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Import libstdc++ from GCC 3.3.3-pre 20031106.
[dragonfly.git] / contrib / libstdc++3 / include / bits / locale_facets.h
blob37f6875bc252579dbcba5688fe01fc9d76fe702e
1 // Locale support -*- C++ -*-
2
3 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
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 <iosfwd>
48 #include <bits/ios_base.h> // For ios_base, ios_base::iostate
49 #include <streambuf>
50
51 namespace std
52 {
53 // NB: Don't instantiate required wchar_t facets if no wchar_t support.
54 #ifdef _GLIBCPP_USE_WCHAR_T
55 # define _GLIBCPP_NUM_FACETS 28
56 #else
57 # define _GLIBCPP_NUM_FACETS 14
58 #endif
59
60 // Convert string to numeric value of type _Tv and store results.
61 // NB: This is specialized for all required types, there is no
62 // generic definition.
63 template<typename _Tv>
64 void
65 __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err,
66 const __c_locale& __cloc, int __base = 10);
67
68 // Explicit specializations for required types.
69 template<>
70 void
71 __convert_to_v(const char*, long&, ios_base::iostate&,
72 const __c_locale&, int);
73
74 template<>
75 void
76 __convert_to_v(const char*, unsigned long&, ios_base::iostate&,
77 const __c_locale&, int);
78
79 #ifdef _GLIBCPP_USE_LONG_LONG
80 template<>
81 void
82 __convert_to_v(const char*, long long&, ios_base::iostate&,
83 const __c_locale&, int);
84
85 template<>
86 void
87 __convert_to_v(const char*, unsigned long long&, ios_base::iostate&,
88 const __c_locale&, int);
89 #endif
90
91 template<>
92 void
93 __convert_to_v(const char*, float&, ios_base::iostate&,
94 const __c_locale&, int);
95
96 template<>
97 void
98 __convert_to_v(const char*, double&, ios_base::iostate&,
99 const __c_locale&, int);
100
101 template<>
102 void
103 __convert_to_v(const char*, long double&, ios_base::iostate&,
104 const __c_locale&, int);
105
106 // NB: __pad is a struct, rather than a function, so it can be
107 // partially-specialized.
108 template<typename _CharT, typename _Traits>
109 struct __pad
110 {
111 static void
112 _S_pad(ios_base& __io, _CharT __fill, _CharT* __news,
113 const _CharT* __olds, const streamsize __newlen,
114 const streamsize __oldlen, const bool __num);
115 };
116
117 // Used by both numeric and monetary facets.
118 // Check to make sure that the __grouping_tmp string constructed in
119 // money_get or num_get matches the canonical grouping for a given
120 // locale.
121 // __grouping_tmp is parsed L to R
122 // 1,222,444 == __grouping_tmp of "\1\3\3"
123 // __grouping is parsed R to L
124 // 1,222,444 == __grouping of "\3" == "\3\3\3"
125 template<typename _CharT>
126 bool
127 __verify_grouping(const basic_string<_CharT>& __grouping,
128 basic_string<_CharT>& __grouping_tmp);
129
130 // Used by both numeric and monetary facets.
131 // Inserts "group separator" characters into an array of characters.
132 // It's recursive, one iteration per group. It moves the characters
133 // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this
134 // only with __gbeg != __gend.
135 template<typename _CharT>
136 _CharT*
137 __add_grouping(_CharT* __s, _CharT __sep,
138 const char* __gbeg, const char* __gend,
139 const _CharT* __first, const _CharT* __last);
140
141 // This template permits specializing facet output code for
142 // ostreambuf_iterator. For ostreambuf_iterator, sputn is
143 // significantly more efficient than incrementing iterators.
144 template<typename _CharT>
145 inline
146 ostreambuf_iterator<_CharT>
147 __write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len)
148 {
149 __s._M_put(__ws, __len);
150 return __s;
151 }
152
153 // This is the unspecialized form of the template.
154 template<typename _CharT, typename _OutIter>
155 inline
156 _OutIter
157 __write(_OutIter __s, const _CharT* __ws, int __len)
158 {
159 for (int __j = 0; __j < __len; __j++, ++__s)
160 *__s = __ws[__j];
161 return __s;
162 }
163
164 // 22.2.1.1 Template class ctype
165 // Include host and configuration specific ctype enums for ctype_base.
166 #include <bits/ctype_base.h>
167
168 // Common base for ctype<_CharT>.
169 template<typename _CharT>
170 class __ctype_abstract_base : public locale::facet, public ctype_base
171 {
172 public:
173 // Types:
174 typedef _CharT char_type;
175
176 bool
177 is(mask __m, char_type __c) const
178 { return this->do_is(__m, __c); }
179
180 const char_type*
181 is(const char_type *__lo, const char_type *__hi, mask *__vec) const
182 { return this->do_is(__lo, __hi, __vec); }
183
184 const char_type*
185 scan_is(mask __m, const char_type* __lo, const char_type* __hi) const
186 { return this->do_scan_is(__m, __lo, __hi); }
187
188 const char_type*
189 scan_not(mask __m, const char_type* __lo, const char_type* __hi) const
190 { return this->do_scan_not(__m, __lo, __hi); }
191
192 char_type
193 toupper(char_type __c) const
194 { return this->do_toupper(__c); }
195
196 const char_type*
197 toupper(char_type *__lo, const char_type* __hi) const
198 { return this->do_toupper(__lo, __hi); }
199
200 char_type
201 tolower(char_type __c) const
202 { return this->do_tolower(__c); }
203
204 const char_type*
205 tolower(char_type* __lo, const char_type* __hi) const
206 { return this->do_tolower(__lo, __hi); }
207
208 char_type
209 widen(char __c) const
210 { return this->do_widen(__c); }
211
212 const char*
213 widen(const char* __lo, const char* __hi, char_type* __to) const
214 { return this->do_widen(__lo, __hi, __to); }
215
216 char
217 narrow(char_type __c, char __dfault) const
218 { return this->do_narrow(__c, __dfault); }
219
220 const char_type*
221 narrow(const char_type* __lo, const char_type* __hi,
222 char __dfault, char *__to) const
223 { return this->do_narrow(__lo, __hi, __dfault, __to); }
224
225 protected:
226 explicit
227 __ctype_abstract_base(size_t __refs = 0): locale::facet(__refs) { }
228
229 virtual
230 ~__ctype_abstract_base() { }
231
232 virtual bool
233 do_is(mask __m, char_type __c) const = 0;
234
235 virtual const char_type*
236 do_is(const char_type* __lo, const char_type* __hi,
237 mask* __vec) const = 0;
238
239 virtual const char_type*
240 do_scan_is(mask __m, const char_type* __lo,
241 const char_type* __hi) const = 0;
242
243 virtual const char_type*
244 do_scan_not(mask __m, const char_type* __lo,
245 const char_type* __hi) const = 0;
246
247 virtual char_type
248 do_toupper(char_type) const = 0;
249
250 virtual const char_type*
251 do_toupper(char_type* __lo, const char_type* __hi) const = 0;
252
253 virtual char_type
254 do_tolower(char_type) const = 0;
255
256 virtual const char_type*
257 do_tolower(char_type* __lo, const char_type* __hi) const = 0;
258
259 virtual char_type
260 do_widen(char) const = 0;
261
262 virtual const char*
263 do_widen(const char* __lo, const char* __hi,
264 char_type* __dest) const = 0;
265
266 virtual char
267 do_narrow(char_type, char __dfault) const = 0;
268
269 virtual const char_type*
270 do_narrow(const char_type* __lo, const char_type* __hi,
271 char __dfault, char* __dest) const = 0;
272 };
273
274 // NB: Generic, mostly useless implementation.
