1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_LOCALE 11#define _LIBCPP_LOCALE 12 13/* 14 locale synopsis 15 16namespace std 17{ 18 19class locale 20{ 21public: 22 // types: 23 class facet; 24 class id; 25 26 typedef int category; 27 static const category // values assigned here are for exposition only 28 none = 0x000, 29 collate = 0x010, 30 ctype = 0x020, 31 monetary = 0x040, 32 numeric = 0x080, 33 time = 0x100, 34 messages = 0x200, 35 all = collate | ctype | monetary | numeric | time | messages; 36 37 // construct/copy/destroy: 38 locale() noexcept; 39 locale(const locale& other) noexcept; 40 explicit locale(const char* std_name); 41 explicit locale(const string& std_name); 42 locale(const locale& other, const char* std_name, category); 43 locale(const locale& other, const string& std_name, category); 44 template <class Facet> locale(const locale& other, Facet* f); 45 locale(const locale& other, const locale& one, category); 46 47 ~locale(); // not virtual 48 49 const locale& operator=(const locale& other) noexcept; 50 51 template <class Facet> locale combine(const locale& other) const; 52 53 // locale operations: 54 basic_string<char> name() const; 55 bool operator==(const locale& other) const; 56 bool operator!=(const locale& other) const; // removed C++20 57 template <class charT, class Traits, class Allocator> 58 bool operator()(const basic_string<charT,Traits,Allocator>& s1, 59 const basic_string<charT,Traits,Allocator>& s2) const; 60 61 // global locale objects: 62 static locale global(const locale&); 63 static const locale& classic(); 64}; 65 66template <class Facet> const Facet& use_facet(const locale&); 67template <class Facet> bool has_facet(const locale&) noexcept; 68 69// 22.3.3, convenience interfaces: 70template <class charT> bool isspace (charT c, const locale& loc); 71template <class charT> bool isprint (charT c, const locale& loc); 72template <class charT> bool iscntrl (charT c, const locale& loc); 73template <class charT> bool isupper (charT c, const locale& loc); 74template <class charT> bool islower (charT c, const locale& loc); 75template <class charT> bool isalpha (charT c, const locale& loc); 76template <class charT> bool isdigit (charT c, const locale& loc); 77template <class charT> bool ispunct (charT c, const locale& loc); 78template <class charT> bool isxdigit(charT c, const locale& loc); 79template <class charT> bool isalnum (charT c, const locale& loc); 80template <class charT> bool isgraph (charT c, const locale& loc); 81template <class charT> charT toupper(charT c, const locale& loc); 82template <class charT> charT tolower(charT c, const locale& loc); 83 84template<class Codecvt, class Elem = wchar_t, 85 class Wide_alloc = allocator<Elem>, 86 class Byte_alloc = allocator<char>> 87class wstring_convert 88{ 89public: 90 typedef basic_string<char, char_traits<char>, Byte_alloc> byte_string; 91 typedef basic_string<Elem, char_traits<Elem>, Wide_alloc> wide_string; 92 typedef typename Codecvt::state_type state_type; 93 typedef typename wide_string::traits_type::int_type int_type; 94 95 wstring_convert(Codecvt* pcvt = new Codecvt); // before C++14 96 explicit wstring_convert(Codecvt* pcvt = new Codecvt); // before C++20 97 wstring_convert() : wstring_convert(new Codecvt) {} // C++20 98 explicit wstring_convert(Codecvt* pcvt); // C++20 99 100 wstring_convert(Codecvt* pcvt, state_type state); 101 explicit wstring_convert(const byte_string& byte_err, // explicit in C++14 102 const wide_string& wide_err = wide_string()); 103 wstring_convert(const wstring_convert&) = delete; // C++14 104 wstring_convert & operator=(const wstring_convert &) = delete; // C++14 105 ~wstring_convert(); 106 107 wide_string from_bytes(char byte); 108 wide_string from_bytes(const char* ptr); 109 wide_string from_bytes(const byte_string& str); 110 wide_string from_bytes(const char* first, const char* last); 111 112 byte_string to_bytes(Elem wchar); 113 byte_string to_bytes(const Elem* wptr); 114 byte_string to_bytes(const wide_string& wstr); 115 byte_string to_bytes(const Elem* first, const Elem* last); 116 117 size_t converted() const; // noexcept in C++14 118 state_type state() const; 119}; 120 121template <class Codecvt, class Elem = wchar_t, class Tr = char_traits<Elem>> 122class wbuffer_convert 123 : public basic_streambuf<Elem, Tr> 124{ 125public: 126 typedef typename Tr::state_type state_type; 127 128 wbuffer_convert(streambuf* bytebuf = 0, Codecvt* pcvt = new Codecvt, 129 state_type state = state_type()); // before C++14 130 explicit wbuffer_convert(streambuf* bytebuf = nullptr, Codecvt* pcvt = new Codecvt, 131 state_type state = state_type()); // before C++20 132 wbuffer_convert() : wbuffer_convert(nullptr) {} // C++20 133 explicit wbuffer_convert(streambuf* bytebuf, Codecvt* pcvt = new Codecvt, 134 state_type state = state_type()); // C++20 135 136 wbuffer_convert(const wbuffer_convert&) = delete; // C++14 137 wbuffer_convert & operator=(const wbuffer_convert &) = delete; // C++14 138 ~wbuffer_convert(); // C++14 139 140 streambuf* rdbuf() const; 141 streambuf* rdbuf(streambuf* bytebuf); 142 143 state_type state() const; 144}; 145 146// 22.4.1 and 22.4.1.3, ctype: 147class ctype_base; 148template <class charT> class ctype; 149template <> class ctype<char>; // specialization 150template <class charT> class ctype_byname; 151template <> class ctype_byname<char>; // specialization 152 153class codecvt_base; 154template <class internT, class externT, class stateT> class codecvt; 155template <class internT, class externT, class stateT> class codecvt_byname; 156 157// 22.4.2 and 22.4.3, numeric: 158template <class charT, class InputIterator> class num_get; 159template <class charT, class OutputIterator> class num_put; 160template <class charT> class numpunct; 161template <class charT> class numpunct_byname; 162 163// 22.4.4, col lation: 164template <class charT> class collate; 165template <class charT> class collate_byname; 166 167// 22.4.5, date and time: 168class time_base; 169template <class charT, class InputIterator> class time_get; 170template <class charT, class InputIterator> class time_get_byname; 171template <class charT, class OutputIterator> class time_put; 172template <class charT, class OutputIterator> class time_put_byname; 173 174// 22.4.6, money: 175class money_base; 176template <class charT, class InputIterator> class money_get; 177template <class charT, class OutputIterator> class money_put; 178template <class charT, bool Intl> class moneypunct; 179template <class charT, bool Intl> class moneypunct_byname; 180 181// 22.4.7, message retrieval: 182class messages_base; 183template <class charT> class messages; 184template <class charT> class messages_byname; 185 186} // std 187 188*/ 189 190#include <__algorithm/copy.h> 191#include <__algorithm/equal.h> 192#include <__algorithm/find.h> 193#include <__algorithm/max.h> 194#include <__algorithm/reverse.h> 195#include <__algorithm/unwrap_iter.h> 196#include <__assert> // all public C++ headers provide the assertion handler 197#include <__config> 198#include <__iterator/access.h> 199#include <__iterator/back_insert_iterator.h> 200#include <__iterator/istreambuf_iterator.h> 201#include <__iterator/ostreambuf_iterator.h> 202#include <__locale> 203#include <__memory/unique_ptr.h> 204#include <__type_traits/make_unsigned.h> 205#include <cerrno> 206#include <cstdio> 207#include <cstdlib> 208#include <ctime> 209#include <ios> 210#include <limits> 211#include <new> 212#include <streambuf> 213#include <version> 214 215// TODO: Fix __bsd_locale_defaults.h 216// NOLINTBEGIN(libcpp-robust-against-adl) 217 218#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 219// Most unix variants have catopen. These are the specific ones that don't. 220# if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) && !defined(__EMSCRIPTEN__) 221# define _LIBCPP_HAS_CATOPEN 1 222# include <nl_types.h> 223# endif 224#endif 225 226#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 227# include <__locale_dir/locale_base_api/bsd_locale_defaults.h> 228#else 229# include <__locale_dir/locale_base_api/bsd_locale_fallbacks.h> 230#endif 231 232#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 233# pragma GCC system_header 234#endif 235 236_LIBCPP_PUSH_MACROS 237#include <__undef_macros> 238 239 240_LIBCPP_BEGIN_NAMESPACE_STD 241 242#if defined(__APPLE__) || defined(__FreeBSD__) 243# define _LIBCPP_GET_C_LOCALE 0 244#elif defined(__NetBSD__) 245# define _LIBCPP_GET_C_LOCALE LC_C_LOCALE 246#else 247# define _LIBCPP_GET_C_LOCALE __cloc() 248 // Get the C locale object 249 _LIBCPP_EXPORTED_FROM_ABI locale_t __cloc(); 250#define __cloc_defined 251#endif 252 253// __scan_keyword 254// Scans [__b, __e) until a match is found in the basic_strings range 255// [__kb, __ke) or until it can be shown that there is no match in [__kb, __ke). 256// __b will be incremented (visibly), consuming CharT until a match is found 257// or proved to not exist. A keyword may be "", in which will match anything. 258// If one keyword is a prefix of another, and the next CharT in the input 259// might match another keyword, the algorithm will attempt to find the longest 260// matching keyword. If the longer matching keyword ends up not matching, then 261// no keyword match is found. If no keyword match is found, __ke is returned 262// and failbit is set in __err. 263// Else an iterator pointing to the matching keyword is found. If more than 264// one keyword matches, an iterator to the first matching keyword is returned. 265// If on exit __b == __e, eofbit is set in __err. If __case_sensitive is false, 266// __ct is used to force to lower case before comparing characters. 267// Examples: 268// Keywords: "a", "abb" 269// If the input is "a", the first keyword matches and eofbit is set. 270// If the input is "abc", no match is found and "ab" are consumed. 271template <class _InputIterator, class _ForwardIterator, class _Ctype> 272_LIBCPP_HIDE_FROM_ABI 273_ForwardIterator 274__scan_keyword(_InputIterator& __b, _InputIterator __e, 275 _ForwardIterator __kb, _ForwardIterator __ke, 276 const _Ctype& __ct, ios_base::iostate& __err, 277 bool __case_sensitive = true) 278{ 279 typedef typename iterator_traits<_InputIterator>::value_type _CharT; 280 size_t __nkw = static_cast<size_t>(_VSTD::distance(__kb, __ke)); 281 const unsigned char __doesnt_match = '\0'; 282 const unsigned char __might_match = '\1'; 283 const unsigned char __does_match = '\2'; 284 unsigned char __statbuf[100]; 285 unsigned char* __status = __statbuf; 286 unique_ptr<unsigned char, void(*)(void*)> __stat_hold(nullptr, free); 287 if (__nkw > sizeof(__statbuf)) 288 { 289 __status = (unsigned char*)malloc(__nkw); 290 if (__status == nullptr) 291 __throw_bad_alloc(); 292 __stat_hold.reset(__status); 293 } 294 size_t __n_might_match = __nkw; // At this point, any keyword might match 295 size_t __n_does_match = 0; // but none of them definitely do 296 // Initialize all statuses to __might_match, except for "" keywords are __does_match 297 unsigned char* __st = __status; 298 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 299 { 300 if (!__ky->empty()) 301 *__st = __might_match; 302 else 303 { 304 *__st = __does_match; 305 --__n_might_match; 306 ++__n_does_match; 307 } 308 } 309 // While there might be a match, test keywords against the next CharT 310 for (size_t __indx = 0; __b != __e && __n_might_match > 0; ++__indx) 311 { 312 // Peek at the next CharT but don't consume it 313 _CharT __c = *__b; 314 if (!__case_sensitive) 315 __c = __ct.toupper(__c); 316 bool __consume = false; 317 // For each keyword which might match, see if the __indx character is __c 318 // If a match if found, consume __c 319 // If a match is found, and that is the last character in the keyword, 320 // then that keyword matches. 321 // If the keyword doesn't match this character, then change the keyword 322 // to doesn't match 323 __st = __status; 324 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 325 { 326 if (*__st == __might_match) 327 { 328 _CharT __kc = (*__ky)[__indx]; 329 if (!__case_sensitive) 330 __kc = __ct.toupper(__kc); 331 if (__c == __kc) 332 { 333 __consume = true; 334 if (__ky->size() == __indx+1) 335 { 336 *__st = __does_match; 337 --__n_might_match; 338 ++__n_does_match; 339 } 340 } 341 else 342 { 343 *__st = __doesnt_match; 344 --__n_might_match; 345 } 346 } 347 } 348 // consume if we matched a character 349 if (__consume) 350 { 351 ++__b; 352 // If we consumed a character and there might be a matched keyword that 353 // was marked matched on a previous iteration, then such keywords 354 // which are now marked as not matching. 355 if (__n_might_match + __n_does_match > 1) 356 { 357 __st = __status; 358 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 359 { 360 if (*__st == __does_match && __ky->size() != __indx+1) 361 { 362 *__st = __doesnt_match; 363 --__n_does_match; 364 } 365 } 366 } 367 } 368 } 369 // We've exited the loop because we hit eof and/or we have no more "might matches". 370 if (__b == __e) 371 __err |= ios_base::eofbit; 372 // Return the first matching result 373 for (__st = __status; __kb != __ke; ++__kb, (void) ++__st) 374 if (*__st == __does_match) 375 break; 376 if (__kb == __ke) 377 __err |= ios_base::failbit; 378 return __kb; 379} 380 381struct _LIBCPP_EXPORTED_FROM_ABI __num_get_base 382{ 383 static const int __num_get_buf_sz = 40; 384 385 static int __get_base(ios_base&); 386 static const char __src[33]; 387}; 388 389_LIBCPP_EXPORTED_FROM_ABI void __check_grouping(const string& __grouping, unsigned* __g, unsigned* __g_end, 390 ios_base::iostate& __err); 391 392template <class _CharT> 393struct __num_get 394 : protected __num_get_base 395{ 396 static string __stage2_float_prep(ios_base& __iob, _CharT* __atoms, _CharT& __decimal_point, 397 _CharT& __thousands_sep); 398 399 static int __stage2_float_loop(_CharT __ct, bool& __in_units, char& __exp, 400 char* __a, char*& __a_end, 401 _CharT __decimal_point, _CharT __thousands_sep, 402 const string& __grouping, unsigned* __g, 403 unsigned*& __g_end, unsigned& __dc, _CharT* __atoms); 404#ifndef _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 405 static string __stage2_int_prep(ios_base& __iob, _CharT* __atoms, _CharT& __thousands_sep); 406 static int __stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 407 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 408 unsigned* __g, unsigned*& __g_end, _CharT* __atoms); 409 410#else 411 static string __stage2_int_prep(ios_base& __iob, _CharT& __thousands_sep) 412 { 413 locale __loc = __iob.getloc(); 414 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); 415 __thousands_sep = __np.thousands_sep(); 416 return __np.grouping(); 417 } 418 419 const _CharT* __do_widen(ios_base& __iob, _CharT* __atoms) const 420 { 421 return __do_widen_p(__iob, __atoms); 422 } 423 424 425 static int __stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 426 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 427 unsigned* __g, unsigned*& __g_end, const _CharT* __atoms); 428private: 429 template<typename _Tp> 430 const _Tp* __do_widen_p(ios_base& __iob, _Tp* __atoms) const 431 { 432 locale __loc = __iob.getloc(); 433 use_facet<ctype<_Tp> >(__loc).widen(__src, __src + 26, __atoms); 434 return __atoms; 435 } 436 437 const char* __do_widen_p(ios_base& __iob, char* __atoms) const 438 { 439 (void)__iob; 440 (void)__atoms; 441 return __src; 442 } 443#endif 444}; 445 446#ifndef _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 447template <class _CharT> 448string 449__num_get<_CharT>::__stage2_int_prep(ios_base& __iob, _CharT* __atoms, _CharT& __thousands_sep) 450{ 451 locale __loc = __iob.getloc(); 452 std::use_facet<ctype<_CharT> >(__loc).widen(__src, __src + 26, __atoms); 453 const numpunct<_CharT>& __np = std::use_facet<numpunct<_CharT> >(__loc); 454 __thousands_sep = __np.thousands_sep(); 455 return __np.grouping(); 456} 457#endif 458 459template <class _CharT> 460string 461__num_get<_CharT>::__stage2_float_prep(ios_base& __iob, _CharT* __atoms, _CharT& __decimal_point, 462 _CharT& __thousands_sep) 463{ 464 locale __loc = __iob.getloc(); 465 std::use_facet<ctype<_CharT> >(__loc).widen(__src, __src + 32, __atoms); 466 const numpunct<_CharT>& __np = std::use_facet<numpunct<_CharT> >(__loc); 467 __decimal_point = __np.decimal_point(); 468 __thousands_sep = __np.thousands_sep(); 469 return __np.grouping(); 470} 471 472template <class _CharT> 473int 474#ifndef _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 475__num_get<_CharT>::__stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 476 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 477 unsigned* __g, unsigned*& __g_end, _CharT* __atoms) 478#else 479__num_get<_CharT>::__stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 480 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 481 unsigned* __g, unsigned*& __g_end, const _CharT* __atoms) 482 483#endif 484{ 485 if (__a_end == __a && (__ct == __atoms[24] || __ct == __atoms[25])) 486 { 487 *__a_end++ = __ct == __atoms[24] ? '+' : '-'; 488 __dc = 0; 489 return 0; 490 } 491 if (__grouping.size() != 0 && __ct == __thousands_sep) 492 { 493 if (__g_end-__g < __num_get_buf_sz) 494 { 495 *__g_end++ = __dc; 496 __dc = 0; 497 } 498 return 0; 499 } 500 ptrdiff_t __f = std::find(__atoms, __atoms + 26, __ct) - __atoms; 501 if (__f >= 24) 502 return -1; 503 switch (__base) 504 { 505 case 8: 506 case 10: 507 if (__f >= __base) 508 return -1; 509 break; 510 case 16: 511 if (__f < 22) 512 break; 513 if (__a_end != __a && __a_end - __a <= 2 && __a_end[-1] == '0') 514 { 515 __dc = 0; 516 *__a_end++ = __src[__f]; 517 return 0; 518 } 519 return -1; 520 } 521 *__a_end++ = __src[__f]; 522 ++__dc; 523 return 0; 524} 525 526template <class _CharT> 527int 528__num_get<_CharT>::__stage2_float_loop(_CharT __ct, bool& __in_units, char& __exp, char* __a, char*& __a_end, 529 _CharT __decimal_point, _CharT __thousands_sep, const string& __grouping, 530 unsigned* __g, unsigned*& __g_end, unsigned& __dc, _CharT* __atoms) 531{ 532 if (__ct == __decimal_point) 533 { 534 if (!