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; 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 <__debug> 199#include <__iterator/access.h> 200#include <__iterator/back_insert_iterator.h> 201#include <__iterator/istreambuf_iterator.h> 202#include <__iterator/ostreambuf_iterator.h> 203#include <__locale> 204#include <__memory/unique_ptr.h> 205#include <cstdio> 206#include <cstdlib> 207#include <ctime> 208#include <ios> 209#include <limits> 210#include <new> 211#include <streambuf> 212#include <version> 213 214// TODO: Fix __bsd_locale_defaults.h 215// NOLINTBEGIN(libcpp-robust-against-adl) 216 217#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) 218// Most unix variants have catopen. These are the specific ones that don't. 219# if !defined(__BIONIC__) && !defined(_NEWLIB_VERSION) && !defined(__EMSCRIPTEN__) 220# define _LIBCPP_HAS_CATOPEN 1 221# include <nl_types.h> 222# endif 223#endif 224 225#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 226#include <__bsd_locale_defaults.h> 227#else 228#include <__bsd_locale_fallbacks.h> 229#endif 230 231#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 232# pragma GCC system_header 233#endif 234 235_LIBCPP_PUSH_MACROS 236#include <__undef_macros> 237 238 239_LIBCPP_BEGIN_NAMESPACE_STD 240 241#if defined(__APPLE__) || defined(__FreeBSD__) 242# define _LIBCPP_GET_C_LOCALE 0 243#elif defined(__NetBSD__) 244# define _LIBCPP_GET_C_LOCALE LC_C_LOCALE 245#else 246# define _LIBCPP_GET_C_LOCALE __cloc() 247 // Get the C locale object 248 _LIBCPP_FUNC_VIS locale_t __cloc(); 249#define __cloc_defined 250#endif 251 252// __scan_keyword 253// Scans [__b, __e) until a match is found in the basic_strings range 254// [__kb, __ke) or until it can be shown that there is no match in [__kb, __ke). 255// __b will be incremented (visibly), consuming CharT until a match is found 256// or proved to not exist. A keyword may be "", in which will match anything. 257// If one keyword is a prefix of another, and the next CharT in the input 258// might match another keyword, the algorithm will attempt to find the longest 259// matching keyword. If the longer matching keyword ends up not matching, then 260// no keyword match is found. If no keyword match is found, __ke is returned 261// and failbit is set in __err. 262// Else an iterator pointing to the matching keyword is found. If more than 263// one keyword matches, an iterator to the first matching keyword is returned. 264// If on exit __b == __e, eofbit is set in __err. If __case_sensitive is false, 265// __ct is used to force to lower case before comparing characters. 266// Examples: 267// Keywords: "a", "abb" 268// If the input is "a", the first keyword matches and eofbit is set. 269// If the input is "abc", no match is found and "ab" are consumed. 270template <class _InputIterator, class _ForwardIterator, class _Ctype> 271_LIBCPP_HIDE_FROM_ABI 272_ForwardIterator 273__scan_keyword(_InputIterator& __b, _InputIterator __e, 274 _ForwardIterator __kb, _ForwardIterator __ke, 275 const _Ctype& __ct, ios_base::iostate& __err, 276 bool __case_sensitive = true) 277{ 278 typedef typename iterator_traits<_InputIterator>::value_type _CharT; 279 size_t __nkw = static_cast<size_t>(_VSTD::distance(__kb, __ke)); 280 const unsigned char __doesnt_match = '\0'; 281 const unsigned char __might_match = '\1'; 282 const unsigned char __does_match = '\2'; 283 unsigned char __statbuf[100]; 284 unsigned char* __status = __statbuf; 285 unique_ptr<unsigned char, void(*)(void*)> __stat_hold(nullptr, free); 286 if (__nkw > sizeof(__statbuf)) 287 { 288 __status = (unsigned char*)malloc(__nkw); 289 if (__status == nullptr) 290 __throw_bad_alloc(); 291 __stat_hold.reset(__status); 292 } 293 size_t __n_might_match = __nkw; // At this point, any keyword might match 294 size_t __n_does_match = 0; // but none of them definitely do 295 // Initialize all statuses to __might_match, except for "" keywords are __does_match 296 unsigned char* __st = __status; 297 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 298 { 299 if (!__ky->empty()) 300 *__st = __might_match; 301 else 302 { 303 *__st = __does_match; 304 --__n_might_match; 305 ++__n_does_match; 306 } 307 } 308 // While there might be a match, test keywords against the next CharT 309 for (size_t __indx = 0; __b != __e && __n_might_match > 0; ++__indx) 310 { 311 // Peek at the next CharT but don't consume it 312 _CharT __c = *__b; 313 if (!__case_sensitive) 314 __c = __ct.toupper(__c); 315 bool __consume = false; 316 // For each keyword which might match, see if the __indx character is __c 317 // If a match if found, consume __c 318 // If a match is found, and that is the last character in the keyword, 319 // then that keyword matches. 320 // If the keyword doesn't match this character, then change the keyword 321 // to doesn't match 322 __st = __status; 323 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 324 { 325 if (*__st == __might_match) 326 { 327 _CharT __kc = (*__ky)[__indx]; 328 if (!__case_sensitive) 329 __kc = __ct.toupper(__kc); 330 if (__c == __kc) 331 { 332 __consume = true; 333 if (__ky->size() == __indx+1) 334 { 335 *__st = __does_match; 336 --__n_might_match; 337 ++__n_does_match; 338 } 339 } 340 else 341 { 342 *__st = __doesnt_match; 343 --__n_might_match; 344 } 345 } 346 } 347 // consume if we matched a character 348 if (__consume) 349 { 350 ++__b; 351 // If we consumed a character and there might be a matched keyword that 352 // was marked matched on a previous iteration, then such keywords 353 // which are now marked as not matching. 354 if (__n_might_match + __n_does_match > 1) 355 { 356 __st = __status; 357 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 358 { 359 if (*__st == __does_match && __ky->size() != __indx+1) 360 { 361 *__st = __doesnt_match; 362 --__n_does_match; 363 } 364 } 365 } 366 } 367 } 368 // We've exited the loop because we hit eof and/or we have no more "might matches". 369 if (__b == __e) 370 __err |= ios_base::eofbit; 371 // Return the first matching result 372 for (__st = __status; __kb != __ke; ++__kb, (void) ++__st) 373 if (*__st == __does_match) 374 break; 375 if (__kb == __ke) 376 __err |= ios_base::failbit; 377 return __kb; 378} 379 380struct _LIBCPP_TYPE_VIS __num_get_base 381{ 382 static const int __num_get_buf_sz = 40; 383 384 static int __get_base(ios_base&); 385 static const char __src[33]; 386}; 387 388_LIBCPP_FUNC_VIS 389void __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_TYPE_VIS __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#ifdef _LIBCPP_ENABLE_DEBUG_MODE 1468 string_type __tmp(__v ? __np.truename() : __np.falsename()); 1469 string_type __nm = _VSTD::move(__tmp); 1470#else 1471 string_type __nm = __v ? __np.truename() : __np.falsename(); 1472#endif 1473 for (typename string_type::iterator __i = __nm.begin(); __i != __nm.end(); ++__i, ++__s) 1474 *__s = *__i; 1475 return __s; 1476} 1477 1478template <class _CharT, class _OutputIterator> 1479template <class _Integral> 1480_LIBCPP_HIDE_FROM_ABI inline 1481_OutputIterator 1482num_put<_CharT, _OutputIterator>::__do_put_integral(iter_type __s, ios_base& __iob, 1483 char_type __fl, _Integral __v, 1484 char const* __len) const 1485{ 1486 // Stage 1 - Get number in narrow char 1487 char __fmt[8] = {'%', 0}; 1488 this->__format_int(__fmt+1, __len, is_signed<_Integral>::value, __iob.flags()); 1489 // Worst case is octal, with showbase enabled. Note that octal is always 1490 // printed as an unsigned value. 1491 using _Unsigned = typename make_unsigned<_Integral>::type; 1492 _LIBCPP_CONSTEXPR const unsigned __nbuf 1493 = (numeric_limits<_Unsigned>::digits / 3) // 1 char per 3 bits 1494 + ((numeric_limits<_Unsigned>::digits % 3) != 0) // round up 1495 + 2; // base prefix + terminating null character 1496 char __nar[__nbuf]; 1497 _LIBCPP_DIAGNOSTIC_PUSH 1498 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1499 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1500 int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1501 _LIBCPP_DIAGNOSTIC_POP 1502 char* __ne = __nar + __nc; 1503 char* __np = this->__identify_padding(__nar, __ne, __iob); 1504 // Stage 2 - Widen __nar while adding thousands separators 1505 char_type __o[2*(__nbuf-1) - 1]; 1506 char_type* __op; // pad here 1507 char_type* __oe; // end of output 1508 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1509 // [__o, __oe) contains thousands_sep'd wide number 1510 // Stage 3 & 4 1511 return std::__pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1512} 1513 1514template <class _CharT, class _OutputIterator> 1515_OutputIterator 1516num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1517 char_type __fl, long __v) const 1518{ 1519 return this->__do_put_integral(__s, __iob, __fl, __v, "l"); 1520} 1521 1522template <class _CharT, class _OutputIterator> 1523_OutputIterator 1524num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1525 char_type __fl, long long __v) const 1526{ 1527 return this->__do_put_integral(__s, __iob, __fl, __v, "ll"); 1528} 1529 1530template <class _CharT, class _OutputIterator> 1531_OutputIterator 1532num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1533 char_type __fl, unsigned long __v) const 1534{ 1535 return this->__do_put_integral(__s, __iob, __fl, __v, "l"); 1536} 1537 1538template <class _CharT, class _OutputIterator> 1539_OutputIterator 1540num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1541 char_type __fl, unsigned long long __v) const 1542{ 1543 return this->__do_put_integral(__s, __iob, __fl, __v, "ll"); 1544} 1545 1546template <class _CharT, class _OutputIterator> 1547template <class _Float> 1548_LIBCPP_HIDE_FROM_ABI inline 1549_OutputIterator 1550num_put<_CharT, _OutputIterator>::__do_put_floating_point(iter_type __s, ios_base& __iob, 1551 char_type __fl, _Float __v, 1552 char const* __len) const 1553{ 1554 // Stage 1 - Get number in narrow char 1555 char __fmt[8] = {'%', 0}; 1556 bool __specify_precision = this->__format_float(__fmt+1, __len, __iob.flags()); 1557 const unsigned __nbuf = 30; 1558 char __nar[__nbuf]; 1559 char* __nb = __nar; 1560 int __nc; 1561 _LIBCPP_DIAGNOSTIC_PUSH 1562 _LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1563 _LIBCPP_GCC_DIAGNOSTIC_IGNORED("-Wformat-nonliteral") 1564 if (__specify_precision) 1565 __nc = __libcpp_snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, 1566 (int)__iob.precision(), __v); 1567 else 1568 __nc = __libcpp_snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1569 unique_ptr<char, void(*)(void*)> __nbh(nullptr, free); 1570 if (__nc > static_cast<int>(__nbuf-1)) 1571 { 1572 if (__specify_precision) 1573 __nc = __libcpp_asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, (int)__iob.precision(), __v); 1574 else 1575 __nc = __libcpp_asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1576 if (__nc == -1) 1577 __throw_bad_alloc(); 1578 __nbh.reset(__nb); 1579 } 1580 _LIBCPP_DIAGNOSTIC_POP 1581 char* __ne = __nb + __nc; 1582 char* __np = this->__identify_padding(__nb, __ne, __iob); 1583 // Stage 2 - Widen __nar while adding thousands separators 1584 char_type __o[2*(__nbuf-1) - 1]; 1585 char_type* __ob = __o; 1586 unique_ptr<char_type, void(*)(void*)> __obh(0, free); 1587 if (__nb != __nar) 1588 { 1589 __ob = (char_type*)malloc(2*static_cast<size_t>(__nc)*sizeof(char_type)); 1590 if (__ob == 0) 1591 __throw_bad_alloc(); 1592 __obh.reset(__ob); 1593 } 1594 char_type* __op; // pad here 1595 char_type* __oe; // end of output 1596 this->__widen_and_group_float(__nb, __np, __ne, __ob, __op, __oe, __iob.getloc()); 1597 // [__o, __oe) contains thousands_sep'd wide number 1598 // Stage 3 & 4 1599 __s = std::__pad_and_output(__s, __ob, __op, __oe, __iob, __fl); 1600 return __s; 1601} 1602 1603template <class _CharT, class _OutputIterator> 1604_OutputIterator 1605num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1606 char_type __fl, double __v) const 1607{ 1608 return this->__do_put_floating_point(__s, __iob, __fl, __v, ""); 1609} 1610 1611template <class _CharT, class _OutputIterator> 1612_OutputIterator 1613num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1614 char_type __fl, long double __v) const 1615{ 1616 return this->__do_put_floating_point(__s, __iob, __fl, __v, "L"); 1617} 1618 1619template <class _CharT, class _OutputIterator> 1620_OutputIterator 1621num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1622 char_type __fl, const void* __v) const 1623{ 1624 // Stage 1 - Get pointer in narrow char 1625 const unsigned __nbuf = 20; 1626 char __nar[__nbuf]; 1627 int __nc = __libcpp_snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, "%p", __v); 1628 char* __ne = __nar + __nc; 1629 char* __np = this->__identify_padding(__nar, __ne, __iob); 1630 // Stage 2 - Widen __nar 1631 char_type __o[2*(__nbuf-1) - 1]; 1632 char_type* __op; // pad here 1633 char_type* __oe; // end of output 1634 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 1635 __ct.widen(__nar, __ne, __o); 1636 __oe = __o + (__ne - __nar); 1637 if (__np == __ne) 1638 __op = __oe; 1639 else 1640 __op = __o + (__np - __nar); 1641 // [__o, __oe) contains wide number 1642 // Stage 3 & 4 1643 return std::__pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1644} 1645 1646extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_put<char>; 1647#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1648extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS num_put<wchar_t>; 1649#endif 1650 1651template <class _CharT, class _InputIterator> 1652_LIBCPP_HIDE_FROM_ABI 1653int 1654__get_up_to_n_digits(_InputIterator& __b, _InputIterator __e, 1655 ios_base::iostate& __err, const ctype<_CharT>& __ct, int __n) 1656{ 1657 // Precondition: __n >= 1 1658 if (__b == __e) 1659 { 1660 __err |= ios_base::eofbit | ios_base::failbit; 1661 return 0; 1662 } 1663 // get first digit 1664 _CharT __c = *__b; 1665 if (!