1// -*- C++ -*- 2//===-------------------------- locale ------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_LOCALE 12#define _LIBCPP_LOCALE 13 14/* 15 locale synopsis 16 17namespace std 18{ 19 20class locale 21{ 22public: 23 // types: 24 class facet; 25 class id; 26 27 typedef int category; 28 static const category // values assigned here are for exposition only 29 none = 0x000, 30 collate = 0x010, 31 ctype = 0x020, 32 monetary = 0x040, 33 numeric = 0x080, 34 time = 0x100, 35 messages = 0x200, 36 all = collate | ctype | monetary | numeric | time | messages; 37 38 // construct/copy/destroy: 39 locale() noexcept; 40 locale(const locale& other) noexcept; 41 explicit locale(const char* std_name); 42 explicit locale(const string& std_name); 43 locale(const locale& other, const char* std_name, category); 44 locale(const locale& other, const string& std_name, category); 45 template <class Facet> locale(const locale& other, Facet* f); 46 locale(const locale& other, const locale& one, category); 47 48 ~locale(); // not virtual 49 50 const locale& operator=(const locale& other) noexcept; 51 52 template <class Facet> locale combine(const locale& other) const; 53 54 // locale operations: 55 basic_string<char> name() const; 56 bool operator==(const locale& other) const; 57 bool operator!=(const locale& other) const; 58 template <class charT, class Traits, class Allocator> 59 bool operator()(const basic_string<charT,Traits,Allocator>& s1, 60 const basic_string<charT,Traits,Allocator>& s2) const; 61 62 // global locale objects: 63 static locale global(const locale&); 64 static const locale& classic(); 65}; 66 67template <class Facet> const Facet& use_facet(const locale&); 68template <class Facet> bool has_facet(const locale&) noexcept; 69 70// 22.3.3, convenience interfaces: 71template <class charT> bool isspace (charT c, const locale& loc); 72template <class charT> bool isprint (charT c, const locale& loc); 73template <class charT> bool iscntrl (charT c, const locale& loc); 74template <class charT> bool isupper (charT c, const locale& loc); 75template <class charT> bool islower (charT c, const locale& loc); 76template <class charT> bool isalpha (charT c, const locale& loc); 77template <class charT> bool isdigit (charT c, const locale& loc); 78template <class charT> bool ispunct (charT c, const locale& loc); 79template <class charT> bool isxdigit(charT c, const locale& loc); 80template <class charT> bool isalnum (charT c, const locale& loc); 81template <class charT> bool isgraph (charT c, const locale& loc); 82template <class charT> charT toupper(charT c, const locale& loc); 83template <class charT> charT tolower(charT c, const locale& loc); 84 85template<class Codecvt, class Elem = wchar_t, 86 class Wide_alloc = allocator<Elem>, 87 class Byte_alloc = allocator<char>> 88class wstring_convert 89{ 90public: 91 typedef basic_string<char, char_traits<char>, Byte_alloc> byte_string; 92 typedef basic_string<Elem, char_traits<Elem>, Wide_alloc> wide_string; 93 typedef typename Codecvt::state_type state_type; 94 typedef typename wide_string::traits_type::int_type int_type; 95 96 explicit wstring_convert(Codecvt* pcvt = new Codecvt); // explicit in C++14 97 wstring_convert(Codecvt* pcvt, state_type state); 98 explicit wstring_convert(const byte_string& byte_err, // explicit in C++14 99 const wide_string& wide_err = wide_string()); 100 wstring_convert(const wstring_convert&) = delete; // C++14 101 wstring_convert & operator=(const wstring_convert &) = delete; // C++14 102 ~wstring_convert(); 103 104 wide_string from_bytes(char byte); 105 wide_string from_bytes(const char* ptr); 106 wide_string from_bytes(const byte_string& str); 107 wide_string from_bytes(const char* first, const char* last); 108 109 byte_string to_bytes(Elem wchar); 110 byte_string to_bytes(const Elem* wptr); 111 byte_string to_bytes(const wide_string& wstr); 112 byte_string to_bytes(const Elem* first, const Elem* last); 113 114 size_t converted() const; // noexcept in C++14 115 state_type state() const; 116}; 117 118template <class Codecvt, class Elem = wchar_t, class Tr = char_traits<Elem>> 119class wbuffer_convert 120 : public basic_streambuf<Elem, Tr> 121{ 122public: 123 typedef typename Tr::state_type state_type; 124 125 explicit wbuffer_convert(streambuf* bytebuf = 0, Codecvt* pcvt = new Codecvt, 126 state_type state = state_type()); // explicit in C++14 127 wbuffer_convert(const wbuffer_convert&) = delete; // C++14 128 wbuffer_convert & operator=(const wbuffer_convert &) = delete; // C++14 129 ~wbuffer_convert(); // C++14 130 131 streambuf* rdbuf() const; 132 streambuf* rdbuf(streambuf* bytebuf); 133 134 state_type state() const; 135}; 136 137// 22.4.1 and 22.4.1.3, ctype: 138class ctype_base; 139template <class charT> class ctype; 140template <> class ctype<char>; // specialization 141template <class charT> class ctype_byname; 142template <> class ctype_byname<char>; // specialization 143 144class codecvt_base; 145template <class internT, class externT, class stateT> class codecvt; 146template <class internT, class externT, class stateT> class codecvt_byname; 147 148// 22.4.2 and 22.4.3, numeric: 149template <class charT, class InputIterator> class num_get; 150template <class charT, class OutputIterator> class num_put; 151template <class charT> class numpunct; 152template <class charT> class numpunct_byname; 153 154// 22.4.4, col lation: 155template <class charT> class collate; 156template <class charT> class collate_byname; 157 158// 22.4.5, date and time: 159class time_base; 160template <class charT, class InputIterator> class time_get; 161template <class charT, class InputIterator> class time_get_byname; 162template <class charT, class OutputIterator> class time_put; 163template <class charT, class OutputIterator> class time_put_byname; 164 165// 22.4.6, money: 166class money_base; 167template <class charT, class InputIterator> class money_get; 168template <class charT, class OutputIterator> class money_put; 169template <class charT, bool Intl> class moneypunct; 170template <class charT, bool Intl> class moneypunct_byname; 171 172// 22.4.7, message retrieval: 173class messages_base; 174template <class charT> class messages; 175template <class charT> class messages_byname; 176 177} // std 178 179*/ 180 181#include <__config> 182#include <__locale> 183#include <algorithm> 184#include <memory> 185#include <ios> 186#include <streambuf> 187#include <iterator> 188#include <limits> 189#ifndef __APPLE__ 190#include <cstdarg> 191#endif 192#include <cstdlib> 193#include <ctime> 194#if defined(_LIBCPP_MSVCRT) || defined(__MINGW32__) 195#include <support/win32/locale_win32.h> 196#elif defined(_NEWLIB_VERSION) 197// FIXME: replace all the uses of _NEWLIB_VERSION with __NEWLIB__ preceded by an 198// include of <sys/cdefs.h> once https://sourceware.org/ml/newlib-cvs/2014-q3/msg00038.html 199// has had a chance to bake for a bit 200#include <support/newlib/xlocale.h> 201#elif !defined(__ANDROID__) 202#include <nl_types.h> 203#endif 204 205#ifdef __APPLE__ 206#include <Availability.h> 207#endif 208 209#include <__undef_min_max> 210 211#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 212#pragma GCC system_header 213#endif 214 215_LIBCPP_BEGIN_NAMESPACE_STD 216 217#if defined(__APPLE__) || defined(__FreeBSD__) 218# define _LIBCPP_GET_C_LOCALE 0 219#elif defined(__NetBSD__) 220# define _LIBCPP_GET_C_LOCALE LC_C_LOCALE 221#else 222# define _LIBCPP_GET_C_LOCALE __cloc() 223 // Get the C locale object 224 _LIBCPP_FUNC_VIS locale_t __cloc(); 225#define __cloc_defined 226#endif 227 228typedef _VSTD::remove_pointer<locale_t>::type __locale_struct; 229typedef _VSTD::unique_ptr<__locale_struct, decltype(&freelocale)> __locale_unique_ptr; 230#ifndef _LIBCPP_LOCALE__L_EXTENSIONS 231typedef _VSTD::unique_ptr<__locale_struct, decltype(&uselocale)> __locale_raii; 232#endif 233 234// OSX has nice foo_l() functions that let you turn off use of the global 235// locale. Linux, not so much. The following functions avoid the locale when 236// that's possible and otherwise do the wrong thing. FIXME. 237#if defined(__linux__) || defined(__EMSCRIPTEN__) || defined(_AIX) || \ 238 defined(_NEWLIB_VERSION) 239 240#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 241decltype(MB_CUR_MAX_L(_VSTD::declval<locale_t>())) 242inline _LIBCPP_INLINE_VISIBILITY 243__mb_cur_max_l(locale_t __l) 244{ 245 return MB_CUR_MAX_L(__l); 246} 247#else // _LIBCPP_LOCALE__L_EXTENSIONS 248inline _LIBCPP_ALWAYS_INLINE 249decltype(MB_CUR_MAX) __mb_cur_max_l(locale_t __l) 250{ 251 __locale_raii __current(uselocale(__l), uselocale); 252 return MB_CUR_MAX; 253} 254#endif // _LIBCPP_LOCALE__L_EXTENSIONS 255 256inline _LIBCPP_ALWAYS_INLINE 257wint_t __btowc_l(int __c, locale_t __l) 258{ 259#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 260 return btowc_l(__c, __l); 261#else 262 __locale_raii __current(uselocale(__l), uselocale); 263 return btowc(__c); 264#endif 265} 266 267inline _LIBCPP_ALWAYS_INLINE 268int __wctob_l(wint_t __c, locale_t __l) 269{ 270#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 271 return wctob_l(__c, __l); 272#else 273 __locale_raii __current(uselocale(__l), uselocale); 274 return wctob(__c); 275#endif 276} 277 278inline _LIBCPP_ALWAYS_INLINE 279size_t __wcsnrtombs_l(char *__dest, const wchar_t **__src, size_t __nwc, 280 size_t __len, mbstate_t *__ps, locale_t __l) 281{ 282#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 283 return wcsnrtombs_l(__dest, __src, __nwc, __len, __ps, __l); 284#else 285 __locale_raii __current(uselocale(__l), uselocale); 286 return wcsnrtombs(__dest, __src, __nwc, __len, __ps); 287#endif 288} 289 290inline _LIBCPP_ALWAYS_INLINE 291size_t __wcrtomb_l(char *__s, wchar_t __wc, mbstate_t *__ps, locale_t __l) 292{ 293#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 294 return wcrtomb_l(__s, __wc, __ps, __l); 295#else 296 __locale_raii __current(uselocale(__l), uselocale); 297 return wcrtomb(__s, __wc, __ps); 298#endif 299} 300 301inline _LIBCPP_ALWAYS_INLINE 302size_t __mbsnrtowcs_l(wchar_t * __dest, const char **__src, size_t __nms, 303 size_t __len, mbstate_t *__ps, locale_t __l) 304{ 305#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 306 return mbsnrtowcs_l(__dest, __src, __nms, __len, __ps, __l); 307#else 308 __locale_raii __current(uselocale(__l), uselocale); 309 return mbsnrtowcs(__dest, __src, __nms, __len, __ps); 310#endif 311} 312 313inline _LIBCPP_ALWAYS_INLINE 314size_t __mbrtowc_l(wchar_t *__pwc, const char *__s, size_t __n, 315 mbstate_t *__ps, locale_t __l) 316{ 317#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 318 return mbrtowc_l(__pwc, __s, __n, __ps, __l); 319#else 320 __locale_raii __current(uselocale(__l), uselocale); 321 return mbrtowc(__pwc, __s, __n, __ps); 322#endif 323} 324 325inline _LIBCPP_ALWAYS_INLINE 326int __mbtowc_l(wchar_t *__pwc, const char *__pmb, size_t __max, locale_t __l) 327{ 328#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 329 return mbtowc_l(__pwc, __pmb, __max, __l); 330#else 331 __locale_raii __current(uselocale(__l), uselocale); 332 return mbtowc(__pwc, __pmb, __max); 333#endif 334} 335 336inline _LIBCPP_ALWAYS_INLINE 337size_t __mbrlen_l(const char *__s, size_t __n, mbstate_t *__ps, locale_t __l) 338{ 339#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 340 return mbrlen_l(__s, __n, __ps, __l); 341#else 342 __locale_raii __current(uselocale(__l), uselocale); 343 return mbrlen(__s, __n, __ps); 344#endif 345} 346 347inline _LIBCPP_ALWAYS_INLINE 348lconv *__localeconv_l(locale_t __l) 349{ 350#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 351 return localeconv_l(__l); 352#else 353 __locale_raii __current(uselocale(__l), uselocale); 354 return localeconv(); 355#endif 356} 357 358inline _LIBCPP_ALWAYS_INLINE 359size_t __mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len, 360 mbstate_t *__ps, locale_t __l) 361{ 362#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 363 return mbsrtowcs_l(__dest, __src, __len, __ps, __l); 364#else 365 __locale_raii __current(uselocale(__l), uselocale); 366 return mbsrtowcs(__dest, __src, __len, __ps); 367#endif 368} 369 370inline 371int __snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) { 372 va_list __va; 373 va_start(__va, __format); 374#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 375 int __res = vsnprintf_l(__s, __n, __l, __format, __va); 376#else 377 __locale_raii __current(uselocale(__l), uselocale); 378 int __res = vsnprintf(__s, __n, __format, __va); 379#endif 380 va_end(__va); 381 return __res; 382} 383 384inline 385int __asprintf_l(char **__s, locale_t __l, const char *__format, ...) { 386 va_list __va; 387 va_start(__va, __format); 388#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 389 int __res = vasprintf_l(__s, __l, __format, __va); 390#else 391 __locale_raii __current(uselocale(__l), uselocale); 392 int __res = vasprintf(__s, __format, __va); 393#endif 394 va_end(__va); 395 return __res; 396} 397 398inline 399int __sscanf_l(const char *__s, locale_t __l, const char *__format, ...) { 400 va_list __va; 401 va_start(__va, __format); 402#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 403 int __res = vsscanf_l(__s, __l, __format, __va); 404#else 405 __locale_raii __current(uselocale(__l), uselocale); 406 int __res = vsscanf(__s, __format, __va); 407#endif 408 va_end(__va); 409 return __res; 410} 411 412#endif // __linux__ 413 414// __scan_keyword 415// Scans [__b, __e) until a match is found in the basic_strings range 416// [__kb, __ke) or until it can be shown that there is no match in [__kb, __ke). 417// __b will be incremented (visibly), consuming CharT until a match is found 418// or proved to not exist. A keyword may be "", in which will match anything. 419// If one keyword is a prefix of another, and the next CharT in the input 420// might match another keyword, the algorithm will attempt to find the longest 421// matching keyword. If the longer matching keyword ends up not matching, then 422// no keyword match is found. If no keyword match is found, __ke is returned 423// and failbit is set in __err. 424// Else an iterator pointing to the matching keyword is found. If more than 425// one keyword matches, an iterator to the first matching keyword is returned. 426// If on exit __b == __e, eofbit is set in __err. If __case_sensitive is false, 427// __ct is used to force to lower case before comparing characters. 428// Examples: 429// Keywords: "a", "abb" 430// If the input is "a", the first keyword matches and eofbit is set. 431// If the input is "abc", no match is found and "ab" are consumed. 432template <class _InputIterator, class _ForwardIterator, class _Ctype> 433_LIBCPP_HIDDEN 434_ForwardIterator 435__scan_keyword(_InputIterator& __b, _InputIterator __e, 436 _ForwardIterator __kb, _ForwardIterator __ke, 437 const _Ctype& __ct, ios_base::iostate& __err, 438 bool __case_sensitive = true) 439{ 440 typedef typename iterator_traits<_InputIterator>::value_type _CharT; 441 size_t __nkw = static_cast<size_t>(_VSTD::distance(__kb, __ke)); 442 const unsigned char __doesnt_match = '\0'; 443 const unsigned char __might_match = '\1'; 444 const unsigned char __does_match = '\2'; 445 unsigned char __statbuf[100]; 446 unsigned char* __status = __statbuf; 447 unique_ptr<unsigned char, void(*)(void*)> __stat_hold(0, free); 448 if (__nkw > sizeof(__statbuf)) 449 { 450 __status = (unsigned char*)malloc(__nkw); 451 if (__status == 0) 452 __throw_bad_alloc(); 453 __stat_hold.reset(__status); 454 } 455 size_t __n_might_match = __nkw; // At this point, any keyword might match 456 size_t __n_does_match = 0; // but none of them definitely do 457 // Initialize all statuses to __might_match, except for "" keywords are __does_match 458 unsigned char* __st = __status; 459 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 460 { 461 if (!__ky->empty()) 462 *__st = __might_match; 463 else 464 { 465 *__st = __does_match; 466 --__n_might_match; 467 ++__n_does_match; 468 } 469 } 470 // While there might be a match, test keywords against the next CharT 471 for (size_t __indx = 0; __b != __e && __n_might_match > 0; ++__indx) 472 { 473 // Peek at the next CharT but don't consume it 474 _CharT __c = *__b; 475 if (!__case_sensitive) 476 __c = __ct.toupper(__c); 477 bool __consume = false; 478 // For each keyword which might match, see if the __indx character is __c 479 // If a match if found, consume __c 480 // If a match is found, and that is the last character in the keyword, 481 // then that keyword matches. 482 // If the keyword doesn't match this character, then change the keyword 483 // to doesn't match 484 __st = __status; 485 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 486 { 487 if (*__st == __might_match) 488 { 489 _CharT __kc = (*__ky)[__indx]; 490 if (!__case_sensitive) 491 __kc = __ct.toupper(__kc); 492 if (__c == __kc) 493 { 494 __consume = true; 495 if (__ky->size() == __indx+1) 496 { 497 *__st = __does_match; 498 --__n_might_match; 499 ++__n_does_match; 500 } 501 } 502 else 503 { 504 *__st = __doesnt_match; 505 --__n_might_match; 506 } 507 } 508 } 509 // consume if we matched a character 510 if (__consume) 511 { 512 ++__b; 513 // If we consumed a character and there might be a matched keyword that 514 // was marked matched on a previous iteration, then such keywords 515 // which are now marked as not matching. 