1 // Locale support -*- C++ -*-
3 // Copyright (C) 2007 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 2, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING. If not, write to the Free
18 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
21 // As a special exception, you may use this file as part of a free software
22 // library without restriction. Specifically, if other files instantiate
23 // templates or use macros or inline functions from this file, or you compile
24 // this file and link it with other files to produce an executable, this
25 // file does not by itself cause the resulting executable to be covered by
26 // the GNU General Public License. This exception does not however
27 // invalidate any other reasons why the executable file might be covered by
28 // the GNU General Public License.
30 /** @file locale_facets_nonio.tcc
31 * This is an internal header file, included by other library headers.
32 * You should not attempt to use it directly.
35 #ifndef _LOCALE_FACETS_NONIO_TCC
36 #define _LOCALE_FACETS_NONIO_TCC 1
38 #pragma GCC system_header
40 _GLIBCXX_BEGIN_NAMESPACE(std)
42 template<typename _CharT, bool _Intl>
43 struct __use_cache<__moneypunct_cache<_CharT, _Intl> >
45 const __moneypunct_cache<_CharT, _Intl>*
46 operator() (const locale& __loc) const
48 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id();
49 const locale::facet** __caches = __loc._M_impl->_M_caches;
52 __moneypunct_cache<_CharT, _Intl>* __tmp = NULL;
55 __tmp = new __moneypunct_cache<_CharT, _Intl>;
56 __tmp->_M_cache(__loc);
61 __throw_exception_again;
63 __loc._M_impl->_M_install_cache(__tmp, __i);
66 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]);
70 template<typename _CharT, bool _Intl>
72 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc)
76 const moneypunct<_CharT, _Intl>& __mp =
77 use_facet<moneypunct<_CharT, _Intl> >(__loc);
79 _M_grouping_size = __mp.grouping().size();
80 char* __grouping = new char[_M_grouping_size];
81 __mp.grouping().copy(__grouping, _M_grouping_size);
82 _M_grouping = __grouping;
83 _M_use_grouping = (_M_grouping_size
84 && static_cast<signed char>(__mp.grouping()[0]) > 0);
86 _M_decimal_point = __mp.decimal_point();
87 _M_thousands_sep = __mp.thousands_sep();
88 _M_frac_digits = __mp.frac_digits();
90 _M_curr_symbol_size = __mp.curr_symbol().size();
91 _CharT* __curr_symbol = new _CharT[_M_curr_symbol_size];
92 __mp.curr_symbol().copy(__curr_symbol, _M_curr_symbol_size);
93 _M_curr_symbol = __curr_symbol;
95 _M_positive_sign_size = __mp.positive_sign().size();
96 _CharT* __positive_sign = new _CharT[_M_positive_sign_size];
97 __mp.positive_sign().copy(__positive_sign, _M_positive_sign_size);
98 _M_positive_sign = __positive_sign;
100 _M_negative_sign_size = __mp.negative_sign().size();
101 _CharT* __negative_sign = new _CharT[_M_negative_sign_size];
102 __mp.negative_sign().copy(__negative_sign, _M_negative_sign_size);
103 _M_negative_sign = __negative_sign;
105 _M_pos_format = __mp.pos_format();
106 _M_neg_format = __mp.neg_format();
108 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
109 __ct.widen(money_base::_S_atoms,
110 money_base::_S_atoms + money_base::_S_end, _M_atoms);
113 _GLIBCXX_BEGIN_LDBL_NAMESPACE
115 template<typename _CharT, typename _InIter>
118 money_get<_CharT, _InIter>::
119 _M_extract(iter_type __beg, iter_type __end, ios_base& __io,
120 ios_base::iostate& __err, string& __units) const
122 typedef char_traits<_CharT> __traits_type;
123 typedef typename string_type::size_type size_type;
124 typedef money_base::part part;
125 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
127 const locale& __loc = __io._M_getloc();
128 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
130 __use_cache<__cache_type> __uc;
131 const __cache_type* __lc = __uc(__loc);
132 const char_type* __lit = __lc->_M_atoms;
135 bool __negative = false;
137 size_type __sign_size = 0;
138 // True if sign is mandatory.
