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1d487aca | 1 | // Locale support -*- C++ -*- |
2 | ||
df79fbbb | 3 | // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 |
4 | // Free Software Foundation, Inc. | |
1d487aca | 5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
9 | // Free Software Foundation; either version 2, or (at your option) | |
10 | // any later version. | |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
18 | // with this library; see the file COPYING. If not, write to the Free | |
19 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
20 | // USA. | |
21 | ||
22 | // As a special exception, you may use this file as part of a free software | |
23 | // library without restriction. Specifically, if other files instantiate | |
24 | // templates or use macros or inline functions from this file, or you compile | |
25 | // this file and link it with other files to produce an executable, this | |
26 | // file does not by itself cause the resulting executable to be covered by | |
27 | // the GNU General Public License. This exception does not however | |
28 | // invalidate any other reasons why the executable file might be covered by | |
29 | // the GNU General Public License. | |
30 | ||
f97f597e | 31 | // Warning: this file is not meant for user inclusion. Use <locale>. |
1d487aca | 32 | |
33 | #ifndef _CPP_BITS_LOCFACETS_TCC | |
34 | #define _CPP_BITS_LOCFACETS_TCC 1 | |
35 | ||
24a7b0dd | 36 | #pragma GCC system_header |
37 | ||
e1e0016d | 38 | #include <cerrno> |
39 | #include <clocale> // For localeconv | |
40 | #include <cstdlib> // For strof, strtold | |
41 | #include <cmath> // For ceil | |
42 | #include <cctype> // For isspace | |
43 | #include <limits> // For numeric_limits | |
df79fbbb | 44 | #include <bits/streambuf_iterator.h> |
df79fbbb | 45 | #include <typeinfo> // For bad_cast. |
1d487aca | 46 | |
47 | namespace std | |
48 | { | |
49 | template<typename _Facet> | |
50 | locale | |
6b142aa3 | 51 | locale::combine(const locale& __other) const |
1d487aca | 52 | { |
6a2b8c8a | 53 | _Impl* __tmp = new _Impl(*_M_impl, 1); |
23e98236 | 54 | __tmp->_M_replace_facet(__other._M_impl, &_Facet::id); |
55 | return locale(__tmp); | |
1d487aca | 56 | } |
57 | ||
58 | template<typename _CharT, typename _Traits, typename _Alloc> | |
59 | bool | |
60 | locale::operator()(const basic_string<_CharT, _Traits, _Alloc>& __s1, | |
61 | const basic_string<_CharT, _Traits, _Alloc>& __s2) const | |
62 | { | |
1d487aca | 63 | typedef std::collate<_CharT> __collate_type; |
24a656f2 | 64 | const __collate_type& __collate = use_facet<__collate_type>(*this); |
65 | return (__collate.compare(__s1.data(), __s1.data() + __s1.length(), | |
66 | __s2.data(), __s2.data() + __s2.length()) < 0); | |
1d487aca | 67 | } |
68 | ||
69 | template<typename _Facet> | |
70 | const _Facet& | |
71 | use_facet(const locale& __loc) | |
72 | { | |
5f8a31fe | 73 | size_t __i = _Facet::id._M_id(); |
74 | locale::facet** __facets = __loc._M_impl->_M_facets; | |
75 | if (!(__i < __loc._M_impl->_M_facets_size && __facets[__i])) | |
85d54afa | 76 | __throw_bad_cast(); |
5f8a31fe | 77 | return static_cast<const _Facet&>(*__facets[__i]); |
1d487aca | 78 | } |
79 | ||
80 | template<typename _Facet> | |
81 | bool | |
82 | has_facet(const locale& __loc) throw() | |
83 | { | |
5f8a31fe | 84 | size_t __i = _Facet::id._M_id(); |
85 | locale::facet** __facets = __loc._M_impl->_M_facets; | |
86 | return (__i < __loc._M_impl->_M_facets_size && __facets[__i]); | |
1d487aca | 87 | } |
88 | ||
1d487aca | 89 | |
df79fbbb | 90 | // Stage 1: Determine a conversion specifier. |
ba6690e3 | 91 | template<typename _CharT, typename _InIter> |
850ede69 | 92 | _InIter |
ba6690e3 | 93 | num_get<_CharT, _InIter>:: |
24a656f2 | 94 | _M_extract_float(_InIter __beg, _InIter __end, ios_base& __io, |
816c230b | 95 | ios_base::iostate& __err, string& __xtrc) const |
1d487aca | 96 | { |
0cb0a61b | 97 | typedef char_traits<_CharT> __traits_type; |
24a656f2 | 98 | const locale __loc = __io.getloc(); |
99 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
100 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); | |
24a656f2 | 101 | |
df79fbbb | 102 | // First check for sign. |
24a656f2 | 103 | const char_type __plus = __ctype.widen('+'); |
104 | const char_type __minus = __ctype.widen('-'); | |
816c230b | 105 | int __pos = 0; |
106 | char_type __c = *__beg; | |
0cb0a61b | 107 | if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus)) |
108 | && __beg != __end) | |
24a656f2 | 109 | { |
816c230b | 110 | __xtrc += __ctype.narrow(__c, char()); |
111 | ++__pos; | |
24a656f2 | 112 | __c = *(++__beg); |
113 | } | |
114 | ||
115 | // Next, strip leading zeros. | |
116 | const char_type __zero = __ctype.widen(_S_atoms[_M_zero]); | |
117 | bool __found_zero = false; | |
0cb0a61b | 118 | while (__traits_type::eq(__c, __zero) && __beg != __end) |
24a656f2 | 119 | { |
120 | __c = *(++__beg); | |
121 | __found_zero = true; | |
122 | } | |
123 | if (__found_zero) | |
816c230b | 124 | { |
125 | __xtrc += _S_atoms[_M_zero]; | |
126 | ++__pos; | |
127 | } | |
24a656f2 | 128 | |
129 | // Only need acceptable digits for floating point numbers. | |
130 | const size_t __len = _M_E - _M_zero + 1; | |
131 | char_type __watoms[__len]; | |
132 | __ctype.widen(_S_atoms, _S_atoms + __len, __watoms); | |
133 | bool __found_dec = false; | |
134 | bool __found_sci = false; | |
135 | const char_type __dec = __np.decimal_point(); | |
136 | ||
137 | string __found_grouping; | |
138 | const string __grouping = __np.grouping(); | |
139 | bool __check_grouping = __grouping.size(); | |
140 | int __sep_pos = 0; | |
141 | const char_type __sep = __np.thousands_sep(); | |
142 | ||
143 | while (__beg != __end) | |
144 | { | |
145 | // Only look in digits. | |
24a656f2 | 146 | const char_type* __p = __traits_type::find(__watoms, 10, __c); |
147 | ||
148 | // NB: strchr returns true for __c == 0x0 | |
0cb0a61b | 149 | if (__p && !__traits_type::eq(__c, char_type())) |
24a656f2 | 150 | { |
151 | // Try first for acceptable digit; record it if found. | |
816c230b | 152 | ++__pos; |
153 | __xtrc += _S_atoms[__p - __watoms]; | |
24a656f2 | 154 | ++__sep_pos; |
155 | __c = *(++__beg); | |
156 | } | |
0cb0a61b | 157 | else if (__traits_type::eq(__c, __sep) |
158 | && __check_grouping && !__found_dec) | |
24a656f2 | 159 | { |
160 | // NB: Thousands separator at the beginning of a string | |
161 | // is a no-no, as is two consecutive thousands separators. | |
162 | if (__sep_pos) | |
163 | { | |
164 | __found_grouping += static_cast<char>(__sep_pos); | |
165 | __sep_pos = 0; | |
166 | __c = *(++__beg); | |
167 | } | |
168 | else | |
169 | { | |
170 | __err |= ios_base::failbit; | |
171 | break; | |
172 | } | |
173 | } | |
0cb0a61b | 174 | else if (__traits_type::eq(__c, __dec) && !__found_dec) |
24a656f2 | 175 | { |
8f0c2459 | 176 | // According to the standard, if no grouping chars are seen, |
177 | // no grouping check is applied. Therefore __found_grouping | |
178 | // must be adjusted only if __dec comes after some __sep. | |
179 | if (__found_grouping.size()) | |
180 | __found_grouping += static_cast<char>(__sep_pos); | |
816c230b | 181 | ++__pos; |
182 | __xtrc += '.'; | |
24a656f2 | 183 | __c = *(++__beg); |
184 | __found_dec = true; | |
185 | } | |
0cb0a61b | 186 | else if ((__traits_type::eq(__c, __watoms[_M_e]) |
187 | || __traits_type::eq(__c, __watoms[_M_E])) | |
24a656f2 | 188 | && !__found_sci && __pos) |
189 | { | |
190 | // Scientific notation. | |
816c230b | 191 | ++__pos; |
192 | __xtrc += __ctype.narrow(__c, char()); | |
24a656f2 | 193 | __c = *(++__beg); |
194 | ||
195 | // Remove optional plus or minus sign, if they exist. | |
0cb0a61b | 196 | if (__traits_type::eq(__c, __plus) |
197 | || __traits_type::eq(__c, __minus)) | |
24a656f2 | 198 | { |
816c230b | 199 | ++__pos; |
200 | __xtrc += __ctype.narrow(__c, char()); | |
24a656f2 | 201 | __c = *(++__beg); |
202 | } | |
203 | __found_sci = true; | |
204 | } | |
205 | else | |
206 | // Not a valid input item. | |
207 | break; | |
208 | } | |
209 | ||
210 | // Digit grouping is checked. If grouping and found_grouping don't | |
211 | // match, then get very very upset, and set failbit. | |
212 | if (__check_grouping && __found_grouping.size()) | |
213 | { | |
214 | // Add the ending grouping if a decimal wasn't found. | |
215 | if (!__found_dec) | |
216 | __found_grouping += static_cast<char>(__sep_pos); | |
24a656f2 | 217 | if (!__verify_grouping(__grouping, __found_grouping)) |
816c230b | 218 | __err |= ios_base::failbit; |
24a656f2 | 219 | } |
220 | ||
221 | // Finish up | |
816c230b | 222 | __xtrc += char(); |
24a656f2 | 223 | if (__beg == __end) |
224 | __err |= ios_base::eofbit; | |
850ede69 | 225 | return __beg; |
1d487aca | 226 | } |
227 | ||
df79fbbb | 228 | // Stage 1: Determine a conversion specifier. |
24a656f2 | 229 | template<typename _CharT, typename _InIter> |
850ede69 | 230 | _InIter |
24a656f2 | 231 | num_get<_CharT, _InIter>:: |
232 | _M_extract_int(_InIter __beg, _InIter __end, ios_base& __io, | |
f97f597e | 233 | ios_base::iostate& __err, string& __xtrc, int& __base) const |
24a656f2 | 234 | { |
0cb0a61b | 235 | typedef char_traits<_CharT> __traits_type; |
816c230b | 236 | const locale __loc = __io.getloc(); |
237 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
238 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); | |
239 | ||
816c230b | 240 | // NB: Iff __basefield == 0, this can change based on contents. |
24a656f2 | 241 | ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield; |
242 | if (__basefield == ios_base::oct) | |
243 | __base = 8; | |
244 | else if (__basefield == ios_base::hex) | |
245 | __base = 16; | |
246 | else | |
247 | __base = 10; | |
248 | ||
0cb0a61b | 249 | // First check for sign. |
24a656f2 | 250 | int __pos = 0; |
251 | char_type __c = *__beg; | |
0cb0a61b | 252 | const char_type __plus = __ctype.widen('+'); |
253 | const char_type __minus = __ctype.widen('-'); | |
254 | ||
255 | if ((__traits_type::eq(__c, __plus) || __traits_type::eq(__c, __minus)) | |
24a656f2 | 256 | && __beg != __end) |
257 | { | |
f97f597e | 258 | __xtrc += __ctype.narrow(__c, char()); |
259 | ++__pos; | |
24a656f2 | 260 | __c = *(++__beg); |
261 | } | |
262 | ||
816c230b | 263 | // Next, strip leading zeros and check required digits for base formats. |
24a656f2 | 264 | const char_type __zero = __ctype.widen(_S_atoms[_M_zero]); |
816c230b | 265 | const char_type __x = __ctype.widen('x'); |
266 | const char_type __X = __ctype.widen('X'); | |
267 | if (__base == 10) | |
24a656f2 | 268 | { |
816c230b | 269 | bool __found_zero = false; |
0cb0a61b | 270 | while (__traits_type::eq(__c, __zero) && __beg != __end) |
816c230b | 271 | { |
272 | __c = *(++__beg); | |
273 | __found_zero = true; | |
274 | } | |
275 | if (__found_zero) | |
276 | { | |
f97f597e | 277 | __xtrc += _S_atoms[_M_zero]; |
278 | ++__pos; | |
816c230b | 279 | if (__basefield == 0) |
280 | { | |
0cb0a61b | 281 | if ((__traits_type::eq(__c, __x) |
282 | || __traits_type::eq(__c, __X)) | |
283 | && __beg != __end) | |
816c230b | 284 | { |
f97f597e | 285 | __xtrc += __ctype.narrow(__c, char()); |
286 | ++__pos; | |
816c230b | 287 | __c = *(++__beg); |
288 | __base = 16; | |
289 | } | |
290 | else | |
291 | __base = 8; | |
292 | } | |
293 | } | |
24a656f2 | 294 | } |
816c230b | 295 | else if (__base == 16) |
24a656f2 | 296 | { |
0cb0a61b | 297 | if (__traits_type::eq(__c, __zero) && __beg != __end) |
24a656f2 | 298 | { |
f97f597e | 299 | __xtrc += _S_atoms[_M_zero]; |
300 | ++__pos; | |
816c230b | 301 | __c = *(++__beg); |
0cb0a61b | 302 | if ((__traits_type::eq(__c, __x) || __traits_type::eq(__c, __X)) |
303 | && __beg != __end) | |
