libstdc++-v3/include/bits/locale_facets.h

   1 // Locale support -*- C++ -*-
   2
   3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 //
  32 // ISO C++ 14882: 22.1  Locales
  33 //
  34
  35 /** @file locale_facets.h
  36  *  This is an internal header file, included by other library headers.
  37  *  You should not attempt to use it directly.
  38  */
  39
  40 #ifndef _CPP_BITS_LOCFACETS_H
  41 #define _CPP_BITS_LOCFACETS_H   1
  42
  43 #pragma GCC system_header
  44
  45 #include <ctime>        // For struct tm
  46 #include <cwctype>      // For wctype_t
  47 #include <ios>          // For ios_base
  48
  49 namespace std
  50 {
  51   // NB: Don't instantiate required wchar_t facets if no wchar_t support.
  52 #ifdef _GLIBCPP_USE_WCHAR_T
  53 # define  _GLIBCPP_NUM_FACETS 28
  54 #else
  55 # define  _GLIBCPP_NUM_FACETS 14
  56 #endif
  57
  58   template<typename _CharT, typename _Traits>
  59     struct __pad;
  60
  61   // 22.2.1.1  Template class ctype
  62   // Include host and configuration specific ctype enums for ctype_base.
  63   #include <bits/ctype_base.h>
  64
  65   // Common base for ctype<_CharT>.
  66   template<typename _CharT>
  67     class __ctype_abstract_base : public locale::facet, public ctype_base
  68     {
  69     public:
  70       // Types:
  71       typedef _CharT char_type;
  72
  73       bool
  74       is(mask __m, char_type __c) const
  75       { return this->do_is(__m, __c); }
  76
  77       const char_type*
  78       is(const char_type *__lo, const char_type *__hi, mask *__vec) const
  79       { return this->do_is(__lo, __hi, __vec); }
  80
  81       const char_type*
  82       scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
  83       { return this->do_scan_is(__m, __lo, __hi); }
  84
  85       const char_type*
  86       scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
  87       { return this->do_scan_not(__m, __lo, __hi); }
  88
  89       char_type
  90       toupper(char_type __c) const
  91       { return this->do_toupper(__c); }
  92
  93       const char_type*
  94       toupper(char_type *__lo, const char_type* __hi) const
  95       { return this->do_toupper(__lo, __hi); }
  96
  97       char_type
  98       tolower(char_type __c) const
  99       { return this->do_tolower(__c); }
 100
 101       const char_type*
 102       tolower(char_type* __lo, const char_type* __hi) const
 103       { return this->do_tolower(__lo, __hi); }
 104
 105       char_type
 106       widen(char __c) const
 107       { return this->do_widen(__c); }
 108
 109       const char*
 110       widen(const char* __lo, const char* __hi, char_type* __to) const
 111       { return this->do_widen(__lo, __hi, __to); }
 112
 113       char
 114       narrow(char_type __c, char __dfault) const
 115       { return this->do_narrow(__c, __dfault); }
 116
 117       const char_type*
 118       narrow(const char_type* __lo, const char_type* __hi,
 119               char __dfault, char *__to) const
 120       { return this->do_narrow(__lo, __hi, __dfault, __to); }
 121
 122     protected:
 123       explicit
 124       __ctype_abstract_base(size_t __refs = 0): locale::facet(__refs) { }
 125
 126       virtual
 127       ~__ctype_abstract_base() { }
 128
 129       virtual bool
 130       do_is(mask __m, char_type __c) const = 0;
 131
 132       virtual const char_type*
 133       do_is(const char_type* __lo, const char_type* __hi,
 134             mask* __vec) const = 0;
 135
 136       virtual const char_type*
 137       do_scan_is(mask __m, const char_type* __lo,
 138                  const char_type* __hi) const = 0;
 139
 140       virtual const char_type*
 141       do_scan_not(mask __m, const char_type* __lo,
 142                   const char_type* __hi) const = 0;
 143
 144       virtual char_type
 145       do_toupper(char_type) const = 0;
 146
 147       virtual const char_type*
 148       do_toupper(char_type* __lo, const char_type* __hi) const = 0;
 149
 150       virtual char_type
 151       do_tolower(char_type) const = 0;
 152
 153       virtual const char_type*
 154       do_tolower(char_type* __lo, const char_type* __hi) const = 0;
 155
 156       virtual char_type
 157       do_widen(char) const = 0;
 158
 159       virtual const char*
 160       do_widen(const char* __lo, const char* __hi,
 161                char_type* __dest) const = 0;
 162
 163       virtual char
 164       do_narrow(char_type, char __dfault) const = 0;
 165
 166       virtual const char_type*
 167       do_narrow(const char_type* __lo, const char_type* __hi,
 168                  char __dfault, char* __dest) const = 0;
 169     };
 170
 171   // NB: Generic, mostly useless implementation.
 172   template<typename _CharT>
 173     class ctype : public __ctype_abstract_base<_CharT>
 174     {
 175     public:
 176       // Types:
 177       typedef _CharT                    char_type;
 178       typedef typename ctype::mask      mask;
 179
 180       static locale::id                 id;
 181
 182       explicit
 183       ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { }
 184
 185    protected:
 186       virtual
 187       ~ctype();
 188
 189       virtual bool
 190       do_is(mask __m, char_type __c) const;
 191
 192       virtual const char_type*
 193       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
 194
 195       virtual const char_type*
 196       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
 197
 198       virtual const char_type*
 199       do_scan_not(mask __m, const char_type* __lo,
 200                   const char_type* __hi) const;
 201
 202       virtual char_type
 203       do_toupper(char_type __c) const;
 204
 205       virtual const char_type*
 206       do_toupper(char_type* __lo, const char_type* __hi) const;
 207
 208       virtual char_type
 209       do_tolower(char_type __c) const;
 210
 211       virtual const char_type*
 212       do_tolower(char_type* __lo, const char_type* __hi) const;
 213
 214       virtual char_type
 215       do_widen(char __c) const;
 216
 217       virtual const char*
 218       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
 219
 220       virtual char
 221       do_narrow(char_type, char __dfault) const;
 222
 223       virtual const char_type*
 224       do_narrow(const char_type* __lo, const char_type* __hi,
 225                 char __dfault, char* __dest) const;
 226     };
 227
 228   template<typename _CharT>
 229     locale::id ctype<_CharT>::id;
 230
 231   // 22.2.1.3  ctype<char> specialization.
