locale_facets.h

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00001 // Locale support -*- C++ -*-
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // You should have received a copy of the GNU General Public License along
00018 // with this library; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00020 // USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 //
00032 // ISO C++ 14882: 22.1  Locales
00033 //
00034 
00035 /** @file locale_facets.h
00036  *  This is an internal header file, included by other library headers.
00037  *  You should not attempt to use it directly.
00038  */
00039 
00040 #ifndef _CPP_BITS_LOCFACETS_H
00041 #define _CPP_BITS_LOCFACETS_H   1
00042 
00043 #pragma GCC system_header
00044 
00045 #include <ctime>    // For struct tm
00046 #include <cwctype>  // For wctype_t
00047 #include <iosfwd>
00048 #include <bits/ios_base.h>  // For ios_base, ios_base::iostate
00049 #include <streambuf>
00050 
00051 namespace std
00052 {
00053   // NB: Don't instantiate required wchar_t facets if no wchar_t support.
00054 #ifdef _GLIBCPP_USE_WCHAR_T
00055 # define  _GLIBCPP_NUM_FACETS 28
00056 #else
00057 # define  _GLIBCPP_NUM_FACETS 14
00058 #endif
00059 
00060   // Convert string to numeric value of type _Tv and store results.  
00061   // NB: This is specialized for all required types, there is no
00062   // generic definition.
00063   template<typename _Tv>
00064     void
00065     __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err, 
00066            const __c_locale& __cloc, int __base = 10);
00067 
00068   // Explicit specializations for required types.
00069   template<>
00070     void
00071     __convert_to_v(const char*, long&, ios_base::iostate&, 
00072            const __c_locale&, int);
00073 
00074   template<>
00075     void
00076     __convert_to_v(const char*, unsigned long&, ios_base::iostate&, 
00077            const __c_locale&, int);
00078 
00079 #ifdef _GLIBCPP_USE_LONG_LONG
00080   template<>
00081     void
00082     __convert_to_v(const char*, long long&, ios_base::iostate&, 
00083            const __c_locale&, int);
00084 
00085   template<>
00086     void
00087     __convert_to_v(const char*, unsigned long long&, ios_base::iostate&, 
00088            const __c_locale&, int);
00089 #endif
00090 
00091   template<>
00092     void
00093     __convert_to_v(const char*, float&, ios_base::iostate&, 
00094            const __c_locale&, int);
00095 
00096   template<>
00097     void
00098     __convert_to_v(const char*, double&, ios_base::iostate&, 
00099            const __c_locale&, int);
00100 
00101  template<>
00102     void
00103     __convert_to_v(const char*, long double&, ios_base::iostate&, 
00104            const __c_locale&, int);
00105 
00106   // NB: __pad is a struct, rather than a function, so it can be
00107   // partially-specialized.
00108   template<typename _CharT, typename _Traits>
00109     struct __pad
00110     {
00111       static void
00112       _S_pad(ios_base& __io, _CharT __fill, _CharT* __news, 
00113          const _CharT* __olds, const streamsize __newlen, 
00114          const streamsize __oldlen, const bool __num);
00115     };
00116 
00117   // Used by both numeric and monetary facets.
00118   // Check to make sure that the __grouping_tmp string constructed in
00119   // money_get or num_get matches the canonical grouping for a given
00120   // locale.
00121   // __grouping_tmp is parsed L to R
00122   // 1,222,444 == __grouping_tmp of "\1\3\3"
00123   // __grouping is parsed R to L
00124   // 1,222,444 == __grouping of "\3" == "\3\3\3"
00125   template<typename _CharT>
00126     bool
00127     __verify_grouping(const basic_string<_CharT>& __grouping, 
00128               basic_string<_CharT>& __grouping_tmp);
00129 
00130   // Used by both numeric and monetary facets.
00131   // Inserts "group separator" characters into an array of characters.
00132   // It's recursive, one iteration per group.  It moves the characters
00133   // in the buffer this way: "xxxx12345" -> "12,345xxx".  Call this
00134   // only with __gbeg != __gend.
00135   template<typename _CharT>
00136     _CharT*
00137     __add_grouping(_CharT* __s, _CharT __sep,  
00138            const char* __gbeg, const char* __gend, 
00139            const _CharT* __first, const _CharT* __last);
00140 
00141   // This template permits specializing facet output code for
00142   // ostreambuf_iterator.  For ostreambuf_iterator, sputn is
00143   // significantly more efficient than incrementing iterators.
00144   template<typename _CharT>
00145     inline
00146     ostreambuf_iterator<_CharT>
00147     __write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len)
00148     {
00149       __s._M_put(__ws, __len);
00150       return __s;
00151     }
00152 
00153   // This is the unspecialized form of the template.
00154   template<typename _CharT, typename _OutIter>
00155     inline
00156     _OutIter
00157     __write(_OutIter __s, const _CharT* __ws, int __len)
00158     {
00159       for (int __j = 0; __j < __len; __j++, ++__s)
00160     *__s = __ws[__j];
00161       return __s;
00162     }
00163 
00164   // 22.2.1.1  Template class ctype
00165   // Include host and configuration specific ctype enums for ctype_base.
00166   #include <bits/ctype_base.h>
00167 
00168   // Common base for ctype<_CharT>.  
00169   template<typename _CharT>
00170     class __ctype_abstract_base : public locale::facet, public ctype_base
00171     {
00172     public:
00173       // Types:
00174       typedef _CharT char_type;
00175 
00176       bool 
00177       is(mask __m, char_type __c) const
00178       { return this->do_is(__m, __c); }
00179 
00180       const char_type*
00181       is(const char_type *__lo, const char_type *__hi, mask *__vec) const   
00182       { return this->do_is(__lo, __hi, __vec); }
00183 
00184       const char_type*
00185       scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
00186       { return this->do_scan_is(__m, __lo, __hi); }
00187 
00188       const char_type*
00189       scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
00190       { return this->do_scan_not(__m, __lo, __hi); }
00191 
00192       char_type 
00193       toupper(char_type __c) const
00194       { return this->do_toupper(__c); }
00195 
00196       const char_type*
00197       toupper(char_type *__lo, const char_type* __hi) const
00198       { return this->do_toupper(__lo, __hi); }
00199 
00200       char_type 
00201       tolower(char_type __c) const
00202       { return this->do_tolower(__c); }
00203 
00204       const char_type*
00205       tolower(char_type* __lo, const char_type* __hi) const
00206       { return this->do_tolower(__lo, __hi); }
00207 
00208       char_type 
00209       widen(char __c) const
00210       { return this->do_widen(__c); }
00211 
00212       const char*
00213       widen(const char* __lo, const char* __hi, char_type* __to) const
00214       { return this->do_widen(__lo, __hi, __to); }
00215 
00216       char 
00217       narrow(char_type __c, char __dfault) const
00218       { return this->do_narrow(__c, __dfault); }
00219 
00220       const char_type*
00221       narrow(const char_type* __lo, const char_type* __hi,
00222           char __dfault, char *__to) const
00223       { return this->do_narrow(__lo, __hi, __dfault, __to); }
00224 
00225     protected:
00226       explicit 
00227       __ctype_abstract_base(size_t __refs = 0): locale::facet(__refs) { }
00228 
00229       virtual 
00230       ~__ctype_abstract_base() { }
00231       
00232       virtual bool 
00233       do_is(mask __m, char_type __c) const = 0;
00234 
00235       virtual const char_type*
00236       do_is(const char_type* __lo, const char_type* __hi, 
00237         mask* __vec) const = 0;
00238 
00239       virtual const char_type*
00240       do_scan_is(mask __m, const char_type* __lo,
00241          const char_type* __hi) const = 0;
00242 
00243       virtual const char_type*
00244       do_scan_not(mask __m, const char_type* __lo, 
00245           const char_type* __hi) const = 0;
00246 
00247       virtual char_type 
00248       do_toupper(char_type) const = 0;
00249 
00250       virtual const char_type*
00251       do_toupper(char_type* __lo, const char_type* __hi) const = 0;
00252 
00253       virtual char_type 
00254       do_tolower(char_type) const = 0;
00255 
00256       virtual const char_type*
00257       do_tolower(char_type* __lo, const char_type* __hi) const = 0;
00258       
00259       virtual char_type 
00260       do_widen(char) const = 0;
00261 
00262       virtual const char*
00263       do_widen(const char* __lo, const char* __hi, 
00264            char_type* __dest) const = 0;
00265 
00266       virtual char 
00267       do_narrow(char_type, char __dfault) const = 0;
00268 
00269       virtual const char_type*
00270       do_narrow(const char_type* __lo, const char_type* __hi,
00271          char __dfault, char* __dest) const = 0;
00272     };
00273 
00274   // NB: Generic, mostly useless implementation.