816c230b | 304 | { |
f97f597e | 305 | __xtrc += __ctype.narrow(__c, char()); |
306 | ++__pos; | |
816c230b | 307 | __c = *(++__beg); |
308 | } | |
24a656f2 | 309 | } |
310 | } | |
311 | ||
312 | // At this point, base is determined. If not hex, only allow | |
313 | // base digits as valid input. | |
314 | size_t __len; | |
315 | if (__base == 16) | |
316 | __len = _M_size; | |
317 | else | |
318 | __len = __base; | |
319 | ||
816c230b | 320 | // Extract. |
321 | char_type __watoms[_M_size]; | |
24a656f2 | 322 | __ctype.widen(_S_atoms, _S_atoms + __len, __watoms); |
323 | string __found_grouping; | |
324 | const string __grouping = __np.grouping(); | |
2604f9b3 | 325 | bool __check_grouping = __grouping.size(); |
24a656f2 | 326 | int __sep_pos = 0; |
327 | const char_type __sep = __np.thousands_sep(); | |
f97f597e | 328 | while (__beg != __end) |
24a656f2 | 329 | { |
24a656f2 | 330 | const char_type* __p = __traits_type::find(__watoms, __len, __c); |
331 | ||
332 | // NB: strchr returns true for __c == 0x0 | |
0cb0a61b | 333 | if (__p && !__traits_type::eq(__c, char_type())) |
24a656f2 | 334 | { |
335 | // Try first for acceptable digit; record it if found. | |
f97f597e | 336 | __xtrc += _S_atoms[__p - __watoms]; |
337 | ++__pos; | |
24a656f2 | 338 | ++__sep_pos; |
339 | __c = *(++__beg); | |
340 | } | |
0cb0a61b | 341 | else if (__traits_type::eq(__c, __sep) && __check_grouping) |
24a656f2 | 342 | { |
343 | // NB: Thousands separator at the beginning of a string | |
344 | // is a no-no, as is two consecutive thousands separators. | |
345 | if (__sep_pos) | |
346 | { | |
347 | __found_grouping += static_cast<char>(__sep_pos); | |
348 | __sep_pos = 0; | |
349 | __c = *(++__beg); | |
350 | } | |
351 | else | |
352 | { | |
353 | __err |= ios_base::failbit; | |
354 | break; | |
355 | } | |
356 | } | |
357 | else | |
358 | // Not a valid input item. | |
359 | break; | |
360 | } | |
361 | ||
362 | // Digit grouping is checked. If grouping and found_grouping don't | |
363 | // match, then get very very upset, and set failbit. | |
364 | if (__check_grouping && __found_grouping.size()) | |
365 | { | |
816c230b | 366 | // Add the ending grouping. |
24a656f2 | 367 | __found_grouping += static_cast<char>(__sep_pos); |
24a656f2 | 368 | if (!__verify_grouping(__grouping, __found_grouping)) |
816c230b | 369 | __err |= ios_base::failbit; |
24a656f2 | 370 | } |
371 | ||
f97f597e | 372 | // Finish up. |
373 | __xtrc += char(); | |
24a656f2 | 374 | if (__beg == __end) |
375 | __err |= ios_base::eofbit; | |
850ede69 | 376 | return __beg; |
24a656f2 | 377 | } |
ba6690e3 | 378 | |
379 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS | |
ba6690e3 | 380 | //17. Bad bool parsing |
381 | template<typename _CharT, typename _InIter> | |
382 | _InIter | |
383 | num_get<_CharT, _InIter>:: | |
384 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
385 | ios_base::iostate& __err, bool& __v) const | |
1d487aca | 386 | { |
df79fbbb | 387 | // Parse bool values as unsigned long |
ba6690e3 | 388 | if (!(__io.flags() & ios_base::boolalpha)) |
1d487aca | 389 | { |
ba6690e3 | 390 | // NB: We can't just call do_get(long) here, as it might |
391 | // refer to a derived class. | |
f97f597e | 392 | string __xtrc; |
ba6690e3 | 393 | int __base; |
f97f597e | 394 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
1d487aca | 395 | |
df79fbbb | 396 | unsigned long __ul; |
f97f597e | 397 | __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base); |
df79fbbb | 398 | if (!(__err & ios_base::failbit) && __ul <= 1) |
399 | __v = __ul; | |
400 | else | |
ba6690e3 | 401 | __err |= ios_base::failbit; |
402 | } | |
403 | ||
404 | // Parse bool values as alphanumeric | |
405 | else | |
1d487aca | 406 | { |
0cb0a61b | 407 | typedef char_traits<_CharT> __traits_type; |
408 | typedef basic_string<_CharT> __string_type; | |
409 | ||
24a656f2 | 410 | locale __loc = __io.getloc(); |
df79fbbb | 411 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); |
5f8a31fe | 412 | const __string_type __true = __np.truename(); |
413 | const __string_type __false = __np.falsename(); | |
414 | const char_type* __trues = __true.c_str(); | |
415 | const char_type* __falses = __false.c_str(); | |
416 | const size_t __truen = __true.size() - 1; | |
417 | const size_t __falsen = __false.size() - 1; | |
24a656f2 | 418 | |
419 | for (size_t __n = 0; __beg != __end; ++__n) | |
ba6690e3 | 420 | { |
421 | char_type __c = *__beg++; | |
0cb0a61b | 422 | bool __testf = __n <= __falsen |
423 | ? __traits_type::eq(__c, __falses[__n]) : false; | |
424 | bool __testt = __n <= __truen | |
425 | ? __traits_type::eq(__c, __trues[__n]) : false; | |
ba6690e3 | 426 | if (!(__testf || __testt)) |
427 | { | |
428 | __err |= ios_base::failbit; | |
429 | break; | |
430 | } | |
24a656f2 | 431 | else if (__testf && __n == __falsen) |
ba6690e3 | 432 | { |
433 | __v = 0; | |
434 | break; | |
435 | } | |
24a656f2 | 436 | else if (__testt && __n == __truen) |
ba6690e3 | 437 | { |
438 | __v = 1; | |
439 | break; | |
440 | } | |
441 | } | |
442 | if (__beg == __end) | |
443 | __err |= ios_base::eofbit; | |
1d487aca | 444 | } |
ba6690e3 | 445 | return __beg; |
1d487aca | 446 | } |
ba6690e3 | 447 | #endif |
1d487aca | 448 | |
ba6690e3 | 449 | template<typename _CharT, typename _InIter> |
450 | _InIter | |
451 | num_get<_CharT, _InIter>:: | |
452 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
453 | ios_base::iostate& __err, long& __v) const | |
454 | { | |
f97f597e | 455 | string __xtrc; |
ba6690e3 | 456 | int __base; |
f97f597e | 457 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
458 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base); | |
ba6690e3 | 459 | return __beg; |
460 | } | |
79373486 | 461 | |
ba6690e3 | 462 | template<typename _CharT, typename _InIter> |
463 | _InIter | |
464 | num_get<_CharT, _InIter>:: | |
465 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
24a656f2 | 466 | ios_base::iostate& __err, unsigned short& __v) const |
ba6690e3 | 467 | { |
f97f597e | 468 | string __xtrc; |
ba6690e3 | 469 | int __base; |
f97f597e | 470 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
df79fbbb | 471 | unsigned long __ul; |
f97f597e | 472 | __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base); |
473 | if (!(__err & ios_base::failbit) | |
474 | && __ul <= numeric_limits<unsigned short>::max()) | |
df79fbbb | 475 | __v = static_cast<unsigned short>(__ul); |
476 | else | |
477 | __err |= ios_base::failbit; | |
ba6690e3 | 478 | return __beg; |
479 | } | |
79373486 | 480 | |
ba6690e3 | 481 | template<typename _CharT, typename _InIter> |
482 | _InIter | |
483 | num_get<_CharT, _InIter>:: | |
484 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
24a656f2 | 485 | ios_base::iostate& __err, unsigned int& __v) const |
ba6690e3 | 486 | { |
f97f597e | 487 | string __xtrc; |
ba6690e3 | 488 | int __base; |
f97f597e | 489 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
df79fbbb | 490 | unsigned long __ul; |
f97f597e | 491 | __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base); |
492 | if (!(__err & ios_base::failbit) | |
493 | && __ul <= numeric_limits<unsigned int>::max()) | |
df79fbbb | 494 | __v = static_cast<unsigned int>(__ul); |
495 | else | |
496 | __err |= ios_base::failbit; | |
ba6690e3 | 497 | return __beg; |
498 | } | |
79373486 | 499 | |
ba6690e3 | 500 | template<typename _CharT, typename _InIter> |
501 | _InIter | |
502 | num_get<_CharT, _InIter>:: | |
503 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
24a656f2 | 504 | ios_base::iostate& __err, unsigned long& __v) const |
ba6690e3 | 505 | { |
f97f597e | 506 | string __xtrc; |
ba6690e3 | 507 | int __base; |
f97f597e | 508 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
509 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base); | |
ba6690e3 | 510 | return __beg; |
e1a0572d | 511 | } |
512 | ||
24a656f2 | 513 | #ifdef _GLIBCPP_USE_LONG_LONG |
ba6690e3 | 514 | template<typename _CharT, typename _InIter> |
515 | _InIter | |
516 | num_get<_CharT, _InIter>:: | |
517 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
24a656f2 | 518 | ios_base::iostate& __err, long long& __v) const |
ba6690e3 | 519 | { |
f97f597e | 520 | string __xtrc; |
ba6690e3 | 521 | int __base; |
f97f597e | 522 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
523 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base); | |
ba6690e3 | 524 | return __beg; |
525 | } | |
e1a0572d | 526 | |
ba6690e3 | 527 | template<typename _CharT, typename _InIter> |
528 | _InIter | |
529 | num_get<_CharT, _InIter>:: | |
530 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
531 | ios_base::iostate& __err, unsigned long long& __v) const | |
532 | { | |
f97f597e | 533 | string __xtrc; |
ba6690e3 | 534 | int __base; |
f97f597e | 535 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
536 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale, __base); | |
ba6690e3 | 537 | return __beg; |
e1a0572d | 538 | } |
ba6690e3 | 539 | #endif |
e1a0572d | 540 | |
1d487aca | 541 | template<typename _CharT, typename _InIter> |
ba6690e3 | 542 | _InIter |
1d487aca | 543 | num_get<_CharT, _InIter>:: |
24a656f2 | 544 | do_get(iter_type __beg, iter_type __end, ios_base& __io, |
545 | ios_base::iostate& __err, float& __v) const | |
1d487aca | 546 | { |
816c230b | 547 | string __xtrc; |
548 | __xtrc.reserve(32); | |
850ede69 | 549 | __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); |
df79fbbb | 550 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale); |
ba6690e3 | 551 | return __beg; |
552 | } | |
1d487aca | 553 | |
1d487aca | 554 | template<typename _CharT, typename _InIter> |
555 | _InIter | |
556 | num_get<_CharT, _InIter>:: | |
557 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
ba6690e3 | 558 | ios_base::iostate& __err, double& __v) const |
1d487aca | 559 | { |
816c230b | 560 | string __xtrc; |
561 | __xtrc.reserve(32); | |
850ede69 | 562 | __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); |
df79fbbb | 563 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale); |
1d487aca | 564 | return __beg; |
565 | } | |
566 | ||
567 | template<typename _CharT, typename _InIter> | |
568 | _InIter | |
569 | num_get<_CharT, _InIter>:: | |
570 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
ba6690e3 | 571 | ios_base::iostate& __err, long double& __v) const |
1d487aca | 572 | { |
816c230b | 573 | string __xtrc; |
574 | __xtrc.reserve(32); | |
850ede69 | 575 | __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc); |
df79fbbb | 576 | __convert_to_v(__xtrc.c_str(), __v, __err, _S_c_locale); |
1d487aca | 577 | return __beg; |
578 | } | |
579 | ||
1d487aca | 580 | template<typename _CharT, typename _InIter> |
581 | _InIter | |
582 | num_get<_CharT, _InIter>:: | |
583 | do_get(iter_type __beg, iter_type __end, ios_base& __io, | |
ba6690e3 | 584 | ios_base::iostate& __err, void*& __v) const |
1d487aca | 585 | { |
ba6690e3 | 586 | // Prepare for hex formatted input |
587 | typedef ios_base::fmtflags fmtflags; | |
588 | fmtflags __fmt = __io.flags(); | |
589 | fmtflags __fmtmask = ~(ios_base::showpos | ios_base::basefield | |
590 | | ios_base::uppercase | ios_base::internal); | |
591 | __io.flags(__fmt & __fmtmask | (ios_base::hex | ios_base::showbase)); | |
592 | ||
f97f597e | 593 | string __xtrc; |
1d487aca | 594 | int __base; |
f97f597e | 595 | __beg = _M_extract_int(__beg, __end, __io, __err, __xtrc, __base); |
1d487aca | 596 | |
ba6690e3 | 597 | // Reset from hex formatted input |
598 | __io.flags(__fmt); | |
df79fbbb | 599 | |
600 | unsigned long __ul; | |
f97f597e | 601 | __convert_to_v(__xtrc.c_str(), __ul, __err, _S_c_locale, __base); |
df79fbbb | 602 | if (!(__err & ios_base::failbit)) |