 232   template<>
 233     class ctype<char> : public __ctype_abstract_base<char>
 234     {
 235     public:
 236       // Types:
 237       typedef char              char_type;
 238
 239     protected:
 240       // Data Members:
 241       __c_locale                _M_c_locale_ctype;
 242       bool                      _M_del;
 243       __to_type                 _M_toupper;
 244       __to_type                 _M_tolower;
 245       const mask*               _M_table;
 246
 247     public:
 248       static locale::id        id;
 249       static const size_t      table_size = 1 + static_cast<unsigned char>(-1);
 250
 251       explicit
 252       ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0);
 253
 254       explicit
 255       ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false,
 256             size_t __refs = 0);
 257
 258       inline bool
 259       is(mask __m, char __c) const;
 260
 261       inline const char*
 262       is(const char* __lo, const char* __hi, mask* __vec) const;
 263
 264       inline const char*
 265       scan_is(mask __m, const char* __lo, const char* __hi) const;
 266
 267       inline const char*
 268       scan_not(mask __m, const char* __lo, const char* __hi) const;
 269
 270     protected:
 271       const mask*
 272       table() const throw()
 273       { return _M_table; }
 274
 275       static const mask*
 276       classic_table() throw();
 277
 278       virtual
 279       ~ctype();
 280
 281       virtual bool
 282       do_is(mask __m, char_type __c) const;
 283
 284       virtual const char_type*
 285       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
 286
 287       virtual const char_type*
 288       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
 289
 290       virtual const char_type*
 291       do_scan_not(mask __m, const char_type* __lo,
 292                   const char_type* __hi) const;
 293
 294       virtual char_type
 295       do_toupper(char_type) const;
 296
 297       virtual const char_type*
 298       do_toupper(char_type* __lo, const char_type* __hi) const;
 299
 300       virtual char_type
 301       do_tolower(char_type) const;
 302
 303       virtual const char_type*
 304       do_tolower(char_type* __lo, const char_type* __hi) const;
 305
 306       virtual char_type
 307       do_widen(char) const;
 308
 309       virtual const char*
 310       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
 311
 312       virtual char
 313       do_narrow(char_type, char __dfault) const;
 314
 315       virtual const char_type*
 316       do_narrow(const char_type* __lo, const char_type* __hi,
 317                 char __dfault, char* __dest) const;
 318     };
 319
 320   template<>
 321     const ctype<char>&
 322     use_facet<ctype<char> >(const locale& __loc);
 323
 324 #ifdef _GLIBCPP_USE_WCHAR_T
 325   // 22.2.1.3  ctype<wchar_t> specialization
 326   template<>
 327     class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
 328     {
 329     public:
 330       // Types:
 331       typedef wchar_t           char_type;
 332       typedef wctype_t          __wmask_type;
 333
 334     protected:
 335       __c_locale                _M_c_locale_ctype;
 336
 337     public:
 338       // Data Members:
 339       static locale::id         id;
 340
 341       explicit
 342       ctype(size_t __refs = 0);
 343
 344       explicit
 345       ctype(__c_locale __cloc, size_t __refs = 0);
 346
 347     protected:
 348       __wmask_type
 349       _M_convert_to_wmask(const mask __m) const;
 350
 351       virtual
 352       ~ctype();
 353
 354       virtual bool
 355       do_is(mask __m, char_type __c) const;
 356
 357       virtual const char_type*
 358       do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
 359
 360       virtual const char_type*
 361       do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
 362
 363       virtual const char_type*
 364       do_scan_not(mask __m, const char_type* __lo,
 365                   const char_type* __hi) const;
 366
 367       virtual char_type
 368       do_toupper(char_type) const;
 369
 370       virtual const char_type*
 371       do_toupper(char_type* __lo, const char_type* __hi) const;
 372
 373       virtual char_type
 374       do_tolower(char_type) const;
 375
 376       virtual const char_type*
 377       do_tolower(char_type* __lo, const char_type* __hi) const;
 378
 379       virtual char_type
 380       do_widen(char) const;
 381
 382       virtual const char*
 383       do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
 384
 385       virtual char
 386       do_narrow(char_type, char __dfault) const;
 387
 388       virtual const char_type*
 389       do_narrow(const char_type* __lo, const char_type* __hi,
 390                 char __dfault, char* __dest) const;
 391
 392     };
 393
 394   template<>
 395     const ctype<wchar_t>&
 396     use_facet<ctype<wchar_t> >(const locale& __loc);
 397 #endif //_GLIBCPP_USE_WCHAR_T
 398
 399   // Include host and configuration specific ctype inlines.
 400   #include <bits/ctype_inline.h>
 401
 402   // 22.2.1.2  Template class ctype_byname
 403   template<typename _CharT>
 404     class ctype_byname : public ctype<_CharT>
 405     {
 406     public:
 407       typedef _CharT            char_type;
 408
 409       explicit
 410       ctype_byname(const char* __s, size_t __refs = 0);
 411
 412     protected:
 413       virtual
 414       ~ctype_byname() { };
 415     };
 416
 417   // 22.2.1.4  Class ctype_byname specializations.
 418   template<>
 419     ctype_byname<char>::ctype_byname(const char*, size_t refs);
 420
 421   template<>
 422     ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs);
 423
 424   // 22.2.1.5  Template class codecvt
 425   #include <bits/codecvt.h>
 426
 427
 428   // 22.2.2  The numeric category.
 429   class __num_base
 430   {
 431   protected:
 432     // String literal of acceptable (narrow) input, for num_get.
 433     // "0123456789eEabcdfABCDF"
 434     static const char _S_atoms[];
 435
 436     enum
 437     {
 438       _M_zero,
 439       _M_e = _M_zero + 10,
 440       _M_E = _M_zero + 11,
 441       _M_size = 21 + 1
 442     };
 443
 444     // num_put
 445     // Construct and return valid scanf format for floating point types.
 446     static bool
 447     _S_format_float(const ios_base& __io, char* __fptr, char __mod,
 448                     streamsize __prec);
 449
 450     // Construct and return valid scanf format for integer types.
 451     static void
 452     _S_format_int(const ios_base& __io, char* __fptr, char __mod, char __modl);
 453   };
 454
 455
 456   template<typename _CharT>
 457     class numpunct : public locale::facet
 458     {
 459     public:
 460       // Types:
 461       typedef _CharT                    char_type;
 462       typedef basic_string<_CharT>      string_type;
 463
 464       static locale::id                 id;
 465
 466     private:
 467       char_type                         _M_decimal_point;
 468       char_type                         _M_thousands_sep;
 469       const char*                       _M_grouping;
 470       const char_type*                  _M_truename;
 471       const char_type*                  _M_falsename;
 472
 473     public:
 474       explicit
 475       numpunct(size_t __refs = 0) : locale::facet(__refs)
 476       { _M_initialize_numpunct(); }
 477
 478       explicit
 479       numpunct(__c_locale __cloc, size_t __refs = 0) : locale::facet(__refs)
 480       { _M_initialize_numpunct(__cloc); }
 481
 482       char_type
 483       decimal_point() const
 484       { return this->do_decimal_point(); }
 485
 486       char_type
 487       thousands_sep() const
 488       { return this->do_thousands_sep(); }
 489
 490       string
 491       grouping() const
 492       { return this->do_grouping(); }
 493
 494       string_type
 495       truename() const
 496       { return this->do_truename(); }
 497
 498       string_type
 499       falsename() const
 500       { return this->do_falsename(); }
 501
 502     protected:
 503       virtual
 504       ~numpunct();
 505
 506       virtual char_type
 507       do_decimal_point() const
 508       { return _M_decimal_point; }
 509
 510       virtual char_type
 511       do_thousands_sep() const
 512       { return _M_thousands_sep; }
 513
 514       virtual string
 515       do_grouping() const
 516       { return _M_grouping; }
 517
 518       virtual string_type
 519       do_truename() const
 520       { return _M_truename; }
 521
 522       virtual string_type
 523       do_falsename() const
 524       { return _M_falsename; }
 525
 526       // For use at construction time only.
