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725dc051 BK |
1 | // Locale support -*- C++ -*- |
2 | ||
82ce2a94 | 3 | // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 |
4b9aaf63 | 4 | // Free Software Foundation, Inc. |
725dc051 BK |
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 | |
83f51799 | 19 | // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
725dc051 BK |
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 | ||
729e3d3f PE |
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 | */ | |
725dc051 | 39 | |
3d7c150e BK |
40 | #ifndef _LOCALE_FACETS_H |
41 | #define _LOCALE_FACETS_H 1 | |
725dc051 | 42 | |
b0a85b86 GDR |
43 | #pragma GCC system_header |
44 | ||
54c1bf78 | 45 | #include <ctime> // For struct tm |
d3a193e3 | 46 | #include <cwctype> // For wctype_t |
e6686813 BK |
47 | #include <iosfwd> |
48 | #include <bits/ios_base.h> // For ios_base, ios_base::iostate | |
49 | #include <streambuf> | |
725dc051 | 50 | |
3cbc7af0 BK |
51 | _GLIBCXX_BEGIN_NAMESPACE(std) |
52 | ||
d3a193e3 | 53 | // NB: Don't instantiate required wchar_t facets if no wchar_t support. |
3d7c150e BK |
54 | #ifdef _GLIBCXX_USE_WCHAR_T |
55 | # define _GLIBCXX_NUM_FACETS 28 | |
d3a193e3 | 56 | #else |
3d7c150e | 57 | # define _GLIBCXX_NUM_FACETS 14 |
d3a193e3 BK |
58 | #endif |
59 | ||
ed6814f7 | 60 | // Convert string to numeric value of type _Tv and store results. |
e6686813 BK |
61 | // NB: This is specialized for all required types, there is no |
62 | // generic definition. | |
63 | template<typename _Tv> | |
64 | void | |
ed6814f7 | 65 | __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err, |
0fa96a60 | 66 | const __c_locale& __cloc); |
e6686813 BK |
67 | |
68 | // Explicit specializations for required types. | |
e6686813 BK |
69 | template<> |
70 | void | |
ed6814f7 | 71 | __convert_to_v(const char*, float&, ios_base::iostate&, |
0fa96a60 | 72 | const __c_locale&); |
e6686813 BK |
73 | |
74 | template<> | |
75 | void | |
ed6814f7 | 76 | __convert_to_v(const char*, double&, ios_base::iostate&, |
0fa96a60 | 77 | const __c_locale&); |
e6686813 | 78 | |
0fa96a60 | 79 | template<> |
e6686813 | 80 | void |
ed6814f7 | 81 | __convert_to_v(const char*, long double&, ios_base::iostate&, |
0fa96a60 | 82 | const __c_locale&); |
e6686813 | 83 | |
2e2a38cd BK |
84 | // NB: __pad is a struct, rather than a function, so it can be |
85 | // partially-specialized. | |
f13a69ec | 86 | template<typename _CharT, typename _Traits> |
e6686813 BK |
87 | struct __pad |
88 | { | |
89 | static void | |
ed6814f7 BI |
90 | _S_pad(ios_base& __io, _CharT __fill, _CharT* __news, |
91 | const _CharT* __olds, const streamsize __newlen, | |
e6686813 BK |
92 | const streamsize __oldlen, const bool __num); |
93 | }; | |
94 | ||
2e2a38cd BK |
95 | // Used by both numeric and monetary facets. |
96 | // Inserts "group separator" characters into an array of characters. | |
97 | // It's recursive, one iteration per group. It moves the characters | |
98 | // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this | |
47f62b27 | 99 | // only with __glen != 0. |
e6686813 BK |
100 | template<typename _CharT> |
101 | _CharT* | |
ed6814f7 BI |
102 | __add_grouping(_CharT* __s, _CharT __sep, |
103 | const char* __gbeg, size_t __gsize, | |
e6686813 | 104 | const _CharT* __first, const _CharT* __last); |
f13a69ec | 105 | |
2e2a38cd BK |
106 | // This template permits specializing facet output code for |
107 | // ostreambuf_iterator. For ostreambuf_iterator, sputn is | |
108 | // significantly more efficient than incrementing iterators. | |
109 | template<typename _CharT> | |
110 | inline | |
111 | ostreambuf_iterator<_CharT> | |
112 | __write(ostreambuf_iterator<_CharT> __s, const _CharT* __ws, int __len) | |
113 | { | |
114 | __s._M_put(__ws, __len); | |
115 | return __s; | |
116 | } | |
117 | ||
118 | // This is the unspecialized form of the template. | |
119 | template<typename _CharT, typename _OutIter> | |
120 | inline | |
121 | _OutIter | |
122 | __write(_OutIter __s, const _CharT* __ws, int __len) | |
123 | { | |
124 | for (int __j = 0; __j < __len; __j++, ++__s) | |
125 | *__s = __ws[__j]; | |
126 | return __s; | |
127 | } | |
128 | ||
6067bea4 | 129 | |
0a31609b | 130 | // 22.2.1.1 Template class ctype |
33590f13 | 131 | // Include host and configuration specific ctype enums for ctype_base. |
725dc051 BK |
132 | #include <bits/ctype_base.h> |
133 | ||
ed6814f7 | 134 | // Common base for ctype<_CharT>. |
2dbd0234 JQ |
135 | /** |
136 | * @brief Common base for ctype facet | |
137 | * | |
138 | * This template class provides implementations of the public functions | |
139 | * that forward to the protected virtual functions. | |
140 | * | |
141 | * This template also provides abtract stubs for the protected virtual | |
142 | * functions. | |
143 | */ | |
725dc051 | 144 | template<typename _CharT> |
167ed88f | 145 | class __ctype_abstract_base : public locale::facet, public ctype_base |
725dc051 BK |
146 | { |
147 | public: | |
148 | // Types: | |
2dbd0234 | 149 | /// Typedef for the template parameter |
725dc051 BK |
150 | typedef _CharT char_type; |
151 | ||
2dbd0234 JQ |
152 | /** |
153 | * @brief Test char_type classification. | |
154 | * | |
155 | * This function finds a mask M for @a c and compares it to mask @a m. | |
156 | * It does so by returning the value of ctype<char_type>::do_is(). | |
157 | * | |
158 | * @param c The char_type to compare the mask of. | |
159 | * @param m The mask to compare against. | |
160 | * @return (M & m) != 0. | |
161 | */ | |
ed6814f7 | 162 | bool |
167ed88f BK |
163 | is(mask __m, char_type __c) const |
164 | { return this->do_is(__m, __c); } | |
165 | ||
2dbd0234 JQ |
166 | /** |
167 | * @brief Return a mask array. | |
168 | * | |
169 | * This function finds the mask for each char_type in the range [lo,hi) | |
170 | * and successively writes it to vec. vec must have as many elements | |
171 | * as the char array. It does so by returning the value of | |
172 | * ctype<char_type>::do_is(). | |
173 | * | |
174 | * @param lo Pointer to start of range. | |
175 | * @param hi Pointer to end of range. | |
176 | * @param vec Pointer to an array of mask storage. | |
177 | * @return @a hi. | |
178 | */ | |
167ed88f | 179 | const char_type* |
ed6814f7 | 180 | is(const char_type *__lo, const char_type *__hi, mask *__vec) const |
167ed88f BK |
181 | { return this->do_is(__lo, __hi, __vec); } |
182 | ||
2dbd0234 JQ |
183 | /** |
184 | * @brief Find char_type matching a mask | |
185 | * | |
186 | * This function searches for and returns the first char_type c in | |
187 | * [lo,hi) for which is(m,c) is true. It does so by returning | |
188 | * ctype<char_type>::do_scan_is(). | |
189 | * | |
190 | * @param m The mask to compare against. | |
191 | * @param lo Pointer to start of range. | |
192 | * @param hi Pointer to end of range. | |
193 | * @return Pointer to matching char_type if found, else @a hi. | |
194 | */ | |
167ed88f BK |
195 | const char_type* |
196 | scan_is(mask __m, const char_type* __lo, const char_type* __hi) const | |
197 | { return this->do_scan_is(__m, __lo, __hi); } | |
198 | ||
2dbd0234 JQ |
199 | /** |
200 | * @brief Find char_type not matching a mask | |
201 | * | |
202 | * This function searches for and returns the first char_type c in | |
203 | * [lo,hi) for which is(m,c) is false. It does so by returning | |
204 | * ctype<char_type>::do_scan_not(). | |
205 | * | |
206 | * @param m The mask to compare against. | |
207 | * @param lo Pointer to first char in range. | |
208 | * @param hi Pointer to end of range. | |
209 | * @return Pointer to non-matching char if found, else @a hi. | |
210 | */ | |
167ed88f BK |
211 | const char_type* |
212 | scan_not(mask __m, const char_type* __lo, const char_type* __hi) const | |
213 | { return this->do_scan_not(__m, __lo, __hi); } | |
214 | ||
2dbd0234 JQ |
215 | /** |
216 | * @brief Convert to uppercase. | |
217 | * | |
218 | * This function converts the argument to uppercase if possible. | |
219 | * If not possible (for example, '2'), returns the argument. It does | |
220 | * so by returning ctype<char_type>::do_toupper(). | |
221 | * | |
222 | * @param c The char_type to convert. | |
223 | * @return The uppercase char_type if convertible, else @a c. | |
224 | */ | |
ed6814f7 | 225 | char_type |
725dc051 BK |
226 | toupper(char_type __c) const |
227 | { return this->do_toupper(__c); } | |
228 | ||
2dbd0234 JQ |
229 | /** |
230 | * @brief Convert array to uppercase. | |
231 | * | |
232 | * This function converts each char_type in the range [lo,hi) to | |
233 | * uppercase if possible. Other elements remain untouched. It does so | |
234 | * by returning ctype<char_type>:: do_toupper(lo, hi). | |
235 | * | |
236 | * @param lo Pointer to start of range. | |
237 | * @param hi Pointer to end of range. | |
238 | * @return @a hi. | |
239 | */ | |
725dc051 | 240 | const char_type* |
fdf1b60d BK |
241 | toupper(char_type *__lo, const char_type* __hi) const |
242 | { return this->do_toupper(__lo, __hi); } | |
725dc051 | 243 | |
2dbd0234 JQ |
244 | /** |
245 | * @brief Convert to lowercase. | |
246 | * | |
247 | * This function converts the argument to lowercase if possible. If | |
248 | * not possible (for example, '2'), returns the argument. It does so | |
249 | * by returning ctype<char_type>::do_tolower(c). | |
250 | * | |
251 | * @param c The char_type to convert. | |
252 | * @return The lowercase char_type if convertible, else @a c. | |
253 | */ | |
254 | char_type | |
725dc051 BK |
255 | tolower(char_type __c) const |
256 | { return this->do_tolower(__c); } | |
257 | ||
2dbd0234 JQ |
258 | /** |
259 | * @brief Convert array to lowercase. | |
260 | * | |
261 | * This function converts each char_type in the range [lo,hi) to | |
262 | * lowercase if possible. Other elements remain untouched. It does so | |
263 | * by returning ctype<char_type>:: do_tolower(lo, hi). | |
264 | * | |
265 | * @param lo Pointer to start of range. | |
266 | * @param hi Pointer to end of range. | |
267 | * @return @a hi. | |
268 | */ | |
725dc051 | 269 | const char_type* |
fdf1b60d BK |
270 | tolower(char_type* __lo, const char_type* __hi) const |
271 | { return this->do_tolower(__lo, __hi); } | |
725dc051 | 272 | |
2dbd0234 JQ |
273 | /** |
274 | * @brief Widen char to char_type | |
275 | * | |
276 | * This function converts the char argument to char_type using the | |
277 | * simplest reasonable transformation. It does so by returning | |
278 | * ctype<char_type>::do_widen(c). | |
279 | * | |
280 | * Note: this is not what you want for codepage conversions. See | |
281 | * codecvt for that. | |
282 | * | |
283 | * @param c The char to convert. | |
284 | * @return The converted char_type. | |
285 | */ | |
286 | char_type | |
725dc051 BK |
287 | widen(char __c) const |
288 | { return this->do_widen(__c); } | |
289 | ||
2dbd0234 JQ |
290 | /** |
291 | * @brief Widen array to char_type | |
292 | * | |
293 | * This function converts each char in the input to char_type using the | |
294 | * simplest reasonable transformation. It does so by returning | |
295 | * ctype<char_type>::do_widen(c). | |
296 | * | |
297 | * Note: this is not what you want for codepage conversions. See | |
298 | * codecvt for that. | |
299 | * | |
300 | * @param lo Pointer to start of range. | |
301 | * @param hi Pointer to end of range. | |
302 | * @param to Pointer to the destination array. | |
303 | * @return @a hi. | |
304 | */ | |
725dc051 | 305 | const char* |
fdf1b60d BK |
306 | widen(const char* __lo, const char* __hi, char_type* __to) const |
307 | { return this->do_widen(__lo, __hi, __to); } | |
725dc051 | 308 | |
2dbd0234 JQ |
309 | /** |
310 | * @brief Narrow char_type to char | |
311 | * | |
312 | * This function converts the char_type to char using the simplest | |
313 | * reasonable transformation. If the conversion fails, dfault is | |
314 | * returned instead. It does so by returning | |
315 | * ctype<char_type>::do_narrow(c). | |
316 | * | |
317 | * Note: this is not what you want for codepage conversions. See | |
318 | * codecvt for that. | |
319 | * | |
320 | * @param c The char_type to convert. | |
321 | * @param dfault Char to return if conversion fails. | |
322 | * @return The converted char. | |
323 | */ | |
ed6814f7 | 324 | char |
725dc051 BK |
325 | narrow(char_type __c, char __dfault) const |
326 | { return this->do_narrow(__c, __dfault); } | |
327 | ||
2dbd0234 JQ |
328 | /** |
329 | * @brief Narrow array to char array | |
330 | * | |
331 | * This function converts each char_type in the input to char using the | |
332 | * simplest reasonable transformation and writes the results to the | |
333 | * destination array. For any char_type in the input that cannot be | |
334 | * converted, @a dfault is used instead. It does so by returning | |
335 | * ctype<char_type>::do_narrow(lo, hi, dfault, to). | |
336 | * | |
337 | * Note: this is not what you want for codepage conversions. See | |
338 | * codecvt for that. | |
339 | * | |
340 | * @param lo Pointer to start of range. | |
341 | * @param hi Pointer to end of range. | |
342 | * @param dfault Char to use if conversion fails. | |
343 | * @param to Pointer to the destination array. | |
344 | * @return @a hi. | |
345 | */ | |
725dc051 | 346 | const char_type* |
fdf1b60d | 347 | narrow(const char_type* __lo, const char_type* __hi, |
725dc051 | 348 | char __dfault, char *__to) const |
fdf1b60d | 349 | { return this->do_narrow(__lo, __hi, __dfault, __to); } |
725dc051 BK |
350 | |
351 | protected: | |
ed6814f7 | 352 | explicit |
fea4065d | 353 | __ctype_abstract_base(size_t __refs = 0): facet(__refs) { } |
725dc051 | 354 | |
ed6814f7 | 355 | virtual |
167ed88f | 356 | ~__ctype_abstract_base() { } |
ed6814f7 | 357 | |
2dbd0234 JQ |
358 | /** |
359 | * @brief Test char_type classification. | |
360 | * | |
361 | * This function finds a mask M for @a c and compares it to mask @a m. | |
362 | * | |
363 | * do_is() is a hook for a derived facet to change the behavior of | |
364 | * classifying. do_is() must always return the same result for the | |
365 | * same input. | |
366 | * | |
367 | * @param c The char_type to find the mask of. | |
368 | * @param m The mask to compare against. | |
369 | * @return (M & m) != 0. | |
370 | */ | |
371 | virtual bool | |
167ed88f BK |
372 | do_is(mask __m, char_type __c) const = 0; |
373 | ||
2dbd0234 JQ |
374 | /** |
375 | * @brief Return a mask array. | |
376 | * | |
377 | * This function finds the mask for each char_type in the range [lo,hi) | |
378 | * and successively writes it to vec. vec must have as many elements | |
379 | * as the input. | |
380 | * | |
381 | * do_is() is a hook for a derived facet to change the behavior of | |
382 | * classifying. do_is() must always return the same result for the | |
383 | * same input. | |
384 | * | |
385 | * @param lo Pointer to start of range. | |
386 | * @param hi Pointer to end of range. | |
387 | * @param vec Pointer to an array of mask storage. | |
388 | * @return @a hi. | |
389 | */ | |
167ed88f | 390 | virtual const char_type* |
ed6814f7 | 391 | do_is(const char_type* __lo, const char_type* __hi, |
167ed88f BK |
392 | mask* __vec) const = 0; |
393 | ||
2dbd0234 JQ |
394 | /** |
395 | * @brief Find char_type matching mask | |
396 | * | |
397 | * This function searches for and returns the first char_type c in | |
398 | * [lo,hi) for which is(m,c) is true. | |
399 | * | |
400 | * do_scan_is() is a hook for a derived facet to change the behavior of | |
401 | * match searching. do_is() must always return the same result for the | |
402 | * same input. | |
403 | * | |
404 | * @param m The mask to compare against. | |
405 | * @param lo Pointer to start of range. | |
406 | * @param hi Pointer to end of range. | |
407 | * @return Pointer to a matching char_type if found, else @a hi. | |
408 | */ | |
167ed88f | 409 | virtual const char_type* |
fdf1b60d | 410 | do_scan_is(mask __m, const char_type* __lo, |
167ed88f BK |
411 | const char_type* __hi) const = 0; |
412 | ||
2dbd0234 JQ |
413 | /** |
414 | * @brief Find char_type not matching mask | |
415 | * | |
416 | * This function searches for and returns a pointer to the first | |
417 | * char_type c of [lo,hi) for which is(m,c) is false. | |
418 | * | |
419 | * do_scan_is() is a hook for a derived facet to change the behavior of | |
420 | * match searching. do_is() must always return the same result for the | |
421 | * same input. | |
422 | * | |
423 | * @param m The mask to compare against. | |
424 | * @param lo Pointer to start of range. | |
425 | * @param hi Pointer to end of range. | |
426 | * @return Pointer to a non-matching char_type if found, else @a hi. | |
427 | */ | |
167ed88f | 428 | virtual const char_type* |
ed6814f7 | 429 | do_scan_not(mask __m, const char_type* __lo, |
167ed88f BK |
430 | const char_type* __hi) const = 0; |
431 | ||
2dbd0234 JQ |
432 | /** |
433 | * @brief Convert to uppercase. | |
434 | * | |
435 | * This virtual function converts the char_type argument to uppercase | |
436 | * if possible. If not possible (for example, '2'), returns the | |
437 | * argument. | |
438 | * | |
439 | * do_toupper() is a hook for a derived facet to change the behavior of | |
440 | * uppercasing. do_toupper() must always return the same result for | |
441 | * the same input. | |
442 | * | |
443 | * @param c The char_type to convert. | |
444 | * @return The uppercase char_type if convertible, else @a c. | |
445 | */ | |
ed6814f7 | 446 | virtual char_type |
725dc051 BK |
447 | do_toupper(char_type) const = 0; |
448 | ||
2dbd0234 JQ |
449 | /** |
450 | * @brief Convert array to uppercase. | |
451 | * | |
452 | * This virtual function converts each char_type in the range [lo,hi) | |
453 | * to uppercase if possible. Other elements remain untouched. | |
454 | * | |
455 | * do_toupper() is a hook for a derived facet to change the behavior of | |
456 | * uppercasing. do_toupper() must always return the same result for | |
457 | * the same input. | |
458 | * | |
459 | * @param lo Pointer to start of range. | |
460 | * @param hi Pointer to end of range. | |
461 | * @return @a hi. | |
462 | */ | |
725dc051 | 463 | virtual const char_type* |
fdf1b60d | 464 | do_toupper(char_type* __lo, const char_type* __hi) const = 0; |
725dc051 | 465 | |
2dbd0234 JQ |
466 | /** |
467 | * @brief Convert to lowercase. | |
468 | * | |
469 | * This virtual function converts the argument to lowercase if | |
470 | * possible. If not possible (for example, '2'), returns the argument. | |
471 | * | |
472 | * do_tolower() is a hook for a derived facet to change the behavior of | |
473 | * lowercasing. do_tolower() must always return the same result for | |
474 | * the same input. | |
475 | * | |
476 | * @param c The char_type to convert. | |
477 | * @return The lowercase char_type if convertible, else @a c. | |
478 | */ | |
479 | virtual char_type | |
725dc051 BK |
480 | do_tolower(char_type) const = 0; |
481 | ||
2dbd0234 JQ |
482 | /** |
483 | * @brief Convert array to lowercase. | |
484 | * | |
485 | * This virtual function converts each char_type in the range [lo,hi) | |
486 | * to lowercase if possible. Other elements remain untouched. | |
487 | * | |
488 | * do_tolower() is a hook for a derived facet to change the behavior of | |
489 | * lowercasing. do_tolower() must always return the same result for | |
490 | * the same input. | |
491 | * | |
492 | * @param lo Pointer to start of range. | |
493 | * @param hi Pointer to end of range. | |
494 | * @return @a hi. | |
495 | */ | |
725dc051 | 496 | virtual const char_type* |
fdf1b60d | 497 | do_tolower(char_type* __lo, const char_type* __hi) const = 0; |
ed6814f7 | 498 | |
2dbd0234 JQ |
499 | /** |
500 | * @brief Widen char | |
501 | * | |
502 | * This virtual function converts the char to char_type using the | |
503 | * simplest reasonable transformation. | |
504 | * | |
505 | * do_widen() is a hook for a derived facet to change the behavior of | |
506 | * widening. do_widen() must always return the same result for the | |
507 | * same input. | |
508 | * | |
509 | * Note: this is not what you want for codepage conversions. See | |
510 | * codecvt for that. | |
511 | * | |
512 | * @param c The char to convert. | |
513 | * @return The converted char_type | |
514 | */ | |
ed6814f7 | 515 | virtual char_type |
725dc051 BK |
516 | do_widen(char) const = 0; |
517 | ||
2dbd0234 JQ |
518 | /** |
519 | * @brief Widen char array | |
520 | * | |
521 | * This function converts each char in the input to char_type using the | |
522 | * simplest reasonable transformation. | |
523 | * | |
524 | * do_widen() is a hook for a derived facet to change the behavior of | |
525 | * widening. do_widen() must always return the same result for the | |
526 | * same input. | |
527 | * | |
528 | * Note: this is not what you want for codepage conversions. See | |
529 | * codecvt for that. | |
530 | * | |
531 | * @param lo Pointer to start range. | |
532 | * @param hi Pointer to end of range. | |
533 | * @param to Pointer to the destination array. | |
534 | * @return @a hi. | |
535 | */ | |
725dc051 | 536 | virtual const char* |
ed6814f7 | 537 | do_widen(const char* __lo, const char* __hi, |
725dc051 BK |
538 | char_type* __dest) const = 0; |
539 | ||
2dbd0234 JQ |
540 | /** |
541 | * @brief Narrow char_type to char | |
542 | * | |
543 | * This virtual function converts the argument to char using the | |
544 | * simplest reasonable transformation. If the conversion fails, dfault | |
545 | * is returned instead. | |
546 | * | |
547 | * do_narrow() is a hook for a derived facet to change the behavior of | |
548 | * narrowing. do_narrow() must always return the same result for the | |
549 | * same input. | |
550 | * | |
551 | * Note: this is not what you want for codepage conversions. See | |
552 | * codecvt for that. | |
553 | * | |
554 | * @param c The char_type to convert. | |
555 | * @param dfault Char to return if conversion fails. | |
556 | * @return The converted char. | |
557 | */ | |
ed6814f7 | 558 | virtual char |
725dc051 BK |
559 | do_narrow(char_type, char __dfault) const = 0; |
560 | ||
2dbd0234 JQ |
561 | /** |
562 | * @brief Narrow char_type array to char | |
563 | * | |
564 | * This virtual function converts each char_type in the range [lo,hi) to | |
565 | * char using the simplest reasonable transformation and writes the | |
566 | * results to the destination array. For any element in the input that | |
567 | * cannot be converted, @a dfault is used instead. | |
568 | * | |
569 | * do_narrow() is a hook for a derived facet to change the behavior of | |
570 | * narrowing. do_narrow() must always return the same result for the | |
571 | * same input. | |
572 | * | |
573 | * Note: this is not what you want for codepage conversions. See | |
574 | * codecvt for that. | |
575 | * | |
576 | * @param lo Pointer to start of range. | |
577 | * @param hi Pointer to end of range. | |
578 | * @param dfault Char to use if conversion fails. | |
579 | * @param to Pointer to the destination array. | |
580 | * @return @a hi. | |
581 | */ | |
725dc051 | 582 | virtual const char_type* |
fdf1b60d | 583 | do_narrow(const char_type* __lo, const char_type* __hi, |
9a1349b9 | 584 | char __dfault, char* __dest) const = 0; |
725dc051 BK |
585 | }; |
586 | ||
167ed88f | 587 | // NB: Generic, mostly useless implementation. |
2dbd0234 JQ |
588 | /** |
589 | * @brief Template ctype facet | |
590 | * | |
591 | * This template class defines classification and conversion functions for | |
592 | * character sets. It wraps <cctype> functionality. Ctype gets used by | |
593 | * streams for many I/O operations. | |
594 | * | |
595 | * This template provides the protected virtual functions the developer | |
596 | * will have to replace in a derived class or specialization to make a | |
597 | * working facet. The public functions that access them are defined in | |
598 | * __ctype_abstract_base, to allow for implementation flexibility. See | |
599 | * ctype<wchar_t> for an example. The functions are documented in | |
600 | * __ctype_abstract_base. | |
601 | * | |
602 | * Note: implementations are provided for all the protected virtual | |
