1 // -*- C++ -*- 2 //===--------------------------- sstream ----------------------------------===// 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_SSTREAM 12 #define _LIBCPP_SSTREAM 13 14 /* 15 sstream synopsis 16 17 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 18 class basic_stringbuf 19 : public basic_streambuf<charT, traits> 20 { 21 public: 22 typedef charT char_type; 23 typedef traits traits_type; 24 typedef typename traits_type::int_type int_type; 25 typedef typename traits_type::pos_type pos_type; 26 typedef typename traits_type::off_type off_type; 27 typedef Allocator allocator_type; 28 29 // 27.8.1.1 Constructors: 30 explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out); 31 explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str, 32 ios_base::openmode which = ios_base::in | ios_base::out); 33 basic_stringbuf(basic_stringbuf&& rhs); 34 35 // 27.8.1.2 Assign and swap: 36 basic_stringbuf& operator=(basic_stringbuf&& rhs); 37 void swap(basic_stringbuf& rhs); 38 39 // 27.8.1.3 Get and set: 40 basic_string<char_type, traits_type, allocator_type> str() const; 41 void str(const basic_string<char_type, traits_type, allocator_type>& s); 42 43 protected: 44 // 27.8.1.4 Overridden virtual functions: 45 virtual int_type underflow(); 46 virtual int_type pbackfail(int_type c = traits_type::eof()); 47 virtual int_type overflow (int_type c = traits_type::eof()); 48 virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize); 49 virtual pos_type seekoff(off_type off, ios_base::seekdir way, 50 ios_base::openmode which = ios_base::in | ios_base::out); 51 virtual pos_type seekpos(pos_type sp, 52 ios_base::openmode which = ios_base::in | ios_base::out); 53 }; 54 55 template <class charT, class traits, class Allocator> 56 void swap(basic_stringbuf<charT, traits, Allocator>& x, 57 basic_stringbuf<charT, traits, Allocator>& y); 58 59 typedef basic_stringbuf<char> stringbuf; 60 typedef basic_stringbuf<wchar_t> wstringbuf; 61 62 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 63 class basic_istringstream 64 : public basic_istream<charT, traits> 65 { 66 public: 67 typedef charT char_type; 68 typedef traits traits_type; 69 typedef typename traits_type::int_type int_type; 70 typedef typename traits_type::pos_type pos_type; 71 typedef typename traits_type::off_type off_type; 72 typedef Allocator allocator_type; 73 74 // 27.8.2.1 Constructors: 75 explicit basic_istringstream(ios_base::openmode which = ios_base::in); 76 explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str, 77 ios_base::openmode which = ios_base::in); 78 basic_istringstream(basic_istringstream&& rhs); 79 80 // 27.8.2.2 Assign and swap: 81 basic_istringstream& operator=(basic_istringstream&& rhs); 82 void swap(basic_istringstream& rhs); 83 84 // 27.8.2.3 Members: 85 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 86 basic_string<char_type, traits_type, allocator_type> str() const; 87 void str(const basic_string<char_type, traits_type, allocator_type>& s); 88 }; 89 90 template <class charT, class traits, class Allocator> 91 void swap(basic_istringstream<charT, traits, Allocator>& x, 92 basic_istringstream<charT, traits, Allocator>& y); 93 94 typedef basic_istringstream<char> istringstream; 95 typedef basic_istringstream<wchar_t> wistringstream; 96 97 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 98 class basic_ostringstream 99 : public basic_ostream<charT, traits> 100 { 101 public: 102 // types: 103 typedef charT char_type; 104 typedef traits traits_type; 105 typedef typename traits_type::int_type int_type; 106 typedef typename traits_type::pos_type pos_type; 107 typedef typename traits_type::off_type off_type; 108 typedef Allocator allocator_type; 109 110 // 27.8.3.1 Constructors/destructor: 111 explicit