275 template<typename _CharT>
276 class ctype : public __ctype_abstract_base<_CharT>
277 {
278 public:
279 // Types:
280 typedef _CharT char_type;
281 typedef typename ctype::mask mask;
282
283 static locale::id id;
284
285 explicit
286 ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { }
287
288 protected:
289 virtual
290 ~ctype();
291
292 virtual bool
293 do_is(mask __m, char_type __c) const;
294
295 virtual const char_type*
296 do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
297
298 virtual const char_type*
299 do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
300
301 virtual const char_type*
302 do_scan_not(mask __m, const char_type* __lo,
303 const char_type* __hi) const;
304
305 virtual char_type
306 do_toupper(char_type __c) const;
307
308 virtual const char_type*
309 do_toupper(char_type* __lo, const char_type* __hi) const;
310
311 virtual char_type
312 do_tolower(char_type __c) const;
313
314 virtual const char_type*
315 do_tolower(char_type* __lo, const char_type* __hi) const;
316
317 virtual char_type
318 do_widen(char __c) const;
319
320 virtual const char*
321 do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
322
323 virtual char
324 do_narrow(char_type, char __dfault) const;
325
326 virtual const char_type*
327 do_narrow(const char_type* __lo, const char_type* __hi,
328 char __dfault, char* __dest) const;
329 };
330
331 template<typename _CharT>
332 locale::id ctype<_CharT>::id;
333
334 // 22.2.1.3 ctype<char> specialization.
335 template<>
336 class ctype<char> : public __ctype_abstract_base<char>
337 {
338 public:
339 // Types:
340 typedef char char_type;
341
342 protected:
343 // Data Members:
344 __c_locale _M_c_locale_ctype;
345 bool _M_del;
346 __to_type _M_toupper;
347 __to_type _M_tolower;
348 const mask* _M_table;
349
350 public:
351 static locale::id id;
352 static const size_t table_size = 1 + static_cast<unsigned char>(-1);
353
354 explicit
355 ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0);
356
357 explicit
358 ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false,
359 size_t __refs = 0);
360
361 inline bool
362 is(mask __m, char __c) const;
363
364 inline const char*
365 is(const char* __lo, const char* __hi, mask* __vec) const;
366
367 inline const char*
368 scan_is(mask __m, const char* __lo, const char* __hi) const;
369
370 inline const char*
371 scan_not(mask __m, const char* __lo, const char* __hi) const;
372
373 protected:
374 const mask*
375 table() const throw()
376 { return _M_table; }
377
378 static const mask*
379 classic_table() throw();
380
381 virtual
382 ~ctype();
383
384 virtual bool
385 do_is(mask __m, char_type __c) const;
386
387 virtual const char_type*
388 do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
389
390 virtual const char_type*
391 do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
392
393 virtual const char_type*
394 do_scan_not(mask __m, const char_type* __lo,
395 const char_type* __hi) const;
396
397 virtual char_type
398 do_toupper(char_type) const;
399
400 virtual const char_type*
401 do_toupper(char_type* __lo, const char_type* __hi) const;
402
403 virtual char_type
404 do_tolower(char_type) const;
405
406 virtual const char_type*
407 do_tolower(char_type* __lo, const char_type* __hi) const;
408
409 virtual char_type
410 do_widen(char) const;
411
412 virtual const char*
413 do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
414
415 virtual char
416 do_narrow(char_type, char __dfault) const;
417
418 virtual const char_type*
419 do_narrow(const char_type* __lo, const char_type* __hi,
420 char __dfault, char* __dest) const;
421 };
422
423 template<>
424 const ctype<char>&
425 use_facet<ctype<char> >(const locale& __loc);
426
427 #ifdef _GLIBCPP_USE_WCHAR_T
428 // 22.2.1.3 ctype<wchar_t> specialization
429 template<>
430 class ctype<wchar_t> : public __ctype_abstract_base<wchar_t>
431 {
432 public:
433 // Types:
434 typedef wchar_t char_type;
435 typedef wctype_t __wmask_type;
436
437 protected:
438 __c_locale _M_c_locale_ctype;
439
440 public:
441 // Data Members:
442 static locale::id id;
443
444 explicit
445 ctype(size_t __refs = 0);
446
447 explicit
448 ctype(__c_locale __cloc, size_t __refs = 0);
449
450 protected:
451 __wmask_type
452 _M_convert_to_wmask(const mask __m) const;
453
454 virtual
455 ~ctype();
456
457 virtual bool
458 do_is(mask __m, char_type __c) const;
459
460 virtual const char_type*
461 do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const;
462
463 virtual const char_type*
464 do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const;
465
466 virtual const char_type*
467 do_scan_not(mask __m, const char_type* __lo,
468 const char_type* __hi) const;
469
470 virtual char_type
471 do_toupper(char_type) const;
472
473 virtual const char_type*
474 do_toupper(char_type* __lo, const char_type* __hi) const;
475
476 virtual char_type
477 do_tolower(char_type) const;
478
479 virtual const char_type*
480 do_tolower(char_type* __lo, const char_type* __hi) const;
481
482 virtual char_type
483 do_widen(char) const;
484
485 virtual const char*
486 do_widen(const char* __lo, const char* __hi, char_type* __dest) const;
487
488 virtual char
489 do_narrow(char_type, char __dfault) const;
490
491 virtual const char_type*
492 do_narrow(const char_type* __lo, const char_type* __hi,
493 char __dfault, char* __dest) const;
494
495 };
496
497 template<>
498 const ctype<wchar_t>&
499 use_facet<ctype<wchar_t> >(const locale& __loc);
500 #endif //_GLIBCPP_USE_WCHAR_T
501
502 // Include host and configuration specific ctype inlines.
503 #include <bits/ctype_inline.h>
504
505 // 22.2.1.2 Template class ctype_byname
506 template<typename _CharT>
507 class ctype_byname : public ctype<_CharT>
508 {
509 public:
510 typedef _CharT char_type;
511
512 explicit
513 ctype_byname(const char* __s, size_t __refs = 0);
514
515 protected:
516 virtual
517 ~ctype_byname() { };
518 };
519
520 // 22.2.1.4 Class ctype_byname specializations.
521 template<>
522 ctype_byname<char>::ctype_byname(const char*, size_t refs);
523
524 template<>
525 ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs);
526
527 // 22.2.1.5 Template class codecvt
528 #include <bits/codecvt.h>
529
530 // 22.2.2 The numeric category.
531 class __num_base
532 {
533 public:
534 // NB: Code depends on the order of _S_atoms_out elements.
535 // Below are the indices into _S_atoms_out.
536 enum
537 {
538 _S_minus,
539 _S_plus,
540 _S_x,
541 _S_X,
542 _S_digits,
543 _S_digits_end = _S_digits + 16,
544 _S_udigits = _S_digits_end,
545 _S_udigits_end = _S_udigits + 16,
546 _S_e = _S_digits + 14, // For scientific notation, 'e'
547 _S_E = _S_udigits + 14, // For scientific notation, 'E'
548 _S_end = _S_udigits_end
549 };
550
551 // A list of valid numeric literals for output. This array
552 // contains chars that will be passed through the current locale's
553 // ctype<_CharT>.widen() and then used to render numbers.
554 // For the standard "C" locale, this is
555 // "-+xX0123456789abcdef0123456789ABCDEF".
556 static const char* _S_atoms_out;
557
558 protected:
559 // String literal of acceptable (narrow) input, for num_get.
