1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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>
45 _GLIBCXX_BEGIN_NAMESPACE(std)
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
197 && static_cast<signed char>(__np.grouping()[0]) > 0);
199 _M_truename_size = __np.truename().size();
200 _CharT* __truename = new _CharT[_M_truename_size];
201 __np.truename().copy(__truename, _M_truename_size);
202 _M_truename = __truename;
204 _M_falsename_size = __np.falsename().size();
205 _CharT* __falsename = new _CharT[_M_falsename_size];
206 __np.falsename().copy(__falsename, _M_falsename_size);
207 _M_falsename = __falsename;
209 _M_decimal_point = __np.decimal_point();
210 _M_thousands_sep = __np.thousands_sep();
212 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
213 __ct.widen(__num_base::_S_atoms_out,
214 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
215 __ct.widen(__num_base::_S_atoms_in,
216 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
219 template<typename _CharT, bool _Intl>
221 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
225 const moneypunct<_CharT, _Intl>& __mp =
226 use_facet<moneypunct<_CharT, _Intl> >(__loc);
228 _M_grouping_size = __mp.grouping().size();
229 char* __grouping = new char[_M_grouping_size];
230 __mp.grouping().copy(__grouping, _M_grouping_size);
231 _M_grouping = __grouping;
232 _M_use_grouping = (_M_grouping_size
233 && static_cast<signed char>(__mp.grouping()[0]) > 0);
235 _M_decimal_point = __mp.decimal_point();
236 _M_thousands_sep = __mp.thousands_sep();
237 _M_frac_digits = __mp.frac_digits();
239 _M_curr_symbol_size = __mp.curr_symbol().size();
240 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
241 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
242 _M_curr_symbol = __curr_symbol;
244 _M_positive_sign_size = __mp.positive_sign().size();
245 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
246 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
247 _M_positive_sign = __positive_sign;
249 _M_negative_sign_size = __mp.negative_sign().size();
250 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
251 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
252 _M_negative_sign = __negative_sign;
254 _M_pos_format = __mp.pos_format();
255 _M_neg_format = __mp.neg_format();
257 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
258 __ct.widen(money_base::_S_atoms,
259 money_base::_S_atoms + money_base::_S_end, _M_atoms);
263 // Used by both numeric and monetary facets.
264 // Check to make sure that the __grouping_tmp string constructed in
265 // money_get or num_get matches the canonical grouping for a given
267 // __grouping_tmp is parsed L to R
268 // 1,222,444 == __grouping_tmp of "\1\3\3"
269 // __grouping is parsed R to L
270 // 1,222,444 == __grouping of "\3" == "\3\3\3"
272 __verify_grouping(const char* __grouping, size_t __grouping_size,
273 const string& __grouping_tmp);
275 _GLIBCXX_BEGIN_LDBL_NAMESPACE
277 template<typename _CharT, typename _InIter>
279 num_get<_CharT, _InIter>::
280 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
281 ios_base::iostate& __err, string& __xtrc) const
283 typedef char_traits<_CharT> __traits_type;
284 typedef __numpunct_cache<_CharT> __cache_type;
285 __use_cache<__cache_type> __uc;
286 const locale& __loc = __io._M_getloc();
287 const __cache_type* __lc = __uc(__loc);
288 const _CharT* __lit = __lc->_M_atoms_in;
289 char_type __c = char_type();
291 // True if __beg becomes equal to __end.
292 bool __testeof = __beg == __end;
294 // First check for sign.
298 const bool __plus = __c == __lit[__num_base::_S_iplus];
299 if ((__plus || __c == __lit[__num_base::_S_iminus])
300 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
301 && !(__c == __lc->_M_decimal_point))
303 __xtrc += __plus ? '+' : '-';
304 if (++__beg != __end)
311 // Next, look for leading zeros.
312 bool __found_mantissa = false;
316 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
317 || __c == __lc->_M_decimal_point)
319 else if (__c == __lit[__num_base::_S_izero])
321 if (!__found_mantissa)
324 __found_mantissa = true;
328 if (++__beg != __end)
337 // Only need acceptable digits for floating point numbers.
338 bool __found_dec = false;
339 bool __found_sci = false;
340 string __found_grouping;
341 if (__lc->_M_use_grouping)
342 __found_grouping.reserve(32);
343 const char_type* __lit_zero = __lit + __num_base::_S_izero;
345 if (!__lc->_M_allocated)
349 const int __digit = _M_find(__lit_zero, 10, __c);
352 __xtrc += '0' + __digit;
353 __found_mantissa = true;
355 else if (__c == __lc->_M_decimal_point
356 && !__found_dec && !__found_sci)
361 else if ((__c == __lit[__num_base::_S_ie]
362 || __c == __lit[__num_base::_S_iE])
363 && !__found_sci && __found_mantissa)
365 // Scientific notation.
369 // Remove optional plus or minus sign, if they exist.
370 if (++__beg != __end)
373 const bool __plus = __c == __lit[__num_base::_S_iplus];
374 if (__plus || __c == __lit[__num_base::_S_iminus])
375 __xtrc += __plus ? '+' : '-';
388 if (++__beg != __end)
396 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
397 // and decimal_point.
398 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
400 if (!__found_dec && !__found_sci)
402 // NB: Thousands separator at the beginning of a string
403 // is a no-no, as is two consecutive thousands separators.
406 __found_grouping += static_cast<char>(__sep_pos);
411 // NB: __convert_to_v will not assign __v and will
420 else if (__c == __lc->_M_decimal_point)
422 if (!__found_dec && !__found_sci)
424 // If no grouping chars are seen, no grouping check
425 // is applied. Therefore __found_grouping is adjusted
426 // only if decimal_point comes after some thousands_sep.
427 if (__found_grouping.size())
428 __found_grouping += static_cast<char>(__sep_pos);
437 const char_type* __q =
438 __traits_type::find(__lit_zero, 10, __c);
441 __xtrc += '0' + (__q - __lit_zero);
442 __found_mantissa = true;
445 else if ((__c == __lit[__num_base::_S_ie]
446 || __c == __lit[__num_base::_S_iE])
447 && !__found_sci && __found_mantissa)
449 // Scientific notation.
450 if (__found_grouping.size() && !__found_dec)
451 __found_grouping += static_cast<char>(__sep_pos);
455 // Remove optional plus or minus sign, if they exist.
456 if (++__beg != __end)
459 const bool __plus = __c == __lit[__num_base::_S_iplus];
460 if ((__plus || __c == __lit[__num_base::_S_iminus])
461 && !(__lc->_M_use_grouping
462 && __c == __lc->_M_thousands_sep)
463 && !(__c == __lc->_M_decimal_point))
464 __xtrc += __plus ? '+' : '-';
478 if (++__beg != __end)
484 // Digit grouping is checked. If grouping and found_grouping don't
485 // match, then get very very upset, and set failbit.
486 if (__found_grouping.size())
488 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
489 if (!__found_dec && !__found_sci)
490 __found_grouping += static_cast<char>(__sep_pos);
492 if (!std::__verify_grouping(__lc->_M_grouping,
493 __lc->_M_grouping_size,
495 __err |= ios_base::failbit;
500 __err |= ios_base::eofbit;
504 _GLIBCXX_END_LDBL_NAMESPACE
506 template<typename _ValueT>
507 struct __to_unsigned_type
508 { typedef _ValueT __type; };
511 struct __to_unsigned_type<long>
512 { typedef unsigned long __type; };
514 #ifdef _GLIBCXX_USE_LONG_LONG
516 struct __to_unsigned_type<long long>
517 { typedef unsigned long long __type; };
520 _GLIBCXX_BEGIN_LDBL_NAMESPACE
522 template<typename _CharT, typename _InIter>
523 template<typename _ValueT>
525 num_get<_CharT, _InIter>::
526 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
527 ios_base::iostate& __err, _ValueT& __v) const
529 typedef char_traits<_CharT> __traits_type;
530 typedef typename __to_unsigned_type<_ValueT>::__type __unsigned_type;
531 typedef __numpunct_cache<_CharT> __cache_type;
532 __use_cache<__cache_type> __uc;
533 const locale& __loc = __io._M_getloc();
534 const __cache_type* __lc = __uc(__loc);
535 const _CharT* __lit = __lc->_M_atoms_in;
536 char_type __c = char_type();
538 // NB: Iff __basefield == 0, __base can change based on contents.