basic_ostringstream(ios_base::openmode which = ios_base::out); 112 explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str, 113 ios_base::openmode which = ios_base::out); 114 basic_ostringstream(basic_ostringstream&& rhs); 115 116 // 27.8.3.2 Assign/swap: 117 basic_ostringstream& operator=(basic_ostringstream&& rhs); 118 void swap(basic_ostringstream& rhs); 119 120 // 27.8.3.3 Members: 121 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 122 basic_string<char_type, traits_type, allocator_type> str() const; 123 void str(const basic_string<char_type, traits_type, allocator_type>& s); 124 }; 125 126 template <class charT, class traits, class Allocator> 127 void swap(basic_ostringstream<charT, traits, Allocator>& x, 128 basic_ostringstream<charT, traits, Allocator>& y); 129 130 typedef basic_ostringstream<char> ostringstream; 131 typedef basic_ostringstream<wchar_t> wostringstream; 132 133 template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> > 134 class basic_stringstream 135 : public basic_iostream<charT, traits> 136 { 137 public: 138 // types: 139 typedef charT char_type; 140 typedef traits traits_type; 141 typedef typename traits_type::int_type int_type; 142 typedef typename traits_type::pos_type pos_type; 143 typedef typename traits_type::off_type off_type; 144 typedef Allocator allocator_type; 145 146 // constructors/destructor 147 explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in); 148 explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str, 149 ios_base::openmode which = ios_base::out|ios_base::in); 150 basic_stringstream(basic_stringstream&& rhs); 151 152 // 27.8.5.1 Assign/swap: 153 basic_stringstream& operator=(basic_stringstream&& rhs); 154 void swap(basic_stringstream& rhs); 155 156 // Members: 157 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 158 basic_string<char_type, traits_type, allocator_type> str() const; 159 void str(const basic_string<char_type, traits_type, allocator_type>& str); 160 }; 161 162 template <class charT, class traits, class Allocator> 163 void swap(basic_stringstream<charT, traits, Allocator>& x, 164 basic_stringstream<charT, traits, Allocator>& y); 165 166 typedef basic_stringstream<char> stringstream; 167 typedef basic_stringstream<wchar_t> wstringstream; 168 169 } // std 170 171 */ 172 173 #include <__config> 174 #include <ostream> 175 #include <istream> 176 #include <string> 177 178 #include <__undef_min_max> 179 180 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 181 #pragma GCC system_header 182 #endif 183 184 _LIBCPP_BEGIN_NAMESPACE_STD 185 186 // basic_stringbuf 187 188 template <class _CharT, class _Traits, class _Allocator> 189 class _LIBCPP_TYPE_VIS_ONLY basic_stringbuf 190 : public basic_streambuf<_CharT, _Traits> 191 { 192 public: 193 typedef _CharT char_type; 194 typedef _Traits traits_type; 195 typedef typename traits_type::int_type int_type; 196 typedef typename traits_type::pos_type pos_type; 197 typedef typename traits_type::off_type off_type; 198 typedef _Allocator allocator_type; 199 200 typedef basic_string<char_type, traits_type, allocator_type> string_type; 201 202 private: 203 204 string_type __str_; 205 mutable char_type* __hm_; 206 ios_base::openmode __mode_; 207 208 public: 209 // 27.8.1.1 Constructors: 210 explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out); 211 explicit basic_stringbuf(const string_type& __s, 212 ios_base::openmode __wch = ios_base::in | ios_base::out); 213 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 214 basic_stringbuf(basic_stringbuf&& __rhs); 215 #endif 216 217 // 27.8.1.2 Assign and swap: 218 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 219 basic_stringbuf& operator=(basic_stringbuf&& __rhs); 220 #endif 221 void swap(basic_stringbuf& __rhs); 222 223 // 27.8.1.3 Get and