locale_facets.tcc

00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // You should have received a copy of the GNU General Public License along
00018 // with this library; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00020 // USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 // Warning: this file is not meant for user inclusion. Use <locale>.
00032 
00033 #ifndef _CPP_BITS_LOCFACETS_TCC
00034 #define _CPP_BITS_LOCFACETS_TCC 1
00035 
00036 #pragma GCC system_header
00037 
00038 #include <cerrno>
00039 #include <clocale>          // For localeconv
00040 #include <cstdlib>          // For strof, strtold
00041 #include <cmath>            // For ceil
00042 #include <cctype>           // For isspace
00043 #include <limits>           // For numeric_limits
00044 #include <typeinfo>         // For bad_cast.
00045 #include <bits/streambuf_iterator.h>
00046 
00047 namespace std
00048 {
00049   template<typename _Facet>
00050     locale
00051     locale::combine(const locale& __other) const
00052     {
00053       _Impl* __tmp = new _Impl(*_M_impl, 1);
00054       try
00055     {
00056       __tmp->_M_replace_facet(__other._M_impl, &_Facet::id);
00057     }
00058       catch(...)
00059     {
00060       __tmp->_M_remove_reference();
00061       __throw_exception_again;
00062     }
00063       return locale(__tmp);
00064     }
00065 
00066   template<typename _CharT, typename _Traits, typename _Alloc>
00067     bool
00068     locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1,
00069                        const basic_string<_CharT, _Traits, _Alloc>& __s2) const
00070     {
00071       typedef std::collate<_CharT> __collate_type;
00072       const __collate_type& __collate = use_facet<__collate_type>(*this);
00073       return (__collate.compare(__s1.data(), __s1.data() + __s1.length(),
00074                 __s2.data(), __s2.data() + __s2.length()) < 0);
00075     }
00076 
00077   template<typename _Facet>
00078     const _Facet&
00079     use_facet(const locale& __loc)
00080     {
00081       size_t __i = _Facet::id._M_id();
00082       locale::facet** __facets = __loc._M_impl->_M_facets;
00083       if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i]))
00084         __throw_bad_cast();
00085       return static_cast<const _Facet&>(*__facets[__i]);
00086     }
00087 
00088   template<typename _Facet>
00089     bool
00090     has_facet(const locale& __loc) throw()
00091     {
00092       size_t __i = _Facet::id._M_id();
00093       locale::facet** __facets = __loc._M_impl->_M_facets;
00094       return (__i < __loc._M_impl->_M_facets_size && __facets[__i]);
00095     }
00096 
00097   // Routine to access a cache for the locale.  If the cache didn't
00098   // exist before, it gets constructed on the fly.
00099   template<typename _Facet>
00100     inline const __locale_cache<_Facet>&
00101     __use_cache(const locale& __loc)
00102     {
00103       size_t __i = _Facet::id._M_id();
00104       if (__builtin_expect(__i >= __loc._M_impl->_M_facets_size,false))
00105     __throw_bad_cast();
00106       __locale_cache_base* __cache = __loc._M_impl->_M_get_cache(__i);
00107       if (__builtin_expect(!__cache, false))
00108     {
00109       __cache = new __locale_cache<_Facet>(__loc);
00110       __loc._M_impl->_M_install_cache(__cache, __i);
00111     }
00112       return static_cast<const __locale_cache<_Facet>&>(*__cache);
00113     }
00114 
00115   // Stage 1: Determine a conversion specifier.
00116   template<typename _CharT, typename _InIter>
00117     _InIter
00118     num_get<_CharT, _InIter>::
00119     _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
00120              ios_base::iostate& __err, string& __xtrc) const
00121     {
00122       typedef char_traits<_CharT>       __traits_type;
00123       const locale __loc = __io.getloc();
00124       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
00125       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
00126 
00127       // First check for sign.
00128       const char_type __plus = __ctype.widen('+');
00129       const char_type __minus = __ctype.widen('-');
00130       int __pos = 0;
00131       char_type  __c = *__beg;
00132       if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
00133       && __beg != __end)
00134     {
00135       __xtrc += __ctype.narrow(__c, char());
00136       ++__pos;
00137       __c = *(++__beg);
00138     }
00139 
00140       // Next, strip leading zeros.
00141       const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
00142       bool __found_zero = false;
00143       while (__traits_type::eq(__c, __zero) && __beg != __end)
00144     {
00145       __c = *(++__beg);
00146       __found_zero = true;
00147     }
00148       if (__found_zero)
00149     {
00150       __xtrc += _S_atoms_in[_M_zero];
00151       ++__pos;
00152     }
00153 
00154       // Only need acceptable digits for floating point numbers.
00155       const size_t __len = _M_E - _M_zero + 1;
00156       char_type  __watoms[__len];
00157       __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
00158       bool __found_dec = false;
00159       bool __found_sci = false;
00160       const char_type __dec = __np.decimal_point();
00161 
00162       string __found_grouping;
00163       const string __grouping = __np.grouping();
00164       bool __check_grouping = __grouping.size();
00165       int __sep_pos = 0;
00166       const char_type __sep = __np.thousands_sep();
00167 
00168       while (__beg != __end)
00169         {
00170       // Only look in digits.
00171           const char_type* __p = __traits_type::find(__watoms, 10,  __c);
00172 
00173           // NB: strchr returns true for __c == 0x0
00174           if (__p && !__traits_type::eq(__c, char_type()))
00175         {
00176           // Try first for acceptable digit; record it if found.
00177           ++__pos;
00178           __xtrc += _S_atoms_in[__p - __watoms];
00179           ++__sep_pos;
00180           __c = *(++__beg);
00181         }
00182           else if (__traits_type::eq(__c, __sep) 
00183            && __check_grouping && !__found_dec)
00184         {
00185               // NB: Thousands separator at the beginning of a string
00186               // is a no-no, as is two consecutive thousands separators.
00187               if (__sep_pos)
00188                 {
00189                   __found_grouping += static_cast<char>(__sep_pos);
00190                   __sep_pos = 0;
00191           __c = *(++__beg);
00192                 }
00193               else
00194         {
00195           __err |= ios_base::failbit;
00196           break;
00197         }
00198             }
00199       else if (__traits_type::eq(__c, __dec) && !__found_dec)
00200         {
00201           // According to the standard, if no grouping chars are seen,
00202           // no grouping check is applied. Therefore __found_grouping
00203           // must be adjusted only if __dec comes after some __sep.
00204           if (__found_grouping.size())
00205         __found_grouping += static_cast<char>(__sep_pos);
00206           ++__pos;
00207           __xtrc += '.';
00208           __c = *(++__beg);
00209           __found_dec = true;
00210         }
00211       else if ((__traits_type::eq(__c, __watoms[_M_e]) 
00212             || __traits_type::eq(__c, __watoms[_M_E])) 
00213            && !__found_sci && __pos)
00214         {
00215           // Scientific notation.
00216           ++__pos;
00217           __xtrc += __ctype.narrow(__c, char());
00218           __c = *(++__beg);
00219 
00220           // Remove optional plus or minus sign, if they exist.
00221           if (__traits_type::eq(__c, __plus) 
00222           || __traits_type::eq(__c, __minus))
00223         {
00224           ++__pos;
00225           __xtrc += __ctype.narrow(__c, char());
00226           __c = *(++__beg);
00227         }
00228           __found_sci = true;
00229         }
00230       else
00231         // Not a valid input item.
00232         break;
00233         }
00234 
00235       // Digit grouping is checked. If grouping and found_grouping don't
00236       // match, then get very very upset, and set failbit.
00237       if (__check_grouping && __found_grouping.size())
00238         {
00239           // Add the ending grouping if a decimal wasn't found.
00240       if (!__found_dec)
00241         __found_grouping += static_cast<char>(__sep_pos);
00242           if (!__verify_grouping(__grouping, __found_grouping))
00243         __err |= ios_base::failbit;
00244         }
00245 
00246       // Finish up
00247       __xtrc += char();
00248       if (__beg == __end)
00249         __err |= ios_base::eofbit;
00250       return __beg;
00251     }
00252 
00253   // Stage 1: Determine a conversion specifier.
00254   template<typename _CharT, typename _InIter>
00255     _InIter
00256     num_get<_CharT, _InIter>::
00257     _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
00258            ios_base::iostate& __err, string& __xtrc, int& __base) const
00259     {
00260       typedef char_traits<_CharT>       __traits_type;
00261       const locale __loc = __io.getloc();
00262       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
00263       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
00264  
00265       // NB: Iff __basefield == 0, this can change based on contents.
00266       ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield;
00267       if (__basefield == ios_base::oct)
00268         __base = 8;
00269       else if (__basefield == ios_base::hex)
00270         __base = 16;
00271       else
00272     __base = 10;
00273 
00274       // First check for sign.
00275       int __pos = 0;
00276       char_type  __c = *__beg;
00277       const char_type __plus = __ctype.widen('+');
00278       const char_type __minus = __ctype.widen('-');
00279 
00280       if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus))
00281       && __beg != __end)
00282     {
00283       __xtrc += __ctype.narrow(__c, char());
00284       ++__pos;
00285       __c = *(++__beg);
00286     }
00287 
00288       // Next, strip leading zeros and check required digits for base formats.
00289       const char_type __zero = __ctype.widen(_S_atoms_in[_M_zero]);
00290       const char_type __x = __ctype.widen('x');
00291       const char_type __X = __ctype.widen('X');
00292       if (__base == 10)
00293     {
00294       bool __found_zero = false;
00295       while (__traits_type::eq(__c, __zero) && __beg != __end)
00296         {
00297           __c = *(++__beg);
00298           __found_zero = true;
00299         }
00300       if (__found_zero)
00301         {
00302           __xtrc += _S_atoms_in[_M_zero];
00303           ++__pos;
00304           if (__basefield == 0)
00305         {         
00306           if ((__traits_type::eq(__c, __x) 
00307                || __traits_type::eq(__c, __X))
00308               && __beg != __end)
00309             {
00310               __xtrc += __ctype.narrow(__c, char());
00311               ++__pos;
00312               __c = *(++__beg);
00313               __base = 16;
00314             }
00315           else 
00316             __base = 8;
00317         }
00318         }
00319     }
00320       else if (__base == 16)
00321     {
00322       if (__traits_type::eq(__c, __zero) && __beg != __end)
00323         {
00324           __xtrc += _S_atoms_in[_M_zero];
00325           ++__pos;
00326           __c = *(++__beg); 
00327           if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X))
00328           && __beg != __end)
00329         {
00330           __xtrc += __ctype.narrow(__c, char());
00331           ++__pos;
00332           __c = *(++__beg);
00333         }
00334         }
00335     }
00336 
00337       // At this point, base is determined. If not hex, only allow
00338       // base digits as valid input.
00339       size_t __len;
00340       if (__base == 16)
00341     __len = _M_size;
00342       else
00343     __len = __base;
00344 
00345       // Extract.
00346       char_type __watoms[_M_size];
00347       __ctype.widen(_S_atoms_in, _S_atoms_in + __len, __watoms);
00348       string __found_grouping;
00349       const string __grouping = __np.grouping();
00350       bool __check_grouping = __grouping.size();
00351       int __sep_pos = 0;
00352       const char_type __sep = __np.thousands_sep();
00353       while (__beg != __end)
00354         {
00355           const char_type* __p = __traits_type::find(__watoms, __len,  __c);
00356 
00357           // NB: strchr returns true for __c == 0x0
00358           if (__p && !__traits_type::eq(__c, char_type()))
00359         {
00360           // Try first for acceptable digit; record it if found.
00361           __xtrc += _S_atoms_in[__p - __watoms];
00362           ++__pos;
00363           ++__sep_pos;
00364           __c = *(++__beg);
00365         }
00366           else if (__traits_type::eq(__c, __sep) && __check_grouping)
00367         {
00368               // NB: Thousands separator at the beginning of a string
00369               // is a no-no, as is two consecutive thousands separators.
