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>
44 #include <ext/type_traits.h>
46 _GLIBCXX_BEGIN_NAMESPACE(std)
48 template<typename _Facet>
50 locale::combine(const locale& __other) const
52 _Impl* __tmp = new _Impl(*_M_impl, 1);
55 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
59 __tmp->_M_remove_reference();
60 __throw_exception_again;
65 template<typename _CharT, typename _Traits, typename _Alloc>
67 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
68 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
70 typedef std::collate<_CharT> __collate_type;
71 const __collate_type& __collate = use_facet<__collate_type>(*this);
72 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
73 __s2.data(), __s2.data() + __s2.length()) < 0);
77 * @brief Test for the presence of a facet.
79 * has_facet tests the locale argument for the presence of the facet type
80 * provided as the template parameter. Facets derived from the facet
81 * parameter will also return true.
83 * @param Facet The facet type to test the presence of.
84 * @param locale The locale to test.
85 * @return true if locale contains a facet of type Facet, else false.
87 template<typename _Facet>
89 has_facet(const locale& __loc) throw()
91 const size_t __i = _Facet::id._M_id();
92 const locale::facet** __facets = __loc._M_impl->_M_facets;
93 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
97 * @brief Return a facet.
99 * use_facet looks for and returns a reference to a facet of type Facet
100 * where Facet is the template parameter. If has_facet(locale) is true,
101 * there is a suitable facet to return. It throws std::bad_cast if the
102 * locale doesn't contain a facet of type Facet.
104 * @param Facet The facet type to access.
105 * @param locale The locale to use.
106 * @return Reference to facet of type Facet.
107 * @throw std::bad_cast if locale doesn't contain a facet of type Facet.
109 template<typename _Facet>
111 use_facet(const locale& __loc)
113 const size_t __i = _Facet::id._M_id();
114 const locale::facet** __facets = __loc._M_impl->_M_facets;
115 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
117 return static_cast<const _Facet&>(*__facets[__i]);
120 // Routine to access a cache for the facet. If the cache didn't
121 // exist before, it gets constructed on the fly.
122 template<typename _Facet>
126 operator() (const locale& __loc) const;
130 template<typename _CharT>
131 struct __use_cache<__numpunct_cache<_CharT> >
133 const __numpunct_cache<_CharT>*
134 operator() (const locale& __loc) const
136 const size_t __i = numpunct<_CharT>::id._M_id();
137 const locale::facet** __caches = __loc._M_impl->_M_caches;
140 __numpunct_cache<_CharT>* __tmp = NULL;
143 __tmp = new __numpunct_cache<_CharT>;
144 __tmp->_M_cache(__loc);
149 __throw_exception_again;
151 __loc._M_impl->_M_install_cache(__tmp, __i);
153 return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
157 template<typename _CharT, bool _Intl>
158 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
160 const __moneypunct_cache<_CharT, _Intl>*
161 operator() (const locale& __loc) const
163 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
164 const locale::facet** __caches = __loc._M_impl->_M_caches;
167 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
170 __tmp = new __moneypunct_cache<_CharT, _Intl>;
171 __tmp->_M_cache(__loc);
176 __throw_exception_again;
178 __loc._M_impl->_M_install_cache(__tmp, __i);
181 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
185 template<typename _CharT>
187 __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
191 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
193 _M_grouping_size = __np.grouping().size();
194 char* __grouping = new char[_M_grouping_size];
195 __np.grouping().copy(__grouping, _M_grouping_size);
196 _M_grouping = __grouping;
197 _M_use_grouping = (_M_grouping_size
198 && static_cast<signed char>(__np.grouping()[0]) > 0);
200 _M_truename_size = __np.truename().size();
201 _CharT* __truename = new _CharT[_M_truename_size];
202 __np.truename().copy(__truename, _M_truename_size);
203 _M_truename = __truename;
205 _M_falsename_size = __np.falsename().size();
206 _CharT* __falsename = new _CharT[_M_falsename_size];
207 __np.falsename().copy(__falsename, _M_falsename_size);
208 _M_falsename = __falsename;
210 _M_decimal_point = __np.decimal_point();
211 _M_thousands_sep = __np.thousands_sep();
213 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
214 __ct.widen(__num_base::_S_atoms_out,
215 __num_base::_S_atoms_out + __num_base::_S_oend, _M_atoms_out);
216 __ct.widen(__num_base::_S_atoms_in,
217 __num_base::_S_atoms_in + __num_base::_S_iend, _M_atoms_in);
220 template<typename _CharT, bool _Intl>
222 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
226 const moneypunct<_CharT, _Intl>& __mp =
227 use_facet<moneypunct<_CharT, _Intl> >(__loc);
229 _M_grouping_size = __mp.grouping().size();
230 char* __grouping = new char[_M_grouping_size];
231 __mp.grouping().copy(__grouping, _M_grouping_size);
232 _M_grouping = __grouping;
233 _M_use_grouping = (_M_grouping_size
234 && static_cast<signed char>(__mp.grouping()[0]) > 0);
236 _M_decimal_point = __mp.decimal_point();
237 _M_thousands_sep = __mp.thousands_sep();
238 _M_frac_digits = __mp.frac_digits();
240 _M_curr_symbol_size = __mp.curr_symbol().size();
241 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
242 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
243 _M_curr_symbol = __curr_symbol;
245 _M_positive_sign_size = __mp.positive_sign().size();
246 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
247 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
248 _M_positive_sign = __positive_sign;
250 _M_negative_sign_size = __mp.negative_sign().size();
251 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
252 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
253 _M_negative_sign = __negative_sign;
255 _M_pos_format = __mp.pos_format();
256 _M_neg_format = __mp.neg_format();
258 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
259 __ct.widen(money_base::_S_atoms,
260 money_base::_S_atoms + money_base::_S_end, _M_atoms);
264 // Used by both numeric and monetary facets.
265 // Check to make sure that the __grouping_tmp string constructed in
266 // money_get or num_get matches the canonical grouping for a given
268 // __grouping_tmp is parsed L to R
269 // 1,222,444 == __grouping_tmp of "\1\3\3"
270 // __grouping is parsed R to L
271 // 1,222,444 == __grouping of "\3" == "\3\3\3"
273 __verify_grouping(const char* __grouping, size_t __grouping_size,
274 const string& __grouping_tmp);
276 _GLIBCXX_BEGIN_LDBL_NAMESPACE
278 template<typename _CharT, typename _InIter>
280 num_get<_CharT, _InIter>::
281 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
282 ios_base::iostate& __err, string& __xtrc) const
284 typedef char_traits<_CharT> __traits_type;
285 typedef __numpunct_cache<_CharT> __cache_type;
286 __use_cache<__cache_type> __uc;
287 const locale& __loc = __io._M_getloc();
288 const __cache_type* __lc = __uc(__loc);
289 const _CharT* __lit = __lc->_M_atoms_in;
290 char_type __c = char_type();
292 // True if __beg becomes equal to __end.
293 bool __testeof = __beg == __end;
295 // First check for sign.
299 const bool __plus = __c == __lit[__num_base::_S_iplus];
300 if ((__plus || __c == __lit[__num_base::_S_iminus])
301 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
302 && !(__c == __lc->_M_decimal_point))
304 __xtrc += __plus ? '+' : '-';
305 if (++__beg != __end)
312 // Next, look for leading zeros.
313 bool __found_mantissa = false;
317 if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
318 || __c == __lc->_M_decimal_point)
320 else if (__c == __lit[__num_base::_S_izero])
322 if (!__found_mantissa)
325 __found_mantissa = true;
329 if (++__beg != __end)
338 // Only need acceptable digits for floating point numbers.
339 bool __found_dec = false;
340 bool __found_sci = false;
341 string __found_grouping;
342 if (__lc->_M_use_grouping)
343 __found_grouping.reserve(32);
344 const char_type* __lit_zero = __lit + __num_base::_S_izero;
346 if (!__lc->_M_allocated)
350 const int __digit = _M_find(__lit_zero, 10, __c);
353 __xtrc += '0' + __digit;
354 __found_mantissa = true;
356 else if (__c == __lc->_M_decimal_point
357 && !__found_dec && !__found_sci)
362 else if ((__c == __lit[__num_base::_S_ie]
363 || __c == __lit[__num_base::_S_iE])
364 && !__found_sci && __found_mantissa)
366 // Scientific notation.