539 const ios_base::fmtflags __basefield = __io.flags()
540 & ios_base::basefield;
541 const bool __oct = __basefield == ios_base::oct;
542 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
544 // True if __beg becomes equal to __end.
545 bool __testeof = __beg == __end;
547 // First check for sign.
548 bool __negative = false;
552 if (numeric_limits<_ValueT>::is_signed)
553 __negative = __c == __lit[__num_base::_S_iminus];
554 if ((__negative || __c == __lit[__num_base::_S_iplus])
555 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
556 && !(__c == __lc->_M_decimal_point))
558 if (++__beg != __end)
565 // Next, look for leading zeros and check required digits
567 bool __found_zero = false;
571 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep
572 || __c == __lc->_M_decimal_point)
574 else if (__c == __lit[__num_base::_S_izero]
575 && (!__found_zero || __base == 10))
579 if (__basefield == 0)
584 else if (__found_zero
585 && (__c == __lit[__num_base::_S_ix]
586 || __c == __lit[__num_base::_S_iX]))
588 if (__basefield == 0)
592 __found_zero = false;
601 if (++__beg != __end)
611 // At this point, base is determined. If not hex, only allow
612 // base digits as valid input.
613 const size_t __len = (__base == 16 ? __num_base::_S_iend
614 - __num_base::_S_izero : __base);
617 string __found_grouping;
618 if (__lc->_M_use_grouping)
619 __found_grouping.reserve(32);
620 bool __testfail = false;
621 const __unsigned_type __max = __negative ?
622 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
623 const __unsigned_type __smax = __max / __base;
624 __unsigned_type __result = 0;
626 const char_type* __lit_zero = __lit + __num_base::_S_izero;
628 if (!__lc->_M_allocated)
632 __digit = _M_find(__lit_zero, __len, __c);
636 if (__result > __smax)
641 __testfail |= __result > __max - __digit;
646 if (++__beg != __end)
654 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
655 // and decimal_point.
656 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
658 // NB: Thousands separator at the beginning of a string
659 // is a no-no, as is two consecutive thousands separators.
662 __found_grouping += static_cast<char>(__sep_pos);
671 else if (__c == __lc->_M_decimal_point)
675 const char_type* __q =
676 __traits_type::find(__lit_zero, __len, __c);
680 __digit = __q - __lit_zero;
683 if (__result > __smax)
688 __testfail |= __result > __max - __digit;
694 if (++__beg != __end)
700 // Digit grouping is checked. If grouping and found_grouping don't
701 // match, then get very very upset, and set failbit.
702 if (__found_grouping.size())
704 // Add the ending grouping.
705 __found_grouping += static_cast<char>(__sep_pos);
707 if (!std::__verify_grouping(__lc->_M_grouping,
708 __lc->_M_grouping_size,
710 __err |= ios_base::failbit;
713 if (!__testfail && (__sep_pos || __found_zero
714 || __found_grouping.size()))
715 __v = __negative ? -__result : __result;
717 __err |= ios_base::failbit;
720 __err |= ios_base::eofbit;
724 // _GLIBCXX_RESOLVE_LIB_DEFECTS
725 // 17. Bad bool parsing
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, bool& __v) const
732 if (!(__io.flags() & ios_base::boolalpha))
734 // Parse bool values as long.
735 // NB: We can't just call do_get(long) here, as it might
736 // refer to a derived class.
738 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
739 if (__l == 0 || __l == 1)
742 __err |= ios_base::failbit;
746 // Parse bool values as alphanumeric.
747 typedef __numpunct_cache<_CharT> __cache_type;
748 __use_cache<__cache_type> __uc;
749 const locale& __loc = __io._M_getloc();
750 const __cache_type* __lc = __uc(__loc);
755 bool __testeof = __beg == __end;
756 for (__n = 0; !__testeof; ++__n)
758 const char_type __c = *__beg;
761 if (__n < __lc->_M_falsename_size)
762 __testf = __c == __lc->_M_falsename[__n];
767 if (__n < __lc->_M_truename_size)
768 __testt = __c == __lc->_M_truename[__n];
772 if (!__testf && !__testt)
775 if (++__beg == __end)
778 if (__testf && __n == __lc->_M_falsename_size)
780 else if (__testt && __n == __lc->_M_truename_size)
783 __err |= ios_base::failbit;
786 __err |= ios_base::eofbit;
791 template<typename _CharT, typename _InIter>
793 num_get<_CharT, _InIter>::
794 do_get(iter_type __beg, iter_type __end, ios_base& __io,
795 ios_base::iostate& __err, long& __v) const
796 { return _M_extract_int(__beg, __end, __io, __err, __v); }
798 template<typename _CharT, typename _InIter>
800 num_get<_CharT, _InIter>::
801 do_get(iter_type __beg, iter_type __end, ios_base& __io,
802 ios_base::iostate& __err, unsigned short& __v) const
803 { return _M_extract_int(__beg, __end, __io, __err, __v); }
805 template<typename _CharT, typename _InIter>
807 num_get<_CharT, _InIter>::
808 do_get(iter_type __beg, iter_type __end, ios_base& __io,
809 ios_base::iostate& __err, unsigned int& __v) const
810 { return _M_extract_int(__beg, __end, __io, __err, __v); }
812 template<typename _CharT, typename _InIter>
814 num_get<_CharT, _InIter>::
815 do_get(iter_type __beg, iter_type __end, ios_base& __io,
816 ios_base::iostate& __err, unsigned long& __v) const
817 { return _M_extract_int(__beg, __end, __io, __err, __v); }
819 #ifdef _GLIBCXX_USE_LONG_LONG
820 template<typename _CharT, typename _InIter>
822 num_get<_CharT, _InIter>::
823 do_get(iter_type __beg, iter_type __end, ios_base& __io,
824 ios_base::iostate& __err, long long& __v) const
825 { return _M_extract_int(__beg, __end, __io, __err, __v); }
827 template<typename _CharT, typename _InIter>
829 num_get<_CharT, _InIter>::
830 do_get(iter_type __beg, iter_type __end, ios_base& __io,
831 ios_base::iostate& __err, unsigned long long& __v) const
832 { return _M_extract_int(__beg, __end, __io, __err, __v); }
835 template<typename _CharT, typename _InIter>
837 num_get<_CharT, _InIter>::
838 do_get(iter_type __beg, iter_type __end, ios_base& __io,
839 ios_base::iostate& __err, float& __v) const
843 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
844 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
848 template<typename _CharT, typename _InIter>
850 num_get<_CharT, _InIter>::
851 do_get(iter_type __beg, iter_type __end, ios_base& __io,
852 ios_base::iostate& __err, double& __v) const
856 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
857 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
861 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
862 template<typename _CharT, typename _InIter>
864 num_get<_CharT, _InIter>::
865 __do_get(iter_type __beg, iter_type __end, ios_base& __io,
866 ios_base::iostate& __err, double& __v) const
870 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
871 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
876 template<typename _CharT, typename _InIter>
878 num_get<_CharT, _InIter>::
879 do_get(iter_type __beg, iter_type __end, ios_base& __io,
880 ios_base::iostate& __err, long double& __v) const
884 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
885 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
889 template<typename _CharT, typename _InIter>
891 num_get<_CharT, _InIter>::
892 do_get(iter_type __beg, iter_type __end, ios_base& __io,
893 ios_base::iostate& __err, void*& __v) const
895 // Prepare for hex formatted input.
896 typedef ios_base::fmtflags fmtflags;
897 const fmtflags __fmt = __io.flags();
898 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
901 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
903 // Reset from hex formatted input.
