1 // Locale support -*- C++ -*- 2 3 // Copyright (C) 2007-2020 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file bits/locale_facets_nonio.tcc 26 * This is an internal header file, included by other library headers. 27 * Do not attempt to use it directly. @headername{locale} 28 */ 29 30 #ifndef _LOCALE_FACETS_NONIO_TCC 31 #define _LOCALE_FACETS_NONIO_TCC 1 32 33 #pragma GCC system_header 34 35 namespace std _GLIBCXX_VISIBILITY(default) 36 { 37 _GLIBCXX_BEGIN_NAMESPACE_VERSION 38 39 template<typename _CharT, bool _Intl> 40 struct __use_cache<__moneypunct_cache<_CharT, _Intl> > 41 { 42 const __moneypunct_cache<_CharT, _Intl>* operator ()std::__use_cache43 operator() (const locale& __loc) const 44 { 45 const size_t __i = moneypunct<_CharT, _Intl>::id._M_id(); 46 const locale::facet** __caches = __loc._M_impl->_M_caches; 47 if (!__caches[__i]) 48 { 49 __moneypunct_cache<_CharT, _Intl>* __tmp = 0; 50 __try 51 { 52 __tmp = new __moneypunct_cache<_CharT, _Intl>; 53 __tmp->_M_cache(__loc); 54 } 55 __catch(...) 56 { 57 delete __tmp; 58 __throw_exception_again; 59 } 60 __loc._M_impl->_M_install_cache(__tmp, __i); 61 } 62 return static_cast< 63 const __moneypunct_cache<_CharT, _Intl>*>(__caches[__i]); 64 } 65 }; 66 67 template<typename _CharT, bool _Intl> 68 void _M_cache(const locale & __loc)69 __moneypunct_cache<_CharT, _Intl>::_M_cache(const locale& __loc) 70 { 71 const moneypunct<_CharT, _Intl>& __mp = 72 use_facet<moneypunct<_CharT, _Intl> >(__loc); 73 74 _M_decimal_point = __mp.decimal_point(); 75 _M_thousands_sep = __mp.thousands_sep(); 76 _M_frac_digits = __mp.frac_digits(); 77 78 char* __grouping = 0; 79 _CharT* __curr_symbol = 0; 80 _CharT* __positive_sign = 0; 81 _CharT* __negative_sign = 0; 82 __try 83 { 84 const string& __g = __mp.grouping(); 85 _M_grouping_size = __g.size(); 86 __grouping = new char[_M_grouping_size]; 87 __g.copy(__grouping, _M_grouping_size); 88 _M_use_grouping = (_M_grouping_size 89 && static_cast<signed char>(__grouping[0]) > 0 90 && (__grouping[0] 91 != __gnu_cxx::__numeric_traits<char>::__max)); 92 93 const basic_string<_CharT>& __cs = __mp.curr_symbol(); 94 _M_curr_symbol_size = __cs.size(); 95 __curr_symbol = new _CharT[_M_curr_symbol_size]; 96 __cs.copy(__curr_symbol, _M_curr_symbol_size); 97 98 const basic_string<_CharT>& __ps = __mp.positive_sign(); 99 _M_positive_sign_size = __ps.size(); 100 __positive_sign = new _CharT[_M_positive_sign_size]; 101 __ps.copy(__positive_sign, _M_positive_sign_size); 102 103 const basic_string<_CharT>& __ns = __mp.negative_sign(); 104 _M_negative_sign_size = __ns.size(); 105 __negative_sign = new _CharT[_M_negative_sign_size]; 106 __ns.copy(__negative_sign, _M_negative_sign_size); 107 108 _M_pos_format = __mp.pos_format(); 109 _M_neg_format = __mp.neg_format(); 110 111 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__loc); 112 __ct.widen(money_base::_S_atoms, 113 money_base::_S_atoms + money_base::_S_end, _M_atoms); 114 115 _M_grouping = __grouping; 116 _M_curr_symbol = __curr_symbol; 117 _M_positive_sign = __positive_sign; 118 _M_negative_sign = __negative_sign; 119 _M_allocated = true; 120 } 121 __catch(...) 122 { 123 delete [] __grouping; 124 delete [] __curr_symbol; 125 delete [] __positive_sign; 126 delete [] __negative_sign; 127 __throw_exception_again; 128 } 129 } 130 131 _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 132 133 template<typename _CharT, typename _InIter> 134 template<bool _Intl> 135 _InIter 136 money_get<_CharT, _InIter>:: _M_extract(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,string & __units) const137 _M_extract(iter_type __beg, iter_type __end, ios_base& __io, 138 ios_base::iostate& __err, string& __units) const 139 { 140 typedef char_traits<_CharT> __traits_type; 141 typedef typename string_type::size_type size_type; 142 typedef money_base::part part; 143 typedef __moneypunct_cache<_CharT, _Intl> __cache_type; 144 145 const locale& __loc = __io._M_getloc(); 146 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 147 148 __use_cache<__cache_type> __uc; 149 const __cache_type* __lc = __uc(__loc); 150 const char_type* __lit = __lc->_M_atoms; 151 152 // Deduced sign. 153 bool __negative = false; 154 // Sign size. 155 size_type __sign_size = 0; 156 // True if sign is mandatory. 157 const bool __mandatory_sign = (__lc->_M_positive_sign_size 158 && __lc->_M_negative_sign_size); 159 // String of grouping info from thousands_sep plucked from __units. 160 string __grouping_tmp; 161 if (__lc->_M_use_grouping) 162 __grouping_tmp.reserve(32); 163 // Last position before the decimal point. 164 int __last_pos = 0; 165 // Separator positions, then, possibly, fractional digits. 166 int __n = 0; 167 // If input iterator is in a valid state. 168 bool __testvalid = true; 169 // Flag marking when a decimal point is found. 170 bool __testdecfound = false; 171 172 // The tentative returned string is stored here. 173 string __res; 174 __res.reserve(32); 175 176 const char_type* __lit_zero = __lit + money_base::_S_zero; 177 const money_base::pattern __p = __lc->_M_neg_format; 178 for (int __i = 0; __i < 4 && __testvalid; ++__i) 179 { 180 const part __which = static_cast<part>(__p.field[__i]); 181 switch (__which) 182 { 183 case money_base::symbol: 184 // According to 22.2.6.1.2, p2, symbol is required 185 // if (__io.flags() & ios_base::showbase), otherwise 186 // is optional and consumed only if other characters 187 // are needed to complete the format. 