1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
5 // Free Software Foundation, Inc.
7 // This file is part of the GNU ISO C++ Library. This library is free
8 // software; you can redistribute it and/or modify it under the
9 // terms of the GNU General Public License as published by the
10 // Free Software Foundation; either version 2, or (at your option)
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License along
19 // with this library; see the file COPYING. If not, write to the Free
20 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
23 // As a special exception, you may use this file as part of a free software
24 // library without restriction. Specifically, if other files instantiate
25 // templates or use macros or inline functions from this file, or you compile
26 // this file and link it with other files to produce an executable, this
27 // file does not by itself cause the resulting executable to be covered by
28 // the GNU General Public License. This exception does not however
29 // invalidate any other reasons why the executable file might be covered by
30 // the GNU General Public License.
32 /** @file locale_facets.tcc
33 * This is an internal header file, included by other library headers.
34 * You should not attempt to use it directly.
37 #ifndef _LOCALE_FACETS_TCC
38 #define _LOCALE_FACETS_TCC 1
40 #pragma GCC system_header
42 #include <ext/type_traits.h>
43 #include <ext/numeric_traits.h>
44 #include <bits/streambuf_iterator.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 (__gnu_cxx::__numeric_traits<_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 ? -__gnu_cxx::__numeric_traits<_ValueT>::__min
611 : __gnu_cxx::__numeric_traits<_ValueT>::__max;
612 const __unsigned_type __smax = __max / __base;
613 __unsigned_type __result = 0;
615 const char_type* __lit_zero = __lit + __num_base::_S_izero;
617 if (!__lc->_M_allocated)
621 __digit = _M_find(__lit_zero, __len, __c);
625 if (__result > __smax)
630 __testfail |= __result > __max - __digit;
635 if (++__beg != __end)
643 // According to 22.2.2.1.2, p8-9, first look for thousands_sep
644 // and decimal_point.
645 if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
647 // NB: Thousands separator at the beginning of a string
648 // is a no-no, as is two consecutive thousands separators.
651 __found_grouping += static_cast<char>(__sep_pos);
660 else if (__c == __lc->_M_decimal_point)
664 const char_type* __q =
665 __traits_type::find(__lit_zero, __len, __c);
669 __digit = __q - __lit_zero;
672 if (__result > __smax)
677 __testfail |= __result > __max - __digit;
683 if (++__beg != __end)
689 // Digit grouping is checked. If grouping and found_grouping don't
690 // match, then get very very upset, and set failbit.
691 if (__found_grouping.size())
693 // Add the ending grouping.
694 __found_grouping += static_cast<char>(__sep_pos);
696 if (!std::__verify_grouping(__lc->_M_grouping,
697 __lc->_M_grouping_size,
699 __err |= ios_base::failbit;
702 if (!__testfail && (__sep_pos || __found_zero
703 || __found_grouping.size()))
704 __v = __negative ? -__result : __result;
706 __err |= ios_base::failbit;
709 __err |= ios_base::eofbit;
713 // _GLIBCXX_RESOLVE_LIB_DEFECTS
714 // 17. Bad bool parsing
715 template<typename _CharT, typename _InIter>
717 num_get<_CharT, _InIter>::
718 do_get(iter_type __beg, iter_type __end, ios_base& __io,
719 ios_base::iostate& __err, bool& __v) const
721 if (!(__io.flags() & ios_base::boolalpha))
723 // Parse bool values as long.
724 // NB: We can't just call do_get(long) here, as it might
725 // refer to a derived class.
727 __beg = _M_extract_int(__beg, __end, __io, __err, __l);
728 if (__l == 0 || __l == 1)
731 __err |= ios_base::failbit;
735 // Parse bool values as alphanumeric.
736 typedef __numpunct_cache<_CharT> __cache_type;
737 __use_cache<__cache_type> __uc;
738 const locale& __loc = __io._M_getloc();
739 const __cache_type* __lc = __uc(__loc);
744 bool __testeof = __beg == __end;
745 for (__n = 0; !__testeof; ++__n)
747 const char_type __c = *__beg;
751 if (__n < __lc->_M_falsename_size)
752 __testf = __c == __lc->_M_falsename[__n];
759 if (__n < __lc->_M_truename_size)
760 __testt = __c == __lc->_M_truename[__n];
765 if (!__testf && !__testt)
768 if (++__beg == __end)
771 if (__testf && __n == __lc->_M_falsename_size)
773 else if (__testt && __n == __lc->_M_truename_size)
776 __err |= ios_base::failbit;
779 __err |= ios_base::eofbit;
784 template<typename _CharT, typename _InIter>
786 num_get<_CharT, _InIter>::
787 do_get(iter_type __beg, iter_type __end, ios_base& __io,
788 ios_base::iostate& __err, long& __v) const
789 { return _M_extract_int(__beg, __end, __io, __err, __v); }
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, unsigned short& __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 int& __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 long& __v) const
810 { return _M_extract_int(__beg, __end, __io, __err, __v); }
812 #ifdef _GLIBCXX_USE_LONG_LONG
813 template<typename _CharT, typename _InIter>
815 num_get<_CharT, _InIter>::
816 do_get(iter_type __beg, iter_type __end, ios_base& __io,
817 ios_base::iostate& __err, long long& __v) const
818 { return _M_extract_int(__beg, __end, __io, __err, __v); }
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, unsigned long long& __v) const
825 { return _M_extract_int(__beg, __end, __io, __err, __v); }
828 template<typename _CharT, typename _InIter>
830 num_get<_CharT, _InIter>::
831 do_get(iter_type __beg, iter_type __end, ios_base& __io,
832 ios_base::iostate& __err, float& __v) const
836 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
837 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
841 template<typename _CharT, typename _InIter>
843 num_get<_CharT, _InIter>::
844 do_get(iter_type __beg, iter_type __end, ios_base& __io,
845 ios_base::iostate& __err, double& __v) const
849 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
850 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
854 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
855 template<typename _CharT, typename _InIter>
857 num_get<_CharT, _InIter>::
858 __do_get(iter_type __beg, iter_type __end, ios_base& __io,
859 ios_base::iostate& __err, double& __v) const
863 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
864 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
869 template<typename _CharT, typename _InIter>
871 num_get<_CharT, _InIter>::
872 do_get(iter_type __beg, iter_type __end, ios_base& __io,
873 ios_base::iostate& __err, long double& __v) const
877 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
878 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
882 template<typename _CharT, typename _InIter>
884 num_get<_CharT, _InIter>::
885 do_get(iter_type __beg, iter_type __end, ios_base& __io,
886 ios_base::iostate& __err, void*& __v) const
888 // Prepare for hex formatted input.