139 const bool __mandatory_sign = (__lc->_M_positive_sign_size
140 && __lc->_M_negative_sign_size);
141 // String of grouping info from thousands_sep plucked from __units.
142 string __grouping_tmp;
143 if (__lc->_M_use_grouping)
144 __grouping_tmp.reserve(32);
145 // Last position before the decimal point.
147 // Separator positions, then, possibly, fractional digits.
149 // If input iterator is in a valid state.
150 bool __testvalid = true;
151 // Flag marking when a decimal point is found.
152 bool __testdecfound = false;
154 // The tentative returned string is stored here.
158 const char_type* __lit_zero = __lit + money_base::_S_zero;
159 const money_base::pattern __p = __lc->_M_neg_format;
160 for (int __i = 0; __i < 4 && __testvalid; ++__i)
162 const part __which = static_cast<part>(__p.field[__i]);
165 case money_base::symbol:
166 // According to 22.2.6.1.2, p2, symbol is required
167 // if (__io.flags() & ios_base::showbase), otherwise
168 // is optional and consumed only if other characters
169 // are needed to complete the format.
170 if (__io.flags() & ios_base::showbase || __sign_size > 1
172 || (__i == 1 && (__mandatory_sign
173 || (static_cast<part>(__p.field[0])
175 || (static_cast<part>(__p.field[2])
176 == money_base::space)))
177 || (__i == 2 && ((static_cast<part>(__p.field[3])
178 == money_base::value)
180 && (static_cast<part>(__p.field[3])
181 == money_base::sign)))))
183 const size_type __len = __lc->_M_curr_symbol_size;
185 for (; __beg != __end && __j < __len
186 && *__beg == __lc->_M_curr_symbol[__j];
189 && (__j || __io.flags() & ios_base::showbase))
193 case money_base::sign:
194 // Sign might not exist, or be more than one character long.
195 if (__lc->_M_positive_sign_size && __beg != __end
196 && *__beg == __lc->_M_positive_sign[0])
198 __sign_size = __lc->_M_positive_sign_size;
201 else if (__lc->_M_negative_sign_size && __beg != __end
202 && *__beg == __lc->_M_negative_sign[0])
205 __sign_size = __lc->_M_negative_sign_size;
208 else if (__lc->_M_positive_sign_size
209 && !__lc->_M_negative_sign_size)
210 // "... if no sign is detected, the result is given the sign
211 // that corresponds to the source of the empty string"
213 else if (__mandatory_sign)
216 case money_base::value:
217 // Extract digits, remove and stash away the
218 // grouping of found thousands separators.
219 for (; __beg != __end; ++__beg)
221 const char_type __c = *__beg;
222 const char_type* __q = __traits_type::find(__lit_zero,
226 __res += money_base::_S_atoms[__q - __lit];
229 else if (__c == __lc->_M_decimal_point
234 __testdecfound = true;
236 else if (__lc->_M_use_grouping
237 && __c == __lc->_M_thousands_sep
242 // Mark position for later analysis.
243 __grouping_tmp += static_cast<char>(__n);
258 case money_base::space:
259 // At least one space is required.
260 if (__beg != __end && __ctype.is(ctype_base::space, *__beg))
264 case money_base::none:
265 // Only if not at the end of the pattern.
267 for (; __beg != __end
268 && __ctype.is(ctype_base::space, *__beg); ++__beg);
273 // Need to get the rest of the sign characters, if they exist.
274 if (__sign_size > 1 && __testvalid)
276 const char_type* __sign = __negative ? __lc->_M_negative_sign
277 : __lc->_M_positive_sign;
279 for (; __beg != __end && __i < __sign_size
280 && *__beg == __sign[__i]; ++__beg, ++__i);
282 if (__i != __sign_size)
288 // Strip leading zeros.
289 if (__res.size() > 1)
291 const size_type __first = __res.find_first_not_of('0');
292 const bool __only_zeros = __first == string::npos;
294 __res.erase(0, __only_zeros ? __res.size() - 1 : __first);
298 if (__negative && __res[0] != '0')
299 __res.insert(__res.begin(), '-');
301 // Test for grouping fidelity.