188 if (__io.flags() & ios_base::showbase || __sign_size > 1 189 || __i == 0 190 || (__i == 1 && (__mandatory_sign 191 || (static_cast<part>(__p.field[0]) 192 == money_base::sign) 193 || (static_cast<part>(__p.field[2]) 194 == money_base::space))) 195 || (__i == 2 && ((static_cast<part>(__p.field[3]) 196 == money_base::value) 197 || (__mandatory_sign 198 && (static_cast<part>(__p.field[3]) 199 == money_base::sign))))) 200 { 201 const size_type __len = __lc->_M_curr_symbol_size; 202 size_type __j = 0; 203 for (; __beg != __end && __j < __len 204 && *__beg == __lc->_M_curr_symbol[__j]; 205 ++__beg, (void)++__j); 206 if (__j != __len 207 && (__j || __io.flags() & ios_base::showbase)) 208 __testvalid = false; 209 } 210 break; 211 case money_base::sign: 212 // Sign might not exist, or be more than one character long. 213 if (__lc->_M_positive_sign_size && __beg != __end 214 && *__beg == __lc->_M_positive_sign[0]) 215 { 216 __sign_size = __lc->_M_positive_sign_size; 217 ++__beg; 218 } 219 else if (__lc->_M_negative_sign_size && __beg != __end 220 && *__beg == __lc->_M_negative_sign[0]) 221 { 222 __negative = true; 223 __sign_size = __lc->_M_negative_sign_size; 224 ++__beg; 225 } 226 else if (__lc->_M_positive_sign_size 227 && !__lc->_M_negative_sign_size) 228 // "... if no sign is detected, the result is given the sign 229 // that corresponds to the source of the empty string" 230 __negative = true; 231 else if (__mandatory_sign) 232 __testvalid = false; 233 break; 234 case money_base::value: 235 // Extract digits, remove and stash away the 236 // grouping of found thousands separators. 237 for (; __beg != __end; ++__beg) 238 { 239 const char_type __c = *__beg; 240 const char_type* __q = __traits_type::find(__lit_zero, 241 10, __c); 242 if (__q != 0) 243 { 244 __res += money_base::_S_atoms[__q - __lit]; 245 ++__n; 246 } 247 else if (__c == __lc->_M_decimal_point 248 && !__testdecfound) 249 { 250 if (__lc->_M_frac_digits <= 0) 251 break; 252 253 __last_pos = __n; 254 __n = 0; 255 __testdecfound = true; 256 } 257 else if (__lc->_M_use_grouping 258 && __c == __lc->_M_thousands_sep 259 && !__testdecfound) 260 { 261 if (__n) 262 { 263 // Mark position for later analysis. 264 __grouping_tmp += static_cast<char>(__n); 265 __n = 0; 266 } 267 else 268 { 269 __testvalid = false; 270 break; 271 } 272 } 273 else 274 break; 275 } 276 if (__res.empty()) 277 __testvalid = false; 278 break; 279 case money_base::space: 280 // At least one space is required. 281 if (__beg != __end && __ctype.is(ctype_base::space, *__beg)) 282 ++__beg; 283 else 284 __testvalid = false; 285 // fallthrough 286 case money_base::none: 287 // Only if not at the end of the pattern. 288 if (__i != 3) 289 for (; __beg != __end 290 && __ctype.is(ctype_base::space, *__beg); ++__beg); 291 break; 292 } 293 } 294 295 // Need to get the rest of the sign characters, if they exist. 296 if (__sign_size > 1 && __testvalid) 297 { 298 const char_type* __sign = __negative ? __lc->_M_negative_sign 299 : __lc->_M_positive_sign; 300 size_type __i = 1; 301 for (; __beg != __end && __i < __sign_size 302 && *__beg == __sign[__i]; ++__beg, (void)++__i); 303 304 if (__i != __sign_size) 305 __testvalid = false; 306 } 307 308 if (__testvalid) 309 { 310 // Strip leading zeros. 311 if (__res.size() > 1) 312 { 313 const size_type __first = __res.find_first_not_of('0'); 314 const bool __only_zeros = __first == string::npos; 315 if (__first) 316 __res.erase(0, __only_zeros ? __res.size() - 1 : __first); 317 } 318 319 // 22.2.6.1.2, p4 320 if (__negative && __res[0] != '0') 321 __res.insert(__res.begin(), '-'); 322 323 // Test for grouping fidelity. 324 if (__grouping_tmp.size()) 325 { 326 // Add the ending grouping. 327 __grouping_tmp += static_cast<char>(__testdecfound ? __last_pos 328 : __n); 329 if (!std::__verify_grouping(__lc->_M_grouping, 330 __lc->_M_grouping_size, 331 __grouping_tmp)) 332 __err |= ios_base::failbit; 333 } 334 335 // Iff not enough digits were supplied after the decimal-point. 336 if (__testdecfound && __n != __lc->_M_frac_digits) 337 __testvalid = false; 338 } 339 340 // Iff valid sequence is not recognized. 341 if (!__testvalid) 342 __err |= ios_base::failbit; 343 else 344 __units.swap(__res); 345 346 // Iff no more characters are available. 347 if (__beg == __end) 348 __err |= ios_base::eofbit; 349 return __beg; 350 } 351 352 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ 353 && _GLIBCXX_USE_CXX11_ABI == 0 354 template<typename _CharT, typename _InIter> 355 _InIter 356 money_get<_CharT, _InIter>:: __do_get(iter_type __beg,iter_type __end,bool __intl,ios_base & __io,ios_base::iostate & __err,double & __units) const357 __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, 358 ios_base::iostate& __err, double& __units) const 359 { 360 string __str; 361 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) 362 : _M_extract<false>(__beg, __end, __io, __err, __str); 363 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale()); 364 return __beg; 365 } 366 #endif 367 368 template<typename _CharT, typename _InIter> 369 _InIter 370 money_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,bool __intl,ios_base & __io,ios_base::iostate & __err,long double & __units) const371 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, 372 ios_base::iostate& __err, long double& __units) const 373 { 374 string __str; 375 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) 376 : _M_extract<false>(__beg, __end, __io, __err, __str); 377 std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale()); 378 return __beg; 379 } 380 381 template<typename _CharT, typename _InIter> 382 _InIter 383 money_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,bool __intl,ios_base & __io,ios_base::iostate & __err,string_type & __digits) const384 do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io, 385 ios_base::iostate& __err, string_type& __digits) const 386 { 387 typedef typename string::size_type size_type; 388 389 const locale& __loc = __io._M_getloc(); 390 