 527       void
 528       _M_initialize_numpunct(__c_locale __cloc = NULL);
 529     };
 530
 531   template<typename _CharT>
 532     locale::id numpunct<_CharT>::id;
 533
 534   template<>
 535     numpunct<char>::~numpunct();
 536
 537   template<>
 538     void
 539     numpunct<char>::_M_initialize_numpunct(__c_locale __cloc);
 540
 541 #ifdef _GLIBCPP_USE_WCHAR_T
 542   template<>
 543     numpunct<wchar_t>::~numpunct();
 544
 545   template<>
 546     void
 547     numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc);
 548 #endif
 549
 550   template<typename _CharT>
 551     class numpunct_byname : public numpunct<_CharT>
 552     {
 553       // Data Member.
 554       __c_locale                        _M_c_locale_numpunct;
 555
 556     public:
 557       typedef _CharT                    char_type;
 558       typedef basic_string<_CharT>      string_type;
 559
 560       explicit
 561       numpunct_byname(const char* __s, size_t __refs = 0)
 562       : numpunct<_CharT>(__refs)
 563       {
 564         _S_create_c_locale(_M_c_locale_numpunct, __s);
 565         _M_initialize_numpunct(_M_c_locale_numpunct);
 566       }
 567
 568     protected:
 569       virtual
 570       ~numpunct_byname()
 571       { _S_destroy_c_locale(_M_c_locale_numpunct); }
 572     };
 573
 574   template<typename _CharT, typename _InIter>
 575     class num_get : public locale::facet, public __num_base
 576     {
 577     public:
 578       // Types:
 579       typedef _CharT                    char_type;
 580       typedef _InIter                   iter_type;
 581
 582       static locale::id                 id;
 583
 584       explicit
 585       num_get(size_t __refs = 0) : locale::facet(__refs) { }
 586
 587       iter_type
 588       get(iter_type __in, iter_type __end, ios_base& __io,
 589           ios_base::iostate& __err, bool& __v) const
 590       { return this->do_get(__in, __end, __io, __err, __v); }
 591
 592       iter_type
 593       get(iter_type __in, iter_type __end, ios_base& __io,
 594           ios_base::iostate& __err, long& __v) const
 595       { return this->do_get(__in, __end, __io, __err, __v); }
 596
 597       iter_type
 598       get(iter_type __in, iter_type __end, ios_base& __io,
 599           ios_base::iostate& __err, unsigned short& __v) const
 600       { return this->do_get(__in, __end, __io, __err, __v); }
 601
 602       iter_type
 603       get(iter_type __in, iter_type __end, ios_base& __io,
 604           ios_base::iostate& __err, unsigned int& __v)   const
 605       { return this->do_get(__in, __end, __io, __err, __v); }
 606
 607       iter_type
 608       get(iter_type __in, iter_type __end, ios_base& __io,
 609           ios_base::iostate& __err, unsigned long& __v)  const
 610       { return this->do_get(__in, __end, __io, __err, __v); }
 611
 612 #ifdef _GLIBCPP_USE_LONG_LONG
 613       iter_type
 614       get(iter_type __in, iter_type __end, ios_base& __io,
 615           ios_base::iostate& __err, long long& __v) const
 616       { return this->do_get(__in, __end, __io, __err, __v); }
 617
 618       iter_type
 619       get(iter_type __in, iter_type __end, ios_base& __io,
 620           ios_base::iostate& __err, unsigned long long& __v)  const
 621       { return this->do_get(__in, __end, __io, __err, __v); }
 622 #endif
 623
 624       iter_type
 625       get(iter_type __in, iter_type __end, ios_base& __io,
 626           ios_base::iostate& __err, float& __v) const
 627       { return this->do_get(__in, __end, __io, __err, __v); }
 628
 629       iter_type
 630       get(iter_type __in, iter_type __end, ios_base& __io,
 631           ios_base::iostate& __err, double& __v) const
 632       { return this->do_get(__in, __end, __io, __err, __v); }
 633
 634       iter_type
 635       get(iter_type __in, iter_type __end, ios_base& __io,
 636           ios_base::iostate& __err, long double& __v) const
 637       { return this->do_get(__in, __end, __io, __err, __v); }
 638
 639       iter_type
 640       get(iter_type __in, iter_type __end, ios_base& __io,
 641           ios_base::iostate& __err, void*& __v) const
 642       { return this->do_get(__in, __end, __io, __err, __v); }
 643
 644     protected:
 645       virtual ~num_get() { }
 646
 647       iter_type
 648       _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
 649                        string& __xtrc) const;
 650
 651       iter_type
 652       _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
 653                      string& __xtrc, int& __base) const;
 654
 655       virtual iter_type
 656       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
 657
 658
 659       virtual iter_type
 660       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const;
 661
 662       virtual iter_type
 663       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 664               unsigned short&) const;
 665
 666       virtual iter_type
 667       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 668              unsigned int&) const;
 669
 670       virtual iter_type
 671       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 672              unsigned long&) const;
 673
 674 #ifdef _GLIBCPP_USE_LONG_LONG
 675       virtual iter_type
 676       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 677              long long&) const;
 678
 679       virtual iter_type
 680       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 681              unsigned long long&) const;
 682 #endif
 683
 684       virtual iter_type
 685       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 686              float&) const;
 687
 688       virtual iter_type
 689       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 690              double&) const;
 691
 692       virtual iter_type
 693       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 694              long double&) const;
 695
 696       virtual iter_type
 697       do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
 698              void*&) const;
 699     };
 700
 701   template<typename _CharT, typename _InIter>
 702     locale::id num_get<_CharT, _InIter>::id;
 703
 704 #if 0
 705   // Partial specialization for istreambuf_iterator, so can use traits_type.
