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 using __gnu_cxx::__add_unsigned;
967 _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
968 __grouping_size, __cs, __cs + __len);
972 template<typename _CharT, typename _OutIter>
973 template<typename _ValueT>
975 num_put<_CharT, _OutIter>::
976 _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
979 using __gnu_cxx::__add_unsigned;
980 typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
981 typedef __numpunct_cache<_CharT> __cache_type;
982 __use_cache<__cache_type> __uc;
983 const locale& __loc = __io._M_getloc();
984 const __cache_type* __lc = __uc(__loc);
985 const _CharT* __lit = __lc->_M_atoms_out;
986 const ios_base::fmtflags __flags = __io.flags();
988 // Long enough to hold hex, dec, and octal representations.
989 const int __ilen = 5 * sizeof(_ValueT);
990 _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
993 // [22.2.2.2.2] Stage 1, numeric conversion to character.
994 // Result is returned right-justified in the buffer.
995 const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
996 const bool __dec = (__basefield != ios_base::oct
997 && __basefield != ios_base::hex);
998 const __unsigned_type __u = (__v > 0 || !__dec) ? __v : -__v;
999 int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
1000 __cs += __ilen - __len;
1002 // Add grouping, if necessary.
1003 if (__lc->_M_use_grouping)
1005 // Grouping can add (almost) as many separators as the number
1006 // of digits + space is reserved for numeric base or sign.
1007 _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1010 _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
1011 __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
1015 // Complete Stage 1, prepend numeric base or sign.
1016 if (__builtin_expect(__dec, true))
1021 if (__flags & ios_base::showpos
1022 && numeric_limits<_ValueT>::is_signed)
1023 *--__cs = __lit[__num_base::_S_oplus], ++__len;
1026 *--__cs = __lit[__num_base::_S_ominus], ++__len;
1028 else if (__flags & ios_base::showbase && __v)
1030 if (__basefield == ios_base::oct)
1031 *--__cs = __lit[__num_base::_S_odigits], ++__len;
1035 const bool __uppercase = __flags & ios_base::uppercase;
1036 *--__cs = __lit[__num_base::_S_ox + __uppercase];
1038 *--__cs = __lit[__num_base::_S_odigits];
1044 const streamsize __w = __io.width();
1045 if (__w > static_cast<streamsize>(__len))
1047 _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1049 _M_pad(__fill, __w, __io, __cs3, __cs, __len);
1054 // [22.2.2.2.2] Stage 4.
1055 // Write resulting, fully-formatted string to output iterator.
1056 return std::__write(__s, __cs, __len);
1059 template<typename _CharT, typename _OutIter>
1061 num_put<_CharT, _OutIter>::
1062 _M_group_float(const char* __grouping, size_t __grouping_size,
1063 _CharT __sep, const _CharT* __p, _CharT* __new,
1064 _CharT* __cs, int& __len) const
1066 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1067 // 282. What types does numpunct grouping refer to?
1068 // Add grouping, if necessary.
1069 const int __declen = __p ? __p - __cs : __len;
1070 _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
1072 __cs, __cs + __declen);
1074 // Tack on decimal part.
1075 int __newlen = __p2 - __new;
1078 char_traits<_CharT>::copy(__p2, __p, __len - __declen);
1079 __newlen += __len - __declen;
1084 // The following code uses vsnprintf (or vsprintf(), when
1085 // _GLIBCXX_USE_C99 is not defined) to convert floating point values
1086 // for insertion into a stream. An optimization would be to replace
1087 // them with code that works directly on a wide buffer and then use
1088 // __pad to do the padding. It would be good to replace them anyway
1089 // to gain back the efficiency that C++ provides by knowing up front
1090 // the type of the values to insert. Also, sprintf is dangerous
1091 // since may lead to accidental buffer overruns. This
1092 // implementation follows the C++ standard fairly directly as
1093 // outlined in 22.2.2.2 [lib.locale.num.put]
1094 template<typename _CharT, typename _OutIter>
1095 template<typename _ValueT>
1097 num_put<_CharT, _OutIter>::
1098 _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
1101 typedef __numpunct_cache<_CharT> __cache_type;
1102 __use_cache<__cache_type> __uc;
1103 const locale& __loc = __io._M_getloc();
1104 const __cache_type* __lc = __uc(__loc);
1106 // Use default precision if out of range.
1107 const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
1109 const int __max_digits = numeric_limits<_ValueT>::digits10;
1111 // [22.2.2.2.2] Stage 1, numeric conversion to character.
1113 // Long enough for the max format spec.
1115 __num_base::_S_format_float(__io, __fbuf, __mod);
1117 #ifdef _GLIBCXX_USE_C99
1118 // First try a buffer perhaps big enough (most probably sufficient
1119 // for non-ios_base::fixed outputs)
1120 int __cs_size = __max_digits * 3;
1121 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1122 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1123 __fbuf, __prec, __v);
1125 // If the buffer was not large enough, try again with the correct size.
1126 if (__len >= __cs_size)
1128 __cs_size = __len + 1;
1129 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1130 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1131 __fbuf, __prec, __v);
1134 // Consider the possibility of long ios_base::fixed outputs
1135 const bool __fixed = __io.flags() & ios_base::fixed;
1136 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
1138 // The size of the output string is computed as follows.
1139 // ios_base::fixed outputs may need up to __max_exp + 1 chars
1140 // for the integer part + __prec chars for the fractional part
1141 // + 3 chars for sign, decimal point, '\0'. On the other hand,
1142 // for non-fixed outputs __max_digits * 2 + __prec chars are
1143 // largely sufficient.
1144 const int __cs_size = __fixed ? __max_exp + __prec + 4
1145 : __max_digits * 2 + __prec;
1146 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1147 __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf,
1151 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
1152 // numpunct.decimal_point() values for '.' and adding grouping.