516 if (__n_might_match + __n_does_match > 1) 517 { 518 __st = __status; 519 for (_ForwardIterator __ky = __kb; __ky != __ke; ++__ky, (void) ++__st) 520 { 521 if (*__st == __does_match && __ky->size() != __indx+1) 522 { 523 *__st = __doesnt_match; 524 --__n_does_match; 525 } 526 } 527 } 528 } 529 } 530 // We've exited the loop because we hit eof and/or we have no more "might matches". 531 if (__b == __e) 532 __err |= ios_base::eofbit; 533 // Return the first matching result 534 for (__st = __status; __kb != __ke; ++__kb, (void) ++__st) 535 if (*__st == __does_match) 536 break; 537 if (__kb == __ke) 538 __err |= ios_base::failbit; 539 return __kb; 540} 541 542struct _LIBCPP_TYPE_VIS __num_get_base 543{ 544 static const int __num_get_buf_sz = 40; 545 546 static int __get_base(ios_base&); 547 static const char __src[33]; 548}; 549 550_LIBCPP_FUNC_VIS 551void __check_grouping(const string& __grouping, unsigned* __g, unsigned* __g_end, 552 ios_base::iostate& __err); 553 554template <class _CharT> 555struct __num_get 556 : protected __num_get_base 557{ 558 static string __stage2_int_prep(ios_base& __iob, _CharT* __atoms, _CharT& __thousands_sep); 559 static string __stage2_float_prep(ios_base& __iob, _CharT* __atoms, _CharT& __decimal_point, 560 _CharT& __thousands_sep); 561 static int __stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 562 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 563 unsigned* __g, unsigned*& __g_end, _CharT* __atoms); 564 static int __stage2_float_loop(_CharT __ct, bool& __in_units, char& __exp, 565 char* __a, char*& __a_end, 566 _CharT __decimal_point, _CharT __thousands_sep, 567 const string& __grouping, unsigned* __g, 568 unsigned*& __g_end, unsigned& __dc, _CharT* __atoms); 569}; 570 571template <class _CharT> 572string 573__num_get<_CharT>::__stage2_int_prep(ios_base& __iob, _CharT* __atoms, _CharT& __thousands_sep) 574{ 575 locale __loc = __iob.getloc(); 576 use_facet<ctype<_CharT> >(__loc).widen(__src, __src + 26, __atoms); 577 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); 578 __thousands_sep = __np.thousands_sep(); 579 return __np.grouping(); 580} 581 582template <class _CharT> 583string 584__num_get<_CharT>::__stage2_float_prep(ios_base& __iob, _CharT* __atoms, _CharT& __decimal_point, 585 _CharT& __thousands_sep) 586{ 587 locale __loc = __iob.getloc(); 588 use_facet<ctype<_CharT> >(__loc).widen(__src, __src + 32, __atoms); 589 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__loc); 590 __decimal_point = __np.decimal_point(); 591 __thousands_sep = __np.thousands_sep(); 592 return __np.grouping(); 593} 594 595template <class _CharT> 596int 597__num_get<_CharT>::__stage2_int_loop(_CharT __ct, int __base, char* __a, char*& __a_end, 598 unsigned& __dc, _CharT __thousands_sep, const string& __grouping, 599 unsigned* __g, unsigned*& __g_end, _CharT* __atoms) 600{ 601 if (__a_end == __a && (__ct == __atoms[24] || __ct == __atoms[25])) 602 { 603 *__a_end++ = __ct == __atoms[24] ? '+' : '-'; 604 __dc = 0; 605 return 0; 606 } 607 if (__grouping.size() != 0 && __ct == __thousands_sep) 608 { 609 if (__g_end-__g < __num_get_buf_sz) 610 { 611 *__g_end++ = __dc; 612 __dc = 0; 613 } 614 return 0; 615 } 616 ptrdiff_t __f = find(__atoms, __atoms + 26, __ct) - __atoms; 617 if (__f >= 24) 618 return -1; 619 switch (__base) 620 { 621 case 8: 622 case 10: 623 if (__f >= __base) 624 return -1; 625 break; 626 case 16: 627 if (__f < 22) 628 break; 629 if (__a_end != __a && __a_end - __a <= 2 && __a_end[-1] == '0') 630 { 631 __dc = 0; 632 *__a_end++ = __src[__f]; 633 return 0; 634 } 635 return -1; 636 } 637 *__a_end++ = __src[__f]; 638 ++__dc; 639 return 0; 640} 641 642template <class _CharT> 643int 644__num_get<_CharT>::__stage2_float_loop(_CharT __ct, bool& __in_units, char& __exp, char* __a, char*& __a_end, 645 _CharT __decimal_point, _CharT __thousands_sep, const string& __grouping, 646 unsigned* __g, unsigned*& __g_end, unsigned& __dc, _CharT* __atoms) 647{ 648 if (__ct == __decimal_point) 649 { 650 if (!__in_units) 651 return -1; 652 __in_units = false; 653 *__a_end++ = '.'; 654 if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz) 655 *__g_end++ = __dc; 656 return 0; 657 } 658 if (__ct == __thousands_sep && __grouping.size() != 0) 659 { 660 if (!__in_units) 661 return -1; 662 if (__g_end-__g < __num_get_buf_sz) 663 { 664 *__g_end++ = __dc; 665 __dc = 0; 666 } 667 return 0; 668 } 669 ptrdiff_t __f = find(__atoms, __atoms + 32, __ct) - __atoms; 670 if (__f >= 32) 671 return -1; 672 char __x = __src[__f]; 673 if (__x == '-' || __x == '+') 674 { 675 if (__a_end == __a || (__a_end[-1] & 0x5F) == (__exp & 0x7F)) 676 { 677 *__a_end++ = __x; 678 return 0; 679 } 680 return -1; 681 } 682 if (__x == 'x' || __x == 'X') 683 __exp = 'P'; 684 else if ((__x & 0x5F) == __exp) 685 { 686 __exp |= 0x80; 687 if (__in_units) 688 { 689 __in_units = false; 690 if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz) 691 *__g_end++ = __dc; 692 } 693 } 694 *__a_end++ = __x; 695 if (__f >= 22) 696 return 0; 697 ++__dc; 698 return 0; 699} 700 701_LIBCPP_EXTERN_TEMPLATE2(struct _LIBCPP_TYPE_VIS __num_get<char>) 702_LIBCPP_EXTERN_TEMPLATE2(struct _LIBCPP_TYPE_VIS __num_get<wchar_t>) 703 704template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 705class _LIBCPP_TYPE_VIS_ONLY num_get 706 : public locale::facet, 707 private __num_get<_CharT> 708{ 709public: 710 typedef _CharT char_type; 711 typedef _InputIterator iter_type; 712 713 _LIBCPP_ALWAYS_INLINE 714 explicit num_get(size_t __refs = 0) 715 : locale::facet(__refs) {} 716 717 _LIBCPP_ALWAYS_INLINE 718 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 719 ios_base::iostate& __err, bool& __v) const 720 { 721 return do_get(__b, __e, __iob, __err, __v); 722 } 723 724 _LIBCPP_ALWAYS_INLINE 725 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 726 ios_base::iostate& __err, long& __v) const 727 { 728 return do_get(__b, __e, __iob, __err, __v); 729 } 730 731 _LIBCPP_ALWAYS_INLINE 732 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 733 ios_base::iostate& __err, long long& __v) const 734 { 735 return do_get(__b, __e, __iob, __err, __v); 736 } 737 738 _LIBCPP_ALWAYS_INLINE 739 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 740 ios_base::iostate& __err, unsigned short& __v) const 741 { 742 return do_get(__b, __e, __iob, __err, __v); 743 } 744 745 _LIBCPP_ALWAYS_INLINE 746 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 747 ios_base::iostate& __err, unsigned int& __v) const 748 { 749 return do_get(__b, __e, __iob, __err, __v); 750 } 751 752 _LIBCPP_ALWAYS_INLINE 753 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 754 ios_base::iostate& __err, unsigned long& __v) const 755 { 756 return do_get(__b, __e, __iob, __err, __v); 757 } 758 759 _LIBCPP_ALWAYS_INLINE 760 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 761 ios_base::iostate& __err, unsigned long long& __v) const 762 { 763 return do_get(__b, __e, __iob, __err, __v); 764 } 765 766 _LIBCPP_ALWAYS_INLINE 767 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 768 ios_base::iostate& __err, float& __v) const 769 { 770 return do_get(__b, __e, __iob, __err, __v); 771 } 772 773 _LIBCPP_ALWAYS_INLINE 774 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 775 ios_base::iostate& __err, double& __v) const 776 { 777 return do_get(__b, __e, __iob, __err, __v); 778 } 779 780 _LIBCPP_ALWAYS_INLINE 781 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 782 ios_base::iostate& __err, long double& __v) const 783 { 784 return do_get(__b, __e, __iob, __err, __v); 785 } 786 787 _LIBCPP_ALWAYS_INLINE 788 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 789 ios_base::iostate& __err, void*& __v) const 790 { 791 return do_get(__b, __e, __iob, __err, __v); 792 } 793 794 static locale::id id; 795 796protected: 797 _LIBCPP_ALWAYS_INLINE 798 ~num_get() {} 799 800 template <class _Fp> 801 iter_type __do_get_floating_point 802 (iter_type __b, iter_type __e, ios_base& __iob, 803 ios_base::iostate& __err, _Fp& __v) const; 804 805 template <class _Signed> 806 iter_type __do_get_signed 807 (iter_type __b, iter_type __e, ios_base& __iob, 808 ios_base::iostate& __err, _Signed& __v) const; 809 810 template <class _Unsigned> 811 iter_type __do_get_unsigned 812 (iter_type __b, iter_type __e, ios_base& __iob, 813 ios_base::iostate& __err, _Unsigned& __v) const; 814 815 816 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 817 ios_base::iostate& __err, bool& __v) const; 818 819 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 820 ios_base::iostate& __err, long& __v) const 821 { return this->__do_get_signed ( __b, __e, __iob, __err, __v ); } 822 823 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 824 ios_base::iostate& __err, long long& __v) const 825 { return this->__do_get_signed ( __b, __e, __iob, __err, __v ); } 826 827 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 828 ios_base::iostate& __err, unsigned short& __v) const 829 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 830 831 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 832 ios_base::iostate& __err, unsigned int& __v) const 833 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 834 835 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 836 ios_base::iostate& __err, unsigned long& __v) const 837 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 838 839 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 840 ios_base::iostate& __err, unsigned long long& __v) const 841 { return this->__do_get_unsigned ( __b, __e, __iob, __err, __v ); } 842 843 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 844 ios_base::iostate& __err, float& __v) const 845 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 846 847 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 848 ios_base::iostate& __err, double& __v) const 849 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 850 851 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 852 ios_base::iostate& __err, long double& __v) const 853 { return this->__do_get_floating_point ( __b, __e, __iob, __err, __v ); } 854 855 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 856 ios_base::iostate& __err, void*& __v) const; 857}; 858 859template <class _CharT, class _InputIterator> 860locale::id 861num_get<_CharT, _InputIterator>::id; 862 863template <class _Tp> 864_Tp 865__num_get_signed_integral(const char* __a, const char* __a_end, 866 ios_base::iostate& __err, int __base) 867{ 868 if (__a != __a_end) 869 { 870 typename remove_reference<decltype(errno)>::type __save_errno = errno; 871 errno = 0; 872 char *__p2; 873 long long __ll = strtoll_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE); 874 typename remove_reference<decltype(errno)>::type __current_errno = errno; 875 if (__current_errno == 0) 876 errno = __save_errno; 877 if (__p2 != __a_end) 878 { 879 __err = ios_base::failbit; 880 return 0; 881 } 882 else if (__current_errno == ERANGE || 883 __ll < numeric_limits<_Tp>::min() || 884 numeric_limits<_Tp>::max() < __ll) 885 { 886 __err = ios_base::failbit; 887 if (__ll > 0) 888 return numeric_limits<_Tp>::max(); 889 else 890 return numeric_limits<_Tp>::min(); 891 } 892 return static_cast<_Tp>(__ll); 893 } 894 __err = ios_base::failbit; 895 return 0; 896} 897 898template <class _Tp> 899_Tp 900__num_get_unsigned_integral(const char* __a, const char* __a_end, 901 ios_base::iostate& __err, int __base) 902{ 903 if (__a != __a_end) 904 { 905 if (*__a == '-') 906 { 907 __err = ios_base::failbit; 908 return 0; 909 } 910 typename remove_reference<decltype(errno)>::type __save_errno = errno; 911 errno = 0; 912 char *__p2; 913 unsigned long long __ll = strtoull_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE); 914 typename remove_reference<decltype(errno)>::type __current_errno = errno; 915 if (__current_errno == 0) 916 errno = __save_errno; 917 if (__p2 != __a_end) 918 { 919 __err = ios_base::failbit; 920 return 0; 921 } 922 else if (__current_errno == ERANGE || 923 numeric_limits<_Tp>::max() < __ll) 924 { 925 __err = ios_base::failbit; 926 return numeric_limits<_Tp>::max(); 927 } 928 return static_cast<_Tp>(__ll); 929 } 930 __err = ios_base::failbit; 931 return 0; 932} 933 934template <class _Tp> 935_Tp 936__num_get_float(const char* __a, const char* __a_end, ios_base::iostate& __err) 937{ 938 if (__a != __a_end) 939 { 940 typename remove_reference<decltype(errno)>::type __save_errno = errno; 941 errno = 0; 942 char *__p2; 943 long double __ld = strtold_l(__a, &__p2, _LIBCPP_GET_C_LOCALE); 944 typename remove_reference<decltype(errno)>::type __current_errno = errno; 945 if (__current_errno == 0) 946 errno = __save_errno; 947 if (__p2 != __a_end) 948 { 949 __err = ios_base::failbit; 950 return 0; 951 } 952 else if (__current_errno == ERANGE) 953 __err = ios_base::failbit; 954 return static_cast<_Tp>(__ld); 955 } 956 __err = ios_base::failbit; 957 return 0; 958} 959 960template <class _CharT, class _InputIterator> 961_InputIterator 962num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 963 ios_base& __iob, 964 ios_base::iostate& __err, 965 bool& __v) const 966{ 967 if ((__iob.flags() & ios_base::boolalpha) == 0) 968 { 969 long __lv = -1; 970 __b = do_get(__b, __e, __iob, __err, __lv); 971 switch (__lv) 972 { 973 case 0: 974 __v = false; 975 break; 976 case 1: 977 __v = true; 978 break; 979 default: 980 __v = true; 981 __err = ios_base::failbit; 982 break; 983 } 984 return __b; 985 } 986 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> >(__iob.getloc()); 987 const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__iob.getloc()); 988 typedef typename numpunct<_CharT>::string_type string_type; 989 const string_type __names[2] = {__np.truename(), __np.falsename()}; 990 const string_type* __i = __scan_keyword(__b, __e, __names, __names+2, 991 __ct, __err); 992 __v = __i == __names; 993 return __b; 994} 995 996// signed 997 998template <class _CharT, class _InputIterator> 999template <class _Signed> 1000_InputIterator 1001num_get<_CharT, _InputIterator>::__do_get_signed(iter_type __b, iter_type __e, 1002 ios_base& __iob, 1003 ios_base::iostate& __err, 1004 _Signed& __v) const 1005{ 1006 // Stage 1 1007 int __base = this->__get_base(__iob); 1008 // Stage 2 1009 char_type __atoms[26]; 1010 char_type __thousands_sep; 1011 string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep); 1012 string __buf; 1013 __buf.resize(__buf.capacity()); 1014 char* __a = &__buf[0]; 1015 char* __a_end = __a; 1016 unsigned __g[__num_get_base::__num_get_buf_sz]; 1017 unsigned* __g_end = __g; 1018 unsigned __dc = 0; 1019 for (; __b != __e; ++__b) 1020 { 1021 if (__a_end == __a + __buf.size()) 1022 { 1023 size_t __tmp = __buf.size(); 1024 __buf.resize(2*__buf.size()); 1025 __buf.resize(__buf.capacity()); 1026 __a = &__buf[0]; 1027 __a_end = __a + __tmp; 1028 } 1029 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 1030 __thousands_sep, __grouping, __g, __g_end, 1031 __atoms)) 1032 break; 1033 } 1034 if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz) 1035 *__g_end++ = __dc; 1036 // Stage 3 1037 __v = __num_get_signed_integral<_Signed>(__a, __a_end, __err, __base); 1038 // Digit grouping checked 1039 __check_grouping(__grouping, __g, __g_end, __err); 1040 // EOF checked 1041 if (__b == __e) 1042 __err |= ios_base::eofbit; 1043 return __b; 1044} 1045 1046// unsigned 1047 1048template <class _CharT, class _InputIterator> 1049template <class _Unsigned> 1050_InputIterator 1051num_get<_CharT, _InputIterator>::__do_get_unsigned(iter_type __b, iter_type __e, 1052 ios_base& __iob, 1053 ios_base::iostate& __err, 1054 _Unsigned& __v) const 1055{ 1056 // Stage 1 1057 int __base = this->__get_base(__iob); 1058 // Stage 2 1059 char_type __atoms[26]; 1060 char_type __thousands_sep; 1061 string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep); 1062 string __buf; 1063 __buf.resize(__buf.capacity()); 1064 char* __a = &__buf[0]; 1065 char* __a_end = __a; 1066 unsigned __g[__num_get_base::__num_get_buf_sz]; 1067 unsigned* __g_end = __g; 1068 unsigned __dc = 0; 1069 for (; __b != __e; ++__b) 1070 { 1071 if (__a_end == __a + __buf.size()) 1072 { 1073 size_t __tmp = __buf.size(); 1074 __buf.resize(2*__buf.size()); 1075 __buf.resize(__buf.capacity()); 1076 __a = &__buf[0]; 1077 __a_end = __a + __tmp; 1078 } 1079 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 1080 __thousands_sep, __grouping, __g, __g_end, 1081 __atoms)) 1082 break; 1083 } 1084 if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz) 1085 *__g_end++ = __dc; 1086 // Stage 3 1087 __v = __num_get_unsigned_integral<_Unsigned>(__a, __a_end, __err, __base); 1088 // Digit grouping checked 1089 __check_grouping(__grouping, __g, __g_end, __err); 1090 // EOF checked 1091 if (__b == __e) 1092 __err |= ios_base::eofbit; 1093 return __b; 1094} 1095 1096// floating point 1097 1098template <class _CharT, class _InputIterator> 1099template <class _Fp> 1100_InputIterator 1101num_get<_CharT, _InputIterator>::__do_get_floating_point(iter_type __b, iter_type __e, 1102 ios_base& __iob, 1103 ios_base::iostate& __err, 1104 _Fp& __v) const 1105{ 1106 // Stage 1, nothing to do 1107 // Stage 2 1108 char_type __atoms[32]; 1109 char_type __decimal_point; 1110 char_type __thousands_sep; 1111 string __grouping = this->__stage2_float_prep(__iob, __atoms, 1112 __decimal_point, 1113 __thousands_sep); 1114 string __buf; 1115 __buf.resize(__buf.capacity()); 1116 char* __a = &__buf[0]; 1117 char* __a_end = __a; 1118 unsigned __g[__num_get_base::__num_get_buf_sz]; 1119 unsigned* __g_end = __g; 1120 unsigned __dc = 0; 1121 bool __in_units = true; 1122 char __exp = 'E'; 1123 for (; __b != __e; ++__b) 1124 { 1125 if (__a_end == __a + __buf.size()) 1126 { 1127 size_t __tmp = __buf.size(); 1128 __buf.resize(2*__buf.size()); 1129 __buf.resize(__buf.capacity()); 1130 __a = &__buf[0]; 1131 __a_end = __a + __tmp; 1132 } 1133 if (this->__stage2_float_loop(*__b, __in_units, __exp, __a, __a_end, 1134 __decimal_point, __thousands_sep, 1135 __grouping, __g, __g_end, 1136 __dc, __atoms)) 1137 break; 1138 } 1139 if (__grouping.size() != 0 && __in_units && __g_end-__g < __num_get_base::__num_get_buf_sz) 1140 *__g_end++ = __dc; 1141 // Stage 3 1142 __v = __num_get_float<_Fp>(__a, __a_end, __err); 1143 // Digit grouping checked 1144 __check_grouping(__grouping, __g, __g_end, __err); 1145 // EOF checked 1146 if (__b == __e) 1147 __err |= ios_base::eofbit; 1148 return __b; 1149} 1150 1151template <class _CharT, class _InputIterator> 1152_InputIterator 1153num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 1154 ios_base& __iob, 1155 ios_base::iostate& __err, 1156 void*& __v) const 1157{ 1158 // Stage 1 1159 int __base = 16; 1160 // Stage 2 1161 char_type __atoms[26]; 1162 char_type __thousands_sep = 0; 1163 string __grouping; 1164 use_facet<ctype<_CharT> >(__iob.getloc()).widen(__num_get_base::__src, 1165 __num_get_base::__src + 26, __atoms); 1166 string __buf; 1167 __buf.resize(__buf.capacity()); 1168 char* __a = &__buf[0]; 1169 char* __a_end = __a; 1170 unsigned __g[__num_get_base::__num_get_buf_sz]; 1171 unsigned* __g_end = __g; 1172 unsigned __dc = 0; 1173 for (; __b != __e; ++__b) 1174 { 1175 if (__a_end == __a + __buf.size()) 1176 { 1177 size_t __tmp = __buf.size(); 1178 __buf.resize(2*__buf.size()); 1179 __buf.resize(__buf.capacity()); 1180 __a = &__buf[0]; 1181 __a_end = __a + __tmp; 1182 } 1183 if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc, 1184 __thousands_sep, __grouping, 1185 __g, __g_end, __atoms)) 1186 break; 1187 } 1188 // Stage 3 1189 __buf.resize(__a_end - __a); 1190#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1191 if (sscanf_l(__buf.c_str(), _LIBCPP_GET_C_LOCALE, "%p", &__v) != 1) 1192#else 1193 if (__sscanf_l(__buf.c_str(), __cloc(), "%p", &__v) != 1) 1194#endif 1195 __err = ios_base::failbit; 1196 // EOF checked 1197 if (__b == __e) 1198 __err |= ios_base::eofbit; 1199 return __b; 1200} 1201 1202_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS num_get<char>) 1203_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS num_get<wchar_t>) 1204 1205struct _LIBCPP_TYPE_VIS __num_put_base 1206{ 1207protected: 1208 static void __format_int(char* __fmt, const char* __len, bool __signd, 1209 ios_base::fmtflags __flags); 1210 static bool __format_float(char* __fmt, const char* __len, 1211 ios_base::fmtflags __flags); 1212 static char* __identify_padding(char* __nb, char* __ne, 1213 const ios_base& __iob); 1214}; 1215 1216template <class _CharT> 1217struct __num_put 1218 : protected __num_put_base 1219{ 1220 static void __widen_and_group_int(char* __nb, char* __np, char* __ne, 1221 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1222 const locale& __loc); 1223 static void __widen_and_group_float(char* __nb, char* __np, char* __ne, 1224 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1225 const locale& __loc); 1226}; 1227 1228template <class _CharT> 1229void 1230__num_put<_CharT>::__widen_and_group_int(char* __nb, char* __np, char* __ne, 1231 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1232 const locale& __loc) 1233{ 1234 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> > (__loc); 1235 const numpunct<_CharT>& __npt = use_facet<numpunct<_CharT> >(__loc); 1236 string __grouping = __npt.grouping(); 1237 if (__grouping.empty()) 1238 { 1239 __ct.widen(__nb, __ne, __ob); 1240 __oe = __ob + (__ne - __nb); 1241 } 1242 else 1243 { 1244 __oe = __ob; 1245 char* __nf = __nb; 1246 if (*__nf == '-' || *__nf == '+') 1247 *__oe++ = __ct.widen(*__nf++); 1248 if (__ne - __nf >= 2 && __nf[0] == '0' && (__nf[1] == 'x' || 1249 __nf[1] == 'X')) 1250 { 1251 *__oe++ = __ct.widen(*__nf++); 1252 *__oe++ = __ct.widen(*__nf++); 1253 } 1254 reverse(__nf, __ne); 1255 _CharT __thousands_sep = __npt.thousands_sep(); 1256 unsigned __dc = 0; 1257 unsigned __dg = 0; 1258 for (char* __p = __nf; __p < __ne; ++__p) 1259 { 1260 if (static_cast<unsigned>(__grouping[__dg]) > 0 && 1261 __dc == static_cast<unsigned>(__grouping[__dg])) 1262 { 1263 *__oe++ = __thousands_sep; 1264 __dc = 0; 1265 if (__dg < __grouping.size()-1) 1266 ++__dg; 1267 } 1268 *__oe++ = __ct.widen(*__p); 1269 ++__dc; 1270 } 1271 reverse(__ob + (__nf - __nb), __oe); 1272 } 1273 if (__np == __ne) 1274 __op = __oe; 1275 else 1276 __op = __ob + (__np - __nb); 1277} 1278 1279template <class _CharT> 1280void 1281__num_put<_CharT>::__widen_and_group_float(char* __nb, char* __np, char* __ne, 1282 _CharT* __ob, _CharT*& __op, _CharT*& __oe, 1283 const locale& __loc) 1284{ 1285 const ctype<_CharT>& __ct = use_facet<ctype<_CharT> > (__loc); 1286 const numpunct<_CharT>& __npt = use_facet<numpunct<_CharT> >(__loc); 1287 string __grouping = __npt.grouping(); 1288 __oe = __ob; 1289 char* __nf = __nb; 1290 if (*__nf == '-' || *__nf == '+') 1291 *__oe++ = __ct.widen(*__nf++); 1292 char* __ns; 1293 if (__ne - __nf >= 2 && __nf[0] == '0' && (__nf[1] == 'x' || 1294 __nf[1] == 'X')) 1295 { 1296 *__oe++ = __ct.widen(*__nf++); 1297 *__oe++ = __ct.widen(*__nf++); 1298 for (__ns = __nf; __ns < __ne; ++__ns) 1299 if (!isxdigit_l(*__ns, _LIBCPP_GET_C_LOCALE)) 1300 break; 1301 } 1302 else 1303 { 1304 for (__ns = __nf; __ns < __ne; ++__ns) 1305 if (!isdigit_l(*__ns, _LIBCPP_GET_C_LOCALE)) 1306 break; 1307 } 1308 if (__grouping.empty()) 1309 { 1310 __ct.widen(__nf, __ns, __oe); 1311 __oe += __ns - __nf; 1312 } 1313 else 1314 { 1315 reverse(__nf, __ns); 1316 _CharT __thousands_sep = __npt.thousands_sep(); 1317 unsigned __dc = 0; 1318 unsigned __dg = 0; 1319 for (char* __p = __nf; __p < __ns; ++__p) 1320 { 1321 if (__grouping[__dg] > 0 && __dc == static_cast<unsigned>(__grouping[__dg])) 1322 { 1323 *__oe++ = __thousands_sep; 1324 __dc = 0; 1325 if (__dg < __grouping.size()-1) 1326 ++__dg; 1327 } 1328 *__oe++ = __ct.widen(*__p); 1329 ++__dc; 1330 } 1331 reverse(__ob + (__nf - __nb), __oe); 1332 } 1333 for (__nf = __ns; __nf < __ne; ++__nf) 1334 { 1335 if (*__nf == '.') 1336 { 1337 *__oe++ = __npt.decimal_point(); 1338 ++__nf; 1339 break; 1340 } 1341 else 1342 *__oe++ = __ct.widen(*__nf); 1343 } 1344 __ct.widen(__nf, __ne, __oe); 1345 __oe += __ne - __nf; 1346 if (__np == __ne) 1347 __op = __oe; 1348 else 1349 __op = __ob + (__np - __nb); 1350} 1351 1352_LIBCPP_EXTERN_TEMPLATE2(struct _LIBCPP_TYPE_VIS __num_put<char>) 1353_LIBCPP_EXTERN_TEMPLATE2(struct _LIBCPP_TYPE_VIS __num_put<wchar_t>) 1354 1355template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 1356class _LIBCPP_TYPE_VIS_ONLY num_put 1357 : public locale::facet, 1358 private __num_put<_CharT> 1359{ 1360public: 1361 typedef _CharT char_type; 1362 typedef _OutputIterator iter_type; 1363 1364 _LIBCPP_ALWAYS_INLINE 1365 explicit num_put(size_t __refs = 0) 1366 : locale::facet(__refs) {} 1367 1368 _LIBCPP_ALWAYS_INLINE 1369 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1370 bool __v) const 1371 { 1372 return do_put(__s, __iob, __fl, __v); 1373 } 1374 1375 _LIBCPP_ALWAYS_INLINE 1376 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1377 long __v) const 1378 { 1379 return do_put(__s, __iob, __fl, __v); 1380 } 1381 1382 _LIBCPP_ALWAYS_INLINE 1383 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1384 long long __v) const 1385 { 1386 return do_put(__s, __iob, __fl, __v); 1387 } 1388 1389 _LIBCPP_ALWAYS_INLINE 1390 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1391 unsigned long __v) const 1392 { 1393 return do_put(__s, __iob, __fl, __v); 1394 } 1395 1396 _LIBCPP_ALWAYS_INLINE 1397 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1398 unsigned long long __v) const 1399 { 1400 return do_put(__s, __iob, __fl, __v); 1401 } 1402 1403 _LIBCPP_ALWAYS_INLINE 1404 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1405 double __v) const 1406 { 1407 return do_put(__s, __iob, __fl, __v); 1408 } 1409 1410 _LIBCPP_ALWAYS_INLINE 1411 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1412 long double __v) const 1413 { 1414 return do_put(__s, __iob, __fl, __v); 1415 } 1416 1417 _LIBCPP_ALWAYS_INLINE 1418 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 1419 const void* __v) const 1420 { 1421 return do_put(__s, __iob, __fl, __v); 1422 } 1423 1424 static locale::id id; 1425 1426protected: 1427 _LIBCPP_ALWAYS_INLINE 1428 ~num_put() {} 1429 1430 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1431 bool __v) const; 1432 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1433 long __v) const; 1434 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1435 long long __v) const; 1436 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1437 unsigned long) const; 1438 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1439 unsigned long long) const; 1440 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1441 double __v) const; 1442 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1443 long double __v) const; 1444 virtual iter_type do_put(iter_type __s, ios_base& __iob, char_type __fl, 1445 const void* __v) const; 1446}; 1447 1448template <class _CharT, class _OutputIterator> 1449locale::id 1450num_put<_CharT, _OutputIterator>::id; 1451 1452template <class _CharT, class _OutputIterator> 1453_LIBCPP_HIDDEN 1454_OutputIterator 1455__pad_and_output(_OutputIterator __s, 1456 const _CharT* __ob, const _CharT* __op, const _CharT* __oe, 1457 ios_base& __iob, _CharT __fl) 1458{ 1459 streamsize __sz = __oe - __ob; 1460 streamsize __ns = __iob.width(); 1461 if (__ns > __sz) 1462 __ns -= __sz; 1463 else 1464 __ns = 0; 1465 for (;__ob < __op; ++__ob, ++__s) 1466 *__s = *__ob; 1467 for (; __ns; --__ns, ++__s) 1468 *__s = __fl; 1469 for (; __ob < __oe; ++__ob, ++__s) 1470 *__s = *__ob; 1471 __iob.width(0); 1472 return __s; 1473} 1474 1475#if !defined(__APPLE__) || \ 1476 (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED > __MAC_10_8) || \ 1477 (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_6_0) 1478 1479template <class _CharT, class _Traits> 1480_LIBCPP_HIDDEN 1481ostreambuf_iterator<_CharT, _Traits> 1482__pad_and_output(ostreambuf_iterator<_CharT, _Traits> __s, 1483 const _CharT* __ob, const _CharT* __op, const _CharT* __oe, 1484 ios_base& __iob, _CharT __fl) 1485{ 1486 if (__s.__sbuf_ == nullptr) 1487 return __s; 1488 streamsize __sz = __oe - __ob; 1489 streamsize __ns = __iob.width(); 1490 if (__ns > __sz) 1491 __ns -= __sz; 1492 else 1493 __ns = 0; 1494 streamsize __np = __op - __ob; 1495 if (__np > 0) 1496 { 1497 if (__s.__sbuf_->sputn(__ob, __np) != __np) 1498 { 1499 __s.__sbuf_ = nullptr; 1500 return __s; 1501 } 1502 } 1503 if (__ns > 0) 1504 { 1505 basic_string<_CharT, _Traits> __sp(__ns, __fl); 1506 if (__s.__sbuf_->sputn(__sp.data(), __ns) != __ns) 1507 { 1508 __s.__sbuf_ = nullptr; 1509 return __s; 1510 } 1511 } 1512 __np = __oe - __op; 1513 if (__np > 0) 1514 { 1515 if (__s.__sbuf_->sputn(__op, __np) != __np) 1516 { 1517 __s.__sbuf_ = nullptr; 1518 return __s; 1519 } 1520 } 1521 __iob.width(0); 1522 return __s; 1523} 1524 1525#endif 1526 1527template <class _CharT, class _OutputIterator> 1528_OutputIterator 1529num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1530 char_type __fl, bool __v) const 1531{ 1532 if ((__iob.flags() & ios_base::boolalpha) == 0) 1533 return do_put(__s, __iob, __fl, (unsigned long)__v); 1534 const numpunct<char_type>& __np = use_facet<numpunct<char_type> >(__iob.getloc()); 1535 typedef typename numpunct<char_type>::string_type string_type; 1536#if _LIBCPP_DEBUG_LEVEL >= 2 1537 string_type __tmp(__v ? __np.truename() : __np.falsename()); 1538 string_type __nm = _VSTD::move(__tmp); 1539#else 1540 string_type __nm = __v ? __np.truename() : __np.falsename(); 1541#endif 1542 for (typename string_type::iterator __i = __nm.begin(); __i != __nm.end(); ++__i, ++__s) 1543 *__s = *__i; 1544 return __s; 1545} 1546 1547template <class _CharT, class _OutputIterator> 1548_OutputIterator 1549num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1550 char_type __fl, long __v) const 1551{ 1552 // Stage 1 - Get number in narrow char 1553 char __fmt[6] = {'%', 0}; 1554 const char* __len = "l"; 1555 this->__format_int(__fmt+1, __len, true, __iob.flags()); 1556 const unsigned __nbuf = (numeric_limits<long>::digits / 3) 1557 + ((numeric_limits<long>::digits % 3) != 0) 1558 + 1; 1559 char __nar[__nbuf]; 1560#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1561 int __nc = snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1562#else 1563 int __nc = __snprintf_l(__nar, sizeof(__nar), __cloc(), __fmt, __v); 1564#endif 1565 char* __ne = __nar + __nc; 1566 char* __np = this->__identify_padding(__nar, __ne, __iob); 1567 // Stage 2 - Widen __nar while adding thousands separators 1568 char_type __o[2*(__nbuf-1) - 1]; 1569 char_type* __op; // pad here 1570 char_type* __oe; // end of output 1571 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1572 // [__o, __oe) contains thousands_sep'd wide number 1573 // Stage 3 & 4 1574 return __pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1575} 1576 1577template <class _CharT, class _OutputIterator> 1578_OutputIterator 1579num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1580 char_type __fl, long long __v) const 1581{ 1582 // Stage 1 - Get number in narrow char 1583 char __fmt[8] = {'%', 0}; 1584 const char* __len = "ll"; 1585 this->__format_int(__fmt+1, __len, true, __iob.flags()); 1586 const unsigned __nbuf = (numeric_limits<long long>::digits / 3) 1587 + ((numeric_limits<long long>::digits % 3) != 0) 1588 + 2; 1589 char __nar[__nbuf]; 1590#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1591 int __nc = snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1592#else 1593 int __nc = __snprintf_l(__nar, sizeof(__nar), __cloc(), __fmt, __v); 1594#endif 1595 char* __ne = __nar + __nc; 1596 char* __np = this->__identify_padding(__nar, __ne, __iob); 1597 // Stage 2 - Widen __nar while adding thousands separators 1598 char_type __o[2*(__nbuf-1) - 1]; 1599 char_type* __op; // pad here 1600 char_type* __oe; // end of output 1601 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1602 // [__o, __oe) contains thousands_sep'd wide number 1603 // Stage 3 & 4 1604 return __pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1605} 1606 1607template <class _CharT, class _OutputIterator> 1608_OutputIterator 1609num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1610 char_type __fl, unsigned long __v) const 1611{ 1612 // Stage 1 - Get number in narrow char 1613 char __fmt[6] = {'%', 0}; 1614 const char* __len = "l"; 1615 this->__format_int(__fmt+1, __len, false, __iob.flags()); 1616 const unsigned __nbuf = (numeric_limits<unsigned long>::digits / 3) 1617 + ((numeric_limits<unsigned long>::digits % 3) != 0) 1618 + 1; 1619 char __nar[__nbuf]; 1620#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1621 int __nc = snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1622#else 1623 int __nc = __snprintf_l(__nar, sizeof(__nar), __cloc(), __fmt, __v); 1624#endif 1625 char* __ne = __nar + __nc; 1626 char* __np = this->__identify_padding(__nar, __ne, __iob); 1627 // Stage 2 - Widen __nar while adding thousands separators 1628 char_type __o[2*(__nbuf-1) - 1]; 1629 char_type* __op; // pad here 1630 char_type* __oe; // end of output 1631 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1632 // [__o, __oe) contains thousands_sep'd wide number 1633 // Stage 3 & 4 1634 return __pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1635} 1636 1637template <class _CharT, class _OutputIterator> 1638_OutputIterator 1639num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1640 char_type __fl, unsigned long long __v) const 1641{ 1642 // Stage 1 - Get number in narrow char 1643 char __fmt[8] = {'%', 0}; 1644 const char* __len = "ll"; 1645 this->__format_int(__fmt+1, __len, false, __iob.flags()); 1646 const unsigned __nbuf = (numeric_limits<unsigned long long>::digits / 3) 1647 + ((numeric_limits<unsigned long long>::digits % 3) != 0) 1648 + 1; 1649 char __nar[__nbuf]; 1650#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1651 int __nc = snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1652#else 1653 int __nc = __snprintf_l(__nar, sizeof(__nar), __cloc(), __fmt, __v); 1654#endif 1655 char* __ne = __nar + __nc; 1656 char* __np = this->__identify_padding(__nar, __ne, __iob); 1657 // Stage 2 - Widen __nar while adding thousands separators 1658 char_type __o[2*(__nbuf-1) - 1]; 1659 char_type* __op; // pad here 1660 char_type* __oe; // end of output 1661 this->__widen_and_group_int(__nar, __np, __ne, __o, __op, __oe, __iob.getloc()); 1662 // [__o, __oe) contains thousands_sep'd wide number 1663 // Stage 3 & 4 1664 return __pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1665} 1666 1667template <class _CharT, class _OutputIterator> 1668_OutputIterator 