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 391 392 string __str; 393 __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str) 394 : _M_extract<false>(__beg, __end, __io, __err, __str); 395 const size_type __len = __str.size(); 396 if (__len) 397 { 398 __digits.resize(__len); 399 __ctype.widen(__str.data(), __str.data() + __len, &__digits[0]); 400 } 401 return __beg; 402 } 403 404 template<typename _CharT, typename _OutIter> 405 template<bool _Intl> 406 _OutIter 407 money_put<_CharT, _OutIter>:: _M_insert(iter_type __s,ios_base & __io,char_type __fill,const string_type & __digits) const408 _M_insert(iter_type __s, ios_base& __io, char_type __fill, 409 const string_type& __digits) const 410 { 411 typedef typename string_type::size_type size_type; 412 typedef money_base::part part; 413 typedef __moneypunct_cache<_CharT, _Intl> __cache_type; 414 415 const locale& __loc = __io._M_getloc(); 416 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 417 418 __use_cache<__cache_type> __uc; 419 const __cache_type* __lc = __uc(__loc); 420 const char_type* __lit = __lc->_M_atoms; 421 422 // Determine if negative or positive formats are to be used, and 423 // discard leading negative_sign if it is present. 424 const char_type* __beg = __digits.data(); 425 426 money_base::pattern __p; 427 const char_type* __sign; 428 size_type __sign_size; 429 if (!(*__beg == __lit[money_base::_S_minus])) 430 { 431 __p = __lc->_M_pos_format; 432 __sign = __lc->_M_positive_sign; 433 __sign_size = __lc->_M_positive_sign_size; 434 } 435 else 436 { 437 __p = __lc->_M_neg_format; 438 __sign = __lc->_M_negative_sign; 439 __sign_size = __lc->_M_negative_sign_size; 440 if (__digits.size()) 441 ++__beg; 442 } 443 444 // Look for valid numbers in the ctype facet within input digits. 445 size_type __len = __ctype.scan_not(ctype_base::digit, __beg, 446 __beg + __digits.size()) - __beg; 447 if (__len) 448 { 449 // Assume valid input, and attempt to format. 450 // Break down input numbers into base components, as follows: 451 // final_value = grouped units + (decimal point) + (digits) 452 string_type __value; 453 __value.reserve(2 * __len); 454 455 // Add thousands separators to non-decimal digits, per 456 // grouping rules. 457 long __paddec = __len - __lc->_M_frac_digits; 458 if (__paddec > 0) 459 { 460 if (__lc->_M_frac_digits < 0) 461 __paddec = __len; 462 if (__lc->_M_grouping_size) 463 { 464 __value.assign(2 * __paddec, char_type()); 465 _CharT* __vend = 466 std::__add_grouping(&__value[0], __lc->_M_thousands_sep, 467 __lc->_M_grouping, 468 __lc->_M_grouping_size, 469 __beg, __beg + __paddec); 470 __value.erase(__vend - &__value[0]); 471 } 472 else 473 __value.assign(__beg, __paddec); 474 } 475 476 // Deal with decimal point, decimal digits. 477 if (__lc->_M_frac_digits > 0) 478 { 479 __value += __lc->_M_decimal_point; 480 if (__paddec >= 0) 481 __value.append(__beg + __paddec, __lc->_M_frac_digits); 482 else 483 { 484 // Have to pad zeros in the decimal position. 485 __value.append(-__paddec, __lit[money_base::_S_zero]); 486 __value.append(__beg, __len); 487 } 488 } 489 490 // Calculate length of resulting string. 491 const ios_base::fmtflags __f = __io.flags() 492 & ios_base::adjustfield; 493 __len = __value.size() + __sign_size; 494 __len += ((__io.flags() & ios_base::showbase) 495 ? __lc->_M_curr_symbol_size : 0); 496 497 string_type __res; 498 __res.reserve(2 * __len); 499 500 const size_type __width = static_cast<size_type>(__io.width()); 501 const bool __testipad = (__f == ios_base::internal 502 && __len < __width); 503 // Fit formatted digits into the required pattern. 504 for (int __i = 0; __i < 4; ++__i) 505 { 506 const part __which = static_cast<part>(__p.field[__i]); 507 switch (__which) 508 { 509 case money_base::symbol: 510 if (__io.flags() & ios_base::showbase) 511 __res.append(__lc->_M_curr_symbol, 512 __lc->_M_curr_symbol_size); 513 break; 514 case money_base::sign: 515 // Sign might not exist, or be more than one 516 // character long. In that case, add in the rest 517 // below. 518 if (__sign_size) 519 __res += __sign[0]; 520 break; 521 case money_base::value: 522 __res += __value; 523 break; 524 case money_base::space: 525 // At least one space is required, but if internal 526 // formatting is required, an arbitrary number of 527 // fill spaces will be necessary. 528 if (__testipad) 529 __res.append(__width - __len, __fill); 530 else 531 __res += __fill; 532 break; 533 case money_base::none: 534 if (__testipad) 535 __res.append(__width - __len, __fill); 536 break; 537 } 538 } 539 540 // Special case of multi-part sign parts. 541 if (__sign_size > 1) 542 __res.append(__sign + 1, __sign_size - 1); 543 544 // Pad, if still necessary. 545 __len = __res.size(); 546 if (__width > __len) 547 { 548 if (__f == ios_base::left) 549 // After. 550 __res.append(__width - __len, __fill); 551 else 552 // Before. 553 __res.insert(0, __width - __len, __fill); 554 __len = __width; 555 } 556 557 // Write resulting, fully-formatted string to output iterator. 558 __s = std::__write(__s, __res.data(), __len); 559 } 560 __io.width(0); 561 return __s; 562 } 563 564 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \ 565 && _GLIBCXX_USE_CXX11_ABI == 0 566 template<typename _CharT, typename _OutIter> 567 _OutIter 568 money_put<_CharT, _OutIter>:: __do_put(iter_type __s,bool __intl,ios_base & __io,char_type __fill,double __units) const569 __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, 570 double __units) const 571 { return this->do_put(__s, __intl, __io, __fill, (long double) __units); } 572 #endif 573 574 template<typename _CharT, typename _OutIter> 575 _OutIter 576 money_put<_CharT, _OutIter>:: do_put(iter_type __s,bool __intl,ios_base & __io,char_type __fill,long double __units) const577 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, 578 long double __units) const 579 { 580 const locale __loc = __io.getloc(); 581 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 582 #if _GLIBCXX_USE_C99_STDIO 583 // First try a buffer perhaps big enough. 