set: 224 string_type str() const; 225 void str(const string_type& __s); 226 227 protected: 228 // 27.8.1.4 Overridden virtual functions: 229 virtual int_type underflow(); 230 virtual int_type pbackfail(int_type __c = traits_type::eof()); 231 virtual int_type overflow (int_type __c = traits_type::eof()); 232 virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 233 ios_base::openmode __wch = ios_base::in | ios_base::out); 234 virtual pos_type seekpos(pos_type __sp, 235 ios_base::openmode __wch = ios_base::in | ios_base::out); 236 }; 237 238 template <class _CharT, class _Traits, class _Allocator> 239 inline _LIBCPP_INLINE_VISIBILITY 240 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch) 241 : __hm_(0), 242 __mode_(__wch) 243 { 244 str(string_type()); 245 } 246 247 template <class _CharT, class _Traits, class _Allocator> 248 inline _LIBCPP_INLINE_VISIBILITY 249 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s, 250 ios_base::openmode __wch) 251 : __hm_(0), 252 __mode_(__wch) 253 { 254 str(__s); 255 } 256 257 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 258 259 template <class _CharT, class _Traits, class _Allocator> 260 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs) 261 : __mode_(__rhs.__mode_) 262 { 263 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 264 ptrdiff_t __binp = -1; 265 ptrdiff_t __ninp = -1; 266 ptrdiff_t __einp = -1; 267 if (__rhs.eback() != nullptr) 268 { 269 __binp = __rhs.eback() - __p; 270 __ninp = __rhs.gptr() - __p; 271 __einp = __rhs.egptr() - __p; 272 } 273 ptrdiff_t __bout = -1; 274 ptrdiff_t __nout = -1; 275 ptrdiff_t __eout = -1; 276 if (__rhs.pbase() != nullptr) 277 { 278 __bout = __rhs.pbase() - __p; 279 __nout = __rhs.pptr() - __p; 280 __eout = __rhs.epptr() - __p; 281 } 282 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 283 __str_ = _VSTD::move(__rhs.__str_); 284 __p = const_cast<char_type*>(__str_.data()); 285 if (__binp != -1) 286 this->setg(__p + __binp, __p + __ninp, __p + __einp); 287 if (__bout != -1) 288 { 289 this->setp(__p + __bout, __p + __eout); 290 this->pbump(__nout); 291 } 292 __hm_ = __hm == -1 ? nullptr : __p + __hm; 293 __p = const_cast<char_type*>(__rhs.__str_.data()); 294 __rhs.setg(__p, __p, __p); 295 __rhs.setp(__p, __p); 296 __rhs.__hm_ = __p; 297 this->pubimbue(__rhs.getloc()); 298 } 299 300 template <class _CharT, class _Traits, class _Allocator> 301 basic_stringbuf<_CharT, _Traits, _Allocator>& 302 basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs) 303 { 304 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 305 ptrdiff_t __binp = -1; 306 ptrdiff_t __ninp = -1; 307 ptrdiff_t __einp = -1; 308 if (__rhs.eback() != nullptr) 309 { 310 __binp = __rhs.eback() - __p; 311 __ninp = __rhs.gptr() - __p; 312 __einp = __rhs.egptr() - __p; 313 } 314 ptrdiff_t __bout = -1; 315 ptrdiff_t __nout = -1; 316 ptrdiff_t __eout = -1; 317 if (__rhs.pbase() != nullptr) 318 { 319 __bout = __rhs.pbase() - __p; 320 __nout = __rhs.pptr() - __p; 321 __eout = __rhs.epptr() - __p; 322 } 323 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 324 __str_ = _VSTD::move(__rhs.__str_); 325 __p = const_cast<char_type*>(__str_.data()); 326 if (__binp != -1) 327 this->setg(__p + __binp, __p + __ninp, __p + __einp); 328 if (__bout != -1) 329 { 330 this->setp(__p + __bout, __p + __eout); 331 this->pbump(__nout); 332 } 333 __hm_ = __hm == -1 ? nullptr : __p + __hm; 334 __mode_ = __rhs.__mode_; 335 __p = const_cast<char_type*>(__rhs.__str_.data()); 336 __rhs.setg(__p, __p, __p); 337 __rhs.setp(__p, __p); 338 __rhs.