302 if (__grouping_tmp.size())
304 // Add the ending grouping.
305 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos
307 if (!std::__verify_grouping(__lc->_M_grouping,
308 __lc->_M_grouping_size,
310 __err |= ios_base::failbit;
313 // Iff not enough digits were supplied after the decimal-point.
314 if (__testdecfound && __lc->_M_frac_digits > 0
315 && __n != __lc->_M_frac_digits)
319 // Iff valid sequence is not recognized.
321 __err |= ios_base::failbit;
325 // Iff no more characters are available.
327 __err |= ios_base::eofbit;
331 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
332 template<typename _CharT, typename _InIter>
334 money_get<_CharT, _InIter>::
335 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
336 ios_base::iostate& __err, double& __units) const
339 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
340 : _M_extract<false>(__beg, __end, __io, __err, __str);
341 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
346 template<typename _CharT, typename _InIter>
348 money_get<_CharT, _InIter>::
349 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
350 ios_base::iostate& __err, long double& __units) const
353 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
354 : _M_extract<false>(__beg, __end, __io, __err, __str);
355 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
359 template<typename _CharT, typename _InIter>
361 money_get<_CharT, _InIter>::
362 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
363 ios_base::iostate& __err, string_type& __digits) const
365 typedef typename string::size_type size_type;
367 const locale& __loc = __io._M_getloc();
368 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
371 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
372 : _M_extract<false>(__beg, __end, __io, __err, __str);
373 const size_type __len = __str.size();
376 __digits.resize(__len);
377 __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]);
382 template<typename _CharT, typename _OutIter>
385 money_put<_CharT, _OutIter>::
386 _M_insert(iter_type __s, ios_base& __io, char_type __fill,
387 const string_type& __digits) const
389 typedef typename string_type::size_type size_type;
390 typedef money_base::part part;
391 typedef __moneypunct_cache<_CharT, _Intl> __cache_type;
393 const locale& __loc = __io._M_getloc();
394 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
396 __use_cache<__cache_type> __uc;
397 const __cache_type* __lc = __uc(__loc);
398 const char_type* __lit = __lc->_M_atoms;
400 // Determine if negative or positive formats are to be used, and
401 // discard leading negative_sign if it is present.
402 const char_type* __beg = __digits.data();
404 money_base::pattern __p;
405 const char_type* __sign;
406 size_type __sign_size;
407 if (!(*__beg == __lit[money_base::_S_minus]))
409 __p = __lc->_M_pos_format;
410 __sign = __lc->_M_positive_sign;
411 __sign_size = __lc->_M_positive_sign_size;
415 __p = __lc->_M_neg_format;
416 __sign = __lc->_M_negative_sign;
417 __sign_size = __lc->_M_negative_sign_size;
422 // Look for valid numbers in the ctype facet within input digits.
423 size_type __len = __ctype.scan_not(ctype_base::digit, __beg,
424 __beg + __digits.size()) - __beg;
427 // Assume valid input, and attempt to format.
428 // Break down input numbers into base components, as follows:
429 // final_value = grouped units + (decimal point) + (digits)
431 __value.reserve(2 * __len);
433 // Add thousands separators to non-decimal digits, per
435 long __paddec = __len - __lc->_M_frac_digits;
438 if (__lc->_M_frac_digits < 0)
440 if (__lc->_M_grouping_size)
442 __value.assign(2 * __paddec, char_type());
444 std::__add_grouping(&__value[0], __lc->_M_thousands_sep,
446 __lc->_M_grouping_size,
447 __beg, __beg + __paddec);
448 __value.erase(__vend - &__value[0]);
451 __value.assign(__beg, __paddec);
454 // Deal with decimal point, decimal digits.
455 if (__lc->_M_frac_digits > 0)
457 __value += __lc->_M_decimal_point;
459 __value.append(__beg + __paddec, __lc->_M_frac_digits);
462 // Have to pad zeros in the decimal position.
463 __value.append(-__paddec, __lit[money_base::_S_zero]);
464 __value.append(__beg, __len);
468 // Calculate length of resulting string.