__in_units) 535 return -1; 536 __in_units = false; 537 *__a_end++ = '.'; 538 if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz) 539 *__g_end++ = __dc; 540 return 0; 541 } 542 if (__ct == __thousands_sep && __grouping.size() != 0) 543 { 544 if (!__in_units) 545 return -1; 546 if (__g_end-__g < __num_get_buf_sz) 547 { 548 *__g_end++ = __dc; 549 __dc = 0; 550 } 551 return 0; 552 } 553 ptrdiff_t __f = std::find(__atoms, __atoms + 32, __ct) - __atoms; 554 if (__f >= 32) 555 return -1; 556 char __x = __src[__f]; 557 if (__x == '-' || __x == '+') 558 { 559 if (__a_end == __a || (std::toupper(__a_end[-1]) == std::toupper(__exp))) 560 { 561 *__a_end++ = __x; 562 return 0; 563 } 564 return -1; 565 } 566 if (__x == 'x' || __x == 'X') 567 __exp = 'P'; 568 else if (std::toupper(__x) == __exp) 569 { 570 __exp = std::tolower(__exp); 571 if (__in_units) 572 { 573 __in_units = false; 574 if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz) 575 *__g_end++ = __dc; 576 } 577 } 578 *__a_end++ = __x; 579 if (__f >= 22) 580 return 0; 581 ++__dc; 582 return 0; 583} 584 585extern template struct _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __num_get<char>; 586#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 587extern template struct _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __num_get<wchar_t>; 588#endif 589 590template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 591class _LIBCPP_TEMPLATE_VIS num_get 592 : public locale::facet, 593 private __num_get<_CharT> 594{ 595public: 596 typedef _CharT char_type; 597 typedef _InputIterator iter_type; 598 599 _LIBCPP_INLINE_VISIBILITY 600 explicit num_get(size_t __refs = 0) 601 : locale::facet(__refs) {} 602 603 _LIBCPP_INLINE_VISIBILITY 604 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 605 ios_base::iostate& __err, bool& __v) const 606 { 607 return do_get(__b, __e, __iob, __err, __v); 608 } 609 610 _LIBCPP_INLINE_VISIBILITY 611 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 612 ios_base::iostate& __err, long& __v) const 613 { 614 return do_get(__b, __e, __iob, __err, __v); 615 } 616 617 _LIBCPP_INLINE_VISIBILITY 618 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 619 ios_base::iostate& __err, long long& __v) const 620 { 621 return do_get(__b, __e, __iob, __err, __v); 622 } 623 624 _LIBCPP_INLINE_VISIBILITY 625 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 626 ios_base::iostate& __err, unsigned short& __v) const 627 { 628 return do_get(__b, __e, __iob, __err, __v); 629 } 630 631 _LIBCPP_INLINE_VISIBILITY 632 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 633 ios_base::iostate& __err, unsigned int& __v) const 634 { 635 return do_get(__b, __e, __iob, __err, __v); 636 } 637 638 _LIBCPP_INLINE_VISIBILITY 639 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 640 ios_base::iostate& __err, unsigned long& __v) const 641 { 642 return do_get(__b, __e, __iob, __err, __v); 643 } 644 645 _LIBCPP_INLINE_VISIBILITY 646 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 647 ios_base::iostate& __err, unsigned long long& __v) const 648 { 649 return do_get(__b, __e, __iob, __err, __v); 650 } 651 652 _LIBCPP_INLINE_VISIBILITY 653 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 654 ios_base::iostate& __err, float& __v) const 655 { 656 return do_get(__b, __e, __iob, __err, __v); 657 } 658 659 _LIBCPP_INLINE_VISIBILITY 660 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 661 ios_base::iostate& __err, double& __v) const 662 { 663 return do_get(__b, __e, __iob, __err, __v); 664 } 665 666 _LIBCPP_INLINE_VISIBILITY 667 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 668 ios_base::iostate& __err, long double& __v) const 669 { 670 return do_get(__b, __e, __iob, __err, __v); 671 } 672 673 _LIBCPP_INLINE_VISIBILITY 674 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 675 ios_base::iostate& __err, void*& __v) const 676 { 677 return do_get(__b, __e, __iob, __err, __v); 678 } 679 680 static locale::id id; 681 682protected: 683 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~num_get() override {} 684 685 template <class _Fp> 686 _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 687 iter_type __do_get_floating_point 688 (iter_type __b, iter_type __e, ios_base& __iob, 689 ios_base::iostate& __err, _Fp& __v) const; 690 691 template <class _Signed> 692 _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 693 iter_type __do_get_signed 694 (iter_type __b, iter_type __e, ios_base& __iob, 695 ios_base::iostate& __err, _Signed& __v) const; 696 697 template <class _Unsigned> 698 _LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS 699 iter_type __do_get_unsigned 700 (iter_type __b, iter_type __e, ios_base& __iob, 701 ios_base::iostate& __err, _Unsigned& __v) const; 702 703 704 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 705 ios_base::iostate& __err, bool& __v) const; 706 707 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 708 ios_base::iostate& __err, long& __v) const 709 { return this->__do_get_signed ( __b, __e, __iob, __err, __v ); } 710 711 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 712 ios_base::iostate& __err, long long& __v) const 713 { return this->__do_get_signed ( __b, __e, __iob, __err, __v ); } 714 715 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 716 ios_base::iostate& __err, unsigned short& __v) const 717 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 718 719 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 720 ios_base::iostate& __err, unsigned int& __v) const 721 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 722 723 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 724 ios_base::iostate& __err, unsigned long& __v) const 725 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 726 727 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 728 ios_base::iostate& __err, unsigned long long& __v) const 729 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 730 731 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 732 ios_base::iostate& __err, float& __v) const 733 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 734 735 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 736 ios_base::iostate& __err, double& __v) const 737 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 738 739 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 740 ios_base::iostate& __err, long double& __v) const 741 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 742 743 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 744 ios_base::iostate& __err, void*& __v) const; 745}; 746 747template <class _CharT, class _InputIterator> 748locale::id 749num_get<_CharT, _InputIterator>::id; 750 751template <class _Tp> 752_LIBCPP_HIDE_FROM_ABI _Tp 753__num_get_signed_integral(const char* __a, const char* __a_end, 754 ios_base::iostate& __err, int __base) 755{ 756 if (__a != __a_end) 757 { 758 __libcpp_remove_reference_t<decltype(errno)> __save_errno = errno; 759 errno = 0; 760 char *__p2; 761 long long __ll = strtoll_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE); 762 __libcpp_remove_reference_t<decltype(errno)> __current_errno = errno; 763 if (__current_errno == 0) 764 errno = __save_errno; 765 if (__p2 != __a_end) 766 { 767 __err = ios_base::failbit; 768 return 0; 769 } 770 else if (__current_errno == ERANGE || 771 __ll < numeric_limits<_Tp>::min() || 772 numeric_limits<_Tp>::max() < __ll) 773 { 774 __err = ios_base::failbit; 775 if (__ll > 0) 776 return numeric_limits<_Tp>::max(); 777 else 778 return numeric_limits<_Tp>::min(); 779 } 780 return static_cast<_Tp>(__ll); 781 } 782 __err = ios_base::failbit; 783 return 0; 784} 785 786template <class _Tp> 787_LIBCPP_HIDE_FROM_ABI _Tp 788__num_get_unsigned_integral(const char* __a, const char* __a_end, 789 ios_base::iostate& __err, int __base) 790{ 791 if (__a != __a_end) 792 { 793 const bool __negate = *__a == '-'; 794 if (__negate && ++__a == __a_end) { 795 __err = ios_base::failbit; 796 return 0; 797 } 798 __libcpp_remove_reference_t<decltype(errno)> __save_errno = errno; 799 errno = 0; 800 char *__p2; 801 unsigned long long __ll = strtoull_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE); 802 __libcpp_remove_reference_t<decltype(errno)> __current_errno = errno; 803 if (__current_errno == 0) 804 errno = __save_errno; 805 if (__p2 != __a_end) 806 { 807 __err = ios_base::failbit; 808 return 0; 809 } 810 else if (__current_errno == ERANGE || numeric_limits<_Tp>::max() < __ll) 811 { 812 __err = ios_base::failbit; 813 return numeric_limits<_Tp>::max(); 814 } 815 _Tp __res = static_cast<_Tp>(__ll); 816 if (__negate) __res = -__res; 817 return __res; 818 } 819 __err = ios_base::failbit; 820 return 0; 821} 822 823template <class _Tp> 824_LIBCPP_INLINE_VISIBILITY 825_Tp __do_strtod(const char* __a, char** __p2); 826 827template <> 828inline _LIBCPP_INLINE_VISIBILITY 829float __do_strtod<float>(const char* __a, char** __p2) { 830 return strtof_l(__a, __p2, _LIBCPP_GET_C_LOCALE); 831} 832 833template <> 834inline _LIBCPP_INLINE_VISIBILITY 835double __do_strtod<double>(const char* __a, char** __p2) { 836 return strtod_l(__a, __p2, _LIBCPP_GET_C_LOCALE); 837} 838 839template <> 840inline _LIBCPP_INLINE_VISIBILITY 841long double __do_strtod<long double>(const char* __a, char** __p2) { 842 return strtold_l(__a, __p2, _LIBCPP_GET_C_LOCALE); 843} 844 845template <class _Tp> 846_LIBCPP_HIDE_FROM_ABI 847_Tp 848__num_get_float(const char* __a, const char* __a_end, ios_base::iostate& __err) 849{ 850 if (__a != __a_end) 851 { 852 __libcpp_remove_reference_t<decltype(errno)> __save_errno = errno; 853 errno = 0; 854 char *__p2; 855 _Tp __ld = std::__do_strtod<_Tp>(__a, &__p2); 856 __libcpp_remove_reference_t<decltype(errno)> __current_errno = errno; 857 if (__current_errno == 0) 858 errno = __save_errno; 859 if (__p2 != __a_end) 860 { 861 __err = ios_base::failbit; 862 return 0; 863 } 864 else if (__current_errno == ERANGE) 865 __err = ios_base::failbit; 866 return __ld; 867 } 868 __err = ios_base::failbit; 869 return 0; 870} 871 872template <class _CharT, class _InputIterator> 873_InputIterator 874num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 875 ios_base& __iob, 876 ios_base::iostate& __err, 877 bool& __v) const 878{ 879 if ((__iob.flags() & ios_base::boolalpha) == 0) 880 { 881 long __lv = -1; 882 __b = do_get(__b, __e, __iob, __err, __lv); 883 switch (__lv) 884 { 885 case 0: 886 __v = false; 887 break; 888 case 1: 889 __v = true; 890 break; 891 default: 892 __v = true; 893 __err = ios_base::failbit; 894 break; 895 } 896 return __b; 897 } 898 const ctype<_CharT>& __ct = std::use_facet<ctype<_CharT> >(__iob.getloc()); 899 const numpunct<_CharT>& __np = std::use_facet<numpunct<_CharT> >(__iob.getloc()); 900 typedef typename numpunct<_CharT>::string_type string_type; 901 const string_type __names[2] = {__np.truename(), __np.falsename()}; 902 const string_type* __i = _VSTD::__scan_keyword(__b, __e, __names, __names+2, 903 __ct, __err); 904 __v = __i == __names; 905 return __b; 906} 907 908// signed 909 910template <class _CharT, class _InputIterator> 911template <class _Signed> 912_InputIterator 913num_get<_CharT, _InputIterator>::__do_get_signed(iter_type __b, iter_type __e, 914 ios_base& __iob, 915 ios_base::iostate& __err, 916 _Signed& __v) const 917{ 918 // Stage 1 919 int __base = this->__get_base(__iob); 920 // Stage 2 921 char_type __thousands_sep; 922 const int __atoms_size = 26; 923#ifdef _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 924 char_type __atoms1[__atoms_size]; 925 const char_type *__atoms = this->__do_widen(__iob, __atoms1); 926 string __grouping = this->__stage2_int_prep(__iob, __thousands_sep); 927#else 928 char_type __atoms[__atoms_size]; 929 string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep); 930#endif 931 string __buf; 932 __buf.resize(__buf.capacity()); 933 char* __a = &__buf[0]; 934 char* __a_end = __a; 935 unsigned __g[__num_get_base::__num_get_buf_sz]; 936 unsigned* __g_end = __g; 937 unsigned __dc = 0; 938 for (; __b != __e; ++__b) 939 { 940 if (__a_end == __a + __buf.size()) 941 { 942 size_t __tmp = __buf.size(); 943 __buf.resize(2*__buf.size()); 944 __buf.resize(__buf.capacity()); 945 __a = &__buf[0]; 946 __a_end = __a + __tmp; 947 } 948 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 949 __thousands_sep, __grouping, __g, __g_end, 950 __atoms)) 951 break; 952 } 953 if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz) 954 *__g_end++ = __dc; 955 // Stage 3 956 __v = std::__num_get_signed_integral<_Signed>(__a, __a_end, __err, __base); 957 // Digit grouping checked 958 __check_grouping(__grouping, __g, __g_end, __err); 959 // EOF checked 960 if (__b == __e) 961 __err |= ios_base::eofbit; 962 return __b; 963} 964 965// unsigned 966 967template <class _CharT, class _InputIterator> 968template <class _Unsigned> 969_InputIterator 970num_get<_CharT, _InputIterator>::__do_get_unsigned(iter_type __b, iter_type __e, 971 ios_base& __iob, 972 ios_base::iostate& __err, 973 _Unsigned& __v) const 974{ 975 // Stage 1 976 int __base = this->__get_base(__iob); 977 // Stage 2 978 char_type __thousands_sep; 979 const int __atoms_size = 26; 980#ifdef _LIBCPP_ABI_OPTIMIZED_LOCALE_NUM_GET 981 char_type __atoms1[__atoms_size]; 982 const char_type *__atoms = this->__do_widen(__iob, __atoms1); 983 string __grouping = this->__stage2_int_prep(__iob, __thousands_sep); 984#else 985 char_type __atoms[__atoms_size]; 986 string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep); 987#endif 988 string __buf; 989 __buf.resize(__buf.capacity()); 990 char* __a = &__buf[0]; 991 char* __a_end = __a; 992 unsigned __g[__num_get_base::__num_get_buf_sz]; 993 unsigned* __g_end = __g; 994 unsigned __dc = 0; 995 for (; __b != __e; ++__b) 996 { 997 if (__a_end == __a + __buf.size()) 998 { 999 size_t __tmp = __buf.size(); 1000 __buf.resize(2*__buf.size()); 1001 __buf.resize(__buf.capacity()); 1002 __a = &__buf[0]; 1003 __a_end = __a + __tmp; 1004 } 1005 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 1006 __thousands_sep, __grouping, __g, __g_end, 1007 __atoms)) 1008 break; 1009 } 1010 if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz) 1011 *__g_end++ = __dc; 1012 // Stage 3 1013 __v = std::__num_get_unsigned_integral<_Unsigned>(__a, __a_end, __err, __base); 1014 // Digit grouping checked 1015 __check_grouping(__grouping, __g, __g_end, __err); 1016 // EOF checked 1017 if (__b == __e) 1018 __err |= ios_base::eofbit; 1019 return __b; 1020} 1021 1022// floating point 1023 1024template <class _CharT, class _InputIterator> 1025template <class _Fp> 1026_InputIterator 1027num_get<_CharT, _InputIterator>::__do_get_floating_point(iter_type __b, iter_type __e, 1028 ios_base& __iob, 1029 ios_base::iostate& __err, 1030 _Fp& __v) const 1031{ 1032 // Stage 1, nothing to do 1033 // Stage 2 1034 char_type __atoms[32]; 1035 char_type __decimal_point; 1036 char_type __thousands_sep; 1037 string __grouping = this->__stage2_float_prep(__iob, __atoms, 1038 __decimal_point, 1039 __thousands_sep); 1040 string __buf; 1041 __buf.resize(__buf.capacity()); 1042 char* __a = &__buf[0]; 1043 char* __a_end = __a; 1044 unsigned __g[__num_get_base::__num_get_buf_sz]; 1045 unsigned* __g_end = __g; 1046 unsigned __dc = 0; 1047 bool __in_units = true; 1048 char __exp = 'E'; 1049 for (; __b != __e; ++__b) 1050 { 1051 if (__a_end == __a + __buf.size()) 1052 { 1053 size_t __tmp = __buf.size(); 1054 __buf.resize(2*__buf.size()); 1055 __buf.resize(__buf.capacity()); 1056 __a = &__buf[0]; 1057 __a_end = __a + __tmp; 1058 } 1059 if (this->__stage2_float_loop(*__b, __in_units, __exp, __a, __a_end, 1060 __decimal_point, __thousands_sep, 1061 __grouping, __g, __g_end, 1062 __dc, __atoms)) 1063 break; 1064 } 1065 if (__grouping.size() != 0 && __in_units && __g_end-__g < __num_get_base::__num_get_buf_sz) 1066 *__g_end++ = __dc; 1067 // Stage 3 1068 __v = std::__num_get_float<_Fp>(__a, __a_end, __err); 1069 // Digit grouping checked 1070 __check_grouping(__grouping, __g, __g_end, __err); 1071 // EOF checked 1072 if (__b == __e) 1073 __err |= ios_base::eofbit; 1074 return __b; 1075} 1076 1077template <class _CharT, class _InputIterator> 1078_InputIterator 1079num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 1080 ios_base& __iob, 1081 ios_base::iostate& __err, 1082 void*& __v) const 1083{ 1084 // Stage 1 1085 int __base = 16; 1086 // Stage 2 1087 char_type __atoms[26]; 1088 char_type __thousands_sep = 0; 1089 string __grouping; 1090 std::use_facet<ctype<_CharT> >(__iob.getloc()).widen(__num_get_base::__src, 1091 __num_get_base::__src + 26, __atoms); 1092 string __buf; 1093 __buf.resize(__buf.capacity()); 1094 char* __a = &__buf[0]; 1095 char* __a_end = __a; 1096 