889 typedef ios_base::fmtflags fmtflags;
890 const fmtflags __fmt = __io.flags();
891 __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
893 typedef __gnu_cxx::__conditional_type<(sizeof(void*)
894 <= sizeof(unsigned long)),
895 unsigned long, unsigned long long>::__type _UIntPtrType;
898 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
900 // Reset from hex formatted input.
903 if (!(__err & ios_base::failbit))
904 __v = reinterpret_cast<void*>(__ul);
908 // For use by integer and floating-point types after they have been
909 // converted into a char_type string.
910 template<typename _CharT, typename _OutIter>
912 num_put<_CharT, _OutIter>::
913 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
914 _CharT* __new, const _CharT* __cs, int& __len) const
916 // [22.2.2.2.2] Stage 3.
917 // If necessary, pad.
918 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new,
920 __len = static_cast<int>(__w);
923 _GLIBCXX_END_LDBL_NAMESPACE
925 template<typename _CharT, typename _ValueT>
927 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
928 ios_base::fmtflags __flags, bool __dec)
930 _CharT* __buf = __bufend;
931 if (__builtin_expect(__dec, true))
936 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
941 else if ((__flags & ios_base::basefield) == ios_base::oct)
946 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
954 const bool __uppercase = __flags & ios_base::uppercase;
955 const int __case_offset = __uppercase ? __num_base::_S_oudigits
956 : __num_base::_S_odigits;
959 *--__buf = __lit[(__v & 0xf) + __case_offset];
964 return __bufend - __buf;
967 _GLIBCXX_BEGIN_LDBL_NAMESPACE
969 template<typename _CharT, typename _OutIter>
971 num_put<_CharT, _OutIter>::
972 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
973 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
975 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
976 __grouping_size, __cs, __cs + __len);
980 template<typename _CharT, typename _OutIter>
981 template<typename _ValueT>
983 num_put<_CharT, _OutIter>::
984 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
987 using __gnu_cxx::__add_unsigned;
988 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
989 typedef __numpunct_cache<_CharT> __cache_type;
990 __use_cache<__cache_type> __uc;
991 const locale& __loc = __io._M_getloc();
992 const __cache_type* __lc = __uc(__loc);
993 const _CharT* __lit = __lc->_M_atoms_out;
994 const ios_base::fmtflags __flags = __io.flags();
996 // Long enough to hold hex, dec, and octal representations.
997 const int __ilen = 5 * sizeof(_ValueT);
998 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1001 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1002 // Result is returned right-justified in the buffer.
1003 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
1004 const bool __dec = (__basefield != ios_base::oct
1005 && __basefield != ios_base::hex);
1006 const __unsigned_type __u = ((__v > 0 || !__dec)
1007 ? __unsigned_type(__v)
1008 : -__unsigned_type(__v));
1009 int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
1010 __cs += __ilen - __len;
1012 // Add grouping, if necessary.
1013 if (__lc->_M_use_grouping)
1015 // Grouping can add (almost) as many separators as the number
1016 // of digits + space is reserved for numeric base or sign.
1017 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1020 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1021 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1025 // Complete Stage 1, prepend numeric base or sign.
1026 if (__builtin_expect(__dec, true))
1031 if (__flags & ios_base::showpos
1032 && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
1033 *--__cs = __lit[__num_base::_S_oplus], ++__len;
1036 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1038 else if (__flags & ios_base::showbase && __v)
1040 if (__basefield == ios_base::oct)
1041 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1045 const bool __uppercase = __flags & ios_base::uppercase;
1046 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1048 *--__cs = __lit[__num_base::_S_odigits];
1054 const streamsize __w = __io.width();
1055 if (__w > static_cast<streamsize>(__len))
1057 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1059 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1064 // [22.2.2.2.2] Stage 4.
1065 // Write resulting, fully-formatted string to output iterator.
1066 return std::__write(__s, __cs, __len);
1069 template<typename _CharT, typename _OutIter>
1071 num_put<_CharT, _OutIter>::
1072 _M_group_float(const char* __grouping, size_t __grouping_size,
1073 _CharT __sep, const _CharT* __p, _CharT* __new,
1074 _CharT* __cs, int& __len) const
1076 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1077 // 282. What types does numpunct grouping refer to?
1078 // Add grouping, if necessary.
1079 const int __declen = __p ? __p - __cs : __len;
1080 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1082 __cs, __cs + __declen);
1084 // Tack on decimal part.
1085 int __newlen = __p2 - __new;
1088 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1089 __newlen += __len - __declen;
1094 // The following code uses vsnprintf (or vsprintf(), when
1095 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1096 // for insertion into a stream. An optimization would be to replace
1097 // them with code that works directly on a wide buffer and then use
1098 // __pad to do the padding. It would be good to replace them anyway
1099 // to gain back the efficiency that C++ provides by knowing up front
1100 // the type of the values to insert. Also, sprintf is dangerous
1101 // since may lead to accidental buffer overruns. This
1102 // implementation follows the C++ standard fairly directly as
1103 // outlined in 22.2.2.2 [lib.locale.num.put]
1104 template<typename _CharT, typename _OutIter>
1105 template<typename _ValueT>
1107 num_put<_CharT, _OutIter>::
1108 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1111 typedef __numpunct_cache<_CharT> __cache_type;
1112 __use_cache<__cache_type> __uc;
1113 const locale& __loc = __io._M_getloc();
1114 const __cache_type* __lc = __uc(__loc);
1116 // Use default precision if out of range.
1117 const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
1119 const int __max_digits =
1120 __gnu_cxx::__numeric_traits<_ValueT>::__digits10;
1122 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1124 // Long enough for the max format spec.
1126 __num_base::_S_format_float(__io, __fbuf, __mod);
1128 #ifdef _GLIBCXX_USE_C99
1129 // First try a buffer perhaps big enough (most probably sufficient
1130 // for non-ios_base::fixed outputs)
1131 int __cs_size = __max_digits * 3;
1132 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1133 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1134 __fbuf, __prec, __v);
1136 // If the buffer was not large enough, try again with the correct size.
1137 if (__len >= __cs_size)
1139 __cs_size = __len + 1;
1140 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1141 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1142 __fbuf, __prec, __v);
1145 // Consider the possibility of long ios_base::fixed outputs
1146 const bool __fixed = __io.flags() & ios_base::fixed;
1147 const int __max_exp =
1148 __gnu_cxx::__numeric_traits<_ValueT>::__max_exponent10;
1150 // The size of the output string is computed as follows.
1151 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1152 // for the integer part + __prec chars for the fractional part
1153 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1154 // for non-fixed outputs __max_digits * 2 + __prec chars are
1155 // largely sufficient.