469 const ios_base::fmtflags __f = __io.flags()
470 & ios_base::adjustfield;
471 __len = __value.size() + __sign_size;
472 __len += ((__io.flags() & ios_base::showbase)
473 ? __lc->_M_curr_symbol_size : 0);
476 __res.reserve(2 * __len);
478 const size_type __width = static_cast<size_type>(__io.width());
479 const bool __testipad = (__f == ios_base::internal
481 // Fit formatted digits into the required pattern.
482 for (int __i = 0; __i < 4; ++__i)
484 const part __which = static_cast<part>(__p.field[__i]);
487 case money_base::symbol:
488 if (__io.flags() & ios_base::showbase)
489 __res.append(__lc->_M_curr_symbol,
490 __lc->_M_curr_symbol_size);
492 case money_base::sign:
493 // Sign might not exist, or be more than one
494 // character long. In that case, add in the rest
499 case money_base::value:
502 case money_base::space:
503 // At least one space is required, but if internal
504 // formatting is required, an arbitrary number of
505 // fill spaces will be necessary.
507 __res.append(__width - __len, __fill);
511 case money_base::none:
513 __res.append(__width - __len, __fill);
518 // Special case of multi-part sign parts.
520 __res.append(__sign + 1, __sign_size - 1);
522 // Pad, if still necessary.
523 __len = __res.size();
526 if (__f == ios_base::left)
528 __res.append(__width - __len, __fill);
531 __res.insert(0, __width - __len, __fill);
535 // Write resulting, fully-formatted string to output iterator.
536 __s = std::__write(__s, __res.data(), __len);
542 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
543 template<typename _CharT, typename _OutIter>
545 money_put<_CharT, _OutIter>::
546 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
547 double __units) const
548 { return this->do_put(__s, __intl, __io, __fill, (long double) __units); }
551 template<typename _CharT, typename _OutIter>
553 money_put<_CharT, _OutIter>::
554 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
555 long double __units) const
557 const locale __loc = __io.getloc();
558 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
559 #ifdef _GLIBCXX_USE_C99
560 // First try a buffer perhaps big enough.
562 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
563 // _GLIBCXX_RESOLVE_LIB_DEFECTS
564 // 328. Bad sprintf format modifier in money_put<>::do_put()
565 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
566 "%.*Lf", 0, __units);
567 // If the buffer was not large enough, try again with the correct size.
568 if (__len >= __cs_size)
570 __cs_size = __len + 1;
571 __cs = static_cast<char*>(__builtin_alloca(__cs_size));
572 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
573 "%.*Lf", 0, __units);
576 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
577 const int __cs_size =
578 __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 3;
579 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
580 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf",
583 string_type __digits(__len, char_type());
584 __ctype.widen(__cs, __cs + __len, &__digits[0]);
585 return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
586 : _M_insert<false>(__s, __io, __fill, __digits);
589 template<typename _CharT, typename _OutIter>
591 money_put<_CharT, _OutIter>::
592 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
593 const string_type& __digits) const
594 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
595 : _M_insert<false>(__s, __io, __fill, __digits); }
597 _GLIBCXX_END_LDBL_NAMESPACE
599 // NB: Not especially useful. Without an ios_base object or some
600 // kind of locale reference, we are left clawing at the air where
601 // the side of the mountain used to be...
602 template<typename _CharT, typename _InIter>
604 time_get<_CharT, _InIter>::do_date_order() const
605 { return time_base::no_order; }
607 // Expand a strftime format string and parse it. E.g., do_get_date() may
608 // pass %m/%d/%Y => extracted characters.
609 template<typename _CharT, typename _InIter>
611 time_get<_CharT, _InIter>::
612 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
613 ios_base::iostate& __err, tm* __tm,
614 const _CharT* __format) const
616 const locale& __loc = __io._M_getloc();
617 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
618 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
619 const size_t __len = char_traits<_CharT>::length(__format);
621 ios_base::iostate __tmperr = ios_base::goodbit;
622 for (size_t __i = 0; __beg != __end && __i < __len && !__tmperr; ++__i)
624 if (__ctype.narrow(__format[__i], 0) == '%')
626 // Verify valid formatting code, attempt to extract.