1669num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1670 char_type __fl, double __v) const 1671{ 1672 // Stage 1 - Get number in narrow char 1673 char __fmt[8] = {'%', 0}; 1674 const char* __len = ""; 1675 bool __specify_precision = this->__format_float(__fmt+1, __len, __iob.flags()); 1676 const unsigned __nbuf = 30; 1677 char __nar[__nbuf]; 1678 char* __nb = __nar; 1679 int __nc; 1680 if (__specify_precision) 1681#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1682 __nc = snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, 1683 (int)__iob.precision(), __v); 1684#else 1685 __nc = __snprintf_l(__nb, __nbuf, __cloc(), __fmt, 1686 (int)__iob.precision(), __v); 1687#endif 1688 else 1689#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1690 __nc = snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1691#else 1692 __nc = __snprintf_l(__nb, __nbuf, __cloc(), __fmt, __v); 1693#endif 1694 unique_ptr<char, void(*)(void*)> __nbh(0, free); 1695 if (__nc > static_cast<int>(__nbuf-1)) 1696 { 1697 if (__specify_precision) 1698#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1699 __nc = asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, (int)__iob.precision(), __v); 1700#else 1701 __nc = __asprintf_l(&__nb, __cloc(), __fmt, 1702 (int)__iob.precision(), __v); 1703#endif 1704 else 1705#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1706 __nc = asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1707#else 1708 __nc = __asprintf_l(&__nb, __cloc(), __fmt, (int)__iob.precision(), __v); 1709#endif 1710 if (__nb == 0) 1711 __throw_bad_alloc(); 1712 __nbh.reset(__nb); 1713 } 1714 char* __ne = __nb + __nc; 1715 char* __np = this->__identify_padding(__nb, __ne, __iob); 1716 // Stage 2 - Widen __nar while adding thousands separators 1717 char_type __o[2*(__nbuf-1) - 1]; 1718 char_type* __ob = __o; 1719 unique_ptr<char_type, void(*)(void*)> __obh(0, free); 1720 if (__nb != __nar) 1721 { 1722 __ob = (char_type*)malloc(2*static_cast<size_t>(__nc)*sizeof(char_type)); 1723 if (__ob == 0) 1724 __throw_bad_alloc(); 1725 __obh.reset(__ob); 1726 } 1727 char_type* __op; // pad here 1728 char_type* __oe; // end of output 1729 this->__widen_and_group_float(__nb, __np, __ne, __ob, __op, __oe, __iob.getloc()); 1730 // [__o, __oe) contains thousands_sep'd wide number 1731 // Stage 3 & 4 1732 __s = __pad_and_output(__s, __ob, __op, __oe, __iob, __fl); 1733 return __s; 1734} 1735 1736template <class _CharT, class _OutputIterator> 1737_OutputIterator 1738num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1739 char_type __fl, long double __v) const 1740{ 1741 // Stage 1 - Get number in narrow char 1742 char __fmt[8] = {'%', 0}; 1743 const char* __len = "L"; 1744 bool __specify_precision = this->__format_float(__fmt+1, __len, __iob.flags()); 1745 const unsigned __nbuf = 30; 1746 char __nar[__nbuf]; 1747 char* __nb = __nar; 1748 int __nc; 1749 if (__specify_precision) 1750#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1751 __nc = snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, 1752 (int)__iob.precision(), __v); 1753#else 1754 __nc = __snprintf_l(__nb, __nbuf, __cloc(), __fmt, 1755 (int)__iob.precision(), __v); 1756#endif 1757 else 1758#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1759 __nc = snprintf_l(__nb, __nbuf, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1760#else 1761 __nc = __snprintf_l(__nb, __nbuf, __cloc(), __fmt, __v); 1762#endif 1763 unique_ptr<char, void(*)(void*)> __nbh(0, free); 1764 if (__nc > static_cast<int>(__nbuf-1)) 1765 { 1766 if (__specify_precision) 1767#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1768 __nc = asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, (int)__iob.precision(), __v); 1769#else 1770 __nc = __asprintf_l(&__nb, __cloc(), __fmt, 1771 (int)__iob.precision(), __v); 1772#endif 1773 else 1774#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1775 __nc = asprintf_l(&__nb, _LIBCPP_GET_C_LOCALE, __fmt, __v); 1776#else 1777 __nc = __asprintf_l(&__nb, __cloc(), __fmt, __v); 1778#endif 1779 if (__nb == 0) 1780 __throw_bad_alloc(); 1781 __nbh.reset(__nb); 1782 } 1783 char* __ne = __nb + __nc; 1784 char* __np = this->__identify_padding(__nb, __ne, __iob); 1785 // Stage 2 - Widen __nar while adding thousands separators 1786 char_type __o[2*(__nbuf-1) - 1]; 1787 char_type* __ob = __o; 1788 unique_ptr<char_type, void(*)(void*)> __obh(0, free); 1789 if (__nb != __nar) 1790 { 1791 __ob = (char_type*)malloc(2*static_cast<size_t>(__nc)*sizeof(char_type)); 1792 if (__ob == 0) 1793 __throw_bad_alloc(); 1794 __obh.reset(__ob); 1795 } 1796 char_type* __op; // pad here 1797 char_type* __oe; // end of output 1798 this->__widen_and_group_float(__nb, __np, __ne, __ob, __op, __oe, __iob.getloc()); 1799 // [__o, __oe) contains thousands_sep'd wide number 1800 // Stage 3 & 4 1801 __s = __pad_and_output(__s, __ob, __op, __oe, __iob, __fl); 1802 return __s; 1803} 1804 1805template <class _CharT, class _OutputIterator> 1806_OutputIterator 1807num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob, 1808 char_type __fl, const void* __v) const 1809{ 1810 // Stage 1 - Get pointer in narrow char 1811 char __fmt[6] = "%p"; 1812 const unsigned __nbuf = 20; 1813 char __nar[__nbuf]; 1814#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 1815 int __nc = snprintf_l(__nar, sizeof(__nar), _LIBCPP_GET_C_LOCALE, __fmt, __v); 1816#else 1817 int __nc = __snprintf_l(__nar, sizeof(__nar), __cloc(), __fmt, __v); 1818#endif 1819 char* __ne = __nar + __nc; 1820 char* __np = this->__identify_padding(__nar, __ne, __iob); 1821 // Stage 2 - Widen __nar 1822 char_type __o[2*(__nbuf-1) - 1]; 1823 char_type* __op; // pad here 1824 char_type* __oe; // end of output 1825 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 1826 __ct.widen(__nar, __ne, __o); 1827 __oe = __o + (__ne - __nar); 1828 if (__np == __ne) 1829 __op = __oe; 1830 else 1831 __op = __o + (__np - __nar); 1832 // [__o, __oe) contains wide number 1833 // Stage 3 & 4 1834 return __pad_and_output(__s, __o, __op, __oe, __iob, __fl); 1835} 1836 1837_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS num_put<char>) 1838_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS num_put<wchar_t>) 1839 1840template <class _CharT, class _InputIterator> 1841_LIBCPP_HIDDEN 1842int 1843__get_up_to_n_digits(_InputIterator& __b, _InputIterator __e, 1844 ios_base::iostate& __err, const ctype<_CharT>& __ct, int __n) 1845{ 1846 // Precondition: __n >= 1 1847 if (__b == __e) 1848 { 1849 __err |= ios_base::eofbit | ios_base::failbit; 1850 return 0; 1851 } 1852 // get first digit 1853 _CharT __c = *__b; 1854 if (!__ct.is(ctype_base::digit, __c)) 1855 { 1856 __err |= ios_base::failbit; 1857 return 0; 1858 } 1859 int __r = __ct.narrow(__c, 0) - '0'; 1860 for (++__b, (void) --__n; __b != __e && __n > 0; ++__b, (void) --__n) 1861 { 1862 // get next digit 1863 __c = *__b; 1864 if (!__ct.is(ctype_base::digit, __c)) 1865 return __r; 1866 __r = __r * 10 + __ct.narrow(__c, 0) - '0'; 1867 } 1868 if (__b == __e) 1869 __err |= ios_base::eofbit; 1870 return __r; 1871} 1872 1873class _LIBCPP_TYPE_VIS time_base 1874{ 1875public: 1876 enum dateorder {no_order, dmy, mdy, ymd, ydm}; 1877}; 1878 1879template <class _CharT> 1880class _LIBCPP_TYPE_VIS_ONLY __time_get_c_storage 1881{ 1882protected: 1883 typedef basic_string<_CharT> string_type; 1884 1885 virtual const string_type* __weeks() const; 1886 virtual const string_type* __months() const; 1887 virtual const string_type* __am_pm() const; 1888 virtual const string_type& __c() const; 1889 virtual const string_type& __r() const; 1890 virtual const string_type& __x() const; 1891 virtual const string_type& __X() const; 1892}; 1893 1894template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 1895class _LIBCPP_TYPE_VIS_ONLY time_get 1896 : public locale::facet, 1897 public time_base, 1898 private __time_get_c_storage<_CharT> 1899{ 1900public: 1901 typedef _CharT char_type; 1902 typedef _InputIterator iter_type; 1903 typedef time_base::dateorder dateorder; 1904 typedef basic_string<char_type> string_type; 1905 1906 _LIBCPP_ALWAYS_INLINE 1907 explicit time_get(size_t __refs = 0) 1908 : locale::facet(__refs) {} 1909 1910 _LIBCPP_ALWAYS_INLINE 1911 dateorder date_order() const 1912 { 1913 return this->do_date_order(); 1914 } 1915 1916 _LIBCPP_ALWAYS_INLINE 1917 iter_type get_time(iter_type __b, iter_type __e, ios_base& __iob, 1918 ios_base::iostate& __err, tm* __tm) const 1919 { 1920 return do_get_time(__b, __e, __iob, __err, __tm); 1921 } 1922 1923 _LIBCPP_ALWAYS_INLINE 1924 iter_type get_date(iter_type __b, iter_type __e, ios_base& __iob, 1925 ios_base::iostate& __err, tm* __tm) const 1926 { 1927 return do_get_date(__b, __e, __iob, __err, __tm); 1928 } 1929 1930 _LIBCPP_ALWAYS_INLINE 1931 iter_type get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1932 ios_base::iostate& __err, tm* __tm) const 1933 { 1934 return do_get_weekday(__b, __e, __iob, __err, __tm); 1935 } 1936 1937 _LIBCPP_ALWAYS_INLINE 1938 iter_type get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1939 ios_base::iostate& __err, tm* __tm) const 1940 { 1941 return do_get_monthname(__b, __e, __iob, __err, __tm); 1942 } 1943 1944 _LIBCPP_ALWAYS_INLINE 1945 iter_type get_year(iter_type __b, iter_type __e, ios_base& __iob, 1946 ios_base::iostate& __err, tm* __tm) const 1947 { 1948 return do_get_year(__b, __e, __iob, __err, __tm); 1949 } 1950 1951 _LIBCPP_ALWAYS_INLINE 1952 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1953 ios_base::iostate& __err, tm *__tm, 1954 char __fmt, char __mod = 0) const 1955 { 1956 return do_get(__b, __e, __iob, __err, __tm, __fmt, __mod); 1957 } 1958 1959 iter_type get(iter_type __b, iter_type __e, ios_base& __iob, 1960 ios_base::iostate& __err, tm* __tm, 1961 const char_type* __fmtb, const char_type* __fmte) const; 1962 1963 static locale::id id; 1964 1965protected: 1966 _LIBCPP_ALWAYS_INLINE 1967 ~time_get() {} 1968 1969 virtual dateorder do_date_order() const; 1970 virtual iter_type do_get_time(iter_type __b, iter_type __e, ios_base& __iob, 1971 ios_base::iostate& __err, tm* __tm) const; 1972 virtual iter_type do_get_date(iter_type __b, iter_type __e, ios_base& __iob, 1973 ios_base::iostate& __err, tm* __tm) const; 1974 virtual iter_type do_get_weekday(iter_type __b, iter_type __e, ios_base& __iob, 1975 ios_base::iostate& __err, tm* __tm) const; 1976 virtual iter_type do_get_monthname(iter_type __b, iter_type __e, ios_base& __iob, 1977 ios_base::iostate& __err, tm* __tm) const; 1978 virtual iter_type do_get_year(iter_type __b, iter_type __e, ios_base& __iob, 1979 ios_base::iostate& __err, tm* __tm) const; 1980 virtual iter_type do_get(iter_type __b, iter_type __e, ios_base& __iob, 1981 ios_base::iostate& __err, tm* __tm, 1982 char __fmt, char __mod) const; 1983private: 1984 void __get_white_space(iter_type& __b, iter_type __e, 1985 ios_base::iostate& __err, const ctype<char_type>& __ct) const; 1986 void __get_percent(iter_type& __b, iter_type __e, ios_base::iostate& __err, 1987 const ctype<char_type>& __ct) const; 1988 1989 void __get_weekdayname(int& __m, 1990 iter_type& __b, iter_type __e, 1991 ios_base::iostate& __err, 1992 const ctype<char_type>& __ct) const; 1993 void __get_monthname(int& __m, 1994 iter_type& __b, iter_type __e, 1995 ios_base::iostate& __err, 1996 const ctype<char_type>& __ct) const; 1997 void __get_day(int& __d, 1998 iter_type& __b, iter_type __e, 1999 ios_base::iostate& __err, 2000 const ctype<char_type>& __ct) const; 2001 void __get_month(int& __m, 2002 iter_type& __b, iter_type __e, 2003 ios_base::iostate& __err, 2004 const ctype<char_type>& __ct) const; 2005 void __get_year(int& __y, 2006 iter_type& __b, iter_type __e, 2007 ios_base::iostate& __err, 2008 const ctype<char_type>& __ct) const; 2009 void __get_year4(int& __y, 2010 iter_type& __b, iter_type __e, 2011 ios_base::iostate& __err, 2012 const ctype<char_type>& __ct) const; 2013 void __get_hour(int& __d, 2014 iter_type& __b, iter_type __e, 2015 ios_base::iostate& __err, 2016 const ctype<char_type>& __ct) const; 2017 void __get_12_hour(int& __h, 2018 iter_type& __b, iter_type __e, 2019 ios_base::iostate& __err, 2020 const ctype<char_type>& __ct) const; 2021 void __get_am_pm(int& __h, 2022 iter_type& __b, iter_type __e, 2023 ios_base::iostate& __err, 2024 const ctype<char_type>& __ct) const; 2025 void __get_minute(int& __m, 2026 iter_type& __b, iter_type __e, 2027 ios_base::iostate& __err, 2028 const ctype<char_type>& __ct) const; 2029 void __get_second(int& __s, 2030 iter_type& __b, iter_type __e, 2031 ios_base::iostate& __err, 2032 const ctype<char_type>& __ct) const; 2033 void __get_weekday(int& __w, 2034 iter_type& __b, iter_type __e, 2035 ios_base::iostate& __err, 2036 const ctype<char_type>& __ct) const; 2037 void __get_day_year_num(int& __w, 2038 iter_type& __b, iter_type __e, 2039 ios_base::iostate& __err, 2040 const ctype<char_type>& __ct) const; 2041}; 2042 2043template <class _CharT, class _InputIterator> 2044locale::id 2045time_get<_CharT, _InputIterator>::id; 2046 2047// time_get primitives 2048 2049template <class _CharT, class _InputIterator> 2050void 2051time_get<_CharT, _InputIterator>::__get_weekdayname(int& __w, 2052 iter_type& __b, iter_type __e, 2053 ios_base::iostate& __err, 2054 const ctype<char_type>& __ct) const 2055{ 2056 // Note: ignoring case comes from the POSIX strptime spec 2057 const string_type* __wk = this->__weeks(); 2058 ptrdiff_t __i = __scan_keyword(__b, __e, __wk, __wk+14, __ct, __err, false) - __wk; 2059 if (__i < 14) 2060 __w = __i % 7; 2061} 2062 2063template <class _CharT, class _InputIterator> 2064void 2065time_get<_CharT, _InputIterator>::__get_monthname(int& __m, 2066 iter_type& __b, iter_type __e, 2067 ios_base::iostate& __err, 2068 const ctype<char_type>& __ct) const 2069{ 2070 // Note: ignoring case comes from the POSIX strptime spec 2071 const string_type* __month = this->__months(); 2072 ptrdiff_t __i = __scan_keyword(__b, __e, __month, __month+24, __ct, __err, false) - __month; 2073 if (__i < 24) 2074 __m = __i % 12; 2075} 2076 2077template <class _CharT, class _InputIterator> 2078void 2079time_get<_CharT, _InputIterator>::__get_day(int& __d, 2080 iter_type& __b, iter_type __e, 2081 ios_base::iostate& __err, 2082 const ctype<char_type>& __ct) const 2083{ 2084 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2); 2085 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 31) 2086 __d = __t; 2087 else 2088 __err |= ios_base::failbit; 2089} 2090 2091template <class _CharT, class _InputIterator> 2092void 2093time_get<_CharT, _InputIterator>::__get_month(int& __m, 2094 iter_type& __b, iter_type __e, 2095 ios_base::iostate& __err, 2096 const ctype<char_type>& __ct) const 2097{ 2098 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2) - 1; 2099 if (!(__err & ios_base::failbit) && __t <= 11) 2100 __m = __t; 2101 else 2102 __err |= ios_base::failbit; 2103} 2104 2105template <class _CharT, class _InputIterator> 2106void 2107time_get<_CharT, _InputIterator>::__get_year(int& __y, 2108 iter_type& __b, iter_type __e, 2109 ios_base::iostate& __err, 2110 const ctype<char_type>& __ct) const 2111{ 2112 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 4); 2113 if (!(__err & ios_base::failbit)) 2114 { 2115 if (__t < 69) 2116 __t += 2000; 2117 else if (69 <= __t && __t <= 99) 2118 __t += 1900; 2119 __y = __t - 1900; 2120 } 2121} 2122 2123template <class _CharT, class _InputIterator> 2124void 2125time_get<_CharT, _InputIterator>::__get_year4(int& __y, 2126 iter_type& __b, iter_type __e, 2127 ios_base::iostate& __err, 2128 const ctype<char_type>& __ct) const 2129{ 2130 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 4); 2131 if (!(__err & ios_base::failbit)) 2132 __y = __t - 1900; 2133} 2134 2135template <class _CharT, class _InputIterator> 2136void 2137time_get<_CharT, _InputIterator>::__get_hour(int& __h, 2138 iter_type& __b, iter_type __e, 2139 ios_base::iostate& __err, 2140 const ctype<char_type>& __ct) const 2141{ 2142 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2); 2143 if (!(__err & ios_base::failbit) && __t <= 23) 2144 __h = __t; 2145 else 2146 __err |= ios_base::failbit; 2147} 2148 2149template <class _CharT, class _InputIterator> 2150void 2151time_get<_CharT, _InputIterator>::__get_12_hour(int& __h, 2152 iter_type& __b, iter_type __e, 2153 ios_base::iostate& __err, 2154 const ctype<char_type>& __ct) const 2155{ 2156 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2); 2157 if (!(__err & ios_base::failbit) && 1 <= __t && __t <= 12) 2158 __h = __t; 2159 else 2160 __err |= ios_base::failbit; 2161} 2162 2163template <class _CharT, class _InputIterator> 2164void 2165time_get<_CharT, _InputIterator>::__get_minute(int& __m, 2166 iter_type& __b, iter_type __e, 2167 ios_base::iostate& __err, 2168 const ctype<char_type>& __ct) const 2169{ 2170 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2); 2171 if (!(__err & ios_base::failbit) && __t <= 59) 2172 __m = __t; 2173 else 2174 __err |= ios_base::failbit; 2175} 2176 2177template <class _CharT, class _InputIterator> 2178void 2179time_get<_CharT, _InputIterator>::__get_second(int& __s, 2180 iter_type& __b, iter_type __e, 2181 ios_base::iostate& __err, 2182 const ctype<char_type>& __ct) const 2183{ 2184 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 2); 2185 if (!