__ct.is(ctype_base::digit, __c)) 1666 { 1667 __err |= ios_base::failbit; 1668 return 0; 1669 } 1670 int __r = __ct.narrow(__c, 0) - '0'; 1671 for (++__b, (void) --__n; __b != __e && __n > 0; ++__b, (void) --__n) 1672 { 1673 // get next digit 1674 __c = *__b; 1675 if (!__ct.is(ctype_base::digit, __c)) 1676 return __r; 1677 __r = __r * 10 + __ct.narrow(__c, 0) - '0'; 1678 } 1679 if (__b == __e) 1680 __err |= ios_base::eofbit; 1681 return __r; 1682} 1683 1684class _LIBCPP_TYPE_VIS time_base 1685{ 1686public: 1687 enum dateorder {no_order, dmy, mdy, ymd, ydm}; 1688}; 1689 1690template <class _CharT> 1691class _LIBCPP_TEMPLATE_VIS __time_get_c_storage 1692{ 1693protected: 1694 typedef basic_string<_CharT> string_type; 1695 1696 virtual const string_type* __weeks() const; 1697 virtual const string_type* __months() const; 1698 virtual const string_type* __am_pm() const; 1699 virtual const string_type& __c() const; 1700 virtual const string_type& __r() const; 1701 virtual const string_type& __x() const; 1702 virtual const string_type& __X() const; 1703 1704 _LIBCPP_INLINE_VISIBILITY 1705 ~__time_get_c_storage() {} 1706}; 1707 1708template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__weeks() const; 1709template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__months() const; 1710template <> _LIBCPP_FUNC_VIS const string* __time_get_c_storage<char>::__am_pm() const; 1711template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__c() const; 1712template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__r() const; 1713template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__x() const; 1714template <> _LIBCPP_FUNC_VIS const string& __time_get_c_storage<char>::__X() const; 1715 1716#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 1717template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__weeks() const; 1718template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__months() const; 1719template <> _LIBCPP_FUNC_VIS const wstring* __time_get_c_storage<wchar_t>::__am_pm() const; 1720template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__c() const; 1721template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__r() const; 1722template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__x() const; 1723template <> _LIBCPP_FUNC_VIS const wstring& __time_get_c_storage<wchar_t>::__X() const; 1724#endif 1725 1726template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 1727class _LIBCPP_TEMPLATE_VIS time_get 1728 : public locale::facet, 1729 public time_base, 1730 private __time_get_c_storage<_CharT> 1731{ 1732public: 1733 typedef _CharT char_type; 1734 typedef _InputIterator iter_type; 1735 typedef time_base::dateorder dateorder; 1736 typedef basic_string<char_type> string_type; 1737 1738 _LIBCPP_INLINE_VISIBILITY 1739 explicit time_get(size_t __refs = 0) 1740 : locale::facet(__refs) {} 1741 1742 _LIBCPP_INLINE_VISIBILITY 1743 dateorder date_order() const 1744 { 1745 return this->do_date_order(); 1746 } 1747 1748 _LIBCPP_INLINE_VISIBILITY 1749 iter_type get_time(iter_type __b, iter_type __e, ios_base& __iob, 1750 ios_base::iostate& __err, tm* __tm) const 1751 { 1752 return do_get_time(__b, __e, __iob, __err, __tm); 1753 } 1754 1755 _LIBCPP_INLINE_VISIBILITY 1756 iter_type get_date(iter_type __b, iter_type __e, ios_base& __iob, 1757 ios_base::iostate& __err, tm* __tm) const 1758 { 1759 return do_get_date(__b, __e, __iob, __err, __tm); 1760 } 1761 1762 _LIBCPP_INLINE_VISIBILITY 1763 iter_type get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1764 ios_base::iostate& __err, tm* __tm) const 1765 { 1766 return do_get_weekday(__b, __e, __iob, __err, __tm); 1767 } 1768 1769 _LIBCPP_INLINE_VISIBILITY 1770 iter_type get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1771 ios_base::iostate& __err, tm* __tm) const 1772 { 1773 return do_get_monthname(__b, __e, __iob, __err, __tm); 1774 } 1775 1776 _LIBCPP_INLINE_VISIBILITY 1777 iter_type get_year(iter_type __b, iter_type __e, ios_base& __iob, 1778 ios_base::iostate& __err, tm* __tm) const 1779 { 1780 return do_get_year(__b, __e, __iob, __err, __tm); 1781 } 1782 1783 _LIBCPP_INLINE_VISIBILITY 1784 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1785 ios_base::iostate& __err, tm *__tm, 1786 char __fmt, char __mod = 0) const 1787 { 1788 return do_get(__b, __e, __iob, __err, __tm, __fmt, __mod); 1789 } 1790 1791 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1792 ios_base::iostate& __err, tm* __tm, 1793 const char_type* __fmtb, const char_type* __fmte) const; 1794 1795 static locale::id id; 1796 1797protected: 1798 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_get() override {} 1799 1800 virtual dateorder do_date_order() const; 1801 virtual iter_type do_get_time(iter_type __b, iter_type __e, ios_base& __iob, 1802 ios_base::iostate& __err, tm* __tm) const; 1803 virtual iter_type do_get_date(iter_type __b, iter_type __e, ios_base& __iob, 1804 ios_base::iostate& __err, tm* __tm) const; 1805 virtual iter_type do_get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1806 ios_base::iostate& __err, tm* __tm) const; 1807 virtual iter_type do_get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1808 ios_base::iostate& __err, tm* __tm) const; 1809 virtual iter_type do_get_year(iter_type __b, iter_type __e, ios_base& __iob, 1810 ios_base::iostate& __err, tm* __tm) const; 1811 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 1812 ios_base::iostate& __err, tm* __tm, 1813 char __fmt, char __mod) const; 1814private: 1815 void __get_white_space(iter_type& __b, iter_type __e, 1816 ios_base::iostate& __err, const ctype<char_type>& __ct) const; 1817 void __get_percent(iter_type& __b, iter_type __e, ios_base::iostate& __err, 1818 const ctype<char_type>& __ct) const; 1819 1820 void __get_weekdayname(int& __m, 1821 iter_type& __b, iter_type __e, 1822 ios_base::iostate& __err, 1823 const ctype<char_type>& __ct) const; 1824 void __get_monthname(int& __m, 1825 iter_type& __b, iter_type __e, 1826 ios_base::iostate& __err, 1827 const ctype<char_type>& __ct) const; 1828 void __get_day(int& __d, 1829 iter_type& __b, iter_type __e, 1830 ios_base::iostate& __err, 1831 const ctype<char_type>& __ct) const; 1832 void __get_month(int& __m, 1833 iter_type& __b, iter_type __e, 1834 ios_base::iostate& __err, 1835 const ctype<char_type>& __ct) const; 1836 void __get_year(int& __y, 1837 iter_type& __b, iter_type __e, 1838 ios_base::iostate& __err, 1839 const ctype<char_type>& __ct) const; 1840 void __get_year4(int& __y, 1841 iter_type& __b, iter_type __e, 1842 ios_base::iostate& __err, 1843 const ctype<char_type>& __ct) const; 1844 void __get_hour(int& __d, 1845 iter_type& __b, iter_type __e, 1846 ios_base::iostate& __err, 1847 const ctype<char_type>& __ct) const; 1848 void __get_12_hour(int& __h, 1849 iter_type& __b, iter_type __e, 1850 ios_base::iostate& __err, 1851 const ctype<char_type>& __ct) const; 1852 void __get_am_pm(int& __h, 1853 iter_type& __b, iter_type __e, 1854 ios_base::iostate& __err, 1855 const ctype<char_type>& __ct) const; 1856 void __get_minute(int& __m, 1857 iter_type& __b, iter_type __e, 1858 ios_base::iostate& __err, 1859 const ctype<char_type>& __ct) const; 1860 void __get_second(int& __s, 1861 iter_type& __b, iter_type __e, 1862 ios_base::iostate& __err, 1863 const ctype<char_type>& __ct) const; 1864 void __get_weekday(int& __w, 1865 iter_type& __b, iter_type __e, 1866 ios_base::iostate& __err, 1867 const ctype<char_type>& __ct) const; 1868 void __get_day_year_num(int& __w, 1869 iter_type& __b, iter_type __e, 1870 ios_base::iostate& __err, 1871 const ctype<char_type>& __ct) const; 1872}; 1873 1874template <class _CharT, class _InputIterator> 1875locale::id 1876time_get<_CharT, _InputIterator>::id; 1877 1878// time_get primitives 1879 1880template <class _CharT, class _InputIterator> 1881void 1882time_get<_CharT, _InputIterator>::__get_weekdayname(int& __w, 1883 iter_type& __b, iter_type __e, 1884 ios_base::iostate& __err, 1885 const ctype<char_type>& __ct) const 1886{ 1887 // Note: ignoring case comes from the POSIX strptime spec 1888 const string_type* __wk = this->__weeks(); 1889 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __wk, __wk+14, __ct, __err, false) - __wk; 1890 if (__i < 14) 1891 __w = __i % 7; 1892} 1893 1894template <class _CharT, class _InputIterator> 1895void 1896time_get<_CharT, _InputIterator>::__get_monthname(int& __m, 1897 iter_type& __b, iter_type __e, 1898 ios_base::iostate& __err, 1899 const ctype<char_type>& __ct) const 1900{ 1901 // Note: ignoring case comes from the POSIX strptime spec 1902 const string_type* __month = this->__months(); 1903 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __month, __month+24, __ct, __err, false) - __month; 1904 if (__i < 24) 1905 __m = __i % 12; 1906} 1907 1908template <class _CharT, class _InputIterator> 1909void 1910time_get<_CharT, _InputIterator>::__get_day(int& __d, 1911 iter_type& __b, iter_type __e, 1912 ios_base::iostate& __err, 1913 const ctype<char_type>& __ct) const 1914{ 1915 int __t = _VSTD::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1916 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 31) 1917 __d = __t; 1918 else 1919 __err |= ios_base::failbit; 1920} 1921 1922template <class _CharT, class _InputIterator> 1923void 1924time_get<_CharT, _InputIterator>::__get_month(int& __m, 1925 iter_type& __b, iter_type __e, 1926 ios_base::iostate& __err, 1927 const ctype<char_type>& __ct) const 1928{ 1929 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2) - 1; 1930 if (!(__err & ios_base::failbit) && 0 <= __t && __t <= 11) 1931 __m = __t; 1932 else 1933 __err |= ios_base::failbit; 1934} 1935 1936template <class _CharT, class _InputIterator> 1937void 1938time_get<_CharT, _InputIterator>::__get_year(int& __y, 1939 iter_type& __b, iter_type __e, 1940 ios_base::iostate& __err, 1941 const ctype<char_type>& __ct) const 1942{ 1943 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 4); 1944 if (!(__err & ios_base::failbit)) 1945 { 1946 if (__t < 69) 1947 __t += 2000; 1948 else if (69 <= __t && __t <= 99) 1949 __t += 1900; 1950 __y = __t - 1900; 1951 } 1952} 1953 1954template <class _CharT, class _InputIterator> 1955void 1956time_get<_CharT, _InputIterator>::__get_year4(int& __y, 1957 iter_type& __b, iter_type __e, 1958 ios_base::iostate& __err, 1959 const ctype<char_type>& __ct) const 1960{ 1961 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 4); 1962 if (!(__err & ios_base::failbit)) 1963 __y = __t - 1900; 1964} 1965 1966template <class _CharT, class _InputIterator> 1967void 1968time_get<_CharT, _InputIterator>::__get_hour(int& __h, 1969 iter_type& __b, iter_type __e, 1970 ios_base::iostate& __err, 1971 const ctype<char_type>& __ct) const 1972{ 1973 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1974 if (!