370 // Remove optional plus or minus sign, if they exist.
371 if (++__beg != __end)
374 const bool __plus = __c == __lit[__num_base::_S_iplus];
375 if (__plus || __c == __lit[__num_base::_S_iminus])
376 __xtrc += __plus ? '+' : '-';
389 if (++__beg != __end)
397 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
398 // and decimal_point.
399 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
401 if (!__found_dec && !__found_sci)
403 // NB: Thousands separator at the beginning of a string
404 // is a no-no, as is two consecutive thousands separators.
407 __found_grouping += static_cast<char>(__sep_pos);
412 // NB: __convert_to_v will not assign __v and will
421 else if (__c == __lc->_M_decimal_point)
423 if (!__found_dec && !__found_sci)
425 // If no grouping chars are seen, no grouping check
426 // is applied. Therefore __found_grouping is adjusted
427 // only if decimal_point comes after some thousands_sep.
428 if (__found_grouping.size())
429 __found_grouping += static_cast<char>(__sep_pos);
438 const char_type* __q =
439 __traits_type::find(__lit_zero, 10, __c);
442 __xtrc += '0' + (__q - __lit_zero);
443 __found_mantissa = true;
446 else if ((__c == __lit[__num_base::_S_ie]
447 || __c == __lit[__num_base::_S_iE])
448 && !__found_sci && __found_mantissa)
450 // Scientific notation.
451 if (__found_grouping.size() && !__found_dec)
452 __found_grouping += static_cast<char>(__sep_pos);
456 // Remove optional plus or minus sign, if they exist.
457 if (++__beg != __end)
460 const bool __plus = __c == __lit[__num_base::_S_iplus];
461 if ((__plus || __c == __lit[__num_base::_S_iminus])
462 && !(__lc->_M_use_grouping
463 && __c == __lc->_M_thousands_sep)
464 && !(__c == __lc->_M_decimal_point))
465 __xtrc += __plus ? '+' : '-';
479 if (++__beg != __end)
485 // Digit grouping is checked. If grouping and found_grouping don't
486 // match, then get very very upset, and set failbit.
487 if (__found_grouping.size())
489 // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
490 if (!__found_dec && !__found_sci)
491 __found_grouping += static_cast<char>(__sep_pos);
493 if (!std::__verify_grouping(__lc->_M_grouping,
494 __lc->_M_grouping_size,
496 __err |= ios_base::failbit;
501 __err |= ios_base::eofbit;
505 _GLIBCXX_END_LDBL_NAMESPACE
507 _GLIBCXX_BEGIN_LDBL_NAMESPACE
509 template<typename _CharT, typename _InIter>
510 template<typename _ValueT>
512 num_get<_CharT, _InIter>::
513 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
514 ios_base::iostate& __err, _ValueT& __v) const
516 typedef char_traits<_CharT> __traits_type;
517 using __gnu_cxx::__add_unsigned;
518 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
519 typedef __numpunct_cache<_CharT> __cache_type;
520 __use_cache<__cache_type> __uc;
521 const locale& __loc = __io._M_getloc();
522 const __cache_type* __lc = __uc(__loc);
523 const _CharT* __lit = __lc->_M_atoms_in;
524 char_type __c = char_type();
526 // NB: Iff __basefield == 0, __base can change based on contents.
527 const ios_base::fmtflags __basefield = __io.flags()
528 & ios_base::basefield;
529 const bool __oct = __basefield == ios_base::oct;
530 int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
532 // True if __beg becomes equal to __end.
533 bool __testeof = __beg == __end;
535 // First check for sign.
536 bool __negative = false;
540 if (numeric_limits<_ValueT>::is_signed)
541 __negative = __c == __lit[__num_base::_S_iminus];
542 if ((__negative || __c == __lit[__num_base::_S_iplus])
543 && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
544 && !(__c == __lc->_M_decimal_point))
546 if (++__beg != __end)
553 // Next, look for leading zeros and check required digits
555 bool __found_zero = false;
559 if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
560 || __c == __lc->_M_decimal_point)
562 else if (__c == __lit[__num_base::_S_izero]
563 && (!__found_zero || __base == 10))
567 if (__basefield == 0)
572 else if (__found_zero
573 && (__c == __lit[__num_base::_S_ix]
574 || __c == __lit[__num_base::_S_iX]))
576 if (__basefield == 0)
580 __found_zero = false;
589 if (++__beg != __end)
599 // At this point, base is determined. If not hex, only allow
600 // base digits as valid input.
601 const size_t __len = (__base == 16 ? __num_base::_S_iend
602 - __num_base::_S_izero : __base);
605 string __found_grouping;
606 if (__lc->_M_use_grouping)
607 __found_grouping.reserve(32);
608 bool __testfail = false;
609 const __unsigned_type __max = __negative ?
610 -numeric_limits<_ValueT>::min() : numeric_limits<_ValueT>::max();
611 const __unsigned_type __smax = __max / __base;
612 __unsigned_type __result = 0;
614 const char_type* __lit_zero = __lit + __num_base::_S_izero;
616 if (!__lc->_M_allocated)
620 __digit = _M_find(__lit_zero, __len, __c);
624 if (__result > __smax)
629 __testfail |= __result > __max - __digit;
634 if (++__beg != __end)
642 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
643 // and decimal_point.
644 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
646 // NB: Thousands separator at the beginning of a string
647 // is a no-no, as is two consecutive thousands separators.
650 __found_grouping += static_cast<char>(__sep_pos);
659 else if (__c == __lc->_M_decimal_point)
663 const char_type* __q =
664 __traits_type::find(__lit_zero, __len, __c);
668 __digit = __q - __lit_zero;
671 if (__result > __smax)
676 __testfail |= __result > __max - __digit;
682 if (++__beg != __end)
688 // Digit grouping is checked. If grouping and found_grouping don't
689 // match, then get very very upset, and set failbit.
690 if (__found_grouping.size())
692 // Add the ending grouping.
693 __found_grouping += static_cast<char>(__sep_pos);
695 if (!std::__verify_grouping(__lc->_M_grouping,
696 __lc->_M_grouping_size,
698 __err |= ios_base::failbit;
701 if (!__testfail && (__sep_pos || __found_zero
702 || __found_grouping.size()))
703 __v = __negative ? -__result : __result;
705 __err |= ios_base::failbit;
708 __err |= ios_base::eofbit;
712 // _GLIBCXX_RESOLVE_LIB_DEFECTS
713 // 17. Bad bool parsing
714 template<typename _CharT, typename _InIter>
716 num_get<_CharT, _InIter>::
717 do_get(iter_type __beg, iter_type __end, ios_base& __io,
718 ios_base::iostate& __err, bool& __v) const
720 if (!(__io.flags() & ios_base::boolalpha))
722 // Parse bool values as long.
723 // NB: We can't just call do_get(long) here, as it might
724 // refer to a derived class.
726 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
727 if (__l == 0 || __l == 1)
730 __err |= ios_base::failbit;
734 // Parse bool values as alphanumeric.
