libstdc++
locale_facets.tcc
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00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997-2013 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file bits/locale_facets.tcc
00026  *  This is an internal header file, included by other library headers.
00027  *  Do not attempt to use it directly. @headername{locale}
00028  */
00029 
00030 #ifndef _LOCALE_FACETS_TCC
00031 #define _LOCALE_FACETS_TCC 1
00032 
00033 #pragma GCC system_header
00034 
00035 namespace std _GLIBCXX_VISIBILITY(default)
00036 {
00037 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00038 
00039   // Routine to access a cache for the facet.  If the cache didn't
00040   // exist before, it gets constructed on the fly.
00041   template<typename _Facet>
00042     struct __use_cache
00043     {
00044       const _Facet*
00045       operator() (const locale& __loc) const;
00046     };
00047 
00048   // Specializations.
00049   template<typename _CharT>
00050     struct __use_cache<__numpunct_cache<_CharT> >
00051     {
00052       const __numpunct_cache<_CharT>*
00053       operator() (const locale& __loc) const
00054       {
00055     const size_t __i = numpunct<_CharT>::id._M_id();
00056     const locale::facet** __caches = __loc._M_impl->_M_caches;
00057     if (!__caches[__i])
00058       {
00059         __numpunct_cache<_CharT>* __tmp = 0;
00060         __try
00061           {
00062         __tmp = new __numpunct_cache<_CharT>;
00063         __tmp->_M_cache(__loc);
00064           }
00065         __catch(...)
00066           {
00067         delete __tmp;
00068         __throw_exception_again;
00069           }
00070         __loc._M_impl->_M_install_cache(__tmp, __i);
00071       }
00072     return static_cast<const __numpunct_cache<_CharT>*>(__caches[__i]);
00073       }
00074     };
00075 
00076   template<typename _CharT>
00077     void
00078     __numpunct_cache<_CharT>::_M_cache(const locale& __loc)
00079     {
00080       _M_allocated = true;
00081 
00082       const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc);
00083 
00084       char* __grouping = 0;
00085       _CharT* __truename = 0;
00086       _CharT* __falsename = 0;
00087       __try
00088     {
00089       _M_grouping_size = __np.grouping().size();
00090       __grouping = new char[_M_grouping_size];
00091       __np.grouping().copy(__grouping, _M_grouping_size);
00092       _M_grouping = __grouping;
00093       _M_use_grouping = (_M_grouping_size
00094                  && static_cast<signed char>(_M_grouping[0]) > 0
00095                  && (_M_grouping[0]
00096                  != __gnu_cxx::__numeric_traits<char>::__max));
00097 
00098       _M_truename_size = __np.truename().size();
00099       __truename = new _CharT[_M_truename_size];
00100       __np.truename().copy(__truename, _M_truename_size);
00101       _M_truename = __truename;
00102 
00103       _M_falsename_size = __np.falsename().size();
00104       __falsename = new _CharT[_M_falsename_size];
00105       __np.falsename().copy(__falsename, _M_falsename_size);
00106       _M_falsename = __falsename;
00107 
00108       _M_decimal_point = __np.decimal_point();
00109       _M_thousands_sep = __np.thousands_sep();
00110 
00111       const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc);
00112       __ct.widen(__num_base::_S_atoms_out,
00113              __num_base::_S_atoms_out
00114              + __num_base::_S_oend, _M_atoms_out);
00115       __ct.widen(__num_base::_S_atoms_in,
00116              __num_base::_S_atoms_in
00117              + __num_base::_S_iend, _M_atoms_in);
00118     }
00119       __catch(...)
00120     {
00121       delete [] __grouping;
00122       delete [] __truename;
00123       delete [] __falsename;
00124       __throw_exception_again;
00125     }
00126     }
00127 
00128   // Used by both numeric and monetary facets.
00129   // Check to make sure that the __grouping_tmp string constructed in
00130   // money_get or num_get matches the canonical grouping for a given
00131   // locale.
00132   // __grouping_tmp is parsed L to R
00133   // 1,222,444 == __grouping_tmp of "\1\3\3"
00134   // __grouping is parsed R to L
00135   // 1,222,444 == __grouping of "\3" == "\3\3\3"
00136   _GLIBCXX_PURE bool
00137   __verify_grouping(const char* __grouping, size_t __grouping_size,
00138             const string& __grouping_tmp) throw ();
00139 
00140 _GLIBCXX_BEGIN_NAMESPACE_LDBL
00141 
00142   template<typename _CharT, typename _InIter>
00143     _InIter
00144     num_get<_CharT, _InIter>::
00145     _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io,
00146              ios_base::iostate& __err, string& __xtrc) const
00147     {
00148       typedef char_traits<_CharT>           __traits_type;
00149       typedef __numpunct_cache<_CharT>                  __cache_type;
00150       __use_cache<__cache_type> __uc;
00151       const locale& __loc = __io._M_getloc();
00152       const __cache_type* __lc = __uc(__loc);
00153       const _CharT* __lit = __lc->_M_atoms_in;
00154       char_type __c = char_type();
00155 
00156       // True if __beg becomes equal to __end.
00157       bool __testeof = __beg == __end;
00158 
00159       // First check for sign.
00160       if (!__testeof)
00161     {
00162       __c = *__beg;
00163       const bool __plus = __c == __lit[__num_base::_S_iplus];
00164       if ((__plus || __c == __lit[__num_base::_S_iminus])
00165           && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00166           && !(__c == __lc->_M_decimal_point))
00167         {
00168           __xtrc += __plus ? '+' : '-';
00169           if (++__beg != __end)
00170         __c = *__beg;
00171           else
00172         __testeof = true;
00173         }
00174     }
00175 
00176       // Next, look for leading zeros.