00370               if (__sep_pos)
00371                 {
00372                   __found_grouping += static_cast<char>(__sep_pos);
00373                   __sep_pos = 0;
00374           __c = *(++__beg);
00375                 }
00376               else
00377         {
00378           __err |= ios_base::failbit;
00379           break;
00380         }
00381             }
00382       else
00383         // Not a valid input item.
00384         break;
00385         }
00386 
00387       // Digit grouping is checked. If grouping and found_grouping don't
00388       // match, then get very very upset, and set failbit.
00389       if (__check_grouping && __found_grouping.size())
00390         {
00391           // Add the ending grouping.
00392           __found_grouping += static_cast<char>(__sep_pos);
00393           if (!__verify_grouping(__grouping, __found_grouping))
00394         __err |= ios_base::failbit;
00395         }
00396 
00397       // Finish up.
00398       __xtrc += char();
00399       if (__beg == __end)
00400         __err |= ios_base::eofbit;
00401       return __beg;
00402     }
00403 
00404 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00405   //17.  Bad bool parsing
00406   template<typename _CharT, typename _InIter>
00407     _InIter
00408     num_get<_CharT, _InIter>::
00409     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00410            ios_base::iostate& __err, bool& __v) const
00411     {
00412       // Parse bool values as unsigned long
00413       if (!(__io.flags() & ios_base::boolalpha))
00414         {
00415           // NB: We can't just call do_get(long) here, as it might
00416           // refer to a derived class.
00417           string __xtrc;
00418           int __base;
00419           __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00420 
00421       unsigned long __ul; 
00422       __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
00423       if (!(__err & ios_base::failbit) && __ul <= 1)
00424         __v = __ul;
00425       else 
00426             __err |= ios_base::failbit;
00427         }
00428 
00429       // Parse bool values as alphanumeric
00430       else
00431         {
00432       typedef char_traits<_CharT>           __traits_type;
00433       typedef basic_string<_CharT>      __string_type;
00434 
00435           locale __loc = __io.getloc();
00436       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); 
00437       const __string_type __true = __np.truename();
00438       const __string_type __false = __np.falsename();
00439           const char_type* __trues = __true.c_str();
00440           const char_type* __falses = __false.c_str();
00441           const size_t __truen =  __true.size() - 1;
00442           const size_t __falsen =  __false.size() - 1;
00443 
00444           for (size_t __n = 0; __beg != __end; ++__n)
00445             {
00446               char_type __c = *__beg++;
00447               bool __testf = __n <= __falsen 
00448                      ? __traits_type::eq(__c, __falses[__n]) : false;
00449               bool __testt = __n <= __truen 
00450                      ? __traits_type::eq(__c, __trues[__n]) : false;
00451               if (!(__testf || __testt))
00452                 {
00453                   __err |= ios_base::failbit;
00454                   break;
00455                 }
00456               else if (__testf && __n == __falsen)
00457                 {
00458                   __v = 0;
00459                   break;
00460                 }
00461               else if (__testt && __n == __truen)
00462                 {
00463                   __v = 1;
00464                   break;
00465                 }
00466             }
00467           if (__beg == __end)
00468             __err |= ios_base::eofbit;
00469         }
00470       return __beg;
00471     }
00472 #endif
00473 
00474   template<typename _CharT, typename _InIter>
00475     _InIter
00476     num_get<_CharT, _InIter>::
00477     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00478            ios_base::iostate& __err, long& __v) const
00479     {
00480       string __xtrc;
00481       int __base;
00482       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00483       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
00484       return __beg;
00485     }
00486 
00487   template<typename _CharT, typename _InIter>
00488     _InIter
00489     num_get<_CharT, _InIter>::
00490     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00491            ios_base::iostate& __err, unsigned short& __v) const
00492     {
00493       string __xtrc;
00494       int __base;
00495       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00496       unsigned long __ul;
00497       __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
00498       if (!(__err & ios_base::failbit) 
00499       && __ul <= numeric_limits<unsigned short>::max())
00500     __v = static_cast<unsigned short>(__ul);
00501       else 
00502     __err |= ios_base::failbit;
00503       return __beg;
00504     }
00505 
00506   template<typename _CharT, typename _InIter>
00507     _InIter
00508     num_get<_CharT, _InIter>::
00509     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00510            ios_base::iostate& __err, unsigned int& __v) const
00511     {
00512       string __xtrc;
00513       int __base;
00514       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00515       unsigned long __ul;
00516       __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
00517       if (!(__err & ios_base::failbit) 
00518       && __ul <= numeric_limits<unsigned int>::max())
00519     __v = static_cast<unsigned int>(__ul);
00520       else 
00521     __err |= ios_base::failbit;
00522       return __beg;
00523     }
00524 
00525   template<typename _CharT, typename _InIter>
00526     _InIter
00527     num_get<_CharT, _InIter>::
00528     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00529            ios_base::iostate& __err, unsigned long& __v) const
00530     {
00531       string __xtrc;
00532       int __base;
00533       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00534       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
00535       return __beg;
00536     }
00537 
00538 #ifdef _GLIBCPP_USE_LONG_LONG
00539   template<typename _CharT, typename _InIter>
00540     _InIter
00541     num_get<_CharT, _InIter>::
00542     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00543            ios_base::iostate& __err, long long& __v) const
00544     {
00545       string __xtrc;
00546       int __base;
00547       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00548       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
00549       return __beg;
00550     }
00551 
00552   template<typename _CharT, typename _InIter>
00553     _InIter
00554     num_get<_CharT, _InIter>::
00555     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00556            ios_base::iostate& __err, unsigned long long& __v) const
00557     {
00558       string __xtrc;
00559       int __base;
00560       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00561       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base);
00562       return __beg;
00563     }
00564 #endif
00565 
00566   template<typename _CharT, typename _InIter>
00567     _InIter
00568     num_get<_CharT, _InIter>::
00569     do_get(iter_type __beg, iter_type __end, ios_base& __io, 
00570        ios_base::iostate& __err, float& __v) const
00571     {
00572       string __xtrc;
00573       __xtrc.reserve(32);
00574       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00575       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
00576       return __beg;
00577     }
00578 
00579   template<typename _CharT, typename _InIter>
00580     _InIter
00581     num_get<_CharT, _InIter>::
00582     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00583            ios_base::iostate& __err, double& __v) const
00584     {
00585       string __xtrc;
00586       __xtrc.reserve(32);
00587       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00588       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
00589       return __beg;
00590     }
00591 
00592   template<typename _CharT, typename _InIter>
00593     _InIter
00594     num_get<_CharT, _InIter>::
00595     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00596            ios_base::iostate& __err, long double& __v) const
00597     {
00598       string __xtrc;
00599       __xtrc.reserve(32);
00600       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00601       __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale);
00602       return __beg;
00603     }
00604 
00605   template<typename _CharT, typename _InIter>
00606     _InIter
00607     num_get<_CharT, _InIter>::
00608     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00609            ios_base::iostate& __err, void*& __v) const
00610     {
00611       // Prepare for hex formatted input
00612       typedef ios_base::fmtflags        fmtflags;
00613       fmtflags __fmt = __io.flags();
00614       fmtflags __fmtmask = ~(ios_base::showpos | ios_base::basefield
00615                              | ios_base::uppercase | ios_base::internal);
00616       __io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase));
00617 
00618       string __xtrc;
00619       int __base;
00620       __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base);
00621 
00622       // Reset from hex formatted input
00623       __io.flags(__fmt);
00624 
00625       unsigned long __ul;
00626       __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base);
00627       if (!(__err & ios_base::failbit))
00628     __v = reinterpret_cast<void*>(__ul);
00629       else 
00630     __err |= ios_base::failbit;
00631       return __beg;
00632     }
00633 
00634   // For use by integer and floating-point types after they have been
00635   // converted into a char_type string.
00636   template<typename _CharT, typename _OutIter>
00637     void
00638     num_put<_CharT, _OutIter>::
00639     _M_pad(_CharT __fill, streamsize __w, ios_base& __io, 
00640        _CharT* __new, const _CharT* __cs, int& __len) const
00641     {
00642       // [22.2.2.2.2] Stage 3.
00643       // If necessary, pad.
00644       __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new, __cs, 
00645                           __w, __len, true);
00646       __len = static_cast<int>(__w);
00647     }
00648 
00649   // Forwarding functions to peel signed from unsigned integer types.
00650   template<typename _CharT>
00651     inline int
00652     __int_to_char(_CharT* __out, const int __size, long __v,
00653                const _CharT* __lit, ios_base::fmtflags __flags)
00654     {
00655       unsigned long __ul = static_cast<unsigned long>(__v);
00656       bool __neg = false;
00657       if (__v < 0) 
00658     {
00659       __ul = -__ul;
00660       __neg = true;
00661     }
00662       return __int_to_char(__out, __size, __ul, __lit, __flags, __neg); 
00663     }
00664 
00665   template<typename _CharT>
00666     inline int
00667     __int_to_char(_CharT* __out, const int __size, unsigned long __v,
00668                const _CharT* __lit, ios_base::fmtflags __flags)
00669     { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
00670 
00671 #ifdef _GLIBCPP_USE_LONG_LONG
00672   template<typename _CharT>
00673     inline int
00674     __int_to_char(_CharT* __out, const int __size, long long __v,
00675                const _CharT* __lit, ios_base::fmtflags __flags)
00676     { 
00677       unsigned long long __ull = static_cast<unsigned long long>(__v);
00678       bool __neg = false;
00679       if (__v < 0) 
00680     {
00681       __ull = -__ull;
00682       __neg = true;
00683     }
00684       return __int_to_char(__out, __size, __ull, __lit, __flags, __neg); 
00685     }
00686 
00687   template<typename _CharT>
00688     inline int
00689     __int_to_char(_CharT* __out, const int __size, unsigned long long __v,
00690                const _CharT* __lit, ios_base::fmtflags __flags)
00691     { return __int_to_char(__out, __size, __v, __lit, __flags, false); }
00692 #endif
00693       
00694   template<typename _CharT, typename _ValueT>
00695     int
00696     __int_to_char(_CharT* __out, const int __size, _ValueT __v,
00697           const _CharT* __lit, ios_base::fmtflags __flags, bool __neg)
00698     {
00699       // Don't write base if already 0.
00700       const bool __showbase = (__flags & ios_base::showbase) && __v;
00701       const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
00702       _CharT* __buf = __out + __size - 1;
00703       _CharT* __bufend = __out + __size;
00704 
00705       if (__builtin_expect(__basefield != ios_base::oct &&
00706                __basefield != ios_base::hex, true))
00707     {
00708       // Decimal.
00709       do 
00710         {
00711           *__buf-- = __lit[(__v % 10) + __num_base::_S_digits];
00712           __v /= 10;
00713         } 
00714       while (__v != 0);
00715       if (__neg)
00716         *__buf-- = __lit[__num_base::_S_minus];
00717       else if (__flags & ios_base::showpos)
00718         *__buf-- = __lit[__num_base::_S_plus];
00719     }
00720       else if (__basefield == ios_base::oct)
00721     {
00722       // Octal.
00723       do 
00724         {
00725           *__buf-- = __lit[(__v & 0x7) + __num_base::_S_digits];
00726           __v >>= 3;
00727         } 
00728       while (__v != 0);
00729       if (__showbase)
00730         *__buf-- = __lit[__num_base::_S_digits];
00731     }
00732       else
00733     {
00734       // Hex.
00735       const bool __uppercase = __flags & ios_base::uppercase;
00736       int __case_offset = __uppercase
00737                           ? __num_base::_S_udigits : __num_base::_S_digits;
00738       do 
00739         {
00740           *__buf-- = __lit[(__v & 0xf) + __case_offset];
00741           __v >>= 4;
00742         } 
00743       while (__v != 0);
00744       if (__showbase)
00745         {
00746           // 'x' or 'X'
00747           *__buf-- = __lit[__num_base::_S_x + __uppercase];
00748           // '0'
00749           *__buf-- = __lit[__num_base::_S_digits];
00750         }
00751     }
00752       int __ret = __bufend - __buf - 1;
00753       return __ret;
00754     }
00755 
00756   template<typename _CharT, typename _OutIter>
00757     void
00758     num_put<_CharT, _OutIter>::
00759     _M_group_int(const string& __grouping, _CharT __sep, ios_base& __io, 
00760          _CharT* __new, _CharT* __cs, int& __len) const
00761     {
00762       // By itself __add_grouping cannot deal correctly with __ws when
00763       // ios::showbase is set and ios_base::oct || ios_base::hex.
