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;
749 if (__n < __lc->_M_falsename_size)
750 __testf = __c == __lc->_M_falsename[__n];
755 if (__n < __lc->_M_truename_size)
756 __testt = __c == __lc->_M_truename[__n];
760 if (!__testf && !__testt)
763 if (++__beg == __end)
766 if (__testf && __n == __lc->_M_falsename_size)
768 else if (__testt && __n == __lc->_M_truename_size)
771 __err |= ios_base::failbit;
774 __err |= ios_base::eofbit;
779 template<typename _CharT, typename _InIter>
781 num_get<_CharT, _InIter>::
782 do_get(iter_type __beg, iter_type __end, ios_base& __io,
783 ios_base::iostate& __err, long& __v) const
784 { return _M_extract_int(__beg, __end, __io, __err, __v); }
786 template<typename _CharT, typename _InIter>
788 num_get<_CharT, _InIter>::
789 do_get(iter_type __beg, iter_type __end, ios_base& __io,
790 ios_base::iostate& __err, unsigned short& __v) const
791 { return _M_extract_int(__beg, __end, __io, __err, __v); }
793 template<typename _CharT, typename _InIter>
795 num_get<_CharT, _InIter>::
796 do_get(iter_type __beg, iter_type __end, ios_base& __io,
797 ios_base::iostate& __err, unsigned int& __v) const
798 { return _M_extract_int(__beg, __end, __io, __err, __v); }
800 template<typename _CharT, typename _InIter>
802 num_get<_CharT, _InIter>::
803 do_get(iter_type __beg, iter_type __end, ios_base& __io,
804 ios_base::iostate& __err, unsigned long& __v) const
805 { return _M_extract_int(__beg, __end, __io, __err, __v); }
807 #ifdef _GLIBCXX_USE_LONG_LONG
808 template<typename _CharT, typename _InIter>
810 num_get<_CharT, _InIter>::
811 do_get(iter_type __beg, iter_type __end, ios_base& __io,
812 ios_base::iostate& __err, long long& __v) const
813 { return _M_extract_int(__beg, __end, __io, __err, __v); }
815 template<typename _CharT, typename _InIter>
817 num_get<_CharT, _InIter>::
818 do_get(iter_type __beg, iter_type __end, ios_base& __io,
819 ios_base::iostate& __err, unsigned long long& __v) const
820 { return _M_extract_int(__beg, __end, __io, __err, __v); }
823 template<typename _CharT, typename _InIter>
825 num_get<_CharT, _InIter>::
826 do_get(iter_type __beg, iter_type __end, ios_base& __io,
827 ios_base::iostate& __err, float& __v) const
831 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
832 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
836 template<typename _CharT, typename _InIter>
838 num_get<_CharT, _InIter>::
839 do_get(iter_type __beg, iter_type __end, ios_base& __io,
840 ios_base::iostate& __err, double& __v) const
844 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
845 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
849 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
850 template<typename _CharT, typename _InIter>
852 num_get<_CharT, _InIter>::
853 __do_get(iter_type __beg, iter_type __end, ios_base& __io,
854 ios_base::iostate& __err, double& __v) const
858 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
859 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
864 template<typename _CharT, typename _InIter>
866 num_get<_CharT, _InIter>::
867 do_get(iter_type __beg, iter_type __end, ios_base& __io,
868 ios_base::iostate& __err, long double& __v) const
872 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
873 std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
877 template<typename _CharT, typename _InIter>
879 num_get<_CharT, _InIter>::
880 do_get(iter_type __beg, iter_type __end, ios_base& __io,
881 ios_base::iostate& __err, void*& __v) const
883 // Prepare for hex formatted input.
884 typedef ios_base::fmtflags fmtflags;
885 const fmtflags __fmt = __io.flags();
886 __io.flags(__fmt & ~ios_base::basefield | ios_base::hex);
889 __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
891 // Reset from hex formatted input.
894 if (!(__err & ios_base::failbit))
895 __v = reinterpret_cast<void*>(__ul);
899 // For use by integer and floating-point types after they have been
900 // converted into a char_type string.
901 template<typename _CharT, typename _OutIter>
903 num_put<_CharT, _OutIter>::
904 _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
905 _CharT* __new, const _CharT* __cs, int& __len) const
907 // [22.2.2.2.2] Stage 3.
908 // If necessary, pad.
909 __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs,
911 __len = static_cast<int>(__w);
914 _GLIBCXX_END_LDBL_NAMESPACE
916 template<typename _CharT, typename _ValueT>
918 __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
919 ios_base::fmtflags __flags, bool __dec)
921 _CharT* __buf = __bufend;
922 if (__builtin_expect(__dec, true))
927 *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
932 else if ((__flags & ios_base::basefield) == ios_base::oct)
937 *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
945 const bool __uppercase = __flags & ios_base::uppercase;
946 const int __case_offset = __uppercase ? __num_base::_S_oudigits
947 : __num_base::_S_odigits;
950 *--__buf = __lit[(__v & 0xf) + __case_offset];
955 return __bufend - __buf;
958 _GLIBCXX_BEGIN_LDBL_NAMESPACE
960 template<typename _CharT, typename _OutIter>
962 num_put<_CharT, _OutIter>::
963 _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
964 ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
966 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
967 __grouping_size, __cs, __cs + __len);
971 template<typename _CharT, typename _OutIter>
972 template<typename _ValueT>
974 num_put<_CharT, _OutIter>::
975 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
978 using __gnu_cxx::__add_unsigned;
979 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
980 typedef __numpunct_cache<_CharT> __cache_type;
981 __use_cache<__cache_type> __uc;
982 const locale& __loc = __io._M_getloc();
983 const __cache_type* __lc = __uc(__loc);
984 const _CharT* __lit = __lc->_M_atoms_out;
985 const ios_base::fmtflags __flags = __io.flags();
987 // Long enough to hold hex, dec, and octal representations.
988 const int __ilen = 5 * sizeof(_ValueT);
989 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
992 // [22.2.2.2.2] Stage 1, numeric conversion to character.
993 // Result is returned right-justified in the buffer.
994 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
995 const bool __dec = (__basefield != ios_base::oct
996 && __basefield != ios_base::hex);
997 const __unsigned_type __u = (__v > 0 || !__dec) ? __v : -__v;
998 int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
999 __cs += __ilen - __len;
1001 // Add grouping, if necessary.