 706   template<typename _CharT>
 707     class num_get<_CharT, istreambuf_iterator<_CharT> >;
 708
 709       iter_type
 710       _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
 711                        string& __xtrc) const;
 712
 713       iter_type
 714       _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
 715                      string& __xtrc, int& __base) const;
 716
 717       virtual iter_type
 718       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
 719 #endif
 720
 721   template<typename _CharT, typename _OutIter>
 722     class num_put : public locale::facet, public __num_base
 723     {
 724     public:
 725       // Types:
 726       typedef _CharT            char_type;
 727       typedef _OutIter          iter_type;
 728
 729       static locale::id         id;
 730
 731       explicit
 732       num_put(size_t __refs = 0) : locale::facet(__refs) { }
 733
 734       iter_type
 735       put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const
 736       { return this->do_put(__s, __f, __fill, __v); }
 737
 738       iter_type
 739       put(iter_type __s, ios_base& __f, char_type __fill, long __v) const
 740       { return this->do_put(__s, __f, __fill, __v); }
 741
 742       iter_type
 743       put(iter_type __s, ios_base& __f, char_type __fill,
 744           unsigned long __v) const
 745       { return this->do_put(__s, __f, __fill, __v); }
 746
 747 #ifdef _GLIBCPP_USE_LONG_LONG
 748       iter_type
 749       put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const
 750       { return this->do_put(__s, __f, __fill, __v); }
 751
 752       iter_type
 753       put(iter_type __s, ios_base& __f, char_type __fill,
 754           unsigned long long __v) const
 755       { return this->do_put(__s, __f, __fill, __v); }
 756 #endif
 757
 758       iter_type
 759       put(iter_type __s, ios_base& __f, char_type __fill, double __v) const
 760       { return this->do_put(__s, __f, __fill, __v); }
 761
 762       iter_type
 763       put(iter_type __s, ios_base& __f, char_type __fill,
 764           long double __v) const
 765       { return this->do_put(__s, __f, __fill, __v); }
 766
 767       iter_type
 768       put(iter_type __s, ios_base& __f, char_type __fill,
 769           const void* __v) const
 770       { return this->do_put(__s, __f, __fill, __v); }
 771
 772     protected:
 773       template<typename _ValueT>
 774         iter_type
 775         _M_convert_float(iter_type, ios_base& __io, char_type __fill,
 776                          char __mod, _ValueT __v) const;
 777
 778       template<typename _ValueT>
 779         iter_type
 780         _M_convert_int(iter_type, ios_base& __io, char_type __fill,
 781                        char __mod, char __modl, _ValueT __v) const;
 782
 783       iter_type
 784       _M_widen_float(iter_type, ios_base& __io, char_type __fill, char* __cs,
 785                      int __len) const;
 786
 787       iter_type
 788       _M_widen_int(iter_type, ios_base& __io, char_type __fill, char* __cs,
 789                    int __len) const;
 790
 791       iter_type
 792       _M_insert(iter_type, ios_base& __io, char_type __fill,
 793                 const char_type* __ws, int __len) const;
 794
 795       virtual
 796       ~num_put() { };
 797
 798       virtual iter_type
 799       do_put(iter_type, ios_base&, char_type __fill, bool __v) const;
 800
 801       virtual iter_type
 802       do_put(iter_type, ios_base&, char_type __fill, long __v) const;
 803
 804       virtual iter_type
 805       do_put(iter_type, ios_base&, char_type __fill, unsigned long) const;
 806
 807 #ifdef _GLIBCPP_USE_LONG_LONG
 808       virtual iter_type
 809       do_put(iter_type, ios_base&, char_type __fill, long long __v) const;
 810
 811       virtual iter_type
 812       do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const;
 813 #endif
 814
 815       virtual iter_type
 816       do_put(iter_type, ios_base&, char_type __fill, double __v) const;
 817
 818       virtual iter_type
 819       do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
 820
 821       virtual iter_type
 822       do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
 823     };
 824
 825   template <typename _CharT, typename _OutIter>
 826     locale::id num_put<_CharT, _OutIter>::id;
 827
 828
 829   template<typename _CharT>
 830     class collate : public locale::facet
 831     {
 832     public:
 833       // Types:
 834       typedef _CharT                    char_type;
 835       typedef basic_string<_CharT>      string_type;
 836
 837     protected:
 838       // Underlying "C" library locale information saved from
 839       // initialization, needed by collate_byname as well.
 840       __c_locale                        _M_c_locale_collate;
 841
 842     public:
 843       static locale::id                 id;
 844
 845       explicit
 846       collate(size_t __refs = 0)
 847       : locale::facet(__refs)
 848       { _M_c_locale_collate = _S_c_locale; }
 849
 850       explicit
 851       collate(__c_locale __cloc, size_t __refs = 0)
 852       : locale::facet(__refs)
 853       { _M_c_locale_collate = _S_clone_c_locale(__cloc); }
 854
 855       int
 856       compare(const _CharT* __lo1, const _CharT* __hi1,
 857               const _CharT* __lo2, const _CharT* __hi2) const
 858       { return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
 859
 860       string_type
 861       transform(const _CharT* __lo, const _CharT* __hi) const
 862       { return this->do_transform(__lo, __hi); }
 863
 864       long
 865       hash(const _CharT* __lo, const _CharT* __hi) const
 866       { return this->do_hash(__lo, __hi); }
 867
 868       // Used to abstract out _CharT bits in virtual member functions, below.
 869       int
 870       _M_compare(const _CharT*, const _CharT*) const;
 871
 872       size_t
 873       _M_transform(_CharT*, const _CharT*, size_t) const;
 874
 875   protected:
 876       virtual
 877       ~collate()
 878       { _S_destroy_c_locale(_M_c_locale_collate); }
 879
 880       virtual int
 881       do_compare(const _CharT* __lo1, const _CharT* __hi1,
 882                  const _CharT* __lo2, const _CharT* __hi2) const;
 883
 884       virtual string_type
 885       do_transform(const _CharT* __lo, const _CharT* __hi) const;
 886
 887       virtual long
 888       do_hash(const _CharT* __lo, const _CharT* __hi) const;
 889     };
 890
 891   template<typename _CharT>
 892     locale::id collate<_CharT>::id;
 893
 894   // Specializations.
 895   template<>
 896     int
 897     collate<char>::_M_compare(const char*, const char*) const;
 898
 899   template<>
 900     size_t
 901     collate<char>::_M_transform(char*, const char*, size_t) const;
 902
 903 #ifdef _GLIBCPP_USE_WCHAR_T
 904   template<>
 905     int
 906     collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const;
 907
 908   template<>
 909     size_t
 910     collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const;
 911 #endif
 912
 913   template<typename _CharT>
 914     class collate_byname : public collate<_CharT>
 915     {
 916     public:
 917       typedef _CharT               char_type;
 918       typedef basic_string<_CharT> string_type;
 919
 920       explicit
 921       collate_byname(const char* __s, size_t __refs = 0)
 922       : collate<_CharT>(__refs)
 923       {
 924         _S_destroy_c_locale(_M_c_locale_collate);
 925         _S_create_c_locale(_M_c_locale_collate, __s);
 926       }
 927
 928     protected:
 929       virtual
 930       ~collate_byname() { }
 931     };
 932
 933
 934   class time_base
 935   {
 936   public:
 937     enum dateorder { no_order, dmy, mdy, ymd, ydm };
 938   };
 939
 940   template<typename _CharT>
 941     class __timepunct : public locale::facet
 942     {
 943     public:
 944       // Types:
 945       typedef _CharT                    __char_type;
 946       typedef basic_string<_CharT>      __string_type;
 947
 948       static locale::id                 id;
 949
 950       // List of all known timezones, with GMT first.