906 if (!(__err & ios_base::failbit))
907 __v = reinterpret_cast<void*>(__ul);
911 // For use by integer and floating-point types after they have been
912 // converted into a char_type string.
913 template<typename _CharT, typename _OutIter>
915 num_put<_CharT, _OutIter>::
916 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
917 _CharT* __new, const _CharT* __cs, int& __len) const
919 // [22.2.2.2.2] Stage 3.
920 // If necessary, pad.
921 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
923 __len = static_cast<int>(__w);
926 _GLIBCXX_END_LDBL_NAMESPACE
928 // Forwarding functions to peel signed from unsigned integer types and
929 // either cast or compute the absolute value for the former, depending
931 template<typename _CharT>
933 __int_to_char(_CharT* __bufend, long __v, const _CharT* __lit,
934 ios_base::fmtflags __flags)
936 unsigned long __ul = __v;
937 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
938 if (__builtin_expect(__basefield != ios_base::oct
939 && __basefield != ios_base::hex, true))
940 __ul = __v < 0 ? -__v : __ul;
941 return __int_to_char(__bufend, __ul, __lit, __flags, false);
944 template<typename _CharT>
946 __int_to_char(_CharT* __bufend, unsigned long __v, const _CharT* __lit,
947 ios_base::fmtflags __flags)
948 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
950 #ifdef _GLIBCXX_USE_LONG_LONG
951 template<typename _CharT>
953 __int_to_char(_CharT* __bufend, long long __v, const _CharT* __lit,
954 ios_base::fmtflags __flags)
956 unsigned long long __ull = __v;
957 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
958 if (__builtin_expect(__basefield != ios_base::oct
959 && __basefield != ios_base::hex, true))
960 __ull = __v < 0 ? -__v : __ull;
961 return __int_to_char(__bufend, __ull, __lit, __flags, false);
964 template<typename _CharT>
966 __int_to_char(_CharT* __bufend, unsigned long long __v,
967 const _CharT* __lit, ios_base::fmtflags __flags)
968 { return __int_to_char(__bufend, __v, __lit, __flags, false); }
971 // N.B. The last argument is currently unused (see libstdc++/20914).
972 template<typename _CharT, typename _ValueT>
974 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
975 ios_base::fmtflags __flags, bool)
977 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
978 _CharT* __buf = __bufend;
980 if (__builtin_expect(__basefield != ios_base::oct
981 && __basefield != ios_base::hex, true))
986 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
991 else if (__basefield == ios_base::oct)
996 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
1004 const bool __uppercase = __flags & ios_base::uppercase;
1005 const int __case_offset = __uppercase ? __num_base::_S_oudigits
1006 : __num_base::_S_odigits;
1009 *--__buf = __lit[(__v & 0xf) + __case_offset];
1014 return __bufend - __buf;
1017 _GLIBCXX_BEGIN_LDBL_NAMESPACE
1019 template<typename _CharT, typename _OutIter>
1021 num_put<_CharT, _OutIter>::
1022 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
1023 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
1025 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
1026 __grouping_size, __cs, __cs + __len);
1027 __len = __p - __new;
1030 template<typename _CharT, typename _OutIter>
1031 template<typename _ValueT>
1033 num_put<_CharT, _OutIter>::
1034 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
1037 typedef __numpunct_cache<_CharT> __cache_type;
1038 __use_cache<__cache_type> __uc;
1039 const locale& __loc = __io._M_getloc();
1040 const __cache_type* __lc = __uc(__loc);
1041 const _CharT* __lit = __lc->_M_atoms_out;
1042 const ios_base::fmtflags __flags = __io.flags();
1044 // Long enough to hold hex, dec, and octal representations.
1045 const int __ilen = 5 * sizeof(_ValueT);
1046 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1049 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1050 // Result is returned right-justified in the buffer.
1051 int __len = __int_to_char(__cs + __ilen, __v, __lit, __flags);
1052 __cs += __ilen - __len;
1054 // Add grouping, if necessary.
1055 if (__lc->_M_use_grouping)
1057 // Grouping can add (almost) as many separators as the number
1058 // of digits + space is reserved for numeric base or sign.
1059 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1062 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1063 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1067 // Complete Stage 1, prepend numeric base or sign.
1068 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
1069 if (__builtin_expect(__basefield != ios_base::oct
1070 && __basefield != ios_base::hex, true))
1075 if (__flags & ios_base::showpos
1076 && numeric_limits<_ValueT>::is_signed)
1077 *--__cs = __lit[__num_base::_S_oplus], ++__len;
1080 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1082 else if (__flags & ios_base::showbase && __v)
1084 if (__basefield == ios_base::oct)
1085 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1089 const bool __uppercase = __flags & ios_base::uppercase;
1090 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1092 *--__cs = __lit[__num_base::_S_odigits];
1098 const streamsize __w = __io.width();
1099 if (__w > static_cast<streamsize>(__len))
1101 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1103 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1108 // [22.2.2.2.2] Stage 4.
1109 // Write resulting, fully-formatted string to output iterator.
1110 return std::__write(__s, __cs, __len);
1113 template<typename _CharT, typename _OutIter>
1115 num_put<_CharT, _OutIter>::
1116 _M_group_float(const char* __grouping, size_t __grouping_size,
1117 _CharT __sep, const _CharT* __p, _CharT* __new,
1118 _CharT* __cs, int& __len) const
1120 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1121 // 282. What types does numpunct grouping refer to?
1122 // Add grouping, if necessary.
1123 const int __declen = __p ? __p - __cs : __len;
1124 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1126 __cs, __cs + __declen);
1128 // Tack on decimal part.
1129 int __newlen = __p2 - __new;
1132 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1133 __newlen += __len - __declen;
1138 // The following code uses vsnprintf (or vsprintf(), when
1139 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1140 // for insertion into a stream. An optimization would be to replace
1141 // them with code that works directly on a wide buffer and then use
1142 // __pad to do the padding. It would be good to replace them anyway
1143 // to gain back the efficiency that C++ provides by knowing up front
1144 // the type of the values to insert. Also, sprintf is dangerous
1145 // since may lead to accidental buffer overruns. This
1146 // implementation follows the C++ standard fairly directly as
1147 // outlined in 22.2.2.2 [lib.locale.num.put]
1148 template<typename _CharT, typename _OutIter>
1149 template<typename _ValueT>
1151 num_put<_CharT, _OutIter>::
1152 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1155 typedef __numpunct_cache<_CharT> __cache_type;
1156 __use_cache<__cache_type> __uc;
1157 const locale& __loc = __io._M_getloc();
1158 const __cache_type* __lc = __uc(__loc);
1160 // Use default precision if out of range.
1161 streamsize __prec = __io.precision();
1162 if (__prec < static_cast<streamsize>(0))
1163 __prec = static_cast<streamsize>(6);
1165 const int __max_digits = numeric_limits<_ValueT>::digits10;
1167 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1169 // Long enough for the max format spec.
1172 #ifdef _GLIBCXX_USE_C99
1173 // First try a buffer perhaps big enough (most probably sufficient
1174 // for non-ios_base::fixed outputs)
1175 int __cs_size = __max_digits * 3;
1176 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1178 __num_base::_S_format_float(__io, __fbuf, __mod);
1179 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1180 __fbuf, __prec, __v);
1182 // If the buffer was not large enough, try again with the correct size.
1183 if (__len >= __cs_size)
1185 __cs_size = __len + 1;
1186 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1187 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1188 __fbuf, __prec, __v);
1191 // Consider the possibility of long ios_base::fixed outputs
1192 const bool __fixed = __io.flags() & ios_base::fixed;
1193 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1195 // The size of the output string is computed as follows.
1196 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1197 // for the integer part + __prec chars for the fractional part
1198 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1199 // for non-fixed outputs __max_digits * 2 + __prec chars are
1200 // largely sufficient.