560 // "0123456789eEabcdfABCDF"
561 static const char* _S_atoms_in;
562
563 enum
564 {
565 _M_zero,
566 _M_e = _M_zero + 10,
567 _M_E = _M_zero + 11,
568 _M_size = 21 + 1
569 };
570
571 // num_put
572 // Construct and return valid scanf format for floating point types.
573 static void
574 _S_format_float(const ios_base& __io, char* __fptr, char __mod,
575 streamsize __prec);
576
577 // Construct and return valid scanf format for integer types.
578 static void
579 _S_format_int(const ios_base& __io, char* __fptr, char __mod, char __modl);
580 };
581
582
583 template<typename _CharT>
584 class __locale_cache;
585
586 template<typename _CharT>
587 class numpunct : public locale::facet
588 {
589 public:
590 // Types:
591 typedef _CharT char_type;
592 typedef basic_string<_CharT> string_type;
593
594 friend class __locale_cache<numpunct<_CharT> >;
595
596 static locale::id id;
597
598 private:
599 char_type _M_decimal_point;
600 char_type _M_thousands_sep;
601 const char* _M_grouping;
602 const char_type* _M_truename;
603 const char_type* _M_falsename;
604
605 public:
606 explicit
607 numpunct(size_t __refs = 0) : locale::facet(__refs)
608 { _M_initialize_numpunct(); }
609
610 explicit
611 numpunct(__c_locale __cloc, size_t __refs = 0) : locale::facet(__refs)
612 { _M_initialize_numpunct(__cloc); }
613
614 char_type
615 decimal_point() const
616 { return this->do_decimal_point(); }
617
618 char_type
619 thousands_sep() const
620 { return this->do_thousands_sep(); }
621
622 string
623 grouping() const
624 { return this->do_grouping(); }
625
626 string_type
627 truename() const
628 { return this->do_truename(); }
629
630 string_type
631 falsename() const
632 { return this->do_falsename(); }
633
634 protected:
635 virtual
636 ~numpunct();
637
638 virtual char_type
639 do_decimal_point() const
640 { return _M_decimal_point; }
641
642 virtual char_type
643 do_thousands_sep() const
644 { return _M_thousands_sep; }
645
646 virtual string
647 do_grouping() const
648 { return _M_grouping; }
649
650 virtual string_type
651 do_truename() const
652 { return _M_truename; }
653
654 virtual string_type
655 do_falsename() const
656 { return _M_falsename; }
657
658 // For use at construction time only.
659 void
660 _M_initialize_numpunct(__c_locale __cloc = NULL);
661 };
662
663 template<typename _CharT>
664 locale::id numpunct<_CharT>::id;
665
666 template<>
667 numpunct<char>::~numpunct();
668
669 template<>
670 void
671 numpunct<char>::_M_initialize_numpunct(__c_locale __cloc);
672
673 #ifdef _GLIBCPP_USE_WCHAR_T
674 template<>
675 numpunct<wchar_t>::~numpunct();
676
677 template<>
678 void
679 numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc);
680 #endif
681
682 template<typename _CharT>
683 class numpunct_byname : public numpunct<_CharT>
684 {
685 // Data Member.
686 __c_locale _M_c_locale_numpunct;
687
688 public:
689 typedef _CharT char_type;
690 typedef basic_string<_CharT> string_type;
691
692 explicit
693 numpunct_byname(const char* __s, size_t __refs = 0)
694 : numpunct<_CharT>(__refs)
695 {
696 _S_create_c_locale(_M_c_locale_numpunct, __s);
697 _M_initialize_numpunct(_M_c_locale_numpunct);
698 }
699
700 protected:
701 virtual
702 ~numpunct_byname()
703 { _S_destroy_c_locale(_M_c_locale_numpunct); }
704 };
705
706 template<typename _CharT, typename _InIter>
707 class num_get : public locale::facet, public __num_base
708 {
709 public:
710 // Types:
711 typedef _CharT char_type;
712 typedef _InIter iter_type;
713
714 static locale::id id;
715
716 explicit
717 num_get(size_t __refs = 0) : locale::facet(__refs) { }
718
719 iter_type
720 get(iter_type __in, iter_type __end, ios_base& __io,
721 ios_base::iostate& __err, bool& __v) const
722 { return this->do_get(__in, __end, __io, __err, __v); }
723
724 iter_type
725 get(iter_type __in, iter_type __end, ios_base& __io,
726 ios_base::iostate& __err, long& __v) const
727 { return this->do_get(__in, __end, __io, __err, __v); }
728
729 iter_type
730 get(iter_type __in, iter_type __end, ios_base& __io,
731 ios_base::iostate& __err, unsigned short& __v) const
732 { return this->do_get(__in, __end, __io, __err, __v); }
733
734 iter_type
735 get(iter_type __in, iter_type __end, ios_base& __io,
736 ios_base::iostate& __err, unsigned int& __v) const
737 { return this->do_get(__in, __end, __io, __err, __v); }
738
739 iter_type
740 get(iter_type __in, iter_type __end, ios_base& __io,
741 ios_base::iostate& __err, unsigned long& __v) const
742 { return this->do_get(__in, __end, __io, __err, __v); }
743
744 #ifdef _GLIBCPP_USE_LONG_LONG
745 iter_type
746 get(iter_type __in, iter_type __end, ios_base& __io,
747 ios_base::iostate& __err, long long& __v) const
748 { return this->do_get(__in, __end, __io, __err, __v); }
749
750 iter_type
751 get(iter_type __in, iter_type __end, ios_base& __io,
752 ios_base::iostate& __err, unsigned long long& __v) const
753 { return this->do_get(__in, __end, __io, __err, __v); }
754 #endif
755
756 iter_type
757 get(iter_type __in, iter_type __end, ios_base& __io,
758 ios_base::iostate& __err, float& __v) const
759 { return this->do_get(__in, __end, __io, __err, __v); }
760
761 iter_type
762 get(iter_type __in, iter_type __end, ios_base& __io,
763 ios_base::iostate& __err, double& __v) const
764 { return this->do_get(__in, __end, __io, __err, __v); }
765
766 iter_type
767 get(iter_type __in, iter_type __end, ios_base& __io,
768 ios_base::iostate& __err, long double& __v) const
769 { return this->do_get(__in, __end, __io, __err, __v); }
770
771 iter_type
772 get(iter_type __in, iter_type __end, ios_base& __io,
773 ios_base::iostate& __err, void*& __v) const
774 { return this->do_get(__in, __end, __io, __err, __v); }
775
776 protected:
777 virtual ~num_get() { }
778
779 iter_type
780 _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
781 string& __xtrc) const;
782
783 iter_type
784 _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
785 string& __xtrc, int& __base) const;
786
787 virtual iter_type
788 do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
789
790
791 virtual iter_type
792 do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const;
793
794 virtual iter_type
795 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
796 unsigned short&) const;
797
798 virtual iter_type
799 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
800 unsigned int&) const;
801
802 virtual iter_type
803 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
804 unsigned long&) const;
805
806 #ifdef _GLIBCPP_USE_LONG_LONG
807 virtual iter_type
808 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
809 long long&) const;
810
811 virtual iter_type
812 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
813 unsigned long long&) const;
814 #endif
815
816 virtual iter_type
817 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
818 float&) const;
819
820 virtual iter_type
821 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
822 double&) const;
823
824 virtual iter_type
825 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
826 long double&) const;
827
828 virtual iter_type
829 do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err,
830 void*&) const;
831 };
832
833 template<typename _CharT, typename _InIter>
834 locale::id num_get<_CharT, _InIter>::id;
835
836 #if 0
837 // Partial specialization for istreambuf_iterator, so can use traits_type.