(__err & ios_base::failbit) && __t <= 23) 1975 __h = __t; 1976 else 1977 __err |= ios_base::failbit; 1978} 1979 1980template <class _CharT, class _InputIterator> 1981void 1982time_get<_CharT, _InputIterator>::__get_12_hour(int& __h, 1983 iter_type& __b, iter_type __e, 1984 ios_base::iostate& __err, 1985 const ctype<char_type>& __ct) const 1986{ 1987 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 1988 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 12) 1989 __h = __t; 1990 else 1991 __err |= ios_base::failbit; 1992} 1993 1994template <class _CharT, class _InputIterator> 1995void 1996time_get<_CharT, _InputIterator>::__get_minute(int& __m, 1997 iter_type& __b, iter_type __e, 1998 ios_base::iostate& __err, 1999 const ctype<char_type>& __ct) const 2000{ 2001 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 2002 if (!(__err & ios_base::failbit) && __t <= 59) 2003 __m = __t; 2004 else 2005 __err |= ios_base::failbit; 2006} 2007 2008template <class _CharT, class _InputIterator> 2009void 2010time_get<_CharT, _InputIterator>::__get_second(int& __s, 2011 iter_type& __b, iter_type __e, 2012 ios_base::iostate& __err, 2013 const ctype<char_type>& __ct) const 2014{ 2015 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 2); 2016 if (!(__err & ios_base::failbit) && __t <= 60) 2017 __s = __t; 2018 else 2019 __err |= ios_base::failbit; 2020} 2021 2022template <class _CharT, class _InputIterator> 2023void 2024time_get<_CharT, _InputIterator>::__get_weekday(int& __w, 2025 iter_type& __b, iter_type __e, 2026 ios_base::iostate& __err, 2027 const ctype<char_type>& __ct) const 2028{ 2029 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 1); 2030 if (!(__err & ios_base::failbit) && __t <= 6) 2031 __w = __t; 2032 else 2033 __err |= ios_base::failbit; 2034} 2035 2036template <class _CharT, class _InputIterator> 2037void 2038time_get<_CharT, _InputIterator>::__get_day_year_num(int& __d, 2039 iter_type& __b, iter_type __e, 2040 ios_base::iostate& __err, 2041 const ctype<char_type>& __ct) const 2042{ 2043 int __t = std::__get_up_to_n_digits(__b, __e, __err, __ct, 3); 2044 if (!(__err & ios_base::failbit) && __t <= 365) 2045 __d = __t; 2046 else 2047 __err |= ios_base::failbit; 2048} 2049 2050template <class _CharT, class _InputIterator> 2051void 2052time_get<_CharT, _InputIterator>::__get_white_space(iter_type& __b, iter_type __e, 2053 ios_base::iostate& __err, 2054 const ctype<char_type>& __ct) const 2055{ 2056 for (; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2057 ; 2058 if (__b == __e) 2059 __err |= ios_base::eofbit; 2060} 2061 2062template <class _CharT, class _InputIterator> 2063void 2064time_get<_CharT, _InputIterator>::__get_am_pm(int& __h, 2065 iter_type& __b, iter_type __e, 2066 ios_base::iostate& __err, 2067 const ctype<char_type>& __ct) const 2068{ 2069 const string_type* __ap = this->__am_pm(); 2070 if (__ap[0].size() + __ap[1].size() == 0) 2071 { 2072 __err |= ios_base::failbit; 2073 return; 2074 } 2075 ptrdiff_t __i = _VSTD::__scan_keyword(__b, __e, __ap, __ap+2, __ct, __err, false) - __ap; 2076 if (__i == 0 && __h == 12) 2077 __h = 0; 2078 else if (__i == 1 && __h < 12) 2079 __h += 12; 2080} 2081 2082template <class _CharT, class _InputIterator> 2083void 2084time_get<_CharT, _InputIterator>::__get_percent(iter_type& __b, iter_type __e, 2085 ios_base::iostate& __err, 2086 const ctype<char_type>& __ct) const 2087{ 2088 if (__b == __e) 2089 { 2090 __err |= ios_base::eofbit | ios_base::failbit; 2091 return; 2092 } 2093 if (__ct.narrow(*__b, 0) != '%') 2094 __err |= ios_base::failbit; 2095 else if(++__b == __e) 2096 __err |= ios_base::eofbit; 2097} 2098 2099// time_get end primitives 2100 2101template <class _CharT, class _InputIterator> 2102_InputIterator 2103time_get<_CharT, _InputIterator>::get(iter_type __b, iter_type __e, 2104 ios_base& __iob, 2105 ios_base::iostate& __err, tm* __tm, 2106 const char_type* __fmtb, const char_type* __fmte) const 2107{ 2108 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2109 __err = ios_base::goodbit; 2110 while (__fmtb != __fmte && __err == ios_base::goodbit) 2111 { 2112 if (__b == __e) 2113 { 2114 __err = ios_base::failbit; 2115 break; 2116 } 2117 if (__ct.narrow(*__fmtb, 0) == '%') 2118 { 2119 if (++__fmtb == __fmte) 2120 { 2121 __err = ios_base::failbit; 2122 break; 2123 } 2124 char __cmd = __ct.narrow(*__fmtb, 0); 2125 char __opt = '\0'; 2126 if (__cmd == 'E' || __cmd == '0') 2127 { 2128 if (++__fmtb == __fmte) 2129 { 2130 __err = ios_base::failbit; 2131 break; 2132 } 2133 __opt = __cmd; 2134 __cmd = __ct.narrow(*__fmtb, 0); 2135 } 2136 __b = do_get(__b, __e, __iob, __err, __tm, __cmd, __opt); 2137 ++__fmtb; 2138 } 2139 else if (__ct.is(ctype_base::space, *__fmtb)) 2140 { 2141 for (++__fmtb; __fmtb != __fmte && __ct.is(ctype_base::space, *__fmtb); ++__fmtb) 2142 ; 2143 for ( ; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2144 ; 2145 } 2146 else if (__ct.toupper(*__b) == __ct.toupper(*__fmtb)) 2147 { 2148 ++__b; 2149 ++__fmtb; 2150 } 2151 else 2152 __err = ios_base::failbit; 2153 } 2154 if (__b == __e) 2155 __err |= ios_base::eofbit; 2156 return __b; 2157} 2158 2159template <class _CharT, class _InputIterator> 2160typename time_get<_CharT, _InputIterator>::dateorder 2161time_get<_CharT, _InputIterator>::do_date_order() const 2162{ 2163 return mdy; 2164} 2165 2166template <class _CharT, class _InputIterator> 2167_InputIterator 2168time_get<_CharT, _InputIterator>::do_get_time(iter_type __b, iter_type __e, 2169 ios_base& __iob, 2170 ios_base::iostate& __err, 2171 tm* __tm) const 2172{ 2173 const char_type __fmt[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2174 return get(__b, __e, __iob, __err, __tm, __fmt, __fmt + sizeof(__fmt)/sizeof(__fmt[0])); 2175} 2176 2177template <class _CharT, class _InputIterator> 2178_InputIterator 2179time_get<_CharT, _InputIterator>::do_get_date(iter_type __b, iter_type __e, 2180 ios_base& __iob, 2181 ios_base::iostate& __err, 2182 tm* __tm) const 2183{ 2184 const string_type& __fmt = this->__x(); 2185 return get(__b, __e, __iob, __err, __tm, __fmt.data(), __fmt.data() + __fmt.size()); 2186} 2187 2188template <class _CharT, class _InputIterator> 2189_InputIterator 2190time_get<_CharT, _InputIterator>::do_get_weekday(iter_type __b, iter_type __e, 2191 ios_base& __iob, 2192 ios_base::iostate& __err, 2193 tm* __tm) const 2194{ 2195 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2196 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2197 return __b; 2198} 2199 2200template <class _CharT, class _InputIterator> 2201_InputIterator 2202time_get<_CharT, _InputIterator>::do_get_monthname(iter_type __b, iter_type __e, 2203 ios_base& __iob, 2204 ios_base::iostate& __err, 2205 tm* __tm) const 2206{ 2207 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2208 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2209 return __b; 2210} 2211 2212template <class _CharT, class _InputIterator> 2213_InputIterator 2214time_get<_CharT, _InputIterator>::do_get_year(iter_type __b, iter_type __e, 2215 ios_base& __iob, 2216 ios_base::iostate& __err, 2217 tm* __tm) const 2218{ 2219 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2220 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2221 return __b; 2222} 2223 2224template <class _CharT, class _InputIterator> 2225_InputIterator 2226time_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 2227 ios_base& __iob, 2228 ios_base::iostate& __err, tm* __tm, 2229 char __fmt, char) const 2230{ 2231 __err = ios_base::goodbit; 2232 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2233 switch (__fmt) 2234 { 2235 case 'a': 2236 case 'A': 2237 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2238 break; 2239 case 'b': 2240 case 'B': 2241 case 'h': 2242 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2243 break; 2244 case 'c': 2245 { 2246 const string_type& __fm = this->__c(); 2247 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2248 } 2249 break; 2250 case 'd': 2251 case 'e': 2252 __get_day(__tm->tm_mday, __b, __e, __err, __ct); 2253 break; 2254 case 'D': 2255 { 2256 const char_type __fm[] = {'%', 'm', '/', '%', 'd', '/', '%', 'y'}; 2257 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2258 } 2259 break; 2260 case 'F': 2261 { 2262 const char_type __fm[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd'}; 2263 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2264 } 2265 break; 2266 case 'H': 2267 __get_hour(__tm->tm_hour, __b, __e, __err, __ct); 2268 break; 2269 case 'I': 2270 __get_12_hour(__tm->tm_hour, __b, __e, __err, __ct); 2271 break; 2272 case 'j': 2273 __get_day_year_num(__tm->tm_yday, __b, __e, __err, __ct); 2274 break; 2275 case 'm': 2276 __get_month(__tm->tm_mon, __b, __e, __err, __ct); 2277 break; 2278 case 'M': 2279 __get_minute(__tm->tm_min, __b, __e, __err, __ct); 2280 break; 2281 case 'n': 2282 case 't': 2283 __get_white_space(__b, __e, __err, __ct); 2284 break; 2285 case 'p': 2286 __get_am_pm(__tm->tm_hour, __b, __e, __err, __ct); 2287 break; 2288 case 'r': 2289 { 2290 const char_type __fm[] = {'%', 'I', ':', '%', 'M', ':', '%', 'S', ' ', '%', 'p'}; 2291 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2292 } 2293 break; 2294 case 'R': 2295 { 2296 const char_type __fm[] = {'%', 'H', ':', '%', 'M'}; 2297 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2298 } 2299 break; 2300 case 'S': 2301 __get_second(__tm->tm_sec, __b, __e, __err, __ct); 2302 break; 2303 case 'T': 2304 { 2305 const char_type __fm[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2306 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2307 } 2308 break; 2309 case 'w': 2310 __get_weekday(__tm->tm_wday, __b, __e, __err, __ct); 2311 break; 2312 case 'x': 2313 return do_get_date(__b, __e, __iob, __err, __tm); 2314 case 'X': 2315 { 2316 const string_type& __fm = this->__X(); 2317 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2318 } 2319 break; 2320 case 'y': 2321 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2322 break; 2323 case 'Y': 2324 __get_year4(__tm->tm_year, __b, __e, __err, __ct); 2325 break; 2326 case '%': 2327 __get_percent(__b, __e, __err, __ct); 2328 break; 2329 default: 2330 __err |= ios_base::failbit; 2331 } 2332 return __b; 2333} 2334 2335extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get<char>; 2336#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2337extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get<wchar_t>; 2338#endif 2339 2340class _LIBCPP_TYPE_VIS __time_get 2341{ 2342protected: 2343 locale_t __loc_; 2344 2345 __time_get(const char* __nm); 2346 __time_get(const string& __nm); 2347 ~__time_get(); 2348}; 2349 2350template <class _CharT> 2351class _LIBCPP_TEMPLATE_VIS __time_get_storage 2352 : public __time_get 2353{ 2354protected: 2355 typedef basic_string<_CharT> string_type; 2356 2357 string_type __weeks_[14]; 2358 string_type __months_[24]; 2359 string_type __am_pm_[2]; 2360 string_type __c_; 2361 string_type __r_; 2362 string_type __x_; 2363 string_type __X_; 2364 2365 explicit __time_get_storage(const char* __nm); 2366 explicit __time_get_storage(const string& __nm); 2367 2368 _LIBCPP_INLINE_VISIBILITY ~__time_get_storage() {} 2369 2370 time_base::dateorder __do_date_order() const; 2371 2372private: 2373 void init(const ctype<_CharT>&); 2374 string_type __analyze(char __fmt, const ctype<_CharT>&); 2375}; 2376 2377#define _LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(_CharT) \ 2378template <> _LIBCPP_FUNC_VIS time_base::dateorder __time_get_storage<_CharT>::__do_date_order() const; \ 2379template <> _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::__time_get_storage(const char*); \ 2380template <> _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::__time_get_storage(const string&); \ 2381template <> _LIBCPP_FUNC_VIS void __time_get_storage<_CharT>::init(const ctype<_CharT>&); \ 2382template <> _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::string_type __time_get_storage<_CharT>::__analyze(char, const ctype<_CharT>&); \ 2383extern template _LIBCPP_FUNC_VIS time_base::dateorder __time_get_storage<_CharT>::__do_date_order() const; \ 2384extern template _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::__time_get_storage(const char*); \ 2385extern template _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::__time_get_storage(const string&); \ 2386extern template _LIBCPP_FUNC_VIS void __time_get_storage<_CharT>::init(const ctype<_CharT>&); \ 2387extern template _LIBCPP_FUNC_VIS __time_get_storage<_CharT>::string_type __time_get_storage<_CharT>::__analyze(char, const ctype<_CharT>&); \ 2388/**/ 2389 2390_LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(char) 