1002 if (__lc->_M_use_grouping)
1004 // Grouping can add (almost) as many separators as the number
1005 // of digits + space is reserved for numeric base or sign.
1006 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1009 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1010 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1014 // Complete Stage 1, prepend numeric base or sign.
1015 if (__builtin_expect(__dec, true))
1020 if (__flags & ios_base::showpos
1021 && numeric_limits<_ValueT>::is_signed)
1022 *--__cs = __lit[__num_base::_S_oplus], ++__len;
1025 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1027 else if (__flags & ios_base::showbase && __v)
1029 if (__basefield == ios_base::oct)
1030 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1034 const bool __uppercase = __flags & ios_base::uppercase;
1035 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1037 *--__cs = __lit[__num_base::_S_odigits];
1043 const streamsize __w = __io.width();
1044 if (__w > static_cast<streamsize>(__len))
1046 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1048 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1053 // [22.2.2.2.2] Stage 4.
1054 // Write resulting, fully-formatted string to output iterator.
1055 return std::__write(__s, __cs, __len);
1058 template<typename _CharT, typename _OutIter>
1060 num_put<_CharT, _OutIter>::
1061 _M_group_float(const char* __grouping, size_t __grouping_size,
1062 _CharT __sep, const _CharT* __p, _CharT* __new,
1063 _CharT* __cs, int& __len) const
1065 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1066 // 282. What types does numpunct grouping refer to?
1067 // Add grouping, if necessary.
1068 const int __declen = __p ? __p - __cs : __len;
1069 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1071 __cs, __cs + __declen);
1073 // Tack on decimal part.
1074 int __newlen = __p2 - __new;
1077 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1078 __newlen += __len - __declen;
1083 // The following code uses vsnprintf (or vsprintf(), when
1084 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1085 // for insertion into a stream. An optimization would be to replace
1086 // them with code that works directly on a wide buffer and then use
1087 // __pad to do the padding. It would be good to replace them anyway
1088 // to gain back the efficiency that C++ provides by knowing up front
1089 // the type of the values to insert. Also, sprintf is dangerous
1090 // since may lead to accidental buffer overruns. This
1091 // implementation follows the C++ standard fairly directly as
1092 // outlined in 22.2.2.2 [lib.locale.num.put]
1093 template<typename _CharT, typename _OutIter>
1094 template<typename _ValueT>
1096 num_put<_CharT, _OutIter>::
1097 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1100 typedef __numpunct_cache<_CharT> __cache_type;
1101 __use_cache<__cache_type> __uc;
1102 const locale& __loc = __io._M_getloc();
1103 const __cache_type* __lc = __uc(__loc);
1105 // Use default precision if out of range.
1106 const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
1108 const int __max_digits = numeric_limits<_ValueT>::digits10;
1110 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1112 // Long enough for the max format spec.
1114 __num_base::_S_format_float(__io, __fbuf, __mod);
1116 #ifdef _GLIBCXX_USE_C99
1117 // First try a buffer perhaps big enough (most probably sufficient
1118 // for non-ios_base::fixed outputs)
1119 int __cs_size = __max_digits * 3;
1120 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1121 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1122 __fbuf, __prec, __v);
1124 // If the buffer was not large enough, try again with the correct size.
1125 if (__len >= __cs_size)
1127 __cs_size = __len + 1;
1128 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1129 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1130 __fbuf, __prec, __v);
1133 // Consider the possibility of long ios_base::fixed outputs
1134 const bool __fixed = __io.flags() & ios_base::fixed;
1135 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1137 // The size of the output string is computed as follows.
1138 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1139 // for the integer part + __prec chars for the fractional part
1140 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1141 // for non-fixed outputs __max_digits * 2 + __prec chars are
1142 // largely sufficient.
1143 const int __cs_size = __fixed ? __max_exp + __prec + 4
1144 : __max_digits * 2 + __prec;
1145 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1146 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1150 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1151 // numpunct.decimal_point() values for '.' and adding grouping.
1152 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1154 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1156 __ctype.widen(__cs, __cs + __len, __ws);
1158 // Replace decimal point.
1160 const char* __p = char_traits<char>::find(__cs, __len, '.');
1163 __wp = __ws + (__p - __cs);
1164 *__wp = __lc->_M_decimal_point;
1167 // Add grouping, if necessary.
1168 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1169 // point, scientific notation.
1170 if (__lc->_M_use_grouping
1171 && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1172 && __cs[1] >= '0' && __cs[2] >= '0')))
1174 // Grouping can add (almost) as many separators as the
1175 // number of digits, but no more.
1176 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1179 streamsize __off = 0;
1180 if (__cs[0] == '-' || __cs[0] == '+')
1187 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1188 __lc->_M_thousands_sep, __wp, __ws2 + __off,
1189 __ws + __off, __len);
1196 const streamsize __w = __io.width();
1197 if (__w > static_cast<streamsize>(__len))
1199 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1201 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1206 // [22.2.2.2.2] Stage 4.
1207 // Write resulting, fully-formatted string to output iterator.