unsigned __g[__num_get_base::__num_get_buf_sz]; 1097 unsigned* __g_end = __g; 1098 unsigned __dc = 0; 1099 for (; __b != __e; ++__b) 1100 { 1101 if (__a_end == __a + __buf.size()) 1102 { 1103 size_t __tmp = __buf.size(); 1104 __buf.resize(2*__buf.size()); 1105 __buf.resize(__buf.capacity()); 1106 __a = &__buf[0]; 1107 __a_end = __a + __tmp; 1108 } 1109 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 1110 __thousands_sep, __grouping, 1111 __g, __g_end, __atoms)) 1112 break; 1113 } 1114 // Stage 3 1115 __buf.resize(__a_end - __a); 1116 if (__libcpp_sscanf_l(__buf.c_str(), _LIBCPP_GET_C_LOCALE, "%p", &__v) != 1) 1117 __err = ios_base::failbit; 1118 // EOF checked 1119 if (__b == __e) 1120 __err |= ios_base::eofbit; 1121 return __b; 1122} 1123 1124extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_get<char>; 1125#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1126extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_get<wchar_t>; 1127#endif 1128 1129struct _LIBCPP_EXPORTED_FROM_ABI __num_put_base 1130{ 1131protected: 1132 static void __format_int(char* __fmt, const char* __len, bool __signd, 1133 ios_base::fmtflags __flags); 1134 static bool __format_float(char* __fmt, const char* __len, 1135 ios_base::fmtflags __flags); 1136 static char* __identify_padding(char* __nb, char* __ne, 1137 const ios_base& __iob); 1138}; 1139 1140template <class _CharT> 1141struct __num_put 1142 : protected __num_put_base 1143{ 1144 static void __widen_and_group_int(char* __nb, char* __np, char* __ne, 1145 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1146 const locale& __loc); 1147 static void __widen_and_group_float(char* __nb, char* __np, char* __ne, 1148 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1149 const locale& __loc); 1150}; 1151 1152template <class _CharT> 1153void 1154__num_put<_CharT>::__widen_and_group_int(char* __nb, char* __np, char* __ne, 1155 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1156 const locale& __loc) 1157{ 1158 const ctype<_CharT>& __ct = std::use_facet<ctype<_CharT> > (__loc); 1159 const numpunct<_CharT>& __npt = std::use_facet<numpunct<_CharT> >(__loc); 1160 string __grouping = __npt.grouping(); 1161 if (__grouping.empty()) 1162 { 1163 __ct.widen(__nb, __ne, __ob); 1164 __oe = __ob + (__ne - __nb); 1165 } 1166 else 1167 { 1168 __oe = __ob; 1169 char* __nf = __nb; 1170 if (*__nf == '-' || *__nf == '+') 1171 *__oe++ = __ct.widen(*__nf++); 1172 if (__ne - __nf >= 2 && __nf[0] == '0' && (__nf[1] == 'x' || 1173 __nf[1] == 'X')) 1174 { 1175 *__oe++ = __ct.widen(*__nf++); 1176 *__oe++ = __ct.widen(*__nf++); 1177 } 1178 std::reverse(__nf, __ne); 1179 _CharT __thousands_sep = __npt.thousands_sep(); 1180 unsigned __dc = 0; 1181 unsigned __dg = 0; 1182 for (char* __p = __nf; __p < __ne; ++__p) 1183 { 1184 if (static_cast<unsigned>(__grouping[__dg]) > 0 && 1185 __dc == static_cast<unsigned>(__grouping[__dg])) 1186 { 1187 *__oe++ = __thousands_sep; 1188 __dc = 0; 1189 if (__dg < __grouping.size()-1) 1190 ++__dg; 1191 } 1192 *__oe++ = __ct.widen(*__p); 1193 ++__dc; 1194 } 1195 std::reverse(__ob + (__nf - __nb), __oe); 1196 } 1197 if (__np == __ne) 1198 __op = __oe; 1199 else 1200 __op = __ob + (__np - __nb); 1201} 1202 1203template <class _CharT> 1204void 1205__num_put<_CharT>::__widen_and_group_float(char* __nb, char* __np, char* __ne, 1206 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1207 const locale& __loc) 1208{ 1209 const ctype<_CharT>& __ct = std::use_facet<ctype<_CharT> > (__loc); 1210 const numpunct<_CharT>& __npt = std::use_facet<numpunct<_CharT> >(__loc); 1211 string __grouping = __npt.grouping(); 1212 __oe = __ob; 1213 char* __nf = __nb; 1214 if (*__nf == '-' || *__nf == '+') 1215 *__oe++ = __ct.widen(*__nf++); 1216 char* __ns; 1217 if (__ne - __nf >= 2 && __nf[0] == '0' && (__nf[1] == 'x' || 1218 __nf[1] == 'X')) 1219 { 1220 *__oe++ = __ct.widen(*__nf++); 1221 *__oe++ = __ct.widen(*__nf++); 1222 for (__ns = __nf; __ns < __ne; ++__ns) 1223 if (!isxdigit_l(*__ns, _LIBCPP_GET_C_LOCALE)) 1224 break; 1225 } 1226 else 1227 { 1228 for (__ns = __nf; __ns < __ne; ++__ns) 1229 if (!isdigit_l(*__ns, _LIBCPP_GET_C_LOCALE)) 1230 break; 1231 } 1232 if (__grouping.empty()) 1233 { 1234 __ct.widen(__nf, __ns, __oe); 1235 __oe += __ns - __nf; 1236 } 1237 else 1238 { 1239 std::reverse(__nf, __ns); 1240 _CharT __thousands_sep = __npt.thousands_sep(); 1241 unsigned __dc = 0; 1242 unsigned __dg = 0; 1243 for (char* __p = __nf; __p < __ns; ++__p) 1244 { 1245 if (__grouping[__dg] > 0 && __dc == static_cast<unsigned>(__grouping[__dg])) 1246 { 1247 *__oe++ = __thousands_sep; 1248 __dc = 0; 1249 if (__dg < __grouping.size()-1) 1250 ++__dg; 1251 } 1252 *__oe++ = __ct.widen(*__p); 1253 ++__dc; 1254 } 1255 std::reverse(__ob + (__nf - __nb), __oe); 1256 } 1257 for (__nf = __ns; __nf < __ne; ++__nf) 1258 { 1259 if (*__nf == '.') 1260 { 1261 *__oe++ = __npt.decimal_point(); 1262 ++__nf; 1263 break; 1264 } 1265 else 1266 *__oe++ = __ct.widen(*__nf); 1267 } 1268 __ct.widen(__nf, __ne, __oe); 1269 __oe += __ne - __nf; 1270 if (__np == __ne) 1271 __op = __oe; 1272 else 1273 __op = __ob + (__np - __nb); 1274} 1275 1276extern template struct _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __num_put<char>; 1277#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1278extern template struct _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __num_put<wchar_t>; 1279#endif 1280 1281template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 1282class _LIBCPP_TEMPLATE_VIS num_put 1283 : public locale::facet, 1284 private __num_put<_CharT> 1285{ 1286public: 1287 typedef _CharT char_type; 1288 typedef _OutputIterator iter_type; 1289 1290 _LIBCPP_INLINE_VISIBILITY 1291 explicit num_put(size_t __refs = 0) 1292 : locale::facet(__refs) {} 1293 1294 _LIBCPP_INLINE_VISIBILITY 1295 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1296 bool __v) const 1297 { 1298 return do_put(__s, __iob, __fl, __v); 1299 } 1300 1301 _LIBCPP_INLINE_VISIBILITY 1302 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1303 long __v) const 1304 { 1305 return do_put(__s, __iob, __fl, __v); 1306 } 1307 1308 _LIBCPP_INLINE_VISIBILITY 1309 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1310 long long __v) const 1311 { 1312 return do_put(__s, __iob, __fl, __v); 1313 } 1314 1315 _LIBCPP_INLINE_VISIBILITY 1316 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1317 unsigned long __v) const 1318 { 1319 return do_put(__s, __iob, __fl, __v); 1320 } 1321 1322 _LIBCPP_INLINE_VISIBILITY 1323 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1324 unsigned long long __v) const 1325 { 1326 return do_put(__s, __iob, __fl, __v); 1327 } 1328 1329 _LIBCPP_INLINE_VISIBILITY 1330 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1331 double __v) const 1332 { 1333 return do_put(__s, __iob, __fl, __v); 1334 } 1335 1336 _LIBCPP_INLINE_VISIBILITY 1337 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1338 long double __v) const 1339 { 1340 return do_put(__s, __iob, __fl, __v); 1341 } 1342 1343 _LIBCPP_INLINE_VISIBILITY 1344 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1345 const void* __v) const 1346 { 1347 return do_put(__s, __iob, __fl, __v); 1348 } 1349 1350 static locale::id id; 1351 1352protected: 1353 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~num_put() override {} 1354 1355 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1356 bool __v) const; 1357 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1358 long __v) const; 1359 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1360 long long __v) const; 1361 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1362 unsigned long) const; 1363 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1364 unsigned long long) const; 1365 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1366 double __v) const; 1367 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1368 long double __v) const; 1369 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1370 const void* __v) const; 1371 1372 template <class _Integral> 1373 _LIBCPP_HIDE_FROM_ABI inline 1374 _OutputIterator __do_put_integral(iter_type __s, ios_base& __iob, 1375 char_type __fl, _Integral __v, 1376 char const* __len) const; 1377 1378 template <class _Float> 1379 _LIBCPP_HIDE_FROM_ABI inline 1380 _OutputIterator __do_put_floating_point(iter_type __s, ios_base& __iob, 1381 char_type __fl, _Float __v, 1382 char const* __len) const; 1383}; 1384 1385template <class _CharT, class _OutputIterator> 1386locale::id 1387num_put<_CharT, _OutputIterator>::id; 1388 1389template <class _CharT, class _OutputIterator> 1390_LIBCPP_HIDE_FROM_ABI 1391_OutputIterator 1392__pad_and_output(_OutputIterator __s, 1393 const _CharT* __ob, const _CharT* __op, const _CharT* __oe, 1394 ios_base& __iob, _CharT __fl) 1395{ 1396 streamsize __sz = __oe - __ob; 1397 streamsize __ns = __iob.width(); 1398 if (__ns > __sz) 1399 __ns -= __sz; 1400 else 1401 __ns = 0; 1402 for (;__ob < __op; ++__ob, ++__s) 1403 *__s = *__ob; 1404 for (; __ns; --__ns, ++__s) 1405 *__s = __fl; 1406 for (; __ob < __oe; ++__ob, ++__s) 1407 *__s = *__ob; 1408 __iob.width(0); 1409 return __s; 1410} 1411 1412template <class _CharT, class _Traits> 1413_LIBCPP_HIDE_FROM_ABI 1414ostreambuf_iterator<_CharT, _Traits> 1415__pad_and_output(ostreambuf_iterator<_CharT, _Traits> __s, 1416 const _CharT* __ob, const _CharT* __op, const _CharT* __oe, 1417 ios_base& __iob, _CharT __fl) 1418{ 1419 if (__s.__sbuf_ == nullptr) 1420 return __s; 1421 streamsize __sz = __oe - __ob; 1422 streamsize __ns = __iob.width(); 1423 if (__ns > __sz) 1424 __ns -= __sz; 1425 else 1426 __ns = 0; 1427 streamsize __np = __op - __ob; 1428 if (__np > 0) 1429 { 1430 if (__s.__sbuf_->sputn(__ob, __np) != __np) 1431 { 1432 __s.__sbuf_ = nullptr; 1433 return __s; 1434 } 1435 } 1436 if (__ns > 0) 1437 { 1438 basic_string<_CharT, _Traits> __sp(__ns, __fl); 1439 if (__s.__sbuf_->sputn(__sp.data(), __ns) != __ns) 1440 { 1441 __s.__sbuf_ = nullptr; 1442 return __s; 1443 } 1444 } 1445 __np = __oe - __op; 1446 if (__np > 0) 1447 { 1448 if (__s.__sbuf_->sputn(__op, __np) != __np) 1449 { 1450 __s.__sbuf_ = nullptr; 1451 return __s; 1452 } 1453 } 1454 __iob.width(0); 1455 return __s; 1456} 1457 1458template <class _CharT, class _OutputIterator> 1459_OutputIterator 1460num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1461 char_type __fl, bool __v) const 1462{ 1463 if ((__iob.flags() & ios_base::boolalpha) == 0) 1464 return do_put(__s, __iob, __fl, (unsigned long)__v); 1465 const numpunct<char_type>& __np = std::use_facet<numpunct<char_type> >(__iob.getloc()); 1466 typedef typename numpunct<char_type>::string_type string_type; 1467 string_type __nm = __v ? __np.truename() : __np.falsename(); 1468 for (typename string_type::iterator __i = __nm.begin(); __i != __nm.end(); ++__i, ++__s) 1469 *__s = *__i; 1470 return __s; 1471} 1472 1473template <class _CharT, class _OutputIterator> 1474template <class _Integral> 1475_LIBCPP_HIDE_FROM_ABI inline 1476_OutputIterator 1477num_put<_CharT, _OutputIterator>::__do_put_integral(iter_type __s, ios_base& __iob, 1478 char_type __fl, _Integral __v, 1479 char const* __len) const 1480{ 1481 // Stage 1 - Get number in narrow char 1482 char __fmt[8] = {'%', 0}; 1483 this->__format_int(__fmt+1, __len, is_signed<_Integral>::value, __iob.flags()); 1484 // Worst case is octal, with showbase enabled. Note that octal is always 1485 // printed as an unsigned value. 1486 using _Unsigned = typename make_unsigned<_Integral>::type; 1487 _LIBCPP_CONSTEXPR const unsigned __nbuf 1488 = (numeric_limits<_Unsigned>::digits / 3) // 1 char per 3 bits 1489 + ((numeric_limits<_Unsigned>::digits % 3) != 0) // round up 1490 + 2; // base prefix + terminating null character 1491 char __nar[__nbuf]; 1492 _LIBCPP_DIAGNOSTIC_PUSH 1493 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1494 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1495 int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1496 _LIBCPP_DIAGNOSTIC_POP 1497 char* __ne = __nar + __nc; 1498 char* __np = this->__identify_padding(__nar, __ne, __iob); 1499 // Stage 2 - Widen __nar while adding thousands separators 1500 char_type __o[2*(__nbuf-1) - 1]; 1501 char_type* __op; // pad here 1502 char_type* __oe; // end of output 1503 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1504 // [__o, __oe) contains thousands_sep'd wide number 1505 // Stage 3 & 4 1506 return std::__pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1507} 1508 1509template <class _CharT, class _OutputIterator> 1510_OutputIterator 1511num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1512 char_type __fl, long __v) const 1513{ 1514 return this->__do_put_integral(__s, __iob, __fl, __v, "l"); 1515} 1516 1517template <class _CharT, class _OutputIterator> 1518_OutputIterator 1519num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1520 char_type __fl, long long __v) const 1521{ 1522 return this->__do_put_integral(__s, __iob, __fl, __v, "ll"); 1523} 1524 1525template <class _CharT, class _OutputIterator> 1526_OutputIterator 1527num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1528 char_type __fl, unsigned long __v) const 1529{ 1530 return this->__do_put_integral(__s, __iob, __fl, __v, "l"); 1531} 1532 1533template <class _CharT, class _OutputIterator> 1534_OutputIterator 1535num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1536 char_type __fl, unsigned long long __v) const 1537{ 1538 return this->__do_put_integral(__s, __iob, __fl, __v, "ll"); 1539} 1540 1541template <class _CharT, class _OutputIterator> 1542template <class _Float> 1543_LIBCPP_HIDE_FROM_ABI inline 1544_OutputIterator 1545num_put<_CharT, _OutputIterator>::__do_put_floating_point(iter_type __s, ios_base& __iob, 1546 char_type __fl, _Float __v, 1547 char const* __len) const 1548{ 1549 // Stage 1 - Get number in narrow char 1550 char __fmt[8] = {'%', 0}; 1551 bool __specify_precision = this->__format_float(__fmt+1, __len, __iob.flags()); 1552 const unsigned __nbuf = 30; 1553 char __nar[__nbuf]; 1554 char* __nb = __nar; 1555 int __nc; 1556 _LIBCPP_DIAGNOSTIC_PUSH 1557 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1558 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1559 if (__specify_precision) 1560 __nc = __libcpp_snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, 1561 (int)__iob.precision(), __v); 1562 else 1563 __nc = __libcpp_snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1564 unique_ptr<char, void(*)(void*)> __nbh(nullptr, free); 1565 if (__nc > static_cast<int>(__nbuf-1)) 1566 { 1567 if (__specify_precision) 1568 __nc = __libcpp_asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, (int)__iob.precision(), __v); 1569 else 1570 __nc = __libcpp_asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1571 if (__nc == -1) 1572 __throw_bad_alloc(); 1573 __nbh.reset(__nb); 1574 } 1575 _LIBCPP_DIAGNOSTIC_POP 1576 char* __ne = __nb + __nc; 1577 char* __np = this->__identify_padding(__nb, __ne, __iob); 1578 // Stage 2 - Widen __nar while adding thousands separators 1579 char_type __o[2*(__nbuf-1) - 1]; 1580 char_type* __ob = __o; 1581 unique_ptr<char_type, void(*)(void*)> __obh(0, free); 1582 if (__nb != __nar) 1583 { 1584 __ob = (char_type*)malloc(2*static_cast<size_t>(__nc)*sizeof(char_type)); 1585 if (__ob == 0) 1586 __throw_bad_alloc(); 1587 __obh.reset(__ob); 1588 } 1589 char_type* __op; // pad here 1590 char_type* __oe; // end of output 1591 this->__widen_and_group_float(__nb, __np, __ne, __ob, __op, __oe, __iob.getloc()); 1592 // [__o, __oe) contains thousands_sep'd wide number 1593 // Stage 3 & 4 1594 __s = std::__pad_and_output(__s, __ob, __op, __oe, __iob, __fl); 1595 return __s; 1596} 1597 1598template <class _CharT, class _OutputIterator> 1599_OutputIterator 1600num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1601 char_type __fl, double __v) const 1602{ 1603 return this->__do_put_floating_point(__s, __iob, __fl, __v, ""); 1604} 1605 1606template <class _CharT, class _OutputIterator> 1607_OutputIterator 1608num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1609 char_type __fl, long double __v) const 1610{ 1611 return this->__do_put_floating_point(__s, __iob, __fl, __v, "L"); 1612} 1613 1614template <class _CharT, class _OutputIterator> 1615_OutputIterator 1616num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1617 char_type __fl, const void* __v) const 1618{ 1619 // Stage 1 - Get pointer in narrow char 1620 const unsigned __nbuf = 20; 1621 char __nar[__nbuf]; 1622 int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, "%p", __v); 1623 char* __ne = __nar + __nc; 1624 char* __np = this->__identify_padding(__nar, __ne, __iob); 1625 // Stage 2 - Widen __nar 1626 char_type __o[2*(__nbuf-1) - 1]; 1627 char_type* __op; // pad here 1628 char_type* __oe; // end of output 1629 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 1630 __ct.widen(__nar, __ne, __o); 1631 __oe = __o + (__ne - __nar); 1632 if (__np == __ne) 1633 __op = __oe; 1634 else 1635 __op = __o + (__np - __nar); 1636 // [__o, __oe) contains wide number 1637 // Stage 3 & 4 1638 return std::__pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1639} 1640 1641extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_put<char>; 1642#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1643extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_put<wchar_t>; 1644#endif 1645 1646template <class _CharT, class _InputIterator> 1647_LIBCPP_HIDE_FROM_ABI 1648int 1649__get_up_to_n_digits(_InputIterator& __b, _InputIterator __e, 1650 ios_base::iostate& __err, const ctype<_CharT>& __ct, int __n) 1651{ 1652 // Precondition: __n >= 1 1653 if (__b == __e) 1654 { 1655 __err |= ios_base::eofbit | ios_base::failbit; 1656 return 0; 1657 } 1658 // get first digit 1659 _CharT __c = *__b; 1660 if (!