603 | * functions, but will likely not be useful. | |
604 | */ | |
725dc051 | 605 | template<typename _CharT> |
167ed88f | 606 | class ctype : public __ctype_abstract_base<_CharT> |
725dc051 BK |
607 | { |
608 | public: | |
609 | // Types: | |
ed6814f7 | 610 | typedef _CharT char_type; |
f88e4715 | 611 | typedef typename __ctype_abstract_base<_CharT>::mask mask; |
725dc051 | 612 | |
2dbd0234 | 613 | /// The facet id for ctype<char_type> |
ed6814f7 | 614 | static locale::id id; |
d3a193e3 | 615 | |
ed6814f7 | 616 | explicit |
167ed88f | 617 | ctype(size_t __refs = 0) : __ctype_abstract_base<_CharT>(__refs) { } |
725dc051 | 618 | |
725dc051 | 619 | protected: |
ed6814f7 | 620 | virtual |
9e5c7dba | 621 | ~ctype(); |
fdf1b60d | 622 | |
ed6814f7 | 623 | virtual bool |
9e5c7dba | 624 | do_is(mask __m, char_type __c) const; |
fdf1b60d BK |
625 | |
626 | virtual const char_type* | |
9e5c7dba | 627 | do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const; |
fdf1b60d BK |
628 | |
629 | virtual const char_type* | |
9e5c7dba | 630 | do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const; |
fdf1b60d BK |
631 | |
632 | virtual const char_type* | |
633 | do_scan_not(mask __m, const char_type* __lo, | |
9e5c7dba | 634 | const char_type* __hi) const; |
fdf1b60d | 635 | |
ed6814f7 | 636 | virtual char_type |
9e5c7dba | 637 | do_toupper(char_type __c) const; |
fdf1b60d BK |
638 | |
639 | virtual const char_type* | |
9e5c7dba | 640 | do_toupper(char_type* __lo, const char_type* __hi) const; |
fdf1b60d | 641 | |
ed6814f7 | 642 | virtual char_type |
9e5c7dba | 643 | do_tolower(char_type __c) const; |
fdf1b60d BK |
644 | |
645 | virtual const char_type* | |
9e5c7dba BK |
646 | do_tolower(char_type* __lo, const char_type* __hi) const; |
647 | ||
ed6814f7 | 648 | virtual char_type |
9e5c7dba | 649 | do_widen(char __c) const; |
fdf1b60d BK |
650 | |
651 | virtual const char* | |
9e5c7dba | 652 | do_widen(const char* __lo, const char* __hi, char_type* __dest) const; |
fdf1b60d | 653 | |
ed6814f7 | 654 | virtual char |
9e5c7dba | 655 | do_narrow(char_type, char __dfault) const; |
fdf1b60d BK |
656 | |
657 | virtual const char_type* | |
658 | do_narrow(const char_type* __lo, const char_type* __hi, | |
9e5c7dba | 659 | char __dfault, char* __dest) const; |
725dc051 BK |
660 | }; |
661 | ||
0a31609b BK |
662 | template<typename _CharT> |
663 | locale::id ctype<_CharT>::id; | |
664 | ||
9e5c7dba | 665 | // 22.2.1.3 ctype<char> specialization. |
2dbd0234 JQ |
666 | /** |
667 | * @brief The ctype<char> specialization. | |
668 | * | |
669 | * This class defines classification and conversion functions for | |
670 | * the char type. It gets used by char streams for many I/O | |
671 | * operations. The char specialization provides a number of | |
672 | * optimizations as well. | |
673 | */ | |
725dc051 | 674 | template<> |
82c2e3d4 | 675 | class ctype<char> : public locale::facet, public ctype_base |
725dc051 BK |
676 | { |
677 | public: | |
678 | // Types: | |
2dbd0234 | 679 | /// Typedef for the template parameter char. |
ed6814f7 | 680 | typedef char char_type; |
725dc051 | 681 | |
def9790d | 682 | protected: |
725dc051 | 683 | // Data Members: |
def9790d | 684 | __c_locale _M_c_locale_ctype; |
ed6814f7 BI |
685 | bool _M_del; |
686 | __to_type _M_toupper; | |
687 | __to_type _M_tolower; | |
688 | const mask* _M_table; | |
3fc63c15 JQ |
689 | mutable char _M_widen_ok; |
690 | mutable char _M_widen[1 + static_cast<unsigned char>(-1)]; | |
691 | mutable char _M_narrow[1 + static_cast<unsigned char>(-1)]; | |
692 | mutable char _M_narrow_ok; // 0 uninitialized, 1 init, | |
82ce2a94 | 693 | // 2 memcpy can't be used |
ed6814f7 | 694 | |
725dc051 | 695 | public: |
2dbd0234 | 696 | /// The facet id for ctype<char> |
725dc051 | 697 | static locale::id id; |
2dbd0234 | 698 | /// The size of the mask table. It is SCHAR_MAX + 1. |
725dc051 BK |
699 | static const size_t table_size = 1 + static_cast<unsigned char>(-1); |
700 | ||
2dbd0234 JQ |
701 | /** |
702 | * @brief Constructor performs initialization. | |
703 | * | |
704 | * This is the constructor provided by the standard. | |
705 | * | |
706 | * @param table If non-zero, table is used as the per-char mask. | |
707 | * Else classic_table() is used. | |
708 | * @param del If true, passes ownership of table to this facet. | |
709 | * @param refs Passed to the base facet class. | |
710 | */ | |
ed6814f7 | 711 | explicit |
725dc051 BK |
712 | ctype(const mask* __table = 0, bool __del = false, size_t __refs = 0); |
713 | ||
2dbd0234 JQ |
714 | /** |
715 | * @brief Constructor performs static initialization. | |
716 | * | |
717 | * This constructor is used to construct the initial C locale facet. | |
718 | * | |
719 | * @param cloc Handle to C locale data. | |
720 | * @param table If non-zero, table is used as the per-char mask. | |
721 | * @param del If true, passes ownership of table to this facet. | |
722 | * @param refs Passed to the base facet class. | |
723 | */ | |
ed6814f7 BI |
724 | explicit |
725 | ctype(__c_locale __cloc, const mask* __table = 0, bool __del = false, | |
9e5c7dba BK |
726 | size_t __refs = 0); |
727 | ||
2dbd0234 JQ |
728 | /** |
729 | * @brief Test char classification. | |
730 | * | |
731 | * This function compares the mask table[c] to @a m. | |
732 | * | |
733 | * @param c The char to compare the mask of. | |
734 | * @param m The mask to compare against. | |
735 | * @return True if m & table[c] is true, false otherwise. | |
736 | */ | |
737 | inline bool | |
65b66e1f | 738 | is(mask __m, char __c) const; |
ed6814f7 | 739 | |
2dbd0234 JQ |
740 | /** |
741 | * @brief Return a mask array. | |
742 | * | |
743 | * This function finds the mask for each char in the range [lo, hi) and | |
744 | * successively writes it to vec. vec must have as many elements as | |
745 | * the char array. | |
746 | * | |
747 | * @param lo Pointer to start of range. | |
748 | * @param hi Pointer to end of range. | |
749 | * @param vec Pointer to an array of mask storage. | |
750 | * @return @a hi. | |
751 | */ | |
725dc051 | 752 | inline const char* |
fdf1b60d | 753 | is(const char* __lo, const char* __hi, mask* __vec) const; |
ed6814f7 | 754 | |
2dbd0234 JQ |
755 | /** |
756 | * @brief Find char matching a mask | |
757 | * | |
758 | * This function searches for and returns the first char in [lo,hi) for | |
759 | * which is(m,char) is true. | |
760 | * | |
761 | * @param m The mask to compare against. | |
762 | * @param lo Pointer to start of range. | |
763 | * @param hi Pointer to end of range. | |
764 | * @return Pointer to a matching char if found, else @a hi. | |
765 | */ | |
725dc051 | 766 | inline const char* |
fdf1b60d | 767 | scan_is(mask __m, const char* __lo, const char* __hi) const; |
725dc051 | 768 | |
2dbd0234 JQ |
769 | /** |
770 | * @brief Find char not matching a mask | |
771 | * | |
772 | * This function searches for and returns a pointer to the first char | |
773 | * in [lo,hi) for which is(m,char) is false. | |
774 | * | |
775 | * @param m The mask to compare against. | |
776 | * @param lo Pointer to start of range. | |
777 | * @param hi Pointer to end of range. | |
778 | * @return Pointer to a non-matching char if found, else @a hi. | |
779 | */ | |
725dc051 | 780 | inline const char* |
fdf1b60d | 781 | scan_not(mask __m, const char* __lo, const char* __hi) const; |
ed6814f7 | 782 | |
2dbd0234 JQ |
783 | /** |
784 | * @brief Convert to uppercase. | |
785 | * | |
786 | * This function converts the char argument to uppercase if possible. | |
787 | * If not possible (for example, '2'), returns the argument. | |
788 | * | |
789 | * toupper() acts as if it returns ctype<char>::do_toupper(c). | |
790 | * do_toupper() must always return the same result for the same input. | |
791 | * | |
792 | * @param c The char to convert. | |
793 | * @return The uppercase char if convertible, else @a c. | |
794 | */ | |
ed6814f7 | 795 | char_type |
82c2e3d4 BK |
796 | toupper(char_type __c) const |
797 | { return this->do_toupper(__c); } | |
798 | ||
2dbd0234 JQ |
799 | /** |
800 | * @brief Convert array to uppercase. | |
801 | * | |
802 | * This function converts each char in the range [lo,hi) to uppercase | |
803 | * if possible. Other chars remain untouched. | |
804 | * | |
805 | * toupper() acts as if it returns ctype<char>:: do_toupper(lo, hi). | |
806 | * do_toupper() must always return the same result for the same input. | |
807 | * | |
808 | * @param lo Pointer to first char in range. | |
809 | * @param hi Pointer to end of range. | |
810 | * @return @a hi. | |
811 | */ | |
82c2e3d4 BK |
812 | const char_type* |
813 | toupper(char_type *__lo, const char_type* __hi) const | |
814 | { return this->do_toupper(__lo, __hi); } | |
815 | ||
2dbd0234 JQ |
816 | /** |
817 | * @brief Convert to lowercase. | |
818 | * | |
819 | * This function converts the char argument to lowercase if possible. | |
820 | * If not possible (for example, '2'), returns the argument. | |
821 | * | |
822 | * tolower() acts as if it returns ctype<char>::do_tolower(c). | |
823 | * do_tolower() must always return the same result for the same input. | |
824 | * | |
825 | * @param c The char to convert. | |
826 | * @return The lowercase char if convertible, else @a c. | |
827 | */ | |
ed6814f7 | 828 | char_type |
82c2e3d4 BK |
829 | tolower(char_type __c) const |
830 | { return this->do_tolower(__c); } | |
831 | ||
2dbd0234 JQ |
832 | /** |
833 | * @brief Convert array to lowercase. | |
834 | * | |
835 | * This function converts each char in the range [lo,hi) to lowercase | |
836 | * if possible. Other chars remain untouched. | |
837 | * | |
838 | * tolower() acts as if it returns ctype<char>:: do_tolower(lo, hi). | |
839 | * do_tolower() must always return the same result for the same input. | |
840 | * | |
841 | * @param lo Pointer to first char in range. | |
842 | * @param hi Pointer to end of range. | |
843 | * @return @a hi. | |
844 | */ | |
82c2e3d4 BK |
845 | const char_type* |
846 | tolower(char_type* __lo, const char_type* __hi) const | |
847 | { return this->do_tolower(__lo, __hi); } | |
848 | ||
2dbd0234 JQ |
849 | /** |
850 | * @brief Widen char | |
851 | * | |
852 | * This function converts the char to char_type using the simplest | |
853 | * reasonable transformation. For an underived ctype<char> facet, the | |
854 | * argument will be returned unchanged. | |
855 | * | |
856 | * This function works as if it returns ctype<char>::do_widen(c). | |
857 | * do_widen() must always return the same result for the same input. | |
858 | * | |
859 | * Note: this is not what you want for codepage conversions. See | |
860 | * codecvt for that. | |
861 | * | |
862 | * @param c The char to convert. | |
863 | * @return The converted character. | |
864 | */ | |
ed6814f7 | 865 | char_type |
82c2e3d4 | 866 | widen(char __c) const |
ed6814f7 | 867 | { |
82ce2a94 PC |
868 | if (_M_widen_ok) |
869 | return _M_widen[static_cast<unsigned char>(__c)]; | |
84cea626 | 870 | this->_M_widen_init(); |
3fc63c15 JQ |
871 | return this->do_widen(__c); |
872 | } | |
82c2e3d4 | 873 | |
2dbd0234 JQ |
874 | /** |
875 | * @brief Widen char array | |
876 | * | |
877 | * This function converts each char in the input to char using the | |
878 | * simplest reasonable transformation. For an underived ctype<char> | |
879 | * facet, the argument will be copied unchanged. | |
880 | * | |
881 | * This function works as if it returns ctype<char>::do_widen(c). | |
882 | * do_widen() must always return the same result for the same input. | |
883 | * | |
884 | * Note: this is not what you want for codepage conversions. See | |
885 | * codecvt for that. | |
886 | * | |
887 | * @param lo Pointer to first char in range. | |
888 | * @param hi Pointer to end of range. | |
889 | * @param to Pointer to the destination array. | |
890 | * @return @a hi. | |
891 | */ | |
82c2e3d4 BK |
892 | const char* |
893 | widen(const char* __lo, const char* __hi, char_type* __to) const | |
3fc63c15 | 894 | { |
84cea626 JQ |
895 | if (_M_widen_ok == 1) |
896 | { | |
897 | memcpy(__to, __lo, __hi - __lo); | |
898 | return __hi; | |
899 | } | |
82ce2a94 PC |
900 | if (!_M_widen_ok) |
901 | _M_widen_init(); | |
3fc63c15 JQ |
902 | return this->do_widen(__lo, __hi, __to); |
903 | } | |
82c2e3d4 | 904 | |
2dbd0234 JQ |
905 | /** |
906 | * @brief Narrow char | |
907 | * | |
908 | * This function converts the char to char using the simplest | |
909 | * reasonable transformation. If the conversion fails, dfault is | |
910 | * returned instead. For an underived ctype<char> facet, @a c | |
911 | * will be returned unchanged. | |
912 | * | |
913 | * This function works as if it returns ctype<char>::do_narrow(c). | |
914 | * do_narrow() must always return the same result for the same input. | |
915 | * | |
916 | * Note: this is not what you want for codepage conversions. See | |
917 | * codecvt for that. | |
918 | * | |
919 | * @param c The char to convert. | |
920 | * @param dfault Char to return if conversion fails. | |
921 | * @return The converted character. | |
922 | */ | |
ed6814f7 | 923 | char |
82c2e3d4 | 924 | narrow(char_type __c, char __dfault) const |
3fc63c15 | 925 | { |
a043b1f5 JQ |
926 | if (_M_narrow[static_cast<unsigned char>(__c)]) |
927 | return _M_narrow[static_cast<unsigned char>(__c)]; | |
9a1349b9 | 928 | const char __t = do_narrow(__c, __dfault); |
82ce2a94 PC |
929 | if (__t != __dfault) |
930 | _M_narrow[static_cast<unsigned char>(__c)] = __t; | |
3fc63c15 JQ |
931 | return __t; |
932 | } | |
82c2e3d4 | 933 | |
2dbd0234 JQ |
934 | /** |
935 | * @brief Narrow char array | |
936 | * | |
937 | * This function converts each char in the input to char using the | |
938 | * simplest reasonable transformation and writes the results to the | |
939 | * destination array. For any char in the input that cannot be | |
940 | * converted, @a dfault is used instead. For an underived ctype<char> | |
941 | * facet, the argument will be copied unchanged. | |
942 | * | |
943 | * This function works as if it returns ctype<char>::do_narrow(lo, hi, | |
944 | * dfault, to). do_narrow() must always return the same result for the | |
945 | * same input. | |
946 | * | |
947 | * Note: this is not what you want for codepage conversions. See | |
948 | * codecvt for that. | |
949 | * | |
950 | * @param lo Pointer to start of range. | |
951 | * @param hi Pointer to end of range. | |
952 | * @param dfault Char to use if conversion fails. | |
953 | * @param to Pointer to the destination array. | |
954 | * @return @a hi. | |
955 | */ | |
82c2e3d4 BK |
956 | const char_type* |
957 | narrow(const char_type* __lo, const char_type* __hi, | |
9a1349b9 | 958 | char __dfault, char *__to) const |
3fc63c15 | 959 | { |
82ce2a94 | 960 | if (__builtin_expect(_M_narrow_ok == 1, true)) |
84cea626 JQ |
961 | { |
962 | memcpy(__to, __lo, __hi - __lo); | |
963 | return __hi; | |
964 | } | |
965 | if (!_M_narrow_ok) | |
966 | _M_narrow_init(); | |
3fc63c15 JQ |
967 | return this->do_narrow(__lo, __hi, __dfault, __to); |
968 | } | |
82c2e3d4 | 969 | |
725dc051 | 970 | protected: |
2dbd0234 JQ |
971 | /// Returns a pointer to the mask table provided to the constructor, or |
972 | /// the default from classic_table() if none was provided. | |
ed6814f7 | 973 | const mask* |
725dc051 BK |
974 | table() const throw() |
975 | { return _M_table; } | |
976 | ||
2dbd0234 | 977 | /// Returns a pointer to the C locale mask table. |
ed6814f7 | 978 | static const mask* |
93dbe8d7 | 979 | classic_table() throw(); |
725dc051 | 980 | |
2dbd0234 JQ |
981 | /** |
982 | * @brief Destructor. | |
983 | * | |
984 | * This function deletes table() if @a del was true in the | |
985 | * constructor. | |
986 | */ | |
ed6814f7 | 987 | virtual |
def9790d BK |
988 | ~ctype(); |
989 | ||
2dbd0234 JQ |
990 | /** |
991 | * @brief Convert to uppercase. | |
992 | * | |
993 | * This virtual function converts the char argument to uppercase if | |
994 | * possible. If not possible (for example, '2'), returns the argument. | |
995 | * | |
996 | * do_toupper() is a hook for a derived facet to change the behavior of | |
997 | * uppercasing. do_toupper() must always return the same result for | |
998 | * the same input. | |
999 | * | |
1000 | * @param c The char to convert. | |
1001 | * @return The uppercase char if convertible, else @a c. | |
1002 | */ | |
ed6814f7 | 1003 | virtual char_type |
725dc051 BK |
1004 | do_toupper(char_type) const; |
1005 | ||
2dbd0234 JQ |
1006 | /** |
1007 | * @brief Convert array to uppercase. | |
1008 | * | |
1009 | * This virtual function converts each char in the range [lo,hi) to | |
1010 | * uppercase if possible. Other chars remain untouched. | |
1011 | * | |
1012 | * do_toupper() is a hook for a derived facet to change the behavior of | |
1013 | * uppercasing. do_toupper() must always return the same result for | |
1014 | * the same input. | |
1015 | * | |
1016 | * @param lo Pointer to start of range. | |
1017 | * @param hi Pointer to end of range. | |
1018 | * @return @a hi. | |
1019 | */ | |
725dc051 | 1020 | virtual const char_type* |
fdf1b60d | 1021 | do_toupper(char_type* __lo, const char_type* __hi) const; |
725dc051 | 1022 | |
2dbd0234 JQ |
1023 | /** |
1024 | * @brief Convert to lowercase. | |
1025 | * | |
1026 | * This virtual function converts the char argument to lowercase if | |
1027 | * possible. If not possible (for example, '2'), returns the argument. | |
1028 | * | |
1029 | * do_tolower() is a hook for a derived facet to change the behavior of | |
1030 | * lowercasing. do_tolower() must always return the same result for | |
1031 | * the same input. | |
1032 | * | |
1033 | * @param c The char to convert. | |
1034 | * @return The lowercase char if convertible, else @a c. | |
1035 | */ | |
ed6814f7 | 1036 | virtual char_type |
725dc051 BK |
1037 | do_tolower(char_type) const; |
1038 | ||
2dbd0234 JQ |
1039 | /** |
1040 | * @brief Convert array to lowercase. | |
1041 | * | |
1042 | * This virtual function converts each char in the range [lo,hi) to | |
1043 | * lowercase if possible. Other chars remain untouched. | |
1044 | * | |
1045 | * do_tolower() is a hook for a derived facet to change the behavior of | |
1046 | * lowercasing. do_tolower() must always return the same result for | |
1047 | * the same input. | |
1048 | * | |
1049 | * @param lo Pointer to first char in range. | |
1050 | * @param hi Pointer to end of range. | |
1051 | * @return @a hi. | |
1052 | */ | |
725dc051 | 1053 | virtual const char_type* |
fdf1b60d | 1054 | do_tolower(char_type* __lo, const char_type* __hi) const; |
ed6814f7 | 1055 | |
2dbd0234 JQ |
1056 | /** |
1057 | * @brief Widen char | |
1058 | * | |
1059 | * This virtual function converts the char to char using the simplest | |
1060 | * reasonable transformation. For an underived ctype<char> facet, the | |
1061 | * argument will be returned unchanged. | |
1062 | * | |
1063 | * do_widen() is a hook for a derived facet to change the behavior of | |
1064 | * widening. do_widen() must always return the same result for the | |
1065 | * same input. | |
1066 | * | |
1067 | * Note: this is not what you want for codepage conversions. See | |
1068 | * codecvt for that. | |
1069 | * | |
1070 | * @param c The char to convert. | |
1071 | * @return The converted character. | |
1072 | */ | |
ed6814f7 | 1073 | virtual char_type |
82c2e3d4 BK |
1074 | do_widen(char __c) const |
1075 | { return __c; } | |
725dc051 | 1076 | |
2dbd0234 JQ |
1077 | /** |
1078 | * @brief Widen char array | |
1079 | * | |
1080 | * This function converts each char in the range [lo,hi) to char using | |
1081 | * the simplest reasonable transformation. For an underived | |
1082 | * ctype<char> facet, the argument will be copied unchanged. | |
1083 | * | |
1084 | * do_widen() is a hook for a derived facet to change the behavior of | |
1085 | * widening. do_widen() must always return the same result for the | |
1086 | * same input. | |
1087 | * | |
1088 | * Note: this is not what you want for codepage conversions. See | |
1089 | * codecvt for that. | |
1090 | * | |
1091 | * @param lo Pointer to start of range. | |
1092 | * @param hi Pointer to end of range. | |
1093 | * @param to Pointer to the destination array. | |
1094 | * @return @a hi. | |
1095 | */ | |
725dc051 | 1096 | virtual const char* |
82c2e3d4 BK |
1097 | do_widen(const char* __lo, const char* __hi, char_type* __dest) const |
1098 | { | |
1099 | memcpy(__dest, __lo, __hi - __lo); | |
1100 | return __hi; | |
1101 | } | |
725dc051 | 1102 | |
2dbd0234 JQ |
1103 | /** |
1104 | * @brief Narrow char | |
1105 | * | |
1106 | * This virtual function converts the char to char using the simplest | |
1107 | * reasonable transformation. If the conversion fails, dfault is | |
1108 | * returned instead. For an underived ctype<char> facet, @a c will be | |
1109 | * returned unchanged. | |
1110 | * | |
1111 | * do_narrow() is a hook for a derived facet to change the behavior of | |
1112 | * narrowing. do_narrow() must always return the same result for the | |
1113 | * same input. | |
1114 | * | |
1115 | * Note: this is not what you want for codepage conversions. See | |
1116 | * codecvt for that. | |
1117 | * | |
1118 | * @param c The char to convert. | |
1119 | * @param dfault Char to return if conversion fails. | |
1120 | * @return The converted char. | |
1121 | */ | |
ed6814f7 | 1122 | virtual char |
82c2e3d4 BK |
1123 | do_narrow(char_type __c, char) const |
1124 | { return __c; } | |
725dc051 | 1125 | |
2dbd0234 JQ |
1126 | /** |
1127 | * @brief Narrow char array to char array | |
1128 | * | |
1129 | * This virtual function converts each char in the range [lo,hi) to | |
1130 | * char using the simplest reasonable transformation and writes the | |
1131 | * results to the destination array. For any char in the input that | |
1132 | * cannot be converted, @a dfault is used instead. For an underived | |
1133 | * ctype<char> facet, the argument will be copied unchanged. | |
1134 | * | |
1135 | * do_narrow() is a hook for a derived facet to change the behavior of | |
1136 | * narrowing. do_narrow() must always return the same result for the | |
1137 | * same input. | |
1138 | * | |
1139 | * Note: this is not what you want for codepage conversions. See | |
1140 | * codecvt for that. | |
1141 | * | |
1142 | * @param lo Pointer to start of range. | |
1143 | * @param hi Pointer to end of range. | |
1144 | * @param dfault Char to use if conversion fails. | |
1145 | * @param to Pointer to the destination array. | |
1146 | * @return @a hi. | |
1147 | */ | |
725dc051 | 1148 | virtual const char_type* |
fdf1b60d | 1149 | do_narrow(const char_type* __lo, const char_type* __hi, |
82c2e3d4 BK |
1150 | char, char* __dest) const |
1151 | { | |
1152 | memcpy(__dest, __lo, __hi - __lo); | |
1153 | return __hi; | |
1154 | } | |
3fc63c15 JQ |
1155 | |
1156 | private: | |
1157 | ||
1158 | void _M_widen_init() const | |
1159 | { | |
1160 | char __tmp[sizeof(_M_widen)]; | |
9a1349b9 | 1161 | for (size_t __i = 0; __i < sizeof(_M_widen); ++__i) |
3fc63c15 JQ |
1162 | __tmp[__i] = __i; |
1163 | do_widen(__tmp, __tmp + sizeof(__tmp), _M_widen); | |
ed6814f7 | 1164 | |
3fc63c15 JQ |
1165 | _M_widen_ok = 1; |
1166 | // Set _M_widen_ok to 2 if memcpy can't be used. | |
82ce2a94 PC |
1167 | if (memcmp(__tmp, _M_widen, sizeof(_M_widen))) |
1168 | _M_widen_ok = 2; | |
3fc63c15 JQ |
1169 | } |
1170 | ||
1171 | // Fill in the narrowing cache and flag whether all values are | |
82ce2a94 PC |
1172 | // valid or not. _M_narrow_ok is set to 2 if memcpy can't |
1173 | // be used. | |
3fc63c15 JQ |
1174 | void _M_narrow_init() const |
1175 | { | |
1176 | char __tmp[sizeof(_M_narrow)]; | |
9a1349b9 | 1177 | for (size_t __i = 0; __i < sizeof(_M_narrow); ++__i) |
84cea626 | 1178 | __tmp[__i] = __i; |
3fc63c15 JQ |
1179 | do_narrow(__tmp, __tmp + sizeof(__tmp), 0, _M_narrow); |
1180 | ||
82ce2a94 PC |
1181 | _M_narrow_ok = 1; |
1182 | if (memcmp(__tmp, _M_narrow, sizeof(_M_narrow))) | |
1183 | _M_narrow_ok = 2; | |
1184 | else | |
1185 | { | |
1186 | // Deal with the special case of zero: renarrow with a | |
1187 | // different default and compare. | |
1188 | char __c; | |
1189 | do_narrow(__tmp, __tmp + 1, 1, &__c); | |
