1 // -*- C++ -*- 2 //===-------------------------- ostream -----------------------------------===// 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_OSTREAM 12 #define _LIBCPP_OSTREAM 13 14 /* 15 ostream synopsis 16 17 template <class charT, class traits = char_traits<charT> > 18 class basic_ostream 19 : virtual public basic_ios<charT,traits> 20 { 21 public: 22 // types (inherited from basic_ios (27.5.4)): 23 typedef charT char_type; 24 typedef traits traits_type; 25 typedef typename traits_type::int_type int_type; 26 typedef typename traits_type::pos_type pos_type; 27 typedef typename traits_type::off_type off_type; 28 29 // 27.7.2.2 Constructor/destructor: 30 explicit basic_ostream(basic_streambuf<char_type,traits>* sb); 31 basic_ostream(basic_ostream&& rhs); 32 virtual ~basic_ostream(); 33 34 // 27.7.2.3 Assign/swap 35 basic_ostream& operator=(const basic_ostream& rhs) = delete; // C++14 36 basic_ostream& operator=(basic_ostream&& rhs); 37 void swap(basic_ostream& rhs); 38 39 // 27.7.2.4 Prefix/suffix: 40 class sentry; 41 42 // 27.7.2.6 Formatted output: 43 basic_ostream& operator<<(basic_ostream& (*pf)(basic_ostream&)); 44 basic_ostream& operator<<(basic_ios<charT, traits>& (*pf)(basic_ios<charT,traits>&)); 45 basic_ostream& operator<<(ios_base& (*pf)(ios_base&)); 46 basic_ostream& operator<<(bool n); 47 basic_ostream& operator<<(short n); 48 basic_ostream& operator<<(unsigned short n); 49 basic_ostream& operator<<(int n); 50 basic_ostream& operator<<(unsigned int n); 51 basic_ostream& operator<<(long n); 52 basic_ostream& operator<<(unsigned long n); 53 basic_ostream& operator<<(long long n); 54 basic_ostream& operator<<(unsigned long long n); 55 basic_ostream& operator<<(float f); 56 basic_ostream& operator<<(double f); 57 basic_ostream& operator<<(long double f); 58 basic_ostream& operator<<(const void* p); 59 basic_ostream& operator<<(basic_streambuf<char_type,traits>* sb); 60 61 // 27.7.2.7 Unformatted output: 62 basic_ostream& put(char_type c); 63 basic_ostream& write(const char_type* s, streamsize n); 64 basic_ostream& flush(); 65 66 // 27.7.2.5 seeks: 67 pos_type tellp(); 68 basic_ostream& seekp(pos_type); 69 basic_ostream& seekp(off_type, ios_base::seekdir); 70 protected: 71 basic_ostream(const basic_ostream& rhs) = delete; 72 basic_ostream(basic_ostream&& rhs); 73 // 27.7.3.3 Assign/swap 74 basic_ostream& operator=(basic_ostream& rhs) = delete; 75 basic_ostream& operator=(const basic_ostream&& rhs); 76 void swap(basic_ostream& rhs); 77 }; 78 79 // 27.7.2.6.4 character inserters 80 81 template<class charT, class traits> 82 basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>&, charT); 83 84 template<class charT, class traits> 85 basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>&, char); 86 87 template<class traits> 88 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, char); 89 90 // signed and unsigned 91 92 template<class traits> 93 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, signed char); 94 95 template<class traits> 96 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, unsigned char); 97 98 // NTBS 99 template<class charT, class traits> 100 basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>&, const charT*); 101 102 template<class charT, class traits> 103 basic_ostream<charT,traits>& operator<<(basic_ostream<charT,traits>&, const char*); 104 105 template<class traits> 106 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, const char*); 107 108 // signed and unsigned 109 template<class traits> 110 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, const signed char*); 111 112 template<class traits> 113 basic_ostream<char,traits>& operator<<(basic_ostream<char,traits>&, const unsigned char*); 114 115 // swap: 116 template <class charT, class traits> 117 void swap(basic_ostream<charT, traits>& x, basic_ostream<charT, traits>& y); 