libstdc++
locale_facets_nonio.h
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00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 2007-2019 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_nonio.h
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 //
00031 // ISO C++ 14882: 22.1  Locales
00032 //
00033 
00034 #ifndef _LOCALE_FACETS_NONIO_H
00035 #define _LOCALE_FACETS_NONIO_H 1
00036 
00037 #pragma GCC system_header
00038 
00039 #include <ctime>        // For struct tm
00040 
00041 namespace std _GLIBCXX_VISIBILITY(default)
00042 {
00043 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00044 
00045   /**
00046    *  @brief  Time format ordering data.
00047    *  @ingroup locales
00048    *
00049    *  This class provides an enum representing different orderings of
00050    *  time: day, month, and year.
00051   */
00052   class time_base
00053   {
00054   public:
00055     enum dateorder { no_order, dmy, mdy, ymd, ydm };
00056   };
00057 
00058   template<typename _CharT>
00059     struct __timepunct_cache : public locale::facet
00060     {
00061       // List of all known timezones, with GMT first.
00062       static const _CharT*              _S_timezones[14];
00063 
00064       const _CharT*                     _M_date_format;
00065       const _CharT*                     _M_date_era_format;
00066       const _CharT*                     _M_time_format;
00067       const _CharT*                     _M_time_era_format;
00068       const _CharT*                     _M_date_time_format;
00069       const _CharT*                     _M_date_time_era_format;
00070       const _CharT*                     _M_am;
00071       const _CharT*                     _M_pm;
00072       const _CharT*                     _M_am_pm_format;
00073 
00074       // Day names, starting with "C"'s Sunday.
00075       const _CharT*                     _M_day1;
00076       const _CharT*                     _M_day2;
00077       const _CharT*                     _M_day3;
00078       const _CharT*                     _M_day4;
00079       const _CharT*                     _M_day5;
00080       const _CharT*                     _M_day6;
00081       const _CharT*                     _M_day7;
00082 
00083       // Abbreviated day names, starting with "C"'s Sun.
00084       const _CharT*                     _M_aday1;
00085       const _CharT*                     _M_aday2;
00086       const _CharT*                     _M_aday3;
00087       const _CharT*                     _M_aday4;
00088       const _CharT*                     _M_aday5;
00089       const _CharT*                     _M_aday6;
00090       const _CharT*                     _M_aday7;
00091 
00092       // Month names, starting with "C"'s January.
00093       const _CharT*                     _M_month01;
00094       const _CharT*                     _M_month02;
00095       const _CharT*                     _M_month03;
00096       const _CharT*                     _M_month04;
00097       const _CharT*                     _M_month05;
00098       const _CharT*                     _M_month06;
00099       const _CharT*                     _M_month07;
00100       const _CharT*                     _M_month08;
00101       const _CharT*                     _M_month09;
00102       const _CharT*                     _M_month10;
00103       const _CharT*                     _M_month11;
00104       const _CharT*                     _M_month12;
00105 
00106       // Abbreviated month names, starting with "C"'s Jan.
00107       const _CharT*                     _M_amonth01;
00108       const _CharT*                     _M_amonth02;
00109       const _CharT*                     _M_amonth03;
00110       const _CharT*                     _M_amonth04;
00111       const _CharT*                     _M_amonth05;
00112       const _CharT*                     _M_amonth06;
00113       const _CharT*                     _M_amonth07;
00114       const _CharT*                     _M_amonth08;
00115       const _CharT*                     _M_amonth09;
00116       const _CharT*                     _M_amonth10;
00117       const _CharT*                     _M_amonth11;
00118       const _CharT*                     _M_amonth12;
00119 
00120       bool                              _M_allocated;
00121 
00122       __timepunct_cache(size_t __refs = 0) : facet(__refs),
00123       _M_date_format(0), _M_date_era_format(0), _M_time_format(0),
00124       _M_time_era_format(0), _M_date_time_format(0),
00125       _M_date_time_era_format(0), _M_am(0), _M_pm(0),
00126       _M_am_pm_format(0), _M_day1(0), _M_day2(0), _M_day3(0),
00127       _M_day4(0), _M_day5(0), _M_day6(0), _M_day7(0),
00128       _M_aday1(0), _M_aday2(0), _M_aday3(0), _M_aday4(0),
00129       _M_aday5(0), _M_aday6(0), _M_aday7(0), _M_month01(0),
00130       _M_month02(0), _M_month03(0), _M_month04(0), _M_month05(0),
00131       _M_month06(0), _M_month07(0), _M_month08(0), _M_month09(0),
00132       _M_month10(0), _M_month11(0), _M_month12(0), _M_amonth01(0),
00133       _M_amonth02(0), _M_amonth03(0), _M_amonth04(0),
00134       _M_amonth05(0), _M_amonth06(0), _M_amonth07(0),
00135       _M_amonth08(0), _M_amonth09(0), _M_amonth10(0),
00136       _M_amonth11(0), _M_amonth12(0), _M_allocated(false)
00137       { }
00138 
00139       ~__timepunct_cache();
00140 
00141     private:
00142       __timepunct_cache&
00143       operator=(const __timepunct_cache&);
00144       
00145       explicit
00146       __timepunct_cache(const __timepunct_cache&);
00147     };
00148 
00149   template<typename _CharT>
00150     __timepunct_cache<_CharT>::~__timepunct_cache()
00151     {
00152       if (_M_allocated)
00153         {
00154           // Unused.
00155         }
00156     }
00157 
00158   // Specializations.
00159   template<>
00160     const char*
00161     __timepunct_cache<char>::_S_timezones[14];
00162 
00163 #ifdef _GLIBCXX_USE_WCHAR_T
00164   template<>
00165     const wchar_t*
00166     __timepunct_cache<wchar_t>::_S_timezones[14];
00167 #endif
00168 
00169   // Generic.
00170   template<typename _CharT>
00171     const _CharT* __timepunct_cache<_CharT>::_S_timezones[14];
00172 
00173   template<typename _CharT>
00174     class __timepunct : public locale::facet
00175     {
00176     public:
00177       // Types:
00178       typedef _CharT                    __char_type;
00179       typedef __timepunct_cache<_CharT> __cache_type;
00180 
00181     protected:
00182       __cache_type*                     _M_data;
00183       __c_locale                        _M_c_locale_timepunct;
00184       const char*                       _M_name_timepunct;
00185 
00186     public:
00187       /// Numpunct facet id.
00188       static locale::id                 id;
00189 
00190       explicit
00191       __timepunct(size_t __refs = 0);
00192 
00193       explicit
00194       __timepunct(__cache_type* __cache, size_t __refs = 0);
00195 
00196       /**
00197        *  @brief  Internal constructor. Not for general use.
00198        *
00199        *  This is a constructor for use by the library itself to set up new
00200        *  locales.
00201        *
00202        *  @param __cloc  The C locale.
00203        *  @param __s  The name of a locale.
00204        *  @param refs  Passed to the base facet class.
00205       */
00206       explicit
00207       __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);
00208 
00209       // FIXME: for error checking purposes _M_put should return the return
00210       // value of strftime/wcsftime.
00211       void
00212       _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format,
00213              const tm* __tm) const throw ();
00214 
00215       void
00216       _M_date_formats(const _CharT** __date) const
00217       {
00218         // Always have default first.
00219         __date[0] = _M_data->_M_date_format;
00220         __date[1] = _M_data->_M_date_era_format;
00221       }
00222 
00223       void
00224       _M_time_formats(const _CharT** __time) const
00225       {
00226         // Always have default first.
00227         __time[0] = _M_data->_M_time_format;
00228         __time[1] = _M_data->_M_time_era_format;
00229       }
00230 
00231       void
00232       _M_date_time_formats(const _CharT** __dt) const
00233       {
00234         // Always have default first.