1208 return std::__write(__s, __ws, __len);
1211 template<typename _CharT, typename _OutIter>
1213 num_put<_CharT, _OutIter>::
1214 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1216 const ios_base::fmtflags __flags = __io.flags();
1217 if ((__flags & ios_base::boolalpha) == 0)
1219 const long __l = __v;
1220 __s = _M_insert_int(__s, __io, __fill, __l);
1224 typedef __numpunct_cache<_CharT> __cache_type;
1225 __use_cache<__cache_type> __uc;
1226 const locale& __loc = __io._M_getloc();
1227 const __cache_type* __lc = __uc(__loc);
1229 const _CharT* __name = __v ? __lc->_M_truename
1230 : __lc->_M_falsename;
1231 int __len = __v ? __lc->_M_truename_size
1232 : __lc->_M_falsename_size;
1234 const streamsize __w = __io.width();
1235 if (__w > static_cast<streamsize>(__len))
1238 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1240 _M_pad(__fill, __w, __io, __cs, __name, __len);
1244 __s = std::__write(__s, __name, __len);
1249 template<typename _CharT, typename _OutIter>
1251 num_put<_CharT, _OutIter>::
1252 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1253 { return _M_insert_int(__s, __io, __fill, __v); }
1255 template<typename _CharT, typename _OutIter>
1257 num_put<_CharT, _OutIter>::
1258 do_put(iter_type __s, ios_base& __io, char_type __fill,
1259 unsigned long __v) const
1260 { return _M_insert_int(__s, __io, __fill, __v); }
1262 #ifdef _GLIBCXX_USE_LONG_LONG
1263 template<typename _CharT, typename _OutIter>
1265 num_put<_CharT, _OutIter>::
1266 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1267 { return _M_insert_int(__s, __io, __fill, __v); }
1269 template<typename _CharT, typename _OutIter>
1271 num_put<_CharT, _OutIter>::
1272 do_put(iter_type __s, ios_base& __io, char_type __fill,
1273 unsigned long long __v) const
1274 { return _M_insert_int(__s, __io, __fill, __v); }
1277 template<typename _CharT, typename _OutIter>
1279 num_put<_CharT, _OutIter>::
1280 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1281 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1283 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1284 template<typename _CharT, typename _OutIter>
1286 num_put<_CharT, _OutIter>::
1287 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1288 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1291 template<typename _CharT, typename _OutIter>
1293 num_put<_CharT, _OutIter>::
1294 do_put(iter_type __s, ios_base& __io, char_type __fill,
1295 long double __v) const
1296 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1298 template<typename _CharT, typename _OutIter>
1300 num_put<_CharT, _OutIter>::
1301 do_put(iter_type __s, ios_base& __io, char_type __fill,
1302 const void* __v) const
1304 const ios_base::fmtflags __flags = __io.flags();
1305 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1306 | ios_base::uppercase
1307 | ios_base::internal);
1308 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1310 __s = _M_insert_int(__s, __io, __fill,
1311 reinterpret_cast<unsigned long>(__v));
1312 __io.flags(__flags);
1316 template<typename _CharT, typename _InIter>
1317 template<bool _Intl>
1319 money_get<_CharT, _InIter>::
1320 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1321 ios_base::iostate& __err, string& __units) const
1323 typedef char_traits<_CharT> __traits_type;
1324 typedef typename string_type::size_type size_type;
1325 typedef money_base::part part;
1326 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1328 const locale& __loc = __io._M_getloc();
1329 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1331 __use_cache<__cache_type> __uc;
1332 const __cache_type* __lc = __uc(__loc);
1333 const char_type* __lit = __lc->_M_atoms;
1336 bool __negative = false;
1338 size_type __sign_size = 0;
1339 // True if sign is mandatory.
1340 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1341 && __lc->_M_negative_sign_size);
1342 // String of grouping info from thousands_sep plucked from __units.
1343 string __grouping_tmp;
1344 if (__lc->_M_use_grouping)
1345 __grouping_tmp.reserve(32);
1346 // Last position before the decimal point.
1348 // Separator positions, then, possibly, fractional digits.
1350 // If input iterator is in a valid state.
1351 bool __testvalid = true;
1352 // Flag marking when a decimal point is found.
1353 bool __testdecfound = false;
1355 // The tentative returned string is stored here.
1359 const char_type* __lit_zero = __lit + money_base::_S_zero;
1360 const money_base::pattern __p = __lc->_M_neg_format;
1361 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1363 const part __which = static_cast<part>(__p.field[__i]);
1366 case money_base::symbol:
1367 // According to 22.2.6.1.2, p2, symbol is required
1368 // if (__io.flags() & ios_base::showbase), otherwise
1369 // is optional and consumed only if other characters
1370 // are needed to complete the format.
1371 if (__io.flags() & ios_base::showbase || __sign_size > 1
1373 || (__i == 1 && (__mandatory_sign
1374 || (static_cast<part>(__p.field[0])
1375 == money_base::sign)
1376 || (static_cast<part>(__p.field[2])
1377 == money_base::space)))
1378 || (__i == 2 && ((static_cast<part>(__p.field[3])
1379 == money_base::value)
1381 && (static_cast<part>(__p.field[3])
1382 == money_base::sign))))
1384 const size_type __len = __lc->_M_curr_symbol_size;
1386 for (; __beg != __end && __j < __len
1387 && *__beg == __lc->_M_curr_symbol[__j];
1390 && (__j || __io.flags() & ios_base::showbase))
1391 __testvalid = false;
1394 case money_base::sign:
1395 // Sign might not exist, or be more than one character long.
1396 if (__lc->_M_positive_sign_size && __beg != __end
1397 && *__beg == __lc->_M_positive_sign[0])
1399 __sign_size = __lc->_M_positive_sign_size;
1402 else if (__lc->_M_negative_sign_size && __beg != __end
1403 && *__beg == __lc->_M_negative_sign[0])
1406 __sign_size = __lc->_M_negative_sign_size;
1409 else if (__lc->_M_positive_sign_size
1410 && !__lc->_M_negative_sign_size)
1411 // "... if no sign is detected, the result is given the sign
1412 // that corresponds to the source of the empty string"
1414 else if (__mandatory_sign)
1415 __testvalid = false;
1417 case money_base::value:
1418 // Extract digits, remove and stash away the
1419 // grouping of found thousands separators.
1420 for (; __beg != __end; ++__beg)
1422 const char_type __c = *__beg;
1423 const char_type* __q = __traits_type::find(__lit_zero,
1427 __res += money_base::_S_atoms[__q - __lit];
1430 else if (__c == __lc->_M_decimal_point
1435 __testdecfound = true;
1437 else if (__lc->_M_use_grouping
1438 && __c == __lc->_M_thousands_sep
1443 // Mark position for later analysis.
1444 __grouping_tmp += static_cast<char>(__n);
1449 __testvalid = false;
1457 __testvalid = false;
1459 case money_base::space:
1460 // At least one space is required.
1461 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1464 __testvalid = false;
1465 case money_base::none:
1466 // Only if not at the end of the pattern.
1468 for (; __beg != __end
1469 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1474 // Need to get the rest of the sign characters, if they exist.