584 int __cs_size = 64; 585 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 586 // _GLIBCXX_RESOLVE_LIB_DEFECTS 587 // 328. Bad sprintf format modifier in money_put<>::do_put() 588 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 589 "%.*Lf", 0, __units); 590 // If the buffer was not large enough, try again with the correct size. 591 if (__len >= __cs_size) 592 { 593 __cs_size = __len + 1; 594 __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 595 __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size, 596 "%.*Lf", 0, __units); 597 } 598 #else 599 // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'. 600 const int __cs_size = 601 __gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 3; 602 char* __cs = static_cast<char*>(__builtin_alloca(__cs_size)); 603 int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf", 604 0, __units); 605 #endif 606 string_type __digits(__len, char_type()); 607 __ctype.widen(__cs, __cs + __len, &__digits[0]); 608 return __intl ? _M_insert<true>(__s, __io, __fill, __digits) 609 : _M_insert<false>(__s, __io, __fill, __digits); 610 } 611 612 template<typename _CharT, typename _OutIter> 613 _OutIter 614 money_put<_CharT, _OutIter>:: do_put(iter_type __s,bool __intl,ios_base & __io,char_type __fill,const string_type & __digits) const615 do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill, 616 const string_type& __digits) const 617 { return __intl ? _M_insert<true>(__s, __io, __fill, __digits) 618 : _M_insert<false>(__s, __io, __fill, __digits); } 619 620 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 621 622 // NB: Not especially useful. Without an ios_base object or some 623 // kind of locale reference, we are left clawing at the air where 624 // the side of the mountain used to be... 625 template<typename _CharT, typename _InIter> 626 time_base::dateorder do_date_order() const627 time_get<_CharT, _InIter>::do_date_order() const 628 { return time_base::no_order; } 629 630 // Expand a strftime format string and parse it. E.g., do_get_date() may 631 // pass %m/%d/%Y => extracted characters. 632 template<typename _CharT, typename _InIter> 633 _InIter 634 time_get<_CharT, _InIter>:: _M_extract_via_format(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm,const _CharT * __format) const635 _M_extract_via_format(iter_type __beg, iter_type __end, ios_base& __io, 636 ios_base::iostate& __err, tm* __tm, 637 const _CharT* __format) const 638 { 639 const locale& __loc = __io._M_getloc(); 640 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); 641 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 642 const size_t __len = char_traits<_CharT>::length(__format); 643 644 ios_base::iostate __tmperr = ios_base::goodbit; 645 size_t __i = 0; 646 for (; __beg != __end && __i < __len && !__tmperr; ++__i) 647 { 648 if (__ctype.narrow(__format[__i], 0) == '%') 649 { 650 // Verify valid formatting code, attempt to extract. 651 char __c = __ctype.narrow(__format[++__i], 0); 652 int __mem = 0; 653 if (__c == 'E' || __c == 'O') 654 __c = __ctype.narrow(__format[++__i], 0); 655 switch (__c) 656 { 657 const char* __cs; 658 _CharT __wcs[10]; 659 case 'a': 660 // Abbreviated weekday name [tm_wday] 661 const char_type* __days1[7]; 662 __tp._M_days_abbreviated(__days1); 663 __beg = _M_extract_name(__beg, __end, __mem, __days1, 664 7, __io, __tmperr); 665 if (!__tmperr) 666 __tm->tm_wday = __mem; 667 break; 668 case 'A': 669 // Weekday name [tm_wday]. 670 const char_type* __days2[7]; 671 __tp._M_days(__days2); 672 __beg = _M_extract_name(__beg, __end, __mem, __days2, 673 7, __io, __tmperr); 674 if (!__tmperr) 675 __tm->tm_wday = __mem; 676 break; 677 case 'h': 678 case 'b': 679 // Abbreviated month name [tm_mon] 680 const char_type* __months1[12]; 681 __tp._M_months_abbreviated(__months1); 682 __beg = _M_extract_name(__beg, __end, __mem, 683 __months1, 12, __io, __tmperr); 684 if (!__tmperr) 685 __tm->tm_mon = __mem; 686 break; 687 case 'B': 688 // Month name [tm_mon]. 689 const char_type* __months2[12]; 690 __tp._M_months(__months2); 691 __beg = _M_extract_name(__beg, __end, __mem, 692 __months2, 12, __io, __tmperr); 693 if (!__tmperr) 694 __tm->tm_mon = __mem; 695 break; 696 case 'c': 697 // Default time and date representation. 698 const char_type* __dt[2]; 699 __tp._M_date_time_formats(__dt); 700 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 701 __tm, __dt[0]); 702 break; 703 case 'd': 704 // Day [01, 31]. [tm_mday] 705 __beg = _M_extract_num(__beg, __end, __mem, 1, 31, 2, 706 __io, __tmperr); 707 if (!__tmperr) 708 __tm->tm_mday = __mem; 709 break; 710 case 'e': 711 // Day [1, 31], with single digits preceded by 712 // space. [tm_mday] 713 if (__ctype.is(ctype_base::space, *__beg)) 714 __beg = _M_extract_num(++__beg, __end, __mem, 1, 9, 715 1, __io, __tmperr); 716 else 717 __beg = _M_extract_num(__beg, __end, __mem, 10, 31, 718 2, __io, __tmperr); 719 if (!__tmperr) 720 __tm->tm_mday = __mem; 721 break; 722 case 'D': 723 // Equivalent to %m/%d/%y.[tm_mon, tm_mday, tm_year] 724 __cs = "%m/%d/%y"; 725 __ctype.widen(__cs, __cs + 9, __wcs); 726 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 727 __tm, __wcs); 728 break; 729 case 'H': 730 // Hour [00, 23]. [tm_hour] 731 __beg = _M_extract_num(__beg, __end, __mem, 0, 23, 2, 732 __io, __tmperr); 733 if (!__tmperr) 734 __tm->tm_hour = __mem; 735 break; 736 case 'I': 737 // Hour [01, 12]. [tm_hour] 738 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2, 739 __io, __tmperr); 740 if (!