1 // Locale support -*- C++ -*-
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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 // Warning: this file is not meant for user inclusion. Use <locale>.
33 #ifndef _CPP_BITS_LOCFACETS_TCC
34 #define _CPP_BITS_LOCFACETS_TCC 1
36 #pragma GCC system_header
39 #include <clocale> // For localeconv
40 #include <cstdlib> // For strof, strtold
41 #include <cmath> // For ceil
42 #include <cctype> // For isspace
43 #include <limits> // For numeric_limits
44 #include <bits/streambuf_iterator.h>
45 #include <typeinfo> // For bad_cast.
49 template<typename _Facet>
51 locale::combine(const locale& __other) const
53 _Impl* __tmp = new _Impl(*_M_impl, 1);
54 __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
58 template<typename _CharT, typename _Traits, typename _Alloc>
60 locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
61 const basic_string<_CharT, _Traits, _Alloc>& __s2) const
63 typedef std::collate<_CharT> __collate_type;
64 const __collate_type& __collate = use_facet<__collate_type>(*this);
65 return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
66 __s2.data(), __s2.data() + __s2.length()) < 0);
69 template<typename _Facet>
71 use_facet(const locale& __loc)
73 size_t __i = _Facet::id._M_id();
74 locale::facet** __facets = __loc._M_impl->_M_facets;
75 if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
77 return static_cast<const _Facet&>(*__facets[__i]);
80 template<typename _Facet>
82 has_facet(const locale& __loc) throw()
84 size_t __i = _Facet::id._M_id();
85 locale::facet** __facets = __loc._M_impl->_M_facets;
86 return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
90 // Stage 1: Determine a conversion specifier.
91 template<typename _CharT, typename _InIter>
93 num_get<_CharT, _InIter>::
94 _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
95 ios_base::iostate& __err, string& __xtrc) const
97 typedef char_traits<_CharT> __traits_type;
98 const locale __loc = __io.getloc();
99 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
100 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
102 // First check for sign.
103 const char_type __plus = __ctype.widen('+');
104 const char_type __minus = __ctype.widen('-');
106 char_type __c = *__beg;
107 if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
110 __xtrc += __ctype.narrow(__c, char());
115 // Next, strip leading zeros.
116 const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
117 bool __found_zero = false;
118 while (__traits_type::eq(__c, __zero) && __beg != __end)
125 __xtrc += _S_atoms[_M_zero];
129 // Only need acceptable digits for floating point numbers.
130 const size_t __len = _M_E - _M_zero + 1;
131 char_type __watoms[__len];
132 __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
133 bool __found_dec = false;
134 bool __found_sci = false;
135 const char_type __dec = __np.decimal_point();
137 string __found_grouping;
138 const string __grouping = __np.grouping();
139 bool __check_grouping = __grouping.size();
141 const char_type __sep = __np.thousands_sep();
143 while (__beg != __end)
145 // Only look in digits.
146 const char_type* __p = __traits_type::find(__watoms, 10, __c);
148 // NB: strchr returns true for __c == 0x0
149 if (__p && !__traits_type::eq(__c, char_type()))
151 // Try first for acceptable digit; record it if found.
153 __xtrc += _S_atoms[__p - __watoms];
157 else if (__traits_type::eq(__c, __sep)
158 && __check_grouping && !__found_dec)
160 // NB: Thousands separator at the beginning of a string
161 // is a no-no, as is two consecutive thousands separators.
164 __found_grouping += static_cast<char>(__sep_pos);
170 __err |= ios_base::failbit;
174 else if (__traits_type::eq(__c, __dec) && !__found_dec)
176 // According to the standard, if no grouping chars are seen,
177 // no grouping check is applied. Therefore __found_grouping
178 // must be adjusted only if __dec comes after some __sep.
179 if (__found_grouping.size())
180 __found_grouping += static_cast<char>(__sep_pos);
186 else if ((__traits_type::eq(__c, __watoms[_M_e])
187 || __traits_type::eq(__c, __watoms[_M_E]))
188 && !__found_sci && __pos)
190 // Scientific notation.
192 __xtrc += __ctype.narrow(__c, char());
195 // Remove optional plus or minus sign, if they exist.
196 if (__traits_type::eq(__c, __plus)
197 || __traits_type::eq(__c, __minus))
200 __xtrc += __ctype.narrow(__c, char());
206 // Not a valid input item.
210 // Digit grouping is checked. If grouping and found_grouping don't
211 // match, then get very very upset, and set failbit.
212 if (__check_grouping && __found_grouping.size())
214 // Add the ending grouping if a decimal wasn't found.
216 __found_grouping += static_cast<char>(__sep_pos);
217 if (!__verify_grouping(__grouping, __found_grouping))
218 __err |= ios_base::failbit;
224 __err |= ios_base::eofbit;
228 // Stage 1: Determine a conversion specifier.
229 template<typename _CharT, typename _InIter>
231 num_get<_CharT, _InIter>::
232 _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
233 ios_base::iostate& __err, string& __xtrc, int& __base) const
235 typedef char_traits<_CharT> __traits_type;
236 const locale __loc = __io.getloc();
237 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
238 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
240 // NB: Iff __basefield == 0, this can change based on contents.
241 ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
242 if (__basefield == ios_base::oct)
244 else if (__basefield == ios_base::hex)
249 // First check for sign.
251 char_type __c = *__beg;
252 const char_type __plus = __ctype.widen('+');
253 const char_type __minus = __ctype.widen('-');
255 if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
258 __xtrc += __ctype.narrow(__c, char());
263 // Next, strip leading zeros and check required digits for base formats.
264 const char_type __zero = __ctype.widen(_S_atoms[_M_zero]);
265 const char_type __x = __ctype.widen('x');
266 const char_type __X = __ctype.widen('X');
269 bool __found_zero = false;
270 while (__traits_type::eq(__c, __zero) && __beg != __end)
277 __xtrc += _S_atoms[_M_zero];
279 if (__basefield == 0)
281 if ((__traits_type::eq(__c, __x)
282 || __traits_type::eq(__c, __X))
285 __xtrc += __ctype.narrow(__c, char());
295 else if (__base == 16)
297 if (__traits_type::eq(__c, __zero) && __beg != __end)
299 __xtrc += _S_atoms[_M_zero];
302 if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X))
305 __xtrc += __ctype.narrow(__c, char());
312 // At this point, base is determined. If not hex, only allow
313 // base digits as valid input.
321 char_type __watoms[_M_size];
322 __ctype.widen(_S_atoms, _S_atoms + __len, __watoms);
323 string __found_grouping;
324 const string __grouping = __np.grouping();
325 bool __check_grouping = __grouping.size();
327 const char_type __sep = __np.thousands_sep();
328 while (__beg != __end)
330 const char_type* __p = __traits_type::find(__watoms, __len, __c);
332 // NB: strchr returns true for __c == 0x0
333 if (__p && !__traits_type::eq(__c, char_type()))
335 // Try first for acceptable digit; record it if found.
336 __xtrc += _S_atoms[__p - __watoms];
341 else if (__traits_type::eq(__c, __sep) && __check_grouping)
343 // NB: Thousands separator at the beginning of a string
344 // is a no-no, as is two consecutive thousands separators.
347 __found_grouping += static_cast<char>(__sep_pos);
353 __err |= ios_base::failbit;
358 // Not a valid input item.