1201 const int __cs_size = __fixed ? __max_exp + __prec + 4
1202 : __max_digits * 2 + __prec;
1203 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1205 __num_base::_S_format_float(__io, __fbuf, __mod);
1206 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1210 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1211 // numpunct.decimal_point() values for '.' and adding grouping.
1212 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1214 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1216 __ctype.widen(__cs, __cs + __len, __ws);
1218 // Replace decimal point.
1219 const _CharT __cdec = __ctype.widen('.');
1220 const _CharT __dec = __lc->_M_decimal_point;
1221 const _CharT* __p = char_traits<_CharT>::find(__ws, __len, __cdec);
1223 __ws[__p - __ws] = __dec;
1225 // Add grouping, if necessary.
1226 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1227 // point, scientific notation.
1228 if (__lc->_M_use_grouping
1229 && (__p || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1230 && __cs[1] >= '0' && __cs[2] >= '0')))
1232 // Grouping can add (almost) as many separators as the
1233 // number of digits, but no more.
1234 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1237 streamsize __off = 0;
1238 if (__cs[0] == '-' || __cs[0] == '+')
1245 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1246 __lc->_M_thousands_sep, __p, __ws2 + __off,
1247 __ws + __off, __len);
1254 const streamsize __w = __io.width();
1255 if (__w > static_cast<streamsize>(__len))
1257 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1259 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1264 // [22.2.2.2.2] Stage 4.
1265 // Write resulting, fully-formatted string to output iterator.
1266 return std::__write(__s, __ws, __len);
1269 template<typename _CharT, typename _OutIter>
1271 num_put<_CharT, _OutIter>::
1272 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1274 const ios_base::fmtflags __flags = __io.flags();
1275 if ((__flags & ios_base::boolalpha) == 0)
1277 const long __l = __v;
1278 __s = _M_insert_int(__s, __io, __fill, __l);
1282 typedef __numpunct_cache<_CharT> __cache_type;
1283 __use_cache<__cache_type> __uc;
1284 const locale& __loc = __io._M_getloc();
1285 const __cache_type* __lc = __uc(__loc);
1287 const _CharT* __name = __v ? __lc->_M_truename
1288 : __lc->_M_falsename;
1289 int __len = __v ? __lc->_M_truename_size
1290 : __lc->_M_falsename_size;
1292 const streamsize __w = __io.width();
1293 if (__w > static_cast<streamsize>(__len))
1296 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1298 _M_pad(__fill, __w, __io, __cs, __name, __len);
1302 __s = std::__write(__s, __name, __len);
1307 template<typename _CharT, typename _OutIter>
1309 num_put<_CharT, _OutIter>::
1310 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1311 { return _M_insert_int(__s, __io, __fill, __v); }
1313 template<typename _CharT, typename _OutIter>
1315 num_put<_CharT, _OutIter>::
1316 do_put(iter_type __s, ios_base& __io, char_type __fill,
1317 unsigned long __v) const
1318 { return _M_insert_int(__s, __io, __fill, __v); }
1320 #ifdef _GLIBCXX_USE_LONG_LONG
1321 template<typename _CharT, typename _OutIter>
1323 num_put<_CharT, _OutIter>::
1324 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1325 { return _M_insert_int(__s, __io, __fill, __v); }
1327 template<typename _CharT, typename _OutIter>
1329 num_put<_CharT, _OutIter>::
1330 do_put(iter_type __s, ios_base& __io, char_type __fill,
1331 unsigned long long __v) const
1332 { return _M_insert_int(__s, __io, __fill, __v); }
1335 template<typename _CharT, typename _OutIter>
1337 num_put<_CharT, _OutIter>::
1338 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1339 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1341 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1342 template<typename _CharT, typename _OutIter>
1344 num_put<_CharT, _OutIter>::
1345 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1346 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1349 template<typename _CharT, typename _OutIter>
1351 num_put<_CharT, _OutIter>::
1352 do_put(iter_type __s, ios_base& __io, char_type __fill,
1353 long double __v) const
1354 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1356 template<typename _CharT, typename _OutIter>
1358 num_put<_CharT, _OutIter>::
1359 do_put(iter_type __s, ios_base& __io, char_type __fill,
1360 const void* __v) const
1362 const ios_base::fmtflags __flags = __io.flags();
1363 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1364 | ios_base::uppercase
1365 | ios_base::internal);
1366 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1368 __s = _M_insert_int(__s, __io, __fill,
1369 reinterpret_cast<unsigned long>(__v));
1370 __io.flags(__flags);
1374 template<typename _CharT, typename _InIter>
1375 template<bool _Intl>
1377 money_get<_CharT, _InIter>::
1378 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1379 ios_base::iostate& __err, string& __units) const
1381 typedef char_traits<_CharT> __traits_type;
1382 typedef typename string_type::size_type size_type;
1383 typedef money_base::part part;
1384 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1386 const locale& __loc = __io._M_getloc();
1387 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1389 __use_cache<__cache_type> __uc;
1390 const __cache_type* __lc = __uc(__loc);
1391 const char_type* __lit = __lc->_M_atoms;
1394 bool __negative = false;
1396 size_type __sign_size = 0;
1397 // True if sign is mandatory.
1398 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1399 && __lc->_M_negative_sign_size);
1400 // String of grouping info from thousands_sep plucked from __units.
1401 string __grouping_tmp;
1402 if (__lc->_M_use_grouping)
1403 __grouping_tmp.reserve(32);
1404 // Last position before the decimal point.
1406 // Separator positions, then, possibly, fractional digits.
1408 // If input iterator is in a valid state.
1409 bool __testvalid = true;
1410 // Flag marking when a decimal point is found.
1411 bool __testdecfound = false;
1413 // The tentative returned string is stored here.
1417 const char_type* __lit_zero = __lit + money_base::_S_zero;
1418 const money_base::pattern __p = __lc->_M_neg_format;
1419 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1421 const part __which = static_cast<part>(__p.field[__i]);
1424 case money_base::symbol:
1425 // According to 22.2.6.1.2, p2, symbol is required
1426 // if (__io.flags() & ios_base::showbase), otherwise
1427 // is optional and consumed only if other characters
1428 // are needed to complete the format.
1429 if (__io.flags() & ios_base::showbase || __sign_size > 1
1431 || (__i == 1 && (__mandatory_sign
1432 || (static_cast<part>(__p.field[0])
1433 == money_base::sign)
1434 || (static_cast<part>(__p.field[2])
1435 == money_base::space)))
1436 || (__i == 2 && ((static_cast<part>(__p.field[3])
1437 == money_base::value)
1439 && (static_cast<part>(__p.field[3])
1440 == money_base::sign))))
1442 const size_type __len = __lc->_M_curr_symbol_size;
1444 for (; __beg != __end && __j < __len
1445 && *__beg == __lc->_M_curr_symbol[__j];
1448 && (__j || __io.flags() & ios_base::showbase))
1449 __testvalid = false;
1452 case money_base::sign:
1453 // Sign might not exist, or be more than one character long.
1454 if (__lc->_M_positive_sign_size && __beg != __end
1455 && *__beg == __lc->_M_positive_sign[0])
1457 __sign_size = __lc->_M_positive_sign_size;
1460 else if (__lc->_M_negative_sign_size && __beg != __end
1461 && *__beg == __lc->_M_negative_sign[0])
1464 __sign_size = __lc->_M_negative_sign_size;
1467 else if (__lc->_M_positive_sign_size
1468 && !__lc->_M_negative_sign_size)
1469 // "... if no sign is detected, the result is given the sign
1470 // that corresponds to the source of the empty string"
1472 else if (__mandatory_sign)
1473 __testvalid = false;
1475 case money_base::value:
1476 // Extract digits, remove and stash away the
1477 // grouping of found thousands separators.
1478 for (; __beg != __end; ++__beg)
1480 const char_type __c = *__beg;
1481 const char_type* __q = __traits_type::find(__lit_zero,
1485 __res += money_base::_S_atoms[__q - __lit];
1488 else if (__c == __lc->_M_decimal_point
1493 __testdecfound = true;
1495 else if (__lc->_M_use_grouping
1496 && __c == __lc->_M_thousands_sep
1501 // Mark position for later analysis.