00764       // Therefore we take care "by hand" of the initial 0, 0x or 0X.
00765       // However, remember that the latter do not occur if the number
00766       // printed is '0' (__len == 1).
00767       streamsize __off = 0;
00768       const ios_base::fmtflags __basefield = __io.flags() 
00769                                          & ios_base::basefield;
00770       if ((__io.flags() & ios_base::showbase) && __len > 1)
00771     if (__basefield == ios_base::oct)
00772       {
00773         __off = 1;
00774         *__new = *__cs;
00775       }
00776     else if (__basefield == ios_base::hex)
00777       {
00778         __off = 2;
00779         *__new = *__cs;
00780         *(__new + 1) = *(__cs + 1);
00781       }
00782       _CharT* __p;
00783       __p = __add_grouping(__new + __off, __sep, 
00784                __grouping.c_str(),
00785                __grouping.c_str() + __grouping.size(),
00786                __cs + __off, __cs + __len);
00787       __len = __p - __new;
00788     }
00789 
00790   template<typename _CharT, typename _OutIter>
00791     template<typename _ValueT>
00792       _OutIter
00793       num_put<_CharT, _OutIter>::
00794       _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, 
00795              _ValueT __v) const
00796       {
00797     typedef numpunct<_CharT>  __facet_type;
00798     typedef __locale_cache<numpunct<_CharT> > __cache_type;
00799     const locale& __loc = __io._M_getloc();
00800     const __cache_type& __lc = __use_cache<__facet_type>(__loc);
00801     const _CharT* __lit = __lc._M_atoms_out;
00802 
00803     // Long enough to hold hex, dec, and octal representations.
00804     int __ilen = 4 * sizeof(_ValueT);
00805     _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
00806                                  * __ilen));
00807     // [22.2.2.2.2] Stage 1, numeric conversion to character.
00808     // Result is returned right-justified in the buffer.
00809     int __len;
00810     __len = __int_to_char(&__cs[0], __ilen, __v, __lit, __io.flags());
00811     __cs = __cs + __ilen - __len;
00812     
00813     // Add grouping, if necessary. 
00814     _CharT* __cs2;
00815     if (__lc._M_use_grouping)
00816       {
00817         // Grouping can add (almost) as many separators as the
00818         // number of digits, but no more.
00819         __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
00820                               * __len * 2));
00821         _M_group_int(__lc._M_grouping, __lc._M_thousands_sep, __io, 
00822              __cs2, __cs, __len);
00823         __cs = __cs2;
00824       }
00825     
00826     // Pad.
00827     _CharT* __cs3;
00828     streamsize __w = __io.width();
00829     if (__w > static_cast<streamsize>(__len))
00830       {
00831         __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
00832                               * __w));
00833         _M_pad(__fill, __w, __io, __cs3, __cs, __len);
00834         __cs = __cs3;
00835       }
00836     __io.width(0);
00837 
00838     // [22.2.2.2.2] Stage 4.
00839     // Write resulting, fully-formatted string to output iterator.
00840     return __write(__s, __cs, __len);
00841       } 
00842 
00843   template<typename _CharT, typename _OutIter>
00844     void
00845     num_put<_CharT, _OutIter>::
00846     _M_group_float(const string& __grouping, _CharT __sep, const _CharT* __p, 
00847            _CharT* __new, _CharT* __cs, int& __len) const
00848     {
00849 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
00850       //282. What types does numpunct grouping refer to?
00851       // Add grouping, if necessary. 
00852       _CharT* __p2;
00853       int __declen = __p ? __p - __cs : __len;
00854       __p2 = __add_grouping(__new, __sep, 
00855                 __grouping.c_str(),
00856                 __grouping.c_str() + __grouping.size(),
00857                 __cs, __cs + __declen);
00858       
00859       // Tack on decimal part.
00860       int __newlen = __p2 - __new;
00861       if (__p)
00862     {
00863       char_traits<_CharT>::copy(__p2, __p, __len - __declen);
00864       __newlen += __len - __declen;
00865     }    
00866       __len = __newlen;
00867 #endif
00868     }
00869 
00870   // The following code uses snprintf (or sprintf(), when
00871   // _GLIBCPP_USE_C99 is not defined) to convert floating point values
00872   // for insertion into a stream.  An optimization would be to replace
00873   // them with code that works directly on a wide buffer and then use
00874   // __pad to do the padding.  It would be good to replace them anyway
00875   // to gain back the efficiency that C++ provides by knowing up front
00876   // the type of the values to insert.  Also, sprintf is dangerous
00877   // since may lead to accidental buffer overruns.  This
00878   // implementation follows the C++ standard fairly directly as
00879   // outlined in 22.2.2.2 [lib.locale.num.put]
00880   template<typename _CharT, typename _OutIter>
00881     template<typename _ValueT>
00882       _OutIter
00883       num_put<_CharT, _OutIter>::
00884       _M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
00885                _ValueT __v) const
00886       {
00887     // Note: digits10 is rounded down: add 1 to ensure the maximum
00888     // available precision.  Then, in general, one more 1 needs to
00889     // be added since, when the %{g,G} conversion specifiers are
00890     // chosen inside _S_format_float, the precision field is "the
00891     // maximum number of significant digits", *not* the "number of
00892     // digits to appear after the decimal point", as happens for
00893     // %{e,E,f,F} (C99, 7.19.6.1,4).
00894     const int __max_digits = numeric_limits<_ValueT>::digits10 + 2;
00895 
00896     // Use default precision if out of range.
00897     streamsize __prec = __io.precision();
00898     if (__prec > static_cast<streamsize>(__max_digits))
00899       __prec = static_cast<streamsize>(__max_digits);
00900     else if (__prec < static_cast<streamsize>(0))
00901       __prec = static_cast<streamsize>(6);
00902 
00903     typedef numpunct<_CharT>  __facet_type;
00904     typedef __locale_cache<numpunct<_CharT> > __cache_type;
00905     const locale __loc = __io._M_getloc();
00906     const __cache_type& __lc = __use_cache<__facet_type>(__loc);
00907 
00908     // [22.2.2.2.2] Stage 1, numeric conversion to character.
00909     int __len;
00910     // Long enough for the max format spec.
00911     char __fbuf[16];
00912 
00913 #ifdef _GLIBCPP_USE_C99
00914     // First try a buffer perhaps big enough (for sure sufficient
00915     // for non-ios_base::fixed outputs)
00916     int __cs_size = __max_digits * 3;
00917     char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
00918 
00919     _S_format_float(__io, __fbuf, __mod, __prec);
00920     __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
00921                  _S_c_locale, __prec);
00922 
00923     // If the buffer was not large enough, try again with the correct size.
00924     if (__len >= __cs_size)
00925       {
00926         __cs_size = __len + 1; 
00927         __cs = static_cast<char*>(__builtin_alloca(__cs_size));
00928         __len = __convert_from_v(__cs, __cs_size, __fbuf, __v,
00929                      _S_c_locale, __prec);
00930       }
00931 #else
00932     // Consider the possibility of long ios_base::fixed outputs
00933     const bool __fixed = __io.flags() & ios_base::fixed;
00934     const int __max_exp = numeric_limits<_ValueT>::max_exponent10;
00935 
00936     // ios_base::fixed outputs may need up to __max_exp+1 chars
00937     // for the integer part + up to __max_digits chars for the
00938     // fractional part + 3 chars for sign, decimal point, '\0'. On
00939     // the other hand, for non-fixed outputs __max_digits*3 chars
00940     // are largely sufficient.
00941     const int __cs_size = __fixed ? __max_exp + __max_digits + 4 
00942                                   : __max_digits * 3;
00943     char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
00944 
00945     _S_format_float(__io, __fbuf, __mod, __prec);
00946     __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec);
00947 #endif
00948 
00949       // [22.2.2.2.2] Stage 2, convert to char_type, using correct
00950       // numpunct.decimal_point() values for '.' and adding grouping.
00951       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
00952 
00953       _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
00954                                * __len));
00955       __ctype.widen(__cs, __cs + __len, __ws);
00956       
00957       // Replace decimal point.
00958       const _CharT __cdec = __ctype.widen('.');
00959       const _CharT __dec = __lc._M_decimal_point;
00960       const _CharT* __p;
00961       if (__p = char_traits<_CharT>::find(__ws, __len, __cdec))
00962     __ws[__p - __ws] = __dec;
00963 
00964       // Add grouping, if necessary. 
00965       _CharT* __ws2;
00966       if (__lc._M_use_grouping)
00967     {
00968         // Grouping can add (almost) as many separators as the
00969         // number of digits, but no more.
00970         __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
00971                               * __len * 2));
00972         _M_group_float(__lc._M_grouping, __lc._M_thousands_sep, __p,
00973                __ws2, __ws, __len);
00974         __ws = __ws2;
00975     }
00976 
00977       // Pad.
00978       _CharT* __ws3;
00979       streamsize __w = __io.width();
00980       if (__w > static_cast<streamsize>(__len))
00981     {
00982       __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __w));
00983       _M_pad(__fill, __w, __io, __ws3, __ws, __len);
00984       __ws = __ws3;
00985     }
00986       __io.width(0);
00987       
00988       // [22.2.2.2.2] Stage 4.
00989       // Write resulting, fully-formatted string to output iterator.
00990       return __write(__s, __ws, __len);
00991       }
00992 
00993   template<typename _CharT, typename _OutIter>
00994     _OutIter
00995     num_put<_CharT, _OutIter>::
00996     do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
00997     {
00998       ios_base::fmtflags __flags = __io.flags();
00999       if ((__flags & ios_base::boolalpha) == 0)
01000         {
01001           unsigned long __uv = __v;
01002           __s = _M_convert_int(__s, __io, __fill, __uv);
01003         }
01004       else
01005         {
01006       typedef numpunct<_CharT>  __facet_type;
01007       typedef __locale_cache<numpunct<_CharT> > __cache_type;
01008       const locale __loc = __io._M_getloc();
01009       const __cache_type& __lc = __use_cache<__facet_type>(__loc);
01010 
01011       typedef basic_string<_CharT>  __string_type;
01012       __string_type __name;
01013           if (__v)
01014         __name = __lc._M_truename;
01015           else
01016         __name = __lc._M_falsename;
01017 
01018       const _CharT* __cs = __name.c_str();
01019       int __len = __name.size();
01020       _CharT* __cs3;
01021       streamsize __w = __io.width();
01022       if (__w > static_cast<streamsize>(__len))
01023         {
01024           __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
01025                                 * __w));
01026           _M_pad(__fill, __w, __io, __cs3, __cs, __len);
01027           __cs = __cs3;
01028         }
01029       __io.width(0);
01030       __s = __write(__s, __cs, __len);
01031     }
01032       return __s;
01033     }
01034 
01035   template<typename _CharT, typename _OutIter>
01036     _OutIter
01037     num_put<_CharT, _OutIter>::
01038     do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const
01039     { return _M_convert_int(__s, __io, __fill, __v); }
01040 
01041   template<typename _CharT, typename _OutIter>
01042     _OutIter
01043     num_put<_CharT, _OutIter>::
01044     do_put(iter_type __s, ios_base& __io, char_type __fill,
01045            unsigned long __v) const
01046     { return _M_convert_int(__s, __io, __fill, __v); }
01047 
01048 #ifdef _GLIBCPP_USE_LONG_LONG
01049   template<typename _CharT, typename _OutIter>
01050     _OutIter
01051     num_put<_CharT, _OutIter>::
01052     do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const
01053     { return _M_convert_int(__s, __b, __fill, __v); }
01054 
01055   template<typename _CharT, typename _OutIter>
01056     _OutIter
01057     num_put<_CharT, _OutIter>::
01058     do_put(iter_type __s, ios_base& __io, char_type __fill,
01059            unsigned long long __v) const
01060     { return _M_convert_int(__s, __io, __fill, __v); }
01061 #endif
01062 
01063   template<typename _CharT, typename _OutIter>
01064     _OutIter
01065     num_put<_CharT, _OutIter>::
01066     do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
01067     { return _M_convert_float(__s, __io, __fill, char(), __v); }
01068 
01069   template<typename _CharT, typename _OutIter>
01070     _OutIter
01071     num_put<_CharT, _OutIter>::
01072     do_put(iter_type __s, ios_base& __io, char_type __fill, 
01073        long double __v) const
01074     { return _M_convert_float(__s, __io, __fill, 'L', __v); }
01075 
01076   template<typename _CharT, typename _OutIter>
01077     _OutIter
01078     num_put<_CharT, _OutIter>::
01079     do_put(iter_type __s, ios_base& __io, char_type __fill,
01080            const void* __v) const
01081     {
01082       ios_base::fmtflags __flags = __io.flags();
01083       ios_base::fmtflags __fmt = ~(ios_base::showpos | ios_base::basefield
01084                    | ios_base::uppercase | ios_base::internal);
01085       __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase));
01086       try 
01087     {
01088       __s = _M_convert_int(__s, __io, __fill, 
01089                    reinterpret_cast<unsigned long>(__v));
01090       __io.flags(__flags);
01091     }
01092       catch (...) 