00177       bool __found_mantissa = false;
00178       int __sep_pos = 0;
00179       while (!__testeof)
00180     {
00181       if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00182           || __c == __lc->_M_decimal_point)
00183         break;
00184       else if (__c == __lit[__num_base::_S_izero])
00185         {
00186           if (!__found_mantissa)
00187         {
00188           __xtrc += '0';
00189           __found_mantissa = true;
00190         }
00191           ++__sep_pos;
00192 
00193           if (++__beg != __end)
00194         __c = *__beg;
00195           else
00196         __testeof = true;
00197         }
00198       else
00199         break;
00200     }
00201 
00202       // Only need acceptable digits for floating point numbers.
00203       bool __found_dec = false;
00204       bool __found_sci = false;
00205       string __found_grouping;
00206       if (__lc->_M_use_grouping)
00207     __found_grouping.reserve(32);
00208       const char_type* __lit_zero = __lit + __num_base::_S_izero;
00209 
00210       if (!__lc->_M_allocated)
00211     // "C" locale
00212     while (!__testeof)
00213       {
00214         const int __digit = _M_find(__lit_zero, 10, __c);
00215         if (__digit != -1)
00216           {
00217         __xtrc += '0' + __digit;
00218         __found_mantissa = true;
00219           }
00220         else if (__c == __lc->_M_decimal_point
00221              && !__found_dec && !__found_sci)
00222           {
00223         __xtrc += '.';
00224         __found_dec = true;
00225           }
00226         else if ((__c == __lit[__num_base::_S_ie] 
00227               || __c == __lit[__num_base::_S_iE])
00228              && !__found_sci && __found_mantissa)
00229           {
00230         // Scientific notation.
00231         __xtrc += 'e';
00232         __found_sci = true;
00233         
00234         // Remove optional plus or minus sign, if they exist.
00235         if (++__beg != __end)
00236           {
00237             __c = *__beg;
00238             const bool __plus = __c == __lit[__num_base::_S_iplus];
00239             if (__plus || __c == __lit[__num_base::_S_iminus])
00240               __xtrc += __plus ? '+' : '-';
00241             else
00242               continue;
00243           }
00244         else
00245           {
00246             __testeof = true;
00247             break;
00248           }
00249           }
00250         else
00251           break;
00252 
00253         if (++__beg != __end)
00254           __c = *__beg;
00255         else
00256           __testeof = true;
00257       }
00258       else
00259     while (!__testeof)
00260       {
00261         // According to 22.2.2.1.2, p8-9, first look for thousands_sep
00262         // and decimal_point.
00263         if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00264           {
00265         if (!__found_dec && !__found_sci)
00266           {
00267             // NB: Thousands separator at the beginning of a string
00268             // is a no-no, as is two consecutive thousands separators.
00269             if (__sep_pos)
00270               {
00271             __found_grouping += static_cast<char>(__sep_pos);
00272             __sep_pos = 0;
00273               }
00274             else
00275               {
00276             // NB: __convert_to_v will not assign __v and will
00277             // set the failbit.
00278             __xtrc.clear();
00279             break;
00280               }
00281           }
00282         else
00283           break;
00284           }
00285         else if (__c == __lc->_M_decimal_point)
00286           {
00287         if (!__found_dec && !__found_sci)
00288           {
00289             // If no grouping chars are seen, no grouping check
00290             // is applied. Therefore __found_grouping is adjusted
00291             // only if decimal_point comes after some thousands_sep.
00292             if (__found_grouping.size())
00293               __found_grouping += static_cast<char>(__sep_pos);
00294             __xtrc += '.';
00295             __found_dec = true;
00296           }
00297         else
00298           break;
00299           }
00300         else
00301           {
00302         const char_type* __q =
00303           __traits_type::find(__lit_zero, 10, __c);
00304         if (__q)
00305           {
00306             __xtrc += '0' + (__q - __lit_zero);
00307             __found_mantissa = true;
00308             ++__sep_pos;
00309           }
00310         else if ((__c == __lit[__num_base::_S_ie] 
00311               || __c == __lit[__num_base::_S_iE])
00312              && !__found_sci && __found_mantissa)
00313           {
00314             // Scientific notation.
00315             if (__found_grouping.size() && !__found_dec)
00316               __found_grouping += static_cast<char>(__sep_pos);
00317             __xtrc += 'e';
00318             __found_sci = true;
00319             
00320             // Remove optional plus or minus sign, if they exist.
00321             if (++__beg != __end)
00322               {
00323             __c = *__beg;
00324             const bool __plus = __c == __lit[__num_base::_S_iplus];
00325             if ((__plus || __c == __lit[__num_base::_S_iminus])
00326                 && !(__lc->_M_use_grouping
00327                  && __c == __lc->_M_thousands_sep)
00328                 && !(__c == __lc->_M_decimal_point))
00329               __xtrc += __plus ? '+' : '-';
00330             else
00331               continue;
00332               }
00333             else
00334               {
00335             __testeof = true;
00336             break;
00337               }
00338           }
00339         else
00340           break;
00341           }
00342         
00343         if (++__beg != __end)
00344           __c = *__beg;
00345         else
00346           __testeof = true;
00347       }
00348 
00349       // Digit grouping is checked. If grouping and found_grouping don't
00350       // match, then get very very upset, and set failbit.
00351       if (__found_grouping.size())
00352         {
00353           // Add the ending grouping if a decimal or 'e'/'E' wasn't found.
00354       if (!__found_dec && !__found_sci)
00355         __found_grouping += static_cast<char>(__sep_pos);
00356 
00357           if (!std::__verify_grouping(__lc->_M_grouping, 
00358                       __lc->_M_grouping_size,
00359                       __found_grouping))
00360         __err = ios_base::failbit;
00361         }
00362 
00363       return __beg;
00364     }
00365 
00366   template<typename _CharT, typename _InIter>
00367     template<typename _ValueT>
00368       _InIter
00369       num_get<_CharT, _InIter>::
00370       _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io,
00371              ios_base::iostate& __err, _ValueT& __v) const
00372       {
00373         typedef char_traits<_CharT>              __traits_type;
00374     using __gnu_cxx::__add_unsigned;
00375     typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
00376     typedef __numpunct_cache<_CharT>                     __cache_type;
00377     __use_cache<__cache_type> __uc;
00378     const locale& __loc = __io._M_getloc();
00379     const __cache_type* __lc = __uc(__loc);
00380     const _CharT* __lit = __lc->_M_atoms_in;
00381     char_type __c = char_type();
00382 
00383     // NB: Iff __basefield == 0, __base can change based on contents.