362 // Digit grouping is checked. If grouping and found_grouping don't
363 // match, then get very very upset, and set failbit.
364 if (__check_grouping && __found_grouping.size())
366 // Add the ending grouping.
367 __found_grouping += static_cast<char>(__sep_pos);
368 if (!__verify_grouping(__grouping, __found_grouping))
369 __err |= ios_base::failbit;
375 __err |= ios_base::eofbit;
379 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
380 //17. Bad bool parsing
381 template<typename _CharT, typename _InIter>
383 num_get<_CharT, _InIter>::
384 do_get(iter_type __beg, iter_type __end, ios_base& __io,
385 ios_base::iostate& __err, bool& __v) const
387 // Parse bool values as unsigned long
388 if (!(__io.flags() & ios_base::boolalpha))
390 // NB: We can't just call do_get(long) here, as it might
391 // refer to a derived class.
394 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
397 __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
398 if (!(__err & ios_base::failbit) && __ul <= 1)
401 __err |= ios_base::failbit;
404 // Parse bool values as alphanumeric
407 typedef char_traits<_CharT> __traits_type;
408 typedef basic_string<_CharT> __string_type;
410 locale __loc = __io.getloc();
411 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
412 const __string_type __true = __np.truename();
413 const __string_type __false = __np.falsename();
414 const char_type* __trues = __true.c_str();
415 const char_type* __falses = __false.c_str();
416 const size_t __truen = __true.size() - 1;
417 const size_t __falsen = __false.size() - 1;
419 for (size_t __n = 0; __beg != __end; ++__n)
421 char_type __c = *__beg++;
422 bool __testf = __n <= __falsen
423 ? __traits_type::eq(__c, __falses[__n]) : false;
424 bool __testt = __n <= __truen
425 ? __traits_type::eq(__c, __trues[__n]) : false;
426 if (!(__testf || __testt))
428 __err |= ios_base::failbit;
431 else if (__testf && __n == __falsen)
436 else if (__testt && __n == __truen)
443 __err |= ios_base::eofbit;
449 template<typename _CharT, typename _InIter>
451 num_get<_CharT, _InIter>::
452 do_get(iter_type __beg, iter_type __end, ios_base& __io,
453 ios_base::iostate& __err, long& __v) const
457 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
458 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
462 template<typename _CharT, typename _InIter>
464 num_get<_CharT, _InIter>::
465 do_get(iter_type __beg, iter_type __end, ios_base& __io,
466 ios_base::iostate& __err, unsigned short& __v) const
470 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
472 __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
473 if (!(__err & ios_base::failbit)
474 && __ul <= numeric_limits<unsigned short>::max())
475 __v = static_cast<unsigned short>(__ul);
477 __err |= ios_base::failbit;
481 template<typename _CharT, typename _InIter>
483 num_get<_CharT, _InIter>::
484 do_get(iter_type __beg, iter_type __end, ios_base& __io,
485 ios_base::iostate& __err, unsigned int& __v) const
489 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
491 __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
492 if (!(__err & ios_base::failbit)
493 && __ul <= numeric_limits<unsigned int>::max())
494 __v = static_cast<unsigned int>(__ul);
496 __err |= ios_base::failbit;
500 template<typename _CharT, typename _InIter>
502 num_get<_CharT, _InIter>::
503 do_get(iter_type __beg, iter_type __end, ios_base& __io,
504 ios_base::iostate& __err, unsigned long& __v) const
508 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
509 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
513 #ifdef _GLIBCPP_USE_LONG_LONG
514 template<typename _CharT, typename _InIter>
516 num_get<_CharT, _InIter>::
517 do_get(iter_type __beg, iter_type __end, ios_base& __io,
518 ios_base::iostate& __err, long long& __v) const
522 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
523 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
527 template<typename _CharT, typename _InIter>
529 num_get<_CharT, _InIter>::
530 do_get(iter_type __beg, iter_type __end, ios_base& __io,
531 ios_base::iostate& __err, unsigned long long& __v) const
535 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
536 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
541 template<typename _CharT, typename _InIter>
543 num_get<_CharT, _InIter>::
544 do_get(iter_type __beg, iter_type __end, ios_base& __io,
545 ios_base::iostate& __err, float& __v) const
549 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
550 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
554 template<typename _CharT, typename _InIter>
556 num_get<_CharT, _InIter>::
557 do_get(iter_type __beg, iter_type __end, ios_base& __io,
558 ios_base::iostate& __err, double& __v) const
562 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
563 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
567 template<typename _CharT, typename _InIter>
569 num_get<_CharT, _InIter>::
570 do_get(iter_type __beg, iter_type __end, ios_base& __io,
571 ios_base::iostate& __err, long double& __v) const
575 __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
576 __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
580 template<typename _CharT, typename _InIter>
582 num_get<_CharT, _InIter>::
583 do_get(iter_type __beg, iter_type __end, ios_base& __io,
584 ios_base::iostate& __err, void*& __v) const
586 // Prepare for hex formatted input
587 typedef ios_base::fmtflags fmtflags;
588 fmtflags __fmt = __io.flags();
589 fmtflags __fmtmask = ~(ios_base::showpos | ios_base::basefield
590 | ios_base::uppercase | ios_base::internal);
591 __io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase));
595 __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
597 // Reset from hex formatted input
601 __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
602 if (!(__err & ios_base::failbit))
603 __v = reinterpret_cast<void*>(__ul);
605 __err |= ios_base::failbit;
609 // The following code uses snprintf (or sprintf(), when _GLIBCPP_USE_C99
610 // is not defined) to convert floating point values for insertion into a
611 // stream. An optimization would be to replace them with code that works
612 // directly on a wide buffer and then use __pad to do the padding.
613 // It would be good to replace them anyway to gain back the efficiency
614 // that C++ provides by knowing up front the type of the values to insert.
615 // Also, sprintf is dangerous since may lead to accidental buffer overruns.
616 // This implementation follows the C++ standard fairly directly as
617 // outlined in 22.2.2.2 [lib.locale.num.put]
618 template<typename _CharT, typename _OutIter>
619 template<typename _ValueT>
621 num_put<_CharT, _OutIter>::
622 _M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
625 // Note: digits10 is rounded down. We need to add 1 to ensure
626 // we get the full available precision.
627 const int __max_digits = numeric_limits<_ValueT>::digits10 + 1;
628 streamsize __prec = __io.precision();
630 if (__prec > static_cast<streamsize>(__max_digits))
631 __prec = static_cast<streamsize>(__max_digits);
633 // Long enough for the max format spec.
636 // [22.2.2.2.2] Stage 1, numeric conversion to character.
638 #ifdef _GLIBCPP_USE_C99
639 // First try a buffer perhaps big enough (for sure sufficient for
640 // non-ios_base::fixed outputs)
641 int __cs_size = __max_digits * 3;
642 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
644 const bool __fp = _S_format_float(__io, __fbuf, __mod, __prec);
646 __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
647 _S_c_locale, __prec);
649 __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, _S_c_locale);
651 // If the buffer was not large enough, try again with the correct size.
652 if (__len >= __cs_size)
654 __cs_size = __len + 1;
655 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
657 __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
658 _S_c_locale, __prec);
660 __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
664 // Consider the possibility of long ios_base::fixed outputs
665 const bool __fixed = __io.flags() & ios_base::fixed;
666 const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
667 // ios_base::fixed outputs may need up to __max_exp+1 chars
668 // for the integer part + up to __max_digits chars for the
669 // fractional part + 3 chars for sign, decimal point, '\0'. On
670 // the other hand, for non-fixed outputs __max_digits*3 chars
671 // are largely sufficient.