735 typedef __numpunct_cache<_CharT> __cache_type;
736 __use_cache<__cache_type> __uc;
737 const locale& __loc = __io._M_getloc();
738 const __cache_type* __lc = __uc(__loc);
743 bool __testeof = __beg == __end;
744 for (__n = 0; !__testeof; ++__n)
746 const char_type __c = *__beg;
750 if (__n < __lc->_M_falsename_size)
751 __testf = __c == __lc->_M_falsename[__n];
758 if (__n < __lc->_M_truename_size)
759 __testt = __c == __lc->_M_truename[__n];
764 if (!__testf && !__testt)
767 if (++__beg == __end)
770 if (__testf && __n == __lc->_M_falsename_size)
772 else if (__testt && __n == __lc->_M_truename_size)
775 __err |= ios_base::failbit;
778 __err |= ios_base::eofbit;
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, long& __v) const
788 { return _M_extract_int(__beg, __end, __io, __err, __v); }
790 template<typename _CharT, typename _InIter>
792 num_get<_CharT, _InIter>::
793 do_get(iter_type __beg, iter_type __end, ios_base& __io,
794 ios_base::iostate& __err, unsigned short& __v) const
795 { return _M_extract_int(__beg, __end, __io, __err, __v); }
797 template<typename _CharT, typename _InIter>
799 num_get<_CharT, _InIter>::
800 do_get(iter_type __beg, iter_type __end, ios_base& __io,
801 ios_base::iostate& __err, unsigned int& __v) const
802 { return _M_extract_int(__beg, __end, __io, __err, __v); }
804 template<typename _CharT, typename _InIter>
806 num_get<_CharT, _InIter>::
807 do_get(iter_type __beg, iter_type __end, ios_base& __io,
808 ios_base::iostate& __err, unsigned long& __v) const
809 { return _M_extract_int(__beg, __end, __io, __err, __v); }
811 #ifdef _GLIBCXX_USE_LONG_LONG
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, long long& __v) const
817 { return _M_extract_int(__beg, __end, __io, __err, __v); }
819 template<typename _CharT, typename _InIter>
821 num_get<_CharT, _InIter>::
822 do_get(iter_type __beg, iter_type __end, ios_base& __io,
823 ios_base::iostate& __err, unsigned long long& __v) const
824 { 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, float& __v) const
835 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
836 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
840 template<typename _CharT, typename _InIter>
842 num_get<_CharT, _InIter>::
843 do_get(iter_type __beg, iter_type __end, ios_base& __io,
844 ios_base::iostate& __err, double& __v) const
848 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
849 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
853 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
854 template<typename _CharT, typename _InIter>
856 num_get<_CharT, _InIter>::
857 __do_get(iter_type __beg, iter_type __end, ios_base& __io,
858 ios_base::iostate& __err, double& __v) const
862 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
863 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
868 template<typename _CharT, typename _InIter>
870 num_get<_CharT, _InIter>::
871 do_get(iter_type __beg, iter_type __end, ios_base& __io,
872 ios_base::iostate& __err, long double& __v) const
876 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
877 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
881 template<typename _CharT, typename _InIter>
883 num_get<_CharT, _InIter>::
884 do_get(iter_type __beg, iter_type __end, ios_base& __io,
885 ios_base::iostate& __err, void*& __v) const
887 // Prepare for hex formatted input.
888 typedef ios_base::fmtflags fmtflags;
889 const fmtflags __fmt = __io.flags();
890 __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
893 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
895 // Reset from hex formatted input.
898 if (!(__err & ios_base::failbit))
899 __v = reinterpret_cast<void*>(__ul);
903 // For use by integer and floating-point types after they have been
904 // converted into a char_type string.
905 template<typename _CharT, typename _OutIter>
907 num_put<_CharT, _OutIter>::
908 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
909 _CharT* __new, const _CharT* __cs, int& __len) const
911 // [22.2.2.2.2] Stage 3.
912 // If necessary, pad.
913 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
915 __len = static_cast<int>(__w);
918 _GLIBCXX_END_LDBL_NAMESPACE
920 template<typename _CharT, typename _ValueT>
922 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
923 ios_base::fmtflags __flags, bool __dec)
925 _CharT* __buf = __bufend;
926 if (__builtin_expect(__dec, true))
931 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
936 else if ((__flags & ios_base::basefield) == ios_base::oct)
941 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
949 const bool __uppercase = __flags & ios_base::uppercase;
950 const int __case_offset = __uppercase ? __num_base::_S_oudigits
951 : __num_base::_S_odigits;
954 *--__buf = __lit[(__v & 0xf) + __case_offset];
959 return __bufend - __buf;
962 _GLIBCXX_BEGIN_LDBL_NAMESPACE
964 template<typename _CharT, typename _OutIter>
966 num_put<_CharT, _OutIter>::
967 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
968 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
970 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
971 __grouping_size, __cs, __cs + __len);
975 template<typename _CharT, typename _OutIter>
976 template<typename _ValueT>
978 num_put<_CharT, _OutIter>::
979 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
982 using __gnu_cxx::__add_unsigned;
983 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
984 typedef __numpunct_cache<_CharT> __cache_type;
985 __use_cache<__cache_type> __uc;
986 const locale& __loc = __io._M_getloc();
987 const __cache_type* __lc = __uc(__loc);
988 const _CharT* __lit = __lc->_M_atoms_out;
989 const ios_base::fmtflags __flags = __io.flags();
991 // Long enough to hold hex, dec, and octal representations.
992 const int __ilen = 5 * sizeof(_ValueT);
993 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
996 // [22.2.2.2.2] Stage 1, numeric conversion to character.
997 // Result is returned right-justified in the buffer.
998 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
999 const bool __dec = (__basefield != ios_base::oct
1000 && __basefield != ios_base::hex);
1001 const __unsigned_type __u = ((__v > 0 || !__dec)
1002 ? __unsigned_type(__v)
1003 : -__unsigned_type(__v));
1004 int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
1005 __cs += __ilen - __len;
1007 // Add grouping, if necessary.
1008 if (__lc->_M_use_grouping)
1010 // Grouping can add (almost) as many separators as the number
1011 // of digits + space is reserved for numeric base or sign.
1012 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1015 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1016 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1020 // Complete Stage 1, prepend numeric base or sign.
1021 if (__builtin_expect(__dec, true))
1026 if (__flags & ios_base::showpos
1027 && numeric_limits<_ValueT>::is_signed)
1028 *--__cs = __lit[__num_base::_S_oplus], ++__len;
1031 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1033 else if (__flags & ios_base::showbase && __v)
1035 if (__basefield == ios_base::oct)
1036 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1040 const bool __uppercase = __flags & ios_base::uppercase;
1041 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1043 *--__cs = __lit[__num_base::_S_odigits];
1049 const streamsize __w = __io.width();
1050 if (__w > static_cast<streamsize>(__len))
1052 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1054 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1059 // [22.2.2.2.2] Stage 4.
1060 // Write resulting, fully-formatted string to output iterator.
1061 return std::__write(__s, __cs, __len);
1064 template<typename _CharT, typename _OutIter>
1066 num_put<_CharT, _OutIter>::
1067 _M_group_float(const char* __grouping, size_t __grouping_size,
1068 _CharT __sep, const _CharT* __p, _CharT* __new,
1069 _CharT* __cs, int& __len) const
1071 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1072 // 282. What types does numpunct grouping refer to?
1073 // Add grouping, if necessary.
1074 const int __declen = __p ? __p - __cs : __len;
1075 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1077 __cs, __cs + __declen);
1079 // Tack on decimal part.
1080 int __newlen = __p2 - __new;
1083 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1084 __newlen += __len - __declen;
1089 // The following code uses vsnprintf (or vsprintf(), when
1090 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1091 // for insertion into a stream. An optimization would be to replace
1092 // them with code that works directly on a wide buffer and then use
1093 // __pad to do the padding. It would be good to replace them anyway
1094 // to gain back the efficiency that C++ provides by knowing up front
1095 // the type of the values to insert. Also, sprintf is dangerous
1096 // since may lead to accidental buffer overruns. This
1097 // implementation follows the C++ standard fairly directly as
1098 // outlined in 22.2.2.2 [lib.locale.num.put]
1099 template<typename _CharT, typename _OutIter>
1100 template<typename _ValueT>
1102 num_put<_CharT, _OutIter>::
1103 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1106 typedef __numpunct_cache<_CharT> __cache_type;
1107 __use_cache<__cache_type> __uc;
1108 const locale& __loc = __io._M_getloc();
1109 const __cache_type* __lc = __uc(__loc);
1111 // Use default precision if out of range.
1112 const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
1114 const int __max_digits = numeric_limits<_ValueT>::digits10;
1116 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1118 // Long enough for the max format spec.
1120 __num_base::_S_format_float(__io, __fbuf, __mod);
1122 #ifdef _GLIBCXX_USE_C99
1123 // First try a buffer perhaps big enough (most probably sufficient
1124 // for non-ios_base::fixed outputs)
1125 int __cs_size = __max_digits * 3;
1126 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1127 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1128 __fbuf, __prec, __v);
1130 // If the buffer was not large enough, try again with the correct size.
