ios revision 249989
1// -*- C++ -*- 2//===---------------------------- ios -------------------------------------===// 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_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 constexpr fmtflags boolalpha; 33 static constexpr fmtflags dec; 34 static constexpr fmtflags fixed; 35 static constexpr fmtflags hex; 36 static constexpr fmtflags internal; 37 static constexpr fmtflags left; 38 static constexpr fmtflags oct; 39 static constexpr fmtflags right; 40 static constexpr fmtflags scientific; 41 static constexpr fmtflags showbase; 42 static constexpr fmtflags showpoint; 43 static constexpr fmtflags showpos; 44 static constexpr fmtflags skipws; 45 static constexpr fmtflags unitbuf; 46 static constexpr fmtflags uppercase; 47 static constexpr fmtflags adjustfield; 48 static constexpr fmtflags basefield; 49 static constexpr fmtflags floatfield; 50 51 typedef T2 iostate; 52 static constexpr iostate badbit; 53 static constexpr iostate eofbit; 54 static constexpr iostate failbit; 55 static constexpr iostate goodbit; 56 57 typedef T3 openmode; 58 static constexpr openmode app; 59 static constexpr openmode ate; 60 static constexpr openmode binary; 61 static constexpr openmode in; 62 static constexpr openmode out; 63 static constexpr openmode trunc; 64 65 typedef T4 seekdir; 66 static constexpr seekdir beg; 67 static constexpr seekdir cur; 68 static constexpr 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) noexcept; 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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 220#pragma GCC system_header 221#endif 222 223_LIBCPP_BEGIN_NAMESPACE_STD 224 225typedef ptrdiff_t streamsize; 226 227class _LIBCPP_TYPE_VIS ios_base 228{ 229public: 230 class _LIBCPP_TYPE_VIS failure; 231 232 typedef unsigned int fmtflags; 233 static const fmtflags boolalpha = 0x0001; 234 static const fmtflags dec = 0x0002; 235 static const fmtflags fixed = 0x0004; 236 static const fmtflags hex = 0x0008; 237 static const fmtflags internal = 0x0010; 238 static const fmtflags left = 0x0020; 239 static const fmtflags oct = 0x0040; 240 static const fmtflags right = 0x0080; 241 static const fmtflags scientific = 0x0100; 242 static const fmtflags showbase = 0x0200; 243 static const fmtflags showpoint = 0x0400; 244 static const fmtflags showpos = 0x0800; 245 static const fmtflags skipws = 0x1000; 246 static const fmtflags unitbuf = 0x2000; 247 static const fmtflags uppercase = 0x4000; 248 static const fmtflags adjustfield = left | right | internal; 249 static const fmtflags basefield = dec | oct | hex; 250 static const fmtflags floatfield = scientific | fixed; 251 252 typedef unsigned int iostate; 253 typedef iostate io_state; 254 static const iostate badbit = 0x1; 255 static const iostate eofbit = 0x2; 256 static const iostate failbit = 0x4; 257 static const iostate goodbit = 0x0; 258 259 typedef unsigned int openmode; 260 typedef openmode open_mode; 261 static const openmode app = 0x01; 262 static const openmode ate = 0x02; 263 static const openmode binary = 0x04; 264 static const openmode in = 0x08; 265 static const openmode out = 0x10; 266 static const openmode trunc = 0x20; 267 268 enum seekdir {beg, cur, end}; 269 typedef seekdir seek_dir; 270 271 typedef _VSTD::streamoff streamoff; 272 typedef _VSTD::streampos streampos; 273 274 class _LIBCPP_TYPE_VIS Init; 275 276 // 27.5.2.2 fmtflags state: 