603 | __v = reinterpret_cast<void*>(__ul); | |
604 | else | |
605 | __err |= ios_base::failbit; | |
1d487aca | 606 | return __beg; |
607 | } | |
1d487aca | 608 | |
a524502d | 609 | // The following code uses snprintf (or sprintf(), when _GLIBCPP_USE_C99 |
610 | // is not defined) to convert floating point values for insertion into a | |
611 | // stream. An optimization would be to replace them with code that works | |
612 | // directly on a wide buffer and then use __pad to do the padding. | |
613 | // It would be good to replace them anyway to gain back the efficiency | |
614 | // that C++ provides by knowing up front the type of the values to insert. | |
615 | // Also, sprintf is dangerous since may lead to accidental buffer overruns. | |
616 | // This implementation follows the C++ standard fairly directly as | |
617 | // outlined in 22.2.2.2 [lib.locale.num.put] | |
ba6690e3 | 618 | template<typename _CharT, typename _OutIter> |
24a656f2 | 619 | template<typename _ValueT> |
620 | _OutIter | |
621 | num_put<_CharT, _OutIter>:: | |
622 | _M_convert_float(_OutIter __s, ios_base& __io, _CharT __fill, char __mod, | |
623 | _ValueT __v) const | |
624 | { | |
1d1bff46 | 625 | // Note: digits10 is rounded down. We need to add 1 to ensure |
626 | // we get the full available precision. | |
627 | const int __max_digits = numeric_limits<_ValueT>::digits10 + 1; | |
24a656f2 | 628 | streamsize __prec = __io.precision(); |
a524502d | 629 | |
1e17e73d | 630 | if (__prec > static_cast<streamsize>(__max_digits)) |
631 | __prec = static_cast<streamsize>(__max_digits); | |
24a656f2 | 632 | |
633 | // Long enough for the max format spec. | |
634 | char __fbuf[16]; | |
1e17e73d | 635 | |
a524502d | 636 | // [22.2.2.2.2] Stage 1, numeric conversion to character. |
637 | int __len; | |
638 | #ifdef _GLIBCPP_USE_C99 | |
639 | // First try a buffer perhaps big enough (for sure sufficient for | |
640 | // non-ios_base::fixed outputs) | |
641 | int __cs_size = __max_digits * 3; | |
642 | char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); | |
643 | ||
644 | const bool __fp = _S_format_float(__io, __fbuf, __mod, __prec); | |
645 | if (__fp) | |
5f8a31fe | 646 | __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, |
647 | _S_c_locale, __prec); | |
a524502d | 648 | else |
649 | __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, _S_c_locale); | |
650 | ||
651 | // If the buffer was not large enough, try again with the correct size. | |
652 | if (__len >= __cs_size) | |
653 | { | |
654 | __cs_size = __len + 1; | |
655 | __cs = static_cast<char*>(__builtin_alloca(__cs_size)); | |
656 | if (__fp) | |
5f8a31fe | 657 | __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, |
658 | _S_c_locale, __prec); | |
a524502d | 659 | else |
5f8a31fe | 660 | __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, |
661 | _S_c_locale); | |
a524502d | 662 | } |
663 | #else | |
1e17e73d | 664 | // Consider the possibility of long ios_base::fixed outputs |
665 | const bool __fixed = __io.flags() & ios_base::fixed; | |
666 | const int __max_exp = numeric_limits<_ValueT>::max_exponent10; | |
30d9bed7 | 667 | // ios_base::fixed outputs may need up to __max_exp+1 chars |
668 | // for the integer part + up to __max_digits chars for the | |
669 | // fractional part + 3 chars for sign, decimal point, '\0'. On | |
670 | // the other hand, for non-fixed outputs __max_digits*3 chars | |
671 | // are largely sufficient. | |
1e17e73d | 672 | const int __cs_size = __fixed ? __max_exp + __max_digits + 4 |
30d9bed7 | 673 | : __max_digits * 3; |
1e17e73d | 674 | char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); |
675 | ||
24a656f2 | 676 | if (_S_format_float(__io, __fbuf, __mod, __prec)) |
a524502d | 677 | __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale, __prec); |
24a656f2 | 678 | else |
a524502d | 679 | __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale); |
680 | #endif | |
24a656f2 | 681 | return _M_widen_float(__s, __io, __fill, __cs, __len); |
682 | } | |
1d487aca | 683 | |
24a656f2 | 684 | template<typename _CharT, typename _OutIter> |
685 | template<typename _ValueT> | |
686 | _OutIter | |
687 | num_put<_CharT, _OutIter>:: | |
688 | _M_convert_int(_OutIter __s, ios_base& __io, _CharT __fill, char __mod, | |
689 | char __modl, _ValueT __v) const | |
690 | { | |
691 | // [22.2.2.2.2] Stage 1, numeric conversion to character. | |
a524502d | 692 | |
24a656f2 | 693 | // Long enough for the max format spec. |
694 | char __fbuf[16]; | |
695 | _S_format_int(__io, __fbuf, __mod, __modl); | |
a524502d | 696 | #ifdef _GLIBCPP_USE_C99 |
697 | // First try a buffer perhaps big enough. | |
698 | int __cs_size = 64; | |
699 | char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); | |
5f8a31fe | 700 | int __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, |
701 | _S_c_locale); | |
a524502d | 702 | // If the buffer was not large enough, try again with the correct size. |
703 | if (__len >= __cs_size) | |
704 | { | |
705 | __cs_size = __len + 1; | |
706 | __cs = static_cast<char*>(__builtin_alloca(__cs_size)); | |
5f8a31fe | 707 | __len = __convert_from_v(__cs, __cs_size, __fbuf, __v, |
708 | _S_c_locale); | |
a524502d | 709 | } |
710 | #else | |
711 | // Leave room for "+/-," "0x," and commas. This size is | |
712 | // arbitrary, but should be largely sufficient. | |
713 | char __cs[128]; | |
714 | int __len = __convert_from_v(__cs, 0, __fbuf, __v, _S_c_locale); | |
715 | #endif | |
24a656f2 | 716 | return _M_widen_int(__s, __io, __fill, __cs, __len); |
717 | } | |
1d487aca | 718 | |
24a656f2 | 719 | template<typename _CharT, typename _OutIter> |
ba6690e3 | 720 | _OutIter |
24a656f2 | 721 | num_put<_CharT, _OutIter>:: |
722 | _M_widen_float(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs, | |
723 | int __len) const | |
1d487aca | 724 | { |
0cb0a61b | 725 | typedef char_traits<_CharT> __traits_type; |
24a656f2 | 726 | // [22.2.2.2.2] Stage 2, convert to char_type, using correct |
727 | // numpunct.decimal_point() values for '.' and adding grouping. | |
728 | const locale __loc = __io.getloc(); | |
729 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1e17e73d | 730 | _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) |
731 | * __len)); | |
732 | // Grouping can add (almost) as many separators as the number of | |
733 | // digits, but no more. | |
734 | _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) | |
735 | * __len * 2)); | |
24a656f2 | 736 | __ctype.widen(__cs, __cs + __len, __ws); |
737 | ||
24a656f2 | 738 | // Replace decimal point. |
739 | const _CharT* __p; | |
1e17e73d | 740 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); |
0cb0a61b | 741 | if (__p = __traits_type::find(__ws, __len, __ctype.widen('.'))) |
24a656f2 | 742 | __ws[__p - __ws] = __np.decimal_point(); |
1e17e73d | 743 | |
744 | #ifdef _GLIBCPP_RESOLVE_LIB_DEFECTS | |
745 | //282. What types does numpunct grouping refer to? | |
746 | // Add grouping, if necessary. | |
747 | const string __grouping = __np.grouping(); | |
748 | ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield; | |
749 | if (__grouping.size()) | |
750 | { | |
751 | _CharT* __p2; | |
752 | int __declen = __p ? __p - __ws : __len; | |
753 | __p2 = __add_grouping(__ws2, __np.thousands_sep(), | |
754 | __grouping.c_str(), | |
755 | __grouping.c_str() + __grouping.size(), | |
756 | __ws, __ws + __declen); | |
757 | int __newlen = __p2 - __ws2; | |
758 | ||
759 | // Tack on decimal part. | |
760 | if (__p) | |
761 | { | |
0cb0a61b | 762 | __traits_type::copy(__p2, __p, __len - __declen); |
1e17e73d | 763 | __newlen += __len - __declen; |
764 | } | |
765 | ||
766 | // Switch strings, establish correct new length. | |
767 | __ws = __ws2; | |
768 | __len = __newlen; | |
769 | } | |
770 | #endif | |
24a656f2 | 771 | return _M_insert(__s, __io, __fill, __ws, __len); |
1d487aca | 772 | } |
773 | ||
ba6690e3 | 774 | template<typename _CharT, typename _OutIter> |
24a656f2 | 775 | _OutIter |
776 | num_put<_CharT, _OutIter>:: | |
777 | _M_widen_int(_OutIter __s, ios_base& __io, _CharT __fill, char* __cs, | |
778 | int __len) const | |
1d487aca | 779 | { |
24a656f2 | 780 | // [22.2.2.2.2] Stage 2, convert to char_type, using correct |
781 | // numpunct.decimal_point() values for '.' and adding grouping. | |
782 | const locale __loc = __io.getloc(); | |
783 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1e17e73d | 784 | _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) |
785 | * __len)); | |
786 | // Grouping can add (almost) as many separators as the number of | |
787 | // digits, but no more. | |
788 | _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) | |
789 | * __len * 2)); | |
24a656f2 | 790 | __ctype.widen(__cs, __cs + __len, __ws); |
791 | ||
8ed36d83 | 792 | // Add grouping, if necessary. |
24a656f2 | 793 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); |
1e17e73d | 794 | const string __grouping = __np.grouping(); |
8ed36d83 | 795 | const ios_base::fmtflags __basefield = __io.flags() & ios_base::basefield; |
796 | if (__grouping.size()) | |
24a656f2 | 797 | { |
8ed36d83 | 798 | // By itself __add_grouping cannot deal correctly with __ws when |
799 | // ios::showbase is set and ios_base::oct || ios_base::hex. | |
800 | // Therefore we take care "by hand" of the initial 0, 0x or 0X. | |
16b11989 | 801 | // However, remember that the latter do not occur if the number |
802 | // printed is '0' (__len == 1). | |
8ed36d83 | 803 | streamsize __off = 0; |
16b11989 | 804 | if ((__io.flags() & ios_base::showbase) && __len > 1) |
8ed36d83 | 805 | if (__basefield == ios_base::oct) |
806 | { | |
807 | __off = 1; | |
808 | *__ws2 = *__ws; | |
809 | } | |
810 | else if (__basefield == ios_base::hex) | |
811 | { | |
812 | __off = 2; | |
813 | *__ws2 = *__ws; | |
814 | *(__ws2 + 1) = *(__ws + 1); | |
815 | } | |
24a656f2 | 816 | _CharT* __p; |
5f8a31fe | 817 | __p = __add_grouping(__ws2 + __off, __np.thousands_sep(), |
818 | __grouping.c_str(), | |
24a656f2 | 819 | __grouping.c_str() + __grouping.size(), |
8ed36d83 | 820 | __ws + __off, __ws + __len); |
24a656f2 | 821 | __len = __p - __ws2; |
822 | // Switch strings. | |
823 | __ws = __ws2; | |
824 | } | |
825 | return _M_insert(__s, __io, __fill, __ws, __len); | |
ba6690e3 | 826 | } |
1d487aca | 827 | |
24a656f2 | 828 | // For use by integer and floating-point types after they have been |
829 | // converted into a char_type string. | |
ba6690e3 | 830 | template<typename _CharT, typename _OutIter> |
831 | _OutIter | |
24a656f2 | 832 | num_put<_CharT, _OutIter>:: |
833 | _M_insert(_OutIter __s, ios_base& __io, _CharT __fill, const _CharT* __ws, | |
834 | int __len) const | |
1d487aca | 835 | { |
0cb0a61b | 836 | typedef char_traits<_CharT> __traits_type; |
24a656f2 | 837 | // [22.2.2.2.2] Stage 3. |
24a656f2 | 838 | streamsize __w = __io.width(); |
1e17e73d | 839 | _CharT* __ws2 = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) |
840 | * __w)); | |
24a656f2 | 841 | if (__w > static_cast<streamsize>(__len)) |
842 | { | |
0cb0a61b | 843 | __pad<_CharT, __traits_type>::_S_pad(__io, __fill, __ws2, __ws, |
844 | __w, __len, true); | |
24a656f2 | 845 | __len = static_cast<int>(__w); |
846 | // Switch strings. | |
847 | __ws = __ws2; | |
848 | } | |
849 | __io.width(0); | |
1d487aca | 850 | |
24a656f2 | 851 | // [22.2.2.2.2] Stage 4. |
852 | // Write resulting, fully-formatted string to output iterator. | |
853 | for (int __j = 0; __j < __len; ++__j, ++__s) | |
854 | *__s = __ws[__j]; | |
855 | return __s; | |
1d487aca | 856 | } |
857 | ||
79373486 | 858 | template<typename _CharT, typename _OutIter> |
1d487aca | 859 | _OutIter |
860 | num_put<_CharT, _OutIter>:: | |