00275   template<typename _CharT>
00276     class ctype : public __ctype_abstract_base<_CharT>
00277     {
00278     public:
00279       // Types:
00280       typedef _CharT            char_type;
00281       typedef typename ctype::mask  mask;
00282 
00283       static locale::id             id;
00284 
00285       explicit 
00286       ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { }
00287 
00288    protected:
00289       virtual 
00290       ~ctype();
00291 
00292       virtual bool 
00293       do_is(mask __m, char_type __c) const;
00294 
00295       virtual const char_type*
00296       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
00297 
00298       virtual const char_type*
00299       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
00300 
00301       virtual const char_type*
00302       do_scan_not(mask __m, const char_type* __lo,
00303           const char_type* __hi) const;
00304 
00305       virtual char_type 
00306       do_toupper(char_type __c) const;
00307 
00308       virtual const char_type*
00309       do_toupper(char_type* __lo, const char_type* __hi) const;
00310 
00311       virtual char_type 
00312       do_tolower(char_type __c) const;
00313 
00314       virtual const char_type*
00315       do_tolower(char_type* __lo, const char_type* __hi) const;
00316 
00317       virtual char_type 
00318       do_widen(char __c) const;
00319 
00320       virtual const char*
00321       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
00322 
00323       virtual char 
00324       do_narrow(char_type, char __dfault) const;
00325 
00326       virtual const char_type*
00327       do_narrow(const char_type* __lo, const char_type* __hi,
00328         char __dfault, char* __dest) const;
00329     };
00330 
00331   template<typename _CharT>
00332     locale::id ctype<_CharT>::id;
00333 
00334   // 22.2.1.3  ctype<char> specialization.
00335   template<>
00336     class ctype<char> : public __ctype_abstract_base<char>
00337     {
00338     public:
00339       // Types:
00340       typedef char          char_type;
00341 
00342     protected:
00343       // Data Members:
00344       __c_locale        _M_c_locale_ctype;
00345       bool              _M_del;
00346       __to_type             _M_toupper;
00347       __to_type             _M_tolower;
00348       const mask*               _M_table;
00349       
00350     public:
00351       static locale::id        id;
00352       static const size_t      table_size = 1 + static_cast<unsigned char>(-1);
00353 
00354       explicit 
00355       ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0);
00356 
00357       explicit 
00358       ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false, 
00359         size_t __refs = 0);
00360 
00361       inline bool 
00362       is(mask __m, char __c) const;
00363  
00364       inline const char*
00365       is(const char* __lo, const char* __hi, mask* __vec) const;
00366  
00367       inline const char*
00368       scan_is(mask __m, const char* __lo, const char* __hi) const;
00369 
00370       inline const char*
00371       scan_not(mask __m, const char* __lo, const char* __hi) const;
00372      
00373     protected:
00374       const mask* 
00375       table() const throw()
00376       { return _M_table; }
00377 
00378       static const mask* 
00379       classic_table() throw();
00380 
00381       virtual 
00382       ~ctype();
00383 
00384       virtual bool 
00385       do_is(mask __m, char_type __c) const;
00386 
00387       virtual const char_type*
00388       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
00389 
00390       virtual const char_type*
00391       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
00392 
00393       virtual const char_type*
00394       do_scan_not(mask __m, const char_type* __lo, 
00395           const char_type* __hi) const;
00396 
00397       virtual char_type 
00398       do_toupper(char_type) const;
00399 
00400       virtual const char_type*
00401       do_toupper(char_type* __lo, const char_type* __hi) const;
00402 
00403       virtual char_type 
00404       do_tolower(char_type) const;
00405 
00406       virtual const char_type*
00407       do_tolower(char_type* __lo, const char_type* __hi) const;
00408       
00409       virtual char_type 
00410       do_widen(char) const;
00411 
00412       virtual const char*
00413       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
00414 
00415       virtual char 
00416       do_narrow(char_type, char __dfault) const;
00417 
00418       virtual const char_type*
00419       do_narrow(const char_type* __lo, const char_type* __hi,
00420         char __dfault, char* __dest) const;
00421     };
00422  
00423   template<>
00424     const ctype<char>&
00425     use_facet<ctype<char> >(const locale& __loc);
00426 
00427 #ifdef _GLIBCPP_USE_WCHAR_T
00428   // 22.2.1.3  ctype<wchar_t> specialization
00429   template<>
00430     class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
00431     {
00432     public:
00433       // Types:
00434       typedef wchar_t           char_type;
00435       typedef wctype_t          __wmask_type;
00436 
00437     protected:
00438       __c_locale        _M_c_locale_ctype;
00439 
00440     public:
00441       // Data Members:
00442       static locale::id         id;
00443 
00444       explicit 
00445       ctype(size_t __refs = 0);
00446 
00447       explicit 
00448       ctype(__c_locale __cloc, size_t __refs = 0);
00449 
00450     protected:
00451       __wmask_type
00452       _M_convert_to_wmask(const mask __m) const;
00453 
00454       virtual 
00455       ~ctype();
00456 
00457       virtual bool 
00458       do_is(mask __m, char_type __c) const;
00459 
00460       virtual const char_type*
00461       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
00462 
00463       virtual const char_type*
00464       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
00465 
00466       virtual const char_type*
00467       do_scan_not(mask __m, const char_type* __lo, 
00468           const char_type* __hi) const;
00469 
00470       virtual char_type 
00471       do_toupper(char_type) const;
00472 
00473       virtual const char_type*
00474       do_toupper(char_type* __lo, const char_type* __hi) const;
00475 
00476       virtual char_type 
00477       do_tolower(char_type) const;
00478 
00479       virtual const char_type*
00480       do_tolower(char_type* __lo, const char_type* __hi) const;
00481       
00482       virtual char_type 
00483       do_widen(char) const;
00484 
00485       virtual const char*
00486       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
00487 
00488       virtual char 
00489       do_narrow(char_type, char __dfault) const;
00490 
00491       virtual const char_type*
00492       do_narrow(const char_type* __lo, const char_type* __hi,
00493         char __dfault, char* __dest) const;
00494 
00495     };
00496 
00497   template<>
00498     const ctype<wchar_t>&
00499     use_facet<ctype<wchar_t> >(const locale& __loc);
00500 #endif //_GLIBCPP_USE_WCHAR_T
00501 
00502   // Include host and configuration specific ctype inlines.
00503   #include <bits/ctype_inline.h>
00504 
00505   // 22.2.1.2  Template class ctype_byname
00506   template<typename _CharT>
00507     class ctype_byname : public ctype<_CharT>
00508     {
00509     public:
00510       typedef _CharT        char_type;
00511 
00512       explicit 
00513       ctype_byname(const char* __s, size_t __refs = 0);
00514 
00515     protected:
00516       virtual 
00517       ~ctype_byname() { };
00518     };
00519 
00520   // 22.2.1.4  Class ctype_byname specializations.
00521   template<>
00522     ctype_byname<char>::ctype_byname(const char*, size_t refs);
00523 
00524   template<>
00525     ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs);
00526 
00527   // 22.2.1.5  Template class codecvt
00528   #include <bits/codecvt.h>
00529 
00530   // 22.2.2  The numeric category.
00531   class __num_base 
00532   {
00533   public:
00534     // NB: Code depends on the order of _S_atoms_out elements.
00535     // Below are the indices into _S_atoms_out.