118 119 template <class charT, class traits> 120 basic_ostream<charT,traits>& endl(basic_ostream<charT,traits>& os); 121 122 template <class charT, class traits> 123 basic_ostream<charT,traits>& ends(basic_ostream<charT,traits>& os); 124 125 template <class charT, class traits> 126 basic_ostream<charT,traits>& flush(basic_ostream<charT,traits>& os); 127 128 // rvalue stream insertion 129 template <class charT, class traits, class T> 130 basic_ostream<charT, traits>& 131 operator<<(basic_ostream<charT, traits>&& os, const T& x); 132 133 } // std 134 135 */ 136 137 #include <__config> 138 #include <ios> 139 #include <streambuf> 140 #include <locale> 141 #include <iterator> 142 #include <bitset> 143 144 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 145 #pragma GCC system_header 146 #endif 147 148 _LIBCPP_BEGIN_NAMESPACE_STD 149 150 template <class _CharT, class _Traits> 151 class _LIBCPP_TEMPLATE_VIS basic_ostream 152 : virtual public basic_ios<_CharT, _Traits> 153 { 154 public: 155 // types (inherited from basic_ios (27.5.4)): 156 typedef _CharT char_type; 157 typedef _Traits traits_type; 158 typedef typename traits_type::int_type int_type; 159 typedef typename traits_type::pos_type pos_type; 160 typedef typename traits_type::off_type off_type; 161 162 // 27.7.2.2 Constructor/destructor: 163 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 164 explicit basic_ostream(basic_streambuf<char_type, traits_type>* __sb) 165 { this->init(__sb); } 166 virtual ~basic_ostream(); 167 protected: 168 #ifndef _LIBCPP_CXX03_LANG 169 inline _LIBCPP_INLINE_VISIBILITY 170 basic_ostream(basic_ostream&& __rhs); 171 172 // 27.7.2.3 Assign/swap 173 inline _LIBCPP_INLINE_VISIBILITY 174 basic_ostream& operator=(basic_ostream&& __rhs); 175 #endif 176 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 177 void swap(basic_ostream& __rhs) 178 { basic_ios<char_type, traits_type>::swap(__rhs); } 179 180 #ifndef _LIBCPP_CXX03_LANG 181 basic_ostream (const basic_ostream& __rhs) = delete; 182 basic_ostream& operator=(const basic_ostream& __rhs) = delete; 183 #else 184 basic_ostream (const basic_ostream& __rhs); // not defined 185 basic_ostream& operator=(const basic_ostream& __rhs); // not defined 186 #endif 187 public: 188 189 // 27.7.2.4 Prefix/suffix: 190 class _LIBCPP_TEMPLATE_VIS sentry; 191 192 // 27.7.2.6 Formatted output: 193 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 194 basic_ostream& operator<<(basic_ostream& (*__pf)(basic_ostream&)) 195 { return __pf(*this); } 196 197 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 198 basic_ostream& operator<<(basic_ios<char_type, traits_type>& 199 (*__pf)(basic_ios<char_type,traits_type>&)) 200 { __pf(*this); return *this; } 201 202 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 203 basic_ostream& operator<<(ios_base& (*__pf)(ios_base&)) 204 { __pf(*this); return *this; } 205 206 basic_ostream& operator<<(bool __n); 207 basic_ostream& operator<<(short __n); 208 basic_ostream& operator<<(unsigned short __n); 209 basic_ostream& operator<<(int __n); 210 basic_ostream& operator<<(unsigned int __n); 211 basic_ostream& operator<<(long __n); 212 basic_ostream& operator<<(unsigned long __n); 213 basic_ostream& operator<<(long long __n); 214 basic_ostream& operator<<(unsigned long long __n); 215 basic_ostream& operator<<(float __f); 216 basic_ostream& operator<<(double __f); 217 basic_ostream& operator<<(long double __f); 218 basic_ostream& operator<<(const void* __p); 219 basic_ostream& operator<<(basic_streambuf<char_type, traits_type>* __sb); 220 221 // 27.7.2.7 Unformatted output: 222 basic_ostream& put(char_type __c); 223 basic_ostream& write(const char_type* __s, streamsize __n); 224 basic_ostream& flush(); 225 226 // 27.7.2.5 seeks: 227 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 228 pos_type tellp(); 229 