00235         __dt[0] = _M_data->_M_date_time_format;
00236         __dt[1] = _M_data->_M_date_time_era_format;
00237       }
00238 
00239 #if !_GLIBCXX_INLINE_VERSION
00240       void
00241       _M_am_pm_format(const _CharT*) const
00242       { /* Kept for ABI compatibility, see PR65927 */ }
00243 #endif
00244 
00245       void
00246       _M_am_pm(const _CharT** __ampm) const
00247       {
00248         __ampm[0] = _M_data->_M_am;
00249         __ampm[1] = _M_data->_M_pm;
00250       }
00251 
00252       void
00253       _M_days(const _CharT** __days) const
00254       {
00255         __days[0] = _M_data->_M_day1;
00256         __days[1] = _M_data->_M_day2;
00257         __days[2] = _M_data->_M_day3;
00258         __days[3] = _M_data->_M_day4;
00259         __days[4] = _M_data->_M_day5;
00260         __days[5] = _M_data->_M_day6;
00261         __days[6] = _M_data->_M_day7;
00262       }
00263 
00264       void
00265       _M_days_abbreviated(const _CharT** __days) const
00266       {
00267         __days[0] = _M_data->_M_aday1;
00268         __days[1] = _M_data->_M_aday2;
00269         __days[2] = _M_data->_M_aday3;
00270         __days[3] = _M_data->_M_aday4;
00271         __days[4] = _M_data->_M_aday5;
00272         __days[5] = _M_data->_M_aday6;
00273         __days[6] = _M_data->_M_aday7;
00274       }
00275 
00276       void
00277       _M_months(const _CharT** __months) const
00278       {
00279         __months[0] = _M_data->_M_month01;
00280         __months[1] = _M_data->_M_month02;
00281         __months[2] = _M_data->_M_month03;
00282         __months[3] = _M_data->_M_month04;
00283         __months[4] = _M_data->_M_month05;
00284         __months[5] = _M_data->_M_month06;
00285         __months[6] = _M_data->_M_month07;
00286         __months[7] = _M_data->_M_month08;
00287         __months[8] = _M_data->_M_month09;
00288         __months[9] = _M_data->_M_month10;
00289         __months[10] = _M_data->_M_month11;
00290         __months[11] = _M_data->_M_month12;
00291       }
00292 
00293       void
00294       _M_months_abbreviated(const _CharT** __months) const
00295       {
00296         __months[0] = _M_data->_M_amonth01;
00297         __months[1] = _M_data->_M_amonth02;
00298         __months[2] = _M_data->_M_amonth03;
00299         __months[3] = _M_data->_M_amonth04;
00300         __months[4] = _M_data->_M_amonth05;
00301         __months[5] = _M_data->_M_amonth06;
00302         __months[6] = _M_data->_M_amonth07;
00303         __months[7] = _M_data->_M_amonth08;
00304         __months[8] = _M_data->_M_amonth09;
00305         __months[9] = _M_data->_M_amonth10;
00306         __months[10] = _M_data->_M_amonth11;
00307         __months[11] = _M_data->_M_amonth12;
00308       }
00309 
00310     protected:
00311       virtual
00312       ~__timepunct();
00313 
00314       // For use at construction time only.
00315       void
00316       _M_initialize_timepunct(__c_locale __cloc = 0);
00317     };
00318 
00319   template<typename _CharT>
00320     locale::id __timepunct<_CharT>::id;
00321 
00322   // Specializations.
00323   template<>
00324     void
00325     __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
00326 
00327   template<>
00328     void
00329     __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const throw ();
00330 
00331 #ifdef _GLIBCXX_USE_WCHAR_T
00332   template<>
00333     void
00334     __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
00335 
00336   template<>
00337     void
00338     __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*,
00339                                  const tm*) const throw ();
00340 #endif
00341 
00342 _GLIBCXX_END_NAMESPACE_VERSION
00343 } // namespace
00344 
00345   // Include host and configuration specific timepunct functions.
00346   #include <bits/time_members.h>
00347 
00348 namespace std _GLIBCXX_VISIBILITY(default)
00349 {
00350 _GLIBCXX_BEGIN_NAMESPACE_VERSION
00351 
00352 _GLIBCXX_BEGIN_NAMESPACE_CXX11
00353 
00354   /**
00355    *  @brief  Primary class template time_get.
00356    *  @ingroup locales
00357    *
00358    *  This facet encapsulates the code to parse and return a date or
00359    *  time from a string.  It is used by the istream numeric
00360    *  extraction operators.
00361    *
00362    *  The time_get template uses protected virtual functions to provide the
00363    *  actual results.  The public accessors forward the call to the virtual
00364    *  functions.  These virtual functions are hooks for developers to
00365    *  implement the behavior they require from the time_get facet.
00366   */
00367   template<typename _CharT, typename _InIter>
00368     class time_get : public locale::facet, public time_base
00369     {
00370     public:
00371       // Types:
00372       //@{
00373       /// Public typedefs
00374       typedef _CharT                    char_type;
00375       typedef _InIter                   iter_type;
00376       //@}
00377 
00378       /// Numpunct facet id.
00379       static locale::id                 id;
00380 
00381       /**
00382        *  @brief  Constructor performs initialization.
00383        *
00384        *  This is the constructor provided by the standard.
00385        *
00386        *  @param __refs  Passed to the base facet class.
00387       */
00388       explicit
00389       time_get(size_t __refs = 0)
00390       : facet (__refs) { }
00391 
00392       /**
00393        *  @brief  Return preferred order of month, day, and year.
00394        *
00395        *  This function returns an enum from time_base::dateorder giving the
00396        *  preferred ordering if the format @a x given to time_put::put() only
00397        *  uses month, day, and year.  If the format @a x for the associated
00398        *  locale uses other fields, this function returns
00399        *  time_base::dateorder::noorder.
00400        *
00401        *  NOTE: The library always returns noorder at the moment.
00402        *
00403        *  @return  A member of time_base::dateorder.
00404       */
00405       dateorder
00406       date_order()  const
00407       { return this->do_date_order(); }
00408 
00409       /**
00410        *  @brief  Parse input time string.
00411        *
00412        *  This function parses a time according to the format @a X and puts the
00413        *  results into a user-supplied struct tm.  The result is returned by
00414        *  calling time_get::do_get_time().
00415        *
00416        *  If there is a valid time string according to format @a X, @a tm will
00417        *  be filled in accordingly and the returned iterator will point to the
00418        *  first character beyond the time string.  If an error occurs before
00419        *  the end, err |= ios_base::failbit.  If parsing reads all the
00420        *  characters, err |= ios_base::eofbit.
00421        *
00422        *  @param  __beg  Start of string to parse.
00423        *  @param  __end  End of string to parse.
00424        *  @param  __io  Source of the locale.
00425        *  @param  __err  Error flags to set.
00426        *  @param  __tm  Pointer to struct tm to fill in.
00427        *  @return  Iterator to first char beyond time string.
00428       */
00429       iter_type
00430       get_time(iter_type __beg, iter_type __end, ios_base& __io,
00431                ios_base::iostate& __err, tm* __tm)  const
00432       { return this->do_get_time(__beg, __end, __io, __err, __tm); }
00433 
00434       /**
00435        *  @brief  Parse input date string.
00436        *
00437        *  This function parses a date according to the format @a x and puts the
00438        *  results into a user-supplied struct tm.  The result is returned by
00439        *  calling time_get::do_get_date().
00440        *
00441        *  If there is a valid date string according to format @a x, @a tm will
00442        *  be filled in accordingly and the returned iterator will point to the
00443        *  first character beyond the date string.  If an error occurs before
00444        *  the end, err |= ios_base::failbit.  If parsing reads all the
00445        *  characters, err |= ios_base::eofbit.
00446        *
00447        *  @param  __beg  Start of string to parse.
00448        *  @param  __end  End of string to parse.
00449        *  @param  __io  Source of the locale.
00450        *  @param  __err  Error flags to set.
00451        *  @param  __tm  Pointer to struct tm to fill in.
00452        *  @return  Iterator to first char beyond date string.
00453       */
00454       iter_type
00455       get_date(iter_type __beg, iter_type __end, ios_base& __io,
00456                ios_base::iostate& __err, tm* __tm)  const
00457       { return this->do_get_date(__beg, __end, __io, __err, __tm); }
00458 
00459       /**
00460        *  @brief  Parse input weekday string.
00461        *
00462        *  This function parses a weekday name and puts the results into a
00463        *  user-supplied struct tm.  The result is returned by calling
00464        *  time_get::do_get_weekday().
00465        *
00466        *  Parsing starts by parsing an abbreviated weekday name.  If a valid
00467        *  abbreviation is followed by a character that would lead to the full
00468        *  weekday name, parsing continues until the full name is found or an
00469        *  error occurs.  Otherwise parsing finishes at the end of the
00470        *  abbreviated name.
00471        *
00472        *  If an error occurs before the end, err |= ios_base::failbit.  If
00473        *  parsing reads all the characters, err |= ios_base::eofbit.
00474        *
00475        *  @param  __beg  Start of string to parse.
00476        *  @param  __end  End of string to parse.
00477        *  @param  __io  Source of the locale.
00478        *  @param  __err  Error flags to set.
00479        *  @param  __tm  Pointer to struct tm to fill in.
00480        *  @return  Iterator to first char beyond weekday name.
00481       */
00482       iter_type
00483       get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
00484                   ios_base::iostate& __err, tm* __tm) const
00485       { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
00486 
00487       /**
00488        *  @brief  Parse input month string.
00489        *
00490        *  This function parses a month name and puts the results into a
00491        *  user-supplied struct tm.  The result is returned by calling
00492        *  time_get::do_get_monthname().
00493        *
00494        *  Parsing starts by parsing an abbreviated month name.  If a valid
00495        *  abbreviation is followed by a character that would lead to the full
00496        *  month name, parsing continues until the full name is found or an
00497        *  error occurs.  Otherwise parsing finishes at the end of the
00498        *  abbreviated name.
00499        *
00500        *  If an error occurs before the end, err |= ios_base::failbit.  If
00501        *  parsing reads all the characters, err |=
00502        *  ios_base::eofbit.