00536     enum 
00537       {  
00538         _S_minus, 
00539         _S_plus, 
00540         _S_x, 
00541         _S_X, 
00542         _S_digits,
00543         _S_digits_end = _S_digits + 16,
00544         _S_udigits = _S_digits_end,  
00545         _S_udigits_end = _S_udigits + 16,
00546         _S_e = _S_digits + 14,  // For scientific notation, 'e'
00547         _S_E = _S_udigits + 14, // For scientific notation, 'E'
00548     _S_end = _S_udigits_end
00549       };
00550     
00551     // A list of valid numeric literals for output.  This array
00552     // contains chars that will be passed through the current locale's
00553     // ctype<_CharT>.widen() and then used to render numbers.
00554     // For the standard "C" locale, this is
00555     // "-+xX0123456789abcdef0123456789ABCDEF".
00556     static const char* _S_atoms_out;
00557 
00558   protected:
00559     // String literal of acceptable (narrow) input, for num_get.
00560     // "0123456789eEabcdfABCDF"
00561     static const char* _S_atoms_in;
00562 
00563     enum 
00564     {  
00565       _M_zero,
00566       _M_e = _M_zero + 10,
00567       _M_E = _M_zero + 11,
00568       _M_size = 21 + 1
00569     };
00570 
00571     // num_put
00572     // Construct and return valid scanf format for floating point types.
00573     static void
00574     _S_format_float(const ios_base& __io, char* __fptr, char __mod, 
00575             streamsize __prec);
00576     
00577     // Construct and return valid scanf format for integer types.
00578     static void
00579     _S_format_int(const ios_base& __io, char* __fptr, char __mod, char __modl);
00580   };
00581 
00582 
00583   template<typename _CharT>
00584     class __locale_cache;
00585 
00586   template<typename _CharT>
00587     class numpunct : public locale::facet
00588     {
00589     public:
00590       // Types:
00591       typedef _CharT                char_type;
00592       typedef basic_string<_CharT>  string_type;
00593 
00594       friend class __locale_cache<numpunct<_CharT> >;
00595 
00596       static locale::id         id;
00597 
00598     private:
00599       char_type             _M_decimal_point;
00600       char_type             _M_thousands_sep;
00601       const char*           _M_grouping;
00602       const char_type*          _M_truename;
00603       const char_type*          _M_falsename;
00604 
00605     public:
00606       explicit 
00607       numpunct(size_t __refs = 0) : locale::facet(__refs) 
00608       { _M_initialize_numpunct(); }
00609 
00610       explicit 
00611       numpunct(__c_locale __cloc, size_t __refs = 0) : locale::facet(__refs) 
00612       { _M_initialize_numpunct(__cloc); }
00613 
00614       char_type    
00615       decimal_point() const
00616       { return this->do_decimal_point(); }
00617 
00618       char_type    
00619       thousands_sep() const
00620       { return this->do_thousands_sep(); }
00621 
00622       string       
00623       grouping() const
00624       { return this->do_grouping(); }
00625 
00626       string_type  
00627       truename() const
00628       { return this->do_truename(); }
00629 
00630       string_type  
00631       falsename() const
00632       { return this->do_falsename(); }
00633 
00634     protected:
00635       virtual 
00636       ~numpunct();
00637 
00638       virtual char_type    
00639       do_decimal_point() const
00640       { return _M_decimal_point; }
00641 
00642       virtual char_type    
00643       do_thousands_sep() const
00644       { return _M_thousands_sep; }
00645 
00646       virtual string
00647       do_grouping() const
00648       { return _M_grouping; }
00649 
00650       virtual string_type  
00651       do_truename() const
00652       { return _M_truename; }
00653 
00654       virtual string_type  
00655       do_falsename() const
00656       { return _M_falsename; }
00657 
00658       // For use at construction time only.
00659       void 
00660       _M_initialize_numpunct(__c_locale __cloc = NULL);
00661     };
00662 
00663   template<typename _CharT>
00664     locale::id numpunct<_CharT>::id;
00665 
00666   template<> 
00667     numpunct<char>::~numpunct();
00668 
00669   template<> 
00670     void
00671     numpunct<char>::_M_initialize_numpunct(__c_locale __cloc);
00672 
00673 #ifdef _GLIBCPP_USE_WCHAR_T
00674   template<> 
00675     numpunct<wchar_t>::~numpunct();
00676 
00677   template<> 
00678     void
00679     numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc);
00680 #endif
00681 
00682   template<typename _CharT>
00683     class numpunct_byname : public numpunct<_CharT>
00684     {
00685       // Data Member.
00686       __c_locale            _M_c_locale_numpunct;
00687 
00688     public:
00689       typedef _CharT                char_type;
00690       typedef basic_string<_CharT>  string_type;
00691 
00692       explicit 
00693       numpunct_byname(const char* __s, size_t __refs = 0)
00694       : numpunct<_CharT>(__refs)
00695       {
00696     _S_create_c_locale(_M_c_locale_numpunct, __s);
00697     _M_initialize_numpunct(_M_c_locale_numpunct);   
00698       }
00699 
00700     protected:
00701       virtual 
00702       ~numpunct_byname() 
00703       { _S_destroy_c_locale(_M_c_locale_numpunct); }
00704     };
00705 
00706   template<typename _CharT, typename _InIter>
00707     class num_get : public locale::facet, public __num_base
00708     {
00709     public:
00710       // Types:
00711       typedef _CharT            char_type;
00712       typedef _InIter           iter_type;
00713 
00714       static locale::id         id;
00715 
00716       explicit 
00717       num_get(size_t __refs = 0) : locale::facet(__refs) { }
00718 
00719       iter_type 
00720       get(iter_type __in, iter_type __end, ios_base& __io,
00721       ios_base::iostate& __err, bool& __v) const
00722       { return this->do_get(__in, __end, __io, __err, __v); }
00723 
00724       iter_type
00725       get(iter_type __in, iter_type __end, ios_base& __io, 
00726       ios_base::iostate& __err, long& __v) const
00727       { return this->do_get(__in, __end, __io, __err, __v); }
00728 
00729       iter_type 
00730       get(iter_type __in, iter_type __end, ios_base& __io,
00731       ios_base::iostate& __err, unsigned short& __v) const
00732       { return this->do_get(__in, __end, __io, __err, __v); }
00733 
00734       iter_type 
00735       get(iter_type __in, iter_type __end, ios_base& __io,
00736       ios_base::iostate& __err, unsigned int& __v)   const
00737       { return this->do_get(__in, __end, __io, __err, __v); }
00738 
00739       iter_type 
00740       get(iter_type __in, iter_type __end, ios_base& __io,
00741       ios_base::iostate& __err, unsigned long& __v)  const
00742       { return this->do_get(__in, __end, __io, __err, __v); }
00743 
00744 #ifdef _GLIBCPP_USE_LONG_LONG
00745       iter_type 
00746       get(iter_type __in, iter_type __end, ios_base& __io,
00747       ios_base::iostate& __err, long long& __v) const
00748       { return this->do_get(__in, __end, __io, __err, __v); }
00749 
00750       iter_type 
00751       get(iter_type __in, iter_type __end, ios_base& __io,
00752       ios_base::iostate& __err, unsigned long long& __v)  const
00753       { return this->do_get(__in, __end, __io, __err, __v); }
00754 #endif
00755 
00756       iter_type 
00757       get(iter_type __in, iter_type __end, ios_base& __io,
00758       ios_base::iostate& __err, float& __v) const
00759       { return this->do_get(__in, __end, __io, __err, __v); }
00760 
00761       iter_type 
00762       get(iter_type __in, iter_type __end, ios_base& __io,
00763       ios_base::iostate& __err, double& __v) const
00764       { return this->do_get(__in, __end, __io, __err, __v); }
00765 
00766       iter_type 
00767       get(iter_type __in, iter_type __end, ios_base& __io,
00768       ios_base::iostate& __err, long double& __v) const
00769       { return this->do_get(__in, __end, __io, __err, __v); }
00770 
00771       iter_type 
00772       get(iter_type __in, iter_type __end, ios_base& __io,
00773       ios_base::iostate& __err, void*& __v) const
00774       { return this->do_get(__in, __end, __io, __err, __v); }      
00775 
00776     protected:
00777       virtual ~num_get() { }
00778 
00779       iter_type 
00780       _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&, 
00781                string& __xtrc) const;
00782 
00783       iter_type 
00784       _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&, 
00785              string& __xtrc, int& __base) const;
00786 
00787       virtual iter_type 
00788       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
00789 
00790 
00791       virtual iter_type 
00792       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const;
00793 
00794       virtual iter_type 
00795       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00796           unsigned short&) const;
00797 
00798       virtual iter_type 
00799       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00800          unsigned int&) const;
00801 
00802       virtual iter_type 
00803       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00804          unsigned long&) const;
00805 
00806 #ifdef _GLIBCPP_USE_LONG_LONG 
00807       virtual iter_type 
00808       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00809          long long&) const;
00810 
00811       virtual iter_type 
00812       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00813          unsigned long long&) const;
00814 #endif
00815 
00816       virtual iter_type 
00817       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00818          float&) const;
00819 
00820       virtual iter_type 
00821       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00822          double&) const;
00823 
00824       virtual iter_type 
00825       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00826          long double&) const;
00827 
00828       virtual iter_type 
00829       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, 
00830          void*&) const;
00831     };
00832 
00833   template<typename _CharT, typename _InIter>
00834     locale::id num_get<_CharT, _InIter>::id;
00835 
00836 #if 0
00837   // Partial specialization for istreambuf_iterator, so can use traits_type.
