1// -*- C++ -*- 2//===---------------------------- ios -------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is distributed under the University of Illinois Open Source 7// License. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_IOS 12#define _LIBCPP_IOS 13 14/* 15 ios synopsis 16 17#include <iosfwd> 18 19namespace std 20{ 21 22typedef OFF_T streamoff; 23typedef SZ_T streamsize; 24template <class stateT> class fpos; 25 26class ios_base 27{ 28public: 29 class failure; 30 31 typedef T1 fmtflags; 32 static const fmtflags boolalpha; 33 static const fmtflags dec; 34 static const fmtflags fixed; 35 static const fmtflags hex; 36 static const fmtflags internal; 37 static const fmtflags left; 38 static const fmtflags oct; 39 static const fmtflags right; 40 static const fmtflags scientific; 41 static const fmtflags showbase; 42 static const fmtflags showpoint; 43 static const fmtflags showpos; 44 static const fmtflags skipws; 45 static const fmtflags unitbuf; 46 static const fmtflags uppercase; 47 static const fmtflags adjustfield; 48 static const fmtflags basefield; 49 static const fmtflags floatfield; 50 51 typedef T2 iostate; 52 static const iostate badbit; 53 static const iostate eofbit; 54 static const iostate failbit; 55 static const iostate goodbit; 56 57 typedef T3 openmode; 58 static const openmode app; 59 static const openmode ate; 60 static const openmode binary; 61 static const openmode in; 62 static const openmode out; 63 static const openmode trunc; 64 65 typedef T4 seekdir; 66 static const seekdir beg; 67 static const seekdir cur; 68 static const seekdir end; 69 70 class Init; 71 72 // 27.5.2.2 fmtflags state: 73 fmtflags flags() const; 74 fmtflags flags(fmtflags fmtfl); 75 fmtflags setf(fmtflags fmtfl); 76 fmtflags setf(fmtflags fmtfl, fmtflags mask); 77 void unsetf(fmtflags mask); 78 79 streamsize precision() const; 80 streamsize precision(streamsize prec); 81 streamsize width() const; 82 streamsize width(streamsize wide); 83 84 // 27.5.2.3 locales: 85 locale imbue(const locale& loc); 86 locale getloc() const; 87 88 // 27.5.2.5 storage: 89 static int xalloc(); 90 long& iword(int index); 91 void*& pword(int index); 92 93 // destructor 94 virtual ~ios_base(); 95 96 // 27.5.2.6 callbacks; 97 enum event { erase_event, imbue_event, copyfmt_event }; 98 typedef void (*event_callback)(event, ios_base&, int index); 99 void register_callback(event_callback fn, int index); 100 101 ios_base(const ios_base&) = delete; 102 ios_base& operator=(const ios_base&) = delete; 103 104 static bool sync_with_stdio(bool sync = true); 105 106protected: 107 ios_base(); 108}; 109 110template <class charT, class traits = char_traits<charT> > 111class basic_ios 112 : public ios_base 113{ 114public: 115 // types: 116 typedef charT char_type; 117 typedef typename traits::int_type int_type; 118 typedef typename traits::pos_type pos_type; 119 typedef typename traits::off_type off_type; 120 typedef traits traits_type; 121 122 operator unspecified-bool-type() const; 123 bool operator!