00384     const ios_base::fmtflags __basefield = __io.flags()
00385                                            & ios_base::basefield;
00386     const bool __oct = __basefield == ios_base::oct;
00387     int __base = __oct ? 8 : (__basefield == ios_base::hex ? 16 : 10);
00388 
00389     // True if __beg becomes equal to __end.
00390     bool __testeof = __beg == __end;
00391 
00392     // First check for sign.
00393     bool __negative = false;
00394     if (!__testeof)
00395       {
00396         __c = *__beg;
00397         __negative = __c == __lit[__num_base::_S_iminus];
00398         if ((__negative || __c == __lit[__num_base::_S_iplus])
00399         && !(__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00400         && !(__c == __lc->_M_decimal_point))
00401           {
00402         if (++__beg != __end)
00403           __c = *__beg;
00404         else
00405           __testeof = true;
00406           }
00407       }
00408 
00409     // Next, look for leading zeros and check required digits
00410     // for base formats.
00411     bool __found_zero = false;
00412     int __sep_pos = 0;
00413     while (!__testeof)
00414       {
00415         if ((__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00416         || __c == __lc->_M_decimal_point)
00417           break;
00418         else if (__c == __lit[__num_base::_S_izero] 
00419              && (!__found_zero || __base == 10))
00420           {
00421         __found_zero = true;
00422         ++__sep_pos;
00423         if (__basefield == 0)
00424           __base = 8;
00425         if (__base == 8)
00426           __sep_pos = 0;
00427           }
00428         else if (__found_zero
00429              && (__c == __lit[__num_base::_S_ix]
00430              || __c == __lit[__num_base::_S_iX]))
00431           {
00432         if (__basefield == 0)
00433           __base = 16;
00434         if (__base == 16)
00435           {
00436             __found_zero = false;
00437             __sep_pos = 0;
00438           }
00439         else
00440           break;
00441           }
00442         else
00443           break;
00444 
00445         if (++__beg != __end)
00446           {
00447         __c = *__beg;
00448         if (!__found_zero)
00449           break;
00450           }
00451         else
00452           __testeof = true;
00453       }
00454     
00455     // At this point, base is determined. If not hex, only allow
00456     // base digits as valid input.
00457     const size_t __len = (__base == 16 ? __num_base::_S_iend
00458                   - __num_base::_S_izero : __base);
00459 
00460     // Extract.
00461     string __found_grouping;
00462     if (__lc->_M_use_grouping)
00463       __found_grouping.reserve(32);
00464     bool __testfail = false;
00465     bool __testoverflow = false;
00466     const __unsigned_type __max =
00467       (__negative && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
00468       ? -__gnu_cxx::__numeric_traits<_ValueT>::__min
00469       : __gnu_cxx::__numeric_traits<_ValueT>::__max;
00470     const __unsigned_type __smax = __max / __base;
00471     __unsigned_type __result = 0;
00472     int __digit = 0;
00473     const char_type* __lit_zero = __lit + __num_base::_S_izero;
00474 
00475     if (!__lc->_M_allocated)
00476       // "C" locale
00477       while (!__testeof)
00478         {
00479           __digit = _M_find(__lit_zero, __len, __c);
00480           if (__digit == -1)
00481         break;
00482           
00483           if (__result > __smax)
00484         __testoverflow = true;
00485           else
00486         {
00487           __result *= __base;
00488           __testoverflow |= __result > __max - __digit;
00489           __result += __digit;
00490           ++__sep_pos;
00491         }
00492           
00493           if (++__beg != __end)
00494         __c = *__beg;
00495           else
00496         __testeof = true;
00497         }
00498     else
00499       while (!__testeof)
00500         {
00501           // According to 22.2.2.1.2, p8-9, first look for thousands_sep
00502           // and decimal_point.
00503           if (__lc->_M_use_grouping && __c == __lc->_M_thousands_sep)
00504         {
00505           // NB: Thousands separator at the beginning of a string
00506           // is a no-no, as is two consecutive thousands separators.
00507           if (__sep_pos)
00508             {
00509               __found_grouping += static_cast<char>(__sep_pos);
00510               __sep_pos = 0;
00511             }
00512           else
00513             {
00514               __testfail = true;
00515               break;
00516             }
00517         }
00518           else if (__c == __lc->_M_decimal_point)
00519         break;
00520           else
00521         {
00522           const char_type* __q =
00523             __traits_type::find(__lit_zero, __len, __c);
00524           if (!__q)
00525             break;
00526           
00527           __digit = __q - __lit_zero;
00528           if (__digit > 15)
00529             __digit -= 6;
00530           if (__result > __smax)
00531             __testoverflow = true;
00532           else
00533             {
00534               __result *= __base;
00535               __testoverflow |= __result > __max - __digit;
00536               __result += __digit;
00537               ++__sep_pos;
00538             }
00539         }
00540           
00541           if (++__beg != __end)
00542         __c = *__beg;
00543           else
00544         __testeof = true;
00545         }
00546     
00547     // Digit grouping is checked. If grouping and found_grouping don't
00548     // match, then get very very upset, and set failbit.
00549     if (__found_grouping.size())
00550       {
00551         // Add the ending grouping.