627 char __c = __ctype.narrow(__format[++__i], 0);
629 if (__c == 'E' || __c == 'O')
630 __c = __ctype.narrow(__format[++__i], 0);
636 // Abbreviated weekday name [tm_wday]
637 const char_type* __days1[7];
638 __tp._M_days_abbreviated(__days1);
639 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days1,
643 // Weekday name [tm_wday].
644 const char_type* __days2[7];
645 __tp._M_days(__days2);
646 __beg = _M_extract_name(__beg, __end, __tm->tm_wday, __days2,
651 // Abbreviated month name [tm_mon]
652 const char_type* __months1[12];
653 __tp._M_months_abbreviated(__months1);
654 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
655 __months1, 12, __io, __tmperr);
658 // Month name [tm_mon].
659 const char_type* __months2[12];
660 __tp._M_months(__months2);
661 __beg = _M_extract_name(__beg, __end, __tm->tm_mon,
662 __months2, 12, __io, __tmperr);
665 // Default time and date representation.
666 const char_type* __dt[2];
667 __tp._M_date_time_formats(__dt);
668 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
672 // Day [01, 31]. [tm_mday]
673 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2,
677 // Day [1, 31], with single digits preceded by
679 if (__ctype.is(ctype_base::space, *__beg))
680 __beg = _M_extract_num(++__beg, __end, __tm->tm_mday, 1, 9,
683 __beg = _M_extract_num(__beg, __end, __tm->tm_mday, 10, 31,
687 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
689 __ctype.widen(__cs, __cs + 9, __wcs);
690 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
694 // Hour [00, 23]. [tm_hour]
695 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
699 // Hour [01, 12]. [tm_hour]
700 __beg = _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2,
704 // Month [01, 12]. [tm_mon]
705 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2,
708 __tm->tm_mon = __mem - 1;
711 // Minute [00, 59]. [tm_min]
712 __beg = _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
716 if (__ctype.narrow(*__beg, 0) == '\n')
719 __tmperr |= ios_base::failbit;
722 // Equivalent to (%H:%M).
724 __ctype.widen(__cs, __cs + 6, __wcs);
725 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
730 // [00, 60] in C99 (one leap-second), [00, 61] in C89.
731 #ifdef _GLIBCXX_USE_C99
732 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 60, 2,
734 __beg = _M_extract_num(__beg, __end, __tm->tm_sec, 0, 61, 2,
739 if (__ctype.narrow(*__beg, 0) == '\t')
742 __tmperr |= ios_base::failbit;
745 // Equivalent to (%H:%M:%S).
747 __ctype.widen(__cs, __cs + 9, __wcs);
748 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
753 const char_type* __dates[2];
754 __tp._M_date_formats(__dates);
755 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
760 const char_type* __times[2];
761 __tp._M_time_formats(__times);
762 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr,
767 // Two digit year. [tm_year]
768 __beg = _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2,
772 // Year [1900). [tm_year]
773 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4,
776 __tm->tm_year = __mem - 1900;
780 if (__ctype.is(ctype_base::upper, *__beg))
783 __beg = _M_extract_name(__beg, __end, __tmp,
784 __timepunct_cache<_CharT>::_S_timezones,
787 // GMT requires special effort.
788 if (__beg != __end && !__tmperr && __tmp == 0
789 && (*__beg == __ctype.widen('-')
790 || *__beg == __ctype.widen('+')))
792 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
794 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
799 __tmperr |= ios_base::failbit;
803 __tmperr |= ios_base::failbit;
808 // Verify format and input match, extract and discard.
809 if (__format[__i] == *__beg)
812 __tmperr |= ios_base::failbit;
817 __err |= ios_base::failbit;
822 template<typename _CharT, typename _InIter>
824 time_get<_CharT, _InIter>::
825 _M_extract_num(iter_type __beg, iter_type __end, int& __member,
826 int __min, int __max, size_t __len,
827 ios_base& __io, ios_base::iostate& __err) const
829 const locale& __loc = __io._M_getloc();
830 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
832 // As-is works for __len = 1, 2, 4, the values actually used.