1131 if (__len >= __cs_size)
1133 __cs_size = __len + 1;
1134 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1135 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1136 __fbuf, __prec, __v);
1139 // Consider the possibility of long ios_base::fixed outputs
1140 const bool __fixed = __io.flags() & ios_base::fixed;
1141 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1143 // The size of the output string is computed as follows.
1144 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1145 // for the integer part + __prec chars for the fractional part
1146 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1147 // for non-fixed outputs __max_digits * 2 + __prec chars are
1148 // largely sufficient.
1149 const int __cs_size = __fixed ? __max_exp + __prec + 4
1150 : __max_digits * 2 + __prec;
1151 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1152 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1156 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1157 // numpunct.decimal_point() values for '.' and adding grouping.
1158 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1160 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1162 __ctype.widen(__cs, __cs + __len, __ws);
1164 // Replace decimal point.
1166 const char* __p = char_traits<char>::find(__cs, __len, '.');
1169 __wp = __ws + (__p - __cs);
1170 *__wp = __lc->_M_decimal_point;
1173 // Add grouping, if necessary.
1174 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1175 // point, scientific notation.
1176 if (__lc->_M_use_grouping
1177 && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1178 && __cs[1] >= '0' && __cs[2] >= '0')))
1180 // Grouping can add (almost) as many separators as the
1181 // number of digits, but no more.
1182 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1185 streamsize __off = 0;
1186 if (__cs[0] == '-' || __cs[0] == '+')
1193 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1194 __lc->_M_thousands_sep, __wp, __ws2 + __off,
1195 __ws + __off, __len);
1202 const streamsize __w = __io.width();
1203 if (__w > static_cast<streamsize>(__len))
1205 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1207 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1212 // [22.2.2.2.2] Stage 4.
1213 // Write resulting, fully-formatted string to output iterator.
1214 return std::__write(__s, __ws, __len);
1217 template<typename _CharT, typename _OutIter>
1219 num_put<_CharT, _OutIter>::
1220 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1222 const ios_base::fmtflags __flags = __io.flags();
1223 if ((__flags & ios_base::boolalpha) == 0)
1225 const long __l = __v;
1226 __s = _M_insert_int(__s, __io, __fill, __l);
1230 typedef __numpunct_cache<_CharT> __cache_type;
1231 __use_cache<__cache_type> __uc;
1232 const locale& __loc = __io._M_getloc();
1233 const __cache_type* __lc = __uc(__loc);
1235 const _CharT* __name = __v ? __lc->_M_truename
1236 : __lc->_M_falsename;
1237 int __len = __v ? __lc->_M_truename_size
1238 : __lc->_M_falsename_size;
1240 const streamsize __w = __io.width();
1241 if (__w > static_cast<streamsize>(__len))
1244 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1246 _M_pad(__fill, __w, __io, __cs, __name, __len);
1250 __s = std::__write(__s, __name, __len);
1255 template<typename _CharT, typename _OutIter>
1257 num_put<_CharT, _OutIter>::
1258 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1259 { return _M_insert_int(__s, __io, __fill, __v); }
1261 template<typename _CharT, typename _OutIter>
1263 num_put<_CharT, _OutIter>::
1264 do_put(iter_type __s, ios_base& __io, char_type __fill,
1265 unsigned long __v) const
1266 { return _M_insert_int(__s, __io, __fill, __v); }
1268 #ifdef _GLIBCXX_USE_LONG_LONG
1269 template<typename _CharT, typename _OutIter>
1271 num_put<_CharT, _OutIter>::
1272 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1273 { return _M_insert_int(__s, __io, __fill, __v); }
1275 template<typename _CharT, typename _OutIter>
1277 num_put<_CharT, _OutIter>::
1278 do_put(iter_type __s, ios_base& __io, char_type __fill,
1279 unsigned long long __v) const
1280 { return _M_insert_int(__s, __io, __fill, __v); }
1283 template<typename _CharT, typename _OutIter>
1285 num_put<_CharT, _OutIter>::
1286 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1287 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1289 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1290 template<typename _CharT, typename _OutIter>
1292 num_put<_CharT, _OutIter>::
1293 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1294 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1297 template<typename _CharT, typename _OutIter>
1299 num_put<_CharT, _OutIter>::
1300 do_put(iter_type __s, ios_base& __io, char_type __fill,
1301 long double __v) const
1302 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1304 template<typename _CharT, typename _OutIter>
1306 num_put<_CharT, _OutIter>::
1307 do_put(iter_type __s, ios_base& __io, char_type __fill,
1308 const void* __v) const
1310 const ios_base::fmtflags __flags = __io.flags();
1311 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1312 | ios_base::uppercase
1313 | ios_base::internal);
1314 __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase));
1316 __s = _M_insert_int(__s, __io, __fill,
1317 reinterpret_cast<unsigned long>(__v));
1318 __io.flags(__flags);
1322 template<typename _CharT, typename _InIter>
1323 template<bool _Intl>
1325 money_get<_CharT, _InIter>::
1326 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1327 ios_base::iostate& __err, string& __units) const
1329 typedef char_traits<_CharT> __traits_type;
1330 typedef typename string_type::size_type size_type;
1331 typedef money_base::part part;
1332 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1334 const locale& __loc = __io._M_getloc();
1335 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1337 __use_cache<__cache_type> __uc;
1338 const __cache_type* __lc = __uc(__loc);
1339 const char_type* __lit = __lc->_M_atoms;
1342 bool __negative = false;
1344 size_type __sign_size = 0;
1345 // True if sign is mandatory.
1346 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1347 && __lc->_M_negative_sign_size);
1348 // String of grouping info from thousands_sep plucked from __units.
1349 string __grouping_tmp;
1350 if (__lc->_M_use_grouping)
1351 __grouping_tmp.reserve(32);
1352 // Last position before the decimal point.
1354 // Separator positions, then, possibly, fractional digits.
1356 // If input iterator is in a valid state.
1357 bool __testvalid = true;
1358 // Flag marking when a decimal point is found.
1359 bool __testdecfound = false;
1361 // The tentative returned string is stored here.
1365 const char_type* __lit_zero = __lit + money_base::_S_zero;
1366 const money_base::pattern __p = __lc->_M_neg_format;
1367 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1369 const part __which = static_cast<part>(__p.field[__i]);
1372 case money_base::symbol:
1373 // According to 22.2.6.1.2, p2, symbol is required
1374 // if (__io.flags() & ios_base::showbase), otherwise
1375 // is optional and consumed only if other characters
1376 // are needed to complete the format.
1377 if (__io.flags() & ios_base::showbase || __sign_size > 1
1379 || (__i == 1 && (__mandatory_sign
1380 || (static_cast<part>(__p.field[0])
1381 == money_base::sign)
1382 || (static_cast<part>(__p.field[2])
1383 == money_base::space)))
1384 || (__i == 2 && ((static_cast<part>(__p.field[3])
1385 == money_base::value)
1386 || (__mandatory_sign
1387 && (static_cast<part>(__p.field[3])
1388 == money_base::sign)))))
1390 const size_type __len = __lc->_M_curr_symbol_size;
1392 for (; __beg != __end && __j < __len
1393 && *__beg == __lc->_M_curr_symbol[__j];
1396 && (__j || __io.flags() & ios_base::showbase))
1397 __testvalid = false;
1400 case money_base::sign:
1401 // Sign might not exist, or be more than one character long.
1402 if (__lc->_M_positive_sign_size && __beg != __end
1403 && *__beg == __lc->_M_positive_sign[0])
1405 __sign_size = __lc->_M_positive_sign_size;
1408 else if (__lc->_M_negative_sign_size && __beg != __end
1409 && *__beg == __lc->_M_negative_sign[0])
1412 __sign_size = __lc->_M_negative_sign_size;
1415 else if (__lc->_M_positive_sign_size
1416 && !__lc->_M_negative_sign_size)
1417 // "... if no sign is detected, the result is given the sign
1418 // that corresponds to the source of the empty string"
1420 else if (__mandatory_sign)
1421 __testvalid = false;
1423 case money_base::value:
1424 // Extract digits, remove and stash away the
1425 // grouping of found thousands separators.