00552         __found_grouping += static_cast<char>(__sep_pos);
00553 
00554         if (!std::__verify_grouping(__lc->_M_grouping,
00555                     __lc->_M_grouping_size,
00556                     __found_grouping))
00557           __err = ios_base::failbit;
00558       }
00559 
00560     // _GLIBCXX_RESOLVE_LIB_DEFECTS
00561     // 23. Num_get overflow result.
00562     if ((!__sep_pos && !__found_zero && !__found_grouping.size())
00563         || __testfail)
00564       {
00565         __v = 0;
00566         __err = ios_base::failbit;
00567       }
00568     else if (__testoverflow)
00569       {
00570         if (__negative
00571         && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
00572           __v = __gnu_cxx::__numeric_traits<_ValueT>::__min;
00573         else
00574           __v = __gnu_cxx::__numeric_traits<_ValueT>::__max;
00575         __err = ios_base::failbit;
00576       }
00577     else
00578       __v = __negative ? -__result : __result;
00579 
00580     if (__testeof)
00581       __err |= ios_base::eofbit;
00582     return __beg;
00583       }
00584 
00585   // _GLIBCXX_RESOLVE_LIB_DEFECTS
00586   // 17.  Bad bool parsing
00587   template<typename _CharT, typename _InIter>
00588     _InIter
00589     num_get<_CharT, _InIter>::
00590     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00591            ios_base::iostate& __err, bool& __v) const
00592     {
00593       if (!(__io.flags() & ios_base::boolalpha))
00594         {
00595       // Parse bool values as long.
00596           // NB: We can't just call do_get(long) here, as it might
00597           // refer to a derived class.
00598       long __l = -1;
00599           __beg = _M_extract_int(__beg, __end, __io, __err, __l);
00600       if (__l == 0 || __l == 1)
00601         __v = bool(__l);
00602       else
00603         {
00604           // _GLIBCXX_RESOLVE_LIB_DEFECTS
00605           // 23. Num_get overflow result.
00606           __v = true;
00607           __err = ios_base::failbit;
00608           if (__beg == __end)
00609         __err |= ios_base::eofbit;
00610         }
00611         }
00612       else
00613         {
00614       // Parse bool values as alphanumeric.
00615       typedef __numpunct_cache<_CharT>  __cache_type;
00616       __use_cache<__cache_type> __uc;
00617       const locale& __loc = __io._M_getloc();
00618       const __cache_type* __lc = __uc(__loc);
00619 
00620       bool __testf = true;
00621       bool __testt = true;
00622       bool __donef = __lc->_M_falsename_size == 0;
00623       bool __donet = __lc->_M_truename_size == 0;
00624       bool __testeof = false;
00625       size_t __n = 0;
00626       while (!__donef || !__donet)
00627         {
00628           if (__beg == __end)
00629         {
00630           __testeof = true;
00631           break;
00632         }
00633 
00634           const char_type __c = *__beg;
00635 
00636           if (!__donef)
00637         __testf = __c == __lc->_M_falsename[__n];
00638 
00639           if (!__testf && __donet)
00640         break;
00641 
00642           if (!__donet)
00643         __testt = __c == __lc->_M_truename[__n];
00644 
00645           if (!__testt && __donef)
00646         break;
00647 
00648           if (!__testt && !__testf)
00649         break;
00650 
00651           ++__n;
00652           ++__beg;
00653 
00654           __donef = !__testf || __n >= __lc->_M_falsename_size;
00655           __donet = !__testt || __n >= __lc->_M_truename_size;
00656         }
00657       if (__testf && __n == __lc->_M_falsename_size && __n)
00658         {
00659           __v = false;
00660           if (__testt && __n == __lc->_M_truename_size)
00661         __err = ios_base::failbit;
00662           else
00663         __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
00664         }
00665       else if (__testt && __n == __lc->_M_truename_size && __n)
00666         {
00667           __v = true;
00668           __err = __testeof ? ios_base::eofbit : ios_base::goodbit;
00669         }
00670       else
00671         {
00672           // _GLIBCXX_RESOLVE_LIB_DEFECTS
00673           // 23. Num_get overflow result.
00674           __v = false;
00675           __err = ios_base::failbit;
00676           if (__testeof)
00677         __err |= ios_base::eofbit;
00678         }
00679     }
00680       return __beg;
00681     }
00682 
00683   template<typename _CharT, typename _InIter>
00684     _InIter
00685     num_get<_CharT, _InIter>::
00686     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00687        ios_base::iostate& __err, float& __v) const
00688     {
00689       string __xtrc;
00690       __xtrc.reserve(32);
00691       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00692       std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
00693       if (__beg == __end)
00694     __err |= ios_base::eofbit;
00695       return __beg;
00696     }
00697 
00698   template<typename _CharT, typename _InIter>
00699     _InIter
00700     num_get<_CharT, _InIter>::
00701     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00702            ios_base::iostate& __err, double& __v) const
00703     {
00704       string __xtrc;
00705       __xtrc.reserve(32);
00706       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00707       std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
00708       if (__beg == __end)
00709     __err |= ios_base::eofbit;
00710       return __beg;
00711     }
00712 
00713 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
00714   template<typename _CharT, typename _InIter>
00715     _InIter
00716     num_get<_CharT, _InIter>::
00717     __do_get(iter_type __beg, iter_type __end, ios_base& __io,
00718          ios_base::iostate& __err, double& __v) const
00719     {
00720       string __xtrc;
00721       __xtrc.reserve(32);
00722       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00723       std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
00724       if (__beg == __end)
00725     __err |= ios_base::eofbit;
00726       return __beg;
00727     }
00728 #endif
00729 
00730   template<typename _CharT, typename _InIter>
00731     _InIter
00732     num_get<_CharT, _InIter>::
00733     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00734            ios_base::iostate& __err, long double& __v) const
00735     {
00736       string __xtrc;
00737       __xtrc.reserve(32);
00738       __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
00739       std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
00740       if (__beg == __end)
00741     __err |= ios_base::eofbit;
00742       return __beg;
00743     }
00744 
00745   template<typename _CharT, typename _InIter>
00746     _InIter
00747     num_get<_CharT, _InIter>::
00748     do_get(iter_type __beg, iter_type __end, ios_base& __io,
00749            ios_base::iostate& __err, void*& __v) const
00750     {
00751       // Prepare for hex formatted input.