__tmperr) 741 __tm->tm_hour = __mem; 742 break; 743 case 'm': 744 // Month [01, 12]. [tm_mon] 745 __beg = _M_extract_num(__beg, __end, __mem, 1, 12, 2, 746 __io, __tmperr); 747 if (!__tmperr) 748 __tm->tm_mon = __mem - 1; 749 break; 750 case 'M': 751 // Minute [00, 59]. [tm_min] 752 __beg = _M_extract_num(__beg, __end, __mem, 0, 59, 2, 753 __io, __tmperr); 754 if (!__tmperr) 755 __tm->tm_min = __mem; 756 break; 757 case 'n': 758 if (__ctype.narrow(*__beg, 0) == '\n') 759 ++__beg; 760 else 761 __tmperr |= ios_base::failbit; 762 break; 763 case 'R': 764 // Equivalent to (%H:%M). 765 __cs = "%H:%M"; 766 __ctype.widen(__cs, __cs + 6, __wcs); 767 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 768 __tm, __wcs); 769 break; 770 case 'S': 771 // Seconds. [tm_sec] 772 // [00, 60] in C99 (one leap-second), [00, 61] in C89. 773 #if _GLIBCXX_USE_C99 774 __beg = _M_extract_num(__beg, __end, __mem, 0, 60, 2, 775 #else 776 __beg = _M_extract_num(__beg, __end, __mem, 0, 61, 2, 777 #endif 778 __io, __tmperr); 779 if (!__tmperr) 780 __tm->tm_sec = __mem; 781 break; 782 case 't': 783 if (__ctype.narrow(*__beg, 0) == '\t') 784 ++__beg; 785 else 786 __tmperr |= ios_base::failbit; 787 break; 788 case 'T': 789 // Equivalent to (%H:%M:%S). 790 __cs = "%H:%M:%S"; 791 __ctype.widen(__cs, __cs + 9, __wcs); 792 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 793 __tm, __wcs); 794 break; 795 case 'x': 796 // Locale's date. 797 const char_type* __dates[2]; 798 __tp._M_date_formats(__dates); 799 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 800 __tm, __dates[0]); 801 break; 802 case 'X': 803 // Locale's time. 804 const char_type* __times[2]; 805 __tp._M_time_formats(__times); 806 __beg = _M_extract_via_format(__beg, __end, __io, __tmperr, 807 __tm, __times[0]); 808 break; 809 case 'y': 810 case 'C': // C99 811 // Two digit year. 812 case 'Y': 813 // Year [1900). 814 // NB: We parse either two digits, implicitly years since 815 // 1900, or 4 digits, full year. In both cases we can 816 // reconstruct [tm_year]. See also libstdc++/26701. 817 __beg = _M_extract_num(__beg, __end, __mem, 0, 9999, 4, 818 __io, __tmperr); 819 if (!__tmperr) 820 __tm->tm_year = __mem < 0 ? __mem + 100 : __mem - 1900; 821 break; 822 case 'Z': 823 // Timezone info. 824 if (__ctype.is(ctype_base::upper, *__beg)) 825 { 826 int __tmp; 827 __beg = _M_extract_name(__beg, __end, __tmp, 828 __timepunct_cache<_CharT>::_S_timezones, 829 14, __io, __tmperr); 830 831 // GMT requires special effort. 832 if (__beg != __end && !__tmperr && __tmp == 0 833 && (*__beg == __ctype.widen('-') 834 || *__beg == __ctype.widen('+'))) 835 { 836 __beg = _M_extract_num(__beg, __end, __tmp, 0, 23, 2, 837 __io, __tmperr); 838 __beg = _M_extract_num(__beg, __end, __tmp, 0, 59, 2, 839 __io, __tmperr); 840 } 841 } 842 else 843 __tmperr |= ios_base::failbit; 844 break; 845 default: 846 // Not recognized. 847 __tmperr |= ios_base::failbit; 848 } 849 } 850 else 851 { 852 // Verify format and input match, extract and discard. 853 if (__format[__i] == *__beg) 854 ++__beg; 855 else 856 __tmperr |= ios_base::failbit; 857 } 858 } 859 860 if (__tmperr || __i != __len) 861 __err |= ios_base::failbit; 862 863 return __beg; 864 } 865 866 template<typename _CharT, typename _InIter> 867 _InIter 868 time_get<_CharT, _InIter>:: _M_extract_num(iter_type __beg,iter_type __end,int & __member,int __min,int __max,size_t __len,ios_base & __io,ios_base::iostate & __err) const869 _M_extract_num(iter_type __beg, iter_type __end, int& __member, 870 int __min, int __max, size_t __len, 871 ios_base& __io, ios_base::iostate& __err) const 872 { 873 const locale& __loc = __io._M_getloc(); 874 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 875 876 // As-is works for __len = 1, 2, 4, the values actually used. 877 int __mult = __len == 2 ? 10 : (__len == 4 ? 1000 : 1); 878 879 ++__min; 880 size_t __i = 0; 881 int __value = 0; 882 for (; __beg != __end && __i < __len; ++__beg, (void)++__i) 883 { 884 const char __c = __ctype.narrow(*__beg, '*'); 885 if (__c >= '0' && __c <= '9') 886 { 887 __value = __value * 10 + (__c - '0'); 888 const int __valuec = __value * __mult; 889 if (__valuec > __max || __valuec + __mult < __min) 890 break; 891 __mult /= 10; 892 } 893 else 894 break; 895 } 896 if (__i == __len) 897 __member = __value; 898 // Special encoding for do_get_year, 'y', and 'Y' above. 899 else if (__len == 4 && __i == 2) 900 __member = __value - 100; 901 else 902 __err |= ios_base::failbit; 903 904 return __beg; 905 } 906 907 // Assumptions: 908 // All elements in __names are unique. 909 template<typename _CharT, typename _InIter> 910 _InIter 911 time_get<_CharT, _InIter>:: _M_extract_name(iter_type __beg,iter_type __end,int & __member,const _CharT ** __names,size_t __indexlen,ios_base & __io,ios_base::iostate & __err) const912 _M_extract_name(iter_type __beg, iter_type __end, int& __member, 913 const _CharT** __names, size_t __indexlen, 914 ios_base& __io, ios_base::iostate& __err) const 915 { 916 typedef char_traits<_CharT> __traits_type; 917 const locale& __loc = __io._M_getloc(); 918 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 919 920 int* __matches = static_cast<int*>(__builtin_alloca(sizeof(int) 921 * __indexlen)); 922 size_t __nmatches = 0; 923 size_t __pos = 0; 924 bool __testvalid = true; 925 const char_type* __name; 926 927 // Look for initial matches. 928 // NB: Some of the locale data is in the form of all lowercase 929 // names, and some is in the form of initially-capitalized 930 // names. Look for both. 931 if (__beg != __end) 932 { 933 const char_type __c = *__beg; 934 for (size_t __i1 = 0; __i1 < __indexlen; ++__i1) 935 if (__c == __names[__i1][0] 936 || __c == __ctype.toupper(__names[__i1][0])) 937 __matches[__nmatches++] = __i1; 938 } 939 940 while (__nmatches > 1) 941 { 942 // Find smallest matching string. 