1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
4 // Free Software Foundation, Inc.
6 // This file is part of the GNU ISO C++ Library. This library is free
7 // software; you can redistribute it and/or modify it under the
8 // terms of the GNU General Public License as published by the
9 // Free Software Foundation; either version 2, or (at your option)
12 // This library is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License along
18 // with this library; see the file COPYING. If not, write to the Free
19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
22 // As a special exception, you may use this file as part of a free software
23 // library without restriction. Specifically, if other files instantiate
24 // templates or use macros or inline functions from this file, or you compile
25 // this file and link it with other files to produce an executable, this
26 // file does not by itself cause the resulting executable to be covered by
27 // the GNU General Public License. This exception does not however
28 // invalidate any other reasons why the executable file might be covered by
29 // the GNU General Public License.
31 // Warning: this file is not meant for user inclusion. Use <locale>.
33 #ifndef _LOCALE_FACETS_TCC
34 #define _LOCALE_FACETS_TCC 1
36 #pragma GCC system_header
38 #include <limits> // For numeric_limits
39 #include <typeinfo> // For bad_cast.
40 #include <bits/streambuf_iterator.h>
44 template<typename _Facet>
46 locale::combine(const locale& __other) const
48 _Impl* __tmp = new _Impl(*_M_impl, 1);
51 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
55 __tmp->_M_remove_reference();
56 __throw_exception_again;
61 template<typename _CharT, typename _Traits, typename _Alloc>
63 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
64 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
66 typedef std::collate<_CharT> __collate_type;
67 const __collate_type& __collate = use_facet<__collate_type>(*this);
68 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
69 __s2.data(), __s2.data() + __s2.length()) < 0);
73 * @brief Test for the presence of a facet.
75 * has_facet tests the locale argument for the presence of the facet type
76 * provided as the template parameter. Facets derived from the facet
77 * parameter will also return true.
79 * @param Facet The facet type to test the presence of.
80 * @param locale The locale to test.
81 * @return true if locale contains a facet of type Facet, else false.
83 template<typename _Facet>
85 has_facet(const locale& __loc) throw()
87 const size_t __i = _Facet::id._M_id();
88 const locale::facet** __facets = __loc._M_impl->_M_facets;
89 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
93 * @brief Return a facet.
95 * use_facet looks for and returns a reference to a facet of type Facet
96 * where Facet is the template parameter. If has_facet(locale) is true,
97 * there is a suitable facet to return. It throws std::bad_cast if the
98 * locale doesn't contain a facet of type Facet.
100 * @param Facet The facet type to access.
101 * @param locale The locale to use.
102 * @return Reference to facet of type Facet.
103 * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
105 template<typename _Facet>
107 use_facet(const locale& __loc)
109 const size_t __i = _Facet::id._M_id();
110 const locale::facet** __facets = __loc._M_impl->_M_facets;
111 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
113 return static_cast<const _Facet&>(*__facets[__i]);
116 // Routine to access a cache for the facet. If the cache didn't
117 // exist before, it gets constructed on the fly.
118 template<typename _Facet>
122 operator() (const locale& __loc) const;
126 template<typename _CharT>
127 struct __use_cache<__numpunct_cache<_CharT> >
129 const __numpunct_cache<_CharT>*
130 operator() (const locale& __loc) const
132 const size_t __i = numpunct<_CharT>::id._M_id();
133 const locale::facet** __caches = __loc._M_impl->_M_caches;
136 __numpunct_cache<_CharT>* __tmp = NULL;
139 __tmp = new __numpunct_cache<_CharT>;
140 __tmp->_M_cache(__loc);
145 __throw_exception_again;
147 __loc._M_impl->_M_install_cache(__tmp, __i);
149 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
153 template<typename _CharT, bool _Intl>
154 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
156 const __moneypunct_cache<_CharT, _Intl>*
157 operator() (const locale& __loc) const
159 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
160 const locale::facet** __caches = __loc._M_impl->_M_caches;
163 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
166 __tmp = new __moneypunct_cache<_CharT, _Intl>;
167 __tmp->_M_cache(__loc);
172 __throw_exception_again;
174 __loc._M_impl->_M_install_cache(__tmp, __i);
177 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
181 template<typename _CharT>
183 __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
187 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
189 _M_grouping_size = __np.grouping().size();
190 char* __grouping = new char[_M_grouping_size];
191 __np.grouping().copy(__grouping, _M_grouping_size);
192 _M_grouping = __grouping;
193 _M_use_grouping = _M_grouping_size && __np.grouping()[0] != 0;
195 _M_truename_size = __np.truename().size();
196 _CharT* __truename = new _CharT[_M_truename_size];
197 __np.truename().copy(__truename, _M_truename_size);
198 _M_truename = __truename;
200 _M_falsename_size = __np.falsename().size();
201 _CharT* __falsename = new _CharT[_M_falsename_size];
202 __np.falsename().copy(__falsename, _M_falsename_size);
203 _M_falsename = __falsename;
205 _M_decimal_point = __np.decimal_point();
206 _M_thousands_sep = __np.thousands_sep();
208 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
209 __ct.widen(__num_base::_S_atoms_out,
210 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
211 __ct.widen(__num_base::_S_atoms_in,
212 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
215 template<typename _CharT, bool _Intl>
217 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
221 const moneypunct<_CharT, _Intl>& __mp =
222 use_facet<moneypunct<_CharT, _Intl> >(__loc);
224 _M_grouping_size = __mp.grouping().size();
225 char* __grouping = new char[_M_grouping_size];
226 __mp.grouping().copy(__grouping, _M_grouping_size);
227 _M_grouping = __grouping;
228 _M_use_grouping = _M_grouping_size && __mp.grouping()[0] != 0;
230 _M_decimal_point = __mp.decimal_point();
231 _M_thousands_sep = __mp.thousands_sep();
232 _M_frac_digits = __mp.frac_digits();
234 _M_curr_symbol_size = __mp.curr_symbol().size();
235 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
236 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
237 _M_curr_symbol = __curr_symbol;
239 _M_positive_sign_size = __mp.positive_sign().size();
240 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
241 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
242 _M_positive_sign = __positive_sign;
244 _M_negative_sign_size = __mp.negative_sign().size();
245 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
246 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
247 _M_negative_sign = __negative_sign;
249 _M_pos_format = __mp.pos_format();
250 _M_neg_format = __mp.neg_format();
252 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
253 __ct.widen(money_base::_S_atoms,
254 money_base::_S_atoms + money_base::_S_end, _M_atoms);
258 // Used by both numeric and monetary facets.
259 // Check to make sure that the __grouping_tmp string constructed in
260 // money_get or num_get matches the canonical grouping for a given
262 // __grouping_tmp is parsed L to R
263 // 1,222,444 == __grouping_tmp of "\1\3\3"
264 // __grouping is parsed R to L
265 // 1,222,444 == __grouping of "\3" == "\3\3\3"
267 __verify_grouping(const char* __grouping, size_t __grouping_size,
268 const string& __grouping_tmp);
270 template<typename _CharT, typename _InIter>
272 num_get<_CharT, _InIter>::
273 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
274 ios_base::iostate& __err, string& __xtrc) const
276 typedef char_traits<_CharT> __traits_type;
277 typedef typename numpunct<_CharT>::__cache_type __cache_type;
278 __use_cache<__cache_type> __uc;
279 const locale& __loc = __io._M_getloc();
280 const __cache_type* __lc = __uc(__loc);
281 const _CharT* __lit = __lc->_M_atoms_in;
282 char_type __c = char_type();
284 // True if __beg becomes equal to __end.
285 bool __testeof = __beg == __end;
287 // First check for sign.
291 const bool __plus = __c == __lit[__num_base::_S_iplus];
292 if ((__plus || __c == __lit[__num_base::_S_iminus])
293 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
294 && !(__c == __lc->_M_decimal_point))
296 __xtrc += __plus ? '+' : '-';
297 if (++__beg != __end)
304 // Next, look for leading zeros.
305 bool __found_mantissa = false;
308 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
309 || __c == __lc->_M_decimal_point)
311 else if (__c == __lit[__num_base::_S_izero])
313 if (!__found_mantissa)
316 __found_mantissa = true;
318 if (++__beg != __end)
327 // Only need acceptable digits for floating point numbers.