00503        *
00504        *  @param  __beg  Start of string to parse.
00505        *  @param  __end  End of string to parse.
00506        *  @param  __io  Source of the locale.
00507        *  @param  __err  Error flags to set.
00508        *  @param  __tm  Pointer to struct tm to fill in.
00509        *  @return  Iterator to first char beyond month name.
00510       */
00511       iter_type
00512       get_monthname(iter_type __beg, iter_type __end, ios_base& __io,
00513                     ios_base::iostate& __err, tm* __tm) const
00514       { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
00515 
00516       /**
00517        *  @brief  Parse input year string.
00518        *
00519        *  This function reads up to 4 characters to parse a year string and
00520        *  puts the results into a user-supplied struct tm.  The result is
00521        *  returned by calling time_get::do_get_year().
00522        *
00523        *  4 consecutive digits are interpreted as a full year.  If there are
00524        *  exactly 2 consecutive digits, the library interprets this as the
00525        *  number of years since 1900.
00526        *
00527        *  If an error occurs before the end, err |= ios_base::failbit.  If
00528        *  parsing reads all the characters, err |= ios_base::eofbit.
00529        *
00530        *  @param  __beg  Start of string to parse.
00531        *  @param  __end  End of string to parse.
00532        *  @param  __io  Source of the locale.
00533        *  @param  __err  Error flags to set.
00534        *  @param  __tm  Pointer to struct tm to fill in.
00535        *  @return  Iterator to first char beyond year.
00536       */
00537       iter_type
00538       get_year(iter_type __beg, iter_type __end, ios_base& __io,
00539                ios_base::iostate& __err, tm* __tm) const
00540       { return this->do_get_year(__beg, __end, __io, __err, __tm); }
00541 
00542 #if __cplusplus >= 201103L
00543       /**
00544        *  @brief  Parse input string according to format.
00545        *
00546        *  This function calls time_get::do_get with the provided
00547        *  parameters.  @see do_get() and get().
00548        *
00549        *  @param __s        Start of string to parse.
00550        *  @param __end      End of string to parse.
00551        *  @param __io       Source of the locale.
00552        *  @param __err      Error flags to set.
00553        *  @param __tm       Pointer to struct tm to fill in.
00554        *  @param __format   Format specifier.
00555        *  @param __modifier Format modifier.
00556        *  @return  Iterator to first char not parsed.
00557        */
00558       inline
00559       iter_type get(iter_type __s, iter_type __end, ios_base& __io,
00560                     ios_base::iostate& __err, tm* __tm, char __format,
00561                     char __modifier = 0) const
00562       {
00563         return this->do_get(__s, __end, __io, __err, __tm, __format,
00564                             __modifier);
00565       }
00566 
00567       /**
00568        *  @brief  Parse input string according to format.
00569        *
00570        *  This function parses the input string according to a
00571        *  provided format string.  It does the inverse of
00572        *  time_put::put.  The format string follows the format
00573        *  specified for strftime(3)/strptime(3).  The actual parsing
00574        *  is done by time_get::do_get.
00575        *
00576        *  @param __s        Start of string to parse.
00577        *  @param __end      End of string to parse.
00578        *  @param __io       Source of the locale.
00579        *  @param __err      Error flags to set.
00580        *  @param __tm       Pointer to struct tm to fill in.
00581        *  @param __fmt      Start of the format string.
00582        *  @param __fmtend   End of the format string.
00583        *  @return  Iterator to first char not parsed.
00584        */
00585       iter_type get(iter_type __s, iter_type __end, ios_base& __io,
00586                     ios_base::iostate& __err, tm* __tm, const char_type* __fmt,
00587                     const char_type* __fmtend) const;
00588 #endif // __cplusplus >= 201103L
00589 
00590     protected:
00591       /// Destructor.
00592       virtual
00593       ~time_get() { }
00594 
00595       /**
00596        *  @brief  Return preferred order of month, day, and year.
00597        *
00598        *  This function returns an enum from time_base::dateorder giving the
00599        *  preferred ordering if the format @a x given to time_put::put() only
00600        *  uses month, day, and year.  This function is a hook for derived
00601        *  classes to change the value returned.
00602        *
00603        *  @return  A member of time_base::dateorder.
00604       */
00605       virtual dateorder
00606       do_date_order() const;
00607 
00608       /**
00609        *  @brief  Parse input time string.
00610        *
00611        *  This function parses a time according to the format @a x and puts the
00612        *  results into a user-supplied struct tm.  This function is a hook for
00613        *  derived classes to change the value returned.  @see get_time() for
00614        *  details.
00615        *
00616        *  @param  __beg  Start of string to parse.
00617        *  @param  __end  End of string to parse.
00618        *  @param  __io  Source of the locale.
00619        *  @param  __err  Error flags to set.
00620        *  @param  __tm  Pointer to struct tm to fill in.
00621        *  @return  Iterator to first char beyond time string.
00622       */
00623       virtual iter_type
00624       do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
00625                   ios_base::iostate& __err, tm* __tm) const;
00626 
00627       /**
00628        *  @brief  Parse input date string.
00629        *
00630        *  This function parses a date according to the format @a X and puts the
00631        *  results into a user-supplied struct tm.  This function is a hook for
00632        *  derived classes to change the value returned.  @see get_date() for
00633        *  details.
00634        *
00635        *  @param  __beg  Start of string to parse.
00636        *  @param  __end  End of string to parse.
00637        *  @param  __io  Source of the locale.
00638        *  @param  __err  Error flags to set.
00639        *  @param  __tm  Pointer to struct tm to fill in.
00640        *  @return  Iterator to first char beyond date string.
00641       */
00642       virtual iter_type
00643       do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
00644                   ios_base::iostate& __err, tm* __tm) const;
00645 
00646       /**
00647        *  @brief  Parse input weekday string.
00648        *
00649        *  This function parses a weekday name and puts the results into a
00650        *  user-supplied struct tm.  This function is a hook for derived
00651        *  classes to change the value returned.  @see get_weekday() for
00652        *  details.
00653        *
00654        *  @param  __beg  Start of string to parse.
00655        *  @param  __end  End of string to parse.
00656        *  @param  __io  Source of the locale.
00657        *  @param  __err  Error flags to set.
00658        *  @param  __tm  Pointer to struct tm to fill in.
00659        *  @return  Iterator to first char beyond weekday name.
00660       */
00661       virtual iter_type
00662       do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
00663                      ios_base::iostate& __err, tm* __tm) const;
00664 
00665       /**
00666        *  @brief  Parse input month string.
00667        *
00668        *  This function parses a month name and puts the results into a
00669        *  user-supplied struct tm.  This function is a hook for derived
00670        *  classes to change the value returned.  @see get_monthname() for
00671        *  details.
00672        *
00673        *  @param  __beg  Start of string to parse.
00674        *  @param  __end  End of string to parse.
00675        *  @param  __io  Source of the locale.
00676        *  @param  __err  Error flags to set.
00677        *  @param  __tm  Pointer to struct tm to fill in.
00678        *  @return  Iterator to first char beyond month name.
00679       */
00680       virtual iter_type
00681       do_get_monthname(iter_type __beg, iter_type __end, ios_base&,
00682                        ios_base::iostate& __err, tm* __tm) const;
00683 
00684       /**
00685        *  @brief  Parse input year string.
00686        *
00687        *  This function reads up to 4 characters to parse a year string and
00688        *  puts the results into a user-supplied struct tm.  This function is a
00689        *  hook for derived classes to change the value returned.  @see
00690        *  get_year() for details.
00691        *
00692        *  @param  __beg  Start of string to parse.
00693        *  @param  __end  End of string to parse.
00694        *  @param  __io  Source of the locale.
00695        *  @param  __err  Error flags to set.
00696        *  @param  __tm  Pointer to struct tm to fill in.
00697        *  @return  Iterator to first char beyond year.
00698       */
00699       virtual iter_type
00700       do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
00701                   ios_base::iostate& __err, tm* __tm) const;
00702 
00703 #if __cplusplus >= 201103L
00704       /**
00705        *  @brief  Parse input string according to format.
00706        *
00707        *  This function parses the string according to the provided
00708        *  format and optional modifier.  This function is a hook for
00709        *  derived classes to change the value returned.  @see get()
00710        *  for more details.
00711        *
00712        *  @param __s        Start of string to parse.
00713        *  @param __end      End of string to parse.
00714        *  @param __f        Source of the locale.
00715        *  @param __err      Error flags to set.
00716        *  @param __tm       Pointer to struct tm to fill in.
00717        *  @param __format   Format specifier.
00718        *  @param __modifier Format modifier.
00719        *  @return  Iterator to first char not parsed.
00720        */
00721 #if _GLIBCXX_USE_CXX11_ABI
00722       virtual
00723 #endif
00724       iter_type
00725       do_get(iter_type __s, iter_type __end, ios_base& __f,
00726              ios_base::iostate& __err, tm* __tm,
00727              char __format, char __modifier) const;
00728 #endif // __cplusplus >= 201103L
00729 
00730       // Extract numeric component of length __len.