833 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1);
838 for (; __beg != __end && __i < __len; ++__beg, ++__i)
840 const char __c = __ctype.narrow(*__beg, '*');
841 if (__c >= '0' && __c <= '9')
843 __value = __value * 10 + (__c - '0');
844 const int __valuec = __value * __mult;
845 if (__valuec > __max || __valuec + __mult < __min)
855 __err |= ios_base::failbit;
861 // All elements in __names are unique.
862 template<typename _CharT, typename _InIter>
864 time_get<_CharT, _InIter>::
865 _M_extract_name(iter_type __beg, iter_type __end, int& __member,
866 const _CharT** __names, size_t __indexlen,
867 ios_base& __io, ios_base::iostate& __err) const
869 typedef char_traits<_CharT> __traits_type;
870 const locale& __loc = __io._M_getloc();
871 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
873 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int)
875 size_t __nmatches = 0;
877 bool __testvalid = true;
878 const char_type* __name;
880 // Look for initial matches.
881 // NB: Some of the locale data is in the form of all lowercase
882 // names, and some is in the form of initially-capitalized
883 // names. Look for both.
886 const char_type __c = *__beg;
887 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
888 if (__c == __names[__i1][0]
889 || __c == __ctype.toupper(__names[__i1][0]))
890 __matches[__nmatches++] = __i1;
893 while (__nmatches > 1)
895 // Find smallest matching string.
896 size_t __minlen = __traits_type::length(__names[__matches[0]]);
897 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2)
898 __minlen = std::min(__minlen,
899 __traits_type::length(__names[__matches[__i2]]));
901 if (__pos < __minlen && __beg != __end)
902 for (size_t __i3 = 0; __i3 < __nmatches;)
904 __name = __names[__matches[__i3]];
905 if (!(__name[__pos] == *__beg))
906 __matches[__i3] = __matches[--__nmatches];
916 // Make sure found name is completely extracted.
918 __name = __names[__matches[0]];
919 const size_t __len = __traits_type::length(__name);
920 while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
924 __member = __matches[0];
931 __err |= ios_base::failbit;
936 template<typename _CharT, typename _InIter>
938 time_get<_CharT, _InIter>::
939 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
940 ios_base::iostate& __err, tm* __tm) const
942 const locale& __loc = __io._M_getloc();
943 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
944 const char_type* __times[2];
945 __tp._M_time_formats(__times);
946 __beg = _M_extract_via_format(__beg, __end, __io, __err,
949 __err |= ios_base::eofbit;
953 template<typename _CharT, typename _InIter>
955 time_get<_CharT, _InIter>::
956 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
957 ios_base::iostate& __err, tm* __tm) const
959 const locale& __loc = __io._M_getloc();
960 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
961 const char_type* __dates[2];
962 __tp._M_date_formats(__dates);
963 __beg = _M_extract_via_format(__beg, __end, __io, __err,
966 __err |= ios_base::eofbit;
970 template<typename _CharT, typename _InIter>
972 time_get<_CharT, _InIter>::
973 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
974 ios_base::iostate& __err, tm* __tm) const
976 typedef char_traits<_CharT> __traits_type;
977 const locale& __loc = __io._M_getloc();
978 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
979 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
980 const char_type* __days[7];
981 __tp._M_days_abbreviated(__days);
983 ios_base::iostate __tmperr = ios_base::goodbit;
984 __beg = _M_extract_name(__beg, __end, __tmpwday, __days, 7,
987 // Check to see if non-abbreviated name exists, and extract.
988 // NB: Assumes both _M_days and _M_days_abbreviated organized in
989 // exact same order, first to last, such that the resulting
990 // __days array with the same index points to a day, and that
991 // day's abbreviated form.
992 // NB: Also assumes that an abbreviated name is a subset of the name.
993 if (!__tmperr && __beg != __end)
995 size_t __pos = __traits_type::length(__days[__tmpwday]);
996 __tp._M_days(__days);
997 const char_type* __name = __days[__tmpwday];
998 if (__name[__pos] == *__beg)
1000 // Extract the rest of it.