(__err & ios_base::failbit) && __t <= 60) 2186 __s = __t; 2187 else 2188 __err |= ios_base::failbit; 2189} 2190 2191template <class _CharT, class _InputIterator> 2192void 2193time_get<_CharT, _InputIterator>::__get_weekday(int& __w, 2194 iter_type& __b, iter_type __e, 2195 ios_base::iostate& __err, 2196 const ctype<char_type>& __ct) const 2197{ 2198 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 1); 2199 if (!(__err & ios_base::failbit) && __t <= 6) 2200 __w = __t; 2201 else 2202 __err |= ios_base::failbit; 2203} 2204 2205template <class _CharT, class _InputIterator> 2206void 2207time_get<_CharT, _InputIterator>::__get_day_year_num(int& __d, 2208 iter_type& __b, iter_type __e, 2209 ios_base::iostate& __err, 2210 const ctype<char_type>& __ct) const 2211{ 2212 int __t = __get_up_to_n_digits(__b, __e, __err, __ct, 3); 2213 if (!(__err & ios_base::failbit) && __t <= 365) 2214 __d = __t; 2215 else 2216 __err |= ios_base::failbit; 2217} 2218 2219template <class _CharT, class _InputIterator> 2220void 2221time_get<_CharT, _InputIterator>::__get_white_space(iter_type& __b, iter_type __e, 2222 ios_base::iostate& __err, 2223 const ctype<char_type>& __ct) const 2224{ 2225 for (; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2226 ; 2227 if (__b == __e) 2228 __err |= ios_base::eofbit; 2229} 2230 2231template <class _CharT, class _InputIterator> 2232void 2233time_get<_CharT, _InputIterator>::__get_am_pm(int& __h, 2234 iter_type& __b, iter_type __e, 2235 ios_base::iostate& __err, 2236 const ctype<char_type>& __ct) const 2237{ 2238 const string_type* __ap = this->__am_pm(); 2239 if (__ap[0].size() + __ap[1].size() == 0) 2240 { 2241 __err |= ios_base::failbit; 2242 return; 2243 } 2244 ptrdiff_t __i = __scan_keyword(__b, __e, __ap, __ap+2, __ct, __err, false) - __ap; 2245 if (__i == 0 && __h == 12) 2246 __h = 0; 2247 else if (__i == 1 && __h < 12) 2248 __h += 12; 2249} 2250 2251template <class _CharT, class _InputIterator> 2252void 2253time_get<_CharT, _InputIterator>::__get_percent(iter_type& __b, iter_type __e, 2254 ios_base::iostate& __err, 2255 const ctype<char_type>& __ct) const 2256{ 2257 if (__b == __e) 2258 { 2259 __err |= ios_base::eofbit | ios_base::failbit; 2260 return; 2261 } 2262 if (__ct.narrow(*__b, 0) != '%') 2263 __err |= ios_base::failbit; 2264 else if(++__b == __e) 2265 __err |= ios_base::eofbit; 2266} 2267 2268// time_get end primitives 2269 2270template <class _CharT, class _InputIterator> 2271_InputIterator 2272time_get<_CharT, _InputIterator>::get(iter_type __b, iter_type __e, 2273 ios_base& __iob, 2274 ios_base::iostate& __err, tm* __tm, 2275 const char_type* __fmtb, const char_type* __fmte) const 2276{ 2277 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2278 __err = ios_base::goodbit; 2279 while (__fmtb != __fmte && __err == ios_base::goodbit) 2280 { 2281 if (__b == __e) 2282 { 2283 __err = ios_base::failbit; 2284 break; 2285 } 2286 if (__ct.narrow(*__fmtb, 0) == '%') 2287 { 2288 if (++__fmtb == __fmte) 2289 { 2290 __err = ios_base::failbit; 2291 break; 2292 } 2293 char __cmd = __ct.narrow(*__fmtb, 0); 2294 char __opt = '\0'; 2295 if (__cmd == 'E' || __cmd == '0') 2296 { 2297 if (++__fmtb == __fmte) 2298 { 2299 __err = ios_base::failbit; 2300 break; 2301 } 2302 __opt = __cmd; 2303 __cmd = __ct.narrow(*__fmtb, 0); 2304 } 2305 __b = do_get(__b, __e, __iob, __err, __tm, __cmd, __opt); 2306 ++__fmtb; 2307 } 2308 else if (__ct.is(ctype_base::space, *__fmtb)) 2309 { 2310 for (++__fmtb; __fmtb != __fmte && __ct.is(ctype_base::space, *__fmtb); ++__fmtb) 2311 ; 2312 for ( ; __b != __e && __ct.is(ctype_base::space, *__b); ++__b) 2313 ; 2314 } 2315 else if (__ct.toupper(*__b) == __ct.toupper(*__fmtb)) 2316 { 2317 ++__b; 2318 ++__fmtb; 2319 } 2320 else 2321 __err = ios_base::failbit; 2322 } 2323 if (__b == __e) 2324 __err |= ios_base::eofbit; 2325 return __b; 2326} 2327 2328template <class _CharT, class _InputIterator> 2329typename time_get<_CharT, _InputIterator>::dateorder 2330time_get<_CharT, _InputIterator>::do_date_order() const 2331{ 2332 return mdy; 2333} 2334 2335template <class _CharT, class _InputIterator> 2336_InputIterator 2337time_get<_CharT, _InputIterator>::do_get_time(iter_type __b, iter_type __e, 2338 ios_base& __iob, 2339 ios_base::iostate& __err, 2340 tm* __tm) const 2341{ 2342 const char_type __fmt[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2343 return get(__b, __e, __iob, __err, __tm, __fmt, __fmt + sizeof(__fmt)/sizeof(__fmt[0])); 2344} 2345 2346template <class _CharT, class _InputIterator> 2347_InputIterator 2348time_get<_CharT, _InputIterator>::do_get_date(iter_type __b, iter_type __e, 2349 ios_base& __iob, 2350 ios_base::iostate& __err, 2351 tm* __tm) const 2352{ 2353 const string_type& __fmt = this->__x(); 2354 return get(__b, __e, __iob, __err, __tm, __fmt.data(), __fmt.data() + __fmt.size()); 2355} 2356 2357template <class _CharT, class _InputIterator> 2358_InputIterator 2359time_get<_CharT, _InputIterator>::do_get_weekday(iter_type __b, iter_type __e, 2360 ios_base& __iob, 2361 ios_base::iostate& __err, 2362 tm* __tm) const 2363{ 2364 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2365 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2366 return __b; 2367} 2368 2369template <class _CharT, class _InputIterator> 2370_InputIterator 2371time_get<_CharT, _InputIterator>::do_get_monthname(iter_type __b, iter_type __e, 2372 ios_base& __iob, 2373 ios_base::iostate& __err, 2374 tm* __tm) const 2375{ 2376 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2377 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2378 return __b; 2379} 2380 2381template <class _CharT, class _InputIterator> 2382_InputIterator 2383time_get<_CharT, _InputIterator>::do_get_year(iter_type __b, iter_type __e, 2384 ios_base& __iob, 2385 ios_base::iostate& __err, 2386 tm* __tm) const 2387{ 2388 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2389 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2390 return __b; 2391} 2392 2393template <class _CharT, class _InputIterator> 2394_InputIterator 2395time_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 2396 ios_base& __iob, 2397 ios_base::iostate& __err, tm* __tm, 2398 char __fmt, char) const 2399{ 2400 __err = ios_base::goodbit; 2401 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2402 switch (__fmt) 2403 { 2404 case 'a': 2405 case 'A': 2406 __get_weekdayname(__tm->tm_wday, __b, __e, __err, __ct); 2407 break; 2408 case 'b': 2409 case 'B': 2410 case 'h': 2411 __get_monthname(__tm->tm_mon, __b, __e, __err, __ct); 2412 break; 2413 case 'c': 2414 { 2415 const string_type& __fm = this->__c(); 2416 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2417 } 2418 break; 2419 case 'd': 2420 case 'e': 2421 __get_day(__tm->tm_mday, __b, __e, __err, __ct); 2422 break; 2423 case 'D': 2424 { 2425 const char_type __fm[] = {'%', 'm', '/', '%', 'd', '/', '%', 'y'}; 2426 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2427 } 2428 break; 2429 case 'F': 2430 { 2431 const char_type __fm[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd'}; 2432 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2433 } 2434 break; 2435 case 'H': 2436 __get_hour(__tm->tm_hour, __b, __e, __err, __ct); 2437 break; 2438 case 'I': 2439 __get_12_hour(__tm->tm_hour, __b, __e, __err, __ct); 2440 break; 2441 case 'j': 2442 __get_day_year_num(__tm->tm_yday, __b, __e, __err, __ct); 2443 break; 2444 case 'm': 2445 __get_month(__tm->tm_mon, __b, __e, __err, __ct); 2446 break; 2447 case 'M': 2448 __get_minute(__tm->tm_min, __b, __e, __err, __ct); 2449 break; 2450 case 'n': 2451 case 't': 2452 __get_white_space(__b, __e, __err, __ct); 2453 break; 2454 case 'p': 2455 __get_am_pm(__tm->tm_hour, __b, __e, __err, __ct); 2456 break; 2457 case 'r': 2458 { 2459 const char_type __fm[] = {'%', 'I', ':', '%', 'M', ':', '%', 'S', ' ', '%', 'p'}; 2460 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2461 } 2462 break; 2463 case 'R': 2464 { 2465 const char_type __fm[] = {'%', 'H', ':', '%', 'M'}; 2466 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2467 } 2468 break; 2469 case 'S': 2470 __get_second(__tm->tm_sec, __b, __e, __err, __ct); 2471 break; 2472 case 'T': 2473 { 2474 const char_type __fm[] = {'%', 'H', ':', '%', 'M', ':', '%', 'S'}; 2475 __b = get(__b, __e, __iob, __err, __tm, __fm, __fm + sizeof(__fm)/sizeof(__fm[0])); 2476 } 2477 break; 2478 case 'w': 2479 __get_weekday(__tm->tm_wday, __b, __e, __err, __ct); 2480 break; 2481 case 'x': 2482 return do_get_date(__b, __e, __iob, __err, __tm); 2483 case 'X': 2484 { 2485 const string_type& __fm = this->__X(); 2486 __b = get(__b, __e, __iob, __err, __tm, __fm.data(), __fm.data() + __fm.size()); 2487 } 2488 break; 2489 case 'y': 2490 __get_year(__tm->tm_year, __b, __e, __err, __ct); 2491 break; 2492 case 'Y': 2493 __get_year4(__tm->tm_year, __b, __e, __err, __ct); 2494 break; 2495 case '%': 2496 __get_percent(__b, __e, __err, __ct); 2497 break; 2498 default: 2499 __err |= ios_base::failbit; 2500 } 2501 return __b; 2502} 2503 2504_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_get<char>) 2505_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_get<wchar_t>) 2506 2507class _LIBCPP_TYPE_VIS __time_get 2508{ 2509protected: 2510 locale_t __loc_; 2511 2512 __time_get(const char* __nm); 2513 __time_get(const string& __nm); 2514 ~__time_get(); 2515}; 2516 2517template <class _CharT> 2518class _LIBCPP_TYPE_VIS_ONLY __time_get_storage 2519 : public __time_get 2520{ 2521protected: 2522 typedef basic_string<_CharT> string_type; 2523 2524 string_type __weeks_[14]; 2525 string_type __months_[24]; 2526 string_type __am_pm_[2]; 2527 string_type __c_; 2528 string_type __r_; 2529 string_type __x_; 2530 string_type __X_; 2531 2532 explicit __time_get_storage(const char* __nm); 2533 explicit __time_get_storage(const string& __nm); 2534 2535 _LIBCPP_ALWAYS_INLINE ~__time_get_storage() {} 2536 2537 time_base::dateorder __do_date_order() const; 2538 2539private: 2540 void init(const ctype<_CharT>&); 2541 string_type __analyze(char __fmt, const ctype<_CharT>&); 2542}; 2543 2544template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2545class _LIBCPP_TYPE_VIS_ONLY time_get_byname 2546 : public time_get<_CharT, _InputIterator>, 2547 private __time_get_storage<_CharT> 2548{ 2549public: 2550 typedef time_base::dateorder dateorder; 2551 typedef _InputIterator iter_type; 2552 typedef _CharT char_type; 2553 typedef basic_string<char_type> string_type; 2554 2555 _LIBCPP_INLINE_VISIBILITY 2556 explicit time_get_byname(const char* __nm, size_t __refs = 0) 2557 : time_get<_CharT, _InputIterator>(__refs), 2558 __time_get_storage<_CharT>(__nm) {} 2559 _LIBCPP_INLINE_VISIBILITY 2560 explicit time_get_byname(const string& __nm, size_t __refs = 0) 2561 : time_get<_CharT, _InputIterator>(__refs), 2562 __time_get_storage<_CharT>(__nm) {} 2563 2564protected: 2565 _LIBCPP_INLINE_VISIBILITY 2566 ~time_get_byname() {} 2567 2568 _LIBCPP_INLINE_VISIBILITY 2569 virtual dateorder do_date_order() const {return this->__do_date_order();} 2570private: 2571 _LIBCPP_INLINE_VISIBILITY 2572 virtual const string_type* __weeks() const {return this->__weeks_;} 2573 _LIBCPP_INLINE_VISIBILITY 2574 virtual const string_type* __months() const {return this->__months_;} 2575 _LIBCPP_INLINE_VISIBILITY 2576 virtual const string_type* __am_pm() const {return this->__am_pm_;} 2577 _LIBCPP_INLINE_VISIBILITY 2578 virtual const string_type& __c() const {return this->__c_;} 2579 _LIBCPP_INLINE_VISIBILITY 2580 virtual const string_type& __r() const {return this->__r_;} 2581 _LIBCPP_INLINE_VISIBILITY 2582 virtual const string_type& __x() const {return this->__x_;} 2583 _LIBCPP_INLINE_VISIBILITY 2584 virtual const string_type& __X() const {return this->__X_;} 2585}; 2586 2587_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_get_byname<char>) 2588_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_get_byname<wchar_t>) 2589 2590class _LIBCPP_TYPE_VIS __time_put 2591{ 2592 locale_t __loc_; 2593protected: 2594 _LIBCPP_ALWAYS_INLINE __time_put() : __loc_(_LIBCPP_GET_C_LOCALE) {} 2595 __time_put(const char* __nm); 2596 __time_put(const string& __nm); 2597 ~__time_put(); 2598 void __do_put(char* __nb, char*& __ne, const tm* __tm, 2599 char __fmt, char __mod) const; 2600 void __do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm, 2601 char __fmt, char __mod) const; 2602}; 2603 2604template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2605class _LIBCPP_TYPE_VIS_ONLY time_put 2606 : public locale::facet, 2607 private __time_put 2608{ 2609public: 2610 typedef _CharT char_type; 2611 typedef _OutputIterator iter_type; 2612 2613 _LIBCPP_ALWAYS_INLINE 2614 explicit time_put(size_t __refs = 0) 2615 : locale::facet(__refs) {} 2616 2617 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, const tm* __tm, 2618 const char_type* __pb, const char_type* __pe) const; 2619 2620 _LIBCPP_ALWAYS_INLINE 2621 iter_type put(iter_type __s, ios_base& __iob, char_type __fl, 2622 const tm* __tm, char __fmt, char __mod = 0) const 2623 { 2624 return do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2625 } 2626 2627 static locale::id id; 2628 2629protected: 2630 _LIBCPP_ALWAYS_INLINE 2631 ~time_put() {} 2632 virtual iter_type do_put(iter_type __s, ios_base&, char_type, const tm* __tm, 2633 char __fmt, char __mod) const; 2634 2635 _LIBCPP_ALWAYS_INLINE 2636 explicit time_put(const char* __nm, size_t __refs) 2637 : locale::facet(__refs), 2638 __time_put(__nm) {} 2639 _LIBCPP_ALWAYS_INLINE 2640 explicit time_put(const string& __nm, size_t __refs) 2641 : locale::facet(__refs), 2642 __time_put(__nm) {} 2643}; 2644 2645template <class _CharT, class _OutputIterator> 2646locale::id 2647time_put<_CharT, _OutputIterator>::id; 2648 2649template <class _CharT, class _OutputIterator> 2650_OutputIterator 2651time_put<_CharT, _OutputIterator>::put(iter_type __s, ios_base& __iob, 2652 char_type __fl, const tm* __tm, 2653 const char_type* __pb, 2654 const char_type* __pe) const 2655{ 2656 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__iob.getloc()); 2657 for (; __pb != __pe; ++__pb) 2658 { 2659 if (__ct.narrow(*__pb, 0) == '%') 2660 { 2661 if (++__pb == __pe) 2662 { 2663 *__s++ = __pb[-1]; 2664 break; 2665 } 2666 char __mod = 0; 2667 char __fmt = __ct.narrow(*__pb, 0); 2668 if (__fmt == 'E' || __fmt == 'O') 2669 { 2670 if (++__pb == __pe) 2671 { 2672 *__s++ = __pb[-2]; 2673 *__s++ = __pb[-1]; 2674 break; 2675 } 2676 __mod = __fmt; 2677 __fmt = __ct.narrow(*__pb, 0); 2678 } 2679 __s = do_put(__s, __iob, __fl, __tm, __fmt, __mod); 2680 } 2681 else 2682 *__s++ = *__pb; 2683 } 2684 return __s; 2685} 2686 2687template <class _CharT, class _OutputIterator> 2688_OutputIterator 2689time_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base&, 2690 char_type, const tm* __tm, 2691 char __fmt, char __mod) const 2692{ 2693 char_type __nar[100]; 2694 char_type* __nb = __nar; 2695 char_type* __ne = __nb + 100; 2696 __do_put(__nb, __ne, __tm, __fmt, __mod); 2697 return _VSTD::copy(__nb, __ne, __s); 2698} 2699 2700_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_put<char>) 2701_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_put<wchar_t>) 2702 2703template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 2704class _LIBCPP_TYPE_VIS_ONLY time_put_byname 2705 : public time_put<_CharT, _OutputIterator> 2706{ 2707public: 2708 _LIBCPP_ALWAYS_INLINE 2709 explicit time_put_byname(const char* __nm, size_t __refs = 0) 2710 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2711 2712 _LIBCPP_ALWAYS_INLINE 2713 explicit time_put_byname(const string& __nm, size_t __refs = 0) 2714 : time_put<_CharT, _OutputIterator>(__nm, __refs) {} 2715 2716protected: 2717 _LIBCPP_ALWAYS_INLINE 2718 ~time_put_byname() {} 2719}; 2720 2721_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_put_byname<char>) 2722_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS time_put_byname<wchar_t>) 2723 2724// money_base 2725 2726class _LIBCPP_TYPE_VIS money_base 2727{ 2728public: 2729 enum part {none, space, symbol, sign, value}; 2730 struct pattern {char field[4];}; 2731 2732 _LIBCPP_ALWAYS_INLINE money_base() {} 2733}; 2734 2735// moneypunct 2736 2737template <class _CharT, bool _International = false> 2738class _LIBCPP_TYPE_VIS_ONLY moneypunct 2739 : public locale::facet, 2740 public money_base 2741{ 2742public: 2743 typedef _CharT char_type; 2744 typedef basic_string<char_type> string_type; 2745 2746 _LIBCPP_ALWAYS_INLINE 2747 explicit moneypunct(size_t __refs = 0) 2748 : locale::facet(__refs) {} 2749 2750 _LIBCPP_ALWAYS_INLINE char_type decimal_point() const {return do_decimal_point();} 2751 _LIBCPP_ALWAYS_INLINE char_type thousands_sep() const {return do_thousands_sep();} 2752 _LIBCPP_ALWAYS_INLINE string grouping() const {return do_grouping();} 2753 _LIBCPP_ALWAYS_INLINE string_type curr_symbol() const {return do_curr_symbol();} 2754 _LIBCPP_ALWAYS_INLINE string_type positive_sign() const {return do_positive_sign();} 2755 _LIBCPP_ALWAYS_INLINE string_type negative_sign() const {return do_negative_sign();} 2756 _LIBCPP_ALWAYS_INLINE int frac_digits() const {return do_frac_digits();} 2757 _LIBCPP_ALWAYS_INLINE pattern pos_format() const {return do_pos_format();} 2758 _LIBCPP_ALWAYS_INLINE pattern neg_format() const {return do_neg_format();} 2759 2760 static locale::id id; 2761 static const bool intl = _International; 2762 2763protected: 