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 typedef __gnu_cxx::__conditional_type<(sizeof(const void*)
1317 <= sizeof(unsigned long)),
1318 unsigned long, unsigned long long>::__type _UIntPtrType;
1320 __s = _M_insert_int(__s, __io, __fill,
1321 reinterpret_cast<_UIntPtrType>(__v));
1322 __io.flags(__flags);
1326 template<typename _CharT, typename _InIter>
1327 template<bool _Intl>
1329 money_get<_CharT, _InIter>::
1330 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1331 ios_base::iostate& __err, string& __units) const
1333 typedef char_traits<_CharT> __traits_type;
1334 typedef typename string_type::size_type size_type;
1335 typedef money_base::part part;
1336 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1338 const locale& __loc = __io._M_getloc();
1339 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1341 __use_cache<__cache_type> __uc;
1342 const __cache_type* __lc = __uc(__loc);
1343 const char_type* __lit = __lc->_M_atoms;
1346 bool __negative = false;
1348 size_type __sign_size = 0;
1349 // True if sign is mandatory.
1350 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1351 && __lc->_M_negative_sign_size);
1352 // String of grouping info from thousands_sep plucked from __units.
1353 string __grouping_tmp;
1354 if (__lc->_M_use_grouping)
1355 __grouping_tmp.reserve(32);
1356 // Last position before the decimal point.
1358 // Separator positions, then, possibly, fractional digits.
1360 // If input iterator is in a valid state.
1361 bool __testvalid = true;
1362 // Flag marking when a decimal point is found.
1363 bool __testdecfound = false;
1365 // The tentative returned string is stored here.
1369 const char_type* __lit_zero = __lit + money_base::_S_zero;
1370 const money_base::pattern __p = __lc->_M_neg_format;
1371 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1373 const part __which = static_cast<part>(__p.field[__i]);
1376 case money_base::symbol:
1377 // According to 22.2.6.1.2, p2, symbol is required
1378 // if (__io.flags() & ios_base::showbase), otherwise
1379 // is optional and consumed only if other characters
1380 // are needed to complete the format.
1381 if (__io.flags() & ios_base::showbase || __sign_size > 1
1383 || (__i == 1 && (__mandatory_sign
1384 || (static_cast<part>(__p.field[0])
1385 == money_base::sign)
1386 || (static_cast<part>(__p.field[2])
1387 == money_base::space)))
1388 || (__i == 2 && ((static_cast<part>(__p.field[3])
1389 == money_base::value)
1390 || (__mandatory_sign
1391 && (static_cast<part>(__p.field[3])
1392 == money_base::sign)))))
1394 const size_type __len = __lc->_M_curr_symbol_size;
1396 for (; __beg != __end && __j < __len
1397 && *__beg == __lc->_M_curr_symbol[__j];
1400 && (__j || __io.flags() & ios_base::showbase))
1401 __testvalid = false;
1404 case money_base::sign:
1405 // Sign might not exist, or be more than one character long.
1406 if (__lc->_M_positive_sign_size && __beg != __end
1407 && *__beg == __lc->_M_positive_sign[0])
1409 __sign_size = __lc->_M_positive_sign_size;
1412 else if (__lc->_M_negative_sign_size && __beg != __end
1413 && *__beg == __lc->_M_negative_sign[0])
1416 __sign_size = __lc->_M_negative_sign_size;
1419 else if (__lc->_M_positive_sign_size
1420 && !__lc->_M_negative_sign_size)
1421 // "... if no sign is detected, the result is given the sign
1422 // that corresponds to the source of the empty string"
1424 else if (__mandatory_sign)
1425 __testvalid = false;
1427 case money_base::value:
1428 // Extract digits, remove and stash away the
1429 // grouping of found thousands separators.
1430 for (; __beg != __end; ++__beg)
1432 const char_type __c = *__beg;
1433 const char_type* __q = __traits_type::find(__lit_zero,
1437 __res += money_base::_S_atoms[__q - __lit];
1440 else if (__c == __lc->_M_decimal_point
1445 __testdecfound = true;
1447 else if (__lc->_M_use_grouping
1448 && __c == __lc->_M_thousands_sep
1453 // Mark position for later analysis.
1454 __grouping_tmp += static_cast<char>(__n);
1459 __testvalid = false;
1467 __testvalid = false;
1469 case money_base::space:
1470 // At least one space is required.
1471 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1474 __testvalid = false;
1475 case money_base::none:
1476 // Only if not at the end of the pattern.
1478 for (; __beg != __end
1479 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1484 // Need to get the rest of the sign characters, if they exist.