838 template<typename _CharT>
839 class num_get<_CharT, istreambuf_iterator<_CharT> >;
840
841 iter_type
842 _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&,
843 string& __xtrc) const;
844
845 iter_type
846 _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&,
847 string& __xtrc, int& __base) const;
848
849 virtual iter_type
850 do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const;
851 #endif
852
853 template<typename _CharT, typename _OutIter>
854 class num_put : public locale::facet, public __num_base
855 {
856 public:
857 // Types:
858 typedef _CharT char_type;
859 typedef _OutIter iter_type;
860 static locale::id id;
861
862 explicit
863 num_put(size_t __refs = 0) : locale::facet(__refs) { }
864
865 iter_type
866 put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const
867 { return this->do_put(__s, __f, __fill, __v); }
868
869 iter_type
870 put(iter_type __s, ios_base& __f, char_type __fill, long __v) const
871 { return this->do_put(__s, __f, __fill, __v); }
872
873 iter_type
874 put(iter_type __s, ios_base& __f, char_type __fill,
875 unsigned long __v) const
876 { return this->do_put(__s, __f, __fill, __v); }
877
878 #ifdef _GLIBCPP_USE_LONG_LONG
879 iter_type
880 put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const
881 { return this->do_put(__s, __f, __fill, __v); }
882
883 iter_type
884 put(iter_type __s, ios_base& __f, char_type __fill,
885 unsigned long long __v) const
886 { return this->do_put(__s, __f, __fill, __v); }
887 #endif
888
889 iter_type
890 put(iter_type __s, ios_base& __f, char_type __fill, double __v) const
891 { return this->do_put(__s, __f, __fill, __v); }
892
893 iter_type
894 put(iter_type __s, ios_base& __f, char_type __fill,
895 long double __v) const
896 { return this->do_put(__s, __f, __fill, __v); }
897
898 iter_type
899 put(iter_type __s, ios_base& __f, char_type __fill,
900 const void* __v) const
901 { return this->do_put(__s, __f, __fill, __v); }
902
903 protected:
904 template<typename _ValueT>
905 iter_type
906 _M_convert_float(iter_type, ios_base& __io, char_type __fill,
907 char __mod, _ValueT __v) const;
908
909 void
910 _M_group_float(const string& __grouping, char_type __sep,
911 const char_type* __p, char_type* __new, char_type* __cs,
912 int& __len) const;
913
914 template<typename _ValueT>
915 iter_type
916 _M_convert_int(iter_type, ios_base& __io, char_type __fill,
917 _ValueT __v) const;
918
919 void
920 _M_group_int(const string& __grouping, char_type __sep,
921 ios_base& __io, char_type* __new, char_type* __cs,
922 int& __len) const;
923
924 void
925 _M_pad(char_type __fill, streamsize __w, ios_base& __io,
926 char_type* __new, const char_type* __cs, int& __len) const;
927
928 #if 1
929 // XXX GLIBCXX_ABI Deprecated, compatibility only.
930 template<typename _ValueT>
931 iter_type
932 _M_convert_int(iter_type, ios_base& __io, char_type __fill,
933 char __mod, char __modl, _ValueT __v) const;
934
935 iter_type
936 _M_widen_float(iter_type, ios_base& __io, char_type __fill, char* __cs,
937 int __len) const;
938
939 iter_type
940 _M_widen_int(iter_type, ios_base& __io, char_type __fill, char* __cs,
941 int __len) const;
942
943 iter_type
944 _M_insert(iter_type, ios_base& __io, char_type __fill,
945 const char_type* __ws, int __len) const;
946 #endif
947
948 virtual
949 ~num_put() { };
950
951 virtual iter_type
952 do_put(iter_type, ios_base&, char_type __fill, bool __v) const;
953
954 virtual iter_type
955 do_put(iter_type, ios_base&, char_type __fill, long __v) const;
956
957 virtual iter_type
958 do_put(iter_type, ios_base&, char_type __fill, unsigned long) const;
959
960 #ifdef _GLIBCPP_USE_LONG_LONG
961 virtual iter_type
962 do_put(iter_type, ios_base&, char_type __fill, long long __v) const;
963
964 virtual iter_type
965 do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const;
966 #endif
967
968 virtual iter_type
969 do_put(iter_type, ios_base&, char_type __fill, double __v) const;
970
971 virtual iter_type
972 do_put(iter_type, ios_base&, char_type __fill, long double __v) const;
973
974 virtual iter_type
975 do_put(iter_type, ios_base&, char_type __fill, const void* __v) const;
976 };
977
978 template <typename _CharT, typename _OutIter>
979 locale::id num_put<_CharT, _OutIter>::id;
980
981
982 template<typename _CharT>
983 class collate : public locale::facet
984 {
985 public:
986 // Types:
987 typedef _CharT char_type;
988 typedef basic_string<_CharT> string_type;
989
990 protected:
991 // Underlying "C" library locale information saved from
992 // initialization, needed by collate_byname as well.
993 __c_locale _M_c_locale_collate;
994
995 public:
996 static locale::id id;
997
998 explicit
999 collate(size_t __refs = 0)
1000 : locale::facet(__refs)
1001 { _M_c_locale_collate = _S_c_locale; }
1002
1003 explicit
1004 collate(__c_locale __cloc, size_t __refs = 0)
1005 : locale::facet(__refs)
1006 { _M_c_locale_collate = _S_clone_c_locale(__cloc); }
1007
1008 int
1009 compare(const _CharT* __lo1, const _CharT* __hi1,
1010 const _CharT* __lo2, const _CharT* __hi2) const
1011 { return this->do_compare(__lo1, __hi1, __lo2, __hi2); }
1012
1013 string_type
1014 transform(const _CharT* __lo, const _CharT* __hi) const
1015 { return this->do_transform(__lo, __hi); }
1016
1017 long
1018 hash(const _CharT* __lo, const _CharT* __hi) const
1019 { return this->do_hash(__lo, __hi); }
1020
1021 // Used to abstract out _CharT bits in virtual member functions, below.
1022 int
1023 _M_compare(const _CharT*, const _CharT*) const;
1024
1025 size_t
1026 _M_transform(_CharT*, const _CharT*, size_t) const;
1027
1028 protected:
1029 virtual
1030 ~collate()
1031 { _S_destroy_c_locale(_M_c_locale_collate); }
1032
1033 virtual int
1034 do_compare(const _CharT* __lo1, const _CharT* __hi1,
1035 const _CharT* __lo2, const _CharT* __hi2) const;
1036
1037 virtual string_type
1038 do_transform(const _CharT* __lo, const _CharT* __hi) const;
1039
1040 virtual long
1041 do_hash(const _CharT* __lo, const _CharT* __hi) const;
1042 };
1043
1044 template<typename _CharT>
1045 locale::id collate<_CharT>::id;
1046
1047 // Specializations.
1048 template<>
1049 int
1050 collate<char>::_M_compare(const char*, const char*) const;
1051
1052 template<>
1053 size_t
1054 collate<char>::_M_transform(char*, const char*, size_t) const;
1055
1056 #ifdef _GLIBCPP_USE_WCHAR_T
1057 template<>
1058 int
1059 collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const;
1060
1061 template<>
1062 size_t
1063 collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const;
1064 #endif
1065
1066 template<typename _CharT>
1067 class collate_byname : public collate<_CharT>
1068 {
1069 public:
1070 typedef _CharT char_type;
1071 typedef basic_string<_CharT> string_type;
1072
1073 explicit
1074 collate_byname(const char* __s, size_t __refs = 0)
1075 : collate<_CharT>(__refs)
1076 {
1077 _S_destroy_c_locale(_M_c_locale_collate);
1078 _S_create_c_locale(_M_c_locale_collate, __s);
1079 }
1080
1081 protected:
1082 virtual
1083 ~collate_byname() { }
1084 };
1085
1086
1087 class time_base
1088 {
1089 public:
1090 enum dateorder { no_order, dmy, mdy, ymd, ydm };
1091 };
1092
1093 template<typename _CharT>
1094 class __timepunct : public locale::facet
1095 {
1096 public:
1097 // Types:
1098 typedef _CharT __char_type;
1099 typedef basic_string<_CharT> __string_type;
1100
1101 static locale::id id;
1102
1103 // List of all known timezones, with GMT first.