__hm_ = __p; 339 this->pubimbue(__rhs.getloc()); 340 return *this; 341 } 342 343 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 344 345 template <class _CharT, class _Traits, class _Allocator> 346 void 347 basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs) 348 { 349 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 350 ptrdiff_t __rbinp = -1; 351 ptrdiff_t __rninp = -1; 352 ptrdiff_t __reinp = -1; 353 if (__rhs.eback() != nullptr) 354 { 355 __rbinp = __rhs.eback() - __p; 356 __rninp = __rhs.gptr() - __p; 357 __reinp = __rhs.egptr() - __p; 358 } 359 ptrdiff_t __rbout = -1; 360 ptrdiff_t __rnout = -1; 361 ptrdiff_t __reout = -1; 362 if (__rhs.pbase() != nullptr) 363 { 364 __rbout = __rhs.pbase() - __p; 365 __rnout = __rhs.pptr() - __p; 366 __reout = __rhs.epptr() - __p; 367 } 368 ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 369 __p = const_cast<char_type*>(__str_.data()); 370 ptrdiff_t __lbinp = -1; 371 ptrdiff_t __lninp = -1; 372 ptrdiff_t __leinp = -1; 373 if (this->eback() != nullptr) 374 { 375 __lbinp = this->eback() - __p; 376 __lninp = this->gptr() - __p; 377 __leinp = this->egptr() - __p; 378 } 379 ptrdiff_t __lbout = -1; 380 ptrdiff_t __lnout = -1; 381 ptrdiff_t __leout = -1; 382 if (this->pbase() != nullptr) 383 { 384 __lbout = this->pbase() - __p; 385 __lnout = this->pptr() - __p; 386 __leout = this->epptr() - __p; 387 } 388 ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; 389 _VSTD::swap(__mode_, __rhs.__mode_); 390 __str_.swap(__rhs.__str_); 391 __p = const_cast<char_type*>(__str_.data()); 392 if (__rbinp != -1) 393 this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); 394 else 395 this->setg(nullptr, nullptr, nullptr); 396 if (__rbout != -1) 397 { 398 this->setp(__p + __rbout, __p + __reout); 399 this->pbump(__rnout); 400 } 401 else 402 this->setp(nullptr, nullptr); 403 __hm_ = __rhm == -1 ? nullptr : __p + __rhm; 404 __p = const_cast<char_type*>(__rhs.__str_.data()); 405 if (__lbinp != -1) 406 __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); 407 else 408 __rhs.setg(nullptr, nullptr, nullptr); 409 if (__lbout != -1) 410 { 411 __rhs.setp(__p + __lbout, __p + __leout); 412 __rhs.pbump(__lnout); 413 } 414 else 415 __rhs.setp(nullptr, nullptr); 416 __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; 417 locale __tl = __rhs.getloc(); 418 __rhs.pubimbue(this->getloc()); 419 this->pubimbue(__tl); 420 } 421 422 template <class _CharT, class _Traits, class _Allocator> 423 inline _LIBCPP_INLINE_VISIBILITY 424 void 425 swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, 426 basic_stringbuf<_CharT, _Traits, _Allocator>& __y) 427 { 428 __x.swap(__y); 429 } 430 431 template <class _CharT, class _Traits, class _Allocator> 432 basic_string<_CharT, _Traits, _Allocator> 433 basic_stringbuf<_CharT, _Traits, _Allocator>::str() const 434 { 435 if (__mode_ & ios_base::out) 436 { 437 if (__hm_ < this->pptr()) 438 __hm_ = this->pptr(); 439 return string_type(this->pbase(), __hm_, __str_.get_allocator()); 440 } 441 else if (__mode_ & ios_base::in) 442 return string_type(this->eback(), this->egptr(), __str_.get_allocator()); 443 return string_type(__str_.get_allocator()); 444 } 445 446 template <class _CharT, class _Traits, class _Allocator> 447 void 448 basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s) 449 { 450 __str_ = __s; 451 __hm_ = 0; 452 if (__mode_ & ios_base::in) 453 { 454 __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size(); 455 this->setg(const_cast<char_type*>(__str_.data()), 456 const_cast<char_type*>(__str_.data()), 457 __hm_); 458 } 459 if (__mode_ & ios_base::out) 460 { 461 typename string_type::size_type __sz = __str_.size(); 462 __hm_ = const_cast<char_type*>(__str_.data()) + __sz; 463 __str_.resize(__str_.capacity()); 464 this->setp(const_cast<char_type*>(__str_.data()), 465 const_cast<char_type*>(__str_.data()) + __str_.size()); 466 if (__mode_ & (ios_base::app | ios_base::ate)) 467 this->pbump(__sz); 468 } 469 } 470 471 template <class _CharT, class _Traits, class _Allocator> 472 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 473 basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() 474 { 475 if (__hm_ < this->pptr()) 476 __hm_ = this->pptr(); 477 if (__mode_ & ios_base::in) 478 { 479 if (this->egptr() < __hm_) 480 this->setg(this->eback(), this->gptr(), __hm_); 481 if (this->gptr() < this->egptr()) 482 return traits_type::to_int_type(*this->gptr()); 483 } 484 return traits_type::eof(); 485 } 486 487 template <class _CharT, class _Traits, class _Allocator> 488 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 489 basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) 490 { 491 if (__hm_ < this->pptr()) 492 __hm_ = this->pptr(); 493 if (this->eback() < this->gptr()) 494 { 495 if (traits_type::eq_int_type(__c, traits_type::eof())) 496 { 497 this->setg(this->eback(), this->gptr()-1, __hm_); 498 return traits_type::not_eof(__c); 499 } 500 if ((__mode_ & ios_base::out) || 501 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 502 { 503 this->setg(this->eback(), this->gptr()-1, __hm_); 504 *this->gptr() = traits_type::to_char_type(__c); 505 return __c; 506 } 507 } 508 return traits_type::eof(); 509 } 510 511 template <class _CharT, class _Traits, class _Allocator> 512 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 513 basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) 514 { 515 if (!traits_type::eq_int_type(__c, traits_type::eof())) 516 { 517 ptrdiff_t __ninp = this->gptr() - this->eback(); 518 if (this->pptr() == this->epptr()) 519 { 520 if (!(__mode_ & ios_base::out)) 521 return traits_type::eof(); 522 #ifndef _LIBCPP_NO_EXCEPTIONS 523 try 524 { 525 #endif // _LIBCPP_NO_EXCEPTIONS 526 ptrdiff_t __nout = this->pptr() - this->pbase(); 527 ptrdiff_t __hm = __hm_ - this->pbase(); 528 __str_.push_back(char_type()); 529 __str_.resize(__str_.capacity()); 530 char_type* __p = const_cast<char_type*>(__str_.data()); 531 this->setp(__p, __p + __str_.size()); 532 this->pbump(__nout); 533 __hm_ = this->pbase() + __hm; 534 #ifndef _LIBCPP_NO_EXCEPTIONS 535 } 536 catch (...) 537 { 538 return traits_type::eof(); 539 } 540 #endif // _LIBCPP_NO_EXCEPTIONS 541 } 542 __hm_ = _VSTD::max(this->pptr() + 1, __hm_); 543 if (__mode_ & ios_base::in) 544 { 545 char_type* __p = const_cast<char_type*>(__str_.data()); 546 this->setg(__p, __p + __ninp, __hm_); 547 } 548 return this->sputc(__c); 549 } 550 return traits_type::not_eof(__c); 551 } 552 553 template <class _CharT, class _Traits, class _Allocator> 554 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 555 basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, 556 ios_base::seekdir __way, 557 ios_base::openmode __wch) 558 { 559 if (__hm_ < this->pptr()) 560 __hm_ = this->pptr(); 561 if ((__wch & (ios_base::in | ios_base::out)) == 0) 562 return pos_type(-1); 563 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) 564 && __way == ios_base::cur) 565 return pos_type(-1); 566 off_type __noff; 567 switch (__way) 568 { 569 case ios_base::beg: 570 __noff = 0; 571 break; 572 case ios_base::cur: 573 if (__wch & ios_base::in) 574 __noff = this->gptr() - this->eback(); 575 else 576 __noff = this->pptr() - this->pbase(); 577 break; 578 case ios_base::end: 579 __noff = __hm_ - __str_.data(); 580 break; 581 default: 582 return pos_type(-1); 583 } 584 __noff += __off; 585 if (__noff < 0 || __hm_ - __str_.data() < __noff) 586 return pos_type(-1); 587 if (__noff != 0) 588 { 589 if ((__wch & ios_base::in) && this->gptr() == 0) 590 return pos_type(-1); 591 if ((__wch & ios_base::out) && this->pptr() == 0) 592 return pos_type(-1); 593 } 594 if (__wch & ios_base::in) 595 this->setg(this->eback(), this->eback() + __noff, __hm_); 596 if (__wch & ios_base::out) 597 { 598 this->setp(this->pbase(), this->epptr()); 599 this->pbump(__noff); 