1153 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1155 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1157 __ctype.widen(__cs, __cs + __len, __ws);
1159 // Replace decimal point.
1161 const char* __p = char_traits<char>::find(__cs, __len, '.');
1164 __wp = __ws + (__p - __cs);
1165 *__wp = __lc->_M_decimal_point;
1168 // Add grouping, if necessary.
1169 // N.B. Make sure to not group things like 2e20, i.e., no decimal
1170 // point, scientific notation.
1171 if (__lc->_M_use_grouping
1172 && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
1173 && __cs[1] >= '0' && __cs[2] >= '0')))
1175 // Grouping can add (almost) as many separators as the
1176 // number of digits, but no more.
1177 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1180 streamsize __off = 0;
1181 if (__cs[0] == '-' || __cs[0] == '+')
1188 _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
1189 __lc->_M_thousands_sep, __wp, __ws2 + __off,
1190 __ws + __off, __len);
1197 const streamsize __w = __io.width();
1198 if (__w > static_cast<streamsize>(__len))
1200 _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1202 _M_pad(__fill, __w, __io, __ws3, __ws, __len);
1207 // [22.2.2.2.2] Stage 4.
1208 // Write resulting, fully-formatted string to output iterator.
1209 return std::__write(__s, __ws, __len);
1212 template<typename _CharT, typename _OutIter>
1214 num_put<_CharT, _OutIter>::
1215 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
1217 const ios_base::fmtflags __flags = __io.flags();
1218 if ((__flags & ios_base::boolalpha) == 0)
1220 const long __l = __v;
1221 __s = _M_insert_int(__s, __io, __fill, __l);
1225 typedef __numpunct_cache<_CharT> __cache_type;
1226 __use_cache<__cache_type> __uc;
1227 const locale& __loc = __io._M_getloc();
1228 const __cache_type* __lc = __uc(__loc);
1230 const _CharT* __name = __v ? __lc->_M_truename
1231 : __lc->_M_falsename;
1232 int __len = __v ? __lc->_M_truename_size
1233 : __lc->_M_falsename_size;
1235 const streamsize __w = __io.width();
1236 if (__w > static_cast<streamsize>(__len))
1239 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1241 _M_pad(__fill, __w, __io, __cs, __name, __len);
1245 __s = std::__write(__s, __name, __len);
1250 template<typename _CharT, typename _OutIter>
1252 num_put<_CharT, _OutIter>::
1253 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
1254 { return _M_insert_int(__s, __io, __fill, __v); }
1256 template<typename _CharT, typename _OutIter>
1258 num_put<_CharT, _OutIter>::
1259 do_put(iter_type __s, ios_base& __io, char_type __fill,
1260 unsigned long __v) const
1261 { return _M_insert_int(__s, __io, __fill, __v); }
1263 #ifdef _GLIBCXX_USE_LONG_LONG
1264 template<typename _CharT, typename _OutIter>
1266 num_put<_CharT, _OutIter>::
1267 do_put(iter_type __s, ios_base& __io, char_type __fill, long long __v) const
1268 { return _M_insert_int(__s, __io, __fill, __v); }
1270 template<typename _CharT, typename _OutIter>
1272 num_put<_CharT, _OutIter>::
1273 do_put(iter_type __s, ios_base& __io, char_type __fill,
1274 unsigned long long __v) const
1275 { return _M_insert_int(__s, __io, __fill, __v); }
1278 template<typename _CharT, typename _OutIter>
1280 num_put<_CharT, _OutIter>::
1281 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1282 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1284 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1285 template<typename _CharT, typename _OutIter>
1287 num_put<_CharT, _OutIter>::
1288 __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
1289 { return _M_insert_float(__s, __io, __fill, char(), __v); }
1292 template<typename _CharT, typename _OutIter>
1294 num_put<_CharT, _OutIter>::
1295 do_put(iter_type __s, ios_base& __io, char_type __fill,
1296 long double __v) const
1297 { return _M_insert_float(__s, __io, __fill, 'L', __v); }
1299 template<typename _CharT, typename _OutIter>
1301 num_put<_CharT, _OutIter>::
1302 do_put(iter_type __s, ios_base& __io, char_type __fill,
1303 const void* __v) const
1305 const ios_base::fmtflags __flags = __io.flags();
1306 const ios_base::fmtflags __fmt = ~(ios_base::basefield
1307 | ios_base::uppercase
1308 | ios_base::internal);
1309 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
1311 __s = _M_insert_int(__s, __io, __fill,
1312 reinterpret_cast<unsigned long>(__v));
1313 __io.flags(__flags);
1317 template<typename _CharT, typename _InIter>
1318 template<bool _Intl>
1320 money_get<_CharT, _InIter>::
1321 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
1322 ios_base::iostate& __err, string& __units) const
1324 typedef char_traits<_CharT> __traits_type;
1325 typedef typename string_type::size_type size_type;
1326 typedef money_base::part part;
1327 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
1329 const locale& __loc = __io._M_getloc();
1330 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1332 __use_cache<__cache_type> __uc;
1333 const __cache_type* __lc = __uc(__loc);
1334 const char_type* __lit = __lc->_M_atoms;
1337 bool __negative = false;
1339 size_type __sign_size = 0;
1340 // True if sign is mandatory.
1341 const bool __mandatory_sign = (__lc->_M_positive_sign_size
1342 && __lc->_M_negative_sign_size);
1343 // String of grouping info from thousands_sep plucked from __units.
1344 string __grouping_tmp;
1345 if (__lc->_M_use_grouping)
1346 __grouping_tmp.reserve(32);
1347 // Last position before the decimal point.
1349 // Separator positions, then, possibly, fractional digits.
1351 // If input iterator is in a valid state.
1352 bool __testvalid = true;
1353 // Flag marking when a decimal point is found.
1354 bool __testdecfound = false;
1356 // The tentative returned string is stored here.