() const; 124 iostate rdstate() const; 125 void clear(iostate state = goodbit); 126 void setstate(iostate state); 127 bool good() const; 128 bool eof() const; 129 bool fail() const; 130 bool bad() const; 131 132 iostate exceptions() const; 133 void exceptions(iostate except); 134 135 // 27.5.4.1 Constructor/destructor: 136 explicit basic_ios(basic_streambuf<charT,traits>* sb); 137 virtual ~basic_ios(); 138 139 // 27.5.4.2 Members: 140 basic_ostream<charT,traits>* tie() const; 141 basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr); 142 143 basic_streambuf<charT,traits>* rdbuf() const; 144 basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb); 145 146 basic_ios& copyfmt(const basic_ios& rhs); 147 148 char_type fill() const; 149 char_type fill(char_type ch); 150 151 locale imbue(const locale& loc); 152 153 char narrow(char_type c, char dfault) const; 154 char_type widen(char c) const; 155 156 basic_ios(const basic_ios& ) = delete; 157 basic_ios& operator=(const basic_ios&) = delete; 158 159protected: 160 basic_ios(); 161 void init(basic_streambuf<charT,traits>* sb); 162 void move(basic_ios& rhs); 163 void swap(basic_ios& rhs); 164 void set_rdbuf(basic_streambuf<charT, traits>* sb); 165}; 166 167// 27.5.5, manipulators: 168ios_base& boolalpha (ios_base& str); 169ios_base& noboolalpha(ios_base& str); 170ios_base& showbase (ios_base& str); 171ios_base& noshowbase (ios_base& str); 172ios_base& showpoint (ios_base& str); 173ios_base& noshowpoint(ios_base& str); 174ios_base& showpos (ios_base& str); 175ios_base& noshowpos (ios_base& str); 176ios_base& skipws (ios_base& str); 177ios_base& noskipws (ios_base& str); 178ios_base& uppercase (ios_base& str); 179ios_base& nouppercase(ios_base& str); 180ios_base& unitbuf (ios_base& str); 181ios_base& nounitbuf (ios_base& str); 182 183// 27.5.5.2 adjustfield: 184ios_base& internal (ios_base& str); 185ios_base& left (ios_base& str); 186ios_base& right (ios_base& str); 187 188// 27.5.5.3 basefield: 189ios_base& dec (ios_base& str); 190ios_base& hex (ios_base& str); 191ios_base& oct (ios_base& str); 192 193// 27.5.5.4 floatfield: 194ios_base& fixed (ios_base& str); 195ios_base& scientific (ios_base& str); 196ios_base& hexfloat (ios_base& str); 197ios_base& defaultfloat(ios_base& str); 198 199// 27.5.5.5 error reporting: 200enum class io_errc 201{ 202 stream = 1 203}; 204 205concept_map ErrorCodeEnum<io_errc> { }; 206error_code make_error_code(io_errc e); 207error_condition make_error_condition(io_errc e); 208storage-class-specifier const error_category& iostream_category; 209 210} // std 211 212*/ 213 214#include <__config> 215#include <iosfwd> 216#include <__locale> 217#include <system_error> 218 219#pragma GCC system_header 220 221_LIBCPP_BEGIN_NAMESPACE_STD 222 223typedef ptrdiff_t streamsize; 224 225class ios_base 226{ 227public: 228 class failure; 229 230 typedef unsigned int fmtflags; 231 static const fmtflags boolalpha = 0x0001; 232 static const fmtflags dec = 0x0002; 233 static const fmtflags fixed = 0x0004; 234 static const fmtflags hex = 0x0008; 235 static const fmtflags internal = 0x0010; 236 static const fmtflags left = 0x0020; 237 static const fmtflags oct = 0x0040; 238 static const fmtflags right = 0x0080; 239 static const fmtflags scientific = 0x0100; 240 static const fmtflags showbase = 0x0200; 241 static const fmtflags showpoint = 0x0400; 242 static const fmtflags showpos = 0x0800; 243 static const fmtflags skipws = 0x1000; 244 static const fmtflags unitbuf = 0x2000; 245 static const fmtflags uppercase = 0x4000; 246 static const fmtflags adjustfield = left | right | internal; 247 static const fmtflags