1 // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
3 // This file is part of the GNU ISO C++ Library. This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 2, or (at your option)
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
19 // As a special exception, you may use this file as part of a free software
20 // library without restriction. Specifically, if other files instantiate
21 // templates or use macros or inline functions from this file, or you compile
22 // this file and link it with other files to produce an executable, this
23 // file does not by itself cause the resulting executable to be covered by
24 // the GNU General Public License. This exception does not however
25 // invalidate any other reasons why the executable file might be covered by
26 // the GNU General Public License.
28 #include <bits/std_clocale.h>
29 #include <bits/std_cstring.h>
30 #include <bits/std_cassert.h>
31 #include <bits/std_cctype.h>
32 #include <bits/std_limits.h>
34 #include <bits/std_stdexcept.h>
35 #include <bits/std_locale.h>
36 #include <bits/std_istream.h>
37 #include <bits/std_ostream.h>
38 #include <bits/std_vector.h>
39 #include <bits/std_memory.h> // for auto_ptr
40 #ifdef _GLIBCPP_USE_WCHAR_T
41 # include <bits/std_cwctype.h> // for towupper, etc.
46 // Defined in globals.cc.
47 extern locale::_Impl locale_impl_c;
48 extern locale locale_c;
50 // Definitions for static const data members of locale.
51 const locale::category locale::none;
52 const locale::category locale::ctype;
53 const locale::category locale::numeric;
54 const locale::category locale::collate;
55 const locale::category locale::time;
56 const locale::category locale::monetary;
57 const locale::category locale::messages;
58 const locale::category locale::all;
60 locale::_Impl* locale::_S_classic;
61 locale::_Impl* locale::_S_global;
62 const size_t locale::_S_num_categories;
63 const size_t locale::_S_num_facets;
65 // Definitions for locale::id of standard facets.
66 locale::id ctype<char>::id;
67 locale::id codecvt<char, char, mbstate_t>::id;
69 #ifdef _GLIBCPP_USE_WCHAR_T
70 locale::id ctype<wchar_t>::id;
71 locale::id codecvt<wchar_t, char, mbstate_t>::id;
74 // Definitions for static const data members of locale::id
75 size_t locale::id::_S_highwater; // init'd to 0 by linker
77 // Definitions for static const data members of locale::_Impl
78 const locale::id* const
79 locale::_Impl::_S_id_ctype[] =
81 &std::ctype<char>::id,
82 &codecvt<char, char, mbstate_t>::id,
83 #ifdef _GLIBCPP_USE_WCHAR_T
84 &std::ctype<wchar_t>::id,
85 &codecvt<wchar_t, char, mbstate_t>::id,
90 const locale::id* const
91 locale::_Impl::_S_id_numeric[] =
96 #ifdef _GLIBCPP_USE_WCHAR_T
97 &num_get<wchar_t>::id,
98 &num_put<wchar_t>::id,
99 &numpunct<wchar_t>::id,
104 const locale::id* const
105 locale::_Impl::_S_id_collate[] =
107 &std::collate<char>::id,
108 #ifdef _GLIBCPP_USE_WCHAR_T
109 &std::collate<wchar_t>::id,
114 const locale::id* const
115 locale::_Impl::_S_id_time[] =
119 #ifdef _GLIBCPP_USE_WCHAR_T
120 &time_get<wchar_t>::id,
121 &time_put<wchar_t>::id,
126 const locale::id* const
127 locale::_Impl::_S_id_monetary[] =
129 &money_get<char>::id,
130 &money_put<char>::id,
131 &moneypunct<char, false>::id,
132 &moneypunct<char, true >::id,
133 #ifdef _GLIBCPP_USE_WCHAR_T
134 &money_get<wchar_t>::id,
135 &money_put<wchar_t>::id,
136 &moneypunct<wchar_t, false>::id,
137 &moneypunct<wchar_t, true >::id,
142 const locale::id* const
143 locale::_Impl::_S_id_messages[] =
145 &std::messages<char>::id,
146 #ifdef _GLIBCPP_USE_WCHAR_T
147 &std::messages<wchar_t>::id,
152 const locale::id* const* const
153 locale::_Impl::_S_facet_categories[] =
155 // Order must match the decl order in class locale.