1485 if (__sign_size > 1 && __testvalid)
1487 const char_type* __sign = __negative ? __lc->_M_negative_sign
1488 : __lc->_M_positive_sign;
1490 for (; __beg != __end && __i < __sign_size
1491 && *__beg == __sign[__i]; ++__beg, ++__i);
1493 if (__i != __sign_size)
1494 __testvalid = false;
1499 // Strip leading zeros.
1500 if (__res.size() > 1)
1502 const size_type __first = __res.find_first_not_of('0');
1503 const bool __only_zeros = __first == string::npos;
1505 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1509 if (__negative && __res[0] != '0')
1510 __res.insert(__res.begin(), '-');
1512 // Test for grouping fidelity.
1513 if (__grouping_tmp.size())
1515 // Add the ending grouping.
1516 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1518 if (!std::__verify_grouping(__lc->_M_grouping,
1519 __lc->_M_grouping_size,
1521 __err |= ios_base::failbit;
1524 // Iff not enough digits were supplied after the decimal-point.
1525 if (__testdecfound && __lc->_M_frac_digits > 0
1526 && __n != __lc->_M_frac_digits)
1527 __testvalid = false;
1530 // Iff valid sequence is not recognized.
1532 __err |= ios_base::failbit;
1534 __units.swap(__res);
1536 // Iff no more characters are available.
1538 __err |= ios_base::eofbit;
1542 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1543 template<typename _CharT, typename _InIter>
1545 money_get<_CharT, _InIter>::
1546 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1547 ios_base::iostate& __err, double& __units) const
1550 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1551 : _M_extract<false>(__beg, __end, __io, __err, __str);
1552 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1557 template<typename _CharT, typename _InIter>
1559 money_get<_CharT, _InIter>::
1560 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1561 ios_base::iostate& __err, long double& __units) const
1564 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1565 : _M_extract<false>(__beg, __end, __io, __err, __str);
1566 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1570 template<typename _CharT, typename _InIter>
1572 money_get<_CharT, _InIter>::
1573 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1574 ios_base::iostate& __err, string_type& __digits) const
1576 typedef typename string::size_type size_type;
1578 const locale& __loc = __io._M_getloc();
1579 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1582 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
1583 : _M_extract<false>(__beg, __end, __io, __err, __str);
1584 const size_type __len = __str.size();
1587 __digits.resize(__len);
1588 __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
1593 template<typename _CharT, typename _OutIter>
1594 template<bool _Intl>
1596 money_put<_CharT, _OutIter>::
1597 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1598 const string_type& __digits) const
1600 typedef typename string_type::size_type size_type;
1601 typedef money_base::part part;
1602 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1604 const locale& __loc = __io._M_getloc();
1605 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1607 __use_cache<__cache_type> __uc;
1608 const __cache_type* __lc = __uc(__loc);
1609 const char_type* __lit = __lc->_M_atoms;
1611 // Determine if negative or positive formats are to be used, and
1612 // discard leading negative_sign if it is present.
1613 const char_type* __beg = __digits.data();
1615 money_base::pattern __p;
1616 const char_type* __sign;
1617 size_type __sign_size;
1618 if (!(*__beg == __lit[money_base::_S_minus]))
1620 __p = __lc->_M_pos_format;
1621 __sign = __lc->_M_positive_sign;
1622 __sign_size = __lc->_M_positive_sign_size;
1626 __p = __lc->_M_neg_format;
1627 __sign = __lc->_M_negative_sign;
1628 __sign_size = __lc->_M_negative_sign_size;
1629 if (__digits.size())
1633 // Look for valid numbers in the ctype facet within input digits.
1634 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1635 __beg + __digits.size()) - __beg;
1638 // Assume valid input, and attempt to format.
1639 // Break down input numbers into base components, as follows:
1640 // final_value = grouped units + (decimal point) + (digits)
1641 string_type __value;
1642 __value.reserve(2 * __len);
1644 // Add thousands separators to non-decimal digits, per
1646 long __paddec = __len - __lc->_M_frac_digits;
1649 if (__lc->_M_frac_digits < 0)
1651 if (__lc->_M_grouping_size)
1653 __value.assign(2 * __paddec, char_type());
1655 std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
1657 __lc->_M_grouping_size,
1658 __beg, __beg + __paddec);
1659 __value.erase(__vend - &__value[0]);
1662 __value.assign(__beg, __paddec);
1665 // Deal with decimal point, decimal digits.
1666 if (__lc->_M_frac_digits > 0)
1668 __value += __lc->_M_decimal_point;
1670 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1673 // Have to pad zeros in the decimal position.