672 const int __cs_size = __fixed ? __max_exp + __max_digits + 4
674 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
676 if (_S_format_float(__io, __fbuf, __mod, __prec))
677 __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
679 __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
681 return _M_widen_float(__s, __io, __fill, __cs, __len);
684 template<typename _CharT, typename _OutIter>
685 template<typename _ValueT>
687 num_put<_CharT, _OutIter>::
688 _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
689 char __modl, _ValueT __v) const
691 // [22.2.2.2.2] Stage 1, numeric conversion to character.
693 // Long enough for the max format spec.
695 _S_format_int(__io, __fbuf, __mod, __modl);
696 #ifdef _GLIBCPP_USE_C99
697 // First try a buffer perhaps big enough.
699 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
700 int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
702 // If the buffer was not large enough, try again with the correct size.
703 if (__len >= __cs_size)
705 __cs_size = __len + 1;
706 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
707 __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
711 // Leave room for "+/-," "0x," and commas. This size is
712 // arbitrary, but should be largely sufficient.
714 int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
716 return _M_widen_int(__s, __io, __fill, __cs, __len);
719 template<typename _CharT, typename _OutIter>
721 num_put<_CharT, _OutIter>::
722 _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
725 typedef char_traits<_CharT> __traits_type;
726 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
727 // numpunct.decimal_point() values for '.' and adding grouping.
728 const locale __loc = __io.getloc();
729 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
730 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
732 // Grouping can add (almost) as many separators as the number of
733 // digits, but no more.
734 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
736 __ctype.widen(__cs, __cs + __len, __ws);
738 // Replace decimal point.
740 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
741 if (__p = __traits_type::find(__ws, __len, __ctype.widen('.')))
742 __ws[__p - __ws] = __np.decimal_point();
744 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
745 //282. What types does numpunct grouping refer to?
746 // Add grouping, if necessary.
747 const string __grouping = __np.grouping();
748 ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
749 if (__grouping.size())
752 int __declen = __p ? __p - __ws : __len;
753 __p2 = __add_grouping(__ws2, __np.thousands_sep(),
755 __grouping.c_str() + __grouping.size(),
756 __ws, __ws + __declen);
757 int __newlen = __p2 - __ws2;
759 // Tack on decimal part.
762 __traits_type::copy(__p2, __p, __len - __declen);
763 __newlen += __len - __declen;
766 // Switch strings, establish correct new length.
771 return _M_insert(__s, __io, __fill, __ws, __len);
774 template<typename _CharT, typename _OutIter>
776 num_put<_CharT, _OutIter>::
777 _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs,
780 // [22.2.2.2.2] Stage 2, convert to char_type, using correct
781 // numpunct.decimal_point() values for '.' and adding grouping.
782 const locale __loc = __io.getloc();
783 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
784 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
786 // Grouping can add (almost) as many separators as the number of
787 // digits, but no more.
788 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
790 __ctype.widen(__cs, __cs + __len, __ws);
792 // Add grouping, if necessary.
793 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
794 const string __grouping = __np.grouping();
795 const ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
796 if (__grouping.size())
798 // By itself __add_grouping cannot deal correctly with __ws when
799 // ios::showbase is set and ios_base::oct || ios_base::hex.
800 // Therefore we take care "by hand" of the initial 0, 0x or 0X.
801 // However, remember that the latter do not occur if the number
802 // printed is '0' (__len == 1).
803 streamsize __off = 0;
804 if ((__io.flags() & ios_base::showbase) && __len > 1)
805 if (__basefield == ios_base::oct)
810 else if (__basefield == ios_base::hex)
814 *(__ws2 + 1) = *(__ws + 1);
817 __p = __add_grouping(__ws2 + __off, __np.thousands_sep(),
819 __grouping.c_str() + __grouping.size(),
820 __ws + __off, __ws + __len);
825 return _M_insert(__s, __io, __fill, __ws, __len);
828 // For use by integer and floating-point types after they have been
829 // converted into a char_type string.
830 template<typename _CharT, typename _OutIter>
832 num_put<_CharT, _OutIter>::
833 _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws,
836 typedef char_traits<_CharT> __traits_type;
837 // [22.2.2.2.2] Stage 3.
838 streamsize __w = __io.width();
839 _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
841 if (__w > static_cast<streamsize>(__len))
843 __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws,
845 __len = static_cast<int>(__w);
851 // [22.2.2.2.2] Stage 4.
852 // Write resulting, fully-formatted string to output iterator.
853 for (int __j = 0; __j < __len; ++__j, ++__s)
858 template<typename _CharT, typename _OutIter>
860 num_put<_CharT, _OutIter>::
861 do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
863 ios_base::fmtflags __flags = __io.flags();
864 if ((__flags & ios_base::boolalpha) == 0)
866 unsigned long __uv = __v;
867 __s = _M_convert_int(__s, __io, __fill, 'u', char(), __uv);
871 typedef basic_string<_CharT> __string_type;
872 locale __loc = __io.getloc();
873 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
874 __string_type __name;
876 __name = __np.truename();
878 __name = __np.falsename();
879 __s = _M_insert(__s, __io, __fill, __name.c_str(), __name.size());
884 template<typename _CharT, typename _OutIter>
886 num_put<_CharT, _OutIter>::
887 do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
888 { return _M_convert_int(__s, __io, __fill, 'd', char(), __v); }
890 template<typename _CharT, typename _OutIter>
892 num_put<_CharT, _OutIter>::
893 do_put(iter_type __s, ios_base& __io, char_type __fill,
894 unsigned long __v) const
895 { return _M_convert_int(__s, __io, __fill, 'u', char(), __v); }
897 #ifdef _GLIBCPP_USE_LONG_LONG
898 template<typename _CharT, typename _OutIter>
900 num_put<_CharT, _OutIter>::
901 do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
902 { return _M_convert_int(__s, __b, __fill, 'd', 'l', __v); }
904 template<typename _CharT, typename _OutIter>
906 num_put<_CharT, _OutIter>::
907 do_put(iter_type __s, ios_base& __io, char_type __fill,
908 unsigned long long __v) const
909 { return _M_convert_int(__s, __io, __fill, 'u', 'l', __v); }
912 template<typename _CharT, typename _OutIter>
914 num_put<_CharT, _OutIter>::
915 do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
916 { return _M_convert_float(__s, __io, __fill, char(), __v); }
918 template<typename _CharT, typename _OutIter>
920 num_put<_CharT, _OutIter>::
921 do_put(iter_type __s, ios_base& __io, char_type __fill,
922 long double __v) const
923 { return _M_convert_float(__s, __io, __fill, 'L', __v); }
925 template<typename _CharT, typename _OutIter>
927 num_put<_CharT, _OutIter>::
928 do_put(iter_type __s, ios_base& __io, char_type __fill,
929 const void* __v) const
931 ios_base::fmtflags __flags = __io.flags();
932 ios_base::fmtflags __fmt = ~(ios_base::showpos | ios_base::basefield
933 | ios_base::uppercase | ios_base::internal);
934 __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
937 __s = _M_convert_int(__s, __io, __fill, 'u', char(),
938 reinterpret_cast<unsigned long>(__v));
944 __throw_exception_again;
950 template<typename _CharT, typename _InIter>
952 money_get<_CharT, _InIter>::
953 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
954 ios_base::iostate& __err, long double& __units) const
957 __beg = this->do_get(__beg, __end, __intl, __io, __err, __str);
959 const int __n = numeric_limits<long double>::digits10;
960 char* __cs = static_cast<char*>(__builtin_alloca(__n));
961 const locale __loc = __io.getloc();
962 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
963 const _CharT* __wcs = __str.c_str();
964 __ctype.narrow(__wcs, __wcs + __str.size() + 1, char(), __cs);
965 __convert_to_v(__cs, __units, __err, _S_c_locale);
969 template<typename _CharT, typename _InIter>
971 money_get<_CharT, _InIter>::
972 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
973 ios_base::iostate& __err, string_type& __units) const
975 // These contortions are quite unfortunate.