1475 if (__sign_size > 1 && __testvalid)
1477 const char_type* __sign = __negative ? __lc->_M_negative_sign
1478 : __lc->_M_positive_sign;
1480 for (; __beg != __end && __i < __sign_size
1481 && *__beg == __sign[__i]; ++__beg, ++__i);
1483 if (__i != __sign_size)
1484 __testvalid = false;
1489 // Strip leading zeros.
1490 if (__res.size() > 1)
1492 const size_type __first = __res.find_first_not_of('0');
1493 const bool __only_zeros = __first == string::npos;
1495 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1499 if (__negative && __res[0] != '0')
1500 __res.insert(__res.begin(), '-');
1502 // Test for grouping fidelity.
1503 if (__grouping_tmp.size())
1505 // Add the ending grouping.
1506 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1508 if (!std::__verify_grouping(__lc->_M_grouping,
1509 __lc->_M_grouping_size,
1511 __err |= ios_base::failbit;
1514 // Iff not enough digits were supplied after the decimal-point.
1515 if (__testdecfound && __lc->_M_frac_digits > 0
1516 && __n != __lc->_M_frac_digits)
1517 __testvalid = false;
1520 // Iff valid sequence is not recognized.
1522 __err |= ios_base::failbit;
1524 __units.swap(__res);
1526 // Iff no more characters are available.
1528 __err |= ios_base::eofbit;
1532 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1533 template<typename _CharT, typename _InIter>
1535 money_get<_CharT, _InIter>::
1536 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1537 ios_base::iostate& __err, double& __units) const
1541 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1543 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1544 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1549 template<typename _CharT, typename _InIter>
1551 money_get<_CharT, _InIter>::
1552 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1553 ios_base::iostate& __err, long double& __units) const
1557 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1559 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1560 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, string_type& __units) const
1570 typedef typename string::size_type size_type;
1572 const locale& __loc = __io._M_getloc();
1573 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1576 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1578 : _M_extract<false>(__beg, __end, __io,
1580 const size_type __len = __str.size();
1583 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1585 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1586 __units.assign(__ws, __len);
1592 template<typename _CharT, typename _OutIter>
1593 template<bool _Intl>
1595 money_put<_CharT, _OutIter>::
1596 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
1597 const string_type& __digits) const
1599 typedef typename string_type::size_type size_type;
1600 typedef money_base::part part;
1601 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1603 const locale& __loc = __io._M_getloc();
1604 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1606 __use_cache<__cache_type> __uc;
1607 const __cache_type* __lc = __uc(__loc);
1608 const char_type* __lit = __lc->_M_atoms;
1610 // Determine if negative or positive formats are to be used, and
1611 // discard leading negative_sign if it is present.
1612 const char_type* __beg = __digits.data();
1614 money_base::pattern __p;
1615 const char_type* __sign;
1616 size_type __sign_size;
1617 if (!(*__beg == __lit[money_base::_S_minus]))
1619 __p = __lc->_M_pos_format;
1620 __sign = __lc->_M_positive_sign;
1621 __sign_size = __lc->_M_positive_sign_size;
1625 __p = __lc->_M_neg_format;
1626 __sign = __lc->_M_negative_sign;
1627 __sign_size = __lc->_M_negative_sign_size;
1628 if (__digits.size())
1632 // Look for valid numbers in the ctype facet within input digits.
1633 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
1634 __beg + __digits.size()) - __beg;
1637 // Assume valid input, and attempt to format.
1638 // Break down input numbers into base components, as follows:
1639 // final_value = grouped units + (decimal point) + (digits)
1640 string_type __value;
1641 __value.reserve(2 * __len);
1643 // Add thousands separators to non-decimal digits, per
1645 int __paddec = __len - __lc->_M_frac_digits;
1648 if (__lc->_M_frac_digits < 0)
1650 if (__lc->_M_grouping_size)
1653 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1656 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1658 __lc->_M_grouping_size,
1659 __beg, __beg + __paddec);
1660 __value.assign(__ws, __ws_end - __ws);
1663 __value.assign(__beg, __paddec);
1666 // Deal with decimal point, decimal digits.
1667 if (__lc->_M_frac_digits > 0)
1669 __value += __lc->_M_decimal_point;
1671 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1674 // Have to pad zeros in the decimal position.
1675 __value.append(-__paddec, __lit[money_base::_S_zero]);
1676 __value.append(__beg, __len);
1680 // Calculate length of resulting string.
1681 const ios_base::fmtflags __f = __io.flags()
1682 & ios_base::adjustfield;
1683 __len = __value.size() + __sign_size;
1684 __len += ((__io.flags() & ios_base::showbase)
1685 ? __lc->_M_curr_symbol_size : 0);
1688 __res.reserve(2 * __len);
1690 const size_type __width = static_cast<size_type>(__io.width());
1691 const bool __testipad = (__f == ios_base::internal
1692 && __len < __width);
1693 // Fit formatted digits into the required pattern.
1694 for (int __i = 0; __i < 4; ++__i)
1696 const part __which = static_cast<part>(__p.field[__i]);
1699 case money_base::symbol:
1700 if (__io.flags() & ios_base::showbase)
1701 __res.append(__lc->_M_curr_symbol,
1702 __lc->_M_curr_symbol_size);
1704 case money_base::sign:
1705 // Sign might not exist, or be more than one
1706 // charater long. In that case, add in the rest
1711 case money_base::value:
1714 case money_base::space:
1715 // At least one space is required, but if internal
1716 // formatting is required, an arbitrary number of
1717 // fill spaces will be necessary.
1719 __res.append(__width - __len, __fill);
1723 case money_base::none:
1725 __res.append(__width - __len, __fill);
1730 // Special case of multi-part sign parts.
1731 if (__sign_size > 1)
1732 __res.append(__sign + 1, __sign_size - 1);
1734 // Pad, if still necessary.
1735 __len = __res.size();
1736 if (__width > __len)
1738 if (__f == ios_base::left)
1740 __res.append(__width - __len, __fill);
1743 __res.insert(0, __width - __len, __fill);
1747 // Write resulting, fully-formatted string to output iterator.
1748 __s = std::__write(__s, __res.data(), __len);
1754 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1755 template<typename _CharT, typename _OutIter>
1757 money_put<_CharT, _OutIter>::
1758 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1759 double __units) const
1761 return this->do_put(__s, __intl, __io, __fill, (long double) __units);
1765 template<typename _CharT, typename _OutIter>
1767 money_put<_CharT, _OutIter>::
1768 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1769 long double __units) const
1771 const locale __loc = __io.getloc();
1772 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1773 #ifdef _GLIBCXX_USE_C99
1774 // First try a buffer perhaps big enough.