1502 __grouping_tmp += static_cast<char>(__n);
1507 __testvalid = false;
1515 __testvalid = false;
1517 case money_base::space:
1518 // At least one space is required.
1519 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1522 __testvalid = false;
1523 case money_base::none:
1524 // Only if not at the end of the pattern.
1526 for (; __beg != __end
1527 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1532 // Need to get the rest of the sign characters, if they exist.
1533 if (__sign_size > 1 && __testvalid)
1535 const char_type* __sign = __negative ? __lc->_M_negative_sign
1536 : __lc->_M_positive_sign;
1538 for (; __beg != __end && __i < __sign_size
1539 && *__beg == __sign[__i]; ++__beg, ++__i);
1541 if (__i != __sign_size)
1542 __testvalid = false;
1547 // Strip leading zeros.
1548 if (__res.size() > 1)
1550 const size_type __first = __res.find_first_not_of('0');
1551 const bool __only_zeros = __first == string::npos;
1553 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1557 if (__negative && __res[0] != '0')
1558 __res.insert(__res.begin(), '-');
1560 // Test for grouping fidelity.
1561 if (__grouping_tmp.size())
1563 // Add the ending grouping.
1564 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1566 if (!std::__verify_grouping(__lc->_M_grouping,
1567 __lc->_M_grouping_size,
1569 __err |= ios_base::failbit;
1572 // Iff not enough digits were supplied after the decimal-point.
1573 if (__testdecfound && __lc->_M_frac_digits > 0
1574 && __n != __lc->_M_frac_digits)
1575 __testvalid = false;
1578 // Iff valid sequence is not recognized.
1580 __err |= ios_base::failbit;
1582 __units.swap(__res);
1584 // Iff no more characters are available.
1586 __err |= ios_base::eofbit;
1590 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1591 template<typename _CharT, typename _InIter>
1593 money_get<_CharT, _InIter>::
1594 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1595 ios_base::iostate& __err, double& __units) const
1599 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1601 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1602 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1607 template<typename _CharT, typename _InIter>
1609 money_get<_CharT, _InIter>::
1610 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1611 ios_base::iostate& __err, long double& __units) const
1615 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1617 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1618 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1622 template<typename _CharT, typename _InIter>
1624 money_get<_CharT, _InIter>::
1625 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1626 ios_base::iostate& __err, string_type& __units) const
1628 typedef typename string::size_type size_type;
1630 const locale& __loc = __io._M_getloc();
1631 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1634 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1636 : _M_extract<false>(__beg, __end, __io,
1638 const size_type __len = __str.size();
1641 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1643 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1644 __units.assign(__ws, __len);
1650 template<typename _CharT, typename _OutIter>
1651 template<bool _Intl>
1653 money_put<_CharT, _OutIter>::
1654 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1655 const string_type& __digits) const
1657 typedef typename string_type::size_type size_type;
1658 typedef money_base::part part;
1659 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1661 const locale& __loc = __io._M_getloc();
1662 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1664 __use_cache<__cache_type> __uc;
1665 const __cache_type* __lc = __uc(__loc);
1666 const char_type* __lit = __lc->_M_atoms;
1668 // Determine if negative or positive formats are to be used, and
1669 // discard leading negative_sign if it is present.
1670 const char_type* __beg = __digits.data();
1672 money_base::pattern __p;
1673 const char_type* __sign;
1674 size_type __sign_size;
1675 if (!(*__beg == __lit[money_base::_S_minus]))
1677 __p = __lc->_M_pos_format;
1678 __sign = __lc->_M_positive_sign;
1679 __sign_size = __lc->_M_positive_sign_size;
1683 __p = __lc->_M_neg_format;
1684 __sign = __lc->_M_negative_sign;
1685 __sign_size = __lc->_M_negative_sign_size;
1686 if (__digits.size())
1690 // Look for valid numbers in the ctype facet within input digits.
1691 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1692 __beg + __digits.size()) - __beg;
1695 // Assume valid input, and attempt to format.
1696 // Break down input numbers into base components, as follows:
1697 // final_value = grouped units + (decimal point) + (digits)
1698 string_type __value;
1699 __value.reserve(2 * __len);
1701 // Add thousands separators to non-decimal digits, per
1703 int __paddec = __len - __lc->_M_frac_digits;
1706 if (__lc->_M_frac_digits < 0)
1708 if (__lc->_M_grouping_size)
1711 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1714 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1716 __lc->_M_grouping_size,
1717 __beg, __beg + __paddec);
1718 __value.assign(__ws, __ws_end - __ws);
1721 __value.assign(__beg, __paddec);
1724 // Deal with decimal point, decimal digits.
1725 if (__lc->_M_frac_digits > 0)
1727 __value += __lc->_M_decimal_point;
1729 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1732 // Have to pad zeros in the decimal position.
1733 __value.append(-__paddec, __lit[money_base::_S_zero]);
1734 __value.append(__beg, __len);
1738 // Calculate length of resulting string.
1739 const ios_base::fmtflags __f = __io.flags()
1740 & ios_base::adjustfield;
1741 __len = __value.size() + __sign_size;
1742 __len += ((__io.flags() & ios_base::showbase)
1743 ? __lc->_M_curr_symbol_size : 0);
1746 __res.reserve(2 * __len);
1748 const size_type __width = static_cast<size_type>(__io.width());
1749 const bool __testipad = (__f == ios_base::internal
1750 && __len < __width);
1751 // Fit formatted digits into the required pattern.
1752 for (int __i = 0; __i < 4; ++__i)
1754 const part __which = static_cast<part>(__p.field[__i]);
1757 case money_base::symbol:
1758 if (__io.flags() & ios_base::showbase)
1759 __res.append(__lc->_M_curr_symbol,
1760 __lc->_M_curr_symbol_size);
1762 case money_base::sign:
1763 // Sign might not exist, or be more than one
1764 // charater long. In that case, add in the rest
1769 case money_base::value:
1772 case money_base::space:
1773 // At least one space is required, but if internal
1774 // formatting is required, an arbitrary number of
1775 // fill spaces will be necessary.
1777 __res.append(__width - __len, __fill);
1781 case money_base::none:
1783 __res.append(__width - __len, __fill);
1788 // Special case of multi-part sign parts.
1789 if (__sign_size > 1)
1790 __res.append(__sign + 1, __sign_size - 1);
1792 // Pad, if still necessary.
1793 __len = __res.size();
1794 if (__width > __len)
1796 if (__f == ios_base::left)
1798 __res.append(__width - __len, __fill);
1801 __res.insert(0, __width - __len, __fill);
1805 // Write resulting, fully-formatted string to output iterator.
1806 __s = std::__write(__s, __res.data(), __len);
1812 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1813 template<typename _CharT, typename _OutIter>
1815 money_put<_CharT, _OutIter>::
1816 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1817 double __units) const
1819 return this->do_put(__s, __intl, __io, __fill, (long double) __units);
1823 template<typename _CharT, typename _OutIter>
1825 money_put<_CharT, _OutIter>::
1826 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1827 long double __units) const
1829 const locale __loc = __io.getloc();
1830 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1831 #ifdef _GLIBCXX_USE_C99
1832 // First try a buffer perhaps big enough.
1834 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1835 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1836 // 328. Bad sprintf format modifier in money_put<>::do_put()
1837 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1838 "%.*Lf", 0, __units);
1839 // If the buffer was not large enough, try again with the correct size.