1190 | if (__c == 1) | |
1191 | _M_narrow_ok = 2; | |
1192 | } | |
3fc63c15 | 1193 | } |
725dc051 | 1194 | }; |
ed6814f7 | 1195 | |
725dc051 BK |
1196 | template<> |
1197 | const ctype<char>& | |
697649ea | 1198 | use_facet<ctype<char> >(const locale& __loc); |
725dc051 | 1199 | |
3d7c150e | 1200 | #ifdef _GLIBCXX_USE_WCHAR_T |
9e5c7dba | 1201 | // 22.2.1.3 ctype<wchar_t> specialization |
2dbd0234 JQ |
1202 | /** |
1203 | * @brief The ctype<wchar_t> specialization. | |
1204 | * | |
1205 | * This class defines classification and conversion functions for the | |
1206 | * wchar_t type. It gets used by wchar_t streams for many I/O operations. | |
1207 | * The wchar_t specialization provides a number of optimizations as well. | |
1208 | * | |
1209 | * ctype<wchar_t> inherits its public methods from | |
1210 | * __ctype_abstract_base<wchar_t>. | |
1211 | */ | |
725dc051 | 1212 | template<> |
167ed88f | 1213 | class ctype<wchar_t> : public __ctype_abstract_base<wchar_t> |
725dc051 BK |
1214 | { |
1215 | public: | |
1216 | // Types: | |
2dbd0234 | 1217 | /// Typedef for the template parameter wchar_t. |
ed6814f7 BI |
1218 | typedef wchar_t char_type; |
1219 | typedef wctype_t __wmask_type; | |
725dc051 | 1220 | |
def9790d BK |
1221 | protected: |
1222 | __c_locale _M_c_locale_ctype; | |
1223 | ||
ca13fb7f PC |
1224 | // Pre-computed narrowed and widened chars. |
1225 | bool _M_narrow_ok; | |
e3c0c098 | 1226 | char _M_narrow[128]; |
ca13fb7f | 1227 | wint_t _M_widen[1 + static_cast<unsigned char>(-1)]; |
e3c0c098 | 1228 | |
9a1349b9 PC |
1229 | // Pre-computed elements for do_is. |
1230 | mask _M_bit[16]; | |
1231 | __wmask_type _M_wmask[16]; | |
1232 | ||
def9790d | 1233 | public: |
725dc051 | 1234 | // Data Members: |
2dbd0234 | 1235 | /// The facet id for ctype<wchar_t> |
ed6814f7 | 1236 | static locale::id id; |
725dc051 | 1237 | |
2dbd0234 JQ |
1238 | /** |
1239 | * @brief Constructor performs initialization. | |
1240 | * | |
1241 | * This is the constructor provided by the standard. | |
1242 | * | |
1243 | * @param refs Passed to the base facet class. | |
1244 | */ | |
ed6814f7 | 1245 | explicit |
725dc051 | 1246 | ctype(size_t __refs = 0); |
9e5c7dba | 1247 | |
2dbd0234 JQ |
1248 | /** |
1249 | * @brief Constructor performs static initialization. | |
1250 | * | |
1251 | * This constructor is used to construct the initial C locale facet. | |
1252 | * | |
1253 | * @param cloc Handle to C locale data. | |
1254 | * @param refs Passed to the base facet class. | |
1255 | */ | |
ed6814f7 | 1256 | explicit |
9e5c7dba | 1257 | ctype(__c_locale __cloc, size_t __refs = 0); |
725dc051 BK |
1258 | |
1259 | protected: | |
1260 | __wmask_type | |
167ed88f | 1261 | _M_convert_to_wmask(const mask __m) const; |
725dc051 | 1262 | |
2dbd0234 | 1263 | /// Destructor |
ed6814f7 | 1264 | virtual |
725dc051 BK |
1265 | ~ctype(); |
1266 | ||
2dbd0234 JQ |
1267 | /** |
1268 | * @brief Test wchar_t classification. | |
1269 | * | |
1270 | * This function finds a mask M for @a c and compares it to mask @a m. | |
1271 | * | |
1272 | * do_is() is a hook for a derived facet to change the behavior of | |
1273 | * classifying. do_is() must always return the same result for the | |
1274 | * same input. | |
1275 | * | |
1276 | * @param c The wchar_t to find the mask of. | |
1277 | * @param m The mask to compare against. | |
1278 | * @return (M & m) != 0. | |
1279 | */ | |
ed6814f7 | 1280 | virtual bool |
725dc051 BK |
1281 | do_is(mask __m, char_type __c) const; |
1282 | ||
2dbd0234 JQ |
1283 | /** |
1284 | * @brief Return a mask array. | |
1285 | * | |
1286 | * This function finds the mask for each wchar_t in the range [lo,hi) | |
1287 | * and successively writes it to vec. vec must have as many elements | |
1288 | * as the input. | |
1289 | * | |
1290 | * do_is() is a hook for a derived facet to change the behavior of | |
1291 | * classifying. do_is() must always return the same result for the | |
1292 | * same input. | |
1293 | * | |
1294 | * @param lo Pointer to start of range. | |
1295 | * @param hi Pointer to end of range. | |
1296 | * @param vec Pointer to an array of mask storage. | |
1297 | * @return @a hi. | |
1298 | */ | |
725dc051 | 1299 | virtual const char_type* |
fdf1b60d | 1300 | do_is(const char_type* __lo, const char_type* __hi, mask* __vec) const; |
725dc051 | 1301 | |
2dbd0234 JQ |
1302 | /** |
1303 | * @brief Find wchar_t matching mask | |
1304 | * | |
1305 | * This function searches for and returns the first wchar_t c in | |
1306 | * [lo,hi) for which is(m,c) is true. | |
1307 | * | |
1308 | * do_scan_is() is a hook for a derived facet to change the behavior of | |
1309 | * match searching. do_is() must always return the same result for the | |
1310 | * same input. | |
1311 | * | |
1312 | * @param m The mask to compare against. | |
1313 | * @param lo Pointer to start of range. | |
1314 | * @param hi Pointer to end of range. | |
1315 | * @return Pointer to a matching wchar_t if found, else @a hi. | |
1316 | */ | |
725dc051 | 1317 | virtual const char_type* |
fdf1b60d | 1318 | do_scan_is(mask __m, const char_type* __lo, const char_type* __hi) const; |
725dc051 | 1319 | |
2dbd0234 JQ |
1320 | /** |
1321 | * @brief Find wchar_t not matching mask | |
1322 | * | |
1323 | * This function searches for and returns a pointer to the first | |
1324 | * wchar_t c of [lo,hi) for which is(m,c) is false. | |
1325 | * | |
1326 | * do_scan_is() is a hook for a derived facet to change the behavior of | |
1327 | * match searching. do_is() must always return the same result for the | |
1328 | * same input. | |
1329 | * | |
1330 | * @param m The mask to compare against. | |
1331 | * @param lo Pointer to start of range. | |
1332 | * @param hi Pointer to end of range. | |
1333 | * @return Pointer to a non-matching wchar_t if found, else @a hi. | |
1334 | */ | |
725dc051 | 1335 | virtual const char_type* |
ed6814f7 | 1336 | do_scan_not(mask __m, const char_type* __lo, |
725dc051 BK |
1337 | const char_type* __hi) const; |
1338 | ||
2dbd0234 JQ |
1339 | /** |
1340 | * @brief Convert to uppercase. | |
1341 | * | |
1342 | * This virtual function converts the wchar_t argument to uppercase if | |
1343 | * possible. If not possible (for example, '2'), returns the argument. | |
1344 | * | |
1345 | * do_toupper() is a hook for a derived facet to change the behavior of | |
1346 | * uppercasing. do_toupper() must always return the same result for | |
1347 | * the same input. | |
1348 | * | |
1349 | * @param c The wchar_t to convert. | |
1350 | * @return The uppercase wchar_t if convertible, else @a c. | |
1351 | */ | |
ed6814f7 | 1352 | virtual char_type |
725dc051 BK |
1353 | do_toupper(char_type) const; |
1354 | ||
2dbd0234 JQ |
1355 | /** |
1356 | * @brief Convert array to uppercase. | |
1357 | * | |
1358 | * This virtual function converts each wchar_t in the range [lo,hi) to | |
1359 | * uppercase if possible. Other elements remain untouched. | |
1360 | * | |
1361 | * do_toupper() is a hook for a derived facet to change the behavior of | |
1362 | * uppercasing. do_toupper() must always return the same result for | |
1363 | * the same input. | |
1364 | * | |
1365 | * @param lo Pointer to start of range. | |
1366 | * @param hi Pointer to end of range. | |
1367 | * @return @a hi. | |
1368 | */ | |
725dc051 | 1369 | virtual const char_type* |
fdf1b60d | 1370 | do_toupper(char_type* __lo, const char_type* __hi) const; |
725dc051 | 1371 | |
2dbd0234 JQ |
1372 | /** |
1373 | * @brief Convert to lowercase. | |
1374 | * | |
1375 | * This virtual function converts the argument to lowercase if | |
1376 | * possible. If not possible (for example, '2'), returns the argument. | |
1377 | * | |
1378 | * do_tolower() is a hook for a derived facet to change the behavior of | |
1379 | * lowercasing. do_tolower() must always return the same result for | |
1380 | * the same input. | |
1381 | * | |
1382 | * @param c The wchar_t to convert. | |
1383 | * @return The lowercase wchar_t if convertible, else @a c. | |
1384 | */ | |
ed6814f7 | 1385 | virtual char_type |
725dc051 BK |
1386 | do_tolower(char_type) const; |
1387 | ||
2dbd0234 JQ |
1388 | /** |
1389 | * @brief Convert array to lowercase. | |
1390 | * | |
1391 | * This virtual function converts each wchar_t in the range [lo,hi) to | |
1392 | * lowercase if possible. Other elements remain untouched. | |
1393 | * | |
1394 | * do_tolower() is a hook for a derived facet to change the behavior of | |
1395 | * lowercasing. do_tolower() must always return the same result for | |
1396 | * the same input. | |
1397 | * | |
1398 | * @param lo Pointer to start of range. | |
1399 | * @param hi Pointer to end of range. | |
1400 | * @return @a hi. | |
1401 | */ | |
725dc051 | 1402 | virtual const char_type* |
fdf1b60d | 1403 | do_tolower(char_type* __lo, const char_type* __hi) const; |
ed6814f7 | 1404 | |
2dbd0234 JQ |
1405 | /** |
1406 | * @brief Widen char to wchar_t | |
1407 | * | |
1408 | * This virtual function converts the char to wchar_t using the | |
1409 | * simplest reasonable transformation. For an underived ctype<wchar_t> | |
1410 | * facet, the argument will be cast to wchar_t. | |
1411 | * | |
1412 | * do_widen() is a hook for a derived facet to change the behavior of | |
1413 | * widening. do_widen() must always return the same result for the | |
1414 | * same input. | |
1415 | * | |
1416 | * Note: this is not what you want for codepage conversions. See | |
1417 | * codecvt for that. | |
1418 | * | |
1419 | * @param c The char to convert. | |
1420 | * @return The converted wchar_t. | |
1421 | */ | |
ed6814f7 | 1422 | virtual char_type |
725dc051 BK |
1423 | do_widen(char) const; |
1424 | ||
2dbd0234 JQ |
1425 | /** |
1426 | * @brief Widen char array to wchar_t array | |
1427 | * | |
1428 | * This function converts each char in the input to wchar_t using the | |
1429 | * simplest reasonable transformation. For an underived ctype<wchar_t> | |
1430 | * facet, the argument will be copied, casting each element to wchar_t. | |
1431 | * | |
1432 | * do_widen() is a hook for a derived facet to change the behavior of | |
1433 | * widening. do_widen() must always return the same result for the | |
1434 | * same input. | |
1435 | * | |
1436 | * Note: this is not what you want for codepage conversions. See | |
1437 | * codecvt for that. | |
1438 | * | |
1439 | * @param lo Pointer to start range. | |
1440 | * @param hi Pointer to end of range. | |
1441 | * @param to Pointer to the destination array. | |
1442 | * @return @a hi. | |
1443 | */ | |
725dc051 | 1444 | virtual const char* |
fdf1b60d | 1445 | do_widen(const char* __lo, const char* __hi, char_type* __dest) const; |
725dc051 | 1446 | |
2dbd0234 JQ |
1447 | /** |
1448 | * @brief Narrow wchar_t to char | |
1449 | * | |
586b5f20 BK |
1450 | * This virtual function converts the argument to char using |
1451 | * the simplest reasonable transformation. If the conversion | |
1452 | * fails, dfault is returned instead. For an underived | |
1453 | * ctype<wchar_t> facet, @a c will be cast to char and | |
1454 | * returned. | |
2dbd0234 | 1455 | * |
586b5f20 BK |
1456 | * do_narrow() is a hook for a derived facet to change the |
1457 | * behavior of narrowing. do_narrow() must always return the | |
1458 | * same result for the same input. | |
2dbd0234 JQ |
1459 | * |
1460 | * Note: this is not what you want for codepage conversions. See | |
1461 | * codecvt for that. | |
1462 | * | |
1463 | * @param c The wchar_t to convert. | |
1464 | * @param dfault Char to return if conversion fails. | |
1465 | * @return The converted char. | |
1466 | */ | |
ed6814f7 | 1467 | virtual char |
725dc051 BK |
1468 | do_narrow(char_type, char __dfault) const; |
1469 | ||
2dbd0234 JQ |
1470 | /** |
1471 | * @brief Narrow wchar_t array to char array | |
1472 | * | |
1473 | * This virtual function converts each wchar_t in the range [lo,hi) to | |
1474 | * char using the simplest reasonable transformation and writes the | |
1475 | * results to the destination array. For any wchar_t in the input that | |
1476 | * cannot be converted, @a dfault is used instead. For an underived | |
1477 | * ctype<wchar_t> facet, the argument will be copied, casting each | |
1478 | * element to char. | |
1479 | * | |
1480 | * do_narrow() is a hook for a derived facet to change the behavior of | |
1481 | * narrowing. do_narrow() must always return the same result for the | |
1482 | * same input. | |
1483 | * | |
1484 | * Note: this is not what you want for codepage conversions. See | |
1485 | * codecvt for that. | |
1486 | * | |
1487 | * @param lo Pointer to start of range. | |
1488 | * @param hi Pointer to end of range. | |
1489 | * @param dfault Char to use if conversion fails. | |
1490 | * @param to Pointer to the destination array. | |
1491 | * @return @a hi. | |
1492 | */ | |
725dc051 | 1493 | virtual const char_type* |
fdf1b60d | 1494 | do_narrow(const char_type* __lo, const char_type* __hi, |
def9790d | 1495 | char __dfault, char* __dest) const; |
e3c0c098 PC |
1496 | |
1497 | // For use at construction time only. | |
ed6814f7 | 1498 | void |
e3c0c098 | 1499 | _M_initialize_ctype(); |
725dc051 BK |
1500 | }; |
1501 | ||
1502 | template<> | |
1503 | const ctype<wchar_t>& | |
697649ea | 1504 | use_facet<ctype<wchar_t> >(const locale& __loc); |
3d7c150e | 1505 | #endif //_GLIBCXX_USE_WCHAR_T |
725dc051 | 1506 | |
33590f13 | 1507 | // Include host and configuration specific ctype inlines. |
e974e9cc | 1508 | #include <bits/ctype_inline.h> |
725dc051 | 1509 | |
00aca6e8 | 1510 | /// @brief class ctype_byname [22.2.1.2]. |
725dc051 BK |
1511 | template<typename _CharT> |
1512 | class ctype_byname : public ctype<_CharT> | |
1513 | { | |
1514 | public: | |
ed6814f7 | 1515 | typedef _CharT char_type; |
725dc051 | 1516 | |
ed6814f7 | 1517 | explicit |
def9790d | 1518 | ctype_byname(const char* __s, size_t __refs = 0); |
725dc051 BK |
1519 | |
1520 | protected: | |
ed6814f7 | 1521 | virtual |
def9790d | 1522 | ~ctype_byname() { }; |
725dc051 BK |
1523 | }; |
1524 | ||
00aca6e8 | 1525 | /// 22.2.1.4 Class ctype_byname specializations. |
725dc051 BK |
1526 | template<> |
1527 | ctype_byname<char>::ctype_byname(const char*, size_t refs); | |
725dc051 | 1528 | |
def9790d BK |
1529 | template<> |
1530 | ctype_byname<wchar_t>::ctype_byname(const char*, size_t refs); | |
725dc051 | 1531 | |
0a31609b BK |
1532 | // 22.2.1.5 Template class codecvt |
1533 | #include <bits/codecvt.h> | |
1534 | ||
def9790d | 1535 | // 22.2.2 The numeric category. |
ed6814f7 | 1536 | class __num_base |
86ade44c | 1537 | { |
ce3039af | 1538 | public: |
6067bea4 BK |
1539 | // NB: Code depends on the order of _S_atoms_out elements. |
1540 | // Below are the indices into _S_atoms_out. | |
ed6814f7 BI |
1541 | enum |
1542 | { | |
1543 | _S_ominus, | |
1544 | _S_oplus, | |
1545 | _S_ox, | |
1546 | _S_oX, | |
655d7821 BK |
1547 | _S_odigits, |
1548 | _S_odigits_end = _S_odigits + 16, | |
ed6814f7 | 1549 | _S_oudigits = _S_odigits_end, |
655d7821 BK |
1550 | _S_oudigits_end = _S_oudigits + 16, |
1551 | _S_oe = _S_odigits + 14, // For scientific notation, 'e' | |
1552 | _S_oE = _S_oudigits + 14, // For scientific notation, 'E' | |
1553 | _S_oend = _S_oudigits_end | |
ce3039af | 1554 | }; |
ed6814f7 | 1555 | |
6067bea4 BK |
1556 | // A list of valid numeric literals for output. This array |
1557 | // contains chars that will be passed through the current locale's | |
1558 | // ctype<_CharT>.widen() and then used to render numbers. | |
1559 | // For the standard "C" locale, this is | |
ce3039af JQ |
1560 | // "-+xX0123456789abcdef0123456789ABCDEF". |
1561 | static const char* _S_atoms_out; | |
1562 | ||
86ade44c | 1563 | // String literal of acceptable (narrow) input, for num_get. |
0fa96a60 | 1564 | // "-+xX0123456789abcdefABCDEF" |
ce3039af | 1565 | static const char* _S_atoms_in; |
86ade44c | 1566 | |
ed6814f7 BI |
1567 | enum |
1568 | { | |
1569 | _S_iminus, | |
1570 | _S_iplus, | |
1571 | _S_ix, | |
1572 | _S_iX, | |
655d7821 | 1573 | _S_izero, |
0fa96a60 PC |
1574 | _S_ie = _S_izero + 14, |
1575 | _S_iE = _S_izero + 20, | |
7942afdc | 1576 | _S_iend = 26 |
86ade44c BK |
1577 | }; |
1578 | ||
4b9aaf63 | 1579 | // num_put |
86ade44c | 1580 | // Construct and return valid scanf format for floating point types. |
5dc91152 PC |
1581 | static void |
1582 | _S_format_float(const ios_base& __io, char* __fptr, char __mod); | |
86ade44c BK |
1583 | }; |
1584 | ||
215f9e28 BK |
1585 | template<typename _CharT> |
1586 | struct __numpunct_cache : public locale::facet | |
1587 | { | |
ed6814f7 | 1588 | const char* _M_grouping; |
47f62b27 | 1589 | size_t _M_grouping_size; |
215f9e28 | 1590 | bool _M_use_grouping; |
ed6814f7 | 1591 | const _CharT* _M_truename; |
47f62b27 | 1592 | size_t _M_truename_size; |
cde63840 | 1593 | const _CharT* _M_falsename; |
ed6814f7 BI |
1594 | size_t _M_falsename_size; |
1595 | _CharT _M_decimal_point; | |
1596 | _CharT _M_thousands_sep; | |
1597 | ||
215f9e28 BK |
1598 | // A list of valid numeric literals for output: in the standard |
1599 | // "C" locale, this is "-+xX0123456789abcdef0123456789ABCDEF". | |
1600 | // This array contains the chars after having been passed | |
1601 | // through the current locale's ctype<_CharT>.widen(). | |
ed6814f7 | 1602 | _CharT _M_atoms_out[__num_base::_S_oend]; |
215f9e28 | 1603 | |
7942afdc | 1604 | // A list of valid numeric literals for input: in the standard |
0fa96a60 | 1605 | // "C" locale, this is "-+xX0123456789abcdefABCDEF" |
215f9e28 BK |
1606 | // This array contains the chars after having been passed |
1607 | // through the current locale's ctype<_CharT>.widen(). | |
ed6814f7 | 1608 | _CharT _M_atoms_in[__num_base::_S_iend]; |
215f9e28 BK |
1609 | |
1610 | bool _M_allocated; | |
1611 | ||
ed6814f7 | 1612 | __numpunct_cache(size_t __refs = 0) : facet(__refs), |
47f62b27 PC |
1613 | _M_grouping(NULL), _M_grouping_size(0), _M_use_grouping(false), |
1614 | _M_truename(NULL), _M_truename_size(0), _M_falsename(NULL), | |
1615 | _M_falsename_size(0), _M_decimal_point(_CharT()), | |
1616 | _M_thousands_sep(_CharT()), _M_allocated(false) | |
ed6814f7 | 1617 | { } |
215f9e28 BK |
1618 | |
1619 | ~__numpunct_cache(); | |
1620 | ||
1621 | void | |
1622 | _M_cache(const locale& __loc); | |
26c691a8 BK |
1623 | |
1624 | private: | |
1625 | __numpunct_cache& | |
1626 | operator=(const __numpunct_cache&); | |
1627 | ||
1628 | explicit | |
1629 | __numpunct_cache(const __numpunct_cache&); | |
215f9e28 BK |
1630 | }; |
1631 | ||
215f9e28 BK |
1632 | template<typename _CharT> |
1633 | __numpunct_cache<_CharT>::~__numpunct_cache() | |
1634 | { | |
1635 | if (_M_allocated) | |
1636 | { | |
1637 | delete [] _M_grouping; | |
1638 | delete [] _M_truename; | |
1639 | delete [] _M_falsename; | |
1640 | } | |
1641 | } | |
4b9aaf63 | 1642 | |
9a01c9b0 JQ |
1643 | /** |
1644 | * @brief Numpunct facet. | |
1645 | * | |
1646 | * This facet stores several pieces of information related to printing and | |
1647 | * scanning numbers, such as the decimal point character. It takes a | |
1648 | * template parameter specifying the char type. The numpunct facet is | |
1649 | * used by streams for many I/O operations involving numbers. | |
1650 | * | |
1651 | * The numpunct template uses protected virtual functions to provide the | |
1652 | * actual results. The public accessors forward the call to the virtual | |
1653 | * functions. These virtual functions are hooks for developers to | |
1654 | * implement the behavior they require from a numpunct facet. | |
1655 | */ | |
725dc051 | 1656 | template<typename _CharT> |
86ade44c | 1657 | class numpunct : public locale::facet |
725dc051 | 1658 | { |
86ade44c | 1659 | public: |
725dc051 | 1660 | // Types: |
9a01c9b0 JQ |
1661 | //@{ |
1662 | /// Public typedefs | |
ed6814f7 BI |
1663 | typedef _CharT char_type; |
1664 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 1665 | //@} |
215f9e28 BK |
1666 | typedef __numpunct_cache<_CharT> __cache_type; |
1667 | ||
1668 | protected: | |
1669 | __cache_type* _M_data; | |
725dc051 | 1670 | |
215f9e28 | 1671 | public: |
9a01c9b0 | 1672 | /// Numpunct facet id. |
ed6814f7 | 1673 | static locale::id id; |
725dc051 | 1674 | |
9a01c9b0 JQ |
1675 | /** |
1676 | * @brief Numpunct constructor. | |
1677 | * | |
1678 | * @param refs Refcount to pass to the base class. | |
1679 | */ | |
ed6814f7 | 1680 | explicit |
215f9e28 BK |
1681 | numpunct(size_t __refs = 0) : facet(__refs), _M_data(NULL) |
1682 | { _M_initialize_numpunct(); } | |
725dc051 | 1683 | |
9a01c9b0 JQ |
1684 | /** |
1685 | * @brief Internal constructor. Not for general use. | |
1686 | * | |
1687 | * This is a constructor for use by the library itself to set up the | |
1688 | * predefined locale facets. | |
1689 | * | |
1690 | * @param cache __numpunct_cache object. | |
1691 | * @param refs Refcount to pass to the base class. | |
1692 | */ | |
ed6814f7 BI |
1693 | explicit |
1694 | numpunct(__cache_type* __cache, size_t __refs = 0) | |
215f9e28 | 1695 | : facet(__refs), _M_data(__cache) |
86ade44c BK |
1696 | { _M_initialize_numpunct(); } |
1697 | ||
9a01c9b0 JQ |
1698 | /** |
1699 | * @brief Internal constructor. Not for general use. | |
1700 | * | |
1701 | * This is a constructor for use by the library itself to set up new | |
1702 | * locales. | |
1703 | * | |
1704 | * @param cloc The "C" locale. | |
1705 | * @param refs Refcount to pass to the base class. | |
1706 | */ | |
ed6814f7 BI |
1707 | explicit |
1708 | numpunct(__c_locale __cloc, size_t __refs = 0) | |
fea4065d | 1709 | : facet(__refs), _M_data(NULL) |
86ade44c BK |
1710 | { _M_initialize_numpunct(__cloc); } |
1711 | ||
9a01c9b0 JQ |
1712 | /** |
1713 | * @brief Return decimal point character. | |
1714 | * | |
1715 | * This function returns a char_type to use as a decimal point. It | |
1716 | * does so by returning returning | |
1717 | * numpunct<char_type>::do_decimal_point(). | |
1718 | * | |
1719 | * @return @a char_type representing a decimal point. | |
1720 | */ | |
ed6814f7 | 1721 | char_type |
86ade44c BK |
1722 | decimal_point() const |
1723 | { return this->do_decimal_point(); } | |
1724 | ||
9a01c9b0 JQ |
1725 | /** |
1726 | * @brief Return thousands separator character. | |
1727 | * | |
586b5f20 BK |
1728 | * This function returns a char_type to use as a thousands |
1729 | * separator. It does so by returning returning | |
9a01c9b0 JQ |
1730 | * numpunct<char_type>::do_thousands_sep(). |
1731 | * | |
1732 | * @return char_type representing a thousands separator. | |
1733 | */ | |
ed6814f7 | 1734 | char_type |
86ade44c BK |
1735 | thousands_sep() const |
1736 | { return this->do_thousands_sep(); } | |
1737 | ||
9a01c9b0 JQ |
1738 | /** |
1739 | * @brief Return grouping specification. | |
1740 | * | |
1741 | * This function returns a string representing groupings for the | |
1742 | * integer part of a number. Groupings indicate where thousands | |
1743 | * separators should be inserted in the integer part of a number. | |
1744 | * | |
586b5f20 BK |
1745 | * Each char in the return string is interpret as an integer |
1746 | * rather than a character. These numbers represent the number | |
1747 | * of digits in a group. The first char in the string | |
1748 | * represents the number of digits in the least significant | |
1749 | * group. If a char is negative, it indicates an unlimited | |
1750 | * number of digits for the group. If more chars from the | |
9a01c9b0 JQ |
1751 | * string are required to group a number, the last char is used |
1752 | * repeatedly. | |
1753 | * | |
586b5f20 BK |
1754 | * For example, if the grouping() returns "\003\002" and is |
1755 | * applied to the number 123456789, this corresponds to | |
1756 | * 12,34,56,789. Note that if the string was "32", this would | |
1757 | * put more than 50 digits into the least significant group if | |
1758 | * the character set is ASCII. | |
9a01c9b0 JQ |
1759 | * |
1760 | * The string is returned by calling | |
1761 | * numpunct<char_type>::do_grouping(). | |
1762 | * | |
1763 | * @return string representing grouping specification. | |
1764 | */ | |
ed6814f7 | 1765 | string |
86ade44c BK |
1766 | grouping() const |
1767 | { return this->do_grouping(); } | |