277 _LIBCPP_INLINE_VISIBILITY fmtflags flags() const; 278 _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl); 279 _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl); 280 _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask); 281 _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask); 282 283 _LIBCPP_INLINE_VISIBILITY streamsize precision() const; 284 _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec); 285 _LIBCPP_INLINE_VISIBILITY streamsize width() const; 286 _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide); 287 288 // 27.5.2.3 locales: 289 locale imbue(const locale& __loc); 290 locale getloc() const; 291 292 // 27.5.2.5 storage: 293 static int xalloc(); 294 long& iword(int __index); 295 void*& pword(int __index); 296 297 // destructor 298 virtual ~ios_base(); 299 300 // 27.5.2.6 callbacks; 301 enum event { erase_event, imbue_event, copyfmt_event }; 302 typedef void (*event_callback)(event, ios_base&, int __index); 303 void register_callback(event_callback __fn, int __index); 304 305private: 306 ios_base(const ios_base&); // = delete; 307 ios_base& operator=(const ios_base&); // = delete; 308 309public: 310 static bool sync_with_stdio(bool __sync = true); 311 312 _LIBCPP_INLINE_VISIBILITY iostate rdstate() const; 313 void clear(iostate __state = goodbit); 314 _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state); 315 316 _LIBCPP_INLINE_VISIBILITY bool good() const; 317 _LIBCPP_INLINE_VISIBILITY bool eof() const; 318 _LIBCPP_INLINE_VISIBILITY bool fail() const; 319 _LIBCPP_INLINE_VISIBILITY bool bad() const; 320 321 _LIBCPP_INLINE_VISIBILITY iostate exceptions() const; 322 _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __except); 323 324 void __set_badbit_and_consider_rethrow(); 325 void __set_failbit_and_consider_rethrow(); 326 327protected: 328 _LIBCPP_INLINE_VISIBILITY 329 ios_base() {// purposefully does no initialization 330 } 331 332 void init(void* __sb); 333 _LIBCPP_ALWAYS_INLINE void* rdbuf() const {return __rdbuf_;} 334 335 _LIBCPP_ALWAYS_INLINE 336 void rdbuf(void* __sb) 337 { 338 __rdbuf_ = __sb; 339 clear(); 340 } 341 342 void __call_callbacks(event); 343 void copyfmt(const ios_base&); 344 void move(ios_base&); 345 void swap(ios_base&) _NOEXCEPT; 346 347 _LIBCPP_ALWAYS_INLINE 348 void set_rdbuf(void* __sb) 349 { 350 __rdbuf_ = __sb; 351 } 352 353private: 354 // All data members must be scalars 355 fmtflags __fmtflags_; 356 streamsize __precision_; 357 streamsize __width_; 358 iostate __rdstate_; 359 iostate __exceptions_; 360 void* __rdbuf_; 361 void* __loc_; 362 event_callback* __fn_; 363 int* __index_; 364 size_t __event_size_; 365 size_t __event_cap_; 366 static int __xindex_; 367 long* __iarray_; 368 size_t __iarray_size_; 369 size_t __iarray_cap_; 370 void** __parray_; 371 size_t __parray_size_; 372 size_t __parray_cap_; 373}; 374 375//enum class io_errc 376_LIBCPP_DECLARE_STRONG_ENUM(io_errc) 377{ 378 stream = 1 379}; 380_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc) 381 382template <> 383struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc> : public true_type { }; 384 385#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS 386template <> 387struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc::__lx> : public true_type { }; 388#endif 389 390_LIBCPP_FUNC_VIS 391const error_category& iostream_category(); 392 393inline _LIBCPP_INLINE_VISIBILITY 394error_code 