2391#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2392_LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION(wchar_t) 2393#endif 2394#undef _LIBCPP_TIME_GET_STORAGE_EXPLICIT_INSTANTIATION 2395 2396template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2397class _LIBCPP_TEMPLATE_VIS time_get_byname 2398 : public time_get<_CharT, _InputIterator>, 2399 private __time_get_storage<_CharT> 2400{ 2401public: 2402 typedef time_base::dateorder dateorder; 2403 typedef _InputIterator iter_type; 2404 typedef _CharT char_type; 2405 typedef basic_string<char_type> string_type; 2406 2407 _LIBCPP_INLINE_VISIBILITY 2408 explicit time_get_byname(const char* __nm, size_t __refs = 0) 2409 : time_get<_CharT, _InputIterator>(__refs), 2410 __time_get_storage<_CharT>(__nm) {} 2411 _LIBCPP_INLINE_VISIBILITY 2412 explicit time_get_byname(const string& __nm, size_t __refs = 0) 2413 : time_get<_CharT, _InputIterator>(__refs), 2414 __time_get_storage<_CharT>(__nm) {} 2415 2416protected: 2417 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_get_byname() override {} 2418 2419 _LIBCPP_HIDE_FROM_ABI_VIRTUAL dateorder do_date_order() const override {return this->__do_date_order();} 2420private: 2421 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __weeks() const override {return this->__weeks_;} 2422 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __months() const override {return this->__months_;} 2423 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type* __am_pm() const override {return this->__am_pm_;} 2424 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __c() const override {return this->__c_;} 2425 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __r() const override {return this->__r_;} 2426 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __x() const override {return this->__x_;} 2427 _LIBCPP_HIDE_FROM_ABI_VIRTUAL const string_type& __X() const override {return this->__X_;} 2428}; 2429 2430extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get_byname<char>; 2431#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2432extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_get_byname<wchar_t>; 2433#endif 2434 2435class _LIBCPP_TYPE_VIS __time_put 2436{ 2437 locale_t __loc_; 2438protected: 2439 _LIBCPP_INLINE_VISIBILITY __time_put() : __loc_(_LIBCPP_GET_C_LOCALE) {} 2440 __time_put(const char* __nm); 2441 __time_put(const string& __nm); 2442 ~__time_put(); 2443 void __do_put(char* __nb, char*& __ne, const tm* __tm, 2444 char __fmt, char __mod) const; 2445#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2446 void __do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm, 2447 char __fmt, char __mod) const; 2448#endif 2449}; 2450 2451template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2452class _LIBCPP_TEMPLATE_VIS time_put 2453 : public locale::facet, 2454 private __time_put 2455{ 2456public: 2457 typedef _CharT char_type; 2458 typedef _OutputIterator iter_type; 2459 2460 _LIBCPP_INLINE_VISIBILITY 2461 explicit time_put(size_t __refs = 0) 2462 : locale::facet(__refs) {} 2463 2464 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, const tm* __tm, 2465 const char_type* __pb, const char_type* __pe) const; 2466 2467 _LIBCPP_INLINE_VISIBILITY 2468 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 2469 const tm* __tm, char __fmt, char __mod = 0) const 2470 { 2471 return do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2472 } 2473 2474 static locale::id id; 2475 2476protected: 2477 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_put() override {} 2478 virtual iter_type do_put(iter_type __s, ios_base&, char_type, const tm* __tm, 2479 char __fmt, char __mod) const; 2480 2481 _LIBCPP_INLINE_VISIBILITY 2482 explicit time_put(const char* __nm, size_t __refs) 2483 : locale::facet(__refs), 2484 __time_put(__nm) {} 2485 _LIBCPP_INLINE_VISIBILITY 2486 explicit time_put(const string& __nm, size_t __refs) 2487 : locale::facet(__refs), 2488 __time_put(__nm) {} 2489}; 2490 2491template <class _CharT, class _OutputIterator> 2492locale::id 2493time_put<_CharT, _OutputIterator>::id; 2494 2495template <class _CharT, class _OutputIterator> 2496_OutputIterator 2497time_put<_CharT, _OutputIterator>::put(iter_type __s, ios_base& __iob, 2498 char_type __fl, const tm* __tm, 2499 const char_type* __pb, 2500 const char_type* __pe) const 2501{ 2502 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__iob.getloc()); 2503 for (; __pb != __pe; ++__pb) 2504 { 2505 if (__ct.narrow(*__pb, 0) == '%') 2506 { 2507 if (++__pb == __pe) 2508 { 2509 *__s++ = __pb[-1]; 2510 break; 2511 } 2512 char __mod = 0; 2513 char __fmt = __ct.narrow(*__pb, 0); 2514 if (__fmt == 'E' || __fmt == 'O') 2515 { 2516 if (++__pb == __pe) 2517 { 2518 *__s++ = __pb[-2]; 2519 *__s++ = __pb[-1]; 2520 break; 2521 } 2522 __mod = __fmt; 2523 __fmt = __ct.narrow(*__pb, 0); 2524 } 2525 __s = do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2526 } 2527 else 2528 *__s++ = *__pb; 2529 } 2530 return __s; 2531} 2532 2533template <class _CharT, class _OutputIterator> 2534_OutputIterator 2535time_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base&, 2536 char_type, const tm* __tm, 2537 char __fmt, char __mod) const 2538{ 2539 char_type __nar[100]; 2540 char_type* __nb = __nar; 2541 char_type* __ne = __nb + 100; 2542 __do_put(__nb, __ne, __tm, __fmt, __mod); 2543 return _VSTD::copy(__nb, __ne, __s); 2544} 2545 2546extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put<char>; 2547#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2548extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put<wchar_t>; 2549#endif 2550 2551template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2552class _LIBCPP_TEMPLATE_VIS time_put_byname 2553 : public time_put<_CharT, _OutputIterator> 2554{ 2555public: 2556 _LIBCPP_INLINE_VISIBILITY 2557 explicit time_put_byname(const char* __nm, size_t __refs = 0) 2558 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2559 2560 _LIBCPP_INLINE_VISIBILITY 2561 explicit time_put_byname(const string& __nm, size_t __refs = 0) 2562 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2563 2564protected: 2565 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~time_put_byname() override {} 2566}; 2567 2568extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put_byname<char>; 2569#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2570extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS time_put_byname<wchar_t>; 2571#endif 2572 2573// money_base 2574 2575class _LIBCPP_TYPE_VIS money_base 2576{ 2577public: 2578 enum part {none, space, symbol, sign, value}; 2579 struct pattern {char field[4];}; 2580 2581 _LIBCPP_INLINE_VISIBILITY money_base() {} 2582}; 2583 2584// moneypunct 2585 2586template <class _CharT, bool _International = false> 2587class _LIBCPP_TEMPLATE_VIS moneypunct 2588 : public locale::facet, 2589 public money_base 2590{ 2591public: 2592 typedef _CharT char_type; 2593 typedef basic_string<char_type> string_type; 2594 2595 _LIBCPP_INLINE_VISIBILITY 2596 explicit moneypunct(size_t __refs = 0) 2597 : locale::facet(__refs) {} 2598 2599 _LIBCPP_INLINE_VISIBILITY char_type decimal_point() const {return do_decimal_point();} 2600 _LIBCPP_INLINE_VISIBILITY char_type thousands_sep() const {return do_thousands_sep();} 2601 _LIBCPP_INLINE_VISIBILITY string grouping() const {return do_grouping();} 2602 _LIBCPP_INLINE_VISIBILITY string_type curr_symbol() const {return do_curr_symbol();} 2603 _LIBCPP_INLINE_VISIBILITY string_type positive_sign() const {return do_positive_sign();} 2604 _LIBCPP_INLINE_VISIBILITY string_type negative_sign() const {return do_negative_sign();} 2605 _LIBCPP_INLINE_VISIBILITY int frac_digits() const {return do_frac_digits();} 2606 _LIBCPP_INLINE_VISIBILITY pattern pos_format() const {return do_pos_format();} 2607 _LIBCPP_INLINE_VISIBILITY pattern neg_format() const {return do_neg_format();} 2608 2609 static locale::id id; 2610 static const bool intl = _International; 2611 2612protected: 2613 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~moneypunct() override {} 2614 2615 virtual char_type do_decimal_point() const {return numeric_limits<char_type>::max();} 2616 virtual char_type do_thousands_sep() const {return numeric_limits<char_type>::max();} 2617 virtual string do_grouping() const {return string();} 2618 virtual string_type do_curr_symbol() const {return string_type();} 2619 virtual string_type do_positive_sign() const {return string_type();} 2620 virtual string_type do_negative_sign() const {return string_type(1, '-');} 2621 virtual int do_frac_digits() const {return 0;} 2622 virtual pattern do_pos_format() const 2623 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2624 virtual pattern do_neg_format() const 2625 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2626}; 2627 2628template <class _CharT, bool _International> 2629locale::id 2630moneypunct<_CharT, _International>::id; 2631 2632template <class _CharT, bool _International> 2633const bool 2634moneypunct<_CharT, _International>::intl; 2635 2636extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<char, false>; 2637extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<char, true>; 2638#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2639extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<wchar_t, false>; 2640extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct<wchar_t, true>; 2641#endif 2642 2643// moneypunct_byname 2644 2645template <class _CharT, bool _International = false> 2646class _LIBCPP_TEMPLATE_VIS moneypunct_byname 2647 : public moneypunct<_CharT, _International> 2648{ 2649public: 2650 typedef money_base::pattern pattern; 2651 typedef _CharT char_type; 2652 typedef basic_string<char_type> string_type; 2653 2654 _LIBCPP_INLINE_VISIBILITY 2655 explicit moneypunct_byname(const char* __nm, size_t __refs = 0) 2656 : moneypunct<_CharT, _International>(__refs) {init(__nm);} 2657 2658 _LIBCPP_INLINE_VISIBILITY 2659 explicit moneypunct_byname(const string& __nm, size_t __refs = 0) 2660 : moneypunct<_CharT, _International>(__refs) {init(__nm.c_str());} 2661 2662protected: 2663 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~moneypunct_byname() override {} 2664 2665 char_type do_decimal_point() const override {return __decimal_point_;} 2666 char_type do_thousands_sep() const override {return __thousands_sep_;} 2667 string do_grouping() const override {return __grouping_;} 2668 string_type do_curr_symbol() const override {return __curr_symbol_;} 2669 string_type do_positive_sign() const override {return __positive_sign_;} 2670 string_type do_negative_sign() const override {return __negative_sign_;} 2671 int do_frac_digits() const override {return __frac_digits_;} 2672 pattern do_pos_format() const override {return __pos_format_;} 2673 pattern do_neg_format() const override {return __neg_format_;} 2674 2675private: 2676 char_type __decimal_point_; 2677 char_type __thousands_sep_; 2678 string __grouping_; 2679 string_type __curr_symbol_; 2680 string_type __positive_sign_; 2681 string_type __negative_sign_; 2682 int __frac_digits_; 2683 pattern __pos_format_; 2684 pattern __neg_format_; 2685 2686 void init(const char*); 2687}; 2688 2689template<> _LIBCPP_FUNC_VIS void moneypunct_byname<char, false>::init(const char*); 2690template<> _LIBCPP_FUNC_VIS void moneypunct_byname<char, true>::init(const char*); 2691extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<char, false>; 2692extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<char, true>; 2693 2694#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2695template<> _LIBCPP_FUNC_VIS void moneypunct_byname<wchar_t, false>::init(const char*); 2696template<> _LIBCPP_FUNC_VIS void moneypunct_byname<wchar_t, true>::init(const char*); 2697extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<wchar_t, false>; 2698extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS moneypunct_byname<wchar_t, true>; 2699#endif 2700 2701// money_get 2702 2703template <class _CharT> 2704class __money_get 2705{ 2706protected: 2707 typedef _CharT char_type; 2708 typedef basic_string<char_type> string_type; 2709 2710 _LIBCPP_INLINE_VISIBILITY __money_get() {} 2711 2712 static void __gather_info(bool __intl, const locale& __loc, 2713 money_base::pattern& __pat, char_type& __dp, 2714 char_type& __ts, string& __grp, 2715 string_type& __sym, string_type& __psn, 2716 string_type& __nsn, int& __fd); 