1426 for (; __beg != __end; ++__beg)
1428 const char_type __c = *__beg;
1429 const char_type* __q = __traits_type::find(__lit_zero,
1433 __res += money_base::_S_atoms[__q - __lit];
1436 else if (__c == __lc->_M_decimal_point
1441 __testdecfound = true;
1443 else if (__lc->_M_use_grouping
1444 && __c == __lc->_M_thousands_sep
1449 // Mark position for later analysis.
1450 __grouping_tmp += static_cast<char>(__n);
1455 __testvalid = false;
1463 __testvalid = false;
1465 case money_base::space:
1466 // At least one space is required.
1467 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1470 __testvalid = false;
1471 case money_base::none:
1472 // Only if not at the end of the pattern.
1474 for (; __beg != __end
1475 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1480 // Need to get the rest of the sign characters, if they exist.
1481 if (__sign_size > 1 && __testvalid)
1483 const char_type* __sign = __negative ? __lc->_M_negative_sign
1484 : __lc->_M_positive_sign;
1486 for (; __beg != __end && __i < __sign_size
1487 && *__beg == __sign[__i]; ++__beg, ++__i);
1489 if (__i != __sign_size)
1490 __testvalid = false;
1495 // Strip leading zeros.
1496 if (__res.size() > 1)
1498 const size_type __first = __res.find_first_not_of('0');
1499 const bool __only_zeros = __first == string::npos;
1501 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1505 if (__negative && __res[0] != '0')
1506 __res.insert(__res.begin(), '-');
1508 // Test for grouping fidelity.
1509 if (__grouping_tmp.size())
1511 // Add the ending grouping.
1512 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1514 if (!std::__verify_grouping(__lc->_M_grouping,
1515 __lc->_M_grouping_size,
1517 __err |= ios_base::failbit;
1520 // Iff not enough digits were supplied after the decimal-point.
1521 if (__testdecfound && __lc->_M_frac_digits > 0
1522 && __n != __lc->_M_frac_digits)
1523 __testvalid = false;
1526 // Iff valid sequence is not recognized.
1528 __err |= ios_base::failbit;
1530 __units.swap(__res);
1532 // Iff no more characters are available.
1534 __err |= ios_base::eofbit;
1538 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1539 template<typename _CharT, typename _InIter>
1541 money_get<_CharT, _InIter>::
1542 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1543 ios_base::iostate& __err, double& __units) const
1546 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1547 : _M_extract<false>(__beg, __end, __io, __err, __str);
1548 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1553 template<typename _CharT, typename _InIter>
1555 money_get<_CharT, _InIter>::
1556 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1557 ios_base::iostate& __err, long double& __units) const
1560 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1561 : _M_extract<false>(__beg, __end, __io, __err, __str);
1562 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1566 template<typename _CharT, typename _InIter>
1568 money_get<_CharT, _InIter>::
1569 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1570 ios_base::iostate& __err, string_type& __digits) const
1572 typedef typename string::size_type size_type;
1574 const locale& __loc = __io._M_getloc();
1575 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1578 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1579 : _M_extract<false>(__beg, __end, __io, __err, __str);
1580 const size_type __len = __str.size();
1583 __digits.resize(__len);
1584 __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
1589 template<typename _CharT, typename _OutIter>
1590 template<bool _Intl>
1592 money_put<_CharT, _OutIter>::
1593 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1594 const string_type& __digits) const
1596 typedef typename string_type::size_type size_type;
1597 typedef money_base::part part;
1598 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1600 const locale& __loc = __io._M_getloc();
1601 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1603 __use_cache<__cache_type> __uc;
1604 const __cache_type* __lc = __uc(__loc);
1605 const char_type* __lit = __lc->_M_atoms;
1607 // Determine if negative or positive formats are to be used, and
1608 // discard leading negative_sign if it is present.
1609 const char_type* __beg = __digits.data();
1611 money_base::pattern __p;
1612 const char_type* __sign;
1613 size_type __sign_size;
1614 if (!(*__beg == __lit[money_base::_S_minus]))
1616 __p = __lc->_M_pos_format;
1617 __sign = __lc->_M_positive_sign;
1618 __sign_size = __lc->_M_positive_sign_size;
1622 __p = __lc->_M_neg_format;
1623 __sign = __lc->_M_negative_sign;
1624 __sign_size = __lc->_M_negative_sign_size;
1625 if (__digits.size())
1629 // Look for valid numbers in the ctype facet within input digits.
1630 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1631 __beg + __digits.size()) - __beg;
1634 // Assume valid input, and attempt to format.
1635 // Break down input numbers into base components, as follows:
1636 // final_value = grouped units + (decimal point) + (digits)
1637 string_type __value;
1638 __value.reserve(2 * __len);
1640 // Add thousands separators to non-decimal digits, per
1642 long __paddec = __len - __lc->_M_frac_digits;
1645 if (__lc->_M_frac_digits < 0)
1647 if (__lc->_M_grouping_size)
1649 __value.assign(2 * __paddec, char_type());
1651 std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
1653 __lc->_M_grouping_size,
1654 __beg, __beg + __paddec);
1655 __value.erase(__vend - &__value[0]);
1658 __value.assign(__beg, __paddec);
1661 // Deal with decimal point, decimal digits.
1662 if (__lc->_M_frac_digits > 0)
1664 __value += __lc->_M_decimal_point;
1666 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1669 // Have to pad zeros in the decimal position.
1670 __value.append(-__paddec, __lit[money_base::_S_zero]);
1671 __value.append(__beg, __len);
1675 // Calculate length of resulting string.
1676 const ios_base::fmtflags __f = __io.flags()
1677 & ios_base::adjustfield;
1678 __len = __value.size() + __sign_size;
1679 __len += ((__io.flags() & ios_base::showbase)
1680 ? __lc->_M_curr_symbol_size : 0);
1683 __res.reserve(2 * __len);
1685 const size_type __width = static_cast<size_type>(__io.width());
1686 const bool __testipad = (__f == ios_base::internal
1687 && __len < __width);
1688 // Fit formatted digits into the required pattern.
1689 for (int __i = 0; __i < 4; ++__i)
1691 const part __which = static_cast<part>(__p.field[__i]);
1694 case money_base::symbol:
1695 if (__io.flags() & ios_base::showbase)
1696 __res.append(__lc->_M_curr_symbol,
1697 __lc->_M_curr_symbol_size);
1699 case money_base::sign:
1700 // Sign might not exist, or be more than one
1701 // charater long. In that case, add in the rest
1706 case money_base::value:
1709 case money_base::space:
1710 // At least one space is required, but if internal
1711 // formatting is required, an arbitrary number of
1712 // fill spaces will be necessary.
1714 __res.append(__width - __len, __fill);
1718 case money_base::none:
1720 __res.append(__width - __len, __fill);
1725 // Special case of multi-part sign parts.
1726 if (__sign_size > 1)
1727 __res.append(__sign + 1, __sign_size - 1);
1729 // Pad, if still necessary.
1730 __len = __res.size();
1731 if (__width > __len)
1733 if (__f == ios_base::left)
1735 __res.append(__width - __len, __fill);
1738 __res.insert(0, __width - __len, __fill);
1742 // Write resulting, fully-formatted string to output iterator.
1743 __s = std::__write(__s, __res.data(), __len);
1749 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1750 template<typename _CharT, typename _OutIter>
1752 money_put<_CharT, _OutIter>::
1753 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1754 double __units) const
1755 { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
1758 template<typename _CharT, typename _OutIter>
1760 money_put<_CharT, _OutIter>::
1761 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1762 long double __units) const
1764 const locale __loc = __io.getloc();
1765 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1766 #ifdef _GLIBCXX_USE_C99
1767 // First try a buffer perhaps big enough.
1769 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1770 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1771 // 328. Bad sprintf format modifier in money_put<>::do_put()
1772 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1773 "%.*Lf", 0, __units);
1774 // If the buffer was not large enough, try again with the correct size.