976 typedef moneypunct<_CharT, true> __money_true;
977 typedef moneypunct<_CharT, false> __money_false;
978 typedef money_base::part part;
979 typedef typename string_type::size_type size_type;
981 const locale __loc = __io.getloc();
982 const __money_true& __mpt = use_facet<__money_true>(__loc);
983 const __money_false& __mpf = use_facet<__money_false>(__loc);
984 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
986 const money_base::pattern __p = __intl ? __mpt.neg_format()
987 : __mpf.neg_format();
989 const string_type __pos_sign =__intl ? __mpt.positive_sign()
990 : __mpf.positive_sign();
991 const string_type __neg_sign =__intl ? __mpt.negative_sign()
992 : __mpf.negative_sign();
993 const char_type __d = __intl ? __mpt.decimal_point()
994 : __mpf.decimal_point();
995 const char_type __sep = __intl ? __mpt.thousands_sep()
996 : __mpf.thousands_sep();
998 const string __grouping = __intl ? __mpt.grouping() : __mpf.grouping();
1000 // Set to deduced positive or negative sign, depending.
1002 // String of grouping info from thousands_sep plucked from __units.
1003 string __grouping_tmp;
1004 // Marker for thousands_sep position.
1006 // If input iterator is in a valid state.
1007 bool __testvalid = true;
1008 // Flag marking when a decimal point is found.
1009 bool __testdecfound = false;
1011 // The tentative returned string is stored here.
1012 string_type __temp_units;
1014 char_type __c = *__beg;
1015 char_type __eof = static_cast<char_type>(char_traits<char_type>::eof());
1016 for (int __i = 0; __beg != __end && __i < 4 && __testvalid; ++__i)
1018 part __which = static_cast<part>(__p.field[__i]);
1021 case money_base::symbol:
1022 if (__io.flags() & ios_base::showbase
1023 || __i < 2 || __sign.size() > 1
1024 || ((static_cast<part>(__p.field[3]) != money_base::none)
1027 // According to 22.2.6.1.2.2, symbol is required
1028 // if (__io.flags() & ios_base::showbase),
1029 // otherwise is optional and consumed only if
1030 // other characters are needed to complete the
1032 const string_type __symbol = __intl ? __mpt.curr_symbol()
1033 : __mpf.curr_symbol();
1034 size_type __len = __symbol.size();
1036 while (__beg != __end
1037 && __j < __len && __symbol[__j] == __c)
1042 // When (__io.flags() & ios_base::showbase)
1043 // symbol is required.
1044 if (__j != __len && (__io.flags() & ios_base::showbase))
1045 __testvalid = false;
1048 case money_base::sign:
1049 // Sign might not exist, or be more than one character long.
1050 if (__pos_sign.size() && __neg_sign.size())
1052 // Sign is mandatory.
1053 if (__c == __pos_sign[0])
1055 __sign = __pos_sign;
1058 else if (__c == __neg_sign[0])
1060 __sign = __neg_sign;
1064 __testvalid = false;
1066 else if (__pos_sign.size() && __c == __pos_sign[0])
1068 __sign = __pos_sign;
1071 else if (__neg_sign.size() && __c == __neg_sign[0])
1073 __sign = __neg_sign;
1077 case money_base::value:
1078 // Extract digits, remove and stash away the
1079 // grouping of found thousands separators.
1080 while (__beg != __end
1081 && (__ctype.is(ctype_base::digit, __c)
1082 || (__c == __d && !__testdecfound)
1087 __grouping_tmp += static_cast<char>(__sep_pos);
1089 __testdecfound = true;
1091 else if (__c == __sep)
1093 if (__grouping.size())
1095 // Mark position for later analysis.
1096 __grouping_tmp += static_cast<char>(__sep_pos);
1101 __testvalid = false;
1107 __temp_units += __c;
1113 case money_base::space:
1114 case money_base::none:
1115 // Only if not at the end of the pattern.
1117 while (__beg != __end
1118 && __ctype.is(ctype_base::space, __c))
1124 // Need to get the rest of the sign characters, if they exist.
1125 if (__sign.size() > 1)
1127 size_type __len = __sign.size();
1129 for (; __c != __eof && __i < __len; ++__i)
1130 while (__beg != __end && __c != __sign[__i])
1134 __testvalid = false;
1137 // Strip leading zeros.
1138 while (__temp_units[0] == __ctype.widen('0'))
1139 __temp_units.erase(__temp_units.begin());
1141 if (__sign.size() && __sign == __neg_sign)
1142 __temp_units.insert(__temp_units.begin(), __ctype.widen('-'));
1144 // Test for grouping fidelity.
1145 if (__grouping.size() && __grouping_tmp.size())
1147 if (!__verify_grouping(__grouping, __grouping_tmp))
1148 __testvalid = false;
1151 // Iff no more characters are available.
1153 __err |= ios_base::eofbit;
1155 // Iff valid sequence is not recognized.
1156 if (!__testvalid || !__temp_units.size())
1157 __err |= ios_base::failbit;
1159 // Use the "swap trick" to copy __temp_units into __units.
1160 __temp_units.swap(__units);
1165 template<typename _CharT, typename _OutIter>
1167 money_put<_CharT, _OutIter>::
1168 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1169 long double __units) const
1171 const locale __loc = __io.getloc();
1172 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1173 #ifdef _GLIBCPP_USE_C99
1174 // First try a buffer perhaps big enough.
1176 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1177 int __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
1179 // If the buffer was not large enough, try again with the correct size.
1180 if (__len >= __cs_size)
1182 __cs_size = __len + 1;
1183 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1184 __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units,
1188 // max_exponent10 + 1 for the integer part, + 4 for sign, decimal point,
1189 // decimal digit, '\0'.
1190 const int __cs_size = numeric_limits<long double>::max_exponent10 + 5;
1191 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
1192 int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale);
1194 _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __cs_size));
1195 __ctype.widen(__cs, __cs + __len, __ws);
1196 string_type __digits(__ws);
1197 return this->do_put(__s, __intl, __io, __fill, __digits);
1200 template<typename _CharT, typename _OutIter>
1202 money_put<_CharT, _OutIter>::
1203 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1204 const string_type& __digits) const
1206 typedef typename string_type::size_type size_type;
1207 typedef money_base::part part;
1209 const locale __loc = __io.getloc();
1210 const size_type __width = static_cast<size_type>(__io.width());
1212 // These contortions are quite unfortunate.