1156 const int __cs_size = __fixed ? __max_exp + __prec + 4
1157 : __max_digits * 2 + __prec;
1158 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1159 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1163 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1164 // numpunct.decimal_point() values for '.' and adding grouping.
1165 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1167 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1169 __ctype.widen(__cs, __cs + __len, __ws);
1171 // Replace decimal point.
1173 const char* __p = char_traits<char>::find(__cs, __len, '.');
1176 __wp = __ws + (__p - __cs);
1177 *__wp = __lc->_M_decimal_point;
1180 // Add grouping, if necessary.
1181 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1182 // point, scientific notation.
1183 if (__lc->_M_use_grouping
1184 && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1185 && __cs[1] >= '0' && __cs[2] >= '0')))
1187 // Grouping can add (almost) as many separators as the
1188 // number of digits, but no more.
1189 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1192 streamsize __off = 0;
1193 if (__cs[0] == '-' || __cs[0] == '+')
1200 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1201 __lc->_M_thousands_sep, __wp, __ws2 + __off,
1202 __ws + __off, __len);
1209 const streamsize __w = __io.width();
1210 if (__w > static_cast<streamsize>(__len))
1212 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1214 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1219 // [22.2.2.2.2] Stage 4.
1220 // Write resulting, fully-formatted string to output iterator.
1221 return std::__write(__s, __ws, __len);
1224 template<typename _CharT, typename _OutIter>
1226 num_put<_CharT, _OutIter>::
1227 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1229 const ios_base::fmtflags __flags = __io.flags();
1230 if ((__flags & ios_base::boolalpha) == 0)
1232 const long __l = __v;
1233 __s = _M_insert_int(__s, __io, __fill, __l);
1237 typedef __numpunct_cache<_CharT> __cache_type;
1238 __use_cache<__cache_type> __uc;
1239 const locale& __loc = __io._M_getloc();
1240 const __cache_type* __lc = __uc(__loc);
1242 const _CharT* __name = __v ? __lc->_M_truename
1243 : __lc->_M_falsename;
1244 int __len = __v ? __lc->_M_truename_size
1245 : __lc->_M_falsename_size;
1247 const streamsize __w = __io.width();
1248 if (__w > static_cast<streamsize>(__len))
1251 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1253 _M_pad(__fill, __w, __io, __cs, __name, __len);
1257 __s = std::__write(__s, __name, __len);
1262 template<typename _CharT, typename _OutIter>
1264 num_put<_CharT, _OutIter>::
1265 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1266 { return _M_insert_int(__s, __io, __fill, __v); }
1268 template<typename _CharT, typename _OutIter>
1270 num_put<_CharT, _OutIter>::
1271 do_put(iter_type __s, ios_base& __io, char_type __fill,
1272 unsigned long __v) const
1273 { return _M_insert_int(__s, __io, __fill, __v); }
1275 #ifdef _GLIBCXX_USE_LONG_LONG
1276 template<typename _CharT, typename _OutIter>
1278 num_put<_CharT, _OutIter>::
1279 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1280 { return _M_insert_int(__s, __io, __fill, __v); }
1282 template<typename _CharT, typename _OutIter>
1284 num_put<_CharT, _OutIter>::
1285 do_put(iter_type __s, ios_base& __io, char_type __fill,
1286 unsigned long long __v) const
1287 { return _M_insert_int(__s, __io, __fill, __v); }
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); }
1296 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1297 template<typename _CharT, typename _OutIter>
1299 num_put<_CharT, _OutIter>::
1300 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1301 { return _M_insert_float(__s, __io, __fill, char(), __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 long double __v) const
1309 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1311 template<typename _CharT, typename _OutIter>
1313 num_put<_CharT, _OutIter>::
1314 do_put(iter_type __s, ios_base& __io, char_type __fill,
1315 const void* __v) const
1317 const ios_base::fmtflags __flags = __io.flags();
1318 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1319 | ios_base::uppercase
1320 | ios_base::internal);
1321 __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase));
1323 typedef __gnu_cxx::__conditional_type<(sizeof(const void*)
1324 <= sizeof(unsigned long)),
1325 unsigned long, unsigned long long>::__type _UIntPtrType;
1327 __s = _M_insert_int(__s, __io, __fill,
1328 reinterpret_cast<_UIntPtrType>(__v));
1329 __io.flags(__flags);
1333 template<typename _CharT, typename _InIter>
1334 template<bool _Intl>
1336 money_get<_CharT, _InIter>::
1337 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1338 ios_base::iostate& __err, string& __units) const
1340 typedef char_traits<_CharT> __traits_type;
1341 typedef typename string_type::size_type size_type;
1342 typedef money_base::part part;
1343 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1345 const locale& __loc = __io._M_getloc();
1346 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1348 __use_cache<__cache_type> __uc;
1349 const __cache_type* __lc = __uc(__loc);
1350 const char_type* __lit = __lc->_M_atoms;
1353 bool __negative = false;
1355 size_type __sign_size = 0;
1356 // True if sign is mandatory.
1357 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1358 && __lc->_M_negative_sign_size);
1359 // String of grouping info from thousands_sep plucked from __units.
1360 string __grouping_tmp;
1361 if (__lc->_M_use_grouping)
1362 __grouping_tmp.reserve(32);
1363 // Last position before the decimal point.
1365 // Separator positions, then, possibly, fractional digits.
1367 // If input iterator is in a valid state.
1368 bool __testvalid = true;
1369 // Flag marking when a decimal point is found.
1370 bool __testdecfound = false;
1372 // The tentative returned string is stored here.
1376 const char_type* __lit_zero = __lit + money_base::_S_zero;
1377 const money_base::pattern __p = __lc->_M_neg_format;
1378 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1380 const part __which = static_cast<part>(__p.field[__i]);
1383 case money_base::symbol:
1384 // According to 22.2.6.1.2, p2, symbol is required
1385 // if (__io.flags() & ios_base::showbase), otherwise
1386 // is optional and consumed only if other characters
1387 // are needed to complete the format.
1388 if (__io.flags() & ios_base::showbase || __sign_size > 1
1390 || (__i == 1 && (__mandatory_sign
1391 || (static_cast<part>(__p.field[0])
1392 == money_base::sign)
1393 || (static_cast<part>(__p.field[2])
1394 == money_base::space)))
1395 || (__i == 2 && ((static_cast<part>(__p.field[3])
1396 == money_base::value)
1397 || (__mandatory_sign
1398 && (static_cast<part>(__p.field[3])
1399 == money_base::sign)))))
1401 const size_type __len = __lc->_M_curr_symbol_size;
1403 for (; __beg != __end && __j < __len
1404 && *__beg == __lc->_M_curr_symbol[__j];
1407 && (__j || __io.flags() & ios_base::showbase))
1408 __testvalid = false;
1411 case money_base::sign:
1412 // Sign might not exist, or be more than one character long.
