beg != __end; ++__beg)
2215 if (__ctype.narrow(*__beg, 0) != '%')
2220 else if (++__beg != __end)
2224 const char __c = __ctype.narrow(*__beg, 0);
2225 if (__c != 'E' && __c != 'O')
2227 else if (++__beg != __end)
2230 __format = __ctype.narrow(*__beg, 0);
2234 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2241 template<typename _CharT, typename _OutIter>
2243 time_put<_CharT, _OutIter>::
2244 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2245 char __format, char __mod) const
2247 const locale& __loc = __io._M_getloc();
2248 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2249 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2251 // NB: This size is arbitrary. Should this be a data member,
2252 // initialized at construction?
2253 const size_t __maxlen = 128;
2255 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2257 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2258 // is possible that the format character will be longer than one
2259 // character. Possibilities include 'E' or 'O' followed by a
2260 // format character: if __mod is not the default argument, assume
2261 // it's a valid modifier.
2263 __fmt[0] = __ctype.widen('%');
2266 __fmt[1] = __format;
2267 __fmt[2] = char_type();
2272 __fmt[2] = __format;
2273 __fmt[3] = char_type();
2276 __tp._M_put(__res, __maxlen, __fmt, __tm);
2278 // Write resulting, fully-formatted string to output iterator.
2279 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2282 // Generic version does nothing.
2283 template<typename _CharT>
2285 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2288 // Generic version does nothing.
2289 template<typename _CharT>
2291 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2294 template<typename _CharT>
2297 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2298 const _CharT* __lo2, const _CharT* __hi2) const
2300 // strcoll assumes zero-terminated strings so we make a copy
2301 // and then put a zero at the end.
2302 const string_type __one(__lo1, __hi1);
2303 const string_type __two(__lo2, __hi2);
2305 const _CharT* __p = __one.c_str();
2306 const _CharT* __pend = __one.data() + __one.length();
2307 const _CharT* __q = __two.c_str();
2308 const _CharT* __qend = __two.data() + __two.length();
2310 // strcoll stops when it sees a nul character so we break
2311 // the strings into zero-terminated substrings and pass those
2315 const int __res = _M_compare(__p, __q);
2319 __p += char_traits<_CharT>::length(__p);
2320 __q += char_traits<_CharT>::length(__q);
2321 if (__p == __pend && __q == __qend)
2323 else if (__p == __pend)
2325 else if (__q == __qend)
2333 template<typename _CharT>
2334 typename collate<_CharT>::string_type
2336 do_transform(const _CharT* __lo, const _CharT* __hi) const
2338 // strxfrm assumes zero-terminated strings so we make a copy
2339 string_type __str(__lo, __hi);
2341 const _CharT* __p = __str.c_str();
2342 const _CharT* __pend = __str.data() + __str.length();
2344 size_t __len = (__hi - __lo) * 2;
2348 // strxfrm stops when it sees a nul character so we break
2349 // the string into zero-terminated substrings and pass those
2353 // First try a buffer perhaps big enough.
2355 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2356 size_t __res = _M_transform(__c, __p, __len);
2357 // If the buffer was not large enough, try again with the
2362 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2364 __res = _M_transform(__c, __p, __len);
2367 __ret.append(__c, __res);
2368 __p += char_traits<_CharT>::length(__p);
2373 __ret.push_back(_CharT());
2377 template<typename _CharT>
2380 do_hash(const _CharT* __lo, const _CharT* __hi) const
2382 unsigned long __val = 0;
2383 for (; __lo < __hi; ++__lo)
2384 __val = *__lo + ((__val << 7) |
2385 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2386 return static_cast<long>(__val);
2389 // Construct correctly padded string, as per 22.2.2.2.2
2391 // __newlen > __oldlen
2392 // __news is allocated for __newlen size
2393 // Used by both num_put and ostream inserters: if __num,
2394 // internal-adjusted objects are padded according to the rules below
2395 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2398 // NB: Of the two parameters, _CharT can be deduced from the
2399 // function arguments. The other (_Traits) has to be explicitly specified.