1213 typedef moneypunct<_CharT, true> __money_true;
1214 typedef moneypunct<_CharT, false> __money_false;
1215 const __money_true& __mpt = use_facet<__money_true>(__loc);
1216 const __money_false& __mpf = use_facet<__money_false>(__loc);
1217 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1219 // Determine if negative or positive formats are to be used, and
1220 // discard leading negative_sign if it is present.
1221 const char_type* __beg = __digits.data();
1222 const char_type* __end = __beg + __digits.size();
1223 money_base::pattern __p;
1225 if (*__beg != __ctype.widen('-'))
1227 __p = __intl ? __mpt.pos_format() : __mpf.pos_format();
1228 __sign =__intl ? __mpt.positive_sign() : __mpf.positive_sign();
1232 __p = __intl ? __mpt.neg_format() : __mpf.neg_format();
1233 __sign =__intl ? __mpt.negative_sign() : __mpf.negative_sign();
1237 // Look for valid numbers in the current ctype facet within input digits.
1238 __end = __ctype.scan_not(ctype_base::digit, __beg, __end);
1241 // Assume valid input, and attempt to format.
1242 // Break down input numbers into base components, as follows:
1243 // final_value = grouped units + (decimal point) + (digits)
1245 string_type __value;
1246 const string_type __symbol = __intl ? __mpt.curr_symbol()
1247 : __mpf.curr_symbol();
1249 // Deal with decimal point, decimal digits.
1250 const int __frac = __intl ? __mpt.frac_digits()
1251 : __mpf.frac_digits();
1254 const char_type __d = __intl ? __mpt.decimal_point()
1255 : __mpf.decimal_point();
1256 if (__end - __beg >= __frac)
1258 __value = string_type(__end - __frac, __end);
1259 __value.insert(__value.begin(), __d);
1264 // Have to pad zeros in the decimal position.
1265 __value = string_type(__beg, __end);
1266 int __paddec = __frac - (__end - __beg);
1267 char_type __zero = __ctype.widen('0');
1268 __value.insert(__value.begin(), __paddec, __zero);
1269 __value.insert(__value.begin(), __d);
1274 // Add thousands separators to non-decimal digits, per
1278 const string __grouping = __intl ? __mpt.grouping()
1280 if (__grouping.size())
1282 const char_type __sep = __intl ? __mpt.thousands_sep()
1283 : __mpf.thousands_sep();
1284 const char* __gbeg = __grouping.c_str();
1285 const char* __gend = __gbeg + __grouping.size();
1286 const int __n = (__end - __beg) * 2;
1288 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
1289 _CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg,
1290 __gend, __beg, __end);
1291 __value.insert(0, __ws2, __ws_end - __ws2);
1294 __value.insert(0, string_type(__beg, __end));
1297 // Calculate length of resulting string.
1298 ios_base::fmtflags __f = __io.flags() & ios_base::adjustfield;
1299 size_type __len = __value.size() + __sign.size();
1300 __len += (__io.flags() & ios_base::showbase) ? __symbol.size() : 0;
1301 bool __testipad = __f == ios_base::internal && __len < __width;
1303 // Fit formatted digits into the required pattern.
1304 for (int __i = 0; __i < 4; ++__i)
1306 part __which = static_cast<part>(__p.field[__i]);
1309 case money_base::symbol:
1310 if (__io.flags() & ios_base::showbase)
1313 case money_base::sign:
1314 // Sign might not exist, or be more than one
1315 // charater long. In that case, add in the rest
1320 case money_base::value:
1323 case money_base::space:
1324 // At least one space is required, but if internal
1325 // formatting is required, an arbitrary number of
1326 // fill spaces will be necessary.
1328 __res += string_type(__width - __len, __fill);
1330 __res += __ctype.widen(__fill);
1332 case money_base::none:
1334 __res += string_type(__width - __len, __fill);
1339 // Special case of multi-part sign parts.
1340 if (__sign.size() > 1)
1341 __res += string_type(__sign.begin() + 1, __sign.end());
1343 // Pad, if still necessary.
1344 __len = __res.size();
1345 if (__width > __len)
1347 if (__f == ios_base::left)
1349 __res.append(__width - __len, __fill);
1352 __res.insert(0, string_type(__width - __len, __fill));
1356 // Write resulting, fully-formatted string to output iterator.
1357 for (size_type __j = 0; __j < __len; ++__j, ++__s)
1365 // NB: Not especially useful. Without an ios_base object or some
1366 // kind of locale reference, we are left clawing at the air where
1367 // the side of the mountain used to be...
1368 template<typename _CharT, typename _InIter>
1369 time_base::dateorder
1370 time_get<_CharT, _InIter>::do_date_order() const
1371 { return time_base::no_order; }
1373 template<typename _CharT, typename _InIter>
1375 time_get<_CharT, _InIter>::
1376 _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
1377 ios_base::iostate& __err, tm* __tm,
1378 const _CharT* __format) const
1380 locale __loc = __io.getloc();
1381 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1382 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1383 size_t __len = char_traits<_CharT>::length(__format);
1385 for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
1387 char __c = __format[__i];
1390 // Verify valid formatting code, attempt to extract.
1391 __c = __format[++__i];
1394 if (__c == 'E' || __c == 'O')
1397 __c = __format[++__i];
1404 // Abbreviated weekday name [tm_wday]
1405 const char_type* __days1[7];
1406 __tp._M_days_abbreviated(__days1);
1407 _M_extract_name(__beg, __end, __tm->tm_wday, __days1, 7,
1411 // Weekday name [tm_wday].
1412 const char_type* __days2[7];
1413 __tp._M_days(__days2);
1414 _M_extract_name(__beg, __end, __tm->tm_wday, __days2, 7,
1419 // Abbreviated month name [tm_mon]
1420 const char_type* __months1[12];
1421 __tp._M_months_abbreviated(__months1);
1422 _M_extract_name(__beg, __end, __tm->tm_mon, __months1, 12,
1426 // Month name [tm_mon].
1427 const char_type* __months2[12];
1428 __tp._M_months(__months2);
1429 _M_extract_name(__beg, __end, __tm->tm_mon, __months2, 12,
1433 // Default time and date representation.
1434 const char_type* __dt[2];
1435 __tp._M_date_time_formats(__dt);
1436 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1440 // Day [01, 31]. [tm_mday]
1441 _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
1445 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
1447 __ctype.widen(__cs, __cs + 9, __wcs);
1448 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1452 // Hour [00, 23]. [tm_hour]
1453 _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
1457 // Hour [01, 12]. [tm_hour]
1458 _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
1462 // Month [01, 12]. [tm_mon]
1463 _M_extract_num(__beg, __end, __mem, 1, 12, 2, __ctype,
1466 __tm->tm_mon = __mem - 1;
1469 // Minute [00, 59]. [tm_min]
1470 _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
1474 if (__ctype.narrow(*__beg, 0) == '\n')
1477 __err |= ios_base::failbit;
1480 // Equivalent to (%H:%M).
1482 __ctype.widen(__cs, __cs + 6, __wcs);
1483 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1488 _M_extract_num(__beg, __end, __tm->tm_sec, 0, 59, 2,
1492 if (__ctype.narrow(*__beg, 0) == '\t')
1495 __err |= ios_base::failbit;
1498 // Equivalent to (%H:%M:%S).