861 | do_put(iter_type __s, ios_base& __io, char_type __fill, bool __v) const | |
862 | { | |
1d487aca | 863 | ios_base::fmtflags __flags = __io.flags(); |
1d487aca | 864 | if ((__flags & ios_base::boolalpha) == 0) |
865 | { | |
866 | unsigned long __uv = __v; | |
0cb0a61b | 867 | __s = _M_convert_int(__s, __io, __fill, 'u', char(), __uv); |
1d487aca | 868 | } |
869 | else | |
870 | { | |
5f8a31fe | 871 | typedef basic_string<_CharT> __string_type; |
24a656f2 | 872 | locale __loc = __io.getloc(); |
873 | const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); | |
5f8a31fe | 874 | __string_type __name; |
1d487aca | 875 | if (__v) |
5f8a31fe | 876 | __name = __np.truename(); |
1d487aca | 877 | else |
5f8a31fe | 878 | __name = __np.falsename(); |
879 | __s = _M_insert(__s, __io, __fill, __name.c_str(), __name.size()); | |
24a656f2 | 880 | } |
881 | return __s; | |
ba6690e3 | 882 | } |
883 | ||
884 | template<typename _CharT, typename _OutIter> | |
885 | _OutIter | |
886 | num_put<_CharT, _OutIter>:: | |
887 | do_put(iter_type __s, ios_base& __io, char_type __fill, long __v) const | |
0cb0a61b | 888 | { return _M_convert_int(__s, __io, __fill, 'd', char(), __v); } |
ba6690e3 | 889 | |
890 | template<typename _CharT, typename _OutIter> | |
891 | _OutIter | |
892 | num_put<_CharT, _OutIter>:: | |
893 | do_put(iter_type __s, ios_base& __io, char_type __fill, | |
894 | unsigned long __v) const | |
0cb0a61b | 895 | { return _M_convert_int(__s, __io, __fill, 'u', char(), __v); } |
ba6690e3 | 896 | |
897 | #ifdef _GLIBCPP_USE_LONG_LONG | |
898 | template<typename _CharT, typename _OutIter> | |
899 | _OutIter | |
900 | num_put<_CharT, _OutIter>:: | |
901 | do_put(iter_type __s, ios_base& __b, char_type __fill, long long __v) const | |
24a656f2 | 902 | { return _M_convert_int(__s, __b, __fill, 'd', 'l', __v); } |
ba6690e3 | 903 | |
904 | template<typename _CharT, typename _OutIter> | |
905 | _OutIter | |
906 | num_put<_CharT, _OutIter>:: | |
907 | do_put(iter_type __s, ios_base& __io, char_type __fill, | |
908 | unsigned long long __v) const | |
24a656f2 | 909 | { return _M_convert_int(__s, __io, __fill, 'u', 'l', __v); } |
ba6690e3 | 910 | #endif |
911 | ||
ba6690e3 | 912 | template<typename _CharT, typename _OutIter> |
913 | _OutIter | |
914 | num_put<_CharT, _OutIter>:: | |
915 | do_put(iter_type __s, ios_base& __io, char_type __fill, double __v) const | |
0cb0a61b | 916 | { return _M_convert_float(__s, __io, __fill, char(), __v); } |
ba6690e3 | 917 | |
918 | template<typename _CharT, typename _OutIter> | |
919 | _OutIter | |
920 | num_put<_CharT, _OutIter>:: | |
24a656f2 | 921 | do_put(iter_type __s, ios_base& __io, char_type __fill, |
922 | long double __v) const | |
923 | { return _M_convert_float(__s, __io, __fill, 'L', __v); } | |
ba6690e3 | 924 | |
925 | template<typename _CharT, typename _OutIter> | |
926 | _OutIter | |
927 | num_put<_CharT, _OutIter>:: | |
928 | do_put(iter_type __s, ios_base& __io, char_type __fill, | |
929 | const void* __v) const | |
930 | { | |
24a656f2 | 931 | ios_base::fmtflags __flags = __io.flags(); |
932 | ios_base::fmtflags __fmt = ~(ios_base::showpos | ios_base::basefield | |
933 | | ios_base::uppercase | ios_base::internal); | |
934 | __io.flags(__flags & __fmt | (ios_base::hex | ios_base::showbase)); | |
935 | try | |
936 | { | |
0cb0a61b | 937 | __s = _M_convert_int(__s, __io, __fill, 'u', char(), |
f4faf31e | 938 | reinterpret_cast<unsigned long>(__v)); |
24a656f2 | 939 | __io.flags(__flags); |
940 | } | |
941 | catch (...) | |
942 | { | |
943 | __io.flags(__flags); | |
944 | __throw_exception_again; | |
945 | } | |
946 | return __s; | |
ba6690e3 | 947 | } |
948 | ||
949 | ||
950 | template<typename _CharT, typename _InIter> | |
951 | _InIter | |
952 | money_get<_CharT, _InIter>:: | |
953 | do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, | |
954 | ios_base::iostate& __err, long double& __units) const | |
955 | { | |
956 | string_type __str; | |
4e66089d | 957 | __beg = this->do_get(__beg, __end, __intl, __io, __err, __str); |
ba6690e3 | 958 | |
959 | const int __n = numeric_limits<long double>::digits10; | |
41b32fc1 | 960 | char* __cs = static_cast<char*>(__builtin_alloca(__n)); |
ba6690e3 | 961 | const locale __loc = __io.getloc(); |
962 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
963 | const _CharT* __wcs = __str.c_str(); | |
964 | __ctype.narrow(__wcs, __wcs + __str.size() + 1, char(), __cs); | |
df79fbbb | 965 | __convert_to_v(__cs, __units, __err, _S_c_locale); |
ba6690e3 | 966 | return __beg; |
967 | } | |
968 | ||
969 | template<typename _CharT, typename _InIter> | |
970 | _InIter | |
971 | money_get<_CharT, _InIter>:: | |
972 | do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, | |
973 | ios_base::iostate& __err, string_type& __units) const | |
974 | { | |
975 | // These contortions are quite unfortunate. | |
976 | typedef moneypunct<_CharT, true> __money_true; | |
977 | typedef moneypunct<_CharT, false> __money_false; | |
978 | typedef money_base::part part; | |
979 | typedef typename string_type::size_type size_type; | |
980 | ||
981 | const locale __loc = __io.getloc(); | |
982 | const __money_true& __mpt = use_facet<__money_true>(__loc); | |
983 | const __money_false& __mpf = use_facet<__money_false>(__loc); | |
984 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
985 | ||
986 | const money_base::pattern __p = __intl ? __mpt.neg_format() | |
987 | : __mpf.neg_format(); | |
988 | ||
989 | const string_type __pos_sign =__intl ? __mpt.positive_sign() | |
990 | : __mpf.positive_sign(); | |
991 | const string_type __neg_sign =__intl ? __mpt.negative_sign() | |
992 | : __mpf.negative_sign(); | |
993 | const char_type __d = __intl ? __mpt.decimal_point() | |
994 | : __mpf.decimal_point(); | |
995 | const char_type __sep = __intl ? __mpt.thousands_sep() | |
996 | : __mpf.thousands_sep(); | |
997 | ||
998 | const string __grouping = __intl ? __mpt.grouping() : __mpf.grouping(); | |
999 | ||
1000 | // Set to deduced positive or negative sign, depending. | |
1001 | string_type __sign; | |
1002 | // String of grouping info from thousands_sep plucked from __units. | |
1003 | string __grouping_tmp; | |
1004 | // Marker for thousands_sep position. | |
1005 | int __sep_pos = 0; | |
1006 | // If input iterator is in a valid state. | |
1007 | bool __testvalid = true; | |
1008 | // Flag marking when a decimal point is found. | |
1009 | bool __testdecfound = false; | |
1010 | ||
ec604c26 | 1011 | // The tentative returned string is stored here. |
1012 | string_type __temp_units; | |
1013 | ||
ba6690e3 | 1014 | char_type __c = *__beg; |
1015 | char_type __eof = static_cast<char_type>(char_traits<char_type>::eof()); | |
1016 | for (int __i = 0; __beg != __end && __i < 4 && __testvalid; ++__i) | |
1017 | { | |
1018 | part __which = static_cast<part>(__p.field[__i]); | |
1019 | switch (__which) | |
1020 | { | |
1021 | case money_base::symbol: | |
5f8a31fe | 1022 | if (__io.flags() & ios_base::showbase |
1023 | || __i < 2 || __sign.size() > 1 | |
1024 | || ((static_cast<part>(__p.field[3]) != money_base::none) | |
1025 | && __i == 2)) | |
ba6690e3 | 1026 | { |
5f8a31fe | 1027 | // According to 22.2.6.1.2.2, symbol is required |
1028 | // if (__io.flags() & ios_base::showbase), | |
1029 | // otherwise is optional and consumed only if | |
1030 | // other characters are needed to complete the | |
1031 | // format. | |
ba6690e3 | 1032 | const string_type __symbol = __intl ? __mpt.curr_symbol() |
1033 | : __mpf.curr_symbol(); | |
1034 | size_type __len = __symbol.size(); | |
96831768 | 1035 | size_type __j = 0; |
ba6690e3 | 1036 | while (__beg != __end |
96831768 | 1037 | && __j < __len && __symbol[__j] == __c) |
ba6690e3 | 1038 | { |
1039 | __c = *(++__beg); | |
96831768 | 1040 | ++__j; |
ba6690e3 | 1041 | } |
5f8a31fe | 1042 | // When (__io.flags() & ios_base::showbase) |
1043 | // symbol is required. | |
96831768 | 1044 | if (__j != __len && (__io.flags() & ios_base::showbase)) |
ba6690e3 | 1045 | __testvalid = false; |
1046 | } | |
1047 | break; | |
1048 | case money_base::sign: | |
1049 | // Sign might not exist, or be more than one character long. | |
1050 | if (__pos_sign.size() && __neg_sign.size()) | |
1051 | { | |
1052 | // Sign is mandatory. | |
1053 | if (__c == __pos_sign[0]) | |
1054 | { | |
1055 | __sign = __pos_sign; | |
1056 | __c = *(++__beg); | |
1057 | } | |
1058 | else if (__c == __neg_sign[0]) | |
1059 | { | |
1060 | __sign = __neg_sign; | |
1061 | __c = *(++__beg); | |
1062 | } | |
1063 | else | |
1064 | __testvalid = false; | |
1065 | } | |
1066 | else if (__pos_sign.size() && __c == __pos_sign[0]) | |
1067 | { | |
1068 | __sign = __pos_sign; | |
1069 | __c = *(++__beg); | |
1070 | } | |
1071 | else if (__neg_sign.size() && __c == __neg_sign[0]) | |
1072 | { | |
1073 | __sign = __neg_sign; | |
1074 | __c = *(++__beg); | |
1075 | } | |
1076 | break; | |
1077 | case money_base::value: | |
1078 | // Extract digits, remove and stash away the | |
1079 | // grouping of found thousands separators. | |
1080 | while (__beg != __end | |
1081 | && (__ctype.is(ctype_base::digit, __c) | |
1082 | || (__c == __d && !__testdecfound) | |
1083 | || __c == __sep)) | |
1084 | { | |
1085 | if (__c == __d) | |
1086 | { | |
1087 | __grouping_tmp += static_cast<char>(__sep_pos); | |
1088 | __sep_pos = 0; | |
1089 | __testdecfound = true; | |
1090 | } | |
1091 | else if (__c == __sep) | |
1092 | { | |
1093 | if (__grouping.size()) | |
1094 | { | |
1095 | // Mark position for later analysis. | |
1096 | __grouping_tmp += static_cast<char>(__sep_pos); | |
1097 | __sep_pos = 0; | |
1098 | } | |
1099 | else | |
1100 | { | |
1101 | __testvalid = false; | |
1102 | break; | |
1103 | } | |
1104 | } | |
1105 | else | |
1106 | { | |
ec604c26 | 1107 | __temp_units += __c; |
ba6690e3 | 1108 | ++__sep_pos; |
1109 | } | |
1110 | __c = *(++__beg); | |
1111 | } | |
1112 | break; | |
1113 | case money_base::space: | |
1114 | case money_base::none: | |
1115 | // Only if not at the end of the pattern. | |
1116 | if (__i != 3) | |
1117 | while (__beg != __end | |
1118 | && __ctype.is(ctype_base::space, __c)) | |
1119 | __c = *(++__beg); | |
1120 | break; | |
1121 | } | |
1122 | } | |
1123 | ||
1124 | // Need to get the rest of the sign characters, if they exist. | |
1125 | if (__sign.size() > 1) | |
1126 | { | |
1127 | size_type __len = __sign.size(); | |
1128 | size_type __i = 1; | |
1129 | for (; __c != __eof && __i < __len; ++__i) | |
1130 | while (__beg != __end && __c != __sign[__i]) | |
1131 | __c = *(++__beg); | |
1132 | ||
1133 | if (__i != __len) | |
1134 | __testvalid = false; | |
1135 | } | |
1136 | ||
1137 | // Strip leading zeros. | |
ec604c26 | 1138 | while (__temp_units[0] == __ctype.widen('0')) |
1139 | __temp_units.erase(__temp_units.begin()); | |
ba6690e3 | 1140 | |
4e66089d | 1141 | if (__sign.size() && __sign == __neg_sign) |
ec604c26 | 1142 | __temp_units.insert(__temp_units.begin(), __ctype.widen('-')); |
ba6690e3 | 1143 | |
1144 | // Test for grouping fidelity. | |
1145 | if (__grouping.size() && __grouping_tmp.size()) | |
1146 | { | |
1147 | if (!__verify_grouping(__grouping, __grouping_tmp)) | |
1148 | __testvalid = false; | |
1149 | } | |
1150 | ||
1151 | // Iff no more characters are available. | |
1152 | if (__c == __eof) | |
1153 | __err |= ios_base::eofbit; | |
1154 | ||
1155 | // Iff valid sequence is not recognized. | |
ec604c26 | 1156 | if (!__testvalid || !__temp_units.size()) |
ba6690e3 | 1157 | __err |= ios_base::failbit; |
ec604c26 | 1158 | else |
1159 | // Use the "swap trick" to copy __temp_units into __units. | |
1160 | __temp_units.swap(__units); | |
1161 | ||
ba6690e3 | 1162 | return __beg; |
1163 | } | |
1164 | ||
1165 | template<typename _CharT, typename _OutIter> | |