1674 __value.append(-__paddec, __lit[money_base::_S_zero]);
1675 __value.append(__beg, __len);
1679 // Calculate length of resulting string.
1680 const ios_base::fmtflags __f = __io.flags()
1681 & ios_base::adjustfield;
1682 __len = __value.size() + __sign_size;
1683 __len += ((__io.flags() & ios_base::showbase)
1684 ? __lc->_M_curr_symbol_size : 0);
1687 __res.reserve(2 * __len);
1689 const size_type __width = static_cast<size_type>(__io.width());
1690 const bool __testipad = (__f == ios_base::internal
1691 && __len < __width);
1692 // Fit formatted digits into the required pattern.
1693 for (int __i = 0; __i < 4; ++__i)
1695 const part __which = static_cast<part>(__p.field[__i]);
1698 case money_base::symbol:
1699 if (__io.flags() & ios_base::showbase)
1700 __res.append(__lc->_M_curr_symbol,
1701 __lc->_M_curr_symbol_size);
1703 case money_base::sign:
1704 // Sign might not exist, or be more than one
1705 // charater long. In that case, add in the rest
1710 case money_base::value:
1713 case money_base::space:
1714 // At least one space is required, but if internal
1715 // formatting is required, an arbitrary number of
1716 // fill spaces will be necessary.
1718 __res.append(__width - __len, __fill);
1722 case money_base::none:
1724 __res.append(__width - __len, __fill);
1729 // Special case of multi-part sign parts.
1730 if (__sign_size > 1)
1731 __res.append(__sign + 1, __sign_size - 1);
1733 // Pad, if still necessary.
1734 __len = __res.size();
1735 if (__width > __len)
1737 if (__f == ios_base::left)
1739 __res.append(__width - __len, __fill);
1742 __res.insert(0, __width - __len, __fill);
1746 // Write resulting, fully-formatted string to output iterator.
1747 __s = std::__write(__s, __res.data(), __len);
1753 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1754 template<typename _CharT, typename _OutIter>
1756 money_put<_CharT, _OutIter>::
1757 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1758 double __units) const
1759 { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
1762 template<typename _CharT, typename _OutIter>
1764 money_put<_CharT, _OutIter>::
1765 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1766 long double __units) const
1768 const locale __loc = __io.getloc();
1769 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1770 #ifdef _GLIBCXX_USE_C99
1771 // First try a buffer perhaps big enough.
1773 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1774 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1775 // 328. Bad sprintf format modifier in money_put<>::do_put()
1776 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1777 "%.*Lf", 0, __units);
1778 // If the buffer was not large enough, try again with the correct size.
1779 if (__len >= __cs_size)
1781 __cs_size = __len + 1;
1782 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1783 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1784 "%.*Lf", 0, __units);
1787 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1788 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1789 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1790 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1793 string_type __digits(__len, char_type());
1794 __ctype.widen(__cs, __cs + __len, &__digits[0]);
1795 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1796 : _M_insert<false>(__s, __io, __fill, __digits);
1799 template<typename _CharT, typename _OutIter>
1801 money_put<_CharT, _OutIter>::
1802 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1803 const string_type& __digits) const
1804 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1805 : _M_insert<false>(__s, __io, __fill, __digits); }
1807 _GLIBCXX_END_LDBL_NAMESPACE
1809 // NB: Not especially useful. Without an ios_base object or some
1810 // kind of locale reference, we are left clawing at the air where
1811 // the side of the mountain used to be...
1812 template<typename _CharT, typename _InIter>
1813 time_base::dateorder
1814 time_get<_CharT, _InIter>::do_date_order() const
1815 { return time_base::no_order; }
1817 // Expand a strftime format string and parse it. E.g., do_get_date() may
1818 // pass %m/%d/%Y => extracted characters.
1819 template<typename _CharT, typename _InIter>
1821 time_get<_CharT, _InIter>::
1822 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1823 ios_base::iostate& __err, tm* __tm,
1824 const _CharT* __format) const
1826 const locale& __loc = __io._M_getloc();
1827 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1828 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1829 const size_t __len = char_traits<_CharT>::length(__format);
1831 ios_base::iostate __tmperr = ios_base::goodbit;
1832 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1834 if (__ctype.narrow(__format[__i], 0) == '%')
1836 // Verify valid formatting code, attempt to extract.
1837 char __c = __ctype.narrow(__format[++__i], 0);
1839 if (__c == 'E' || __c == 'O')
1840 __c = __ctype.narrow(__format[++__i], 0);
1846 // Abbreviated weekday name [tm_wday]
1847 const char_type* __days1[7];
1848 __tp._M_days_abbreviated(__days1);
1849 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1853 // Weekday name [tm_wday].