__ct.is(ctype_base::digit, __c)) 1661 { 1662 __err |= ios_base::failbit; 1663 return 0; 1664 } 1665 int __r = __ct.narrow(__c, 0) - '0'; 1666 for (++__b, (void) --__n; __b != __e && __n > 0; ++__b, (void) --__n) 1667 { 1668 // get next digit 1669 __c = *__b; 1670 if (!__ct.is(ctype_base::digit, __c)) 1671 return __r; 1672 __r = __r * 10 + __ct.narrow(__c, 0) - '0'; 1673 } 1674 if (__b == __e) 1675 __err |= ios_base::eofbit; 1676 return __r; 1677} 1678 1679class _LIBCPP_EXPORTED_FROM_ABI time_base 1680{ 1681public: 1682 enum dateorder {no_order, dmy, mdy, ymd, ydm}; 1683}; 1684 1685template <class _CharT> 1686class _LIBCPP_TEMPLATE_VIS __time_get_c_storage 1687{ 1688protected: 1689 typedef basic_string<_CharT> string_type; 1690 1691 virtual const string_type* __weeks() const; 1692 virtual const string_type* __months() const; 1693 virtual const string_type* __am_pm() const; 1694 virtual const string_type& __c() const; 1695 virtual const string_type& __r() const; 1696 virtual const string_type& __x() const; 1697 virtual const string_type& __X() const; 1698 1699 _LIBCPP_INLINE_VISIBILITY 1700 ~__time_get_c_storage() {} 1701}; 1702 1703template <> _LIBCPP_EXPORTED_FROM_ABI const string* __time_get_c_storage<char>::__weeks() const; 1704template <> _LIBCPP_EXPORTED_FROM_ABI const string* __time_get_c_storage<char>::__months() const; 1705template <> _LIBCPP_EXPORTED_FROM_ABI const string* __time_get_c_storage<char>::__am_pm() const; 1706template <> _LIBCPP_EXPORTED_FROM_ABI const string& __time_get_c_storage<char>::__c() const; 1707template <> _LIBCPP_EXPORTED_FROM_ABI const string& __time_get_c_storage<char>::__r() const; 1708template <> _LIBCPP_EXPORTED_FROM_ABI const string& __time_get_c_storage<char>::__x() const; 1709template <> _LIBCPP_EXPORTED_FROM_ABI const string& __time_get_c_storage<char>::__X() const; 1710 1711#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1712template <> _LIBCPP_EXPORTED_FROM_ABI const wstring* __time_get_c_storage<wchar_t>::__weeks() const; 1713template <> _LIBCPP_EXPORTED_FROM_ABI const wstring* __time_get_c_storage<wchar_t>::__months() const; 1714template <> _LIBCPP_EXPORTED_FROM_ABI const wstring* __time_get_c_storage<wchar_t>::__am_pm() const; 1715template <> _LIBCPP_EXPORTED_FROM_ABI const wstring& __time_get_c_storage<wchar_t>::__c() const; 1716template <> _LIBCPP_EXPORTED_FROM_ABI const wstring& __time_get_c_storage<wchar_t>::__r() const; 1717template <> _LIBCPP_EXPORTED_FROM_ABI const wstring& __time_get_c_storage<wchar_t>::__x() const; 1718template <> _LIBCPP_EXPORTED_FROM_ABI const wstring& __time_get_c_storage<wchar_t>::__X() const; 1719#endif 1720 1721template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 1722class _LIBCPP_TEMPLATE_VIS time_get 1723 : public locale::facet, 1724 public time_base, 1725 private __time_get_c_storage<_CharT> 1726{ 1727public: 1728 typedef _CharT char_type; 1729 typedef _InputIterator iter_type; 1730 typedef time_base::dateorder dateorder; 1731 typedef basic_string<char_type> string_type; 1732 1733 _LIBCPP_INLINE_VISIBILITY 1734 explicit time_get(size_t __refs = 0) 1735 : locale::facet(__refs) {} 1736 1737 _LIBCPP_INLINE_VISIBILITY 1738 dateorder date_order() const 1739 { 1740 return this->do_date_order(); 1741 } 1742 1743 _LIBCPP_INLINE_VISIBILITY 1744 iter_type get_time(iter_type __b, iter_type __e, ios_base& __iob, 1745 ios_base::iostate& __err, tm* __tm) const 1746 { 1747 return do_get_time(__b, __e, __iob, __err, __tm); 1748 } 1749 1750 _LIBCPP_INLINE_VISIBILITY 1751 iter_type get_date(iter_type __b, iter_type __e, ios_base& __iob, 1752 ios_base::iostate& __err, tm* __tm) const 1753 { 1754 return do_get_date(__b, __e, __iob, __err, __tm); 1755 } 1756 1757 _LIBCPP_INLINE_VISIBILITY 1758 iter_type get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1759 ios_base::iostate& __err, tm* __tm) const 1760 { 1761 return do_get_weekday(__b, __e, __iob, __err, __tm); 1762 } 1763 1764 _LIBCPP_INLINE_VISIBILITY 1765 iter_type get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1766 ios_base::iostate& __err, tm* __tm) const 1767 { 1768 return do_get_monthname(__b, __e, __iob, __err, __tm); 1769 } 1770 1771 _LIBCPP_INLINE_VISIBILITY 1772 iter_type get_year(iter_type __b, iter_type __e, ios_base& __iob, 1773 ios_base::iostate& __err, tm* __tm) const 1774 { 1775 return do_get_year(__b, __e, __iob, __err, __tm); 1776 } 1777 1778 _LIBCPP_INLINE_VISIBILITY 1779 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1780 ios_base::iostate& __err, tm *__tm, 1781 char __fmt, char __mod = 0) const 1782 { 1783 return do_get(__b, __e, __iob, __err, __tm, __fmt, __mod); 1784 } 1785 1786 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1787 ios_base::iostate& __err, tm* __tm, 1788 const char_type* __fmtb, const char_type* __fmte) const; 1789 1790 static locale::id id; 1791 1792protected: 1793 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_get() override {} 1794 1795 virtual dateorder do_date_order() const; 1796 virtual iter_type do_get_time(iter_type __b, iter_type __e, ios_base& __iob, 1797 ios_base::iostate& __err, tm* __tm) const; 1798 virtual iter_type do_get_date(iter_type __b, iter_type __e, ios_base& __iob, 1799 ios_base::iostate& __err, tm* __tm) const; 1800 virtual iter_type do_get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1801 ios_base::iostate& __err, tm* __tm) const; 1802 virtual iter_type do_get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1803 ios_base::iostate& __err, tm* __tm) const; 1804 virtual iter_type do_get_year(iter_type __b, iter_type __e, ios_base& __iob, 1805 ios_base::iostate& __err, tm* __tm) const; 1806 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 1807 ios_base::iostate& __err, tm* __tm, 1808 char __fmt, char __mod) const; 1809private: 1810 void __get_white_space(iter_type& __b, iter_type __e, 1811 ios_base::iostate& __err, const ctype<char_type>& __ct) const; 1812 void __get_percent(iter_type& __b, iter_type __e, ios_base::iostate& __err, 1813 const ctype<char_type>& __ct) const; 1814 1815 void __get_weekdayname(int& __m, 1816 iter_type& __b, iter_type __e, 1817 ios_base::iostate& __err, 1818 const ctype<char_type>& __ct) const; 1819 void __get_monthname(int& __m, 1820 iter_type& __b, iter_type __e, 1821 ios_base::iostate& __err, 1822 const ctype<char_type>& __ct) const; 1823 void __get_day(int& __d, 1824 iter_type& __b, iter_type __e, 1825 ios_base::iostate& __err, 1826 const ctype<char_type>& __ct) const; 1827 void __get_month(int& __m, 1828 iter_type& __b, iter_type __e, 1829 ios_base::iostate& __err, 1830 const ctype<char_type>& __ct) const; 1831 void __get_year(int& __y, 1832 iter_type& __b, iter_type __e, 1833 ios_base::iostate& __err, 1834 const ctype<char_type>& __ct) const; 1835 void __get_year4(int& __y, 1836 iter_type& __b, iter_type __e, 1837 ios_base::iostate& __err, 1838 const ctype<char_type>& __ct) const; 1839 void __get_hour(int& __d, 1840 iter_type& __b, iter_type __e, 1841 ios_base::iostate& __err, 1842 const ctype<char_type>& __ct) const; 1843 void __get_12_hour(int& __h, 1844 iter_type& __b, iter_type __e, 1845 ios_base::iostate& __err, 1846 const ctype<char_type>& __ct) const; 1847 void __get_am_pm(int& __h, 1848 iter_type& __b, iter_type __e, 1849 ios_base::iostate& __err, 1850 const ctype<char_type>& __ct) const; 1851 void __get_minute(int& __m, 1852 iter_type& __b, iter_type __e, 1853 ios_base::iostate& __err, 1854 const ctype<char_type>& __ct) const; 1855 void __get_second(int& __s, 1856 iter_type& __b, iter_type __e, 1857 ios_base::iostate& __err, 1858 const ctype<char_type>& __ct) const; 1859 void __get_weekday(int& __w, 1860 iter_type& __b, iter_type __e, 1861 ios_base::iostate& __err, 1862 const ctype<char_type>& __ct) const; 1863 void __get_day_year_num(int& __w, 1864 iter_type& __b, iter_type __e, 1865 ios_base::iostate& __err, 1866 const ctype<char_type>& __ct) const; 1867}; 1868 1869template <class _CharT, class _InputIterator> 1870locale::id 1871time_get<_CharT, _InputIterator>::id; 1872 1873// time_get primitives 1874 1875template <class _CharT, class _InputIterator> 1876void 1877time_get<_CharT, _InputIterator>::__get_weekdayname(int& __w, 1878 iter_type& __b, iter_type __e, 1879 ios_base::iostate& __err, 1880 const ctype<char_type>& __ct) const 1881{ 1882 // Note: ignoring case comes from the POSIX strptime spec 1883 const string_type* __wk = this->__weeks(); 1884 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __wk, __wk+14, __ct, __err, false) - __wk; 1885 if (__i < 14) 1886 __w = __i % 7; 1887} 1888 1889template <class _CharT, class _InputIterator> 1890void 1891time_get<_CharT, _InputIterator>::__get_monthname(int& __m, 1892 iter_type& __b, iter_type __e, 1893 ios_base::iostate& __err, 1894 const ctype<char_type>& __ct) const 1895{ 1896 // Note: ignoring case comes from the POSIX strptime spec 1897 const string_type* __month = this->__months(); 1898 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __month, __month+24, __ct, __err, false) - __month; 1899 if (__i < 24) 1900 __m = __i % 12; 1901} 1902 1903template <class _CharT, class _InputIterator> 1904void 1905time_get<_CharT, _InputIterator>::__get_day(int& __d, 1906 iter_type& __b, iter_type __e, 1907 ios_base::iostate& __err, 1908 const ctype<char_type>& __ct) const 1909{ 1910 int __t = _VSTD::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1911 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 31) 1912 __d = __t; 1913 else 1914 __err |= ios_base::failbit; 1915} 1916 1917template <class _CharT, class _InputIterator> 1918void 1919time_get<_CharT, _InputIterator>::__get_month(int& __m, 1920 iter_type& __b, iter_type __e, 1921 ios_base::iostate& __err, 1922 const ctype<char_type>& __ct) const 1923{ 1924 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2) - 1; 1925 if (!(__err & ios_base::failbit) && 0 <= __t && __t <= 11) 1926 __m = __t; 1927 else 1928 __err |= ios_base::failbit; 1929} 1930 1931template <class _CharT, class _InputIterator> 1932void 1933time_get<_CharT, _InputIterator>::__get_year(int& __y, 1934 iter_type& __b, iter_type __e, 1935 ios_base::iostate& __err, 1936 const ctype<char_type>& __ct) const 1937{ 1938 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 4); 1939 if (!(__err & ios_base::failbit)) 1940 { 1941 if (__t < 69) 1942 __t += 2000; 1943 else if (69 <= __t && __t <= 99) 1944 __t += 1900; 1945 __y = __t - 1900; 1946 } 1947} 1948 1949template <class _CharT, class _InputIterator> 1950void 1951time_get<_CharT, _InputIterator>::__get_year4(int& __y, 1952 iter_type& __b, iter_type __e, 1953 ios_base::iostate& __err, 1954 const ctype<char_type>& __ct) const 1955{ 1956 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 4); 1957 if (!(__err & ios_base::failbit)) 1958 __y = __t - 1900; 1959} 1960 1961template <class _CharT, class _InputIterator> 1962void 1963time_get<_CharT, _InputIterator>::__get_hour(int& __h, 1964 iter_type& __b, iter_type __e, 1965 ios_base::iostate& __err, 1966 const ctype<char_type>& __ct) const 1967{ 1968 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1969 if (!(__err & ios_base::failbit) && __t <= 23) 1970 __h = __t; 1971 else 1972 __err |= ios_base::failbit; 1973} 1974 1975template <class _CharT, class _InputIterator> 1976void 1977time_get<_CharT, _InputIterator>::__get_12_hour(int& __h, 1978 iter_type& __b, iter_type __e, 1979 ios_base::iostate& __err, 1980 const ctype<char_type>& __ct) const 1981{ 1982 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1983 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 12) 1984 __h = __t; 1985 else 1986 __err |= ios_base::failbit; 1987} 1988 1989template <class _CharT, class _InputIterator> 1990void 1991time_get<_CharT, _InputIterator>::__get_minute(int& __m, 1992 iter_type& __b, iter_type __e, 1993 ios_base::iostate& __err, 1994 const ctype<char_type>& __ct) const 1995{ 1996 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1997 if (!(__err & ios_base::failbit) && __t <= 59) 1998 __m = __t; 1999 else 2000 __err |= ios_base::failbit; 2001} 2002 2003template <class _CharT, class _InputIterator> 2004void 2005time_get<_CharT, _InputIterator>::__get_second(int& __s, 2006 iter_type& __b, iter_type __e, 2007 ios_base::iostate& __err, 2008 const ctype<char_type>& __ct) const 2009{ 2010 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 2011 if (!(__err & ios_base::failbit) && __t <= 60) 2012 __s = __t; 2013 else 2014 __err |= ios_base::failbit; 2015} 2016 2017template <class _CharT, class _InputIterator> 2018void 2019time_get<_CharT, _InputIterator>::__get_weekday(int& __w, 2020 iter_type& __b, iter_type __e, 2021 ios_base::iostate& __err, 2022 const ctype<char_type>& __ct) const 2023{ 2024 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 1); 2025 if (!(__err & ios_base::failbit) && __t <= 6) 2026 __w = __t; 2027 else 2028 __err |= ios_base::failbit; 2029} 2030 2031template <class _CharT, class _InputIterator> 2032void 2033time_get<_CharT, _InputIterator>::__get_day_year_num(int& __d, 2034 iter_type& __b, iter_type __e, 2035 ios_base::iostate& __err, 2036 const ctype<char_type>& __ct) const 2037{ 2038 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 3); 2039 if (!(__err & ios_base::failbit) && __t <= 365) 2040 __d = __t; 2041 else 2042 __err |= ios_base::failbit; 2043} 2044 2045template <class _CharT, class _InputIterator> 2046void 2047time_get<_CharT, _InputIterator>::__get_white_space(iter_type& __b, iter_type __e, 2048 ios_base::iostate& __err, 2049 const ctype<char_type>& __ct) const 2050{ 2051 for (; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2052 ; 2053 if (__b == __e) 2054 __err |= ios_base::eofbit; 2055} 2056 2057template <class _CharT, class _InputIterator> 2058void 2059time_get<_CharT, _InputIterator>::__get_am_pm(int& __h, 2060 iter_type& __b, iter_type __e, 2061 ios_base::iostate& __err, 2062 const ctype<char_type>& __ct) const 2063{ 2064 const string_type* __ap = this->__am_pm(); 2065 if (__ap[0].size() + __ap[1].size() == 0) 2066 { 2067 __err |= ios_base::failbit; 2068 return; 2069 } 2070 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __ap, __ap+2, __ct, __err, false) - __ap; 2071 if (__i == 0 && __h == 12) 2072 __h = 0; 2073 else if (__i == 1 && __h < 12) 2074 __h += 12; 2075} 2076 2077template <class _CharT, class _InputIterator> 2078void 2079time_get<_CharT, _InputIterator>::__get_percent(iter_type& __b, iter_type __e, 2080 ios_base::iostate& __err, 2081 const ctype<char_type>& __ct) const 2082{ 2083 if (__b == __e) 2084 { 2085 __err |= ios_base::eofbit | ios_base::failbit; 2086 return; 2087 } 2088 if (__ct.narrow(*__b, 0) != '%') 2089 __err |= ios_base::failbit; 2090 else if(++__b == __e) 2091 __err |= ios_base::eofbit; 2092} 2093 2094// time_get end primitives 2095 2096template <class _CharT, class _InputIterator> 2097_InputIterator 2098time_get<_CharT, _InputIterator>::get(iter_type __b, iter_type __e, 2099 ios_base& __iob, 2100 ios_base::iostate& __err, tm* __tm, 2101 const char_type* __fmtb, const char_type* __fmte) const 2102{ 2103 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2104 __err = ios_base::goodbit; 2105 while (__fmtb != __fmte && __err == ios_base::goodbit) 2106 { 2107 if (__b == __e) 2108 { 2109 __err = ios_base::failbit; 2110 break; 2111 } 2112 if (__ct.narrow(*__fmtb, 0) == '%') 2113 { 2114 if (++__fmtb == __fmte) 2115 { 2116 __err = ios_base::failbit; 2117 break; 2118 } 2119 char __cmd = __ct.narrow(*__fmtb, 0); 2120 char __opt = '\0'; 2121 if (__cmd == 'E' || __cmd == '0') 2122 { 2123 if (++__fmtb == __fmte) 2124 { 2125 __err = ios_base::failbit; 2126 break; 2127 } 2128 __opt = __cmd; 2129 __cmd = __ct.narrow(*__fmtb, 0); 2130 } 2131 __b = do_get(__b, __e, __iob, __err, __tm, __cmd, __opt); 2132 ++__fmtb; 2133 } 2134 else if (__ct.is(ctype_base::space, *__fmtb)) 2135 { 2136 for (++__fmtb; __fmtb != __fmte && __ct.is(ctype_base::space, *__fmtb); ++__fmtb) 2137 ; 2138 for ( ; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2139 ; 2140 } 2141 else if (__ct.toupper(*__b) == __ct.toupper(*__fmtb)) 2142 { 2143 ++__b; 2144 ++__fmtb; 2145 } 2146 else 2147 __err = ios_base::failbit; 2148 } 2149 if (__b == __e) 2150 __err |= ios_base::eofbit; 2151 return __b; 2152} 2153 2154template <class _CharT, class _InputIterator> 2155typename time_get<_CharT, _InputIterator>::dateorder 2156time_get<_CharT, _InputIterator>::do_date_order() const 2157{ 2158 return mdy; 2159} 2160 2161template <class _CharT, class _InputIterator> 2162_InputIterator 2163time_get<_CharT, _InputIterator>::do_get_time(iter_type __b, iter_type __e, 2164 ios_base& __iob, 2165 ios_base::iostate& __err, 2166 tm* __tm) const 2167{ 2168 const char_type __fmt[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2169 return get(__b, __e, __iob, __err, __tm, __fmt, __fmt + sizeof(__fmt)/sizeof(__fmt[0])); 2170} 2171 2172template <class _CharT, class _InputIterator> 2173_InputIterator 2174time_get<_CharT, _InputIterator>::do_get_date(iter_type __b, iter_type __e, 2175 ios_base& __iob, 2176 