00731       iter_type
00732       _M_extract_num(iter_type __beg, iter_type __end, int& __member,
00733                      int __min, int __max, size_t __len,
00734                      ios_base& __io, ios_base::iostate& __err) const;
00735 
00736       // Extract any unique array of string literals in a const _CharT* array.
00737       iter_type
00738       _M_extract_name(iter_type __beg, iter_type __end, int& __member,
00739                       const _CharT** __names, size_t __indexlen,
00740                       ios_base& __io, ios_base::iostate& __err) const;
00741 
00742       // Extract day or month name in a const _CharT* array.
00743       iter_type
00744       _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member,
00745                                const _CharT** __names, size_t __indexlen,
00746                                ios_base& __io, ios_base::iostate& __err) const;
00747 
00748       // Extract on a component-by-component basis, via __format argument.
00749       iter_type
00750       _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io,
00751                             ios_base::iostate& __err, tm* __tm,
00752                             const _CharT* __format) const;
00753     };
00754 
00755   template<typename _CharT, typename _InIter>
00756     locale::id time_get<_CharT, _InIter>::id;
00757 
00758   /// class time_get_byname [22.2.5.2].
00759   template<typename _CharT, typename _InIter>
00760     class time_get_byname : public time_get<_CharT, _InIter>
00761     {
00762     public:
00763       // Types:
00764       typedef _CharT                    char_type;
00765       typedef _InIter                   iter_type;
00766 
00767       explicit
00768       time_get_byname(const char*, size_t __refs = 0)
00769       : time_get<_CharT, _InIter>(__refs) { }
00770 
00771 #if __cplusplus >= 201103L
00772       explicit
00773       time_get_byname(const string& __s, size_t __refs = 0)
00774       : time_get_byname(__s.c_str(), __refs) { }
00775 #endif
00776 
00777     protected:
00778       virtual
00779       ~time_get_byname() { }
00780     };
00781 
00782 _GLIBCXX_END_NAMESPACE_CXX11
00783 
00784   /**
00785    *  @brief  Primary class template time_put.
00786    *  @ingroup locales
00787    *
00788    *  This facet encapsulates the code to format and output dates and times
00789    *  according to formats used by strftime().
00790    *
00791    *  The time_put template uses protected virtual functions to provide the
00792    *  actual results.  The public accessors forward the call to the virtual
00793    *  functions.  These virtual functions are hooks for developers to
00794    *  implement the behavior they require from the time_put facet.
00795   */
00796   template<typename _CharT, typename _OutIter>
00797     class time_put : public locale::facet
00798     {
00799     public:
00800       // Types:
00801       //@{
00802       /// Public typedefs
00803       typedef _CharT                    char_type;
00804       typedef _OutIter                  iter_type;
00805       //@}
00806 
00807       /// Numpunct facet id.
00808       static locale::id                 id;
00809 
00810       /**
00811        *  @brief  Constructor performs initialization.
00812        *
00813        *  This is the constructor provided by the standard.
00814        *
00815        *  @param __refs  Passed to the base facet class.
00816       */
00817       explicit
00818       time_put(size_t __refs = 0)
00819       : facet(__refs) { }
00820 
00821       /**
00822        *  @brief  Format and output a time or date.
00823        *
00824        *  This function formats the data in struct tm according to the
00825        *  provided format string.  The format string is interpreted as by
00826        *  strftime().
00827        *
00828        *  @param  __s  The stream to write to.
00829        *  @param  __io  Source of locale.
00830        *  @param  __fill  char_type to use for padding.
00831        *  @param  __tm  Struct tm with date and time info to format.
00832        *  @param  __beg  Start of format string.
00833        *  @param  __end  End of format string.
00834        *  @return  Iterator after writing.
00835        */
00836       iter_type
00837       put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
00838           const _CharT* __beg, const _CharT* __end) const;
00839 
00840       /**
00841        *  @brief  Format and output a time or date.
00842        *
00843        *  This function formats the data in struct tm according to the
00844        *  provided format char and optional modifier.  The format and modifier
00845        *  are interpreted as by strftime().  It does so by returning
00846        *  time_put::do_put().
00847        *
00848        *  @param  __s  The stream to write to.
00849        *  @param  __io  Source of locale.
00850        *  @param  __fill  char_type to use for padding.
00851        *  @param  __tm  Struct tm with date and time info to format.
00852        *  @param  __format  Format char.
00853        *  @param  __mod  Optional modifier char.
00854        *  @return  Iterator after writing.
00855        */
00856       iter_type
00857       put(iter_type __s, ios_base& __io, char_type __fill,
00858           const tm* __tm, char __format, char __mod = 0) const
00859       { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
00860 
00861     protected:
00862       /// Destructor.
00863       virtual
00864       ~time_put()
00865       { }
00866 
00867       /**
00868        *  @brief  Format and output a time or date.
00869        *
00870        *  This function formats the data in struct tm according to the
00871        *  provided format char and optional modifier.  This function is a hook
00872        *  for derived classes to change the value returned.  @see put() for
00873        *  more details.
00874        *
00875        *  @param  __s  The stream to write to.
00876        *  @param  __io  Source of locale.
00877        *  @param  __fill  char_type to use for padding.
00878        *  @param  __tm  Struct tm with date and time info to format.
00879        *  @param  __format  Format char.
00880        *  @param  __mod  Optional modifier char.
00881        *  @return  Iterator after writing.
00882        */
00883       virtual iter_type
00884       do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
00885              char __format, char __mod) const;
00886     };
00887 
00888   template<typename _CharT, typename _OutIter>
00889     locale::id time_put<_CharT, _OutIter>::id;
00890 
00891   /// class time_put_byname [22.2.5.4].
00892   template<typename _CharT, typename _OutIter>
00893     class time_put_byname : public time_put<_CharT, _OutIter>
00894     {
00895     public:
00896       // Types:
00897       typedef _CharT                    char_type;
00898       typedef _OutIter                  iter_type;
00899 
00900       explicit
00901       time_put_byname(const char*, size_t __refs = 0)
00902       : time_put<_CharT, _OutIter>(__refs)
00903       { }
00904 
00905 #if __cplusplus >= 201103L
00906       explicit
00907       time_put_byname(const string& __s, size_t __refs = 0)
00908       : time_put_byname(__s.c_str(), __refs) { }
00909 #endif
00910 
00911     protected:
00912       virtual
00913       ~time_put_byname() { }
00914     };
00915 
00916 
00917   /**
00918    *  @brief  Money format ordering data.
00919    *  @ingroup locales
00920    *
00921    *  This class contains an ordered array of 4 fields to represent the
00922    *  pattern for formatting a money amount.  Each field may contain one entry
00923    *  from the part enum.  symbol, sign, and value must be present and the
00924    *  remaining field must contain either none or space.  @see
00925    *  moneypunct::pos_format() and moneypunct::neg_format() for details of how
00926    *  these fields are interpreted.
00927   */
00928   class money_base
00929   {
00930   public:
00931     enum part { none, space, symbol, sign, value };
00932     struct pattern { char field[4]; };
00933 
00934     static const pattern _S_default_pattern;
00935 
00936     enum
00937     {
00938       _S_minus,
00939       _S_zero,
00940       _S_end = 11
00941     };
00942 
00943     // String literal of acceptable (narrow) input/output, for
00944     // money_get/money_put. "-0123456789"
00945     static const char* _S_atoms;
00946 
00947     // Construct and return valid pattern consisting of some combination of:
00948     // space none symbol sign value
00949     _GLIBCXX_CONST static pattern
00950     _S_construct_pattern(char __precedes, char __space, char __posn) throw ();
00951   };
00952 
00953   template<typename _CharT, bool _Intl>
00954     struct __moneypunct_cache : public locale::facet
00955     {
00956       const char*                       _M_grouping;
00957       size_t                            _M_grouping_size;
00958       bool                              _M_use_grouping;
00959       _CharT                            _M_decimal_point;
00960       _CharT                            _M_thousands_sep;
00961       const _CharT*                     _M_curr_symbol;
00962       size_t                            _M_curr_symbol_size;
00963       const _CharT*                     _M_positive_sign;
00964       size_t                            _M_positive_sign_size;
00965       const _CharT*                     _M_negative_sign;
00966       size_t                            _M_negative_sign_size;
00967       int                               _M_frac_digits;
00968       money_base::pattern               _M_pos_format;
00969       money_base::pattern               _M_neg_format;
00970 
00971       // A list of valid numeric literals for input and output: in the standard
00972       // "C" locale, this is "-0123456789". This array contains the chars after
00973       // having been passed through the current locale's ctype<_CharT>.widen().