1840 if (__len >= __cs_size)
1842 __cs_size = __len + 1;
1843 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1844 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1845 "%.*Lf", 0, __units);
1848 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1849 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1850 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1851 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1854 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1856 __ctype.widen(__cs, __cs + __len, __ws);
1857 const string_type __digits(__ws, __len);
1858 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1859 : _M_insert<false>(__s, __io, __fill, __digits);
1862 template<typename _CharT, typename _OutIter>
1864 money_put<_CharT, _OutIter>::
1865 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1866 const string_type& __digits) const
1867 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1868 : _M_insert<false>(__s, __io, __fill, __digits); }
1870 _GLIBCXX_END_LDBL_NAMESPACE
1872 // NB: Not especially useful. Without an ios_base object or some
1873 // kind of locale reference, we are left clawing at the air where
1874 // the side of the mountain used to be...
1875 template<typename _CharT, typename _InIter>
1876 time_base::dateorder
1877 time_get<_CharT, _InIter>::do_date_order() const
1878 { return time_base::no_order; }
1880 // Expand a strftime format string and parse it. E.g., do_get_date() may
1881 // pass %m/%d/%Y => extracted characters.
1882 template<typename _CharT, typename _InIter>
1884 time_get<_CharT, _InIter>::
1885 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1886 ios_base::iostate& __err, tm* __tm,
1887 const _CharT* __format) const
1889 const locale& __loc = __io._M_getloc();
1890 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1891 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1892 const size_t __len = char_traits<_CharT>::length(__format);
1894 ios_base::iostate __tmperr = ios_base::goodbit;
1895 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1897 if (__ctype.narrow(__format[__i], 0) == '%')
1899 // Verify valid formatting code, attempt to extract.
1900 char __c = __ctype.narrow(__format[++__i], 0);
1902 if (__c == 'E' || __c == 'O')
1903 __c = __ctype.narrow(__format[++__i], 0);
1909 // Abbreviated weekday name [tm_wday]
1910 const char_type* __days1[7];
1911 __tp._M_days_abbreviated(__days1);
1912 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1916 // Weekday name [tm_wday].
1917 const char_type* __days2[7];
1918 __tp._M_days(__days2);
1919 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1924 // Abbreviated month name [tm_mon]
1925 const char_type* __months1[12];
1926 __tp._M_months_abbreviated(__months1);
1927 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1928 __months1, 12, __io, __tmperr);
1931 // Month name [tm_mon].
1932 const char_type* __months2[12];
1933 __tp._M_months(__months2);
1934 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1935 __months2, 12, __io, __tmperr);
1938 // Default time and date representation.
1939 const char_type* __dt[2];
1940 __tp._M_date_time_formats(__dt);
1941 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1945 // Day [01, 31]. [tm_mday]
1946 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1950 // Day [1, 31], with single digits preceded by
1952 if (__ctype.is(ctype_base::space, *__beg))
1953 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1956 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1960 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1962 __ctype.widen(__cs, __cs + 9, __wcs);
1963 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1967 // Hour [00, 23]. [tm_hour]
1968 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1972 // Hour [01, 12]. [tm_hour]
1973 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1977 // Month [01, 12]. [tm_mon]
1978 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1981 __tm->tm_mon = __mem - 1;
1984 // Minute [00, 59]. [tm_min]
1985 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1989 if (__ctype.narrow(*__beg, 0) == '\n')
1992 __tmperr |= ios_base::failbit;
1995 // Equivalent to (%H:%M).
1997 __ctype.widen(__cs, __cs + 6, __wcs);
1998 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
2002 // Seconds. [tm_sec]
2003 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
2004 #ifdef _GLIBCXX_USE_C99
2005 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
2007 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
2012 if (__ctype.narrow(*__beg, 0) == '\t')
2015 __tmperr |= ios_base::failbit;
2018 // Equivalent to (%H:%M:%S).
2020 __ctype.widen(__cs, __cs + 9, __wcs);
2021 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
2026 const char_type* __dates[2];
2027 __tp._M_date_formats(__dates);
2028 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
2033 const char_type* __times[2];
2034 __tp._M_time_formats(__times);
2035 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
2040 // Two digit year. [tm_year]
2041 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
2045 // Year [1900). [tm_year]
2046 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
2049 __tm->tm_year = __mem - 1900;
2053 if (__ctype.is(ctype_base::upper, *__beg))
2056 __beg = _M_extract_name(__beg, __end, __tmp,
2057 __timepunct_cache<_CharT>::_S_timezones,
2058 14, __io, __tmperr);
2060 // GMT requires special effort.
2061 if (__beg != __end && !__tmperr && __tmp == 0
2062 && (*__beg == __ctype.widen('-')
2063 || *__beg == __ctype.widen('+')))
2065 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2067 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2072 __tmperr |= ios_base::failbit;
2076 __tmperr |= ios_base::failbit;
2081 // Verify format and input match, extract and discard.
2082 if (__format[__i] == *__beg)
2085 __tmperr |= ios_base::failbit;
2090 __err |= ios_base::failbit;
2095 template<typename _CharT, typename _InIter>
2097 time_get<_CharT, _InIter>::
2098 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2099 int __min, int __max, size_t __len,
2100 ios_base& __io, ios_base::iostate& __err) const
2102 const locale& __loc = __io._M_getloc();
2103 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2105 // As-is works for __len = 1, 2, 4, the values actually used.
2106 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2111 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2113 const char __c = __ctype.narrow(*__beg, '*');
2114 if (__c >= '0' && __c <= '9')
2116 __value = __value * 10 + (__c - '0');
2117 const int __valuec = __value * __mult;
2118 if (__valuec > __max || __valuec + __mult < __min)
2128 __err |= ios_base::failbit;
2134 // All elements in __names are unique.
2135 template<typename _CharT, typename _InIter>
2137 time_get<_CharT, _InIter>::
2138 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2139 const _CharT** __names, size_t __indexlen,
2140 ios_base& __io, ios_base::iostate& __err) const
2142 typedef char_traits<_CharT> __traits_type;
2143 const locale& __loc = __io._M_getloc();
2144 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2146 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2148 size_t __nmatches = 0;
2150 bool __testvalid = true;
2151 const char_type* __name;
2153 // Look for initial matches.
2154 // NB: Some of the locale data is in the form of all lowercase
2155 // names, and some is in the form of initially-capitalized
2156 // names. Look for both.
2159 const char_type __c = *__beg;
2160 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2161 if (__c == __names[__i1][0]
2162 || __c == __ctype.toupper(__names[__i1][0]))
2163 __matches[__nmatches++] = __i1;
2166 while (__nmatches > 1)
2168 // Find smallest matching string.
2169 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2170 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2171 __minlen = std::min(__minlen,
2172 __traits_type::length(__names[__matches[__i2]]));
2174 if (__pos < __minlen && __beg != __end)
2175 for (size_t __i3 = 0; __i3 < __nmatches;)
2177 __name = __names[__matches[__i3]];
2178 if (!(__name[__pos] == *__beg))
2179 __matches[__i3] = __matches[--__nmatches];
2187 if (__nmatches == 1)
2189 // Make sure found name is completely extracted.
2191 __name = __names[__matches[0]];
2192 const size_t __len = __traits_type::length(__name);
2193 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2197 __member = __matches[0];
2199 __testvalid = false;
2202 __testvalid = false;
2204 __err |= ios_base::failbit;
2209 template<typename _CharT, typename _InIter>
2211 time_get<_CharT, _InIter>::
2212 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2213 ios_base::iostate& __err, tm* __tm) const
2215 const locale& __loc = __io._M_getloc();
2216 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2217 const char_type* __times[2];
2218 __tp._M_time_formats(__times);
2219 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2222 __err |= ios_base::eofbit;
2226 template<typename _CharT, typename _InIter>
2228 time_get<_CharT, _InIter>::
2229 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2230 ios_base::iostate& __err, tm* __tm) const
2232 const locale& __loc = __io._M_getloc();
2233 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2234 const char_type* __dates[2];
2235 __tp._M_date_formats(__dates);
2236 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2239 __err |= ios_base::eofbit;
2243 template<typename _CharT, typename _InIter>
2245 time_get<_CharT, _InIter>::
2246 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2247 ios_base::iostate& __err, tm* __tm) const
2249 typedef char_traits<_CharT> __traits_type;
2250 const locale& __loc = __io._M_getloc();
2251 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2252 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2253 const char_type* __days[7];
2254 __tp._M_days_abbreviated(__days);
2256 ios_base::iostate __tmperr = ios_base::goodbit;
2257 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2260 // Check to see if non-abbreviated name exists, and extract.