1166 | _OutIter | |
1167 | money_put<_CharT, _OutIter>:: | |
1168 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1169 | long double __units) const | |
1170 | { | |
1171 | const locale __loc = __io.getloc(); | |
c4aacf6e | 1172 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); |
a524502d | 1173 | #ifdef _GLIBCPP_USE_C99 |
1174 | // First try a buffer perhaps big enough. | |
1175 | int __cs_size = 64; | |
41b32fc1 | 1176 | char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); |
5f8a31fe | 1177 | int __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units, |
1178 | _S_c_locale); | |
a524502d | 1179 | // If the buffer was not large enough, try again with the correct size. |
1180 | if (__len >= __cs_size) | |
1181 | { | |
1182 | __cs_size = __len + 1; | |
41b32fc1 | 1183 | __cs = static_cast<char*>(__builtin_alloca(__cs_size)); |
5f8a31fe | 1184 | __len = __convert_from_v(__cs, __cs_size, "%.01Lf", __units, |
1185 | _S_c_locale); | |
a524502d | 1186 | } |
1187 | #else | |
c4aacf6e | 1188 | // max_exponent10 + 1 for the integer part, + 4 for sign, decimal point, |
1189 | // decimal digit, '\0'. | |
a524502d | 1190 | const int __cs_size = numeric_limits<long double>::max_exponent10 + 5; |
41b32fc1 | 1191 | char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); |
a524502d | 1192 | int __len = __convert_from_v(__cs, 0, "%.01Lf", __units, _S_c_locale); |
1193 | #endif | |
1194 | _CharT* __ws = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __cs_size)); | |
ba6690e3 | 1195 | __ctype.widen(__cs, __cs + __len, __ws); |
1196 | string_type __digits(__ws); | |
1197 | return this->do_put(__s, __intl, __io, __fill, __digits); | |
1198 | } | |
1199 | ||
1200 | template<typename _CharT, typename _OutIter> | |
1201 | _OutIter | |
1202 | money_put<_CharT, _OutIter>:: | |
1203 | do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, | |
1204 | const string_type& __digits) const | |
1205 | { | |
1206 | typedef typename string_type::size_type size_type; | |
1207 | typedef money_base::part part; | |
1208 | ||
1209 | const locale __loc = __io.getloc(); | |
1210 | const size_type __width = static_cast<size_type>(__io.width()); | |
1211 | ||
1212 | // These contortions are quite unfortunate. | |
1213 | typedef moneypunct<_CharT, true> __money_true; | |
1214 | typedef moneypunct<_CharT, false> __money_false; | |
1215 | const __money_true& __mpt = use_facet<__money_true>(__loc); | |
1216 | const __money_false& __mpf = use_facet<__money_false>(__loc); | |
1217 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1218 | ||
1219 | // Determine if negative or positive formats are to be used, and | |
1220 | // discard leading negative_sign if it is present. | |
1221 | const char_type* __beg = __digits.data(); | |
1222 | const char_type* __end = __beg + __digits.size(); | |
1223 | money_base::pattern __p; | |
1224 | string_type __sign; | |
1225 | if (*__beg != __ctype.widen('-')) | |
1226 | { | |
1227 | __p = __intl ? __mpt.pos_format() : __mpf.pos_format(); | |
1228 | __sign =__intl ? __mpt.positive_sign() : __mpf.positive_sign(); | |
1229 | } | |
1230 | else | |
1231 | { | |
1232 | __p = __intl ? __mpt.neg_format() : __mpf.neg_format(); | |
1233 | __sign =__intl ? __mpt.negative_sign() : __mpf.negative_sign(); | |
1234 | ++__beg; | |
1235 | } | |
1236 | ||
1237 | // Look for valid numbers in the current ctype facet within input digits. | |
1238 | __end = __ctype.scan_not(ctype_base::digit, __beg, __end); | |
1239 | if (__beg != __end) | |
1240 | { | |
1241 | // Assume valid input, and attempt to format. | |
1242 | // Break down input numbers into base components, as follows: | |
1243 | // final_value = grouped units + (decimal point) + (digits) | |
1244 | string_type __res; | |
1245 | string_type __value; | |
1246 | const string_type __symbol = __intl ? __mpt.curr_symbol() | |
1247 | : __mpf.curr_symbol(); | |
1248 | ||
1249 | // Deal with decimal point, decimal digits. | |
1250 | const int __frac = __intl ? __mpt.frac_digits() | |
1251 | : __mpf.frac_digits(); | |
1252 | if (__frac > 0) | |
1253 | { | |
1254 | const char_type __d = __intl ? __mpt.decimal_point() | |
1255 | : __mpf.decimal_point(); | |
1256 | if (__end - __beg >= __frac) | |
1257 | { | |
1258 | __value = string_type(__end - __frac, __end); | |
1259 | __value.insert(__value.begin(), __d); | |
1260 | __end -= __frac; | |
1261 | } | |
1262 | else | |
1263 | { | |
1264 | // Have to pad zeros in the decimal position. | |
1265 | __value = string_type(__beg, __end); | |
1266 | int __paddec = __frac - (__end - __beg); | |
1267 | char_type __zero = __ctype.widen('0'); | |
1268 | __value.insert(__value.begin(), __paddec, __zero); | |
1269 | __value.insert(__value.begin(), __d); | |
1270 | __beg = __end; | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | // Add thousands separators to non-decimal digits, per | |
1275 | // grouping rules. | |
1276 | if (__beg != __end) | |
1277 | { | |
1278 | const string __grouping = __intl ? __mpt.grouping() | |
1279 | : __mpf.grouping(); | |
1280 | if (__grouping.size()) | |
1281 | { | |
1282 | const char_type __sep = __intl ? __mpt.thousands_sep() | |
1283 | : __mpf.thousands_sep(); | |
24a656f2 | 1284 | const char* __gbeg = __grouping.c_str(); |
ba6690e3 | 1285 | const char* __gend = __gbeg + __grouping.size(); |
c4aacf6e | 1286 | const int __n = (__end - __beg) * 2; |
1287 | _CharT* __ws2 = | |
1288 | static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __n)); | |
24a656f2 | 1289 | _CharT* __ws_end = __add_grouping(__ws2, __sep, __gbeg, |
1290 | __gend, __beg, __end); | |
1291 | __value.insert(0, __ws2, __ws_end - __ws2); | |
ba6690e3 | 1292 | } |
1293 | else | |
1294 | __value.insert(0, string_type(__beg, __end)); | |
1295 | } | |
1296 | ||
1297 | // Calculate length of resulting string. | |
1298 | ios_base::fmtflags __f = __io.flags() & ios_base::adjustfield; | |
1299 | size_type __len = __value.size() + __sign.size(); | |
1300 | __len += (__io.flags() & ios_base::showbase) ? __symbol.size() : 0; | |
1301 | bool __testipad = __f == ios_base::internal && __len < __width; | |
1302 | ||
1303 | // Fit formatted digits into the required pattern. | |
1304 | for (int __i = 0; __i < 4; ++__i) | |
1305 | { | |
1306 | part __which = static_cast<part>(__p.field[__i]); | |
1307 | switch (__which) | |
1308 | { | |
1309 | case money_base::symbol: | |
1310 | if (__io.flags() & ios_base::showbase) | |
1311 | __res += __symbol; | |
1312 | break; | |
1313 | case money_base::sign: | |
1314 | // Sign might not exist, or be more than one | |
1315 | // charater long. In that case, add in the rest | |
1316 | // below. | |
1317 | if (__sign.size()) | |
1318 | __res += __sign[0]; | |
1319 | break; | |
1320 | case money_base::value: | |
1321 | __res += __value; | |
1322 | break; | |
1323 | case money_base::space: | |
1324 | // At least one space is required, but if internal | |
1325 | // formatting is required, an arbitrary number of | |
1326 | // fill spaces will be necessary. | |
1327 | if (__testipad) | |
1328 | __res += string_type(__width - __len, __fill); | |
1329 | else | |
827f4f1e | 1330 | __res += __ctype.widen(__fill); |
ba6690e3 | 1331 | break; |
1332 | case money_base::none: | |
1333 | if (__testipad) | |
1334 | __res += string_type(__width - __len, __fill); | |
1335 | break; | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | // Special case of multi-part sign parts. | |
1340 | if (__sign.size() > 1) | |
1341 | __res += string_type(__sign.begin() + 1, __sign.end()); | |
1342 | ||
1343 | // Pad, if still necessary. | |
1344 | __len = __res.size(); | |
1345 | if (__width > __len) | |
1346 | { | |
1347 | if (__f == ios_base::left) | |
1348 | // After. | |
1349 | __res.append(__width - __len, __fill); | |
1350 | else | |
1351 | // Before. | |
1352 | __res.insert(0, string_type(__width - __len, __fill)); | |
1353 | __len = __width; | |
1354 | } | |
1355 | ||
1356 | // Write resulting, fully-formatted string to output iterator. | |
604d1418 | 1357 | for (size_type __j = 0; __j < __len; ++__j, ++__s) |
1358 | *__s = __res[__j]; | |
ba6690e3 | 1359 | } |
1360 | __io.width(0); | |
1361 | return __s; | |
79373486 | 1362 | } |
1363 | ||
ba6690e3 | 1364 | |
1365 | // NB: Not especially useful. Without an ios_base object or some | |
1366 | // kind of locale reference, we are left clawing at the air where | |
1367 | // the side of the mountain used to be... | |
1368 | template<typename _CharT, typename _InIter> | |
1369 | time_base::dateorder | |
1370 | time_get<_CharT, _InIter>::do_date_order() const | |
1371 | { return time_base::no_order; } | |
1372 | ||
1373 | template<typename _CharT, typename _InIter> | |
1374 | void | |
1375 | time_get<_CharT, _InIter>:: | |
3bd33b8a | 1376 | _M_extract_via_format(iter_type& __beg, iter_type& __end, ios_base& __io, |
1377 | ios_base::iostate& __err, tm* __tm, | |
1378 | const _CharT* __format) const | |
1379 | { | |
1380 | locale __loc = __io.getloc(); | |
1381 | __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc); | |
1382 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1383 | size_t __len = char_traits<_CharT>::length(__format); | |
1384 | ||
1385 | for (size_t __i = 0; __beg != __end && __i < __len && !__err; ++__i) | |
ba6690e3 | 1386 | { |
3bd33b8a | 1387 | char __c = __format[__i]; |
1388 | if (__c == '%') | |
ba6690e3 | 1389 | { |
3bd33b8a | 1390 | // Verify valid formatting code, attempt to extract. |
1391 | __c = __format[++__i]; | |
1392 | char __mod = 0; | |
1393 | int __mem = 0; | |
1394 | if (__c == 'E' || __c == 'O') | |
1395 | { | |
1396 | __mod = __c; | |
1397 | __c = __format[++__i]; | |
1398 | } | |
1399 | switch (__c) | |
1400 | { | |
1401 | const char* __cs; | |
1402 | _CharT __wcs[10]; | |
1403 | case 'a': | |
1404 | // Abbreviated weekday name [tm_wday] | |
1405 | const char_type* __days1[7]; | |
1406 | __tp._M_days_abbreviated(__days1); | |
1407 | _M_extract_name(__beg, __end, __tm->tm_wday, __days1, 7, | |
1408 | __err); | |
1409 | break; | |
1410 | case 'A': | |
1411 | // Weekday name [tm_wday]. | |
1412 | const char_type* __days2[7]; | |
1413 | __tp._M_days(__days2); | |
1414 | _M_extract_name(__beg, __end, __tm->tm_wday, __days2, 7, | |
1415 | __err); | |
1416 | break; | |
1417 | case 'h': | |
1418 | case 'b': | |
1419 | // Abbreviated month name [tm_mon] | |
1420 | const char_type* __months1[12]; | |
1421 | __tp._M_months_abbreviated(__months1); | |
1422 | _M_extract_name(__beg, __end, __tm->tm_mon, __months1, 12, | |
1423 | __err); | |
1424 | break; | |
1425 | case 'B': | |
1426 | // Month name [tm_mon]. | |
1427 | const char_type* __months2[12]; | |
1428 | __tp._M_months(__months2); | |
1429 | _M_extract_name(__beg, __end, __tm->tm_mon, __months2, 12, | |
1430 | __err); | |
1431 | break; | |
1432 | case 'c': | |
1433 | // Default time and date representation. | |
1434 | const char_type* __dt[2]; | |
1435 | __tp._M_date_time_formats(__dt); | |
1436 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1437 | __dt[0]); | |
1438 | break; | |
1439 | case 'd': | |
1440 | // Day [01, 31]. [tm_mday] | |
1441 | _M_extract_num(__beg, __end, __tm->tm_mday, 1, 31, 2, | |
1442 | __ctype, __err); | |
1443 | break; | |
1444 | case 'D': | |
1445 | // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year] | |
1446 | __cs = "%m/%d/%y"; | |
1447 | __ctype.widen(__cs, __cs + 9, __wcs); | |
1448 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1449 | __wcs); | |
1450 | break; | |
1451 | case 'H': | |
1452 | // Hour [00, 23]. [tm_hour] | |
1453 | _M_extract_num(__beg, __end, __tm->tm_hour, 0, 23, 2, | |
1454 | __ctype, __err); | |
1455 | break; | |
1456 | case 'I': | |
1457 | // Hour [01, 12]. [tm_hour] | |