 951       static const _CharT*              _S_timezones[14];
 952
 953     protected:
 954       __c_locale                        _M_c_locale_timepunct;
 955       const char*                       _M_name_timepunct;
 956       const _CharT*                     _M_date_format;
 957       const _CharT*                     _M_date_era_format;
 958       const _CharT*                     _M_time_format;
 959       const _CharT*                     _M_time_era_format;
 960       const _CharT*                     _M_date_time_format;
 961       const _CharT*                     _M_date_time_era_format;
 962       const _CharT*                     _M_am;
 963       const _CharT*                     _M_pm;
 964       const _CharT*                     _M_am_pm_format;
 965
 966       // Day names, starting with "C"'s Sunday.
 967       const _CharT*                     _M_day1;
 968       const _CharT*                     _M_day2;
 969       const _CharT*                     _M_day3;
 970       const _CharT*                     _M_day4;
 971       const _CharT*                     _M_day5;
 972       const _CharT*                     _M_day6;
 973       const _CharT*                     _M_day7;
 974
 975       // Abbreviated day names, starting with "C"'s Sun.
 976       const _CharT*                     _M_day_a1;
 977       const _CharT*                     _M_day_a2;
 978       const _CharT*                     _M_day_a3;
 979       const _CharT*                     _M_day_a4;
 980       const _CharT*                     _M_day_a5;
 981       const _CharT*                     _M_day_a6;
 982       const _CharT*                     _M_day_a7;
 983
 984       // Month names, starting with "C"'s January.
 985       const _CharT*                     _M_month01;
 986       const _CharT*                     _M_month02;
 987       const _CharT*                     _M_month03;
 988       const _CharT*                     _M_month04;
 989       const _CharT*                     _M_month05;
 990       const _CharT*                     _M_month06;
 991       const _CharT*                     _M_month07;
 992       const _CharT*                     _M_month08;
 993       const _CharT*                     _M_month09;
 994       const _CharT*                     _M_month10;
 995       const _CharT*                     _M_month11;
 996       const _CharT*                     _M_month12;
 997
 998       // Abbreviated month names, starting with "C"'s Jan.
 999       const _CharT*                     _M_month_a01;
1000       const _CharT*                     _M_month_a02;
1001       const _CharT*                     _M_month_a03;
1002       const _CharT*                     _M_month_a04;
1003       const _CharT*                     _M_month_a05;
1004       const _CharT*                     _M_month_a06;
1005       const _CharT*                     _M_month_a07;
1006       const _CharT*                     _M_month_a08;
1007       const _CharT*                     _M_month_a09;
1008       const _CharT*                     _M_month_a10;
1009       const _CharT*                     _M_month_a11;
1010       const _CharT*                     _M_month_a12;
1011
1012     public:
1013       explicit
1014       __timepunct(size_t __refs = 0)
1015       : locale::facet(__refs), _M_name_timepunct("C")
1016       { _M_initialize_timepunct(); }
1017
1018       explicit
1019       __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
1020       : locale::facet(__refs), _M_name_timepunct(__s)
1021       { _M_initialize_timepunct(__cloc); }
1022
1023       void
1024       _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format,
1025              const tm* __tm) const;
1026
1027       void
1028       _M_date_formats(const _CharT** __date) const
1029       {
1030         // Always have default first.
1031         __date[0] = _M_date_format;
1032         __date[1] = _M_date_era_format;
1033       }
1034
1035       void
1036       _M_time_formats(const _CharT** __time) const
1037       {
1038         // Always have default first.
1039         __time[0] = _M_time_format;
1040         __time[1] = _M_time_era_format;
1041       }
1042
1043       void
1044       _M_ampm(const _CharT** __ampm) const
1045       {
1046         __ampm[0] = _M_am;
1047         __ampm[1] = _M_pm;
1048       }
1049
1050       void
1051       _M_date_time_formats(const _CharT** __dt) const
1052       {
1053         // Always have default first.
1054         __dt[0] = _M_date_time_format;
1055         __dt[1] = _M_date_time_era_format;
1056       }
1057
1058       void
1059       _M_days(const _CharT** __days) const
1060       {
1061         __days[0] = _M_day1;
1062         __days[1] = _M_day2;
1063         __days[2] = _M_day3;
1064         __days[3] = _M_day4;
1065         __days[4] = _M_day5;
1066         __days[5] = _M_day6;
1067         __days[6] = _M_day7;
1068       }
1069
1070       void
1071       _M_days_abbreviated(const _CharT** __days) const
1072       {
1073         __days[0] = _M_day_a1;
1074         __days[1] = _M_day_a2;
1075         __days[2] = _M_day_a3;
1076         __days[3] = _M_day_a4;
1077         __days[4] = _M_day_a5;
1078         __days[5] = _M_day_a6;
1079         __days[6] = _M_day_a7;
1080       }
1081
1082       void
1083       _M_months(const _CharT** __months) const
1084       {
1085         __months[0] = _M_month01;
1086         __months[1] = _M_month02;
1087         __months[2] = _M_month03;
1088         __months[3] = _M_month04;
1089         __months[4] = _M_month05;
1090         __months[5] = _M_month06;
1091         __months[6] = _M_month07;
1092         __months[7] = _M_month08;
1093         __months[8] = _M_month09;
1094         __months[9] = _M_month10;
1095         __months[10] = _M_month11;
1096         __months[11] = _M_month12;
1097       }
1098
1099       void
1100       _M_months_abbreviated(const _CharT** __months) const
1101       {
1102         __months[0] = _M_month_a01;
1103         __months[1] = _M_month_a02;
1104         __months[2] = _M_month_a03;
1105         __months[3] = _M_month_a04;
1106         __months[4] = _M_month_a05;
1107         __months[5] = _M_month_a06;
1108         __months[6] = _M_month_a07;
1109         __months[7] = _M_month_a08;
1110         __months[8] = _M_month_a09;
1111         __months[9] = _M_month_a10;
1112         __months[10] = _M_month_a11;
1113         __months[11] = _M_month_a12;
1114       }
1115
1116     protected:
1117       virtual
1118       ~__timepunct();
1119
1120       // For use at construction time only.
1121       void
1122       _M_initialize_timepunct(__c_locale __cloc = NULL);
1123     };
1124
1125   template<typename _CharT>
1126     locale::id __timepunct<_CharT>::id;
1127
1128   // Specializations.