1360 const char_type* __lit_zero = __lit + money_base::_S_zero;
1361 const money_base::pattern __p = __lc->_M_neg_format;
1362 for (int __i = 0; __i < 4 && __testvalid; ++__i)
1364 const part __which = static_cast<part>(__p.field[__i]);
1367 case money_base::symbol:
1368 // According to 22.2.6.1.2, p2, symbol is required
1369 // if (__io.flags() & ios_base::showbase), otherwise
1370 // is optional and consumed only if other characters
1371 // are needed to complete the format.
1372 if (__io.flags() & ios_base::showbase || __sign_size > 1
1374 || (__i == 1 && (__mandatory_sign
1375 || (static_cast<part>(__p.field[0])
1376 == money_base::sign)
1377 || (static_cast<part>(__p.field[2])
1378 == money_base::space)))
1379 || (__i == 2 && ((static_cast<part>(__p.field[3])
1380 == money_base::value)
1382 && (static_cast<part>(__p.field[3])
1383 == money_base::sign))))
1385 const size_type __len = __lc->_M_curr_symbol_size;
1387 for (; __beg != __end && __j < __len
1388 && *__beg == __lc->_M_curr_symbol[__j];
1391 && (__j || __io.flags() & ios_base::showbase))
1392 __testvalid = false;
1395 case money_base::sign:
1396 // Sign might not exist, or be more than one character long.
1397 if (__lc->_M_positive_sign_size && __beg != __end
1398 && *__beg == __lc->_M_positive_sign[0])
1400 __sign_size = __lc->_M_positive_sign_size;
1403 else if (__lc->_M_negative_sign_size && __beg != __end
1404 && *__beg == __lc->_M_negative_sign[0])
1407 __sign_size = __lc->_M_negative_sign_size;
1410 else if (__lc->_M_positive_sign_size
1411 && !__lc->_M_negative_sign_size)
1412 // "... if no sign is detected, the result is given the sign
1413 // that corresponds to the source of the empty string"
1415 else if (__mandatory_sign)
1416 __testvalid = false;
1418 case money_base::value:
1419 // Extract digits, remove and stash away the
1420 // grouping of found thousands separators.
1421 for (; __beg != __end; ++__beg)
1423 const char_type __c = *__beg;
1424 const char_type* __q = __traits_type::find(__lit_zero,
1428 __res += money_base::_S_atoms[__q - __lit];
1431 else if (__c == __lc->_M_decimal_point
1436 __testdecfound = true;
1438 else if (__lc->_M_use_grouping
1439 && __c == __lc->_M_thousands_sep
1444 // Mark position for later analysis.
1445 __grouping_tmp += static_cast<char>(__n);
1450 __testvalid = false;
1458 __testvalid = false;
1460 case money_base::space:
1461 // At least one space is required.
1462 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
1465 __testvalid = false;
1466 case money_base::none:
1467 // Only if not at the end of the pattern.
1469 for (; __beg != __end
1470 && __ctype.is(ctype_base::space, *__beg); ++__beg);
1475 // Need to get the rest of the sign characters, if they exist.
1476 if (__sign_size > 1 && __testvalid)
1478 const char_type* __sign = __negative ? __lc->_M_negative_sign
1479 : __lc->_M_positive_sign;
1481 for (; __beg != __end && __i < __sign_size
1482 && *__beg == __sign[__i]; ++__beg, ++__i);
1484 if (__i != __sign_size)
1485 __testvalid = false;
1490 // Strip leading zeros.
1491 if (__res.size() > 1)
1493 const size_type __first = __res.find_first_not_of('0');
1494 const bool __only_zeros = __first == string::npos;
1496 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
1500 if (__negative && __res[0] != '0')
1501 __res.insert(__res.begin(), '-');
1503 // Test for grouping fidelity.
1504 if (__grouping_tmp.size())
1506 // Add the ending grouping.
1507 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
1509 if (!std::__verify_grouping(__lc->_M_grouping,
1510 __lc->_M_grouping_size,
1512 __err |= ios_base::failbit;
1515 // Iff not enough digits were supplied after the decimal-point.
1516 if (__testdecfound && __lc->_M_frac_digits > 0
1517 && __n != __lc->_M_frac_digits)
1518 __testvalid = false;
1521 // Iff valid sequence is not recognized.
1523 __err |= ios_base::failbit;
1525 __units.swap(__res);
1527 // Iff no more characters are available.
1529 __err |= ios_base::eofbit;
1533 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1534 template<typename _CharT, typename _InIter>
1536 money_get<_CharT, _InIter>::
1537 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1538 ios_base::iostate& __err, double& __units) const
1542 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1544 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1545 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1550 template<typename _CharT, typename _InIter>
1552 money_get<_CharT, _InIter>::
1553 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1554 ios_base::iostate& __err, long double& __units) const
1558 __beg = _M_extract<true>(__beg, __end, __io, __err, __str);
1560 __beg = _M_extract<false>(__beg, __end, __io, __err, __str);
1561 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
1565 template<typename _CharT, typename _InIter>
1567 money_get<_CharT, _InIter>::
1568 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
1569 ios_base::iostate& __err, string_type& __units) const
1571 typedef typename string::size_type size_type;
1573 const locale& __loc = __io._M_getloc();
1574 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1577 const iter_type __ret = __intl ? _M_extract<true>(__beg, __end, __io,
1579 : _M_extract<false>(__beg, __end, __io,
1581 const size_type __len = __str.size();
1584 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1586 __ctype.widen(__str.data(), __str.data() + __len, __ws);
1587 __units.assign(__ws, __len);
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 int __paddec = __len - __lc->_M_frac_digits;
1649 if (__lc->_M_frac_digits < 0)
1651 if (__lc->_M_grouping_size)
1654 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1657 std::__add_grouping(__ws, __lc->_M_thousands_sep,
1659 __lc->_M_grouping_size,
1660 __beg, __beg + __paddec);
1661 __value.assign(__ws, __ws_end - __ws);
1664 __value.assign(__beg, __paddec);
1667 // Deal with decimal point, decimal digits.