1001 const size_t __len = __traits_type::length(__name);
1002 while (__pos < __len && __beg != __end
1003 && __name[__pos] == *__beg)
1006 __tmperr |= ios_base::failbit;
1010 __tm->tm_wday = __tmpwday;
1012 __err |= ios_base::failbit;
1015 __err |= ios_base::eofbit;
1019 template<typename _CharT, typename _InIter>
1021 time_get<_CharT, _InIter>::
1022 do_get_monthname(iter_type __beg, iter_type __end,
1023 ios_base& __io, ios_base::iostate& __err, tm* __tm) const
1025 typedef char_traits<_CharT> __traits_type;
1026 const locale& __loc = __io._M_getloc();
1027 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc);
1028 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1029 const char_type* __months[12];
1030 __tp._M_months_abbreviated(__months);
1032 ios_base::iostate __tmperr = ios_base::goodbit;
1033 __beg = _M_extract_name(__beg, __end, __tmpmon, __months, 12,
1036 // Check to see if non-abbreviated name exists, and extract.
1037 // NB: Assumes both _M_months and _M_months_abbreviated organized in
1038 // exact same order, first to last, such that the resulting
1039 // __months array with the same index points to a month, and that
1040 // month's abbreviated form.
1041 // NB: Also assumes that an abbreviated name is a subset of the name.
1042 if (!__tmperr && __beg != __end)
1044 size_t __pos = __traits_type::length(__months[__tmpmon]);
1045 __tp._M_months(__months);
1046 const char_type* __name = __months[__tmpmon];
1047 if (__name[__pos] == *__beg)
1049 // Extract the rest of it.
1050 const size_t __len = __traits_type::length(__name);
1051 while (__pos < __len && __beg != __end
1052 && __name[__pos] == *__beg)
1055 __tmperr |= ios_base::failbit;
1059 __tm->tm_mon = __tmpmon;
1061 __err |= ios_base::failbit;
1064 __err |= ios_base::eofbit;
1068 template<typename _CharT, typename _InIter>
1070 time_get<_CharT, _InIter>::
1071 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
1072 ios_base::iostate& __err, tm* __tm) const
1074 const locale& __loc = __io._M_getloc();
1075 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
1079 for (; __beg != __end && __i < 4; ++__beg, ++__i)
1081 const char __c = __ctype.narrow(*__beg, '*');
1082 if (__c >= '0' && __c <= '9')
1083 __value = __value * 10 + (__c - '0');
1087 if (__i == 2 || __i == 4)
1088 __tm->tm_year = __i == 2 ? __value : __value - 1900;
1090 __err |= ios_base::failbit;
1093 __err |= ios_base::eofbit;
1097 template<typename _CharT, typename _OutIter>
1099 time_put<_CharT, _OutIter>::
1100 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1101 const _CharT* __beg, const _CharT* __end) const
1103 const locale& __loc = __io._M_getloc();
1104 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1105 for (; __beg != __end; ++__beg)
1106 if (__ctype.narrow(*__beg, 0) != '%')
1111 else if (++__beg != __end)
1115 const char __c = __ctype.narrow(*__beg, 0);
1116 if (__c != 'E' && __c != 'O')
1118 else if (++__beg != __end)
1121 __format = __ctype.narrow(*__beg, 0);
1125 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod);
1132 template<typename _CharT, typename _OutIter>
1134 time_put<_CharT, _OutIter>::
1135 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm,
1136 char __format, char __mod) const
1138 const locale& __loc = __io._M_getloc();
1139 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
1140 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
1142 // NB: This size is arbitrary. Should this be a data member,
1143 // initialized at construction?
1144 const size_t __maxlen = 128;
1146 static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
1148 // NB: In IEE 1003.1-200x, and perhaps other locale models, it
1149 // is possible that the format character will be longer than one
1150 // character. Possibilities include 'E' or 'O' followed by a
1151 // format character: if __mod is not the default argument, assume
1152 // it's a valid modifier.
1154 __fmt[0] = __ctype.widen('%');
1157 __fmt[1] = __format;
1158 __fmt[2] = char_type();
1163 __fmt[2] = __format;
1164 __fmt[3] = char_type();
1167 __tp._M_put(__res, __maxlen, __fmt, __tm);
1169 // Write resulting, fully-formatted string to output iterator.
1170 return std::__write(__s, __res, char_traits<char_type>::length(__res));
1174 // Inhibit implicit instantiations for required instantiations,
1175 // which are defined via explicit instantiations elsewhere.