328 bool __found_dec = false;
329 bool __found_sci = false;
330 string __found_grouping;
331 if (__lc->_M_use_grouping)
332 __found_grouping.reserve(32);
334 const char_type* __q;
335 const char_type* __lit_zero = __lit + __num_base::_S_izero;
338 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
339 // and decimal_point.
340 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
342 if (!__found_dec && !__found_sci)
344 // NB: Thousands separator at the beginning of a string
345 // is a no-no, as is two consecutive thousands separators.
348 __found_grouping += static_cast<char>(__sep_pos);
353 __err |= ios_base::failbit;
360 else if (__c == __lc->_M_decimal_point)
362 if (!__found_dec && !__found_sci)
364 // If no grouping chars are seen, no grouping check
365 // is applied. Therefore __found_grouping is adjusted
366 // only if decimal_point comes after some thousands_sep.
367 if (__found_grouping.size())
368 __found_grouping += static_cast<char>(__sep_pos);
375 else if ((__q = __traits_type::find(__lit_zero, 10, __c)))
377 __xtrc += __num_base::_S_atoms_in[__q - __lit];
378 __found_mantissa = true;
381 else if ((__c == __lit[__num_base::_S_ie]
382 || __c == __lit[__num_base::_S_iE])
383 && __found_mantissa && !__found_sci)
385 // Scientific notation.
386 if (__found_grouping.size() && !__found_dec)
387 __found_grouping += static_cast<char>(__sep_pos);
391 // Remove optional plus or minus sign, if they exist.
392 if (++__beg != __end)
395 const bool __plus = __c == __lit[__num_base::_S_iplus];
396 if ((__plus || __c == __lit[__num_base::_S_iminus])
397 && !(__lc->_M_use_grouping
398 && __c == __lc->_M_thousands_sep)
399 && !(__c == __lc->_M_decimal_point))
400 __xtrc += __plus ? '+' : '-';
411 // Not a valid input item.
414 if (++__beg != __end)
420 // Digit grouping is checked. If grouping and found_grouping don't
421 // match, then get very very upset, and set failbit.
422 if (__found_grouping.size())
424 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
425 if (!__found_dec && !__found_sci)
426 __found_grouping += static_cast<char>(__sep_pos);
428 if (!std::__verify_grouping(__lc->_M_grouping,
429 __lc->_M_grouping_size,
431 __err |= ios_base::failbit;
436 __err |= ios_base::eofbit;
440 template<typename _CharT, typename _InIter>
441 template<typename _ValueT>
443 num_get<_CharT, _InIter>::
444 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
445 ios_base::iostate& __err, _ValueT& __v) const
447 typedef char_traits<_CharT> __traits_type;
448 typedef typename numpunct<_CharT>::__cache_type __cache_type;
449 __use_cache<__cache_type> __uc;
450 const locale& __loc = __io._M_getloc();
451 const __cache_type* __lc = __uc(__loc);
452 const _CharT* __lit = __lc->_M_atoms_in;
453 char_type __c = char_type();
455 // NB: Iff __basefield == 0, __base can change based on contents.
456 const ios_base::fmtflags __basefield = __io.flags()
457 & ios_base::basefield;
458 const bool __oct = __basefield == ios_base::oct;
459 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
461 // True if __beg becomes equal to __end.
462 bool __testeof = __beg == __end;
464 // First check for sign.
465 bool __negative = false;
469 if (numeric_limits<_ValueT>::is_signed)
470 __negative = __c == __lit[__num_base::_S_iminus];
471 if ((__negative || __c == __lit[__num_base::_S_iplus])
472 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
473 && !(__c == __lc->_M_decimal_point))
475 if (++__beg != __end)
482 // Next, look for leading zeros and check required digits
484 bool __found_zero = false;
487 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
488 || __c == __lc->_M_decimal_point)
490 else if (__c == __lit[__num_base::_S_izero]
491 && (!__found_zero || __base == 10))
493 else if (__found_zero)
495 if (__c == __lit[__num_base::_S_ix]
496 || __c == __lit[__num_base::_S_iX])
498 if (__basefield == 0)
501 __found_zero = false;
507 if (__basefield == 0)
515 if (++__beg != __end)
525 // At this point, base is determined. If not hex, only allow
526 // base digits as valid input.
527 const size_t __len = (__base == 16 ? __num_base::_S_iend
528 - __num_base::_S_izero : __base);
531 string __found_grouping;
532 if (__lc->_M_use_grouping)
533 __found_grouping.reserve(32);
535 bool __overflow = false;
536 _ValueT __result = 0;
537 const char_type* __q;
538 const char_type* __lit_zero = __lit + __num_base::_S_izero;
541 const _ValueT __min = numeric_limits<_ValueT>::min() / __base;
544 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
545 // and decimal_point.
546 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
548 // NB: Thousands separator at the beginning of a string
549 // is a no-no, as is two consecutive thousands separators.
552 __found_grouping += static_cast<char>(__sep_pos);
557 __err |= ios_base::failbit;
561 else if (__c == __lc->_M_decimal_point)
563 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
565 int __digit = __q - __lit_zero;
568 if (__result < __min)
572 const _ValueT __new_result = (__result * __base
574 __overflow |= __new_result > __result;
575 __result = __new_result;
580 // Not a valid input item.
583 if (++__beg != __end)
591 const _ValueT __max = numeric_limits<_ValueT>::max() / __base;
594 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
598 __found_grouping += static_cast<char>(__sep_pos);
603 __err |= ios_base::failbit;
607 else if (__c == __lc->_M_decimal_point)
609 else if ((__q = __traits_type::find(__lit_zero, __len, __c)))
611 int __digit = __q - __lit_zero;
614 if (__result > __max)
618 const _ValueT __new_result = (__result * __base
620 __overflow |= __new_result < __result;
621 __result = __new_result;
628 if (++__beg != __end)
635 // Digit grouping is checked. If grouping and found_grouping don't
636 // match, then get very very upset, and set failbit.
637 if (__found_grouping.size())
639 // Add the ending grouping.
640 __found_grouping += static_cast<char>(__sep_pos);
642 if (!std::__verify_grouping(__lc->_M_grouping,
643 __lc->_M_grouping_size,
645 __err |= ios_base::failbit;
648 if (!(__err & ios_base::failbit) && !__overflow
649 && (__sep_pos || __found_zero || __found_grouping.size()))
652 __err |= ios_base::failbit;
655 __err |= ios_base::eofbit;
659 // _GLIBCXX_RESOLVE_LIB_DEFECTS
660 // 17. Bad bool parsing
661 template<typename _CharT, typename _InIter>
663 num_get<_CharT, _InIter>::
664 do_get(iter_type __beg, iter_type __end, ios_base& __io,
665 ios_base::iostate& __err, bool& __v) const
667 if (!(__io.flags() & ios_base::boolalpha))
669 // Parse bool values as long.
670 // NB: We can't just call do_get(long) here, as it might
671 // refer to a derived class.
673 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
674 if (__l == 0 || __l == 1)
677 __err |= ios_base::failbit;
681 // Parse bool values as alphanumeric.