basefield = dec | oct | hex; 248 static const fmtflags floatfield = scientific | fixed; 249 250 typedef unsigned int iostate; 251 typedef iostate io_state; 252 static const iostate badbit = 0x1; 253 static const iostate eofbit = 0x2; 254 static const iostate failbit = 0x4; 255 static const iostate goodbit = 0x0; 256 257 typedef unsigned int openmode; 258 typedef openmode open_mode; 259 static const openmode app = 0x01; 260 static const openmode ate = 0x02; 261 static const openmode binary = 0x04; 262 static const openmode in = 0x08; 263 static const openmode out = 0x10; 264 static const openmode trunc = 0x20; 265 266 enum seekdir {beg, cur, end}; 267 typedef seekdir seek_dir; 268 269 typedef _STD::streamoff streamoff; 270 typedef _STD::streampos streampos; 271 272 class Init; 273 274 // 27.5.2.2 fmtflags state: 275 fmtflags flags() const; 276 fmtflags flags(fmtflags __fmtfl); 277 fmtflags setf(fmtflags __fmtfl); 278 fmtflags setf(fmtflags __fmtfl, fmtflags __mask); 279 void unsetf(fmtflags __mask); 280 281 streamsize precision() const; 282 streamsize precision(streamsize __prec); 283 streamsize width() const; 284 streamsize width(streamsize __wide); 285 286 // 27.5.2.3 locales: 287 locale imbue(const locale& __loc); 288 locale getloc() const; 289 290 // 27.5.2.5 storage: 291 static int xalloc(); 292 long& iword(int __index); 293 void*& pword(int __index); 294 295 // destructor 296 virtual ~ios_base(); 297 298 // 27.5.2.6 callbacks; 299 enum event { erase_event, imbue_event, copyfmt_event }; 300 typedef void (*event_callback)(event, ios_base&, int __index); 301 void register_callback(event_callback __fn, int __index); 302 303private: 304 ios_base(const ios_base&); // = delete; 305 ios_base& operator=(const ios_base&); // = delete; 306 307public: 308 static bool sync_with_stdio(bool __sync = true); 309 310 iostate rdstate() const; 311 void clear(iostate __state = goodbit); 312 void setstate(iostate __state); 313 314 bool good() const; 315 bool eof() const; 316 bool fail() const; 317 bool bad() const; 318 319 iostate exceptions() const; 320 void exceptions(iostate __except); 321 322 void __set_badbit_and_consider_rethrow(); 323 void __set_failbit_and_consider_rethrow(); 324 325protected: 326 ios_base() {// purposefully does no initialization 327 } 328 329 void init(void* __sb); 330 _LIBCPP_ALWAYS_INLINE void* rdbuf() const {return __rdbuf_;} 331 332 _LIBCPP_ALWAYS_INLINE 333 void rdbuf(void* __sb) 334 { 335 __rdbuf_ = __sb; 336 clear(); 337 } 338 339 void __call_callbacks(event); 340 void copyfmt(const ios_base&); 341 void move(ios_base&); 342 void swap(ios_base&); 343 344 _LIBCPP_ALWAYS_INLINE 345 void set_rdbuf(void* __sb) 346 { 347 __rdbuf_ = __sb; 348 } 349 350private: 351 // All data members must be scalars 352 fmtflags __fmtflags_; 353 streamsize __precision_; 354 streamsize __width_; 355 iostate __rdstate_; 356 iostate __exceptions_; 357 void* __rdbuf_; 358 void* __loc_; 359 event_callback* __fn_; 360 int* __index_; 361 size_t __event_size_; 362 size_t __event_cap_; 363 static int __xindex_; 364 long* __iarray_; 365 size_t __iarray_size_; 366 size_t __iarray_cap_; 367 void** __parray_; 368 size_t __parray_size_; 369 size_t __parray_cap_; 370}; 371 372//enum class io_errc 373struct io_errc 374{ 375enum _ { 376 stream = 1 377}; 378 _ __v_; 379 380 _LIBCPP_ALWAYS_INLINE