156 locale::_Impl::_S_id_ctype,
157 locale::_Impl::_S_id_numeric,
158 locale::_Impl::_S_id_collate,
159 locale::_Impl::_S_id_time,
160 locale::_Impl::_S_id_monetary,
161 locale::_Impl::_S_id_messages,
165 // Construct and return valid pattern consisting of some combination of:
166 // space none symbol sign value
168 money_base::_S_construct_pattern(char __preceeds, char __space, char __posn)
172 // This insanely complicated routine attempts to construct a valid
173 // pattern for use with monyepunct. A couple of invariants:
175 // if (__preceeds) symbol -> value
176 // else value -> symbol
178 // if (__space) space
181 // none == never first
182 // space never first or last
184 // Any elegant implementations of this are welcome.
188 // 1 The sign precedes the value and symbol.
191 // Pattern starts with sign.
194 __ret.field[1] = symbol;
195 __ret.field[2] = space;
196 __ret.field[3] = value;
200 __ret.field[1] = value;
201 __ret.field[2] = space;
202 __ret.field[3] = symbol;
204 __ret.field[0] = sign;
208 // Pattern starts with sign and ends with none.
211 __ret.field[1] = symbol;
212 __ret.field[2] = value;
216 __ret.field[1] = value;
217 __ret.field[2] = symbol;
219 __ret.field[0] = sign;
220 __ret.field[3] = none;
224 // 2 The sign follows the value and symbol.
227 // Pattern either ends with sign.
230 __ret.field[0] = symbol;
231 __ret.field[1] = space;
232 __ret.field[2] = value;
236 __ret.field[0] = value;
237 __ret.field[1] = space;
238 __ret.field[2] = symbol;
240 __ret.field[3] = sign;
244 // Pattern ends with sign then none.
247 __ret.field[0] = symbol;
248 __ret.field[1] = value;
252 __ret.field[0] = value;
253 __ret.field[1] = symbol;
255 __ret.field[2] = sign;
256 __ret.field[3] = none;
260 // 3 The sign immediately precedes the symbol.
266 __ret.field[0] = sign;
267 __ret.field[1] = symbol;
268 __ret.field[2] = space;
269 __ret.field[3] = value;
273 __ret.field[0] = value;
274 __ret.field[1] = space;
275 __ret.field[2] = sign;
276 __ret.field[3] = symbol;
284 __ret.field[0] = sign;
285 __ret.field[1] = symbol;
286 __ret.field[2] = value;
290 __ret.field[0] = value;
291 __ret.field[1] = sign;
292 __ret.field[2] = symbol;
294 __ret.field[3] = none;
298 // 4 The sign immediately follows the symbol.
304 __ret.field[0] = symbol;
305 __ret.field[1] = sign;
306 __ret.field[2] = space;
307 __ret.field[3] = value;
311 __ret.field[0] = value;
312 __ret.field[1] = space;
313 __ret.field[2] = symbol;
314 __ret.field[3] = sign;
322 __ret.field[0] = symbol;
323 __ret.field[1] = sign;
324 __ret.field[2] = value;
328 __ret.field[0] = value;
329 __ret.field[1] = symbol;
330 __ret.field[2] = sign;
332 __ret.field[3] = none;
341 locale::~locale() throw()
342 { _M_impl->_M_remove_reference(); }
345 locale::_M_coalesce(const locale& __base, const locale& __add,
348 __cat = _S_normalize_category(__cat);
349 _M_impl = new _Impl(*__base._M_impl, 1);
352 { _M_impl->_M_replace_categories(__add._M_impl, __cat); }
355 _M_impl->_M_remove_reference();
356 __throw_exception_again;
360 locale::locale() throw()
363 (_M_impl = _S_global)->_M_add_reference();
366 locale::locale(const locale& __other) throw()
367 { (_M_impl = __other._M_impl)->_M_add_reference(); }
369 // This is used to initialize global and classic locales, and
370 // assumes that the _Impl objects are constructed correctly.
371 locale::locale(_Impl* __ip) throw() : _M_impl(__ip)
374 locale::locale(const char* __s)
379 if (strcmp(__s, "C") == 0 || strcmp(__s, "POSIX") == 0)
380 (_M_impl = _S_classic)->_M_add_reference();
382 _M_impl = new _Impl(__s, 1);
385 __throw_runtime_error("attempt to create locale from NULL name");
388 locale::locale(const locale& __base, const char* __s, category __cat)
390 // NB: There are complicated, yet more efficient ways to do
391 // this. Building up locales on a per-category way is tedious, so
392 // let's do it this way until people complain.