1854 const char_type* __days2[7];
1855 __tp._M_days(__days2);
1856 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1861 // Abbreviated month name [tm_mon]
1862 const char_type* __months1[12];
1863 __tp._M_months_abbreviated(__months1);
1864 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1865 __months1, 12, __io, __tmperr);
1868 // Month name [tm_mon].
1869 const char_type* __months2[12];
1870 __tp._M_months(__months2);
1871 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1872 __months2, 12, __io, __tmperr);
1875 // Default time and date representation.
1876 const char_type* __dt[2];
1877 __tp._M_date_time_formats(__dt);
1878 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1882 // Day [01, 31]. [tm_mday]
1883 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1887 // Day [1, 31], with single digits preceded by
1889 if (__ctype.is(ctype_base::space, *__beg))
1890 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1893 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1897 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1899 __ctype.widen(__cs, __cs + 9, __wcs);
1900 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1904 // Hour [00, 23]. [tm_hour]
1905 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1909 // Hour [01, 12]. [tm_hour]
1910 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1914 // Month [01, 12]. [tm_mon]
1915 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1918 __tm->tm_mon = __mem - 1;
1921 // Minute [00, 59]. [tm_min]
1922 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1926 if (__ctype.narrow(*__beg, 0) == '\n')
1929 __tmperr |= ios_base::failbit;
1932 // Equivalent to (%H:%M).
1934 __ctype.widen(__cs, __cs + 6, __wcs);
1935 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1939 // Seconds. [tm_sec]
1940 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1941 #ifdef _GLIBCXX_USE_C99
1942 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1944 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1949 if (__ctype.narrow(*__beg, 0) == '\t')
1952 __tmperr |= ios_base::failbit;
1955 // Equivalent to (%H:%M:%S).
1957 __ctype.widen(__cs, __cs + 9, __wcs);
1958 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1963 const char_type* __dates[2];
1964 __tp._M_date_formats(__dates);
1965 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1970 const char_type* __times[2];
1971 __tp._M_time_formats(__times);
1972 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1977 // Two digit year. [tm_year]
1978 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1982 // Year [1900). [tm_year]
1983 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1986 __tm->tm_year = __mem - 1900;
1990 if (__ctype.is(ctype_base::upper, *__beg))
1993 __beg = _M_extract_name(__beg, __end, __tmp,
1994 __timepunct_cache<_CharT>::_S_timezones,
1995 14, __io, __tmperr);
1997 // GMT requires special effort.
1998 if (__beg != __end && !__tmperr && __tmp == 0
1999 && (*__beg == __ctype.widen('-')
2000 || *__beg == __ctype.widen('+')))
2002 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2004 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2009 __tmperr |= ios_base::failbit;
2013 __tmperr |= ios_base::failbit;
2018 // Verify format and input match, extract and discard.
2019 if (__format[__i] == *__beg)
2022 __tmperr |= ios_base::failbit;
2027 __err |= ios_base::failbit;
2032 template<typename _CharT, typename _InIter>
2034 time_get<_CharT, _InIter>::
2035 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2036 int __min, int __max, size_t __len,
2037 ios_base& __io, ios_base::iostate& __err) const
2039 const locale& __loc = __io._M_getloc();
2040 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2042 // As-is works for __len = 1, 2, 4, the values actually used.
2043 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2048 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2050 const char __c = __ctype.narrow(*__beg, '*');
2051 if (__c >= '0' && __c <= '9')
2053 __value = __value * 10 + (__c - '0');
2054 const int __valuec = __value * __mult;
2055 if (__valuec > __max || __valuec + __mult < __min)
2065 __err |= ios_base::failbit;
2071 // All elements in __names are unique.
2072 template<typename _CharT, typename _InIter>
2074 time_get<_CharT, _InIter>::
2075 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2076 const _CharT** __names, size_t __indexlen,
2077 ios_base& __io, ios_base::iostate& __err) const
2079 typedef char_traits<_CharT> __traits_type;
2080 const locale& __loc = __io._M_getloc();
2081 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2083 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2085 size_t __nmatches = 0;
2087 bool __testvalid = true;
2088 const char_type* __name;
2090 // Look for initial matches.
2091 // NB: Some of the locale data is in the form of all lowercase
2092 // names, and some is in the form of initially-capitalized
2093 // names. Look for both.