1776 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1777 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1778 // 328. Bad sprintf format modifier in money_put<>::do_put()
1779 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1780 "%.*Lf", 0, __units);
1781 // If the buffer was not large enough, try again with the correct size.
1782 if (__len >= __cs_size)
1784 __cs_size = __len + 1;
1785 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1786 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1787 "%.*Lf", 0, __units);
1790 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1791 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1792 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1793 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1796 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1798 __ctype.widen(__cs, __cs + __len, __ws);
1799 const string_type __digits(__ws, __len);
1800 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1801 : _M_insert<false>(__s, __io, __fill, __digits);
1804 template<typename _CharT, typename _OutIter>
1806 money_put<_CharT, _OutIter>::
1807 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1808 const string_type& __digits) const
1809 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1810 : _M_insert<false>(__s, __io, __fill, __digits); }
1812 _GLIBCXX_END_LDBL_NAMESPACE
1814 // NB: Not especially useful. Without an ios_base object or some
1815 // kind of locale reference, we are left clawing at the air where
1816 // the side of the mountain used to be...
1817 template<typename _CharT, typename _InIter>
1818 time_base::dateorder
1819 time_get<_CharT, _InIter>::do_date_order() const
1820 { return time_base::no_order; }
1822 // Expand a strftime format string and parse it. E.g., do_get_date() may
1823 // pass %m/%d/%Y => extracted characters.
1824 template<typename _CharT, typename _InIter>
1826 time_get<_CharT, _InIter>::
1827 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1828 ios_base::iostate& __err, tm* __tm,
1829 const _CharT* __format) const
1831 const locale& __loc = __io._M_getloc();
1832 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1833 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1834 const size_t __len = char_traits<_CharT>::length(__format);
1836 ios_base::iostate __tmperr = ios_base::goodbit;
1837 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1839 if (__ctype.narrow(__format[__i], 0) == '%')
1841 // Verify valid formatting code, attempt to extract.
1842 char __c = __ctype.narrow(__format[++__i], 0);
1844 if (__c == 'E' || __c == 'O')
1845 __c = __ctype.narrow(__format[++__i], 0);
1851 // Abbreviated weekday name [tm_wday]
1852 const char_type* __days1[7];
1853 __tp._M_days_abbreviated(__days1);
1854 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1858 // Weekday name [tm_wday].
1859 const char_type* __days2[7];
1860 __tp._M_days(__days2);
1861 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1866 // Abbreviated month name [tm_mon]
1867 const char_type* __months1[12];
1868 __tp._M_months_abbreviated(__months1);
1869 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1870 __months1, 12, __io, __tmperr);
1873 // Month name [tm_mon].
1874 const char_type* __months2[12];
1875 __tp._M_months(__months2);
1876 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1877 __months2, 12, __io, __tmperr);
1880 // Default time and date representation.
1881 const char_type* __dt[2];
1882 __tp._M_date_time_formats(__dt);
1883 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1887 // Day [01, 31]. [tm_mday]
1888 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1892 // Day [1, 31], with single digits preceded by
1894 if (__ctype.is(ctype_base::space, *__beg))
1895 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1898 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1902 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1904 __ctype.widen(__cs, __cs + 9, __wcs);
1905 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1909 // Hour [00, 23]. [tm_hour]
1910 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1914 // Hour [01, 12]. [tm_hour]
1915 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1919 // Month [01, 12]. [tm_mon]
1920 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1923 __tm->tm_mon = __mem - 1;
1926 // Minute [00, 59]. [tm_min]
1927 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1931 if (__ctype.narrow(*__beg, 0) == '\n')
1934 __tmperr |= ios_base::failbit;
1937 // Equivalent to (%H:%M).
1939 __ctype.widen(__cs, __cs + 6, __wcs);
1940 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1944 // Seconds. [tm_sec]
1945 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1946 #ifdef _GLIBCXX_USE_C99
1947 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1949 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1954 if (__ctype.narrow(*__beg, 0) == '\t')
1957 __tmperr |= ios_base::failbit;
1960 // Equivalent to (%H:%M:%S).
1962 __ctype.widen(__cs, __cs + 9, __wcs);
1963 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1968 const char_type* __dates[2];
1969 __tp._M_date_formats(__dates);
1970 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1975 const char_type* __times[2];
1976 __tp._M_time_formats(__times);
1977 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1982 // Two digit year. [tm_year]
1983 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1987 // Year [1900). [tm_year]
1988 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1991 __tm->tm_year = __mem - 1900;
1995 if (__ctype.is(ctype_base::upper, *__beg))
1998 __beg = _M_extract_name(__beg, __end, __tmp,
1999 __timepunct_cache<_CharT>::_S_timezones,
2000 14, __io, __tmperr);
2002 // GMT requires special effort.
2003 if (__beg != __end && !__tmperr && __tmp == 0
2004 && (*__beg == __ctype.widen('-')
2005 || *__beg == __ctype.widen('+')))
2007 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2009 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2014 __tmperr |= ios_base::failbit;
2018 __tmperr |= ios_base::failbit;
2023 // Verify format and input match, extract and discard.
2024 if (__format[__i] == *__beg)
2027 __tmperr |= ios_base::failbit;
2032 __err |= ios_base::failbit;
2037 template<typename _CharT, typename _InIter>
2039 time_get<_CharT, _InIter>::
2040 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2041 int __min, int __max, size_t __len,
2042 ios_base& __io, ios_base::iostate& __err) const
2044 const locale& __loc = __io._M_getloc();
2045 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2047 // As-is works for __len = 1, 2, 4, the values actually used.
2048 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2053 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2055 const char __c = __ctype.narrow(*__beg, '*');
2056 if (__c >= '0' && __c <= '9')
2058 __value = __value * 10 + (__c - '0');
2059 const int __valuec = __value * __mult;
2060 if (__valuec > __max || __valuec + __mult < __min)
2070 __err |= ios_base::failbit;
2076 // All elements in __names are unique.