00752       typedef ios_base::fmtflags        fmtflags;
00753       const fmtflags __fmt = __io.flags();
00754       __io.flags((__fmt & ~ios_base::basefield) | ios_base::hex);
00755 
00756       typedef __gnu_cxx::__conditional_type<(sizeof(void*)
00757                          <= sizeof(unsigned long)),
00758     unsigned long, unsigned long long>::__type _UIntPtrType;       
00759 
00760       _UIntPtrType __ul;
00761       __beg = _M_extract_int(__beg, __end, __io, __err, __ul);
00762 
00763       // Reset from hex formatted input.
00764       __io.flags(__fmt);
00765 
00766       __v = reinterpret_cast<void*>(__ul);
00767       return __beg;
00768     }
00769 
00770   // For use by integer and floating-point types after they have been
00771   // converted into a char_type string.
00772   template<typename _CharT, typename _OutIter>
00773     void
00774     num_put<_CharT, _OutIter>::
00775     _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
00776        _CharT* __new, const _CharT* __cs, int& __len) const
00777     {
00778       // [22.2.2.2.2] Stage 3.
00779       // If necessary, pad.
00780       __pad<_CharT, char_traits<_CharT> >::_S_pad(__io, __fill, __new,
00781                           __cs, __w, __len);
00782       __len = static_cast<int>(__w);
00783     }
00784 
00785 _GLIBCXX_END_NAMESPACE_LDBL
00786 
00787   template<typename _CharT, typename _ValueT>
00788     int
00789     __int_to_char(_CharT* __bufend, _ValueT __v, const _CharT* __lit,
00790           ios_base::fmtflags __flags, bool __dec)
00791     {
00792       _CharT* __buf = __bufend;
00793       if (__builtin_expect(__dec, true))
00794     {
00795       // Decimal.
00796       do
00797         {
00798           *--__buf = __lit[(__v % 10) + __num_base::_S_odigits];
00799           __v /= 10;
00800         }
00801       while (__v != 0);
00802     }
00803       else if ((__flags & ios_base::basefield) == ios_base::oct)
00804     {
00805       // Octal.
00806       do
00807         {
00808           *--__buf = __lit[(__v & 0x7) + __num_base::_S_odigits];
00809           __v >>= 3;
00810         }
00811       while (__v != 0);
00812     }
00813       else
00814     {
00815       // Hex.
00816       const bool __uppercase = __flags & ios_base::uppercase;
00817       const int __case_offset = __uppercase ? __num_base::_S_oudigits
00818                                             : __num_base::_S_odigits;
00819       do
00820         {
00821           *--__buf = __lit[(__v & 0xf) + __case_offset];
00822           __v >>= 4;
00823         }
00824       while (__v != 0);
00825     }
00826       return __bufend - __buf;
00827     }
00828 
00829 _GLIBCXX_BEGIN_NAMESPACE_LDBL
00830 
00831   template<typename _CharT, typename _OutIter>
00832     void
00833     num_put<_CharT, _OutIter>::
00834     _M_group_int(const char* __grouping, size_t __grouping_size, _CharT __sep,
00835          ios_base&, _CharT* __new, _CharT* __cs, int& __len) const
00836     {
00837       _CharT* __p = std::__add_grouping(__new, __sep, __grouping,
00838                     __grouping_size, __cs, __cs + __len);
00839       __len = __p - __new;
00840     }
00841   
00842   template<typename _CharT, typename _OutIter>
00843     template<typename _ValueT>
00844       _OutIter
00845       num_put<_CharT, _OutIter>::
00846       _M_insert_int(_OutIter __s, ios_base& __io, _CharT __fill,
00847             _ValueT __v) const
00848       {
00849     using __gnu_cxx::__add_unsigned;
00850     typedef typename __add_unsigned<_ValueT>::__type __unsigned_type;
00851     typedef __numpunct_cache<_CharT>                 __cache_type;
00852     __use_cache<__cache_type> __uc;
00853     const locale& __loc = __io._M_getloc();
00854     const __cache_type* __lc = __uc(__loc);
00855     const _CharT* __lit = __lc->_M_atoms_out;
00856     const ios_base::fmtflags __flags = __io.flags();
00857 
00858     // Long enough to hold hex, dec, and octal representations.
00859     const int __ilen = 5 * sizeof(_ValueT);
00860     _CharT* __cs = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
00861                                  * __ilen));
00862 
00863     // [22.2.2.2.2] Stage 1, numeric conversion to character.
00864     // Result is returned right-justified in the buffer.
00865     const ios_base::fmtflags __basefield = __flags & ios_base::basefield;
00866     const bool __dec = (__basefield != ios_base::oct
00867                 && __basefield != ios_base::hex);
00868     const __unsigned_type __u = ((__v > 0 || !__dec)
00869                      ? __unsigned_type(__v)
00870                      : -__unsigned_type(__v));
00871     int __len = __int_to_char(__cs + __ilen, __u, __lit, __flags, __dec);
00872     __cs += __ilen - __len;
00873 
00874     // Add grouping, if necessary.
00875     if (__lc->_M_use_grouping)
00876       {
00877         // Grouping can add (almost) as many separators as the number
00878         // of digits + space is reserved for numeric base or sign.
00879         _CharT* __cs2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
00880                                   * (__len + 1)
00881                                   * 2));
00882         _M_group_int(__lc->_M_grouping, __lc->_M_grouping_size,
00883              __lc->_M_thousands_sep, __io, __cs2 + 2, __cs, __len);
00884         __cs = __cs2 + 2;
00885       }
00886 
00887     // Complete Stage 1, prepend numeric base or sign.