ios_base::iostate& __err, 2177 tm* __tm) const 2178{ 2179 const string_type& __fmt = this->__x(); 2180 return get(__b, __e, __iob, __err, __tm, __fmt.data(), __fmt.data() + __fmt.size()); 2181} 2182 2183template <class _CharT, class _InputIterator> 2184_InputIterator 2185time_get<_CharT, _InputIterator>::do_get_weekday(iter_type __b, iter_type __e, 2186 ios_base& __iob, 2187 ios_base::iostate& __err, 2188 tm* __tm) const 2189{ 2190 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2191 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2192 return __b; 2193} 2194 2195template <class _CharT, class _InputIterator> 2196_InputIterator 2197time_get<_CharT, _InputIterator>::do_get_monthname(iter_type __b, iter_type __e, 2198 ios_base& __iob, 2199 ios_base::iostate& __err, 2200 tm* __tm) const 2201{ 2202 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2203 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2204 return __b; 2205} 2206 2207template <class _CharT, class _InputIterator> 2208_InputIterator 2209time_get<_CharT, _InputIterator>::do_get_year(iter_type __b, iter_type __e, 2210 ios_base& __iob, 2211 ios_base::iostate& __err, 2212 tm* __tm) const 2213{ 2214 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2215 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2216 return __b; 2217} 2218 2219template <class _CharT, class _InputIterator> 2220_InputIterator 2221time_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 2222 ios_base& __iob, 2223 ios_base::iostate& __err, tm* __tm, 2224 char __fmt, char) const 2225{ 2226 __err = ios_base::goodbit; 2227 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2228 switch (__fmt) 2229 { 2230 case 'a': 2231 case 'A': 2232 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2233 break; 2234 case 'b': 2235 case 'B': 2236 case 'h': 2237 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2238 break; 2239 case 'c': 2240 { 2241 const string_type& __fm = this->__c(); 2242 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2243 } 2244 break; 2245 case 'd': 2246 case 'e': 2247 __get_day(__tm->tm_mday, __b, __e, __err, __ct); 2248 break; 2249 case 'D': 2250 { 2251 const char_type __fm[] = {'%', 'm', '/', '%', 'd', '/', '%', 'y'}; 2252 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2253 } 2254 break; 2255 case 'F': 2256 { 2257 const char_type __fm[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd'}; 2258 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2259 } 2260 break; 2261 case 'H': 2262 __get_hour(__tm->tm_hour, __b, __e, __err, __ct); 2263 break; 2264 case 'I': 2265 __get_12_hour(__tm->tm_hour, __b, __e, __err, __ct); 2266 break; 2267 case 'j': 2268 __get_day_year_num(__tm->tm_yday, __b, __e, __err, __ct); 2269 break; 2270 case 'm': 2271 __get_month(__tm->tm_mon, __b, __e, __err, __ct); 2272 break; 2273 case 'M': 2274 __get_minute(__tm->tm_min, __b, __e, __err, __ct); 2275 break; 2276 case 'n': 2277 case 't': 2278 __get_white_space(__b, __e, __err, __ct); 2279 break; 2280 case 'p': 2281 __get_am_pm(__tm->tm_hour, __b, __e, __err, __ct); 2282 break; 2283 case 'r': 2284 { 2285 const char_type __fm[] = {'%', 'I', ':', '%', 'M', ':', '%', 'S', ' ', '%', 'p'}; 2286 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2287 } 2288 break; 2289 case 'R': 2290 { 2291 const char_type __fm[] = {'%', 'H', ':', '%', 'M'}; 2292 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2293 } 2294 break; 2295 case 'S': 2296 __get_second(__tm->tm_sec, __b, __e, __err, __ct); 2297 break; 2298 case 'T': 2299 { 2300 const char_type __fm[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2301 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2302 } 2303 break; 2304 case 'w': 2305 __get_weekday(__tm->tm_wday, __b, __e, __err, __ct); 2306 break; 2307 case 'x': 2308 return do_get_date(__b, __e, __iob, __err, __tm); 2309 case 'X': 2310 { 2311 const string_type& __fm = this->__X(); 2312 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2313 } 2314 break; 2315 case 'y': 2316 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2317 break; 2318 case 'Y': 2319 __get_year4(__tm->tm_year, __b, __e, __err, __ct); 2320 break; 2321 case '%': 2322 __get_percent(__b, __e, __err, __ct); 2323 break; 2324 default: 2325 __err |= ios_base::failbit; 2326 } 2327 return __b; 2328} 2329 2330extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get<char>; 2331#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2332extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get<wchar_t>; 2333#endif 2334 2335class _LIBCPP_EXPORTED_FROM_ABI __time_get 2336{ 2337protected: 2338 locale_t __loc_; 2339 2340 __time_get(const char* __nm); 2341 __time_get(const string& __nm); 2342 ~__time_get(); 2343}; 2344 2345template <class _CharT> 2346class _LIBCPP_TEMPLATE_VIS __time_get_storage 2347 : public __time_get 2348{ 2349protected: 2350 typedef basic_string<_CharT> string_type; 2351 2352 string_type __weeks_[14]; 2353 string_type __months_[24]; 2354 string_type __am_pm_[2]; 2355 string_type __c_; 2356 string_type __r_; 2357 string_type __x_; 2358 string_type __X_; 2359 2360 explicit __time_get_storage(const char* __nm); 2361 explicit __time_get_storage(const string& __nm); 2362 2363 _LIBCPP_INLINE_VISIBILITY ~__time_get_storage() {} 2364 2365 time_base::dateorder __do_date_order() const; 2366 2367private: 2368 void init(const ctype<_CharT>&); 2369 string_type __analyze(char __fmt, const ctype<_CharT>&); 2370}; 2371 2372#define _LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(_CharT) \ 2373template <> _LIBCPP_EXPORTED_FROM_ABI time_base::dateorder __time_get_storage<_CharT>::__do_date_order() const; \ 2374template <> _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::__time_get_storage(const char*); \ 2375template <> _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::__time_get_storage(const string&); \ 2376template <> _LIBCPP_EXPORTED_FROM_ABI void __time_get_storage<_CharT>::init(const ctype<_CharT>&); \ 2377template <> _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::string_type __time_get_storage<_CharT>::__analyze(char, const ctype<_CharT>&); \ 2378extern template _LIBCPP_EXPORTED_FROM_ABI time_base::dateorder __time_get_storage<_CharT>::__do_date_order() const; \ 2379extern template _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::__time_get_storage(const char*); \ 2380extern template _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::__time_get_storage(const string&); \ 2381extern template _LIBCPP_EXPORTED_FROM_ABI void __time_get_storage<_CharT>::init(const ctype<_CharT>&); \ 2382extern template _LIBCPP_EXPORTED_FROM_ABI __time_get_storage<_CharT>::string_type __time_get_storage<_CharT>::__analyze(char, const ctype<_CharT>&); \ 2383/**/ 2384 2385_LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(char) 2386#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2387_LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(wchar_t) 2388#endif 2389#undef _LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION 2390 2391template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2392class _LIBCPP_TEMPLATE_VIS time_get_byname 2393 : public time_get<_CharT, _InputIterator>, 2394 private __time_get_storage<_CharT> 2395{ 2396public: 2397 typedef time_base::dateorder dateorder; 2398 typedef _InputIterator iter_type; 2399 typedef _CharT char_type; 2400 typedef basic_string<char_type> string_type; 2401 2402 _LIBCPP_INLINE_VISIBILITY 2403 explicit time_get_byname(const char* __nm, size_t __refs = 0) 2404 : time_get<_CharT, _InputIterator>(__refs), 2405 __time_get_storage<_CharT>(__nm) {} 2406 _LIBCPP_INLINE_VISIBILITY 2407 explicit time_get_byname(const string& __nm, size_t __refs = 0) 2408 : time_get<_CharT, _InputIterator>(__refs), 2409 __time_get_storage<_CharT>(__nm) {} 2410 2411protected: 2412 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_get_byname() override {} 2413 2414 _LIBCPP_HIDE_FROM_ABI_VIRTUAL dateorder do_date_order() const override {return this->__do_date_order();} 2415private: 2416 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __weeks() const override {return this->__weeks_;} 2417 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __months() const override {return this->__months_;} 2418 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __am_pm() const override {return this->__am_pm_;} 2419 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __c() const override {return this->__c_;} 2420 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __r() const override {return this->__r_;} 2421 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __x() const override {return this->__x_;} 2422 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __X() const override {return this->__X_;} 2423}; 2424 2425extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get_byname<char>; 2426#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2427extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get_byname<wchar_t>; 2428#endif 2429 2430class _LIBCPP_EXPORTED_FROM_ABI __time_put 2431{ 2432 locale_t __loc_; 2433protected: 2434 _LIBCPP_INLINE_VISIBILITY __time_put() : __loc_(_LIBCPP_GET_C_LOCALE) {} 2435 __time_put(const char* __nm); 2436 __time_put(const string& __nm); 2437 ~__time_put(); 2438 void __do_put(char* __nb, char*& __ne, const tm* __tm, 2439 char __fmt, char __mod) const; 2440#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2441 void __do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm, 2442 char __fmt, char __mod) const; 2443#endif 2444}; 2445 2446template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2447class _LIBCPP_TEMPLATE_VIS time_put 2448 : public locale::facet, 2449 private __time_put 2450{ 2451public: 2452 typedef _CharT char_type; 2453 typedef _OutputIterator iter_type; 2454 2455 _LIBCPP_INLINE_VISIBILITY 2456 explicit time_put(size_t __refs = 0) 2457 : locale::facet(__refs) {} 2458 2459 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, const tm* __tm, 2460 const char_type* __pb, const char_type* __pe) const; 2461 2462 _LIBCPP_INLINE_VISIBILITY 2463 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 2464 const tm* __tm, char __fmt, char __mod = 0) const 2465 { 2466 return do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2467 } 2468 2469 static locale::id id; 2470 2471protected: 2472 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_put() override {} 2473 virtual iter_type do_put(iter_type __s, ios_base&, char_type, const tm* __tm, 2474 char __fmt, char __mod) const; 2475 2476 _LIBCPP_INLINE_VISIBILITY 2477 explicit time_put(const char* __nm, size_t __refs) 2478 : locale::facet(__refs), 2479 __time_put(__nm) {} 2480 _LIBCPP_INLINE_VISIBILITY 2481 explicit time_put(const string& __nm, size_t __refs) 2482 : locale::facet(__refs), 2483 __time_put(__nm) {} 2484}; 2485 2486template <class _CharT, class _OutputIterator> 2487locale::id 2488time_put<_CharT, _OutputIterator>::id; 2489 2490template <class _CharT, class _OutputIterator> 2491_OutputIterator 2492time_put<_CharT, _OutputIterator>::put(iter_type __s, ios_base& __iob, 2493 char_type __fl, const tm* __tm, 2494 const char_type* __pb, 2495 const char_type* __pe) const 2496{ 2497 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2498 for (; __pb != __pe; ++__pb) 2499 { 2500 if (__ct.narrow(*__pb, 0) == '%') 2501 { 2502 if (++__pb == __pe) 2503 { 2504 *__s++ = __pb[-1]; 2505 break; 2506 } 2507 char __mod = 0; 2508 char __fmt = __ct.narrow(*__pb, 0); 2509 if (__fmt == 'E' || __fmt == 'O') 2510 { 2511 if (++__pb == __pe) 2512 { 2513 *__s++ = __pb[-2]; 2514 *__s++ = __pb[-1]; 2515 break; 2516 } 2517 __mod = __fmt; 2518 __fmt = __ct.narrow(*__pb, 0); 2519 } 2520 __s = do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2521 } 2522 else 2523 *__s++ = *__pb; 2524 } 2525 return __s; 2526} 2527 2528template <class _CharT, class _OutputIterator> 2529_OutputIterator 2530time_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base&, 2531 char_type, const tm* __tm, 2532 char __fmt, char __mod) const 2533{ 2534 char_type __nar[100]; 2535 char_type* __nb = __nar; 2536 char_type* __ne = __nb + 100; 2537 __do_put(__nb, __ne, __tm, __fmt, __mod); 2538 return _VSTD::copy(__nb, __ne, __s); 2539} 2540 2541extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put<char>; 2542#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2543extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put<wchar_t>; 2544#endif 2545 2546template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2547class _LIBCPP_TEMPLATE_VIS time_put_byname 2548 : public time_put<_CharT, _OutputIterator> 2549{ 2550public: 2551 _LIBCPP_INLINE_VISIBILITY 2552 explicit time_put_byname(const char* __nm, size_t __refs = 0) 2553 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2554 2555 _LIBCPP_INLINE_VISIBILITY 2556 explicit time_put_byname(const string& __nm, size_t __refs = 0) 2557 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2558 2559protected: 2560 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_put_byname() override {} 2561}; 2562 2563extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put_byname<char>; 2564#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2565extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put_byname<wchar_t>; 2566#endif 2567 2568// money_base 2569 2570class _LIBCPP_EXPORTED_FROM_ABI money_base 2571{ 2572public: 2573 enum part {none, space, symbol, sign, value}; 2574 struct pattern {char field[4];}; 2575 2576 _LIBCPP_INLINE_VISIBILITY money_base() {} 2577}; 2578 2579// moneypunct 2580 2581template <class _CharT, bool _International = false> 2582class _LIBCPP_TEMPLATE_VIS moneypunct 2583 : public locale::facet, 2584 public money_base 2585{ 2586public: 2587 typedef _CharT char_type; 2588 typedef basic_string<char_type> string_type; 2589 2590 _LIBCPP_INLINE_VISIBILITY 2591 explicit moneypunct(size_t __refs = 0) 2592 : locale::facet(__refs) {} 2593 2594 _LIBCPP_INLINE_VISIBILITY char_type decimal_point() const {return do_decimal_point();} 2595 _LIBCPP_INLINE_VISIBILITY char_type thousands_sep() const {return do_thousands_sep();} 2596 _LIBCPP_INLINE_VISIBILITY string grouping() const {return do_grouping();} 2597 _LIBCPP_INLINE_VISIBILITY string_type curr_symbol() const {return do_curr_symbol();} 2598 _LIBCPP_INLINE_VISIBILITY string_type positive_sign() const {return do_positive_sign();} 2599 _LIBCPP_INLINE_VISIBILITY string_type negative_sign() const {return do_negative_sign();} 2600 _LIBCPP_INLINE_VISIBILITY int frac_digits() const {return do_frac_digits();} 2601 _LIBCPP_INLINE_VISIBILITY pattern pos_format() const {return do_pos_format();} 2602 _LIBCPP_INLINE_VISIBILITY pattern neg_format() const {return do_neg_format();} 2603 2604 static locale::id id; 2605 static const bool intl = _International; 2606 2607protected: 2608 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~moneypunct() override {} 2609 2610 virtual char_type do_decimal_point() const {return numeric_limits<char_type>::max();} 2611 virtual char_type do_thousands_sep() const {return numeric_limits<char_type>::max();} 2612 virtual string do_grouping() const {return string();} 2613 virtual string_type do_curr_symbol() const {return string_type();} 2614 virtual string_type do_positive_sign() const {return string_type();} 2615 virtual string_type do_negative_sign() const {return string_type(1, '-');} 2616 virtual int do_frac_digits() const {return 0;} 2617 virtual pattern do_pos_format() const 2618 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2619 virtual pattern do_neg_format() const 2620 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2621}; 2622 2623template <class _CharT, bool _International> 2624locale::id 2625moneypunct<_CharT, _International>::id; 2626 2627template <class _CharT, bool _International> 2628const bool 2629moneypunct<_CharT, _International>::intl; 2630 2631extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<char, false>; 2632extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<char, true>; 2633#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2634extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<wchar_t, false>; 2635extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<wchar_t, true>; 2636#endif 2637 2638// moneypunct_byname 2639 2640template <class _CharT, bool _International = false> 2641class _LIBCPP_TEMPLATE_VIS moneypunct_byname 2642 : public moneypunct<_CharT, _International> 2643{ 2644public: 2645 typedef money_base::pattern pattern; 2646 typedef _CharT char_type; 2647 typedef basic_string<char_type> string_type; 2648 2649 _LIBCPP_INLINE_VISIBILITY 2650 explicit moneypunct_byname(const char* __nm, size_t __refs = 0) 2651 : moneypunct<_CharT, _International>(__refs) {init(__nm);} 2652 2653 _LIBCPP_INLINE_VISIBILITY 2654 explicit moneypunct_byname(const string& __nm, size_t __refs = 0) 2655 : moneypunct<_CharT, _International>(__refs) {init(__nm.c_str());} 2656 2657protected: 2658 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~moneypunct_byname() override {} 2659 2660 char_type do_decimal_point() const override {return __decimal_point_;} 2661 char_type do_thousands_sep() const override {return __thousands_sep_;} 2662 string do_grouping() const override {return __grouping_;} 2663 string_type do_curr_symbol() const override {return __curr_symbol_;} 2664 string_type do_positive_sign() const override {return __positive_sign_;} 2665 string_type