1500 __ctype.widen(__cs, __cs + 9, __wcs);
1501 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1506 const char_type* __dates[2];
1507 __tp._M_date_formats(__dates);
1508 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1513 const char_type* __times[2];
1514 __tp._M_time_formats(__times);
1515 _M_extract_via_format(__beg, __end, __io, __err, __tm,
1519 // Two digit year. [tm_year]
1520 _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
1524 // Year [1900). [tm_year]
1525 _M_extract_num(__beg, __end, __mem, 0,
1526 numeric_limits<int>::max(), 4,
1529 __tm->tm_year = __mem - 1900;
1533 if (__ctype.is(ctype_base::upper, *__beg))
1536 _M_extract_name(__beg, __end, __tmp,
1537 __timepunct<_CharT>::_S_timezones,
1540 // GMT requires special effort.
1541 char_type __c = *__beg;
1542 if (!__err && __tmp == 0
1543 && (__c == __ctype.widen('-')
1544 || __c == __ctype.widen('+')))
1546 _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
1548 _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
1553 __err |= ios_base::failbit;
1557 __err |= ios_base::failbit;
1562 // Verify format and input match, extract and discard.
1563 if (__c == __ctype.narrow(*__beg, 0))
1566 __err |= ios_base::failbit;
1571 template<typename _CharT, typename _InIter>
1573 time_get<_CharT, _InIter>::
1574 _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
1575 int __min, int __max, size_t __len,
1576 const ctype<_CharT>& __ctype,
1577 ios_base::iostate& __err) const
1581 bool __testvalid = true;
1582 char_type __c = *__beg;
1583 while (__beg != __end && __i < __len
1584 && __ctype.is(ctype_base::digit, __c))
1586 __digits += __ctype.narrow(__c, 0);
1592 int __value = atoi(__digits.c_str());
1593 if (__min <= __value && __value <= __max)
1596 __testvalid = false;
1599 __testvalid = false;
1601 __err |= ios_base::failbit;
1605 // All elements in __names are unique.
1606 template<typename _CharT, typename _InIter>
1608 time_get<_CharT, _InIter>::
1609 _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
1610 const _CharT** __names, size_t __indexlen,
1611 ios_base::iostate& __err) const
1613 typedef char_traits<_CharT> __traits_type;
1614 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) * __indexlen));
1615 size_t __nmatches = 0;
1617 bool __testvalid = true;
1618 const char_type* __name;
1620 char_type __c = *__beg;
1621 // Look for initial matches.
1622 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
1623 if (__c == __names[__i1][0])
1624 __matches[__nmatches++] = __i1;
1626 while(__nmatches > 1)
1628 // Find smallest matching string.
1629 size_t __minlen = 10;
1630 for (size_t __i2 = 0; __i2 < __nmatches; ++__i2)
1631 __minlen = std::min(__minlen,
1632 __traits_type::length(__names[__matches[__i2]]));
1634 if (__pos < __minlen && __beg != __end)
1638 for (size_t __i3 = 0; __i3 < __nmatches; ++__i3)
1640 __name = __names[__matches[__i3]];
1641 if (__name[__pos] != __c)
1642 __matches[__i3] = __matches[--__nmatches];
1649 if (__nmatches == 1)
1651 // Make sure found name is completely extracted.
1652 __name = __names[__matches[0]];
1653 const size_t __len = __traits_type::length(__name);
1654 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
1658 __member = __matches[0];
1660 __testvalid = false;
1663 __testvalid = false;
1665 __err |= ios_base::failbit;
1668 template<typename _CharT, typename _InIter>
1670 time_get<_CharT, _InIter>::
1671 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
1672 ios_base::iostate& __err, tm* __tm) const
1675 const char* __cs = "%X";
1676 locale __loc = __io.getloc();
1677 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1678 __ctype.widen(__cs, __cs + 3, __wcs);
1679 _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
1681 __err |= ios_base::eofbit;
1685 template<typename _CharT, typename _InIter>
1687 time_get<_CharT, _InIter>::
1688 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
1689 ios_base::iostate& __err, tm* __tm) const
1692 const char* __cs = "%x";
1693 locale __loc = __io.getloc();
1694 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1695 __ctype.widen(__cs, __cs + 3, __wcs);
1696 _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
1698 __err |= ios_base::eofbit;
1702 template<typename _CharT, typename _InIter>
1704 time_get<_CharT, _InIter>::
1705 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
1706 ios_base::iostate& __err, tm* __tm) const
1708 typedef char_traits<_CharT> __traits_type;
1709 locale __loc = __io.getloc();
1710 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1711 const char_type* __days[7];
1712 __tp._M_days_abbreviated(__days);
1714 _M_extract_name(__beg, __end, __tmpwday, __days, 7, __err);
1716 // Check to see if non-abbreviated name exists, and extract.
1717 // NB: Assumes both _M_days and _M_days_abbreviated organized in
1718 // exact same order, first to last, such that the resulting
1719 // __days array with the same index points to a day, and that
1720 // day's abbreviated form.
1721 // NB: Also assumes that an abbreviated name is a subset of the name.
1724 size_t __pos = __traits_type::length(__days[__tmpwday]);
1725 __tp._M_days(__days);
1726 const char_type* __name = __days[__tmpwday];
1727 if (__name[__pos] == *__beg)
1729 // Extract the rest of it.
1730 const size_t __len = __traits_type::length(__name);
1731 while (__pos < __len && __beg != __end
1732 && __name[__pos] == *__beg)
1735 __err |= ios_base::failbit;
1738 __tm->tm_wday = __tmpwday;
1741 __err |= ios_base::eofbit;
1745 template<typename _CharT, typename _InIter>
1747 time_get<_CharT, _InIter>::
1748 do_get_monthname(iter_type __beg, iter_type __end,
1749 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
1751 typedef char_traits<_CharT> __traits_type;
1752 locale __loc = __io.getloc();
1753 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1754 const char_type* __months[12];
1755 __tp._M_months_abbreviated(__months);
1757 _M_extract_name(__beg, __end, __tmpmon, __months, 12, __err);
1759 // Check to see if non-abbreviated name exists, and extract.
1760 // NB: Assumes both _M_months and _M_months_abbreviated organized in
1761 // exact same order, first to last, such that the resulting
1762 // __months array with the same index points to a month, and that
1763 // month's abbreviated form.
1764 // NB: Also assumes that an abbreviated name is a subset of the name.
1767 size_t __pos = __traits_type::length(__months[__tmpmon]);
1768 __tp._M_months(__months);
1769 const char_type* __name = __months[__tmpmon];
1770 if (__name[__pos] == *__beg)
1772 // Extract the rest of it.