2717}; 2718 2719template <class _CharT> 2720void 2721__money_get<_CharT>::__gather_info(bool __intl, const locale& __loc, 2722 money_base::pattern& __pat, char_type& __dp, 2723 char_type& __ts, string& __grp, 2724 string_type& __sym, string_type& __psn, 2725 string_type& __nsn, int& __fd) 2726{ 2727 if (__intl) 2728 { 2729 const moneypunct<char_type, true>& __mp = 2730 std::use_facet<moneypunct<char_type, true> >(__loc); 2731 __pat = __mp.neg_format(); 2732 __nsn = __mp.negative_sign(); 2733 __psn = __mp.positive_sign(); 2734 __dp = __mp.decimal_point(); 2735 __ts = __mp.thousands_sep(); 2736 __grp = __mp.grouping(); 2737 __sym = __mp.curr_symbol(); 2738 __fd = __mp.frac_digits(); 2739 } 2740 else 2741 { 2742 const moneypunct<char_type, false>& __mp = 2743 std::use_facet<moneypunct<char_type, false> >(__loc); 2744 __pat = __mp.neg_format(); 2745 __nsn = __mp.negative_sign(); 2746 __psn = __mp.positive_sign(); 2747 __dp = __mp.decimal_point(); 2748 __ts = __mp.thousands_sep(); 2749 __grp = __mp.grouping(); 2750 __sym = __mp.curr_symbol(); 2751 __fd = __mp.frac_digits(); 2752 } 2753} 2754 2755extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_get<char>; 2756#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 2757extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_get<wchar_t>; 2758#endif 2759 2760template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2761class _LIBCPP_TEMPLATE_VIS money_get 2762 : public locale::facet, 2763 private __money_get<_CharT> 2764{ 2765public: 2766 typedef _CharT char_type; 2767 typedef _InputIterator iter_type; 2768 typedef basic_string<char_type> string_type; 2769 2770 _LIBCPP_INLINE_VISIBILITY 2771 explicit money_get(size_t __refs = 0) 2772 : locale::facet(__refs) {} 2773 2774 _LIBCPP_INLINE_VISIBILITY 2775 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2776 ios_base::iostate& __err, long double& __v) const 2777 { 2778 return do_get(__b, __e, __intl, __iob, __err, __v); 2779 } 2780 2781 _LIBCPP_INLINE_VISIBILITY 2782 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2783 ios_base::iostate& __err, string_type& __v) const 2784 { 2785 return do_get(__b, __e, __intl, __iob, __err, __v); 2786 } 2787 2788 static locale::id id; 2789 2790protected: 2791 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~money_get() override {} 2792 2793 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2794 ios_base& __iob, ios_base::iostate& __err, 2795 long double& __v) const; 2796 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2797 ios_base& __iob, ios_base::iostate& __err, 2798 string_type& __v) const; 2799 2800private: 2801 static bool __do_get(iter_type& __b, iter_type __e, 2802 bool __intl, const locale& __loc, 2803 ios_base::fmtflags __flags, ios_base::iostate& __err, 2804 bool& __neg, const ctype<char_type>& __ct, 2805 unique_ptr<char_type, void(*)(void*)>& __wb, 2806 char_type*& __wn, char_type* __we); 2807}; 2808 2809template <class _CharT, class _InputIterator> 2810locale::id 2811money_get<_CharT, _InputIterator>::id; 2812 2813_LIBCPP_FUNC_VIS void __do_nothing(void*); 2814 2815template <class _Tp> 2816_LIBCPP_HIDE_FROM_ABI 2817void 2818__double_or_nothing(unique_ptr<_Tp, void(*)(void*)>& __b, _Tp*& __n, _Tp*& __e) 2819{ 2820 bool __owns = __b.get_deleter() != __do_nothing; 2821 size_t __cur_cap = static_cast<size_t>(__e-__b.get()) * sizeof(_Tp); 2822 size_t __new_cap = __cur_cap < numeric_limits<size_t>::max() / 2 ? 2823 2 * __cur_cap : numeric_limits<size_t>::max(); 2824 if (__new_cap == 0) 2825 __new_cap = sizeof(_Tp); 2826 size_t __n_off = static_cast<size_t>(__n - __b.get()); 2827 _Tp* __t = (_Tp*)std::realloc(__owns ? __b.get() : 0, __new_cap); 2828 if (__t == 0) 2829 __throw_bad_alloc(); 2830 if (__owns) 2831 __b.release(); 2832 __b = unique_ptr<_Tp, void(*)(void*)>(__t, free); 2833 __new_cap /= sizeof(_Tp); 2834 __n = __b.get() + __n_off; 2835 __e = __b.get() + __new_cap; 2836} 2837 2838// true == success 2839template <class _CharT, class _InputIterator> 2840bool 2841money_get<_CharT, _InputIterator>::__do_get(iter_type& __b, iter_type __e, 2842 bool __intl, const locale& __loc, 2843 ios_base::fmtflags __flags, 2844 ios_base::iostate& __err, 2845 bool& __neg, 2846 const ctype<char_type>& __ct, 2847 unique_ptr<char_type, void(*)(void*)>& __wb, 2848 char_type*& __wn, char_type* __we) 2849{ 2850 if (__b == __e) { 2851 __err |= ios_base::failbit; 2852 return false; 2853 } 2854 const unsigned __bz = 100; 2855 unsigned __gbuf[__bz]; 2856 unique_ptr<unsigned, void(*)(void*)> __gb(__gbuf, __do_nothing); 2857 unsigned* __gn = __gb.get(); 2858 unsigned* __ge = __gn + __bz; 2859 money_base::pattern __pat; 2860 char_type __dp; 2861 char_type __ts; 2862 string __grp; 2863 string_type __sym; 2864 string_type __psn; 2865 string_type __nsn; 2866 // Capture the spaces read into money_base::{space,none} so they 2867 // can be compared to initial spaces in __sym. 2868 string_type __spaces; 2869 int __fd; 2870 __money_get<_CharT>::__gather_info(__intl, __loc, __pat, __dp, __ts, __grp, 2871 __sym, __psn, __nsn, __fd); 2872 const string_type* __trailing_sign = 0; 2873 __wn = __wb.get(); 2874 for (unsigned __p = 0; __p < 4 && __b != __e; ++__p) 2875 { 2876 switch (__pat.field[__p]) 2877 { 2878 case money_base::space: 2879 if (__p != 3) 2880 { 2881 if (__ct.is(ctype_base::space, *__b)) 2882 __spaces.push_back(*__b++); 2883 else 2884 { 2885 __err |= ios_base::failbit; 2886 return false; 2887 } 2888 } 2889 _LIBCPP_FALLTHROUGH(); 2890 case money_base::none: 2891 if (__p != 3) 2892 { 2893 while (__b != __e && __ct.is(ctype_base::space, *__b)) 2894 __spaces.push_back(*__b++); 2895 } 2896 break; 2897 case money_base::sign: 2898 if (__psn.size() > 0 && *__b == __psn[0]) 2899 { 2900 ++__b; 2901 __neg = false; 2902 if (__psn.size() > 1) 2903 __trailing_sign = &__psn; 2904 break; 2905 } 2906 if (__nsn.size() > 0 && *__b == __nsn[0]) 2907 { 2908 ++__b; 2909 __neg = true; 2910 if (__nsn.size() > 1) 2911 __trailing_sign = &__nsn; 2912 break; 2913 } 2914 if (__psn.size() > 0 && __nsn.size() > 0) 2915 { // sign is required 2916 __err |= ios_base::failbit; 2917 return false; 2918 } 2919 if (__psn.size() == 0 && __nsn.size() == 0) 2920 // locale has no way of specifying a sign. Use the initial value of __neg as a default 2921 break; 2922 __neg = (__nsn.size() == 0); 2923 break; 2924 case money_base::symbol: 2925 { 2926 bool __more_needed = __trailing_sign || 2927 (__p < 2) || 2928 (__p == 2 && __pat.field[3] != static_cast<char>(money_base::none)); 2929 bool __sb = (__flags & ios_base::showbase) != 0; 2930 if (__sb || __more_needed) 2931 { 2932 typename string_type::const_iterator __sym_space_end = __sym.begin(); 2933 if (__p > 0 && (__pat.field[__p - 1] == money_base::none || 2934 __pat.field[__p - 1] == money_base::space)) { 2935 // Match spaces we've already read against spaces at 2936 // the beginning of __sym. 2937 while (__sym_space_end != __sym.end() && 2938 __ct.is(ctype_base::space, *__sym_space_end)) 2939 ++__sym_space_end; 2940 const size_t __num_spaces = __sym_space_end - __sym.begin(); 2941 if (__num_spaces > __spaces.size() || 2942 !std::equal(__spaces.end() - __num_spaces, __spaces.end(), 2943 __sym.begin())) { 2944 // No match. Put __sym_space_end back at the 2945 // beginning of __sym, which will prevent a 2946 // match in the next loop. 2947 __sym_space_end = __sym.begin(); 2948 } 2949 } 2950 typename string_type::const_iterator __sym_curr_char = __sym_space_end; 2951 while (__sym_curr_char != __sym.end() && __b != __e && 2952 *__b == *__sym_curr_char) { 2953 ++__b; 2954 ++__sym_curr_char; 2955 } 2956 if (__sb && __sym_curr_char != __sym.end()) 2957 { 2958 __err |= ios_base::failbit; 2959 return false; 2960 } 2961 } 2962 } 2963 break; 2964 case money_base::value: 2965 { 2966 unsigned __ng = 0; 2967 for (; __b != __e; ++__b) 2968 { 2969 char_type __c = *__b; 2970 if (__ct.is(ctype_base::digit, __c)) 2971 { 2972 if (__wn == __we) 2973 std::__double_or_nothing(__wb, __wn, __we); 2974 *__wn++ = __c; 2975 ++__ng; 2976 } 2977 else if (__grp.size() > 0 && __ng > 0 && __c == __ts) 2978 { 2979 if (__gn == __ge) 2980 std::__double_or_nothing(__gb, __gn, __ge); 2981 *__gn++ = __ng; 2982 __ng = 0; 2983 } 2984 else 2985 break; 2986 } 2987 if (__gb.get() != __gn && __ng > 0) 2988 { 2989 if (__gn == __ge) 2990 std::__double_or_nothing(__gb, __gn, __ge); 2991 *__gn++ = __ng; 2992 } 2993 if (__fd > 0) 2994 { 2995 if (__b == __e || *__b != __dp) 2996 { 2997 __err |= ios_base::failbit; 2998 return false; 2999 } 3000 for (++__b; __fd > 0; --__fd, ++__b) 3001 { 3002 if (__b == __e || !__ct.is(ctype_base::digit, *__b)) 3003 { 3004 __err |= ios_base::failbit; 3005 return false; 3006 } 3007 if (__wn == __we) 3008 std::__double_or_nothing(__wb, __wn, __we); 3009 *__wn++ = *__b; 3010 } 3011 } 3012 if (__wn == __wb.get()) 3013 { 3014 __err |= ios_base::failbit; 3015 return false; 3016 } 3017 } 3018 break; 3019 } 3020 } 3021 if (__trailing_sign) 3022 { 3023 for (unsigned __i = 1; __i < __trailing_sign->size(); ++__i, ++__b) 3024 { 3025 if (__b == __e || *__b != (*__trailing_sign)[__i]) 3026 { 3027 __err |= ios_base::failbit; 3028 return false; 3029 } 3030 } 3031 } 3032 if (__gb.get() != __gn) 3033 { 3034 ios_base::iostate __et = ios_base::goodbit; 3035 __check_grouping(__grp, __gb.get(), __gn, __et); 3036 if (__et) 3037 { 3038 __err |= ios_base::failbit; 3039 return false; 3040 } 3041 } 3042 return true; 3043} 3044 3045template <class _CharT, class _InputIterator> 3046_InputIterator 3047money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3048 bool __intl, ios_base& __iob, 3049 ios_base::iostate& __err, 3050 long double& __v) const 3051{ 3052 const int __bz = 100; 3053 char_type __wbuf[__bz]; 3054 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3055 char_type* __wn; 3056 char_type* __we = __wbuf + __bz; 3057 locale __loc = __iob.getloc(); 3058 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3059 bool __neg = false; 3060 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3061 __wb, __wn, __we)) 3062 { 3063 const char __src[] = "0123456789"; 3064 char_type __atoms[sizeof(__src)-1]; 3065 __ct.widen(__src, __src + (sizeof(__src)-1), __atoms); 3066 char __nbuf[__bz]; 3067 char* __nc = __nbuf; 3068 unique_ptr<char, void(*)(void*)> __h(nullptr, free); 3069 if (__wn - __wb.get() > __bz-2) 3070 { 3071 __h.reset((char*)malloc(static_cast<size_t>(__wn - __wb.get() + 2))); 3072 if (__h.get() == nullptr) 3073 __throw_bad_alloc(); 3074 __nc = __h.get(); 3075 } 3076 if (__neg) 3077 *__nc++ = '-'; 3078 for (const char_type* __w = __wb.get(); __w < __wn; ++__w, ++__nc) 3079 *__nc = __src[std::find(__atoms, _VSTD::end(__atoms), *__w) - __atoms]; 3080 *__nc = char(); 3081 if (sscanf(__nbuf, "%Lf", &__v) != 1) 3082 __throw_runtime_error("money_get error"); 3083 } 3084 if (__b == __e) 3085 __err |= ios_base::eofbit; 3086 return __b; 3087} 3088 3089template <class _CharT, class _InputIterator> 3090_InputIterator 3091money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3092 bool __intl, ios_base& __iob, 3093 ios_base::iostate& __err, 3094 string_type& __v) const 3095{ 3096 const int __bz = 100; 3097 char_type __wbuf[__bz]; 3098 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3099 char_type* __wn; 3100 char_type* __we = __wbuf + __bz; 3101 locale __loc = __iob.getloc(); 3102 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3103 bool __neg = false; 3104 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3105 __wb, __wn, __we)) 3106 { 3107 __v.clear(); 3108 if (__neg) 3109 __v.push_back(__ct.widen('-')); 3110 char_type __z = __ct.widen('0'); 3111 char_type* __w; 3112 for (__w = __wb.get(); __w < __wn-1; ++__w) 3113 if (*__w != __z) 3114 break; 3115 __v.append(__w, __wn); 3116 } 3117 if (__b == __e) 3118 __err |= ios_base::eofbit; 3119 return __b; 3120} 3121 3122extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_get<char>; 3123#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3124extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_get<wchar_t>; 3125#endif 3126 3127// money_put 3128 3129template <class _CharT> 3130class __money_put 3131{ 3132protected: 3133 typedef _CharT char_type; 3134 typedef basic_string<char_type> string_type; 3135 3136 _LIBCPP_INLINE_VISIBILITY __money_put() {} 3137 3138 static void __gather_info(bool __intl, bool __neg, const locale& __loc, 3139 money_base::pattern& __pat, char_type& __dp, 3140 char_type& __ts, string& __grp, 3141 