2261 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2262 // exact same order, first to last, such that the resulting
2263 // __days array with the same index points to a day, and that
2264 // day's abbreviated form.
2265 // NB: Also assumes that an abbreviated name is a subset of the name.
2266 if (!__tmperr && __beg != __end)
2268 size_t __pos = __traits_type::length(__days[__tmpwday]);
2269 __tp._M_days(__days);
2270 const char_type* __name = __days[__tmpwday];
2271 if (__name[__pos] == *__beg)
2273 // Extract the rest of it.
2274 const size_t __len = __traits_type::length(__name);
2275 while (__pos < __len && __beg != __end
2276 && __name[__pos] == *__beg)
2279 __tmperr |= ios_base::failbit;
2283 __tm->tm_wday = __tmpwday;
2285 __err |= ios_base::failbit;
2288 __err |= ios_base::eofbit;
2292 template<typename _CharT, typename _InIter>
2294 time_get<_CharT, _InIter>::
2295 do_get_monthname(iter_type __beg, iter_type __end,
2296 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2298 typedef char_traits<_CharT> __traits_type;
2299 const locale& __loc = __io._M_getloc();
2300 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2301 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2302 const char_type* __months[12];
2303 __tp._M_months_abbreviated(__months);
2305 ios_base::iostate __tmperr = ios_base::goodbit;
2306 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2309 // Check to see if non-abbreviated name exists, and extract.
2310 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2311 // exact same order, first to last, such that the resulting
2312 // __months array with the same index points to a month, and that
2313 // month's abbreviated form.
2314 // NB: Also assumes that an abbreviated name is a subset of the name.
2315 if (!__tmperr && __beg != __end)
2317 size_t __pos = __traits_type::length(__months[__tmpmon]);
2318 __tp._M_months(__months);
2319 const char_type* __name = __months[__tmpmon];
2320 if (__name[__pos] == *__beg)
2322 // Extract the rest of it.
2323 const size_t __len = __traits_type::length(__name);
2324 while (__pos < __len && __beg != __end
2325 && __name[__pos] == *__beg)
2328 __tmperr |= ios_base::failbit;
2332 __tm->tm_mon = __tmpmon;
2334 __err |= ios_base::failbit;
2337 __err |= ios_base::eofbit;
2341 template<typename _CharT, typename _InIter>
2343 time_get<_CharT, _InIter>::
2344 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2345 ios_base::iostate& __err, tm* __tm) const
2347 const locale& __loc = __io._M_getloc();
2348 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2352 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2354 const char __c = __ctype.narrow(*__beg, '*');
2355 if (__c >= '0' && __c <= '9')
2356 __value = __value * 10 + (__c - '0');
2360 if (__i == 2 || __i == 4)
2361 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2363 __err |= ios_base::failbit;
2366 __err |= ios_base::eofbit;
2370 template<typename _CharT, typename _OutIter>
2372 time_put<_CharT, _OutIter>::
2373 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2374 const _CharT* __beg, const _CharT* __end) const
2376 const locale& __loc = __io._M_getloc();
2377 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2378 for (; __beg != __end; ++__beg)
2379 if (__ctype.narrow(*__beg, 0) != '%')
2384 else if (++__beg != __end)
2388 const char __c = __ctype.narrow(*__beg, 0);
2389 if (__c != 'E' && __c != 'O')
2391 else if (++__beg != __end)
2394 __format = __ctype.narrow(*__beg, 0);
2398 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2405 template<typename _CharT, typename _OutIter>
2407 time_put<_CharT, _OutIter>::
2408 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2409 char __format, char __mod) const
2411 const locale& __loc = __io._M_getloc();
2412 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2413 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2415 // NB: This size is arbitrary. Should this be a data member,
2416 // initialized at construction?
2417 const size_t __maxlen = 128;
2419 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2421 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2422 // is possible that the format character will be longer than one
2423 // character. Possibilities include 'E' or 'O' followed by a
2424 // format character: if __mod is not the default argument, assume
2425 // it's a valid modifier.
2427 __fmt[0] = __ctype.widen('%');
2430 __fmt[1] = __format;
2431 __fmt[2] = char_type();
2436 __fmt[2] = __format;
2437 __fmt[3] = char_type();
2440 __tp._M_put(__res, __maxlen, __fmt, __tm);
2442 // Write resulting, fully-formatted string to output iterator.
2443 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2446 // Generic version does nothing.
2447 template<typename _CharT>
2449 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2452 // Generic version does nothing.
2453 template<typename _CharT>
2455 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2458 template<typename _CharT>
2461 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2462 const _CharT* __lo2, const _CharT* __hi2) const
2464 // strcoll assumes zero-terminated strings so we make a copy
2465 // and then put a zero at the end.
2466 const string_type __one(__lo1, __hi1);
2467 const string_type __two(__lo2, __hi2);
2469 const _CharT* __p = __one.c_str();
2470 const _CharT* __pend = __one.data() + __one.length();
2471 const _CharT* __q = __two.c_str();
2472 const _CharT* __qend = __two.data() + __two.length();
2474 // strcoll stops when it sees a nul character so we break
2475 // the strings into zero-terminated substrings and pass those
2479 const int __res = _M_compare(__p, __q);
2483 __p += char_traits<_CharT>::length(__p);
2484 __q += char_traits<_CharT>::length(__q);
2485 if (__p == __pend && __q == __qend)
2487 else if (__p == __pend)
2489 else if (__q == __qend)
2497 template<typename _CharT>
2498 typename collate<_CharT>::string_type
2500 do_transform(const _CharT* __lo, const _CharT* __hi) const
2502 // strxfrm assumes zero-terminated strings so we make a copy
2503 string_type __str(__lo, __hi);
2505 const _CharT* __p = __str.c_str();
2506 const _CharT* __pend = __str.data() + __str.length();
2508 size_t __len = (__hi - __lo) * 2;
2512 // strxfrm stops when it sees a nul character so we break
2513 // the string into zero-terminated substrings and pass those
2517 // First try a buffer perhaps big enough.
2519 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
2520 size_t __res = _M_transform(__c, __p, __len);
2521 // If the buffer was not large enough, try again with the
2526 __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
2528 __res = _M_transform(__c, __p, __len);
2531 __ret.append(__c, __res);
2532 __p += char_traits<_CharT>::length(__p);
2537 __ret.push_back(_CharT());
2541 template<typename _CharT>
2544 do_hash(const _CharT* __lo, const _CharT* __hi) const
2546 unsigned long __val = 0;
2547 for (; __lo < __hi; ++__lo)
2548 __val = *__lo + ((__val << 7) |
2549 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2550 return static_cast<long>(__val);
2553 // Construct correctly padded string, as per 22.2.2.2.2
2555 // __newlen > __oldlen
2556 // __news is allocated for __newlen size
2557 // Used by both num_put and ostream inserters: if __num,
2558 // internal-adjusted objects are padded according to the rules below
2559 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2562 // NB: Of the two parameters, _CharT can be deduced from the
2563 // function arguments. The other (_Traits) has to be explicitly specified.
2564 template<typename _CharT, typename _Traits>
2566 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2567 _CharT* __news, const _CharT* __olds,
2568 const streamsize __newlen,
2569 const streamsize __oldlen, const bool __num)
2571 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2572 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2575 if (__adjust == ios_base::left)
2577 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2578 _Traits::assign(__news + __oldlen, __plen, __fill);
2583 if (__adjust == ios_base::internal && __num)
2585 // Pad after the sign, if there is one.
2586 // Pad after 0[xX], if there is one.
2587 // Who came up with these rules, anyway? Jeeze.