2764 _LIBCPP_ALWAYS_INLINE 2765 ~moneypunct() {} 2766 2767 virtual char_type do_decimal_point() const {return numeric_limits<char_type>::max();} 2768 virtual char_type do_thousands_sep() const {return numeric_limits<char_type>::max();} 2769 virtual string do_grouping() const {return string();} 2770 virtual string_type do_curr_symbol() const {return string_type();} 2771 virtual string_type do_positive_sign() const {return string_type();} 2772 virtual string_type do_negative_sign() const {return string_type(1, '-');} 2773 virtual int do_frac_digits() const {return 0;} 2774 virtual pattern do_pos_format() const 2775 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2776 virtual pattern do_neg_format() const 2777 {pattern __p = {{symbol, sign, none, value}}; return __p;} 2778}; 2779 2780template <class _CharT, bool _International> 2781locale::id 2782moneypunct<_CharT, _International>::id; 2783 2784template <class _CharT, bool _International> 2785const bool 2786moneypunct<_CharT, _International>::intl; 2787 2788_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct<char, false>) 2789_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct<char, true>) 2790_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct<wchar_t, false>) 2791_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct<wchar_t, true>) 2792 2793// moneypunct_byname 2794 2795template <class _CharT, bool _International = false> 2796class _LIBCPP_TYPE_VIS_ONLY moneypunct_byname 2797 : public moneypunct<_CharT, _International> 2798{ 2799public: 2800 typedef money_base::pattern pattern; 2801 typedef _CharT char_type; 2802 typedef basic_string<char_type> string_type; 2803 2804 _LIBCPP_ALWAYS_INLINE 2805 explicit moneypunct_byname(const char* __nm, size_t __refs = 0) 2806 : moneypunct<_CharT, _International>(__refs) {init(__nm);} 2807 2808 _LIBCPP_ALWAYS_INLINE 2809 explicit moneypunct_byname(const string& __nm, size_t __refs = 0) 2810 : moneypunct<_CharT, _International>(__refs) {init(__nm.c_str());} 2811 2812protected: 2813 _LIBCPP_ALWAYS_INLINE 2814 ~moneypunct_byname() {} 2815 2816 virtual char_type do_decimal_point() const {return __decimal_point_;} 2817 virtual char_type do_thousands_sep() const {return __thousands_sep_;} 2818 virtual string do_grouping() const {return __grouping_;} 2819 virtual string_type do_curr_symbol() const {return __curr_symbol_;} 2820 virtual string_type do_positive_sign() const {return __positive_sign_;} 2821 virtual string_type do_negative_sign() const {return __negative_sign_;} 2822 virtual int do_frac_digits() const {return __frac_digits_;} 2823 virtual pattern do_pos_format() const {return __pos_format_;} 2824 virtual pattern do_neg_format() const {return __neg_format_;} 2825 2826private: 2827 char_type __decimal_point_; 2828 char_type __thousands_sep_; 2829 string __grouping_; 2830 string_type __curr_symbol_; 2831 string_type __positive_sign_; 2832 string_type __negative_sign_; 2833 int __frac_digits_; 2834 pattern __pos_format_; 2835 pattern __neg_format_; 2836 2837 void init(const char*); 2838}; 2839 2840template<> void moneypunct_byname<char, false>::init(const char*); 2841template<> void moneypunct_byname<char, true>::init(const char*); 2842template<> void moneypunct_byname<wchar_t, false>::init(const char*); 2843template<> void moneypunct_byname<wchar_t, true>::init(const char*); 2844 2845_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, false>) 2846_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<char, true>) 2847_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, false>) 2848_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS moneypunct_byname<wchar_t, true>) 2849 2850// money_get 2851 2852template <class _CharT> 2853class __money_get 2854{ 2855protected: 2856 typedef _CharT char_type; 2857 typedef basic_string<char_type> string_type; 2858 2859 _LIBCPP_ALWAYS_INLINE __money_get() {} 2860 2861 static void __gather_info(bool __intl, const locale& __loc, 2862 money_base::pattern& __pat, char_type& __dp, 2863 char_type& __ts, string& __grp, 2864 string_type& __sym, string_type& __psn, 2865 string_type& __nsn, int& __fd); 2866}; 2867 2868template <class _CharT> 2869void 2870__money_get<_CharT>::__gather_info(bool __intl, const locale& __loc, 2871 money_base::pattern& __pat, char_type& __dp, 2872 char_type& __ts, string& __grp, 2873 string_type& __sym, string_type& __psn, 2874 string_type& __nsn, int& __fd) 2875{ 2876 if (__intl) 2877 { 2878 const moneypunct<char_type, true>& __mp = 2879 use_facet<moneypunct<char_type, true> >(__loc); 2880 __pat = __mp.neg_format(); 2881 __nsn = __mp.negative_sign(); 2882 __psn = __mp.positive_sign(); 2883 __dp = __mp.decimal_point(); 2884 __ts = __mp.thousands_sep(); 2885 __grp = __mp.grouping(); 2886 __sym = __mp.curr_symbol(); 2887 __fd = __mp.frac_digits(); 2888 } 2889 else 2890 { 2891 const moneypunct<char_type, false>& __mp = 2892 use_facet<moneypunct<char_type, false> >(__loc); 2893 __pat = __mp.neg_format(); 2894 __nsn = __mp.negative_sign(); 2895 __psn = __mp.positive_sign(); 2896 __dp = __mp.decimal_point(); 2897 __ts = __mp.thousands_sep(); 2898 __grp = __mp.grouping(); 2899 __sym = __mp.curr_symbol(); 2900 __fd = __mp.frac_digits(); 2901 } 2902} 2903 2904_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS __money_get<char>) 2905_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS __money_get<wchar_t>) 2906 2907template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> > 2908class _LIBCPP_TYPE_VIS_ONLY money_get 2909 : public locale::facet, 2910 private __money_get<_CharT> 2911{ 2912public: 2913 typedef _CharT char_type; 2914 typedef _InputIterator iter_type; 2915 typedef basic_string<char_type> string_type; 2916 2917 _LIBCPP_ALWAYS_INLINE 2918 explicit money_get(size_t __refs = 0) 2919 : locale::facet(__refs) {} 2920 2921 _LIBCPP_ALWAYS_INLINE 2922 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2923 ios_base::iostate& __err, long double& __v) const 2924 { 2925 return do_get(__b, __e, __intl, __iob, __err, __v); 2926 } 2927 2928 _LIBCPP_ALWAYS_INLINE 2929 iter_type get(iter_type __b, iter_type __e, bool __intl, ios_base& __iob, 2930 ios_base::iostate& __err, string_type& __v) const 2931 { 2932 return do_get(__b, __e, __intl, __iob, __err, __v); 2933 } 2934 2935 static locale::id id; 2936 2937protected: 2938 2939 _LIBCPP_ALWAYS_INLINE 2940 ~money_get() {} 2941 2942 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2943 ios_base& __iob, ios_base::iostate& __err, 2944 long double& __v) const; 2945 virtual iter_type do_get(iter_type __b, iter_type __e, bool __intl, 2946 ios_base& __iob, ios_base::iostate& __err, 2947 string_type& __v) const; 2948 2949private: 2950 static bool __do_get(iter_type& __b, iter_type __e, 2951 bool __intl, const locale& __loc, 2952 ios_base::fmtflags __flags, ios_base::iostate& __err, 2953 bool& __neg, const ctype<char_type>& __ct, 2954 unique_ptr<char_type, void(*)(void*)>& __wb, 2955 char_type*& __wn, char_type* __we); 2956}; 2957 2958template <class _CharT, class _InputIterator> 2959locale::id 2960money_get<_CharT, _InputIterator>::id; 2961 2962_LIBCPP_FUNC_VIS void __do_nothing(void*); 2963 2964template <class _Tp> 2965_LIBCPP_HIDDEN 2966void 2967__double_or_nothing(unique_ptr<_Tp, void(*)(void*)>& __b, _Tp*& __n, _Tp*& __e) 2968{ 2969 bool __owns = __b.get_deleter() != __do_nothing; 2970 size_t __cur_cap = static_cast<size_t>(__e-__b.get()) * sizeof(_Tp); 2971 size_t __new_cap = __cur_cap < numeric_limits<size_t>::max() / 2 ? 2972 2 * __cur_cap : numeric_limits<size_t>::max(); 2973 if (__new_cap == 0) 2974 __new_cap = sizeof(_Tp); 2975 size_t __n_off = static_cast<size_t>(__n - __b.get()); 2976 _Tp* __t = (_Tp*)realloc(__owns ? __b.get() : 0, __new_cap); 2977 if (__t == 0) 2978 __throw_bad_alloc(); 2979 if (__owns) 2980 __b.release(); 2981 __b = unique_ptr<_Tp, void(*)(void*)>(__t, free); 2982 __new_cap /= sizeof(_Tp); 2983 __n = __b.get() + __n_off; 2984 __e = __b.get() + __new_cap; 2985} 2986 2987// true == success 2988template <class _CharT, class _InputIterator> 2989bool 2990money_get<_CharT, _InputIterator>::__do_get(iter_type& __b, iter_type __e, 2991 bool __intl, const locale& __loc, 2992 ios_base::fmtflags __flags, 2993 ios_base::iostate& __err, 2994 bool& __neg, 2995 const ctype<char_type>& __ct, 2996 unique_ptr<char_type, void(*)(void*)>& __wb, 2997 char_type*& __wn, char_type* __we) 2998{ 2999 const unsigned __bz = 100; 3000 unsigned __gbuf[__bz]; 3001 unique_ptr<unsigned, void(*)(void*)> __gb(__gbuf, __do_nothing); 3002 unsigned* __gn = __gb.get(); 3003 unsigned* __ge = __gn + __bz; 3004 money_base::pattern __pat; 3005 char_type __dp; 3006 char_type __ts; 3007 string __grp; 3008 string_type __sym; 3009 string_type __psn; 3010 string_type __nsn; 3011 // Capture the spaces read into money_base::{space,none} so they 3012 // can be compared to initial spaces in __sym. 3013 string_type __spaces; 3014 int __fd; 3015 __money_get<_CharT>::__gather_info(__intl, __loc, __pat, __dp, __ts, __grp, 3016 __sym, __psn, __nsn, __fd); 3017 const string_type* __trailing_sign = 0; 3018 __wn = __wb.get(); 3019 for (unsigned __p = 0; __p < 4 && __b != __e; ++__p) 3020 { 3021 switch (__pat.field[__p]) 3022 { 3023 case money_base::space: 3024 if (__p != 3) 3025 { 3026 if (__ct.is(ctype_base::space, *__b)) 3027 __spaces.push_back(*__b++); 3028 else 3029 { 3030 __err |= ios_base::failbit; 3031 return false; 3032 } 3033 } 3034 // drop through 3035 case money_base::none: 3036 if (__p != 3) 3037 { 3038 while (__b != __e && __ct.is(ctype_base::space, *__b)) 3039 __spaces.push_back(*__b++); 3040 } 3041 break; 3042 case money_base::sign: 3043 if (__psn.size() + __nsn.size() > 0) 3044 { 3045 if (__psn.size() == 0 || __nsn.size() == 0) 3046 { // sign is optional 3047 if (__psn.size() > 0) 3048 { // __nsn.size() == 0 3049 if (*__b == __psn[0]) 3050 { 3051 ++__b; 3052 if (__psn.size() > 1) 3053 __trailing_sign = &__psn; 3054 } 3055 else 3056 __neg = true; 3057 } 3058 else if (*__b == __nsn[0]) // __nsn.size() > 0 && __psn.size() == 0 3059 { 3060 ++__b; 3061 __neg = true; 3062 if (__nsn.size() > 1) 3063 __trailing_sign = &__nsn; 3064 } 3065 } 3066 else // sign is required 3067 { 3068 if (*__b == __psn[0]) 3069 { 3070 ++__b; 3071 if (__psn.size() > 1) 3072 __trailing_sign = &__psn; 3073 } 3074 else if (*__b == __nsn[0]) 3075 { 3076 ++__b; 3077 __neg = true; 3078 if (__nsn.size() > 1) 3079 __trailing_sign = &__nsn; 3080 } 3081 else 3082 { 3083 __err |= ios_base::failbit; 3084 return false; 3085 } 3086 } 3087 } 3088 break; 3089 case money_base::symbol: 3090 { 3091 bool __more_needed = __trailing_sign || 3092 (__p < 2) || 3093 (__p == 2 && __pat.field[3] != static_cast<char>(money_base::none)); 3094 bool __sb = (__flags & ios_base::showbase) != 0; 3095 if (__sb || __more_needed) 3096 { 3097 typename string_type::const_iterator __sym_space_end = __sym.begin(); 3098 if (__p > 0 && (__pat.field[__p - 1] == money_base::none || 3099 __pat.field[__p - 1] == money_base::space)) { 3100 // Match spaces we've already read against spaces at 3101 // the beginning of __sym. 3102 while (__sym_space_end != __sym.end() && 3103 __ct.is(ctype_base::space, *__sym_space_end)) 3104 ++__sym_space_end; 3105 const size_t __num_spaces = __sym_space_end - __sym.begin(); 3106 if (__num_spaces > __spaces.size() || 3107 !equal(__spaces.end() - __num_spaces, __spaces.end(), 3108 __sym.begin())) { 3109 // No match. Put __sym_space_end back at the 3110 // beginning of __sym, which will prevent a 3111 // match in the next loop. 3112 __sym_space_end = __sym.begin(); 3113 } 3114 } 3115 typename string_type::const_iterator __sym_curr_char = __sym_space_end; 3116 while (__sym_curr_char != __sym.end() && __b != __e && 3117 *__b == *__sym_curr_char) { 3118 ++__b; 3119 ++__sym_curr_char; 3120 } 3121 if (__sb && __sym_curr_char != __sym.end()) 3122 { 3123 __err |= ios_base::failbit; 3124 return false; 3125 } 3126 } 3127 } 3128 break; 3129 case money_base::value: 3130 { 3131 unsigned __ng = 0; 3132 for (; __b != __e; ++__b) 3133 { 3134 char_type __c = *__b; 3135 if (__ct.is(ctype_base::digit, __c)) 3136 { 3137 if (__wn == __we) 3138 __double_or_nothing(__wb, __wn, __we); 3139 *__wn++ = __c; 3140 ++__ng; 3141 } 3142 else if (__grp.size() > 0 && __ng > 0 && __c == __ts) 3143 { 3144 if (__gn == __ge) 3145 __double_or_nothing(__gb, __gn, __ge); 3146 *__gn++ = __ng; 3147 __ng = 0; 3148 } 3149 else 3150 break; 3151 } 3152 if (__gb.get() != __gn && __ng > 0) 3153 { 3154 if (__gn == __ge) 3155 __double_or_nothing(__gb, __gn, __ge); 3156 *__gn++ = __ng; 3157 } 3158 if (__fd > 0) 3159 { 3160 if (__b == __e || *__b != __dp) 3161 { 3162 __err |= ios_base::failbit; 3163 return false; 3164 } 3165 for (++__b; __fd > 0; --__fd, ++__b) 3166 { 3167 if (__b == __e || !__ct.is(ctype_base::digit, *__b)) 3168 { 3169 __err |= ios_base::failbit; 3170 return false; 3171 } 3172 if (__wn == __we) 3173 __double_or_nothing(__wb, __wn, __we); 3174 *__wn++ = *__b; 3175 } 3176 } 3177 if (__wn == __wb.get()) 3178 { 3179 __err |= ios_base::failbit; 3180 return false; 3181 } 3182 } 3183 break; 3184 } 3185 } 3186 if (__trailing_sign) 3187 { 3188 for (unsigned __i = 1; __i < __trailing_sign->size(); ++__i, ++__b) 3189 { 3190 if (__b == __e || *__b != (*__trailing_sign)[__i]) 3191 { 3192 __err |= ios_base::failbit; 3193 return false; 3194 } 3195 } 3196 } 3197 if (__gb.get() != __gn) 3198 { 3199 ios_base::iostate __et = ios_base::goodbit; 3200 __check_grouping(__grp, __gb.get(), __gn, __et); 3201 if (__et) 3202 { 3203 __err |= ios_base::failbit; 3204 return false; 3205 } 3206 } 3207 return true; 3208} 3209 3210template <class _CharT, class _InputIterator> 3211_InputIterator 3212money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3213 bool __intl, ios_base& __iob, 3214 ios_base::iostate& __err, 3215 long double& __v) const 3216{ 3217 const int __bz = 100; 3218 char_type __wbuf[__bz]; 3219 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3220 char_type* __wn; 3221 char_type* __we = __wbuf + __bz; 3222 locale __loc = __iob.getloc(); 3223 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__loc); 3224 bool __neg = false; 3225 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3226 __wb, __wn, __we)) 3227 { 3228 const char __src[] = "0123456789"; 3229 char_type __atoms[sizeof(__src)-1]; 3230 __ct.widen(__src, __src + (sizeof(__src)-1), __atoms); 3231 char __nbuf[__bz]; 3232 char* __nc = __nbuf; 3233 unique_ptr<char, void(*)(void*)> __h(0, free); 3234 if (__wn - __wb.get() > __bz-2) 3235 { 3236 __h.reset((char*)malloc(static_cast<size_t>(__wn - __wb.get() + 2))); 3237 if (__h.get() == 0) 3238 __throw_bad_alloc(); 3239 __nc = __h.get(); 3240 } 3241 if (__neg) 3242 *__nc++ = '-'; 3243 for (const char_type* __w = __wb.get(); __w < __wn; ++__w, ++__nc) 3244 *__nc = __src[find(__atoms, _VSTD::end(__atoms), *__w) - __atoms]; 3245 *__nc = char(); 3246 if (sscanf(__nbuf, "%Lf", &__v) != 1) 3247 __throw_runtime_error("money_get error"); 3248 } 3249 if (__b == __e) 3250 __err |= ios_base::eofbit; 3251 return __b; 3252} 3253 3254template <class _CharT, class _InputIterator> 3255_InputIterator 3256money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e, 3257 bool __intl, ios_base& __iob, 3258 ios_base::iostate& __err, 3259 string_type& __v) const 3260{ 3261 const int __bz = 100; 3262 char_type __wbuf[__bz]; 3263 unique_ptr<char_type, void(*)(void*)> __wb(__wbuf, __do_nothing); 3264 char_type* __wn; 3265 char_type* __we = __wbuf + __bz; 3266 locale __loc = __iob.getloc(); 3267 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__loc); 3268 bool __neg = false; 3269 if (__do_get(__b, __e, __intl, __loc, __iob.flags(), __err, __neg, __ct, 3270 __wb, __wn, __we)) 3271 { 3272 __v.clear(); 3273 if (__neg) 3274 __v.push_back(__ct.widen('-')); 3275 char_type __z = __ct.widen('0'); 3276 char_type* __w; 3277 for (__w = __wb.get(); __w < __wn-1; ++__w) 3278 if (*__w != __z) 3279 break; 3280 __v.append(__w, __wn); 3281 } 3282 if (__b == __e) 3283 __err |= ios_base::eofbit; 3284 return __b; 3285} 3286 3287_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS money_get<char>) 3288_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS money_get<wchar_t>) 3289 3290// money_put 3291 3292template <class _CharT> 3293class __money_put 3294{ 3295protected: 3296 typedef _CharT char_type; 3297 typedef basic_string<char_type> string_type; 3298 3299 _LIBCPP_ALWAYS_INLINE __money_put() {} 3300 3301 static void __gather_info(bool __intl, bool __neg, const locale& __loc, 3302 money_base::pattern& __pat, char_type& __dp, 3303 char_type& __ts, string& __grp, 3304 string_type& __sym, string_type& __sn, 3305 int& __fd); 3306 static void __format(char_type* __mb, char_type*& __mi, char_type*& __me, 3307 ios_base::fmtflags __flags, 3308 const char_type* __db, const char_type* __de, 3309 const ctype<char_type>& __ct, bool __neg, 3310 const money_base::pattern& __pat, char_type __dp, 3311 char_type __ts, const string& __grp, 3312 const string_type& __sym, const string_type& __sn, 3313 int __fd); 3314}; 3315 3316template <class _CharT> 3317void 3318__money_put<_CharT>::__gather_info(bool __intl, bool __neg, const locale& __loc, 3319 money_base::pattern& __pat, char_type& __dp, 3320 char_type& __ts, string& __grp, 3321 string_type& __sym, string_type& __sn, 3322 int& __fd) 3323{ 3324 if (__intl) 3325 { 3326 const moneypunct<char_type, true>& __mp = 3327 use_facet<moneypunct<char_type, true> >(__loc); 3328 if (__neg) 3329 { 3330 __pat = __mp.neg_format(); 3331 __sn = __mp.negative_sign(); 3332 } 3333 else 3334 { 3335 __pat = __mp.pos_format(); 3336 __sn = __mp.positive_sign(); 3337 } 3338 __dp = __mp.decimal_point(); 3339 __ts = __mp.thousands_sep(); 3340 __grp = __mp.grouping(); 3341 __sym = __mp.curr_symbol(); 3342 __fd = __mp.frac_digits(); 3343 } 3344 else 3345 { 3346 const moneypunct<char_type, false>& __mp = 3347 use_facet<moneypunct<char_type, false> >(__loc); 3348 if (__neg) 3349 { 3350 __pat = __mp.neg_format(); 3351 __sn = __mp.negative_sign(); 3352 } 3353 else 3354 { 3355 __pat = __mp.pos_format(); 3356 __sn = __mp.positive_sign(); 3357 } 3358 __dp = __mp.decimal_point(); 3359 __ts = __mp.thousands_sep(); 3360 __grp = __mp.grouping(); 3361 __sym = __mp.curr_symbol(); 3362 __fd = __mp.frac_digits(); 3363 } 3364} 3365 3366template <class _CharT> 3367void 3368__money_put<_CharT>::__format(char_type* __mb, char_type*& __mi, char_type*& __me, 3369 ios_base::fmtflags __flags, 3370 const char_type* __db, const char_type* __de, 3371 const ctype<char_type>& __ct, bool __neg, 3372 const money_base::pattern& __pat, char_type __dp, 3373 char_type __ts, const string& __grp, 3374 const string_type& __sym, const string_type& __sn, 3375 int __fd) 3376{ 3377 __me = __mb; 3378 for (unsigned __p = 0; __p < 4; ++__p) 3379 { 3380 switch (__pat.field[__p]) 3381 { 3382 case money_base::none: 3383 __mi = __me; 3384 break; 3385 case money_base::space: 3386 __mi = __me; 3387 *__me++ = __ct.widen(' '); 3388 break; 3389 case money_base::sign: 3390 if (!