01093     {
01094       __io.flags(__flags);
01095       __throw_exception_again;
01096     }
01097       return __s;
01098     }
01099 
01100 
01101   template<typename _CharT, typename _InIter>
01102     _InIter
01103     money_get<_CharT, _InIter>::
01104     do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, 
01105        ios_base::iostate& __err, long double& __units) const
01106     { 
01107       string_type __str;
01108       __beg = this->do_get(__beg, __end, __intl, __io, __err, __str); 
01109 
01110       const int __cs_size = __str.size() + 1;
01111       char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01112       const locale __loc = __io.getloc();
01113       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
01114       const _CharT* __wcs = __str.c_str();
01115       __ctype.narrow(__wcs, __wcs + __cs_size, char(), __cs);      
01116       __convert_to_v(__cs, __units, __err, _S_c_locale);
01117       return __beg;
01118     }
01119 
01120   template<typename _CharT, typename _InIter>
01121     _InIter
01122     money_get<_CharT, _InIter>::
01123     do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, 
01124        ios_base::iostate& __err, string_type& __units) const
01125     { 
01126       // These contortions are quite unfortunate.
01127       typedef moneypunct<_CharT, true>      __money_true;
01128       typedef moneypunct<_CharT, false>     __money_false;
01129       typedef money_base::part          part;
01130       typedef typename string_type::size_type   size_type;
01131 
01132       const locale __loc = __io.getloc();
01133       const __money_true& __mpt = use_facet<__money_true>(__loc); 
01134       const __money_false& __mpf = use_facet<__money_false>(__loc); 
01135       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
01136 
01137       const money_base::pattern __p = __intl ? __mpt.neg_format() 
01138                          : __mpf.neg_format();
01139 
01140       const string_type __pos_sign =__intl ? __mpt.positive_sign() 
01141                        : __mpf.positive_sign();
01142       const string_type __neg_sign =__intl ? __mpt.negative_sign() 
01143                        : __mpf.negative_sign();
01144       const char_type __d = __intl ? __mpt.decimal_point() 
01145                            : __mpf.decimal_point();
01146       const char_type __sep = __intl ? __mpt.thousands_sep() 
01147                          : __mpf.thousands_sep();
01148 
01149       const string __grouping = __intl ? __mpt.grouping() : __mpf.grouping();
01150 
01151       // Set to deduced positive or negative sign, depending.
01152       string_type __sign;
01153       // String of grouping info from thousands_sep plucked from __units.
01154       string __grouping_tmp; 
01155       // Marker for thousands_sep position.
01156       int __sep_pos = 0;
01157       // If input iterator is in a valid state.
01158       bool __testvalid = true;
01159       // Flag marking when a decimal point is found.
01160       bool __testdecfound = false; 
01161 
01162       // The tentative returned string is stored here.
01163       string_type __temp_units;
01164 
01165       char_type __c = *__beg;
01166       char_type __eof = static_cast<char_type>(char_traits<char_type>::eof());
01167       for (int __i = 0; __beg != __end && __i < 4 && __testvalid; ++__i)
01168     {
01169       part __which = static_cast<part>(__p.field[__i]);
01170       switch (__which)
01171         {
01172         case money_base::symbol:
01173           if (__io.flags() & ios_base::showbase 
01174               || __i < 2 || __sign.size() > 1
01175               || ((static_cast<part>(__p.field[3]) != money_base::none)
01176               && __i == 2)) 
01177             {
01178               // According to 22.2.6.1.2.2, symbol is required
01179               // if (__io.flags() & ios_base::showbase),
01180               // otherwise is optional and consumed only if
01181               // other characters are needed to complete the
01182               // format.
01183               const string_type __symbol = __intl ? __mpt.curr_symbol()
01184                                  : __mpf.curr_symbol();
01185               size_type __len = __symbol.size();
01186               size_type __j = 0;
01187               while (__beg != __end 
01188                  && __j < __len && __symbol[__j] == __c)
01189             {
01190               __c = *(++__beg);
01191               ++__j;
01192             }
01193               // When (__io.flags() & ios_base::showbase)
01194               // symbol is required.
01195               if (__j != __len && (__io.flags() & ios_base::showbase))
01196             __testvalid = false;
01197             }
01198           break;
01199         case money_base::sign:          
01200           // Sign might not exist, or be more than one character long. 
01201           if (__pos_sign.size() && __neg_sign.size())
01202           {
01203             // Sign is mandatory.
01204             if (__c == __pos_sign[0])
01205               {
01206             __sign = __pos_sign;
01207             __c = *(++__beg);
01208               }
01209             else if (__c == __neg_sign[0])
01210               {
01211             __sign = __neg_sign;
01212             __c = *(++__beg);
01213               }
01214             else
01215               __testvalid = false;
01216           }
01217           else if (__pos_sign.size() && __c == __pos_sign[0])
01218             {
01219               __sign = __pos_sign;
01220               __c = *(++__beg);
01221             }
01222           else if (__neg_sign.size() && __c == __neg_sign[0])
01223             {
01224               __sign = __neg_sign;
01225               __c = *(++__beg);
01226             }
01227           break;
01228         case money_base::value:
01229           // Extract digits, remove and stash away the
01230           // grouping of found thousands separators.
01231           while (__beg != __end 
01232              && (__ctype.is(ctype_base::digit, __c) 
01233                  || (__c == __d && !__testdecfound)
01234                  || __c == __sep))
01235             {
01236               if (__c == __d)
01237             {
01238               __grouping_tmp += static_cast<char>(__sep_pos);
01239               __sep_pos = 0;
01240               __testdecfound = true;
01241             }
01242               else if (__c == __sep)
01243             {
01244               if (__grouping.size())
01245                 {
01246                   // Mark position for later analysis.
01247                   __grouping_tmp += static_cast<char>(__sep_pos);
01248                   __sep_pos = 0;
01249                 }
01250               else
01251                 {
01252                   __testvalid = false;
01253                   break;
01254                 }
01255             }
01256               else
01257             {
01258               __temp_units += __c;
01259               ++__sep_pos;
01260             }
01261               __c = *(++__beg);
01262             }
01263           break;
01264         case money_base::space:
01265         case money_base::none:
01266           // Only if not at the end of the pattern.
01267           if (__i != 3)
01268             while (__beg != __end 
01269                && __ctype.is(ctype_base::space, __c))
01270               __c = *(++__beg);
01271           break;
01272         }
01273     }
01274 
01275       // Need to get the rest of the sign characters, if they exist.
01276       if (__sign.size() > 1)
01277     {
01278       size_type __len = __sign.size();
01279       size_type __i = 1;
01280       for (; __c != __eof && __i < __len; ++__i)
01281         while (__beg != __end && __c != __sign[__i])
01282           __c = *(++__beg);
01283       
01284       if (__i != __len)
01285         __testvalid = false;
01286     }
01287 
01288       // Strip leading zeros.
01289       while (__temp_units.size() > 1 && __temp_units[0] == __ctype.widen('0'))
01290     __temp_units.erase(__temp_units.begin());
01291 
01292       if (__sign.size() && __sign == __neg_sign)
01293     __temp_units.insert(__temp_units.begin(), __ctype.widen('-'));
01294 
01295       // Test for grouping fidelity.
01296       if (__grouping.size() && __grouping_tmp.size())
01297     {
01298       if (!__verify_grouping(__grouping, __grouping_tmp))
01299         __testvalid = false;
01300     }
01301 
01302       // Iff no more characters are available.      
01303       if (__c == __eof)
01304     __err |= ios_base::eofbit;
01305 
01306       // Iff valid sequence is not recognized.
01307       if (!__testvalid || !__temp_units.size())
01308     __err |= ios_base::failbit;
01309       else
01310     // Use the "swap trick" to copy __temp_units into __units.
01311     __temp_units.swap(__units);
01312 
01313       return __beg; 
01314     }
01315 
01316   template<typename _CharT, typename _OutIter>
01317     _OutIter
01318     money_put<_CharT, _OutIter>::
01319     do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01320        long double __units) const
01321     { 
01322       const locale __loc = __io.getloc();
01323       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
01324 #ifdef _GLIBCPP_USE_C99
01325       // First try a buffer perhaps big enough.
01326       int __cs_size = 64;
01327       char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01328       int __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units, 
01329                    _S_c_locale);
01330       // If the buffer was not large enough, try again with the correct size.
01331       if (__len >= __cs_size)
01332     {
01333       __cs_size = __len + 1;
01334       __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01335       __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units, 
01336                    _S_c_locale);
01337     }
01338 #else
01339       // max_exponent10 + 1 for the integer part, + 4 for sign, decimal point,
01340       // decimal digit, '\0'. 
01341       const int __cs_size = numeric_limits<long double>::max_exponent10 + 5;
01342       char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01343       int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale);
01344 #endif
01345       _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
01346                                * __cs_size));
01347       __ctype.widen(__cs, __cs + __len, __ws);
01348       string_type __digits(__ws);
01349       return this->do_put(__s, __intl, __io, __fill, __digits); 
01350     }
01351 
01352   template<typename _CharT, typename _OutIter>
01353     _OutIter
01354     money_put<_CharT, _OutIter>::
01355     do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01356        const string_type& __digits) const
01357     { 
01358       typedef typename string_type::size_type   size_type;
01359       typedef money_base::part          part;
01360 
01361       const locale __loc = __io.getloc();
01362       const size_type __width = static_cast<size_type>(__io.width());
01363 
01364       // These contortions are quite unfortunate.
01365       typedef moneypunct<_CharT, true> __money_true;
01366       typedef moneypunct<_CharT, false> __money_false;
01367       const __money_true& __mpt = use_facet<__money_true>(__loc); 
01368       const __money_false& __mpf = use_facet<__money_false>(__loc); 
01369       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
01370 
01371       // Determine if negative or positive formats are to be used, and
01372       // discard leading negative_sign if it is present.
01373       const char_type* __beg = __digits.data();
01374       const char_type* __end = __beg + __digits.size();
01375       money_base::pattern __p;
01376       string_type __sign;
01377       if (*__beg != __ctype.widen('-'))
01378     {
01379       __p = __intl ? __mpt.pos_format() : __mpf.pos_format();
01380       __sign =__intl ? __mpt.positive_sign() : __mpf.positive_sign();
01381     }
01382       else
01383     {
01384       __p = __intl ? __mpt.neg_format() : __mpf.neg_format();
01385       __sign =__intl ? __mpt.negative_sign() : __mpf.negative_sign();
01386       ++__beg;
01387     }
01388       
01389       // Look for valid numbers in the current ctype facet within input digits.