io_errc(_ __v) : __v_(__v) {} 381 _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} 382}; 383 384template <> struct is_error_code_enum<io_errc> : public true_type { }; 385template <> struct is_error_code_enum<io_errc::_> : public true_type { }; 386 387const error_category& iostream_category(); 388 389inline _LIBCPP_INLINE_VISIBILITY 390error_code 391make_error_code(io_errc __e) 392{ 393 return error_code(static_cast<int>(__e), iostream_category()); 394} 395 396inline _LIBCPP_INLINE_VISIBILITY 397error_condition 398make_error_condition(io_errc __e) 399{ 400 return error_condition(static_cast<int>(__e), iostream_category()); 401} 402 403class ios_base::failure 404 : public system_error 405{ 406public: 407 explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); 408 explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); 409 virtual ~failure() throw(); 410}; 411 412class ios_base::Init 413{ 414public: 415 Init(); 416 ~Init(); 417}; 418 419// fmtflags 420 421inline _LIBCPP_INLINE_VISIBILITY 422ios_base::fmtflags 423ios_base::flags() const 424{ 425 return __fmtflags_; 426} 427 428inline _LIBCPP_INLINE_VISIBILITY 429ios_base::fmtflags 430ios_base::flags(fmtflags __fmtfl) 431{ 432 fmtflags __r = __fmtflags_; 433 __fmtflags_ = __fmtfl; 434 return __r; 435} 436 437inline _LIBCPP_INLINE_VISIBILITY 438ios_base::fmtflags 439ios_base::setf(fmtflags __fmtfl) 440{ 441 fmtflags __r = __fmtflags_; 442 __fmtflags_ |= __fmtfl; 443 return __r; 444} 445 446inline _LIBCPP_INLINE_VISIBILITY 447void 448ios_base::unsetf(fmtflags __mask) 449{ 450 __fmtflags_ &= ~__mask; 451} 452 453inline _LIBCPP_INLINE_VISIBILITY 454ios_base::fmtflags 455ios_base::setf(fmtflags __fmtfl, fmtflags __mask) 456{ 457 fmtflags __r = __fmtflags_; 458 unsetf(__mask); 459 __fmtflags_ |= __fmtfl & __mask; 460 return __r; 461} 462 463// precision 464 465inline _LIBCPP_INLINE_VISIBILITY 466streamsize 467ios_base::precision() const 468{ 469 return __precision_; 470} 471 472inline _LIBCPP_INLINE_VISIBILITY 473streamsize 474ios_base::precision(streamsize __prec) 475{ 476 streamsize __r = __precision_; 477 __precision_ = __prec; 478 return __r; 479} 480 481// width 482 483inline _LIBCPP_INLINE_VISIBILITY 484streamsize 485ios_base::width() const 486{ 487 return __width_; 488} 489 490inline _LIBCPP_INLINE_VISIBILITY 491streamsize 492ios_base::width(streamsize __wide) 493{ 494 streamsize __r = __width_; 495 __width_ = __wide; 496 return __r; 497} 498 499// iostate 500 501inline _LIBCPP_INLINE_VISIBILITY 502ios_base::iostate 503ios_base::rdstate() const 504{ 505 return __rdstate_; 506} 507 508inline _LIBCPP_INLINE_VISIBILITY 509void 510ios_base::setstate(iostate __state) 511{ 512 clear(__rdstate_ | __state); 513} 514 515inline _LIBCPP_INLINE_VISIBILITY 516bool 517ios_base::good() const 518{ 519 return __rdstate_ == 0; 520} 521 522inline _LIBCPP_INLINE_VISIBILITY 523bool 524ios_base::eof() const 525{ 526 return __rdstate_ & eofbit; 527} 528 529inline _LIBCPP_INLINE_VISIBILITY 530bool 531ios_base::fail() const 532{ 533 return __rdstate_ & (failbit | badbit); 534} 535 536inline _LIBCPP_INLINE_VISIBILITY 537bool 538ios_base::bad() const 539{ 540 return __rdstate_ & badbit; 541} 542 543inline _LIBCPP_INLINE_VISIBILITY 544ios_base::iostate 545ios_base::exceptions() const 546{ 547 return __exceptions_; 548} 549 550inline _LIBCPP_INLINE_VISIBILITY 551void 552ios_base::exceptions(iostate __except) 553{ 554 __exceptions_ = __except; 555 clear(__rdstate_); 556} 557 558template <class _CharT, class _Traits> 559class basic_ios 560 : public ios_base 561{ 562public: 563 // types: 564 typedef _CharT char_type; 565 typedef _Traits traits_type; 566 567 typedef typename traits_type::int_type int_type; 568 typedef typename traits_type::pos_type pos_type; 569 typedef typename traits_type::off_type off_type; 570 571 _LIBCPP_ALWAYS_INLINE // explicit 572 operator bool() const {return !fail();} 573 _LIBCPP_ALWAYS_INLINE bool operator!() const {return fail();} 574 _LIBCPP_ALWAYS_INLINE iostate rdstate() const {return ios_base::rdstate();} 575 _LIBCPP_ALWAYS_INLINE void clear(iostate __state = goodbit) {ios_base::clear(__state);} 576 _LIBCPP_ALWAYS_INLINE void setstate(iostate __state) {ios_base::setstate(__state);} 577 _LIBCPP_ALWAYS_INLINE bool good() const {return ios_base::good();} 578 _LIBCPP_ALWAYS_INLINE bool eof() const {return ios_base::eof();} 579 _LIBCPP_ALWAYS_INLINE bool fail() const {return ios_base::fail();} 580 _LIBCPP_ALWAYS_INLINE bool bad() const {return ios_base::bad();} 581 582 _LIBCPP_ALWAYS_INLINE iostate exceptions() const {return ios_base::exceptions();} 583 _LIBCPP_ALWAYS_INLINE void exceptions(iostate __except) {ios_base::exceptions(__except);} 584 585 // 27.5.4.1 Constructor/destructor: 586 explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb); 587 virtual ~basic_ios(); 588 589 // 27.5.4.2 Members: 590 basic_ostream<char_type, traits_type>* tie() const; 591 basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr); 592 593 basic_streambuf<char_type, traits_type>* rdbuf() const; 594 basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb); 595 596 basic_ios& copyfmt(const basic_ios& __rhs); 597 598 char_type fill() const; 599 char_type fill(char_type __ch); 600 601 locale imbue(const locale& __loc); 602 603 char narrow(char_type __c, char __dfault) const; 604 char_type widen(char __c) const; 605 606protected: 607 basic_ios() {// purposefully does no initialization 608 } 609 void init(basic_streambuf<char_type, traits_type>* __sb); 610 611 void move(basic_ios& __rhs); 612#ifdef _LIBCPP_MOVE 613 void move(basic_ios&& __rhs) {move(__rhs);} 614#endif 615 void swap(basic_ios& __rhs); 616 void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb); 617private: 618 basic_ostream<char_type, traits_type>* __tie_; 619 char_type __fill_; 620}; 621 622template <class _CharT, class _Traits> 623inline _LIBCPP_INLINE_VISIBILITY 624basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb) 625{ 626 init(__sb); 627} 628 629template <class _CharT, class _Traits> 630basic_ios<_CharT, _Traits>::~basic_ios() 631{ 632} 633 634template <class _CharT, class _Traits> 635inline _LIBCPP_INLINE_VISIBILITY 636void 637basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb) 638{ 639 ios_base::init(__sb); 640 __tie_ = 0; 641 __fill_ = widen(' '); 642} 643 644template <class _CharT, class _Traits> 645inline _LIBCPP_INLINE_VISIBILITY 646basic_ostream<_CharT, _Traits>* 647basic_ios<_CharT, _Traits>::tie() const 648{ 649 return __tie_; 650} 651 652template <class _CharT, class _Traits> 653inline _LIBCPP_INLINE_VISIBILITY 654basic_ostream<_CharT, _Traits>* 655basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr) 