00888     if (__builtin_expect(__dec, true))
00889       {
00890         // Decimal.
00891         if (__v >= 0)
00892           {
00893         if (bool(__flags & ios_base::showpos)
00894             && __gnu_cxx::__numeric_traits<_ValueT>::__is_signed)
00895           *--__cs = __lit[__num_base::_S_oplus], ++__len;
00896           }
00897         else
00898           *--__cs = __lit[__num_base::_S_ominus], ++__len;
00899       }
00900     else if (bool(__flags & ios_base::showbase) && __v)
00901       {
00902         if (__basefield == ios_base::oct)
00903           *--__cs = __lit[__num_base::_S_odigits], ++__len;
00904         else
00905           {
00906         // 'x' or 'X'
00907         const bool __uppercase = __flags & ios_base::uppercase;
00908         *--__cs = __lit[__num_base::_S_ox + __uppercase];
00909         // '0'
00910         *--__cs = __lit[__num_base::_S_odigits];
00911         __len += 2;
00912           }
00913       }
00914 
00915     // Pad.
00916     const streamsize __w = __io.width();
00917     if (__w > static_cast<streamsize>(__len))
00918       {
00919         _CharT* __cs3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
00920                                   * __w));
00921         _M_pad(__fill, __w, __io, __cs3, __cs, __len);
00922         __cs = __cs3;
00923       }
00924     __io.width(0);
00925 
00926     // [22.2.2.2.2] Stage 4.
00927     // Write resulting, fully-formatted string to output iterator.
00928     return std::__write(__s, __cs, __len);
00929       }
00930 
00931   template<typename _CharT, typename _OutIter>
00932     void
00933     num_put<_CharT, _OutIter>::
00934     _M_group_float(const char* __grouping, size_t __grouping_size,
00935            _CharT __sep, const _CharT* __p, _CharT* __new,
00936            _CharT* __cs, int& __len) const
00937     {
00938       // _GLIBCXX_RESOLVE_LIB_DEFECTS
00939       // 282. What types does numpunct grouping refer to?
00940       // Add grouping, if necessary.
00941       const int __declen = __p ? __p - __cs : __len;
00942       _CharT* __p2 = std::__add_grouping(__new, __sep, __grouping,
00943                      __grouping_size,
00944                      __cs, __cs + __declen);
00945 
00946       // Tack on decimal part.
00947       int __newlen = __p2 - __new;
00948       if (__p)
00949     {
00950       char_traits<_CharT>::copy(__p2, __p, __len - __declen);
00951       __newlen += __len - __declen;
00952     }
00953       __len = __newlen;
00954     }
00955 
00956   // The following code uses vsnprintf (or vsprintf(), when
00957   // _GLIBCXX_USE_C99 is not defined) to convert floating point values
00958   // for insertion into a stream.  An optimization would be to replace
00959   // them with code that works directly on a wide buffer and then use
00960   // __pad to do the padding.  It would be good to replace them anyway
00961   // to gain back the efficiency that C++ provides by knowing up front
00962   // the type of the values to insert.  Also, sprintf is dangerous
00963   // since may lead to accidental buffer overruns.  This
00964   // implementation follows the C++ standard fairly directly as
00965   // outlined in 22.2.2.2 [lib.locale.num.put]
00966   template<typename _CharT, typename _OutIter>
00967     template<typename _ValueT>
00968       _OutIter
00969       num_put<_CharT, _OutIter>::
00970       _M_insert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod,
00971                _ValueT __v) const
00972       {
00973     typedef __numpunct_cache<_CharT>                __cache_type;
00974     __use_cache<__cache_type> __uc;
00975     const locale& __loc = __io._M_getloc();
00976     const __cache_type* __lc = __uc(__loc);
00977 
00978     // Use default precision if out of range.
00979     const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
00980 
00981     const int __max_digits =
00982       __gnu_cxx::__numeric_traits<_ValueT>::__digits10;
00983 
00984     // [22.2.2.2.2] Stage 1, numeric conversion to character.
00985     int __len;
00986     // Long enough for the max format spec.
00987     char __fbuf[16];
00988     __num_base::_S_format_float(__io, __fbuf, __mod);
00989 
00990 #ifdef _GLIBCXX_USE_C99
00991     // First try a buffer perhaps big enough (most probably sufficient
00992     // for non-ios_base::fixed outputs)
00993     int __cs_size = __max_digits * 3;
00994     char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
00995     __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
00996                       __fbuf, __prec, __v);
00997 
00998     // If the buffer was not large enough, try again with the correct size.
00999     if (__len >= __cs_size)
01000       {
01001         __cs_size = __len + 1;
01002         __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01003         __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
01004                       __fbuf, __prec, __v);
01005       }
01006 #else
01007     // Consider the possibility of long ios_base::fixed outputs
01008     const bool __fixed = __io.flags() & ios_base::fixed;
01009     const int __max_exp =
01010       __gnu_cxx::__numeric_traits<_ValueT>::__max_exponent10;
01011 
01012     // The size of the output string is computed as follows.
01013     // ios_base::fixed outputs may need up to __max_exp + 1 chars
01014     // for the integer part + __prec chars for the fractional part
01015     // + 3 chars for sign, decimal point, '\0'. On the other hand,
01016     // for non-fixed outputs __max_digits * 2 + __prec chars are
01017     // largely sufficient.
01018     const int __cs_size = __fixed ? __max_exp + __prec + 4
01019                                   : __max_digits * 2 + __prec;
01020     char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
01021     __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, __fbuf, 
01022                       __prec, __v);
01023 #endif
01024 
01025     // [22.2.2.2.2] Stage 2, convert to char_type, using correct
01026     // numpunct.decimal_point() values for '.' and adding grouping.
01027     const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
01028     
01029     _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
01030                                  * __len));
01031     __ctype.widen(__cs, __cs + __len, __ws);
01032     
01033     // Replace decimal point.