1104 static const _CharT* _S_timezones[14];
1105
1106 protected:
1107 __c_locale _M_c_locale_timepunct;
1108 char* _M_name_timepunct;
1109 const _CharT* _M_date_format;
1110 const _CharT* _M_date_era_format;
1111 const _CharT* _M_time_format;
1112 const _CharT* _M_time_era_format;
1113 const _CharT* _M_date_time_format;
1114 const _CharT* _M_date_time_era_format;
1115 const _CharT* _M_am;
1116 const _CharT* _M_pm;
1117 const _CharT* _M_am_pm_format;
1118
1119 // Day names, starting with "C"'s Sunday.
1120 const _CharT* _M_day1;
1121 const _CharT* _M_day2;
1122 const _CharT* _M_day3;
1123 const _CharT* _M_day4;
1124 const _CharT* _M_day5;
1125 const _CharT* _M_day6;
1126 const _CharT* _M_day7;
1127
1128 // Abbreviated day names, starting with "C"'s Sun.
1129 const _CharT* _M_day_a1;
1130 const _CharT* _M_day_a2;
1131 const _CharT* _M_day_a3;
1132 const _CharT* _M_day_a4;
1133 const _CharT* _M_day_a5;
1134 const _CharT* _M_day_a6;
1135 const _CharT* _M_day_a7;
1136
1137 // Month names, starting with "C"'s January.
1138 const _CharT* _M_month01;
1139 const _CharT* _M_month02;
1140 const _CharT* _M_month03;
1141 const _CharT* _M_month04;
1142 const _CharT* _M_month05;
1143 const _CharT* _M_month06;
1144 const _CharT* _M_month07;
1145 const _CharT* _M_month08;
1146 const _CharT* _M_month09;
1147 const _CharT* _M_month10;
1148 const _CharT* _M_month11;
1149 const _CharT* _M_month12;
1150
1151 // Abbreviated month names, starting with "C"'s Jan.
1152 const _CharT* _M_month_a01;
1153 const _CharT* _M_month_a02;
1154 const _CharT* _M_month_a03;
1155 const _CharT* _M_month_a04;
1156 const _CharT* _M_month_a05;
1157 const _CharT* _M_month_a06;
1158 const _CharT* _M_month_a07;
1159 const _CharT* _M_month_a08;
1160 const _CharT* _M_month_a09;
1161 const _CharT* _M_month_a10;
1162 const _CharT* _M_month_a11;
1163 const _CharT* _M_month_a12;
1164
1165 public:
1166 explicit
1167 __timepunct(size_t __refs = 0);
1168
1169 explicit
1170 __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0);
1171
1172 void
1173 _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format,
1174 const tm* __tm) const;
1175
1176 void
1177 _M_date_formats(const _CharT** __date) const
1178 {
1179 // Always have default first.
1180 __date[0] = _M_date_format;
1181 __date[1] = _M_date_era_format;
1182 }
1183
1184 void
1185 _M_time_formats(const _CharT** __time) const
1186 {
1187 // Always have default first.
1188 __time[0] = _M_time_format;
1189 __time[1] = _M_time_era_format;
1190 }
1191
1192 void
1193 _M_ampm(const _CharT** __ampm) const
1194 {
1195 __ampm[0] = _M_am;
1196 __ampm[1] = _M_pm;
1197 }
1198
1199 void
1200 _M_date_time_formats(const _CharT** __dt) const
1201 {
1202 // Always have default first.
1203 __dt[0] = _M_date_time_format;
1204 __dt[1] = _M_date_time_era_format;
1205 }
1206
1207 void
1208 _M_days(const _CharT** __days) const
1209 {
1210 __days[0] = _M_day1;
1211 __days[1] = _M_day2;
1212 __days[2] = _M_day3;
1213 __days[3] = _M_day4;
1214 __days[4] = _M_day5;
1215 __days[5] = _M_day6;
1216 __days[6] = _M_day7;
1217 }
1218
1219 void
1220 _M_days_abbreviated(const _CharT** __days) const
1221 {
1222 __days[0] = _M_day_a1;
1223 __days[1] = _M_day_a2;
1224 __days[2] = _M_day_a3;
1225 __days[3] = _M_day_a4;
1226 __days[4] = _M_day_a5;
1227 __days[5] = _M_day_a6;
1228 __days[6] = _M_day_a7;
1229 }
1230
1231 void
1232 _M_months(const _CharT** __months) const
1233 {
1234 __months[0] = _M_month01;
1235 __months[1] = _M_month02;
1236 __months[2] = _M_month03;
1237 __months[3] = _M_month04;
1238 __months[4] = _M_month05;
1239 __months[5] = _M_month06;
1240 __months[6] = _M_month07;
1241 __months[7] = _M_month08;
1242 __months[8] = _M_month09;
1243 __months[9] = _M_month10;
1244 __months[10] = _M_month11;
1245 __months[11] = _M_month12;
1246 }
1247
1248 void
1249 _M_months_abbreviated(const _CharT** __months) const
1250 {
1251 __months[0] = _M_month_a01;
1252 __months[1] = _M_month_a02;
1253 __months[2] = _M_month_a03;
1254 __months[3] = _M_month_a04;
1255 __months[4] = _M_month_a05;
1256 __months[5] = _M_month_a06;
1257 __months[6] = _M_month_a07;
1258 __months[7] = _M_month_a08;
1259 __months[8] = _M_month_a09;
1260 __months[9] = _M_month_a10;
1261 __months[10] = _M_month_a11;
1262 __months[11] = _M_month_a12;
1263 }
1264
1265 protected:
1266 virtual
1267 ~__timepunct();
1268
1269 // For use at construction time only.
1270 void
1271 _M_initialize_timepunct(__c_locale __cloc = NULL);
1272 };
1273
1274 template<typename _CharT>
1275 locale::id __timepunct<_CharT>::id;
1276
1277 // Specializations.
1278 template<>
1279 const char*
1280 __timepunct<char>::_S_timezones[14];
1281
1282 template<>
1283 void
1284 __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc);
1285
1286 template<>
1287 void
1288 __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const;
1289
1290 #ifdef _GLIBCPP_USE_WCHAR_T
1291 template<>
1292 const wchar_t*
1293 __timepunct<wchar_t>::_S_timezones[14];
1294
1295 template<>
1296 void
1297 __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc);
1298
1299 template<>
1300 void
1301 __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*,
1302 const tm*) const;
1303 #endif
1304
1305 // Generic.
1306 template<typename _CharT>
1307 const _CharT* __timepunct<_CharT>::_S_timezones[14];
1308
1309 // Include host and configuration specific timepunct functions.