1413 if (__lc->_M_positive_sign_size && __beg != __end
1414 && *__beg == __lc->_M_positive_sign[0])
1416 __sign_size = __lc->_M_positive_sign_size;
1419 else if (__lc->_M_negative_sign_size && __beg != __end
1420 && *__beg == __lc->_M_negative_sign[0])
1423 __sign_size = __lc->_M_negative_sign_size;
1426 else if (__lc->_M_positive_sign_size
1427 && !__lc->_M_negative_sign_size)
1428 // "... if no sign is detected, the result is given the sign
1429 // that corresponds to the source of the empty string"
1431 else if (__mandatory_sign)
1432 __testvalid = false;
1434 case money_base::value:
1435 // Extract digits, remove and stash away the
1436 // grouping of found thousands separators.
1437 for (; __beg != __end; ++__beg)
1439 const char_type __c = *__beg;
1440 const char_type* __q = __traits_type::find(__lit_zero,
1444 __res += money_base::_S_atoms[__q - __lit];
1447 else if (__c == __lc->_M_decimal_point
1452 __testdecfound = true;
1454 else if (__lc->_M_use_grouping
1455 && __c == __lc->_M_thousands_sep
1460 // Mark position for later analysis.
1461 __grouping_tmp += static_cast<char>(__n);
1466 __testvalid = false;
1474 __testvalid = false;
1476 case money_base::space:
1477 // At least one space is required.
1478 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1481 __testvalid = false;
1482 case money_base::none:
1483 // Only if not at the end of the pattern.
1485 for (; __beg != __end
1486 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1491 // Need to get the rest of the sign characters, if they exist.
1492 if (__sign_size > 1 && __testvalid)
1494 const char_type* __sign = __negative ? __lc->_M_negative_sign
1495 : __lc->_M_positive_sign;
1497 for (; __beg != __end && __i < __sign_size
1498 && *__beg == __sign[__i]; ++__beg, ++__i);
1500 if (__i != __sign_size)
1501 __testvalid = false;
1506 // Strip leading zeros.
1507 if (__res.size() > 1)
1509 const size_type __first = __res.find_first_not_of('0');
1510 const bool __only_zeros = __first == string::npos;
1512 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1516 if (__negative && __res[0] != '0')
1517 __res.insert(__res.begin(), '-');
1519 // Test for grouping fidelity.
1520 if (__grouping_tmp.size())
1522 // Add the ending grouping.
1523 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1525 if (!std::__verify_grouping(__lc->_M_grouping,
1526 __lc->_M_grouping_size,
1528 __err |= ios_base::failbit;
1531 // Iff not enough digits were supplied after the decimal-point.
1532 if (__testdecfound && __lc->_M_frac_digits > 0
1533 && __n != __lc->_M_frac_digits)
1534 __testvalid = false;
1537 // Iff valid sequence is not recognized.
1539 __err |= ios_base::failbit;
1541 __units.swap(__res);
1543 // Iff no more characters are available.
1545 __err |= ios_base::eofbit;
1549 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1550 template<typename _CharT, typename _InIter>
1552 money_get<_CharT, _InIter>::
1553 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1554 ios_base::iostate& __err, double& __units) const
1557 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1558 : _M_extract<false>(__beg, __end, __io, __err, __str);
1559 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1564 template<typename _CharT, typename _InIter>
1566 money_get<_CharT, _InIter>::
1567 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1568 ios_base::iostate& __err, long double& __units) const
1571 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1572 : _M_extract<false>(__beg, __end, __io, __err, __str);
1573 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1577 template<typename _CharT, typename _InIter>
1579 money_get<_CharT, _InIter>::
1580 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1581 ios_base::iostate& __err, string_type& __digits) const
1583 typedef typename string::size_type size_type;
1585 const locale& __loc = __io._M_getloc();
1586 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1589 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1590 : _M_extract<false>(__beg, __end, __io, __err, __str);
1591 const size_type __len = __str.size();
1594 __digits.resize(__len);
1595 __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
1600 template<typename _CharT, typename _OutIter>
1601 template<bool _Intl>
1603 money_put<_CharT, _OutIter>::
1604 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1605 const string_type& __digits) const
1607 typedef typename string_type::size_type size_type;
1608 typedef money_base::part part;
1609 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1611 const locale& __loc = __io._M_getloc();
1612 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1614 __use_cache<__cache_type> __uc;
1615 const __cache_type* __lc = __uc(__loc);
1616 const char_type* __lit = __lc->_M_atoms;
1618 // Determine if negative or positive formats are to be used, and
1619 // discard leading negative_sign if it is present.
1620 const char_type* __beg = __digits.data();
1622 money_base::pattern __p;
1623 const char_type* __sign;
1624 size_type __sign_size;
1625 if (!(*__beg == __lit[money_base::_S_minus]))
1627 __p = __lc->_M_pos_format;
1628 __sign = __lc->_M_positive_sign;
1629 __sign_size = __lc->_M_positive_sign_size;
1633 __p = __lc->_M_neg_format;
1634 __sign = __lc->_M_negative_sign;
1635 __sign_size = __lc->_M_negative_sign_size;
1636 if (__digits.size())
1640 // Look for valid numbers in the ctype facet within input digits.
1641 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1642 __beg + __digits.size()) - __beg;
1645 // Assume valid input, and attempt to format.
1646 // Break down input numbers into base components, as follows:
1647 // final_value = grouped units + (decimal point) + (digits)
1648 string_type __value;
1649 __value.reserve(2 * __len);
1651 // Add thousands separators to non-decimal digits, per
1653 long __paddec = __len - __lc->_M_frac_digits;
1656 if (__lc->_M_frac_digits < 0)
1658 if (__lc->_M_grouping_size)
1660 __value.assign(2 * __paddec, char_type());
1662 std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
1664 __lc->_M_grouping_size,
1665 __beg, __beg + __paddec);
1666 __value.erase(__vend - &__value[0]);
1669 __value.assign(__beg, __paddec);
1672 // Deal with decimal point, decimal digits.
1673 if (__lc->_M_frac_digits > 0)
1675 __value += __lc->_M_decimal_point;
1677 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1680 // Have to pad zeros in the decimal position.
1681 __value.append(-__paddec, __lit[money_base::_S_zero]);
1682 __value.append(__beg, __len);
1686 // Calculate length of resulting string.