do_negative_sign() const override {return __negative_sign_;} 2666 int do_frac_digits() const override {return __frac_digits_;} 2667 pattern do_pos_format() const override {return __pos_format_;} 2668 pattern do_neg_format() const override {return __neg_format_;} 2669 2670private: 2671 char_type __decimal_point_; 2672 char_type __thousands_sep_; 2673 string __grouping_; 2674 string_type __curr_symbol_; 2675 string_type __positive_sign_; 2676 string_type __negative_sign_; 2677 int __frac_digits_; 2678 pattern __pos_format_; 2679 pattern __neg_format_; 2680 2681 void init(const char*); 2682}; 2683 2684template<> _LIBCPP_EXPORTED_FROM_ABI void moneypunct_byname<char, false>::init(const char*); 2685template<> _LIBCPP_EXPORTED_FROM_ABI void moneypunct_byname<char, true>::init(const char*); 2686extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<char, false>; 2687extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<char, true>; 2688 2689#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2690template<> _LIBCPP_EXPORTED_FROM_ABI void moneypunct_byname<wchar_t, false>::init(const char*); 2691template<> _LIBCPP_EXPORTED_FROM_ABI void moneypunct_byname<wchar_t, true>::init(const char*); 2692extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<wchar_t, false>; 2693extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<wchar_t, true>; 2694#endif 2695 2696// money_get 2697 2698template <class _CharT> 2699class __money_get 2700{ 2701protected: 2702 typedef _CharT char_type; 2703 typedef basic_string<char_type> string_type; 2704 2705 _LIBCPP_INLINE_VISIBILITY __money_get() {} 2706 2707 static void __gather_info(bool __intl, const locale& __loc, 2708 money_base::pattern& __pat, char_type& __dp, 2709 char_type& __ts, string& __grp, 2710 string_type& __sym, string_type& __psn, 2711 string_type& __nsn, int& __fd); 2712}; 2713 2714template <class _CharT> 2715void 2716__money_get<_CharT>::__gather_info(bool __intl, const locale& __loc, 2717 money_base::pattern& __pat, char_type& __dp, 2718 char_type& __ts, string& __grp, 2719 string_type& __sym, string_type& __psn, 2720 string_type& __nsn, int& __fd) 2721{ 2722 if (__intl) 2723 { 2724 const moneypunct<char_type, true>& __mp = 2725 std::use_facet<moneypunct<char_type, true> >(__loc); 2726 __pat = __mp.neg_format(); 2727 __nsn = __mp.negative_sign(); 2728 __psn = __mp.positive_sign(); 2729 __dp = __mp.decimal_point(); 2730 __ts = __mp.thousands_sep(); 2731 __grp = __mp.grouping(); 2732 __sym = __mp.curr_symbol(); 2733 __fd = __mp.frac_digits(); 2734 } 2735 else 2736 { 2737 const moneypunct<char_type, false>& __mp = 2738 std::use_facet<moneypunct<char_type, false> >(__loc); 2739 __pat = __mp.neg_format(); 2740 __nsn = __mp.negative_sign(); 2741 __psn = __mp.positive_sign(); 2742 __dp = __mp.decimal_point(); 2743 __ts = __mp.thousands_sep(); 2744 __grp = __mp.grouping(); 2745 __sym = __mp.curr_symbol(); 2746 __fd = __mp.frac_digits(); 2747 } 2748} 2749 2750extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_get<char>; 2751#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2752extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_get<wchar_t>; 2753#endif 2754 2755template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2756class _LIBCPP_TEMPLATE_VIS money_get 2757 : public locale::facet, 2758 private __money_get<_CharT> 2759{ 2760public: 2761 typedef _CharT char_type; 2762 typedef _InputIterator iter_type; 2763 typedef basic_string<char_type> string_type; 2764 2765 _LIBCPP_INLINE_VISIBILITY 2766 explicit money_get(size_t __refs = 0) 2767 : locale::facet(__refs) {} 2768 2769 _LIBCPP_INLINE_VISIBILITY 2770 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2771 ios_base::iostate& __err, long double& __v) const 2772 { 2773 return do_get(__b, __e, __intl, __iob, __err, __v); 2774 } 2775 2776 _LIBCPP_INLINE_VISIBILITY 2777 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2778 ios_base::iostate& __err, string_type& __v) const 2779 { 2780 return do_get(__b, __e, __intl, __iob, __err, __v); 2781 } 2782 2783 static locale::id id; 2784 2785protected: 2786 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~money_get() override {} 2787 2788 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2789 ios_base& __iob, ios_base::iostate& __err, 2790 long double& __v) const; 2791 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2792 ios_base& __iob, ios_base::iostate& __err, 2793 string_type& __v) const; 2794 2795private: 2796 static bool __do_get(iter_type& __b, iter_type __e, 2797 bool __intl, const locale& __loc, 2798 ios_base::fmtflags __flags, ios_base::iostate& __err, 2799 bool& __neg, const ctype<char_type>& __ct, 2800 unique_ptr<char_type, void(*)(void*)>& __wb, 2801 char_type*& __wn, char_type* __we); 2802}; 2803 2804template <class _CharT, class _InputIterator> 2805locale::id 2806money_get<_CharT, _InputIterator>::id; 2807 2808_LIBCPP_EXPORTED_FROM_ABI void __do_nothing(void*); 2809 2810template <class _Tp> 2811_LIBCPP_HIDE_FROM_ABI 2812void 2813__double_or_nothing(unique_ptr<_Tp, void(*)(void*)>& __b, _Tp*& __n, _Tp*& __e) 2814{ 2815 bool __owns = __b.get_deleter() != __do_nothing; 2816 size_t __cur_cap = static_cast<size_t>(__e-__b.get()) * sizeof(_Tp); 2817 size_t __new_cap = __cur_cap < numeric_limits<size_t>::max() / 2 ? 2818 2 * __cur_cap : numeric_limits<size_t>::max(); 2819 if (__new_cap == 0) 2820 __new_cap = sizeof(_Tp); 2821 size_t __n_off = static_cast<size_t>(__n - __b.get()); 2822 _Tp* __t = (_Tp*)std::realloc(__owns ? __b.get() : 0, __new_cap); 2823 if (__t == 0) 2824 __throw_bad_alloc(); 2825 if (__owns) 2826 __b.release(); 2827 __b = unique_ptr<_Tp, void(*)(void*)>(__t, free); 2828 __new_cap /= sizeof(_Tp); 2829 __n = __b.get() + __n_off; 2830 __e = __b.get() + __new_cap; 2831} 2832 2833// true == success 2834template <class _CharT, class _InputIterator> 2835bool 2836money_get<_CharT, _InputIterator>::__do_get(iter_type& __b, iter_type __e, 2837 bool __intl, const locale& __loc, 2838 ios_base::fmtflags __flags, 2839 ios_base::iostate& __err, 2840 bool& __neg, 2841 const ctype<char_type>& __ct, 2842 unique_ptr<char_type, void(*)(void*)>& __wb, 2843 char_type*& __wn, char_type* __we) 2844{ 2845 if (__b == __e) { 2846 __err |= ios_base::failbit; 2847 return false; 2848 } 2849 const unsigned __bz = 100; 2850 unsigned __gbuf[__bz]; 2851 unique_ptr<unsigned, void(*)(void*)> __gb(__gbuf, __do_nothing); 2852 unsigned* __gn = __gb.get(); 2853 unsigned* __ge = __gn + __bz; 2854 money_base::pattern __pat; 2855 char_type __dp; 2856 char_type __ts; 2857 string __grp; 2858 string_type __sym; 2859 string_type __psn; 2860 string_type __nsn; 2861 // Capture the spaces read into money_base::{space,none} so they 2862 // can be compared to initial spaces in __sym. 2863 string_type __spaces; 2864 int __fd; 2865 __money_get<_CharT>::__gather_info(__intl, __loc, __pat, __dp, __ts, __grp, 2866 __sym, __psn, __nsn, __fd); 2867 const string_type* __trailing_sign = 0; 2868 __wn = __wb.get(); 2869 for (unsigned __p = 0; __p < 4 && __b != __e; ++__p) 2870 { 2871 switch (__pat.field[__p]) 2872 { 2873 case money_base::space: 2874 if (__p != 3) 2875 { 2876 if (__ct.is(ctype_base::space, *__b)) 2877 __spaces.push_back(*__b++); 2878 else 2879 { 2880 __err |= ios_base::failbit; 2881 return false; 2882 } 2883 } 2884 _LIBCPP_FALLTHROUGH(); 2885 case money_base::none: 2886 if (__p != 3) 2887 { 2888 while (__b != __e && __ct.is(ctype_base::space, *__b)) 2889 __spaces.push_back(*__b++); 2890 } 2891 break; 2892 case money_base::sign: 2893 if (__psn.size() > 0 && *__b == __psn[0]) 2894 { 2895 ++__b; 2896 __neg = false; 2897 if (__psn.size() > 1) 2898 __trailing_sign = &__psn; 2899 break; 2900 } 2901 if (__nsn.size() > 0 && *__b == __nsn[0]) 2902 { 2903 ++__b; 2904 __neg = true; 2905 if (__nsn.size() > 1) 2906 __trailing_sign = &__nsn; 2907 break; 2908 } 2909 if (__psn.size() > 0 && __nsn.size() > 0) 2910 { // sign is required 2911 __err |= ios_base::failbit; 2912 return false; 2913 } 2914 if (__psn.size() == 0 && __nsn.size() == 0) 2915 // locale has no way of specifying a sign. Use the initial value of __neg as a default 2916 break; 2917 __neg = (__nsn.size() == 0); 2918 break; 2919 case money_base::symbol: 2920 { 2921 bool __more_needed = __trailing_sign || 2922 (__p < 2) || 2923 (__p == 2 && __pat.field[3] != static_cast<char>(money_base::none)); 2924 bool __sb = (__flags & ios_base::showbase) != 0; 2925 if (__sb || __more_needed) 2926 { 2927 typename string_type::const_iterator __sym_space_end = __sym.begin(); 2928 if (__p > 0 && (__pat.field[__p - 1] == money_base::none || 2929 __pat.field[__p - 1] == money_base::space)) { 2930 // Match spaces we've already read against spaces at 2931 // the beginning of __sym. 2932 while (__sym_space_end != __sym.end() && 2933 __ct.is(ctype_base::space, *__sym_space_end)) 2934 ++__sym_space_end; 2935 const size_t __num_spaces = __sym_space_end - __sym.begin(); 2936 if (__num_spaces > __spaces.size() || 2937 !std::equal(__spaces.end() - __num_spaces, __spaces.end(), 2938 __sym.begin())) { 2939 // No match. Put __sym_space_end back at the 2940 // beginning of __sym, which will prevent a 2941 // match in the next loop. 2942 __sym_space_end = __sym.begin(); 2943 } 2944 } 2945 typename string_type::const_iterator __sym_curr_char = __sym_space_end; 2946 while (__sym_curr_char != __sym.end() && __b != __e && 2947 *__b == *__sym_curr_char) { 2948 ++__b; 2949 ++__sym_curr_char; 2950 } 2951 if (__sb && __sym_curr_char != __sym.end()) 2952 { 2953 __err |= ios_base::failbit; 2954 return false; 2955 } 2956 } 2957 } 2958 break; 2959 case money_base::value: 2960 { 2961 unsigned __ng = 0; 2962 for (; __b != __e; ++__b) 2963 { 2964 char_type __c = *__b; 2965 if (__ct.is(ctype_base::digit, __c)) 2966 { 2967 if (__wn == __we) 2968 std::__double_or_nothing(__wb, __wn, __we); 2969 *__wn++ = __c; 2970 ++__ng; 2971 } 2972 else if (__grp.size() > 0 && __ng > 0 && __c == __ts) 2973 { 2974 if (__gn == __ge) 2975 std::__double_or_nothing(__gb, __gn, __ge); 2976 *__gn++ = __ng; 2977 __ng = 0; 2978 } 2979 else 2980 break; 2981 } 2982 if (__gb.get() != __gn && __ng > 0) 2983 { 2984 if (__gn == __ge) 2985 std::__double_or_nothing(__gb, __gn, __ge); 2986 *__gn++ = __ng; 2987 } 2988 if (__fd > 0) 2989 { 2990 if (__b == __e || *__b != __dp) 2991 { 2992 __err |= ios_base::failbit; 2993 return false; 2994 } 2995 for (++__b; __fd > 0; --__fd, ++__b) 2996 { 2997 if (__b == __e || !__ct.is(ctype_base::digit, *__b)) 2998 { 2999 __err |= ios_base::failbit; 3000 return false; 3001 } 3002 if (__wn == __we) 3003 std::__double_or_nothing(__wb, __wn, __we); 3004 *__wn++ = *__b; 3005 } 3006 } 3007 if (__wn == __wb.get()) 3008 { 3009 __err |= ios_base::failbit; 3010 return false; 3011 } 3012 } 3013 break; 3014 } 3015 } 3016 if (__trailing_sign) 3017 { 3018 for (unsigned __i = 1; __i < __trailing_sign->size(); ++__i, ++__b) 3019 { 3020 if (__b == __e || *__b != (*__trailing_sign)[__i]) 3021 { 3022 __err |= ios_base::failbit; 3023 return false; 3024 } 3025 } 3026 } 3027 if (__gb.get() != __gn) 3028 { 3029 ios_base::iostate __et = ios_base::goodbit; 3030 __check_grouping(__grp, __gb.get(), __gn, __et); 3031 if (__et) 3032 { 3033 __err |= ios_base::failbit; 3034 return false; 3035 } 3036 } 3037 return true; 3038} 3039 3040template <class _CharT, class _InputIterator> 3041_InputIterator 3042money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3043 bool __intl, ios_base& __iob, 3044 ios_base::iostate& __err, 3045 long double& __v) const 3046{ 3047 const int __bz = 100; 3048 char_type __wbuf[__bz]; 3049 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3050 char_type* __wn; 3051 char_type* __we = __wbuf + __bz; 3052 locale __loc = __iob.getloc(); 3053 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3054 bool __neg = false; 3055 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3056 __wb, __wn, __we)) 3057 { 3058 const char __src[] = "0123456789"; 3059 char_type __atoms[sizeof(__src)-1]; 3060 __ct.widen(__src, __src + (sizeof(__src)-1), __atoms); 3061 char __nbuf[__bz]; 3062 char* __nc = __nbuf; 3063 unique_ptr<char, void(*)(void*)> __h(nullptr, free); 3064 if (__wn - __wb.get() > __bz-2) 3065 { 3066 __h.reset((char*)malloc(static_cast<size_t>(__wn - __wb.get() + 2))); 3067 if (__h.get() == nullptr) 3068 __throw_bad_alloc(); 3069 __nc = __h.get(); 3070 } 3071 if (__neg) 3072 *__nc++ = '-'; 3073 for (const char_type* __w = __wb.get(); __w < __wn; ++__w, ++__nc) 3074 *__nc = __src[std::find(__atoms, _VSTD::end(__atoms), *__w) - __atoms]; 3075 *__nc = char(); 3076 if (sscanf(__nbuf, "%Lf", &__v) != 1) 3077 __throw_runtime_error("money_get error"); 3078 } 3079 if (__b == __e) 3080 __err |= ios_base::eofbit; 3081 return __b; 3082} 3083 3084template <class _CharT, class _InputIterator> 3085_InputIterator 3086money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3087 bool __intl, ios_base& __iob, 3088 ios_base::iostate& __err, 3089 string_type& __v) const 3090{ 3091 const int __bz = 100; 3092 char_type __wbuf[__bz]; 3093 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3094 char_type* __wn; 3095 char_type* __we = __wbuf + __bz; 3096 locale __loc = __iob.getloc(); 3097 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3098 bool __neg = false; 3099 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3100 __wb, __wn, __we)) 3101 { 3102 __v.clear(); 3103 if (__neg) 3104 __v.push_back(__ct.widen('-')); 3105 char_type __z = __ct.widen('0'); 3106 char_type* __w; 3107 for (__w = __wb.get(); __w < __wn-1; ++__w) 3108 if (*__w != __z) 3109 break; 3110 __v.append(__w, __wn); 3111 } 3112 if (__b == __e) 3113 __err |= ios_base::eofbit; 3114 return __b; 3115} 3116 3117extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_get<char>; 3118#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3119extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_get<wchar_t>; 3120#endif 3121 3122// money_put 3123 3124template <class _CharT> 3125class __money_put 3126{ 3127protected: 3128 typedef _CharT char_type; 3129 typedef basic_string<char_type> string_type; 3130 3131 _LIBCPP_INLINE_VISIBILITY __money_put() {} 3132 3133 static void __gather_info(bool __intl, bool __neg, const locale& __loc, 3134 money_base::pattern& __pat, char_type& __dp, 3135 char_type& __ts, string& __grp, 3136 string_type& __sym, string_type& __sn, 3137 int& __fd); 3138 static void __format(char_type* __mb, char_type*& __mi, char_type*& __me, 3139 ios_base::fmtflags __flags, 3140 const char_type* __db, const char_type* __de, 3141 const ctype<char_type>& __ct, bool __neg, 3142 const money_base::pattern& __pat, char_type __dp, 3143 char_type __ts, const string& __grp, 3144 const string_type& __sym, const string_type& __sn, 3145 int __fd); 3146}; 3147 3148template <class _CharT> 3149void 3150__money_put<_CharT>::__gather_info(bool __intl, bool __neg, const locale& __loc, 3151 money_base::pattern& __pat, char_type& __dp, 3152 char_type& __ts, string& __grp, 3153 string_type& __sym, string_type& __sn, 3154 int& __fd) 3155{ 3156 if (__intl) 3157 { 3158 const moneypunct<char_type, true>& __mp = 3159 std::use_facet<moneypunct<char_type, true> >(__loc); 3160 if (__neg) 3161 { 3162 __pat = __mp.neg_format(); 3163 __sn = __mp.negative_sign(); 3164 } 3165 else 3166 { 3167 __pat = __mp.pos_format(); 3168 __sn = __mp.positive_sign(); 3169 } 3170 __dp = __mp.decimal_point(); 3171 __ts = __mp.thousands_sep(); 3172 __grp = __mp.grouping(); 3173 __sym = __mp.curr_symbol(); 3174 __fd = __mp.frac_digits(); 3175 } 3176 else 3177 { 3178 const moneypunct<char_type, false>& __mp = 3179 std::use_facet<moneypunct<char_type, false> >(__loc); 3180 if (__neg) 3181 { 3182 __pat = __mp.neg_format(); 3183 __sn = __mp.negative_sign(); 3184 } 3185 else 3186 { 3187 __pat = __mp.pos_format(); 3188 __sn = __mp.positive_sign(); 3189 } 3190 __dp = __mp.decimal_point(); 3191 __ts = __mp.thousands_sep(); 3192 __grp = __mp.grouping(); 3193 __sym = __mp.curr_symbol(); 3194 __fd = __mp.frac_digits(); 3195 } 3196} 3197 3198template <class _CharT> 3199void 3200__money_put<_CharT>::__format(char_type* __mb, char_type*& __mi, char_type*& __me, 3201 ios_base::fmtflags __flags, 3202 const char_type* __db, const char_type* __de, 3203 const ctype<char_type>& __ct, bool __neg, 3204 const money_base::pattern& __pat, char_type __dp, 3205 char_type __ts, const string& __grp, 3206 const string_type& __sym, const string_type& __sn, 3207 int __fd) 3208{ 3209 __me = __mb; 3210 for (char __p : __pat.field) 3211 { 3212 switch (__p) 3213 { 3214 case money_base::none: 3215 __mi = __me; 3216 break; 3217 case money_base::space: 3218 __mi = __me; 3219 *__me++ = __ct.widen(' '); 3220 break; 3221 case money_base::sign: 3222 if (!__sn.empty()) 3223 *__me++ = __sn[0]; 3224 break; 3225 case money_base::symbol: 3226 if (!__sym.empty() && (__flags & ios_base::showbase)) 3227 __me = _VSTD::copy(__sym.begin(), __sym.end(), __me); 3228 break; 3229 case money_base::value: 3230 { 3231 // remember start of value so we can reverse it 3232 char_type* __t = __me; 3233 // find beginning of digits 3234 if (__neg) 3235 ++__db; 3236 // find end of digits 3237 const char_type* __d; 3238 for (__d = __db; __d < __de; ++__d) 3239 if (!