1775 if (__len >= __cs_size)
1777 __cs_size = __len + 1;
1778 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1779 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1780 "%.*Lf", 0, __units);
1783 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1784 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1785 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1786 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1789 string_type __digits(__len, char_type());
1790 __ctype.widen(__cs, __cs + __len, &__digits[0]);
1791 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1792 : _M_insert<false>(__s, __io, __fill, __digits);
1795 template<typename _CharT, typename _OutIter>
1797 money_put<_CharT, _OutIter>::
1798 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1799 const string_type& __digits) const
1800 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1801 : _M_insert<false>(__s, __io, __fill, __digits); }
1803 _GLIBCXX_END_LDBL_NAMESPACE
1805 // NB: Not especially useful. Without an ios_base object or some
1806 // kind of locale reference, we are left clawing at the air where
1807 // the side of the mountain used to be...
1808 template<typename _CharT, typename _InIter>
1809 time_base::dateorder
1810 time_get<_CharT, _InIter>::do_date_order() const
1811 { return time_base::no_order; }
1813 // Expand a strftime format string and parse it. E.g., do_get_date() may
1814 // pass %m/%d/%Y => extracted characters.
1815 template<typename _CharT, typename _InIter>
1817 time_get<_CharT, _InIter>::
1818 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1819 ios_base::iostate& __err, tm* __tm,
1820 const _CharT* __format) const
1822 const locale& __loc = __io._M_getloc();
1823 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1824 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1825 const size_t __len = char_traits<_CharT>::length(__format);
1827 ios_base::iostate __tmperr = ios_base::goodbit;
1828 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1830 if (__ctype.narrow(__format[__i], 0) == '%')
1832 // Verify valid formatting code, attempt to extract.
1833 char __c = __ctype.narrow(__format[++__i], 0);
1835 if (__c == 'E' || __c == 'O')
1836 __c = __ctype.narrow(__format[++__i], 0);
1842 // Abbreviated weekday name [tm_wday]
1843 const char_type* __days1[7];
1844 __tp._M_days_abbreviated(__days1);
1845 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1849 // Weekday name [tm_wday].
1850 const char_type* __days2[7];
1851 __tp._M_days(__days2);
1852 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1857 // Abbreviated month name [tm_mon]
1858 const char_type* __months1[12];
1859 __tp._M_months_abbreviated(__months1);
1860 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1861 __months1, 12, __io, __tmperr);
1864 // Month name [tm_mon].
1865 const char_type* __months2[12];
1866 __tp._M_months(__months2);
1867 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1868 __months2, 12, __io, __tmperr);
1871 // Default time and date representation.
1872 const char_type* __dt[2];
1873 __tp._M_date_time_formats(__dt);
1874 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1878 // Day [01, 31]. [tm_mday]
1879 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1883 // Day [1, 31], with single digits preceded by
1885 if (__ctype.is(ctype_base::space, *__beg))
1886 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1889 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1893 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1895 __ctype.widen(__cs, __cs + 9, __wcs);
1896 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1900 // Hour [00, 23]. [tm_hour]
1901 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1905 // Hour [01, 12]. [tm_hour]
1906 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1910 // Month [01, 12]. [tm_mon]
1911 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1914 __tm->tm_mon = __mem - 1;
1917 // Minute [00, 59]. [tm_min]
1918 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1922 if (__ctype.narrow(*__beg, 0) == '\n')
1925 __tmperr |= ios_base::failbit;
1928 // Equivalent to (%H:%M).
1930 __ctype.widen(__cs, __cs + 6, __wcs);
1931 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1935 // Seconds. [tm_sec]
1936 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1937 #ifdef _GLIBCXX_USE_C99
1938 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1940 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1945 if (__ctype.narrow(*__beg, 0) == '\t')
1948 __tmperr |= ios_base::failbit;
1951 // Equivalent to (%H:%M:%S).
1953 __ctype.widen(__cs, __cs + 9, __wcs);
1954 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1959 const char_type* __dates[2];
1960 __tp._M_date_formats(__dates);
1961 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1966 const char_type* __times[2];
1967 __tp._M_time_formats(__times);
1968 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1973 // Two digit year. [tm_year]
1974 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1978 // Year [1900). [tm_year]
1979 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1982 __tm->tm_year = __mem - 1900;
1986 if (__ctype.is(ctype_base::upper, *__beg))
1989 __beg = _M_extract_name(__beg, __end, __tmp,
1990 __timepunct_cache<_CharT>::_S_timezones,
1991 14, __io, __tmperr);
1993 // GMT requires special effort.
1994 if (__beg != __end && !__tmperr && __tmp == 0
1995 && (*__beg == __ctype.widen('-')
1996 || *__beg == __ctype.widen('+')))
1998 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2000 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2005 __tmperr |= ios_base::failbit;
2009 __tmperr |= ios_base::failbit;
2014 // Verify format and input match, extract and discard.
2015 if (__format[__i] == *__beg)
2018 __tmperr |= ios_base::failbit;
2023 __err |= ios_base::failbit;
2028 template<typename _CharT, typename _InIter>
2030 time_get<_CharT, _InIter>::
2031 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2032 int __min, int __max, size_t __len,
2033 ios_base& __io, ios_base::iostate& __err) const
2035 const locale& __loc = __io._M_getloc();
2036 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2038 // As-is works for __len = 1, 2, 4, the values actually used.
2039 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2044 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2046 const char __c = __ctype.narrow(*__beg, '*');
2047 if (__c >= '0' && __c <= '9')
2049 __value = __value * 10 + (__c - '0');
2050 const int __valuec = __value * __mult;
2051 if (__valuec > __max || __valuec + __mult < __min)
2061 __err |= ios_base::failbit;
2067 // All elements in __names are unique.
2068 template<typename _CharT, typename _InIter>
2070 time_get<_CharT, _InIter>::
2071 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2072 const _CharT** __names, size_t __indexlen,
2073 ios_base& __io, ios_base::iostate& __err) const
2075 typedef char_traits<_CharT> __traits_type;
2076 const locale& __loc = __io._M_getloc();
2077 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2079 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2081 size_t __nmatches = 0;
2083 bool __testvalid = true;
2084 const char_type* __name;
2086 // Look for initial matches.
2087 // NB: Some of the locale data is in the form of all lowercase
2088 // names, and some is in the form of initially-capitalized
2089 // names. Look for both.
2092 const char_type __c = *__beg;
2093 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2094 if (__c == __names[__i1][0]
2095 || __c == __ctype.toupper(__names[__i1][0]))
2096 __matches[__nmatches++] = __i1;
2099 while (__nmatches > 1)
2101 // Find smallest matching string.
2102 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2103 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2104 __minlen = std::min(__minlen,
2105 __traits_type::length(__names[__matches[__i2]]));
2107 if (__pos < __minlen && __beg != __end)
2108 for (size_t __i3 = 0; __i3 < __nmatches;)
2110 __name = __names[__matches[__i3]];
2111 if (!(__name[__pos] == *__beg))
2112 __matches[__i3] = __matches[--__nmatches];
2120 if (__nmatches == 1)
2122 // Make sure found name is completely extracted.
2124 __name = __names[__matches[0]];
2125 const size_t __len = __traits_type::length(__name);
2126 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2130 __member = __matches[0];
2132 __testvalid = false;
2135 __testvalid = false;
2137 __err |= ios_base::failbit;
2142 template<typename _CharT, typename _InIter>
2144 time_get<_CharT, _InIter>::
2145 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2146 ios_base::iostate& __err, tm* __tm) const
2148 const locale& __loc = __io._M_getloc();
2149 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2150 const char_type* __times[2];
2151 __tp._M_time_formats(__times);
2152 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2155 __err |= ios_base::eofbit;
2159 template<typename _CharT, typename _InIter>
2161 time_get<_CharT, _InIter>::
2162 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2163 ios_base::iostate& __err, tm* __tm) const
2165 const locale& __loc = __io._M_getloc();
2166 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2167 const char_type* __dates[2];
2168 __tp._M_date_formats(__dates);
2169 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2172 __err |= ios_base::eofbit;
2176 template<typename _CharT, typename _InIter>
2178 time_get<_CharT, _InIter>::
2179 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2180 ios_base::iostate& __err, tm* __tm) const
2182 typedef char_traits<_CharT> __traits_type;
2183 const locale& __loc = __io._M_getloc();
2184 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2185 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2186 const char_type* __days[7];
2187 __tp._M_days_abbreviated(__days);
2189 ios_base::iostate __tmperr = ios_base::goodbit;
2190 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2193 // Check to see if non-abbreviated name exists, and extract.