2096 const char_type __c = *__beg;
2097 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2098 if (__c == __names[__i1][0]
2099 || __c == __ctype.toupper(__names[__i1][0]))
2100 __matches[__nmatches++] = __i1;
2103 while (__nmatches > 1)
2105 // Find smallest matching string.
2106 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2107 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2108 __minlen = std::min(__minlen,
2109 __traits_type::length(__names[__matches[__i2]]));
2111 if (__pos < __minlen && __beg != __end)
2112 for (size_t __i3 = 0; __i3 < __nmatches;)
2114 __name = __names[__matches[__i3]];
2115 if (!(__name[__pos] == *__beg))
2116 __matches[__i3] = __matches[--__nmatches];
2124 if (__nmatches == 1)
2126 // Make sure found name is completely extracted.
2128 __name = __names[__matches[0]];
2129 const size_t __len = __traits_type::length(__name);
2130 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2134 __member = __matches[0];
2136 __testvalid = false;
2139 __testvalid = false;
2141 __err |= ios_base::failbit;
2146 template<typename _CharT, typename _InIter>
2148 time_get<_CharT, _InIter>::
2149 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2150 ios_base::iostate& __err, tm* __tm) const
2152 const locale& __loc = __io._M_getloc();
2153 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2154 const char_type* __times[2];
2155 __tp._M_time_formats(__times);
2156 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2159 __err |= ios_base::eofbit;
2163 template<typename _CharT, typename _InIter>
2165 time_get<_CharT, _InIter>::
2166 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2167 ios_base::iostate& __err, tm* __tm) const
2169 const locale& __loc = __io._M_getloc();
2170 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2171 const char_type* __dates[2];
2172 __tp._M_date_formats(__dates);
2173 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2176 __err |= ios_base::eofbit;
2180 template<typename _CharT, typename _InIter>
2182 time_get<_CharT, _InIter>::
2183 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2184 ios_base::iostate& __err, tm* __tm) const
2186 typedef char_traits<_CharT> __traits_type;
2187 const locale& __loc = __io._M_getloc();
2188 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2189 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2190 const char_type* __days[7];
2191 __tp._M_days_abbreviated(__days);
2193 ios_base::iostate __tmperr = ios_base::goodbit;
2194 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2197 // Check to see if non-abbreviated name exists, and extract.
2198 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2199 // exact same order, first to last, such that the resulting
2200 // __days array with the same index points to a day, and that
2201 // day's abbreviated form.
2202 // NB: Also assumes that an abbreviated name is a subset of the name.
2203 if (!__tmperr && __beg != __end)
2205 size_t __pos = __traits_type::length(__days[__tmpwday]);
2206 __tp._M_days(__days);
2207 const char_type* __name = __days[__tmpwday];
2208 if (__name[__pos] == *__beg)
2210 // Extract the rest of it.
2211 const size_t __len = __traits_type::length(__name);
2212 while (__pos < __len && __beg != __end
2213 && __name[__pos] == *__beg)
2216 __tmperr |= ios_base::failbit;
2220 __tm->tm_wday = __tmpwday;
2222 __err |= ios_base::failbit;
2225 __err |= ios_base::eofbit;
2229 template<typename _CharT, typename _InIter>
2231 time_get<_CharT, _InIter>::
2232 do_get_monthname(iter_type __beg, iter_type __end,
2233 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2235 typedef char_traits<_CharT> __traits_type;
2236 const locale& __loc = __io._M_getloc();
2237 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2238 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2239 const char_type* __months[12];
2240 __tp._M_months_abbreviated(__months);
2242 ios_base::iostate __tmperr = ios_base::goodbit;
2243 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2246 // Check to see if non-abbreviated name exists, and extract.
2247 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2248 // exact same order, first to last, such that the resulting
2249 // __months array with the same index points to a month, and that
2250 // month's abbreviated form.
2251 // NB: Also assumes that an abbreviated name is a subset of the name.
2252 if (!__tmperr && __beg != __end)
2254 size_t __pos = __traits_type::length(__months[__tmpmon]);
2255 __tp._M_months(__months);
2256 const char_type* __name = __months[__tmpmon];
2257 if (__name[__pos] == *__beg)
2259 // Extract the rest of it.