00838   template<typename _CharT>
00839     class num_get<_CharT, istreambuf_iterator<_CharT> >;
00840 
00841       iter_type 
00842       _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&, 
00843                string& __xtrc) const;
00844 
00845       iter_type 
00846       _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&, 
00847              string& __xtrc, int& __base) const;
00848 
00849       virtual iter_type 
00850       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
00851 #endif
00852 
00853   template<typename _CharT, typename _OutIter>
00854     class num_put : public locale::facet, public __num_base
00855     {
00856     public:
00857       // Types:
00858       typedef _CharT        char_type;
00859       typedef _OutIter      iter_type;
00860       static locale::id     id;
00861 
00862       explicit 
00863       num_put(size_t __refs = 0) : locale::facet(__refs) { }
00864 
00865       iter_type 
00866       put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const
00867       { return this->do_put(__s, __f, __fill, __v); }
00868 
00869       iter_type 
00870       put(iter_type __s, ios_base& __f, char_type __fill, long __v) const
00871       { return this->do_put(__s, __f, __fill, __v); }
00872 
00873       iter_type 
00874       put(iter_type __s, ios_base& __f, char_type __fill, 
00875       unsigned long __v) const
00876       { return this->do_put(__s, __f, __fill, __v); }
00877 
00878 #ifdef _GLIBCPP_USE_LONG_LONG 
00879       iter_type 
00880       put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const
00881       { return this->do_put(__s, __f, __fill, __v); }
00882 
00883       iter_type 
00884       put(iter_type __s, ios_base& __f, char_type __fill, 
00885       unsigned long long __v) const
00886       { return this->do_put(__s, __f, __fill, __v); }
00887 #endif
00888 
00889       iter_type 
00890       put(iter_type __s, ios_base& __f, char_type __fill, double __v) const
00891       { return this->do_put(__s, __f, __fill, __v); }
00892 
00893       iter_type 
00894       put(iter_type __s, ios_base& __f, char_type __fill, 
00895       long double __v) const
00896       { return this->do_put(__s, __f, __fill, __v); }
00897 
00898       iter_type 
00899       put(iter_type __s, ios_base& __f, char_type __fill, 
00900       const void* __v) const
00901       { return this->do_put(__s, __f, __fill, __v); }
00902 
00903     protected:
00904       template<typename _ValueT>
00905         iter_type
00906         _M_convert_float(iter_type, ios_base& __io, char_type __fill, 
00907              char __mod, _ValueT __v) const;
00908 
00909       void
00910       _M_group_float(const string& __grouping, char_type __sep, 
00911              const char_type* __p, char_type* __new, char_type* __cs,
00912              int& __len) const;
00913 
00914       template<typename _ValueT>
00915         iter_type
00916         _M_convert_int(iter_type, ios_base& __io, char_type __fill, 
00917                _ValueT __v) const;
00918 
00919       void
00920       _M_group_int(const string& __grouping, char_type __sep, 
00921            ios_base& __io, char_type* __new, char_type* __cs, 
00922            int& __len) const;
00923 
00924       void
00925       _M_pad(char_type __fill, streamsize __w, ios_base& __io, 
00926          char_type* __new, const char_type* __cs, int& __len) const;
00927 
00928 #if 1
00929       // XXX GLIBCXX_ABI Deprecated, compatibility only.
00930       template<typename _ValueT>
00931         iter_type
00932         _M_convert_int(iter_type, ios_base& __io, char_type __fill, 
00933                char __mod, char __modl, _ValueT __v) const;
00934 
00935       iter_type
00936       _M_widen_float(iter_type, ios_base& __io, char_type __fill, char* __cs, 
00937              int __len) const;
00938 
00939       iter_type
00940       _M_widen_int(iter_type, ios_base& __io, char_type __fill, char* __cs, 
00941            int __len) const;
00942 
00943       iter_type
00944       _M_insert(iter_type, ios_base& __io, char_type __fill, 
00945         const char_type* __ws, int __len) const;
00946 #endif
00947 
00948      virtual 
00949       ~num_put() { };
00950 
00951       virtual iter_type 
00952       do_put(iter_type, ios_base&, char_type __fill, bool __v) const;
00953 
00954       virtual iter_type 
00955       do_put(iter_type, ios_base&, char_type __fill, long __v) const;
00956 
00957       virtual iter_type 
00958       do_put(iter_type, ios_base&, char_type __fill, unsigned long) const;
00959 
00960 #ifdef _GLIBCPP_USE_LONG_LONG 
00961       virtual iter_type 
00962       do_put(iter_type, ios_base&, char_type __fill, long long __v) const;
00963 
00964       virtual iter_type
00965       do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const;
00966 #endif
00967 
00968       virtual iter_type 
00969       do_put(iter_type, ios_base&, char_type __fill, double __v) const;
00970 
00971       virtual iter_type 
00972       do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
00973 
00974       virtual iter_type 
00975       do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
00976     };
00977 
00978   template <typename _CharT, typename _OutIter>
00979     locale::id num_put<_CharT, _OutIter>::id;
00980 
00981 
00982   template<typename _CharT>
00983     class collate : public locale::facet
00984     {
00985     public:
00986       // Types:
00987       typedef _CharT                char_type;
00988       typedef basic_string<_CharT>  string_type;
00989 
00990     protected:
00991       // Underlying "C" library locale information saved from
00992       // initialization, needed by collate_byname as well.
00993       __c_locale            _M_c_locale_collate;
00994  
00995     public:
00996       static locale::id         id;
00997 
00998       explicit 
00999       collate(size_t __refs = 0)
01000       : locale::facet(__refs)
01001       { _M_c_locale_collate = _S_c_locale; }
01002 
01003       explicit 
01004       collate(__c_locale __cloc, size_t __refs = 0) 
01005       : locale::facet(__refs)
01006       { _M_c_locale_collate = _S_clone_c_locale(__cloc); }
01007 
01008       int 
01009       compare(const _CharT* __lo1, const _CharT* __hi1,
01010           const _CharT* __lo2, const _CharT* __hi2) const
01011       { return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
01012 
01013       string_type 
01014       transform(const _CharT* __lo, const _CharT* __hi) const
01015       { return this->do_transform(__lo, __hi); }
01016 
01017       long 
01018       hash(const _CharT* __lo, const _CharT* __hi) const
01019       { return this->do_hash(__lo, __hi); }
01020       
01021       // Used to abstract out _CharT bits in virtual member functions, below.