string_type& __sym, string_type& __sn, 3142 int& __fd); 3143 static void __format(char_type* __mb, char_type*& __mi, char_type*& __me, 3144 ios_base::fmtflags __flags, 3145 const char_type* __db, const char_type* __de, 3146 const ctype<char_type>& __ct, bool __neg, 3147 const money_base::pattern& __pat, char_type __dp, 3148 char_type __ts, const string& __grp, 3149 const string_type& __sym, const string_type& __sn, 3150 int __fd); 3151}; 3152 3153template <class _CharT> 3154void 3155__money_put<_CharT>::__gather_info(bool __intl, bool __neg, const locale& __loc, 3156 money_base::pattern& __pat, char_type& __dp, 3157 char_type& __ts, string& __grp, 3158 string_type& __sym, string_type& __sn, 3159 int& __fd) 3160{ 3161 if (__intl) 3162 { 3163 const moneypunct<char_type, true>& __mp = 3164 std::use_facet<moneypunct<char_type, true> >(__loc); 3165 if (__neg) 3166 { 3167 __pat = __mp.neg_format(); 3168 __sn = __mp.negative_sign(); 3169 } 3170 else 3171 { 3172 __pat = __mp.pos_format(); 3173 __sn = __mp.positive_sign(); 3174 } 3175 __dp = __mp.decimal_point(); 3176 __ts = __mp.thousands_sep(); 3177 __grp = __mp.grouping(); 3178 __sym = __mp.curr_symbol(); 3179 __fd = __mp.frac_digits(); 3180 } 3181 else 3182 { 3183 const moneypunct<char_type, false>& __mp = 3184 std::use_facet<moneypunct<char_type, false> >(__loc); 3185 if (__neg) 3186 { 3187 __pat = __mp.neg_format(); 3188 __sn = __mp.negative_sign(); 3189 } 3190 else 3191 { 3192 __pat = __mp.pos_format(); 3193 __sn = __mp.positive_sign(); 3194 } 3195 __dp = __mp.decimal_point(); 3196 __ts = __mp.thousands_sep(); 3197 __grp = __mp.grouping(); 3198 __sym = __mp.curr_symbol(); 3199 __fd = __mp.frac_digits(); 3200 } 3201} 3202 3203template <class _CharT> 3204void 3205__money_put<_CharT>::__format(char_type* __mb, char_type*& __mi, char_type*& __me, 3206 ios_base::fmtflags __flags, 3207 const char_type* __db, const char_type* __de, 3208 const ctype<char_type>& __ct, bool __neg, 3209 const money_base::pattern& __pat, char_type __dp, 3210 char_type __ts, const string& __grp, 3211 const string_type& __sym, const string_type& __sn, 3212 int __fd) 3213{ 3214 __me = __mb; 3215 for (char __p : __pat.field) 3216 { 3217 switch (__p) 3218 { 3219 case money_base::none: 3220 __mi = __me; 3221 break; 3222 case money_base::space: 3223 __mi = __me; 3224 *__me++ = __ct.widen(' '); 3225 break; 3226 case money_base::sign: 3227 if (!__sn.empty()) 3228 *__me++ = __sn[0]; 3229 break; 3230 case money_base::symbol: 3231 if (!__sym.empty() && (__flags & ios_base::showbase)) 3232 __me = _VSTD::copy(__sym.begin(), __sym.end(), __me); 3233 break; 3234 case money_base::value: 3235 { 3236 // remember start of value so we can reverse it 3237 char_type* __t = __me; 3238 // find beginning of digits 3239 if (__neg) 3240 ++__db; 3241 // find end of digits 3242 const char_type* __d; 3243 for (__d = __db; __d < __de; ++__d) 3244 if (!__ct.is(ctype_base::digit, *__d)) 3245 break; 3246 // print fractional part 3247 if (__fd > 0) 3248 { 3249 int __f; 3250 for (__f = __fd; __d > __db && __f > 0; --__f) 3251 *__me++ = *--__d; 3252 char_type __z = __f > 0 ? __ct.widen('0') : char_type(); 3253 for (; __f > 0; --__f) 3254 *__me++ = __z; 3255 *__me++ = __dp; 3256 } 3257 // print units part 3258 if (__d == __db) 3259 { 3260 *__me++ = __ct.widen('0'); 3261 } 3262 else 3263 { 3264 unsigned __ng = 0; 3265 unsigned __ig = 0; 3266 unsigned __gl = __grp.empty() ? numeric_limits<unsigned>::max() 3267 : static_cast<unsigned>(__grp[__ig]); 3268 while (__d != __db) 3269 { 3270 if (__ng == __gl) 3271 { 3272 *__me++ = __ts; 3273 __ng = 0; 3274 if (++__ig < __grp.size()) 3275 __gl = __grp[__ig] == numeric_limits<char>::max() ? 3276 numeric_limits<unsigned>::max() : 3277 static_cast<unsigned>(__grp[__ig]); 3278 } 3279 *__me++ = *--__d; 3280 ++__ng; 3281 } 3282 } 3283 // reverse it 3284 std::reverse(__t, __me); 3285 } 3286 break; 3287 } 3288 } 3289 // print rest of sign, if any 3290 if (__sn.size() > 1) 3291 __me = _VSTD::copy(__sn.begin()+1, __sn.end(), __me); 3292 // set alignment 3293 if ((__flags & ios_base::adjustfield) == ios_base::left) 3294 __mi = __me; 3295 else if ((__flags & ios_base::adjustfield) != ios_base::internal) 3296 __mi = __mb; 3297} 3298 3299extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_put<char>; 3300#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3301extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS __money_put<wchar_t>; 3302#endif 3303 3304template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 3305class _LIBCPP_TEMPLATE_VIS money_put 3306 : public locale::facet, 3307 private __money_put<_CharT> 3308{ 3309public: 3310 typedef _CharT char_type; 3311 typedef _OutputIterator iter_type; 3312 typedef basic_string<char_type> string_type; 3313 3314 _LIBCPP_INLINE_VISIBILITY 3315 explicit money_put(size_t __refs = 0) 3316 : locale::facet(__refs) {} 3317 3318 _LIBCPP_INLINE_VISIBILITY 3319 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3320 long double __units) const 3321 { 3322 return do_put(__s, __intl, __iob, __fl, __units); 3323 } 3324 3325 _LIBCPP_INLINE_VISIBILITY 3326 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3327 const string_type& __digits) const 3328 { 3329 return do_put(__s, __intl, __iob, __fl, __digits); 3330 } 3331 3332 static locale::id id; 3333 3334protected: 3335 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~money_put() override {} 3336 3337 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3338 char_type __fl, long double __units) const; 3339 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3340 char_type __fl, const string_type& __digits) const; 3341}; 3342 3343template <class _CharT, class _OutputIterator> 3344locale::id 3345money_put<_CharT, _OutputIterator>::id; 3346 3347template <class _CharT, class _OutputIterator> 3348_OutputIterator 3349money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3350 ios_base& __iob, char_type __fl, 3351 long double __units) const 3352{ 3353 // convert to char 3354 const size_t __bs = 100; 3355 char __buf[__bs]; 3356 char* __bb = __buf; 3357 char_type __digits[__bs]; 3358 char_type* __db = __digits; 3359 int __n = snprintf(__bb, __bs, "%.0Lf", __units); 3360 unique_ptr<char, void(*)(void*)> __hn(nullptr, free); 3361 unique_ptr<char_type, void(*)(void*)> __hd(0, free); 3362 // secure memory for digit storage 3363 if (static_cast<size_t>(__n) > __bs-1) 3364 { 3365 __n = __libcpp_asprintf_l(&__bb, _LIBCPP_GET_C_LOCALE, "%.0Lf", __units); 3366 if (__n == -1) 3367 __throw_bad_alloc(); 3368 __hn.reset(__bb); 3369 __hd.reset((char_type*)malloc(static_cast<size_t>(__n) * sizeof(char_type))); 3370 if (__hd == nullptr) 3371 __throw_bad_alloc(); 3372 __db = __hd.get(); 3373 } 3374 // gather info 3375 locale __loc = __iob.getloc(); 3376 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3377 __ct.widen(__bb, __bb + __n, __db); 3378 bool __neg = __n > 0 && __bb[0] == '-'; 3379 money_base::pattern __pat; 3380 char_type __dp; 3381 char_type __ts; 3382 string __grp; 3383 string_type __sym; 3384 string_type __sn; 3385 int __fd; 3386 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3387 // secure memory for formatting 3388 char_type __mbuf[__bs]; 3389 char_type* __mb = __mbuf; 3390 unique_ptr<char_type, void(*)(void*)> __hw(0, free); 3391 size_t __exn = __n > __fd ? 3392 (static_cast<size_t>(__n) - static_cast<size_t>(__fd)) * 2 + 3393 __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 1 3394 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3395 if (__exn > __bs) 3396 { 3397 __hw.reset((char_type*)malloc(__exn * sizeof(char_type))); 3398 __mb = __hw.get(); 3399 if (__mb == 0) 3400 __throw_bad_alloc(); 3401 } 3402 // format 3403 char_type* __mi; 3404 char_type* __me; 3405 this->__format(__mb, __mi, __me, __iob.flags(), 3406 __db, __db + __n, __ct, 3407 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3408 return std::__pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3409} 3410 3411template <class _CharT, class _OutputIterator> 3412_OutputIterator 3413money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3414 ios_base& __iob, char_type __fl, 3415 const string_type& __digits) const 3416{ 3417 // gather info 3418 locale __loc = __iob.getloc(); 3419 const ctype<char_type>& __ct = std::use_facet<ctype<char_type> >(__loc); 3420 bool __neg = __digits.size() > 0 && __digits[0] == __ct.widen('-'); 3421 money_base::pattern __pat; 3422 char_type __dp; 3423 char_type __ts; 3424 string __grp; 3425 string_type __sym; 3426 string_type __sn; 3427 int __fd; 3428 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3429 // secure memory for formatting 3430 char_type __mbuf[100]; 3431 char_type* __mb = __mbuf; 3432 unique_ptr<char_type, void(*)(void*)> __h(0, free); 3433 size_t __exn = static_cast<int>(__digits.size()) > __fd ? 3434 (__digits.size() - static_cast<size_t>(__fd)) * 2 + 3435 __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 1 3436 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3437 if (__exn > 100) 3438 { 3439 __h.reset((char_type*)malloc(__exn * sizeof(char_type))); 3440 __mb = __h.get(); 3441 if (__mb == 0) 3442 __throw_bad_alloc(); 3443 } 3444 // format 3445 char_type* __mi; 3446 char_type* __me; 3447 this->__format(__mb, __mi, __me, __iob.flags(), 3448 __digits.data(), __digits.data() + __digits.size(), __ct, 3449 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3450 return std::__pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3451} 3452 3453extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_put<char>; 3454#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3455extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS money_put<wchar_t>; 3456#endif 3457 3458// messages 3459 3460class _LIBCPP_TYPE_VIS messages_base 3461{ 3462public: 3463 typedef ptrdiff_t catalog; 3464 3465 _LIBCPP_INLINE_VISIBILITY messages_base() {} 3466}; 3467 3468template <class _CharT> 3469class _LIBCPP_TEMPLATE_VIS messages 3470 : public locale::facet, 3471 public messages_base 3472{ 3473public: 3474 typedef _CharT char_type; 3475 typedef basic_string<_CharT> string_type; 3476 3477 _LIBCPP_INLINE_VISIBILITY 3478 explicit messages(size_t __refs = 0) 3479 : locale::facet(__refs) {} 3480 3481 _LIBCPP_INLINE_VISIBILITY 3482 catalog open(const basic_string<char>& __nm, const locale& __loc) const 3483 { 3484 return do_open(__nm, __loc); 3485 } 3486 3487 _LIBCPP_INLINE_VISIBILITY 3488 string_type get(catalog __c, int __set, int __msgid, 3489 const string_type& __dflt) const 3490 { 3491 return do_get(__c, __set, __msgid, __dflt); 3492 } 3493 3494 _LIBCPP_INLINE_VISIBILITY 3495 void close(catalog __c) const 3496 { 3497 do_close(__c); 3498 } 3499 3500 static locale::id id; 3501 3502protected: 3503 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~messages() override {} 3504 3505 virtual catalog do_open(const basic_string<char>&, const locale&) const; 3506 virtual string_type do_get(catalog, int __set, int __msgid, 3507 const string_type& __dflt) const; 3508 virtual void do_close(catalog) const; 3509}; 3510 3511template <class _CharT> 3512locale::id 3513messages<_CharT>::id; 3514 3515template <class _CharT> 3516typename messages<_CharT>::catalog 3517messages<_CharT>::do_open(const basic_string<char>& __nm, const locale&) const 3518{ 3519#ifdef _LIBCPP_HAS_CATOPEN 3520 catalog __cat = (catalog)catopen(__nm.c_str(), NL_CAT_LOCALE); 3521 if (__cat != -1) 3522 __cat = static_cast<catalog>((static_cast<size_t>(__cat) >> 1)); 3523 return __cat; 3524#else // !_LIBCPP_HAS_CATOPEN 3525 (void)__nm; 3526 return -1; 3527#endif // _LIBCPP_HAS_CATOPEN 3528} 3529 3530template <class _CharT> 3531typename messages<_CharT>::string_type 3532messages<_CharT>::do_get(catalog __c, int __set, int __msgid, 3533 const string_type& __dflt) const 3534{ 3535#ifdef _LIBCPP_HAS_CATOPEN 3536 string __ndflt; 3537 __narrow_to_utf8<sizeof(char_type)*__CHAR_BIT__>()(std::back_inserter(__ndflt), 3538 __dflt.c_str(), 3539 __dflt.c_str() + __dflt.size()); 3540 if (__c != -1) 3541 __c <<= 1; 3542 nl_catd __cat = (nl_catd)__c; 3543 char* __n = catgets(__cat, __set, __msgid, __ndflt.c_str()); 3544 string_type __w; 3545 __widen_from_utf8<sizeof(char_type)*__CHAR_BIT__>()(std::back_inserter(__w), 3546 __n, __n + _VSTD::strlen(__n)); 3547 return __w; 3548#else // !