1773 const size_t __len = __traits_type::length(__name);
1774 while (__pos < __len && __beg != __end
1775 && __name[__pos] == *__beg)
1778 __err |= ios_base::failbit;
1781 __tm->tm_mon = __tmpmon;
1785 __err |= ios_base::eofbit;
1789 template<typename _CharT, typename _InIter>
1791 time_get<_CharT, _InIter>::
1792 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
1793 ios_base::iostate& __err, tm* __tm) const
1795 locale __loc = __io.getloc();
1796 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1798 char_type __c = *__beg;
1801 while (__i < 4 && __beg != __end && __ctype.is(ctype_base::digit, __c))
1803 __digits += __ctype.narrow(__c, 0);
1807 if (__i == 2 || __i == 4)
1810 __convert_to_v(__digits.c_str(), __l, __err, _S_c_locale);
1811 if (!(__err & ios_base::failbit) && __l <= INT_MAX)
1813 __l = __i == 2 ? __l : __l - 1900;
1814 __tm->tm_year = static_cast<int>(__l);
1818 __err |= ios_base::failbit;
1820 __err |= ios_base::eofbit;
1824 template<typename _CharT, typename _OutIter>
1826 time_put<_CharT, _OutIter>::
1827 put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
1828 const _CharT* __beg, const _CharT* __end) const
1830 locale __loc = __io.getloc();
1831 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1832 while (__beg != __end)
1834 char __c = __ctype.narrow(*__beg, 0);
1841 __c = __ctype.narrow(*__beg, 0);
1843 if (__c == 'E' || __c == 'O')
1846 __format = __ctype.narrow(*__beg, 0);
1851 __s = this->do_put(__s, __io, char_type(), __tm, __format,
1863 template<typename _CharT, typename _OutIter>
1865 time_put<_CharT, _OutIter>::
1866 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
1867 char __format, char __mod) const
1869 locale __loc = __io.getloc();
1870 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1871 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1873 // NB: This size is arbitrary. Should this be a data member,
1874 // initialized at construction?
1875 const size_t __maxlen = 64;
1877 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
1879 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
1880 // is possible that the format character will be longer than one
1881 // character. Possibilities include 'E' or 'O' followed by a
1882 // format character: if __mod is not the default argument, assume
1883 // it's a valid modifier.
1885 __fmt[0] = __ctype.widen('%');
1888 __fmt[1] = __format;
1889 __fmt[2] = char_type();
1894 __fmt[2] = __format;
1895 __fmt[3] = char_type();
1898 __tp._M_put(__res, __maxlen, __fmt, __tm);
1900 // Write resulting, fully-formatted string to output iterator.
1901 size_t __len = char_traits<char_type>::length(__res);
1902 for (size_t __i = 0; __i < __len; ++__i, ++__s)
1908 // Generic version does nothing.
1909 template<typename _CharT>
1911 collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
1914 // Generic version does nothing.
1915 template<typename _CharT>
1917 collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
1920 template<typename _CharT>
1923 do_compare(const _CharT* __lo1, const _CharT* __hi1,
1924 const _CharT* __lo2, const _CharT* __hi2) const
1926 const string_type __one(__lo1, __hi1);
1927 const string_type __two(__lo2, __hi2);
1928 return _M_compare(__one.c_str(), __two.c_str());
1931 template<typename _CharT>
1932 typename collate<_CharT>::string_type
1934 do_transform(const _CharT* __lo, const _CharT* __hi) const
1936 size_t __len = (__hi - __lo) * 2;
1937 // First try a buffer perhaps big enough.
1939 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
1940 size_t __res = _M_transform(__c, __lo, __len);
1941 // If the buffer was not large enough, try again with the correct size.
1945 static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__res + 1)));
1946 _M_transform(__c, __lo, __res + 1);
1948 return string_type(__c);
1951 template<typename _CharT>
1954 do_hash(const _CharT* __lo, const _CharT* __hi) const
1956 unsigned long __val = 0;
1957 for (; __lo < __hi; ++__lo)
1958 __val = *__lo + ((__val << 7) |
1959 (__val >> (numeric_limits<unsigned long>::digits - 7)));
1960 return static_cast<long>(__val);
1963 // Convert string to numeric value of type _Tv and store results.
1964 // NB: This is specialized for all required types, there is no
1965 // generic definition.
1966 template<typename _Tv>
1968 __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err,
1969 const __c_locale& __cloc, int __base = 10);
1971 // Convert numeric value of type _Tv to string and return length of string.
1972 // If snprintf is available use it, otherwise fall back to the unsafe sprintf
1973 // which, in general, can be dangerous and should be avoided.
1974 template<typename _Tv>
1976 __convert_from_v(char* __out, const int __size, const char* __fmt,
1977 _Tv __v, const __c_locale&, int __prec = -1);
1979 // Construct correctly padded string, as per 22.2.2.2.2
1981 // __newlen > __oldlen
1982 // __news is allocated for __newlen size
1983 // Used by both num_put and ostream inserters: if __num,
1984 // internal-adjusted objects are padded according to the rules below
1985 // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
1988 // NB: Of the two parameters, _CharT can be deduced from the
1989 // function arguments. The other (_Traits) has to be explicitly specified.
1990 template<typename _CharT, typename _Traits>
1994 _S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
1995 const _CharT* __olds, const streamsize __newlen,
1996 const streamsize __oldlen, const bool __num);
1999 template<typename _CharT, typename _Traits>
2001 __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
2002 _CharT* __news, const _CharT* __olds,
2003 const streamsize __newlen,
2004 const streamsize __oldlen, const bool __num)
2006 size_t __plen = static_cast<size_t>(__newlen - __oldlen);
2007 _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __plen));
2008 _Traits::assign(__pads, __plen, __fill);
2013 size_t __beglen; //either __plen or __oldlen
2014 ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
2016 if (__adjust == ios_base::left)
2019 __beg = const_cast<_CharT*>(__olds);
2020 __beglen = __oldlen;
2023 else if (__adjust == ios_base::internal && __num)
2025 // Pad after the sign, if there is one.
2026 // Pad after 0[xX], if there is one.
2027 // Who came up with these rules, anyway? Jeeze.
2028 locale __loc = __io.getloc();
2029 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
2030 const _CharT __minus = __ctype.widen('-');
2031 const _CharT __plus = __ctype.widen('+');
2032 bool __testsign = _Traits::eq(__olds[0], __minus)
2033 || _Traits::eq(__olds[0], __plus);
2035 bool __testhex = _Traits::eq(__ctype.widen('0'), __olds[0])
2036 && (_Traits::eq(__ctype.widen('x'), __olds[1])
2037 || _Traits::eq(__ctype.widen('X'), __olds[1]));
2040 __news[0] = __olds[0];
2041 __news[1] = __olds[1];
2046 __end = const_cast<_CharT*>(__olds + __mod);
2048 else if (__testsign)
2050 _Traits::eq((__news[0] = __olds[0]), __plus) ? __plus : __minus;
2055 __end = const_cast<_CharT*>(__olds + __mod);
2062 __end = const_cast<_CharT*>(__olds);
2070 __end = const_cast<_CharT*>(__olds);
2072 _Traits::copy(__news, __beg, __beglen);
2073 _Traits::copy(__news + __beglen, __end,
2074 __newlen - __beglen - __mod);
2077 // Used by both numeric and monetary facets.
2078 // Check to make sure that the __grouping_tmp string constructed in
2079 // money_get or num_get matches the canonical grouping for a given
2081 // __grouping_tmp is parsed L to R
2082 // 1,222,444 == __grouping_tmp of "/1/3/3"
2083 // __grouping is parsed R to L
2084 // 1,222,444 == __grouping of "/3" == "/3/3/3"
2085 template<typename _CharT>
2087 __verify_grouping(const basic_string<_CharT>& __grouping,
2088 basic_string<_CharT>& __grouping_tmp)
2092 const int __len = __grouping.size();
2093 const int __n = __grouping_tmp.size();
2096 // Parsed number groupings have to match the
2097 // numpunct::grouping string exactly, starting at the
2098 // right-most point of the parsed sequence of elements ...