01022       int
01023       _M_compare(const _CharT*, const _CharT*) const;
01024 
01025       size_t
01026       _M_transform(_CharT*, const _CharT*, size_t) const;
01027 
01028   protected:
01029       virtual
01030       ~collate() 
01031       { _S_destroy_c_locale(_M_c_locale_collate); }
01032 
01033       virtual int  
01034       do_compare(const _CharT* __lo1, const _CharT* __hi1,
01035          const _CharT* __lo2, const _CharT* __hi2) const;
01036 
01037       virtual string_type 
01038       do_transform(const _CharT* __lo, const _CharT* __hi) const;
01039 
01040       virtual long   
01041       do_hash(const _CharT* __lo, const _CharT* __hi) const;
01042     };
01043 
01044   template<typename _CharT>
01045     locale::id collate<_CharT>::id;
01046 
01047   // Specializations.
01048   template<>
01049     int 
01050     collate<char>::_M_compare(const char*, const char*) const;
01051 
01052   template<>
01053     size_t
01054     collate<char>::_M_transform(char*, const char*, size_t) const;
01055 
01056 #ifdef _GLIBCPP_USE_WCHAR_T
01057   template<>
01058     int 
01059     collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const;
01060 
01061   template<>
01062     size_t
01063     collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const;
01064 #endif
01065 
01066   template<typename _CharT>
01067     class collate_byname : public collate<_CharT>
01068     {
01069     public:
01070       typedef _CharT               char_type;
01071       typedef basic_string<_CharT> string_type;
01072 
01073       explicit 
01074       collate_byname(const char* __s, size_t __refs = 0)
01075       : collate<_CharT>(__refs) 
01076       { 
01077     _S_destroy_c_locale(_M_c_locale_collate);
01078     _S_create_c_locale(_M_c_locale_collate, __s); 
01079       }
01080 
01081     protected:
01082       virtual   
01083       ~collate_byname() { }
01084     };
01085 
01086 
01087   class time_base
01088   {
01089   public:
01090     enum dateorder { no_order, dmy, mdy, ymd, ydm };
01091   };
01092 
01093   template<typename _CharT>
01094     class __timepunct : public locale::facet
01095     {
01096     public:
01097       // Types:
01098       typedef _CharT                __char_type;
01099       typedef basic_string<_CharT>  __string_type;
01100 
01101       static locale::id         id;
01102 
01103       // List of all known timezones, with GMT first.
01104       static const _CharT*      _S_timezones[14];
01105 
01106     protected:
01107       __c_locale            _M_c_locale_timepunct;
01108       char*             _M_name_timepunct;
01109       const _CharT*             _M_date_format;
01110       const _CharT*             _M_date_era_format;
01111       const _CharT*             _M_time_format;
01112       const _CharT*             _M_time_era_format;
01113       const _CharT*         _M_date_time_format;
01114       const _CharT*         _M_date_time_era_format;
01115       const _CharT*             _M_am;
01116       const _CharT*             _M_pm;
01117       const _CharT*         _M_am_pm_format;
01118 
01119       // Day names, starting with "C"'s Sunday.
01120       const _CharT*             _M_day1;
01121       const _CharT*             _M_day2;
01122       const _CharT*             _M_day3;
01123       const _CharT*             _M_day4;
01124       const _CharT*             _M_day5;
01125       const _CharT*             _M_day6;
01126       const _CharT*             _M_day7;
01127 
01128       // Abbreviated day names, starting with "C"'s Sun.
01129       const _CharT*             _M_day_a1;
01130       const _CharT*             _M_day_a2;
01131       const _CharT*             _M_day_a3;
01132       const _CharT*             _M_day_a4;
01133       const _CharT*             _M_day_a5;
01134       const _CharT*             _M_day_a6;
01135       const _CharT*             _M_day_a7;
01136 
01137       // Month names, starting with "C"'s January.
01138       const _CharT*             _M_month01;
01139       const _CharT*             _M_month02;
01140       const _CharT*             _M_month03;
01141       const _CharT*             _M_month04;
01142       const _CharT*             _M_month05;
01143       const _CharT*             _M_month06;
01144       const _CharT*             _M_month07;
01145       const _CharT*             _M_month08;
01146       const _CharT*             _M_month09;
01147       const _CharT*             _M_month10;
01148       const _CharT*             _M_month11;
01149       const _CharT*             _M_month12;
01150 
01151       // Abbreviated month names, starting with "C"'s Jan.
01152       const _CharT*             _M_month_a01;
01153       const _CharT*             _M_month_a02;
01154       const _CharT*             _M_month_a03;
01155       const _CharT*             _M_month_a04;
01156       const _CharT*             _M_month_a05;
01157       const _CharT*             _M_month_a06;
01158       const _CharT*             _M_month_a07;
01159       const _CharT*             _M_month_a08;
01160       const _CharT*             _M_month_a09;
01161       const _CharT*             _M_month_a10;
01162       const _CharT*             _M_month_a11;
01163       const _CharT*             _M_month_a12;
01164 
01165     public:
01166       explicit 
01167       __timepunct(size_t __refs = 0);
01168 
01169       explicit 
01170       __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);
01171 
01172       void
01173       _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format, 
01174          const tm* __tm) const;
01175 
01176       void
01177       _M_date_formats(const _CharT** __date) const
01178       {
01179     // Always have default first.
01180     __date[0] = _M_date_format;
01181     __date[1] = _M_date_era_format; 
01182       }
01183 
01184       void
01185       _M_time_formats(const _CharT** __time) const
01186       {
01187     // Always have default first.
01188     __time[0] = _M_time_format;
01189     __time[1] = _M_time_era_format; 
01190       }
01191 
01192       void
01193       _M_ampm(const _CharT** __ampm) const
01194       { 
01195     __ampm[0] = _M_am;
01196     __ampm[1] = _M_pm;
01197       }      
01198 
01199       void
01200       _M_date_time_formats(const _CharT** __dt) const
01201       {
01202     // Always have default first.
01203     __dt[0] = _M_date_time_format;
01204     __dt[1] = _M_date_time_era_format;  
01205       }
01206 
01207       void
01208       _M_days(const _CharT** __days) const
01209       { 
01210     __days[0] = _M_day1;
01211     __days[1] = _M_day2;
01212     __days[2] = _M_day3;
01213     __days[3] = _M_day4;
01214     __days[4] = _M_day5;
01215     __days[5] = _M_day6;
01216     __days[6] = _M_day7;
01217       }
01218 
01219       void
01220       _M_days_abbreviated(const _CharT** __days) const
01221       { 
01222     __days[0] = _M_day_a1;
01223     __days[1] = _M_day_a2;
01224     __days[2] = _M_day_a3;
01225     __days[3] = _M_day_a4;
01226     __days[4] = _M_day_a5;
01227     __days[5] = _M_day_a6;
01228     __days[6] = _M_day_a7;
01229       }
01230 
01231       void
01232       _M_months(const _CharT** __months) const
01233       { 
01234     __months[0] = _M_month01;
01235     __months[1] = _M_month02;
01236     __months[2] = _M_month03;
01237     __months[3] = _M_month04;
01238     __months[4] = _M_month05;
01239     __months[5] = _M_month06;
01240     __months[6] = _M_month07;
01241     __months[7] = _M_month08;
01242     __months[8] = _M_month09;
01243     __months[9] = _M_month10;
01244     __months[10] = _M_month11;
01245     __months[11] = _M_month12;
01246       }
01247 
01248       void
01249       _M_months_abbreviated(const _CharT** __months) const
01250       { 
01251     __months[0] = _M_month_a01;
01252     __months[1] = _M_month_a02;
01253     __months[2] = _M_month_a03;
01254     __months[3] = _M_month_a04;
01255     __months[4] = _M_month_a05;
01256     __months[5] = _M_month_a06;
01257     __months[6] = _M_month_a07;
01258     __months[7] = _M_month_a08;
01259     __months[8] = _M_month_a09;
01260     __months[9] = _M_month_a10;
01261     __months[10] = _M_month_a11;
01262     __months[11] = _M_month_a12;
01263       }
01264 
01265     protected:
01266       virtual 
01267       ~__timepunct();
01268 
01269       // For use at construction time only.