2260 const size_t __len = __traits_type::length(__name);
2261 while (__pos < __len && __beg != __end
2262 && __name[__pos] == *__beg)
2265 __tmperr |= ios_base::failbit;
2269 __tm->tm_mon = __tmpmon;
2271 __err |= ios_base::failbit;
2274 __err |= ios_base::eofbit;
2278 template<typename _CharT, typename _InIter>
2280 time_get<_CharT, _InIter>::
2281 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2282 ios_base::iostate& __err, tm* __tm) const
2284 const locale& __loc = __io._M_getloc();
2285 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2289 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2291 const char __c = __ctype.narrow(*__beg, '*');
2292 if (__c >= '0' && __c <= '9')
2293 __value = __value * 10 + (__c - '0');
2297 if (__i == 2 || __i == 4)
2298 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2300 __err |= ios_base::failbit;
2303 __err |= ios_base::eofbit;
2307 template<typename _CharT, typename _OutIter>
2309 time_put<_CharT, _OutIter>::
2310 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2311 const _CharT* __beg, const _CharT* __end) const
2313 const locale& __loc = __io._M_getloc();
2314 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2315 for (; __beg != __end; ++__beg)
2316 if (__ctype.narrow(*__beg, 0) != '%')
2321 else if (++__beg != __end)
2325 const char __c = __ctype.narrow(*__beg, 0);
2326 if (__c != 'E' && __c != 'O')
2328 else if (++__beg != __end)
2331 __format = __ctype.narrow(*__beg, 0);
2335 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2342 template<typename _CharT, typename _OutIter>
2344 time_put<_CharT, _OutIter>::
2345 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2346 char __format, char __mod) const
2348 const locale& __loc = __io._M_getloc();
2349 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2350 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2352 // NB: This size is arbitrary. Should this be a data member,
2353 // initialized at construction?
2354 const size_t __maxlen = 128;
2356 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2358 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2359 // is possible that the format character will be longer than one
2360 // character. Possibilities include 'E' or 'O' followed by a
2361 // format character: if __mod is not the default argument, assume
2362 // it's a valid modifier.
2364 __fmt[0] = __ctype.widen('%');
2367 __fmt[1] = __format;
2368 __fmt[2] = char_type();
2373 __fmt[2] = __format;
2374 __fmt[3] = char_type();
2377 __tp._M_put(__res, __maxlen, __fmt, __tm);
2379 // Write resulting, fully-formatted string to output iterator.
2380 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2383 // Generic version does nothing.
2384 template<typename _CharT>
2386 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2389 // Generic version does nothing.
2390 template<typename _CharT>
2392 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2395 template<typename _CharT>
2398 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2399 const _CharT* __lo2, const _CharT* __hi2) const
2401 // strcoll assumes zero-terminated strings so we make a copy
2402 // and then put a zero at the end.
2403 const string_type __one(__lo1, __hi1);
2404 const string_type __two(__lo2, __hi2);
2406 const _CharT* __p = __one.c_str();
2407 const _CharT* __pend = __one.data() + __one.length();
2408 const _CharT* __q = __two.c_str();
2409 const _CharT* __qend = __two.data() + __two.length();
2411 // strcoll stops when it sees a nul character so we break
2412 // the strings into zero-terminated substrings and pass those
2416 const int __res = _M_compare(__p, __q);
2420 __p += char_traits<_CharT>::length(__p);
2421 __q += char_traits<_CharT>::length(__q);
2422 if (__p == __pend && __q == __qend)
2424 else if (__p == __pend)
2426 else if (__q == __qend)
2434 template<typename _CharT>
2435 typename collate<_CharT>::string_type
2437 do_transform(const _CharT* __lo, const _CharT* __hi) const
2441 // strxfrm assumes zero-terminated strings so we make a copy
2442 const string_type __str(__lo, __hi);
2444 const _CharT* __p = __str.c_str();
2445 const _CharT* __pend = __str.data() + __str.length();
2447 size_t __len = (__hi - __lo) * 2;
2449 _CharT* __c = new _CharT[__len];
2453 // strxfrm stops when it sees a nul character so we break
2454 // the string into zero-terminated substrings and pass those
2458 // First try a buffer perhaps big enough.
2459 size_t __res = _M_transform(__c, __p, __len);
2460 // If the buffer was not large enough, try again with the
2465 delete [] __c, __c = 0;
2466 __c = new _CharT[__len];
2467 __res = _M_transform(__c, __p, __len);
2470 __ret.append(__c, __res);
2471 __p += char_traits<_CharT>::length(__p);
2476 __ret.push_back(_CharT());
2482 __throw_exception_again;
2490 template<typename _CharT>
2493 do_hash(const _CharT* __lo, const _CharT* __hi) const
2495 unsigned long __val = 0;
2496 for (; __lo < __hi; ++__lo)
2497 __val = *__lo + ((__val << 7) |
2498 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2499 return static_cast<long>(__val);
2502 // Construct correctly padded string, as per 22.2.2.2.2
2504 // __newlen > __oldlen
2505 // __news is allocated for __newlen size
2506 // Used by both num_put and ostream inserters: if __num,
2507 // internal-adjusted objects are padded according to the rules below
2508 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2511 // NB: Of the two parameters, _CharT can be deduced from the
2512 // function arguments. The other (_Traits) has to be explicitly specified.