1768 | ||
9a01c9b0 JQ |
1769 | /** |
1770 | * @brief Return string representation of bool true. | |
1771 | * | |
1772 | * This function returns a string_type containing the text | |
1773 | * representation for true bool variables. It does so by calling | |
1774 | * numpunct<char_type>::do_truename(). | |
1775 | * | |
1776 | * @return string_type representing printed form of true. | |
1777 | */ | |
ed6814f7 | 1778 | string_type |
86ade44c BK |
1779 | truename() const |
1780 | { return this->do_truename(); } | |
1781 | ||
9a01c9b0 JQ |
1782 | /** |
1783 | * @brief Return string representation of bool false. | |
1784 | * | |
1785 | * This function returns a string_type containing the text | |
1786 | * representation for false bool variables. It does so by calling | |
1787 | * numpunct<char_type>::do_falsename(). | |
1788 | * | |
1789 | * @return string_type representing printed form of false. | |
1790 | */ | |
ed6814f7 | 1791 | string_type |
86ade44c BK |
1792 | falsename() const |
1793 | { return this->do_falsename(); } | |
1794 | ||
1795 | protected: | |
9a01c9b0 | 1796 | /// Destructor. |
ed6814f7 | 1797 | virtual |
d3a193e3 | 1798 | ~numpunct(); |
86ade44c | 1799 | |
9a01c9b0 JQ |
1800 | /** |
1801 | * @brief Return decimal point character. | |
1802 | * | |
1803 | * Returns a char_type to use as a decimal point. This function is a | |
1804 | * hook for derived classes to change the value returned. | |
1805 | * | |
1806 | * @return @a char_type representing a decimal point. | |
1807 | */ | |
ed6814f7 | 1808 | virtual char_type |
86ade44c | 1809 | do_decimal_point() const |
215f9e28 | 1810 | { return _M_data->_M_decimal_point; } |
725dc051 | 1811 | |
9a01c9b0 JQ |
1812 | /** |
1813 | * @brief Return thousands separator character. | |
1814 | * | |
1815 | * Returns a char_type to use as a thousands separator. This function | |
1816 | * is a hook for derived classes to change the value returned. | |
1817 | * | |
1818 | * @return @a char_type representing a thousands separator. | |
1819 | */ | |
ed6814f7 | 1820 | virtual char_type |
86ade44c | 1821 | do_thousands_sep() const |
215f9e28 | 1822 | { return _M_data->_M_thousands_sep; } |
86ade44c | 1823 | |
9a01c9b0 JQ |
1824 | /** |
1825 | * @brief Return grouping specification. | |
1826 | * | |
1827 | * Returns a string representing groupings for the integer part of a | |
1828 | * number. This function is a hook for derived classes to change the | |
1829 | * value returned. @see grouping() for details. | |
1830 | * | |
1831 | * @return String representing grouping specification. | |
1832 | */ | |
86ade44c BK |
1833 | virtual string |
1834 | do_grouping() const | |
215f9e28 | 1835 | { return _M_data->_M_grouping; } |
86ade44c | 1836 | |
9a01c9b0 JQ |
1837 | /** |
1838 | * @brief Return string representation of bool true. | |
1839 | * | |
1840 | * Returns a string_type containing the text representation for true | |
1841 | * bool variables. This function is a hook for derived classes to | |
1842 | * change the value returned. | |
1843 | * | |
1844 | * @return string_type representing printed form of true. | |
1845 | */ | |
1846 | virtual string_type | |
86ade44c | 1847 | do_truename() const |
215f9e28 | 1848 | { return _M_data->_M_truename; } |
86ade44c | 1849 | |
9a01c9b0 JQ |
1850 | /** |
1851 | * @brief Return string representation of bool false. | |
1852 | * | |
1853 | * Returns a string_type containing the text representation for false | |
1854 | * bool variables. This function is a hook for derived classes to | |
1855 | * change the value returned. | |
1856 | * | |
1857 | * @return string_type representing printed form of false. | |
1858 | */ | |
1859 | virtual string_type | |
86ade44c | 1860 | do_falsename() const |
215f9e28 | 1861 | { return _M_data->_M_falsename; } |
86ade44c BK |
1862 | |
1863 | // For use at construction time only. | |
ed6814f7 | 1864 | void |
aa53f832 | 1865 | _M_initialize_numpunct(__c_locale __cloc = NULL); |
725dc051 BK |
1866 | }; |
1867 | ||
0a31609b | 1868 | template<typename _CharT> |
86ade44c | 1869 | locale::id numpunct<_CharT>::id; |
0a31609b | 1870 | |
ed6814f7 | 1871 | template<> |
d3a193e3 BK |
1872 | numpunct<char>::~numpunct(); |
1873 | ||
ed6814f7 | 1874 | template<> |
86ade44c BK |
1875 | void |
1876 | numpunct<char>::_M_initialize_numpunct(__c_locale __cloc); | |
ea0c0b6e | 1877 | |
3d7c150e | 1878 | #ifdef _GLIBCXX_USE_WCHAR_T |
ed6814f7 | 1879 | template<> |
d3a193e3 BK |
1880 | numpunct<wchar_t>::~numpunct(); |
1881 | ||
ed6814f7 | 1882 | template<> |
86ade44c BK |
1883 | void |
1884 | numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc); | |
725dc051 BK |
1885 | #endif |
1886 | ||
00aca6e8 | 1887 | /// @brief class numpunct_byname [22.2.3.2]. |
86ade44c BK |
1888 | template<typename _CharT> |
1889 | class numpunct_byname : public numpunct<_CharT> | |
725dc051 BK |
1890 | { |
1891 | public: | |
ed6814f7 BI |
1892 | typedef _CharT char_type; |
1893 | typedef basic_string<_CharT> string_type; | |
725dc051 | 1894 | |
ed6814f7 | 1895 | explicit |
86ade44c BK |
1896 | numpunct_byname(const char* __s, size_t __refs = 0) |
1897 | : numpunct<_CharT>(__refs) | |
1898 | { | |
bf5fe473 BK |
1899 | if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) |
1900 | { | |
1901 | __c_locale __tmp; | |
1902 | this->_S_create_c_locale(__tmp, __s); | |
ed6814f7 BI |
1903 | this->_M_initialize_numpunct(__tmp); |
1904 | this->_S_destroy_c_locale(__tmp); | |
bf5fe473 | 1905 | } |
86ade44c | 1906 | } |
725dc051 | 1907 | |
86ade44c | 1908 | protected: |
ed6814f7 BI |
1909 | virtual |
1910 | ~numpunct_byname() { } | |
725dc051 BK |
1911 | }; |
1912 | ||
9a01c9b0 JQ |
1913 | /** |
1914 | * @brief Facet for parsing number strings. | |
1915 | * | |
1916 | * This facet encapsulates the code to parse and return a number | |
1917 | * from a string. It is used by the istream numeric extraction | |
1918 | * operators. | |
1919 | * | |
1920 | * The num_get template uses protected virtual functions to provide the | |
1921 | * actual results. The public accessors forward the call to the virtual | |
1922 | * functions. These virtual functions are hooks for developers to | |
1923 | * implement the behavior they require from the num_get facet. | |
1924 | */ | |
725dc051 | 1925 | template<typename _CharT, typename _InIter> |
586b5f20 | 1926 | class num_get : public locale::facet |
725dc051 BK |
1927 | { |
1928 | public: | |
1929 | // Types: | |
9a01c9b0 JQ |
1930 | //@{ |
1931 | /// Public typedefs | |
ed6814f7 BI |
1932 | typedef _CharT char_type; |
1933 | typedef _InIter iter_type; | |
9a01c9b0 | 1934 | //@} |
725dc051 | 1935 | |
9a01c9b0 | 1936 | /// Numpunct facet id. |
ed6814f7 | 1937 | static locale::id id; |
725dc051 | 1938 | |
9a01c9b0 JQ |
1939 | /** |
1940 | * @brief Constructor performs initialization. | |
1941 | * | |
1942 | * This is the constructor provided by the standard. | |
1943 | * | |
1944 | * @param refs Passed to the base facet class. | |
1945 | */ | |
ed6814f7 | 1946 | explicit |
fea4065d | 1947 | num_get(size_t __refs = 0) : facet(__refs) { } |
725dc051 | 1948 | |
9a01c9b0 JQ |
1949 | /** |
1950 | * @brief Numeric parsing. | |
1951 | * | |
1952 | * Parses the input stream into the bool @a v. It does so by calling | |
a65da37d | 1953 | * num_get::do_get(). |
9a01c9b0 | 1954 | * |
586b5f20 BK |
1955 | * If ios_base::boolalpha is set, attempts to read |
1956 | * ctype<CharT>::truename() or ctype<CharT>::falsename(). Sets | |
1957 | * @a v to true or false if successful. Sets err to | |
1958 | * ios_base::failbit if reading the string fails. Sets err to | |
1959 | * ios_base::eofbit if the stream is emptied. | |
9a01c9b0 JQ |
1960 | * |
1961 | * If ios_base::boolalpha is not set, proceeds as with reading a long, | |
1962 | * except if the value is 1, sets @a v to true, if the value is 0, sets | |
1963 | * @a v to false, and otherwise set err to ios_base::failbit. | |
1964 | * | |
1965 | * @param in Start of input stream. | |
1966 | * @param end End of input stream. | |
1967 | * @param io Source of locale and flags. | |
1968 | * @param err Error flags to set. | |
1969 | * @param v Value to format and insert. | |
1970 | * @return Iterator after reading. | |
1971 | */ | |
ed6814f7 | 1972 | iter_type |
725dc051 BK |
1973 | get(iter_type __in, iter_type __end, ios_base& __io, |
1974 | ios_base::iostate& __err, bool& __v) const | |
86ade44c | 1975 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 1976 | |
9a01c9b0 JQ |
1977 | //@{ |
1978 | /** | |
1979 | * @brief Numeric parsing. | |
1980 | * | |
1981 | * Parses the input stream into the integral variable @a v. It does so | |
a65da37d | 1982 | * by calling num_get::do_get(). |
9a01c9b0 JQ |
1983 | * |
1984 | * Parsing is affected by the flag settings in @a io. | |
1985 | * | |
1986 | * The basic parse is affected by the value of io.flags() & | |
1987 | * ios_base::basefield. If equal to ios_base::oct, parses like the | |
1988 | * scanf %o specifier. Else if equal to ios_base::hex, parses like %X | |
1989 | * specifier. Else if basefield equal to 0, parses like the %i | |
1990 | * specifier. Otherwise, parses like %d for signed and %u for unsigned | |
1991 | * types. The matching type length modifier is also used. | |
1992 | * | |
1993 | * Digit grouping is intrepreted according to numpunct::grouping() and | |
1994 | * numpunct::thousands_sep(). If the pattern of digit groups isn't | |
1995 | * consistent, sets err to ios_base::failbit. | |
1996 | * | |
1997 | * If parsing the string yields a valid value for @a v, @a v is set. | |
1998 | * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. | |
1999 | * Sets err to ios_base::eofbit if the stream is emptied. | |
2000 | * | |
2001 | * @param in Start of input stream. | |
2002 | * @param end End of input stream. | |
2003 | * @param io Source of locale and flags. | |
2004 | * @param err Error flags to set. | |
2005 | * @param v Value to format and insert. | |
2006 | * @return Iterator after reading. | |
2007 | */ | |
725dc051 | 2008 | iter_type |
ed6814f7 | 2009 | get(iter_type __in, iter_type __end, ios_base& __io, |
725dc051 | 2010 | ios_base::iostate& __err, long& __v) const |
86ade44c | 2011 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2012 | |
ed6814f7 | 2013 | iter_type |
725dc051 BK |
2014 | get(iter_type __in, iter_type __end, ios_base& __io, |
2015 | ios_base::iostate& __err, unsigned short& __v) const | |
86ade44c | 2016 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2017 | |
ed6814f7 | 2018 | iter_type |
725dc051 BK |
2019 | get(iter_type __in, iter_type __end, ios_base& __io, |
2020 | ios_base::iostate& __err, unsigned int& __v) const | |
86ade44c | 2021 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2022 | |
ed6814f7 | 2023 | iter_type |
725dc051 BK |
2024 | get(iter_type __in, iter_type __end, ios_base& __io, |
2025 | ios_base::iostate& __err, unsigned long& __v) const | |
86ade44c | 2026 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2027 | |
3d7c150e | 2028 | #ifdef _GLIBCXX_USE_LONG_LONG |
ed6814f7 | 2029 | iter_type |
86ade44c BK |
2030 | get(iter_type __in, iter_type __end, ios_base& __io, |
2031 | ios_base::iostate& __err, long long& __v) const | |
2032 | { return this->do_get(__in, __end, __io, __err, __v); } | |
2033 | ||
ed6814f7 | 2034 | iter_type |
725dc051 BK |
2035 | get(iter_type __in, iter_type __end, ios_base& __io, |
2036 | ios_base::iostate& __err, unsigned long long& __v) const | |
86ade44c | 2037 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2038 | #endif |
9a01c9b0 | 2039 | //@} |
725dc051 | 2040 | |
9a01c9b0 JQ |
2041 | //@{ |
2042 | /** | |
2043 | * @brief Numeric parsing. | |
2044 | * | |
2045 | * Parses the input stream into the integral variable @a v. It does so | |
a65da37d | 2046 | * by calling num_get::do_get(). |
9a01c9b0 JQ |
2047 | * |
2048 | * The input characters are parsed like the scanf %g specifier. The | |
2049 | * matching type length modifier is also used. | |
2050 | * | |
2051 | * The decimal point character used is numpunct::decimal_point(). | |
2052 | * Digit grouping is intrepreted according to numpunct::grouping() and | |
2053 | * numpunct::thousands_sep(). If the pattern of digit groups isn't | |
2054 | * consistent, sets err to ios_base::failbit. | |
2055 | * | |
2056 | * If parsing the string yields a valid value for @a v, @a v is set. | |
2057 | * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. | |
2058 | * Sets err to ios_base::eofbit if the stream is emptied. | |
2059 | * | |
2060 | * @param in Start of input stream. | |
2061 | * @param end End of input stream. | |
2062 | * @param io Source of locale and flags. | |
2063 | * @param err Error flags to set. | |
2064 | * @param v Value to format and insert. | |
2065 | * @return Iterator after reading. | |
2066 | */ | |
ed6814f7 | 2067 | iter_type |
725dc051 BK |
2068 | get(iter_type __in, iter_type __end, ios_base& __io, |
2069 | ios_base::iostate& __err, float& __v) const | |
86ade44c | 2070 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2071 | |
ed6814f7 | 2072 | iter_type |
725dc051 BK |
2073 | get(iter_type __in, iter_type __end, ios_base& __io, |
2074 | ios_base::iostate& __err, double& __v) const | |
86ade44c | 2075 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 | 2076 | |
ed6814f7 | 2077 | iter_type |
725dc051 BK |
2078 | get(iter_type __in, iter_type __end, ios_base& __io, |
2079 | ios_base::iostate& __err, long double& __v) const | |
86ade44c | 2080 | { return this->do_get(__in, __end, __io, __err, __v); } |
9a01c9b0 | 2081 | //@} |
725dc051 | 2082 | |
9a01c9b0 JQ |
2083 | /** |
2084 | * @brief Numeric parsing. | |
2085 | * | |
2086 | * Parses the input stream into the pointer variable @a v. It does so | |
a65da37d | 2087 | * by calling num_get::do_get(). |
9a01c9b0 JQ |
2088 | * |
2089 | * The input characters are parsed like the scanf %p specifier. | |
2090 | * | |
2091 | * Digit grouping is intrepreted according to numpunct::grouping() and | |
2092 | * numpunct::thousands_sep(). If the pattern of digit groups isn't | |
2093 | * consistent, sets err to ios_base::failbit. | |
2094 | * | |
2095 | * Note that the digit grouping effect for pointers is a bit ambiguous | |
2096 | * in the standard and shouldn't be relied on. See DR 344. | |
2097 | * | |
2098 | * If parsing the string yields a valid value for @a v, @a v is set. | |
2099 | * Otherwise, sets err to ios_base::failbit and leaves @a v unaltered. | |
2100 | * Sets err to ios_base::eofbit if the stream is emptied. | |
2101 | * | |
2102 | * @param in Start of input stream. | |
2103 | * @param end End of input stream. | |
2104 | * @param io Source of locale and flags. | |
2105 | * @param err Error flags to set. | |
2106 | * @param v Value to format and insert. | |
2107 | * @return Iterator after reading. | |
2108 | */ | |
ed6814f7 | 2109 | iter_type |
725dc051 BK |
2110 | get(iter_type __in, iter_type __end, ios_base& __io, |
2111 | ios_base::iostate& __err, void*& __v) const | |
ed6814f7 | 2112 | { return this->do_get(__in, __end, __io, __err, __v); } |
725dc051 BK |
2113 | |
2114 | protected: | |
9a01c9b0 | 2115 | /// Destructor. |
725dc051 BK |
2116 | virtual ~num_get() { } |
2117 | ||
ed6814f7 BI |
2118 | iter_type |
2119 | _M_extract_float(iter_type, iter_type, ios_base&, ios_base::iostate&, | |
823b4f7d | 2120 | string& __xtrc) const; |
86ade44c | 2121 | |
0fa96a60 | 2122 | template<typename _ValueT> |
ed6814f7 BI |
2123 | iter_type |
2124 | _M_extract_int(iter_type, iter_type, ios_base&, ios_base::iostate&, | |
0fa96a60 | 2125 | _ValueT& __v) const; |
725dc051 | 2126 | |
9a01c9b0 JQ |
2127 | //@{ |
2128 | /** | |
2129 | * @brief Numeric parsing. | |
2130 | * | |
2131 | * Parses the input stream into the variable @a v. This function is a | |
2132 | * hook for derived classes to change the value returned. @see get() | |
2133 | * for more details. | |
2134 | * | |
2135 | * @param in Start of input stream. | |
2136 | * @param end End of input stream. | |
2137 | * @param io Source of locale and flags. | |
2138 | * @param err Error flags to set. | |
2139 | * @param v Value to format and insert. | |
2140 | * @return Iterator after reading. | |
2141 | */ | |
ed6814f7 | 2142 | virtual iter_type |
725dc051 BK |
2143 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, bool&) const; |
2144 | ||
f13a69ec | 2145 | |
ed6814f7 | 2146 | virtual iter_type |
86ade44c BK |
2147 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, long&) const; |
2148 | ||
ed6814f7 BI |
2149 | virtual iter_type |
2150 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
86ade44c BK |
2151 | unsigned short&) const; |
2152 | ||
ed6814f7 BI |
2153 | virtual iter_type |
2154 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
86ade44c BK |
2155 | unsigned int&) const; |
2156 | ||
ed6814f7 BI |
2157 | virtual iter_type |
2158 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
86ade44c BK |
2159 | unsigned long&) const; |
2160 | ||
ed6814f7 BI |
2161 | #ifdef _GLIBCXX_USE_LONG_LONG |
2162 | virtual iter_type | |
2163 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
725dc051 | 2164 | long long&) const; |
86ade44c | 2165 | |
ed6814f7 BI |
2166 | virtual iter_type |
2167 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
86ade44c | 2168 | unsigned long long&) const; |
725dc051 | 2169 | #endif |
86ade44c | 2170 | |
ed6814f7 BI |
2171 | virtual iter_type |
2172 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
725dc051 BK |
2173 | float&) const; |
2174 | ||
ed6814f7 BI |
2175 | virtual iter_type |
2176 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
725dc051 BK |
2177 | double&) const; |
2178 | ||
ed6814f7 BI |
2179 | virtual iter_type |
2180 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
86ade44c | 2181 | long double&) const; |
725dc051 | 2182 | |
ed6814f7 BI |
2183 | virtual iter_type |
2184 | do_get(iter_type, iter_type, ios_base&, ios_base::iostate& __err, | |
725dc051 | 2185 | void*&) const; |
9a01c9b0 | 2186 | //@} |
725dc051 BK |
2187 | }; |
2188 | ||
0a31609b BK |
2189 | template<typename _CharT, typename _InIter> |
2190 | locale::id num_get<_CharT, _InIter>::id; | |
2191 | ||
f13a69ec | 2192 | |
9a01c9b0 JQ |
2193 | /** |
2194 | * @brief Facet for converting numbers to strings. | |
2195 | * | |
2196 | * This facet encapsulates the code to convert a number to a string. It is | |
2197 | * used by the ostream numeric insertion operators. | |
2198 | * | |
2199 | * The num_put template uses protected virtual functions to provide the | |
2200 | * actual results. The public accessors forward the call to the virtual | |
2201 | * functions. These virtual functions are hooks for developers to | |
2202 | * implement the behavior they require from the num_put facet. | |
2203 | */ | |
725dc051 | 2204 | template<typename _CharT, typename _OutIter> |
586b5f20 | 2205 | class num_put : public locale::facet |
725dc051 BK |
2206 | { |
2207 | public: | |
2208 | // Types: | |
9a01c9b0 JQ |
2209 | //@{ |
2210 | /// Public typedefs | |
ed6814f7 BI |
2211 | typedef _CharT char_type; |
2212 | typedef _OutIter iter_type; | |
9a01c9b0 JQ |
2213 | //@} |
2214 | ||
2215 | /// Numpunct facet id. | |
1ab65677 | 2216 | static locale::id id; |
725dc051 | 2217 | |
9a01c9b0 JQ |
2218 | /** |
2219 | * @brief Constructor performs initialization. | |
2220 | * | |
2221 | * This is the constructor provided by the standard. | |
2222 | * | |
2223 | * @param refs Passed to the base facet class. | |
2224 | */ | |
ed6814f7 | 2225 | explicit |
fea4065d | 2226 | num_put(size_t __refs = 0) : facet(__refs) { } |
725dc051 | 2227 | |
9a01c9b0 JQ |
2228 | /** |
2229 | * @brief Numeric formatting. | |
2230 | * | |
2231 | * Formats the boolean @a v and inserts it into a stream. It does so | |
2232 | * by calling num_put::do_put(). | |
2233 | * | |
2234 | * If ios_base::boolalpha is set, writes ctype<CharT>::truename() or | |
2235 | * ctype<CharT>::falsename(). Otherwise formats @a v as an int. | |
2236 | * | |
2237 | * @param s Stream to write to. | |
2238 | * @param io Source of locale and flags. | |
2239 | * @param fill Char_type to use for filling. | |
2240 | * @param v Value to format and insert. | |
2241 | * @return Iterator after writing. | |
2242 | */ | |
ed6814f7 | 2243 | iter_type |
725dc051 | 2244 | put(iter_type __s, ios_base& __f, char_type __fill, bool __v) const |
86ade44c | 2245 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2246 | |
9a01c9b0 JQ |
2247 | //@{ |
2248 | /** | |
2249 | * @brief Numeric formatting. | |
2250 | * | |
586b5f20 BK |
2251 | * Formats the integral value @a v and inserts it into a |
2252 | * stream. It does so by calling num_put::do_put(). | |
9a01c9b0 JQ |
2253 | * |
2254 | * Formatting is affected by the flag settings in @a io. | |
2255 | * | |
2256 | * The basic format is affected by the value of io.flags() & | |
2257 | * ios_base::basefield. If equal to ios_base::oct, formats like the | |
2258 | * printf %o specifier. Else if equal to ios_base::hex, formats like | |
2259 | * %x or %X with ios_base::uppercase unset or set respectively. | |
2260 | * Otherwise, formats like %d, %ld, %lld for signed and %u, %lu, %llu | |
2261 | * for unsigned values. Note that if both oct and hex are set, neither | |
2262 | * will take effect. | |
2263 | * | |
2264 | * If ios_base::showpos is set, '+' is output before positive values. | |
2265 | * If ios_base::showbase is set, '0' precedes octal values (except 0) | |
2266 | * and '0[xX]' precedes hex values. | |
2267 | * | |
2268 | * Thousands separators are inserted according to numpunct::grouping() | |
2269 | * and numpunct::thousands_sep(). The decimal point character used is | |
2270 | * numpunct::decimal_point(). | |
2271 | * | |
2272 | * If io.width() is non-zero, enough @a fill characters are inserted to | |
2273 | * make the result at least that wide. If | |
2274 | * (io.flags() & ios_base::adjustfield) == ios_base::left, result is | |
2275 | * padded at the end. If ios_base::internal, then padding occurs | |
2276 | * immediately after either a '+' or '-' or after '0x' or '0X'. | |
2277 | * Otherwise, padding occurs at the beginning. | |
2278 | * | |
2279 | * @param s Stream to write to. | |
2280 | * @param io Source of locale and flags. | |
2281 | * @param fill Char_type to use for filling. | |
2282 | * @param v Value to format and insert. | |
2283 | * @return Iterator after writing. | |
2284 | */ | |
ed6814f7 | 2285 | iter_type |
725dc051 | 2286 | put(iter_type __s, ios_base& __f, char_type __fill, long __v) const |
86ade44c | 2287 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2288 | |
ed6814f7 BI |
2289 | iter_type |
2290 | put(iter_type __s, ios_base& __f, char_type __fill, | |
725dc051 | 2291 | unsigned long __v) const |
86ade44c | 2292 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2293 | |
ed6814f7 BI |
2294 | #ifdef _GLIBCXX_USE_LONG_LONG |
2295 | iter_type | |
725dc051 | 2296 | put(iter_type __s, ios_base& __f, char_type __fill, long long __v) const |
86ade44c | 2297 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2298 | |
ed6814f7 BI |
2299 | iter_type |
2300 | put(iter_type __s, ios_base& __f, char_type __fill, | |
725dc051 | 2301 | unsigned long long __v) const |
86ade44c | 2302 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2303 | #endif |
9a01c9b0 | 2304 | //@} |
725dc051 | 2305 | |
9a01c9b0 JQ |
2306 | //@{ |
2307 | /** | |
2308 | * @brief Numeric formatting. | |
2309 | * | |
2310 | * Formats the floating point value @a v and inserts it into a stream. | |
2311 | * It does so by calling num_put::do_put(). | |
2312 | * | |
2313 | * Formatting is affected by the flag settings in @a io. | |
2314 | * | |
2315 | * The basic format is affected by the value of io.flags() & | |
2316 | * ios_base::floatfield. If equal to ios_base::fixed, formats like the | |
2317 | * printf %f specifier. Else if equal to ios_base::scientific, formats | |
2318 | * like %e or %E with ios_base::uppercase unset or set respectively. | |
2319 | * Otherwise, formats like %g or %G depending on uppercase. Note that | |
2320 | * if both fixed and scientific are set, the effect will also be like | |
2321 | * %g or %G. | |
2322 | * | |
2323 | * The output precision is given by io.precision(). This precision is | |