01390       __end = __ctype.scan_not(ctype_base::digit, __beg, __end);
01391       if (__beg != __end)
01392     {
01393       // Assume valid input, and attempt to format.
01394       // Break down input numbers into base components, as follows:
01395       //   final_value = grouped units + (decimal point) + (digits)
01396       string_type __res;
01397       string_type __value;
01398       const string_type __symbol = __intl ? __mpt.curr_symbol() 
01399                               : __mpf.curr_symbol();
01400 
01401       // Deal with decimal point, decimal digits.
01402       const int __frac = __intl ? __mpt.frac_digits() 
01403                         : __mpf.frac_digits();
01404       if (__frac > 0)
01405         {
01406           const char_type __d = __intl ? __mpt.decimal_point() 
01407                        : __mpf.decimal_point();
01408           if (__end - __beg >= __frac)
01409         {
01410           __value = string_type(__end - __frac, __end);
01411           __value.insert(__value.begin(), __d);
01412           __end -= __frac;
01413         }
01414           else
01415         {
01416           // Have to pad zeros in the decimal position.
01417           __value = string_type(__beg, __end);
01418           int __paddec = __frac - (__end - __beg);
01419           char_type __zero = __ctype.widen('0');
01420           __value.insert(__value.begin(), __paddec, __zero);
01421           __value.insert(__value.begin(), __d);
01422           __beg = __end;
01423         }
01424         }
01425 
01426       // Add thousands separators to non-decimal digits, per
01427       // grouping rules.
01428       if (__beg != __end)
01429         {
01430           const string __grouping = __intl ? __mpt.grouping() 
01431                            : __mpf.grouping();
01432           if (__grouping.size())
01433         {
01434           const char_type __sep = __intl ? __mpt.thousands_sep() 
01435                                  : __mpf.thousands_sep();
01436           const char* __gbeg = __grouping.c_str();
01437           const char* __gend = __gbeg + __grouping.size();
01438           const int __n = (__end - __beg) * 2;
01439           _CharT* __ws2 =
01440                   static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n));
01441           _CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg, 
01442                             __gend, __beg, __end);
01443           __value.insert(0, __ws2, __ws_end - __ws2);
01444         }
01445           else
01446         __value.insert(0, string_type(__beg, __end));
01447         }
01448 
01449       // Calculate length of resulting string.
01450       ios_base::fmtflags __f = __io.flags() & ios_base::adjustfield;
01451       size_type __len = __value.size() + __sign.size();
01452       __len += (__io.flags() & ios_base::showbase) ? __symbol.size() : 0;
01453       bool __testipad = __f == ios_base::internal && __len < __width;
01454 
01455       // Fit formatted digits into the required pattern.
01456       for (int __i = 0; __i < 4; ++__i)
01457         {
01458           part __which = static_cast<part>(__p.field[__i]);
01459           switch (__which)
01460         {
01461         case money_base::symbol:
01462           if (__io.flags() & ios_base::showbase)
01463             __res += __symbol;
01464           break;
01465         case money_base::sign:          
01466           // Sign might not exist, or be more than one
01467           // charater long. In that case, add in the rest
01468           // below.
01469           if (__sign.size())
01470             __res += __sign[0];
01471           break;
01472         case money_base::value:
01473           __res += __value;
01474           break;
01475         case money_base::space:
01476           // At least one space is required, but if internal
01477           // formatting is required, an arbitrary number of
01478           // fill spaces will be necessary.
01479           if (__testipad)
01480             __res += string_type(__width - __len, __fill);
01481           else
01482             __res += __ctype.widen(__fill);
01483           break;
01484         case money_base::none:
01485           if (__testipad)
01486             __res += string_type(__width - __len, __fill);
01487           break;
01488         }
01489         }
01490 
01491       // Special case of multi-part sign parts.
01492       if (__sign.size() > 1)
01493         __res += string_type(__sign.begin() + 1, __sign.end());
01494 
01495       // Pad, if still necessary.
01496       __len = __res.size();
01497       if (__width > __len)
01498         {
01499           if (__f == ios_base::left)
01500         // After.
01501         __res.append(__width - __len, __fill);
01502           else
01503         // Before.
01504         __res.insert(0, string_type(__width - __len, __fill));
01505           __len = __width;
01506         }
01507 
01508       // Write resulting, fully-formatted string to output iterator.
01509       __s = __write(__s, __res.c_str(), __len);
01510     }
01511       __io.width(0);
01512       return __s; 
01513     }
01514 
01515 
01516   // NB: Not especially useful. Without an ios_base object or some
01517   // kind of locale reference, we are left clawing at the air where
01518   // the side of the mountain used to be...
01519   template<typename _CharT, typename _InIter>
01520     time_base::dateorder
01521     time_get<_CharT, _InIter>::do_date_order() const
01522     { return time_base::no_order; }
01523 
01524   template<typename _CharT, typename _InIter>
01525     void
01526     time_get<_CharT, _InIter>::
01527     _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
01528               ios_base::iostate& __err, tm* __tm, 
01529               const _CharT* __format) const
01530     {  
01531       locale __loc = __io.getloc();
01532       __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
01533       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
01534       size_t __len = char_traits<_CharT>::length(__format);
01535 
01536       for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i)
01537     {
01538       char __c = __format[__i];
01539       if (__c == '%')
01540         {
01541           // Verify valid formatting code, attempt to extract.
01542           __c = __format[++__i];
01543           char __mod = 0;
01544           int __mem = 0; 
01545           if (__c == 'E' || __c == 'O')
01546         {
01547           __mod = __c;
01548           __c = __format[++__i];
01549         }
01550           switch (__c)
01551         {
01552           const char* __cs;
01553           _CharT __wcs[10];
01554         case 'a':
01555           // Abbreviated weekday name [tm_wday]
01556           const char_type*  __days1[7];
01557           __tp._M_days_abbreviated(__days1);
01558           _M_extract_name(__beg, __end, __tm->tm_wday, __days1, 7, 
01559                   __err);
01560           break;
01561         case 'A':
01562           // Weekday name [tm_wday].
01563           const char_type*  __days2[7];
01564           __tp._M_days(__days2);
01565           _M_extract_name(__beg, __end, __tm->tm_wday, __days2, 7, 
01566                   __err);
01567           break;
01568         case 'h':
01569         case 'b':
01570           // Abbreviated month name [tm_mon]
01571           const char_type*  __months1[12];
01572           __tp._M_months_abbreviated(__months1);
01573           _M_extract_name(__beg, __end, __tm->tm_mon, __months1, 12, 
01574                   __err);
01575           break;
01576         case 'B':
01577           // Month name [tm_mon].
01578           const char_type*  __months2[12];
01579           __tp._M_months(__months2);
01580           _M_extract_name(__beg, __end, __tm->tm_mon, __months2, 12, 
01581                   __err);
01582           break;
01583         case 'c':
01584           // Default time and date representation.
01585           const char_type*  __dt[2];
01586           __tp._M_date_time_formats(__dt);
01587           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01588                     __dt[0]);
01589           break;
01590         case 'd':
01591           // Day [01, 31]. [tm_mday]
01592           _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2, 
01593                  __ctype, __err);
01594           break;
01595         case 'D':
01596           // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year]
01597           __cs = "%m/%d/%y";
01598           __ctype.widen(__cs, __cs + 9, __wcs);
01599           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01600                     __wcs);
01601           break;
01602         case 'H':
01603           // Hour [00, 23]. [tm_hour]
01604           _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2,
01605                  __ctype, __err);
01606           break;
01607         case 'I':
01608           // Hour [01, 12]. [tm_hour]
01609           _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2, 
01610                  __ctype, __err);
01611           break;
01612         case 'm':
01613           // Month [01, 12]. [tm_mon]
01614           _M_extract_num(__beg, __end, __mem, 1, 12, 2, __ctype, 
01615                  __err);
01616           if (!__err)
01617             __tm->tm_mon = __mem - 1;
01618           break;
01619         case 'M':
01620           // Minute [00, 59]. [tm_min]
01621           _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2,
01622                  __ctype, __err);
01623           break;
01624         case 'n':
01625           if (__ctype.narrow(*__beg, 0) == '\n')
01626             ++__beg;
01627           else
01628             __err |= ios_base::failbit;
01629           break;
01630         case 'R':
01631           // Equivalent to (%H:%M).
01632           __cs = "%H:%M";
01633           __ctype.widen(__cs, __cs + 6, __wcs);
01634           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01635                     __wcs);
01636           break;
01637         case 'S':
01638           // Seconds.
01639           _M_extract_num(__beg, __end, __tm->tm_sec, 0, 59, 2,
01640                  __ctype, __err);
01641           break;
01642         case 't':
01643           if (__ctype.narrow(*__beg, 0) == '\t')
01644             ++__beg;
01645           else
01646         __err |= ios_base::failbit;
01647           break;
01648         case 'T':
01649           // Equivalent to (%H:%M:%S).
01650           __cs = "%H:%M:%S";
01651           __ctype.widen(__cs, __cs + 9, __wcs);
01652           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01653                     __wcs);
01654           break;
01655         case 'x':
01656           // Locale's date.
01657           const char_type*  __dates[2];
01658           __tp._M_date_formats(__dates);
01659           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01660                     __dates[0]);
01661           break;
01662         case 'X':
01663           // Locale's time.
01664           const char_type*  __times[2];
01665           __tp._M_time_formats(__times);
01666           _M_extract_via_format(__beg, __end, __io, __err, __tm, 
01667                     __times[0]);
01668           break;
01669         case 'y':
01670           // Two digit year. [tm_year]
01671           _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2, 
01672                  __ctype, __err);
01673           break;
01674         case 'Y':
01675           // Year [1900). [tm_year]
01676           _M_extract_num(__beg, __end, __mem, 0, 
01677                  numeric_limits<int>::max(), 4, 
01678                  __ctype, __err);
01679           if (!__err)
01680             __tm->tm_year = __mem - 1900;
01681           break;
01682         case 'Z':
01683           // Timezone info.
01684           if (__ctype.is(ctype_base::upper, *__beg))
01685             {
01686               int __tmp;
01687               _M_extract_name(__beg, __end, __tmp, 
01688                       __timepunct<_CharT>::_S_timezones, 
01689                       14, __err);
01690               
01691               // GMT requires special effort.
01692               char_type __c = *__beg;
01693               if (!__err && __tmp == 0 
01694               && (__c == __ctype.widen('-') 
01695                   || __c == __ctype.widen('+')))
01696             {
01697               _M_extract_num(__beg, __end, __tmp, 0, 23, 2,
01698                       __ctype, __err);
01699               _M_extract_num(__beg, __end, __tmp, 0, 59, 2,
01700                       __ctype, __err);
01701             }       
01702               }
01703               else
01704             __err |= ios_base::failbit;
01705               break;
01706             default:
01707               // Not recognized.
01708               __err |= ios_base::failbit;
01709             }
01710         }
01711           else
01712         {
01713           // Verify format and input match, extract and discard.
01714           if (__c == __ctype.narrow(*__beg, 0))
01715             ++__beg;
01716           else
01717             __err |= ios_base::failbit;
01718         }
01719     }
01720     }
01721 
01722   template<typename _CharT, typename _InIter>
01723     void
01724     time_get<_CharT, _InIter>::
01725     _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
01726            int __min, int __max, size_t __len, 
01727            const ctype<_CharT>& __ctype, 
01728            ios_base::iostate& __err) const
01729     {
01730       size_t __i = 0;
01731       string __digits;
01732       bool __testvalid = true;
01733       char_type __c = *__beg;
01734       while (__beg != __end && __i < __len 
01735          && __ctype.is(ctype_base::digit, __c)) 
01736     {
01737       __digits += __ctype.narrow(__c, 0);
01738       __c = *(++__beg);
01739       ++__i;
01740     }
01741       if (__i == __len)
01742     {
01743       int __value = atoi(__digits.c_str());
01744       if (__min <= __value && __value <= __max)
01745         __member = __value;
01746       else
01747         __testvalid = false;
01748     }
01749       else
01750     __testvalid = false;
01751       if (!__testvalid)
01752     __err |= ios_base::failbit;
01753     }
01754 
01755   // Assumptions:
01756   // All elements in __names are unique.