00974       _CharT                            _M_atoms[money_base::_S_end];
00975 
00976       bool                              _M_allocated;
00977 
00978       __moneypunct_cache(size_t __refs = 0) : facet(__refs),
00979       _M_grouping(0), _M_grouping_size(0), _M_use_grouping(false),
00980       _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()),
00981       _M_curr_symbol(0), _M_curr_symbol_size(0),
00982       _M_positive_sign(0), _M_positive_sign_size(0),
00983       _M_negative_sign(0), _M_negative_sign_size(0),
00984       _M_frac_digits(0),
00985       _M_pos_format(money_base::pattern()),
00986       _M_neg_format(money_base::pattern()), _M_allocated(false)
00987       { }
00988 
00989       ~__moneypunct_cache();
00990 
00991       void
00992       _M_cache(const locale& __loc);
00993 
00994     private:
00995       __moneypunct_cache&
00996       operator=(const __moneypunct_cache&);
00997       
00998       explicit
00999       __moneypunct_cache(const __moneypunct_cache&);
01000     };
01001 
01002   template<typename _CharT, bool _Intl>
01003     __moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache()
01004     {
01005       if (_M_allocated)
01006         {
01007           delete [] _M_grouping;
01008           delete [] _M_curr_symbol;
01009           delete [] _M_positive_sign;
01010           delete [] _M_negative_sign;
01011         }
01012     }
01013 
01014 _GLIBCXX_BEGIN_NAMESPACE_CXX11
01015 
01016   /**
01017    *  @brief  Primary class template moneypunct.
01018    *  @ingroup locales
01019    *
01020    *  This facet encapsulates the punctuation, grouping and other formatting
01021    *  features of money amount string representations.
01022   */
01023   template<typename _CharT, bool _Intl>
01024     class moneypunct : public locale::facet, public money_base
01025     {
01026     public:
01027       // Types:
01028       //@{
01029       /// Public typedefs
01030       typedef _CharT                    char_type;
01031       typedef basic_string<_CharT>      string_type;
01032       //@}
01033       typedef __moneypunct_cache<_CharT, _Intl>     __cache_type;
01034 
01035     private:
01036       __cache_type*                     _M_data;
01037 
01038     public:
01039       /// This value is provided by the standard, but no reason for its
01040       /// existence.
01041       static const bool                 intl = _Intl;
01042       /// Numpunct facet id.
01043       static locale::id                 id;
01044 
01045       /**
01046        *  @brief  Constructor performs initialization.
01047        *
01048        *  This is the constructor provided by the standard.
01049        *
01050        *  @param __refs  Passed to the base facet class.
01051       */
01052       explicit
01053       moneypunct(size_t __refs = 0)
01054       : facet(__refs), _M_data(0)
01055       { _M_initialize_moneypunct(); }
01056 
01057       /**
01058        *  @brief  Constructor performs initialization.
01059        *
01060        *  This is an internal constructor.
01061        *
01062        *  @param __cache  Cache for optimization.
01063        *  @param __refs  Passed to the base facet class.
01064       */
01065       explicit
01066       moneypunct(__cache_type* __cache, size_t __refs = 0)
01067       : facet(__refs), _M_data(__cache)
01068       { _M_initialize_moneypunct(); }
01069 
01070       /**
01071        *  @brief  Internal constructor. Not for general use.
01072        *
01073        *  This is a constructor for use by the library itself to set up new
01074        *  locales.
01075        *
01076        *  @param __cloc  The C locale.
01077        *  @param __s  The name of a locale.
01078        *  @param __refs  Passed to the base facet class.
01079       */
01080       explicit
01081       moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
01082       : facet(__refs), _M_data(0)
01083       { _M_initialize_moneypunct(__cloc, __s); }
01084 
01085       /**
01086        *  @brief  Return decimal point character.
01087        *
01088        *  This function returns a char_type to use as a decimal point.  It
01089        *  does so by returning returning
01090        *  moneypunct<char_type>::do_decimal_point().
01091        *
01092        *  @return  @a char_type representing a decimal point.
01093       */
01094       char_type
01095       decimal_point() const
01096       { return this->do_decimal_point(); }
01097 
01098       /**
01099        *  @brief  Return thousands separator character.
01100        *
01101        *  This function returns a char_type to use as a thousands
01102        *  separator.  It does so by returning returning
01103        *  moneypunct<char_type>::do_thousands_sep().
01104        *
01105        *  @return  char_type representing a thousands separator.
01106       */
01107       char_type
01108       thousands_sep() const
01109       { return this->do_thousands_sep(); }
01110 
01111       /**
01112        *  @brief  Return grouping specification.
01113        *
01114        *  This function returns a string representing groupings for the
01115        *  integer part of an amount.  Groupings indicate where thousands
01116        *  separators should be inserted.
01117        *
01118        *  Each char in the return string is interpret as an integer rather
01119        *  than a character.  These numbers represent the number of digits in a
01120        *  group.  The first char in the string represents the number of digits
01121        *  in the least significant group.  If a char is negative, it indicates
01122        *  an unlimited number of digits for the group.  If more chars from the
01123        *  string are required to group a number, the last char is used
01124        *  repeatedly.
01125        *
01126        *  For example, if the grouping() returns <code>\003\002</code>
01127        *  and is applied to the number 123456789, this corresponds to
01128        *  12,34,56,789.  Note that if the string was <code>32</code>, this would
01129        *  put more than 50 digits into the least significant group if
01130        *  the character set is ASCII.
01131        *
01132        *  The string is returned by calling
01133        *  moneypunct<char_type>::do_grouping().
01134        *
01135        *  @return  string representing grouping specification.
01136       */
01137       string
01138       grouping() const
01139       { return this->do_grouping(); }
01140 
01141       /**
01142        *  @brief  Return currency symbol string.
01143        *
01144        *  This function returns a string_type to use as a currency symbol.  It
01145        *  does so by returning returning
01146        *  moneypunct<char_type>::do_curr_symbol().
01147        *
01148        *  @return  @a string_type representing a currency symbol.
01149       */
01150       string_type
01151       curr_symbol() const
01152       { return this->do_curr_symbol(); }
01153 
01154       /**
01155        *  @brief  Return positive sign string.
01156        *
01157        *  This function returns a string_type to use as a sign for positive
01158        *  amounts.  It does so by returning returning
01159        *  moneypunct<char_type>::do_positive_sign().
01160        *
01161        *  If the return value contains more than one character, the first
01162        *  character appears in the position indicated by pos_format() and the
01163        *  remainder appear at the end of the formatted string.
01164        *
01165        *  @return  @a string_type representing a positive sign.
01166       */
01167       string_type
01168       positive_sign() const
01169       { return this->do_positive_sign(); }
01170 
01171       /**
01172        *  @brief  Return negative sign string.
01173        *
01174        *  This function returns a string_type to use as a sign for negative
01175        *  amounts.  It does so by returning returning
01176        *  moneypunct<char_type>::do_negative_sign().
01177        *
01178        *  If the return value contains more than one character, the first
01179        *  character appears in the position indicated by neg_format() and the
01180        *  remainder appear at the end of the formatted string.
01181        *
01182        *  @return  @a string_type representing a negative sign.
01183       */
01184       string_type
01185       negative_sign() const
01186       { return this->do_negative_sign(); }
01187 
01188       /**
01189        *  @brief  Return number of digits in fraction.
01190        *
01191        *  This function returns the exact number of digits that make up the
01192        *  fractional part of a money amount.  It does so by returning
01193        *  returning moneypunct<char_type>::do_frac_digits().
01194        *
01195        *  The fractional part of a money amount is optional.  But if it is
01196        *  present, there must be frac_digits() digits.
01197        *
01198        *  @return  Number of digits in amount fraction.
01199       */
01200       int
01201       frac_digits() const
01202       { return this->do_frac_digits(); }
01203 
01204       //@{
01205       /**
01206        *  @brief  Return pattern for money values.
01207        *
01208        *  This function returns a pattern describing the formatting of a
01209        *  positive or negative valued money amount.  It does so by returning
01210        *  returning moneypunct<char_type>::do_pos_format() or
01211        *  moneypunct<char_type>::do_neg_format().
01212        *
01213        *  The pattern has 4 fields describing the ordering of symbol, sign,
01214        *  value, and none or space.  There must be one of each in the pattern.
01215        *  The none and space enums may not appear in the first field and space
01216        *  may not appear in the final field.
01217        *
01218        *  The parts of a money string must appear in the order indicated by
01219        *  the fields of the pattern.  The symbol field indicates that the
01220        *  value of curr_symbol() may be present.  The sign field indicates
01221        *  that the value of positive_sign() or negative_sign() must be
01222        *  present.  The value field indicates that the absolute value of the
01223        *  money amount is present.  none indicates 0 or more whitespace
01224        *  characters, except at the end, where it permits no whitespace.
01225        *  space indicates that 1 or more whitespace characters must be
01226        *  present.
01227        *
01228        *  For example, for the US locale and pos_format() pattern
01229        *  {symbol,sign,value,none}, curr_symbol() == &apos;$&apos;
01230        *  positive_sign() == &apos;+&apos;, and value 10.01, and
01231        *  options set to force the symbol, the corresponding string is
01232        *  <code>$+10.01</code>.