2324 | * capped at numeric_limits::digits10 + 2 (different for double and | |
2325 | * long double). The default precision is 6. | |
2326 | * | |
2327 | * If ios_base::showpos is set, '+' is output before positive values. | |
2328 | * If ios_base::showpoint is set, a decimal point will always be | |
2329 | * output. | |
2330 | * | |
2331 | * Thousands separators are inserted according to numpunct::grouping() | |
2332 | * and numpunct::thousands_sep(). The decimal point character used is | |
2333 | * numpunct::decimal_point(). | |
2334 | * | |
2335 | * If io.width() is non-zero, enough @a fill characters are inserted to | |
2336 | * make the result at least that wide. If | |
2337 | * (io.flags() & ios_base::adjustfield) == ios_base::left, result is | |
2338 | * padded at the end. If ios_base::internal, then padding occurs | |
2339 | * immediately after either a '+' or '-' or after '0x' or '0X'. | |
2340 | * Otherwise, padding occurs at the beginning. | |
2341 | * | |
2342 | * @param s Stream to write to. | |
2343 | * @param io Source of locale and flags. | |
2344 | * @param fill Char_type to use for filling. | |
2345 | * @param v Value to format and insert. | |
2346 | * @return Iterator after writing. | |
2347 | */ | |
ed6814f7 | 2348 | iter_type |
725dc051 | 2349 | put(iter_type __s, ios_base& __f, char_type __fill, double __v) const |
86ade44c | 2350 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 | 2351 | |
ed6814f7 BI |
2352 | iter_type |
2353 | put(iter_type __s, ios_base& __f, char_type __fill, | |
725dc051 | 2354 | long double __v) const |
86ade44c | 2355 | { return this->do_put(__s, __f, __fill, __v); } |
9a01c9b0 | 2356 | //@} |
725dc051 | 2357 | |
9a01c9b0 JQ |
2358 | /** |
2359 | * @brief Numeric formatting. | |
2360 | * | |
2361 | * Formats the pointer value @a v and inserts it into a stream. It | |
2362 | * does so by calling num_put::do_put(). | |
2363 | * | |
2364 | * This function formats @a v as an unsigned long with ios_base::hex | |
2365 | * and ios_base::showbase set. | |
2366 | * | |
2367 | * @param s Stream to write to. | |
2368 | * @param io Source of locale and flags. | |
2369 | * @param fill Char_type to use for filling. | |
2370 | * @param v Value to format and insert. | |
2371 | * @return Iterator after writing. | |
2372 | */ | |
ed6814f7 BI |
2373 | iter_type |
2374 | put(iter_type __s, ios_base& __f, char_type __fill, | |
725dc051 | 2375 | const void* __v) const |
86ade44c | 2376 | { return this->do_put(__s, __f, __fill, __v); } |
725dc051 BK |
2377 | |
2378 | protected: | |
86ade44c BK |
2379 | template<typename _ValueT> |
2380 | iter_type | |
ed6814f7 | 2381 | _M_insert_float(iter_type, ios_base& __io, char_type __fill, |
7942afdc | 2382 | char __mod, _ValueT __v) const; |
86ade44c | 2383 | |
ce3039af | 2384 | void |
47f62b27 PC |
2385 | _M_group_float(const char* __grouping, size_t __grouping_size, |
2386 | char_type __sep, const char_type* __p, char_type* __new, | |
2387 | char_type* __cs, int& __len) const; | |
ce3039af | 2388 | |
86ade44c BK |
2389 | template<typename _ValueT> |
2390 | iter_type | |
ed6814f7 | 2391 | _M_insert_int(iter_type, ios_base& __io, char_type __fill, |
7942afdc | 2392 | _ValueT __v) const; |
86ade44c | 2393 | |
ce3039af | 2394 | void |
47f62b27 PC |
2395 | _M_group_int(const char* __grouping, size_t __grouping_size, |
2396 | char_type __sep, ios_base& __io, char_type* __new, | |
2397 | char_type* __cs, int& __len) const; | |
86ade44c | 2398 | |
ce3039af | 2399 | void |
ed6814f7 | 2400 | _M_pad(char_type __fill, streamsize __w, ios_base& __io, |
ce3039af | 2401 | char_type* __new, const char_type* __cs, int& __len) const; |
86ade44c | 2402 | |
9a01c9b0 | 2403 | /// Destructor. |
ed6814f7 | 2404 | virtual |
725dc051 BK |
2405 | ~num_put() { }; |
2406 | ||
9a01c9b0 JQ |
2407 | //@{ |
2408 | /** | |
2409 | * @brief Numeric formatting. | |
2410 | * | |
2411 | * These functions do the work of formatting numeric values and | |
2412 | * inserting them into a stream. This function is a hook for derived | |
2413 | * classes to change the value returned. | |
2414 | * | |
2415 | * @param s Stream to write to. | |
2416 | * @param io Source of locale and flags. | |
2417 | * @param fill Char_type to use for filling. | |
2418 | * @param v Value to format and insert. | |
2419 | * @return Iterator after writing. | |
2420 | */ | |
ed6814f7 | 2421 | virtual iter_type |
725dc051 BK |
2422 | do_put(iter_type, ios_base&, char_type __fill, bool __v) const; |
2423 | ||
ed6814f7 | 2424 | virtual iter_type |
725dc051 BK |
2425 | do_put(iter_type, ios_base&, char_type __fill, long __v) const; |
2426 | ||
ed6814f7 | 2427 | virtual iter_type |
86ade44c | 2428 | do_put(iter_type, ios_base&, char_type __fill, unsigned long) const; |
725dc051 | 2429 | |
ed6814f7 BI |
2430 | #ifdef _GLIBCXX_USE_LONG_LONG |
2431 | virtual iter_type | |
86ade44c | 2432 | do_put(iter_type, ios_base&, char_type __fill, long long __v) const; |
725dc051 | 2433 | |
725dc051 BK |
2434 | virtual iter_type |
2435 | do_put(iter_type, ios_base&, char_type __fill, unsigned long long) const; | |
2436 | #endif | |
2437 | ||
ed6814f7 | 2438 | virtual iter_type |
725dc051 BK |
2439 | do_put(iter_type, ios_base&, char_type __fill, double __v) const; |
2440 | ||
ed6814f7 | 2441 | virtual iter_type |
725dc051 BK |
2442 | do_put(iter_type, ios_base&, char_type __fill, long double __v) const; |
2443 | ||
ed6814f7 | 2444 | virtual iter_type |
725dc051 | 2445 | do_put(iter_type, ios_base&, char_type __fill, const void* __v) const; |
9a01c9b0 | 2446 | //@} |
725dc051 BK |
2447 | }; |
2448 | ||
0a31609b BK |
2449 | template <typename _CharT, typename _OutIter> |
2450 | locale::id num_put<_CharT, _OutIter>::id; | |
2451 | ||
33590f13 | 2452 | |
9a01c9b0 JQ |
2453 | /** |
2454 | * @brief Facet for localized string comparison. | |
2455 | * | |
2456 | * This facet encapsulates the code to compare strings in a localized | |
2457 | * manner. | |
2458 | * | |
2459 | * The collate template uses protected virtual functions to provide | |
2460 | * the actual results. The public accessors forward the call to | |
2461 | * the virtual functions. These virtual functions are hooks for | |
2462 | * developers to implement the behavior they require from the | |
2463 | * collate facet. | |
2464 | */ | |
725dc051 | 2465 | template<typename _CharT> |
0214010c | 2466 | class collate : public locale::facet |
725dc051 BK |
2467 | { |
2468 | public: | |
2469 | // Types: | |
9a01c9b0 JQ |
2470 | //@{ |
2471 | /// Public typedefs | |
ed6814f7 BI |
2472 | typedef _CharT char_type; |
2473 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 2474 | //@} |
725dc051 | 2475 | |
ea0c0b6e BK |
2476 | protected: |
2477 | // Underlying "C" library locale information saved from | |
2478 | // initialization, needed by collate_byname as well. | |
2479 | __c_locale _M_c_locale_collate; | |
ed6814f7 | 2480 | |
ea0c0b6e | 2481 | public: |
9a01c9b0 | 2482 | /// Numpunct facet id. |
ed6814f7 | 2483 | static locale::id id; |
0214010c | 2484 | |
9a01c9b0 JQ |
2485 | /** |
2486 | * @brief Constructor performs initialization. | |
2487 | * | |
2488 | * This is the constructor provided by the standard. | |
2489 | * | |
2490 | * @param refs Passed to the base facet class. | |
2491 | */ | |
ed6814f7 | 2492 | explicit |
ea0c0b6e | 2493 | collate(size_t __refs = 0) |
26c691a8 BK |
2494 | : facet(__refs), _M_c_locale_collate(_S_get_c_locale()) |
2495 | { } | |
ea0c0b6e | 2496 | |
9a01c9b0 JQ |
2497 | /** |
2498 | * @brief Internal constructor. Not for general use. | |
2499 | * | |
2500 | * This is a constructor for use by the library itself to set up new | |
2501 | * locales. | |
2502 | * | |
2503 | * @param cloc The "C" locale. | |
2504 | * @param refs Passed to the base facet class. | |
2505 | */ | |
ed6814f7 BI |
2506 | explicit |
2507 | collate(__c_locale __cloc, size_t __refs = 0) | |
26c691a8 BK |
2508 | : facet(__refs), _M_c_locale_collate(_S_clone_c_locale(__cloc)) |
2509 | { } | |
0214010c | 2510 | |
9a01c9b0 JQ |
2511 | /** |
2512 | * @brief Compare two strings. | |
2513 | * | |
2514 | * This function compares two strings and returns the result by calling | |
2515 | * collate::do_compare(). | |
2516 | * | |
2517 | * @param lo1 Start of string 1. | |
2518 | * @param hi1 End of string 1. | |
2519 | * @param lo2 Start of string 2. | |
2520 | * @param hi2 End of string 2. | |
2521 | * @return 1 if string1 > string2, -1 if string1 < string2, else 0. | |
2522 | */ | |
ed6814f7 | 2523 | int |
725dc051 BK |
2524 | compare(const _CharT* __lo1, const _CharT* __hi1, |
2525 | const _CharT* __lo2, const _CharT* __hi2) const | |
0a1cceea | 2526 | { return this->do_compare(__lo1, __hi1, __lo2, __hi2); } |
725dc051 | 2527 | |
9a01c9b0 JQ |
2528 | /** |
2529 | * @brief Transform string to comparable form. | |
2530 | * | |
2531 | * This function is a wrapper for strxfrm functionality. It takes the | |
2532 | * input string and returns a modified string that can be directly | |
2533 | * compared to other transformed strings. In the "C" locale, this | |
2534 | * function just returns a copy of the input string. In some other | |
2535 | * locales, it may replace two chars with one, change a char for | |
2536 | * another, etc. It does so by returning collate::do_transform(). | |
2537 | * | |
2538 | * @param lo Start of string. | |
2539 | * @param hi End of string. | |
2540 | * @return Transformed string_type. | |
2541 | */ | |
ed6814f7 | 2542 | string_type |
725dc051 | 2543 | transform(const _CharT* __lo, const _CharT* __hi) const |
0a1cceea | 2544 | { return this->do_transform(__lo, __hi); } |
725dc051 | 2545 | |
9a01c9b0 JQ |
2546 | /** |
2547 | * @brief Return hash of a string. | |
2548 | * | |
2549 | * This function computes and returns a hash on the input string. It | |
2550 | * does so by returning collate::do_hash(). | |
2551 | * | |
2552 | * @param lo Start of string. | |
2553 | * @param hi End of string. | |
2554 | * @return Hash value. | |
2555 | */ | |
ed6814f7 | 2556 | long |
725dc051 | 2557 | hash(const _CharT* __lo, const _CharT* __hi) const |
0a1cceea | 2558 | { return this->do_hash(__lo, __hi); } |
ed6814f7 | 2559 | |
ea0c0b6e BK |
2560 | // Used to abstract out _CharT bits in virtual member functions, below. |
2561 | int | |
d3a193e3 | 2562 | _M_compare(const _CharT*, const _CharT*) const; |
ea0c0b6e BK |
2563 | |
2564 | size_t | |
d3a193e3 | 2565 | _M_transform(_CharT*, const _CharT*, size_t) const; |
ea0c0b6e | 2566 | |
725dc051 | 2567 | protected: |
9a01c9b0 | 2568 | /// Destructor. |
ea0c0b6e | 2569 | virtual |
ed6814f7 | 2570 | ~collate() |
aa53f832 | 2571 | { _S_destroy_c_locale(_M_c_locale_collate); } |
725dc051 | 2572 | |
9a01c9b0 JQ |
2573 | /** |
2574 | * @brief Compare two strings. | |
2575 | * | |
2576 | * This function is a hook for derived classes to change the value | |
2577 | * returned. @see compare(). | |
2578 | * | |
2579 | * @param lo1 Start of string 1. | |
2580 | * @param hi1 End of string 1. | |
2581 | * @param lo2 Start of string 2. | |
2582 | * @param hi2 End of string 2. | |
2583 | * @return 1 if string1 > string2, -1 if string1 < string2, else 0. | |
2584 | */ | |
ed6814f7 | 2585 | virtual int |
725dc051 | 2586 | do_compare(const _CharT* __lo1, const _CharT* __hi1, |
0214010c | 2587 | const _CharT* __lo2, const _CharT* __hi2) const; |
725dc051 | 2588 | |
9a01c9b0 JQ |
2589 | /** |
2590 | * @brief Transform string to comparable form. | |
2591 | * | |
2592 | * This function is a hook for derived classes to change the value | |
2593 | * returned. | |
2594 | * | |
2595 | * @param lo1 Start of string 1. | |
2596 | * @param hi1 End of string 1. | |
2597 | * @param lo2 Start of string 2. | |
2598 | * @param hi2 End of string 2. | |
2599 | * @return 1 if string1 > string2, -1 if string1 < string2, else 0. | |
2600 | */ | |
ed6814f7 | 2601 | virtual string_type |
0214010c | 2602 | do_transform(const _CharT* __lo, const _CharT* __hi) const; |
725dc051 | 2603 | |
9a01c9b0 JQ |
2604 | /** |
2605 | * @brief Return hash of a string. | |
2606 | * | |
2607 | * This function computes and returns a hash on the input string. This | |
2608 | * function is a hook for derived classes to change the value returned. | |
2609 | * | |
2610 | * @param lo Start of string. | |
2611 | * @param hi End of string. | |
2612 | * @return Hash value. | |
2613 | */ | |
ed6814f7 | 2614 | virtual long |
0214010c | 2615 | do_hash(const _CharT* __lo, const _CharT* __hi) const; |
725dc051 BK |
2616 | }; |
2617 | ||
0a31609b BK |
2618 | template<typename _CharT> |
2619 | locale::id collate<_CharT>::id; | |
2620 | ||
ea0c0b6e | 2621 | // Specializations. |
725dc051 | 2622 | template<> |
ed6814f7 | 2623 | int |
d3a193e3 | 2624 | collate<char>::_M_compare(const char*, const char*) const; |
725dc051 | 2625 | |
0214010c | 2626 | template<> |
ea0c0b6e | 2627 | size_t |
d3a193e3 | 2628 | collate<char>::_M_transform(char*, const char*, size_t) const; |
725dc051 | 2629 | |
3d7c150e | 2630 | #ifdef _GLIBCXX_USE_WCHAR_T |
725dc051 | 2631 | template<> |
ed6814f7 | 2632 | int |
d3a193e3 | 2633 | collate<wchar_t>::_M_compare(const wchar_t*, const wchar_t*) const; |
725dc051 | 2634 | |
0214010c | 2635 | template<> |
ea0c0b6e | 2636 | size_t |
d3a193e3 | 2637 | collate<wchar_t>::_M_transform(wchar_t*, const wchar_t*, size_t) const; |
725dc051 BK |
2638 | #endif |
2639 | ||
00aca6e8 | 2640 | /// @brief class collate_byname [22.2.4.2]. |
725dc051 BK |
2641 | template<typename _CharT> |
2642 | class collate_byname : public collate<_CharT> | |
2643 | { | |
2644 | public: | |
9a01c9b0 JQ |
2645 | //@{ |
2646 | /// Public typedefs | |
725dc051 BK |
2647 | typedef _CharT char_type; |
2648 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 2649 | //@} |
725dc051 | 2650 | |
ed6814f7 | 2651 | explicit |
ea0c0b6e | 2652 | collate_byname(const char* __s, size_t __refs = 0) |
ed6814f7 BI |
2653 | : collate<_CharT>(__refs) |
2654 | { | |
bf5fe473 BK |
2655 | if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) |
2656 | { | |
2657 | this->_S_destroy_c_locale(this->_M_c_locale_collate); | |
ed6814f7 | 2658 | this->_S_create_c_locale(this->_M_c_locale_collate, __s); |
bf5fe473 | 2659 | } |
def9790d | 2660 | } |
725dc051 BK |
2661 | |
2662 | protected: | |
ed6814f7 | 2663 | virtual |
725dc051 BK |
2664 | ~collate_byname() { } |
2665 | }; | |
2666 | ||
725dc051 | 2667 | |
9a01c9b0 JQ |
2668 | /** |
2669 | * @brief Time format ordering data. | |
2670 | * | |
2671 | * This class provides an enum representing different orderings of day, | |
2672 | * month, and year. | |
2673 | */ | |
725dc051 BK |
2674 | class time_base |
2675 | { | |
2676 | public: | |
2677 | enum dateorder { no_order, dmy, mdy, ymd, ydm }; | |
2678 | }; | |
2679 | ||
e08138aa | 2680 | template<typename _CharT> |
fea4065d | 2681 | struct __timepunct_cache : public locale::facet |
e08138aa | 2682 | { |
1ab65677 | 2683 | // List of all known timezones, with GMT first. |
ed6814f7 | 2684 | static const _CharT* _S_timezones[14]; |
e08138aa | 2685 | |
ed6814f7 BI |
2686 | const _CharT* _M_date_format; |
2687 | const _CharT* _M_date_era_format; | |
2688 | const _CharT* _M_time_format; | |
2689 | const _CharT* _M_time_era_format; | |
da5c0f6e BK |
2690 | const _CharT* _M_date_time_format; |
2691 | const _CharT* _M_date_time_era_format; | |
ed6814f7 BI |
2692 | const _CharT* _M_am; |
2693 | const _CharT* _M_pm; | |
da5c0f6e BK |
2694 | const _CharT* _M_am_pm_format; |
2695 | ||
1ab65677 | 2696 | // Day names, starting with "C"'s Sunday. |
ed6814f7 BI |
2697 | const _CharT* _M_day1; |
2698 | const _CharT* _M_day2; | |
2699 | const _CharT* _M_day3; | |
2700 | const _CharT* _M_day4; | |
2701 | const _CharT* _M_day5; | |
2702 | const _CharT* _M_day6; | |
2703 | const _CharT* _M_day7; | |
1ab65677 BK |
2704 | |
2705 | // Abbreviated day names, starting with "C"'s Sun. | |
ed6814f7 BI |
2706 | const _CharT* _M_aday1; |
2707 | const _CharT* _M_aday2; | |
2708 | const _CharT* _M_aday3; | |
2709 | const _CharT* _M_aday4; | |
2710 | const _CharT* _M_aday5; | |
2711 | const _CharT* _M_aday6; | |
2712 | const _CharT* _M_aday7; | |
1ab65677 BK |
2713 | |
2714 | // Month names, starting with "C"'s January. | |
ed6814f7 BI |
2715 | const _CharT* _M_month01; |
2716 | const _CharT* _M_month02; | |
2717 | const _CharT* _M_month03; | |
2718 | const _CharT* _M_month04; | |
2719 | const _CharT* _M_month05; | |
2720 | const _CharT* _M_month06; | |
2721 | const _CharT* _M_month07; | |
2722 | const _CharT* _M_month08; | |
2723 | const _CharT* _M_month09; | |
2724 | const _CharT* _M_month10; | |
2725 | const _CharT* _M_month11; | |
2726 | const _CharT* _M_month12; | |
1ab65677 BK |
2727 | |
2728 | // Abbreviated month names, starting with "C"'s Jan. | |
ed6814f7 BI |
2729 | const _CharT* _M_amonth01; |
2730 | const _CharT* _M_amonth02; | |
2731 | const _CharT* _M_amonth03; | |
2732 | const _CharT* _M_amonth04; | |
2733 | const _CharT* _M_amonth05; | |
2734 | const _CharT* _M_amonth06; | |
2735 | const _CharT* _M_amonth07; | |
2736 | const _CharT* _M_amonth08; | |
2737 | const _CharT* _M_amonth09; | |
2738 | const _CharT* _M_amonth10; | |
2739 | const _CharT* _M_amonth11; | |
2740 | const _CharT* _M_amonth12; | |
fea4065d BK |
2741 | |
2742 | bool _M_allocated; | |
2743 | ||
ed6814f7 | 2744 | __timepunct_cache(size_t __refs = 0) : facet(__refs), |
fea4065d | 2745 | _M_date_format(NULL), _M_date_era_format(NULL), _M_time_format(NULL), |
ed6814f7 BI |
2746 | _M_time_era_format(NULL), _M_date_time_format(NULL), |
2747 | _M_date_time_era_format(NULL), _M_am(NULL), _M_pm(NULL), | |
2748 | _M_am_pm_format(NULL), _M_day1(NULL), _M_day2(NULL), _M_day3(NULL), | |
2749 | _M_day4(NULL), _M_day5(NULL), _M_day6(NULL), _M_day7(NULL), | |
2750 | _M_aday1(NULL), _M_aday2(NULL), _M_aday3(NULL), _M_aday4(NULL), | |
fea4065d | 2751 | _M_aday5(NULL), _M_aday6(NULL), _M_aday7(NULL), _M_month01(NULL), |
ed6814f7 BI |
2752 | _M_month02(NULL), _M_month03(NULL), _M_month04(NULL), _M_month05(NULL), |
2753 | _M_month06(NULL), _M_month07(NULL), _M_month08(NULL), _M_month09(NULL), | |
fea4065d | 2754 | _M_month10(NULL), _M_month11(NULL), _M_month12(NULL), _M_amonth01(NULL), |
ed6814f7 BI |
2755 | _M_amonth02(NULL), _M_amonth03(NULL), _M_amonth04(NULL), |
2756 | _M_amonth05(NULL), _M_amonth06(NULL), _M_amonth07(NULL), | |
2757 | _M_amonth08(NULL), _M_amonth09(NULL), _M_amonth10(NULL), | |
fea4065d | 2758 | _M_amonth11(NULL), _M_amonth12(NULL), _M_allocated(false) |
ed6814f7 | 2759 | { } |
fea4065d BK |
2760 | |
2761 | ~__timepunct_cache(); | |
2762 | ||
2763 | void | |
2764 | _M_cache(const locale& __loc); | |
26c691a8 BK |
2765 | |
2766 | private: | |
2767 | __timepunct_cache& | |
2768 | operator=(const __timepunct_cache&); | |
2769 | ||
2770 | explicit | |
2771 | __timepunct_cache(const __timepunct_cache&); | |
fea4065d BK |
2772 | }; |
2773 | ||
2774 | template<typename _CharT> | |
2775 | __timepunct_cache<_CharT>::~__timepunct_cache() | |
2776 | { | |
2777 | if (_M_allocated) | |
2778 | { | |
586b5f20 | 2779 | // Unused. |
fea4065d BK |
2780 | } |
2781 | } | |
2782 | ||
2783 | // Specializations. | |
ed6814f7 | 2784 | template<> |
fea4065d BK |
2785 | const char* |
2786 | __timepunct_cache<char>::_S_timezones[14]; | |
2787 | ||
2788 | #ifdef _GLIBCXX_USE_WCHAR_T | |
ed6814f7 | 2789 | template<> |
fea4065d BK |
2790 | const wchar_t* |
2791 | __timepunct_cache<wchar_t>::_S_timezones[14]; | |
2792 | #endif | |
2793 | ||
2794 | // Generic. | |
2795 | template<typename _CharT> | |
2796 | const _CharT* __timepunct_cache<_CharT>::_S_timezones[14]; | |
2797 | ||
2798 | template<typename _CharT> | |
2799 | class __timepunct : public locale::facet | |
2800 | { | |
2801 | public: | |
2802 | // Types: | |
ed6814f7 BI |
2803 | typedef _CharT __char_type; |
2804 | typedef basic_string<_CharT> __string_type; | |
fea4065d BK |
2805 | typedef __timepunct_cache<_CharT> __cache_type; |
2806 | ||
2807 | protected: | |
2808 | __cache_type* _M_data; | |
2809 | __c_locale _M_c_locale_timepunct; | |
8ae81136 | 2810 | const char* _M_name_timepunct; |
e08138aa BK |
2811 | |
2812 | public: | |
9a01c9b0 | 2813 | /// Numpunct facet id. |
ed6814f7 | 2814 | static locale::id id; |
fea4065d | 2815 | |
ed6814f7 | 2816 | explicit |
1c26d8fd | 2817 | __timepunct(size_t __refs = 0); |
e08138aa | 2818 | |
ed6814f7 | 2819 | explicit |
fea4065d BK |
2820 | __timepunct(__cache_type* __cache, size_t __refs = 0); |
2821 | ||
9a01c9b0 JQ |
2822 | /** |
2823 | * @brief Internal constructor. Not for general use. | |
2824 | * | |
2825 | * This is a constructor for use by the library itself to set up new | |
2826 | * locales. | |
2827 | * | |
2828 | * @param cloc The "C" locale. | |
2829 | * @param s The name of a locale. | |
2830 | * @param refs Passed to the base facet class. | |
2831 | */ | |
ed6814f7 | 2832 | explicit |
1c26d8fd | 2833 | __timepunct(__c_locale __cloc, const char* __s, size_t __refs = 0); |
e08138aa | 2834 | |
cb793089 PC |
2835 | // FIXME: for error checking purposes _M_put should return the return |
2836 | // value of strftime/wcsftime. | |
e08138aa | 2837 | void |
ed6814f7 | 2838 | _M_put(_CharT* __s, size_t __maxlen, const _CharT* __format, |
d3a193e3 | 2839 | const tm* __tm) const; |
e08138aa | 2840 | |
1ab65677 | 2841 | void |
da5c0f6e BK |
2842 | _M_date_formats(const _CharT** __date) const |
2843 | { | |
2844 | // Always have default first. | |
fea4065d | 2845 | __date[0] = _M_data->_M_date_format; |
ed6814f7 | 2846 | __date[1] = _M_data->_M_date_era_format; |
da5c0f6e | 2847 | } |
1ab65677 | 2848 | |
da5c0f6e BK |
2849 | void |
2850 | _M_time_formats(const _CharT** __time) const | |
2851 | { | |
2852 | // Always have default first. | |
fea4065d | 2853 | __time[0] = _M_data->_M_time_format; |
ed6814f7 | 2854 | __time[1] = _M_data->_M_time_era_format; |
da5c0f6e | 2855 | } |
1ab65677 | 2856 | |
da5c0f6e BK |
2857 | void |
2858 | _M_date_time_formats(const _CharT** __dt) const | |
2859 | { | |
2860 | // Always have default first. | |
fea4065d | 2861 | __dt[0] = _M_data->_M_date_time_format; |
ed6814f7 | 2862 | __dt[1] = _M_data->_M_date_time_era_format; |
da5c0f6e | 2863 | } |
1ab65677 | 2864 | |
586b5f20 BK |
2865 | void |
2866 | _M_am_pm_format(const _CharT* __ampm) const | |
2867 | { __ampm = _M_data->_M_am_pm_format; } | |
2868 | ||
2869 | void | |
2870 | _M_am_pm(const _CharT** __ampm) const | |
2871 | { | |
2872 | __ampm[0] = _M_data->_M_am; | |
2873 | __ampm[1] = _M_data->_M_pm; | |
2874 | } | |
2875 | ||
1ab65677 BK |
2876 | void |
2877 | _M_days(const _CharT** __days) const | |
ed6814f7 | 2878 | { |
fea4065d BK |
2879 | __days[0] = _M_data->_M_day1; |
2880 | __days[1] = _M_data->_M_day2; | |
2881 | __days[2] = _M_data->_M_day3; | |
2882 | __days[3] = _M_data->_M_day4; | |
2883 | __days[4] = _M_data->_M_day5; | |
2884 | __days[5] = _M_data->_M_day6; | |
2885 | __days[6] = _M_data->_M_day7; | |
1ab65677 BK |
2886 | } |
2887 | ||
2888 | void | |
2889 | _M_days_abbreviated(const _CharT** __days) const | |
ed6814f7 | 2890 | { |
fea4065d BK |
2891 | __days[0] = _M_data->_M_aday1; |
2892 | __days[1] = _M_data->_M_aday2; | |
2893 | __days[2] = _M_data->_M_aday3; | |
2894 | __days[3] = _M_data->_M_aday4; | |
2895 | __days[4] = _M_data->_M_aday5; | |
2896 | __days[5] = _M_data->_M_aday6; | |
2897 | __days[6] = _M_data->_M_aday7; | |
da5c0f6e | 2898 | } |
1ab65677 BK |
2899 | |
2900 | void | |
2901 | _M_months(const _CharT** __months) const | |
ed6814f7 | 2902 | { |
fea4065d BK |
2903 | __months[0] = _M_data->_M_month01; |
2904 | __months[1] = _M_data->_M_month02; | |
2905 | __months[2] = _M_data->_M_month03; | |
2906 | __months[3] = _M_data->_M_month04; | |
2907 | __months[4] = _M_data->_M_month05; | |
2908 | __months[5] = _M_data->_M_month06; | |
2909 | __months[6] = _M_data->_M_month07; | |
2910 | __months[7] = _M_data->_M_month08; | |
2911 | __months[8] = _M_data->_M_month09; | |
2912 | __months[9] = _M_data->_M_month10; | |
2913 | __months[10] = _M_data->_M_month11; | |
2914 | __months[11] = _M_data->_M_month12; | |
1ab65677 BK |
2915 | } |
2916 | ||
2917 | void | |
2918 | _M_months_abbreviated(const _CharT** __months) const | |
ed6814f7 | 2919 | { |
fea4065d BK |