7aad33f6 | 1458 | _M_extract_num(__beg, __end, __tm->tm_hour, 1, 12, 2, |
3bd33b8a | 1459 | __ctype, __err); |
1460 | break; | |
1461 | case 'm': | |
1462 | // Month [01, 12]. [tm_mon] | |
7aad33f6 | 1463 | _M_extract_num(__beg, __end, __mem, 1, 12, 2, __ctype, |
1464 | __err); | |
3bd33b8a | 1465 | if (!__err) |
1466 | __tm->tm_mon = __mem - 1; | |
1467 | break; | |
1468 | case 'M': | |
1469 | // Minute [00, 59]. [tm_min] | |
1470 | _M_extract_num(__beg, __end, __tm->tm_min, 0, 59, 2, | |
1471 | __ctype, __err); | |
1472 | break; | |
1473 | case 'n': | |
1474 | if (__ctype.narrow(*__beg, 0) == '\n') | |
1475 | ++__beg; | |
1476 | else | |
1477 | __err |= ios_base::failbit; | |
1478 | break; | |
1479 | case 'R': | |
1480 | // Equivalent to (%H:%M). | |
1481 | __cs = "%H:%M"; | |
1482 | __ctype.widen(__cs, __cs + 6, __wcs); | |
1483 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1484 | __wcs); | |
1485 | break; | |
1486 | case 'S': | |
1487 | // Seconds. | |
1488 | _M_extract_num(__beg, __end, __tm->tm_sec, 0, 59, 2, | |
1489 | __ctype, __err); | |
1490 | break; | |
1491 | case 't': | |
1492 | if (__ctype.narrow(*__beg, 0) == '\t') | |
1493 | ++__beg; | |
1494 | else | |
1495 | __err |= ios_base::failbit; | |
1496 | break; | |
1497 | case 'T': | |
1498 | // Equivalent to (%H:%M:%S). | |
1499 | __cs = "%H:%M:%S"; | |
1500 | __ctype.widen(__cs, __cs + 9, __wcs); | |
1501 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1502 | __wcs); | |
1503 | break; | |
1504 | case 'x': | |
1505 | // Locale's date. | |
1506 | const char_type* __dates[2]; | |
1507 | __tp._M_date_formats(__dates); | |
1508 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1509 | __dates[0]); | |
1510 | break; | |
1511 | case 'X': | |
1512 | // Locale's time. | |
1513 | const char_type* __times[2]; | |
1514 | __tp._M_time_formats(__times); | |
1515 | _M_extract_via_format(__beg, __end, __io, __err, __tm, | |
1516 | __times[0]); | |
1517 | break; | |
1518 | case 'y': | |
1519 | // Two digit year. [tm_year] | |
1520 | _M_extract_num(__beg, __end, __tm->tm_year, 0, 99, 2, | |
1521 | __ctype, __err); | |
1522 | break; | |
1523 | case 'Y': | |
1524 | // Year [1900). [tm_year] | |
1525 | _M_extract_num(__beg, __end, __mem, 0, | |
1526 | numeric_limits<int>::max(), 4, | |
1527 | __ctype, __err); | |
1528 | if (!__err) | |
1529 | __tm->tm_year = __mem - 1900; | |
1530 | break; | |
1531 | case 'Z': | |
1532 | // Timezone info. | |
1533 | if (__ctype.is(ctype_base::upper, *__beg)) | |
1534 | { | |
1535 | int __tmp; | |
1536 | _M_extract_name(__beg, __end, __tmp, | |
1537 | __timepunct<_CharT>::_S_timezones, | |
1538 | 14, __err); | |
1539 | ||
1540 | // GMT requires special effort. | |
1541 | char_type __c = *__beg; | |
1542 | if (!__err && __tmp == 0 | |
1543 | && (__c == __ctype.widen('-') | |
1544 | || __c == __ctype.widen('+'))) | |
1545 | { | |
1546 | _M_extract_num(__beg, __end, __tmp, 0, 23, 2, | |
1547 | __ctype, __err); | |
1548 | _M_extract_num(__beg, __end, __tmp, 0, 59, 2, | |
1549 | __ctype, __err); | |
1550 | } | |
1551 | } | |
1552 | else | |
1553 | __err |= ios_base::failbit; | |
1554 | break; | |
1555 | default: | |
1556 | // Not recognized. | |
1557 | __err |= ios_base::failbit; | |
1558 | } | |
1559 | } | |
ba6690e3 | 1560 | else |
3bd33b8a | 1561 | { |
1562 | // Verify format and input match, extract and discard. | |
1563 | if (__c == __ctype.narrow(*__beg, 0)) | |
1564 | ++__beg; | |
1565 | else | |
1566 | __err |= ios_base::failbit; | |
1567 | } | |
1568 | } | |
1569 | } | |
1570 | ||
1571 | template<typename _CharT, typename _InIter> | |
1572 | void | |
1573 | time_get<_CharT, _InIter>:: | |
1574 | _M_extract_num(iter_type& __beg, iter_type& __end, int& __member, | |
1575 | int __min, int __max, size_t __len, | |
1576 | const ctype<_CharT>& __ctype, | |
1577 | ios_base::iostate& __err) const | |
1578 | { | |
1579 | size_t __i = 0; | |
1580 | string __digits; | |
1581 | bool __testvalid = true; | |
1582 | char_type __c = *__beg; | |
1583 | while (__beg != __end && __i < __len | |
1584 | && __ctype.is(ctype_base::digit, __c)) | |
1585 | { | |
1586 | __digits += __ctype.narrow(__c, 0); | |
1587 | __c = *(++__beg); | |
1588 | ++__i; | |
1589 | } | |
1590 | if (__i == __len) | |
1591 | { | |
1592 | int __value = atoi(__digits.c_str()); | |
1593 | if (__min <= __value && __value <= __max) | |
1594 | __member = __value; | |
ba6690e3 | 1595 | else |
1596 | __testvalid = false; | |
3bd33b8a | 1597 | } |
1598 | else | |
1599 | __testvalid = false; | |
1600 | if (!__testvalid) | |
1601 | __err |= ios_base::failbit; | |
1d487aca | 1602 | } |
1603 | ||
ba6690e3 | 1604 | // Assumptions: |
1605 | // All elements in __names are unique. | |
1606 | template<typename _CharT, typename _InIter> | |
1607 | void | |
1608 | time_get<_CharT, _InIter>:: | |
1609 | _M_extract_name(iter_type& __beg, iter_type& __end, int& __member, | |
1610 | const _CharT** __names, size_t __indexlen, | |
1611 | ios_base::iostate& __err) const | |
1d487aca | 1612 | { |
0cb0a61b | 1613 | typedef char_traits<_CharT> __traits_type; |
d2a5262e | 1614 | int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) * __indexlen)); |
ba6690e3 | 1615 | size_t __nmatches = 0; |
1616 | size_t __pos = 0; | |
1617 | bool __testvalid = true; | |
1618 | const char_type* __name; | |
1d487aca | 1619 | |
ba6690e3 | 1620 | char_type __c = *__beg; |
1621 | // Look for initial matches. | |
1622 | for (size_t __i1 = 0; __i1 < __indexlen; ++__i1) | |
1623 | if (__c == __names[__i1][0]) | |
1624 | __matches[__nmatches++] = __i1; | |
1625 | ||
1626 | while(__nmatches > 1) | |
1627 | { | |
1628 | // Find smallest matching string. | |
1629 | size_t __minlen = 10; | |
1630 | for (size_t __i2 = 0; __i2 < __nmatches; ++__i2) | |
805e22b2 | 1631 | __minlen = std::min(__minlen, |
1632 | __traits_type::length(__names[__matches[__i2]])); | |
ba6690e3 | 1633 | |
1634 | if (__pos < __minlen && __beg != __end) | |
1635 | { | |
1636 | ++__pos; | |
1637 | __c = *(++__beg); | |
1638 | for (size_t __i3 = 0; __i3 < __nmatches; ++__i3) | |
1639 | { | |
1640 | __name = __names[__matches[__i3]]; | |
1641 | if (__name[__pos] != __c) | |
1642 | __matches[__i3] = __matches[--__nmatches]; | |
1643 | } | |
1644 | } | |
1645 | else | |
1646 | break; | |
1647 | } | |
1d487aca | 1648 | |
ba6690e3 | 1649 | if (__nmatches == 1) |
1650 | { | |
1651 | // Make sure found name is completely extracted. | |
1652 | __name = __names[__matches[0]]; | |
1653 | const size_t __len = __traits_type::length(__name); | |
1654 | while (__pos < __len && __beg != __end && __name[__pos] == *__beg) | |
1655 | ++__beg, ++__pos; | |
1656 | ||
1657 | if (__len == __pos) | |
1658 | __member = __matches[0]; | |
1659 | else | |
1660 | __testvalid = false; | |
1661 | } | |
1662 | else | |
1663 | __testvalid = false; | |
1664 | if (!__testvalid) | |
1665 | __err |= ios_base::failbit; | |
1d487aca | 1666 | } |
1667 | ||
ba6690e3 | 1668 | template<typename _CharT, typename _InIter> |
1669 | _InIter | |
1670 | time_get<_CharT, _InIter>:: | |
1671 | do_get_time(iter_type __beg, iter_type __end, ios_base& __io, | |
1672 | ios_base::iostate& __err, tm* __tm) const | |
1d487aca | 1673 | { |
3bd33b8a | 1674 | _CharT __wcs[3]; |
1675 | const char* __cs = "%X"; | |
ba6690e3 | 1676 | locale __loc = __io.getloc(); |
3bd33b8a | 1677 | ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); |
1678 | __ctype.widen(__cs, __cs + 3, __wcs); | |
1679 | _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs); | |
ba6690e3 | 1680 | if (__beg == __end) |
1681 | __err |= ios_base::eofbit; | |
1682 | return __beg; | |
1d487aca | 1683 | } |
1684 | ||
ba6690e3 | 1685 | template<typename _CharT, typename _InIter> |
1686 | _InIter | |
1687 | time_get<_CharT, _InIter>:: | |
1688 | do_get_date(iter_type __beg, iter_type __end, ios_base& __io, | |
3bd33b8a | 1689 | ios_base::iostate& __err, tm* __tm) const |
1d487aca | 1690 | { |
3bd33b8a | 1691 | _CharT __wcs[3]; |
1692 | const char* __cs = "%x"; | |
ba6690e3 | 1693 | locale __loc = __io.getloc(); |
3bd33b8a | 1694 | ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); |
1695 | __ctype.widen(__cs, __cs + 3, __wcs); | |
1696 | _M_extract_via_format(__beg, __end, __io, __err, __tm, __wcs); | |
ba6690e3 | 1697 | if (__beg == __end) |
1698 | __err |= ios_base::eofbit; | |
1699 | return __beg; | |
1d487aca | 1700 | } |
1701 | ||
ba6690e3 | 1702 | template<typename _CharT, typename _InIter> |
1703 | _InIter | |
1704 | time_get<_CharT, _InIter>:: | |
1705 | do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io, | |
1706 | ios_base::iostate& __err, tm* __tm) const | |
1d487aca | 1707 | { |
0cb0a61b | 1708 | typedef char_traits<_CharT> __traits_type; |
1d487aca | 1709 | locale __loc = __io.getloc(); |
ba6690e3 | 1710 | __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc); |
1711 | const char_type* __days[7]; | |
1712 | __tp._M_days_abbreviated(__days); | |
1713 | int __tmpwday; | |
1714 | _M_extract_name(__beg, __end, __tmpwday, __days, 7, __err); | |
1715 | ||
1716 | // Check to see if non-abbreviated name exists, and extract. | |
1717 | // NB: Assumes both _M_days and _M_days_abbreviated organized in | |
1718 | // exact same order, first to last, such that the resulting | |
1719 | // __days array with the same index points to a day, and that | |
1720 | // day's abbreviated form. | |
1721 | // NB: Also assumes that an abbreviated name is a subset of the name. | |
1722 | if (!__err) | |
1723 | { | |
1724 | size_t __pos = __traits_type::length(__days[__tmpwday]); | |
1725 | __tp._M_days(__days); | |
1726 | const char_type* __name = __days[__tmpwday]; | |
1727 | if (__name[__pos] == *__beg) | |
1728 | { | |
1729 | // Extract the rest of it. | |
1730 | const size_t __len = __traits_type::length(__name); | |
1731 | while (__pos < __len && __beg != __end | |
1732 | && __name[__pos] == *__beg) | |
1733 | ++__beg, ++__pos; | |
1734 | if (__len != __pos) | |
1735 | __err |= ios_base::failbit; | |
1736 | } | |
1737 | if (!__err) | |
1738 | __tm->tm_wday = __tmpwday; | |
1739 | } | |
1740 | if (__beg == __end) | |
1741 | __err |= ios_base::eofbit; | |
1742 | return __beg; | |
1743 | } | |
1d487aca | 1744 | |
ba6690e3 | 1745 | template<typename _CharT, typename _InIter> |
1746 | _InIter | |
1747 | time_get<_CharT, _InIter>:: | |
1748 | do_get_monthname(iter_type __beg, iter_type __end, | |
1749 | ios_base& __io, ios_base::iostate& __err, tm* __tm) const | |
1d487aca | 1750 | { |
0cb0a61b | 1751 | typedef char_traits<_CharT> __traits_type; |
ba6690e3 | 1752 | locale __loc = __io.getloc(); |
1753 | __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc); | |
1754 | const char_type* __months[12]; | |
1755 | __tp._M_months_abbreviated(__months); | |
1756 | int __tmpmon; | |
1757 | _M_extract_name(__beg, __end, __tmpmon, __months, 12, __err); | |
1758 | ||
1759 | // Check to see if non-abbreviated name exists, and extract. | |
1760 | // NB: Assumes both _M_months and _M_months_abbreviated organized in | |
1761 | // exact same order, first to last, such that the resulting | |
1762 | // __months array with the same index points to a month, and that | |
1763 | // month's abbreviated form. | |
1764 | // NB: Also assumes that an abbreviated name is a subset of the name. | |
1765 | if (!__err) | |
1766 | { | |
1767 | size_t __pos = __traits_type::length(__months[__tmpmon]); | |
1768 | __tp._M_months(__months); | |
1769 | const char_type* __name = __months[__tmpmon]; | |
1770 | if (__name[__pos] == *__beg) | |
1771 | { | |
1772 | // Extract the rest of it. | |
1773 | const size_t __len = __traits_type::length(__name); | |
1774 | while (__pos < __len && __beg != __end | |
1775 | && __name[__pos] == *__beg) | |
1776 | ++__beg, ++__pos; | |