600 } 601 return pos_type(__noff); 602 } 603 604 template <class _CharT, class _Traits, class _Allocator> 605 inline _LIBCPP_INLINE_VISIBILITY 606 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 607 basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp, 608 ios_base::openmode __wch) 609 { 610 return seekoff(__sp, ios_base::beg, __wch); 611 } 612 613 // basic_istringstream 614 615 template <class _CharT, class _Traits, class _Allocator> 616 class _LIBCPP_TYPE_VIS_ONLY basic_istringstream 617 : public basic_istream<_CharT, _Traits> 618 { 619 public: 620 typedef _CharT char_type; 621 typedef _Traits traits_type; 622 typedef typename traits_type::int_type int_type; 623 typedef typename traits_type::pos_type pos_type; 624 typedef typename traits_type::off_type off_type; 625 typedef _Allocator allocator_type; 626 627 typedef basic_string<char_type, traits_type, allocator_type> string_type; 628 629 private: 630 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 631 632 public: 633 // 27.8.2.1 Constructors: 634 explicit basic_istringstream(ios_base::openmode __wch = ios_base::in); 635 explicit basic_istringstream(const string_type& __s, 636 ios_base::openmode __wch = ios_base::in); 637 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 638 basic_istringstream(basic_istringstream&& __rhs); 639 640 // 27.8.2.2 Assign and swap: 641 basic_istringstream& operator=(basic_istringstream&& __rhs); 642 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 643 void swap(basic_istringstream& __rhs); 644 645 // 27.8.2.3 Members: 646 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 647 string_type str() const; 648 void str(const string_type& __s); 649 }; 650 651 template <class _CharT, class _Traits, class _Allocator> 652 inline _LIBCPP_INLINE_VISIBILITY 653 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch) 654 : basic_istream<_CharT, _Traits>(&__sb_), 655 __sb_(__wch | ios_base::in) 656 { 657 } 658 659 template <class _CharT, class _Traits, class _Allocator> 660 inline _LIBCPP_INLINE_VISIBILITY 661 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s, 662 ios_base::openmode __wch) 663 : basic_istream<_CharT, _Traits>(&__sb_), 664 __sb_(__s, __wch | ios_base::in) 665 { 666 } 667 668 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 669 670 template <class _CharT, class _Traits, class _Allocator> 671 inline _LIBCPP_INLINE_VISIBILITY 672 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs) 673 : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)), 674 __sb_(_VSTD::move(__rhs.__sb_)) 675 { 676 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 677 } 678 679 template <class _CharT, class _Traits, class _Allocator> 680 basic_istringstream<_CharT, _Traits, _Allocator>& 681 basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs) 682 { 683 basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 684 __sb_ = _VSTD::move(__rhs.__sb_); 685 return *this; 686 } 687 688 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 689 690 template <class _CharT, class _Traits, class _Allocator> 691 inline _LIBCPP_INLINE_VISIBILITY 692 void 693 basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs) 694 { 695 basic_istream<char_type, traits_type>::swap(__rhs); 696 __sb_.swap(__rhs.