01233        *
01234        *  @return  Pattern for money values.
01235       */
01236       pattern
01237       pos_format() const
01238       { return this->do_pos_format(); }
01239 
01240       pattern
01241       neg_format() const
01242       { return this->do_neg_format(); }
01243       //@}
01244 
01245     protected:
01246       /// Destructor.
01247       virtual
01248       ~moneypunct();
01249 
01250       /**
01251        *  @brief  Return decimal point character.
01252        *
01253        *  Returns a char_type to use as a decimal point.  This function is a
01254        *  hook for derived classes to change the value returned.
01255        *
01256        *  @return  @a char_type representing a decimal point.
01257       */
01258       virtual char_type
01259       do_decimal_point() const
01260       { return _M_data->_M_decimal_point; }
01261 
01262       /**
01263        *  @brief  Return thousands separator character.
01264        *
01265        *  Returns a char_type to use as a thousands separator.  This function
01266        *  is a hook for derived classes to change the value returned.
01267        *
01268        *  @return  @a char_type representing a thousands separator.
01269       */
01270       virtual char_type
01271       do_thousands_sep() const
01272       { return _M_data->_M_thousands_sep; }
01273 
01274       /**
01275        *  @brief  Return grouping specification.
01276        *
01277        *  Returns a string representing groupings for the integer part of a
01278        *  number.  This function is a hook for derived classes to change the
01279        *  value returned.  @see grouping() for details.
01280        *
01281        *  @return  String representing grouping specification.
01282       */
01283       virtual string
01284       do_grouping() const
01285       { return _M_data->_M_grouping; }
01286 
01287       /**
01288        *  @brief  Return currency symbol string.
01289        *
01290        *  This function returns a string_type to use as a currency symbol.
01291        *  This function is a hook for derived classes to change the value
01292        *  returned.  @see curr_symbol() for details.
01293        *
01294        *  @return  @a string_type representing a currency symbol.
01295       */
01296       virtual string_type
01297       do_curr_symbol()   const
01298       { return _M_data->_M_curr_symbol; }
01299 
01300       /**
01301        *  @brief  Return positive sign string.
01302        *
01303        *  This function returns a string_type to use as a sign for positive
01304        *  amounts.  This function is a hook for derived classes to change the
01305        *  value returned.  @see positive_sign() for details.
01306        *
01307        *  @return  @a string_type representing a positive sign.
01308       */
01309       virtual string_type
01310       do_positive_sign() const
01311       { return _M_data->_M_positive_sign; }
01312 
01313       /**
01314        *  @brief  Return negative sign string.
01315        *
01316        *  This function returns a string_type to use as a sign for negative
01317        *  amounts.  This function is a hook for derived classes to change the
01318        *  value returned.  @see negative_sign() for details.
01319        *
01320        *  @return  @a string_type representing a negative sign.
01321       */
01322       virtual string_type
01323       do_negative_sign() const
01324       { return _M_data->_M_negative_sign; }
01325 
01326       /**
01327        *  @brief  Return number of digits in fraction.
01328        *
01329        *  This function returns the exact number of digits that make up the
01330        *  fractional part of a money amount.  This function is a hook for
01331        *  derived classes to change the value returned.  @see frac_digits()
01332        *  for details.
01333        *
01334        *  @return  Number of digits in amount fraction.
01335       */
01336       virtual int
01337       do_frac_digits() const
01338       { return _M_data->_M_frac_digits; }
01339 
01340       /**
01341        *  @brief  Return pattern for money values.
01342        *
01343        *  This function returns a pattern describing the formatting of a
01344        *  positive valued money amount.  This function is a hook for derived
01345        *  classes to change the value returned.  @see pos_format() for
01346        *  details.
01347        *
01348        *  @return  Pattern for money values.
01349       */
01350       virtual pattern
01351       do_pos_format() const
01352       { return _M_data->_M_pos_format; }
01353 
01354       /**
01355        *  @brief  Return pattern for money values.
01356        *
01357        *  This function returns a pattern describing the formatting of a
01358        *  negative valued money amount.  This function is a hook for derived
01359        *  classes to change the value returned.  @see neg_format() for
01360        *  details.
01361        *
01362        *  @return  Pattern for money values.
01363       */
01364       virtual pattern
01365       do_neg_format() const
01366       { return _M_data->_M_neg_format; }
01367 
01368       // For use at construction time only.
01369        void
01370        _M_initialize_moneypunct(__c_locale __cloc = 0,
01371                                 const char* __name = 0);
01372     };
01373 
01374   template<typename _CharT, bool _Intl>
01375     locale::id moneypunct<_CharT, _Intl>::id;
01376 
01377   template<typename _CharT, bool _Intl>
01378     const bool moneypunct<_CharT, _Intl>::intl;
01379 
01380   template<>
01381     moneypunct<char, true>::~moneypunct();
01382 
01383   template<>
01384     moneypunct<char, false>::~moneypunct();
01385 
01386   template<>
01387     void
01388     moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
01389 
01390   template<>
01391     void
01392     moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
01393 
01394 #ifdef _GLIBCXX_USE_WCHAR_T
01395   template<>
01396     moneypunct<wchar_t, true>::~moneypunct();
01397 
01398   template<>
01399     moneypunct<wchar_t, false>::~moneypunct();
01400 
01401   template<>
01402     void
01403     moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale,
01404                                                         const char*);
01405 
01406   template<>
01407     void
01408     moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale,
01409                                                          const char*);
01410 #endif
01411 
01412   /// class moneypunct_byname [22.2.6.4].
01413   template<typename _CharT, bool _Intl>
01414     class moneypunct_byname : public moneypunct<_CharT, _Intl>
01415     {
01416     public:
01417       typedef _CharT                    char_type;
01418       typedef basic_string<_CharT>      string_type;
01419 
01420       static const bool intl = _Intl;
01421 
01422       explicit
01423       moneypunct_byname(const char* __s, size_t __refs = 0)
01424       : moneypunct<_CharT, _Intl>(__refs)
01425       {
01426         if (__builtin_strcmp(__s, "C") != 0
01427             && __builtin_strcmp(__s, "POSIX") != 0)
01428           {
01429             __c_locale __tmp;
01430             this->_S_create_c_locale(__tmp, __s);
01431             this->_M_initialize_moneypunct(__tmp);
01432             this->_S_destroy_c_locale(__tmp);
01433           }
01434       }
01435 
01436 #if __cplusplus >= 201103L
01437       explicit
01438       moneypunct_byname(const string& __s, size_t __refs = 0)
01439       : moneypunct_byname(__s.c_str(), __refs) { }
01440 #endif
01441 
01442     protected:
01443       virtual
01444       ~moneypunct_byname() { }
01445     };
01446 
01447   template<typename _CharT, bool _Intl>
01448     const bool moneypunct_byname<_CharT, _Intl>::intl;
01449 
01450 _GLIBCXX_END_NAMESPACE_CXX11
01451 
01452 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
01453 
01454   /**
01455    *  @brief  Primary class template money_get.
01456    *  @ingroup locales
01457    *
01458    *  This facet encapsulates the code to parse and return a monetary
01459    *  amount from a string.
01460    *
01461    *  The money_get template uses protected virtual functions to
01462    *  provide the actual results.  The public accessors forward the
01463    *  call to the virtual functions.  These virtual functions are
01464    *  hooks for developers to implement the behavior they require from
01465    *  the money_get facet.
01466   */
01467   template<typename _CharT, typename _InIter>
01468     class money_get : public locale::facet
01469     {
01470     public:
01471       // Types:
01472       //@{
01473       /// Public typedefs
01474       typedef _CharT                    char_type;
01475       typedef _InIter                   iter_type;
01476       typedef basic_string<_CharT>      string_type;
01477       //@}
01478 
01479       /// Numpunct facet id.
01480       static locale::id                 id;
01481 
01482       /**
01483        *  @brief  Constructor performs initialization.
01484        *
01485        *  This is the constructor provided by the standard.
01486        *
01487        *  @param __refs  Passed to the base facet class.
01488       */
01489       explicit
01490       money_get(size_t __refs = 0) : facet(__refs) { }
01491 
01492       /**
01493        *  @brief  Read and parse a monetary value.
01494        *
01495        *  This function reads characters from @a __s, interprets them as a
01496        *  monetary value according to moneypunct and ctype facets retrieved
01497        *  from io.getloc(), and returns the result in @a units as an integral
01498        *  value moneypunct::frac_digits() * the actual amount.  For example,
01499        *  the string $10.01 in a US locale would store 1001 in @a units.
01500        *
01501        *  Any characters not part of a valid money amount are not consumed.
01502        *
01503        *  If a money value cannot be parsed from the input stream, sets
01504        *  err=(err|io.failbit).  If the stream is consumed before finishing
01505        *  parsing,  sets err=(err|io.failbit|io.eofbit).  @a units is
01506        *  unchanged if parsing fails.