395make_error_code(io_errc __e) 396{ 397 return error_code(static_cast<int>(__e), iostream_category()); 398} 399 400inline _LIBCPP_INLINE_VISIBILITY 401error_condition 402make_error_condition(io_errc __e) 403{ 404 return error_condition(static_cast<int>(__e), iostream_category()); 405} 406 407class _LIBCPP_EXCEPTION_ABI ios_base::failure 408 : public system_error 409{ 410public: 411 explicit failure(const string& __msg, const error_code& __ec = io_errc::stream); 412 explicit failure(const char* __msg, const error_code& __ec = io_errc::stream); 413 virtual ~failure() throw(); 414}; 415 416class _LIBCPP_TYPE_VIS ios_base::Init 417{ 418public: 419 Init(); 420 ~Init(); 421}; 422 423// fmtflags 424 425inline _LIBCPP_INLINE_VISIBILITY 426ios_base::fmtflags 427ios_base::flags() const 428{ 429 return __fmtflags_; 430} 431 432inline _LIBCPP_INLINE_VISIBILITY 433ios_base::fmtflags 434ios_base::flags(fmtflags __fmtfl) 435{ 436 fmtflags __r = __fmtflags_; 437 __fmtflags_ = __fmtfl; 438 return __r; 439} 440 441inline _LIBCPP_INLINE_VISIBILITY 442ios_base::fmtflags 443ios_base::setf(fmtflags __fmtfl) 444{ 445 fmtflags __r = __fmtflags_; 446 __fmtflags_ |= __fmtfl; 447 return __r; 448} 449 450inline _LIBCPP_INLINE_VISIBILITY 451void 452ios_base::unsetf(fmtflags __mask) 453{ 454 __fmtflags_ &= ~__mask; 455} 456 457inline _LIBCPP_INLINE_VISIBILITY 458ios_base::fmtflags 459ios_base::setf(fmtflags __fmtfl, fmtflags __mask) 460{ 461 fmtflags __r = __fmtflags_; 462 unsetf(__mask); 463 __fmtflags_ |= __fmtfl & __mask; 464 return __r; 465} 466 467// precision 468 469inline _LIBCPP_INLINE_VISIBILITY 470streamsize 471ios_base::precision() const 472{ 473 return __precision_; 474} 475 476inline _LIBCPP_INLINE_VISIBILITY 477streamsize 478ios_base::precision(streamsize __prec) 479{ 480 streamsize __r = __precision_; 481 __precision_ = __prec; 482 return __r; 483} 484 485// width 486 487inline _LIBCPP_INLINE_VISIBILITY 488streamsize 489ios_base::width() const 490{ 491 return __width_; 492} 493 494inline _LIBCPP_INLINE_VISIBILITY 495streamsize 496ios_base::width(streamsize __wide) 497{ 498 streamsize __r = __width_; 499 __width_ = __wide; 500 return __r; 501} 502 503// iostate 504 505inline _LIBCPP_INLINE_VISIBILITY 506ios_base::iostate 507ios_base::rdstate() const 508{ 509 return __rdstate_; 510} 511 512inline _LIBCPP_INLINE_VISIBILITY 513void 514ios_base::setstate(iostate __state) 515{ 516 clear(__rdstate_ | __state); 517} 518 519inline _LIBCPP_INLINE_VISIBILITY 520bool 521ios_base::good() const 522{ 523 return __rdstate_ == 0; 524} 525 526inline _LIBCPP_INLINE_VISIBILITY 527bool 528ios_base::eof() const 529{ 530 return __rdstate_ & eofbit; 531} 532 533inline _LIBCPP_INLINE_VISIBILITY 534bool 535ios_base::fail() const 536{ 537 return __rdstate_ & (failbit | badbit); 538} 539 540inline _LIBCPP_INLINE_VISIBILITY 541bool 542ios_base::bad() const 543{ 544 return __rdstate_ & badbit; 545} 546 547inline _LIBCPP_INLINE_VISIBILITY 548ios_base::iostate 549ios_base::exceptions() const 550{ 551 return __exceptions_; 552} 553 554inline _LIBCPP_INLINE_VISIBILITY 555void 556ios_base::exceptions(iostate __except) 557{ 558 __exceptions_ = __except; 559 clear(__rdstate_); 560} 561 562template <class _CharT, class _Traits> 563class _LIBCPP_TYPE_VIS basic_ios 564 : public ios_base 565{ 566public: 567 // types: 568 typedef _CharT char_type; 569 typedef _Traits traits_type; 570 571 typedef typename traits_type::int_type int_type; 572 typedef typename traits_type::pos_type pos_type; 573 typedef typename traits_type::off_type off_type; 574 575 _LIBCPP_ALWAYS_INLINE 576 _LIBCPP_EXPLICIT 577 operator bool() const {return !fail();} 578 _LIBCPP_ALWAYS_INLINE bool operator!