__sn.empty()) 3391 *__me++ = __sn[0]; 3392 break; 3393 case money_base::symbol: 3394 if (!__sym.empty() && (__flags & ios_base::showbase)) 3395 __me = _VSTD::copy(__sym.begin(), __sym.end(), __me); 3396 break; 3397 case money_base::value: 3398 { 3399 // remember start of value so we can reverse it 3400 char_type* __t = __me; 3401 // find beginning of digits 3402 if (__neg) 3403 ++__db; 3404 // find end of digits 3405 const char_type* __d; 3406 for (__d = __db; __d < __de; ++__d) 3407 if (!__ct.is(ctype_base::digit, *__d)) 3408 break; 3409 // print fractional part 3410 if (__fd > 0) 3411 { 3412 int __f; 3413 for (__f = __fd; __d > __db && __f > 0; --__f) 3414 *__me++ = *--__d; 3415 char_type __z = __f > 0 ? __ct.widen('0') : char_type(); 3416 for (; __f > 0; --__f) 3417 *__me++ = __z; 3418 *__me++ = __dp; 3419 } 3420 // print units part 3421 if (__d == __db) 3422 { 3423 *__me++ = __ct.widen('0'); 3424 } 3425 else 3426 { 3427 unsigned __ng = 0; 3428 unsigned __ig = 0; 3429 unsigned __gl = __grp.empty() ? numeric_limits<unsigned>::max() 3430 : static_cast<unsigned>(__grp[__ig]); 3431 while (__d != __db) 3432 { 3433 if (__ng == __gl) 3434 { 3435 *__me++ = __ts; 3436 __ng = 0; 3437 if (++__ig < __grp.size()) 3438 __gl = __grp[__ig] == numeric_limits<char>::max() ? 3439 numeric_limits<unsigned>::max() : 3440 static_cast<unsigned>(__grp[__ig]); 3441 } 3442 *__me++ = *--__d; 3443 ++__ng; 3444 } 3445 } 3446 // reverse it 3447 reverse(__t, __me); 3448 } 3449 break; 3450 } 3451 } 3452 // print rest of sign, if any 3453 if (__sn.size() > 1) 3454 __me = _VSTD::copy(__sn.begin()+1, __sn.end(), __me); 3455 // set alignment 3456 if ((__flags & ios_base::adjustfield) == ios_base::left) 3457 __mi = __me; 3458 else if ((__flags & ios_base::adjustfield) != ios_base::internal) 3459 __mi = __mb; 3460} 3461 3462_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS __money_put<char>) 3463_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS __money_put<wchar_t>) 3464 3465template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> > 3466class _LIBCPP_TYPE_VIS_ONLY money_put 3467 : public locale::facet, 3468 private __money_put<_CharT> 3469{ 3470public: 3471 typedef _CharT char_type; 3472 typedef _OutputIterator iter_type; 3473 typedef basic_string<char_type> string_type; 3474 3475 _LIBCPP_ALWAYS_INLINE 3476 explicit money_put(size_t __refs = 0) 3477 : locale::facet(__refs) {} 3478 3479 _LIBCPP_ALWAYS_INLINE 3480 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3481 long double __units) const 3482 { 3483 return do_put(__s, __intl, __iob, __fl, __units); 3484 } 3485 3486 _LIBCPP_ALWAYS_INLINE 3487 iter_type put(iter_type __s, bool __intl, ios_base& __iob, char_type __fl, 3488 const string_type& __digits) const 3489 { 3490 return do_put(__s, __intl, __iob, __fl, __digits); 3491 } 3492 3493 static locale::id id; 3494 3495protected: 3496 _LIBCPP_ALWAYS_INLINE 3497 ~money_put() {} 3498 3499 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3500 char_type __fl, long double __units) const; 3501 virtual iter_type do_put(iter_type __s, bool __intl, ios_base& __iob, 3502 char_type __fl, const string_type& __digits) const; 3503}; 3504 3505template <class _CharT, class _OutputIterator> 3506locale::id 3507money_put<_CharT, _OutputIterator>::id; 3508 3509template <class _CharT, class _OutputIterator> 3510_OutputIterator 3511money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3512 ios_base& __iob, char_type __fl, 3513 long double __units) const 3514{ 3515 // convert to char 3516 const size_t __bs = 100; 3517 char __buf[__bs]; 3518 char* __bb = __buf; 3519 char_type __digits[__bs]; 3520 char_type* __db = __digits; 3521 size_t __n = static_cast<size_t>(snprintf(__bb, __bs, "%.0Lf", __units)); 3522 unique_ptr<char, void(*)(void*)> __hn(0, free); 3523 unique_ptr<char_type, void(*)(void*)> __hd(0, free); 3524 // secure memory for digit storage 3525 if (__n > __bs-1) 3526 { 3527#ifdef _LIBCPP_LOCALE__L_EXTENSIONS 3528 __n = static_cast<size_t>(asprintf_l(&__bb, _LIBCPP_GET_C_LOCALE, "%.0Lf", __units)); 3529#else 3530 __n = __asprintf_l(&__bb, __cloc(), "%.0Lf", __units); 3531#endif 3532 if (__bb == 0) 3533 __throw_bad_alloc(); 3534 __hn.reset(__bb); 3535 __hd.reset((char_type*)malloc(__n * sizeof(char_type))); 3536 if (__hd == nullptr) 3537 __throw_bad_alloc(); 3538 __db = __hd.get(); 3539 } 3540 // gather info 3541 locale __loc = __iob.getloc(); 3542 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__loc); 3543 __ct.widen(__bb, __bb + __n, __db); 3544 bool __neg = __n > 0 && __bb[0] == '-'; 3545 money_base::pattern __pat; 3546 char_type __dp; 3547 char_type __ts; 3548 string __grp; 3549 string_type __sym; 3550 string_type __sn; 3551 int __fd; 3552 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3553 // secure memory for formatting 3554 char_type __mbuf[__bs]; 3555 char_type* __mb = __mbuf; 3556 unique_ptr<char_type, void(*)(void*)> __hw(0, free); 3557 size_t __exn = static_cast<int>(__n) > __fd ? 3558 (__n - static_cast<size_t>(__fd)) * 2 + __sn.size() + 3559 __sym.size() + static_cast<size_t>(__fd) + 1 3560 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3561 if (__exn > __bs) 3562 { 3563 __hw.reset((char_type*)malloc(__exn * sizeof(char_type))); 3564 __mb = __hw.get(); 3565 if (__mb == 0) 3566 __throw_bad_alloc(); 3567 } 3568 // format 3569 char_type* __mi; 3570 char_type* __me; 3571 this->__format(__mb, __mi, __me, __iob.flags(), 3572 __db, __db + __n, __ct, 3573 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3574 return __pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3575} 3576 3577template <class _CharT, class _OutputIterator> 3578_OutputIterator 3579money_put<_CharT, _OutputIterator>::do_put(iter_type __s, bool __intl, 3580 ios_base& __iob, char_type __fl, 3581 const string_type& __digits) const 3582{ 3583 // gather info 3584 locale __loc = __iob.getloc(); 3585 const ctype<char_type>& __ct = use_facet<ctype<char_type> >(__loc); 3586 bool __neg = __digits.size() > 0 && __digits[0] == __ct.widen('-'); 3587 money_base::pattern __pat; 3588 char_type __dp; 3589 char_type __ts; 3590 string __grp; 3591 string_type __sym; 3592 string_type __sn; 3593 int __fd; 3594 this->__gather_info(__intl, __neg, __loc, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3595 // secure memory for formatting 3596 char_type __mbuf[100]; 3597 char_type* __mb = __mbuf; 3598 unique_ptr<char_type, void(*)(void*)> __h(0, free); 3599 size_t __exn = static_cast<int>(__digits.size()) > __fd ? 3600 (__digits.size() - static_cast<size_t>(__fd)) * 2 + 3601 __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 1 3602 : __sn.size() + __sym.size() + static_cast<size_t>(__fd) + 2; 3603 if (__exn > 100) 3604 { 3605 __h.reset((char_type*)malloc(__exn * sizeof(char_type))); 3606 __mb = __h.get(); 3607 if (__mb == 0) 3608 __throw_bad_alloc(); 3609 } 3610 // format 3611 char_type* __mi; 3612 char_type* __me; 3613 this->__format(__mb, __mi, __me, __iob.flags(), 3614 __digits.data(), __digits.data() + __digits.size(), __ct, 3615 __neg, __pat, __dp, __ts, __grp, __sym, __sn, __fd); 3616 return __pad_and_output(__s, __mb, __mi, __me, __iob, __fl); 3617} 3618 3619_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS money_put<char>) 3620_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS money_put<wchar_t>) 3621 3622// messages 3623 3624class _LIBCPP_TYPE_VIS messages_base 3625{ 3626public: 3627 typedef ptrdiff_t catalog; 3628 3629 _LIBCPP_ALWAYS_INLINE messages_base() {} 3630}; 3631 3632template <class _CharT> 3633class _LIBCPP_TYPE_VIS_ONLY messages 3634 : public locale::facet, 3635 public messages_base 3636{ 3637public: 3638 typedef _CharT char_type; 3639 typedef basic_string<_CharT> string_type; 3640 3641 _LIBCPP_ALWAYS_INLINE 3642 explicit messages(size_t __refs = 0) 3643 : locale::facet(__refs) {} 3644 3645 _LIBCPP_ALWAYS_INLINE 3646 catalog open(const basic_string<char>& __nm, const locale& __loc) const 3647 { 3648 return do_open(__nm, __loc); 3649 } 3650 3651 _LIBCPP_ALWAYS_INLINE 3652 string_type get(catalog __c, int __set, int __msgid, 3653 const string_type& __dflt) const 3654 { 3655 return do_get(__c, __set, __msgid, __dflt); 3656 } 3657 3658 _LIBCPP_ALWAYS_INLINE 3659 void close(catalog __c) const 3660 { 3661 do_close(__c); 3662 } 3663 3664 static locale::id id; 3665 3666protected: 3667 _LIBCPP_ALWAYS_INLINE 3668 ~messages() {} 3669 3670 virtual catalog do_open(const basic_string<char>&, const locale&) const; 3671 virtual string_type do_get(catalog, int __set, int __msgid, 3672 const string_type& __dflt) const; 3673 virtual void do_close(catalog) const; 3674}; 3675 3676template <class _CharT> 3677locale::id 3678messages<_CharT>::id; 3679 3680template <class _CharT> 3681typename messages<_CharT>::catalog 3682messages<_CharT>::do_open(const basic_string<char>& __nm, const locale&) const 3683{ 3684#if defined(_WIN32) || defined(__ANDROID__) || defined(_NEWLIB_VERSION) 3685 return -1; 3686#else // _WIN32 || __ANDROID__ 3687 catalog __cat = (catalog)catopen(__nm.c_str(), NL_CAT_LOCALE); 3688 if (__cat != -1) 3689 __cat = static_cast<catalog>((static_cast<size_t>(__cat) >> 1)); 3690 return __cat; 3691#endif // _WIN32 || __ANDROID__ 3692} 3693 3694template <class _CharT> 3695typename messages<_CharT>::string_type 3696messages<_CharT>::do_get(catalog __c, int __set, int __msgid, 3697 const string_type& __dflt) const 3698{ 3699#if defined(_WIN32) || defined(__ANDROID__) || defined(_NEWLIB_VERSION) 3700 return __dflt; 3701#else // _WIN32 3702 string __ndflt; 3703 __narrow_to_utf8<sizeof(char_type)*__CHAR_BIT__>()(back_inserter(__ndflt), 3704 __dflt.c_str(), 3705 __dflt.c_str() + __dflt.size()); 3706 if (__c != -1) 3707 __c <<= 1; 3708 nl_catd __cat = (nl_catd)__c; 3709 char* __n = catgets(__cat, __set, __msgid, __ndflt.c_str()); 3710 string_type __w; 3711 __widen_from_utf8<sizeof(char_type)*__CHAR_BIT__>()(back_inserter(__w), 3712 __n, __n + strlen(__n)); 3713 return __w; 3714#endif // _WIN32 3715} 3716 3717template <class _CharT> 3718void 3719messages<_CharT>::do_close(catalog __c) const 3720{ 3721#if !defined(_WIN32) && !defined(__ANDROID__) && !defined(_NEWLIB_VERSION) 3722 if (__c != -1) 3723 __c <<= 1; 3724 nl_catd __cat = (nl_catd)__c; 3725 catclose(__cat); 3726#endif // !_WIN32 3727} 3728 3729_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS messages<char>) 3730_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS messages<wchar_t>) 3731 3732template <class _CharT> 3733class _LIBCPP_TYPE_VIS_ONLY messages_byname 3734 : public messages<_CharT> 3735{ 3736public: 3737 typedef messages_base::catalog catalog; 3738 typedef basic_string<_CharT> string_type; 3739 3740 _LIBCPP_ALWAYS_INLINE 3741 explicit messages_byname(const char*, size_t __refs = 0) 3742 : messages<_CharT>(__refs) {} 3743 3744 _LIBCPP_ALWAYS_INLINE 3745 explicit messages_byname(const string&, size_t __refs = 0) 3746 : messages<_CharT>(__refs) {} 3747 3748protected: 3749 _LIBCPP_ALWAYS_INLINE 3750 ~messages_byname() {} 3751}; 3752 3753_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS messages_byname<char>) 3754_LIBCPP_EXTERN_TEMPLATE2(class _LIBCPP_TYPE_VIS messages_byname<wchar_t>) 3755 3756template<class _Codecvt, class _Elem = wchar_t, 3757 class _Wide_alloc = allocator<_Elem>, 3758 class _Byte_alloc = allocator<char> > 3759class _LIBCPP_TYPE_VIS_ONLY wstring_convert 3760{ 3761public: 3762 typedef basic_string<char, char_traits<char>, _Byte_alloc> byte_string; 3763 typedef basic_string<_Elem, char_traits<_Elem>, _Wide_alloc> wide_string; 3764 typedef typename _Codecvt::state_type state_type; 3765 typedef typename wide_string::traits_type::int_type int_type; 3766 3767private: 3768 byte_string __byte_err_string_; 3769 wide_string __wide_err_string_; 3770 _Codecvt* __cvtptr_; 3771 state_type __cvtstate_; 3772 size_t __cvtcount_; 3773 3774 wstring_convert(const wstring_convert& __wc); 3775 wstring_convert& operator=(const wstring_convert& __wc); 3776public: 3777 _LIBCPP_EXPLICIT_AFTER_CXX11 wstring_convert(_Codecvt* __pcvt = new _Codecvt); 3778 wstring_convert(_Codecvt* __pcvt, state_type __state); 3779 _LIBCPP_EXPLICIT_AFTER_CXX11 wstring_convert(const byte_string& __byte_err, 3780 const wide_string& __wide_err = wide_string()); 3781#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3782 wstring_convert(wstring_convert&& __wc); 3783#endif 3784 ~wstring_convert(); 3785 3786 _LIBCPP_ALWAYS_INLINE 3787 wide_string from_bytes(char __byte) 3788 {return from_bytes(&__byte, &__byte+1);} 3789 _LIBCPP_ALWAYS_INLINE 3790 wide_string from_bytes(const char* __ptr) 3791 {return from_bytes(__ptr, __ptr + char_traits<char>::length(__ptr));} 3792 _LIBCPP_ALWAYS_INLINE 3793 wide_string from_bytes(const byte_string& __str) 3794 {return from_bytes(__str.data(), __str.data() + __str.size());} 3795 wide_string from_bytes(const char* __first, const char* __last); 3796 3797 _LIBCPP_ALWAYS_INLINE 3798 byte_string to_bytes(_Elem __wchar) 3799 {return to_bytes(&__wchar, &__wchar+1);} 3800 _LIBCPP_ALWAYS_INLINE 3801 byte_string to_bytes(const _Elem* __wptr) 3802 {return to_bytes(__wptr, __wptr + char_traits<_Elem>::length(__wptr));} 3803 _LIBCPP_ALWAYS_INLINE 3804 byte_string to_bytes(const wide_string& __wstr) 3805 {return to_bytes(__wstr.data(), __wstr.data() + __wstr.size());} 3806 byte_string to_bytes(const _Elem* __first, const _Elem* __last); 3807 3808 _LIBCPP_ALWAYS_INLINE 3809 size_t converted() const _NOEXCEPT {return __cvtcount_;} 3810 _LIBCPP_ALWAYS_INLINE 3811 state_type state() const {return __cvtstate_;} 3812}; 3813 3814template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3815inline _LIBCPP_ALWAYS_INLINE 3816wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3817 wstring_convert(_Codecvt* __pcvt) 3818 : __cvtptr_(__pcvt), __cvtstate_(), __cvtcount_(0) 3819{ 3820} 3821 3822template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3823inline _LIBCPP_ALWAYS_INLINE 3824wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3825 wstring_convert(_Codecvt* __pcvt, state_type __state) 3826 : __cvtptr_(__pcvt), __cvtstate_(__state), __cvtcount_(0) 3827{ 3828} 3829 3830template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3831wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3832 wstring_convert(const byte_string& __byte_err, const wide_string& __wide_err) 3833 : __byte_err_string_(__byte_err), __wide_err_string_(__wide_err), 3834 __cvtstate_(), __cvtcount_(0) 3835{ 3836 __cvtptr_ = new _Codecvt; 3837} 3838 3839#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 3840 3841template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3842inline _LIBCPP_ALWAYS_INLINE 3843wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3844 wstring_convert(wstring_convert&& __wc) 3845 : __byte_err_string_(_VSTD::move(__wc.__byte_err_string_)), 3846 __wide_err_string_(_VSTD::move(__wc.__wide_err_string_)), 3847 __cvtptr_(__wc.__cvtptr_), 3848 __cvtstate_(__wc.__cvtstate_), __cvtcount_(__wc.__cvtstate_) 3849{ 3850 __wc.