943 size_t __minlen = __traits_type::length(__names[__matches[0]]); 944 for (size_t __i2 = 1; __i2 < __nmatches; ++__i2) 945 __minlen = std::min(__minlen, 946 __traits_type::length(__names[__matches[__i2]])); 947 ++__beg; 948 ++__pos; 949 if (__pos < __minlen && __beg != __end) 950 for (size_t __i3 = 0; __i3 < __nmatches;) 951 { 952 __name = __names[__matches[__i3]]; 953 if (!(__name[__pos] == *__beg)) 954 __matches[__i3] = __matches[--__nmatches]; 955 else 956 ++__i3; 957 } 958 else 959 break; 960 } 961 962 if (__nmatches == 1) 963 { 964 // Make sure found name is completely extracted. 965 ++__beg; 966 ++__pos; 967 __name = __names[__matches[0]]; 968 const size_t __len = __traits_type::length(__name); 969 while (__pos < __len && __beg != __end && __name[__pos] == *__beg) 970 ++__beg, (void)++__pos; 971 972 if (__len == __pos) 973 __member = __matches[0]; 974 else 975 __testvalid = false; 976 } 977 else 978 __testvalid = false; 979 if (!__testvalid) 980 __err |= ios_base::failbit; 981 982 return __beg; 983 } 984 985 template<typename _CharT, typename _InIter> 986 _InIter 987 time_get<_CharT, _InIter>:: _M_extract_wday_or_month(iter_type __beg,iter_type __end,int & __member,const _CharT ** __names,size_t __indexlen,ios_base & __io,ios_base::iostate & __err) const988 _M_extract_wday_or_month(iter_type __beg, iter_type __end, int& __member, 989 const _CharT** __names, size_t __indexlen, 990 ios_base& __io, ios_base::iostate& __err) const 991 { 992 typedef char_traits<_CharT> __traits_type; 993 const locale& __loc = __io._M_getloc(); 994 const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc); 995 996 int* __matches = static_cast<int*>(__builtin_alloca(2 * sizeof(int) 997 * __indexlen)); 998 size_t __nmatches = 0; 999 size_t* __matches_lengths = 0; 1000 size_t __pos = 0; 1001 1002 if (__beg != __end) 1003 { 1004 const char_type __c = *__beg; 1005 for (size_t __i = 0; __i < 2 * __indexlen; ++__i) 1006 if (__c == __names[__i][0] 1007 || __c == __ctype.toupper(__names[__i][0])) 1008 __matches[__nmatches++] = __i; 1009 } 1010 1011 if (__nmatches) 1012 { 1013 ++__beg; 1014 ++__pos; 1015 1016 __matches_lengths 1017 = static_cast<size_t*>(__builtin_alloca(sizeof(size_t) 1018 * __nmatches)); 1019 for (size_t __i = 0; __i < __nmatches; ++__i) 1020 __matches_lengths[__i] 1021 = __traits_type::length(__names[__matches[__i]]); 1022 } 1023 1024 for (; __beg != __end; ++__beg, (void)++__pos) 1025 { 1026 size_t __nskipped = 0; 1027 const char_type __c = *__beg; 1028 for (size_t __i = 0; __i < __nmatches;) 1029 { 1030 const char_type* __name = __names[__matches[__i]]; 1031 if (__pos >= __matches_lengths[__i]) 1032 ++__nskipped, ++__i; 1033 else if (!(__name[__pos] == __c)) 1034 { 1035 --__nmatches; 1036 __matches[__i] = __matches[__nmatches]; 1037 __matches_lengths[__i] = __matches_lengths[__nmatches]; 1038 } 1039 else 1040 ++__i; 1041 } 1042 if (__nskipped == __nmatches) 1043 break; 1044 } 1045 1046 if ((__nmatches == 1 && __matches_lengths[0] == __pos) 1047 || (__nmatches == 2 && (__matches_lengths[0] == __pos 1048 || __matches_lengths[1] == __pos))) 1049 __member = (__matches[0] >= (int)__indexlen 1050 ? __matches[0] - (int)__indexlen : __matches[0]); 1051 else 1052 __err |= ios_base::failbit; 1053 1054 return __beg; 1055 } 1056 1057 template<typename _CharT, typename _InIter> 1058 _InIter 1059 time_get<_CharT, _InIter>:: do_get_time(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm) const1060 do_get_time(iter_type __beg, iter_type __end, ios_base& __io, 1061 ios_base::iostate& __err, tm* __tm) const 1062 { 1063 const locale& __loc = __io._M_getloc(); 1064 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); 1065 const char_type* __times[2]; 1066 __tp._M_time_formats(__times); 1067 __beg = _M_extract_via_format(__beg, __end, __io, __err, 1068 __tm, __times[0]); 1069 if (__beg == __end) 1070 __err |= ios_base::eofbit; 1071 return __beg; 1072 } 1073 1074 template<typename _CharT, typename _InIter> 1075 _InIter 1076 time_get<_CharT, _InIter>:: do_get_date(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm) const1077 do_get_date(iter_type __beg, iter_type __end, ios_base& __io, 1078 ios_base::iostate& __err, tm* __tm) const 1079 { 1080 const locale& __loc = __io._M_getloc(); 1081 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); 1082 const char_type* __dates[2]; 1083 __tp._M_date_formats(__dates); 1084 __beg = _M_extract_via_format(__beg, __end, __io, __err, 1085 __tm, __dates[0]); 1086 if (__beg == __end) 1087 __err |= ios_base::eofbit; 1088 return __beg; 1089 } 1090 1091 template<typename _CharT, typename _InIter> 1092 _InIter 1093 time_get<_CharT, _InIter>:: do_get_weekday(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm) const1094 do_get_weekday(iter_type __beg, iter_type __end, ios_base& __io, 1095 ios_base::iostate& __err, tm* __tm) const 1096 { 1097 const locale& __loc = __io._M_getloc(); 1098 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); 1099 const char_type* __days[14]; 1100 __tp._M_days_abbreviated(__days); 1101 __tp._M_days(__days + 7); 1102 int __tmpwday; 1103 ios_base::iostate __tmperr = ios_base::goodbit; 1104 1105 __beg = _M_extract_wday_or_month(__beg, __end, __tmpwday, __days, 7, 1106 __io, __tmperr); 1107 if (!