01757   template<typename _CharT, typename _InIter>
01758     void
01759     time_get<_CharT, _InIter>::
01760     _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
01761             const _CharT** __names, size_t __indexlen, 
01762             ios_base::iostate& __err) const
01763     {
01764       typedef char_traits<_CharT>       __traits_type;
01765       int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) 
01766                               * __indexlen));
01767       size_t __nmatches = 0;
01768       size_t __pos = 0;
01769       bool __testvalid = true;
01770       const char_type* __name;
01771 
01772       char_type __c = *__beg;
01773       // Look for initial matches.
01774       for (size_t __i1 = 0; __i1 < __indexlen; ++__i1)
01775     if (__c == __names[__i1][0])
01776       __matches[__nmatches++] = __i1;
01777       
01778       while (__nmatches > 1)
01779     {
01780       // Find smallest matching string.
01781       size_t __minlen = 10;
01782       for (size_t __i2 = 0; __i2 < __nmatches; ++__i2)
01783         __minlen = min(__minlen,
01784                __traits_type::length(__names[__matches[__i2]]));
01785       
01786       if (__pos < __minlen && __beg != __end)
01787         {
01788           ++__pos;
01789           __c = *(++__beg);
01790           for (size_t __i3 = 0; __i3 < __nmatches; ++__i3)
01791         {
01792           __name = __names[__matches[__i3]];
01793           if (__name[__pos] != __c)
01794             __matches[__i3] = __matches[--__nmatches];
01795         }
01796         }
01797       else
01798         break;
01799     }
01800 
01801       if (__nmatches == 1)
01802     {
01803       // Make sure found name is completely extracted.
01804       __name = __names[__matches[0]];
01805       const size_t __len = __traits_type::length(__name);
01806       while (__pos < __len && __beg != __end && __name[__pos] == *__beg)
01807         ++__beg, ++__pos;
01808 
01809       if (__len == __pos)
01810         __member = __matches[0];
01811       else
01812         __testvalid = false;
01813     }
01814       else
01815     __testvalid = false;
01816       if (!__testvalid)
01817     __err |= ios_base::failbit;
01818     }
01819 
01820   template<typename _CharT, typename _InIter>
01821     _InIter
01822     time_get<_CharT, _InIter>::
01823     do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
01824         ios_base::iostate& __err, tm* __tm) const
01825     {
01826       _CharT __wcs[3];
01827       const char* __cs = "%X";
01828       locale __loc = __io.getloc();
01829       ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
01830       __ctype.widen(__cs, __cs + 3, __wcs);
01831       _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
01832       if (__beg == __end)
01833     __err |= ios_base::eofbit;
01834       return __beg;
01835     }
01836 
01837   template<typename _CharT, typename _InIter>
01838     _InIter
01839     time_get<_CharT, _InIter>::
01840     do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
01841         ios_base::iostate& __err, tm* __tm) const
01842     {
01843       _CharT __wcs[3];
01844       const char* __cs = "%x";
01845       locale __loc = __io.getloc();
01846       ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
01847       __ctype.widen(__cs, __cs + 3, __wcs);
01848       _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs);
01849       if (__beg == __end)
01850     __err |= ios_base::eofbit;
01851       return __beg;
01852     }
01853 
01854   template<typename _CharT, typename _InIter>
01855     _InIter
01856     time_get<_CharT, _InIter>::
01857     do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io, 
01858            ios_base::iostate& __err, tm* __tm) const
01859     {
01860       typedef char_traits<_CharT>       __traits_type;
01861       locale __loc = __io.getloc();
01862       __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
01863       const char_type*  __days[7];
01864       __tp._M_days_abbreviated(__days);
01865       int __tmpwday;
01866       _M_extract_name(__beg, __end, __tmpwday, __days, 7, __err);
01867 
01868       // Check to see if non-abbreviated name exists, and extract.
01869       // NB: Assumes both _M_days and _M_days_abbreviated organized in
01870       // exact same order, first to last, such that the resulting
01871       // __days array with the same index points to a day, and that
01872       // day's abbreviated form.
01873       // NB: Also assumes that an abbreviated name is a subset of the name. 
01874       if (!__err)
01875     {
01876       size_t __pos = __traits_type::length(__days[__tmpwday]);
01877       __tp._M_days(__days);
01878       const char_type* __name = __days[__tmpwday];
01879       if (__name[__pos] == *__beg)
01880         {
01881           // Extract the rest of it.
01882           const size_t __len = __traits_type::length(__name);
01883           while (__pos < __len && __beg != __end 
01884              && __name[__pos] == *__beg)
01885         ++__beg, ++__pos;
01886           if (__len != __pos)
01887         __err |= ios_base::failbit;
01888         }
01889       if (!__err)
01890         __tm->tm_wday = __tmpwday;
01891     }
01892       if (__beg == __end)
01893     __err |= ios_base::eofbit;
01894       return __beg;
01895      }
01896 
01897   template<typename _CharT, typename _InIter>
01898     _InIter
01899     time_get<_CharT, _InIter>::
01900     do_get_monthname(iter_type __beg, iter_type __end,
01901                      ios_base& __io, ios_base::iostate& __err, tm* __tm) const
01902     {
01903       typedef char_traits<_CharT>       __traits_type;
01904       locale __loc = __io.getloc();
01905       __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
01906       const char_type*  __months[12];
01907       __tp._M_months_abbreviated(__months);
01908       int __tmpmon;
01909       _M_extract_name(__beg, __end, __tmpmon, __months, 12, __err);
01910 
01911       // Check to see if non-abbreviated name exists, and extract.
01912       // NB: Assumes both _M_months and _M_months_abbreviated organized in
01913       // exact same order, first to last, such that the resulting
01914       // __months array with the same index points to a month, and that
01915       // month's abbreviated form.
01916       // NB: Also assumes that an abbreviated name is a subset of the name. 
01917       if (!__err)
01918     {
01919       size_t __pos = __traits_type::length(__months[__tmpmon]);
01920       __tp._M_months(__months);
01921       const char_type* __name = __months[__tmpmon];
01922       if (__name[__pos] == *__beg)
01923         {
01924           // Extract the rest of it.
01925           const size_t __len = __traits_type::length(__name);
01926           while (__pos < __len && __beg != __end 
01927              && __name[__pos] == *__beg)
01928         ++__beg, ++__pos;
01929           if (__len != __pos)
01930         __err |= ios_base::failbit;
01931         }
01932       if (!__err)
01933         __tm->tm_mon = __tmpmon;
01934     }
01935  
01936       if (__beg == __end)
01937     __err |= ios_base::eofbit;
01938       return __beg;
01939     }
01940 
01941   template<typename _CharT, typename _InIter>
01942     _InIter
01943     time_get<_CharT, _InIter>::
01944     do_get_year(iter_type __beg, iter_type __end, ios_base& __io, 
01945         ios_base::iostate& __err, tm* __tm) const
01946     {
01947       locale __loc = __io.getloc();
01948       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
01949 
01950       char_type __c = *__beg;
01951       size_t __i = 0;
01952       string __digits;
01953       while (__i < 4 && __beg != __end && __ctype.is(ctype_base::digit, __c))
01954     {
01955       __digits += __ctype.narrow(__c, 0);
01956       __c = *(++__beg);
01957       ++__i;
01958     }
01959       if (__i == 2 || __i == 4)
01960     {
01961       long __l;
01962       __convert_to_v(__digits.c_str(), __l, __err, _S_c_locale);
01963       if (!(__err & ios_base::failbit) && __l <= INT_MAX)
01964         {
01965           __l = __i == 2 ? __l : __l - 1900; 
01966           __tm->tm_year = static_cast<int>(__l);
01967         }
01968     }
01969       else
01970     __err |= ios_base::failbit;
01971       if (__beg == __end)
01972     __err |= ios_base::eofbit;
01973       return __beg;
01974     }
01975 
01976   template<typename _CharT, typename _OutIter>
01977     _OutIter
01978     time_put<_CharT, _OutIter>::
01979     put(iter_type __s, ios_base& __io, char_type, const tm* __tm, 
01980     const _CharT* __beg, const _CharT* __end) const
01981     {
01982       locale __loc = __io.getloc();
01983       ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
01984       while (__beg != __end)
01985     {
01986       char __c = __ctype.narrow(*__beg, 0);
01987       ++__beg;
01988       if (__c == '%')
01989         {
01990           char __format;
01991           char __mod = 0;
01992           size_t __len = 1; 
01993           __c = __ctype.narrow(*__beg, 0);
01994           ++__beg;
01995           if (__c == 'E' || __c == 'O')
01996         {
01997           __mod = __c;
01998           __format = __ctype.narrow(*__beg, 0);
01999           ++__beg;
02000         }
02001           else
02002         __format = __c;
02003           __s = this->do_put(__s, __io, _CharT(), __tm, __format, __mod);
02004         }
02005       else
02006         {
02007           *__s = __c;
02008           ++__s;
02009         }
02010     }
02011       return __s;
02012     }
02013 
02014   template<typename _CharT, typename _OutIter>
02015     _OutIter
02016     time_put<_CharT, _OutIter>::
02017     do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm, 
02018        char __format, char __mod) const
02019     { 
02020       locale __loc = __io.getloc();
02021       ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc);
02022       __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc);
02023 
02024       // NB: This size is arbitrary. Should this be a data member,
02025       // initialized at construction?
02026       const size_t __maxlen = 64;
02027       char_type* __res = static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
02028 
02029       // NB: In IEE 1003.1-200x, and perhaps other locale models, it
02030       // is possible that the format character will be longer than one
02031       // character. Possibilities include 'E' or 'O' followed by a
02032       // format character: if __mod is not the default argument, assume
02033       // it's a valid modifier.
02034       char_type __fmt[4];
02035       __fmt[0] = __ctype.widen('%'); 
02036       if (!__mod)
02037     {
02038       __fmt[1] = __format;
02039       __fmt[2] = char_type();
02040     }
02041       else
02042     {
02043       __fmt[1] = __mod;
02044       __fmt[2] = __format;
02045       __fmt[3] = char_type();
02046     }
02047 
02048       __tp._M_put(__res, __maxlen, __fmt, __tm);
02049 
02050       // Write resulting, fully-formatted string to output iterator.
02051       return __write(__s, __res, char_traits<char_type>::length(__res));
02052     }
02053 
02054 
02055   // Generic version does nothing.
02056   template<typename _CharT>
02057     int
02058     collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const
02059     { return 0; }
02060 
02061   // Generic version does nothing.
02062   template<typename _CharT>
02063     size_t
02064     collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const
02065     { return 0; }
02066 
02067   template<typename _CharT>
02068     int
02069     collate<_CharT>::
02070     do_compare(const _CharT* __lo1, const _CharT* __hi1, 
02071            const _CharT* __lo2, const _CharT* __hi2) const
02072     { 
02073       // strcoll assumes zero-terminated strings so we make a copy
02074       // and then put a zero at the end.
02075       const string_type __one(__lo1, __hi1);
02076       const string_type __two(__lo2, __hi2);
02077 
02078       const _CharT* __p = __one.c_str();
02079       const _CharT* __pend = __one.c_str() + __one.length();
02080       const _CharT* __q = __two.c_str();
02081       const _CharT* __qend = __two.c_str() + __two.length();
02082 
02083       // strcoll stops when it sees a nul character so we break
02084       // the strings into zero-terminated substrings and pass those
02085       // to strcoll.