__ct.is(ctype_base::digit, *__d)) 3240 break; 3241 // print fractional part 3242 if (__fd > 0) 3243 { 3244 int __f; 3245 for (__f = __fd; __d > __db && __f > 0; --__f) 3246 *__me++ = *--__d; 3247 char_type __z = __f > 0 ? __ct.widen('0') : char_type(); 3248 for (; __f > 0; --__f) 3249 *__me++ = __z; 3250 *__me++ = __dp; 3251 } 3252 // print units part 3253 if (__d == __db) 3254 { 3255 *__me++ = __ct.widen('0'); 3256 } 3257 else 3258 { 3259 unsigned __ng = 0; 3260 unsigned __ig = 0; 3261 unsigned __gl = __grp.empty() ? numeric_limits<unsigned>::max() 3262 : static_cast<unsigned>(__grp[__ig]); 3263 while (__d != __db) 3264 { 3265 if (__ng == __gl) 3266 { 3267 *__me++ = __ts; 3268 __ng = 0; 3269 if (++__ig < __grp.size()) 3270 __gl = __grp[__ig] == numeric_limits<char>::max() ? 3271 numeric_limits<unsigned>::max() : 3272 static_cast<unsigned>(__grp[__ig]); 3273 } 3274 *__me++ = *--__d; 3275 ++__ng; 3276 } 3277 } 3278 // reverse it 3279 std::reverse(__t, __me); 3280 } 3281 break; 3282 } 3283 } 3284 // print rest of sign, if any 3285 if (__sn.size() > 1) 3286 __me = _VSTD::copy(__sn.begin()+1, __sn.end(), __me); 3287 // set alignment 3288 if ((__flags & ios_base::adjustfield) == ios_base::left) 3289 __mi = __me; 3290 else if ((__flags & ios_base::adjustfield) != ios_base::internal) 3291 __mi = __mb; 3292} 3293 3294extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_put<char>; 3295#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3296extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_put<wchar_t>; 3297#endif 3298 3299template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 3300class _LIBCPP_TEMPLATE_VIS money_put 3301 : public locale::facet, 3302 private __money_put<_CharT> 3303{ 3304public: 3305 typedef _CharT char_type; 3306 typedef _OutputIterator iter_type; 3307 typedef basic_string<char_type> string_type; 3308 3309 _LIBCPP_INLINE_VISIBILITY 3310 explicit money_put(size_t __refs = 0) 3311 : locale::facet(__refs) {} 3312 3313 _LIBCPP_INLINE_VISIBILITY 3314 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3315 long double __units) const 3316 { 3317 return do_put(__s, __intl, __iob, __fl, __units); 3318 } 3319 3320 _LIBCPP_INLINE_VISIBILITY 3321 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3322 const string_type& __digits) const 3323 { 3324 return do_put(__s, __intl, __iob, __fl, __digits); 3325 } 3326 3327 static locale::id id; 3328 3329protected: 3330 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~money_put() override {} 3331 3332 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3333 char_type __fl, long double __units) const; 3334 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3335 char_type __fl, const string_type& __digits) const; 3336}; 3337 3338template <class _CharT, class _OutputIterator> 3339locale::id 3340money_put<_CharT, _OutputIterator>::id; 3341 3342template <class _CharT, class _OutputIterator> 3343_OutputIterator 3344money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3345 ios_base& __iob, char_type __fl, 3346 long double __units) const 3347{ 3348 // convert to char 3349 const size_t __bs = 100; 3350 char __buf[__bs]; 3351 char* __bb = __buf; 3352 char_type __digits[__bs]; 3353 char_type* __db = __digits; 3354 int __n = snprintf(__bb, __bs, "%.0Lf", __units); 3355 unique_ptr<char, void(*)(void*)> __hn(nullptr, free); 3356 unique_ptr<char_type, void(*)(void*)> __hd(0, free); 3357 // secure memory for digit storage 3358 if (static_cast<size_t>(__n) > __bs-1) 3359 { 3360 __n = __libcpp_asprintf_l(&__bb, _LIBCPP_GET_C_LOCALE, "%.0Lf", __units); 3361 if (__n == -1) 3362 __throw_bad_alloc(); 3363 __hn.reset(__bb); 3364 __hd.reset((char_type*)malloc(static_cast<size_t>(__n) * sizeof(char_type))); 3365 if (__hd == nullptr) 3366 __throw_bad_alloc(); 3367 __db = __hd.get(); 3368 } 3369 // gather info 3370 locale __loc = __iob.getloc(); 3371 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3372 __ct.widen(__bb, __bb + __n, __db); 3373 bool __neg = __n > 0 && __bb[0] == '-'; 3374 money_base::pattern __pat; 3375 char_type __dp; 3376 char_type __ts; 3377 string __grp; 3378 string_type __sym; 3379 string_type __sn; 3380 int __fd; 3381 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3382 // secure memory for formatting 3383 char_type __mbuf[__bs]; 3384 char_type* __mb = __mbuf; 3385 unique_ptr<char_type, void(*)(void*)> __hw(0, free); 3386 size_t __exn = __n > __fd ? 3387 (static_cast<size_t>(__n) - static_cast<size_t>(__fd)) * 2 + 3388 __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 1 3389 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3390 if (__exn > __bs) 3391 { 3392 __hw.reset((char_type*)malloc(__exn * sizeof(char_type))); 3393 __mb = __hw.get(); 3394 if (__mb == 0) 3395 __throw_bad_alloc(); 3396 } 3397 // format 3398 char_type* __mi; 3399 char_type* __me; 3400 this->__format(__mb, __mi, __me, __iob.flags(), 3401 __db, __db + __n, __ct, 3402 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3403 return std::__pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3404} 3405 3406template <class _CharT, class _OutputIterator> 3407_OutputIterator 3408money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3409 ios_base& __iob, char_type __fl, 3410 const string_type& __digits) const 3411{ 3412 // gather info 3413 locale __loc = __iob.getloc(); 3414 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3415 bool __neg = __digits.size() > 0 && __digits[0] == __ct.widen('-'); 3416 money_base::pattern __pat; 3417 char_type __dp; 3418 char_type __ts; 3419 string __grp; 3420 string_type __sym; 3421 string_type __sn; 3422 int __fd; 3423 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3424 // secure memory for formatting 3425 char_type __mbuf[100]; 3426 char_type* __mb = __mbuf; 3427 unique_ptr<char_type, void(*)(void*)> __h(0, free); 3428 size_t __exn = static_cast<int>(__digits.size()) > __fd ? 3429 (__digits.size() - static_cast<size_t>(__fd)) * 2 + 3430 __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 1 3431 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3432 if (__exn > 100) 3433 { 3434 __h.reset((char_type*)malloc(__exn * sizeof(char_type))); 3435 __mb = __h.get(); 3436 if (__mb == 0) 3437 __throw_bad_alloc(); 3438 } 3439 // format 3440 char_type* __mi; 3441 char_type* __me; 3442 this->__format(__mb, __mi, __me, __iob.flags(), 3443 __digits.data(), __digits.data() + __digits.size(), __ct, 3444 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3445 return std::__pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3446} 3447 3448extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_put<char>; 3449#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3450extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_put<wchar_t>; 3451#endif 3452 3453// messages 3454 3455class _LIBCPP_EXPORTED_FROM_ABI messages_base 3456{ 3457public: 3458 typedef ptrdiff_t catalog; 3459 3460 _LIBCPP_INLINE_VISIBILITY messages_base() {} 3461}; 3462 3463template <class _CharT> 3464class _LIBCPP_TEMPLATE_VIS messages 3465 : public locale::facet, 3466 public messages_base 3467{ 3468public: 3469 typedef _CharT char_type; 3470 typedef basic_string<_CharT> string_type; 3471 3472 _LIBCPP_INLINE_VISIBILITY 3473 explicit messages(size_t __refs = 0) 3474 : locale::facet(__refs) {} 3475 3476 _LIBCPP_INLINE_VISIBILITY 3477 catalog open(const basic_string<char>& __nm, const locale& __loc) const 3478 { 3479 return do_open(__nm, __loc); 3480 } 3481 3482 _LIBCPP_INLINE_VISIBILITY 3483 string_type get(catalog __c, int __set, int __msgid, 3484 const string_type& __dflt) const 3485 { 3486 return do_get(__c, __set, __msgid, __dflt); 3487 } 3488 3489 _LIBCPP_INLINE_VISIBILITY 3490 void close(catalog __c) const 3491 { 3492 do_close(__c); 3493 } 3494 3495 static locale::id id; 3496 3497protected: 3498 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~messages() override {} 3499 3500 virtual catalog do_open(const basic_string<char>&, const locale&) const; 3501 virtual string_type do_get(catalog, int __set, int __msgid, 3502 const string_type& __dflt) const; 3503 virtual void do_close(catalog) const; 3504}; 3505 3506template <class _CharT> 3507locale::id 3508messages<_CharT>::id; 3509 3510template <class _CharT> 3511typename messages<_CharT>::catalog 3512messages<_CharT>::do_open(const basic_string<char>& __nm, const locale&) const 3513{ 3514#ifdef _LIBCPP_HAS_CATOPEN 3515 catalog __cat = (catalog)catopen(__nm.c_str(), NL_CAT_LOCALE); 3516 if (__cat != -1) 3517 __cat = static_cast<catalog>((static_cast<size_t>(__cat) >> 1)); 3518 return __cat; 3519#else // !_LIBCPP_HAS_CATOPEN 3520 (void)__nm; 3521 return -1; 3522#endif // _LIBCPP_HAS_CATOPEN 3523} 3524 3525template <class _CharT> 3526typename messages<_CharT>::string_type 3527messages<_CharT>::do_get(catalog __c, int __set, int __msgid, 3528 const string_type& __dflt) const 3529{ 3530#ifdef _LIBCPP_HAS_CATOPEN 3531 string __ndflt; 3532 __narrow_to_utf8<sizeof(char_type)*__CHAR_BIT__>()(std::back_inserter(__ndflt), 3533 __dflt.c_str(), 3534 __dflt.c_str() + __dflt.size()); 3535 if (__c != -1) 3536 __c <<= 1; 3537 nl_catd __cat = (nl_catd)__c; 3538 char* __n = catgets(__cat, __set, __msgid, __ndflt.c_str()); 3539 string_type __w; 3540 __widen_from_utf8<sizeof(char_type)*__CHAR_BIT__>()(std::back_inserter(__w), 3541 __n, __n + _VSTD::strlen(__n)); 3542 return __w; 3543#else // !_LIBCPP_HAS_CATOPEN 3544 (void)__c; 3545 (void)__set; 3546 (void)__msgid; 3547 return __dflt; 3548#endif // _LIBCPP_HAS_CATOPEN 3549} 3550 3551template <class _CharT> 3552void 3553messages<_CharT>::do_close(catalog __c) const 3554{ 3555#ifdef _LIBCPP_HAS_CATOPEN 3556 if (__c != -1) 3557 __c <<= 1; 3558 nl_catd __cat = (nl_catd)__c; 3559 catclose(__cat); 3560#else // !_LIBCPP_HAS_CATOPEN 3561 (void)__c; 3562#endif // _LIBCPP_HAS_CATOPEN 3563} 3564 3565extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages<char>; 3566#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3567extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages<wchar_t>; 3568#endif 3569 3570template <class _CharT> 3571class _LIBCPP_TEMPLATE_VIS messages_byname 3572 : public messages<_CharT> 3573{ 3574public: 3575 typedef messages_base::catalog catalog; 3576 typedef basic_string<_CharT> string_type; 3577 3578 _LIBCPP_INLINE_VISIBILITY 3579 explicit messages_byname(const char*, size_t __refs = 0) 3580 : messages<_CharT>(__refs) {} 3581 3582 _LIBCPP_INLINE_VISIBILITY 3583 explicit messages_byname(const string&, size_t __refs = 0) 3584 : messages<_CharT>(__refs) {} 3585 3586protected: 3587 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~messages_byname() override {} 3588}; 3589 3590extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages_byname<char>; 3591#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3592extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages_byname<wchar_t>; 3593#endif 3594 3595template<class _Codecvt, class _Elem = wchar_t, 3596 class _WideAlloc = allocator<_Elem>, 3597 class _ByteAlloc = allocator<char> > 3598class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wstring_convert 3599{ 3600public: 3601 typedef basic_string<char, char_traits<char>, _ByteAlloc> byte_string; 3602 typedef basic_string<_Elem, char_traits<_Elem>, _WideAlloc> wide_string; 3603 typedef typename _Codecvt::state_type state_type; 3604 typedef typename wide_string::traits_type::int_type int_type; 3605 3606private: 3607 byte_string __byte_err_string_; 3608 wide_string __wide_err_string_; 3609 _Codecvt* __cvtptr_; 3610 state_type __cvtstate_; 3611 size_t __cvtcount_; 3612 3613 wstring_convert(const wstring_convert& __wc); 3614 wstring_convert& operator=(const wstring_convert& __wc); 3615public: 3616#ifndef _LIBCPP_CXX03_LANG 3617 _LIBCPP_INLINE_VISIBILITY 3618 wstring_convert() : wstring_convert(new _Codecvt) {} 3619 _LIBCPP_INLINE_VISIBILITY 3620 explicit wstring_convert(_Codecvt* __pcvt); 3621#else 3622 _LIBCPP_INLINE_VISIBILITY 3623 _LIBCPP_EXPLICIT_SINCE_CXX14 3624 wstring_convert(_Codecvt* __pcvt = new _Codecvt); 3625#endif 3626 3627 _LIBCPP_INLINE_VISIBILITY 3628 wstring_convert(_Codecvt* __pcvt, state_type __state); 3629 _LIBCPP_EXPLICIT_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI wstring_convert(const byte_string& __byte_err, 3630 const wide_string& __wide_err = wide_string()); 3631#ifndef _LIBCPP_CXX03_LANG 3632 _LIBCPP_INLINE_VISIBILITY 3633 wstring_convert(wstring_convert&& __wc); 3634#endif 3635 _LIBCPP_HIDE_FROM_ABI ~wstring_convert(); 3636 3637 _LIBCPP_INLINE_VISIBILITY 3638 wide_string from_bytes(char __byte) 3639 {return from_bytes(&__byte, &__byte+1);} 3640 _LIBCPP_INLINE_VISIBILITY 3641 wide_string from_bytes(const char* __ptr) 3642 {return from_bytes(__ptr, __ptr + char_traits<char>::length(__ptr));} 3643 _LIBCPP_INLINE_VISIBILITY 3644 wide_string from_bytes(const byte_string& __str) 3645 {return from_bytes(__str.data(), __str.data() + __str.size());} 3646 _LIBCPP_HIDE_FROM_ABI wide_string from_bytes(const char* __first, const char* __last); 3647 3648 _LIBCPP_INLINE_VISIBILITY 3649 byte_string to_bytes(_Elem __wchar) 3650 {return to_bytes(&__wchar, &__wchar+1);} 3651 _LIBCPP_INLINE_VISIBILITY 3652 byte_string to_bytes(const _Elem* __wptr) 3653 {return to_bytes(__wptr, __wptr + char_traits<_Elem>::length(__wptr));} 3654 _LIBCPP_INLINE_VISIBILITY 3655 byte_string to_bytes(const wide_string& __wstr) 3656 {return to_bytes(__wstr.data(), __wstr.data() + __wstr.size());} 3657 _LIBCPP_HIDE_FROM_ABI byte_string to_bytes(const _Elem* __first, const _Elem* __last); 3658 3659 _LIBCPP_INLINE_VISIBILITY 3660 size_t converted() const _NOEXCEPT {return __cvtcount_;} 3661 _LIBCPP_INLINE_VISIBILITY 3662 state_type state() const {return __cvtstate_;} 3663}; 3664 3665_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3666template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3667inline 3668wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3669 wstring_convert(_Codecvt* __pcvt) 3670 : __cvtptr_(__pcvt), __cvtstate_(), __cvtcount_(0) 3671{ 3672} 3673_LIBCPP_SUPPRESS_DEPRECATED_POP 3674 3675template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3676inline 3677wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3678 wstring_convert(_Codecvt* __pcvt, state_type __state) 3679 : __cvtptr_(__pcvt), __cvtstate_(__state), __cvtcount_(0) 3680{ 3681} 3682 3683template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3684wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3685 wstring_convert(const byte_string& __byte_err, const wide_string& __wide_err) 3686 : __byte_err_string_(__byte_err), __wide_err_string_(__wide_err), 3687 __cvtstate_(), __cvtcount_(0) 3688{ 3689 __cvtptr_ = new _Codecvt; 3690} 3691 3692#ifndef _LIBCPP_CXX03_LANG 3693 3694template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3695inline 3696wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3697 wstring_convert(wstring_convert&& __wc) 3698 : __byte_err_string_(_VSTD::move(__wc.__byte_err_string_)), 3699 __wide_err_string_(_VSTD::move(__wc.__wide_err_string_)), 3700 __cvtptr_(__wc.__cvtptr_), 3701 __cvtstate_(__wc.__cvtstate_), __cvtcount_(__wc.__cvtcount_) 3702{ 3703 __wc.