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 230 basic_ostream& seekp(pos_type __pos); 231 inline _LIBCPP_EXTERN_TEMPLATE_INLINE_VISIBILITY 232 basic_ostream& seekp(off_type __off, ios_base::seekdir __dir); 233 234 protected: 235 _LIBCPP_ALWAYS_INLINE 236 basic_ostream() {} // extension, intentially does not initialize 237 }; 238 239 template <class _CharT, class _Traits> 240 class _LIBCPP_TEMPLATE_VIS basic_ostream<_CharT, _Traits>::sentry 241 { 242 bool __ok_; 243 basic_ostream<_CharT, _Traits>& __os_; 244 245 sentry(const sentry&); // = delete; 246 sentry& operator=(const sentry&); // = delete; 247 248 public: 249 explicit sentry(basic_ostream<_CharT, _Traits>& __os); 250 ~sentry(); 251 252 _LIBCPP_ALWAYS_INLINE 253 _LIBCPP_EXPLICIT 254 operator bool() const {return __ok_;} 255 }; 256 257 template <class _CharT, class _Traits> 258 basic_ostream<_CharT, _Traits>::sentry::sentry(basic_ostream<_CharT, _Traits>& __os) 259 : __ok_(false), 260 __os_(__os) 261 { 262 if (__os.good()) 263 { 264 if (__os.tie()) 265 __os.tie()->flush(); 266 __ok_ = true; 267 } 268 } 269 270 template <class _CharT, class _Traits> 271 basic_ostream<_CharT, _Traits>::sentry::~sentry() 272 { 273 if (__os_.rdbuf() && __os_.good() && (__os_.flags() & ios_base::unitbuf) 274 && !uncaught_exception()) 275 { 276 #ifndef _LIBCPP_NO_EXCEPTIONS 277 try 278 { 279 #endif // _LIBCPP_NO_EXCEPTIONS 280 if (__os_.rdbuf()->pubsync() == -1) 281 __os_.setstate(ios_base::badbit); 282 #ifndef _LIBCPP_NO_EXCEPTIONS 283 } 284 catch (...) 285 { 286 } 287 #endif // _LIBCPP_NO_EXCEPTIONS 288 } 289 } 290 291 #ifndef _LIBCPP_CXX03_LANG 292 293 template <class _CharT, class _Traits> 294 basic_ostream<_CharT, _Traits>::basic_ostream(basic_ostream&& __rhs) 295 { 296 this->move(__rhs); 297 } 298 299 template <class _CharT, class _Traits> 300 basic_ostream<_CharT, _Traits>& 301 basic_ostream<_CharT, _Traits>::operator=(basic_ostream&& __rhs) 302 { 303 swap(__rhs); 304 return *this; 305 } 306 307 #endif // _LIBCPP_CXX03_LANG 308 309 template <class _CharT, class _Traits> 310 basic_ostream<_CharT, _Traits>::~basic_ostream() 311 { 312 } 313 314 template <class _CharT, class _Traits> 315 basic_ostream<_CharT, _Traits>& 316 basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<char_type, traits_type>* __sb) 317 { 318 #ifndef _LIBCPP_NO_EXCEPTIONS 319 try 320 { 321 #endif // _LIBCPP_NO_EXCEPTIONS 322 sentry __s(*this); 323 if (__s) 324 { 325 if (__sb) 326 { 327 #ifndef _LIBCPP_NO_EXCEPTIONS 328 try 329 { 330 #endif // _LIBCPP_NO_EXCEPTIONS 331 typedef istreambuf_iterator<_CharT, _Traits> _Ip; 332 typedef ostreambuf_iterator<_CharT, _Traits> _Op; 333 _Ip __i(__sb); 334 _Ip __eof; 335 _Op __o(*this); 336 size_t __c = 0; 337 for (; __i != __eof; ++__i, ++__o, ++__c) 338 { 339 *__o = *__i; 340 if (__o.failed()) 341 break; 342 } 343 if (__c == 0) 344 this->setstate(ios_base::failbit); 345 #ifndef _LIBCPP_NO_EXCEPTIONS 346 } 347 catch (...) 348 { 349 this->__set_failbit_and_consider_rethrow(); 350 } 351 #endif // _LIBCPP_NO_EXCEPTIONS 352 } 353 else 354 this->setstate(ios_base::badbit); 355 } 356 #ifndef _LIBCPP_NO_EXCEPTIONS 357 } 358 catch (...) 359 { 360 this->__set_badbit_and_consider_rethrow(); 361 } 362 #endif // _LIBCPP_NO_EXCEPTIONS 363 return *this; 364 } 365 366 template <class _CharT, class _Traits> 367 basic_ostream<_CharT, _Traits>& 368 basic_ostream<_CharT, _Traits>::operator<<(bool __n) 369 { 370 #ifndef _LIBCPP_NO_EXCEPTIONS 371 try 372 { 373 #endif // _LIBCPP_NO_EXCEPTIONS 374 sentry __s(*this); 375 if (__s) 376 { 377 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 378 const _Fp& __f = use_facet<_Fp>(this->getloc()); 379 if (__f.put(*this, *this, this->fill(), __n).failed()) 380 this->setstate(ios_base::badbit | ios_base::failbit); 381 } 382 #ifndef _LIBCPP_NO_EXCEPTIONS 383 } 384 catch (...) 