2077 template<typename _CharT, typename _InIter>
2079 time_get<_CharT, _InIter>::
2080 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2081 const _CharT** __names, size_t __indexlen,
2082 ios_base& __io, ios_base::iostate& __err) const
2084 typedef char_traits<_CharT> __traits_type;
2085 const locale& __loc = __io._M_getloc();
2086 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2088 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2090 size_t __nmatches = 0;
2092 bool __testvalid = true;
2093 const char_type* __name;
2095 // Look for initial matches.
2096 // NB: Some of the locale data is in the form of all lowercase
2097 // names, and some is in the form of initially-capitalized
2098 // names. Look for both.
2101 const char_type __c = *__beg;
2102 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2103 if (__c == __names[__i1][0]
2104 || __c == __ctype.toupper(__names[__i1][0]))
2105 __matches[__nmatches++] = __i1;
2108 while (__nmatches > 1)
2110 // Find smallest matching string.
2111 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2112 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2113 __minlen = std::min(__minlen,
2114 __traits_type::length(__names[__matches[__i2]]));
2116 if (__pos < __minlen && __beg != __end)
2117 for (size_t __i3 = 0; __i3 < __nmatches;)
2119 __name = __names[__matches[__i3]];
2120 if (!(__name[__pos] == *__beg))
2121 __matches[__i3] = __matches[--__nmatches];
2129 if (__nmatches == 1)
2131 // Make sure found name is completely extracted.
2133 __name = __names[__matches[0]];
2134 const size_t __len = __traits_type::length(__name);
2135 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2139 __member = __matches[0];
2141 __testvalid = false;
2144 __testvalid = false;
2146 __err |= ios_base::failbit;
2151 template<typename _CharT, typename _InIter>
2153 time_get<_CharT, _InIter>::
2154 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2155 ios_base::iostate& __err, tm* __tm) const
2157 const locale& __loc = __io._M_getloc();
2158 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2159 const char_type* __times[2];
2160 __tp._M_time_formats(__times);
2161 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2164 __err |= ios_base::eofbit;
2168 template<typename _CharT, typename _InIter>
2170 time_get<_CharT, _InIter>::
2171 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2172 ios_base::iostate& __err, tm* __tm) const
2174 const locale& __loc = __io._M_getloc();
2175 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2176 const char_type* __dates[2];
2177 __tp._M_date_formats(__dates);
2178 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2181 __err |= ios_base::eofbit;
2185 template<typename _CharT, typename _InIter>
2187 time_get<_CharT, _InIter>::
2188 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2189 ios_base::iostate& __err, tm* __tm) const
2191 typedef char_traits<_CharT> __traits_type;
2192 const locale& __loc = __io._M_getloc();
2193 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2194 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2195 const char_type* __days[7];
2196 __tp._M_days_abbreviated(__days);
2198 ios_base::iostate __tmperr = ios_base::goodbit;
2199 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2202 // Check to see if non-abbreviated name exists, and extract.
2203 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2204 // exact same order, first to last, such that the resulting
2205 // __days array with the same index points to a day, and that
2206 // day's abbreviated form.
2207 // NB: Also assumes that an abbreviated name is a subset of the name.
2208 if (!__tmperr && __beg != __end)
2210 size_t __pos = __traits_type::length(__days[__tmpwday]);
2211 __tp._M_days(__days);
2212 const char_type* __name = __days[__tmpwday];
2213 if (__name[__pos] == *__beg)
2215 // Extract the rest of it.
2216 const size_t __len = __traits_type::length(__name);
2217 while (__pos < __len && __beg != __end
2218 && __name[__pos] == *__beg)
2221 __tmperr |= ios_base::failbit;
2225 __tm->tm_wday = __tmpwday;
2227 __err |= ios_base::failbit;
2230 __err |= ios_base::eofbit;
2234 template<typename _CharT, typename _InIter>
2236 time_get<_CharT, _InIter>::
2237 do_get_monthname(iter_type __beg, iter_type __end,
2238 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2240 typedef char_traits<_CharT> __traits_type;
2241 const locale& __loc = __io._M_getloc();
2242 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2243 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2244 const char_type* __months[12];
2245 __tp._M_months_abbreviated(__months);
2247 ios_base::iostate __tmperr = ios_base::goodbit;
2248 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2251 // Check to see if non-abbreviated name exists, and extract.
2252 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2253 // exact same order, first to last, such that the resulting
2254 // __months array with the same index points to a month, and that
2255 // month's abbreviated form.
2256 // NB: Also assumes that an abbreviated name is a subset of the name.
2257 if (!__tmperr && __beg != __end)
2259 size_t __pos = __traits_type::length(__months[__tmpmon]);
2260 __tp._M_months(__months);
2261 const char_type* __name = __months[__tmpmon];
2262 if (__name[__pos] == *__beg)
2264 // Extract the rest of it.
2265 const size_t __len = __traits_type::length(__name);
2266 while (__pos < __len && __beg != __end
2267 && __name[__pos] == *__beg)
2270 __tmperr |= ios_base::failbit;
2274 __tm->tm_mon = __tmpmon;
2276 __err |= ios_base::failbit;
2279 __err |= ios_base::eofbit;
2283 template<typename _CharT, typename _InIter>
2285 time_get<_CharT, _InIter>::
2286 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2287 ios_base::iostate& __err, tm* __tm) const
2289 const locale& __loc = __io._M_getloc();
2290 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2294 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2296 const char __c = __ctype.narrow(*__beg, '*');
2297 if (__c >= '0' && __c <= '9')
2298 __value = __value * 10 + (__c - '0');
2302 if (__i == 2 || __i == 4)
2303 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2305 __err |= ios_base::failbit;
2308 __err |= ios_base::eofbit;
2312 template<typename _CharT, typename _OutIter>
2314 time_put<_CharT, _OutIter>::
2315 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2316 const _CharT* __beg, const _CharT* __end) const
2318 const locale& __loc = __io._M_getloc();
2319 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2320 for (; __beg != __end; ++__beg)
2321 if (__ctype.narrow(*__beg, 0) != '%')
2326 else if (++__beg != __end)
2330 const char __c = __ctype.narrow(*__beg, 0);
2331 if (__c != 'E' && __c != 'O')
2333 else if (++__beg != __end)
2336 __format = __ctype.narrow(*__beg, 0);
2340 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2347 template<typename _CharT, typename _OutIter>
2349 time_put<_CharT, _OutIter>::
2350 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2351 char __format, char __mod) const
2353 const locale& __loc = __io._M_getloc();
2354 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2355 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2357 // NB: This size is arbitrary. Should this be a data member,
2358 // initialized at construction?