1310 #include <bits/time_members.h>
1311
1312 template<typename _CharT, typename _InIter>
1313 class time_get : public locale::facet, public time_base
1314 {
1315 public:
1316 // Types:
1317 typedef _CharT char_type;
1318 typedef _InIter iter_type;
1319 typedef basic_string<_CharT> __string_type;
1320
1321 static locale::id id;
1322
1323 explicit
1324 time_get(size_t __refs = 0)
1325 : locale::facet (__refs) { }
1326
1327 dateorder
1328 date_order() const
1329 { return this->do_date_order(); }
1330
1331 iter_type
1332 get_time(iter_type __beg, iter_type __end, ios_base& __io,
1333 ios_base::iostate& __err, tm* __tm) const
1334 { return this->do_get_time(__beg, __end, __io, __err, __tm); }
1335
1336 iter_type
1337 get_date(iter_type __beg, iter_type __end, ios_base& __io,
1338 ios_base::iostate& __err, tm* __tm) const
1339 { return this->do_get_date(__beg, __end, __io, __err, __tm); }
1340
1341 iter_type
1342 get_weekday(iter_type __beg, iter_type __end, ios_base& __io,
1343 ios_base::iostate& __err, tm* __tm) const
1344 { return this->do_get_weekday(__beg, __end, __io, __err, __tm); }
1345
1346 iter_type
1347 get_monthname(iter_type __beg, iter_type __end, ios_base& __io,
1348 ios_base::iostate& __err, tm* __tm) const
1349 { return this->do_get_monthname(__beg, __end, __io, __err, __tm); }
1350
1351 iter_type
1352 get_year(iter_type __beg, iter_type __end, ios_base& __io,
1353 ios_base::iostate& __err, tm* __tm) const
1354 { return this->do_get_year(__beg, __end, __io, __err, __tm); }
1355
1356 protected:
1357 virtual
1358 ~time_get() { }
1359
1360 virtual dateorder
1361 do_date_order() const;
1362
1363 virtual iter_type
1364 do_get_time(iter_type __beg, iter_type __end, ios_base& __io,
1365 ios_base::iostate& __err, tm* __tm) const;
1366
1367 virtual iter_type
1368 do_get_date(iter_type __beg, iter_type __end, ios_base& __io,
1369 ios_base::iostate& __err, tm* __tm) const;
1370
1371 virtual iter_type
1372 do_get_weekday(iter_type __beg, iter_type __end, ios_base&,
1373 ios_base::iostate& __err, tm* __tm) const;
1374
1375 virtual iter_type
1376 do_get_monthname(iter_type __beg, iter_type __end, ios_base&,
1377 ios_base::iostate& __err, tm* __tm) const;
1378
1379 virtual iter_type
1380 do_get_year(iter_type __beg, iter_type __end, ios_base& __io,
1381 ios_base::iostate& __err, tm* __tm) const;
1382
1383 // Extract numeric component of length __len.
1384 void
1385 _M_extract_num(iter_type& __beg, iter_type& __end, int& __member,
1386 int __min, int __max, size_t __len,
1387 const ctype<_CharT>& __ctype,
1388 ios_base::iostate& __err) const;
1389
1390 // Extract day or month name, or any unique array of string
1391 // literals in a const _CharT* array.
1392 void
1393 _M_extract_name(iter_type& __beg, iter_type& __end, int& __member,
1394 const _CharT** __names, size_t __indexlen,
1395 ios_base::iostate& __err) const;
1396
1397 // Extract on a component-by-component basis, via __format argument.
1398 void
1399 _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io,
1400 ios_base::iostate& __err, tm* __tm,
1401 const _CharT* __format) const;
1402 };
1403
1404 template<typename _CharT, typename _InIter>
1405 locale::id time_get<_CharT, _InIter>::id;
1406
1407 template<typename _CharT, typename _InIter>
1408 class time_get_byname : public time_get<_CharT, _InIter>
1409 {
1410 public:
1411 // Types:
1412 typedef _CharT char_type;
1413 typedef _InIter iter_type;
1414
1415 explicit
1416 time_get_byname(const char*, size_t __refs = 0)
1417 : time_get<_CharT, _InIter>(__refs) { }
1418
1419 protected:
1420 virtual
1421 ~time_get_byname() { }
1422 };
1423
1424 template<typename _CharT, typename _OutIter>
1425 class time_put : public locale::facet, public time_base
1426 {
1427 public:
1428 // Types:
1429 typedef _CharT char_type;
1430 typedef _OutIter iter_type;
1431
1432 static locale::id id;
1433
1434 explicit
1435 time_put(size_t __refs = 0)
1436 : locale::facet(__refs) { }
1437
1438 iter_type
1439 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1440 const _CharT* __beg, const _CharT* __end) const;
1441
1442 iter_type
1443 put(iter_type __s, ios_base& __io, char_type __fill,
1444 const tm* __tm, char __format, char __mod = 0) const
1445 { return this->do_put(__s, __io, __fill, __tm, __format, __mod); }
1446
1447 protected:
1448 virtual
1449 ~time_put()
1450 { }
1451
1452 virtual iter_type
1453 do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm,
1454 char __format, char __mod) const;
1455 };
1456
1457 template<typename _CharT, typename _OutIter>
1458 locale::id time_put<_CharT, _OutIter>::id;
1459
1460 template<typename _CharT, typename _OutIter>
1461 class time_put_byname : public time_put<_CharT, _OutIter>
1462 {
1463 public:
1464 // Types:
1465 typedef _CharT char_type;
1466 typedef _OutIter iter_type;
1467
1468 explicit
1469 time_put_byname(const char* /*__s*/, size_t __refs = 0)
1470 : time_put<_CharT, _OutIter>(__refs)
1471 { };
1472
1473 protected:
1474 virtual
1475 ~time_put_byname() { }
1476 };
1477
1478
1479 class money_base
1480 {
1481 public:
1482 enum part { none, space, symbol, sign, value };
1483 struct pattern { char field[4]; };
1484
1485 static const pattern _S_default_pattern;
1486
1487 // Construct and return valid pattern consisting of some combination of:
1488 // space none symbol sign value
1489 static pattern
1490 _S_construct_pattern(char __precedes, char __space, char __posn);
1491 };
1492
1493 template<typename _CharT, bool _Intl>
1494 class moneypunct : public locale::facet, public money_base
1495 {
1496 public:
1497 // Types:
1498 typedef _CharT char_type;
1499 typedef basic_string<_CharT> string_type;
1500
1501 static const bool intl = _Intl;
1502 static locale::id id;
1503
1504 private:
1505 const char* _M_grouping;
1506 char_type _M_decimal_point;
1507 char_type _M_thousands_sep;
1508 const char_type* _M_curr_symbol;
1509 const char_type* _M_positive_sign;
1510 const char_type* _M_negative_sign;
1511 int _M_frac_digits;
1512 pattern _M_pos_format;
1513 pattern _M_neg_format;
1514
1515 public:
1516 explicit
1517 moneypunct(size_t __refs = 0) : locale::facet(__refs)
1518 { _M_initialize_moneypunct(); }
1519
1520 explicit
1521 moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0)
1522 : locale::facet(__refs)
1523 { _M_initialize_moneypunct(__cloc, __s); }
1524
1525 char_type
1526 decimal_point() const
1527 { return this->do_decimal_point(); }
1528
1529 char_type
1530 thousands_sep() const
1531 { return this->do_thousands_sep(); }
1532
1533 string
1534 grouping() const
1535 { return this->do_grouping(); }
1536
1537 string_type
1538 curr_symbol() const
1539 { return this->do_curr_symbol(); }
1540
1541 string_type
1542 positive_sign() const
1543 { return this->do_positive_sign(); }
1544
1545 string_type
1546 negative_sign() const
1547 { return this->do_negative_sign(); }
1548
1549 int
1550 frac_digits() const
1551 { return this->do_frac_digits(); }
1552
1553 pattern
1554 pos_format() const
1555 { return this->do_pos_format(); }
1556
1557 pattern
1558 neg_format() const
1559 { return this->do_neg_format(); }
1560
1561 protected:
1562 virtual
1563 ~moneypunct();
1564
1565 virtual char_type
1566 do_decimal_point() const
1567 { return _M_decimal_point; }
1568
1569 virtual char_type
1570 do_thousands_sep() const
1571 { return _M_thousands_sep; }
1572
1573 virtual string
1574 do_grouping() const
1575 { return _M_grouping; }
1576
1577 virtual string_type
1578 do_curr_symbol() const
1579 { return _M_curr_symbol; }
1580
1581 virtual string_type
1582 do_positive_sign() const
1583 { return _M_positive_sign; }
1584
1585 virtual string_type
1586 do_negative_sign() const
1587 { return _M_negative_sign; }
1588
1589 virtual int
1590 do_frac_digits() const
1591 { return _M_frac_digits; }
1592
1593 virtual pattern
1594 do_pos_format() const
1595 { return _M_pos_format; }
1596
1597 virtual pattern
1598 do_neg_format() const
1599 { return _M_neg_format; }
1600
1601 // For use at construction time only.