_LIBCPP_HAS_CATOPEN 3549 (void)__c; 3550 (void)__set; 3551 (void)__msgid; 3552 return __dflt; 3553#endif // _LIBCPP_HAS_CATOPEN 3554} 3555 3556template <class _CharT> 3557void 3558messages<_CharT>::do_close(catalog __c) const 3559{ 3560#ifdef _LIBCPP_HAS_CATOPEN 3561 if (__c != -1) 3562 __c <<= 1; 3563 nl_catd __cat = (nl_catd)__c; 3564 catclose(__cat); 3565#else // !_LIBCPP_HAS_CATOPEN 3566 (void)__c; 3567#endif // _LIBCPP_HAS_CATOPEN 3568} 3569 3570extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages<char>; 3571#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3572extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages<wchar_t>; 3573#endif 3574 3575template <class _CharT> 3576class _LIBCPP_TEMPLATE_VIS messages_byname 3577 : public messages<_CharT> 3578{ 3579public: 3580 typedef messages_base::catalog catalog; 3581 typedef basic_string<_CharT> string_type; 3582 3583 _LIBCPP_INLINE_VISIBILITY 3584 explicit messages_byname(const char*, size_t __refs = 0) 3585 : messages<_CharT>(__refs) {} 3586 3587 _LIBCPP_INLINE_VISIBILITY 3588 explicit messages_byname(const string&, size_t __refs = 0) 3589 : messages<_CharT>(__refs) {} 3590 3591protected: 3592 _LIBCPP_HIDE_FROM_ABI_VIRTUAL ~messages_byname() override {} 3593}; 3594 3595extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages_byname<char>; 3596#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS 3597extern template class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS messages_byname<wchar_t>; 3598#endif 3599 3600template<class _Codecvt, class _Elem = wchar_t, 3601 class _Wide_alloc = allocator<_Elem>, 3602 class _Byte_alloc = allocator<char> > 3603class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wstring_convert 3604{ 3605public: 3606 typedef basic_string<char, char_traits<char>, _Byte_alloc> byte_string; 3607 typedef basic_string<_Elem, char_traits<_Elem>, _Wide_alloc> wide_string; 3608 typedef typename _Codecvt::state_type state_type; 3609 typedef typename wide_string::traits_type::int_type int_type; 3610 3611private: 3612 byte_string __byte_err_string_; 3613 wide_string __wide_err_string_; 3614 _Codecvt* __cvtptr_; 3615 state_type __cvtstate_; 3616 size_t __cvtcount_; 3617 3618 wstring_convert(const wstring_convert& __wc); 3619 wstring_convert& operator=(const wstring_convert& __wc); 3620public: 3621#ifndef _LIBCPP_CXX03_LANG 3622 _LIBCPP_INLINE_VISIBILITY 3623 wstring_convert() : wstring_convert(new _Codecvt) {} 3624 _LIBCPP_INLINE_VISIBILITY 3625 explicit wstring_convert(_Codecvt* __pcvt); 3626#else 3627 _LIBCPP_INLINE_VISIBILITY 3628 _LIBCPP_EXPLICIT_AFTER_CXX11 3629 wstring_convert(_Codecvt* __pcvt = new _Codecvt); 3630#endif 3631 3632 _LIBCPP_INLINE_VISIBILITY 3633 wstring_convert(_Codecvt* __pcvt, state_type __state); 3634 _LIBCPP_EXPLICIT_AFTER_CXX11 wstring_convert(const byte_string& __byte_err, 3635 const wide_string& __wide_err = wide_string()); 3636#ifndef _LIBCPP_CXX03_LANG 3637 _LIBCPP_INLINE_VISIBILITY 3638 wstring_convert(wstring_convert&& __wc); 3639#endif 3640 ~wstring_convert(); 3641 3642 _LIBCPP_INLINE_VISIBILITY 3643 wide_string from_bytes(char __byte) 3644 {return from_bytes(&__byte, &__byte+1);} 3645 _LIBCPP_INLINE_VISIBILITY 3646 wide_string from_bytes(const char* __ptr) 3647 {return from_bytes(__ptr, __ptr + char_traits<char>::length(__ptr));} 3648 _LIBCPP_INLINE_VISIBILITY 3649 wide_string from_bytes(const byte_string& __str) 3650 {return from_bytes(__str.data(), __str.data() + __str.size());} 3651 wide_string from_bytes(const char* __first, const char* __last); 3652 3653 _LIBCPP_INLINE_VISIBILITY 3654 byte_string to_bytes(_Elem __wchar) 3655 {return to_bytes(&__wchar, &__wchar+1);} 3656 _LIBCPP_INLINE_VISIBILITY 3657 byte_string to_bytes(const _Elem* __wptr) 3658 {return to_bytes(__wptr, __wptr + char_traits<_Elem>::length(__wptr));} 3659 _LIBCPP_INLINE_VISIBILITY 3660 byte_string to_bytes(const wide_string& __wstr) 3661 {return to_bytes(__wstr.data(), __wstr.data() + __wstr.size());} 3662 byte_string to_bytes(const _Elem* __first, const _Elem* __last); 3663 3664 _LIBCPP_INLINE_VISIBILITY 3665 size_t converted() const _NOEXCEPT {return __cvtcount_;} 3666 _LIBCPP_INLINE_VISIBILITY 3667 state_type state() const {return __cvtstate_;} 3668}; 3669 3670_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3671template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3672inline 3673wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3674 wstring_convert(_Codecvt* __pcvt) 3675 : __cvtptr_(__pcvt), __cvtstate_(), __cvtcount_(0) 3676{ 3677} 3678_LIBCPP_SUPPRESS_DEPRECATED_POP 3679 3680template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3681inline 3682wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3683 wstring_convert(_Codecvt* __pcvt, state_type __state) 3684 : __cvtptr_(__pcvt), __cvtstate_(__state), __cvtcount_(0) 3685{ 3686} 3687 3688template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3689wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3690 wstring_convert(const byte_string& __byte_err, const wide_string& __wide_err) 3691 : __byte_err_string_(__byte_err), __wide_err_string_(__wide_err), 3692 __cvtstate_(), __cvtcount_(0) 3693{ 3694 __cvtptr_ = new _Codecvt; 3695} 3696 3697#ifndef _LIBCPP_CXX03_LANG 3698 3699template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3700inline 3701wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3702 wstring_convert(wstring_convert&& __wc) 3703 : __byte_err_string_(_VSTD::move(__wc.__byte_err_string_)), 3704 __wide_err_string_(_VSTD::move(__wc.__wide_err_string_)), 3705 __cvtptr_(__wc.__cvtptr_), 3706 __cvtstate_(__wc.__cvtstate_), __cvtcount_(__wc.__cvtcount_) 3707{ 3708 __wc.__cvtptr_ = nullptr; 3709} 3710 3711#endif // _LIBCPP_CXX03_LANG 3712 3713_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3714template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3715wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::~wstring_convert() 3716{ 3717 delete __cvtptr_; 3718} 3719 3720template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3721typename wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::wide_string 3722wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3723 from_bytes(const char* __frm, const char* __frm_end) 3724{ 3725_LIBCPP_SUPPRESS_DEPRECATED_POP 3726 __cvtcount_ = 0; 3727 if (__cvtptr_ != nullptr) 3728 { 3729 wide_string __ws(2*(__frm_end - __frm), _Elem()); 3730 if (__frm != __frm_end) 3731 __ws.resize(__ws.capacity()); 3732 codecvt_base::result __r = codecvt_base::ok; 3733 state_type __st = __cvtstate_; 3734 if (__frm != __frm_end) 3735 { 3736 _Elem* __to = &__ws[0]; 3737 _Elem* __to_end = __to + __ws.size(); 3738 const char* __frm_nxt; 3739 do 3740 { 3741 _Elem* __to_nxt; 3742 __r = __cvtptr_->in(__st, __frm, __frm_end, __frm_nxt, 3743 __to, __to_end, __to_nxt); 3744 __cvtcount_ += __frm_nxt - __frm; 3745 if (__frm_nxt == __frm) 3746 { 3747 __r = codecvt_base::error; 3748 } 3749 else if (__r == codecvt_base::noconv) 3750 { 3751 __ws.resize(__to - &__ws[0]); 3752 // This only gets executed if _Elem is char 3753 __ws.append((const _Elem*)__frm, (const _Elem*)__frm_end); 3754 __frm = __frm_nxt; 3755 __r = codecvt_base::ok; 3756 } 3757 else if (__r == codecvt_base::ok) 3758 { 3759 __ws.resize(__to_nxt - &__ws[0]); 3760 __frm = __frm_nxt; 3761 } 3762 else if (__r == codecvt_base::partial) 3763 { 3764 ptrdiff_t __s = __to_nxt - &__ws[0]; 3765 __ws.resize(2 * __s); 3766 __to = &__ws[0] + __s; 3767 __to_end = &__ws[0] + __ws.size(); 3768 __frm = __frm_nxt; 3769 } 3770 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3771 } 3772 if (__r == codecvt_base::ok) 3773 return __ws; 3774 } 3775 3776 if (__wide_err_string_.empty()) 3777 __throw_range_error("wstring_convert: from_bytes error"); 3778 3779 return __wide_err_string_; 3780} 3781 3782template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3783typename wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::byte_string 3784wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3785 to_bytes(const _Elem* __frm, const _Elem* __frm_end) 3786{ 3787 __cvtcount_ = 0; 3788 if (__cvtptr_ != nullptr) 3789 { 3790 byte_string __bs(2*(__frm_end - __frm), char()); 3791 if (__frm != __frm_end) 3792 __bs.resize(__bs.capacity()); 3793 codecvt_base::result __r = codecvt_base::ok; 3794 state_type __st = __cvtstate_; 3795 if (__frm != __frm_end) 3796 { 3797 char* __to = &__bs[0]; 3798 char* __to_end = __to + __bs.size(); 3799 const _Elem* __frm_nxt; 3800 do 3801 { 3802 char* __to_nxt; 3803 __r = __cvtptr_->out(__st, __frm, __frm_end, __frm_nxt, 3804 __to, __to_end, __to_nxt); 3805 __cvtcount_ += __frm_nxt - __frm; 3806 if (__frm_nxt == __frm) 3807 { 3808 __r = codecvt_base::error; 3809 } 3810 else if (__r == codecvt_base::noconv) 3811 { 3812 __bs.resize(__to - &__bs[0]); 3813 // This only gets executed if _Elem is char 3814 __bs.append((const char*)__frm, (const char*)__frm_end); 3815 __frm = __frm_nxt; 3816 __r = codecvt_base::ok; 3817 } 3818 else if (__r == codecvt_base::ok) 3819 { 3820 __bs.resize(__to_nxt - &__bs[0]); 3821 __frm = __frm_nxt; 3822 } 3823 else if (__r == codecvt_base::partial) 3824 { 3825 ptrdiff_t __s = __to_nxt - &__bs[0]; 3826 __bs.resize(2 * __s); 3827 __to = &__bs[0] + __s; 3828 __to_end = &__bs[0] + __bs.size(); 3829 __frm = __frm_nxt; 3830 } 3831 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3832 } 3833 if (__r == codecvt_base::ok) 3834 { 3835 size_t __s = __bs.size(); 3836 __bs.resize(__bs.capacity()); 3837 char* __to = &__bs[0] + __s; 3838 char* __to_end = __to + __bs.size(); 3839 do 3840 { 3841 char* __to_nxt; 3842 __r = __cvtptr_->unshift(__st, __to, __to_end, __to_nxt); 3843 if (__r == codecvt_base::noconv) 3844 { 3845 __bs.resize(__to - &__bs[0]); 3846 __r = codecvt_base::ok; 3847 } 3848 else if (__r == codecvt_base::ok) 3849 { 3850 __bs.resize(__to_nxt - &__bs[0]); 3851 } 3852 else if (__r == codecvt_base::partial) 3853 { 3854 ptrdiff_t __sp = __to_nxt - &__bs[0]; 3855 __bs.resize(2 * __sp); 3856 __to = &__bs[0] + __sp; 3857 __to_end = &__bs[0] + __bs.size(); 3858 } 3859 } while (__r == codecvt_base::partial); 3860 if (__r == codecvt_base::ok) 3861 return __bs; 3862 } 3863 } 3864 3865 if (__byte_err_string_.empty()) 3866 __throw_range_error("wstring_convert: to_bytes error"); 3867 3868 return __byte_err_string_; 3869} 3870 3871template <class _Codecvt, class _Elem = wchar_t, class _Tr = char_traits<_Elem> > 3872class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 wbuffer_convert 3873 : public basic_streambuf<_Elem, _Tr> 3874{ 3875public: 3876 // types: 3877 typedef _Elem char_type; 3878 typedef _Tr traits_type; 3879 typedef typename traits_type::int_type int_type; 3880 typedef typename traits_type::pos_type pos_type; 3881 typedef typename traits_type::off_type off_type; 3882 typedef typename _Codecvt::state_type state_type; 3883 3884private: 3885 char* __extbuf_; 3886 const char* __extbufnext_; 3887 const char* __extbufend_; 3888 char __extbuf_min_[8]; 3889 size_t __ebs_; 3890 char_type* __intbuf_; 3891 size_t __ibs_; 3892 streambuf* __bufptr_; 3893 _Codecvt* __cv_; 3894 state_type __st_; 3895 ios_base::openmode __cm_; 3896 bool __owns_eb_; 3897 bool __owns_ib_; 3898 bool __always_noconv_; 3899 3900 wbuffer_convert(const wbuffer_convert&); 3901 wbuffer_convert& operator=(const wbuffer_convert&); 3902 3903public: 3904#ifndef _LIBCPP_CXX03_LANG 3905 wbuffer_convert() : wbuffer_convert(nullptr) {} 3906 explicit wbuffer_convert(streambuf* __bytebuf, 3907 _Codecvt* __pcvt = new _Codecvt, 3908 state_type __state = state_type()); 3909#else 3910 _LIBCPP_EXPLICIT_AFTER_CXX11 3911 wbuffer_convert(streambuf* __bytebuf = nullptr, 3912 _Codecvt* __pcvt = new _Codecvt, 3913 state_type __state = state_type()); 3914#endif 3915 3916 ~wbuffer_convert(); 3917 3918 _LIBCPP_INLINE_VISIBILITY 3919 streambuf* rdbuf() const {return __bufptr_;} 3920 _LIBCPP_INLINE_VISIBILITY 3921 streambuf* rdbuf(streambuf* __bytebuf) 3922 { 3923 streambuf* __r = __bufptr_; 3924 __bufptr_ = __bytebuf; 3925 return __r; 3926 } 3927 3928 _LIBCPP_INLINE_VISIBILITY 3929 state_type state() const {return __st_;} 3930 3931protected: 3932 virtual int_type underflow(); 3933 virtual int_type pbackfail(int_type __c = traits_type::eof()); 3934 virtual int_type overflow (int_type __c = traits_type::eof()); 3935 virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, 3936 streamsize __n); 3937 virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 3938 ios_base::openmode __wch = ios_base::in | ios_base::out); 3939 virtual pos_type seekpos(pos_type __sp, 3940 ios_base::openmode __wch = ios_base::in | ios_base::out); 3941 virtual int sync(); 3942 3943private: 3944 bool __read_mode(); 3945 void __write_mode(); 3946 wbuffer_convert* __close(); 3947}; 3948 3949_LIBCPP_SUPPRESS_DEPRECATED_PUSH 3950template <class _Codecvt, class _Elem, class _Tr> 3951wbuffer_convert<_Codecvt, _Elem, _Tr>:: 3952 wbuffer_convert(streambuf* __bytebuf, _Codecvt* __pcvt, state_type __state) 3953 : __extbuf_(nullptr), 3954 __extbufnext_(nullptr), 3955 __extbufend_(nullptr), 3956 __ebs_(0), 3957 __intbuf_(0), 3958 __ibs_(0), 3959 __bufptr_(__bytebuf), 3960 __cv_(__pcvt), 3961 __st_(__state), 3962 __cm_(0), 3963 __owns_eb_(false), 3964 __owns_ib_(false), 3965 __always_noconv_(__cv_ ? __cv_->always_noconv() : false) 3966{ 3967 setbuf(0, 4096); 3968} 3969 3970template <class _Codecvt, class _Elem, class _Tr> 3971wbuffer_convert<_Codecvt, _Elem, _Tr>::~wbuffer_convert() 3972{ 3973 __close(); 3974 delete __cv_; 3975 if (__owns_eb_) 3976 delete [] __extbuf_; 3977 if (__owns_ib_) 3978 delete [] __intbuf_; 3979} 3980 3981template <class _Codecvt, class _Elem, class _Tr> 3982typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 3983wbuffer_convert<_Codecvt, _Elem, _Tr>::underflow() 3984{ 3985_LIBCPP_SUPPRESS_DEPRECATED_POP 3986 if (__cv_ == 0 || __bufptr_ == 0) 3987 return traits_type::eof(); 3988 bool __initial = __read_mode(); 3989 char_type __1buf; 3990 if (this->gptr() == 0) 3991 this->setg(&__1buf, &__1buf+1, &__1buf+1); 3992 const size_t __unget_sz = __initial ? 