1129   template<>
1130     __timepunct<char>::~__timepunct();
1131
1132   template<>
1133     const char*
1134     __timepunct<char>::_S_timezones[14];
1135
1136   template<>
1137     void
1138     __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
1139
1140   template<>
1141     void
1142     __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const;
1143
1144 #ifdef _GLIBCPP_USE_WCHAR_T
1145   template<>
1146     __timepunct<wchar_t>::~__timepunct();
1147
1148   template<>
1149     const wchar_t*
1150     __timepunct<wchar_t>::_S_timezones[14];
1151
1152   template<>
1153     void
1154     __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
1155
1156   template<>
1157     void
1158     __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*,
1159                                  const tm*) const;
1160 #endif
1161
1162   // Generic.
1163   template<typename _CharT>
1164     const _CharT* __timepunct<_CharT>::_S_timezones[14];
1165
1166
1167   template<typename _CharT, typename _InIter>
1168     class time_get : public locale::facet, public time_base
1169     {
1170     public:
1171       // Types:
1172       typedef _CharT                    char_type;
1173       typedef _InIter                   iter_type;
1174       typedef basic_string<_CharT>      __string_type;
1175
1176       static locale::id                 id;
1177
1178       explicit
1179       time_get(size_t __refs = 0)
1180       : locale::facet (__refs) { }
1181
1182       dateorder
1183       date_order()  const
1184       { return this->do_date_order(); }
1185
1186       iter_type
1187       get_time(iter_type __beg, iter_type __end, ios_base& __io,
1188                ios_base::iostate& __err, tm* __tm)  const
1189       { return this->do_get_time(__beg, __end, __io, __err, __tm); }
1190
1191       iter_type
1192       get_date(iter_type __beg, iter_type __end, ios_base& __io,
1193                ios_base::iostate& __err, tm* __tm)  const
1194       { return this->do_get_date(__beg, __end, __io, __err, __tm); }
1195
1196       iter_type
1197       get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
1198                   ios_base::iostate& __err, tm* __tm) const
1199       { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
1200
1201       iter_type
1202       get_monthname(iter_type __beg, iter_type __end, ios_base& __io,
1203                     ios_base::iostate& __err, tm* __tm) const
1204       { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
1205
1206       iter_type
1207       get_year(iter_type __beg, iter_type __end, ios_base& __io,
1208                ios_base::iostate& __err, tm* __tm) const
1209       { return this->do_get_year(__beg, __end, __io, __err, __tm); }
1210
1211     protected:
1212       virtual
1213       ~time_get() { }
1214
1215       virtual dateorder
1216       do_date_order() const;
1217
1218       virtual iter_type
1219       do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
1220                   ios_base::iostate& __err, tm* __tm) const;
1221
1222       virtual iter_type
1223       do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
1224                   ios_base::iostate& __err, tm* __tm) const;
1225
1226       virtual iter_type
1227       do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
1228                      ios_base::iostate& __err, tm* __tm) const;
1229
1230       virtual iter_type
1231       do_get_monthname(iter_type __beg, iter_type __end, ios_base&,
1232                        ios_base::iostate& __err, tm* __tm) const;
1233
1234       virtual iter_type
1235       do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
1236                   ios_base::iostate& __err, tm* __tm) const;
1237
1238       // Extract numeric component of length __len.
1239       void
1240       _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
1241                      int __min, int __max, size_t __len,
1242                      const ctype<_CharT>& __ctype,
1243                      ios_base::iostate& __err) const;
1244
1245       // Extract day or month name, or any unique array of string
1246       // literals in a const _CharT* array.
1247       void
1248       _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
1249                       const _CharT** __names, size_t __indexlen,
1250                       ios_base::iostate& __err) const;
1251
1252       // Extract on a component-by-component basis, via __format argument.
1253       void
1254       _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
1255                             ios_base::iostate& __err, tm* __tm,
1256                             const _CharT* __format) const;
1257     };
1258
1259   template<typename _CharT, typename _InIter>
1260     locale::id time_get<_CharT, _InIter>::id;
1261
1262   template<typename _CharT, typename _InIter>
1263     class time_get_byname : public time_get<_CharT, _InIter>
1264     {
1265     public:
1266       // Types:
1267       typedef _CharT                    char_type;
1268       typedef _InIter                   iter_type;
1269
1270       explicit
1271       time_get_byname(const char*, size_t __refs = 0)
1272       : time_get<_CharT, _InIter>(__refs) { }
1273
1274     protected:
1275       virtual
1276       ~time_get_byname() { }
1277     };
1278
1279   template<typename _CharT, typename _OutIter>
1280     class time_put : public locale::facet, public time_base
1281     {
1282     public:
1283       // Types:
1284       typedef _CharT                    char_type;
1285       typedef _OutIter                  iter_type;
1286
1287       static locale::id                 id;
1288
1289       explicit
1290       time_put(size_t __refs = 0)
1291       : locale::facet(__refs) { }
1292
1293       iter_type
1294       put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1295           const _CharT* __beg, const _CharT* __end) const;
1296
1297       iter_type
1298       put(iter_type __s, ios_base& __io, char_type __fill,
1299           const tm* __tm, char __format, char __mod = 0) const
1300       { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
1301
1302     protected:
1303       virtual
1304       ~time_put()
1305       { }
1306
1307       virtual iter_type
1308       do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1309              char __format, char __mod) const;
1310     };
1311
1312   template<typename _CharT, typename _OutIter>
1313     locale::id time_put<_CharT, _OutIter>::id;
1314
1315   template<typename _CharT, typename _OutIter>
1316     class time_put_byname : public time_put<_CharT, _OutIter>
1317     {
1318     public:
1319       // Types:
1320       typedef _CharT                    char_type;
1321       typedef _OutIter                  iter_type;
1322
1323       explicit
1324       time_put_byname(const char* /*__s*/, size_t __refs = 0)
1325       : time_put<_CharT, _OutIter>(__refs)
1326       { };
1327
1328     protected:
1329       virtual
1330       ~time_put_byname() { }
1331     };
1332
1333
1334   class money_base
1335   {
1336   public:
1337     enum part { none, space, symbol, sign, value };
1338     struct pattern { char field[4]; };
1339
1340     static const pattern _S_default_pattern;
1341
1342     // Construct and return valid pattern consisting of some combination of:
1343     // space none symbol sign value
1344     static pattern
1345     _S_construct_pattern(char __precedes, char __space, char __posn);
1346   };
1347
1348   template<typename _CharT, bool _Intl>
1349     class moneypunct : public locale::facet, public money_base
1350     {
1351     public:
1352       // Types:
1353       typedef _CharT                    char_type;
1354       typedef basic_string<_CharT>      string_type;
1355
1356       static const bool                 intl = _Intl;
1357       static locale::id                 id;
1358
1359     private:
1360       const char*                       _M_grouping;
1361       char_type                         _M_decimal_point;
1362       char_type                         _M_thousands_sep;
1363       const char_type*                  _M_curr_symbol;
1364       const char_type*                  _M_positive_sign;