2920 | __months[0] = _M_data->_M_amonth01; |
2921 | __months[1] = _M_data->_M_amonth02; | |
2922 | __months[2] = _M_data->_M_amonth03; | |
2923 | __months[3] = _M_data->_M_amonth04; | |
2924 | __months[4] = _M_data->_M_amonth05; | |
2925 | __months[5] = _M_data->_M_amonth06; | |
2926 | __months[6] = _M_data->_M_amonth07; | |
2927 | __months[7] = _M_data->_M_amonth08; | |
2928 | __months[8] = _M_data->_M_amonth09; | |
2929 | __months[9] = _M_data->_M_amonth10; | |
2930 | __months[10] = _M_data->_M_amonth11; | |
2931 | __months[11] = _M_data->_M_amonth12; | |
1ab65677 BK |
2932 | } |
2933 | ||
e08138aa | 2934 | protected: |
ed6814f7 | 2935 | virtual |
1c26d8fd | 2936 | ~__timepunct(); |
1ab65677 BK |
2937 | |
2938 | // For use at construction time only. | |
ed6814f7 | 2939 | void |
aa53f832 | 2940 | _M_initialize_timepunct(__c_locale __cloc = NULL); |
e08138aa BK |
2941 | }; |
2942 | ||
2943 | template<typename _CharT> | |
2944 | locale::id __timepunct<_CharT>::id; | |
2945 | ||
1ab8a33e | 2946 | // Specializations. |
ed6814f7 | 2947 | template<> |
1ab8a33e BK |
2948 | void |
2949 | __timepunct<char>::_M_initialize_timepunct(__c_locale __cloc); | |
2950 | ||
2951 | template<> | |
2952 | void | |
d3a193e3 | 2953 | __timepunct<char>::_M_put(char*, size_t, const char*, const tm*) const; |
1ab8a33e | 2954 | |
3d7c150e | 2955 | #ifdef _GLIBCXX_USE_WCHAR_T |
ed6814f7 | 2956 | template<> |
1ab8a33e BK |
2957 | void |
2958 | __timepunct<wchar_t>::_M_initialize_timepunct(__c_locale __cloc); | |
2959 | ||
2960 | template<> | |
2961 | void | |
ed6814f7 | 2962 | __timepunct<wchar_t>::_M_put(wchar_t*, size_t, const wchar_t*, |
d3a193e3 | 2963 | const tm*) const; |
1ab8a33e BK |
2964 | #endif |
2965 | ||
1c26d8fd BK |
2966 | // Include host and configuration specific timepunct functions. |
2967 | #include <bits/time_members.h> | |
da5c0f6e | 2968 | |
9a01c9b0 JQ |
2969 | /** |
2970 | * @brief Facet for parsing dates and times. | |
2971 | * | |
2972 | * This facet encapsulates the code to parse and return a date or | |
2973 | * time from a string. It is used by the istream numeric | |
2974 | * extraction operators. | |
2975 | * | |
2976 | * The time_get template uses protected virtual functions to provide the | |
2977 | * actual results. The public accessors forward the call to the virtual | |
2978 | * functions. These virtual functions are hooks for developers to | |
2979 | * implement the behavior they require from the time_get facet. | |
2980 | */ | |
725dc051 BK |
2981 | template<typename _CharT, typename _InIter> |
2982 | class time_get : public locale::facet, public time_base | |
2983 | { | |
2984 | public: | |
2985 | // Types: | |
9a01c9b0 JQ |
2986 | //@{ |
2987 | /// Public typedefs | |
ed6814f7 BI |
2988 | typedef _CharT char_type; |
2989 | typedef _InIter iter_type; | |
9a01c9b0 | 2990 | //@} |
ed6814f7 | 2991 | typedef basic_string<_CharT> __string_type; |
725dc051 | 2992 | |
9a01c9b0 | 2993 | /// Numpunct facet id. |
ed6814f7 | 2994 | static locale::id id; |
e08138aa | 2995 | |
9a01c9b0 JQ |
2996 | /** |
2997 | * @brief Constructor performs initialization. | |
2998 | * | |
2999 | * This is the constructor provided by the standard. | |
3000 | * | |
3001 | * @param refs Passed to the base facet class. | |
3002 | */ | |
ed6814f7 BI |
3003 | explicit |
3004 | time_get(size_t __refs = 0) | |
fea4065d | 3005 | : facet (__refs) { } |
725dc051 | 3006 | |
9a01c9b0 JQ |
3007 | /** |
3008 | * @brief Return preferred order of month, day, and year. | |
3009 | * | |
3010 | * This function returns an enum from timebase::dateorder giving the | |
3011 | * preferred ordering if the format "x" given to time_put::put() only | |
3012 | * uses month, day, and year. If the format "x" for the associated | |
3013 | * locale uses other fields, this function returns | |
ed6814f7 | 3014 | * timebase::dateorder::noorder. |
9a01c9b0 JQ |
3015 | * |
3016 | * NOTE: The library always returns noorder at the moment. | |
3017 | * | |
3018 | * @return A member of timebase::dateorder. | |
3019 | */ | |
ed6814f7 | 3020 | dateorder |
725dc051 | 3021 | date_order() const |
1ab65677 | 3022 | { return this->do_date_order(); } |
725dc051 | 3023 | |
9a01c9b0 JQ |
3024 | /** |
3025 | * @brief Parse input time string. | |
3026 | * | |
3027 | * This function parses a time according to the format "x" and puts the | |
3028 | * results into a user-supplied struct tm. The result is returned by | |
3029 | * calling time_get::do_get_time(). | |
3030 | * | |
3031 | * If there is a valid time string according to format "x", @a tm will | |
3032 | * be filled in accordingly and the returned iterator will point to the | |
3033 | * first character beyond the time string. If an error occurs before | |
3034 | * the end, err |= ios_base::failbit. If parsing reads all the | |
3035 | * characters, err |= ios_base::eofbit. | |
3036 | * | |
3037 | * @param beg Start of string to parse. | |
3038 | * @param end End of string to parse. | |
3039 | * @param io Source of the locale. | |
3040 | * @param err Error flags to set. | |
3041 | * @param tm Pointer to struct tm to fill in. | |
3042 | * @return Iterator to first char beyond time string. | |
3043 | */ | |
ed6814f7 BI |
3044 | iter_type |
3045 | get_time(iter_type __beg, iter_type __end, ios_base& __io, | |
1ab65677 BK |
3046 | ios_base::iostate& __err, tm* __tm) const |
3047 | { return this->do_get_time(__beg, __end, __io, __err, __tm); } | |
725dc051 | 3048 | |
9a01c9b0 JQ |
3049 | /** |
3050 | * @brief Parse input date string. | |
3051 | * | |
3052 | * This function parses a date according to the format "X" and puts the | |
3053 | * results into a user-supplied struct tm. The result is returned by | |
3054 | * calling time_get::do_get_date(). | |
3055 | * | |
3056 | * If there is a valid date string according to format "X", @a tm will | |
3057 | * be filled in accordingly and the returned iterator will point to the | |
3058 | * first character beyond the date string. If an error occurs before | |
3059 | * the end, err |= ios_base::failbit. If parsing reads all the | |
3060 | * characters, err |= ios_base::eofbit. | |
3061 | * | |
3062 | * @param beg Start of string to parse. | |
3063 | * @param end End of string to parse. | |
3064 | * @param io Source of the locale. | |
3065 | * @param err Error flags to set. | |
3066 | * @param tm Pointer to struct tm to fill in. | |
3067 | * @return Iterator to first char beyond date string. | |
3068 | */ | |
ed6814f7 | 3069 | iter_type |
1ab65677 BK |
3070 | get_date(iter_type __beg, iter_type __end, ios_base& __io, |
3071 | ios_base::iostate& __err, tm* __tm) const | |
3072 | { return this->do_get_date(__beg, __end, __io, __err, __tm); } | |
725dc051 | 3073 | |
9a01c9b0 JQ |
3074 | /** |
3075 | * @brief Parse input weekday string. | |
3076 | * | |
3077 | * This function parses a weekday name and puts the results into a | |
3078 | * user-supplied struct tm. The result is returned by calling | |
3079 | * time_get::do_get_weekday(). | |
3080 | * | |
3081 | * Parsing starts by parsing an abbreviated weekday name. If a valid | |
3082 | * abbreviation is followed by a character that would lead to the full | |
3083 | * weekday name, parsing continues until the full name is found or an | |
3084 | * error occurs. Otherwise parsing finishes at the end of the | |
3085 | * abbreviated name. | |
3086 | * | |
3087 | * If an error occurs before the end, err |= ios_base::failbit. If | |
3088 | * parsing reads all the characters, err |= ios_base::eofbit. | |
3089 | * | |
3090 | * @param beg Start of string to parse. | |
3091 | * @param end End of string to parse. | |
3092 | * @param io Source of the locale. | |
3093 | * @param err Error flags to set. | |
3094 | * @param tm Pointer to struct tm to fill in. | |
3095 | * @return Iterator to first char beyond weekday name. | |
3096 | */ | |
ed6814f7 | 3097 | iter_type |
1ab65677 BK |
3098 | get_weekday(iter_type __beg, iter_type __end, ios_base& __io, |
3099 | ios_base::iostate& __err, tm* __tm) const | |
3100 | { return this->do_get_weekday(__beg, __end, __io, __err, __tm); } | |
725dc051 | 3101 | |
9a01c9b0 JQ |
3102 | /** |
3103 | * @brief Parse input month string. | |
3104 | * | |
3105 | * This function parses a month name and puts the results into a | |
3106 | * user-supplied struct tm. The result is returned by calling | |
3107 | * time_get::do_get_monthname(). | |
3108 | * | |
3109 | * Parsing starts by parsing an abbreviated month name. If a valid | |
3110 | * abbreviation is followed by a character that would lead to the full | |
3111 | * month name, parsing continues until the full name is found or an | |
3112 | * error occurs. Otherwise parsing finishes at the end of the | |
3113 | * abbreviated name. | |
3114 | * | |
3115 | * If an error occurs before the end, err |= ios_base::failbit. If | |
3116 | * parsing reads all the characters, err |= | |
3117 | * ios_base::eofbit. | |
3118 | * | |
3119 | * @param beg Start of string to parse. | |
3120 | * @param end End of string to parse. | |
3121 | * @param io Source of the locale. | |
3122 | * @param err Error flags to set. | |
3123 | * @param tm Pointer to struct tm to fill in. | |
3124 | * @return Iterator to first char beyond month name. | |
3125 | */ | |
ed6814f7 BI |
3126 | iter_type |
3127 | get_monthname(iter_type __beg, iter_type __end, ios_base& __io, | |
1ab65677 BK |
3128 | ios_base::iostate& __err, tm* __tm) const |
3129 | { return this->do_get_monthname(__beg, __end, __io, __err, __tm); } | |
725dc051 | 3130 | |
9a01c9b0 JQ |
3131 | /** |
3132 | * @brief Parse input year string. | |
3133 | * | |
3134 | * This function reads up to 4 characters to parse a year string and | |
3135 | * puts the results into a user-supplied struct tm. The result is | |
3136 | * returned by calling time_get::do_get_year(). | |
3137 | * | |
3138 | * 4 consecutive digits are interpreted as a full year. If there are | |
3139 | * exactly 2 consecutive digits, the library interprets this as the | |
3140 | * number of years since 1900. | |
3141 | * | |
3142 | * If an error occurs before the end, err |= ios_base::failbit. If | |
3143 | * parsing reads all the characters, err |= ios_base::eofbit. | |
3144 | * | |
3145 | * @param beg Start of string to parse. | |
3146 | * @param end End of string to parse. | |
3147 | * @param io Source of the locale. | |
3148 | * @param err Error flags to set. | |
3149 | * @param tm Pointer to struct tm to fill in. | |
3150 | * @return Iterator to first char beyond year. | |
3151 | */ | |
ed6814f7 | 3152 | iter_type |
1ab65677 BK |
3153 | get_year(iter_type __beg, iter_type __end, ios_base& __io, |
3154 | ios_base::iostate& __err, tm* __tm) const | |
3155 | { return this->do_get_year(__beg, __end, __io, __err, __tm); } | |
725dc051 BK |
3156 | |
3157 | protected: | |
9a01c9b0 | 3158 | /// Destructor. |
ed6814f7 | 3159 | virtual |
1ab65677 | 3160 | ~time_get() { } |
725dc051 | 3161 | |
9a01c9b0 JQ |
3162 | /** |
3163 | * @brief Return preferred order of month, day, and year. | |
3164 | * | |
3165 | * This function returns an enum from timebase::dateorder giving the | |
3166 | * preferred ordering if the format "x" given to time_put::put() only | |
3167 | * uses month, day, and year. This function is a hook for derived | |
3168 | * classes to change the value returned. | |
3169 | * | |
3170 | * @return A member of timebase::dateorder. | |
3171 | */ | |
ed6814f7 | 3172 | virtual dateorder |
1ab65677 | 3173 | do_date_order() const; |
725dc051 | 3174 | |
9a01c9b0 JQ |
3175 | /** |
3176 | * @brief Parse input time string. | |
3177 | * | |
3178 | * This function parses a time according to the format "x" and puts the | |
3179 | * results into a user-supplied struct tm. This function is a hook for | |
3180 | * derived classes to change the value returned. @see get_time() for | |
3181 | * details. | |
3182 | * | |
3183 | * @param beg Start of string to parse. | |
3184 | * @param end End of string to parse. | |
3185 | * @param io Source of the locale. | |
3186 | * @param err Error flags to set. | |
3187 | * @param tm Pointer to struct tm to fill in. | |
3188 | * @return Iterator to first char beyond time string. | |
3189 | */ | |
ed6814f7 | 3190 | virtual iter_type |
1ab65677 BK |
3191 | do_get_time(iter_type __beg, iter_type __end, ios_base& __io, |
3192 | ios_base::iostate& __err, tm* __tm) const; | |
725dc051 | 3193 | |
9a01c9b0 JQ |
3194 | /** |
3195 | * @brief Parse input date string. | |
3196 | * | |
3197 | * This function parses a date according to the format "X" and puts the | |
3198 | * results into a user-supplied struct tm. This function is a hook for | |
3199 | * derived classes to change the value returned. @see get_date() for | |
3200 | * details. | |
3201 | * | |
3202 | * @param beg Start of string to parse. | |
3203 | * @param end End of string to parse. | |
3204 | * @param io Source of the locale. | |
3205 | * @param err Error flags to set. | |
3206 | * @param tm Pointer to struct tm to fill in. | |
3207 | * @return Iterator to first char beyond date string. | |
3208 | */ | |
ed6814f7 | 3209 | virtual iter_type |
1ab65677 BK |
3210 | do_get_date(iter_type __beg, iter_type __end, ios_base& __io, |
3211 | ios_base::iostate& __err, tm* __tm) const; | |
725dc051 | 3212 | |
9a01c9b0 JQ |
3213 | /** |
3214 | * @brief Parse input weekday string. | |
3215 | * | |
3216 | * This function parses a weekday name and puts the results into a | |
3217 | * user-supplied struct tm. This function is a hook for derived | |
3218 | * classes to change the value returned. @see get_weekday() for | |
3219 | * details. | |
3220 | * | |
3221 | * @param beg Start of string to parse. | |
3222 | * @param end End of string to parse. | |
3223 | * @param io Source of the locale. | |
3224 | * @param err Error flags to set. | |
3225 | * @param tm Pointer to struct tm to fill in. | |
3226 | * @return Iterator to first char beyond weekday name. | |
3227 | */ | |
ed6814f7 | 3228 | virtual iter_type |
1ab65677 BK |
3229 | do_get_weekday(iter_type __beg, iter_type __end, ios_base&, |
3230 | ios_base::iostate& __err, tm* __tm) const; | |
725dc051 | 3231 | |
9a01c9b0 JQ |
3232 | /** |
3233 | * @brief Parse input month string. | |
3234 | * | |
3235 | * This function parses a month name and puts the results into a | |
3236 | * user-supplied struct tm. This function is a hook for derived | |
3237 | * classes to change the value returned. @see get_monthname() for | |
3238 | * details. | |
3239 | * | |
3240 | * @param beg Start of string to parse. | |
3241 | * @param end End of string to parse. | |
3242 | * @param io Source of the locale. | |
3243 | * @param err Error flags to set. | |
3244 | * @param tm Pointer to struct tm to fill in. | |
3245 | * @return Iterator to first char beyond month name. | |
3246 | */ | |
ed6814f7 BI |
3247 | virtual iter_type |
3248 | do_get_monthname(iter_type __beg, iter_type __end, ios_base&, | |
1ab65677 | 3249 | ios_base::iostate& __err, tm* __tm) const; |
725dc051 | 3250 | |
9a01c9b0 JQ |
3251 | /** |
3252 | * @brief Parse input year string. | |
3253 | * | |
3254 | * This function reads up to 4 characters to parse a year string and | |
3255 | * puts the results into a user-supplied struct tm. This function is a | |
3256 | * hook for derived classes to change the value returned. @see | |
3257 | * get_year() for details. | |
3258 | * | |
3259 | * @param beg Start of string to parse. | |
3260 | * @param end End of string to parse. | |
3261 | * @param io Source of the locale. | |
3262 | * @param err Error flags to set. | |
3263 | * @param tm Pointer to struct tm to fill in. | |
3264 | * @return Iterator to first char beyond year. | |
3265 | */ | |
ed6814f7 | 3266 | virtual iter_type |
1ab65677 BK |
3267 | do_get_year(iter_type __beg, iter_type __end, ios_base& __io, |
3268 | ios_base::iostate& __err, tm* __tm) const; | |
3269 | ||
da5c0f6e | 3270 | // Extract numeric component of length __len. |
586b5f20 BK |
3271 | iter_type |
3272 | _M_extract_num(iter_type __beg, iter_type __end, int& __member, | |
da5c0f6e | 3273 | int __min, int __max, size_t __len, |
586b5f20 | 3274 | ios_base& __io, ios_base::iostate& __err) const; |
ed6814f7 | 3275 | |
1ab65677 BK |
3276 | // Extract day or month name, or any unique array of string |
3277 | // literals in a const _CharT* array. | |
586b5f20 BK |
3278 | iter_type |
3279 | _M_extract_name(iter_type __beg, iter_type __end, int& __member, | |
ed6814f7 | 3280 | const _CharT** __names, size_t __indexlen, |
586b5f20 | 3281 | ios_base& __io, ios_base::iostate& __err) const; |
da5c0f6e BK |
3282 | |
3283 | // Extract on a component-by-component basis, via __format argument. | |
586b5f20 BK |
3284 | iter_type |
3285 | _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io, | |
ed6814f7 | 3286 | ios_base::iostate& __err, tm* __tm, |
da5c0f6e | 3287 | const _CharT* __format) const; |
725dc051 BK |
3288 | }; |
3289 | ||
0a31609b BK |
3290 | template<typename _CharT, typename _InIter> |
3291 | locale::id time_get<_CharT, _InIter>::id; | |
3292 | ||
00aca6e8 | 3293 | /// @brief class time_get_byname [22.2.5.2]. |
725dc051 BK |
3294 | template<typename _CharT, typename _InIter> |
3295 | class time_get_byname : public time_get<_CharT, _InIter> | |
3296 | { | |
3297 | public: | |
1ab65677 | 3298 | // Types: |
ed6814f7 BI |
3299 | typedef _CharT char_type; |
3300 | typedef _InIter iter_type; | |
725dc051 | 3301 | |
ed6814f7 BI |
3302 | explicit |
3303 | time_get_byname(const char*, size_t __refs = 0) | |
725dc051 | 3304 | : time_get<_CharT, _InIter>(__refs) { } |
1ab65677 | 3305 | |
725dc051 | 3306 | protected: |
ed6814f7 | 3307 | virtual |
725dc051 BK |
3308 | ~time_get_byname() { } |
3309 | }; | |
3310 | ||
9a01c9b0 JQ |
3311 | /** |
3312 | * @brief Facet for outputting dates and times. | |
3313 | * | |
3314 | * This facet encapsulates the code to format and output dates and times | |
3315 | * according to formats used by strftime(). | |
3316 | * | |
3317 | * The time_put template uses protected virtual functions to provide the | |
3318 | * actual results. The public accessors forward the call to the virtual | |
3319 | * functions. These virtual functions are hooks for developers to | |
3320 | * implement the behavior they require from the time_put facet. | |
3321 | */ | |
725dc051 | 3322 | template<typename _CharT, typename _OutIter> |
586b5f20 | 3323 | class time_put : public locale::facet |
725dc051 BK |
3324 | { |
3325 | public: | |
e08138aa | 3326 | // Types: |
9a01c9b0 JQ |
3327 | //@{ |
3328 | /// Public typedefs | |
ed6814f7 BI |
3329 | typedef _CharT char_type; |
3330 | typedef _OutIter iter_type; | |
9a01c9b0 | 3331 | //@} |
725dc051 | 3332 | |
9a01c9b0 | 3333 | /// Numpunct facet id. |
ed6814f7 | 3334 | static locale::id id; |
725dc051 | 3335 | |
9a01c9b0 JQ |
3336 | /** |
3337 | * @brief Constructor performs initialization. | |
3338 | * | |
3339 | * This is the constructor provided by the standard. | |
3340 | * | |
3341 | * @param refs Passed to the base facet class. | |
3342 | */ | |
ed6814f7 BI |
3343 | explicit |
3344 | time_put(size_t __refs = 0) | |
fea4065d | 3345 | : facet(__refs) { } |
725dc051 | 3346 | |
9a01c9b0 JQ |
3347 | /** |
3348 | * @brief Format and output a time or date. | |
3349 | * | |
3350 | * This function formats the data in struct tm according to the | |
3351 | * provided format string. The format string is interpreted as by | |
3352 | * strftime(). | |
3353 | * | |
3354 | * @param s The stream to write to. | |
3355 | * @param io Source of locale. | |
3356 | * @param fill char_type to use for padding. | |
3357 | * @param tm Struct tm with date and time info to format. | |
3358 | * @param beg Start of format string. | |
3359 | * @param end End of format string. | |
3360 | * @return Iterator after writing. | |
3361 | */ | |
ed6814f7 BI |
3362 | iter_type |
3363 | put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, | |
e08138aa | 3364 | const _CharT* __beg, const _CharT* __end) const; |
725dc051 | 3365 | |
9a01c9b0 JQ |
3366 | /** |
3367 | * @brief Format and output a time or date. | |
3368 | * | |
3369 | * This function formats the data in struct tm according to the | |
3370 | * provided format char and optional modifier. The format and modifier | |
3371 | * are interpreted as by strftime(). It does so by returning | |
3372 | * time_put::do_put(). | |
3373 | * | |
3374 | * @param s The stream to write to. | |
3375 | * @param io Source of locale. | |
3376 | * @param fill char_type to use for padding. | |
3377 | * @param tm Struct tm with date and time info to format. | |
3378 | * @param format Format char. | |
3379 | * @param mod Optional modifier char. | |
3380 | * @return Iterator after writing. | |
3381 | */ | |
ed6814f7 | 3382 | iter_type |
e08138aa BK |
3383 | put(iter_type __s, ios_base& __io, char_type __fill, |
3384 | const tm* __tm, char __format, char __mod = 0) const | |
3385 | { return this->do_put(__s, __io, __fill, __tm, __format, __mod); } | |
725dc051 BK |
3386 | |
3387 | protected: | |
9a01c9b0 | 3388 | /// Destructor. |
ed6814f7 | 3389 | virtual |
e08138aa BK |
3390 | ~time_put() |
3391 | { } | |
725dc051 | 3392 | |
9a01c9b0 JQ |
3393 | /** |
3394 | * @brief Format and output a time or date. | |
3395 | * | |
3396 | * This function formats the data in struct tm according to the | |
3397 | * provided format char and optional modifier. This function is a hook | |
3398 | * for derived classes to change the value returned. @see put() for | |
3399 | * more details. | |
3400 | * | |
3401 | * @param s The stream to write to. | |
3402 | * @param io Source of locale. | |
3403 | * @param fill char_type to use for padding. | |
3404 | * @param tm Struct tm with date and time info to format. | |
3405 | * @param format Format char. | |
3406 | * @param mod Optional modifier char. | |
3407 | * @return Iterator after writing. | |
3408 | */ | |
ed6814f7 BI |
3409 | virtual iter_type |
3410 | do_put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, | |
e08138aa | 3411 | char __format, char __mod) const; |
725dc051 BK |
3412 | }; |
3413 | ||
0a31609b BK |
3414 | template<typename _CharT, typename _OutIter> |
3415 | locale::id time_put<_CharT, _OutIter>::id; | |
3416 | ||
00aca6e8 | 3417 | /// @brief class time_put_byname [22.2.5.4]. |
725dc051 BK |
3418 | template<typename _CharT, typename _OutIter> |
3419 | class time_put_byname : public time_put<_CharT, _OutIter> | |
3420 | { | |
3421 | public: | |
e08138aa | 3422 | // Types: |
ed6814f7 BI |
3423 | typedef _CharT char_type; |
3424 | typedef _OutIter iter_type; | |
725dc051 | 3425 | |
ed6814f7 BI |
3426 | explicit |
3427 | time_put_byname(const char*, size_t __refs = 0) | |
3428 | : time_put<_CharT, _OutIter>(__refs) | |
e08138aa | 3429 | { }; |
725dc051 BK |
3430 | |
3431 | protected: | |
ed6814f7 | 3432 | virtual |
725dc051 BK |
3433 | ~time_put_byname() { } |
3434 | }; | |
3435 | ||
3436 | ||
9a01c9b0 JQ |
3437 | /** |
3438 | * @brief Money format ordering data. | |
3439 | * | |
3440 | * This class contains an ordered array of 4 fields to represent the | |
3441 | * pattern for formatting a money amount. Each field may contain one entry | |
3442 | * from the part enum. symbol, sign, and value must be present and the | |
3443 | * remaining field must contain either none or space. @see | |
3444 | * moneypunct::pos_format() and moneypunct::neg_format() for details of how | |
3445 | * these fields are interpreted. | |
3446 | */ | |
86ade44c | 3447 | class money_base |
725dc051 | 3448 | { |
86ade44c | 3449 | public: |
725dc051 BK |
3450 | enum part { none, space, symbol, sign, value }; |
3451 | struct pattern { char field[4]; }; | |
3452 | ||
3453 | static const pattern _S_default_pattern; | |
0214010c | 3454 | |
fe932e50 PC |
3455 | enum |
3456 | { | |
3457 | _S_minus, | |
3458 | _S_zero, | |
3459 | _S_end = 11 | |
3460 | }; | |
3461 | ||
3462 | // String literal of acceptable (narrow) input/output, for | |
3463 | // money_get/money_put. "-0123456789" | |
3464 | static const char* _S_atoms; | |
3465 | ||
0214010c BK |
3466 | // Construct and return valid pattern consisting of some combination of: |
3467 | // space none symbol sign value | |
ed6814f7 | 3468 | static pattern |