2400 template<typename _CharT, typename _Traits>
2402 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2403 _CharT* __news, const _CharT* __olds,
2404 const streamsize __newlen,
2405 const streamsize __oldlen, const bool __num)
2407 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2408 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2411 if (__adjust == ios_base::left)
2413 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2414 _Traits::assign(__news + __oldlen, __plen, __fill);
2419 if (__adjust == ios_base::internal && __num)
2421 // Pad after the sign, if there is one.
2422 // Pad after 0[xX], if there is one.
2423 // Who came up with these rules, anyway? Jeeze.
2424 const locale& __loc = __io._M_getloc();
2425 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2427 const bool __testsign = (__ctype.widen('-') == __olds[0]
2428 || __ctype.widen('+') == __olds[0]);
2429 const bool __testhex = (__ctype.widen('0') == __olds[0]
2431 && (__ctype.widen('x') == __olds[1]
2432 || __ctype.widen('X') == __olds[1]));
2435 __news[0] = __olds[0];
2436 __news[1] = __olds[1];
2440 else if (__testsign)
2442 __news[0] = __olds[0];
2446 // else Padding first.
2448 _Traits::assign(__news, __plen, __fill);
2449 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2454 __verify_grouping(const char* __grouping, size_t __grouping_size,
2455 const string& __grouping_tmp)
2457 const size_t __n = __grouping_tmp.size() - 1;
2458 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2462 // Parsed number groupings have to match the
2463 // numpunct::grouping string exactly, starting at the
2464 // right-most point of the parsed sequence of elements ...
2465 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2466 __test = __grouping_tmp[__i] == __grouping[__j];
2467 for (; __i && __test; --__i)
2468 __test = __grouping_tmp[__i] == __grouping[__min];
2469 // ... but the last parsed grouping can be <= numpunct
2471 __test &= __grouping_tmp[0] <= __grouping[__min];
2475 template<typename _CharT>
2477 __add_grouping(_CharT* __s, _CharT __sep,
2478 const char* __gbeg, size_t __gsize,
2479 const _CharT* __first, const _CharT* __last)
2481 if (__last - __first > *__gbeg)
2483 const bool __bump = __gsize != 1;
2484 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2485 __gsize - __bump, __first,
2487 __first = __last - *__gbeg;
2491 *__s++ = *__first++;
2492 while (__first != __last);
2496 // Inhibit implicit instantiations for required instantiations,
2497 // which are defined via explicit instantiations elsewhere.
2498 // NB: This syntax is a GNU extension.
2499 #if _GLIBCXX_EXTERN_TEMPLATE
2500 extern template class moneypunct<char, false>;
2501 extern template class moneypunct<char, true>;
2502 extern template class moneypunct_byname<char, false>;
2503 extern template class moneypunct_byname<char, true>;
2504 extern template class money_get<char>;
2505 extern template class money_put<char>;
2506 extern template class numpunct<char>;
2507 extern template class numpunct_byname<char>;
2508 extern template class num_get<char>;
2509 extern template class num_put<char>;
2510 extern template class __timepunct<char>;
2511 extern template class time_put<char>;
2512 extern template class time_put_byname<char>;
2513 extern template class time_get<char>;
2514 extern template class time_get_byname<char>;
2515 extern template class messages<char>;
2516 extern template class messages_byname<char>;
2517 extern template class ctype_byname<char>;
2518 extern template class codecvt_byname<char, char, mbstate_t>;
2519 extern template class collate<char>;
2520 extern template class collate_byname<char>;
2523 const codecvt<char, char, mbstate_t>&
2524 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2527 const collate<char>&
2528 use_facet<collate<char> >(const locale&);
2531 const numpunct<char>&
2532 use_facet<numpunct<char> >(const locale&);
2535 const num_put<char>&
2536 use_facet<num_put<char> >(const locale&);
2539 const num_get<char>&
2540 use_facet<num_get<char> >(const locale&);
2543 const moneypunct<char, true>&