1687 const ios_base::fmtflags __f = __io.flags()
1688 & ios_base::adjustfield;
1689 __len = __value.size() + __sign_size;
1690 __len += ((__io.flags() & ios_base::showbase)
1691 ? __lc->_M_curr_symbol_size : 0);
1694 __res.reserve(2 * __len);
1696 const size_type __width = static_cast<size_type>(__io.width());
1697 const bool __testipad = (__f == ios_base::internal
1698 && __len < __width);
1699 // Fit formatted digits into the required pattern.
1700 for (int __i = 0; __i < 4; ++__i)
1702 const part __which = static_cast<part>(__p.field[__i]);
1705 case money_base::symbol:
1706 if (__io.flags() & ios_base::showbase)
1707 __res.append(__lc->_M_curr_symbol,
1708 __lc->_M_curr_symbol_size);
1710 case money_base::sign:
1711 // Sign might not exist, or be more than one
1712 // charater long. In that case, add in the rest
1717 case money_base::value:
1720 case money_base::space:
1721 // At least one space is required, but if internal
1722 // formatting is required, an arbitrary number of
1723 // fill spaces will be necessary.
1725 __res.append(__width - __len, __fill);
1729 case money_base::none:
1731 __res.append(__width - __len, __fill);
1736 // Special case of multi-part sign parts.
1737 if (__sign_size > 1)
1738 __res.append(__sign + 1, __sign_size - 1);
1740 // Pad, if still necessary.
1741 __len = __res.size();
1742 if (__width > __len)
1744 if (__f == ios_base::left)
1746 __res.append(__width - __len, __fill);
1749 __res.insert(0, __width - __len, __fill);
1753 // Write resulting, fully-formatted string to output iterator.
1754 __s = std::__write(__s, __res.data(), __len);
1760 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1761 template<typename _CharT, typename _OutIter>
1763 money_put<_CharT, _OutIter>::
1764 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1765 double __units) const
1766 { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
1769 template<typename _CharT, typename _OutIter>
1771 money_put<_CharT, _OutIter>::
1772 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1773 long double __units) const
1775 const locale __loc = __io.getloc();
1776 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1777 #ifdef _GLIBCXX_USE_C99
1778 // First try a buffer perhaps big enough.
1780 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1781 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1782 // 328. Bad sprintf format modifier in money_put<>::do_put()
1783 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1784 "%.*Lf", 0, __units);
1785 // If the buffer was not large enough, try again with the correct size.
1786 if (__len >= __cs_size)
1788 __cs_size = __len + 1;
1789 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1790 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1791 "%.*Lf", 0, __units);
1794 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1795 const int __cs_size =
1796 __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 3;
1797 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1798 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1801 string_type __digits(__len, char_type());
1802 __ctype.widen(__cs, __cs + __len, &__digits[0]);
1803 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1804 : _M_insert<false>(__s, __io, __fill, __digits);
1807 template<typename _CharT, typename _OutIter>
1809 money_put<_CharT, _OutIter>::
1810 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1811 const string_type& __digits) const
1812 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1813 : _M_insert<false>(__s, __io, __fill, __digits); }
1815 _GLIBCXX_END_LDBL_NAMESPACE
1817 // NB: Not especially useful. Without an ios_base object or some
1818 // kind of locale reference, we are left clawing at the air where
1819 // the side of the mountain used to be...
1820 template<typename _CharT, typename _InIter>
1821 time_base::dateorder
1822 time_get<_CharT, _InIter>::do_date_order() const
1823 { return time_base::no_order; }
1825 // Expand a strftime format string and parse it. E.g., do_get_date() may
1826 // pass %m/%d/%Y => extracted characters.
1827 template<typename _CharT, typename _InIter>
1829 time_get<_CharT, _InIter>::
1830 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1831 ios_base::iostate& __err, tm* __tm,
1832 const _CharT* __format) const
1834 const locale& __loc = __io._M_getloc();
1835 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1836 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1837 const size_t __len = char_traits<_CharT>::length(__format);
1839 ios_base::iostate __tmperr = ios_base::goodbit;
1840 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1842 if (__ctype.narrow(__format[__i], 0) == '%')
1844 // Verify valid formatting code, attempt to extract.
1845 char __c = __ctype.narrow(__format[++__i], 0);
1847 if (__c == 'E' || __c == 'O')
1848 __c = __ctype.narrow(__format[++__i], 0);
1854 // Abbreviated weekday name [tm_wday]
1855 const char_type* __days1[7];
1856 __tp._M_days_abbreviated(__days1);
1857 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1861 // Weekday name [tm_wday].
1862 const char_type* __days2[7];
1863 __tp._M_days(__days2);
1864 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1869 // Abbreviated month name [tm_mon]
1870 const char_type* __months1[12];
1871 __tp._M_months_abbreviated(__months1);
1872 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1873 __months1, 12, __io, __tmperr);
1876 // Month name [tm_mon].
1877 const char_type* __months2[12];
1878 __tp._M_months(__months2);
1879 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1880 __months2, 12, __io, __tmperr);
1883 // Default time and date representation.
1884 const char_type* __dt[2];
1885 __tp._M_date_time_formats(__dt);
1886 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1890 // Day [01, 31]. [tm_mday]
1891 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1895 // Day [1, 31], with single digits preceded by
1897 if (__ctype.is(ctype_base::space, *__beg))
1898 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1901 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1905 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1907 __ctype.widen(__cs, __cs + 9, __wcs);
1908 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1912 // Hour [00, 23]. [tm_hour]
1913 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1917 // Hour [01, 12]. [tm_hour]
1918 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1922 // Month [01, 12]. [tm_mon]
1923 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1926 __tm->tm_mon = __mem - 1;
1929 // Minute [00, 59]. [tm_min]
1930 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1934 if (__ctype.narrow(*__beg, 0) == '\n')
1937 __tmperr |= ios_base::failbit;
1940 // Equivalent to (%H:%M).
1942 __ctype.widen(__cs, __cs + 6, __wcs);
1943 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1947 // Seconds. [tm_sec]
1948 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1949 #ifdef _GLIBCXX_USE_C99
1950 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1952 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1957 if (__ctype.narrow(*__beg, 0) == '\t')
1960 __tmperr |= ios_base::failbit;
1963 // Equivalent to (%H:%M:%S).
1965 __ctype.widen(__cs, __cs + 9, __wcs);
1966 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1971 const char_type* __dates[2];
1972 __tp._M_date_formats(__dates);
1973 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1978 const char_type* __times[2];
1979 __tp._M_time_formats(__times);
1980 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1985 // Two digit year. [tm_year]
1986 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1990 // Year [1900). [tm_year]
1991 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1994 __tm->tm_year = __mem - 1900;
1998 if (__ctype.is(ctype_base::upper, *__beg))
2001 __beg = _M_extract_name(__beg, __end, __tmp,
2002 __timepunct_cache<_CharT>::_S_timezones,
2003 14, __io, __tmperr);
2005 // GMT requires special effort.