754d9299 | 3469 | _S_construct_pattern(char __precedes, char __space, char __posn); |
725dc051 BK |
3470 | }; |
3471 | ||
fe932e50 | 3472 | template<typename _CharT, bool _Intl> |
fea4065d BK |
3473 | struct __moneypunct_cache : public locale::facet |
3474 | { | |
ed6814f7 | 3475 | const char* _M_grouping; |
fe932e50 | 3476 | size_t _M_grouping_size; |
fea4065d | 3477 | bool _M_use_grouping; |
ed6814f7 BI |
3478 | _CharT _M_decimal_point; |
3479 | _CharT _M_thousands_sep; | |
3480 | const _CharT* _M_curr_symbol; | |
fe932e50 | 3481 | size_t _M_curr_symbol_size; |
fea4065d | 3482 | const _CharT* _M_positive_sign; |
fe932e50 | 3483 | size_t _M_positive_sign_size; |
fea4065d | 3484 | const _CharT* _M_negative_sign; |
fe932e50 | 3485 | size_t _M_negative_sign_size; |
ed6814f7 BI |
3486 | int _M_frac_digits; |
3487 | money_base::pattern _M_pos_format; | |
3488 | money_base::pattern _M_neg_format; | |
fea4065d | 3489 | |
fe932e50 PC |
3490 | // A list of valid numeric literals for input and output: in the standard |
3491 | // "C" locale, this is "-0123456789". This array contains the chars after | |
3492 | // having been passed through the current locale's ctype<_CharT>.widen(). | |
3493 | _CharT _M_atoms[money_base::_S_end]; | |
3494 | ||
fea4065d BK |
3495 | bool _M_allocated; |
3496 | ||
ed6814f7 | 3497 | __moneypunct_cache(size_t __refs = 0) : facet(__refs), |
fe932e50 PC |
3498 | _M_grouping(NULL), _M_grouping_size(0), _M_use_grouping(false), |
3499 | _M_decimal_point(_CharT()), _M_thousands_sep(_CharT()), | |
3500 | _M_curr_symbol(NULL), _M_curr_symbol_size(0), | |
3501 | _M_positive_sign(NULL), _M_positive_sign_size(0), | |
3502 | _M_negative_sign(NULL), _M_negative_sign_size(0), | |
3503 | _M_frac_digits(0), | |
ed6814f7 | 3504 | _M_pos_format(money_base::pattern()), |
fea4065d | 3505 | _M_neg_format(money_base::pattern()), _M_allocated(false) |
ed6814f7 | 3506 | { } |
fea4065d BK |
3507 | |
3508 | ~__moneypunct_cache(); | |
3509 | ||
3510 | void | |
3511 | _M_cache(const locale& __loc); | |
26c691a8 BK |
3512 | |
3513 | private: | |
3514 | __moneypunct_cache& | |
3515 | operator=(const __moneypunct_cache&); | |
3516 | ||
3517 | explicit | |
3518 | __moneypunct_cache(const __moneypunct_cache&); | |
fea4065d BK |
3519 | }; |
3520 | ||
fe932e50 PC |
3521 | template<typename _CharT, bool _Intl> |
3522 | __moneypunct_cache<_CharT, _Intl>::~__moneypunct_cache() | |
fea4065d BK |
3523 | { |
3524 | if (_M_allocated) | |
3525 | { | |
fe932e50 PC |
3526 | delete [] _M_grouping; |
3527 | delete [] _M_curr_symbol; | |
3528 | delete [] _M_positive_sign; | |
3529 | delete [] _M_negative_sign; | |
fea4065d BK |
3530 | } |
3531 | } | |
3532 | ||
9a01c9b0 JQ |
3533 | /** |
3534 | * @brief Facet for formatting data for money amounts. | |
3535 | * | |
3536 | * This facet encapsulates the punctuation, grouping and other formatting | |
3537 | * features of money amount string representations. | |
3538 | */ | |
0214010c BK |
3539 | template<typename _CharT, bool _Intl> |
3540 | class moneypunct : public locale::facet, public money_base | |
725dc051 BK |
3541 | { |
3542 | public: | |
0214010c | 3543 | // Types: |
9a01c9b0 JQ |
3544 | //@{ |
3545 | /// Public typedefs | |
ed6814f7 BI |
3546 | typedef _CharT char_type; |
3547 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 3548 | //@} |
fe932e50 | 3549 | typedef __moneypunct_cache<_CharT, _Intl> __cache_type; |
fea4065d BK |
3550 | |
3551 | private: | |
3552 | __cache_type* _M_data; | |
0214010c | 3553 | |
fea4065d | 3554 | public: |
9a01c9b0 JQ |
3555 | /// This value is provided by the standard, but no reason for its |
3556 | /// existence. | |
ed6814f7 | 3557 | static const bool intl = _Intl; |
9a01c9b0 | 3558 | /// Numpunct facet id. |
ed6814f7 | 3559 | static locale::id id; |
0214010c | 3560 | |
9a01c9b0 JQ |
3561 | /** |
3562 | * @brief Constructor performs initialization. | |
3563 | * | |
3564 | * This is the constructor provided by the standard. | |
3565 | * | |
3566 | * @param refs Passed to the base facet class. | |
3567 | */ | |
ed6814f7 | 3568 | explicit |
fea4065d BK |
3569 | moneypunct(size_t __refs = 0) : facet(__refs), _M_data(NULL) |
3570 | { _M_initialize_moneypunct(); } | |
0214010c | 3571 | |
9a01c9b0 JQ |
3572 | /** |
3573 | * @brief Constructor performs initialization. | |
3574 | * | |
3575 | * This is an internal constructor. | |
3576 | * | |
3577 | * @param cache Cache for optimization. | |
3578 | * @param refs Passed to the base facet class. | |
3579 | */ | |
ed6814f7 BI |
3580 | explicit |
3581 | moneypunct(__cache_type* __cache, size_t __refs = 0) | |
fea4065d | 3582 | : facet(__refs), _M_data(__cache) |
0214010c BK |
3583 | { _M_initialize_moneypunct(); } |
3584 | ||
9a01c9b0 JQ |
3585 | /** |
3586 | * @brief Internal constructor. Not for general use. | |
3587 | * | |
3588 | * This is a constructor for use by the library itself to set up new | |
3589 | * locales. | |
3590 | * | |
3591 | * @param cloc The "C" locale. | |
3592 | * @param s The name of a locale. | |
3593 | * @param refs Passed to the base facet class. | |
3594 | */ | |
ed6814f7 BI |
3595 | explicit |
3596 | moneypunct(__c_locale __cloc, const char* __s, size_t __refs = 0) | |
fea4065d | 3597 | : facet(__refs), _M_data(NULL) |
fdf7e809 | 3598 | { _M_initialize_moneypunct(__cloc, __s); } |
0214010c | 3599 | |
9a01c9b0 JQ |
3600 | /** |
3601 | * @brief Return decimal point character. | |
3602 | * | |
3603 | * This function returns a char_type to use as a decimal point. It | |
3604 | * does so by returning returning | |
3605 | * moneypunct<char_type>::do_decimal_point(). | |
3606 | * | |
3607 | * @return @a char_type representing a decimal point. | |
3608 | */ | |
0214010c BK |
3609 | char_type |
3610 | decimal_point() const | |
0a1cceea | 3611 | { return this->do_decimal_point(); } |
ed6814f7 | 3612 | |
9a01c9b0 JQ |
3613 | /** |
3614 | * @brief Return thousands separator character. | |
3615 | * | |
586b5f20 BK |
3616 | * This function returns a char_type to use as a thousands |
3617 | * separator. It does so by returning returning | |
9a01c9b0 JQ |
3618 | * moneypunct<char_type>::do_thousands_sep(). |
3619 | * | |
3620 | * @return char_type representing a thousands separator. | |
3621 | */ | |
0214010c BK |
3622 | char_type |
3623 | thousands_sep() const | |
0a1cceea | 3624 | { return this->do_thousands_sep(); } |
ed6814f7 | 3625 | |
9a01c9b0 JQ |
3626 | /** |
3627 | * @brief Return grouping specification. | |
3628 | * | |
3629 | * This function returns a string representing groupings for the | |
3630 | * integer part of an amount. Groupings indicate where thousands | |
3631 | * separators should be inserted. | |
3632 | * | |
3633 | * Each char in the return string is interpret as an integer rather | |
3634 | * than a character. These numbers represent the number of digits in a | |
3635 | * group. The first char in the string represents the number of digits | |
3636 | * in the least significant group. If a char is negative, it indicates | |
3637 | * an unlimited number of digits for the group. If more chars from the | |
3638 | * string are required to group a number, the last char is used | |
3639 | * repeatedly. | |
3640 | * | |
3641 | * For example, if the grouping() returns "\003\002" and is applied to | |
3642 | * the number 123456789, this corresponds to 12,34,56,789. Note that | |
3643 | * if the string was "32", this would put more than 50 digits into the | |
3644 | * least significant group if the character set is ASCII. | |
3645 | * | |
3646 | * The string is returned by calling | |
3647 | * moneypunct<char_type>::do_grouping(). | |
3648 | * | |
3649 | * @return string representing grouping specification. | |
3650 | */ | |
ed6814f7 | 3651 | string |
0214010c | 3652 | grouping() const |
0a1cceea | 3653 | { return this->do_grouping(); } |
725dc051 | 3654 | |
9a01c9b0 JQ |
3655 | /** |
3656 | * @brief Return currency symbol string. | |
3657 | * | |
3658 | * This function returns a string_type to use as a currency symbol. It | |
3659 | * does so by returning returning | |
3660 | * moneypunct<char_type>::do_curr_symbol(). | |
3661 | * | |
3662 | * @return @a string_type representing a currency symbol. | |
3663 | */ | |
ed6814f7 | 3664 | string_type |
0214010c | 3665 | curr_symbol() const |
0a1cceea | 3666 | { return this->do_curr_symbol(); } |
725dc051 | 3667 | |
9a01c9b0 JQ |
3668 | /** |
3669 | * @brief Return positive sign string. | |
3670 | * | |
3671 | * This function returns a string_type to use as a sign for positive | |
3672 | * amounts. It does so by returning returning | |
3673 | * moneypunct<char_type>::do_positive_sign(). | |
3674 | * | |
3675 | * If the return value contains more than one character, the first | |
3676 | * character appears in the position indicated by pos_format() and the | |
3677 | * remainder appear at the end of the formatted string. | |
3678 | * | |
3679 | * @return @a string_type representing a positive sign. | |
3680 | */ | |
ed6814f7 | 3681 | string_type |
725dc051 | 3682 | positive_sign() const |
0a1cceea | 3683 | { return this->do_positive_sign(); } |
725dc051 | 3684 | |
9a01c9b0 JQ |
3685 | /** |
3686 | * @brief Return negative sign string. | |
3687 | * | |
3688 | * This function returns a string_type to use as a sign for negative | |
3689 | * amounts. It does so by returning returning | |
3690 | * moneypunct<char_type>::do_negative_sign(). | |
3691 | * | |
3692 | * If the return value contains more than one character, the first | |
3693 | * character appears in the position indicated by neg_format() and the | |
3694 | * remainder appear at the end of the formatted string. | |
3695 | * | |
3696 | * @return @a string_type representing a negative sign. | |
3697 | */ | |
ed6814f7 | 3698 | string_type |
725dc051 | 3699 | negative_sign() const |
0a1cceea | 3700 | { return this->do_negative_sign(); } |
725dc051 | 3701 | |
9a01c9b0 JQ |
3702 | /** |
3703 | * @brief Return number of digits in fraction. | |
3704 | * | |
3705 | * This function returns the exact number of digits that make up the | |
3706 | * fractional part of a money amount. It does so by returning | |
3707 | * returning moneypunct<char_type>::do_frac_digits(). | |
3708 | * | |
3709 | * The fractional part of a money amount is optional. But if it is | |
3710 | * present, there must be frac_digits() digits. | |
3711 | * | |
3712 | * @return Number of digits in amount fraction. | |
3713 | */ | |
3714 | int | |
0214010c | 3715 | frac_digits() const |
0a1cceea | 3716 | { return this->do_frac_digits(); } |
725dc051 | 3717 | |
9a01c9b0 JQ |
3718 | //@{ |
3719 | /** | |
3720 | * @brief Return pattern for money values. | |
3721 | * | |
3722 | * This function returns a pattern describing the formatting of a | |
3723 | * positive or negative valued money amount. It does so by returning | |
3724 | * returning moneypunct<char_type>::do_pos_format() or | |
3725 | * moneypunct<char_type>::do_neg_format(). | |
3726 | * | |
3727 | * The pattern has 4 fields describing the ordering of symbol, sign, | |
3728 | * value, and none or space. There must be one of each in the pattern. | |
3729 | * The none and space enums may not appear in the first field and space | |
3730 | * may not appear in the final field. | |
3731 | * | |
3732 | * The parts of a money string must appear in the order indicated by | |
3733 | * the fields of the pattern. The symbol field indicates that the | |
3734 | * value of curr_symbol() may be present. The sign field indicates | |
3735 | * that the value of positive_sign() or negative_sign() must be | |
3736 | * present. The value field indicates that the absolute value of the | |
3737 | * money amount is present. none indicates 0 or more whitespace | |
3738 | * characters, except at the end, where it permits no whitespace. | |
3739 | * space indicates that 1 or more whitespace characters must be | |
3740 | * present. | |
3741 | * | |
3742 | * For example, for the US locale and pos_format() pattern | |
3743 | * {symbol,sign,value,none}, curr_symbol() == '$' positive_sign() == | |
3744 | * '+', and value 10.01, and options set to force the symbol, the | |
3745 | * corresponding string is "$+10.01". | |
3746 | * | |
3747 | * @return Pattern for money values. | |
3748 | */ | |
3749 | pattern | |
0214010c | 3750 | pos_format() const |
0a1cceea | 3751 | { return this->do_pos_format(); } |
725dc051 | 3752 | |
ed6814f7 | 3753 | pattern |
0214010c | 3754 | neg_format() const |
0a1cceea | 3755 | { return this->do_neg_format(); } |
9a01c9b0 | 3756 | //@} |
725dc051 BK |
3757 | |
3758 | protected: | |
9a01c9b0 | 3759 | /// Destructor. |
ed6814f7 | 3760 | virtual |
d3a193e3 | 3761 | ~moneypunct(); |
0214010c | 3762 | |
9a01c9b0 JQ |
3763 | /** |
3764 | * @brief Return decimal point character. | |
3765 | * | |
3766 | * Returns a char_type to use as a decimal point. This function is a | |
3767 | * hook for derived classes to change the value returned. | |
3768 | * | |
3769 | * @return @a char_type representing a decimal point. | |
3770 | */ | |
0214010c BK |
3771 | virtual char_type |
3772 | do_decimal_point() const | |
fea4065d | 3773 | { return _M_data->_M_decimal_point; } |
ed6814f7 | 3774 | |
9a01c9b0 JQ |
3775 | /** |
3776 | * @brief Return thousands separator character. | |
3777 | * | |
3778 | * Returns a char_type to use as a thousands separator. This function | |
3779 | * is a hook for derived classes to change the value returned. | |
3780 | * | |
3781 | * @return @a char_type representing a thousands separator. | |
3782 | */ | |
0214010c BK |
3783 | virtual char_type |
3784 | do_thousands_sep() const | |
fea4065d | 3785 | { return _M_data->_M_thousands_sep; } |
ed6814f7 | 3786 | |
9a01c9b0 JQ |
3787 | /** |
3788 | * @brief Return grouping specification. | |
3789 | * | |
3790 | * Returns a string representing groupings for the integer part of a | |
3791 | * number. This function is a hook for derived classes to change the | |
3792 | * value returned. @see grouping() for details. | |
3793 | * | |
3794 | * @return String representing grouping specification. | |
3795 | */ | |
ed6814f7 | 3796 | virtual string |
0214010c | 3797 | do_grouping() const |
fea4065d | 3798 | { return _M_data->_M_grouping; } |
725dc051 | 3799 | |
9a01c9b0 JQ |
3800 | /** |
3801 | * @brief Return currency symbol string. | |
3802 | * | |
3803 | * This function returns a string_type to use as a currency symbol. | |
3804 | * This function is a hook for derived classes to change the value | |
3805 | * returned. @see curr_symbol() for details. | |
3806 | * | |
3807 | * @return @a string_type representing a currency symbol. | |
3808 | */ | |
ed6814f7 | 3809 | virtual string_type |
725dc051 | 3810 | do_curr_symbol() const |
fea4065d | 3811 | { return _M_data->_M_curr_symbol; } |
725dc051 | 3812 | |
9a01c9b0 JQ |
3813 | /** |
3814 | * @brief Return positive sign string. | |
3815 | * | |
3816 | * This function returns a string_type to use as a sign for positive | |
3817 | * amounts. This function is a hook for derived classes to change the | |
3818 | * value returned. @see positive_sign() for details. | |
3819 | * | |
3820 | * @return @a string_type representing a positive sign. | |
3821 | */ | |
ed6814f7 | 3822 | virtual string_type |
725dc051 | 3823 | do_positive_sign() const |
fea4065d | 3824 | { return _M_data->_M_positive_sign; } |
725dc051 | 3825 | |
9a01c9b0 JQ |
3826 | /** |
3827 | * @brief Return negative sign string. | |
3828 | * | |
3829 | * This function returns a string_type to use as a sign for negative | |
3830 | * amounts. This function is a hook for derived classes to change the | |
3831 | * value returned. @see negative_sign() for details. | |
3832 | * | |
3833 | * @return @a string_type representing a negative sign. | |
3834 | */ | |
ed6814f7 | 3835 | virtual string_type |
725dc051 | 3836 | do_negative_sign() const |
fea4065d | 3837 | { return _M_data->_M_negative_sign; } |
725dc051 | 3838 | |
9a01c9b0 JQ |
3839 | /** |
3840 | * @brief Return number of digits in fraction. | |
3841 | * | |
3842 | * This function returns the exact number of digits that make up the | |
3843 | * fractional part of a money amount. This function is a hook for | |
3844 | * derived classes to change the value returned. @see frac_digits() | |
3845 | * for details. | |
3846 | * | |
3847 | * @return Number of digits in amount fraction. | |
3848 | */ | |
ed6814f7 | 3849 | virtual int |
725dc051 | 3850 | do_frac_digits() const |
fea4065d | 3851 | { return _M_data->_M_frac_digits; } |
725dc051 | 3852 | |
9a01c9b0 JQ |
3853 | /** |
3854 | * @brief Return pattern for money values. | |
3855 | * | |
3856 | * This function returns a pattern describing the formatting of a | |
3857 | * positive valued money amount. This function is a hook for derived | |
3858 | * classes to change the value returned. @see pos_format() for | |
3859 | * details. | |
3860 | * | |
3861 | * @return Pattern for money values. | |
3862 | */ | |
ed6814f7 | 3863 | virtual pattern |
725dc051 | 3864 | do_pos_format() const |
fea4065d | 3865 | { return _M_data->_M_pos_format; } |
725dc051 | 3866 | |
9a01c9b0 JQ |
3867 | /** |
3868 | * @brief Return pattern for money values. | |
3869 | * | |
3870 | * This function returns a pattern describing the formatting of a | |
3871 | * negative valued money amount. This function is a hook for derived | |
3872 | * classes to change the value returned. @see neg_format() for | |
3873 | * details. | |
3874 | * | |
3875 | * @return Pattern for money values. | |
3876 | */ | |
ed6814f7 | 3877 | virtual pattern |
725dc051 | 3878 | do_neg_format() const |
fea4065d | 3879 | { return _M_data->_M_neg_format; } |
725dc051 | 3880 | |
0214010c | 3881 | // For use at construction time only. |
ed6814f7 BI |
3882 | void |
3883 | _M_initialize_moneypunct(__c_locale __cloc = NULL, | |
fdf7e809 | 3884 | const char* __name = NULL); |
725dc051 BK |
3885 | }; |
3886 | ||
0a31609b BK |
3887 | template<typename _CharT, bool _Intl> |
3888 | locale::id moneypunct<_CharT, _Intl>::id; | |
3889 | ||
3890 | template<typename _CharT, bool _Intl> | |
3891 | const bool moneypunct<_CharT, _Intl>::intl; | |
3892 | ||
d3a193e3 BK |
3893 | template<> |
3894 | moneypunct<char, true>::~moneypunct(); | |
3895 | ||
3896 | template<> | |
3897 | moneypunct<char, false>::~moneypunct(); | |
3898 | ||
ed6814f7 | 3899 | template<> |
69971cd8 | 3900 | void |
fdf7e809 | 3901 | moneypunct<char, true>::_M_initialize_moneypunct(__c_locale, const char*); |
0214010c | 3902 | |
ed6814f7 | 3903 | template<> |
0214010c | 3904 | void |
fdf7e809 | 3905 | moneypunct<char, false>::_M_initialize_moneypunct(__c_locale, const char*); |
ea0c0b6e | 3906 | |
3d7c150e | 3907 | #ifdef _GLIBCXX_USE_WCHAR_T |
d3a193e3 BK |
3908 | template<> |
3909 | moneypunct<wchar_t, true>::~moneypunct(); | |
3910 | ||
3911 | template<> | |
3912 | moneypunct<wchar_t, false>::~moneypunct(); | |
3913 | ||
ed6814f7 | 3914 | template<> |
0214010c | 3915 | void |
ed6814f7 | 3916 | moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale, |
fdf7e809 | 3917 | const char*); |
69971cd8 | 3918 | |
ed6814f7 | 3919 | template<> |
69971cd8 | 3920 | void |
ed6814f7 | 3921 | moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale, |
fdf7e809 | 3922 | const char*); |
0214010c BK |
3923 | #endif |
3924 | ||
00aca6e8 | 3925 | /// @brief class moneypunct_byname [22.2.6.4]. |
0214010c BK |
3926 | template<typename _CharT, bool _Intl> |
3927 | class moneypunct_byname : public moneypunct<_CharT, _Intl> | |
725dc051 BK |
3928 | { |
3929 | public: | |
ed6814f7 BI |
3930 | typedef _CharT char_type; |
3931 | typedef basic_string<_CharT> string_type; | |
0214010c | 3932 | |
725dc051 BK |
3933 | static const bool intl = _Intl; |
3934 | ||
ed6814f7 | 3935 | explicit |
0214010c BK |
3936 | moneypunct_byname(const char* __s, size_t __refs = 0) |
3937 | : moneypunct<_CharT, _Intl>(__refs) | |
3938 | { | |
bf5fe473 BK |
3939 | if (std::strcmp(__s, "C") != 0 && std::strcmp(__s, "POSIX") != 0) |
3940 | { | |
3941 | __c_locale __tmp; | |
3942 | this->_S_create_c_locale(__tmp, __s); | |
ed6814f7 BI |
3943 | this->_M_initialize_moneypunct(__tmp); |
3944 | this->_S_destroy_c_locale(__tmp); | |
bf5fe473 | 3945 | } |
0214010c | 3946 | } |
725dc051 BK |
3947 | |
3948 | protected: | |
ed6814f7 | 3949 | virtual |
bf5fe473 | 3950 | ~moneypunct_byname() { } |
725dc051 BK |
3951 | }; |
3952 | ||
0a31609b BK |
3953 | template<typename _CharT, bool _Intl> |
3954 | const bool moneypunct_byname<_CharT, _Intl>::intl; | |
3955 | ||
9a01c9b0 JQ |
3956 | /** |
3957 | * @brief Facet for parsing monetary amounts. | |
3958 | * | |
3959 | * This facet encapsulates the code to parse and return a monetary | |
3960 | * amount from a string. | |
3961 | * | |
3962 | * The money_get template uses protected virtual functions to | |
3963 | * provide the actual results. The public accessors forward the | |
3964 | * call to the virtual functions. These virtual functions are | |
3965 | * hooks for developers to implement the behavior they require from | |
3966 | * the money_get facet. | |
3967 | */ | |
fb678854 | 3968 | template<typename _CharT, typename _InIter> |
586b5f20 | 3969 | class money_get : public locale::facet |
fb678854 BK |
3970 | { |
3971 | public: | |
1ab65677 | 3972 | // Types: |
9a01c9b0 JQ |
3973 | //@{ |
3974 | /// Public typedefs | |
ed6814f7 BI |
3975 | typedef _CharT char_type; |
3976 | typedef _InIter iter_type; | |
3977 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 3978 | //@} |
fb678854 | 3979 | |
9a01c9b0 | 3980 | /// Numpunct facet id. |
ed6814f7 | 3981 | static locale::id id; |
fb678854 | 3982 | |
9a01c9b0 JQ |
3983 | /** |
3984 | * @brief Constructor performs initialization. | |
3985 | * | |
3986 | * This is the constructor provided by the standard. | |
3987 | * | |
3988 | * @param refs Passed to the base facet class. | |
3989 | */ | |
ed6814f7 | 3990 | explicit |
fea4065d | 3991 | money_get(size_t __refs = 0) : facet(__refs) { } |
fb678854 | 3992 | |
9a01c9b0 JQ |
3993 | /** |
3994 | * @brief Read and parse a monetary value. | |
3995 | * | |
3996 | * This function reads characters from @a s, interprets them as a | |
3997 | * monetary value according to moneypunct and ctype facets retrieved | |
3998 | * from io.getloc(), and returns the result in @a units as an integral | |
3999 | * value moneypunct::frac_digits() * the actual amount. For example, | |
4000 | * the string $10.01 in a US locale would store 1001 in @a units. | |
4001 | * | |
4002 | * Any characters not part of a valid money amount are not consumed. | |
4003 | * | |
4004 | * If a money value cannot be parsed from the input stream, sets | |
4005 | * err=(err|io.failbit). If the stream is consumed before finishing | |
4006 | * parsing, sets err=(err|io.failbit|io.eofbit). @a units is | |
4007 | * unchanged if parsing fails. | |
4008 | * | |
4009 | * This function works by returning the result of do_get(). | |
4010 | * | |
4011 | * @param s Start of characters to parse. | |
4012 | * @param end End of characters to parse. | |
4013 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4014 | * @param io Source of facets and io state. | |
4015 | * @param err Error field to set if parsing fails. | |
4016 | * @param units Place to store result of parsing. | |
4017 | * @return Iterator referencing first character beyond valid money | |
ed6814f7 | 4018 | * amount. |
9a01c9b0 JQ |
4019 | */ |
4020 | iter_type | |
ed6814f7 | 4021 | get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, |
e08138aa BK |
4022 | ios_base::iostate& __err, long double& __units) const |
4023 | { return this->do_get(__s, __end, __intl, __io, __err, __units); } | |
fb678854 | 4024 | |
9a01c9b0 JQ |
4025 | /** |
4026 | * @brief Read and parse a monetary value. | |
4027 | * | |
4028 | * This function reads characters from @a s, interprets them as a | |
4029 | * monetary value according to moneypunct and ctype facets retrieved | |
4030 | * from io.getloc(), and returns the result in @a digits. For example, | |
4031 | * the string $10.01 in a US locale would store "1001" in @a digits. | |
4032 | * | |
4033 | * Any characters not part of a valid money amount are not consumed. | |
4034 | * | |
4035 | * If a money value cannot be parsed from the input stream, sets | |