2588 const locale& __loc = __io._M_getloc();
2589 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2591 const bool __testsign = (__ctype.widen('-') == __olds[0]
2592 || __ctype.widen('+') == __olds[0]);
2593 const bool __testhex = (__ctype.widen('0') == __olds[0]
2595 && (__ctype.widen('x') == __olds[1]
2596 || __ctype.widen('X') == __olds[1]));
2599 __news[0] = __olds[0];
2600 __news[1] = __olds[1];
2604 else if (__testsign)
2606 __news[0] = __olds[0];
2610 // else Padding first.
2612 _Traits::assign(__news, __plen, __fill);
2613 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2618 __verify_grouping(const char* __grouping, size_t __grouping_size,
2619 const string& __grouping_tmp)
2621 const size_t __n = __grouping_tmp.size() - 1;
2622 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2626 // Parsed number groupings have to match the
2627 // numpunct::grouping string exactly, starting at the
2628 // right-most point of the parsed sequence of elements ...
2629 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2630 __test = __grouping_tmp[__i] == __grouping[__j];
2631 for (; __i && __test; --__i)
2632 __test = __grouping_tmp[__i] == __grouping[__min];
2633 // ... but the first parsed grouping can be <= numpunct
2634 // grouping (only do the check if the numpunct char is > 0
2635 // because <= 0 means any size is ok).
2636 if (static_cast<signed char>(__grouping[__min]) > 0)
2637 __test &= __grouping_tmp[0] <= __grouping[__min];
2641 template<typename _CharT>
2643 __add_grouping(_CharT* __s, _CharT __sep,
2644 const char* __gbeg, size_t __gsize,
2645 const _CharT* __first, const _CharT* __last)
2647 if (__last - __first > *__gbeg
2648 && static_cast<signed char>(*__gbeg) > 0)
2650 const bool __bump = __gsize != 1;
2651 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2652 __gsize - __bump, __first,
2654 __first = __last - *__gbeg;
2658 *__s++ = *__first++;
2659 while (__first != __last);
2663 // Inhibit implicit instantiations for required instantiations,
2664 // which are defined via explicit instantiations elsewhere.
2665 // NB: This syntax is a GNU extension.
2666 #if _GLIBCXX_EXTERN_TEMPLATE
2667 extern template class moneypunct<char, false>;
2668 extern template class moneypunct<char, true>;
2669 extern template class moneypunct_byname<char, false>;
2670 extern template class moneypunct_byname<char, true>;
2671 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2672 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2673 extern template class numpunct<char>;
2674 extern template class numpunct_byname<char>;
2675 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2676 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2677 extern template class __timepunct<char>;
2678 extern template class time_put<char>;
2679 extern template class time_put_byname<char>;
2680 extern template class time_get<char>;
2681 extern template class time_get_byname<char>;
2682 extern template class messages<char>;
2683 extern template class messages_byname<char>;
2684 extern template class ctype_byname<char>;
2685 extern template class codecvt_byname<char, char, mbstate_t>;
2686 extern template class collate<char>;
2687 extern template class collate_byname<char>;
2690 const codecvt<char, char, mbstate_t>&
2691 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2694 const collate<char>&
2695 use_facet<collate<char> >(const locale&);
2698 const numpunct<char>&
2699 use_facet<numpunct<char> >(const locale&);
2702 const num_put<char>&
2703 use_facet<num_put<char> >(const locale&);
2706 const num_get<char>&
2707 use_facet<num_get<char> >(const locale&);
2710 const moneypunct<char, true>&
2711 use_facet<moneypunct<char, true> >(const locale&);
2714 const moneypunct<char, false>&
2715 use_facet<moneypunct<char, false> >(const locale&);
2718 const money_put<char>&
2719 use_facet<money_put<char> >(const locale&);
2722 const money_get<char>&
2723 use_facet<money_get<char> >(const locale&);
2726 const __timepunct<char>&
2727 use_facet<__timepunct<char> >(const locale&);
2730 const time_put<char>&
2731 use_facet<time_put<char> >(const locale&);
2734 const time_get<char>&
2735 use_facet<time_get<char> >(const locale&);
2738 const messages<char>&
2739 use_facet<messages<char> >(const locale&);
2743 has_facet<ctype<char> >(const locale&);
2747 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2751 has_facet<collate<char> >(const locale&);
2755 has_facet<numpunct<char> >(const locale&);
2759 has_facet<num_put<char> >(const locale&);
2763 has_facet<num_get<char> >(const locale&);
2767 has_facet<moneypunct<char> >(const locale&);
2771 has_facet<money_put<char> >(const locale&);
2775 has_facet<money_get<char> >(const locale&);
2779 has_facet<__timepunct<char> >(const locale&);
2783 has_facet<time_put<char> >(const locale&);
2787 has_facet<time_get<char> >(const locale&);
2791 has_facet<messages<char> >(const locale&);
2793 #ifdef _GLIBCXX_USE_WCHAR_T
2794 extern template class moneypunct<wchar_t, false>;
2795 extern template class moneypunct<wchar_t, true>;
2796 extern template class moneypunct_byname<wchar_t, false>;
2797 extern template class moneypunct_byname<wchar_t, true>;
2798 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2799 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2800 extern template class numpunct<wchar_t>;
2801 extern template class numpunct_byname<wchar_t>;
2802 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2803 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2804 extern template class __timepunct<wchar_t>;
2805 extern template class time_put<wchar_t>;
2806 extern template class time_put_byname<wchar_t>;
2807 extern template class time_get<wchar_t>;
2808 extern template class time_get_byname<wchar_t>;
2809 extern template class messages<wchar_t>;
2810 extern template class messages_byname<wchar_t>;
2811 extern template class ctype_byname<wchar_t>;
2812 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2813 extern template class collate<wchar_t>;
2814 extern template class collate_byname<wchar_t>;
2817 const codecvt<wchar_t, char, mbstate_t>&
2818 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2821 const collate<wchar_t>&
2822 use_facet<collate<wchar_t> >(const locale&);
2825 const numpunct<wchar_t>&
2826 use_facet<numpunct<wchar_t> >(const locale&);
2829 const num_put<wchar_t>&
2830 use_facet<num_put<wchar_t> >(const locale&);
2833 const num_get<wchar_t>&
2834 use_facet<num_get<wchar_t> >(const locale&);
2837 const moneypunct<wchar_t, true>&
2838 use_facet<moneypunct<wchar_t, true> >(const locale&);
2841 const moneypunct<wchar_t, false>&
2842 use_facet<moneypunct<wchar_t, false> >(const locale&);
2845 const money_put<wchar_t>&
2846 use_facet<money_put<wchar_t> >(const locale&);
2849 const money_get<wchar_t>&
2850 use_facet<money_get<wchar_t> >(const locale&);
2853 const __timepunct<wchar_t>&
2854 use_facet<__timepunct<wchar_t> >(const locale&);
2857 const time_put<wchar_t>&
2858 use_facet<time_put<wchar_t> >(const locale&);
2861 const time_get<wchar_t>&
2862 use_facet<time_get<wchar_t> >(const locale&);
2865 const messages<wchar_t>&
2866 use_facet<messages<wchar_t> >(const locale&);
2870 has_facet<ctype<wchar_t> >(const locale&);
2874 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2878 has_facet<collate<wchar_t> >(const locale&);
2882 has_facet<numpunct<wchar_t> >(const locale&);
2886 has_facet<num_put<wchar_t> >(const locale&);
2890 has_facet<num_get<wchar_t> >(const locale&);
2894 has_facet<moneypunct<wchar_t> >(const locale&);
2898 has_facet<money_put<wchar_t> >(const locale&);
2902 has_facet<money_get<wchar_t> >(const locale&);
2906 has_facet<__timepunct<wchar_t> >(const locale&);
2910 has_facet<time_put<wchar_t> >(const locale&);
2914 has_facet<time_get<wchar_t> >(const locale&);
2918 has_facet<messages<wchar_t> >(const locale&);
2922 _GLIBCXX_END_NAMESPACE