01270       void 
01271       _M_initialize_timepunct(__c_locale __cloc = NULL);
01272     };
01273 
01274   template<typename _CharT>
01275     locale::id __timepunct<_CharT>::id;
01276 
01277   // Specializations.
01278   template<> 
01279     const char*
01280     __timepunct<char>::_S_timezones[14];
01281 
01282   template<> 
01283     void
01284     __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
01285 
01286   template<>
01287     void
01288     __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const;
01289 
01290 #ifdef _GLIBCPP_USE_WCHAR_T
01291   template<> 
01292     const wchar_t*
01293     __timepunct<wchar_t>::_S_timezones[14];
01294 
01295   template<> 
01296     void
01297     __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
01298 
01299   template<>
01300     void
01301     __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*, 
01302                  const tm*) const;
01303 #endif
01304 
01305   // Generic.
01306   template<typename _CharT>
01307     const _CharT* __timepunct<_CharT>::_S_timezones[14];
01308 
01309   // Include host and configuration specific timepunct functions.
01310   #include <bits/time_members.h>
01311 
01312   template<typename _CharT, typename _InIter>
01313     class time_get : public locale::facet, public time_base
01314     {
01315     public:
01316       // Types:
01317       typedef _CharT            char_type;
01318       typedef _InIter           iter_type;
01319       typedef basic_string<_CharT>  __string_type;
01320 
01321       static locale::id         id;
01322 
01323       explicit 
01324       time_get(size_t __refs = 0) 
01325       : locale::facet (__refs) { }
01326 
01327       dateorder 
01328       date_order()  const
01329       { return this->do_date_order(); }
01330 
01331       iter_type 
01332       get_time(iter_type __beg, iter_type __end, ios_base& __io, 
01333            ios_base::iostate& __err, tm* __tm)  const
01334       { return this->do_get_time(__beg, __end, __io, __err, __tm); }
01335 
01336       iter_type 
01337       get_date(iter_type __beg, iter_type __end, ios_base& __io,
01338            ios_base::iostate& __err, tm* __tm)  const
01339       { return this->do_get_date(__beg, __end, __io, __err, __tm); }
01340 
01341       iter_type 
01342       get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
01343           ios_base::iostate& __err, tm* __tm) const
01344       { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
01345 
01346       iter_type 
01347       get_monthname(iter_type __beg, iter_type __end, ios_base& __io, 
01348             ios_base::iostate& __err, tm* __tm) const
01349       { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
01350 
01351       iter_type 
01352       get_year(iter_type __beg, iter_type __end, ios_base& __io,
01353            ios_base::iostate& __err, tm* __tm) const
01354       { return this->do_get_year(__beg, __end, __io, __err, __tm); }
01355 
01356     protected:
01357       virtual 
01358       ~time_get() { }
01359 
01360       virtual dateorder 
01361       do_date_order() const;
01362 
01363       virtual iter_type 
01364       do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
01365           ios_base::iostate& __err, tm* __tm) const;
01366 
01367       virtual iter_type 
01368       do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
01369           ios_base::iostate& __err, tm* __tm) const;
01370 
01371       virtual iter_type 
01372       do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
01373              ios_base::iostate& __err, tm* __tm) const;
01374 
01375       virtual iter_type 
01376       do_get_monthname(iter_type __beg, iter_type __end, ios_base&, 
01377                ios_base::iostate& __err, tm* __tm) const;
01378 
01379       virtual iter_type 
01380       do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
01381           ios_base::iostate& __err, tm* __tm) const;
01382 
01383       // Extract numeric component of length __len.
01384       void
01385       _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
01386              int __min, int __max, size_t __len,
01387              const ctype<_CharT>& __ctype, 
01388              ios_base::iostate& __err) const;
01389       
01390       // Extract day or month name, or any unique array of string
01391       // literals in a const _CharT* array.
01392       void
01393       _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
01394               const _CharT** __names, size_t __indexlen, 
01395               ios_base::iostate& __err) const;
01396 
01397       // Extract on a component-by-component basis, via __format argument.
01398       void
01399       _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
01400                 ios_base::iostate& __err, tm* __tm, 
01401                 const _CharT* __format) const;
01402     };
01403 
01404   template<typename _CharT, typename _InIter>
01405     locale::id time_get<_CharT, _InIter>::id;
01406 
01407   template<typename _CharT, typename _InIter>
01408     class time_get_byname : public time_get<_CharT, _InIter>
01409     {
01410     public:
01411       // Types:
01412       typedef _CharT            char_type;
01413       typedef _InIter           iter_type;
01414 
01415       explicit 
01416       time_get_byname(const char*, size_t __refs = 0) 
01417       : time_get<_CharT, _InIter>(__refs) { }
01418 
01419     protected:
01420       virtual 
01421       ~time_get_byname() { }
01422     };
01423 
01424   template<typename _CharT, typename _OutIter>
01425     class time_put : public locale::facet, public time_base
01426     {
01427     public:
01428       // Types:
01429       typedef _CharT            char_type;
01430       typedef _OutIter          iter_type;
01431 
01432       static locale::id             id;
01433 
01434       explicit 
01435       time_put(size_t __refs = 0) 
01436       : locale::facet(__refs) { }
01437 
01438       iter_type 
01439       put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, 
01440       const _CharT* __beg, const _CharT* __end) const;
01441 
01442       iter_type 
01443       put(iter_type __s, ios_base& __io, char_type __fill,
01444       const tm* __tm, char __format, char __mod = 0) const
01445       { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
01446 
01447     protected:
01448       virtual 
01449       ~time_put()
01450       { }
01451 
01452       virtual iter_type 
01453       do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, 
01454          char __format, char __mod) const;
01455     };
01456 
01457   template<typename _CharT, typename _OutIter>
01458     locale::id time_put<_CharT, _OutIter>::id;
01459 
01460   template<typename _CharT, typename _OutIter>
01461     class time_put_byname : public time_put<_CharT, _OutIter>
01462     {
01463     public:
01464       // Types:
01465       typedef _CharT            char_type;
01466       typedef _OutIter          iter_type;
01467 
01468       explicit 
01469       time_put_byname(const char* /*__s*/, size_t __refs = 0) 
01470       : time_put<_CharT, _OutIter>(__refs) 
01471       { };
01472 
01473     protected:
01474       virtual 
01475       ~time_put_byname() { }
01476     };
01477 
01478 
01479   class money_base
01480   {
01481   public:
01482     enum part { none, space, symbol, sign, value };
01483     struct pattern { char field[4]; };
01484 
01485     static const pattern _S_default_pattern;
01486 
01487     // Construct and return valid pattern consisting of some combination of:
01488     // space none symbol sign value
01489     static pattern 
01490     _S_construct_pattern(char __precedes, char __space, char __posn);
01491   };
01492 
01493   template<typename _CharT, bool _Intl>
01494     class moneypunct : public locale::facet, public money_base
01495     {
01496     public:
01497       // Types:
01498       typedef _CharT            char_type;
01499       typedef basic_string<_CharT>  string_type;
01500 
01501       static const bool         intl = _Intl;
01502       static locale::id         id;
01503 
01504     private:
01505       const char*           _M_grouping;
01506       char_type             _M_decimal_point;
01507       char_type             _M_thousands_sep;
01508       const char_type*          _M_curr_symbol;
01509       const char_type*          _M_positive_sign;
01510       const char_type*          _M_negative_sign;
01511       int               _M_frac_digits;
01512       pattern               _M_pos_format;
01513       pattern               _M_neg_format;
01514 
01515     public:
01516       explicit 
01517       moneypunct(size_t __refs = 0) : locale::facet(__refs)
01518       { _M_initialize_moneypunct(); }
01519 
01520       explicit 
01521       moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0) 
01522       : locale::facet(__refs)
01523       { _M_initialize_moneypunct(__cloc, __s); }
01524 
01525       char_type
01526       decimal_point() const
01527       { return this->do_decimal_point(); }
01528       
01529       char_type
01530       thousands_sep() const
01531       { return this->do_thousands_sep(); }
01532       
01533       string 
01534       grouping() const
01535       { return this->do_grouping(); }
01536 
01537       string_type  
01538       curr_symbol() const
01539       { return this->do_curr_symbol(); }
01540 
01541       string_type  
01542       positive_sign() const
01543       { return this->do_positive_sign(); }
01544 
01545       string_type  
01546       negative_sign() const
01547       { return this->do_negative_sign(); }
01548 
01549       int          
01550       frac_digits() const
01551       { return this->do_frac_digits(); }
01552 
01553       pattern      
01554       pos_format() const
01555       { return this->do_pos_format(); }
01556 
01557       pattern      
01558       neg_format() const
01559       { return this->do_neg_format(); }
01560 
01561     protected:
01562       virtual 
01563       ~moneypunct();
01564 
01565       virtual char_type
01566       do_decimal_point() const
01567       { return _M_decimal_point; }
01568       
01569       virtual char_type
01570       do_thousands_sep() const
01571       { return _M_thousands_sep; }
01572       
01573       virtual string 
01574       do_grouping() const
01575       { return _M_grouping; }
01576 
01577       virtual string_type  
01578       do_curr_symbol()   const
01579       { return _M_curr_symbol; }
01580 
01581       virtual string_type  
01582       do_positive_sign() const
01583       { return _M_positive_sign; }
01584 
01585       virtual string_type  
01586       do_negative_sign() const
01587       { return _M_negative_sign; }
01588 
01589       virtual int          
01590       do_frac_digits() const
01591       { return _M_frac_digits; }
01592 
01593       virtual pattern      
01594       do_pos_format() const
01595       { return _M_pos_format; }
01596 
01597       virtual pattern      
01598       do_neg_format() const
01599       { return _M_neg_format; }
01600 
01601       // For use at construction time only.