1602 void
1603 _M_initialize_moneypunct(__c_locale __cloc = NULL,
1604 const char* __name = NULL);
1605 };
1606
1607 template<typename _CharT, bool _Intl>
1608 locale::id moneypunct<_CharT, _Intl>::id;
1609
1610 template<typename _CharT, bool _Intl>
1611 const bool moneypunct<_CharT, _Intl>::intl;
1612
1613 template<>
1614 moneypunct<char, true>::~moneypunct();
1615
1616 template<>
1617 moneypunct<char, false>::~moneypunct();
1618
1619 template<>
1620 void
1621 moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*);
1622
1623 template<>
1624 void
1625 moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*);
1626
1627 #ifdef _GLIBCPP_USE_WCHAR_T
1628 template<>
1629 moneypunct<wchar_t, true>::~moneypunct();
1630
1631 template<>
1632 moneypunct<wchar_t, false>::~moneypunct();
1633
1634 template<>
1635 void
1636 moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale,
1637 const char*);
1638
1639 template<>
1640 void
1641 moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale,
1642 const char*);
1643 #endif
1644
1645 template<typename _CharT, bool _Intl>
1646 class moneypunct_byname : public moneypunct<_CharT, _Intl>
1647 {
1648 __c_locale _M_c_locale_moneypunct;
1649
1650 public:
1651 typedef _CharT char_type;
1652 typedef basic_string<_CharT> string_type;
1653
1654 static const bool intl = _Intl;
1655
1656 explicit
1657 moneypunct_byname(const char* __s, size_t __refs = 0)
1658 : moneypunct<_CharT, _Intl>(__refs)
1659 {
1660 _S_create_c_locale(_M_c_locale_moneypunct, __s);
1661 _M_initialize_moneypunct(_M_c_locale_moneypunct);
1662 }
1663
1664 protected:
1665 virtual
1666 ~moneypunct_byname()
1667 { _S_destroy_c_locale(_M_c_locale_moneypunct); }
1668 };
1669
1670 template<typename _CharT, bool _Intl>
1671 const bool moneypunct_byname<_CharT, _Intl>::intl;
1672
1673 template<typename _CharT, typename _InIter>
1674 class money_get : public locale::facet
1675 {
1676 public:
1677 // Types:
1678 typedef _CharT char_type;
1679 typedef _InIter iter_type;
1680 typedef basic_string<_CharT> string_type;
1681
1682 static locale::id id;
1683
1684 explicit
1685 money_get(size_t __refs = 0) : locale::facet(__refs) { }
1686
1687 iter_type
1688 get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1689 ios_base::iostate& __err, long double& __units) const
1690 { return this->do_get(__s, __end, __intl, __io, __err, __units); }
1691
1692 iter_type
1693 get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1694 ios_base::iostate& __err, string_type& __digits) const
1695 { return this->do_get(__s, __end, __intl, __io, __err, __digits); }
1696
1697 protected:
1698 virtual
1699 ~money_get() { }
1700
1701 virtual iter_type
1702 do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1703 ios_base::iostate& __err, long double& __units) const;
1704
1705 virtual iter_type
1706 do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
1707 ios_base::iostate& __err, string_type& __digits) const;
1708 };
1709
1710 template<typename _CharT, typename _InIter>
1711 locale::id money_get<_CharT, _InIter>::id;
1712
1713 template<typename _CharT, typename _OutIter>
1714 class money_put : public locale::facet
1715 {
1716 public:
1717 typedef _CharT char_type;
1718 typedef _OutIter iter_type;
1719 typedef basic_string<_CharT> string_type;
1720
1721 static locale::id id;
1722
1723 explicit
1724 money_put(size_t __refs = 0) : locale::facet(__refs) { }
1725
1726 iter_type
1727 put(iter_type __s, bool __intl, ios_base& __io,
1728 char_type __fill, long double __units) const
1729 { return this->do_put(__s, __intl, __io, __fill, __units); }
1730
1731 iter_type
1732 put(iter_type __s, bool __intl, ios_base& __io,
1733 char_type __fill, const string_type& __digits) const
1734 { return this->do_put(__s, __intl, __io, __fill, __digits); }
1735
1736 protected:
1737 virtual
1738 ~money_put() { }
1739
1740 virtual iter_type
1741 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1742 long double __units) const;
1743
1744 virtual iter_type
1745 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
1746 const string_type& __digits) const;
1747 };
1748
1749 template<typename _CharT, typename _OutIter>
1750 locale::id money_put<_CharT, _OutIter>::id;
1751
1752
1753 struct messages_base
1754 {
1755 typedef int catalog;
1756 };
1757
1758 template<typename _CharT>
1759 class messages : public locale::facet, public messages_base
1760 {
1761 public:
1762 // Types:
1763 typedef _CharT char_type;
1764 typedef basic_string<_CharT> string_type;
1765
1766 protected:
1767 // Underlying "C" library locale information saved from
1768 // initialization, needed by messages_byname as well.
1769 __c_locale _M_c_locale_messages;
1770 char* _M_name_messages;
1771
1772 public:
1773 static locale::id id;
1774
1775 explicit
1776 messages(size_t __refs = 0);
1777
1778 // Non-standard.
1779 explicit
1780 messages(__c_locale __cloc, const char* __s, size_t __refs = 0);
1781
1782 catalog
1783 open(const basic_string<char>& __s, const locale& __loc) const
1784 { return this->do_open(__s, __loc); }
1785
1786 // Non-standard and unorthodox, yet effective.
1787 catalog
1788 open(const basic_string<char>&, const locale&, const char*) const;
1789
1790 string_type
1791 get(catalog __c, int __set, int __msgid, const string_type& __s) const
1792 { return this->do_get(__c, __set, __msgid, __s); }
1793
1794 void
1795 close(catalog __c) const
1796 { return this->do_close(__c); }
1797
1798 protected:
1799 virtual
1800 ~messages();
1801
1802 virtual catalog
1803 do_open(const basic_string<char>&, const locale&) const;
1804
1805 virtual string_type
1806 do_get(catalog, int, int, const string_type& __dfault) const;
1807
1808 virtual void
1809 do_close(catalog) const;
1810
1811 // Returns a locale and codeset-converted string, given a char* message.
1812 char*
1813 _M_convert_to_char(const string_type& __msg) const
1814 {
1815 // XXX
1816 return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str()));
1817 }
1818
1819 // Returns a locale and codeset-converted string, given a char* message.