385 { 386 this->__set_badbit_and_consider_rethrow(); 387 } 388 #endif // _LIBCPP_NO_EXCEPTIONS 389 return *this; 390 } 391 392 template <class _CharT, class _Traits> 393 basic_ostream<_CharT, _Traits>& 394 basic_ostream<_CharT, _Traits>::operator<<(short __n) 395 { 396 #ifndef _LIBCPP_NO_EXCEPTIONS 397 try 398 { 399 #endif // _LIBCPP_NO_EXCEPTIONS 400 sentry __s(*this); 401 if (__s) 402 { 403 ios_base::fmtflags __flags = ios_base::flags() & ios_base::basefield; 404 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 405 const _Fp& __f = use_facet<_Fp>(this->getloc()); 406 if (__f.put(*this, *this, this->fill(), 407 __flags == ios_base::oct || __flags == ios_base::hex ? 408 static_cast<long>(static_cast<unsigned short>(__n)) : 409 static_cast<long>(__n)).failed()) 410 this->setstate(ios_base::badbit | ios_base::failbit); 411 } 412 #ifndef _LIBCPP_NO_EXCEPTIONS 413 } 414 catch (...) 415 { 416 this->__set_badbit_and_consider_rethrow(); 417 } 418 #endif // _LIBCPP_NO_EXCEPTIONS 419 return *this; 420 } 421 422 template <class _CharT, class _Traits> 423 basic_ostream<_CharT, _Traits>& 424 basic_ostream<_CharT, _Traits>::operator<<(unsigned short __n) 425 { 426 #ifndef _LIBCPP_NO_EXCEPTIONS 427 try 428 { 429 #endif // _LIBCPP_NO_EXCEPTIONS 430 sentry __s(*this); 431 if (__s) 432 { 433 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 434 const _Fp& __f = use_facet<_Fp>(this->getloc()); 435 if (__f.put(*this, *this, this->fill(), static_cast<unsigned long>(__n)).failed()) 436 this->setstate(ios_base::badbit | ios_base::failbit); 437 } 438 #ifndef _LIBCPP_NO_EXCEPTIONS 439 } 440 catch (...) 441 { 442 this->__set_badbit_and_consider_rethrow(); 443 } 444 #endif // _LIBCPP_NO_EXCEPTIONS 445 return *this; 446 } 447 448 template <class _CharT, class _Traits> 449 basic_ostream<_CharT, _Traits>& 450 basic_ostream<_CharT, _Traits>::operator<<(int __n) 451 { 452 #ifndef _LIBCPP_NO_EXCEPTIONS 453 try 454 { 455 #endif // _LIBCPP_NO_EXCEPTIONS 456 sentry __s(*this); 457 if (__s) 458 { 459 ios_base::fmtflags __flags = ios_base::flags() & ios_base::basefield; 460 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 461 const _Fp& __f = use_facet<_Fp>(this->getloc()); 462 if (__f.put(*this, *this, this->fill(), 463 __flags == ios_base::oct || __flags == ios_base::hex ? 464 static_cast<long>(static_cast<unsigned int>(__n)) : 465 static_cast<long>(__n)).failed()) 466 this->setstate(ios_base::badbit | ios_base::failbit); 467 } 468 #ifndef _LIBCPP_NO_EXCEPTIONS 469 } 470 catch (...) 471 { 472 this->__set_badbit_and_consider_rethrow(); 473 } 474 #endif // _LIBCPP_NO_EXCEPTIONS 475 return *this; 476 } 477 478 template <class _CharT, class _Traits> 479 basic_ostream<_CharT, _Traits>& 480 basic_ostream<_CharT, _Traits>::operator<<(unsigned int __n) 481 { 482 #ifndef _LIBCPP_NO_EXCEPTIONS 483 try 484 { 485 #endif // _LIBCPP_NO_EXCEPTIONS 486 sentry __s(*this); 487 if (__s) 488 { 489 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 490 const _Fp& __f = use_facet<_Fp>(this->getloc()); 491 if (__f.put(*this, *this, this->fill(), static_cast<unsigned long>(__n)).failed()) 492 this->setstate(ios_base::badbit | ios_base::failbit); 493 } 494 #ifndef _LIBCPP_NO_EXCEPTIONS 495 } 496 catch (...) 497 { 498 this->__set_badbit_and_consider_rethrow(); 499 } 500 #endif // _LIBCPP_NO_EXCEPTIONS 501 return *this; 502 } 503 504 template <class _CharT, class _Traits> 505 basic_ostream<_CharT, _Traits>& 506 basic_ostream<_CharT, _Traits>::operator<<(long __n) 507 { 508 #ifndef _LIBCPP_NO_EXCEPTIONS 509 try 510 { 511 #endif // _LIBCPP_NO_EXCEPTIONS 512 sentry __s(*this); 513 if (__s) 514 { 515 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 516 const _Fp& __f = use_facet<_Fp>(this->getloc()); 517 if (__f.put(*this, *this, this->fill(), __n).failed()) 518 this->setstate(ios_base::badbit | ios_base::failbit); 519 } 520 #ifndef _LIBCPP_NO_EXCEPTIONS 521 } 522 catch (...) 