394 _M_coalesce(__base, __add, __cat);
397 locale::locale(const locale& __base, const locale& __add, category __cat)
398 { _M_coalesce(__base, __add, __cat); }
401 locale::operator==(const locale& __rhs) const throw()
403 string __name = this->name();
404 return (_M_impl == __rhs._M_impl
405 || (__name != "*" && __name == __rhs.name()));
409 locale::operator=(const locale& __other) throw()
411 __other._M_impl->_M_add_reference();
412 _M_impl->_M_remove_reference();
413 _M_impl = __other._M_impl;
418 locale::global(const locale& __other)
422 _Impl* __old = _S_global;
423 __other._M_impl->_M_add_reference();
424 _S_global = __other._M_impl;
425 if (_S_global->_M_check_same_name() && _S_global->_M_names[0] != "*")
426 setlocale(LC_ALL, __other.name().c_str());
428 // Reference count sanity check: one reference removed for the
429 // subsition of __other locale, one added by return-by-value. Net
430 // difference: zero. When the returned locale object's destrutor
431 // is called, then the reference count is decremented and possibly
433 return locale(__old);
440 // Need some kind of separator character. This one was pretty much
441 // arbitrarily chosen as to not conflict with glibc locales: the
442 // exact formatting is not set in stone.
443 const char __separator = '|';
445 if (_M_impl->_M_check_same_name())
446 __ret = _M_impl->_M_names[0];
449 for (size_t i = 0; i < _S_num_categories; ++i)
450 __ret += __separator + _M_impl->_M_names[i];
463 // 26 Standard facets, 2 references.
464 // One reference for _M_classic, one for _M_global
465 _S_classic = new (&locale_impl_c) _Impl("C", 2);
466 _S_global = _S_classic;
467 new (&locale_c) locale(_S_classic);
471 // Just call destructor, so that locale_impl_c's memory is
472 // not deallocated via a call to delete.
474 _S_classic->~_Impl();
475 _S_classic = _S_global = 0;
476 __throw_exception_again;
483 locale::_S_normalize_category(category __cat)
486 if (__cat == none || (__cat & all) && !(__cat & ~all))
490 // NB: May be a C-style "LC_ALL" category; convert.
508 #ifdef _GLIBCPP_HAVE_LC_MESSAGES
517 __throw_runtime_error("bad locale category");
524 facet(size_t __refs) throw() : _M_references(__refs)
529 _M_add_reference() throw()
530 { ++_M_references; } // XXX MT
534 _M_remove_reference() throw()
536 if (_M_references-- == 0)
545 // Definitions for static const data members of ctype_base.
546 const ctype_base::mask ctype_base::space;
547 const ctype_base::mask ctype_base::print;
548 const ctype_base::mask ctype_base::cntrl;
549 const ctype_base::mask ctype_base::upper;
550 const ctype_base::mask ctype_base::lower;
551 const ctype_base::mask ctype_base::alpha;
552 const ctype_base::mask ctype_base::digit;
553 const ctype_base::mask ctype_base::punct;
554 const ctype_base::mask ctype_base::xdigit;
555 const ctype_base::mask ctype_base::alnum;
556 const ctype_base::mask ctype_base::graph;
558 // Platform-specific initialization code for ctype tables.
559 #include <bits/ctype_noninline.h>
561 const size_t ctype<char>::table_size;
563 ctype<char>::~ctype()
564 { if (_M_del) delete[] this->table(); }
566 // These are dummy placeholders as these virtual functions are never called.