682 typedef typename numpunct<_CharT>::__cache_type __cache_type;
683 __use_cache<__cache_type> __uc;
684 const locale& __loc = __io._M_getloc();
685 const __cache_type* __lc = __uc(__loc);
690 bool __testeof = __beg == __end;
691 for (__n = 0; !__testeof; ++__n)
693 const char_type __c = *__beg;
696 if (__n < __lc->_M_falsename_size)
697 __testf = __c == __lc->_M_falsename[__n];
702 if (__n < __lc->_M_truename_size)
703 __testt = __c == __lc->_M_truename[__n];
707 if (!__testf && !__testt)
710 if (++__beg == __end)
713 if (__testf && __n == __lc->_M_falsename_size)
715 else if (__testt && __n == __lc->_M_truename_size)
718 __err |= ios_base::failbit;
721 __err |= ios_base::eofbit;
726 template<typename _CharT, typename _InIter>
728 num_get<_CharT, _InIter>::
729 do_get(iter_type __beg, iter_type __end, ios_base& __io,
730 ios_base::iostate& __err, long& __v) const
731 { return _M_extract_int(__beg, __end, __io, __err, __v); }
733 template<typename _CharT, typename _InIter>
735 num_get<_CharT, _InIter>::
736 do_get(iter_type __beg, iter_type __end, ios_base& __io,
737 ios_base::iostate& __err, unsigned short& __v) const
738 { return _M_extract_int(__beg, __end, __io, __err, __v); }
740 template<typename _CharT, typename _InIter>
742 num_get<_CharT, _InIter>::
743 do_get(iter_type __beg, iter_type __end, ios_base& __io,
744 ios_base::iostate& __err, unsigned int& __v) const
745 { return _M_extract_int(__beg, __end, __io, __err, __v); }
747 template<typename _CharT, typename _InIter>
749 num_get<_CharT, _InIter>::
750 do_get(iter_type __beg, iter_type __end, ios_base& __io,
751 ios_base::iostate& __err, unsigned long& __v) const
752 { return _M_extract_int(__beg, __end, __io, __err, __v); }
754 #ifdef _GLIBCXX_USE_LONG_LONG
755 template<typename _CharT, typename _InIter>
757 num_get<_CharT, _InIter>::
758 do_get(iter_type __beg, iter_type __end, ios_base& __io,
759 ios_base::iostate& __err, long long& __v) const
760 { return _M_extract_int(__beg, __end, __io, __err, __v); }
762 template<typename _CharT, typename _InIter>
764 num_get<_CharT, _InIter>::
765 do_get(iter_type __beg, iter_type __end, ios_base& __io,
766 ios_base::iostate& __err, unsigned long long& __v) const
767 { return _M_extract_int(__beg, __end, __io, __err, __v); }
770 template<typename _CharT, typename _InIter>
772 num_get<_CharT, _InIter>::
773 do_get(iter_type __beg, iter_type __end, ios_base& __io,
774 ios_base::iostate& __err, float& __v) const
778 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
779 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
783 template<typename _CharT, typename _InIter>
785 num_get<_CharT, _InIter>::
786 do_get(iter_type __beg, iter_type __end, ios_base& __io,
787 ios_base::iostate& __err, double& __v) const
791 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
792 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
796 template<typename _CharT, typename _InIter>
798 num_get<_CharT, _InIter>::
799 do_get(iter_type __beg, iter_type __end, ios_base& __io,
800 ios_base::iostate& __err, long double& __v) const
804 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
805 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
809 template<typename _CharT, typename _InIter>
811 num_get<_CharT, _InIter>::
812 do_get(iter_type __beg, iter_type __end, ios_base& __io,
813 ios_base::iostate& __err, void*& __v) const
815 // Prepare for hex formatted input.
816 typedef ios_base::fmtflags fmtflags;
817 const fmtflags __fmt = __io.flags();
818 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
821 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
823 // Reset from hex formatted input.
826 if (!(__err & ios_base::failbit))
827 __v = reinterpret_cast<void*>(__ul);
831 // For use by integer and floating-point types after they have been
832 // converted into a char_type string.
833 template<typename _CharT, typename _OutIter>
835 num_put<_CharT, _OutIter>::
836 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
837 _CharT* __new, const _CharT* __cs, int& __len) const
839 // [22.2.2.2.2] Stage 3.
840 // If necessary, pad.
841 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
843 __len = static_cast<int>(__w);
846 // Forwarding functions to peel signed from unsigned integer types.
847 template<typename _CharT>
849 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
850 ios_base::fmtflags __flags)
852 unsigned long __ul = static_cast<unsigned long>(__v);
859 return __int_to_char(__bufend, __ul, __lit, __flags, __neg);
862 template<typename _CharT>
864 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
865 ios_base::fmtflags __flags)
867 // About showpos, see Table 60 and C99 7.19.6.1, p6 (+).
868 return __int_to_char(__bufend, __v, __lit,
869 __flags & ~ios_base::showpos, false);
872 #ifdef _GLIBCXX_USE_LONG_LONG
873 template<typename _CharT>
875 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
876 ios_base::fmtflags __flags)
878 unsigned long long __ull = static_cast<unsigned long long>(__v);
885 return __int_to_char(__bufend, __ull, __lit, __flags, __neg);
888 template<typename _CharT>
890 __int_to_char(_CharT* __bufend, unsigned long long __v,
891 const _CharT* __lit, ios_base::fmtflags __flags)
892 { return __int_to_char(__bufend, __v, __lit,
893 __flags & ~ios_base::showpos, false); }
896 template<typename _CharT, typename _ValueT>
898 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
899 ios_base::fmtflags __flags, bool __neg)
901 // Don't write base if already 0.
902 const bool __showbase = (__flags & ios_base::showbase) && __v;
903 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
904 _CharT* __buf = __bufend - 1;
906 if (__builtin_expect(__basefield != ios_base::oct &&
907 __basefield != ios_base::hex, true))
912 *__buf-- = __lit[(__v % 10) + __num_base::_S_odigits];
917 *__buf-- = __lit[__num_base::_S_ominus];
918 else if (__flags & ios_base::showpos)
919 *__buf-- = __lit[__num_base::_S_oplus];
921 else if (__basefield == ios_base::oct)
926 *__buf-- = __lit[(__v & 0x7) + __num_base::_S_odigits];
931 *__buf-- = __lit[__num_base::_S_odigits];
936 const bool __uppercase = __flags & ios_base::uppercase;
937 const int __case_offset = __uppercase ? __num_base::_S_oudigits
938 : __num_base::_S_odigits;
941 *__buf-- = __lit[(__v & 0xf) + __case_offset];
948 *__buf-- = __lit[__num_base::_S_ox + __uppercase];
950 *__buf-- = __lit[__num_base::_S_odigits];
953 return __bufend - __buf - 1;
956 template<typename _CharT, typename _OutIter>
958 num_put<_CharT, _OutIter>::
959 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
960 ios_base& __io, _CharT* __new, _CharT* __cs, int& __len) const
962 // By itself __add_grouping cannot deal correctly with __cs when
963 // ios::showbase is set and ios_base::oct || ios_base::hex.
964 // Therefore we take care "by hand" of the initial 0, 0x or 0X.
965 // However, remember that the latter do not occur if the number
966 // printed is '0' (__len == 1).
967 streamsize __off = 0;
968 const ios_base::fmtflags __basefield = __io.flags()
969 & ios_base::basefield;
970 if ((__io.flags() & ios_base::showbase) && __len > 1)
971 if (__basefield == ios_base::oct)
976 else if (__basefield == ios_base::hex)
982 _CharT* __p = std::__add_grouping(__new + __off, __sep, __grouping,
983 __grouping_size, __cs + __off,
988 template<typename _CharT, typename _OutIter>
989 template<typename _ValueT>
991 num_put<_CharT, _OutIter>::
992 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
995 typedef typename numpunct<_CharT>::__cache_type __cache_type;
996 __use_cache<__cache_type> __uc;
997 const locale& __loc = __io._M_getloc();
998 const __cache_type* __lc = __uc(__loc);
999 const _CharT* __lit = __lc->_M_atoms_out;
1001 // Long enough to hold hex, dec, and octal representations.
1002 const int __ilen = 4 * sizeof(_ValueT);
1003 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1006 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1007 // Result is returned right-justified in the buffer.
1009 __len = __int_to_char(__cs + __ilen, __v, __lit, __io.flags());
1010 __cs += __ilen - __len;
1012 // Add grouping, if necessary.
1013 if (__lc->_M_use_grouping)
1015 // Grouping can add (almost) as many separators as the
1016 // number of digits, but no more.
1017 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1019 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1020 __lc->_M_thousands_sep, __io, __cs2, __cs, __len);
1025 const streamsize __w = __io.width();
1026 if (__w > static_cast<streamsize>(__len))
1028 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1030 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1035 // [22.2.2.2.2] Stage 4.
1036 // Write resulting, fully-formatted string to output iterator.
1037 return std::__write(__s, __cs, __len);
1040 template<typename _CharT, typename _OutIter>
1042 num_put<_CharT, _OutIter>::
1043 _M_group_float(const char* __grouping, size_t __grouping_size,
1044 _CharT __sep, const _CharT* __p, _CharT* __new,
1045 _CharT* __cs, int& __len) const
1047 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1048 // 282. What types does numpunct grouping refer to?
1049 // Add grouping, if necessary.