523 { 524 this->__set_badbit_and_consider_rethrow(); 525 } 526 #endif // _LIBCPP_NO_EXCEPTIONS 527 return *this; 528 } 529 530 template <class _CharT, class _Traits> 531 basic_ostream<_CharT, _Traits>& 532 basic_ostream<_CharT, _Traits>::operator<<(unsigned long __n) 533 { 534 #ifndef _LIBCPP_NO_EXCEPTIONS 535 try 536 { 537 #endif // _LIBCPP_NO_EXCEPTIONS 538 sentry __s(*this); 539 if (__s) 540 { 541 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 542 const _Fp& __f = use_facet<_Fp>(this->getloc()); 543 if (__f.put(*this, *this, this->fill(), __n).failed()) 544 this->setstate(ios_base::badbit | ios_base::failbit); 545 } 546 #ifndef _LIBCPP_NO_EXCEPTIONS 547 } 548 catch (...) 549 { 550 this->__set_badbit_and_consider_rethrow(); 551 } 552 #endif // _LIBCPP_NO_EXCEPTIONS 553 return *this; 554 } 555 556 template <class _CharT, class _Traits> 557 basic_ostream<_CharT, _Traits>& 558 basic_ostream<_CharT, _Traits>::operator<<(long long __n) 559 { 560 #ifndef _LIBCPP_NO_EXCEPTIONS 561 try 562 { 563 #endif // _LIBCPP_NO_EXCEPTIONS 564 sentry __s(*this); 565 if (__s) 566 { 567 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 568 const _Fp& __f = use_facet<_Fp>(this->getloc()); 569 if (__f.put(*this, *this, this->fill(), __n).failed()) 570 this->setstate(ios_base::badbit | ios_base::failbit); 571 } 572 #ifndef _LIBCPP_NO_EXCEPTIONS 573 } 574 catch (...) 575 { 576 this->__set_badbit_and_consider_rethrow(); 577 } 578 #endif // _LIBCPP_NO_EXCEPTIONS 579 return *this; 580 } 581 582 template <class _CharT, class _Traits> 583 basic_ostream<_CharT, _Traits>& 584 basic_ostream<_CharT, _Traits>::operator<<(unsigned long long __n) 585 { 586 #ifndef _LIBCPP_NO_EXCEPTIONS 587 try 588 { 589 #endif // _LIBCPP_NO_EXCEPTIONS 590 sentry __s(*this); 591 if (__s) 592 { 593 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 594 const _Fp& __f = use_facet<_Fp>(this->getloc()); 595 if (__f.put(*this, *this, this->fill(), __n).failed()) 596 this->setstate(ios_base::badbit | ios_base::failbit); 597 } 598 #ifndef _LIBCPP_NO_EXCEPTIONS 599 } 600 catch (...) 601 { 602 this->__set_badbit_and_consider_rethrow(); 603 } 604 #endif // _LIBCPP_NO_EXCEPTIONS 605 return *this; 606 } 607 608 template <class _CharT, class _Traits> 609 basic_ostream<_CharT, _Traits>& 610 basic_ostream<_CharT, _Traits>::operator<<(float __n) 611 { 612 #ifndef _LIBCPP_NO_EXCEPTIONS 613 try 614 { 615 #endif // _LIBCPP_NO_EXCEPTIONS 616 sentry __s(*this); 617 if (__s) 618 { 619 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 620 const _Fp& __f = use_facet<_Fp>(this->getloc()); 621 if (__f.put(*this, *this, this->fill(), static_cast<double>(__n)).failed()) 622 this->setstate(ios_base::badbit | ios_base::failbit); 623 } 624 #ifndef _LIBCPP_NO_EXCEPTIONS 625 } 626 catch (...) 627 { 628 this->__set_badbit_and_consider_rethrow(); 629 } 630 #endif // _LIBCPP_NO_EXCEPTIONS 631 return *this; 632 } 633 634 template <class _CharT, class _Traits> 635 basic_ostream<_CharT, _Traits>& 636 basic_ostream<_CharT, _Traits>::operator<<(double __n) 637 { 638 #ifndef _LIBCPP_NO_EXCEPTIONS 639 try 640 { 641 #endif // _LIBCPP_NO_EXCEPTIONS 642 sentry __s(*this); 643 if (__s) 644 { 645 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 646 const _Fp& __f = use_facet<_Fp>(this->getloc()); 647 if (__f.put(*this, *this, this->fill(), __n).failed()) 648 this->setstate(ios_base::badbit | ios_base::failbit); 649 } 650 #ifndef _LIBCPP_NO_EXCEPTIONS 651 } 652 catch (...) 653 { 654 this->__set_badbit_and_consider_rethrow(); 655 } 656 #endif // _LIBCPP_NO_EXCEPTIONS 657 return *this; 658 } 659 660 template <class _CharT, class _Traits> 661 basic_ostream<_CharT, _Traits>& 662 basic_ostream<_CharT, _Traits>::operator<<(long double __n) 663 { 664 #ifndef _LIBCPP_NO_EXCEPTIONS 665 try 666 { 667 #endif // _LIBCPP_NO_EXCEPTIONS 668 sentry __s(*this); 669 if (__s) 670 { 671 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 672 const _Fp& __f = use_facet<_Fp>(this->getloc()); 673 if (__f.put(*this, *this, this->fill(), __n).failed()) 674 this->setstate(ios_base::badbit | ios_base::failbit); 675 } 676 #ifndef _LIBCPP_NO_EXCEPTIONS 677 } 678 catch (...) 