2359 const size_t __maxlen = 128;
2361 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2363 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2364 // is possible that the format character will be longer than one
2365 // character. Possibilities include 'E' or 'O' followed by a
2366 // format character: if __mod is not the default argument, assume
2367 // it's a valid modifier.
2369 __fmt[0] = __ctype.widen('%');
2372 __fmt[1] = __format;
2373 __fmt[2] = char_type();
2378 __fmt[2] = __format;
2379 __fmt[3] = char_type();
2382 __tp._M_put(__res, __maxlen, __fmt, __tm);
2384 // Write resulting, fully-formatted string to output iterator.
2385 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2388 // Generic version does nothing.
2389 template<typename _CharT>
2391 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2394 // Generic version does nothing.
2395 template<typename _CharT>
2397 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2400 template<typename _CharT>
2403 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2404 const _CharT* __lo2, const _CharT* __hi2) const
2406 // strcoll assumes zero-terminated strings so we make a copy
2407 // and then put a zero at the end.
2408 const string_type __one(__lo1, __hi1);
2409 const string_type __two(__lo2, __hi2);
2411 const _CharT* __p = __one.c_str();
2412 const _CharT* __pend = __one.data() + __one.length();
2413 const _CharT* __q = __two.c_str();
2414 const _CharT* __qend = __two.data() + __two.length();
2416 // strcoll stops when it sees a nul character so we break
2417 // the strings into zero-terminated substrings and pass those
2421 const int __res = _M_compare(__p, __q);
2425 __p += char_traits<_CharT>::length(__p);
2426 __q += char_traits<_CharT>::length(__q);
2427 if (__p == __pend && __q == __qend)
2429 else if (__p == __pend)
2431 else if (__q == __qend)
2439 template<typename _CharT>
2440 typename collate<_CharT>::string_type
2442 do_transform(const _CharT* __lo, const _CharT* __hi) const
2446 // strxfrm assumes zero-terminated strings so we make a copy
2447 const string_type __str(__lo, __hi);
2449 const _CharT* __p = __str.c_str();
2450 const _CharT* __pend = __str.data() + __str.length();
2452 size_t __len = (__hi - __lo) * 2;
2454 _CharT* __c = new _CharT[__len];
2458 // strxfrm stops when it sees a nul character so we break
2459 // the string into zero-terminated substrings and pass those
2463 // First try a buffer perhaps big enough.
2464 size_t __res = _M_transform(__c, __p, __len);
2465 // If the buffer was not large enough, try again with the
2470 delete [] __c, __c = 0;
2471 __c = new _CharT[__len];
2472 __res = _M_transform(__c, __p, __len);
2475 __ret.append(__c, __res);
2476 __p += char_traits<_CharT>::length(__p);
2481 __ret.push_back(_CharT());
2487 __throw_exception_again;
2495 template<typename _CharT>
2498 do_hash(const _CharT* __lo, const _CharT* __hi) const
2500 unsigned long __val = 0;
2501 for (; __lo < __hi; ++__lo)
2502 __val = *__lo + ((__val << 7) |
2503 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2504 return static_cast<long>(__val);
2507 // Construct correctly padded string, as per 22.2.2.2.2
2509 // __newlen > __oldlen
2510 // __news is allocated for __newlen size
2511 // Used by both num_put and ostream inserters: if __num,
2512 // internal-adjusted objects are padded according to the rules below
2513 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2516 // NB: Of the two parameters, _CharT can be deduced from the
2517 // function arguments. The other (_Traits) has to be explicitly specified.
2518 template<typename _CharT, typename _Traits>
2520 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2521 _CharT* __news, const _CharT* __olds,
2522 const streamsize __newlen,
2523 const streamsize __oldlen, const bool __num)
2525 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2526 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2529 if (__adjust == ios_base::left)
2531 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2532 _Traits::assign(__news + __oldlen, __plen, __fill);
2537 if (__adjust == ios_base::internal && __num)
2539 // Pad after the sign, if there is one.
2540 // Pad after 0[xX], if there is one.
2541 // Who came up with these rules, anyway? Jeeze.
2542 const locale& __loc = __io._M_getloc();
2543 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2545 const bool __testsign = (__ctype.widen('-') == __olds[0]
2546 || __ctype.widen('+') == __olds[0]);
2547 const bool __testhex = (__ctype.widen('0') == __olds[0]
2549 && (__ctype.widen('x') == __olds[1]
2550 || __ctype.widen('X') == __olds[1]));
2553 __news[0] = __olds[0];
2554 __news[1] = __olds[1];
2558 else if (__testsign)
2560 __news[0] = __olds[0];
2564 // else Padding first.
2566 _Traits::assign(__news, __plen, __fill);
2567 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2572 __verify_grouping(const char* __grouping, size_t __grouping_size,
2573 const string& __grouping_tmp)
2575 const size_t __n = __grouping_tmp.size() - 1;
2576 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2580 // Parsed number groupings have to match the
2581 // numpunct::grouping string exactly, starting at the
2582 // right-most point of the parsed sequence of elements ...
2583 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2584 __test = __grouping_tmp[__i] == __grouping[__j];
2585 for (; __i && __test; --__i)
2586 __test = __grouping_tmp[__i] == __grouping[__min];
2587 // ... but the first parsed grouping can be <= numpunct
2588 // grouping (only do the check if the numpunct char is > 0
2589 // because <= 0 means any size is ok).
2590 if (static_cast<signed char>(__grouping[__min]) > 0)
2591 __test &= __grouping_tmp[0] <= __grouping[__min];
2595 template<typename _CharT>
2597 __add_grouping(_CharT* __s, _CharT __sep,
2598 const char* __gbeg, size_t __gsize,
2599 const _CharT* __first, const _CharT* __last)
2601 if (__last - __first > *__gbeg
2602 && static_cast<signed char>(*__gbeg) > 0)
2604 const bool __bump = __gsize != 1;
2605 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2606 __gsize - __bump, __first,
2608 __first = __last - *__gbeg;
2612 *__s++ = *__first++;
2613 while (__first != __last);
2617 // Inhibit implicit instantiations for required instantiations,
2618 // which are defined via explicit instantiations elsewhere.