2513 template<typename _CharT, typename _Traits>
2515 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2516 _CharT* __news, const _CharT* __olds,
2517 const streamsize __newlen,
2518 const streamsize __oldlen, const bool __num)
2520 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2521 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2524 if (__adjust == ios_base::left)
2526 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2527 _Traits::assign(__news + __oldlen, __plen, __fill);
2532 if (__adjust == ios_base::internal && __num)
2534 // Pad after the sign, if there is one.
2535 // Pad after 0[xX], if there is one.
2536 // Who came up with these rules, anyway? Jeeze.
2537 const locale& __loc = __io._M_getloc();
2538 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2540 const bool __testsign = (__ctype.widen('-') == __olds[0]
2541 || __ctype.widen('+') == __olds[0]);
2542 const bool __testhex = (__ctype.widen('0') == __olds[0]
2544 && (__ctype.widen('x') == __olds[1]
2545 || __ctype.widen('X') == __olds[1]));
2548 __news[0] = __olds[0];
2549 __news[1] = __olds[1];
2553 else if (__testsign)
2555 __news[0] = __olds[0];
2559 // else Padding first.
2561 _Traits::assign(__news, __plen, __fill);
2562 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2567 __verify_grouping(const char* __grouping, size_t __grouping_size,
2568 const string& __grouping_tmp)
2570 const size_t __n = __grouping_tmp.size() - 1;
2571 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2575 // Parsed number groupings have to match the
2576 // numpunct::grouping string exactly, starting at the
2577 // right-most point of the parsed sequence of elements ...
2578 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2579 __test = __grouping_tmp[__i] == __grouping[__j];
2580 for (; __i && __test; --__i)
2581 __test = __grouping_tmp[__i] == __grouping[__min];
2582 // ... but the first parsed grouping can be <= numpunct
2583 // grouping (only do the check if the numpunct char is > 0
2584 // because <= 0 means any size is ok).
2585 if (static_cast<signed char>(__grouping[__min]) > 0)
2586 __test &= __grouping_tmp[0] <= __grouping[__min];
2590 template<typename _CharT>
2592 __add_grouping(_CharT* __s, _CharT __sep,
2593 const char* __gbeg, size_t __gsize,
2594 const _CharT* __first, const _CharT* __last)
2599 while (__last - __first > __gbeg[__idx]
2600 && static_cast<signed char>(__gbeg[__idx]) > 0)
2602 __last -= __gbeg[__idx];
2603 __idx < __gsize - 1 ? ++__idx : ++__ctr;
2606 while (__first != __last)
2607 *__s++ = *__first++;
2612 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2613 *__s++ = *__first++;
2619 for (char __i = __gbeg[__idx]; __i > 0; --__i)
2620 *__s++ = *__first++;
2626 // Inhibit implicit instantiations for required instantiations,
2627 // which are defined via explicit instantiations elsewhere.
2628 // NB: This syntax is a GNU extension.