01034     _CharT* __wp = 0;
01035     const char* __p = char_traits<char>::find(__cs, __len, '.');
01036     if (__p)
01037       {
01038         __wp = __ws + (__p - __cs);
01039         *__wp = __lc->_M_decimal_point;
01040       }
01041     
01042     // Add grouping, if necessary.
01043     // N.B. Make sure to not group things like 2e20, i.e., no decimal
01044     // point, scientific notation.
01045     if (__lc->_M_use_grouping
01046         && (__wp || __len < 3 || (__cs[1] <= '9' && __cs[2] <= '9'
01047                       && __cs[1] >= '0' && __cs[2] >= '0')))
01048       {
01049         // Grouping can add (almost) as many separators as the
01050         // number of digits, but no more.
01051         _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
01052                                   * __len * 2));
01053         
01054         streamsize __off = 0;
01055         if (__cs[0] == '-' || __cs[0] == '+')
01056           {
01057         __off = 1;
01058         __ws2[0] = __ws[0];
01059         __len -= 1;
01060           }
01061         
01062         _M_group_float(__lc->_M_grouping, __lc->_M_grouping_size,
01063                __lc->_M_thousands_sep, __wp, __ws2 + __off,
01064                __ws + __off, __len);
01065         __len += __off;
01066         
01067         __ws = __ws2;
01068       }
01069 
01070     // Pad.
01071     const streamsize __w = __io.width();
01072     if (__w > static_cast<streamsize>(__len))
01073       {
01074         _CharT* __ws3 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
01075                                   * __w));
01076         _M_pad(__fill, __w, __io, __ws3, __ws, __len);
01077         __ws = __ws3;
01078       }
01079     __io.width(0);
01080     
01081     // [22.2.2.2.2] Stage 4.
01082     // Write resulting, fully-formatted string to output iterator.
01083     return std::__write(__s, __ws, __len);
01084       }
01085   
01086   template<typename _CharT, typename _OutIter>
01087     _OutIter
01088     num_put<_CharT, _OutIter>::
01089     do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const
01090     {
01091       const ios_base::fmtflags __flags = __io.flags();
01092       if ((__flags & ios_base::boolalpha) == 0)
01093         {
01094           const long __l = __v;
01095           __s = _M_insert_int(__s, __io, __fill, __l);
01096         }
01097       else
01098         {
01099       typedef __numpunct_cache<_CharT>              __cache_type;
01100       __use_cache<__cache_type> __uc;
01101       const locale& __loc = __io._M_getloc();
01102       const __cache_type* __lc = __uc(__loc);
01103 
01104       const _CharT* __name = __v ? __lc->_M_truename
01105                                  : __lc->_M_falsename;
01106       int __len = __v ? __lc->_M_truename_size
01107                       : __lc->_M_falsename_size;
01108 
01109       const streamsize __w = __io.width();
01110       if (__w > static_cast<streamsize>(__len))
01111         {
01112           const streamsize __plen = __w - __len;
01113           _CharT* __ps
01114         = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT)
01115                             * __plen));
01116 
01117           char_traits<_CharT>::assign(__ps, __plen, __fill);
01118           __io.width(0);
01119 
01120           if ((__flags & ios_base::adjustfield) == ios_base::left)
01121         {
01122           __s = std::__write(__s, __name, __len);
01123           __s = std::__write(__s, __ps, __plen);
01124         }
01125           else
01126         {
01127           __s = std::__write(__s, __ps, __plen);
01128           __s = std::__write(__s, __name, __len);
01129         }
01130           return __s;
01131         }
01132       __io.width(0);
01133       __s = std::__write(__s, __name, __len);
01134     }
01135       return __s;
01136     }
01137 
01138   template<typename _CharT, typename _OutIter>
01139     _OutIter
01140     num_put<_CharT, _OutIter>::
01141     do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
01142     { return _M_insert_float(__s, __io, __fill, char(), __v); }
01143 
01144 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
01145   template<typename _CharT, typename _OutIter>
01146     _OutIter
01147     num_put<_CharT, _OutIter>::
01148     __do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const
01149     { return _M_insert_float(__s, __io, __fill, char(), __v); }
01150 #endif
01151 
01152   template<typename _CharT, typename _OutIter>
01153     _OutIter
01154     num_put<_CharT, _OutIter>::
01155     do_put(iter_type __s, ios_base& __io, char_type __fill,
01156        long double __v) const
01157     { return _M_insert_float(__s, __io, __fill, 'L', __v); }
01158 
01159   template<typename _CharT, typename _OutIter>
01160     _OutIter
01161     num_put<_CharT, _OutIter>::
01162     do_put(iter_type __s, ios_base& __io, char_type __fill,
01163            const void* __v) const
01164     {
01165       const ios_base::fmtflags __flags = __io.flags();
01166       const ios_base::fmtflags __fmt = ~(ios_base::basefield
01167                      | ios_base::uppercase);
01168       __io.flags((__flags & __fmt) | (ios_base::hex | ios_base::showbase));
01169 
01170       typedef __gnu_cxx::__conditional_type<(sizeof(const void*)
01171                          <= sizeof(unsigned long)),
01172     unsigned long, unsigned long long>::__type _UIntPtrType;       
01173 
01174       __s = _M_insert_int(__s, __io, __fill,
01175               reinterpret_cast<_UIntPtrType>(__v));
01176       __io.flags(__flags);
01177       return __s;
01178     }
01179 
01180 _GLIBCXX_END_NAMESPACE_LDBL
01181 
01182   // Construct correctly padded string, as per 22.2.2.2.2
01183   // Assumes
01184   // __newlen > __oldlen
01185   // __news is allocated for __newlen size
01186 
01187   // NB: Of the two parameters, _CharT can be deduced from the
01188   // function arguments. The other (_Traits) has to be explicitly specified.