2619 // NB: This syntax is a GNU extension.
2620 #if _GLIBCXX_EXTERN_TEMPLATE
2621 extern template class moneypunct<char, false>;
2622 extern template class moneypunct<char, true>;
2623 extern template class moneypunct_byname<char, false>;
2624 extern template class moneypunct_byname<char, true>;
2625 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2626 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2627 extern template class numpunct<char>;
2628 extern template class numpunct_byname<char>;
2629 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2630 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2631 extern template class __timepunct<char>;
2632 extern template class time_put<char>;
2633 extern template class time_put_byname<char>;
2634 extern template class time_get<char>;
2635 extern template class time_get_byname<char>;
2636 extern template class messages<char>;
2637 extern template class messages_byname<char>;
2638 extern template class ctype_byname<char>;
2639 extern template class codecvt_byname<char, char, mbstate_t>;
2640 extern template class collate<char>;
2641 extern template class collate_byname<char>;
2644 const codecvt<char, char, mbstate_t>&
2645 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2648 const collate<char>&
2649 use_facet<collate<char> >(const locale&);
2652 const numpunct<char>&
2653 use_facet<numpunct<char> >(const locale&);
2656 const num_put<char>&
2657 use_facet<num_put<char> >(const locale&);
2660 const num_get<char>&
2661 use_facet<num_get<char> >(const locale&);
2664 const moneypunct<char, true>&
2665 use_facet<moneypunct<char, true> >(const locale&);
2668 const moneypunct<char, false>&
2669 use_facet<moneypunct<char, false> >(const locale&);
2672 const money_put<char>&
2673 use_facet<money_put<char> >(const locale&);
2676 const money_get<char>&
2677 use_facet<money_get<char> >(const locale&);
2680 const __timepunct<char>&
2681 use_facet<__timepunct<char> >(const locale&);
2684 const time_put<char>&
2685 use_facet<time_put<char> >(const locale&);
2688 const time_get<char>&
2689 use_facet<time_get<char> >(const locale&);
2692 const messages<char>&
2693 use_facet<messages<char> >(const locale&);
2697 has_facet<ctype<char> >(const locale&);
2701 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2705 has_facet<collate<char> >(const locale&);
2709 has_facet<numpunct<char> >(const locale&);
2713 has_facet<num_put<char> >(const locale&);
2717 has_facet<num_get<char> >(const locale&);
2721 has_facet<moneypunct<char> >(const locale&);
2725 has_facet<money_put<char> >(const locale&);
2729 has_facet<money_get<char> >(const locale&);
2733 has_facet<__timepunct<char> >(const locale&);
2737 has_facet<time_put<char> >(const locale&);
2741 has_facet<time_get<char> >(const locale&);
2745 has_facet<messages<char> >(const locale&);
2747 #ifdef _GLIBCXX_USE_WCHAR_T
2748 extern template class moneypunct<wchar_t, false>;
2749 extern template class moneypunct<wchar_t, true>;
2750 extern template class moneypunct_byname<wchar_t, false>;
2751 extern template class moneypunct_byname<wchar_t, true>;
2752 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2753 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2754 extern template class numpunct<wchar_t>;
2755 extern template class numpunct_byname<wchar_t>;
2756 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2757 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2758 extern template class __timepunct<wchar_t>;
2759 extern template class time_put<wchar_t>;
2760 extern template class time_put_byname<wchar_t>;
2761 extern template class time_get<wchar_t>;
2762 extern template class time_get_byname<wchar_t>;
2763 extern template class messages<wchar_t>;
2764 extern template class messages_byname<wchar_t>;
2765 extern template class ctype_byname<wchar_t>;
2766 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2767 extern template class collate<wchar_t>;
2768 extern template class collate_byname<wchar_t>;
2771 const codecvt<wchar_t, char, mbstate_t>&
2772 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2775 const collate<wchar_t>&
2776 use_facet<collate<wchar_t> >(const locale&);
2779 const numpunct<wchar_t>&
2780 use_facet<numpunct<wchar_t> >(const locale&);
2783 const num_put<wchar_t>&
2784 use_facet<num_put<wchar_t> >(const locale&);
2787 const num_get<wchar_t>&
2788 use_facet<num_get<wchar_t> >(const locale&);
2791 const moneypunct<wchar_t, true>&
2792 use_facet<moneypunct<wchar_t, true> >(const locale&);
2795 const moneypunct<wchar_t, false>&
2796 use_facet<moneypunct<wchar_t, false> >(const locale&);
2799 const money_put<wchar_t>&
2800 use_facet<money_put<wchar_t> >(const locale&);
2803 const money_get<wchar_t>&
2804 use_facet<money_get<wchar_t> >(const locale&);
2807 const __timepunct<wchar_t>&
2808 use_facet<__timepunct<wchar_t> >(const locale&);
2811 const time_put<wchar_t>&
2812 use_facet<time_put<wchar_t> >(const locale&);
2815 const time_get<wchar_t>&
2816 use_facet<time_get<wchar_t> >(const locale&);
2819 const messages<wchar_t>&
2820 use_facet<messages<wchar_t> >(const locale&);
2824 has_facet<ctype<wchar_t> >(const locale&);
2828 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2832 has_facet<collate<wchar_t> >(const locale&);
2836 has_facet<numpunct<wchar_t> >(const locale&);
2840 has_facet<num_put<wchar_t> >(const locale&);
2844 has_facet<num_get<wchar_t> >(const locale&);
2848 has_facet<moneypunct<wchar_t> >(const locale&);
2852 has_facet<money_put<wchar_t> >(const locale&);
2856 has_facet<money_get<wchar_t> >(const locale&);
2860 has_facet<__timepunct<wchar_t> >(const locale&);
2864 has_facet<time_put<wchar_t> >(const locale&);
2868 has_facet<time_get<wchar_t> >(const locale&);
2872 has_facet<messages<wchar_t> >(const locale&);
2876 _GLIBCXX_END_NAMESPACE