656{ 657 basic_ostream<char_type, traits_type>* __r = __tie_; 658 __tie_ = __tiestr; 659 return __r; 660} 661 662template <class _CharT, class _Traits> 663inline _LIBCPP_INLINE_VISIBILITY 664basic_streambuf<_CharT, _Traits>* 665basic_ios<_CharT, _Traits>::rdbuf() const 666{ 667 return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf()); 668} 669 670template <class _CharT, class _Traits> 671inline _LIBCPP_INLINE_VISIBILITY 672basic_streambuf<_CharT, _Traits>* 673basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb) 674{ 675 basic_streambuf<char_type, traits_type>* __r = rdbuf(); 676 ios_base::rdbuf(__sb); 677 return __r; 678} 679 680template <class _CharT, class _Traits> 681inline _LIBCPP_INLINE_VISIBILITY 682locale 683basic_ios<_CharT, _Traits>::imbue(const locale& __loc) 684{ 685 locale __r = getloc(); 686 ios_base::imbue(__loc); 687 if (rdbuf()) 688 rdbuf()->pubimbue(__loc); 689 return __r; 690} 691 692template <class _CharT, class _Traits> 693inline _LIBCPP_INLINE_VISIBILITY 694char 695basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const 696{ 697 return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault); 698} 699 700template <class _CharT, class _Traits> 701inline _LIBCPP_INLINE_VISIBILITY 702_CharT 703basic_ios<_CharT, _Traits>::widen(char __c) const 704{ 705 return use_facet<ctype<char_type> >(getloc()).widen(__c); 706} 707 708template <class _CharT, class _Traits> 709inline _LIBCPP_INLINE_VISIBILITY 710_CharT 711basic_ios<_CharT, _Traits>::fill() const 712{ 713 return __fill_; 714} 715 716template <class _CharT, class _Traits> 717inline _LIBCPP_INLINE_VISIBILITY 718_CharT 719basic_ios<_CharT, _Traits>::fill(char_type __ch) 720{ 721 char_type __r = __fill_; 722 __fill_ = __ch; 723 return __r; 724} 725 726template <class _CharT, class _Traits> 727basic_ios<_CharT, _Traits>& 728basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) 729{ 730 if (this != &__rhs) 731 { 732 __call_callbacks(erase_event); 733 ios_base::copyfmt(__rhs); 734 __tie_ = __rhs.__tie_; 735 __fill_ = __rhs.__fill_; 736 __call_callbacks(copyfmt_event); 737 exceptions(__rhs.exceptions()); 738 } 739 return *this; 740} 741 742template <class _CharT, class _Traits> 743inline _LIBCPP_INLINE_VISIBILITY 744void 745basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) 746{ 747 ios_base::move(__rhs); 748 __tie_ = __rhs.__tie_; 749 __rhs.__tie_ = 0; 750 __fill_ = __rhs.__fill_; 751} 752 753template <class _CharT, class _Traits> 754inline _LIBCPP_INLINE_VISIBILITY 755void 756basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) 757{ 758 ios_base::swap(__rhs); 759 _STD::swap(__tie_, __rhs.__tie_); 760 _STD::swap(__fill_, __rhs.__fill_); 761} 762 763template <class _CharT, class _Traits> 764inline _LIBCPP_INLINE_VISIBILITY 765void 766basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb) 767{ 768 ios_base::set_rdbuf(__sb); 769} 770 771inline _LIBCPP_INLINE_VISIBILITY 772ios_base& 773boolalpha(ios_base& __str) 774{ 775 __str.setf(ios_base::boolalpha); 776 return __str; 777} 778 779inline _LIBCPP_INLINE_VISIBILITY 780ios_base& 781noboolalpha(ios_base& __str) 782{ 783 __str.unsetf(ios_base::boolalpha); 784 return __str; 785} 786 787inline _LIBCPP_INLINE_VISIBILITY 788ios_base& 789showbase(ios_base& __str) 790{ 791 __str.setf(ios_base::showbase); 792 