() const {return fail();} 579 _LIBCPP_ALWAYS_INLINE iostate rdstate() const {return ios_base::rdstate();} 580 _LIBCPP_ALWAYS_INLINE void clear(iostate __state = goodbit) {ios_base::clear(__state);} 581 _LIBCPP_ALWAYS_INLINE void setstate(iostate __state) {ios_base::setstate(__state);} 582 _LIBCPP_ALWAYS_INLINE bool good() const {return ios_base::good();} 583 _LIBCPP_ALWAYS_INLINE bool eof() const {return ios_base::eof();} 584 _LIBCPP_ALWAYS_INLINE bool fail() const {return ios_base::fail();} 585 _LIBCPP_ALWAYS_INLINE bool bad() const {return ios_base::bad();} 586 587 _LIBCPP_ALWAYS_INLINE iostate exceptions() const {return ios_base::exceptions();} 588 _LIBCPP_ALWAYS_INLINE void exceptions(iostate __except) {ios_base::exceptions(__except);} 589 590 // 27.5.4.1 Constructor/destructor: 591 _LIBCPP_INLINE_VISIBILITY 592 explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb); 593 virtual ~basic_ios(); 594 595 // 27.5.4.2 Members: 596 _LIBCPP_INLINE_VISIBILITY 597 basic_ostream<char_type, traits_type>* tie() const; 598 _LIBCPP_INLINE_VISIBILITY 599 basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr); 600 601 _LIBCPP_INLINE_VISIBILITY 602 basic_streambuf<char_type, traits_type>* rdbuf() const; 603 _LIBCPP_INLINE_VISIBILITY 604 basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb); 605 606 basic_ios& copyfmt(const basic_ios& __rhs); 607 608 _LIBCPP_INLINE_VISIBILITY 609 char_type fill() const; 610 _LIBCPP_INLINE_VISIBILITY 611 char_type fill(char_type __ch); 612 613 _LIBCPP_INLINE_VISIBILITY 614 locale imbue(const locale& __loc); 615 616 _LIBCPP_INLINE_VISIBILITY 617 char narrow(char_type __c, char __dfault) const; 618 _LIBCPP_INLINE_VISIBILITY 619 char_type widen(char __c) const; 620 621protected: 622 _LIBCPP_ALWAYS_INLINE 623 basic_ios() {// purposefully does no initialization 624 } 625 _LIBCPP_INLINE_VISIBILITY 626 void init(basic_streambuf<char_type, traits_type>* __sb); 627 628 _LIBCPP_INLINE_VISIBILITY 629 void move(basic_ios& __rhs); 630#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 631 _LIBCPP_ALWAYS_INLINE 632 void move(basic_ios&& __rhs) {move(__rhs);} 633#endif 634 _LIBCPP_INLINE_VISIBILITY 635 void swap(basic_ios& __rhs) _NOEXCEPT; 636 _LIBCPP_INLINE_VISIBILITY 637 void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb); 638private: 639 basic_ostream<char_type, traits_type>* __tie_; 640 mutable int_type __fill_; 641}; 642 643template <class _CharT, class _Traits> 644inline _LIBCPP_INLINE_VISIBILITY 645basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb) 646{ 647 init(__sb); 648} 649 650template <class _CharT, class _Traits> 651basic_ios<_CharT, _Traits>::~basic_ios() 652{ 653} 654 655template <class _CharT, class _Traits> 656inline _LIBCPP_INLINE_VISIBILITY 657void 658basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb) 659{ 660 ios_base::init(__sb); 661 __tie_ = 0; 662 __fill_ = traits_type::eof(); 663} 664 665template <class _CharT, class _Traits> 666inline _LIBCPP_INLINE_VISIBILITY 667basic_ostream<_CharT, _Traits>* 668basic_ios<_CharT, _Traits>::tie() const 669{ 670 return __tie_; 671} 672 673template <class _CharT, class _Traits> 674inline _LIBCPP_INLINE_VISIBILITY 675basic_ostream<_CharT, _Traits>* 676basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr) 677{ 678 basic_ostream<char_type, traits_type>* __r = __tie_; 679 __tie_ = __tiestr; 680 return __r; 681} 682 683template <class _CharT, class _Traits> 684inline _LIBCPP_INLINE_VISIBILITY 685basic_streambuf<_CharT, _Traits>* 686basic_ios<_CharT, _Traits>::rdbuf() const 687{ 688 return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf()); 689} 690 691template <class _CharT, class _Traits> 692inline _LIBCPP_INLINE_VISIBILITY 693basic_streambuf<_CharT, _Traits>* 694basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb) 695{ 696 basic_streambuf<char_type, traits_type>* __r = rdbuf(); 697 ios_base::rdbuf(__sb); 698 return __r; 699} 700 701template <class _CharT, class _Traits> 702inline _LIBCPP_INLINE_VISIBILITY 703locale 704basic_ios<_CharT, _Traits>::imbue(const locale& __loc) 705{ 706 locale __r = getloc(); 707 ios_base::imbue(__loc); 708 if (rdbuf()) 709 rdbuf()->pubimbue(__loc); 710 return __r; 711} 712 713template <class _CharT, class _Traits> 714inline _LIBCPP_INLINE_VISIBILITY 715char 716basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const 717{ 718 return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault); 719} 720 721template <class _CharT, class _Traits> 722inline _LIBCPP_INLINE_VISIBILITY 723_CharT 724basic_ios<_CharT, _Traits>::widen(char __c) const 725{ 726 return use_facet<ctype<char_type> >(getloc()).widen(__c); 727} 728 729template <class _CharT, class _Traits> 730inline _LIBCPP_INLINE_VISIBILITY 731_CharT 732basic_ios<_CharT, _Traits>::fill() const 733{ 734 if (traits_type::eq_int_type(traits_type::eof(), __fill_)) 735 __fill_ = widen(' '); 736 return __fill_; 737} 738 739template <class _CharT, class _Traits> 740inline _LIBCPP_INLINE_VISIBILITY 741_CharT 742basic_ios<_CharT, _Traits>::fill(char_type __ch) 743{ 744 char_type __r = __fill_; 745 __fill_ = __ch; 746 return __r; 747} 748 749template <class _CharT, class _Traits> 750basic_ios<_CharT, _Traits>& 751basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs) 752{ 753 if (this != &__rhs) 754 { 755 __call_callbacks(erase_event); 756 ios_base::copyfmt(__rhs); 757 __tie_ = __rhs.__tie_; 758 __fill_ = __rhs.__fill_; 759 __call_callbacks(copyfmt_event); 760 exceptions(__rhs.exceptions()); 761 } 762 return *this; 763} 764 765template <class _CharT, class _Traits> 766inline _LIBCPP_INLINE_VISIBILITY 767void 768basic_ios<_CharT, _Traits>::move(basic_ios& __rhs) 769{ 770 ios_base::move(__rhs); 771 __tie_ = __rhs.__tie_; 772 __rhs.__tie_ = 0; 773 __fill_ = __rhs.__fill_; 774} 775 776template <class _CharT, class _Traits> 777inline _LIBCPP_INLINE_VISIBILITY 778void 779basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT 780{ 781 ios_base::swap(__rhs); 782 _VSTD::swap(__tie_, __rhs.__tie_); 783 _VSTD::swap(__fill_, __rhs.__fill_); 784} 785 786template <class _CharT, class _Traits> 787inline _LIBCPP_INLINE_VISIBILITY 788void 789basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb) 790{ 791 ios_base::set_rdbuf(__sb); 792} 793 794inline _LIBCPP_INLINE_VISIBILITY 795ios_base& 796boolalpha(ios_base& __str) 797{ 798 __str.setf(ios_base::boolalpha); 799 return __str; 800} 801 802inline _LIBCPP_INLINE_VISIBILITY 803ios_base& 804noboolalpha(ios_base& __str) 805{ 806 __str.unsetf(ios_base::boolalpha); 807 return __str; 808} 809 810inline _LIBCPP_INLINE_VISIBILITY 