__cvtptr_ = nullptr; 3704} 3705 3706#endif // _LIBCPP_CXX03_LANG 3707 3708_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3709template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3710wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>::~wstring_convert() 3711{ 3712 delete __cvtptr_; 3713} 3714 3715template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3716typename wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>::wide_string 3717wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3718 from_bytes(const char* __frm, const char* __frm_end) 3719{ 3720_LIBCPP_SUPPRESS_DEPRECATED_POP 3721 __cvtcount_ = 0; 3722 if (__cvtptr_ != nullptr) 3723 { 3724 wide_string __ws(2*(__frm_end - __frm), _Elem()); 3725 if (__frm != __frm_end) 3726 __ws.resize(__ws.capacity()); 3727 codecvt_base::result __r = codecvt_base::ok; 3728 state_type __st = __cvtstate_; 3729 if (__frm != __frm_end) 3730 { 3731 _Elem* __to = &__ws[0]; 3732 _Elem* __to_end = __to + __ws.size(); 3733 const char* __frm_nxt; 3734 do 3735 { 3736 _Elem* __to_nxt; 3737 __r = __cvtptr_->in(__st, __frm, __frm_end, __frm_nxt, 3738 __to, __to_end, __to_nxt); 3739 __cvtcount_ += __frm_nxt - __frm; 3740 if (__frm_nxt == __frm) 3741 { 3742 __r = codecvt_base::error; 3743 } 3744 else if (__r == codecvt_base::noconv) 3745 { 3746 __ws.resize(__to - &__ws[0]); 3747 // This only gets executed if _Elem is char 3748 __ws.append((const _Elem*)__frm, (const _Elem*)__frm_end); 3749 __frm = __frm_nxt; 3750 __r = codecvt_base::ok; 3751 } 3752 else if (__r == codecvt_base::ok) 3753 { 3754 __ws.resize(__to_nxt - &__ws[0]); 3755 __frm = __frm_nxt; 3756 } 3757 else if (__r == codecvt_base::partial) 3758 { 3759 ptrdiff_t __s = __to_nxt - &__ws[0]; 3760 __ws.resize(2 * __s); 3761 __to = &__ws[0] + __s; 3762 __to_end = &__ws[0] + __ws.size(); 3763 __frm = __frm_nxt; 3764 } 3765 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3766 } 3767 if (__r == codecvt_base::ok) 3768 return __ws; 3769 } 3770 3771 if (__wide_err_string_.empty()) 3772 __throw_range_error("wstring_convert: from_bytes error"); 3773 3774 return __wide_err_string_; 3775} 3776 3777template<class _Codecvt, class _Elem, class _WideAlloc, class _ByteAlloc> 3778typename wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>::byte_string 3779wstring_convert<_Codecvt, _Elem, _WideAlloc, _ByteAlloc>:: 3780 to_bytes(const _Elem* __frm, const _Elem* __frm_end) 3781{ 3782 __cvtcount_ = 0; 3783 if (__cvtptr_ != nullptr) 3784 { 3785 byte_string __bs(2*(__frm_end - __frm), char()); 3786 if (__frm != __frm_end) 3787 __bs.resize(__bs.capacity()); 3788 codecvt_base::result __r = codecvt_base::ok; 3789 state_type __st = __cvtstate_; 3790 if (__frm != __frm_end) 3791 { 3792 char* __to = &__bs[0]; 3793 char* __to_end = __to + __bs.size(); 3794 const _Elem* __frm_nxt; 3795 do 3796 { 3797 char* __to_nxt; 3798 __r = __cvtptr_->out(__st, __frm, __frm_end, __frm_nxt, 3799 __to, __to_end, __to_nxt); 3800 __cvtcount_ += __frm_nxt - __frm; 3801 if (__frm_nxt == __frm) 3802 { 3803 __r = codecvt_base::error; 3804 } 3805 else if (__r == codecvt_base::noconv) 3806 { 3807 __bs.resize(__to - &__bs[0]); 3808 // This only gets executed if _Elem is char 3809 __bs.append((const char*)__frm, (const char*)__frm_end); 3810 __frm = __frm_nxt; 3811 __r = codecvt_base::ok; 3812 } 3813 else if (__r == codecvt_base::ok) 3814 { 3815 __bs.resize(__to_nxt - &__bs[0]); 3816 __frm = __frm_nxt; 3817 } 3818 else if (__r == codecvt_base::partial) 3819 { 3820 ptrdiff_t __s = __to_nxt - &__bs[0]; 3821 __bs.resize(2 * __s); 3822 __to = &__bs[0] + __s; 3823 __to_end = &__bs[0] + __bs.size(); 3824 __frm = __frm_nxt; 3825 } 3826 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3827 } 3828 if (__r == codecvt_base::ok) 3829 { 3830 size_t __s = __bs.size(); 3831 __bs.resize(__bs.capacity()); 3832 char* __to = &__bs[0] + __s; 3833 char* __to_end = __to + __bs.size(); 3834 do 3835 { 3836 char* __to_nxt; 3837 __r = __cvtptr_->unshift(__st, __to, __to_end, __to_nxt); 3838 if (__r == codecvt_base::noconv) 3839 { 3840 __bs.resize(__to - &__bs[0]); 3841 __r = codecvt_base::ok; 3842 } 3843 else if (__r == codecvt_base::ok) 3844 { 3845 __bs.resize(__to_nxt - &__bs[0]); 3846 } 3847 else if (__r == codecvt_base::partial) 3848 { 3849 ptrdiff_t __sp = __to_nxt - &__bs[0]; 3850 __bs.resize(2 * __sp); 3851 __to = &__bs[0] + __sp; 3852 __to_end = &__bs[0] + __bs.size(); 3853 } 3854 } while (__r == codecvt_base::partial); 3855 if (__r == codecvt_base::ok) 3856 return __bs; 3857 } 3858 } 3859 3860 if (__byte_err_string_.empty()) 3861 __throw_range_error("wstring_convert: to_bytes error"); 3862 3863 return __byte_err_string_; 3864} 3865 3866template <class _Codecvt, class _Elem = wchar_t, class _Tr = char_traits<_Elem> > 3867class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wbuffer_convert 3868 : public basic_streambuf<_Elem, _Tr> 3869{ 3870public: 3871 // types: 3872 typedef _Elem char_type; 3873 typedef _Tr traits_type; 3874 typedef typename traits_type::int_type int_type; 3875 typedef typename traits_type::pos_type pos_type; 3876 typedef typename traits_type::off_type off_type; 3877 typedef typename _Codecvt::state_type state_type; 3878 3879private: 3880 char* __extbuf_; 3881 const char* __extbufnext_; 3882 const char* __extbufend_; 3883 char __extbuf_min_[8]; 3884 size_t __ebs_; 3885 char_type* __intbuf_; 3886 size_t __ibs_; 3887 streambuf* __bufptr_; 3888 _Codecvt* __cv_; 3889 state_type __st_; 3890 ios_base::openmode __cm_; 3891 bool __owns_eb_; 3892 bool __owns_ib_; 3893 bool __always_noconv_; 3894 3895 wbuffer_convert(const wbuffer_convert&); 3896 wbuffer_convert& operator=(const wbuffer_convert&); 3897 3898public: 3899#ifndef _LIBCPP_CXX03_LANG 3900 _LIBCPP_HIDE_FROM_ABI wbuffer_convert() : wbuffer_convert(nullptr) {} 3901 explicit _LIBCPP_HIDE_FROM_ABI wbuffer_convert(streambuf* __bytebuf, 3902 _Codecvt* __pcvt = new _Codecvt, 3903 state_type __state = state_type()); 3904#else 3905 _LIBCPP_EXPLICIT_SINCE_CXX14 _LIBCPP_HIDE_FROM_ABI 3906 wbuffer_convert(streambuf* __bytebuf = nullptr, 3907 _Codecvt* __pcvt = new _Codecvt, 3908 state_type __state = state_type()); 3909#endif 3910 3911 _LIBCPP_HIDE_FROM_ABI ~wbuffer_convert(); 3912 3913 _LIBCPP_INLINE_VISIBILITY 3914 streambuf* rdbuf() const {return __bufptr_;} 3915 _LIBCPP_INLINE_VISIBILITY 3916 streambuf* rdbuf(streambuf* __bytebuf) 3917 { 3918 streambuf* __r = __bufptr_; 3919 __bufptr_ = __bytebuf; 3920 return __r; 3921 } 3922 3923 _LIBCPP_INLINE_VISIBILITY 3924 state_type state() const {return __st_;} 3925 3926protected: 3927 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual int_type underflow(); 3928 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual int_type pbackfail(int_type __c = traits_type::eof()); 3929 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual int_type overflow (int_type __c = traits_type::eof()); 3930 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, 3931 streamsize __n); 3932 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 3933 ios_base::openmode __wch = ios_base::in | ios_base::out); 3934 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual pos_type seekpos(pos_type __sp, 3935 ios_base::openmode __wch = ios_base::in | ios_base::out); 3936 _LIBCPP_HIDE_FROM_ABI_VIRTUAL virtual int sync(); 3937 3938private: 3939 _LIBCPP_HIDE_FROM_ABI_VIRTUAL bool __read_mode(); 3940 _LIBCPP_HIDE_FROM_ABI_VIRTUAL void __write_mode(); 3941 _LIBCPP_HIDE_FROM_ABI_VIRTUAL wbuffer_convert* __close(); 3942}; 3943 3944_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3945template <class _Codecvt, class _Elem, class _Tr> 3946wbuffer_convert<_Codecvt, _Elem, _Tr>:: 3947 wbuffer_convert(streambuf* __bytebuf, _Codecvt* __pcvt, state_type __state) 3948 : __extbuf_(nullptr), 3949 __extbufnext_(nullptr), 3950 __extbufend_(nullptr), 3951 __ebs_(0), 3952 __intbuf_(0), 3953 __ibs_(0), 3954 __bufptr_(__bytebuf), 3955 __cv_(__pcvt), 3956 __st_(__state), 3957 __cm_(0), 3958 __owns_eb_(false), 3959 __owns_ib_(false), 3960 __always_noconv_(__cv_ ? __cv_->always_noconv() : false) 3961{ 3962 setbuf(0, 4096); 3963} 3964 3965template <class _Codecvt, class _Elem, class _Tr> 3966wbuffer_convert<_Codecvt, _Elem, _Tr>::~wbuffer_convert() 3967{ 3968 __close(); 3969 delete __cv_; 3970 if (__owns_eb_) 3971 delete [] __extbuf_; 3972 if (__owns_ib_) 3973 delete [] __intbuf_; 3974} 3975 3976template <class _Codecvt, class _Elem, class _Tr> 3977typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 3978wbuffer_convert<_Codecvt, _Elem, _Tr>::underflow() 3979{ 3980_LIBCPP_SUPPRESS_DEPRECATED_POP 3981 if (__cv_ == 0 || __bufptr_ == 0) 3982 return traits_type::eof(); 3983 bool __initial = __read_mode(); 3984 char_type __1buf; 3985 if (this->gptr() == 0) 3986 this->setg(&__1buf, &__1buf+1, &__1buf+1); 3987 const size_t __unget_sz = __initial ? 0 : std::min<size_t>((this->egptr() - this->eback()) / 2, 4); 3988 int_type __c = traits_type::eof(); 3989 if (this->gptr() == this->egptr()) 3990 { 3991 _VSTD::memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 3992 if (__always_noconv_) 3993 { 3994 streamsize __nmemb = static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz); 3995 __nmemb = __bufptr_->sgetn((char*)this->eback() + __unget_sz, __nmemb); 3996 if (__nmemb != 0) 3997 { 3998 this->setg(this->eback(), 3999 this->eback() + __unget_sz, 4000 this->eback() + __unget_sz + __nmemb); 4001 __c = *this->gptr(); 4002 } 4003 } 4004 else 4005 { 4006 if (__extbufend_ != __extbufnext_) { 4007 _LIBCPP_ASSERT_UNCATEGORIZED(__extbufnext_ != nullptr, "underflow moving from nullptr"); 4008 _LIBCPP_ASSERT_UNCATEGORIZED(__extbuf_ != nullptr, "underflow moving into nullptr"); 4009 _VSTD::memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 4010 } 4011 __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 4012 __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 4013 streamsize __nmemb = _VSTD::min(static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz), 4014 static_cast<streamsize>(__extbufend_ - __extbufnext_)); 4015 codecvt_base::result __r; 4016 // FIXME: Do we ever need to restore the state here? 4017 //state_type __svs = __st_; 4018 streamsize __nr = __bufptr_->sgetn(const_cast<char*>(__extbufnext_), __nmemb); 4019 if (__nr != 0) 4020 { 4021 __extbufend_ = __extbufnext_ + __nr; 4022 char_type* __inext; 4023 __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 4024 this->eback() + __unget_sz, 4025 this->egptr(), __inext); 4026 if (__r == codecvt_base::noconv) 4027 { 4028 this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, 4029 (char_type*) const_cast<char *>(__extbufend_)); 4030 __c = *this->gptr(); 4031 } 4032 else if (__inext != this->eback() + __unget_sz) 4033 { 4034 this->setg(this->eback(), this->eback() + __unget_sz, __inext); 4035 __c = *this->gptr(); 4036 } 4037 } 4038 } 4039 } 4040 else 4041 __c = *this->gptr(); 4042 if (this->eback() == &__1buf) 4043 this->setg(0, 0, 0); 4044 return __c; 4045} 4046 4047_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4048template <class _Codecvt, class _Elem, class _Tr> 4049typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4050wbuffer_convert<_Codecvt, _Elem, _Tr>::pbackfail(int_type __c) 4051{ 4052_LIBCPP_SUPPRESS_DEPRECATED_POP 4053 if (__cv_ != 0 && __bufptr_ != 0 && this->eback() < this->gptr()) 4054 { 4055 if (traits_type::eq_int_type(__c, traits_type::eof())) 4056 { 4057 this->gbump(-1); 4058 return traits_type::not_eof(__c); 4059 } 4060 if (traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 4061 { 4062 this->gbump(-1); 4063 *this->gptr() = traits_type::to_char_type(__c); 4064 return __c; 4065 } 4066 } 4067 return traits_type::eof(); 4068} 4069 4070_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4071template <class _Codecvt, class _Elem, class _Tr> 4072typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4073wbuffer_convert<_Codecvt, _Elem, _Tr>::overflow(int_type __c) 4074{ 4075_LIBCPP_SUPPRESS_DEPRECATED_POP 4076 if (__cv_ == 0 || __bufptr_ == 0) 4077 return traits_type::eof(); 4078 __write_mode(); 4079 char_type __1buf; 4080 char_type* __pb_save = this->pbase(); 4081 char_type* __epb_save = this->epptr(); 4082 if (!traits_type::eq_int_type(__c, traits_type::eof())) 4083 { 4084 if (this->pptr() == 0) 4085 this->setp(&__1buf, &__1buf+1); 4086 *this->pptr() = traits_type::to_char_type(__c); 4087 this->pbump(1); 4088 } 4089 if (this->pptr() != this->pbase()) 4090 { 4091 if (__always_noconv_) 4092 { 4093 streamsize __nmemb = static_cast<streamsize>(this->pptr() - this->pbase()); 4094 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4095 return traits_type::eof(); 4096 } 4097 else 4098 { 4099 char* __extbe = __extbuf_; 4100 codecvt_base::result __r; 4101 do 4102 { 4103 const char_type* __e; 4104 __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 4105 __extbuf_, __extbuf_ + __ebs_, __extbe); 4106 if (__e == this->pbase()) 4107 return traits_type::eof(); 4108 if (__r == codecvt_base::noconv) 4109 { 4110 streamsize __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 4111 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4112 return traits_type::eof(); 4113 } 4114 else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 4115 { 4116 streamsize __nmemb = static_cast<size_t>(__extbe - __extbuf_); 4117 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4118 return traits_type::eof(); 4119 if (__r == codecvt_base::partial) 4120 { 4121 this->setp(const_cast<char_type *>(__e), this->pptr()); 4122 this->__pbump(this->epptr() - this->pbase()); 4123 } 4124 } 4125 else 4126 return traits_type::eof(); 4127 } while (__r == codecvt_base::partial); 4128 } 4129 this->setp(__pb_save, __epb_save); 4130 } 4131 return traits_type::not_eof(__c); 4132} 4133 4134_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4135template <class _Codecvt, class _Elem, class _Tr> 4136basic_streambuf<_Elem, _Tr>* 4137wbuffer_convert<_Codecvt, _Elem, _Tr>::setbuf(char_type* __s, streamsize __n) 4138{ 4139_LIBCPP_SUPPRESS_DEPRECATED_POP 4140 this->setg(0, 0, 0); 4141 this->setp(0, 0); 4142 if (__owns_eb_) 4143 delete [] __extbuf_; 4144 if (__owns_ib_) 4145 delete [] __intbuf_; 4146 __ebs_ = __n; 4147 if (__ebs_ > sizeof(__extbuf_min_)) 4148 { 4149 if (__always_noconv_ && __s) 4150 { 4151 __extbuf_ = (char*)__s; 4152 __owns_eb_ = false; 4153 } 4154 else 4155 { 4156 __extbuf_ = new char[__ebs_]; 4157 __owns_eb_ = true; 4158 } 4159 } 4160 else 4161 { 4162 __extbuf_ = __extbuf_min_; 4163 __ebs_ = sizeof(__extbuf_min_); 4164 __owns_eb_ = false; 4165 } 4166 if (!__always_noconv_) 4167 { 4168 __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 4169 if (__s && __ibs_ >= sizeof(__extbuf_min_)) 4170 { 4171 __intbuf_ = __s; 4172 __owns_ib_ = false; 4173 } 4174 else 4175 { 4176 __intbuf_ = new char_type[__ibs_]; 4177 __owns_ib_ = true; 4178 } 4179 } 4180 else 4181 { 4182 __ibs_ = 0; 4183 __intbuf_ = 0; 4184 __owns_ib_ = false; 4185 } 4186 return this; 4187} 4188 4189_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4190template <class _Codecvt, class _Elem, class _Tr> 4191typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4192wbuffer_convert<_Codecvt, _Elem, _Tr>::seekoff(off_type __off, ios_base::seekdir __way, 4193 ios_base::openmode __om) 4194{ 4195 int __width = __cv_->encoding(); 4196 if (__cv_ == 0 || __bufptr_ == 0 || (__width <= 0 && __off != 0) || sync()) 4197 return pos_type(off_type(-1)); 4198 // __width > 0 || __off == 0, now check __way 4199 if (__way != ios_base::beg && __way != ios_base::cur && __way != ios_base::end) 4200 return pos_type(off_type(-1)); 4201 pos_type __r = __bufptr_->pubseekoff(__width * __off, __way, __om); 4202 __r.state(__st_); 4203 return __r; 4204} 4205 4206template <class _Codecvt, class _Elem, class _Tr> 4207typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4208wbuffer_convert<_Codecvt, _Elem, _Tr>::seekpos(pos_type __sp, ios_base::openmode __wch) 4209{ 4210 if (__cv_ == 0 || __bufptr_ == 0 || sync()) 4211 return pos_type(off_type(-1)); 4212 if (__bufptr_->pubseekpos(__sp, __wch) == pos_type(off_type(-1))) 4213 return pos_type(off_type(-1)); 4214 return __sp; 4215} 4216 4217template <class _Codecvt, class _Elem, class _Tr> 4218int 4219wbuffer_convert<_Codecvt, _Elem, _Tr>::sync() 4220{ 4221_LIBCPP_SUPPRESS_DEPRECATED_POP 4222 if (__cv_ == 0 || __bufptr_ == 0) 4223 return 0; 4224 if (__cm_ & ios_base::out) 4225 { 4226 if (this->pptr() != this->pbase()) 4227 if (overflow() == traits_type::eof()) 4228 return -1; 4229 codecvt_base::result __r; 4230 do 4231 { 4232 char* __extbe; 4233 __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 4234 streamsize __nmemb = static_cast<streamsize>(__extbe - __extbuf_); 4235 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4236 return -1; 4237 } while (__r == codecvt_base::partial); 4238 if (__r == codecvt_base::error) 4239 return -1; 4240 if (__bufptr_->pubsync()) 4241 return -1; 4242 } 4243 else if (__cm_ & ios_base::in) 4244 { 4245 off_type __c; 4246 if (__always_noconv_) 4247 __c = this->egptr() - this->gptr(); 4248 else 4249 { 4250 int __width = __cv_->encoding(); 4251 __c = __extbufend_ - __extbufnext_; 4252 if (__width > 0) 4253 __c += __width * (this->egptr() - this->gptr()); 4254 else 4255 { 4256 if (this->gptr() != this->egptr()) 4257 { 4258 std::reverse(this->gptr(), this->egptr()); 4259 codecvt_base::result __r; 4260 const char_type* __e = this->gptr(); 4261 char* __extbe; 4262 do 4263 { 4264 __r = __cv_->out(__st_, __e, this->egptr(), __e, 4265 __extbuf_, __extbuf_ + __ebs_, __extbe); 4266 switch (__r) 4267 { 4268 case codecvt_base::noconv: 4269 __c += this->egptr() - this->gptr(); 4270 break; 4271 case codecvt_base::ok: 4272 case codecvt_base::partial: 4273 __c += __extbe - __extbuf_; 4274 break; 4275 default: 4276 return -1; 4277 } 4278 } while (__r == codecvt_base::partial); 4279 } 4280 } 4281 } 4282 if (__bufptr_->pubseekoff(-__c, ios_base::cur, __cm_) == pos_type(off_type(-1))) 4283 return -1; 4284 this->setg(0, 0, 0); 4285 __cm_ = 0; 4286 } 4287 return 0; 4288} 4289 4290_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4291template <class _Codecvt, class _Elem, class _Tr> 4292bool 4293wbuffer_convert<_Codecvt, _Elem, _Tr>::__read_mode() 4294{ 4295 if (!(__cm_ & ios_base::in)) 4296 { 4297 this->setp(0, 0); 4298 if (__always_noconv_) 4299 this->setg((char_type*)__extbuf_, 4300 (char_type*)__extbuf_ + __ebs_, 4301 (char_type*)__extbuf_ + __ebs_); 4302 else 4303 this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 4304 __cm_ = ios_base::in; 4305 return true; 4306 } 4307 return false; 4308} 4309 4310template <class _Codecvt, class _Elem, class _Tr> 4311void 4312wbuffer_convert<_Codecvt, _Elem, _Tr>::__write_mode() 4313{ 4314 if (!(__cm_ & ios_base::out)) 4315 { 4316 this->setg(0, 0, 0); 4317 if (__ebs_ > sizeof(__extbuf_min_)) 4318 { 4319 if (__always_noconv_) 4320 this->setp((char_type*)__extbuf_, 4321 (char_type*)__extbuf_ + (__ebs_ - 1)); 4322 else 4323 this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 4324 } 4325 else 4326 this->setp(0, 0); 4327 __cm_ = ios_base::out; 4328 } 4329} 4330 4331template <class _Codecvt, class _Elem, class _Tr> 4332wbuffer_convert<_Codecvt, _Elem, _Tr>* 4333wbuffer_convert<_Codecvt, _Elem, _Tr>::__close() 4334{ 4335 wbuffer_convert* __rt = nullptr; 4336 if (__cv_ != nullptr && __bufptr_ != nullptr) 4337 { 4338 __rt = this; 4339 if ((__cm_ & ios_base::out) && sync()) 4340 __rt = nullptr; 4341 } 4342 return __rt; 4343} 4344 4345_LIBCPP_SUPPRESS_DEPRECATED_POP 4346 4347_LIBCPP_END_NAMESPACE_STD 4348 4349_LIBCPP_POP_MACROS 4350 4351// NOLINTEND(libcpp-robust-against-adl) 4352 4353#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 4354# include <atomic> 4355# include <concepts> 4356# include <cstdarg> 4357# include <iterator> 4358# include <stdexcept> 4359# include <type_traits> 4360# include <typeinfo> 4361#endif 4362 4363#endif // _LIBCPP_LOCALE 4364