02086       for (;;)
02087     {
02088       int __res = _M_compare(__p, __q);
02089       if (__res)
02090         return __res;
02091 
02092       __p += char_traits<_CharT>::length(__p);
02093       __q += char_traits<_CharT>::length(__q);
02094       if (__p == __pend && __q == __qend)
02095         return 0;
02096       else if (__p == __pend)
02097         return -1;
02098       else if (__q == __qend)
02099         return 1;
02100 
02101       __p++;
02102       __q++;
02103     }
02104     }
02105 
02106  template<typename _CharT>
02107     typename collate<_CharT>::string_type
02108     collate<_CharT>::
02109     do_transform(const _CharT* __lo, const _CharT* __hi) const
02110     {
02111       // strxfrm assumes zero-terminated strings so we make a copy
02112       string_type __str(__lo, __hi);
02113 
02114       const _CharT* __p = __str.c_str();
02115       const _CharT* __pend = __str.c_str() + __str.length();
02116 
02117       size_t __len = (__hi - __lo) * 2;
02118 
02119       string_type __ret;
02120 
02121       // strxfrm stops when it sees a nul character so we break
02122       // the string into zero-terminated substrings and pass those
02123       // to strxfrm.
02124       for (;;)
02125     {
02126       // First try a buffer perhaps big enough.
02127       _CharT* __c =
02128         static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len));
02129       size_t __res = _M_transform(__c, __p, __len);
02130       // If the buffer was not large enough, try again with the
02131       // correct size.
02132       if (__res >= __len)
02133         {
02134           __len = __res + 1;
02135           __c = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02136                               * __len));
02137           __res = _M_transform(__c, __p, __res + 1);
02138         }
02139 
02140       __ret.append(__c, __res);
02141       __p += char_traits<_CharT>::length(__p);
02142       if (__p == __pend)
02143         return __ret;
02144 
02145       __p++;
02146       __ret.push_back(_CharT());
02147     }
02148     }
02149 
02150  template<typename _CharT>
02151     long
02152     collate<_CharT>::
02153     do_hash(const _CharT* __lo, const _CharT* __hi) const
02154     { 
02155       unsigned long __val = 0;
02156       for (; __lo < __hi; ++__lo)
02157     __val = *__lo + ((__val << 7) | 
02158                (__val >> (numeric_limits<unsigned long>::digits - 7)));
02159       return static_cast<long>(__val);
02160     }
02161 
02162   // Construct correctly padded string, as per 22.2.2.2.2
02163   // Assumes 
02164   // __newlen > __oldlen
02165   // __news is allocated for __newlen size
02166   // Used by both num_put and ostream inserters: if __num,
02167   // internal-adjusted objects are padded according to the rules below
02168   // concerning 0[xX] and +-, otherwise, exactly as right-adjusted
02169   // ones are.
02170 
02171   // NB: Of the two parameters, _CharT can be deduced from the
02172   // function arguments. The other (_Traits) has to be explicitly specified.
02173   template<typename _CharT, typename _Traits>
02174     void 
02175     __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill, 
02176                    _CharT* __news, const _CharT* __olds, 
02177                    const streamsize __newlen, 
02178                    const streamsize __oldlen, const bool __num)
02179     {
02180       size_t __plen = static_cast<size_t>(__newlen - __oldlen);
02181       _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02182                                  * __plen));
02183       _Traits::assign(__pads, __plen, __fill); 
02184 
02185       _CharT* __beg;
02186       _CharT* __end;
02187       size_t __mod = 0;
02188       size_t __beglen; //either __plen or __oldlen
02189       ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
02190 
02191       if (__adjust == ios_base::left)
02192     {
02193       // Padding last.
02194       __beg = const_cast<_CharT*>(__olds);
02195       __beglen = __oldlen;
02196       __end = __pads;
02197     }
02198       else if (__adjust == ios_base::internal && __num)
02199     {
02200       // Pad after the sign, if there is one.
02201       // Pad after 0[xX], if there is one.
02202       // Who came up with these rules, anyway? Jeeze.
02203           locale __loc = __io.getloc();
02204       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 
02205       const _CharT __minus = __ctype.widen('-');
02206       const _CharT __plus = __ctype.widen('+');
02207       bool __testsign = _Traits::eq(__olds[0], __minus)
02208                     || _Traits::eq(__olds[0], __plus);
02209 
02210       bool __testhex = _Traits::eq(__ctype.widen('0'), __olds[0]) 
02211                    && (_Traits::eq(__ctype.widen('x'), __olds[1]) 
02212                    || _Traits::eq(__ctype.widen('X'), __olds[1]));
02213       if (__testhex)
02214         {
02215           __news[0] = __olds[0]; 
02216           __news[1] = __olds[1];
02217           __mod += 2;
02218           __news += 2;
02219           __beg = __pads;
02220           __beglen = __plen;
02221           __end = const_cast<_CharT*>(__olds + __mod);
02222         }
02223       else if (__testsign)
02224         {
02225           _Traits::eq((__news[0] = __olds[0]), __plus) ? __plus : __minus;
02226           ++__mod;
02227           ++__news;
02228           __beg = __pads;
02229           __beglen = __plen;
02230           __end = const_cast<_CharT*>(__olds + __mod);
02231         }
02232       else
02233         {
02234           // Padding first.
02235           __beg = __pads;
02236           __beglen = __plen;
02237           __end = const_cast<_CharT*>(__olds);
02238         }
02239     }
02240       else
02241     {
02242       // Padding first.
02243       __beg = __pads;
02244       __beglen = __plen;
02245       __end = const_cast<_CharT*>(__olds);
02246     }
02247       _Traits::copy(__news, __beg, __beglen);
02248       _Traits::copy(__news + __beglen, __end, 
02249               __newlen - __beglen - __mod);
02250     }
02251 
02252   template<typename _CharT>
02253     bool
02254     __verify_grouping(const basic_string<_CharT>& __grouping, 
02255               basic_string<_CharT>& __grouping_tmp)
02256     {         
02257       int __i = 0;
02258       int __j = 0;
02259       const int __len = __grouping.size();
02260       const int __n = __grouping_tmp.size();
02261       bool __test = true;
02262       
02263       // Parsed number groupings have to match the
02264       // numpunct::grouping string exactly, starting at the
02265       // right-most point of the parsed sequence of elements ...
02266       while (__test && __i < __n - 1)
02267     for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i)
02268       __test &= __grouping[__j] == __grouping_tmp[__n - __i - 1];
02269       // ... but the last parsed grouping can be <= numpunct
02270       // grouping.
02271       __j == __len ? __j = 0 : __j;
02272       __test &= __grouping[__j] >= __grouping_tmp[__n - __i - 1];
02273       return __test;
02274     }
02275 
02276   template<typename _CharT>
02277     _CharT*
02278     __add_grouping(_CharT* __s, _CharT __sep,  
02279            const char* __gbeg, const char* __gend, 
02280            const _CharT* __first, const _CharT* __last)
02281     {
02282       if (__last - __first > *__gbeg)
02283         {
02284           __s = __add_grouping(__s,  __sep, 
02285                    (__gbeg + 1 == __gend ? __gbeg : __gbeg + 1),
02286                    __gend, __first, __last - *__gbeg);
02287           __first = __last - *__gbeg;
02288           *__s++ = __sep;
02289         }
02290       do
02291     *__s++ = *__first++;
02292       while (__first != __last);
02293       return __s;
02294     }
02295 
02296 #if 1
02297       // XXX GLIBCXX_ABI Deprecated, compatibility only.
02298   template<typename _CharT, typename _OutIter>
02299     template<typename _ValueT>
02300       _OutIter
02301       num_put<_CharT, _OutIter>::
02302       _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
02303              char __modl, _ValueT __v) const
02304       {
02305     // [22.2.2.2.2] Stage 1, numeric conversion to character.
02306 
02307     // Long enough for the max format spec.
02308     char __fbuf[16];
02309     _S_format_int(__io, __fbuf, __mod, __modl);
02310 #ifdef _GLIBCPP_USE_C99
02311     // First try a buffer perhaps big enough.
02312     int __cs_size = 64;
02313     char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
02314     int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, 
02315                      _S_c_locale);
02316     // If the buffer was not large enough, try again with the correct size.
02317     if (__len >= __cs_size)
02318       {
02319         __cs_size = __len + 1;
02320         __cs = static_cast<char*>(__builtin_alloca(__cs_size));
02321         __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, 
02322                      _S_c_locale);
02323       }
02324 #else
02325     // Leave room for "+/-," "0x," and commas. This size is
02326     // arbitrary, but should be largely sufficient.
02327     char __cs[128];
02328     int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale);
02329 #endif
02330     return _M_widen_int(__s, __io, __fill, __cs, __len);
02331       }
02332 
02333   template<typename _CharT, typename _OutIter>
02334     _OutIter
02335     num_put<_CharT, _OutIter>::
02336     _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs, 
02337            int __len) const
02338     {
02339       typedef char_traits<_CharT>       __traits_type;
02340       // [22.2.2.2.2] Stage 2, convert to char_type, using correct
02341       // numpunct.decimal_point() values for '.' and adding grouping.
02342       const locale __loc = __io.getloc();
02343       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
02344       _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02345                                * __len));
02346       // Grouping can add (almost) as many separators as the number of
02347       // digits, but no more.
02348       _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02349                                 * __len * 2));
02350       __ctype.widen(__cs, __cs + __len, __ws);
02351       
02352       // Replace decimal point.
02353       const _CharT* __p;
02354       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
02355       if (__p = __traits_type::find(__ws, __len, __ctype.widen('.')))
02356     __ws[__p - __ws] = __np.decimal_point();
02357 
02358 #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS
02359 //282. What types does numpunct grouping refer to?
02360       // Add grouping, if necessary. 
02361       const string __grouping = __np.grouping();
02362       if (__grouping.size())
02363     {
02364       _CharT* __p2;
02365       int __declen = __p ? __p - __ws : __len;
02366       __p2 = __add_grouping(__ws2, __np.thousands_sep(), 
02367                 __grouping.c_str(),
02368                 __grouping.c_str() + __grouping.size(),
02369                 __ws, __ws + __declen);
02370       int __newlen = __p2 - __ws2;
02371     
02372       // Tack on decimal part.
02373       if (__p)
02374         {
02375           __traits_type::copy(__p2, __p, __len - __declen);
02376           __newlen += __len - __declen;
02377         }    
02378 
02379       // Switch strings, establish correct new length.
02380       __ws = __ws2;
02381       __len = __newlen;
02382     }
02383 #endif
02384       return _M_insert(__s, __io, __fill, __ws, __len);
02385     }
02386 
02387   template<typename _CharT, typename _OutIter>
02388     _OutIter
02389     num_put<_CharT, _OutIter>::
02390     _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs, 
02391          int __len) const
02392     {
02393       // [22.2.2.2.2] Stage 2, convert to char_type, using correct
02394       // numpunct.decimal_point() values for '.' and adding grouping.
02395       const locale __loc = __io.getloc();
02396       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
02397       _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02398                                * __len));
02399       // Grouping can add (almost) as many separators as the number of
02400       // digits, but no more.
02401       _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02402                                 * __len * 2));
02403       __ctype.widen(__cs, __cs + __len, __ws);
02404 
02405       // Add grouping, if necessary. 
02406       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
02407       const string __grouping = __np.grouping();
02408       if (__grouping.size())
02409     {
02410       // By itself __add_grouping cannot deal correctly with __ws when
02411       // ios::showbase is set and ios_base::oct || ios_base::hex.
02412       // Therefore we take care "by hand" of the initial 0, 0x or 0X.
02413       // However, remember that the latter do not occur if the number
02414       // printed is '0' (__len == 1).
02415       streamsize __off = 0;
02416       const ios_base::fmtflags __basefield = __io.flags() 
02417                              & ios_base::basefield;
02418       if ((__io.flags() & ios_base::showbase) && __len > 1)
02419         if (__basefield == ios_base::oct)
02420           {
02421         __off = 1;
02422         *__ws2 = *__ws;
02423           }
02424         else if (__basefield == ios_base::hex)
02425           {
02426         __off = 2;
02427         *__ws2 = *__ws;
02428         *(__ws2 + 1) = *(__ws + 1);
02429           }
02430       _CharT* __p;
02431       __p = __add_grouping(__ws2 + __off, __np.thousands_sep(), 
02432                    __grouping.c_str(),
02433                    __grouping.c_str() + __grouping.size(),
02434                    __ws + __off, __ws + __len);
02435       __len = __p - __ws2;
02436       // Switch strings.