2194 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2195 // exact same order, first to last, such that the resulting
2196 // __days array with the same index points to a day, and that
2197 // day's abbreviated form.
2198 // NB: Also assumes that an abbreviated name is a subset of the name.
2199 if (!__tmperr && __beg != __end)
2201 size_t __pos = __traits_type::length(__days[__tmpwday]);
2202 __tp._M_days(__days);
2203 const char_type* __name = __days[__tmpwday];
2204 if (__name[__pos] == *__beg)
2206 // Extract the rest of it.
2207 const size_t __len = __traits_type::length(__name);
2208 while (__pos < __len && __beg != __end
2209 && __name[__pos] == *__beg)
2212 __tmperr |= ios_base::failbit;
2216 __tm->tm_wday = __tmpwday;
2218 __err |= ios_base::failbit;
2221 __err |= ios_base::eofbit;
2225 template<typename _CharT, typename _InIter>
2227 time_get<_CharT, _InIter>::
2228 do_get_monthname(iter_type __beg, iter_type __end,
2229 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2231 typedef char_traits<_CharT> __traits_type;
2232 const locale& __loc = __io._M_getloc();
2233 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2234 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2235 const char_type* __months[12];
2236 __tp._M_months_abbreviated(__months);
2238 ios_base::iostate __tmperr = ios_base::goodbit;
2239 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2242 // Check to see if non-abbreviated name exists, and extract.
2243 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2244 // exact same order, first to last, such that the resulting
2245 // __months array with the same index points to a month, and that
2246 // month's abbreviated form.
2247 // NB: Also assumes that an abbreviated name is a subset of the name.
2248 if (!__tmperr && __beg != __end)
2250 size_t __pos = __traits_type::length(__months[__tmpmon]);
2251 __tp._M_months(__months);
2252 const char_type* __name = __months[__tmpmon];
2253 if (__name[__pos] == *__beg)
2255 // Extract the rest of it.
2256 const size_t __len = __traits_type::length(__name);
2257 while (__pos < __len && __beg != __end
2258 && __name[__pos] == *__beg)
2261 __tmperr |= ios_base::failbit;
2265 __tm->tm_mon = __tmpmon;
2267 __err |= ios_base::failbit;
2270 __err |= ios_base::eofbit;
2274 template<typename _CharT, typename _InIter>
2276 time_get<_CharT, _InIter>::
2277 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2278 ios_base::iostate& __err, tm* __tm) const
2280 const locale& __loc = __io._M_getloc();
2281 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2285 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2287 const char __c = __ctype.narrow(*__beg, '*');
2288 if (__c >= '0' && __c <= '9')
2289 __value = __value * 10 + (__c - '0');
2293 if (__i == 2 || __i == 4)
2294 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2296 __err |= ios_base::failbit;
2299 __err |= ios_base::eofbit;
2303 template<typename _CharT, typename _OutIter>
2305 time_put<_CharT, _OutIter>::
2306 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2307 const _CharT* __beg, const _CharT* __end) const
2309 const locale& __loc = __io._M_getloc();
2310 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2311 for (; __beg != __end; ++__beg)
2312 if (__ctype.narrow(*__beg, 0) != '%')
2317 else if (++__beg != __end)
2321 const char __c = __ctype.narrow(*__beg, 0);
2322 if (__c != 'E' && __c != 'O')
2324 else if (++__beg != __end)
2327 __format = __ctype.narrow(*__beg, 0);
2331 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2338 template<typename _CharT, typename _OutIter>
2340 time_put<_CharT, _OutIter>::
2341 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2342 char __format, char __mod) const
2344 const locale& __loc = __io._M_getloc();
2345 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2346 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2348 // NB: This size is arbitrary. Should this be a data member,
2349 // initialized at construction?
2350 const size_t __maxlen = 128;
2352 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2354 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2355 // is possible that the format character will be longer than one
2356 // character. Possibilities include 'E' or 'O' followed by a
2357 // format character: if __mod is not the default argument, assume
2358 // it's a valid modifier.
2360 __fmt[0] = __ctype.widen('%');
2363 __fmt[1] = __format;
2364 __fmt[2] = char_type();
2369 __fmt[2] = __format;
2370 __fmt[3] = char_type();
2373 __tp._M_put(__res, __maxlen, __fmt, __tm);
2375 // Write resulting, fully-formatted string to output iterator.
2376 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2379 // Generic version does nothing.
2380 template<typename _CharT>
2382 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2385 // Generic version does nothing.
2386 template<typename _CharT>
2388 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2391 template<typename _CharT>
2394 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2395 const _CharT* __lo2, const _CharT* __hi2) const
2397 // strcoll assumes zero-terminated strings so we make a copy
2398 // and then put a zero at the end.
2399 const string_type __one(__lo1, __hi1);
2400 const string_type __two(__lo2, __hi2);
2402 const _CharT* __p = __one.c_str();
2403 const _CharT* __pend = __one.data() + __one.length();
2404 const _CharT* __q = __two.c_str();
2405 const _CharT* __qend = __two.data() + __two.length();
2407 // strcoll stops when it sees a nul character so we break
2408 // the strings into zero-terminated substrings and pass those
2412 const int __res = _M_compare(__p, __q);
2416 __p += char_traits<_CharT>::length(__p);
2417 __q += char_traits<_CharT>::length(__q);
2418 if (__p == __pend && __q == __qend)
2420 else if (__p == __pend)
2422 else if (__q == __qend)
2430 template<typename _CharT>
2431 typename collate<_CharT>::string_type
2433 do_transform(const _CharT* __lo, const _CharT* __hi) const
2437 // strxfrm assumes zero-terminated strings so we make a copy
2438 const string_type __str(__lo, __hi);
2440 const _CharT* __p = __str.c_str();
2441 const _CharT* __pend = __str.data() + __str.length();
2443 size_t __len = (__hi - __lo) * 2;
2445 _CharT* __c = new _CharT[__len];
2449 // strxfrm stops when it sees a nul character so we break
2450 // the string into zero-terminated substrings and pass those
2454 // First try a buffer perhaps big enough.
2455 size_t __res = _M_transform(__c, __p, __len);
2456 // If the buffer was not large enough, try again with the
2461 delete [] __c, __c = 0;
2462 __c = new _CharT[__len];
2463 __res = _M_transform(__c, __p, __len);
2466 __ret.append(__c, __res);
2467 __p += char_traits<_CharT>::length(__p);
2472 __ret.push_back(_CharT());
2478 __throw_exception_again;
2486 template<typename _CharT>
2489 do_hash(const _CharT* __lo, const _CharT* __hi) const
2491 unsigned long __val = 0;
2492 for (; __lo < __hi; ++__lo)
2493 __val = *__lo + ((__val << 7) |
2494 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2495 return static_cast<long>(__val);
2498 // Construct correctly padded string, as per 22.2.2.2.2
2500 // __newlen > __oldlen
2501 // __news is allocated for __newlen size
2502 // Used by both num_put and ostream inserters: if __num,
2503 // internal-adjusted objects are padded according to the rules below
2504 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2507 // NB: Of the two parameters, _CharT can be deduced from the
2508 // function arguments. The other (_Traits) has to be explicitly specified.
2509 template<typename _CharT, typename _Traits>
2511 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2512 _CharT* __news, const _CharT* __olds,
2513 const streamsize __newlen,
2514 const streamsize __oldlen, const bool __num)
2516 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2517 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2520 if (__adjust == ios_base::left)
2522 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2523 _Traits::assign(__news + __oldlen, __plen, __fill);
2528 if (__adjust == ios_base::internal && __num)
2530 // Pad after the sign, if there is one.
2531 // Pad after 0[xX], if there is one.
2532 // Who came up with these rules, anyway? Jeeze.