2006 if (__beg != __end && !__tmperr && __tmp == 0
2007 && (*__beg == __ctype.widen('-')
2008 || *__beg == __ctype.widen('+')))
2010 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2012 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2017 __tmperr |= ios_base::failbit;
2021 __tmperr |= ios_base::failbit;
2026 // Verify format and input match, extract and discard.
2027 if (__format[__i] == *__beg)
2030 __tmperr |= ios_base::failbit;
2035 __err |= ios_base::failbit;
2040 template<typename _CharT, typename _InIter>
2042 time_get<_CharT, _InIter>::
2043 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2044 int __min, int __max, size_t __len,
2045 ios_base& __io, ios_base::iostate& __err) const
2047 const locale& __loc = __io._M_getloc();
2048 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2050 // As-is works for __len = 1, 2, 4, the values actually used.
2051 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2056 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2058 const char __c = __ctype.narrow(*__beg, '*');
2059 if (__c >= '0' && __c <= '9')
2061 __value = __value * 10 + (__c - '0');
2062 const int __valuec = __value * __mult;
2063 if (__valuec > __max || __valuec + __mult < __min)
2073 __err |= ios_base::failbit;
2079 // All elements in __names are unique.
2080 template<typename _CharT, typename _InIter>
2082 time_get<_CharT, _InIter>::
2083 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2084 const _CharT** __names, size_t __indexlen,
2085 ios_base& __io, ios_base::iostate& __err) const
2087 typedef char_traits<_CharT> __traits_type;
2088 const locale& __loc = __io._M_getloc();
2089 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2091 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2093 size_t __nmatches = 0;
2095 bool __testvalid = true;
2096 const char_type* __name;
2098 // Look for initial matches.
2099 // NB: Some of the locale data is in the form of all lowercase
2100 // names, and some is in the form of initially-capitalized
2101 // names. Look for both.
2104 const char_type __c = *__beg;
2105 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2106 if (__c == __names[__i1][0]
2107 || __c == __ctype.toupper(__names[__i1][0]))
2108 __matches[__nmatches++] = __i1;
2111 while (__nmatches > 1)
2113 // Find smallest matching string.
2114 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2115 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2116 __minlen = std::min(__minlen,
2117 __traits_type::length(__names[__matches[__i2]]));
2119 if (__pos < __minlen && __beg != __end)
2120 for (size_t __i3 = 0; __i3 < __nmatches;)
2122 __name = __names[__matches[__i3]];
2123 if (!(__name[__pos] == *__beg))
2124 __matches[__i3] = __matches[--__nmatches];
2132 if (__nmatches == 1)
2134 // Make sure found name is completely extracted.
2136 __name = __names[__matches[0]];
2137 const size_t __len = __traits_type::length(__name);
2138 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2142 __member = __matches[0];
2144 __testvalid = false;
2147 __testvalid = false;
2149 __err |= ios_base::failbit;
2154 template<typename _CharT, typename _InIter>
2156 time_get<_CharT, _InIter>::
2157 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2158 ios_base::iostate& __err, tm* __tm) const
2160 const locale& __loc = __io._M_getloc();
2161 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2162 const char_type* __times[2];
2163 __tp._M_time_formats(__times);
2164 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2167 __err |= ios_base::eofbit;
2171 template<typename _CharT, typename _InIter>
2173 time_get<_CharT, _InIter>::
2174 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2175 ios_base::iostate& __err, tm* __tm) const
2177 const locale& __loc = __io._M_getloc();
2178 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2179 const char_type* __dates[2];
2180 __tp._M_date_formats(__dates);
2181 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2184 __err |= ios_base::eofbit;
2188 template<typename _CharT, typename _InIter>
2190 time_get<_CharT, _InIter>::
2191 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2192 ios_base::iostate& __err, tm* __tm) const
2194 typedef char_traits<_CharT> __traits_type;
2195 const locale& __loc = __io._M_getloc();
2196 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2197 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2198 const char_type* __days[7];
2199 __tp._M_days_abbreviated(__days);
2201 ios_base::iostate __tmperr = ios_base::goodbit;
2202 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2205 // Check to see if non-abbreviated name exists, and extract.
2206 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2207 // exact same order, first to last, such that the resulting
2208 // __days array with the same index points to a day, and that
2209 // day's abbreviated form.
2210 // NB: Also assumes that an abbreviated name is a subset of the name.
2211 if (!__tmperr && __beg != __end)
2213 size_t __pos = __traits_type::length(__days[__tmpwday]);
2214 __tp._M_days(__days);
2215 const char_type* __name = __days[__tmpwday];
2216 if (__name[__pos] == *__beg)
2218 // Extract the rest of it.
2219 const size_t __len = __traits_type::length(__name);
2220 while (__pos < __len && __beg != __end
2221 && __name[__pos] == *__beg)
2224 __tmperr |= ios_base::failbit;
2228 __tm->tm_wday = __tmpwday;
2230 __err |= ios_base::failbit;
2233 __err |= ios_base::eofbit;
2237 template<typename _CharT, typename _InIter>
2239 time_get<_CharT, _InIter>::
2240 do_get_monthname(iter_type __beg, iter_type __end,
2241 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2243 typedef char_traits<_CharT> __traits_type;
2244 const locale& __loc = __io._M_getloc();
2245 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2246 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2247 const char_type* __months[12];
2248 __tp._M_months_abbreviated(__months);
2250 ios_base::iostate __tmperr = ios_base::goodbit;
2251 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2254 // Check to see if non-abbreviated name exists, and extract.
2255 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2256 // exact same order, first to last, such that the resulting
2257 // __months array with the same index points to a month, and that
2258 // month's abbreviated form.
2259 // NB: Also assumes that an abbreviated name is a subset of the name.
2260 if (!__tmperr && __beg != __end)
2262 size_t __pos = __traits_type::length(__months[__tmpmon]);
2263 __tp._M_months(__months);
2264 const char_type* __name = __months[__tmpmon];
2265 if (__name[__pos] == *__beg)
2267 // Extract the rest of it.