1777 | if (__len != __pos) | |
1778 | __err |= ios_base::failbit; | |
1779 | } | |
1780 | if (!__err) | |
1781 | __tm->tm_mon = __tmpmon; | |
1782 | } | |
1783 | ||
1784 | if (__beg == __end) | |
1785 | __err |= ios_base::eofbit; | |
1786 | return __beg; | |
1d487aca | 1787 | } |
1788 | ||
ba6690e3 | 1789 | template<typename _CharT, typename _InIter> |
1790 | _InIter | |
1791 | time_get<_CharT, _InIter>:: | |
1792 | do_get_year(iter_type __beg, iter_type __end, ios_base& __io, | |
1793 | ios_base::iostate& __err, tm* __tm) const | |
1d487aca | 1794 | { |
ba6690e3 | 1795 | locale __loc = __io.getloc(); |
1796 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1797 | ||
1798 | char_type __c = *__beg; | |
1799 | size_t __i = 0; | |
1800 | string __digits; | |
1801 | while (__i < 4 && __beg != __end && __ctype.is(ctype_base::digit, __c)) | |
1802 | { | |
1803 | __digits += __ctype.narrow(__c, 0); | |
1804 | __c = *(++__beg); | |
1805 | ++__i; | |
1806 | } | |
1807 | if (__i == 2 || __i == 4) | |
1808 | { | |
df79fbbb | 1809 | long __l; |
1810 | __convert_to_v(__digits.c_str(), __l, __err, _S_c_locale); | |
1811 | if (!(__err & ios_base::failbit) && __l <= INT_MAX) | |
1812 | { | |
1813 | __l = __i == 2 ? __l : __l - 1900; | |
1814 | __tm->tm_year = static_cast<int>(__l); | |
1815 | } | |
ba6690e3 | 1816 | } |
1d487aca | 1817 | else |
ba6690e3 | 1818 | __err |= ios_base::failbit; |
1819 | if (__beg == __end) | |
1820 | __err |= ios_base::eofbit; | |
1821 | return __beg; | |
1d487aca | 1822 | } |
1823 | ||
79373486 | 1824 | template<typename _CharT, typename _OutIter> |
1d487aca | 1825 | _OutIter |
ba6690e3 | 1826 | time_put<_CharT, _OutIter>:: |
1827 | put(iter_type __s, ios_base& __io, char_type, const tm* __tm, | |
1828 | const _CharT* __beg, const _CharT* __end) const | |
88825d88 | 1829 | { |
1830 | locale __loc = __io.getloc(); | |
1831 | ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1832 | while (__beg != __end) | |
1833 | { | |
1834 | char __c = __ctype.narrow(*__beg, 0); | |
1835 | ++__beg; | |
1836 | if (__c == '%') | |
1837 | { | |
1838 | char __format; | |
1839 | char __mod = 0; | |
1840 | size_t __len = 1; | |
1841 | __c = __ctype.narrow(*__beg, 0); | |
1842 | ++__beg; | |
1843 | if (__c == 'E' || __c == 'O') | |
1844 | { | |
1845 | __mod = __c; | |
1846 | __format = __ctype.narrow(*__beg, 0); | |
1847 | ++__beg; | |
1848 | } | |
1849 | else | |
1850 | __format = __c; | |
7aad33f6 | 1851 | __s = this->do_put(__s, __io, char_type(), __tm, __format, |
1852 | __mod); | |
88825d88 | 1853 | } |
1854 | else | |
7aad33f6 | 1855 | { |
1856 | *__s = __c; | |
1857 | ++__s; | |
1858 | } | |
88825d88 | 1859 | } |
1860 | return __s; | |
1861 | } | |
1862 | ||
1863 | template<typename _CharT, typename _OutIter> | |
ba6690e3 | 1864 | _OutIter |
1865 | time_put<_CharT, _OutIter>:: | |
1866 | do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm, | |
1867 | char __format, char __mod) const | |
88825d88 | 1868 | { |
3bd33b8a | 1869 | locale __loc = __io.getloc(); |
1870 | ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); | |
1871 | __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc); | |
1872 | ||
88825d88 | 1873 | // NB: This size is arbitrary. Should this be a data member, |
1874 | // initialized at construction? | |
1875 | const size_t __maxlen = 64; | |
64fff29a | 1876 | char_type* __res = |
1877 | static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen)); | |
88825d88 | 1878 | |
1879 | // NB: In IEE 1003.1-200x, and perhaps other locale models, it | |
1880 | // is possible that the format character will be longer than one | |
1881 | // character. Possibilities include 'E' or 'O' followed by a | |
8aa131b0 | 1882 | // format character: if __mod is not the default argument, assume |
88825d88 | 1883 | // it's a valid modifier. |
3bd33b8a | 1884 | char_type __fmt[4]; |
1885 | __fmt[0] = __ctype.widen('%'); | |
88825d88 | 1886 | if (!__mod) |
1887 | { | |
1888 | __fmt[1] = __format; | |
3bd33b8a | 1889 | __fmt[2] = char_type(); |
88825d88 | 1890 | } |
1891 | else | |
1892 | { | |
1893 | __fmt[1] = __mod; | |
1894 | __fmt[2] = __format; | |
3bd33b8a | 1895 | __fmt[3] = char_type(); |
88825d88 | 1896 | } |
1897 | ||
5f8a31fe | 1898 | __tp._M_put(__res, __maxlen, __fmt, __tm); |
88825d88 | 1899 | |
1900 | // Write resulting, fully-formatted string to output iterator. | |
3bd33b8a | 1901 | size_t __len = char_traits<char_type>::length(__res); |
7aad33f6 | 1902 | for (size_t __i = 0; __i < __len; ++__i, ++__s) |
1903 | *__s = __res[__i]; | |
88825d88 | 1904 | return __s; |
1905 | } | |
1906 | ||
1d487aca | 1907 | |
e3e68d56 | 1908 | // Generic version does nothing. |
1909 | template<typename _CharT> | |
1910 | int | |
5f8a31fe | 1911 | collate<_CharT>::_M_compare(const _CharT*, const _CharT*) const |
e3e68d56 | 1912 | { return 0; } |
1913 | ||
1914 | // Generic version does nothing. | |
1915 | template<typename _CharT> | |
1916 | size_t | |
5f8a31fe | 1917 | collate<_CharT>::_M_transform(_CharT*, const _CharT*, size_t) const |
e3e68d56 | 1918 | { return 0; } |
1919 | ||
1920 | template<typename _CharT> | |
1921 | int | |
1922 | collate<_CharT>:: | |
ba6690e3 | 1923 | do_compare(const _CharT* __lo1, const _CharT* __hi1, |
e3e68d56 | 1924 | const _CharT* __lo2, const _CharT* __hi2) const |
1925 | { | |
1926 | const string_type __one(__lo1, __hi1); | |
1927 | const string_type __two(__lo2, __hi2); | |
5f8a31fe | 1928 | return _M_compare(__one.c_str(), __two.c_str()); |
e3e68d56 | 1929 | } |
1930 | ||
1931 | template<typename _CharT> | |
9b8efabc | 1932 | typename collate<_CharT>::string_type |
e3e68d56 | 1933 | collate<_CharT>:: |
1934 | do_transform(const _CharT* __lo, const _CharT* __hi) const | |
1935 | { | |
06d1cf8a | 1936 | size_t __len = (__hi - __lo) * 2; |
1937 | // First try a buffer perhaps big enough. | |
64fff29a | 1938 | _CharT* __c = |
1939 | static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __len)); | |
5f8a31fe | 1940 | size_t __res = _M_transform(__c, __lo, __len); |
06d1cf8a | 1941 | // If the buffer was not large enough, try again with the correct size. |
9947846b | 1942 | if (__res >= __len) |
e3e68d56 | 1943 | { |
c4aacf6e | 1944 | __c = |
06d1cf8a | 1945 | static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * (__res + 1))); |
5f8a31fe | 1946 | _M_transform(__c, __lo, __res + 1); |
e3e68d56 | 1947 | } |
9947846b | 1948 | return string_type(__c); |
e3e68d56 | 1949 | } |
1950 | ||
1951 | template<typename _CharT> | |
1952 | long | |
1953 | collate<_CharT>:: | |
1954 | do_hash(const _CharT* __lo, const _CharT* __hi) const | |
1955 | { | |
1956 | unsigned long __val = 0; | |
1957 | for (; __lo < __hi; ++__lo) | |
1958 | __val = *__lo + ((__val << 7) | | |
a568d8db | 1959 | (__val >> (numeric_limits<unsigned long>::digits - 7))); |
e3e68d56 | 1960 | return static_cast<long>(__val); |
1961 | } | |
ba6690e3 | 1962 | |
cfbeb4aa | 1963 | // Convert string to numeric value of type _Tv and store results. |
df79fbbb | 1964 | // NB: This is specialized for all required types, there is no |
1965 | // generic definition. | |
cfbeb4aa | 1966 | template<typename _Tv> |
df79fbbb | 1967 | void |
cfbeb4aa | 1968 | __convert_to_v(const char* __in, _Tv& __out, ios_base::iostate& __err, |
df79fbbb | 1969 | const __c_locale& __cloc, int __base = 10); |
1970 | ||
cfbeb4aa | 1971 | // Convert numeric value of type _Tv to string and return length of string. |
a524502d | 1972 | // If snprintf is available use it, otherwise fall back to the unsafe sprintf |
1973 | // which, in general, can be dangerous and should be avoided. | |
a524502d | 1974 | template<typename _Tv> |
1975 | int | |
1976 | __convert_from_v(char* __out, const int __size, const char* __fmt, | |
c05d178a | 1977 | _Tv __v, const __c_locale&, int __prec = -1); |
df79fbbb | 1978 | |
24a656f2 | 1979 | // Construct correctly padded string, as per 22.2.2.2.2 |
1980 | // Assumes | |
1981 | // __newlen > __oldlen | |
1982 | // __news is allocated for __newlen size | |
704a7baa | 1983 | // Used by both num_put and ostream inserters: if __num, |
1984 | // internal-adjusted objects are padded according to the rules below | |
1985 | // concerning 0[xX] and +-, otherwise, exactly as right-adjusted | |
1986 | // ones are. | |
0cb0a61b | 1987 | |
1988 | // NB: Of the two parameters, _CharT can be deduced from the | |
1989 | // function arguments. The other (_Traits) has to be explicitly specified. | |
24a656f2 | 1990 | template<typename _CharT, typename _Traits> |
0cb0a61b | 1991 | struct __pad |
24a656f2 | 1992 | { |
0cb0a61b | 1993 | static void |
1994 | _S_pad(ios_base& __io, _CharT __fill, _CharT* __news, | |
1995 | const _CharT* __olds, const streamsize __newlen, | |
1996 | const streamsize __oldlen, const bool __num); | |
1997 | }; | |
24a656f2 | 1998 | |
0cb0a61b | 1999 | template<typename _CharT, typename _Traits> |
2000 | void | |
2001 | __pad<_CharT, _Traits>::_S_pad(ios_base& __io, _CharT __fill, | |
2002 | _CharT* __news, const _CharT* __olds, | |
2003 | const streamsize __newlen, | |
2004 | const streamsize __oldlen, const bool __num) | |
2005 | { | |
2006 | size_t __plen = static_cast<size_t>(__newlen - __oldlen); | |
2007 | _CharT* __pads = static_cast<_CharT*>(__builtin_alloca(sizeof(_CharT) * __plen)); | |
2008 | _Traits::assign(__pads, __plen, __fill); | |
2009 | ||
2010 | _CharT* __beg; | |
2011 | _CharT* __end; | |
24a656f2 | 2012 | size_t __mod = 0; |
2013 | size_t __beglen; //either __plen or __oldlen | |
2014 | ios_base::fmtflags __adjust = __io.flags() & ios_base::adjustfield; | |
2015 | ||
2016 | if (__adjust == ios_base::left) | |
2017 | { | |
2018 | // Padding last. | |
0cb0a61b | 2019 | __beg = const_cast<_CharT*>(__olds); |
24a656f2 | 2020 | __beglen = __oldlen; |
2021 | __end = __pads; | |
2022 | } | |
704a7baa | 2023 | else if (__adjust == ios_base::internal && __num) |
24a656f2 | 2024 | { |
2025 | // Pad after the sign, if there is one. | |
2026 | // Pad after 0[xX], if there is one. | |
2027 | // Who came up with these rules, anyway? Jeeze. | |
2028 | locale __loc = __io.getloc(); | |
2029 | const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); | |
0cb0a61b | 2030 | const _CharT __minus = __ctype.widen('-'); |
2031 | const _CharT __plus = __ctype.widen('+'); | |
2032 | bool __testsign = _Traits::eq(__olds[0], __minus) | |
2033 | || _Traits::eq(__olds[0], __plus); | |
2034 | ||
2035 | bool __testhex = _Traits::eq(__ctype.widen('0'), __olds[0]) | |
2036 | && (_Traits::eq(__ctype.widen('x'), __olds[1]) | |
2037 | || _Traits::eq(__ctype.widen('X'), __olds[1])); | |
24a656f2 | 2038 | if (__testhex) |
2039 | { | |
2040 | __news[0] = __olds[0]; | |
2041 | __news[1] = __olds[1]; | |
2042 | __mod += 2; | |
2043 | __news += 2; | |
ee18ef85 | 2044 | __beg = __pads; |
2045 | __beglen = __plen; | |
0cb0a61b | 2046 | __end = const_cast<_CharT*>(__olds + __mod); |
24a656f2 | 2047 | } |
2048 | else if (__testsign) | |
2049 | { | |
0cb0a61b | 2050 | _Traits::eq((__news[0] = __olds[0]), __plus) ? __plus : __minus; |
24a656f2 | 2051 | ++__mod; |
2052 | ++__news; | |
2053 | __beg = __pads; | |
2054 | __beglen = __plen; | |
0cb0a61b | 2055 | __end = const_cast<_CharT*>(__olds + __mod); |
24a656f2 | 2056 | } |
2057 | else | |
2058 | { | |
2059 | // Padding first. | |
2060 | __beg = __pads; | |
2061 | __beglen = __plen; | |
0cb0a61b | 2062 | __end = const_cast<_CharT*>(__olds); |
24a656f2 | 2063 | } |
2064 | } | |
2065 | else | |
2066 | { | |
2067 | // Padding first. | |
2068 | __beg = __pads; | |
2069 | __beglen = __plen; | |
0cb0a61b | 2070 | __end = const_cast<_CharT*>(__olds); |
24a656f2 | 2071 | } |
0cb0a61b | 2072 | _Traits::copy(__news, __beg, __beglen); |
2073 | _Traits::copy(__news + __beglen, __end, | |