2544 use_facet<moneypunct<char, true> >(const locale&);
2547 const moneypunct<char, false>&
2548 use_facet<moneypunct<char, false> >(const locale&);
2551 const money_put<char>&
2552 use_facet<money_put<char> >(const locale&);
2555 const money_get<char>&
2556 use_facet<money_get<char> >(const locale&);
2559 const __timepunct<char>&
2560 use_facet<__timepunct<char> >(const locale&);
2563 const time_put<char>&
2564 use_facet<time_put<char> >(const locale&);
2567 const time_get<char>&
2568 use_facet<time_get<char> >(const locale&);
2571 const messages<char>&
2572 use_facet<messages<char> >(const locale&);
2576 has_facet<ctype<char> >(const locale&);
2580 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2584 has_facet<collate<char> >(const locale&);
2588 has_facet<numpunct<char> >(const locale&);
2592 has_facet<num_put<char> >(const locale&);
2596 has_facet<num_get<char> >(const locale&);
2600 has_facet<moneypunct<char> >(const locale&);
2604 has_facet<money_put<char> >(const locale&);
2608 has_facet<money_get<char> >(const locale&);
2612 has_facet<__timepunct<char> >(const locale&);
2616 has_facet<time_put<char> >(const locale&);
2620 has_facet<time_get<char> >(const locale&);
2624 has_facet<messages<char> >(const locale&);
2626 #ifdef _GLIBCXX_USE_WCHAR_T
2627 extern template class moneypunct<wchar_t, false>;
2628 extern template class moneypunct<wchar_t, true>;
2629 extern template class moneypunct_byname<wchar_t, false>;
2630 extern template class moneypunct_byname<wchar_t, true>;
2631 extern template class money_get<wchar_t>;
2632 extern template class money_put<wchar_t>;
2633 extern template class numpunct<wchar_t>;
2634 extern template class numpunct_byname<wchar_t>;
2635 extern template class num_get<wchar_t>;
2636 extern template class num_put<wchar_t>;
2637 extern template class __timepunct<wchar_t>;
2638 extern template class time_put<wchar_t>;
2639 extern template class time_put_byname<wchar_t>;
2640 extern template class time_get<wchar_t>;
2641 extern template class time_get_byname<wchar_t>;
2642 extern template class messages<wchar_t>;
2643 extern template class messages_byname<wchar_t>;
2644 extern template class ctype_byname<wchar_t>;
2645 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2646 extern template class collate<wchar_t>;
2647 extern template class collate_byname<wchar_t>;
2650 const codecvt<wchar_t, char, mbstate_t>&
2651 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2654 const collate<wchar_t>&
2655 use_facet<collate<wchar_t> >(const locale&);
2658 const numpunct<wchar_t>&
2659 use_facet<numpunct<wchar_t> >(const locale&);
2662 const num_put<wchar_t>&
2663 use_facet<num_put<wchar_t> >(const locale&);
2666 const num_get<wchar_t>&
2667 use_facet<num_get<wchar_t> >(const locale&);
2670 const moneypunct<wchar_t, true>&
2671 use_facet<moneypunct<wchar_t, true> >(const locale&);
2674 const moneypunct<wchar_t, false>&
2675 use_facet<moneypunct<wchar_t, false> >(const locale&);
2678 const money_put<wchar_t>&
2679 use_facet<money_put<wchar_t> >(const locale&);
2682 const money_get<wchar_t>&
2683 use_facet<money_get<wchar_t> >(const locale&);
2686 const __timepunct<wchar_t>&
2687 use_facet<__timepunct<wchar_t> >(const locale&);
2690 const time_put<wchar_t>&
2691 use_facet<time_put<wchar_t> >(const locale&);
2694 const time_get<wchar_t>&
2695 use_facet<time_get<wchar_t> >(const locale&);
2698 const messages<wchar_t>&
2699 use_facet<messages<wchar_t> >(const locale&);
2703 has_facet<ctype<wchar_t> >(const locale&);
2707 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2711 has_facet<collate<wchar_t> >(const locale&);
2715 has_facet<numpunct<wchar_t> >(const locale&);
2719 has_facet<num_put<wchar_t> >(const locale&);
2723 has_facet<num_get<wchar_t> >(const locale&);
2727 has_facet<moneypunct<wchar_t> >(const locale&);
2731 has_facet<money_put<wchar_t> >(const locale&);
2735 has_facet<money_get<wchar_t> >(const locale&);
2739 has_facet<__timepunct<wchar_t> >(const locale&);
2743 has_facet<time_put<wchar_t> >(const locale&);
2747 has_facet<time_get<wchar_t> >(const locale&);
2751 has_facet<messages<wchar_t> >(const locale&);