1820 string_type
1821 _M_convert_from_char(char* __msg) const
1822 {
1823 // Length of message string without terminating null.
1824 size_t __len = char_traits<char>::length(__msg) - 1;
1825
1826 // "everybody can easily convert the string using
1827 // mbsrtowcs/wcsrtombs or with iconv()"
1828 #if 0
1829 // Convert char* to _CharT in locale used to open catalog.
1830 // XXX need additional template parameter on messages class for this..
1831 // typedef typename codecvt<char, _CharT, _StateT> __codecvt_type;
1832 typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type;
1833
1834 __codecvt_type::state_type __state;
1835 // XXX may need to initialize state.
1836 //initialize_state(__state._M_init());
1837
1838 char* __from_next;
1839 // XXX what size for this string?
1840 _CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1));
1841 const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv);
1842 __cvt.out(__state, __msg, __msg + __len, __from_next,
1843 __to, __to + __len + 1, __to_next);
1844 return string_type(__to);
1845 #endif
1846 #if 0
1847 typedef ctype<_CharT> __ctype_type;
1848 // const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg);
1849 const __ctype_type& __cvt = use_facet<__ctype_type>(locale());
1850 // XXX Again, proper length of converted string an issue here.
1851 // For now, assume the converted length is not larger.
1852 _CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1));
1853 __cvt.widen(__msg, __msg + __len, __dest);
1854 return basic_string<_CharT>(__dest);
1855 #endif
1856 return string_type();
1857 }
1858 };
1859
1860 template<typename _CharT>
1861 locale::id messages<_CharT>::id;
1862
1863 // Specializations for required instantiations.
1864 template<>
1865 string
1866 messages<char>::do_get(catalog, int, int, const string&) const;
1867
1868 #ifdef _GLIBCPP_USE_WCHAR_T
1869 template<>
1870 wstring
1871 messages<wchar_t>::do_get(catalog, int, int, const wstring&) const;
1872 #endif
1873
1874 template<typename _CharT>
1875 class messages_byname : public messages<_CharT>
1876 {
1877 public:
1878 typedef _CharT char_type;
1879 typedef basic_string<_CharT> string_type;
1880
1881 explicit
1882 messages_byname(const char* __s, size_t __refs = 0);
1883
1884 protected:
1885 virtual
1886 ~messages_byname()
1887 { }
1888 };
1889
1890 // Include host and configuration specific messages functions.
1891 #include <bits/messages_members.h>
1892
1893
1894 // Subclause convenience interfaces, inlines.
1895 // NB: These are inline because, when used in a loop, some compilers
1896 // can hoist the body out of the loop; then it's just as fast as the
1897 // C is*() function.
1898 template<typename _CharT>
1899 inline bool
1900 isspace(_CharT __c, const locale& __loc)
1901 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); }
1902
1903 template<typename _CharT>
1904 inline bool
1905 isprint(_CharT __c, const locale& __loc)
1906 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); }
1907
1908 template<typename _CharT>
1909 inline bool
1910 iscntrl(_CharT __c, const locale& __loc)
1911 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); }
1912
1913 template<typename _CharT>
1914 inline bool
1915 isupper(_CharT __c, const locale& __loc)
1916 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); }
1917
1918 template<typename _CharT>
1919 inline bool islower(_CharT __c, const locale& __loc)
1920 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); }
1921
1922 template<typename _CharT>
1923 inline bool
1924 isalpha(_CharT __c, const locale& __loc)
1925 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); }
1926
1927 template<typename _CharT>
1928 inline bool
1929 isdigit(_CharT __c, const locale& __loc)
1930 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); }
1931
1932 template<typename _CharT>
1933 inline bool
1934 ispunct(_CharT __c, const locale& __loc)
1935 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); }
1936
1937 template<typename _CharT>
1938 inline bool
1939 isxdigit(_CharT __c, const locale& __loc)
1940 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); }
1941
1942 template<typename _CharT>
1943 inline bool
1944 isalnum(_CharT __c, const locale& __loc)
1945 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); }
1946
1947 template<typename _CharT>
1948 inline bool
1949 isgraph(_CharT __c, const locale& __loc)
1950 { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); }
1951
1952 template<typename _CharT>
1953 inline _CharT
1954 toupper(_CharT __c, const locale& __loc)
1955 { return use_facet<ctype<_CharT> >(__loc).toupper(__c); }
1956
1957 template<typename _CharT>
1958 inline _CharT
1959 tolower(_CharT __c, const locale& __loc)
1960 { return use_facet<ctype<_CharT> >(__loc).tolower(__c); }
1961
1962 /**
1963 * @if maint
1964 * __locale_cache objects hold information extracted from facets in
1965 * a form optimized for parsing and formatting. They are stored in
1966 * a locale's facet array and accessed via __use_cache<_Facet>.
1967 *
1968 * The intent twofold: to avoid the costs of creating a locale
1969 * object and to avoid calling the virtual functions in a locale's
1970 * facet to look up data.
1971 * @endif
1972 */
1973 class __locale_cache_base
1974 {
1975 friend class std::locale::_Impl;
1976 friend class locale;
1977
1978 public:
1979 virtual
1980 ~__locale_cache_base() { }
1981
1982 };
1983
1984 // This template doesn't really get used for anything except a
1985 // placeholder for specializations
1986 template<typename _Facet>
1987 class __locale_cache : public __locale_cache_base
1988 {
1989 // ctor
1990 __locale_cache(const locale&) {}
1991 };
1992
1993 template<typename _CharT>
1994 class __locale_cache<numpunct<_CharT> > : public __locale_cache_base
1995 {
1996 // Types:
1997 typedef _CharT char_type;
1998 typedef char_traits<_CharT> traits_type;
1999 typedef basic_string<_CharT> string_type;
2000
2001 public:
2002 // Data Members:
2003
2004 // The sign used to separate decimal values: for standard US
2005 // locales, this would usually be: "." Abstracted from
2006 // numpunct::decimal_point().
2007 _CharT _M_decimal_point;
2008
2009 // The sign used to separate groups of digits into smaller
2010 // strings that the eye can parse with less difficulty: for
2011 // standard US locales, this would usually be: "," Abstracted
2012 // from numpunct::thousands_sep().
2013 _CharT _M_thousands_sep;
2014
2015 // However the US's "false" and "true" are translated. From
2016 // numpunct::truename() and numpunct::falsename(), respectively.
2017 const _CharT* _M_truename;
2018 const _CharT* _M_falsename;
2019
2020 // If we are checking groupings. This should be equivalent to
2021 // numpunct::groupings().size() != 0
2022 bool _M_use_grouping;
2023
2024 // If we are using numpunct's groupings, this is the current
2025 // grouping string in effect (from numpunct::grouping()).
2026 const char* _M_grouping;
2027
2028 // A list of valid numeric literals: for the standard "C"
2029 // locale, this is "-+xX0123456789abcdef0123456789ABCDEF". This
2030 // array contains the chars after having been passed through the
2031 // current locale's ctype<_CharT>.widen().
2032
2033 // Copied here from __locale_cache<ctype> to save multiple cache
2034 // access in num_put functions.
2035 _CharT _M_atoms_out[__num_base::_S_end];
2036
2037 // ctor
2038 __locale_cache(const locale& __loc);
2039 __locale_cache(const locale& __loc, bool);
2040
2041 ~__locale_cache()
2042 {
2043 delete [] _M_truename;
2044 delete [] _M_falsename;
2045 delete [] _M_grouping;
2046 }
2047 };
2048 } // namespace std
2049
2050 #endif
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