1668 if (__lc->_M_frac_digits > 0)
1670 __value += __lc->_M_decimal_point;
1672 __value.append(__beg + __paddec, __lc->_M_frac_digits);
1675 // Have to pad zeros in the decimal position.
1676 __value.append(-__paddec, __lit[money_base::_S_zero]);
1677 __value.append(__beg, __len);
1681 // Calculate length of resulting string.
1682 const ios_base::fmtflags __f = __io.flags()
1683 & ios_base::adjustfield;
1684 __len = __value.size() + __sign_size;
1685 __len += ((__io.flags() & ios_base::showbase)
1686 ? __lc->_M_curr_symbol_size : 0);
1689 __res.reserve(2 * __len);
1691 const size_type __width = static_cast<size_type>(__io.width());
1692 const bool __testipad = (__f == ios_base::internal
1693 && __len < __width);
1694 // Fit formatted digits into the required pattern.
1695 for (int __i = 0; __i < 4; ++__i)
1697 const part __which = static_cast<part>(__p.field[__i]);
1700 case money_base::symbol:
1701 if (__io.flags() & ios_base::showbase)
1702 __res.append(__lc->_M_curr_symbol,
1703 __lc->_M_curr_symbol_size);
1705 case money_base::sign:
1706 // Sign might not exist, or be more than one
1707 // charater long. In that case, add in the rest
1712 case money_base::value:
1715 case money_base::space:
1716 // At least one space is required, but if internal
1717 // formatting is required, an arbitrary number of
1718 // fill spaces will be necessary.
1720 __res.append(__width - __len, __fill);
1724 case money_base::none:
1726 __res.append(__width - __len, __fill);
1731 // Special case of multi-part sign parts.
1732 if (__sign_size > 1)
1733 __res.append(__sign + 1, __sign_size - 1);
1735 // Pad, if still necessary.
1736 __len = __res.size();
1737 if (__width > __len)
1739 if (__f == ios_base::left)
1741 __res.append(__width - __len, __fill);
1744 __res.insert(0, __width - __len, __fill);
1748 // Write resulting, fully-formatted string to output iterator.
1749 __s = std::__write(__s, __res.data(), __len);
1755 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
1756 template<typename _CharT, typename _OutIter>
1758 money_put<_CharT, _OutIter>::
1759 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1760 double __units) const
1762 return this->do_put(__s, __intl, __io, __fill, (long double) __units);
1766 template<typename _CharT, typename _OutIter>
1768 money_put<_CharT, _OutIter>::
1769 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1770 long double __units) const
1772 const locale __loc = __io.getloc();
1773 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1774 #ifdef _GLIBCXX_USE_C99
1775 // First try a buffer perhaps big enough.
1777 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1778 // _GLIBCXX_RESOLVE_LIB_DEFECTS
1779 // 328. Bad sprintf format modifier in money_put<>::do_put()
1780 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1781 "%.*Lf", 0, __units);
1782 // If the buffer was not large enough, try again with the correct size.
1783 if (__len >= __cs_size)
1785 __cs_size = __len + 1;
1786 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1787 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
1788 "%.*Lf", 0, __units);
1791 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
1792 const int __cs_size = numeric_limits<long double>::max_exponent10 + 3;
1793 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1794 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
1797 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
1799 __ctype.widen(__cs, __cs + __len, __ws);
1800 const string_type __digits(__ws, __len);
1801 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1802 : _M_insert<false>(__s, __io, __fill, __digits);
1805 template<typename _CharT, typename _OutIter>
1807 money_put<_CharT, _OutIter>::
1808 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1809 const string_type& __digits) const
1810 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
1811 : _M_insert<false>(__s, __io, __fill, __digits); }
1813 _GLIBCXX_END_LDBL_NAMESPACE
1815 // NB: Not especially useful. Without an ios_base object or some
1816 // kind of locale reference, we are left clawing at the air where
1817 // the side of the mountain used to be...
1818 template<typename _CharT, typename _InIter>
1819 time_base::dateorder
1820 time_get<_CharT, _InIter>::do_date_order() const
1821 { return time_base::no_order; }
1823 // Expand a strftime format string and parse it. E.g., do_get_date() may
1824 // pass %m/%d/%Y => extracted characters.
1825 template<typename _CharT, typename _InIter>
1827 time_get<_CharT, _InIter>::
1828 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
1829 ios_base::iostate& __err, tm* __tm,
1830 const _CharT* __format) const
1832 const locale& __loc = __io._M_getloc();
1833 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1834 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1835 const size_t __len = char_traits<_CharT>::length(__format);
1837 ios_base::iostate __tmperr = ios_base::goodbit;
1838 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
1840 if (__ctype.narrow(__format[__i], 0) == '%')
1842 // Verify valid formatting code, attempt to extract.
1843 char __c = __ctype.narrow(__format[++__i], 0);
1845 if (__c == 'E' || __c == 'O')
1846 __c = __ctype.narrow(__format[++__i], 0);
1852 // Abbreviated weekday name [tm_wday]
1853 const char_type* __days1[7];
1854 __tp._M_days_abbreviated(__days1);
1855 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
1859 // Weekday name [tm_wday].
1860 const char_type* __days2[7];
1861 __tp._M_days(__days2);
1862 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
1867 // Abbreviated month name [tm_mon]
1868 const char_type* __months1[12];
1869 __tp._M_months_abbreviated(__months1);
1870 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1871 __months1, 12, __io, __tmperr);
1874 // Month name [tm_mon].
1875 const char_type* __months2[12];
1876 __tp._M_months(__months2);
1877 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
1878 __months2, 12, __io, __tmperr);
1881 // Default time and date representation.