1050 const int __declen = __p ? __p - __cs : __len;
1051 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1053 __cs, __cs + __declen);
1055 // Tack on decimal part.
1056 int __newlen = __p2 - __new;
1059 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1060 __newlen += __len - __declen;
1065 // The following code uses snprintf (or sprintf(), when
1066 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1067 // for insertion into a stream. An optimization would be to replace
1068 // them with code that works directly on a wide buffer and then use
1069 // __pad to do the padding. It would be good to replace them anyway
1070 // to gain back the efficiency that C++ provides by knowing up front
1071 // the type of the values to insert. Also, sprintf is dangerous
1072 // since may lead to accidental buffer overruns. This
1073 // implementation follows the C++ standard fairly directly as
1074 // outlined in 22.2.2.2 [lib.locale.num.put]
1075 template<typename _CharT, typename _OutIter>
1076 template<typename _ValueT>
1078 num_put<_CharT, _OutIter>::
1079 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1082 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1083 __use_cache<__cache_type> __uc;
1084 const locale& __loc = __io._M_getloc();
1085 const __cache_type* __lc = __uc(__loc);
1087 // Use default precision if out of range.
1088 streamsize __prec = __io.precision();
1089 if (__prec < static_cast<streamsize>(0))
1090 __prec = static_cast<streamsize>(6);
1092 const int __max_digits = numeric_limits<_ValueT>::digits10;
1094 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1096 // Long enough for the max format spec.
1099 #ifdef _GLIBCXX_USE_C99
1100 // First try a buffer perhaps big enough (most probably sufficient
1101 // for non-ios_base::fixed outputs)
1102 int __cs_size = __max_digits * 3;
1103 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1105 __num_base::_S_format_float(__io, __fbuf, __mod);
1106 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1107 _S_get_c_locale(), __prec);
1109 // If the buffer was not large enough, try again with the correct size.
1110 if (__len >= __cs_size)
1112 __cs_size = __len + 1;
1113 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1114 __len = std::__convert_from_v(__cs, __cs_size, __fbuf, __v,
1115 _S_get_c_locale(), __prec);
1118 // Consider the possibility of long ios_base::fixed outputs
1119 const bool __fixed = __io.flags() & ios_base::fixed;
1120 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1122 // The size of the output string is computed as follows.
1123 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1124 // for the integer part + __prec chars for the fractional part
1125 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1126 // for non-fixed outputs __max_digits * 2 + __prec chars are
1127 // largely sufficient.
1128 const int __cs_size = __fixed ? __max_exp + __prec + 4
1129 : __max_digits * 2 + __prec;
1130 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1132 __num_base::_S_format_float(__io, __fbuf, __mod);
1133 __len = std::__convert_from_v(__cs, 0, __fbuf, __v,
1134 _S_get_c_locale(), __prec);
1137 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1138 // numpunct.decimal_point() values for '.' and adding grouping.
1139 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1141 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1143 __ctype.widen(__cs, __cs + __len, __ws);
1145 // Replace decimal point.
1146 const _CharT __cdec = __ctype.widen('.');
1147 const _CharT __dec = __lc->_M_decimal_point;
1148 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1150 __ws[__p - __ws] = __dec;
1152 // Add grouping, if necessary.
1153 if (__lc->_M_use_grouping)
1155 // Grouping can add (almost) as many separators as the
1156 // number of digits, but no more.
1157 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1159 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1160 __lc->_M_thousands_sep, __p, __ws2, __ws, __len);
1165 const streamsize __w = __io.width();
1166 if (__w > static_cast<streamsize>(__len))
1168 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1170 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1175 // [22.2.2.2.2] Stage 4.
1176 // Write resulting, fully-formatted string to output iterator.
1177 return std::__write(__s, __ws, __len);
1180 template<typename _CharT, typename _OutIter>
1182 num_put<_CharT, _OutIter>::
1183 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1185 const ios_base::fmtflags __flags = __io.flags();
1186 if ((__flags & ios_base::boolalpha) == 0)
1188 const long __l = __v;
1189 __s = _M_insert_int(__s, __io, __fill, __l);
1193 typedef typename numpunct<_CharT>::__cache_type __cache_type;
1194 __use_cache<__cache_type> __uc;
1195 const locale& __loc = __io._M_getloc();
1196 const __cache_type* __lc = __uc(__loc);
1198 const _CharT* __name = __v ? __lc->_M_truename
1199 : __lc->_M_falsename;
1200 int __len = __v ? __lc->_M_truename_size
1201 : __lc->_M_falsename_size;
1203 const streamsize __w = __io.width();
1204 if (__w > static_cast<streamsize>(__len))
1207 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1209 _M_pad(__fill, __w, __io, __cs, __name, __len);
1213 __s = std::__write(__s, __name, __len);
1218 template<typename _CharT, typename _OutIter>
1220 num_put<_CharT, _OutIter>::
1221 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1222 { return _M_insert_int(__s, __io, __fill, __v); }
1224 template<typename _CharT, typename _OutIter>
1226 num_put<_CharT, _OutIter>::
1227 do_put(iter_type __s, ios_base& __io, char_type __fill,
1228 unsigned long __v) const
1229 { return _M_insert_int(__s, __io, __fill, __v); }
1231 #ifdef _GLIBCXX_USE_LONG_LONG
1232 template<typename _CharT, typename _OutIter>
1234 num_put<_CharT, _OutIter>::
1235 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
1236 { return _M_insert_int(__s, __b, __fill, __v); }
1238 template<typename _CharT, typename _OutIter>
1240 num_put<_CharT, _OutIter>::
1241 do_put(iter_type __s, ios_base& __io, char_type __fill,
1242 unsigned long long __v) const
1243 { return _M_insert_int(__s, __io, __fill, __v); }
1246 template<typename _CharT, typename _OutIter>
1248 num_put<_CharT, _OutIter>::
1249 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1250 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1252 template<typename _CharT, typename _OutIter>
1254 num_put<_CharT, _OutIter>::
1255 do_put(iter_type __s, ios_base& __io, char_type __fill,
1256 long double __v) const
1257 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1259 template<typename _CharT, typename _OutIter>
1261 num_put<_CharT, _OutIter>::
1262 do_put(iter_type __s, ios_base& __io, char_type __fill,
1263 const void* __v) const
1265 const ios_base::fmtflags __flags = __io.flags();
1266 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1267 | ios_base::uppercase
1268 | ios_base::internal);
1269 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1271 __s = _M_insert_int(__s, __io, __fill,
1272 reinterpret_cast<unsigned long>(__v));
1273 __io.flags(__flags);
1277 template<typename _CharT, typename _InIter>
1278 template<bool _Intl>
1280 money_get<_CharT, _InIter>::
1281 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1282 ios_base::iostate& __err, string& __units) const
1284 typedef char_traits<_CharT> __traits_type;
1285 typedef typename string_type::size_type size_type;
1286 typedef money_base::part part;
1287 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1288 typedef typename __moneypunct_type::__cache_type __cache_type;
1290 const locale& __loc = __io._M_getloc();
1291 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1293 __use_cache<__cache_type> __uc;
1294 const __cache_type* __lc = __uc(__loc);
1295 const char_type* __lit = __lc->_M_atoms;
1298 bool __negative = false;
1300 size_type __sign_size = 0;
1301 // True if sign is mandatory.
1302 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1303 && __lc->_M_negative_sign_size);
1304 // String of grouping info from thousands_sep plucked from __units.
1305 string __grouping_tmp;
1306 if (__lc->_M_use_grouping)
1307 __grouping_tmp.reserve(32);
1308 // Last position before the decimal point.
1310 // Separator positions, then, possibly, fractional digits.
1312 // If input iterator is in a valid state.
1313 bool __testvalid = true;
1314 // Flag marking when a decimal point is found.
1315 bool __testdecfound = false;
1317 // The tentative returned string is stored here.
1321 const char_type* __lit_zero = __lit + money_base::_S_zero;
1322 const money_base::pattern __p = __lc->_M_neg_format;
1323 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1325 const part __which = static_cast<part>(__p.field[__i]);
1328 case money_base::symbol:
1329 // According to 22.2.6.1.2, p2, symbol is required
1330 // if (__io.flags() & ios_base::showbase), otherwise
1331 // is optional and consumed only if other characters
1332 // are needed to complete the format.