01507        *
01508        *  This function works by returning the result of do_get().
01509        *
01510        *  @param  __s  Start of characters to parse.
01511        *  @param  __end  End of characters to parse.
01512        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01513        *  @param  __io  Source of facets and io state.
01514        *  @param  __err  Error field to set if parsing fails.
01515        *  @param  __units  Place to store result of parsing.
01516        *  @return  Iterator referencing first character beyond valid money
01517        *           amount.
01518        */
01519       iter_type
01520       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01521           ios_base::iostate& __err, long double& __units) const
01522       { return this->do_get(__s, __end, __intl, __io, __err, __units); }
01523 
01524       /**
01525        *  @brief  Read and parse a monetary value.
01526        *
01527        *  This function reads characters from @a __s, interprets them as
01528        *  a monetary value according to moneypunct and ctype facets
01529        *  retrieved from io.getloc(), and returns the result in @a
01530        *  digits.  For example, the string $10.01 in a US locale would
01531        *  store <code>1001</code> in @a digits.
01532        *
01533        *  Any characters not part of a valid money amount are not consumed.
01534        *
01535        *  If a money value cannot be parsed from the input stream, sets
01536        *  err=(err|io.failbit).  If the stream is consumed before finishing
01537        *  parsing,  sets err=(err|io.failbit|io.eofbit).
01538        *
01539        *  This function works by returning the result of do_get().
01540        *
01541        *  @param  __s  Start of characters to parse.
01542        *  @param  __end  End of characters to parse.
01543        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01544        *  @param  __io  Source of facets and io state.
01545        *  @param  __err  Error field to set if parsing fails.
01546        *  @param  __digits  Place to store result of parsing.
01547        *  @return  Iterator referencing first character beyond valid money
01548        *           amount.
01549        */
01550       iter_type
01551       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01552           ios_base::iostate& __err, string_type& __digits) const
01553       { return this->do_get(__s, __end, __intl, __io, __err, __digits); }
01554 
01555     protected:
01556       /// Destructor.
01557       virtual
01558       ~money_get() { }
01559 
01560       /**
01561        *  @brief  Read and parse a monetary value.
01562        *
01563        *  This function reads and parses characters representing a monetary
01564        *  value.  This function is a hook for derived classes to change the
01565        *  value returned.  @see get() for details.
01566        */
01567       // XXX GLIBCXX_ABI Deprecated
01568 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
01569       && _GLIBCXX_USE_CXX11_ABI == 0
01570       virtual iter_type
01571       __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01572                ios_base::iostate& __err, double& __units) const;
01573 #else
01574       virtual iter_type
01575       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01576              ios_base::iostate& __err, long double& __units) const;
01577 #endif
01578 
01579       /**
01580        *  @brief  Read and parse a monetary value.
01581        *
01582        *  This function reads and parses characters representing a monetary
01583        *  value.  This function is a hook for derived classes to change the
01584        *  value returned.  @see get() for details.
01585        */
01586       virtual iter_type
01587       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01588              ios_base::iostate& __err, string_type& __digits) const;
01589 
01590       // XXX GLIBCXX_ABI Deprecated
01591 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
01592       && _GLIBCXX_USE_CXX11_ABI == 0
01593       virtual iter_type
01594       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
01595              ios_base::iostate& __err, long double& __units) const;
01596 #endif
01597 
01598       template<bool _Intl>
01599         iter_type
01600         _M_extract(iter_type __s, iter_type __end, ios_base& __io,
01601                    ios_base::iostate& __err, string& __digits) const;     
01602     };
01603 
01604   template<typename _CharT, typename _InIter>
01605     locale::id money_get<_CharT, _InIter>::id;
01606 
01607   /**
01608    *  @brief  Primary class template money_put.
01609    *  @ingroup locales
01610    *
01611    *  This facet encapsulates the code to format and output a monetary
01612    *  amount.
01613    *
01614    *  The money_put template uses protected virtual functions to
01615    *  provide the actual results.  The public accessors forward the
01616    *  call to the virtual functions.  These virtual functions are
01617    *  hooks for developers to implement the behavior they require from
01618    *  the money_put facet.
01619   */
01620   template<typename _CharT, typename _OutIter>
01621     class money_put : public locale::facet
01622     {
01623     public:
01624       //@{
01625       /// Public typedefs
01626       typedef _CharT                    char_type;
01627       typedef _OutIter                  iter_type;
01628       typedef basic_string<_CharT>      string_type;
01629       //@}
01630 
01631       /// Numpunct facet id.
01632       static locale::id                 id;
01633 
01634       /**
01635        *  @brief  Constructor performs initialization.
01636        *
01637        *  This is the constructor provided by the standard.
01638        *
01639        *  @param __refs  Passed to the base facet class.
01640       */
01641       explicit
01642       money_put(size_t __refs = 0) : facet(__refs) { }
01643 
01644       /**
01645        *  @brief  Format and output a monetary value.
01646        *
01647        *  This function formats @a units as a monetary value according to
01648        *  moneypunct and ctype facets retrieved from io.getloc(), and writes
01649        *  the resulting characters to @a __s.  For example, the value 1001 in a
01650        *  US locale would write <code>$10.01</code> to @a __s.
01651        *
01652        *  This function works by returning the result of do_put().
01653        *
01654        *  @param  __s  The stream to write to.
01655        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01656        *  @param  __io  Source of facets and io state.
01657        *  @param  __fill  char_type to use for padding.
01658        *  @param  __units  Place to store result of parsing.
01659        *  @return  Iterator after writing.
01660        */
01661       iter_type
01662       put(iter_type __s, bool __intl, ios_base& __io,
01663           char_type __fill, long double __units) const
01664       { return this->do_put(__s, __intl, __io, __fill, __units); }
01665 
01666       /**
01667        *  @brief  Format and output a monetary value.
01668        *
01669        *  This function formats @a digits as a monetary value
01670        *  according to moneypunct and ctype facets retrieved from
01671        *  io.getloc(), and writes the resulting characters to @a __s.
01672        *  For example, the string <code>1001</code> in a US locale
01673        *  would write <code>$10.01</code> to @a __s.
01674        *
01675        *  This function works by returning the result of do_put().
01676        *
01677        *  @param  __s  The stream to write to.
01678        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01679        *  @param  __io  Source of facets and io state.
01680        *  @param  __fill  char_type to use for padding.
01681        *  @param  __digits  Place to store result of parsing.
01682        *  @return  Iterator after writing.
01683        */
01684       iter_type
01685       put(iter_type __s, bool __intl, ios_base& __io,
01686           char_type __fill, const string_type& __digits) const
01687       { return this->do_put(__s, __intl, __io, __fill, __digits); }
01688 
01689     protected:
01690       /// Destructor.
01691       virtual
01692       ~money_put() { }
01693 
01694       /**
01695        *  @brief  Format and output a monetary value.
01696        *
01697        *  This function formats @a units as a monetary value according to
01698        *  moneypunct and ctype facets retrieved from io.getloc(), and writes
01699        *  the resulting characters to @a __s.  For example, the value 1001 in a
01700        *  US locale would write <code>$10.01</code> to @a __s.
01701        *
01702        *  This function is a hook for derived classes to change the value
01703        *  returned.  @see put().
01704        *
01705        *  @param  __s  The stream to write to.
01706        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01707        *  @param  __io  Source of facets and io state.
01708        *  @param  __fill  char_type to use for padding.
01709        *  @param  __units  Place to store result of parsing.
01710        *  @return  Iterator after writing.
01711        */
01712       // XXX GLIBCXX_ABI Deprecated
01713 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
01714       && _GLIBCXX_USE_CXX11_ABI == 0
01715       virtual iter_type
01716       __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01717                double __units) const;
01718 #else
01719       virtual iter_type
01720       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01721              long double __units) const;
01722 #endif
01723 
01724       /**
01725        *  @brief  Format and output a monetary value.
01726        *
01727        *  This function formats @a digits as a monetary value
01728        *  according to moneypunct and ctype facets retrieved from
01729        *  io.getloc(), and writes the resulting characters to @a __s.
01730        *  For example, the string <code>1001</code> in a US locale
01731        *  would write <code>$10.01</code> to @a __s.
01732        *
01733        *  This function is a hook for derived classes to change the value
01734        *  returned.  @see put().
01735        *
01736        *  @param  __s  The stream to write to.
01737        *  @param  __intl  Parameter to use_facet<moneypunct<CharT,intl> >.
01738        *  @param  __io  Source of facets and io state.
01739        *  @param  __fill  char_type to use for padding.
01740        *  @param  __digits  Place to store result of parsing.
01741        *  @return  Iterator after writing.