2074 | __newlen - __beglen - __mod); | |
24a656f2 | 2075 | } |
2076 | ||
ba6690e3 | 2077 | // Used by both numeric and monetary facets. |
2078 | // Check to make sure that the __grouping_tmp string constructed in | |
2079 | // money_get or num_get matches the canonical grouping for a given | |
2080 | // locale. | |
2081 | // __grouping_tmp is parsed L to R | |
2082 | // 1,222,444 == __grouping_tmp of "/1/3/3" | |
2083 | // __grouping is parsed R to L | |
2084 | // 1,222,444 == __grouping of "/3" == "/3/3/3" | |
2085 | template<typename _CharT> | |
2086 | bool | |
2087 | __verify_grouping(const basic_string<_CharT>& __grouping, | |
2088 | basic_string<_CharT>& __grouping_tmp) | |
2089 | { | |
2090 | int __i = 0; | |
2091 | int __j = 0; | |
2092 | const int __len = __grouping.size(); | |
2093 | const int __n = __grouping_tmp.size(); | |
2094 | bool __test = true; | |
2095 | ||
2096 | // Parsed number groupings have to match the | |
2097 | // numpunct::grouping string exactly, starting at the | |
2098 | // right-most point of the parsed sequence of elements ... | |
2099 | while (__test && __i < __n - 1) | |
2100 | for (__j = 0; __test && __j < __len && __i < __n - 1; ++__j,++__i) | |
2101 | __test &= __grouping[__j] == __grouping_tmp[__n - __i - 1]; | |
2102 | // ... but the last parsed grouping can be <= numpunct | |
2103 | // grouping. | |
2104 | __j == __len ? __j = 0 : __j; | |
2105 | __test &= __grouping[__j] >= __grouping_tmp[__n - __i - 1]; | |
2106 | return __test; | |
2107 | } | |
2108 | ||
2109 | // Used by both numeric and monetary facets. | |
2110 | // Inserts "group separator" characters into an array of characters. | |
2111 | // It's recursive, one iteration per group. It moves the characters | |
2112 | // in the buffer this way: "xxxx12345" -> "12,345xxx". Call this | |
2113 | // only with __gbeg != __gend. | |
2114 | template<typename _CharT> | |
2115 | _CharT* | |
24a656f2 | 2116 | __add_grouping(_CharT* __s, _CharT __sep, |
ba6690e3 | 2117 | const char* __gbeg, const char* __gend, |
2118 | const _CharT* __first, const _CharT* __last) | |
2119 | { | |
2120 | if (__last - __first > *__gbeg) | |
2121 | { | |
24a656f2 | 2122 | __s = __add_grouping(__s, __sep, |
ba6690e3 | 2123 | (__gbeg + 1 == __gend ? __gbeg : __gbeg + 1), |
2124 | __gend, __first, __last - *__gbeg); | |
2125 | __first = __last - *__gbeg; | |
2126 | *__s++ = __sep; | |
2127 | } | |
2128 | do | |
24a656f2 | 2129 | *__s++ = *__first++; |
ba6690e3 | 2130 | while (__first != __last); |
2131 | return __s; | |
2132 | } | |
11e7cbd1 | 2133 | |
2134 | // Inhibit implicit instantiations for required instantiations, | |
2135 | // which are defined via explicit instantiations elsewhere. | |
2136 | // NB: This syntax is a GNU extension. | |
2137 | extern template class moneypunct<char, false>; | |
2138 | extern template class moneypunct<char, true>; | |
2139 | extern template class moneypunct_byname<char, false>; | |
2140 | extern template class moneypunct_byname<char, true>; | |
e7bf6c0b | 2141 | extern template class money_get<char>; |
2142 | extern template class money_put<char>; | |
11e7cbd1 | 2143 | extern template class numpunct<char>; |
2144 | extern template class numpunct_byname<char>; | |
e7bf6c0b | 2145 | extern template class num_get<char>; |
2146 | extern template class num_put<char>; | |
11e7cbd1 | 2147 | extern template class __timepunct<char>; |
e7bf6c0b | 2148 | extern template class time_put<char>; |
2149 | extern template class time_put_byname<char>; | |
2150 | extern template class time_get<char>; | |
2151 | extern template class time_get_byname<char>; | |
11e7cbd1 | 2152 | extern template class messages<char>; |
2153 | extern template class messages_byname<char>; | |
11e7cbd1 | 2154 | extern template class ctype_byname<char>; |
11e7cbd1 | 2155 | extern template class codecvt_byname<char, char, mbstate_t>; |
11e7cbd1 | 2156 | extern template class collate<char>; |
2157 | extern template class collate_byname<char>; | |
e3e68d56 | 2158 | |
e7bf6c0b | 2159 | extern template |
2160 | const codecvt<char, char, mbstate_t>& | |
2161 | use_facet<codecvt<char, char, mbstate_t> >(const locale&); | |
2162 | ||
2163 | extern template | |
2164 | const collate<char>& | |
2165 | use_facet<collate<char> >(const locale&); | |
2166 | ||
2167 | extern template | |
2168 | const numpunct<char>& | |
2169 | use_facet<numpunct<char> >(const locale&); | |
2170 | ||
2171 | extern template | |
2172 | const num_put<char>& | |
2173 | use_facet<num_put<char> >(const locale&); | |
2174 | ||
2175 | extern template | |
2176 | const num_get<char>& | |
2177 | use_facet<num_get<char> >(const locale&); | |
2178 | ||
2179 | extern template | |
2180 | const moneypunct<char, true>& | |
2181 | use_facet<moneypunct<char, true> >(const locale&); | |
2182 | ||
2183 | extern template | |
2184 | const moneypunct<char, false>& | |
2185 | use_facet<moneypunct<char, false> >(const locale&); | |
2186 | ||
2187 | extern template | |
2188 | const money_put<char>& | |
2189 | use_facet<money_put<char> >(const locale&); | |
2190 | ||
2191 | extern template | |
2192 | const money_get<char>& | |
2193 | use_facet<money_get<char> >(const locale&); | |
2194 | ||
2195 | extern template | |
2196 | const __timepunct<char>& | |
2197 | use_facet<__timepunct<char> >(const locale&); | |
2198 | ||
2199 | extern template | |
2200 | const time_put<char>& | |
2201 | use_facet<time_put<char> >(const locale&); | |
2202 | ||
2203 | extern template | |
2204 | const time_get<char>& | |
2205 | use_facet<time_get<char> >(const locale&); | |
2206 | ||
2207 | extern template | |
2208 | const messages<char>& | |
2209 | use_facet<messages<char> >(const locale&); | |
2210 | ||
e7bf6c0b | 2211 | extern template |
2212 | bool | |
2213 | has_facet<ctype<char> >(const locale&); | |
2214 | ||
2215 | extern template | |
2216 | bool | |
2217 | has_facet<codecvt<char, char, mbstate_t> >(const locale&); | |
2218 | ||
2219 | extern template | |
2220 | bool | |
2221 | has_facet<collate<char> >(const locale&); | |
2222 | ||
2223 | extern template | |
2224 | bool | |
2225 | has_facet<numpunct<char> >(const locale&); | |
11e7cbd1 | 2226 | |
e7bf6c0b | 2227 | extern template |
2228 | bool | |
2229 | has_facet<num_put<char> >(const locale&); | |
11e7cbd1 | 2230 | |
e7bf6c0b | 2231 | extern template |
2232 | bool | |
2233 | has_facet<num_get<char> >(const locale&); | |
11e7cbd1 | 2234 | |
e7bf6c0b | 2235 | extern template |
2236 | bool | |
2237 | has_facet<moneypunct<char> >(const locale&); | |
2238 | ||
2239 | extern template | |
2240 | bool | |
2241 | has_facet<money_put<char> >(const locale&); | |
2242 | ||
2243 | extern template | |
2244 | bool | |
2245 | has_facet<money_get<char> >(const locale&); | |
2246 | ||
2247 | extern template | |
2248 | bool | |
2249 | has_facet<__timepunct<char> >(const locale&); | |
2250 | ||
2251 | extern template | |
2252 | bool | |
2253 | has_facet<time_put<char> >(const locale&); | |
2254 | ||
2255 | extern template | |
2256 | bool | |
2257 | has_facet<time_get<char> >(const locale&); | |
2258 | ||
2259 | extern template | |
2260 | bool | |
2261 | has_facet<messages<char> >(const locale&); | |
2262 | ||
42bc1f1c | 2263 | #ifdef _GLIBCPP_USE_WCHAR_T |
2264 | extern template class moneypunct<wchar_t, false>; | |
2265 | extern template class moneypunct<wchar_t, true>; | |
2266 | extern template class moneypunct_byname<wchar_t, false>; | |
2267 | extern template class moneypunct_byname<wchar_t, true>; | |
2268 | extern template class money_get<wchar_t>; | |
2269 | extern template class money_put<wchar_t>; | |
2270 | extern template class numpunct<wchar_t>; | |
2271 | extern template class numpunct_byname<wchar_t>; | |
2272 | extern template class num_get<wchar_t>; | |
2273 | extern template class num_put<wchar_t>; | |
2274 | extern template class __timepunct<wchar_t>; | |
2275 | extern template class time_put<wchar_t>; | |
2276 | extern template class time_put_byname<wchar_t>; | |
2277 | extern template class time_get<wchar_t>; | |
2278 | extern template class time_get_byname<wchar_t>; | |
2279 | extern template class messages<wchar_t>; | |
2280 | extern template class messages_byname<wchar_t>; | |
2281 | extern template class ctype_byname<wchar_t>; | |
2282 | extern template class codecvt_byname<wchar_t, char, mbstate_t>; | |
2283 | extern template class collate<wchar_t>; | |
2284 | extern template class collate_byname<wchar_t>; | |
2285 | ||
2286 | extern template | |
2287 | const codecvt<wchar_t, char, mbstate_t>& | |
2288 | use_facet<codecvt<wchar_t, char, mbstate_t> >(locale const&); | |
2289 | ||
2290 | extern template | |
2291 | const collate<wchar_t>& | |
2292 | use_facet<collate<wchar_t> >(const locale&); | |
2293 | ||
2294 | extern template | |
2295 | const numpunct<wchar_t>& | |
2296 | use_facet<numpunct<wchar_t> >(const locale&); | |
2297 | ||
2298 | extern template | |
2299 | const num_put<wchar_t>& | |
2300 | use_facet<num_put<wchar_t> >(const locale&); | |
2301 | ||
2302 | extern template | |
2303 | const num_get<wchar_t>& | |
2304 | use_facet<num_get<wchar_t> >(const locale&); | |
2305 | ||
2306 | extern template | |
2307 | const moneypunct<wchar_t, true>& | |
2308 | use_facet<moneypunct<wchar_t, true> >(const locale&); | |
2309 | ||
2310 | extern template | |
2311 | const moneypunct<wchar_t, false>& | |
2312 | use_facet<moneypunct<wchar_t, false> >(const locale&); | |
2313 | ||
2314 | extern template | |
2315 | const money_put<wchar_t>& | |
2316 | use_facet<money_put<wchar_t> >(const locale&); | |
2317 | ||
2318 | extern template | |
2319 | const money_get<wchar_t>& | |
2320 | use_facet<money_get<wchar_t> >(const locale&); | |
2321 | ||
2322 | extern template | |
2323 | const __timepunct<wchar_t>& | |
2324 | use_facet<__timepunct<wchar_t> >(const locale&); | |
2325 | ||
2326 | extern template | |
2327 | const time_put<wchar_t>& | |
2328 | use_facet<time_put<wchar_t> >(const locale&); | |
2329 | ||
2330 | extern template | |
2331 | const time_get<wchar_t>& | |
2332 | use_facet<time_get<wchar_t> >(const locale&); | |
2333 | ||
2334 | extern template | |
2335 | const messages<wchar_t>& | |
2336 | use_facet<messages<wchar_t> >(const locale&); | |
2337 | ||
e7bf6c0b | 2338 | extern template |
2339 | bool | |
2340 | has_facet<ctype<wchar_t> >(const locale&); | |
2341 | ||
2342 | extern template | |
2343 | bool | |
2344 | has_facet<codecvt<wchar_t, char, mbstate_t> >(const locale&); | |
2345 | ||
2346 | extern template | |
2347 | bool | |
2348 | has_facet<collate<wchar_t> >(const locale&); | |
2349 | ||
2350 | extern template | |
2351 | bool | |
2352 | has_facet<numpunct<wchar_t> >(const locale&); | |
2353 | ||
2354 | extern template | |
2355 | bool | |
2356 | has_facet<num_put<wchar_t> >(const locale&); | |
2357 | ||
2358 | extern template | |
2359 | bool | |
2360 | has_facet<num_get<wchar_t> >(const locale&); | |
2361 | ||
2362 | extern template | |
2363 | bool | |
2364 | has_facet<moneypunct<wchar_t> >(const locale&); | |
2365 | ||
2366 | extern template | |
2367 | bool | |
2368 | has_facet<money_put<wchar_t> >(const locale&); | |
2369 | ||
2370 | extern template | |
2371 | bool | |
2372 | has_facet<money_get<wchar_t> >(const locale&); | |
2373 | ||
2374 | extern template | |
2375 | bool | |
2376 | has_facet<__timepunct<wchar_t> >(const locale&); | |
2377 | ||
2378 | extern template | |
2379 | bool | |
2380 | has_facet<time_put<wchar_t> >(const locale&); | |
2381 | ||
2382 | extern template | |
2383 | bool | |
2384 | has_facet<time_get<wchar_t> >(const locale&); | |
2385 | ||
2386 | extern template | |
2387 | bool | |
2388 | has_facet<messages<wchar_t> >(const locale&); | |
42bc1f1c | 2389 | #endif |
e7bf6c0b | 2390 | } // namespace std |
2391 | ||
2392 | #endif |