1333 if (__io.flags() & ios_base::showbase || __sign_size > 1
1335 || (__i == 1 && (__mandatory_sign
1336 || (static_cast<part>(__p.field[0])
1337 == money_base::sign)
1338 || (static_cast<part>(__p.field[2])
1339 == money_base::space)))
1340 || (__i == 2 && ((static_cast<part>(__p.field[3])
1341 == money_base::value)
1343 && (static_cast<part>(__p.field[3])
1344 == money_base::sign))))
1346 const size_type __len = __lc->_M_curr_symbol_size;
1348 for (; __beg != __end && __j < __len
1349 && *__beg == __lc->_M_curr_symbol[__j];
1352 && (__j || __io.flags() & ios_base::showbase))
1353 __testvalid = false;
1356 case money_base::sign:
1357 // Sign might not exist, or be more than one character long.
1358 if (__lc->_M_positive_sign_size && __beg != __end
1359 && *__beg == __lc->_M_positive_sign[0])
1361 __sign_size = __lc->_M_positive_sign_size;
1364 else if (__lc->_M_negative_sign_size && __beg != __end
1365 && *__beg == __lc->_M_negative_sign[0])
1368 __sign_size = __lc->_M_negative_sign_size;
1371 else if (__lc->_M_positive_sign_size
1372 && !__lc->_M_negative_sign_size)
1373 // "... if no sign is detected, the result is given the sign
1374 // that corresponds to the source of the empty string"
1376 else if (__mandatory_sign)
1377 __testvalid = false;
1379 case money_base::value:
1380 // Extract digits, remove and stash away the
1381 // grouping of found thousands separators.
1382 for (; __beg != __end; ++__beg)
1384 const char_type __c = *__beg;
1385 const char_type* __q = __traits_type::find(__lit_zero,
1389 __res += money_base::_S_atoms[__q - __lit];
1392 else if (__c == __lc->_M_decimal_point
1397 __testdecfound = true;
1399 else if (__lc->_M_use_grouping
1400 && __c == __lc->_M_thousands_sep
1405 // Mark position for later analysis.
1406 __grouping_tmp += static_cast<char>(__n);
1411 __testvalid = false;
1419 __testvalid = false;
1421 case money_base::space:
1422 // At least one space is required.
1423 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1426 __testvalid = false;
1427 case money_base::none:
1428 // Only if not at the end of the pattern.
1430 for (; __beg != __end
1431 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1436 // Need to get the rest of the sign characters, if they exist.
1437 if (__sign_size > 1 && __testvalid)
1439 const char_type* __sign = __negative ? __lc->_M_negative_sign
1440 : __lc->_M_positive_sign;
1442 for (; __beg != __end && __i < __sign_size
1443 && *__beg == __sign[__i]; ++__beg, ++__i);
1445 if (__i != __sign_size)
1446 __testvalid = false;
1451 // Strip leading zeros.
1452 if (__res.size() > 1)
1454 const size_type __first = __res.find_first_not_of('0');
1455 const bool __only_zeros = __first == string::npos;
1457 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1461 if (__negative && __res[0] != '0')
1462 __res.insert(__res.begin(), '-');
1464 // Test for grouping fidelity.
1465 if (__grouping_tmp.size())
1467 // Add the ending grouping.
1468 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1470 if (!std::__verify_grouping(__lc->_M_grouping,
1471 __lc->_M_grouping_size,
1473 __testvalid = false;
1476 // Iff not enough digits were supplied after the decimal-point.
1477 if (__testdecfound && __lc->_M_frac_digits > 0
1478 && __n != __lc->_M_frac_digits)
1479 __testvalid = false;
1482 // Iff valid sequence is not recognized.
1484 __err |= ios_base::failbit;
1486 __units.swap(__res);
1488 // Iff no more characters are available.
1490 __err |= ios_base::eofbit;
1494 template<typename _CharT, typename _InIter>
1496 money_get<_CharT, _InIter>::
1497 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1498 ios_base::iostate& __err, long double& __units) const
1502 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1504 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1505 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1509 template<typename _CharT, typename _InIter>
1511 money_get<_CharT, _InIter>::
1512 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1513 ios_base::iostate& __err, string_type& __units) const
1515 typedef typename string::size_type size_type;
1517 const locale& __loc = __io._M_getloc();
1518 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1521 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1523 : _M_extract<false>(__beg, __end, __io,
1525 const size_type __len = __str.size();
1528 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1530 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1531 __units.assign(__ws, __len);
1537 template<typename _CharT, typename _OutIter>
1538 template<bool _Intl>
1540 money_put<_CharT, _OutIter>::
1541 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1542 const string_type& __digits) const
1544 typedef typename string_type::size_type size_type;
1545 typedef money_base::part part;
1546 typedef moneypunct<_CharT, _Intl> __moneypunct_type;
1547 typedef typename __moneypunct_type::__cache_type __cache_type;
1549 const locale& __loc = __io._M_getloc();
1550 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1552 __use_cache<__cache_type> __uc;
1553 const __cache_type* __lc = __uc(__loc);
1554 const char_type* __lit = __lc->_M_atoms;
1556 // Determine if negative or positive formats are to be used, and
1557 // discard leading negative_sign if it is present.
1558 const char_type* __beg = __digits.data();
1560 money_base::pattern __p;
1561 const char_type* __sign;
1562 size_type __sign_size;
1563 if (*__beg != __lit[money_base::_S_minus])
1565 __p = __lc->_M_pos_format;
1566 __sign = __lc->_M_positive_sign;
1567 __sign_size = __lc->_M_positive_sign_size;
1571 __p = __lc->_M_neg_format;
1572 __sign = __lc->_M_negative_sign;
1573 __sign_size = __lc->_M_negative_sign_size;
1574 if (__digits.size())
1578 // Look for valid numbers in the ctype facet within input digits.
1579 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1580 __beg + __digits.size()) - __beg;
1583 // Assume valid input, and attempt to format.
1584 // Break down input numbers into base components, as follows:
1585 // final_value = grouped units + (decimal point) + (digits)
1586 string_type __value;
1587 __value.reserve(2 * __len);
1589 // Add thousands separators to non-decimal digits, per
1591 int __paddec = __len - __lc->_M_frac_digits;
1594 if (__lc->_M_frac_digits < 0)
1596 if (__lc->_M_grouping_size)
1599 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1602 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1604 __lc->_M_grouping_size,
1605 __beg, __beg + __paddec);
1606 __value.assign(__ws, __ws_end - __ws);
1609 __value.assign(__beg, __paddec);
1612 // Deal with decimal point, decimal digits.
1613 if (__lc->_M_frac_digits > 0)
1615 __value += __lc->_M_decimal_point;
1617 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1620 // Have to pad zeros in the decimal position.
1621 __value.append(-__paddec, __lit[money_base::_S_zero]);
1622 __value.append(__beg, __len);
1626 // Calculate length of resulting string.
1627 const ios_base::fmtflags __f = __io.flags()
1628 & ios_base::adjustfield;
1629 __len = __value.size() + __sign_size;
1630 __len += ((__io.flags() & ios_base::showbase)
1631 ? __lc->_M_curr_symbol_size : 0);
1634 __res.reserve(2 * __len);
1636 const size_type __width = static_cast<size_type>(__io.width());
1637 const bool __testipad = (__f == ios_base::internal
1638 && __len < __width);
1639 // Fit formatted digits into the required pattern.
1640 for (int __i = 0; __i < 4; ++__i)
1642 const part __which = static_cast<part>(__p.field[__i]);
1645 case money_base::symbol:
1646 if (__io.flags() & ios_base::showbase)
1647 __res.append(__lc->_M_curr_symbol,
1648 __lc->_M_curr_symbol_size);
1650 case money_base::sign:
1651 // Sign might not exist, or be more than one
1652 // charater long. In that case, add in the rest
1657 case money_base::value:
1660 case money_base::space:
1661 // At least one space is required, but if internal
1662 // formatting is required, an arbitrary number of
1663 // fill spaces will be necessary.
1665 __res.append(__width - __len, __fill);
1669 case money_base::none:
1671 __res.append(__width - __len, __fill);
1676 // Special case of multi-part sign parts.
1677 if (__sign_size > 1)
1678 __res.append(__sign + 1, __sign_size - 1);
1680 // Pad, if still necessary.