679 { 680 this->__set_badbit_and_consider_rethrow(); 681 } 682 #endif // _LIBCPP_NO_EXCEPTIONS 683 return *this; 684 } 685 686 template <class _CharT, class _Traits> 687 basic_ostream<_CharT, _Traits>& 688 basic_ostream<_CharT, _Traits>::operator<<(const void* __n) 689 { 690 #ifndef _LIBCPP_NO_EXCEPTIONS 691 try 692 { 693 #endif // _LIBCPP_NO_EXCEPTIONS 694 sentry __s(*this); 695 if (__s) 696 { 697 typedef num_put<char_type, ostreambuf_iterator<char_type, traits_type> > _Fp; 698 const _Fp& __f = use_facet<_Fp>(this->getloc()); 699 if (__f.put(*this, *this, this->fill(), __n).failed()) 700 this->setstate(ios_base::badbit | ios_base::failbit); 701 } 702 #ifndef _LIBCPP_NO_EXCEPTIONS 703 } 704 catch (...) 705 { 706 this->__set_badbit_and_consider_rethrow(); 707 } 708 #endif // _LIBCPP_NO_EXCEPTIONS 709 return *this; 710 } 711 712 template<class _CharT, class _Traits> 713 basic_ostream<_CharT, _Traits>& 714 __put_character_sequence(basic_ostream<_CharT, _Traits>& __os, 715 const _CharT* __str, size_t __len) 716 { 717 #ifndef _LIBCPP_NO_EXCEPTIONS 718 try 719 { 720 #endif // _LIBCPP_NO_EXCEPTIONS 721 typename basic_ostream<_CharT, _Traits>::sentry __s(__os); 722 if (__s) 723 { 724 typedef ostreambuf_iterator<_CharT, _Traits> _Ip; 725 if (__pad_and_output(_Ip(__os), 726 __str, 727 (__os.flags() & ios_base::adjustfield) == ios_base::left ? 728 __str + __len : 729 __str, 730 __str + __len, 731 __os, 732 __os.fill()).failed()) 733 __os.setstate(ios_base::badbit | ios_base::failbit); 734 } 735 #ifndef _LIBCPP_NO_EXCEPTIONS 736 } 737 catch (...) 738 { 739 __os.__set_badbit_and_consider_rethrow(); 740 } 741 #endif // _LIBCPP_NO_EXCEPTIONS 742 return __os; 743 } 744 745 746 template<class _CharT, class _Traits> 747 basic_ostream<_CharT, _Traits>& 748 operator<<(basic_ostream<_CharT, _Traits>& __os, _CharT __c) 749 { 750 return _VSTD::__put_character_sequence(__os, &__c, 1); 751 } 752 753 template<class _CharT, class _Traits> 754 basic_ostream<_CharT, _Traits>& 755 operator<<(basic_ostream<_CharT, _Traits>& __os, char __cn) 756 { 757 #ifndef _LIBCPP_NO_EXCEPTIONS 758 try 759 { 760 #endif // _LIBCPP_NO_EXCEPTIONS 761 typename basic_ostream<_CharT, _Traits>::sentry __s(__os); 762 if (__s) 763 { 764 _CharT __c = __os.widen(__cn); 765 typedef ostreambuf_iterator<_CharT, _Traits> _Ip; 766 if (__pad_and_output(_Ip(__os), 767 &__c, 768 (__os.flags() & ios_base::adjustfield) == ios_base::left ? 769 &__c + 1 : 770 &__c, 771 &__c + 1, 772 __os, 773 __os.fill()).failed()) 774 __os.setstate(ios_base::badbit | ios_base::failbit); 775 } 776 #ifndef _LIBCPP_NO_EXCEPTIONS 777 } 778 catch (...) 779 { 780 __os.__set_badbit_and_consider_rethrow(); 781 } 782 #endif // _LIBCPP_NO_EXCEPTIONS 783 return __os; 784 } 785 786 template<class _Traits> 787 basic_ostream<char, _Traits>& 788 operator<<(basic_ostream<char, _Traits>& __os, char __c) 789 { 790 return _VSTD::__put_character_sequence(__os, &__c, 1); 791 } 792 793 template<class _Traits> 794 basic_ostream<char, _Traits>& 795 operator<<(basic_ostream<char, _Traits>& __os, signed char __c) 796 { 797 return _VSTD::__put_character_sequence(__os, (char *) &__c, 1); 798 } 799 800 template<class _Traits> 801 basic_ostream<char, _Traits>& 802 operator<<(basic_ostream<char, _Traits>& __os, unsigned char __c) 803 { 804 return _VSTD::__put_character_sequence(__os, (char *) &__c, 1); 805 } 806 807 template<class _CharT, class _Traits> 808 basic_ostream<_CharT, _Traits>& 809 operator<<(basic_ostream<_CharT, _Traits>& __os, const _CharT* __str) 810 { 811 return _VSTD::__put_character_sequence(__os, __str, _Traits::length(__str)); 812 } 813 814 template<class _CharT, class _Traits> 815 basic_ostream<_CharT, _Traits>& 816 operator<<(basic_ostream<_CharT, _Traits>& __os, const char* __strn) 817 { 818 #ifndef _LIBCPP_NO_EXCEPTIONS 819 try 820 { 821 #endif // _LIBCPP_NO_EXCEPTIONS 822 typename basic_ostream<_CharT, _Traits>::sentry __s(__os); 823 if (__s) 824 { 825 typedef ostreambuf_iterator<_CharT, _Traits> _Ip; 826 size_t __len = char_traits<char>::length(__strn); 827 const int __bs = 100; 828 _CharT __wbb[__bs]; 829 _CharT* __wb = __wbb; 830 unique_ptr<_CharT, void(*)(void*)> __h(0, free); 831 if (__len > __bs) 832 { 833 __wb = (_CharT*)malloc(__len*sizeof(_CharT)); 834 if (__wb == 0) 835 __throw_bad_alloc(); 836 __h.reset(__wb); 837 } 838 for (_CharT* __p = __wb; *__strn != '\0'; ++__strn, ++__p) 839 *__p = __os.widen(*__strn); 840 if (__pad_and_output(_Ip(__os), 841 __wb, 842 (__os.flags() & ios_base::adjustfield) == ios_base::left ? 843 __wb + __len : 844 __wb, 845 __wb + __len, 846 __os, 847 __os.fill()).failed()) 848 __os.setstate(ios_base::badbit | ios_base::failbit); 849 } 850 #ifndef _LIBCPP_NO_EXCEPTIONS 851 } 852 catch (...) 853 { 854 __os.__set_badbit_and_consider_rethrow(); 855 } 856 #endif // _LIBCPP_NO_EXCEPTIONS 857 return __os; 858 } 859 860 template<class _Traits> 861 basic_ostream<char, _Traits>& 862 operator<<(basic_ostream<char, _Traits>& __os, const char* __str) 863 { 864 return _VSTD::__put_character_sequence(__os, __str, _Traits::length(__str)); 865 } 866 867 template<class _Traits> 868 basic_ostream<char, _Traits>& 869 operator<<(basic_ostream<char, _Traits>& __os, const signed char* __str) 870 { 871 const char *__s = (const char *) __str; 872 return _VSTD::__put_character_sequence(__os, __s, _Traits::length(__s)); 873 } 874 875 template<class _Traits> 876 basic_ostream<char, _Traits>& 877 operator<<(basic_ostream<char, _Traits>& __os, const unsigned char* __str) 878 { 879 const char *__s = (const char *) __str; 880 return _VSTD::__put_character_sequence(__os, __s, _Traits::length(__s)); 881 } 882 883 template <class _CharT, class _Traits> 884 basic_ostream<_CharT, _Traits>& 885 basic_ostream<_CharT, _Traits>::put(char_type __c) 886 { 887 #ifndef _LIBCPP_NO_EXCEPTIONS 888 try 889 { 890 #endif // _LIBCPP_NO_EXCEPTIONS 891 sentry __s(*this); 892 if (__s) 893 { 894 typedef ostreambuf_iterator<_CharT, _Traits> _Op; 895 _Op __o(*this); 896 *__o = __c; 897 if (__o.failed()) 898 this->setstate(ios_base::badbit); 899 } 900 #ifndef _LIBCPP_NO_EXCEPTIONS 901 } 902 catch (...) 903 { 904 this->__set_badbit_and_consider_rethrow(); 905 } 906 #endif // _LIBCPP_NO_EXCEPTIONS 907 return *this; 908 } 909 910 template <class _CharT, class _Traits> 911 basic_ostream<_CharT, _Traits>& 912 basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n) 913 { 914 #ifndef _LIBCPP_NO_EXCEPTIONS 915 try 916 { 917 #endif // _LIBCPP_NO_EXCEPTIONS 918 sentry __sen(*this); 919 if (__sen && __n) 920 { 921 if (this->rdbuf()->sputn(__s, __n) != __n) 922 this->setstate(ios_base::badbit); 923 } 924 #ifndef _LIBCPP_NO_EXCEPTIONS 925 } 926 catch (...) 927 { 928 this->__set_badbit_and_consider_rethrow(); 929 } 930 #endif // _LIBCPP_NO_EXCEPTIONS 931 return *this; 932 } 933 934 template <class _CharT, class _Traits> 935 basic_ostream<_CharT, _Traits>& 936 basic_ostream<_CharT, _Traits>::flush() 937 { 938 #ifndef _LIBCPP_NO_EXCEPTIONS 939 try 940 { 941 #endif // _LIBCPP_NO_EXCEPTIONS 942 if (this->rdbuf()) 943 { 944 sentry __s(*this); 945 if (__s) 946 { 947 if (this->rdbuf()->pubsync() == -1) 948 this->setstate(ios_base::badbit); 949 } 950 } 951 #ifndef _LIBCPP_NO_EXCEPTIONS 952 } 953 catch (...) 