2629 #if _GLIBCXX_EXTERN_TEMPLATE
2630 extern template class moneypunct<char, false>;
2631 extern template class moneypunct<char, true>;
2632 extern template class moneypunct_byname<char, false>;
2633 extern template class moneypunct_byname<char, true>;
2634 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2635 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2636 extern template class numpunct<char>;
2637 extern template class numpunct_byname<char>;
2638 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2639 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2640 extern template class __timepunct<char>;
2641 extern template class time_put<char>;
2642 extern template class time_put_byname<char>;
2643 extern template class time_get<char>;
2644 extern template class time_get_byname<char>;
2645 extern template class messages<char>;
2646 extern template class messages_byname<char>;
2647 extern template class ctype_byname<char>;
2648 extern template class codecvt_byname<char, char, mbstate_t>;
2649 extern template class collate<char>;
2650 extern template class collate_byname<char>;
2653 const codecvt<char, char, mbstate_t>&
2654 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2657 const collate<char>&
2658 use_facet<collate<char> >(const locale&);
2661 const numpunct<char>&
2662 use_facet<numpunct<char> >(const locale&);
2665 const num_put<char>&
2666 use_facet<num_put<char> >(const locale&);
2669 const num_get<char>&
2670 use_facet<num_get<char> >(const locale&);
2673 const moneypunct<char, true>&
2674 use_facet<moneypunct<char, true> >(const locale&);
2677 const moneypunct<char, false>&
2678 use_facet<moneypunct<char, false> >(const locale&);
2681 const money_put<char>&
2682 use_facet<money_put<char> >(const locale&);
2685 const money_get<char>&
2686 use_facet<money_get<char> >(const locale&);
2689 const __timepunct<char>&
2690 use_facet<__timepunct<char> >(const locale&);
2693 const time_put<char>&
2694 use_facet<time_put<char> >(const locale&);
2697 const time_get<char>&
2698 use_facet<time_get<char> >(const locale&);
2701 const messages<char>&
2702 use_facet<messages<char> >(const locale&);
2706 has_facet<ctype<char> >(const locale&);
2710 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2714 has_facet<collate<char> >(const locale&);
2718 has_facet<numpunct<char> >(const locale&);
2722 has_facet<num_put<char> >(const locale&);
2726 has_facet<num_get<char> >(const locale&);
2730 has_facet<moneypunct<char> >(const locale&);
2734 has_facet<money_put<char> >(const locale&);
2738 has_facet<money_get<char> >(const locale&);
2742 has_facet<__timepunct<char> >(const locale&);
2746 has_facet<time_put<char> >(const locale&);
2750 has_facet<time_get<char> >(const locale&);
2754 has_facet<messages<char> >(const locale&);
2756 #ifdef _GLIBCXX_USE_WCHAR_T
2757 extern template class moneypunct<wchar_t, false>;
2758 extern template class moneypunct<wchar_t, true>;
2759 extern template class moneypunct_byname<wchar_t, false>;
2760 extern template class moneypunct_byname<wchar_t, true>;
2761 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2762 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2763 extern template class numpunct<wchar_t>;
2764 extern template class numpunct_byname<wchar_t>;
2765 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2766 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2767 extern template class __timepunct<wchar_t>;
2768 extern template class time_put<wchar_t>;
2769 extern template class time_put_byname<wchar_t>;
2770 extern template class time_get<wchar_t>;
2771 extern template class time_get_byname<wchar_t>;
2772 extern template class messages<wchar_t>;
2773 extern template class messages_byname<wchar_t>;
2774 extern template class ctype_byname<wchar_t>;
2775 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2776 extern template class collate<wchar_t>;
2777 extern template class collate_byname<wchar_t>;
2780 const codecvt<wchar_t, char, mbstate_t>&
2781 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2784 const collate<wchar_t>&
2785 use_facet<collate<wchar_t> >(const locale&);
2788 const numpunct<wchar_t>&
2789 use_facet<numpunct<wchar_t> >(const locale&);
2792 const num_put<wchar_t>&
2793 use_facet<num_put<wchar_t> >(const locale&);
2796 const num_get<wchar_t>&
2797 use_facet<num_get<wchar_t> >(const locale&);
2800 const moneypunct<wchar_t, true>&
2801 use_facet<moneypunct<wchar_t, true> >(const locale&);
2804 const moneypunct<wchar_t, false>&
2805 use_facet<moneypunct<wchar_t, false> >(const locale&);
2808 const money_put<wchar_t>&
2809 use_facet<money_put<wchar_t> >(const locale&);
2812 const money_get<wchar_t>&
2813 use_facet<money_get<wchar_t> >(const locale&);
2816 const __timepunct<wchar_t>&
2817 use_facet<__timepunct<wchar_t> >(const locale&);
2820 const time_put<wchar_t>&
2821 use_facet<time_put<wchar_t> >(const locale&);
2824 const time_get<wchar_t>&
2825 use_facet<time_get<wchar_t> >(const locale&);
2828 const messages<wchar_t>&
2829 use_facet<messages<wchar_t> >(const locale&);
2833 has_facet<ctype<wchar_t> >(const locale&);
2837 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2841 has_facet<collate<wchar_t> >(const locale&);
2845 has_facet<numpunct<wchar_t> >(const locale&);
2849 has_facet<num_put<wchar_t> >(const locale&);
2853 has_facet<num_get<wchar_t> >(const locale&);
2857 has_facet<moneypunct<wchar_t> >(const locale&);
2861 has_facet<money_put<wchar_t> >(const locale&);
2865 has_facet<money_get<wchar_t> >(const locale&);
2869 has_facet<__timepunct<wchar_t> >(const locale&);
2873 has_facet<time_put<wchar_t> >(const locale&);
2877 has_facet<time_get<wchar_t> >(const locale&);
2881 has_facet<messages<wchar_t> >(const locale&);
2885 _GLIBCXX_END_NAMESPACE