1176 // NB: This syntax is a GNU extension.
1177 #if _GLIBCXX_EXTERN_TEMPLATE
1178 extern template class moneypunct<char, false>;
1179 extern template class moneypunct<char, true>;
1180 extern template class moneypunct_byname<char, false>;
1181 extern template class moneypunct_byname<char, true>;
1182 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<char>;
1183 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<char>;
1184 extern template class __timepunct<char>;
1185 extern template class time_put<char>;
1186 extern template class time_put_byname<char>;
1187 extern template class time_get<char>;
1188 extern template class time_get_byname<char>;
1189 extern template class messages<char>;
1190 extern template class messages_byname<char>;
1193 const moneypunct<char, true>&
1194 use_facet<moneypunct<char, true> >(const locale&);
1197 const moneypunct<char, false>&
1198 use_facet<moneypunct<char, false> >(const locale&);
1201 const money_put<char>&
1202 use_facet<money_put<char> >(const locale&);
1205 const money_get<char>&
1206 use_facet<money_get<char> >(const locale&);
1209 const __timepunct<char>&
1210 use_facet<__timepunct<char> >(const locale&);
1213 const time_put<char>&
1214 use_facet<time_put<char> >(const locale&);
1217 const time_get<char>&
1218 use_facet<time_get<char> >(const locale&);
1221 const messages<char>&
1222 use_facet<messages<char> >(const locale&);
1226 has_facet<moneypunct<char> >(const locale&);
1230 has_facet<money_put<char> >(const locale&);
1234 has_facet<money_get<char> >(const locale&);
1238 has_facet<__timepunct<char> >(const locale&);
1242 has_facet<time_put<char> >(const locale&);
1246 has_facet<time_get<char> >(const locale&);
1250 has_facet<messages<char> >(const locale&);
1252 #ifdef _GLIBCXX_USE_WCHAR_T
1253 extern template class moneypunct<wchar_t, false>;
1254 extern template class moneypunct<wchar_t, true>;
1255 extern template class moneypunct_byname<wchar_t, false>;
1256 extern template class moneypunct_byname<wchar_t, true>;
1257 extern template class _GLIBCXX_LDBL_NAMESPACE money_get<wchar_t>;
1258 extern template class _GLIBCXX_LDBL_NAMESPACE money_put<wchar_t>;
1259 extern template class __timepunct<wchar_t>;
1260 extern template class time_put<wchar_t>;
1261 extern template class time_put_byname<wchar_t>;
1262 extern template class time_get<wchar_t>;
1263 extern template class time_get_byname<wchar_t>;
1264 extern template class messages<wchar_t>;
1265 extern template class messages_byname<wchar_t>;
1268 const moneypunct<wchar_t, true>&
1269 use_facet<moneypunct<wchar_t, true> >(const locale&);
1272 const moneypunct<wchar_t, false>&
1273 use_facet<moneypunct<wchar_t, false> >(const locale&);
1276 const money_put<wchar_t>&
1277 use_facet<money_put<wchar_t> >(const locale&);
1280 const money_get<wchar_t>&
1281 use_facet<money_get<wchar_t> >(const locale&);
1284 const __timepunct<wchar_t>&
1285 use_facet<__timepunct<wchar_t> >(const locale&);
1288 const time_put<wchar_t>&
1289 use_facet<time_put<wchar_t> >(const locale&);
1292 const time_get<wchar_t>&
1293 use_facet<time_get<wchar_t> >(const locale&);
1296 const messages<wchar_t>&
1297 use_facet<messages<wchar_t> >(const locale&);
1301 has_facet<moneypunct<wchar_t> >(const locale&);
1305 has_facet<money_put<wchar_t> >(const locale&);
1309 has_facet<money_get<wchar_t> >(const locale&);
1313 has_facet<__timepunct<wchar_t> >(const locale&);
1317 has_facet<time_put<wchar_t> >(const locale&);
1321 has_facet<time_get<wchar_t> >(const locale&);
1325 has_facet<messages<wchar_t> >(const locale&);
1329 _GLIBCXX_END_NAMESPACE