return __str; 793} 794 795inline _LIBCPP_INLINE_VISIBILITY 796ios_base& 797noshowbase(ios_base& __str) 798{ 799 __str.unsetf(ios_base::showbase); 800 return __str; 801} 802 803inline _LIBCPP_INLINE_VISIBILITY 804ios_base& 805showpoint(ios_base& __str) 806{ 807 __str.setf(ios_base::showpoint); 808 return __str; 809} 810 811inline _LIBCPP_INLINE_VISIBILITY 812ios_base& 813noshowpoint(ios_base& __str) 814{ 815 __str.unsetf(ios_base::showpoint); 816 return __str; 817} 818 819inline _LIBCPP_INLINE_VISIBILITY 820ios_base& 821showpos(ios_base& __str) 822{ 823 __str.setf(ios_base::showpos); 824 return __str; 825} 826 827inline _LIBCPP_INLINE_VISIBILITY 828ios_base& 829noshowpos(ios_base& __str) 830{ 831 __str.unsetf(ios_base::showpos); 832 return __str; 833} 834 835inline _LIBCPP_INLINE_VISIBILITY 836ios_base& 837skipws(ios_base& __str) 838{ 839 __str.setf(ios_base::skipws); 840 return __str; 841} 842 843inline _LIBCPP_INLINE_VISIBILITY 844ios_base& 845noskipws(ios_base& __str) 846{ 847 __str.unsetf(ios_base::skipws); 848 return __str; 849} 850 851inline _LIBCPP_INLINE_VISIBILITY 852ios_base& 853uppercase(ios_base& __str) 854{ 855 __str.setf(ios_base::uppercase); 856 return __str; 857} 858 859inline _LIBCPP_INLINE_VISIBILITY 860ios_base& 861nouppercase(ios_base& __str) 862{ 863 __str.unsetf(ios_base::uppercase); 864 return __str; 865} 866 867inline _LIBCPP_INLINE_VISIBILITY 868ios_base& 869unitbuf(ios_base& __str) 870{ 871 __str.setf(ios_base::unitbuf); 872 return __str; 873} 874 875inline _LIBCPP_INLINE_VISIBILITY 876ios_base& 877nounitbuf(ios_base& __str) 878{ 879 __str.unsetf(ios_base::unitbuf); 880 return __str; 881} 882 883inline _LIBCPP_INLINE_VISIBILITY 884ios_base& 885internal(ios_base& __str) 886{ 887 __str.setf(ios_base::internal, ios_base::adjustfield); 888 return __str; 889} 890 891inline _LIBCPP_INLINE_VISIBILITY 892ios_base& 893left(ios_base& __str) 894{ 895 __str.setf(ios_base::left, ios_base::adjustfield); 896 return __str; 897} 898 899inline _LIBCPP_INLINE_VISIBILITY 900ios_base& 901right(ios_base& __str) 902{ 903 __str.setf(ios_base::right, ios_base::adjustfield); 904 return __str; 905} 906 907inline _LIBCPP_INLINE_VISIBILITY 908ios_base& 909dec(ios_base& __str) 910{ 911 __str.setf(ios_base::dec, ios_base::basefield); 912 return __str; 913} 914 915inline _LIBCPP_INLINE_VISIBILITY 916ios_base& 917hex(ios_base& __str) 918{ 919 __str.setf(ios_base::hex, ios_base::basefield); 920 return __str; 921} 922 923inline _LIBCPP_INLINE_VISIBILITY 924ios_base& 925oct(ios_base& __str) 926{ 927 __str.setf(ios_base::oct, ios_base::basefield); 928 return __str; 929} 930 931inline _LIBCPP_INLINE_VISIBILITY 932ios_base& 933fixed(ios_base& __str) 934{ 935 __str.setf(ios_base::fixed, ios_base::floatfield); 936 return __str; 937} 938 939inline _LIBCPP_INLINE_VISIBILITY 940ios_base& 941scientific(ios_base& __str) 942{ 943 __str.setf(ios_base::scientific, ios_base::floatfield); 944 return __str; 945} 946 947inline _LIBCPP_INLINE_VISIBILITY 948ios_base& 949hexfloat(ios_base& __str) 950{ 951 __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); 952 return __str; 953} 954 955inline _LIBCPP_INLINE_VISIBILITY 956ios_base& 957defaultfloat(ios_base& __str) 958{ 959 __str.unsetf(ios_base::floatfield); 960 return __str; 961} 962 963_LIBCPP_END_NAMESPACE_STD 964 965#endif // _LIBCPP_IOS 966