01189   template<typename _CharT, typename _Traits>
01190     void
01191     __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill,
01192                    _CharT* __news, const _CharT* __olds,
01193                    streamsize __newlen, streamsize __oldlen)
01194     {
01195       const size_t __plen = static_cast<size_t>(__newlen - __oldlen);
01196       const ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield;
01197 
01198       // Padding last.
01199       if (__adjust == ios_base::left)
01200     {
01201       _Traits::copy(__news, __olds, __oldlen);
01202       _Traits::assign(__news + __oldlen, __plen, __fill);
01203       return;
01204     }
01205 
01206       size_t __mod = 0;
01207       if (__adjust == ios_base::internal)
01208     {
01209       // Pad after the sign, if there is one.
01210       // Pad after 0[xX], if there is one.
01211       // Who came up with these rules, anyway? Jeeze.
01212           const locale& __loc = __io._M_getloc();
01213       const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
01214 
01215       if (__ctype.widen('-') == __olds[0]
01216           || __ctype.widen('+') == __olds[0])
01217         {
01218           __news[0] = __olds[0];
01219           __mod = 1;
01220           ++__news;
01221         }
01222       else if (__ctype.widen('0') == __olds[0]
01223            && __oldlen > 1
01224            && (__ctype.widen('x') == __olds[1]
01225                || __ctype.widen('X') == __olds[1]))
01226         {
01227           __news[0] = __olds[0];
01228           __news[1] = __olds[1];
01229           __mod = 2;
01230           __news += 2;
01231         }
01232       // else Padding first.
01233     }
01234       _Traits::assign(__news, __plen, __fill);
01235       _Traits::copy(__news + __plen, __olds + __mod, __oldlen - __mod);
01236     }
01237 
01238   template<typename _CharT>
01239     _CharT*
01240     __add_grouping(_CharT* __s, _CharT __sep,
01241            const char* __gbeg, size_t __gsize,
01242            const _CharT* __first, const _CharT* __last)
01243     {
01244       size_t __idx = 0;
01245       size_t __ctr = 0;
01246 
01247       while (__last - __first > __gbeg[__idx]
01248          && static_cast<signed char>(__gbeg[__idx]) > 0
01249          && __gbeg[__idx] != __gnu_cxx::__numeric_traits<char>::__max)
01250     {
01251       __last -= __gbeg[__idx];
01252       __idx < __gsize - 1 ? ++__idx : ++__ctr;
01253     }
01254 
01255       while (__first != __last)
01256     *__s++ = *__first++;
01257 
01258       while (__ctr--)
01259     {
01260       *__s++ = __sep;     
01261       for (char __i = __gbeg[__idx]; __i > 0; --__i)
01262         *__s++ = *__first++;
01263     }
01264 
01265       while (__idx--)
01266     {
01267       *__s++ = __sep;     
01268       for (char __i = __gbeg[__idx]; __i > 0; --__i)
01269         *__s++ = *__first++;
01270     }
01271 
01272       return __s;
01273     }
01274 
01275   // Inhibit implicit instantiations for required instantiations,
01276   // which are defined via explicit instantiations elsewhere.
01277 #if _GLIBCXX_EXTERN_TEMPLATE
01278   extern template class numpunct<char>;
01279   extern template class numpunct_byname<char>;
01280   extern template class _GLIBCXX_NAMESPACE_LDBL num_get<char>;
01281   extern template class _GLIBCXX_NAMESPACE_LDBL num_put<char>;
01282   extern template class ctype_byname<char>;
01283 
01284   extern template
01285     const ctype<char>&
01286     use_facet<ctype<char> >(const locale&);
01287 
01288   extern template
01289     const numpunct<char>&
01290     use_facet<numpunct<char> >(const locale&);
01291 
01292   extern template
01293     const num_put<char>&
01294     use_facet<num_put<char> >(const locale&);
01295 
01296   extern template
01297     const num_get<char>&
01298     use_facet<num_get<char> >(const locale&);
01299 
01300   extern template
01301     bool
01302     has_facet<ctype<char> >(const locale&);
01303 
01304   extern template
01305     bool
01306     has_facet<numpunct<char> >(const locale&);
01307 
01308   extern template
01309     bool
01310     has_facet<num_put<char> >(const locale&);
01311 
01312   extern template
01313     bool
01314     has_facet<num_get<char> >(const locale&);
01315 
01316 #ifdef _GLIBCXX_USE_WCHAR_T
01317   extern template class numpunct<wchar_t>;
01318   extern template class numpunct_byname<wchar_t>;
01319   extern template class _GLIBCXX_NAMESPACE_LDBL num_get<wchar_t>;
01320   extern template class _GLIBCXX_NAMESPACE_LDBL num_put<wchar_t>;
01321   extern template class ctype_byname<wchar_t>;
01322 
01323   extern template
01324     const ctype<wchar_t>&
01325     use_facet<ctype<wchar_t> >(const locale&);
01326 
01327   extern template
01328     const numpunct<wchar_t>&
01329     use_facet<numpunct<wchar_t> >(const locale&);
01330 
01331   extern template
01332     const num_put<wchar_t>&
01333     use_facet<num_put<wchar_t> >(const locale&);
01334 
01335   extern template
01336     const num_get<wchar_t>&
01337     use_facet<num_get<wchar_t> >(const locale&);
01338 
01339  extern template
01340     bool
01341     has_facet<ctype<wchar_t> >(const locale&);
01342 
01343   extern template
01344     bool
01345     has_facet<numpunct<wchar_t> >(const locale&);
01346 
01347   extern template
01348     bool
01349     has_facet<num_put<wchar_t> >(const locale&);
01350 
01351   extern template
01352     bool
01353     has_facet<num_get<wchar_t> >(const locale&);
01354 #endif
01355 #endif
01356 
01357 _GLIBCXX_END_NAMESPACE_VERSION
01358 } // namespace
01359 
01360 #endif