1882 const char_type* __dt[2];
1883 __tp._M_date_time_formats(__dt);
1884 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1888 // Day [01, 31]. [tm_mday]
1889 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1893 // Day [1, 31], with single digits preceded by
1895 if (__ctype.is(ctype_base::space, *__beg))
1896 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
1899 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
1903 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1905 __ctype.widen(__cs, __cs + 9, __wcs);
1906 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1910 // Hour [00, 23]. [tm_hour]
1911 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1915 // Hour [01, 12]. [tm_hour]
1916 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1920 // Month [01, 12]. [tm_mon]
1921 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
1924 __tm->tm_mon = __mem - 1;
1927 // Minute [00, 59]. [tm_min]
1928 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1932 if (__ctype.narrow(*__beg, 0) == '\n')
1935 __tmperr |= ios_base::failbit;
1938 // Equivalent to (%H:%M).
1940 __ctype.widen(__cs, __cs + 6, __wcs);
1941 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1945 // Seconds. [tm_sec]
1946 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
1947 #ifdef _GLIBCXX_USE_C99
1948 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
1950 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
1955 if (__ctype.narrow(*__beg, 0) == '\t')
1958 __tmperr |= ios_base::failbit;
1961 // Equivalent to (%H:%M:%S).
1963 __ctype.widen(__cs, __cs + 9, __wcs);
1964 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1969 const char_type* __dates[2];
1970 __tp._M_date_formats(__dates);
1971 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1976 const char_type* __times[2];
1977 __tp._M_time_formats(__times);
1978 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
1983 // Two digit year. [tm_year]
1984 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1988 // Year [1900). [tm_year]
1989 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
1992 __tm->tm_year = __mem - 1900;
1996 if (__ctype.is(ctype_base::upper, *__beg))
1999 __beg = _M_extract_name(__beg, __end, __tmp,
2000 __timepunct_cache<_CharT>::_S_timezones,
2001 14, __io, __tmperr);
2003 // GMT requires special effort.
2004 if (__beg != __end && !__tmperr && __tmp == 0
2005 && (*__beg == __ctype.widen('-')
2006 || *__beg == __ctype.widen('+')))
2008 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
2010 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
2015 __tmperr |= ios_base::failbit;
2019 __tmperr |= ios_base::failbit;
2024 // Verify format and input match, extract and discard.
2025 if (__format[__i] == *__beg)
2028 __tmperr |= ios_base::failbit;
2033 __err |= ios_base::failbit;
2038 template<typename _CharT, typename _InIter>
2040 time_get<_CharT, _InIter>::
2041 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
2042 int __min, int __max, size_t __len,
2043 ios_base& __io, ios_base::iostate& __err) const
2045 const locale& __loc = __io._M_getloc();
2046 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2048 // As-is works for __len = 1, 2, 4, the values actually used.
2049 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
2054 for (; __beg != __end && __i < __len; ++__beg, ++__i)
2056 const char __c = __ctype.narrow(*__beg, '*');
2057 if (__c >= '0' && __c <= '9')
2059 __value = __value * 10 + (__c - '0');
2060 const int __valuec = __value * __mult;
2061 if (__valuec > __max || __valuec + __mult < __min)
2071 __err |= ios_base::failbit;
2077 // All elements in __names are unique.
2078 template<typename _CharT, typename _InIter>
2080 time_get<_CharT, _InIter>::
2081 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
2082 const _CharT** __names, size_t __indexlen,
2083 ios_base& __io, ios_base::iostate& __err) const
2085 typedef char_traits<_CharT> __traits_type;
2086 const locale& __loc = __io._M_getloc();
2087 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2089 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
2091 size_t __nmatches = 0;
2093 bool __testvalid = true;
2094 const char_type* __name;
2096 // Look for initial matches.
2097 // NB: Some of the locale data is in the form of all lowercase
2098 // names, and some is in the form of initially-capitalized
2099 // names. Look for both.
2102 const char_type __c = *__beg;
2103 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
2104 if (__c == __names[__i1][0]
2105 || __c == __ctype.toupper(__names[__i1][0]))
2106 __matches[__nmatches++] = __i1;
2109 while (__nmatches > 1)
2111 // Find smallest matching string.
2112 size_t __minlen = __traits_type::length(__names[__matches[0]]);
2113 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
2114 __minlen = std::min(__minlen,
2115 __traits_type::length(__names[__matches[__i2]]));
2117 if (__pos < __minlen && __beg != __end)
2118 for (size_t __i3 = 0; __i3 < __nmatches;)
2120 __name = __names[__matches[__i3]];
2121 if (!(__name[__pos] == *__beg))
2122 __matches[__i3] = __matches[--__nmatches];
2130 if (__nmatches == 1)
2132 // Make sure found name is completely extracted.
2134 __name = __names[__matches[0]];
2135 const size_t __len = __traits_type::length(__name);
2136 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
2140 __member = __matches[0];
2142 __testvalid = false;
2145 __testvalid = false;
2147 __err |= ios_base::failbit;
2152 template<typename _CharT, typename _InIter>
2154 time_get<_CharT, _InIter>::
2155 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
2156 ios_base::iostate& __err, tm* __tm) const
2158 const locale& __loc = __io._M_getloc();
2159 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2160 const char_type* __times[2];
2161 __tp._M_time_formats(__times);
2162 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2165 __err |= ios_base::eofbit;
2169 template<typename _CharT, typename _InIter>
2171 time_get<_CharT, _InIter>::
2172 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
2173 ios_base::iostate& __err, tm* __tm) const
2175 const locale& __loc = __io._M_getloc();
2176 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2177 const char_type* __dates[2];
2178 __tp._M_date_formats(__dates);
2179 __beg = _M_extract_via_format(__beg, __end, __io, __err,
2182 __err |= ios_base::eofbit;
2186 template<typename _CharT, typename _InIter>
2188 time_get<_CharT, _InIter>::
2189 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
2190 ios_base::iostate& __err, tm* __tm) const
2192 typedef char_traits<_CharT> __traits_type;
2193 const locale& __loc = __io._M_getloc();
2194 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2195 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2196 const char_type* __days[7];
2197 __tp._M_days_abbreviated(__days);
2199 ios_base::iostate __tmperr = ios_base::goodbit;
2200 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
2203 // Check to see if non-abbreviated name exists, and extract.