__sb_); 697 } 698 699 template <class _CharT, class _Traits, class _Allocator> 700 inline _LIBCPP_INLINE_VISIBILITY 701 void 702 swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, 703 basic_istringstream<_CharT, _Traits, _Allocator>& __y) 704 { 705 __x.swap(__y); 706 } 707 708 template <class _CharT, class _Traits, class _Allocator> 709 inline _LIBCPP_INLINE_VISIBILITY 710 basic_stringbuf<_CharT, _Traits, _Allocator>* 711 basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const 712 { 713 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 714 } 715 716 template <class _CharT, class _Traits, class _Allocator> 717 inline _LIBCPP_INLINE_VISIBILITY 718 basic_string<_CharT, _Traits, _Allocator> 719 basic_istringstream<_CharT, _Traits, _Allocator>::str() const 720 { 721 return __sb_.str(); 722 } 723 724 template <class _CharT, class _Traits, class _Allocator> 725 inline _LIBCPP_INLINE_VISIBILITY 726 void 727 basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 728 { 729 __sb_.str(__s); 730 } 731 732 // basic_ostringstream 733 734 template <class _CharT, class _Traits, class _Allocator> 735 class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream 736 : public basic_ostream<_CharT, _Traits> 737 { 738 public: 739 typedef _CharT char_type; 740 typedef _Traits traits_type; 741 typedef typename traits_type::int_type int_type; 742 typedef typename traits_type::pos_type pos_type; 743 typedef typename traits_type::off_type off_type; 744 typedef _Allocator allocator_type; 745 746 typedef basic_string<char_type, traits_type, allocator_type> string_type; 747 748 private: 749 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 750 751 public: 752 // 27.8.2.1 Constructors: 753 explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out); 754 explicit basic_ostringstream(const string_type& __s, 755 ios_base::openmode __wch = ios_base::out); 756 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 757 basic_ostringstream(basic_ostringstream&& __rhs); 758 759 // 27.8.2.2 Assign and swap: 760 basic_ostringstream& operator=(basic_ostringstream&& __rhs); 761 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 762 void swap(basic_ostringstream& __rhs); 763 764 // 27.8.2.3 Members: 765 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 766 string_type str() const; 767 void str(const string_type& __s); 768 }; 769 770 template <class _CharT, class _Traits, class _Allocator> 771 inline _LIBCPP_INLINE_VISIBILITY 772 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch) 773 : basic_ostream<_CharT, _Traits>(&__sb_), 774 __sb_(__wch | ios_base::out) 775 { 776 } 777 778 template <class _CharT, class _Traits, class _Allocator> 779 inline _LIBCPP_INLINE_VISIBILITY 780 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s, 781 ios_base::openmode __wch) 782 : basic_ostream<_CharT, _Traits>(&__sb_), 783 __sb_(__s, __wch | ios_base::out) 784 { 785 } 786 787 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 788 789 template <class _CharT, class _Traits, class _Allocator> 790 inline _LIBCPP_INLINE_VISIBILITY 791 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs) 792 : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)), 793 __sb_(_VSTD::move(__rhs.__sb_)) 794 { 795 basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_); 796 } 797 798 template <class _CharT, class _Traits, class _Allocator> 799 basic_ostringstream<_CharT, _Traits, _Allocator>& 800 basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs) 801 { 802 basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 803 __sb_ = _VSTD::move(__rhs.__sb_); 804 return *this; 805 } 806 807 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 808 809 template <class _CharT, class _Traits, class _Allocator> 810 inline _LIBCPP_INLINE_VISIBILITY 811 void 812 basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs) 813 { 814 basic_ostream<char_type, traits_type>::swap(__rhs); 815 __sb_.swap(__rhs.