568 ctype<char>::do_is(mask, char_type) const
572 ctype<char>::do_is(const char_type* __c, const char_type*, mask*) const
576 ctype<char>::do_scan_is(mask, const char_type* __c, const char_type*) const
580 ctype<char>::do_scan_not(mask, const char_type* __c, const char_type*) const
584 ctype<char>::do_widen(char __c) const
588 ctype<char>::do_widen(const char* __lo, const char* __hi, char* __dest) const
590 memcpy(__dest, __lo, __hi - __lo);
595 ctype<char>::do_narrow(char __c, char /*__dfault*/) const
599 ctype<char>::do_narrow(const char* __lo, const char* __hi,
600 char /*__dfault*/, char* __dest) const
602 memcpy(__dest, __lo, __hi - __lo);
607 ctype_byname<char>::ctype_byname(const char* /*__s*/, size_t __refs)
608 : ctype<char>(new mask[table_size], true, __refs)
611 // Definitions for static const data members of money_base
612 const money_base::pattern
613 money_base::_S_default_pattern = {{symbol, sign, none, value}};
616 _Format_cache<char>::_Format_cache()
618 _M_decimal_point('.'), _M_thousands_sep(','),
619 _M_truename("true"), _M_falsename("false"), _M_use_grouping(false)
622 #ifdef _GLIBCPP_USE_WCHAR_T
624 _Format_cache<wchar_t>::_Format_cache()
626 _M_decimal_point(L'.'), _M_thousands_sep(L','),
627 _M_truename(L"true"), _M_falsename(L"false"), _M_use_grouping(false)
633 use_facet<ctype<char> >(const locale& __loc)
635 size_t __i = ctype<char>::id._M_index;
636 const locale::_Impl* __tmp = __loc._M_impl;
637 return static_cast<const ctype<char>&>(* (*(__tmp->_M_facets))[__i]);
640 #ifdef _GLIBCPP_USE_WCHAR_T
642 const ctype<wchar_t>&
643 use_facet<ctype<wchar_t> >(const locale& __loc)
645 size_t __i = ctype<wchar_t>::id._M_index;
646 const locale::_Impl* __tmp = __loc._M_impl;
647 return static_cast<const ctype<wchar_t>&>(* (*(__tmp->_M_facets))[__i]);
653 num_get<char, istreambuf_iterator<char> >::
654 _M_extract(istreambuf_iterator<char> __beg,
655 istreambuf_iterator<char> __end, ios_base& __io,
656 ios_base::iostate& __err, char* __xtrc, int& __base,
659 typedef _Format_cache<char> __cache_type;
661 // Prepare for possible failure
664 // Stage 1: determine a conversion specifier.
665 ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
666 if (__basefield == ios_base::dec)
668 else if (__basefield == ios_base::oct)
670 else if (__basefield == ios_base::hex)
674 // As far as I can tell, bases other than 10 are not available for
675 // floating point types
679 // Stage 2: extract characters.
680 __cache_type const* __fmt = __cache_type::_S_get(__io);
682 // Fail quickly if !__valid
685 __err |= (ios_base::eofbit | ios_base::failbit);
689 // Acceptable formats for numbers here are based on 22.2.3.1
693 const char* __lits = __fmt->_S_literals;
696 // Check first for sign
697 bool __testsign = false;
698 if ((__c == __lits[__cache_type::_S_minus])
699 || (__c == __lits[__cache_type::_S_plus]))
702 __xtrc[__pos++] = __c;
706 // Whitespace may follow a sign
707 while ((__beg != __end) && (isspace(__c)))
713 // There had better be more to come...
716 __xtrc[__pos] = '\0';
717 __err |= (ios_base::eofbit | ios_base::failbit);
722 // Now check if first character is a zero.
723 bool __testzero = false;
724 if (__c == __lits[__cache_type::_S_digits])
730 // We have to check for __beg == __end here. If so,
731 // a plain '0' (possibly with a sign) can be got rid of now
734 __xtrc[__pos++] = __lits[__cache_type::_S_digits];
735 __xtrc[__pos] = '\0';
736 __err |= ios_base::eofbit;
740 // Figure out base for integer types only
741 // Based on Table 55 of 22.2.2.1.2
742 if (!__fp && __base != 10 && __base != 8)
744 // Here, __base == 0 or 16
745 if ((__c == __lits[__cache_type::_S_x])
746 || (__c == __lits[__cache_type::_S_X]))
751 __testzero = false; // "0x" is not a leading zero
753 else if (__base == 0)
757 // Remove any more leading zeros
758 while (__beg != __end)
760 if (__c == __lits[__cache_type::_S_digits])
770 else if (__base == 0) // 1st character is not zero
773 // We now seek "units", i.e. digits and thousands separators.
774 // We may need to know if anything is found here. A leading zero
775 // (removed by now) would count.
776 bool __testunits = __testzero;
777 while (__beg != __end)
779 const char* __p = strchr(__lits, __c);
781 // NB: strchr returns true for __c == 0x0
783 &&((__p >= &__lits[__cache_type::_S_digits]
784 && __p < &__lits[__cache_type::_S_digits + __base])
785 || (__p >= &__lits[__cache_type::_S_udigits]
786 && __p < &__lits[__cache_type::_S_udigits + __base])))
788 // Try first for acceptable digit; record it if found.