2204 // NB: Assumes both _M_days and _M_days_abbreviated organized in
2205 // exact same order, first to last, such that the resulting
2206 // __days array with the same index points to a day, and that
2207 // day's abbreviated form.
2208 // NB: Also assumes that an abbreviated name is a subset of the name.
2209 if (!__tmperr && __beg != __end)
2211 size_t __pos = __traits_type::length(__days[__tmpwday]);
2212 __tp._M_days(__days);
2213 const char_type* __name = __days[__tmpwday];
2214 if (__name[__pos] == *__beg)
2216 // Extract the rest of it.
2217 const size_t __len = __traits_type::length(__name);
2218 while (__pos < __len && __beg != __end
2219 && __name[__pos] == *__beg)
2222 __tmperr |= ios_base::failbit;
2226 __tm->tm_wday = __tmpwday;
2228 __err |= ios_base::failbit;
2231 __err |= ios_base::eofbit;
2235 template<typename _CharT, typename _InIter>
2237 time_get<_CharT, _InIter>::
2238 do_get_monthname(iter_type __beg, iter_type __end,
2239 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
2241 typedef char_traits<_CharT> __traits_type;
2242 const locale& __loc = __io._M_getloc();
2243 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
2244 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2245 const char_type* __months[12];
2246 __tp._M_months_abbreviated(__months);
2248 ios_base::iostate __tmperr = ios_base::goodbit;
2249 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
2252 // Check to see if non-abbreviated name exists, and extract.
2253 // NB: Assumes both _M_months and _M_months_abbreviated organized in
2254 // exact same order, first to last, such that the resulting
2255 // __months array with the same index points to a month, and that
2256 // month's abbreviated form.
2257 // NB: Also assumes that an abbreviated name is a subset of the name.
2258 if (!__tmperr && __beg != __end)
2260 size_t __pos = __traits_type::length(__months[__tmpmon]);
2261 __tp._M_months(__months);
2262 const char_type* __name = __months[__tmpmon];
2263 if (__name[__pos] == *__beg)
2265 // Extract the rest of it.
2266 const size_t __len = __traits_type::length(__name);
2267 while (__pos < __len && __beg != __end
2268 && __name[__pos] == *__beg)
2271 __tmperr |= ios_base::failbit;
2275 __tm->tm_mon = __tmpmon;
2277 __err |= ios_base::failbit;
2280 __err |= ios_base::eofbit;
2284 template<typename _CharT, typename _InIter>
2286 time_get<_CharT, _InIter>::
2287 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
2288 ios_base::iostate& __err, tm* __tm) const
2290 const locale& __loc = __io._M_getloc();
2291 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2295 for (; __beg != __end && __i < 4; ++__beg, ++__i)
2297 const char __c = __ctype.narrow(*__beg, '*');
2298 if (__c >= '0' && __c <= '9')
2299 __value = __value * 10 + (__c - '0');
2303 if (__i == 2 || __i == 4)
2304 __tm->tm_year = __i == 2 ? __value : __value - 1900;
2306 __err |= ios_base::failbit;
2309 __err |= ios_base::eofbit;
2313 template<typename _CharT, typename _OutIter>
2315 time_put<_CharT, _OutIter>::
2316 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
2317 const _CharT* __beg, const _CharT* __end) const
2319 const locale& __loc = __io._M_getloc();
2320 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2321 for (; __beg != __end; ++__beg)
2322 if (__ctype.narrow(*__beg, 0) != '%')
2327 else if (++__beg != __end)
2331 const char __c = __ctype.narrow(*__beg, 0);
2332 if (__c != 'E' && __c != 'O')
2334 else if (++__beg != __end)
2337 __format = __ctype.narrow(*__beg, 0);
2341 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
2348 template<typename _CharT, typename _OutIter>
2350 time_put<_CharT, _OutIter>::
2351 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
2352 char __format, char __mod) const
2354 const locale& __loc = __io._M_getloc();
2355 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
2356 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
2358 // NB: This size is arbitrary. Should this be a data member,
2359 // initialized at construction?
2360 const size_t __maxlen = 128;
2362 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
2364 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
2365 // is possible that the format character will be longer than one
2366 // character. Possibilities include 'E' or 'O' followed by a
2367 // format character: if __mod is not the default argument, assume
2368 // it's a valid modifier.
2370 __fmt[0] = __ctype.widen('%');
2373 __fmt[1] = __format;
2374 __fmt[2] = char_type();
2379 __fmt[2] = __format;
2380 __fmt[3] = char_type();
2383 __tp._M_put(__res, __maxlen, __fmt, __tm);
2385 // Write resulting, fully-formatted string to output iterator.
2386 return std::__write(__s, __res, char_traits<char_type>::length(__res));
2389 // Generic version does nothing.
2390 template<typename _CharT>
2392 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
2395 // Generic version does nothing.
2396 template<typename _CharT>
2398 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
2401 template<typename _CharT>
2404 do_compare(const _CharT* __lo1, const _CharT* __hi1,
2405 const _CharT* __lo2, const _CharT* __hi2) const
2407 // strcoll assumes zero-terminated strings so we make a copy
2408 // and then put a zero at the end.