02437       __ws = __ws2;
02438     }
02439       return _M_insert(__s, __io, __fill, __ws, __len);
02440     }
02441 
02442   // For use by integer and floating-point types after they have been
02443   // converted into a char_type string.
02444   template<typename _CharT, typename _OutIter>
02445     _OutIter
02446     num_put<_CharT, _OutIter>::
02447     _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws, 
02448           int __len) const
02449     {
02450       typedef char_traits<_CharT>       __traits_type;
02451       // [22.2.2.2.2] Stage 3.
02452       // If necessary, pad.
02453       streamsize __w = __io.width();
02454       _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) 
02455                                 * __w));
02456       if (__w > static_cast<streamsize>(__len))
02457     {
02458       __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws, 
02459                            __w, __len, true);
02460       __len = static_cast<int>(__w);
02461       // Switch strings.
02462       __ws = __ws2;
02463     }
02464       __io.width(0);
02465 
02466       // [22.2.2.2.2] Stage 4.
02467       // Write resulting, fully-formatted string to output iterator.
02468       return __write(__s, __ws, __len);
02469     }
02470 #endif
02471 
02472   template<typename _CharT>
02473     __locale_cache<numpunct<_CharT> >::__locale_cache(const locale& __loc)
02474       : _M_truename(0), _M_falsename(0), _M_use_grouping(false),
02475     _M_grouping(0)
02476     {
02477       if (has_facet<numpunct<_CharT> >(__loc))
02478     {
02479       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
02480       _M_decimal_point = __np.decimal_point();
02481       _M_thousands_sep = __np.thousands_sep();
02482 
02483       string_type __false = __np.falsename();
02484       _CharT* __falsename = new _CharT[__false.length() + 1];
02485       __false.copy(__falsename, __false.length());
02486       __falsename[__false.length()] = _CharT();
02487       _M_falsename = __falsename;
02488 
02489       string_type __true = __np.truename();
02490       _CharT* __truename = new _CharT[__true.length() + 1];
02491       __true.copy(__truename, __true.length());
02492       __truename[__true.length()] = _CharT();
02493       _M_truename = __truename;
02494 
02495       string __grouping = __np.grouping();
02496       char* __group = new char[__grouping.length() + 1];
02497       __grouping.copy(__group, __grouping.length());
02498       __group[__grouping.length()] = 0;
02499       _M_grouping = __group;
02500 
02501       _M_use_grouping = __grouping.length() != 0 
02502         && __grouping.data()[0] != 0;
02503     }
02504 
02505       if (has_facet<ctype<_CharT> >(__loc))
02506     {
02507       const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
02508       __ct.widen(__num_base::_S_atoms_out,
02509              __num_base::_S_atoms_out + __num_base::_S_end, 
02510              _M_atoms_out);
02511     }
02512     }
02513 
02514   // Static locale cache initialization.  Only instantiated with char
02515   // and wchar_t, so no need to check has_facet.
02516   template<typename _CharT>
02517     __locale_cache<numpunct<_CharT> >::
02518     __locale_cache(const locale& __loc, bool)
02519     {
02520       // Grab pointers to numpunct static strings
02521       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
02522       _M_thousands_sep = __np._M_thousands_sep;
02523       _M_decimal_point = __np._M_decimal_point;
02524       _M_falsename = __np._M_falsename;
02525       _M_truename = __np._M_truename;
02526       _M_grouping = __np._M_grouping;
02527       _M_use_grouping = false;
02528 
02529       const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
02530       __ct.widen(__num_base::_S_atoms_out,
02531          __num_base::_S_atoms_out + __num_base::_S_end, 
02532          _M_atoms_out);
02533     }
02534 
02535   // Inhibit implicit instantiations for required instantiations,
02536   // which are defined via explicit instantiations elsewhere.  
02537   // NB: This syntax is a GNU extension.
02538 #if _GLIBCPP_EXTERN_TEMPLATE
02539   extern template class moneypunct<char, false>;
02540   extern template class moneypunct<char, true>;
02541   extern template class moneypunct_byname<char, false>;
02542   extern template class moneypunct_byname<char, true>;
02543   extern template class money_get<char>;
02544   extern template class money_put<char>;
02545   extern template class numpunct<char>;
02546   extern template class numpunct_byname<char>;
02547   extern template class num_get<char>;
02548   extern template class num_put<char>; 
02549   extern template class __timepunct<char>;
02550   extern template class time_put<char>;
02551   extern template class time_put_byname<char>;
02552   extern template class time_get<char>;
02553   extern template class time_get_byname<char>;
02554   extern template class messages<char>;
02555   extern template class messages_byname<char>;
02556   extern template class ctype_byname<char>;
02557   extern template class codecvt_byname<char, char, mbstate_t>;
02558   extern template class collate<char>;
02559   extern template class collate_byname<char>;
02560 
02561   extern template
02562     const codecvt<char, char, mbstate_t>& 
02563     use_facet<codecvt<char, char, mbstate_t> >(const locale&);
02564 
02565   extern template
02566     const collate<char>& 
02567     use_facet<collate<char> >(const locale&);
02568 
02569   extern template
02570     const numpunct<char>& 
02571     use_facet<numpunct<char> >(const locale&);
02572 
02573   extern template 
02574     const num_put<char>& 
02575     use_facet<num_put<char> >(const locale&);
02576 
02577   extern template 
02578     const num_get<char>& 
02579     use_facet<num_get<char> >(const locale&);
02580 
02581   extern template
02582     const moneypunct<char, true>& 
02583     use_facet<moneypunct<char, true> >(const locale&);
02584 
02585   extern template
02586     const moneypunct<char, false>& 
02587     use_facet<moneypunct<char, false> >(const locale&);
02588 
02589   extern template 
02590     const money_put<char>& 
02591     use_facet<money_put<char> >(const locale&);
02592 
02593   extern template 
02594     const money_get<char>& 
02595     use_facet<money_get<char> >(const locale&);
02596 
02597   extern template
02598     const __timepunct<char>& 
02599     use_facet<__timepunct<char> >(const locale&);
02600 
02601   extern template 
02602     const time_put<char>& 
02603     use_facet<time_put<char> >(const locale&);
02604 
02605   extern template 
02606     const time_get<char>& 
02607     use_facet<time_get<char> >(const locale&);
02608 
02609   extern template 
02610     const messages<char>& 
02611     use_facet<messages<char> >(const locale&);
02612 
02613   extern template 
02614     bool
02615     has_facet<ctype<char> >(const locale&);
02616 
02617   extern template 
02618     bool
02619     has_facet<codecvt<char, char, mbstate_t> >(const locale&);
02620 
02621   extern template 
02622     bool
02623     has_facet<collate<char> >(const locale&);
02624 
02625   extern template 
02626     bool
02627     has_facet<numpunct<char> >(const locale&);
02628 
02629   extern template 
02630     bool
02631     has_facet<num_put<char> >(const locale&);
02632 
02633   extern template 
02634     bool
02635     has_facet<num_get<char> >(const locale&);
02636 
02637   extern template 
02638     bool
02639     has_facet<moneypunct<char> >(const locale&);
02640 
02641   extern template 
02642     bool
02643     has_facet<money_put<char> >(const locale&);
02644 
02645   extern template 
02646     bool
02647     has_facet<money_get<char> >(const locale&);
02648 
02649   extern template 
02650     bool
02651     has_facet<__timepunct<char> >(const locale&);
02652 
02653   extern template 
02654     bool
02655     has_facet<time_put<char> >(const locale&);
02656 
02657   extern template 
02658     bool
02659     has_facet<time_get<char> >(const locale&);
02660 
02661   extern template 
02662     bool
02663     has_facet<messages<char> >(const locale&);
02664 
02665 #ifdef _GLIBCPP_USE_WCHAR_T
02666   extern template class moneypunct<wchar_t, false>;
02667   extern template class moneypunct<wchar_t, true>;
02668   extern template class moneypunct_byname<wchar_t, false>;
02669   extern template class moneypunct_byname<wchar_t, true>;
02670   extern template class money_get<wchar_t>;
02671   extern template class money_put<wchar_t>;
02672   extern template class numpunct<wchar_t>;
02673   extern template class numpunct_byname<wchar_t>;
02674   extern template class num_get<wchar_t>;
02675   extern template class num_put<wchar_t>;
02676   extern template class __timepunct<wchar_t>;
02677   extern template class time_put<wchar_t>;
02678   extern template class time_put_byname<wchar_t>;
02679   extern template class time_get<wchar_t>;
02680   extern template class time_get_byname<wchar_t>;
02681   extern template class messages<wchar_t>;
02682   extern template class messages_byname<wchar_t>;
02683   extern template class ctype_byname<wchar_t>;
02684   extern template class codecvt_byname<wchar_t, char, mbstate_t>;
02685   extern template class collate<wchar_t>;
02686   extern template class collate_byname<wchar_t>;
02687 
02688   extern template
02689     const codecvt<wchar_t, char, mbstate_t>& 
02690     use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&);
02691 
02692   extern template
02693     const collate<wchar_t>& 
02694     use_facet<collate<wchar_t> >(const locale&);
02695 
02696   extern template
02697     const numpunct<wchar_t>& 
02698     use_facet<numpunct<wchar_t> >(const locale&);
02699 
02700   extern template 
02701     const num_put<wchar_t>& 
02702     use_facet<num_put<wchar_t> >(const locale&);
02703 
02704   extern template 
02705     const num_get<wchar_t>& 
02706     use_facet<num_get<wchar_t> >(const locale&);
02707 
02708   extern template
02709     const moneypunct<wchar_t, true>& 
02710     use_facet<moneypunct<wchar_t, true> >(const locale&);
02711 
02712   extern template
02713     const moneypunct<wchar_t, false>& 
02714     use_facet<moneypunct<wchar_t, false> >(const locale&);
02715  
02716   extern template 
02717     const money_put<wchar_t>& 
02718     use_facet<money_put<wchar_t> >(const locale&);
02719 
02720   extern template 
02721     const money_get<wchar_t>& 
02722     use_facet<money_get<wchar_t> >(const locale&);
02723 
02724   extern template
02725     const __timepunct<wchar_t>& 
02726     use_facet<__timepunct<wchar_t> >(const locale&);
02727 
02728   extern template 
02729     const time_put<wchar_t>& 
02730     use_facet<time_put<wchar_t> >(const locale&);
02731 
02732   extern template 
02733     const time_get<wchar_t>& 
02734     use_facet<time_get<wchar_t> >(const locale&);
02735 
02736   extern template 
02737     const messages<wchar_t>& 
02738     use_facet<messages<wchar_t> >(const locale&);
02739 
02740  extern template 
02741     bool
02742     has_facet<ctype<wchar_t> >(const locale&);
02743 
02744   extern template 
02745     bool
02746     has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&);
02747 
02748   extern template 
02749     bool
02750     has_facet<collate<wchar_t> >(const locale&);
02751 
02752   extern template 
02753     bool
02754     has_facet<numpunct<wchar_t> >(const locale&);
02755 
02756   extern template 
02757     bool
02758     has_facet<num_put<wchar_t> >(const locale&);
02759 
02760   extern template 
02761     bool
02762     has_facet<num_get<wchar_t> >(const locale&);
02763 
02764   extern template 
02765     bool
02766     has_facet<moneypunct<wchar_t> >(const locale&);
02767 
02768   extern template 
02769     bool
02770     has_facet<money_put<wchar_t> >(const locale&);
02771 
02772   extern template 
02773     bool
02774     has_facet<money_get<wchar_t> >(const locale&);
02775 
02776   extern template 
02777     bool
02778     has_facet<__timepunct<wchar_t> >(const locale&);
02779 
02780   extern template 
02781     bool
02782     has_facet<time_put<wchar_t> >(const locale&);
02783 
02784   extern template 
02785     bool
02786     has_facet<time_get<wchar_t> >(const locale&);
02787 
02788   extern template 
02789     bool
02790     has_facet<messages<wchar_t> >(const locale&);
02791 #endif
02792 #endif
02793 } // namespace std
02794 
02795 #endif

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