__tmperr) 1108 __tm->tm_wday = __tmpwday; 1109 else 1110 __err |= ios_base::failbit; 1111 1112 if (__beg == __end) 1113 __err |= ios_base::eofbit; 1114 return __beg; 1115 } 1116 1117 template<typename _CharT, typename _InIter> 1118 _InIter 1119 time_get<_CharT, _InIter>:: do_get_monthname(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm) const1120 do_get_monthname(iter_type __beg, iter_type __end, 1121 ios_base& __io, ios_base::iostate& __err, tm* __tm) const 1122 { 1123 const locale& __loc = __io._M_getloc(); 1124 const __timepunct<_CharT>& __tp = use_facet<__timepunct<_CharT> >(__loc); 1125 const char_type* __months[24]; 1126 __tp._M_months_abbreviated(__months); 1127 __tp._M_months(__months + 12); 1128 int __tmpmon; 1129 ios_base::iostate __tmperr = ios_base::goodbit; 1130 1131 __beg = _M_extract_wday_or_month(__beg, __end, __tmpmon, __months, 12, 1132 __io, __tmperr); 1133 if (!__tmperr) 1134 __tm->tm_mon = __tmpmon; 1135 else 1136 __err |= ios_base::failbit; 1137 1138 if (__beg == __end) 1139 __err |= ios_base::eofbit; 1140 return __beg; 1141 } 1142 1143 template<typename _CharT, typename _InIter> 1144 _InIter 1145 time_get<_CharT, _InIter>:: do_get_year(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm) const1146 do_get_year(iter_type __beg, iter_type __end, ios_base& __io, 1147 ios_base::iostate& __err, tm* __tm) const 1148 { 1149 int __tmpyear; 1150 ios_base::iostate __tmperr = ios_base::goodbit; 1151 1152 __beg = _M_extract_num(__beg, __end, __tmpyear, 0, 9999, 4, 1153 __io, __tmperr); 1154 if (!__tmperr) 1155 __tm->tm_year = __tmpyear < 0 ? __tmpyear + 100 : __tmpyear - 1900; 1156 else 1157 __err |= ios_base::failbit; 1158 1159 if (__beg == __end) 1160 __err |= ios_base::eofbit; 1161 return __beg; 1162 } 1163 1164 #if __cplusplus >= 201103L 1165 template<typename _CharT, typename _InIter> 1166 inline 1167 _InIter 1168 time_get<_CharT, _InIter>:: get(iter_type __s,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm,const char_type * __fmt,const char_type * __fmtend) const1169 get(iter_type __s, iter_type __end, ios_base& __io, 1170 ios_base::iostate& __err, tm* __tm, const char_type* __fmt, 1171 const char_type* __fmtend) const 1172 { 1173 const locale& __loc = __io._M_getloc(); 1174 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); 1175 __err = ios_base::goodbit; 1176 while (__fmt != __fmtend && 1177 __err == ios_base::goodbit) 1178 { 1179 if (__s == __end) 1180 { 1181 __err = ios_base::eofbit | ios_base::failbit; 1182 break; 1183 } 1184 else if (__ctype.narrow(*__fmt, 0) == '%') 1185 { 1186 char __format; 1187 char __mod = 0; 1188 if (++__fmt == __fmtend) 1189 { 1190 __err = ios_base::failbit; 1191 break; 1192 } 1193 const char __c = __ctype.narrow(*__fmt, 0); 1194 if (__c != 'E' && __c != 'O') 1195 __format = __c; 1196 else if (++__fmt != __fmtend) 1197 { 1198 __mod = __c; 1199 __format = __ctype.narrow(*__fmt, 0); 1200 } 1201 else 1202 { 1203 __err = ios_base::failbit; 1204 break; 1205 } 1206 __s = this->do_get(__s, __end, __io, __err, __tm, __format, 1207 __mod); 1208 ++__fmt; 1209 } 1210 else if (__ctype.is(ctype_base::space, *__fmt)) 1211 { 1212 ++__fmt; 1213 while (__fmt != __fmtend && 1214 __ctype.is(ctype_base::space, *__fmt)) 1215 ++__fmt; 1216 1217 while (__s != __end && 1218 __ctype.is(ctype_base::space, *__s)) 1219 ++__s; 1220 } 1221 // TODO real case-insensitive comparison 1222 else if (__ctype.tolower(*__s) == __ctype.tolower(*__fmt) || 1223 __ctype.toupper(*__s) == __ctype.toupper(*__fmt)) 1224 { 1225 ++__s; 1226 ++__fmt; 1227 } 1228 else 1229 { 1230 __err = ios_base::failbit; 1231 break; 1232 } 1233 } 1234 return __s; 1235 } 1236 1237 template<typename _CharT, typename _InIter> 1238 inline 1239 _InIter 1240 time_get<_CharT, _InIter>:: do_get(iter_type __beg,iter_type __end,ios_base & __io,ios_base::iostate & __err,tm * __tm,char __format,char __mod) const1241 do_get(iter_type __beg, iter_type __end, ios_base& __io, 1242 ios_base::iostate& __err, tm* __tm, 1243 char __format, char __mod) const 1244 { 1245 const locale& __loc = __io._M_getloc(); 1246 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); 1247 __err = ios_base::goodbit; 1248 1249 char_type __fmt[4]; 1250 __fmt[0] = __ctype.widen('%'); 1251 if (!__mod) 1252 { 1253 __fmt[1] = __format; 1254 __fmt[2] = char_type(); 1255 } 1256 else 1257 { 1258 __fmt[1] = __mod; 1259 __fmt[2] = __format; 1260 __fmt[3] = char_type(); 1261 } 1262 1263 __beg = _M_extract_via_format(__beg, __end, __io, __err, __tm, __fmt); 1264 if (__beg == __end) 1265 __err |= ios_base::eofbit; 1266 return __beg; 1267 } 1268 1269 #endif // __cplusplus >= 201103L 1270 1271 template<typename _CharT, typename _OutIter> 1272 _OutIter 1273 time_put<_CharT, _OutIter>:: put(iter_type __s,ios_base & __io,char_type __fill,const tm * __tm,const _CharT * __beg,const _CharT * __end) const1274 put(iter_type __s, ios_base& __io, char_type __fill, const tm* __tm, 1275 const _CharT* __beg, const _CharT* __end) const 1276 { 1277 const locale& __loc = __io._M_getloc(); 1278 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); 1279 for (; __beg != __end; ++__beg) 1280 if (__ctype.narrow(*__beg, 0) != '%') 1281 { 1282 *__s = *__beg; 1283 ++__s; 1284 } 1285 else if (++__beg != __end) 1286 { 1287 char __format; 1288 char __mod = 0; 1289 const char __c = __ctype.narrow(*__beg, 0); 1290 if (__c != 'E' && __c != 'O') 1291 __format = __c; 1292 else if (++__beg != __end) 1293 { 1294 __mod = __c; 1295 __format = __ctype.narrow(*__beg, 0); 1296 } 1297 else 1298 break; 1299 __s = this->do_put(__s, __io, __fill, __tm, __format, __mod); 1300 } 1301 else 1302 break; 1303 return __s; 1304 } 1305 1306 template<typename _CharT, typename _OutIter> 1307 _OutIter 1308 time_put<_CharT, _OutIter>:: do_put(iter_type __s,ios_base & __io,char_type,const tm * __tm,char __format,char __mod) const1309 do_put(iter_type __s, ios_base& __io, char_type, const tm* __tm, 1310 char __format, char __mod) const 1311 { 1312 const locale& __loc = __io._M_getloc(); 1313 ctype<_CharT> const& __ctype = use_facet<ctype<_CharT> >(__loc); 1314 __timepunct<_CharT> const& __tp = use_facet<__timepunct<_CharT> >(__loc); 1315 1316 // NB: This size is arbitrary. Should this be a data member, 1317 // initialized at construction? 