2409 const string_type __one(__lo1, __hi1);
2410 const string_type __two(__lo2, __hi2);
2412 const _CharT* __p = __one.c_str();
2413 const _CharT* __pend = __one.data() + __one.length();
2414 const _CharT* __q = __two.c_str();
2415 const _CharT* __qend = __two.data() + __two.length();
2417 // strcoll stops when it sees a nul character so we break
2418 // the strings into zero-terminated substrings and pass those
2422 const int __res = _M_compare(__p, __q);
2426 __p += char_traits<_CharT>::length(__p);
2427 __q += char_traits<_CharT>::length(__q);
2428 if (__p == __pend && __q == __qend)
2430 else if (__p == __pend)
2432 else if (__q == __qend)
2440 template<typename _CharT>
2441 typename collate<_CharT>::string_type
2443 do_transform(const _CharT* __lo, const _CharT* __hi) const
2447 // strxfrm assumes zero-terminated strings so we make a copy
2448 const string_type __str(__lo, __hi);
2450 const _CharT* __p = __str.c_str();
2451 const _CharT* __pend = __str.data() + __str.length();
2453 size_t __len = (__hi - __lo) * 2;
2455 _CharT* __c = new _CharT[__len];
2459 // strxfrm stops when it sees a nul character so we break
2460 // the string into zero-terminated substrings and pass those
2464 // First try a buffer perhaps big enough.
2465 size_t __res = _M_transform(__c, __p, __len);
2466 // If the buffer was not large enough, try again with the
2471 delete [] __c, __c = 0;
2472 __c = new _CharT[__len];
2473 __res = _M_transform(__c, __p, __len);
2476 __ret.append(__c, __res);
2477 __p += char_traits<_CharT>::length(__p);
2482 __ret.push_back(_CharT());
2488 __throw_exception_again;
2496 template<typename _CharT>
2499 do_hash(const _CharT* __lo, const _CharT* __hi) const
2501 unsigned long __val = 0;
2502 for (; __lo < __hi; ++__lo)
2503 __val = *__lo + ((__val << 7) |
2504 (__val >> (numeric_limits<unsigned long>::digits - 7)));
2505 return static_cast<long>(__val);
2508 // Construct correctly padded string, as per 22.2.2.2.2
2510 // __newlen > __oldlen
2511 // __news is allocated for __newlen size
2512 // Used by both num_put and ostream inserters: if __num,
2513 // internal-adjusted objects are padded according to the rules below
2514 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
2517 // NB: Of the two parameters, _CharT can be deduced from the
2518 // function arguments. The other (_Traits) has to be explicitly specified.
2519 template<typename _CharT, typename _Traits>
2521 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2522 _CharT* __news, const _CharT* __olds,
2523 const streamsize __newlen,
2524 const streamsize __oldlen, const bool __num)
2526 const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2527 const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2530 if (__adjust == ios_base::left)
2532 _Traits::copy(__news, const_cast<_CharT*>(__olds), __oldlen);
2533 _Traits::assign(__news + __oldlen, __plen, __fill);
2538 if (__adjust == ios_base::internal && __num)
2540 // Pad after the sign, if there is one.
2541 // Pad after 0[xX], if there is one.
2542 // Who came up with these rules, anyway? Jeeze.
2543 const locale& __loc = __io._M_getloc();
2544 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2546 const bool __testsign = (__ctype.widen('-') == __olds[0]
2547 || __ctype.widen('+') == __olds[0]);
2548 const bool __testhex = (__ctype.widen('0') == __olds[0]
2550 && (__ctype.widen('x') == __olds[1]
2551 || __ctype.widen('X') == __olds[1]));
2554 __news[0] = __olds[0];
2555 __news[1] = __olds[1];
2559 else if (__testsign)
2561 __news[0] = __olds[0];
2565 // else Padding first.
2567 _Traits::assign(__news, __plen, __fill);
2568 _Traits::copy(__news + __plen, const_cast<_CharT*>(__olds + __mod),
2573 __verify_grouping(const char* __grouping, size_t __grouping_size,
2574 const string& __grouping_tmp)
2576 const size_t __n = __grouping_tmp.size() - 1;
2577 const size_t __min = std::min(__n, size_t(__grouping_size - 1));
2581 // Parsed number groupings have to match the
2582 // numpunct::grouping string exactly, starting at the
2583 // right-most point of the parsed sequence of elements ...
2584 for (size_t __j = 0; __j < __min && __test; --__i, ++__j)
2585 __test = __grouping_tmp[__i] == __grouping[__j];
2586 for (; __i && __test; --__i)
2587 __test = __grouping_tmp[__i] == __grouping[__min];
2588 // ... but the first parsed grouping can be <= numpunct
2589 // grouping (only do the check if the numpunct char is > 0
2590 // because <= 0 means any size is ok).
2591 if (static_cast<signed char>(__grouping[__min]) > 0)
2592 __test &= __grouping_tmp[0] <= __grouping[__min];
2596 template<typename _CharT>
2598 __add_grouping(_CharT* __s, _CharT __sep,
2599 const char* __gbeg, size_t __gsize,
2600 const _CharT* __first, const _CharT* __last)
2602 if (__last - __first > *__gbeg
2603 && static_cast<signed char>(*__gbeg) > 0)
2605 const bool __bump = __gsize != 1;
2606 __s = std::__add_grouping(__s, __sep, __gbeg + __bump,
2607 __gsize - __bump, __first,
2609 __first = __last - *__gbeg;
2613 *__s++ = *__first++;
2614 while (__first != __last);
2618 // Inhibit implicit instantiations for required instantiations,
2619 // which are defined via explicit instantiations elsewhere.
2620 // NB: This syntax is a GNU extension.