01602        void 
01603        _M_initialize_moneypunct(__c_locale __cloc = NULL, 
01604                 const char* __name = NULL);
01605     };
01606 
01607   template<typename _CharT, bool _Intl>
01608     locale::id moneypunct<_CharT, _Intl>::id;
01609 
01610   template<typename _CharT, bool _Intl>
01611     const bool moneypunct<_CharT, _Intl>::intl;
01612 
01613   template<>
01614     moneypunct<char, true>::~moneypunct();
01615 
01616   template<>
01617     moneypunct<char, false>::~moneypunct();
01618 
01619   template<> 
01620     void
01621     moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
01622 
01623   template<> 
01624     void
01625     moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
01626 
01627 #ifdef _GLIBCPP_USE_WCHAR_T
01628   template<>
01629     moneypunct<wchar_t, true>::~moneypunct();
01630 
01631   template<>
01632     moneypunct<wchar_t, false>::~moneypunct();
01633 
01634   template<> 
01635     void
01636     moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale, 
01637                             const char*);
01638 
01639   template<> 
01640     void
01641     moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale, 
01642                              const char*);
01643 #endif
01644 
01645   template<typename _CharT, bool _Intl>
01646     class moneypunct_byname : public moneypunct<_CharT, _Intl>
01647     {
01648       __c_locale            _M_c_locale_moneypunct;
01649 
01650     public:
01651       typedef _CharT            char_type;
01652       typedef basic_string<_CharT>  string_type;
01653 
01654       static const bool intl = _Intl;
01655 
01656       explicit 
01657       moneypunct_byname(const char* __s, size_t __refs = 0)
01658       : moneypunct<_CharT, _Intl>(__refs)
01659       {
01660     _S_create_c_locale(_M_c_locale_moneypunct, __s);
01661     _M_initialize_moneypunct(_M_c_locale_moneypunct);   
01662       }
01663 
01664     protected:
01665       virtual 
01666       ~moneypunct_byname() 
01667       { _S_destroy_c_locale(_M_c_locale_moneypunct); }
01668     };
01669 
01670   template<typename _CharT, bool _Intl>
01671     const bool moneypunct_byname<_CharT, _Intl>::intl;
01672 
01673   template<typename _CharT, typename _InIter>
01674     class money_get : public locale::facet
01675     {
01676     public:
01677       // Types:
01678       typedef _CharT                char_type;
01679       typedef _InIter               iter_type;
01680       typedef basic_string<_CharT>  string_type;
01681 
01682       static locale::id         id;
01683 
01684       explicit 
01685       money_get(size_t __refs = 0) : locale::facet(__refs) { }
01686 
01687       iter_type 
01688       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, 
01689       ios_base::iostate& __err, long double& __units) const
01690       { return this->do_get(__s, __end, __intl, __io, __err, __units); }
01691 
01692       iter_type 
01693       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, 
01694       ios_base::iostate& __err, string_type& __digits) const
01695       { return this->do_get(__s, __end, __intl, __io, __err, __digits); }
01696 
01697     protected:
01698       virtual 
01699       ~money_get() { }
01700 
01701       virtual iter_type 
01702       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, 
01703          ios_base::iostate& __err, long double& __units) const;
01704 
01705       virtual iter_type 
01706       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, 
01707          ios_base::iostate& __err, string_type& __digits) const;
01708     };
01709 
01710   template<typename _CharT, typename _InIter>
01711     locale::id money_get<_CharT, _InIter>::id;
01712 
01713   template<typename _CharT, typename _OutIter>
01714     class money_put : public locale::facet
01715     {
01716     public:
01717       typedef _CharT                char_type;
01718       typedef _OutIter              iter_type;
01719       typedef basic_string<_CharT>  string_type;
01720 
01721       static locale::id         id;
01722 
01723       explicit 
01724       money_put(size_t __refs = 0) : locale::facet(__refs) { }
01725 
01726       iter_type 
01727       put(iter_type __s, bool __intl, ios_base& __io,
01728       char_type __fill, long double __units) const
01729       { return this->do_put(__s, __intl, __io, __fill, __units); }
01730 
01731       iter_type 
01732       put(iter_type __s, bool __intl, ios_base& __io,
01733       char_type __fill, const string_type& __digits) const
01734       { return this->do_put(__s, __intl, __io, __fill, __digits); }
01735 
01736     protected:
01737       virtual 
01738       ~money_put() { }
01739 
01740       virtual iter_type
01741       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01742          long double __units) const;
01743 
01744       virtual iter_type
01745       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
01746          const string_type& __digits) const;
01747     };
01748 
01749   template<typename _CharT, typename _OutIter>
01750     locale::id money_put<_CharT, _OutIter>::id;
01751 
01752 
01753   struct messages_base
01754   {
01755     typedef int catalog;
01756   };
01757 
01758   template<typename _CharT>
01759     class messages : public locale::facet, public messages_base
01760     {
01761     public:
01762       // Types:
01763       typedef _CharT            char_type;
01764       typedef basic_string<_CharT>  string_type;
01765 
01766     protected:
01767       // Underlying "C" library locale information saved from
01768       // initialization, needed by messages_byname as well.
01769       __c_locale            _M_c_locale_messages;
01770       char*             _M_name_messages;
01771 
01772     public:
01773       static locale::id         id;
01774 
01775       explicit 
01776       messages(size_t __refs = 0);
01777 
01778       // Non-standard.
01779       explicit 
01780       messages(__c_locale __cloc, const char* __s, size_t __refs = 0);
01781 
01782       catalog 
01783       open(const basic_string<char>& __s, const locale& __loc) const
01784       { return this->do_open(__s, __loc); }
01785 
01786       // Non-standard and unorthodox, yet effective.
01787       catalog 
01788       open(const basic_string<char>&, const locale&, const char*) const;
01789 
01790       string_type  
01791       get(catalog __c, int __set, int __msgid, const string_type& __s) const
01792       { return this->do_get(__c, __set, __msgid, __s); }
01793 
01794       void 
01795       close(catalog __c) const
01796       { return this->do_close(__c); }
01797 
01798     protected:
01799       virtual 
01800       ~messages();
01801 
01802       virtual catalog 
01803       do_open(const basic_string<char>&, const locale&) const;
01804 
01805       virtual string_type  
01806       do_get(catalog, int, int, const string_type& __dfault) const;
01807 
01808       virtual void    
01809       do_close(catalog) const;
01810 
01811       // Returns a locale and codeset-converted string, given a char* message.