2099 while (__test && __i < __n - 1)
2100 for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i)
2101 __test &= __grouping[__j] == __grouping_tmp[__n - __i - 1];
2102 // ... but the last parsed grouping can be <= numpunct
2104 __j == __len ? __j = 0 : __j;
2105 __test &= __grouping[__j] >= __grouping_tmp[__n - __i - 1];
2109 // Used by both numeric and monetary facets.
2110 // Inserts "group separator" characters into an array of characters.
2111 // It's recursive, one iteration per group. It moves the characters
2112 // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
2113 // only with __gbeg != __gend.
2114 template<typename _CharT>
2116 __add_grouping(_CharT* __s, _CharT __sep,
2117 const char* __gbeg, const char* __gend,
2118 const _CharT* __first, const _CharT* __last)
2120 if (__last - __first > *__gbeg)
2122 __s = __add_grouping(__s, __sep,
2123 (__gbeg + 1 == __gend ? __gbeg : __gbeg + 1),
2124 __gend, __first, __last - *__gbeg);
2125 __first = __last - *__gbeg;
2129 *__s++ = *__first++;
2130 while (__first != __last);
2134 // Inhibit implicit instantiations for required instantiations,
2135 // which are defined via explicit instantiations elsewhere.
2136 // NB: This syntax is a GNU extension.
2137 extern template class moneypunct<char, false>;
2138 extern template class moneypunct<char, true>;
2139 extern template class moneypunct_byname<char, false>;
2140 extern template class moneypunct_byname<char, true>;
2141 extern template class money_get<char>;
2142 extern template class money_put<char>;
2143 extern template class numpunct<char>;
2144 extern template class numpunct_byname<char>;
2145 extern template class num_get<char>;
2146 extern template class num_put<char>;
2147 extern template class __timepunct<char>;
2148 extern template class time_put<char>;
2149 extern template class time_put_byname<char>;
2150 extern template class time_get<char>;
2151 extern template class time_get_byname<char>;
2152 extern template class messages<char>;
2153 extern template class messages_byname<char>;
2154 extern template class ctype_byname<char>;
2155 extern template class codecvt_byname<char, char, mbstate_t>;
2156 extern template class collate<char>;
2157 extern template class collate_byname<char>;
2160 const codecvt<char, char, mbstate_t>&
2161 use_facet<codecvt<char, char, mbstate_t> >(const locale&);
2164 const collate<char>&
2165 use_facet<collate<char> >(const locale&);
2168 const numpunct<char>&
2169 use_facet<numpunct<char> >(const locale&);
2172 const num_put<char>&
2173 use_facet<num_put<char> >(const locale&);
2176 const num_get<char>&
2177 use_facet<num_get<char> >(const locale&);
2180 const moneypunct<char, true>&
2181 use_facet<moneypunct<char, true> >(const locale&);
2184 const moneypunct<char, false>&
2185 use_facet<moneypunct<char, false> >(const locale&);
2188 const money_put<char>&
2189 use_facet<money_put<char> >(const locale&);
2192 const money_get<char>&
2193 use_facet<money_get<char> >(const locale&);
2196 const __timepunct<char>&
2197 use_facet<__timepunct<char> >(const locale&);
2200 const time_put<char>&
2201 use_facet<time_put<char> >(const locale&);
2204 const time_get<char>&
2205 use_facet<time_get<char> >(const locale&);
2208 const messages<char>&
2209 use_facet<messages<char> >(const locale&);
2213 has_facet<ctype<char> >(const locale&);
2217 has_facet<codecvt<char, char, mbstate_t> >(const locale&);
2221 has_facet<collate<char> >(const locale&);
2225 has_facet<numpunct<char> >(const locale&);
2229 has_facet<num_put<char> >(const locale&);
2233 has_facet<num_get<char> >(const locale&);
2237 has_facet<moneypunct<char> >(const locale&);
2241 has_facet<money_put<char> >(const locale&);
2245 has_facet<money_get<char> >(const locale&);
2249 has_facet<__timepunct<char> >(const locale&);
2253 has_facet<time_put<char> >(const locale&);
2257 has_facet<time_get<char> >(const locale&);
2261 has_facet<messages<char> >(const locale&);
2263 #ifdef _GLIBCPP_USE_WCHAR_T
2264 extern template class moneypunct<wchar_t, false>;
2265 extern template class moneypunct<wchar_t, true>;
2266 extern template class moneypunct_byname<wchar_t, false>;
2267 extern template class moneypunct_byname<wchar_t, true>;
2268 extern template class money_get<wchar_t>;
2269 extern template class money_put<wchar_t>;
2270 extern template class numpunct<wchar_t>;
2271 extern template class numpunct_byname<wchar_t>;
2272 extern template class num_get<wchar_t>;
2273 extern template class num_put<wchar_t>;
2274 extern template class __timepunct<wchar_t>;
2275 extern template class time_put<wchar_t>;
2276 extern template class time_put_byname<wchar_t>;
2277 extern template class time_get<wchar_t>;
2278 extern template class time_get_byname<wchar_t>;
2279 extern template class messages<wchar_t>;
2280 extern template class messages_byname<wchar_t>;
2281 extern template class ctype_byname<wchar_t>;
2282 extern template class codecvt_byname<wchar_t, char, mbstate_t>;
2283 extern template class collate<wchar_t>;
2284 extern template class collate_byname<wchar_t>;
2287 const codecvt<wchar_t, char, mbstate_t>&
2288 use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
2291 const collate<wchar_t>&
2292 use_facet<collate<wchar_t> >(const locale&);
2295 const numpunct<wchar_t>&
2296 use_facet<numpunct<wchar_t> >(const locale&);
2299 const num_put<wchar_t>&
2300 use_facet<num_put<wchar_t> >(const locale&);
2303 const num_get<wchar_t>&
2304 use_facet<num_get<wchar_t> >(const locale&);
2307 const moneypunct<wchar_t, true>&
2308 use_facet<moneypunct<wchar_t, true> >(const locale&);
2311 const moneypunct<wchar_t, false>&
2312 use_facet<moneypunct<wchar_t, false> >(const locale&);
2315 const money_put<wchar_t>&
2316 use_facet<money_put<wchar_t> >(const locale&);
2319 const money_get<wchar_t>&
2320 use_facet<money_get<wchar_t> >(const locale&);
2323 const __timepunct<wchar_t>&
2324 use_facet<__timepunct<wchar_t> >(const locale&);
2327 const time_put<wchar_t>&
2328 use_facet<time_put<wchar_t> >(const locale&);
2331 const time_get<wchar_t>&
2332 use_facet<time_get<wchar_t> >(const locale&);
2335 const messages<wchar_t>&
2336 use_facet<messages<wchar_t> >(const locale&);
2340 has_facet<ctype<wchar_t> >(const locale&);
2344 has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
2348 has_facet<collate<wchar_t> >(const locale&);
2352 has_facet<numpunct<wchar_t> >(const locale&);
2356 has_facet<num_put<wchar_t> >(const locale&);
2360 has_facet<num_get<wchar_t> >(const locale&);
2364 has_facet<moneypunct<wchar_t> >(const locale&);
2368 has_facet<money_put<wchar_t> >(const locale&);
2372 has_facet<money_get<wchar_t> >(const locale&);
2376 has_facet<__timepunct<wchar_t> >(const locale&);
2380 has_facet<time_put<wchar_t> >(const locale&);
2384 has_facet<time_get<wchar_t> >(const locale&);
2388 has_facet<messages<wchar_t> >(const locale&);