01742        */
01743       virtual iter_type
01744       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01745              const string_type& __digits) const;
01746 
01747       // XXX GLIBCXX_ABI Deprecated
01748 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
01749       && _GLIBCXX_USE_CXX11_ABI == 0
01750       virtual iter_type
01751       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01752              long double __units) const;
01753 #endif
01754 
01755       template<bool _Intl>
01756         iter_type
01757         _M_insert(iter_type __s, ios_base& __io, char_type __fill,
01758                   const string_type& __digits) const;
01759     };
01760 
01761   template<typename _CharT, typename _OutIter>
01762     locale::id money_put<_CharT, _OutIter>::id;
01763 
01764 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
01765 
01766   /**
01767    *  @brief  Messages facet base class providing catalog typedef.
01768    *  @ingroup locales
01769    */
01770   struct messages_base
01771   {
01772     typedef int catalog;
01773   };
01774 
01775 _GLIBCXX_BEGIN_NAMESPACE_CXX11
01776 
01777   /**
01778    *  @brief  Primary class template messages.
01779    *  @ingroup locales
01780    *
01781    *  This facet encapsulates the code to retrieve messages from
01782    *  message catalogs.  The only thing defined by the standard for this facet
01783    *  is the interface.  All underlying functionality is
01784    *  implementation-defined.
01785    *
01786    *  This library currently implements 3 versions of the message facet.  The
01787    *  first version (gnu) is a wrapper around gettext, provided by libintl.
01788    *  The second version (ieee) is a wrapper around catgets.  The final
01789    *  version (default) does no actual translation.  These implementations are
01790    *  only provided for char and wchar_t instantiations.
01791    *
01792    *  The messages template uses protected virtual functions to
01793    *  provide the actual results.  The public accessors forward the
01794    *  call to the virtual functions.  These virtual functions are
01795    *  hooks for developers to implement the behavior they require from
01796    *  the messages facet.
01797   */
01798   template<typename _CharT>
01799     class messages : public locale::facet, public messages_base
01800     {
01801     public:
01802       // Types:
01803       //@{
01804       /// Public typedefs
01805       typedef _CharT                    char_type;
01806       typedef basic_string<_CharT>      string_type;
01807       //@}
01808 
01809     protected:
01810       // Underlying "C" library locale information saved from
01811       // initialization, needed by messages_byname as well.
01812       __c_locale                        _M_c_locale_messages;
01813       const char*                       _M_name_messages;
01814 
01815     public:
01816       /// Numpunct facet id.
01817       static locale::id                 id;
01818 
01819       /**
01820        *  @brief  Constructor performs initialization.
01821        *
01822        *  This is the constructor provided by the standard.
01823        *
01824        *  @param __refs  Passed to the base facet class.
01825       */
01826       explicit
01827       messages(size_t __refs = 0);
01828 
01829       // Non-standard.
01830       /**
01831        *  @brief  Internal constructor.  Not for general use.
01832        *
01833        *  This is a constructor for use by the library itself to set up new
01834        *  locales.
01835        *
01836        *  @param  __cloc  The C locale.
01837        *  @param  __s  The name of a locale.
01838        *  @param  __refs  Refcount to pass to the base class.
01839        */
01840       explicit
01841       messages(__c_locale __cloc, const char* __s, size_t __refs = 0);
01842 
01843       /*
01844        *  @brief  Open a message catalog.
01845        *
01846        *  This function opens and returns a handle to a message catalog by
01847        *  returning do_open(__s, __loc).
01848        *
01849        *  @param  __s  The catalog to open.
01850        *  @param  __loc  Locale to use for character set conversions.
01851        *  @return  Handle to the catalog or value < 0 if open fails.
01852       */
01853       catalog
01854       open(const basic_string<char>& __s, const locale& __loc) const
01855       { return this->do_open(__s, __loc); }
01856 
01857       // Non-standard and unorthodox, yet effective.
01858       /*
01859        *  @brief  Open a message catalog.
01860        *
01861        *  This non-standard function opens and returns a handle to a message
01862        *  catalog by returning do_open(s, loc).  The third argument provides a
01863        *  message catalog root directory for gnu gettext and is ignored
01864        *  otherwise.
01865        *
01866        *  @param  __s  The catalog to open.
01867        *  @param  __loc  Locale to use for character set conversions.
01868        *  @param  __dir  Message catalog root directory.
01869        *  @return  Handle to the catalog or value < 0 if open fails.
01870       */
01871       catalog
01872       open(const basic_string<char>&, const locale&, const char*) const;
01873 
01874       /*
01875        *  @brief  Look up a string in a message catalog.
01876        *
01877        *  This function retrieves and returns a message from a catalog by
01878        *  returning do_get(c, set, msgid, s).
01879        *
01880        *  For gnu, @a __set and @a msgid are ignored.  Returns gettext(s).
01881        *  For default, returns s. For ieee, returns catgets(c,set,msgid,s).
01882        *
01883        *  @param  __c  The catalog to access.
01884        *  @param  __set  Implementation-defined.
01885        *  @param  __msgid  Implementation-defined.
01886        *  @param  __s  Default return value if retrieval fails.
01887        *  @return  Retrieved message or @a __s if get fails.
01888       */
01889       string_type
01890       get(catalog __c, int __set, int __msgid, const string_type& __s) const
01891       { return this->do_get(__c, __set, __msgid, __s); }
01892 
01893       /*
01894        *  @brief  Close a message catalog.
01895        *
01896        *  Closes catalog @a c by calling do_close(c).
01897        *
01898        *  @param  __c  The catalog to close.
01899       */
01900       void
01901       close(catalog __c) const
01902       { return this->do_close(__c); }
01903 
01904     protected:
01905       /// Destructor.
01906       virtual
01907       ~messages();
01908 
01909       /*
01910        *  @brief  Open a message catalog.
01911        *
01912        *  This function opens and returns a handle to a message catalog in an
01913        *  implementation-defined manner.  This function is a hook for derived
01914        *  classes to change the value returned.
01915        *
01916        *  @param  __s  The catalog to open.
01917        *  @param  __loc  Locale to use for character set conversions.
01918        *  @return  Handle to the opened catalog, value < 0 if open failed.
01919       */
01920       virtual catalog
01921       do_open(const basic_string<char>&, const locale&) const;
01922 
01923       /*
01924        *  @brief  Look up a string in a message catalog.
01925        *
01926        *  This function retrieves and returns a message from a catalog in an
01927        *  implementation-defined manner.  This function is a hook for derived
01928        *  classes to change the value returned.
01929        *
01930        *  For gnu, @a __set and @a __msgid are ignored.  Returns gettext(s).
01931        *  For default, returns s. For ieee, returns catgets(c,set,msgid,s).
01932        *
01933        *  @param  __c  The catalog to access.
01934        *  @param  __set  Implementation-defined.
01935        *  @param  __msgid  Implementation-defined.
01936        *  @param  __s  Default return value if retrieval fails.
01937        *  @return  Retrieved message or @a __s if get fails.
01938       */
01939       virtual string_type
01940       do_get(catalog, int, int, const string_type& __dfault) const;
01941 
01942       /*
01943        *  @brief  Close a message catalog.
01944        *
01945        *  @param  __c  The catalog to close.
01946       */
01947       virtual void
01948       do_close(catalog) const;
01949 
01950       // Returns a locale and codeset-converted string, given a char* message.
01951       char*
01952       _M_convert_to_char(const string_type& __msg) const
01953       {
01954         // XXX
01955         return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
01956       }
01957 
01958       // Returns a locale and codeset-converted string, given a char* message.
01959       string_type
01960       _M_convert_from_char(char*) const
01961       {
01962         // XXX
01963         return string_type();
01964       }
01965      };
01966 
01967   template<typename _CharT>
01968     locale::id messages<_CharT>::id;
01969 
01970   /// Specializations for required instantiations.
01971   template<>
01972     string
01973     messages<char>::do_get(catalog, int, int, const string&) const;
01974 
01975 #ifdef _GLIBCXX_USE_WCHAR_T
01976   template<>
01977     wstring
01978     messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
01979 #endif
01980 
01981    /// class messages_byname [22.2.7.2].
01982    template<typename _CharT>
01983     class messages_byname : public messages<_CharT>
01984     {
01985     public:
01986       typedef _CharT                    char_type;
01987       typedef basic_string<_CharT>      string_type;
01988 
01989       explicit
01990       messages_byname(const char* __s, size_t __refs = 0);
01991 
01992 #if __cplusplus >= 201103L
01993       explicit
01994       messages_byname(const string& __s, size_t __refs = 0)
01995       : messages_byname(__s.c_str(), __refs) { }
01996 #endif
01997 
01998     protected:
01999       virtual
02000       ~messages_byname()
02001       { }
02002     };
02003 
02004 _GLIBCXX_END_NAMESPACE_CXX11
02005 
02006 _GLIBCXX_END_NAMESPACE_VERSION
02007 } // namespace
02008 
02009 // Include host and configuration specific messages functions.
02010 #include <bits/messages_members.h>
02011 
02012 // 22.2.1.5  Template class codecvt
02013 #include <bits/codecvt.h>
02014 
02015 #include <bits/locale_facets_nonio.tcc>
02016 
02017 #endif