1365       const char_type*                  _M_negative_sign;
1366       int                               _M_frac_digits;
1367       pattern                           _M_pos_format;
1368       pattern                           _M_neg_format;
1369
1370     public:
1371       explicit
1372       moneypunct(size_t __refs = 0) : locale::facet(__refs)
1373       { _M_initialize_moneypunct(); }
1374
1375       explicit
1376       moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
1377       : locale::facet(__refs)
1378       { _M_initialize_moneypunct(__cloc, __s); }
1379
1380       char_type
1381       decimal_point() const
1382       { return this->do_decimal_point(); }
1383
1384       char_type
1385       thousands_sep() const
1386       { return this->do_thousands_sep(); }
1387
1388       string
1389       grouping() const
1390       { return this->do_grouping(); }
1391
1392       string_type
1393       curr_symbol() const
1394       { return this->do_curr_symbol(); }
1395
1396       string_type
1397       positive_sign() const
1398       { return this->do_positive_sign(); }
1399
1400       string_type
1401       negative_sign() const
1402       { return this->do_negative_sign(); }
1403
1404       int
1405       frac_digits() const
1406       { return this->do_frac_digits(); }
1407
1408       pattern
1409       pos_format() const
1410       { return this->do_pos_format(); }
1411
1412       pattern
1413       neg_format() const
1414       { return this->do_neg_format(); }
1415
1416     protected:
1417       virtual
1418       ~moneypunct();
1419
1420       virtual char_type
1421       do_decimal_point() const
1422       { return _M_decimal_point; }
1423
1424       virtual char_type
1425       do_thousands_sep() const
1426       { return _M_thousands_sep; }
1427
1428       virtual string
1429       do_grouping() const
1430       { return _M_grouping; }
1431
1432       virtual string_type
1433       do_curr_symbol()   const
1434       { return _M_curr_symbol; }
1435
1436       virtual string_type
1437       do_positive_sign() const
1438       { return _M_positive_sign; }
1439
1440       virtual string_type
1441       do_negative_sign() const
1442       { return _M_negative_sign; }
1443
1444       virtual int
1445       do_frac_digits() const
1446       { return _M_frac_digits; }
1447
1448       virtual pattern
1449       do_pos_format() const
1450       { return _M_pos_format; }
1451
1452       virtual pattern
1453       do_neg_format() const
1454       { return _M_neg_format; }
1455
1456       // For use at construction time only.
1457        void
1458        _M_initialize_moneypunct(__c_locale __cloc = NULL,
1459                                 const char* __name = NULL);
1460     };
1461
1462   template<typename _CharT, bool _Intl>
1463     locale::id moneypunct<_CharT, _Intl>::id;
1464
1465   template<typename _CharT, bool _Intl>
1466     const bool moneypunct<_CharT, _Intl>::intl;
1467
1468   template<>
1469     moneypunct<char, true>::~moneypunct();
1470
1471   template<>
1472     moneypunct<char, false>::~moneypunct();
1473
1474   template<>
1475     void
1476     moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
1477
1478   template<>
1479     void
1480     moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
1481
1482 #ifdef _GLIBCPP_USE_WCHAR_T
1483   template<>
1484     moneypunct<wchar_t, true>::~moneypunct();
1485
1486   template<>
1487     moneypunct<wchar_t, false>::~moneypunct();
1488
1489   template<>
1490     void
1491     moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale,
1492                                                         const char*);
1493
1494   template<>
1495     void
1496     moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale,
1497                                                          const char*);
1498 #endif
1499
1500   template<typename _CharT, bool _Intl>
1501     class moneypunct_byname : public moneypunct<_CharT, _Intl>
1502     {
1503       __c_locale                        _M_c_locale_moneypunct;
1504
1505     public:
1506       typedef _CharT                    char_type;
1507       typedef basic_string<_CharT>      string_type;
1508
1509       static const bool intl = _Intl;
1510
1511       explicit
1512       moneypunct_byname(const char* __s, size_t __refs = 0)
1513       : moneypunct<_CharT, _Intl>(__refs)
1514       {
1515         _S_create_c_locale(_M_c_locale_moneypunct, __s);
1516         _M_initialize_moneypunct(_M_c_locale_moneypunct);
1517       }
1518
1519     protected:
1520       virtual
1521       ~moneypunct_byname()
1522       { _S_destroy_c_locale(_M_c_locale_moneypunct); }
1523     };
1524
1525   template<typename _CharT, bool _Intl>
1526     const bool moneypunct_byname<_CharT, _Intl>::intl;
1527
1528   template<typename _CharT, typename _InIter>
1529     class money_get : public locale::facet
1530     {
1531     public:
1532       // Types:
1533       typedef _CharT                    char_type;
1534       typedef _InIter                   iter_type;
1535       typedef basic_string<_CharT>      string_type;
1536
1537       static locale::id                 id;
1538
1539       explicit
1540       money_get(size_t __refs = 0) : locale::facet(__refs) { }
1541
1542       iter_type
1543       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1544           ios_base::iostate& __err, long double& __units) const
1545       { return this->do_get(__s, __end, __intl, __io, __err, __units); }
1546
1547       iter_type
1548       get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1549           ios_base::iostate& __err, string_type& __digits) const
1550       { return this->do_get(__s, __end, __intl, __io, __err, __digits); }
1551
1552     protected:
1553       virtual
1554       ~money_get() { }
1555
1556       virtual iter_type
1557       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1558              ios_base::iostate& __err, long double& __units) const;
1559
1560       virtual iter_type
1561       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1562              ios_base::iostate& __err, string_type& __digits) const;
1563     };
1564
1565   template<typename _CharT, typename _InIter>
1566     locale::id money_get<_CharT, _InIter>::id;
1567
1568   template<typename _CharT, typename _OutIter>
1569     class money_put : public locale::facet
1570     {
1571     public:
1572       typedef _CharT                    char_type;
1573       typedef _OutIter                  iter_type;
1574       typedef basic_string<_CharT>      string_type;
1575
1576       static locale::id                 id;
1577
1578       explicit
1579       money_put(size_t __refs = 0) : locale::facet(__refs) { }
1580
1581       iter_type
1582       put(iter_type __s, bool __intl, ios_base& __io,
1583           char_type __fill, long double __units) const
1584       { return this->do_put(__s, __intl, __io, __fill, __units); }
1585
1586       iter_type
1587       put(iter_type __s, bool __intl, ios_base& __io,
1588           char_type __fill, const string_type& __digits) const
1589       { return this->do_put(__s, __intl, __io, __fill, __digits); }
1590
1591     protected:
1592       virtual
1593       ~money_put() { }
1594
1595       virtual iter_type
1596       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1597              long double __units) const;
1598
1599       virtual iter_type
1600       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1601              const string_type& __digits) const;
1602     };
1603
1604   template<typename _CharT, typename _OutIter>
1605     locale::id money_put<_CharT, _OutIter>::id;
1606
1607
1608   struct messages_base
1609   {
1610     typedef int catalog;
1611   };
1612
1613   template<typename _CharT>
1614     class messages : public locale::facet, public messages_base
1615     {
1616     public:
1617       // Types:
1618       typedef _CharT                    char_type;
1619       typedef basic_string<_CharT>      string_type;
1620
1621     protected:
1622       // Underlying "C" library locale information saved from
1623       // initialization, needed by messages_byname as well.