1681 __len = __res.size();
1682 if (__width > __len)
1684 if (__f == ios_base::left)
1686 __res.append(__width - __len, __fill);
1689 __res.insert(0, __width - __len, __fill);
1693 // Write resulting, fully-formatted string to output iterator.
1694 __s = std::__write(__s, __res.data(), __len);
1700 template<typename _CharT, typename _OutIter>
1702 money_put<_CharT, _OutIter>::
1703 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1704 long double __units) const
1706 const locale __loc = __io.getloc();
1707 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1708 #ifdef _GLIBCXX_USE_C99
1709 // First try a buffer perhaps big enough.
1711 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1712 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1713 // 328. Bad sprintf format modifier in money_put<>::do_put()
1714 int __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1715 _S_get_c_locale(), 0);
1716 // If the buffer was not large enough, try again with the correct size.
1717 if (__len >= __cs_size)
1719 __cs_size = __len + 1;
1720 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1721 __len = std::__convert_from_v(__cs, __cs_size, "%.*Lf", __units,
1722 _S_get_c_locale(), 0);
1725 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1726 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1727 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1728 int __len = std::__convert_from_v(__cs, 0, "%.*Lf", __units,
1729 _S_get_c_locale(), 0);
1731 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1733 __ctype.widen(__cs, __cs + __len, __ws);
1734 const string_type __digits(__ws, __len);
1735 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1736 : _M_insert<false>(__s, __io, __fill, __digits);
1739 template<typename _CharT, typename _OutIter>
1741 money_put<_CharT, _OutIter>::
1742 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1743 const string_type& __digits) const
1744 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1745 : _M_insert<false>(__s, __io, __fill, __digits); }
1748 // NB: Not especially useful. Without an ios_base object or some
1749 // kind of locale reference, we are left clawing at the air where
1750 // the side of the mountain used to be...
1751 template<typename _CharT, typename _InIter>
1752 time_base::dateorder
1753 time_get<_CharT, _InIter>::do_date_order() const
1754 { return time_base::no_order; }
1756 // Expand a strftime format string and parse it. E.g., do_get_date() may
1757 // pass %m/%d/%Y => extracted characters.
1758 template<typename _CharT, typename _InIter>
1760 time_get<_CharT, _InIter>::
1761 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1762 ios_base::iostate& __err, tm* __tm,
1763 const _CharT* __format) const
1765 const locale& __loc = __io._M_getloc();
1766 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1767 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1768 const size_t __len = char_traits<_CharT>::length(__format);
1770 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1772 if (__ctype.narrow(__format[__i], 0) == '%')
1774 // Verify valid formatting code, attempt to extract.
1775 char __c = __ctype.narrow(__format[++__i], 0);
1777 if (__c == 'E' || __c == 'O')
1778 __c = __ctype.narrow(__format[++__i], 0);
1784 // Abbreviated weekday name [tm_wday]
1785 const char_type* __days1[7];
1786 __tp._M_days_abbreviated(__days1);
1787 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1791 // Weekday name [tm_wday].
1792 const char_type* __days2[7];
1793 __tp._M_days(__days2);
1794 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1799 // Abbreviated month name [tm_mon]
1800 const char_type* __months1[12];
1801 __tp._M_months_abbreviated(__months1);
1802 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1803 __months1, 12, __io, __err);
1806 // Month name [tm_mon].
1807 const char_type* __months2[12];
1808 __tp._M_months(__months2);
1809 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1810 __months2, 12, __io, __err);
1813 // Default time and date representation.
1814 const char_type* __dt[2];
1815 __tp._M_date_time_formats(__dt);
1816 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1820 // Day [01, 31]. [tm_mday]
1821 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1825 // Day [1, 31], with single digits preceded by
1827 if (__ctype.is(ctype_base::space, *__beg))
1828 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1831 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1835 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1837 __ctype.widen(__cs, __cs + 9, __wcs);
1838 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1842 // Hour [00, 23]. [tm_hour]
1843 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1847 // Hour [01, 12]. [tm_hour]
1848 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1852 // Month [01, 12]. [tm_mon]
1853 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1856 __tm->tm_mon = __mem - 1;
1859 // Minute [00, 59]. [tm_min]
1860 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1864 if (__ctype.narrow(*__beg, 0) == '\n')
1867 __err |= ios_base::failbit;
1870 // Equivalent to (%H:%M).
1872 __ctype.widen(__cs, __cs + 6, __wcs);
1873 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1877 // Seconds. [tm_sec]
1878 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1879 #ifdef _GLIBCXX_USE_C99
1880 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1882 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1887 if (__ctype.narrow(*__beg, 0) == '\t')
1890 __err |= ios_base::failbit;
1893 // Equivalent to (%H:%M:%S).
1895 __ctype.widen(__cs, __cs + 9, __wcs);
1896 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1901 const char_type* __dates[2];
1902 __tp._M_date_formats(__dates);
1903 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1908 const char_type* __times[2];
1909 __tp._M_time_formats(__times);
1910 __beg = _M_extract_via_format(__beg, __end, __io, __err,
1915 // Two digit year. [tm_year]
1916 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1920 // Year [1900). [tm_year]
1921 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1924 __tm->tm_year = __mem - 1900;
1928 if (__ctype.is(ctype_base::upper, *__beg))
1931 __beg = _M_extract_name(__beg, __end, __tmp,
1932 __timepunct_cache<_CharT>::_S_timezones,
1935 // GMT requires special effort.
1936 if (__beg != __end && !__err && __tmp == 0
1937 && (*__beg == __ctype.widen('-')
1938 || *__beg == __ctype.widen('+')))
1940 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1942 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1947 __err |= ios_base::failbit;
1951 __err |= ios_base::failbit;
1956 // Verify format and input match, extract and discard.
1957 if (__format[__i] == *__beg)
1960 __err |= ios_base::failbit;
1966 template<typename _CharT, typename _InIter>
1968 time_get<_CharT, _InIter>::
1969 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
1970 int __min, int __max, size_t __len,
1971 ios_base& __io, ios_base::iostate& __err) const
1973 const locale& __loc = __io._M_getloc();
1974 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1976 // As-is works for __len = 1, 2, 4, the values actually used.
1977 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
1982 for (; __beg != __end && __i < __len; ++__beg, ++__i)
1984 const char __c = __ctype.narrow(*__beg, '*');
1985 if (__c >= '0' && __c <= '9')
1987 __value = __value * 10 + (__c - '0');
1988 const int __valuec = __value * __mult;
1989 if (__valuec > __max || __valuec + __mult < __min)
1999 __err |= ios_base::failbit;
2004 // All elements in __names are unique.
2005 template<typename _CharT, typename _InIter>
2007 time_get<_CharT, _InIter>::
2008 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2009 const _CharT** __names, size_t __indexlen,
2010 ios_base& __io, ios_base::iostate& __err) const
2012 typedef char_traits<_CharT> __traits_type;
2013 const locale& __loc = __io._M_getloc();
2014 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2016 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2018 size_t __nmatches = 0;
2020 bool __testvalid = true;
2021 const char_type* __name;
2023 // Look for initial matches.
2024 // NB: Some of the locale data is in the form of all lowercase
2025 // names, and some is in the form of initially-capitalized
2026 // names. Look for both.
2029 const char_type __c = *__beg;
2030 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2031 if (__c == __names[__i1][0]
2032 || __c == __ctype.toupper(__names[__i1][0]))
2033 __matches[__nmatches++] = __i1;
2036 while (__nmatches > 1)
2038 // Find smallest matching string.
2039 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2040 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2041 __minlen = std::min(__minlen,
2042 __traits_type::length(__names[__matches[__i2]]));
2044 if (__pos < __minlen && __beg != __end)
2045 for (size_t __i3 = 0; __i3 < __nmatches;)
2047 __name = __names[__matches[__i3]];
2048 if (__name[__pos] != *__beg)
2049 __matches[__i3] = __matches[--__nmatches];
2057 if (__nmatches == 1)
2059 // Make sure found name is completely extracted.