4036 | * err=(err|io.failbit). If the stream is consumed before finishing | |
4037 | * parsing, sets err=(err|io.failbit|io.eofbit). | |
4038 | * | |
4039 | * This function works by returning the result of do_get(). | |
4040 | * | |
4041 | * @param s Start of characters to parse. | |
4042 | * @param end End of characters to parse. | |
4043 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4044 | * @param io Source of facets and io state. | |
4045 | * @param err Error field to set if parsing fails. | |
4046 | * @param digits Place to store result of parsing. | |
4047 | * @return Iterator referencing first character beyond valid money | |
ed6814f7 | 4048 | * amount. |
9a01c9b0 | 4049 | */ |
ed6814f7 BI |
4050 | iter_type |
4051 | get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
fb678854 | 4052 | ios_base::iostate& __err, string_type& __digits) const |
e08138aa | 4053 | { return this->do_get(__s, __end, __intl, __io, __err, __digits); } |
fb678854 BK |
4054 | |
4055 | protected: | |
9a01c9b0 | 4056 | /// Destructor. |
ed6814f7 | 4057 | virtual |
fb678854 BK |
4058 | ~money_get() { } |
4059 | ||
9a01c9b0 JQ |
4060 | /** |
4061 | * @brief Read and parse a monetary value. | |
4062 | * | |
4063 | * This function reads and parses characters representing a monetary | |
4064 | * value. This function is a hook for derived classes to change the | |
4065 | * value returned. @see get() for details. | |
4066 | */ | |
ed6814f7 BI |
4067 | virtual iter_type |
4068 | do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
e08138aa | 4069 | ios_base::iostate& __err, long double& __units) const; |
fb678854 | 4070 | |
9a01c9b0 JQ |
4071 | /** |
4072 | * @brief Read and parse a monetary value. | |
4073 | * | |
4074 | * This function reads and parses characters representing a monetary | |
4075 | * value. This function is a hook for derived classes to change the | |
4076 | * value returned. @see get() for details. | |
4077 | */ | |
ed6814f7 BI |
4078 | virtual iter_type |
4079 | do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io, | |
e08138aa | 4080 | ios_base::iostate& __err, string_type& __digits) const; |
2ddf25f2 | 4081 | |
20da06ef PC |
4082 | template<bool _Intl> |
4083 | iter_type | |
4084 | _M_extract(iter_type __s, iter_type __end, ios_base& __io, | |
f4bdbead | 4085 | ios_base::iostate& __err, string& __digits) const; |
fb678854 BK |
4086 | }; |
4087 | ||
4088 | template<typename _CharT, typename _InIter> | |
4089 | locale::id money_get<_CharT, _InIter>::id; | |
4090 | ||
9a01c9b0 JQ |
4091 | /** |
4092 | * @brief Facet for outputting monetary amounts. | |
4093 | * | |
4094 | * This facet encapsulates the code to format and output a monetary | |
4095 | * amount. | |
4096 | * | |
4097 | * The money_put template uses protected virtual functions to | |
4098 | * provide the actual results. The public accessors forward the | |
4099 | * call to the virtual functions. These virtual functions are | |
4100 | * hooks for developers to implement the behavior they require from | |
4101 | * the money_put facet. | |
4102 | */ | |
fb678854 | 4103 | template<typename _CharT, typename _OutIter> |
586b5f20 | 4104 | class money_put : public locale::facet |
fb678854 BK |
4105 | { |
4106 | public: | |
9a01c9b0 JQ |
4107 | //@{ |
4108 | /// Public typedefs | |
ed6814f7 BI |
4109 | typedef _CharT char_type; |
4110 | typedef _OutIter iter_type; | |
fb678854 | 4111 | typedef basic_string<_CharT> string_type; |
9a01c9b0 | 4112 | //@} |
fb678854 | 4113 | |
9a01c9b0 | 4114 | /// Numpunct facet id. |
ed6814f7 | 4115 | static locale::id id; |
fb678854 | 4116 | |
9a01c9b0 JQ |
4117 | /** |
4118 | * @brief Constructor performs initialization. | |
4119 | * | |
4120 | * This is the constructor provided by the standard. | |
4121 | * | |
4122 | * @param refs Passed to the base facet class. | |
4123 | */ | |
ed6814f7 | 4124 | explicit |
fea4065d | 4125 | money_put(size_t __refs = 0) : facet(__refs) { } |
fb678854 | 4126 | |
9a01c9b0 JQ |
4127 | /** |
4128 | * @brief Format and output a monetary value. | |
4129 | * | |
4130 | * This function formats @a units as a monetary value according to | |
4131 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
4132 | * the resulting characters to @a s. For example, the value 1001 in a | |
4133 | * US locale would write "$10.01" to @a s. | |
4134 | * | |
4135 | * This function works by returning the result of do_put(). | |
4136 | * | |
4137 | * @param s The stream to write to. | |
4138 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4139 | * @param io Source of facets and io state. | |
4140 | * @param fill char_type to use for padding. | |
4141 | * @param units Place to store result of parsing. | |
4142 | * @return Iterator after writing. | |
4143 | */ | |
ed6814f7 | 4144 | iter_type |
e08138aa | 4145 | put(iter_type __s, bool __intl, ios_base& __io, |
fb678854 | 4146 | char_type __fill, long double __units) const |
e08138aa | 4147 | { return this->do_put(__s, __intl, __io, __fill, __units); } |
fb678854 | 4148 | |
9a01c9b0 JQ |
4149 | /** |
4150 | * @brief Format and output a monetary value. | |
4151 | * | |
4152 | * This function formats @a digits as a monetary value according to | |
4153 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
4154 | * the resulting characters to @a s. For example, the string "1001" in | |
4155 | * a US locale would write "$10.01" to @a s. | |
4156 | * | |
4157 | * This function works by returning the result of do_put(). | |
4158 | * | |
4159 | * @param s The stream to write to. | |
4160 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4161 | * @param io Source of facets and io state. | |
4162 | * @param fill char_type to use for padding. | |
4163 | * @param units Place to store result of parsing. | |
4164 | * @return Iterator after writing. | |
4165 | */ | |
ed6814f7 | 4166 | iter_type |
e08138aa | 4167 | put(iter_type __s, bool __intl, ios_base& __io, |
fb678854 | 4168 | char_type __fill, const string_type& __digits) const |
e08138aa | 4169 | { return this->do_put(__s, __intl, __io, __fill, __digits); } |
fb678854 BK |
4170 | |
4171 | protected: | |
9a01c9b0 | 4172 | /// Destructor. |
ed6814f7 | 4173 | virtual |
fb678854 BK |
4174 | ~money_put() { } |
4175 | ||
9a01c9b0 JQ |
4176 | /** |
4177 | * @brief Format and output a monetary value. | |
4178 | * | |
4179 | * This function formats @a units as a monetary value according to | |
4180 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
4181 | * the resulting characters to @a s. For example, the value 1001 in a | |
4182 | * US locale would write "$10.01" to @a s. | |
4183 | * | |
4184 | * This function is a hook for derived classes to change the value | |
4185 | * returned. @see put(). | |
4186 | * | |
4187 | * @param s The stream to write to. | |
4188 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4189 | * @param io Source of facets and io state. | |
4190 | * @param fill char_type to use for padding. | |
4191 | * @param units Place to store result of parsing. | |
4192 | * @return Iterator after writing. | |
4193 | */ | |
fb678854 BK |
4194 | virtual iter_type |
4195 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
4196 | long double __units) const; | |
4197 | ||
9a01c9b0 JQ |
4198 | /** |
4199 | * @brief Format and output a monetary value. | |
4200 | * | |
4201 | * This function formats @a digits as a monetary value according to | |
4202 | * moneypunct and ctype facets retrieved from io.getloc(), and writes | |
4203 | * the resulting characters to @a s. For example, the string "1001" in | |
4204 | * a US locale would write "$10.01" to @a s. | |
4205 | * | |
4206 | * This function is a hook for derived classes to change the value | |
4207 | * returned. @see put(). | |
4208 | * | |
4209 | * @param s The stream to write to. | |
4210 | * @param intl Parameter to use_facet<moneypunct<CharT,intl> >. | |
4211 | * @param io Source of facets and io state. | |
4212 | * @param fill char_type to use for padding. | |
4213 | * @param units Place to store result of parsing. | |
4214 | * @return Iterator after writing. | |
4215 | */ | |
fb678854 BK |
4216 | virtual iter_type |
4217 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
4218 | const string_type& __digits) const; | |
2ddf25f2 | 4219 | |
fe932e50 PC |
4220 | template<bool _Intl> |
4221 | iter_type | |
4222 | _M_insert(iter_type __s, ios_base& __io, char_type __fill, | |
4223 | const string_type& __digits) const; | |
fb678854 BK |
4224 | }; |
4225 | ||
4226 | template<typename _CharT, typename _OutIter> | |
4227 | locale::id money_put<_CharT, _OutIter>::id; | |
4228 | ||
9a01c9b0 JQ |
4229 | /** |
4230 | * @brief Messages facet base class providing catalog typedef. | |
4231 | */ | |
725dc051 BK |
4232 | struct messages_base |
4233 | { | |
4234 | typedef int catalog; | |
4235 | }; | |
4236 | ||
9a01c9b0 JQ |
4237 | /** |
4238 | * @brief Facet for handling message catalogs | |
4239 | * | |
4240 | * This facet encapsulates the code to retrieve messages from | |
4241 | * message catalogs. The only thing defined by the standard for this facet | |
4242 | * is the interface. All underlying functionality is | |
4243 | * implementation-defined. | |
4244 | * | |
4245 | * This library currently implements 3 versions of the message facet. The | |
4246 | * first version (gnu) is a wrapper around gettext, provided by libintl. | |
4247 | * The second version (ieee) is a wrapper around catgets. The final | |
4248 | * version (default) does no actual translation. These implementations are | |
4249 | * only provided for char and wchar_t instantiations. | |
4250 | * | |
4251 | * The messages template uses protected virtual functions to | |
4252 | * provide the actual results. The public accessors forward the | |
4253 | * call to the virtual functions. These virtual functions are | |
4254 | * hooks for developers to implement the behavior they require from | |
4255 | * the messages facet. | |
4256 | */ | |
725dc051 | 4257 | template<typename _CharT> |
0214010c | 4258 | class messages : public locale::facet, public messages_base |
725dc051 BK |
4259 | { |
4260 | public: | |
33590f13 | 4261 | // Types: |
9a01c9b0 JQ |
4262 | //@{ |
4263 | /// Public typedefs | |
ed6814f7 BI |
4264 | typedef _CharT char_type; |
4265 | typedef basic_string<_CharT> string_type; | |
9a01c9b0 | 4266 | //@} |
0214010c | 4267 | |
33590f13 BK |
4268 | protected: |
4269 | // Underlying "C" library locale information saved from | |
4270 | // initialization, needed by messages_byname as well. | |
ea0c0b6e | 4271 | __c_locale _M_c_locale_messages; |
8ae81136 | 4272 | const char* _M_name_messages; |
33590f13 BK |
4273 | |
4274 | public: | |
9a01c9b0 | 4275 | /// Numpunct facet id. |
ed6814f7 | 4276 | static locale::id id; |
0214010c | 4277 | |
9a01c9b0 JQ |
4278 | /** |
4279 | * @brief Constructor performs initialization. | |
4280 | * | |
4281 | * This is the constructor provided by the standard. | |
4282 | * | |
4283 | * @param refs Passed to the base facet class. | |
4284 | */ | |
ed6814f7 | 4285 | explicit |
1c26d8fd | 4286 | messages(size_t __refs = 0); |
33590f13 | 4287 | |
ea0c0b6e | 4288 | // Non-standard. |
9a01c9b0 JQ |
4289 | /** |
4290 | * @brief Internal constructor. Not for general use. | |
4291 | * | |
4292 | * This is a constructor for use by the library itself to set up new | |
4293 | * locales. | |
4294 | * | |
4295 | * @param cloc The "C" locale. | |
4296 | * @param s The name of a locale. | |
4297 | * @param refs Refcount to pass to the base class. | |
4298 | */ | |
ed6814f7 | 4299 | explicit |
1c26d8fd | 4300 | messages(__c_locale __cloc, const char* __s, size_t __refs = 0); |
725dc051 | 4301 | |
9a01c9b0 JQ |
4302 | /* |
4303 | * @brief Open a message catalog. | |
4304 | * | |
4305 | * This function opens and returns a handle to a message catalog by | |
4306 | * returning do_open(s, loc). | |
4307 | * | |
4308 | * @param s The catalog to open. | |
4309 | * @param loc Locale to use for character set conversions. | |
4310 | * @return Handle to the catalog or value < 0 if open fails. | |
4311 | */ | |
ed6814f7 | 4312 | catalog |
725dc051 | 4313 | open(const basic_string<char>& __s, const locale& __loc) const |
33590f13 BK |
4314 | { return this->do_open(__s, __loc); } |
4315 | ||
4316 | // Non-standard and unorthodox, yet effective. | |
9a01c9b0 JQ |
4317 | /* |
4318 | * @brief Open a message catalog. | |
4319 | * | |
4320 | * This non-standard function opens and returns a handle to a message | |
4321 | * catalog by returning do_open(s, loc). The third argument provides a | |
4322 | * message catalog root directory for gnu gettext and is ignored | |
4323 | * otherwise. | |
4324 | * | |
4325 | * @param s The catalog to open. | |
4326 | * @param loc Locale to use for character set conversions. | |
4327 | * @param dir Message catalog root directory. | |
4328 | * @return Handle to the catalog or value < 0 if open fails. | |
4329 | */ | |
ed6814f7 | 4330 | catalog |
33590f13 | 4331 | open(const basic_string<char>&, const locale&, const char*) const; |
725dc051 | 4332 | |
9a01c9b0 JQ |
4333 | /* |
4334 | * @brief Look up a string in a message catalog. | |
4335 | * | |
4336 | * This function retrieves and returns a message from a catalog by | |
4337 | * returning do_get(c, set, msgid, s). | |
4338 | * | |
4339 | * For gnu, @a set and @a msgid are ignored. Returns gettext(s). | |
4340 | * For default, returns s. For ieee, returns catgets(c,set,msgid,s). | |
4341 | * | |
4342 | * @param c The catalog to access. | |
4343 | * @param set Implementation-defined. | |
4344 | * @param msgid Implementation-defined. | |
4345 | * @param s Default return value if retrieval fails. | |
4346 | * @return Retrieved message or @a s if get fails. | |
4347 | */ | |
ed6814f7 | 4348 | string_type |
725dc051 | 4349 | get(catalog __c, int __set, int __msgid, const string_type& __s) const |
33590f13 | 4350 | { return this->do_get(__c, __set, __msgid, __s); } |
725dc051 | 4351 | |
9a01c9b0 JQ |
4352 | /* |
4353 | * @brief Close a message catalog. | |
4354 | * | |
4355 | * Closes catalog @a c by calling do_close(c). | |
4356 | * | |
4357 | * @param c The catalog to close. | |
4358 | */ | |
ed6814f7 | 4359 | void |
725dc051 | 4360 | close(catalog __c) const |
33590f13 | 4361 | { return this->do_close(__c); } |
725dc051 BK |
4362 | |
4363 | protected: | |
9a01c9b0 | 4364 | /// Destructor. |
ed6814f7 | 4365 | virtual |
1c26d8fd | 4366 | ~messages(); |
725dc051 | 4367 | |
9a01c9b0 JQ |
4368 | /* |
4369 | * @brief Open a message catalog. | |
4370 | * | |
4371 | * This function opens and returns a handle to a message catalog in an | |
4372 | * implementation-defined manner. This function is a hook for derived | |
4373 | * classes to change the value returned. | |
4374 | * | |
4375 | * @param s The catalog to open. | |
4376 | * @param loc Locale to use for character set conversions. | |
4377 | * @return Handle to the opened catalog, value < 0 if open failed. | |
4378 | */ | |
ed6814f7 | 4379 | virtual catalog |
33590f13 | 4380 | do_open(const basic_string<char>&, const locale&) const; |
725dc051 | 4381 | |
9a01c9b0 JQ |
4382 | /* |
4383 | * @brief Look up a string in a message catalog. | |
4384 | * | |
4385 | * This function retrieves and returns a message from a catalog in an | |
4386 | * implementation-defined manner. This function is a hook for derived | |
4387 | * classes to change the value returned. | |
4388 | * | |
4389 | * For gnu, @a set and @a msgid are ignored. Returns gettext(s). | |
4390 | * For default, returns s. For ieee, returns catgets(c,set,msgid,s). | |
4391 | * | |
4392 | * @param c The catalog to access. | |
4393 | * @param set Implementation-defined. | |
4394 | * @param msgid Implementation-defined. | |
4395 | * @param s Default return value if retrieval fails. | |
4396 | * @return Retrieved message or @a s if get fails. | |
4397 | */ | |
ed6814f7 | 4398 | virtual string_type |
33590f13 | 4399 | do_get(catalog, int, int, const string_type& __dfault) const; |
725dc051 | 4400 | |
9a01c9b0 JQ |
4401 | /* |
4402 | * @brief Close a message catalog. | |
4403 | * | |
4404 | * @param c The catalog to close. | |
4405 | */ | |
ed6814f7 | 4406 | virtual void |
33590f13 BK |
4407 | do_close(catalog) const; |
4408 | ||
4409 | // Returns a locale and codeset-converted string, given a char* message. | |
4410 | char* | |
4411 | _M_convert_to_char(const string_type& __msg) const | |
4412 | { | |
4413 | // XXX | |
4414 | return reinterpret_cast<char*>(const_cast<_CharT*>(__msg.c_str())); | |
4415 | } | |
4416 | ||
4417 | // Returns a locale and codeset-converted string, given a char* message. | |
4418 | string_type | |
22352844 | 4419 | _M_convert_from_char(char*) const |
33590f13 | 4420 | { |
22352844 | 4421 | #if 0 |
33590f13 BK |
4422 | // Length of message string without terminating null. |
4423 | size_t __len = char_traits<char>::length(__msg) - 1; | |
4424 | ||
4425 | // "everybody can easily convert the string using | |
4426 | // mbsrtowcs/wcsrtombs or with iconv()" | |
22352844 | 4427 | |
33590f13 BK |
4428 | // Convert char* to _CharT in locale used to open catalog. |
4429 | // XXX need additional template parameter on messages class for this.. | |
4430 | // typedef typename codecvt<char, _CharT, _StateT> __codecvt_type; | |
ed6814f7 | 4431 | typedef typename codecvt<char, _CharT, mbstate_t> __codecvt_type; |
33590f13 BK |
4432 | |
4433 | __codecvt_type::state_type __state; | |
4434 | // XXX may need to initialize state. | |
4435 | //initialize_state(__state._M_init()); | |
ed6814f7 | 4436 | |
33590f13 BK |
4437 | char* __from_next; |
4438 | // XXX what size for this string? | |
4439 | _CharT* __to = static_cast<_CharT*>(__builtin_alloca(__len + 1)); | |
4440 | const __codecvt_type& __cvt = use_facet<__codecvt_type>(_M_locale_conv); | |
4441 | __cvt.out(__state, __msg, __msg + __len, __from_next, | |
4442 | __to, __to + __len + 1, __to_next); | |
4443 | return string_type(__to); | |
4444 | #endif | |
4445 | #if 0 | |
4446 | typedef ctype<_CharT> __ctype_type; | |
4447 | // const __ctype_type& __cvt = use_facet<__ctype_type>(_M_locale_msg); | |
4448 | const __ctype_type& __cvt = use_facet<__ctype_type>(locale()); | |
4449 | // XXX Again, proper length of converted string an issue here. | |
4450 | // For now, assume the converted length is not larger. | |
4451 | _CharT* __dest = static_cast<_CharT*>(__builtin_alloca(__len + 1)); | |
4452 | __cvt.widen(__msg, __msg + __len, __dest); | |
4453 | return basic_string<_CharT>(__dest); | |
4454 | #endif | |
4455 | return string_type(); | |
4456 | } | |
4457 | }; | |
725dc051 | 4458 | |
0a31609b BK |
4459 | template<typename _CharT> |
4460 | locale::id messages<_CharT>::id; | |
4461 | ||
33590f13 BK |
4462 | // Specializations for required instantiations. |
4463 | template<> | |
4464 | string | |
4465 | messages<char>::do_get(catalog, int, int, const string&) const; | |
4466 | ||
3d7c150e | 4467 | #ifdef _GLIBCXX_USE_WCHAR_T |
89671b70 JJ |
4468 | template<> |
4469 | wstring | |
4470 | messages<wchar_t>::do_get(catalog, int, int, const wstring&) const; | |
4471 | #endif | |
4472 | ||
00aca6e8 BK |
4473 | /// @brief class messages_byname [22.2.7.2]. |
4474 | template<typename _CharT> | |
725dc051 BK |
4475 | class messages_byname : public messages<_CharT> |
4476 | { | |
4477 | public: | |
ed6814f7 BI |
4478 | typedef _CharT char_type; |
4479 | typedef basic_string<_CharT> string_type; | |
725dc051 | 4480 | |
ed6814f7 | 4481 | explicit |
1c26d8fd | 4482 | messages_byname(const char* __s, size_t __refs = 0); |
725dc051 BK |
4483 | |
4484 | protected: | |
ed6814f7 BI |
4485 | virtual |
4486 | ~messages_byname() | |
33590f13 | 4487 | { } |
725dc051 BK |
4488 | }; |
4489 | ||
1c26d8fd BK |
4490 | // Include host and configuration specific messages functions. |
4491 | #include <bits/messages_members.h> | |
4492 | ||
725dc051 | 4493 | |
69971cd8 BK |
4494 | // Subclause convenience interfaces, inlines. |
4495 | // NB: These are inline because, when used in a loop, some compilers | |
4496 | // can hoist the body out of the loop; then it's just as fast as the | |
4497 | // C is*() function. | |
00aca6e8 BK |
4498 | |
4499 | /// Convenience interface to ctype.is(ctype_base::space, __c). | |
725dc051 | 4500 | template<typename _CharT> |
ed6814f7 | 4501 | inline bool |
725dc051 BK |
4502 | isspace(_CharT __c, const locale& __loc) |
4503 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c); } | |
4504 | ||
00aca6e8 | 4505 | /// Convenience interface to ctype.is(ctype_base::print, __c). |
725dc051 | 4506 | template<typename _CharT> |
ed6814f7 | 4507 | inline bool |
725dc051 BK |
4508 | isprint(_CharT __c, const locale& __loc) |
4509 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c); } | |
4510 | ||
00aca6e8 | 4511 | /// Convenience interface to ctype.is(ctype_base::cntrl, __c). |
725dc051 | 4512 | template<typename _CharT> |
ed6814f7 | 4513 | inline bool |
725dc051 BK |
4514 | iscntrl(_CharT __c, const locale& __loc) |
4515 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c); } | |
4516 | ||
00aca6e8 | 4517 | /// Convenience interface to ctype.is(ctype_base::upper, __c). |
725dc051 | 4518 | template<typename _CharT> |
ed6814f7 | 4519 | inline bool |
725dc051 BK |
4520 | isupper(_CharT __c, const locale& __loc) |
4521 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c); } | |
4522 | ||
00aca6e8 | 4523 | /// Convenience interface to ctype.is(ctype_base::lower, __c). |
725dc051 | 4524 | template<typename _CharT> |
00aca6e8 BK |
4525 | inline bool |
4526 | islower(_CharT __c, const locale& __loc) | |
725dc051 BK |
4527 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c); } |
4528 | ||
00aca6e8 | 4529 | /// Convenience interface to ctype.is(ctype_base::alpha, __c). |
725dc051 | 4530 | template<typename _CharT> |
ed6814f7 | 4531 | inline bool |
725dc051 BK |
4532 | isalpha(_CharT __c, const locale& __loc) |
4533 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c); } | |
4534 | ||
00aca6e8 | 4535 | /// Convenience interface to ctype.is(ctype_base::digit, __c). |
725dc051 | 4536 | template<typename _CharT> |
ed6814f7 | 4537 | inline bool |
725dc051 BK |
4538 | isdigit(_CharT __c, const locale& __loc) |
4539 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c); } | |
4540 | ||
00aca6e8 | 4541 | /// Convenience interface to ctype.is(ctype_base::punct, __c). |
725dc051 | 4542 | template<typename _CharT> |
ed6814f7 | 4543 | inline bool |
725dc051 BK |
4544 | ispunct(_CharT __c, const locale& __loc) |
4545 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c); } | |
4546 | ||
00aca6e8 | 4547 | /// Convenience interface to ctype.is(ctype_base::xdigit, __c). |
725dc051 | 4548 | template<typename _CharT> |
ed6814f7 | 4549 | inline bool |
725dc051 BK |
4550 | isxdigit(_CharT __c, const locale& __loc) |
4551 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c); } | |
4552 | ||
00aca6e8 | 4553 | /// Convenience interface to ctype.is(ctype_base::alnum, __c). |
725dc051 | 4554 | template<typename _CharT> |
ed6814f7 | 4555 | inline bool |
725dc051 BK |
4556 | isalnum(_CharT __c, const locale& __loc) |
4557 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c); } | |
4558 | ||
00aca6e8 | 4559 | /// Convenience interface to ctype.is(ctype_base::graph, __c). |
725dc051 | 4560 | template<typename _CharT> |
ed6814f7 | 4561 | inline bool |
725dc051 BK |
4562 | isgraph(_CharT __c, const locale& __loc) |
4563 | { return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c); } | |
4564 | ||
00aca6e8 | 4565 | /// Convenience interface to ctype.toupper(__c). |
725dc051 | 4566 | template<typename _CharT> |
ed6814f7 | 4567 | inline _CharT |
725dc051 BK |
4568 | toupper(_CharT __c, const locale& __loc) |
4569 | { return use_facet<ctype<_CharT> >(__loc).toupper(__c); } | |
4570 | ||
00aca6e8 | 4571 | /// Convenience interface to ctype.tolower(__c). |
725dc051 | 4572 | template<typename _CharT> |
ed6814f7 | 4573 | inline _CharT |
725dc051 BK |
4574 | tolower(_CharT __c, const locale& __loc) |
4575 | { return use_facet<ctype<_CharT> >(__loc).tolower(__c); } | |
3cbc7af0 BK |
4576 | |
4577 | _GLIBCXX_END_NAMESPACE | |
725dc051 | 4578 | |
69971cd8 | 4579 | #endif |