2621 #if _GLIBCXX_EXTERN_TEMPLATE
2622 extern template class moneypunct<char, false>;
2623 extern template class moneypunct<char, true>;
2624 extern template class moneypunct_byname<char, false>;
2625 extern template class moneypunct_byname<char, true>;
2626 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
2627 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
2628 extern template class numpunct<char>;
2629 extern template class numpunct_byname<char>;
2630 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<char>;
2631 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<char>;
2632 extern template class __timepunct<char>;
2633 extern template class time_put<char>;
2634 extern template class time_put_byname<char>;
2635 extern template class time_get<char>;
2636 extern template class time_get_byname<char>;
2637 extern template class messages<char>;
2638 extern template class messages_byname<char>;
2639 extern template class ctype_byname<char>;
2640 extern template class codecvt_byname<char, char, mbstate_t>;
2641 extern template class collate<char>;
2642 extern template class collate_byname<char>;
2645 const codecvt<char, char, mbstate_t>&
2646 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2649 const collate<char>&
2650 use_facet<collate<char> >(const locale&);
2653 const numpunct<char>&
2654 use_facet<numpunct<char> >(const locale&);
2657 const num_put<char>&
2658 use_facet<num_put<char> >(const locale&);
2661 const num_get<char>&
2662 use_facet<num_get<char> >(const locale&);
2665 const moneypunct<char, true>&
2666 use_facet<moneypunct<char, true> >(const locale&);
2669 const moneypunct<char, false>&
2670 use_facet<moneypunct<char, false> >(const locale&);
2673 const money_put<char>&
2674 use_facet<money_put<char> >(const locale&);
2677 const money_get<char>&
2678 use_facet<money_get<char> >(const locale&);
2681 const __timepunct<char>&
2682 use_facet<__timepunct<char> >(const locale&);
2685 const time_put<char>&
2686 use_facet<time_put<char> >(const locale&);
2689 const time_get<char>&
2690 use_facet<time_get<char> >(const locale&);
2693 const messages<char>&
2694 use_facet<messages<char> >(const locale&);
2698 has_facet<ctype<char> >(const locale&);
2702 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2706 has_facet<collate<char> >(const locale&);
2710 has_facet<numpunct<char> >(const locale&);
2714 has_facet<num_put<char> >(const locale&);
2718 has_facet<num_get<char> >(const locale&);
2722 has_facet<moneypunct<char> >(const locale&);
2726 has_facet<money_put<char> >(const locale&);
2730 has_facet<money_get<char> >(const locale&);
2734 has_facet<__timepunct<char> >(const locale&);
2738 has_facet<time_put<char> >(const locale&);
2742 has_facet<time_get<char> >(const locale&);
2746 has_facet<messages<char> >(const locale&);
2748 #ifdef _GLIBCXX_USE_WCHAR_T
2749 extern template class moneypunct<wchar_t, false>;
2750 extern template class moneypunct<wchar_t, true>;
2751 extern template class moneypunct_byname<wchar_t, false>;
2752 extern template class moneypunct_byname<wchar_t, true>;
2753 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
2754 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
2755 extern template class numpunct<wchar_t>;
2756 extern template class numpunct_byname<wchar_t>;
2757 extern template class _GLIBCXX_LDBL_NAMESPACE num_get<wchar_t>;
2758 extern template class _GLIBCXX_LDBL_NAMESPACE num_put<wchar_t>;
2759 extern template class __timepunct<wchar_t>;
2760 extern template class time_put<wchar_t>;
2761 extern template class time_put_byname<wchar_t>;
2762 extern template class time_get<wchar_t>;
2763 extern template class time_get_byname<wchar_t>;
2764 extern template class messages<wchar_t>;
2765 extern template class messages_byname<wchar_t>;
2766 extern template class ctype_byname<wchar_t>;
2767 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2768 extern template class collate<wchar_t>;
2769 extern template class collate_byname<wchar_t>;
2772 const codecvt<wchar_t, char, mbstate_t>&
2773 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2776 const collate<wchar_t>&
2777 use_facet<collate<wchar_t> >(const locale&);
2780 const numpunct<wchar_t>&
2781 use_facet<numpunct<wchar_t> >(const locale&);
2784 const num_put<wchar_t>&
2785 use_facet<num_put<wchar_t> >(const locale&);
2788 const num_get<wchar_t>&
2789 use_facet<num_get<wchar_t> >(const locale&);
2792 const moneypunct<wchar_t, true>&
2793 use_facet<moneypunct<wchar_t, true> >(const locale&);
2796 const moneypunct<wchar_t, false>&
2797 use_facet<moneypunct<wchar_t, false> >(const locale&);
2800 const money_put<wchar_t>&
2801 use_facet<money_put<wchar_t> >(const locale&);
2804 const money_get<wchar_t>&
2805 use_facet<money_get<wchar_t> >(const locale&);
2808 const __timepunct<wchar_t>&
2809 use_facet<__timepunct<wchar_t> >(const locale&);
2812 const time_put<wchar_t>&
2813 use_facet<time_put<wchar_t> >(const locale&);
2816 const time_get<wchar_t>&
2817 use_facet<time_get<wchar_t> >(const locale&);
2820 const messages<wchar_t>&
2821 use_facet<messages<wchar_t> >(const locale&);
2825 has_facet<ctype<wchar_t> >(const locale&);
2829 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2833 has_facet<collate<wchar_t> >(const locale&);
2837 has_facet<numpunct<wchar_t> >(const locale&);
2841 has_facet<num_put<wchar_t> >(const locale&);
2845 has_facet<num_get<wchar_t> >(const locale&);
2849 has_facet<moneypunct<wchar_t> >(const locale&);
2853 has_facet<money_put<wchar_t> >(const locale&);
2857 has_facet<money_get<wchar_t> >(const locale&);
2861 has_facet<__timepunct<wchar_t> >(const locale&);
2865 has_facet<time_put<wchar_t> >(const locale&);
2869 has_facet<time_get<wchar_t> >(const locale&);
2873 has_facet<messages<wchar_t> >(const locale&);
2877 _GLIBCXX_END_NAMESPACE