2061 __name = __names[__matches[0]];
2062 const size_t __len = __traits_type::length(__name);
2063 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2067 __member = __matches[0];
2069 __testvalid = false;
2072 __testvalid = false;
2074 __err |= ios_base::failbit;
2078 template<typename _CharT, typename _InIter>
2080 time_get<_CharT, _InIter>::
2081 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2082 ios_base::iostate& __err, tm* __tm) const
2084 const locale& __loc = __io._M_getloc();
2085 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2086 const char_type* __times[2];
2087 __tp._M_time_formats(__times);
2088 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2091 __err |= ios_base::eofbit;
2095 template<typename _CharT, typename _InIter>
2097 time_get<_CharT, _InIter>::
2098 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2099 ios_base::iostate& __err, tm* __tm) const
2101 const locale& __loc = __io._M_getloc();
2102 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2103 const char_type* __dates[2];
2104 __tp._M_date_formats(__dates);
2105 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2108 __err |= ios_base::eofbit;
2112 template<typename _CharT, typename _InIter>
2114 time_get<_CharT, _InIter>::
2115 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2116 ios_base::iostate& __err, tm* __tm) const
2118 typedef char_traits<_CharT> __traits_type;
2119 const locale& __loc = __io._M_getloc();
2120 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2121 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2122 const char_type* __days[7];
2123 __tp._M_days_abbreviated(__days);
2125 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7, __io, __err);
2127 // Check to see if non-abbreviated name exists, and extract.
2128 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2129 // exact same order, first to last, such that the resulting
2130 // __days array with the same index points to a day, and that
2131 // day's abbreviated form.
2132 // NB: Also assumes that an abbreviated name is a subset of the name.
2133 if (!__err && __beg != __end)
2135 size_t __pos = __traits_type::length(__days[__tmpwday]);
2136 __tp._M_days(__days);
2137 const char_type* __name = __days[__tmpwday];
2138 if (__name[__pos] == *__beg)
2140 // Extract the rest of it.
2141 const size_t __len = __traits_type::length(__name);
2142 while (__pos < __len && __beg != __end
2143 && __name[__pos] == *__beg)
2146 __err |= ios_base::failbit;
2150 __tm->tm_wday = __tmpwday;
2153 __err |= ios_base::eofbit;
2157 template<typename _CharT, typename _InIter>
2159 time_get<_CharT, _InIter>::
2160 do_get_monthname(iter_type __beg, iter_type __end,
2161 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2163 typedef char_traits<_CharT> __traits_type;
2164 const locale& __loc = __io._M_getloc();
2165 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2166 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2167 const char_type* __months[12];
2168 __tp._M_months_abbreviated(__months);
2170 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2173 // Check to see if non-abbreviated name exists, and extract.
2174 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2175 // exact same order, first to last, such that the resulting
2176 // __months array with the same index points to a month, and that
2177 // month's abbreviated form.
2178 // NB: Also assumes that an abbreviated name is a subset of the name.
2179 if (!__err && __beg != __end)
2181 size_t __pos = __traits_type::length(__months[__tmpmon]);
2182 __tp._M_months(__months);
2183 const char_type* __name = __months[__tmpmon];
2184 if (__name[__pos] == *__beg)
2186 // Extract the rest of it.
2187 const size_t __len = __traits_type::length(__name);
2188 while (__pos < __len && __beg != __end
2189 && __name[__pos] == *__beg)
2192 __err |= ios_base::failbit;
2196 __tm->tm_mon = __tmpmon;
2199 __err |= ios_base::eofbit;
2203 template<typename _CharT, typename _InIter>
2205 time_get<_CharT, _InIter>::
2206 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2207 ios_base::iostate& __err, tm* __tm) const
2209 const locale& __loc = __io._M_getloc();
2210 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2214 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2216 const char __c = __ctype.narrow(*__beg, '*');
2217 if (__c >= '0' && __c <= '9')
2218 __value = __value * 10 + (__c - '0');
2222 if (__i == 2 || __i == 4)
2223 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2225 __err |= ios_base::failbit;
2227 __err |= ios_base::eofbit;
2231 template<typename _CharT, typename _OutIter>
2233 time_put<_CharT, _OutIter>::
2234 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2235 const _CharT* __beg, const _CharT* __end) const
2237 const locale& __loc = __io._M_getloc();
2238 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2239 for (; __beg != __end; ++__beg)
2240 if (__ctype.narrow(*__beg, 0) != '%')
2245 else if (++__beg != __end)
2249 const char __c = __ctype.narrow(*__beg, 0);
2250 if (__c != 'E' && __c != 'O')
2252 else if (++__beg != __end)
2255 __format = __ctype.narrow(*__beg, 0);
2259 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2266 template<typename _CharT, typename _OutIter>
2268 time_put<_CharT, _OutIter>::
2269 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2270 char __format, char __mod) const
2272 const locale& __loc = __io._M_getloc();
2273 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2274 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2276 // NB: This size is arbitrary. Should this be a data member,
2277 // initialized at construction?
2278 const size_t __maxlen = 128;
2280 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2282 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2283 // is possible that the format character will be longer than one
2284 // character. Possibilities include 'E' or 'O' followed by a
2285 // format character: if __mod is not the default argument, assume
2286 // it's a valid modifier.
2288 __fmt[0] = __ctype.widen('%');
2291 __fmt[1] = __format;
2292 __fmt[2] = char_type();
2297 __fmt[2] = __format;
2298 __fmt[3] = char_type();
2301 __tp._M_put(__res, __maxlen, __fmt, __tm);
2303 // Write resulting, fully-formatted string to output iterator.
2304 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2307 // Generic version does nothing.
2308 template<typename _CharT>
2310 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2313 // Generic version does nothing.
2314 template<typename _CharT>
2316 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2319 template<typename _CharT>
2322 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2323 const _CharT* __lo2, const _CharT* __hi2) const
2325 // strcoll assumes zero-terminated strings so we make a copy
2326 // and then put a zero at the end.
2327 const string_type __one(__lo1, __hi1);
2328 const string_type __two(__lo2, __hi2);
2330 const _CharT* __p = __one.c_str();
2331 const _CharT* __pend = __one.data() + __one.length();
2332 const _CharT* __q = __two.c_str();
2333 const _CharT* __qend = __two.data() + __two.length();
2335 // strcoll stops when it sees a nul character so we break
2336 // the strings into zero-terminated substrings and pass those
2340 const int __res = _M_compare(__p, __q);
2344 __p += char_traits<_CharT>::length(__p);
2345 __q += char_traits<_CharT>::length(__q);
2346 if (__p == __pend && __q == __qend)
2348 else if (__p == __pend)
2350 else if (__q == __qend)
2358 template<typename _CharT>
2359 typename collate<_CharT>::string_type
2361 do_transform(const _CharT* __lo, const _CharT* __hi) const
2363 // strxfrm assumes zero-terminated strings so we make a copy
2364 string_type __str(__lo, __hi);
2366 const _CharT* __p = __str.c_str();
2367 const _CharT* __pend = __str.data() + __str.length();
2369 size_t __len = (__hi - __lo) * 2;
2373 // strxfrm stops when it sees a nul character so we break
2374 // the string into zero-terminated substrings and pass those
2378 // First try a buffer perhaps big enough.
2380 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2381 size_t __res = _M_transform(__c, __p, __len);
2382 // If the buffer was not large enough, try again with the
2387 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2389 __res = _M_transform(__c, __p, __len);
2392 __ret.append(__c, __res);
2393 __p += char_traits<_CharT>::length(__p);
2398 __ret.push_back(_CharT());
2402 template<typename _CharT>
2405 do_hash(const _CharT* __lo, const _CharT* __hi) const
2407 unsigned long __val = 0;
2408 for (; __lo < __hi; ++__lo)
2409 __val = *__lo + ((__val << 7) |
2410 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2411 return static_cast<long>(__val);
2414 // Construct correctly padded string, as per 22.2.2.2.2
2416 // __newlen > __oldlen
2417 // __news is allocated for __newlen size
2418 // Used by both num_put and ostream inserters: if __num,
2419 // internal-adjusted objects are padded according to the rules below
2420 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2423 // NB: Of the two parameters, _CharT can be deduced from the
2424 // function arguments. The other (_Traits) has to be explicitly specified.
2425 template<typename _CharT, typename _Traits>
2427 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2428 _CharT* __news, const _CharT* __olds,
2429 const streamsize __newlen,
2430 const streamsize __oldlen, const bool __num)
2432 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2433 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2436 if (__adjust == ios_base::left)
2438 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2439 _Traits::assign(__news + __oldlen, __plen, __fill);
2444 if (__adjust == ios_base::internal && __num)
2446 // Pad after the sign, if there is one.