__cvtptr_ = nullptr; 3851} 3852 3853#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 3854 3855template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3856wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::~wstring_convert() 3857{ 3858 delete __cvtptr_; 3859} 3860 3861template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3862typename wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::wide_string 3863wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3864 from_bytes(const char* __frm, const char* __frm_end) 3865{ 3866 __cvtcount_ = 0; 3867 if (__cvtptr_ != nullptr) 3868 { 3869 wide_string __ws(2*(__frm_end - __frm), _Elem()); 3870 if (__frm != __frm_end) 3871 __ws.resize(__ws.capacity()); 3872 codecvt_base::result __r = codecvt_base::ok; 3873 state_type __st = __cvtstate_; 3874 if (__frm != __frm_end) 3875 { 3876 _Elem* __to = &__ws[0]; 3877 _Elem* __to_end = __to + __ws.size(); 3878 const char* __frm_nxt; 3879 do 3880 { 3881 _Elem* __to_nxt; 3882 __r = __cvtptr_->in(__st, __frm, __frm_end, __frm_nxt, 3883 __to, __to_end, __to_nxt); 3884 __cvtcount_ += __frm_nxt - __frm; 3885 if (__frm_nxt == __frm) 3886 { 3887 __r = codecvt_base::error; 3888 } 3889 else if (__r == codecvt_base::noconv) 3890 { 3891 __ws.resize(__to - &__ws[0]); 3892 // This only gets executed if _Elem is char 3893 __ws.append((const _Elem*)__frm, (const _Elem*)__frm_end); 3894 __frm = __frm_nxt; 3895 __r = codecvt_base::ok; 3896 } 3897 else if (__r == codecvt_base::ok) 3898 { 3899 __ws.resize(__to_nxt - &__ws[0]); 3900 __frm = __frm_nxt; 3901 } 3902 else if (__r == codecvt_base::partial) 3903 { 3904 ptrdiff_t __s = __to_nxt - &__ws[0]; 3905 __ws.resize(2 * __s); 3906 __to = &__ws[0] + __s; 3907 __to_end = &__ws[0] + __ws.size(); 3908 __frm = __frm_nxt; 3909 } 3910 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3911 } 3912 if (__r == codecvt_base::ok) 3913 return __ws; 3914 } 3915#ifndef _LIBCPP_NO_EXCEPTIONS 3916 if (__wide_err_string_.empty()) 3917 throw range_error("wstring_convert: from_bytes error"); 3918#endif // _LIBCPP_NO_EXCEPTIONS 3919 return __wide_err_string_; 3920} 3921 3922template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc> 3923typename wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::byte_string 3924wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>:: 3925 to_bytes(const _Elem* __frm, const _Elem* __frm_end) 3926{ 3927 __cvtcount_ = 0; 3928 if (__cvtptr_ != nullptr) 3929 { 3930 byte_string __bs(2*(__frm_end - __frm), char()); 3931 if (__frm != __frm_end) 3932 __bs.resize(__bs.capacity()); 3933 codecvt_base::result __r = codecvt_base::ok; 3934 state_type __st = __cvtstate_; 3935 if (__frm != __frm_end) 3936 { 3937 char* __to = &__bs[0]; 3938 char* __to_end = __to + __bs.size(); 3939 const _Elem* __frm_nxt; 3940 do 3941 { 3942 char* __to_nxt; 3943 __r = __cvtptr_->out(__st, __frm, __frm_end, __frm_nxt, 3944 __to, __to_end, __to_nxt); 3945 __cvtcount_ += __frm_nxt - __frm; 3946 if (__frm_nxt == __frm) 3947 { 3948 __r = codecvt_base::error; 3949 } 3950 else if (__r == codecvt_base::noconv) 3951 { 3952 __bs.resize(__to - &__bs[0]); 3953 // This only gets executed if _Elem is char 3954 __bs.append((const char*)__frm, (const char*)__frm_end); 3955 __frm = __frm_nxt; 3956 __r = codecvt_base::ok; 3957 } 3958 else if (__r == codecvt_base::ok) 3959 { 3960 __bs.resize(__to_nxt - &__bs[0]); 3961 __frm = __frm_nxt; 3962 } 3963 else if (__r == codecvt_base::partial) 3964 { 3965 ptrdiff_t __s = __to_nxt - &__bs[0]; 3966 __bs.resize(2 * __s); 3967 __to = &__bs[0] + __s; 3968 __to_end = &__bs[0] + __bs.size(); 3969 __frm = __frm_nxt; 3970 } 3971 } while (__r == codecvt_base::partial && __frm_nxt < __frm_end); 3972 } 3973 if (__r == codecvt_base::ok) 3974 { 3975 size_t __s = __bs.size(); 3976 __bs.resize(__bs.capacity()); 3977 char* __to = &__bs[0] + __s; 3978 char* __to_end = __to + __bs.size(); 3979 do 3980 { 3981 char* __to_nxt; 3982 __r = __cvtptr_->unshift(__st, __to, __to_end, __to_nxt); 3983 if (__r == codecvt_base::noconv) 3984 { 3985 __bs.resize(__to - &__bs[0]); 3986 __r = codecvt_base::ok; 3987 } 3988 else if (__r == codecvt_base::ok) 3989 { 3990 __bs.resize(__to_nxt - &__bs[0]); 3991 } 3992 else if (__r == codecvt_base::partial) 3993 { 3994 ptrdiff_t __sp = __to_nxt - &__bs[0]; 3995 __bs.resize(2 * __sp); 3996 __to = &__bs[0] + __sp; 3997 __to_end = &__bs[0] + __bs.size(); 3998 } 3999 } while (__r == codecvt_base::partial); 4000 if (__r == codecvt_base::ok) 4001 return __bs; 4002 } 4003 } 4004#ifndef _LIBCPP_NO_EXCEPTIONS 4005 if (__byte_err_string_.empty()) 4006 throw range_error("wstring_convert: to_bytes error"); 4007#endif // _LIBCPP_NO_EXCEPTIONS 4008 return __byte_err_string_; 4009} 4010 4011template <class _Codecvt, class _Elem = wchar_t, class _Tr = char_traits<_Elem> > 4012class _LIBCPP_TYPE_VIS_ONLY wbuffer_convert 4013 : public basic_streambuf<_Elem, _Tr> 4014{ 4015public: 4016 // types: 4017 typedef _Elem char_type; 4018 typedef _Tr traits_type; 4019 typedef typename traits_type::int_type int_type; 4020 typedef typename traits_type::pos_type pos_type; 4021 typedef typename traits_type::off_type off_type; 4022 typedef typename _Codecvt::state_type state_type; 4023 4024private: 4025 char* __extbuf_; 4026 const char* __extbufnext_; 4027 const char* __extbufend_; 4028 char __extbuf_min_[8]; 4029 size_t __ebs_; 4030 char_type* __intbuf_; 4031 size_t __ibs_; 4032 streambuf* __bufptr_; 4033 _Codecvt* __cv_; 4034 state_type __st_; 4035 ios_base::openmode __cm_; 4036 bool __owns_eb_; 4037 bool __owns_ib_; 4038 bool __always_noconv_; 4039 4040 wbuffer_convert(const wbuffer_convert&); 4041 wbuffer_convert& operator=(const wbuffer_convert&); 4042public: 4043 _LIBCPP_EXPLICIT_AFTER_CXX11 wbuffer_convert(streambuf* __bytebuf = 0, 4044 _Codecvt* __pcvt = new _Codecvt, state_type __state = state_type()); 4045 ~wbuffer_convert(); 4046 4047 _LIBCPP_INLINE_VISIBILITY 4048 streambuf* rdbuf() const {return __bufptr_;} 4049 _LIBCPP_INLINE_VISIBILITY 4050 streambuf* rdbuf(streambuf* __bytebuf) 4051 { 4052 streambuf* __r = __bufptr_; 4053 __bufptr_ = __bytebuf; 4054 return __r; 4055 } 4056 4057 _LIBCPP_INLINE_VISIBILITY 4058 state_type state() const {return __st_;} 4059 4060protected: 4061 virtual int_type underflow(); 4062 virtual int_type pbackfail(int_type __c = traits_type::eof()); 4063 virtual int_type overflow (int_type __c = traits_type::eof()); 4064 virtual basic_streambuf<char_type, traits_type>* setbuf(char_type* __s, 4065 streamsize __n); 4066 virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 4067 ios_base::openmode __wch = ios_base::in | ios_base::out); 4068 virtual pos_type seekpos(pos_type __sp, 4069 ios_base::openmode __wch = ios_base::in | ios_base::out); 4070 virtual int sync(); 4071 4072private: 4073 bool __read_mode(); 4074 void __write_mode(); 4075 wbuffer_convert* __close(); 4076}; 4077 4078template <class _Codecvt, class _Elem, class _Tr> 4079wbuffer_convert<_Codecvt, _Elem, _Tr>:: 4080 wbuffer_convert(streambuf* __bytebuf, _Codecvt* __pcvt, state_type __state) 4081 : __extbuf_(0), 4082 __extbufnext_(0), 4083 __extbufend_(0), 4084 __ebs_(0), 4085 __intbuf_(0), 4086 __ibs_(0), 4087 __bufptr_(__bytebuf), 4088 __cv_(__pcvt), 4089 __st_(__state), 4090 __cm_(0), 4091 __owns_eb_(false), 4092 __owns_ib_(false), 4093 __always_noconv_(__cv_ ? __cv_->always_noconv() : false) 4094{ 4095 setbuf(0, 4096); 4096} 4097 4098template <class _Codecvt, class _Elem, class _Tr> 4099wbuffer_convert<_Codecvt, _Elem, _Tr>::~wbuffer_convert() 4100{ 4101 __close(); 4102 delete __cv_; 4103 if (__owns_eb_) 4104 delete [] __extbuf_; 4105 if (__owns_ib_) 4106 delete [] __intbuf_; 4107} 4108 4109template <class _Codecvt, class _Elem, class _Tr> 4110typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4111wbuffer_convert<_Codecvt, _Elem, _Tr>::underflow() 4112{ 4113 if (__cv_ == 0 || __bufptr_ == 0) 4114 return traits_type::eof(); 4115 bool __initial = __read_mode(); 4116 char_type __1buf; 4117 if (this->gptr() == 0) 4118 this->setg(&__1buf, &__1buf+1, &__1buf+1); 4119 const size_t __unget_sz = __initial ? 0 : min<size_t>((this->egptr() - this->eback()) / 2, 4); 4120 int_type __c = traits_type::eof(); 4121 if (this->gptr() == this->egptr()) 4122 { 4123 memmove(this->eback(), this->egptr() - __unget_sz, __unget_sz * sizeof(char_type)); 4124 if (__always_noconv_) 4125 { 4126 streamsize __nmemb = static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz); 4127 __nmemb = __bufptr_->sgetn((char*)this->eback() + __unget_sz, __nmemb); 4128 if (__nmemb != 0) 4129 { 4130 this->setg(this->eback(), 4131 this->eback() + __unget_sz, 4132 this->eback() + __unget_sz + __nmemb); 4133 __c = *this->gptr(); 4134 } 4135 } 4136 else 4137 { 4138 memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_); 4139 __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_); 4140 __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_); 4141 streamsize __nmemb = _VSTD::min(static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz), 4142 static_cast<streamsize>(__extbufend_ - __extbufnext_)); 4143 codecvt_base::result __r; 4144 state_type __svs = __st_; 4145 streamsize __nr = __bufptr_->sgetn(const_cast<char*>(__extbufnext_), __nmemb); 4146 if (__nr != 0) 4147 { 4148 __extbufend_ = __extbufnext_ + __nr; 4149 char_type* __inext; 4150 __r = __cv_->in(__st_, __extbuf_, __extbufend_, __extbufnext_, 4151 this->eback() + __unget_sz, 4152 this->egptr(), __inext); 4153 if (__r == codecvt_base::noconv) 4154 { 4155 this->setg((char_type*)__extbuf_, (char_type*)__extbuf_, (char_type*)__extbufend_); 4156 __c = *this->gptr(); 4157 } 4158 else if (__inext != this->eback() + __unget_sz) 4159 { 4160 this->setg(this->eback(), this->eback() + __unget_sz, __inext); 4161 __c = *this->gptr(); 4162 } 4163 } 4164 } 4165 } 4166 else 4167 __c = *this->gptr(); 4168 if (this->eback() == &__1buf) 4169 this->setg(0, 0, 0); 4170 return __c; 4171} 4172 4173template <class _Codecvt, class _Elem, class _Tr> 4174typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4175wbuffer_convert<_Codecvt, _Elem, _Tr>::pbackfail(int_type __c) 4176{ 4177 if (__cv_ != 0 && __bufptr_ != 0 && this->eback() < this->gptr()) 4178 { 4179 if (traits_type::eq_int_type(__c, traits_type::eof())) 4180 { 4181 this->gbump(-1); 4182 return traits_type::not_eof(__c); 4183 } 4184 if (traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 4185 { 4186 this->gbump(-1); 4187 *this->gptr() = traits_type::to_char_type(__c); 4188 return __c; 4189 } 4190 } 4191 return traits_type::eof(); 4192} 4193 4194template <class _Codecvt, class _Elem, class _Tr> 4195typename wbuffer_convert<_Codecvt, _Elem, _Tr>::int_type 4196wbuffer_convert<_Codecvt, _Elem, _Tr>::overflow(int_type __c) 4197{ 4198 if (__cv_ == 0 || __bufptr_ == 0) 4199 return traits_type::eof(); 4200 __write_mode(); 4201 char_type __1buf; 4202 char_type* __pb_save = this->pbase(); 4203 char_type* __epb_save = this->epptr(); 4204 if (!traits_type::eq_int_type(__c, traits_type::eof())) 4205 { 4206 if (this->pptr() == 0) 4207 this->setp(&__1buf, &__1buf+1); 4208 *this->pptr() = traits_type::to_char_type(__c); 4209 this->pbump(1); 4210 } 4211 if (this->pptr() != this->pbase()) 4212 { 4213 if (__always_noconv_) 4214 { 4215 streamsize __nmemb = static_cast<streamsize>(this->pptr() - this->pbase()); 4216 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4217 return traits_type::eof(); 4218 } 4219 else 4220 { 4221 char* __extbe = __extbuf_; 4222 codecvt_base::result __r; 4223 do 4224 { 4225 const char_type* __e; 4226 __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e, 4227 __extbuf_, __extbuf_ + __ebs_, __extbe); 4228 if (__e == this->pbase()) 4229 return traits_type::eof(); 4230 if (__r == codecvt_base::noconv) 4231 { 4232 streamsize __nmemb = static_cast<size_t>(this->pptr() - this->pbase()); 4233 if (__bufptr_->sputn((const char*)this->pbase(), __nmemb) != __nmemb) 4234 return traits_type::eof(); 4235 } 4236 else if (__r == codecvt_base::ok || __r == codecvt_base::partial) 4237 { 4238 streamsize __nmemb = static_cast<size_t>(__extbe - __extbuf_); 4239 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4240 return traits_type::eof(); 4241 if (__r == codecvt_base::partial) 4242 { 4243 this->setp((char_type*)__e, this->pptr()); 4244 this->pbump(this->epptr() - this->pbase()); 4245 } 4246 } 4247 else 4248 return traits_type::eof(); 4249 } while (__r == codecvt_base::partial); 4250 } 4251 this->setp(__pb_save, __epb_save); 4252 } 4253 return traits_type::not_eof(__c); 4254} 4255 4256template <class _Codecvt, class _Elem, class _Tr> 4257basic_streambuf<_Elem, _Tr>* 4258wbuffer_convert<_Codecvt, _Elem, _Tr>::setbuf(char_type* __s, streamsize __n) 4259{ 4260 this->setg(0, 0, 0); 4261 this->setp(0, 0); 4262 if (__owns_eb_) 4263 delete [] __extbuf_; 4264 if (__owns_ib_) 4265 delete [] __intbuf_; 4266 __ebs_ = __n; 4267 if (__ebs_ > sizeof(__extbuf_min_)) 4268 { 4269 if (__always_noconv_ && __s) 4270 { 4271 __extbuf_ = (char*)__s; 4272 __owns_eb_ = false; 4273 } 4274 else 4275 { 4276 __extbuf_ = new char[__ebs_]; 4277 __owns_eb_ = true; 4278 } 4279 } 4280 else 4281 { 4282 __extbuf_ = __extbuf_min_; 4283 __ebs_ = sizeof(__extbuf_min_); 4284 __owns_eb_ = false; 4285 } 4286 if (!__always_noconv_) 4287 { 4288 __ibs_ = max<streamsize>(__n, sizeof(__extbuf_min_)); 4289 if (__s && __ibs_ >= sizeof(__extbuf_min_)) 4290 { 4291 __intbuf_ = __s; 4292 __owns_ib_ = false; 4293 } 4294 else 4295 { 4296 __intbuf_ = new char_type[__ibs_]; 4297 __owns_ib_ = true; 4298 } 4299 } 4300 else 4301 { 4302 __ibs_ = 0; 4303 __intbuf_ = 0; 4304 __owns_ib_ = false; 4305 } 4306 return this; 4307} 4308 4309template <class _Codecvt, class _Elem, class _Tr> 4310typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4311wbuffer_convert<_Codecvt, _Elem, _Tr>::seekoff(off_type __off, ios_base::seekdir __way, 4312 ios_base::openmode __om) 4313{ 4314 int __width = __cv_->encoding(); 4315 if (__cv_ == 0 || __bufptr_ == 0 || (__width <= 0 && __off != 0) || sync()) 4316 return pos_type(off_type(-1)); 4317 // __width > 0 || __off == 0 4318 switch (__way) 4319 { 4320 case ios_base::beg: 4321 break; 4322 case ios_base::cur: 4323 break; 4324 case ios_base::end: 4325 break; 4326 default: 4327 return pos_type(off_type(-1)); 4328 } 4329 pos_type __r = __bufptr_->pubseekoff(__width * __off, __way, __om); 4330 __r.state(__st_); 4331 return __r; 4332} 4333 4334template <class _Codecvt, class _Elem, class _Tr> 4335typename wbuffer_convert<_Codecvt, _Elem, _Tr>::pos_type 4336wbuffer_convert<_Codecvt, _Elem, _Tr>::seekpos(pos_type __sp, ios_base::openmode __wch) 4337{ 4338 if (__cv_ == 0 || __bufptr_ == 0 || sync()) 4339 return pos_type(off_type(-1)); 4340 if (__bufptr_->pubseekpos(__sp, __wch) == pos_type(off_type(-1))) 4341 return pos_type(off_type(-1)); 4342 return __sp; 4343} 4344 4345template <class _Codecvt, class _Elem, class _Tr> 4346int 4347wbuffer_convert<_Codecvt, _Elem, _Tr>::sync() 4348{ 4349 if (__cv_ == 0 || __bufptr_ == 0) 4350 return 0; 4351 if (__cm_ & ios_base::out) 4352 { 4353 if (this->pptr() != this->pbase()) 4354 if (overflow() == traits_type::eof()) 4355 return -1; 4356 codecvt_base::result __r; 4357 do 4358 { 4359 char* __extbe; 4360 __r = __cv_->unshift(__st_, __extbuf_, __extbuf_ + __ebs_, __extbe); 4361 streamsize __nmemb = static_cast<streamsize>(__extbe - __extbuf_); 4362 if (__bufptr_->sputn(__extbuf_, __nmemb) != __nmemb) 4363 return -1; 4364 } while (__r == codecvt_base::partial); 4365 if (__r == codecvt_base::error) 4366 return -1; 4367 if (__bufptr_->pubsync()) 4368 return -1; 4369 } 4370 else if (__cm_ & ios_base::in) 4371 { 4372 off_type __c; 4373 if (__always_noconv_) 4374 __c = this->egptr() - this->gptr(); 4375 else 4376 { 4377 int __width = __cv_->encoding(); 4378 __c = __extbufend_ - __extbufnext_; 4379 if (__width > 0) 4380 __c += __width * (this->egptr() - this->gptr()); 4381 else 4382 { 4383 if (this->gptr() != this->egptr()) 4384 { 4385 reverse(this->gptr(), this->egptr()); 4386 codecvt_base::result __r; 4387 const char_type* __e = this->gptr(); 4388 char* __extbe; 4389 do 4390 { 4391 __r = __cv_->out(__st_, __e, this->egptr(), __e, 4392 __extbuf_, __extbuf_ + __ebs_, __extbe); 4393 switch (__r) 4394 { 4395 case codecvt_base::noconv: 4396 __c += this->egptr() - this->gptr(); 4397 break; 4398 case codecvt_base::ok: 4399 case codecvt_base::partial: 4400 __c += __extbe - __extbuf_; 4401 break; 4402 default: 4403 return -1; 4404 } 4405 } while (__r == codecvt_base::partial); 4406 } 4407 } 4408 } 4409 if (__bufptr_->pubseekoff(-__c, ios_base::cur, __cm_) == pos_type(off_type(-1))) 4410 return -1; 4411 this->setg(0, 0, 0); 4412 __cm_ = 0; 4413 } 4414 return 0; 4415} 4416 4417template <class _Codecvt, class _Elem, class _Tr> 4418bool 4419wbuffer_convert<_Codecvt, _Elem, _Tr>::__read_mode() 4420{ 4421 if (!(__cm_ & ios_base::in)) 4422 { 4423 this->setp(0, 0); 4424 if (__always_noconv_) 4425 this->setg((char_type*)__extbuf_, 4426 (char_type*)__extbuf_ + __ebs_, 4427 (char_type*)__extbuf_ + __ebs_); 4428 else 4429 this->setg(__intbuf_, __intbuf_ + __ibs_, __intbuf_ + __ibs_); 4430 __cm_ = ios_base::in; 4431 return true; 4432 } 4433 return false; 4434} 4435 4436template <class _Codecvt, class _Elem, class _Tr> 4437void 4438wbuffer_convert<_Codecvt, _Elem, _Tr>::__write_mode() 4439{ 4440 if (!(__cm_ & ios_base::out)) 4441 { 4442 this->setg(0, 0, 0); 4443 if (__ebs_ > sizeof(__extbuf_min_)) 4444 { 4445 if (__always_noconv_) 4446 this->setp((char_type*)__extbuf_, 4447 (char_type*)__extbuf_ + (__ebs_ - 1)); 4448 else 4449 this->setp(__intbuf_, __intbuf_ + (__ibs_ - 1)); 4450 } 4451 else 4452 this->setp(0, 0); 4453 __cm_ = ios_base::out; 4454 } 4455} 4456 4457template <class _Codecvt, class _Elem, class _Tr> 4458wbuffer_convert<_Codecvt, _Elem, _Tr>* 4459wbuffer_convert<_Codecvt, _Elem, _Tr>::__close() 4460{ 4461 wbuffer_convert* __rt = 0; 4462 if (__cv_ != 0 && __bufptr_ != 0) 4463 { 4464 __rt = this; 4465 if ((__cm_ & ios_base::out) && sync()) 4466 __rt = 0; 4467 } 4468 return __rt; 4469} 4470 4471_LIBCPP_END_NAMESPACE_STD 4472 4473#endif // _LIBCPP_LOCALE 4474