2268 const size_t __len = __traits_type::length(__name);
2269 while (__pos < __len && __beg != __end
2270 && __name[__pos] == *__beg)
2273 __tmperr |= ios_base::failbit;
2277 __tm->tm_mon = __tmpmon;
2279 __err |= ios_base::failbit;
2282 __err |= ios_base::eofbit;
2286 template<typename _CharT, typename _InIter>
2288 time_get<_CharT, _InIter>::
2289 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2290 ios_base::iostate& __err, tm* __tm) const
2292 const locale& __loc = __io._M_getloc();
2293 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2297 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2299 const char __c = __ctype.narrow(*__beg, '*');
2300 if (__c >= '0' && __c <= '9')
2301 __value = __value * 10 + (__c - '0');
2305 if (__i == 2 || __i == 4)
2306 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2308 __err |= ios_base::failbit;
2311 __err |= ios_base::eofbit;
2315 template<typename _CharT, typename _OutIter>
2317 time_put<_CharT, _OutIter>::
2318 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2319 const _CharT* __beg, const _CharT* __end) const
2321 const locale& __loc = __io._M_getloc();
2322 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2323 for (; __beg != __end; ++__beg)
2324 if (__ctype.narrow(*__beg, 0) != '%')
2329 else if (++__beg != __end)
2333 const char __c = __ctype.narrow(*__beg, 0);
2334 if (__c != 'E' && __c != 'O')
2336 else if (++__beg != __end)
2339 __format = __ctype.narrow(*__beg, 0);
2343 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2350 template<typename _CharT, typename _OutIter>
2352 time_put<_CharT, _OutIter>::
2353 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2354 char __format, char __mod) const
2356 const locale& __loc = __io._M_getloc();
2357 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2358 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2360 // NB: This size is arbitrary. Should this be a data member,
2361 // initialized at construction?
2362 const size_t __maxlen = 128;
2364 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2366 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2367 // is possible that the format character will be longer than one
2368 // character. Possibilities include 'E' or 'O' followed by a
2369 // format character: if __mod is not the default argument, assume
2370 // it's a valid modifier.
2372 __fmt[0] = __ctype.widen('%');
2375 __fmt[1] = __format;
2376 __fmt[2] = char_type();
2381 __fmt[2] = __format;
2382 __fmt[3] = char_type();
2385 __tp._M_put(__res, __maxlen, __fmt, __tm);
2387 // Write resulting, fully-formatted string to output iterator.
2388 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2391 // Generic version does nothing.
2392 template<typename _CharT>
2394 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2397 // Generic version does nothing.
2398 template<typename _CharT>
2400 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2403 template<typename _CharT>
2406 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2407 const _CharT* __lo2, const _CharT* __hi2) const
2409 // strcoll assumes zero-terminated strings so we make a copy
2410 // and then put a zero at the end.
2411 const string_type __one(__lo1, __hi1);
2412 const string_type __two(__lo2, __hi2);
2414 const _CharT* __p = __one.c_str();
2415 const _CharT* __pend = __one.data() + __one.length();
2416 const _CharT* __q = __two.c_str();
2417 const _CharT* __qend = __two.data() + __two.length();
2419 // strcoll stops when it sees a nul character so we break
2420 // the strings into zero-terminated substrings and pass those
2424 const int __res = _M_compare(__p, __q);
2428 __p += char_traits<_CharT>::length(__p);
2429 __q += char_traits<_CharT>::length(__q);
2430 if (__p == __pend && __q == __qend)
2432 else if (__p == __pend)
2434 else if (__q == __qend)
2442 template<typename _CharT>
2443 typename collate<_CharT>::string_type
2445 do_transform(const _CharT* __lo, const _CharT* __hi) const
2449 // strxfrm assumes zero-terminated strings so we make a copy
2450 const string_type __str(__lo, __hi);
2452 const _CharT* __p = __str.c_str();
2453 const _CharT* __pend = __str.data() + __str.length();
2455 size_t __len = (__hi - __lo) * 2;
2457 _CharT* __c = new _CharT[__len];
2461 // strxfrm stops when it sees a nul character so we break
2462 // the string into zero-terminated substrings and pass those
2466 // First try a buffer perhaps big enough.
2467 size_t __res = _M_transform(__c, __p, __len);
2468 // If the buffer was not large enough, try again with the
2473 delete [] __c, __c = 0;
2474 __c = new _CharT[__len];
2475 __res = _M_transform(__c, __p, __len);
2478 __ret.append(__c, __res);
2479 __p += char_traits<_CharT>::length(__p);
2484 __ret.push_back(_CharT());
2490 __throw_exception_again;
2498 template<typename _CharT>
2501 do_hash(const _CharT* __lo, const _CharT* __hi) const
2503 unsigned long __val = 0;
2504 for (; __lo < __hi; ++__lo)
2506 *__lo + ((__val << 7)
2507 | (__val >> (__gnu_cxx::__numeric_traits<unsigned long>::
2509 return static_cast<long>(__val);
2512 // Construct correctly padded string, as per 22.2.2.2.2
2514 // __newlen > __oldlen
2515 // __news is allocated for __newlen size
2517 // NB: Of the two parameters, _CharT can be deduced from the
2518 // function arguments. The other (_Traits) has to be explicitly specified.
2519 template<typename _CharT, typename _Traits>
2521 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2522 _CharT* __news, const _CharT* __olds,
2523 const streamsize __newlen,
2524 const streamsize __oldlen)
2526 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2527 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2530 if (__adjust == ios_base::left)
2532 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2533 _Traits::assign(__news + __oldlen, __plen, __fill);
2538 if (__adjust == ios_base::internal)
2540 // Pad after the sign, if there is one.
2541 // Pad after 0[xX], if there is one.
2542 // Who came up with these rules, anyway? Jeeze.
2543 const locale& __loc = __io._M_getloc();
2544 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2546 const bool __testsign = (__ctype.widen('-') == __olds[0]
2547 || __ctype.widen('+') == __olds[0]);
2548 const bool __testhex = (__ctype.widen('0') == __olds[0]
2550 && (__ctype.widen('x') == __olds[1]
2551 || __ctype.widen('X') == __olds[1]));
2554 __news[0] = __olds[0];
2555 __news[1] = __olds[1];
2559 else if (__testsign)
2561 __news[0] = __olds[0];
2565 // else Padding first.
2567 _Traits::assign(__news, __plen, __fill);
2568 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2573 __verify_grouping(const char* __grouping, size_t __grouping_size,
2574 const string& __grouping_tmp)
2576 const size_t __n = __grouping_tmp.size() - 1;
2577 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2581 // Parsed number groupings have to match the
2582 // numpunct::grouping string exactly, starting at the
2583 // right-most point of the parsed sequence of elements ...
2584 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2585 __test = __grouping_tmp[__i] == __grouping[__j];
2586 for (; __i && __test; --__i)
2587 __test = __grouping_tmp[__i] == __grouping[__min];
2588 // ... but the first parsed grouping can be <= numpunct
2589 // grouping (only do the check if the numpunct char is > 0
2590 // because <= 0 means any size is ok).