1624       __c_locale                        _M_c_locale_messages;
1625 #if 1
1626       // Only needed if glibc < 2.3
1627       const char*                       _M_name_messages;
1628 #endif
1629
1630     public:
1631       static locale::id                 id;
1632
1633       explicit
1634       messages(size_t __refs = 0)
1635       : locale::facet(__refs), _M_name_messages("C")
1636       { _M_c_locale_messages = _S_c_locale; }
1637
1638       // Non-standard.
1639       explicit
1640       messages(__c_locale __cloc, const char* __name, size_t __refs = 0)
1641       : locale::facet(__refs)
1642       {
1643         _M_name_messages = __name;
1644         _M_c_locale_messages = _S_clone_c_locale(__cloc);
1645       }
1646
1647       catalog
1648       open(const basic_string<char>& __s, const locale& __loc) const
1649       { return this->do_open(__s, __loc); }
1650
1651       // Non-standard and unorthodox, yet effective.
1652       catalog
1653       open(const basic_string<char>&, const locale&, const char*) const;
1654
1655       string_type
1656       get(catalog __c, int __set, int __msgid, const string_type& __s) const
1657       { return this->do_get(__c, __set, __msgid, __s); }
1658
1659       void
1660       close(catalog __c) const
1661       { return this->do_close(__c); }
1662
1663     protected:
1664       virtual
1665       ~messages()
1666        { _S_destroy_c_locale(_M_c_locale_messages); }
1667
1668       virtual catalog
1669       do_open(const basic_string<char>&, const locale&) const;
1670
1671       virtual string_type
1672       do_get(catalog, int, int, const string_type& __dfault) const;
1673
1674       virtual void
1675       do_close(catalog) const;
1676
1677       // Returns a locale and codeset-converted string, given a char* message.
1678       char*
1679       _M_convert_to_char(const string_type& __msg) const
1680       {
1681         // XXX
1682         return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
1683       }
1684
1685       // Returns a locale and codeset-converted string, given a char* message.
1686       string_type
1687       _M_convert_from_char(char* __msg) const
1688       {
1689         // Length of message string without terminating null.
1690         size_t __len = char_traits<char>::length(__msg) - 1;
1691
1692         // "everybody can easily convert the string using
1693         // mbsrtowcs/wcsrtombs or with iconv()"
1694 #if 0
1695         // Convert char* to _CharT in locale used to open catalog.
1696         // XXX need additional template parameter on messages class for this..
1697         // typedef typename codecvt<char, _CharT, _StateT> __codecvt_type;
1698         typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type;
1699
1700         __codecvt_type::state_type __state;
1701         // XXX may need to initialize state.
1702         //initialize_state(__state._M_init());
1703
1704         char* __from_next;
1705         // XXX what size for this string?
1706         _CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1));
1707         const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv);
1708         __cvt.out(__state, __msg, __msg + __len, __from_next,
1709                   __to, __to + __len + 1, __to_next);
1710         return string_type(__to);
1711 #endif
1712 #if 0
1713         typedef ctype<_CharT> __ctype_type;
1714         // const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg);
1715         const __ctype_type& __cvt = use_facet<__ctype_type>(locale());
1716         // XXX Again, proper length of converted string an issue here.
1717         // For now, assume the converted length is not larger.
1718         _CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1));
1719         __cvt.widen(__msg, __msg + __len, __dest);
1720         return basic_string<_CharT>(__dest);
1721 #endif
1722         return string_type();
1723       }
1724      };
1725
1726   template<typename _CharT>
1727     locale::id messages<_CharT>::id;
1728
1729   // Specializations for required instantiations.
1730   template<>
1731     string
1732     messages<char>::do_get(catalog, int, int, const string&) const;
1733
1734 #ifdef _GLIBCPP_USE_WCHAR_T
1735   template<>
1736     wstring
1737     messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
1738 #endif
1739
1740   // Include host and configuration specific messages virtual functions.
1741   #include <bits/messages_members.h>
1742
1743   template<typename _CharT>
1744     class messages_byname : public messages<_CharT>
1745     {
1746     public:
1747       typedef _CharT                    char_type;
1748       typedef basic_string<_CharT>      string_type;
1749
1750       explicit
1751       messages_byname(const char* __s, size_t __refs = 0)
1752       : messages<_CharT>(__refs)
1753       {
1754         _M_name_messages = __s;
1755         _S_destroy_c_locale(_M_c_locale_messages);
1756         _S_create_c_locale(_M_c_locale_messages, __s);
1757       }
1758
1759     protected:
1760       virtual
1761       ~messages_byname()
1762       { }
1763     };
1764
1765
1766   // Subclause convenience interfaces, inlines.
1767   // NB: These are inline because, when used in a loop, some compilers
1768   // can hoist the body out of the loop; then it's just as fast as the
1769   // C is*() function.
1770   template<typename _CharT>
1771     inline bool
1772     isspace(_CharT __c, const locale& __loc)
1773     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }
1774
1775   template<typename _CharT>
1776     inline bool
1777     isprint(_CharT __c, const locale& __loc)
1778     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }
1779
1780   template<typename _CharT>
1781     inline bool
1782     iscntrl(_CharT __c, const locale& __loc)
1783     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }
1784
1785   template<typename _CharT>
1786     inline bool
1787     isupper(_CharT __c, const locale& __loc)
1788     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }
1789
1790   template<typename _CharT>
1791     inline bool islower(_CharT __c, const locale& __loc)
1792     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }
1793
1794   template<typename _CharT>
1795     inline bool
1796     isalpha(_CharT __c, const locale& __loc)
1797     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }
1798
1799   template<typename _CharT>
1800     inline bool
1801     isdigit(_CharT __c, const locale& __loc)
1802     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }
1803
1804   template<typename _CharT>
1805     inline bool
1806     ispunct(_CharT __c, const locale& __loc)
1807     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }
1808
1809   template<typename _CharT>
1810     inline bool
1811     isxdigit(_CharT __c, const locale& __loc)
1812     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }
1813
1814   template<typename _CharT>
1815     inline bool
1816     isalnum(_CharT __c, const locale& __loc)
1817     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }
1818
1819   template<typename _CharT>
1820     inline bool
1821     isgraph(_CharT __c, const locale& __loc)
1822     { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }
1823
1824   template<typename _CharT>
1825     inline _CharT
1826     toupper(_CharT __c, const locale& __loc)
1827     { return use_facet<ctype<_CharT> >(__loc).toupper(__c); }
1828
1829   template<typename _CharT>
1830     inline _CharT
1831     tolower(_CharT __c, const locale& __loc)
1832     { return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
1833 } // namespace std
1834
1835 #endif