789 __xtrc[__pos++] = __c;
795 else if (__c == __fmt->_M_thousands_sep && __fmt->_M_use_grouping)
797 // NB: Thousands separator at the beginning of a string
798 // is a no-no, as is two consecutive thousands
802 __grp += static_cast<char>(__sep_pos);
809 __err |= ios_base::failbit;
814 // Not a valid input item.
818 // Digit grouping is checked. If _M_groupings() doesn't
819 // match, then get very very upset, and set failbit.
820 if (__fmt->_M_use_grouping && !__grp.empty())
822 // Add the ending grouping
823 __grp += static_cast<char>(__sep_pos);
825 // __grp is parsed L to R
826 // 1,222,444 == __grp of "/1/3/3"
827 // __fmt->_M_grouping is parsed R to L
828 // 1,222,444 == __fmt->_M_grouping of "/3" == "/3/3/3"
831 const int __len = __fmt->_M_grouping.size();
832 int __n = __grp.size();
835 // Parsed number groupings have to match the
836 // numpunct::grouping string exactly, starting at the
837 // right-most point of the parsed sequence of elements ...
838 while (__test && __i < __n - 1)
839 for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i)
840 __test &= __fmt->_M_grouping[__j] == __grp[__n - __i - 1];
841 // ... but the last parsed grouping can be <= numpunct
843 __j == __len ? __j = 0 : __j;
844 __test &= __fmt->_M_grouping[__j] >= __grp[__n - __i - 1];
848 __err |= ios_base::failbit;
849 __xtrc[__pos] = '\0';
851 __err |= ios_base::eofbit;
856 // If there was nothing but zeros, put one in the output string
857 if (__testzero && (__pos == 0 || (__pos == 1 && __testsign)))
858 __xtrc[__pos++] = __lits[__cache_type::_S_digits];
860 // That's it for integer types. Remaining code is for floating point
861 if (__fp && __beg != __end)
863 // Check first for decimal point. There MUST be one if
864 // __testunits is false.
865 bool __testdec = false; // Is there a decimal point
866 // with digits following it?
867 if (__c == __fmt->_M_decimal_point)
869 __xtrc[__pos++] = '.';
873 // Now we get any digits after the decimal point
874 // There MUST be some if __testunits is false.
875 while (__beg != __end)
877 const char* __p = strchr(__lits, __c);
878 if ((__p >= &__lits[__cache_type::_S_digits]
879 && __p < &__lits[__cache_type::_S_digits + __base])
880 || (__p >= &__lits[__cache_type::_S_udigits]
881 && __p < &__lits[__cache_type::_S_udigits + __base]))
883 __xtrc[__pos++] = __c;
892 if (!__testunits && !__testdec) // Ill formed
894 __err |= ios_base::failbit;
895 __xtrc[__pos] = '\0';
897 __err |= ios_base::eofbit;
901 // Now we may find an exponent
904 if ((__c == __lits[__cache_type::_S_ee])
905 || (__c == __lits[__cache_type::_S_Ee]))
907 __xtrc[__pos++] = __c;
911 // Now there may be a sign
914 if ((__c == __lits[__cache_type::_S_minus])
915 || (__c == __lits[__cache_type::_S_plus]))
917 __xtrc[__pos++] = __c;
920 // whitespace may follow a sign
921 while ((__beg != __end) && (isspace(__c)))
928 // And now there must be some digits
931 __xtrc[__pos] = '\0';
932 __err |= (ios_base::eofbit | ios_base::failbit);
935 while (__beg != __end)
937 const char* __p = strchr(__lits, __c);
938 if ((__p >= &__lits[__cache_type::_S_digits]
939 && __p < &__lits[__cache_type::_S_digits + __base])
940 || (__p >= &__lits[__cache_type::_S_udigits]
941 && __p < &__lits[__cache_type::_S_udigits + __base]))
943 __xtrc[__pos++] = __c;
952 // Finally, that's it for floating point
956 __xtrc[__pos] = '\0';
958 __err |= ios_base::eofbit;
961 // The following code uses sprintf() to convert floating point
962 // values for insertion into a stream. The current implementation
963 // replicates the code in _S_pad_numeric() (in _S_output_float()) in
964 // order to prevent having to create a "wide" buffer in addition to
965 // the "narrow" buffer passed to sprintf(). An optimization would be