811ios_base& 812showbase(ios_base& __str) 813{ 814 __str.setf(ios_base::showbase); 815 return __str; 816} 817 818inline _LIBCPP_INLINE_VISIBILITY 819ios_base& 820noshowbase(ios_base& __str) 821{ 822 __str.unsetf(ios_base::showbase); 823 return __str; 824} 825 826inline _LIBCPP_INLINE_VISIBILITY 827ios_base& 828showpoint(ios_base& __str) 829{ 830 __str.setf(ios_base::showpoint); 831 return __str; 832} 833 834inline _LIBCPP_INLINE_VISIBILITY 835ios_base& 836noshowpoint(ios_base& __str) 837{ 838 __str.unsetf(ios_base::showpoint); 839 return __str; 840} 841 842inline _LIBCPP_INLINE_VISIBILITY 843ios_base& 844showpos(ios_base& __str) 845{ 846 __str.setf(ios_base::showpos); 847 return __str; 848} 849 850inline _LIBCPP_INLINE_VISIBILITY 851ios_base& 852noshowpos(ios_base& __str) 853{ 854 __str.unsetf(ios_base::showpos); 855 return __str; 856} 857 858inline _LIBCPP_INLINE_VISIBILITY 859ios_base& 860skipws(ios_base& __str) 861{ 862 __str.setf(ios_base::skipws); 863 return __str; 864} 865 866inline _LIBCPP_INLINE_VISIBILITY 867ios_base& 868noskipws(ios_base& __str) 869{ 870 __str.unsetf(ios_base::skipws); 871 return __str; 872} 873 874inline _LIBCPP_INLINE_VISIBILITY 875ios_base& 876uppercase(ios_base& __str) 877{ 878 __str.setf(ios_base::uppercase); 879 return __str; 880} 881 882inline _LIBCPP_INLINE_VISIBILITY 883ios_base& 884nouppercase(ios_base& __str) 885{ 886 __str.unsetf(ios_base::uppercase); 887 return __str; 888} 889 890inline _LIBCPP_INLINE_VISIBILITY 891ios_base& 892unitbuf(ios_base& __str) 893{ 894 __str.setf(ios_base::unitbuf); 895 return __str; 896} 897 898inline _LIBCPP_INLINE_VISIBILITY 899ios_base& 900nounitbuf(ios_base& __str) 901{ 902 __str.unsetf(ios_base::unitbuf); 903 return __str; 904} 905 906inline _LIBCPP_INLINE_VISIBILITY 907ios_base& 908internal(ios_base& __str) 909{ 910 __str.setf(ios_base::internal, ios_base::adjustfield); 911 return __str; 912} 913 914inline _LIBCPP_INLINE_VISIBILITY 915ios_base& 916left(ios_base& __str) 917{ 918 __str.setf(ios_base::left, ios_base::adjustfield); 919 return __str; 920} 921 922inline _LIBCPP_INLINE_VISIBILITY 923ios_base& 924right(ios_base& __str) 925{ 926 __str.setf(ios_base::right, ios_base::adjustfield); 927 return __str; 928} 929 930inline _LIBCPP_INLINE_VISIBILITY 931ios_base& 932dec(ios_base& __str) 933{ 934 __str.setf(ios_base::dec, ios_base::basefield); 935 return __str; 936} 937 938inline _LIBCPP_INLINE_VISIBILITY 939ios_base& 940hex(ios_base& __str) 941{ 942 __str.setf(ios_base::hex, ios_base::basefield); 943 return __str; 944} 945 946inline _LIBCPP_INLINE_VISIBILITY 947ios_base& 948oct(ios_base& __str) 949{ 950 __str.setf(ios_base::oct, ios_base::basefield); 951 return __str; 952} 953 954inline _LIBCPP_INLINE_VISIBILITY 955ios_base& 956fixed(ios_base& __str) 957{ 958 __str.setf(ios_base::fixed, ios_base::floatfield); 959 return __str; 960} 961 962inline _LIBCPP_INLINE_VISIBILITY 963ios_base& 964scientific(ios_base& __str) 965{ 966 __str.setf(ios_base::scientific, ios_base::floatfield); 967 return __str; 968} 969 970inline _LIBCPP_INLINE_VISIBILITY 971ios_base& 972hexfloat(ios_base& __str) 973{ 974 __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield); 975 return __str; 976} 977 978inline _LIBCPP_INLINE_VISIBILITY 979ios_base& 980defaultfloat(ios_base& __str) 981{ 982 __str.unsetf(ios_base::floatfield); 983 return __str; 984} 985 986_LIBCPP_END_NAMESPACE_STD 987 988#endif // _LIBCPP_IOS 989