2591 if (static_cast<signed char>(__grouping[__min]) > 0)
2592 __test &= __grouping_tmp[0] <= __grouping[__min];
2596 template<typename _CharT>
2598 __add_grouping(_CharT* __s, _CharT __sep,
2599 const char* __gbeg, size_t __gsize,
2600 const _CharT* __first, const _CharT* __last)
2605 while (__last - __first > __gbeg[__idx]
2606 && static_cast<signed char>(__gbeg[__idx]) > 0)
2608 __last -= __gbeg[__idx];
2609 __idx < __gsize - 1 ? ++__idx : ++__ctr;
2612 while (__first != __last)
2613 *__s++ = *__first++;
2618 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2619 *__s++ = *__first++;
2625 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2626 *__s++ = *__first++;
2632 // Inhibit implicit instantiations for required instantiations,
2633 // which are defined via explicit instantiations elsewhere.
2634 // NB: This syntax is a GNU extension.
2635 #if _GLIBCXX_EXTERN_TEMPLATE
2636 extern template class moneypunct<char, false>;
2637 extern template class moneypunct<char, true>;
2638 extern template class moneypunct_byname<char, false>;
2639 extern template class moneypunct_byname<char, true>;
2640 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2641 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2642 extern template class numpunct<char>;
2643 extern template class numpunct_byname<char>;
2644 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2645 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2646 extern template class __timepunct<char>;
2647 extern template class time_put<char>;
2648 extern template class time_put_byname<char>;
2649 extern template class time_get<char>;
2650 extern template class time_get_byname<char>;
2651 extern template class messages<char>;
2652 extern template class messages_byname<char>;
2653 extern template class ctype_byname<char>;
2654 extern template class codecvt_byname<char, char, mbstate_t>;
2655 extern template class collate<char>;
2656 extern template class collate_byname<char>;
2659 const codecvt<char, char, mbstate_t>&
2660 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2663 const collate<char>&
2664 use_facet<collate<char> >(const locale&);
2667 const numpunct<char>&
2668 use_facet<numpunct<char> >(const locale&);
2671 const num_put<char>&
2672 use_facet<num_put<char> >(const locale&);
2675 const num_get<char>&
2676 use_facet<num_get<char> >(const locale&);
2679 const moneypunct<char, true>&
2680 use_facet<moneypunct<char, true> >(const locale&);
2683 const moneypunct<char, false>&
2684 use_facet<moneypunct<char, false> >(const locale&);
2687 const money_put<char>&
2688 use_facet<money_put<char> >(const locale&);
2691 const money_get<char>&
2692 use_facet<money_get<char> >(const locale&);
2695 const __timepunct<char>&
2696 use_facet<__timepunct<char> >(const locale&);
2699 const time_put<char>&
2700 use_facet<time_put<char> >(const locale&);
2703 const time_get<char>&
2704 use_facet<time_get<char> >(const locale&);
2707 const messages<char>&
2708 use_facet<messages<char> >(const locale&);
2712 has_facet<ctype<char> >(const locale&);
2716 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2720 has_facet<collate<char> >(const locale&);
2724 has_facet<numpunct<char> >(const locale&);
2728 has_facet<num_put<char> >(const locale&);
2732 has_facet<num_get<char> >(const locale&);
2736 has_facet<moneypunct<char> >(const locale&);
2740 has_facet<money_put<char> >(const locale&);
2744 has_facet<money_get<char> >(const locale&);
2748 has_facet<__timepunct<char> >(const locale&);
2752 has_facet<time_put<char> >(const locale&);
2756 has_facet<time_get<char> >(const locale&);
2760 has_facet<messages<char> >(const locale&);
2762 #ifdef _GLIBCXX_USE_WCHAR_T
2763 extern template class moneypunct<wchar_t, false>;
2764 extern template class moneypunct<wchar_t, true>;
2765 extern template class moneypunct_byname<wchar_t, false>;
2766 extern template class moneypunct_byname<wchar_t, true>;
2767 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2768 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2769 extern template class numpunct<wchar_t>;
2770 extern template class numpunct_byname<wchar_t>;
2771 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2772 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2773 extern template class __timepunct<wchar_t>;
2774 extern template class time_put<wchar_t>;
2775 extern template class time_put_byname<wchar_t>;
2776 extern template class time_get<wchar_t>;
2777 extern template class time_get_byname<wchar_t>;
2778 extern template class messages<wchar_t>;
2779 extern template class messages_byname<wchar_t>;
2780 extern template class ctype_byname<wchar_t>;
2781 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2782 extern template class collate<wchar_t>;
2783 extern template class collate_byname<wchar_t>;
2786 const codecvt<wchar_t, char, mbstate_t>&
2787 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2790 const collate<wchar_t>&
2791 use_facet<collate<wchar_t> >(const locale&);
2794 const numpunct<wchar_t>&
2795 use_facet<numpunct<wchar_t> >(const locale&);
2798 const num_put<wchar_t>&
2799 use_facet<num_put<wchar_t> >(const locale&);
2802 const num_get<wchar_t>&
2803 use_facet<num_get<wchar_t> >(const locale&);
2806 const moneypunct<wchar_t, true>&
2807 use_facet<moneypunct<wchar_t, true> >(const locale&);
2810 const moneypunct<wchar_t, false>&
2811 use_facet<moneypunct<wchar_t, false> >(const locale&);
2814 const money_put<wchar_t>&
2815 use_facet<money_put<wchar_t> >(const locale&);
2818 const money_get<wchar_t>&
2819 use_facet<money_get<wchar_t> >(const locale&);
2822 const __timepunct<wchar_t>&
2823 use_facet<__timepunct<wchar_t> >(const locale&);
2826 const time_put<wchar_t>&
2827 use_facet<time_put<wchar_t> >(const locale&);
2830 const time_get<wchar_t>&
2831 use_facet<time_get<wchar_t> >(const locale&);
2834 const messages<wchar_t>&
2835 use_facet<messages<wchar_t> >(const locale&);
2839 has_facet<ctype<wchar_t> >(const locale&);
2843 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2847 has_facet<collate<wchar_t> >(const locale&);
2851 has_facet<numpunct<wchar_t> >(const locale&);
2855 has_facet<num_put<wchar_t> >(const locale&);
2859 has_facet<num_get<wchar_t> >(const locale&);
2863 has_facet<moneypunct<wchar_t> >(const locale&);
2867 has_facet<money_put<wchar_t> >(const locale&);
2871 has_facet<money_get<wchar_t> >(const locale&);
2875 has_facet<__timepunct<wchar_t> >(const locale&);
2879 has_facet<time_put<wchar_t> >(const locale&);
2883 has_facet<time_get<wchar_t> >(const locale&);
2887 has_facet<messages<wchar_t> >(const locale&);
2891 _GLIBCXX_END_NAMESPACE