954 { 955 this->__set_badbit_and_consider_rethrow(); 956 } 957 #endif // _LIBCPP_NO_EXCEPTIONS 958 return *this; 959 } 960 961 template <class _CharT, class _Traits> 962 typename basic_ostream<_CharT, _Traits>::pos_type 963 basic_ostream<_CharT, _Traits>::tellp() 964 { 965 if (this->fail()) 966 return pos_type(-1); 967 return this->rdbuf()->pubseekoff(0, ios_base::cur, ios_base::out); 968 } 969 970 template <class _CharT, class _Traits> 971 basic_ostream<_CharT, _Traits>& 972 basic_ostream<_CharT, _Traits>::seekp(pos_type __pos) 973 { 974 sentry __s(*this); 975 if (!this->fail()) 976 { 977 if (this->rdbuf()->pubseekpos(__pos, ios_base::out) == pos_type(-1)) 978 this->setstate(ios_base::failbit); 979 } 980 return *this; 981 } 982 983 template <class _CharT, class _Traits> 984 basic_ostream<_CharT, _Traits>& 985 basic_ostream<_CharT, _Traits>::seekp(off_type __off, ios_base::seekdir __dir) 986 { 987 sentry __s(*this); 988 if (!this->fail()) 989 { 990 if (this->rdbuf()->pubseekoff(__off, __dir, ios_base::out) == pos_type(-1)) 991 this->setstate(ios_base::failbit); 992 } 993 return *this; 994 } 995 996 template <class _CharT, class _Traits> 997 inline _LIBCPP_INLINE_VISIBILITY 998 basic_ostream<_CharT, _Traits>& 999 endl(basic_ostream<_CharT, _Traits>& __os) 1000 { 1001 __os.put(__os.widen('\n')); 1002 __os.flush(); 1003 return __os; 1004 } 1005 1006 template <class _CharT, class _Traits> 1007 inline _LIBCPP_INLINE_VISIBILITY 1008 basic_ostream<_CharT, _Traits>& 1009 ends(basic_ostream<_CharT, _Traits>& __os) 1010 { 1011 __os.put(_CharT()); 1012 return __os; 1013 } 1014 1015 template <class _CharT, class _Traits> 1016 inline _LIBCPP_INLINE_VISIBILITY 1017 basic_ostream<_CharT, _Traits>& 1018 flush(basic_ostream<_CharT, _Traits>& __os) 1019 { 1020 __os.flush(); 1021 return __os; 1022 } 1023 1024 #ifndef _LIBCPP_CXX03_LANG 1025 1026 template <class _Stream, class _Tp> 1027 inline _LIBCPP_INLINE_VISIBILITY 1028 typename enable_if 1029 < 1030 !is_lvalue_reference<_Stream>::value && 1031 is_base_of<ios_base, _Stream>::value, 1032 _Stream&& 1033 >::type 1034 operator<<(_Stream&& __os, const _Tp& __x) 1035 { 1036 __os << __x; 1037 return _VSTD::move(__os); 1038 } 1039 1040 #endif // _LIBCPP_CXX03_LANG 1041 1042 template<class _CharT, class _Traits, class _Allocator> 1043 basic_ostream<_CharT, _Traits>& 1044 operator<<(basic_ostream<_CharT, _Traits>& __os, 1045 const basic_string<_CharT, _Traits, _Allocator>& __str) 1046 { 1047 return _VSTD::__put_character_sequence(__os, __str.data(), __str.size()); 1048 } 1049 1050 template<class _CharT, class _Traits> 1051 basic_ostream<_CharT, _Traits>& 1052 operator<<(basic_ostream<_CharT, _Traits>& __os, 1053 const basic_string_view<_CharT, _Traits> __sv) 1054 { 1055 return _VSTD::__put_character_sequence(__os, __sv.data(), __sv.size()); 1056 } 1057 1058 template <class _CharT, class _Traits> 1059 inline _LIBCPP_INLINE_VISIBILITY 1060 basic_ostream<_CharT, _Traits>& 1061 operator<<(basic_ostream<_CharT, _Traits>& __os, const error_code& __ec) 1062 { 1063 return __os << __ec.category().name() << ':' << __ec.value(); 1064 } 1065 1066 template<class _CharT, class _Traits, class _Yp> 1067 inline _LIBCPP_INLINE_VISIBILITY 1068 basic_ostream<_CharT, _Traits>& 1069 operator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Yp> const& __p) 1070 { 1071 return __os << __p.get(); 1072 } 1073 1074 template <class _CharT, class _Traits, size_t _Size> 1075 basic_ostream<_CharT, _Traits>& 1076 operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x) 1077 { 1078 return __os << __x.template to_string<_CharT, _Traits> 1079 (use_facet<ctype<_CharT> >(__os.getloc()).widen('0'), 1080 use_facet<ctype<_CharT> >(__os.getloc()).widen('1')); 1081 } 1082 1083 #ifndef _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE 1084 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ostream<char>) 1085 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_ostream<wchar_t>) 1086 #endif 1087 1088 _LIBCPP_END_NAMESPACE_STD 1089 1090 #endif // _LIBCPP_OSTREAM 1091