1318 const size_t __maxlen = 128; 1319 char_type __res[__maxlen]; 1320 1321 // NB: In IEE 1003.1-200x, and perhaps other locale models, it 1322 // is possible that the format character will be longer than one 1323 // character. Possibilities include 'E' or 'O' followed by a 1324 // format character: if __mod is not the default argument, assume 1325 // it's a valid modifier. 1326 char_type __fmt[4]; 1327 __fmt[0] = __ctype.widen('%'); 1328 if (!__mod) 1329 { 1330 __fmt[1] = __format; 1331 __fmt[2] = char_type(); 1332 } 1333 else 1334 { 1335 __fmt[1] = __mod; 1336 __fmt[2] = __format; 1337 __fmt[3] = char_type(); 1338 } 1339 1340 __tp._M_put(__res, __maxlen, __fmt, __tm); 1341 1342 // Write resulting, fully-formatted string to output iterator. 1343 return std::__write(__s, __res, char_traits<char_type>::length(__res)); 1344 } 1345 1346 1347 // Inhibit implicit instantiations for required instantiations, 1348 // which are defined via explicit instantiations elsewhere. 1349 #if _GLIBCXX_EXTERN_TEMPLATE 1350 extern template class moneypunct<char, false>; 1351 extern template class moneypunct<char, true>; 1352 extern template class moneypunct_byname<char, false>; 1353 extern template class moneypunct_byname<char, true>; 1354 extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_get<char>; 1355 extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_put<char>; 1356 extern template class __timepunct<char>; 1357 extern template class time_put<char>; 1358 extern template class time_put_byname<char>; 1359 extern template class time_get<char>; 1360 extern template class time_get_byname<char>; 1361 extern template class messages<char>; 1362 extern template class messages_byname<char>; 1363 1364 extern template 1365 const moneypunct<char, true>& 1366 use_facet<moneypunct<char, true> >(const locale&); 1367 1368 extern template 1369 const moneypunct<char, false>& 1370 use_facet<moneypunct<char, false> >(const locale&); 1371 1372 extern template 1373 const money_put<char>& 1374 use_facet<money_put<char> >(const locale&); 1375 1376 extern template 1377 const money_get<char>& 1378 use_facet<money_get<char> >(const locale&); 1379 1380 extern template 1381 const __timepunct<char>& 1382 use_facet<__timepunct<char> >(const locale&); 1383 1384 extern template 1385 const time_put<char>& 1386 use_facet<time_put<char> >(const locale&); 1387 1388 extern template 1389 const time_get<char>& 1390 use_facet<time_get<char> >(const locale&); 1391 1392 extern template 1393 const messages<char>& 1394 use_facet<messages<char> >(const locale&); 1395 1396 extern template 1397 bool 1398 has_facet<moneypunct<char> >(const locale&); 1399 1400 extern template 1401 bool 1402 has_facet<money_put<char> >(const locale&); 1403 1404 extern template 1405 bool 1406 has_facet<money_get<char> >(const locale&); 1407 1408 extern template 1409 bool 1410 has_facet<__timepunct<char> >(const locale&); 1411 1412 extern template 1413 bool 1414 has_facet<time_put<char> >(const locale&); 1415 1416 extern template 1417 bool 1418 has_facet<time_get<char> >(const locale&); 1419 1420 extern template 1421 bool 1422 has_facet<messages<char> >(const locale&); 1423 1424 #ifdef _GLIBCXX_USE_WCHAR_T 1425 extern template class moneypunct<wchar_t, false>; 1426 extern template class moneypunct<wchar_t, true>; 1427 extern template class moneypunct_byname<wchar_t, false>; 1428 extern template class moneypunct_byname<wchar_t, true>; 1429 extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_get<wchar_t>; 1430 extern template class _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 money_put<wchar_t>; 1431 extern template class __timepunct<wchar_t>; 1432 extern template class time_put<wchar_t>; 1433 extern template class time_put_byname<wchar_t>; 1434 extern template class time_get<wchar_t>; 1435 extern template class time_get_byname<wchar_t>; 1436 extern template class messages<wchar_t>; 1437 extern template class messages_byname<wchar_t>; 1438 1439 extern template 1440 const moneypunct<wchar_t, true>& 1441 use_facet<moneypunct<wchar_t, true> >(const locale&); 1442 1443 extern template 1444 const moneypunct<wchar_t, false>& 1445 use_facet<moneypunct<wchar_t, false> >(const locale&); 1446 1447 extern template 1448 const money_put<wchar_t>& 1449 use_facet<money_put<wchar_t> >(const locale&); 1450 1451 extern template 1452 const money_get<wchar_t>& 1453 use_facet<money_get<wchar_t> >(const locale&); 1454 1455 extern template 1456 const __timepunct<wchar_t>& 1457 use_facet<__timepunct<wchar_t> >(const locale&); 1458 1459 extern template 1460 const time_put<wchar_t>& 1461 use_facet<time_put<wchar_t> >(const locale&); 1462 1463 extern template 1464 const time_get<wchar_t>& 1465 use_facet<time_get<wchar_t> >(const locale&); 1466 1467 extern template 1468 const messages<wchar_t>& 1469 use_facet<messages<wchar_t> >(const locale&); 1470 1471 extern template 1472 bool 1473 has_facet<moneypunct<wchar_t> >(const locale&); 1474 1475 extern template 1476 bool 1477 has_facet<money_put<wchar_t> >(const locale&); 1478 1479 extern template 1480 bool 1481 has_facet<money_get<wchar_t> >(const locale&); 1482 1483 extern template 1484 bool 1485 has_facet<__timepunct<wchar_t> >(const locale&); 1486 1487 extern template 1488 bool 1489 has_facet<time_put<wchar_t> >(const locale&); 1490 1491 extern template 1492 bool 1493 has_facet<time_get<wchar_t> >(const locale&); 1494 1495 extern template 1496 bool 1497 has_facet<messages<wchar_t> >(const locale&); 1498 #endif 1499 #endif 1500 1501 _GLIBCXX_END_NAMESPACE_VERSION 1502 } // namespace std 1503 1504 #endif 1505