0 : std::min<size_t>((this->egptr() - this->eback()) / 2, 4); 3993 int_type __c = traits_type::eof(); 3994 if (this->gptr() == this->egptr()) 3995 { 3996 _VSTD::memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 3997 if (__always_noconv_) 3998 { 3999 streamsize __nmemb = static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz); 4000 __nmemb = __bufptr_->sgetn((char*)this->eback() + __unget_sz, __nmemb); 4001 if (__nmemb != 0) 4002 { 4003 this->setg(this->eback(), 4004 this->eback() + __unget_sz, 4005 this->eback() + __unget_sz + __nmemb); 4006 __c = *this->gptr(); 4007 } 4008 } 4009 else 4010 { 4011 if (__extbufend_ != __extbufnext_) { 4012 _LIBCPP_ASSERT(__extbufnext_ != nullptr, "underflow moving from nullptr"); 4013 _LIBCPP_ASSERT(__extbuf_ != nullptr, "underflow moving into nullptr"); 4014 _VSTD::memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 4015 } 4016 __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 4017 __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 4018 streamsize __nmemb = _VSTD::min(static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz), 4019 static_cast<streamsize>(__extbufend_ - __extbufnext_)); 4020 codecvt_base::result __r; 4021 // FIXME: Do we ever need to restore the state here? 4022 //state_type __svs = __st_; 4023 streamsize __nr = __bufptr_->sgetn(const_cast<char*>(__extbufnext_), __nmemb); 4024 if (__nr != 0) 4025 { 4026 __extbufend_ = __extbufnext_ + __nr; 4027 char_type* __inext; 4028 __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 4029 this->eback() + __unget_sz, 4030 this->egptr(), __inext); 4031 if (__r == codecvt_base::noconv) 4032 { 4033 this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, 4034 (char_type*) const_cast<char *>(__extbufend_)); 4035 __c = *this->gptr(); 4036 } 4037 else if (__inext != this->eback() + __unget_sz) 4038 { 4039 this->setg(this->eback(), this->eback() + __unget_sz, __inext); 4040 __c = *this->gptr(); 4041 } 4042 } 4043 } 4044 } 4045 else 4046 __c = *this->gptr(); 4047 if (this->eback() == &__1buf) 4048 this->setg(0, 0, 0); 4049 return __c; 4050} 4051 4052_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4053template <class _Codecvt, class _Elem, class _Tr> 4054typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4055wbuffer_convert<_Codecvt, _Elem, _Tr>::pbackfail(int_type __c) 4056{ 4057_LIBCPP_SUPPRESS_DEPRECATED_POP 4058 if (__cv_ != 0 && __bufptr_ != 0 && this->eback() < this->gptr()) 4059 { 4060 if (traits_type::eq_int_type(__c, traits_type::eof())) 4061 { 4062 this->gbump(-1); 4063 return traits_type::not_eof(__c); 4064 } 4065 if (traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 4066 { 4067 this->gbump(-1); 4068 *this->gptr() = traits_type::to_char_type(__c); 4069 return __c; 4070 } 4071 } 4072 return traits_type::eof(); 4073} 4074 4075_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4076template <class _Codecvt, class _Elem, class _Tr> 4077typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4078wbuffer_convert<_Codecvt, _Elem, _Tr>::overflow(int_type __c) 4079{ 4080_LIBCPP_SUPPRESS_DEPRECATED_POP 4081 if (__cv_ == 0 || __bufptr_ == 0) 4082 return traits_type::eof(); 4083 __write_mode(); 4084 char_type __1buf; 4085 char_type* __pb_save = this->pbase(); 4086 char_type* __epb_save = this->epptr(); 4087 if (!traits_type::eq_int_type(__c, traits_type::eof())) 4088 { 4089 if (this->pptr() == 0) 4090 this->setp(&__1buf, &__1buf+1); 4091 *this->pptr() = traits_type::to_char_type(__c); 4092 this->pbump(1); 4093 } 4094 if (this->pptr() != this->pbase()) 4095 { 4096 if (__always_noconv_) 4097 { 4098 streamsize __nmemb = static_cast<streamsize>(this->pptr() - this->pbase()); 4099 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4100 return traits_type::eof(); 4101 } 4102 else 4103 { 4104 char* __extbe = __extbuf_; 4105 codecvt_base::result __r; 4106 do 4107 { 4108 const char_type* __e; 4109 __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 4110 __extbuf_, __extbuf_ + __ebs_, __extbe); 4111 if (__e == this->pbase()) 4112 return traits_type::eof(); 4113 if (__r == codecvt_base::noconv) 4114 { 4115 streamsize __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 4116 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4117 return traits_type::eof(); 4118 } 4119 else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 4120 { 4121 streamsize __nmemb = static_cast<size_t>(__extbe - __extbuf_); 4122 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4123 return traits_type::eof(); 4124 if (__r == codecvt_base::partial) 4125 { 4126 this->setp(const_cast<char_type *>(__e), this->pptr()); 4127 this->__pbump(this->epptr() - this->pbase()); 4128 } 4129 } 4130 else 4131 return traits_type::eof(); 4132 } while (__r == codecvt_base::partial); 4133 } 4134 this->setp(__pb_save, __epb_save); 4135 } 4136 return traits_type::not_eof(__c); 4137} 4138 4139_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4140template <class _Codecvt, class _Elem, class _Tr> 4141basic_streambuf<_Elem, _Tr>* 4142wbuffer_convert<_Codecvt, _Elem, _Tr>::setbuf(char_type* __s, streamsize __n) 4143{ 4144_LIBCPP_SUPPRESS_DEPRECATED_POP 4145 this->setg(0, 0, 0); 4146 this->setp(0, 0); 4147 if (__owns_eb_) 4148 delete [] __extbuf_; 4149 if (__owns_ib_) 4150 delete [] __intbuf_; 4151 __ebs_ = __n; 4152 if (__ebs_ > sizeof(__extbuf_min_)) 4153 { 4154 if (__always_noconv_ && __s) 4155 { 4156 __extbuf_ = (char*)__s; 4157 __owns_eb_ = false; 4158 } 4159 else 4160 { 4161 __extbuf_ = new char[__ebs_]; 4162 __owns_eb_ = true; 4163 } 4164 } 4165 else 4166 { 4167 __extbuf_ = __extbuf_min_; 4168 __ebs_ = sizeof(__extbuf_min_); 4169 __owns_eb_ = false; 4170 } 4171 if (!__always_noconv_) 4172 { 4173 __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 4174 if (__s && __ibs_ >= sizeof(__extbuf_min_)) 4175 { 4176 __intbuf_ = __s; 4177 __owns_ib_ = false; 4178 } 4179 else 4180 { 4181 __intbuf_ = new char_type[__ibs_]; 4182 __owns_ib_ = true; 4183 } 4184 } 4185 else 4186 { 4187 __ibs_ = 0; 4188 __intbuf_ = 0; 4189 __owns_ib_ = false; 4190 } 4191 return this; 4192} 4193 4194_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4195template <class _Codecvt, class _Elem, class _Tr> 4196typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4197wbuffer_convert<_Codecvt, _Elem, _Tr>::seekoff(off_type __off, ios_base::seekdir __way, 4198 ios_base::openmode __om) 4199{ 4200 int __width = __cv_->encoding(); 4201 if (__cv_ == 0 || __bufptr_ == 0 || (__width <= 0 && __off != 0) || sync()) 4202 return pos_type(off_type(-1)); 4203 // __width > 0 || __off == 0, now check __way 4204 if (__way != ios_base::beg && __way != ios_base::cur && __way != ios_base::end) 4205 return pos_type(off_type(-1)); 4206 pos_type __r = __bufptr_->pubseekoff(__width * __off, __way, __om); 4207 __r.state(__st_); 4208 return __r; 4209} 4210 4211template <class _Codecvt, class _Elem, class _Tr> 4212typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4213wbuffer_convert<_Codecvt, _Elem, _Tr>::seekpos(pos_type __sp, ios_base::openmode __wch) 4214{ 4215 if (__cv_ == 0 || __bufptr_ == 0 || sync()) 4216 return pos_type(off_type(-1)); 4217 if (__bufptr_->pubseekpos(__sp, __wch) == pos_type(off_type(-1))) 4218 return pos_type(off_type(-1)); 4219 return __sp; 4220} 4221 4222template <class _Codecvt, class _Elem, class _Tr> 4223int 4224wbuffer_convert<_Codecvt, _Elem, _Tr>::sync() 4225{ 4226_LIBCPP_SUPPRESS_DEPRECATED_POP 4227 if (__cv_ == 0 || __bufptr_ == 0) 4228 return 0; 4229 if (__cm_ & ios_base::out) 4230 { 4231 if (this->pptr() != this->pbase()) 4232 if (overflow() == traits_type::eof()) 4233 return -1; 4234 codecvt_base::result __r; 4235 do 4236 { 4237 char* __extbe; 4238 __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 4239 streamsize __nmemb = static_cast<streamsize>(__extbe - __extbuf_); 4240 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4241 return -1; 4242 } while (__r == codecvt_base::partial); 4243 if (__r == codecvt_base::error) 4244 return -1; 4245 if (__bufptr_->pubsync()) 4246 return -1; 4247 } 4248 else if (__cm_ & ios_base::in) 4249 { 4250 off_type __c; 4251 if (__always_noconv_) 4252 __c = this->egptr() - this->gptr(); 4253 else 4254 { 4255 int __width = __cv_->encoding(); 4256 __c = __extbufend_ - __extbufnext_; 4257 if (__width > 0) 4258 __c += __width * (this->egptr() - this->gptr()); 4259 else 4260 { 4261 if (this->gptr() != this->egptr()) 4262 { 4263 std::reverse(this->gptr(), this->egptr()); 4264 codecvt_base::result __r; 4265 const char_type* __e = this->gptr(); 4266 char* __extbe; 4267 do 4268 { 4269 __r = __cv_->out(__st_, __e, this->egptr(), __e, 4270 __extbuf_, __extbuf_ + __ebs_, __extbe); 4271 switch (__r) 4272 { 4273 case codecvt_base::noconv: 4274 __c += this->egptr() - this->gptr(); 4275 break; 4276 case codecvt_base::ok: 4277 case codecvt_base::partial: 4278 __c += __extbe - __extbuf_; 4279 break; 4280 default: 4281 return -1; 4282 } 4283 } while (__r == codecvt_base::partial); 4284 } 4285 } 4286 } 4287 if (__bufptr_->pubseekoff(-__c, ios_base::cur, __cm_) == pos_type(off_type(-1))) 4288 return -1; 4289 this->setg(0, 0, 0); 4290 __cm_ = 0; 4291 } 4292 return 0; 4293} 4294 4295_LIBCPP_SUPPRESS_DEPRECATED_PUSH 4296template <class _Codecvt, class _Elem, class _Tr> 4297bool 4298wbuffer_convert<_Codecvt, _Elem, _Tr>::__read_mode() 4299{ 4300 if (!(__cm_ & ios_base::in)) 4301 { 4302 this->setp(0, 0); 4303 if (__always_noconv_) 4304 this->setg((char_type*)__extbuf_, 4305 (char_type*)__extbuf_ + __ebs_, 4306 (char_type*)__extbuf_ + __ebs_); 4307 else 4308 this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 4309 __cm_ = ios_base::in; 4310 return true; 4311 } 4312 return false; 4313} 4314 4315template <class _Codecvt, class _Elem, class _Tr> 4316void 4317wbuffer_convert<_Codecvt, _Elem, _Tr>::__write_mode() 4318{ 4319 if (!(__cm_ & ios_base::out)) 4320 { 4321 this->setg(0, 0, 0); 4322 if (__ebs_ > sizeof(__extbuf_min_)) 4323 { 4324 if (__always_noconv_) 4325 this->setp((char_type*)__extbuf_, 4326 (char_type*)__extbuf_ + (__ebs_ - 1)); 4327 else 4328 this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 4329 } 4330 else 4331 this->setp(0, 0); 4332 __cm_ = ios_base::out; 4333 } 4334} 4335 4336template <class _Codecvt, class _Elem, class _Tr> 4337wbuffer_convert<_Codecvt, _Elem, _Tr>* 4338wbuffer_convert<_Codecvt, _Elem, _Tr>::__close() 4339{ 4340 wbuffer_convert* __rt = nullptr; 4341 if (__cv_ != nullptr && __bufptr_ != nullptr) 4342 { 4343 __rt = this; 4344 if ((__cm_ & ios_base::out) && sync()) 4345 __rt = nullptr; 4346 } 4347 return __rt; 4348} 4349 4350_LIBCPP_SUPPRESS_DEPRECATED_POP 4351 4352_LIBCPP_END_NAMESPACE_STD 4353 4354_LIBCPP_POP_MACROS 4355 4356// NOLINTEND(libcpp-robust-against-adl) 4357 4358#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 4359# include <atomic> 4360# include <concepts> 4361# include <cstdarg> 4362# include <iterator> 4363# include <stdexcept> 4364# include <type_traits> 4365# include <typeinfo> 4366#endif 4367 4368#endif // _LIBCPP_LOCALE 4369