966 // to replace sprintf() with code that works directly on a wide
967 // buffer and then use _S_pad_numeric() to do the padding. It would
968 // be good to replace sprintf() anyway to avoid accidental buffer
969 // overruns and to gain back the efficiency that C++ provides by
970 // knowing up front the type of the values to insert. This
971 // implementation follows the C++ standard fairly directly as
972 // outlined in 22.2.2.2 [lib.locale.num.put]
974 __build_float_format(ios_base& __io, char* __fptr, char __modifier,
977 bool __incl_prec = false;
978 ios_base::fmtflags __flags = __io.flags();
980 // [22.2.2.2.2] Table 60
981 if (__flags & ios_base::showpos)
983 if (__flags & ios_base::showpoint)
985 // As per [22.2.2.2.2.11]
986 if (__flags & ios_base::fixed || __prec > 0)
993 *__fptr++ = __modifier;
994 ios_base::fmtflags __fltfield = __flags & ios_base::floatfield;
995 // [22.2.2.2.2] Table 58
996 if (__fltfield == ios_base::fixed)
998 else if (__fltfield == ios_base::scientific)
999 *__fptr++ = (__flags & ios_base::uppercase) ? 'E' : 'e';
1001 *__fptr++ = (__flags & ios_base::uppercase) ? 'G' : 'g';
1007 moneypunct_byname<char, false>::moneypunct_byname(const char* /*__s*/,
1009 : moneypunct<char, false>(__refs) { }
1012 moneypunct_byname<char, true>::moneypunct_byname(const char* /*__s*/,
1014 : moneypunct<char, true>(__refs) { }
1016 #ifdef _GLIBCPP_USE_WCHAR_T
1017 ctype<wchar_t>::__wmask_type
1018 ctype<wchar_t>::_M_convert_to_wmask(const mask __m) const
1024 __ret = wctype("space");
1027 __ret = wctype("print");
1030 __ret = wctype("cntrl");
1033 __ret = wctype("upper");
1036 __ret = wctype("lower");
1039 __ret = wctype("alpha");
1042 __ret = wctype("digit");
1045 __ret = wctype("punct");
1048 __ret = wctype("xdigit");
1051 __ret = wctype("alnum");
1054 __ret = wctype("graph");
1062 ctype<wchar_t>::~ctype() { }
1064 // NB: These ctype<wchar_t> methods are not configuration-specific,
1065 // unlike the ctype<char> bits.
1066 ctype<wchar_t>::ctype(size_t __refs) : __ctype_abstract_base<wchar_t>(__refs)
1070 ctype<wchar_t>::do_toupper(wchar_t __c) const
1071 { return towupper(__c); }
1074 ctype<wchar_t>::do_toupper(wchar_t* __lo, const wchar_t* __hi) const
1078 *__lo = towupper(*__lo);
1085 ctype<wchar_t>::do_tolower(wchar_t __c) const
1086 { return towlower(__c); }
1089 ctype<wchar_t>::do_tolower(wchar_t* __lo, const wchar_t* __hi) const
1093 *__lo = towlower(*__lo);
1101 do_is(mask __m, char_type __c) const
1102 { return static_cast<bool>(iswctype(__c, _M_convert_to_wmask(__m))); }
1106 do_is(const wchar_t* __lo, const wchar_t* __hi, mask* __m) const
1108 while (__lo < __hi && !this->is(*__m, *__lo))
1115 do_scan_is(mask __m, const wchar_t* __lo, const wchar_t* __hi) const
1117 while (__lo < __hi && !this->is(__m, *__lo))
1124 do_scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
1126 while (__lo < __hi && this->is(__m, *__lo) != 0)
1133 do_widen(char __c) const
1134 { return btowc(__c); }
1138 do_widen(const char* __lo, const char* __hi, wchar_t* __dest) const
1141 memset(static_cast<void*>(&__state), 0, sizeof(mbstate_t));
1142 mbsrtowcs(__dest, &__lo, __hi - __lo, &__state);
1148 do_narrow(wchar_t __wc, char __dfault) const
1150 int __c = wctob(__wc);
1151 return (__c == EOF ? __dfault : static_cast<char>(__c));
1156 do_narrow(const wchar_t* __lo, const wchar_t* __hi, char __dfault,
1160 memset(static_cast<void*>(&__state), 0, sizeof(mbstate_t));
1161 size_t __len = __hi - __lo;
1162 size_t __conv = wcsrtombs(__dest, &__lo, __len, &__state);
1163 if (__conv == __len)
1169 ctype_byname<wchar_t>::
1170 ctype_byname(const char* /*__s*/, size_t __refs)
1171 : ctype<wchar_t>(__refs) { }
1172 #endif // _GLIBCPP_USE_WCHAR_T