2533 const locale& __loc = __io._M_getloc();
2534 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2536 const bool __testsign = (__ctype.widen('-') == __olds[0]
2537 || __ctype.widen('+') == __olds[0]);
2538 const bool __testhex = (__ctype.widen('0') == __olds[0]
2540 && (__ctype.widen('x') == __olds[1]
2541 || __ctype.widen('X') == __olds[1]));
2544 __news[0] = __olds[0];
2545 __news[1] = __olds[1];
2549 else if (__testsign)
2551 __news[0] = __olds[0];
2555 // else Padding first.
2557 _Traits::assign(__news, __plen, __fill);
2558 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2563 __verify_grouping(const char* __grouping, size_t __grouping_size,
2564 const string& __grouping_tmp)
2566 const size_t __n = __grouping_tmp.size() - 1;
2567 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2571 // Parsed number groupings have to match the
2572 // numpunct::grouping string exactly, starting at the
2573 // right-most point of the parsed sequence of elements ...
2574 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2575 __test = __grouping_tmp[__i] == __grouping[__j];
2576 for (; __i && __test; --__i)
2577 __test = __grouping_tmp[__i] == __grouping[__min];
2578 // ... but the first parsed grouping can be <= numpunct
2579 // grouping (only do the check if the numpunct char is > 0
2580 // because <= 0 means any size is ok).
2581 if (static_cast<signed char>(__grouping[__min]) > 0)
2582 __test &= __grouping_tmp[0] <= __grouping[__min];
2586 template<typename _CharT>
2588 __add_grouping(_CharT* __s, _CharT __sep,
2589 const char* __gbeg, size_t __gsize,
2590 const _CharT* __first, const _CharT* __last)
2595 while (__last - __first > __gbeg[__idx]
2596 && static_cast<signed char>(__gbeg[__idx]) > 0)
2598 __last -= __gbeg[__idx];
2599 __idx < __gsize - 1 ? ++__idx : ++__ctr;
2602 while (__first != __last)
2603 *__s++ = *__first++;
2608 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2609 *__s++ = *__first++;
2615 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2616 *__s++ = *__first++;
2622 // Inhibit implicit instantiations for required instantiations,
2623 // which are defined via explicit instantiations elsewhere.
2624 // NB: This syntax is a GNU extension.
2625 #if _GLIBCXX_EXTERN_TEMPLATE
2626 extern template class moneypunct<char, false>;
2627 extern template class moneypunct<char, true>;
2628 extern template class moneypunct_byname<char, false>;
2629 extern template class moneypunct_byname<char, true>;
2630 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2631 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2632 extern template class numpunct<char>;
2633 extern template class numpunct_byname<char>;
2634 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2635 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2636 extern template class __timepunct<char>;
2637 extern template class time_put<char>;
2638 extern template class time_put_byname<char>;
2639 extern template class time_get<char>;
2640 extern template class time_get_byname<char>;
2641 extern template class messages<char>;
2642 extern template class messages_byname<char>;
2643 extern template class ctype_byname<char>;
2644 extern template class codecvt_byname<char, char, mbstate_t>;
2645 extern template class collate<char>;
2646 extern template class collate_byname<char>;
2649 const codecvt<char, char, mbstate_t>&
2650 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2653 const collate<char>&
2654 use_facet<collate<char> >(const locale&);
2657 const numpunct<char>&
2658 use_facet<numpunct<char> >(const locale&);
2661 const num_put<char>&
2662 use_facet<num_put<char> >(const locale&);
2665 const num_get<char>&
2666 use_facet<num_get<char> >(const locale&);
2669 const moneypunct<char, true>&
2670 use_facet<moneypunct<char, true> >(const locale&);
2673 const moneypunct<char, false>&
2674 use_facet<moneypunct<char, false> >(const locale&);
2677 const money_put<char>&
2678 use_facet<money_put<char> >(const locale&);
2681 const money_get<char>&
2682 use_facet<money_get<char> >(const locale&);
2685 const __timepunct<char>&
2686 use_facet<__timepunct<char> >(const locale&);
2689 const time_put<char>&
2690 use_facet<time_put<char> >(const locale&);
2693 const time_get<char>&
2694 use_facet<time_get<char> >(const locale&);
2697 const messages<char>&
2698 use_facet<messages<char> >(const locale&);
2702 has_facet<ctype<char> >(const locale&);
2706 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2710 has_facet<collate<char> >(const locale&);
2714 has_facet<numpunct<char> >(const locale&);
2718 has_facet<num_put<char> >(const locale&);
2722 has_facet<num_get<char> >(const locale&);
2726 has_facet<moneypunct<char> >(const locale&);
2730 has_facet<money_put<char> >(const locale&);
2734 has_facet<money_get<char> >(const locale&);
2738 has_facet<__timepunct<char> >(const locale&);
2742 has_facet<time_put<char> >(const locale&);
2746 has_facet<time_get<char> >(const locale&);
2750 has_facet<messages<char> >(const locale&);
2752 #ifdef _GLIBCXX_USE_WCHAR_T
2753 extern template class moneypunct<wchar_t, false>;
2754 extern template class moneypunct<wchar_t, true>;
2755 extern template class moneypunct_byname<wchar_t, false>;
2756 extern template class moneypunct_byname<wchar_t, true>;
2757 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2758 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2759 extern template class numpunct<wchar_t>;
2760 extern template class numpunct_byname<wchar_t>;
2761 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2762 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2763 extern template class __timepunct<wchar_t>;
2764 extern template class time_put<wchar_t>;
2765 extern template class time_put_byname<wchar_t>;
2766 extern template class time_get<wchar_t>;
2767 extern template class time_get_byname<wchar_t>;
2768 extern template class messages<wchar_t>;
2769 extern template class messages_byname<wchar_t>;
2770 extern template class ctype_byname<wchar_t>;
2771 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2772 extern template class collate<wchar_t>;
2773 extern template class collate_byname<wchar_t>;
2776 const codecvt<wchar_t, char, mbstate_t>&
2777 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2780 const collate<wchar_t>&
2781 use_facet<collate<wchar_t> >(const locale&);
2784 const numpunct<wchar_t>&
2785 use_facet<numpunct<wchar_t> >(const locale&);
2788 const num_put<wchar_t>&
2789 use_facet<num_put<wchar_t> >(const locale&);
2792 const num_get<wchar_t>&
2793 use_facet<num_get<wchar_t> >(const locale&);
2796 const moneypunct<wchar_t, true>&
2797 use_facet<moneypunct<wchar_t, true> >(const locale&);
2800 const moneypunct<wchar_t, false>&
2801 use_facet<moneypunct<wchar_t, false> >(const locale&);
2804 const money_put<wchar_t>&
2805 use_facet<money_put<wchar_t> >(const locale&);
2808 const money_get<wchar_t>&
2809 use_facet<money_get<wchar_t> >(const locale&);
2812 const __timepunct<wchar_t>&
2813 use_facet<__timepunct<wchar_t> >(const locale&);
2816 const time_put<wchar_t>&
2817 use_facet<time_put<wchar_t> >(const locale&);
2820 const time_get<wchar_t>&
2821 use_facet<time_get<wchar_t> >(const locale&);
2824 const messages<wchar_t>&
2825 use_facet<messages<wchar_t> >(const locale&);
2829 has_facet<ctype<wchar_t> >(const locale&);
2833 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2837 has_facet<collate<wchar_t> >(const locale&);
2841 has_facet<numpunct<wchar_t> >(const locale&);
2845 has_facet<num_put<wchar_t> >(const locale&);
2849 has_facet<num_get<wchar_t> >(const locale&);
2853 has_facet<moneypunct<wchar_t> >(const locale&);
2857 has_facet<money_put<wchar_t> >(const locale&);
2861 has_facet<money_get<wchar_t> >(const locale&);
2865 has_facet<__timepunct<wchar_t> >(const locale&);
2869 has_facet<time_put<wchar_t> >(const locale&);
2873 has_facet<time_get<wchar_t> >(const locale&);
2877 has_facet<messages<wchar_t> >(const locale&);
2881 _GLIBCXX_END_NAMESPACE