2447 // Pad after 0[xX], if there is one.
2448 // Who came up with these rules, anyway? Jeeze.
2449 const locale& __loc = __io._M_getloc();
2450 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2452 const bool __testsign = (__ctype.widen('-') == __olds[0]
2453 || __ctype.widen('+') == __olds[0]);
2454 const bool __testhex = (__ctype.widen('0') == __olds[0]
2456 && (__ctype.widen('x') == __olds[1]
2457 || __ctype.widen('X') == __olds[1]));
2460 __news[0] = __olds[0];
2461 __news[1] = __olds[1];
2465 else if (__testsign)
2467 __news[0] = __olds[0];
2471 // else Padding first.
2473 _Traits::assign(__news, __plen, __fill);
2474 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2479 __verify_grouping(const char* __grouping, size_t __grouping_size,
2480 const string& __grouping_tmp)
2482 const size_t __n = __grouping_tmp.size() - 1;
2483 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2487 // Parsed number groupings have to match the
2488 // numpunct::grouping string exactly, starting at the
2489 // right-most point of the parsed sequence of elements ...
2490 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2491 __test = __grouping_tmp[__i] == __grouping[__j];
2492 for (; __i && __test; --__i)
2493 __test = __grouping_tmp[__i] == __grouping[__min];
2494 // ... but the last parsed grouping can be <= numpunct
2496 __test &= __grouping_tmp[0] <= __grouping[__min];
2500 template<typename _CharT>
2502 __add_grouping(_CharT* __s, _CharT __sep,
2503 const char* __gbeg, size_t __gsize,
2504 const _CharT* __first, const _CharT* __last)
2506 if (__last - __first > *__gbeg)
2508 const bool __bump = __gsize != 1;
2509 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2510 __gsize - __bump, __first,
2512 __first = __last - *__gbeg;
2516 *__s++ = *__first++;
2517 while (__first != __last);
2521 // Inhibit implicit instantiations for required instantiations,
2522 // which are defined via explicit instantiations elsewhere.
2523 // NB: This syntax is a GNU extension.
2524 #if _GLIBCXX_EXTERN_TEMPLATE
2525 extern template class moneypunct<char, false>;
2526 extern template class moneypunct<char, true>;
2527 extern template class moneypunct_byname<char, false>;
2528 extern template class moneypunct_byname<char, true>;
2529 extern template class money_get<char>;
2530 extern template class money_put<char>;
2531 extern template class numpunct<char>;
2532 extern template class numpunct_byname<char>;
2533 extern template class num_get<char>;
2534 extern template class num_put<char>;
2535 extern template class __timepunct<char>;
2536 extern template class time_put<char>;
2537 extern template class time_put_byname<char>;
2538 extern template class time_get<char>;
2539 extern template class time_get_byname<char>;
2540 extern template class messages<char>;
2541 extern template class messages_byname<char>;
2542 extern template class ctype_byname<char>;
2543 extern template class codecvt_byname<char, char, mbstate_t>;
2544 extern template class collate<char>;
2545 extern template class collate_byname<char>;
2548 const codecvt<char, char, mbstate_t>&
2549 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2552 const collate<char>&
2553 use_facet<collate<char> >(const locale&);
2556 const numpunct<char>&
2557 use_facet<numpunct<char> >(const locale&);
2560 const num_put<char>&
2561 use_facet<num_put<char> >(const locale&);
2564 const num_get<char>&
2565 use_facet<num_get<char> >(const locale&);
2568 const moneypunct<char, true>&
2569 use_facet<moneypunct<char, true> >(const locale&);
2572 const moneypunct<char, false>&
2573 use_facet<moneypunct<char, false> >(const locale&);
2576 const money_put<char>&
2577 use_facet<money_put<char> >(const locale&);
2580 const money_get<char>&
2581 use_facet<money_get<char> >(const locale&);
2584 const __timepunct<char>&
2585 use_facet<__timepunct<char> >(const locale&);
2588 const time_put<char>&
2589 use_facet<time_put<char> >(const locale&);
2592 const time_get<char>&
2593 use_facet<time_get<char> >(const locale&);
2596 const messages<char>&
2597 use_facet<messages<char> >(const locale&);
2601 has_facet<ctype<char> >(const locale&);
2605 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2609 has_facet<collate<char> >(const locale&);
2613 has_facet<numpunct<char> >(const locale&);
2617 has_facet<num_put<char> >(const locale&);
2621 has_facet<num_get<char> >(const locale&);
2625 has_facet<moneypunct<char> >(const locale&);
2629 has_facet<money_put<char> >(const locale&);
2633 has_facet<money_get<char> >(const locale&);
2637 has_facet<__timepunct<char> >(const locale&);
2641 has_facet<time_put<char> >(const locale&);
2645 has_facet<time_get<char> >(const locale&);
2649 has_facet<messages<char> >(const locale&);
2651 #ifdef _GLIBCXX_USE_WCHAR_T
2652 extern template class moneypunct<wchar_t, false>;
2653 extern template class moneypunct<wchar_t, true>;
2654 extern template class moneypunct_byname<wchar_t, false>;
2655 extern template class moneypunct_byname<wchar_t, true>;
2656 extern template class money_get<wchar_t>;
2657 extern template class money_put<wchar_t>;
2658 extern template class numpunct<wchar_t>;
2659 extern template class numpunct_byname<wchar_t>;
2660 extern template class num_get<wchar_t>;
2661 extern template class num_put<wchar_t>;
2662 extern template class __timepunct<wchar_t>;
2663 extern template class time_put<wchar_t>;
2664 extern template class time_put_byname<wchar_t>;
2665 extern template class time_get<wchar_t>;
2666 extern template class time_get_byname<wchar_t>;
2667 extern template class messages<wchar_t>;
2668 extern template class messages_byname<wchar_t>;
2669 extern template class ctype_byname<wchar_t>;
2670 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2671 extern template class collate<wchar_t>;
2672 extern template class collate_byname<wchar_t>;
2675 const codecvt<wchar_t, char, mbstate_t>&
2676 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2679 const collate<wchar_t>&
2680 use_facet<collate<wchar_t> >(const locale&);
2683 const numpunct<wchar_t>&
2684 use_facet<numpunct<wchar_t> >(const locale&);
2687 const num_put<wchar_t>&
2688 use_facet<num_put<wchar_t> >(const locale&);
2691 const num_get<wchar_t>&
2692 use_facet<num_get<wchar_t> >(const locale&);
2695 const moneypunct<wchar_t, true>&
2696 use_facet<moneypunct<wchar_t, true> >(const locale&);
2699 const moneypunct<wchar_t, false>&
2700 use_facet<moneypunct<wchar_t, false> >(const locale&);
2703 const money_put<wchar_t>&
2704 use_facet<money_put<wchar_t> >(const locale&);
2707 const money_get<wchar_t>&
2708 use_facet<money_get<wchar_t> >(const locale&);
2711 const __timepunct<wchar_t>&
2712 use_facet<__timepunct<wchar_t> >(const locale&);
2715 const time_put<wchar_t>&
2716 use_facet<time_put<wchar_t> >(const locale&);
2719 const time_get<wchar_t>&
2720 use_facet<time_get<wchar_t> >(const locale&);
2723 const messages<wchar_t>&
2724 use_facet<messages<wchar_t> >(const locale&);
2728 has_facet<ctype<wchar_t> >(const locale&);
2732 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2736 has_facet<collate<wchar_t> >(const locale&);
2740 has_facet<numpunct<wchar_t> >(const locale&);
2744 has_facet<num_put<wchar_t> >(const locale&);
2748 has_facet<num_get<wchar_t> >(const locale&);
2752 has_facet<moneypunct<wchar_t> >(const locale&);
2756 has_facet<money_put<wchar_t> >(const locale&);
2760 has_facet<money_get<wchar_t> >(const locale&);
2764 has_facet<__timepunct<wchar_t> >(const locale&);
2768 has_facet<time_put<wchar_t> >(const locale&);
2772 has_facet<time_get<wchar_t> >(const locale&);
2776 has_facet<messages<wchar_t> >(const locale&);