01812       char*
01813       _M_convert_to_char(const string_type& __msg) const
01814       {
01815     // XXX
01816     return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
01817       }
01818 
01819       // Returns a locale and codeset-converted string, given a char* message.
01820       string_type
01821       _M_convert_from_char(char* __msg) const
01822       {
01823     // Length of message string without terminating null.
01824     size_t __len = char_traits<char>::length(__msg) - 1;
01825 
01826     // "everybody can easily convert the string using
01827     // mbsrtowcs/wcsrtombs or with iconv()"
01828 #if 0
01829     // Convert char* to _CharT in locale used to open catalog.
01830     // XXX need additional template parameter on messages class for this..
01831     // typedef typename codecvt<char, _CharT, _StateT> __codecvt_type;
01832     typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type;      
01833 
01834     __codecvt_type::state_type __state;
01835     // XXX may need to initialize state.
01836     //initialize_state(__state._M_init());
01837     
01838     char* __from_next;
01839     // XXX what size for this string?
01840     _CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1));
01841     const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv);
01842     __cvt.out(__state, __msg, __msg + __len, __from_next,
01843           __to, __to + __len + 1, __to_next);
01844     return string_type(__to);
01845 #endif
01846 #if 0
01847     typedef ctype<_CharT> __ctype_type;
01848     // const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg);
01849     const __ctype_type& __cvt = use_facet<__ctype_type>(locale());
01850     // XXX Again, proper length of converted string an issue here.
01851     // For now, assume the converted length is not larger.
01852     _CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1));
01853     __cvt.widen(__msg, __msg + __len, __dest);
01854     return basic_string<_CharT>(__dest);
01855 #endif
01856     return string_type();
01857       }
01858      };
01859 
01860   template<typename _CharT>
01861     locale::id messages<_CharT>::id;
01862 
01863   // Specializations for required instantiations.
01864   template<>
01865     string
01866     messages<char>::do_get(catalog, int, int, const string&) const;
01867 
01868 #ifdef _GLIBCPP_USE_WCHAR_T
01869   template<>
01870     wstring
01871     messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
01872 #endif
01873 
01874   template<typename _CharT>
01875     class messages_byname : public messages<_CharT>
01876     {
01877     public:
01878       typedef _CharT                char_type;
01879       typedef basic_string<_CharT>  string_type;
01880 
01881       explicit 
01882       messages_byname(const char* __s, size_t __refs = 0);
01883 
01884     protected:
01885       virtual 
01886       ~messages_byname() 
01887       { }
01888     };
01889 
01890   // Include host and configuration specific messages functions.
01891   #include <bits/messages_members.h>
01892 
01893 
01894   // Subclause convenience interfaces, inlines.
01895   // NB: These are inline because, when used in a loop, some compilers
01896   // can hoist the body out of the loop; then it's just as fast as the
01897   // C is*() function.
01898   template<typename _CharT>
01899     inline bool 
01900     isspace(_CharT __c, const locale& __loc)
01901     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }
01902 
01903   template<typename _CharT>
01904     inline bool 
01905     isprint(_CharT __c, const locale& __loc)
01906     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }
01907 
01908   template<typename _CharT>
01909     inline bool 
01910     iscntrl(_CharT __c, const locale& __loc)
01911     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }
01912 
01913   template<typename _CharT>
01914     inline bool 
01915     isupper(_CharT __c, const locale& __loc)
01916     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }
01917 
01918   template<typename _CharT>
01919     inline bool islower(_CharT __c, const locale& __loc)
01920     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }
01921 
01922   template<typename _CharT>
01923     inline bool 
01924     isalpha(_CharT __c, const locale& __loc)
01925     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }
01926 
01927   template<typename _CharT>
01928     inline bool 
01929     isdigit(_CharT __c, const locale& __loc)
01930     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }
01931 
01932   template<typename _CharT>
01933     inline bool 
01934     ispunct(_CharT __c, const locale& __loc)
01935     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }
01936 
01937   template<typename _CharT>
01938     inline bool 
01939     isxdigit(_CharT __c, const locale& __loc)
01940     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }
01941 
01942   template<typename _CharT>
01943     inline bool 
01944     isalnum(_CharT __c, const locale& __loc)
01945     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }
01946 
01947   template<typename _CharT>
01948     inline bool 
01949     isgraph(_CharT __c, const locale& __loc)
01950     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }
01951 
01952   template<typename _CharT>
01953     inline _CharT 
01954     toupper(_CharT __c, const locale& __loc)
01955     { return use_facet<ctype<_CharT> >(__loc).toupper(__c); }
01956 
01957   template<typename _CharT>
01958     inline _CharT 
01959     tolower(_CharT __c, const locale& __loc)
01960     { return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
01961 
01962   /**
01963    * @if maint
01964    * __locale_cache objects hold information extracted from facets in
01965    * a form optimized for parsing and formatting.  They are stored in
01966    * a locale's facet array and accessed via __use_cache<_Facet>.
01967    *
01968    * The intent twofold: to avoid the costs of creating a locale
01969    * object and to avoid calling the virtual functions in a locale's
01970    * facet to look up data.
01971    * @endif
01972    */
01973   class __locale_cache_base
01974   {
01975     friend class std::locale::_Impl;
01976     friend class locale;
01977 
01978   public:
01979     virtual
01980     ~__locale_cache_base() { }
01981 
01982   };
01983 
01984   // This template doesn't really get used for anything except a
01985   // placeholder for specializations
01986   template<typename _Facet>
01987     class __locale_cache : public __locale_cache_base
01988     {
01989       // ctor
01990       __locale_cache(const locale&) {}
01991     };
01992 
01993   template<typename _CharT>
01994     class __locale_cache<numpunct<_CharT> > : public __locale_cache_base
01995     {
01996       // Types:
01997       typedef _CharT                char_type;
01998       typedef char_traits<_CharT>       traits_type;
01999       typedef basic_string<_CharT>  string_type;
02000       
02001     public:
02002       // Data Members:
02003 
02004       // The sign used to separate decimal values: for standard US
02005       // locales, this would usually be: "."  Abstracted from
02006       // numpunct::decimal_point().
02007       _CharT                    _M_decimal_point;
02008 
02009       // The sign used to separate groups of digits into smaller
02010       // strings that the eye can parse with less difficulty: for
02011       // standard US locales, this would usually be: "," Abstracted
02012       // from numpunct::thousands_sep().
02013       _CharT                    _M_thousands_sep;
02014       
02015       // However the US's "false" and "true" are translated.  From
02016       // numpunct::truename() and numpunct::falsename(), respectively.
02017       const _CharT*     _M_truename;
02018       const _CharT*     _M_falsename;
02019 
02020       // If we are checking groupings. This should be equivalent to
02021       // numpunct::groupings().size() != 0
02022       bool                      _M_use_grouping;
02023 
02024       // If we are using numpunct's groupings, this is the current
02025       // grouping string in effect (from numpunct::grouping()).
02026       const char*               _M_grouping;
02027 
02028       // A list of valid numeric literals: for the standard "C"
02029       // locale, this is "-+xX0123456789abcdef0123456789ABCDEF".  This
02030       // array contains the chars after having been passed through the
02031       // current locale's ctype<_CharT>.widen().
02032 
02033       // Copied here from __locale_cache<ctype> to save multiple cache
02034       // access in num_put functions.
02035       _CharT                    _M_atoms_out[__num_base::_S_end];
02036 
02037       // ctor
02038       __locale_cache(const locale& __loc);
02039       __locale_cache(const locale& __loc, bool);
02040 
02041       ~__locale_cache()
02042       {
02043     delete [] _M_truename;
02044     delete [] _M_falsename;
02045     delete [] _M_grouping;
02046       }
02047     };
02048 } // namespace std
02049 
02050 #endif

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