__sb_); 816 } 817 818 template <class _CharT, class _Traits, class _Allocator> 819 inline _LIBCPP_INLINE_VISIBILITY 820 void 821 swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, 822 basic_ostringstream<_CharT, _Traits, _Allocator>& __y) 823 { 824 __x.swap(__y); 825 } 826 827 template <class _CharT, class _Traits, class _Allocator> 828 inline _LIBCPP_INLINE_VISIBILITY 829 basic_stringbuf<_CharT, _Traits, _Allocator>* 830 basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const 831 { 832 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 833 } 834 835 template <class _CharT, class _Traits, class _Allocator> 836 inline _LIBCPP_INLINE_VISIBILITY 837 basic_string<_CharT, _Traits, _Allocator> 838 basic_ostringstream<_CharT, _Traits, _Allocator>::str() const 839 { 840 return __sb_.str(); 841 } 842 843 template <class _CharT, class _Traits, class _Allocator> 844 inline _LIBCPP_INLINE_VISIBILITY 845 void 846 basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 847 { 848 __sb_.str(__s); 849 } 850 851 // basic_stringstream 852 853 template <class _CharT, class _Traits, class _Allocator> 854 class _LIBCPP_TYPE_VIS_ONLY basic_stringstream 855 : public basic_iostream<_CharT, _Traits> 856 { 857 public: 858 typedef _CharT char_type; 859 typedef _Traits traits_type; 860 typedef typename traits_type::int_type int_type; 861 typedef typename traits_type::pos_type pos_type; 862 typedef typename traits_type::off_type off_type; 863 typedef _Allocator allocator_type; 864 865 typedef basic_string<char_type, traits_type, allocator_type> string_type; 866 867 private: 868 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 869 870 public: 871 // 27.8.2.1 Constructors: 872 explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out); 873 explicit basic_stringstream(const string_type& __s, 874 ios_base::openmode __wch = ios_base::in | ios_base::out); 875 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 876 basic_stringstream(basic_stringstream&& __rhs); 877 878 // 27.8.2.2 Assign and swap: 879 basic_stringstream& operator=(basic_stringstream&& __rhs); 880 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 881 void swap(basic_stringstream& __rhs); 882 883 // 27.8.2.3 Members: 884 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 885 string_type str() const; 886 void str(const string_type& __s); 887 }; 888 889 template <class _CharT, class _Traits, class _Allocator> 890 inline _LIBCPP_INLINE_VISIBILITY 891 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch) 892 : basic_iostream<_CharT, _Traits>(&__sb_), 893 __sb_(__wch) 894 { 895 } 896 897 template <class _CharT, class _Traits, class _Allocator> 898 inline _LIBCPP_INLINE_VISIBILITY 899 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s, 900 ios_base::openmode __wch) 901 : basic_iostream<_CharT, _Traits>(&__sb_), 902 __sb_(__s, __wch) 903 { 904 } 905 906 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 907 908 template <class _CharT, class _Traits, class _Allocator> 909 inline _LIBCPP_INLINE_VISIBILITY 910 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs) 911 : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)), 912 __sb_(_VSTD::move(__rhs.__sb_)) 913 { 914 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 915 } 916 917 template <class _CharT, class _Traits, class _Allocator> 918 basic_stringstream<_CharT, _Traits, _Allocator>& 919 basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs) 920 { 921 basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 922 __sb_ = _VSTD::move(__rhs.__sb_); 923 return *this; 924 } 925 926 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 927 928 template <class _CharT, class _Traits, class _Allocator> 929 inline _LIBCPP_INLINE_VISIBILITY 930 void 931 basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs) 932 { 933 basic_iostream<char_type, traits_type>::swap(__rhs); 934 __sb_.swap(__rhs.__sb_); 935 } 936 937 template <class _CharT, class _Traits, class _Allocator> 938 inline _LIBCPP_INLINE_VISIBILITY 939 void 940 swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, 941 basic_stringstream<_CharT, _Traits, _Allocator>& __y) 942 { 943 __x.swap(__y); 944 } 945 946 template <class _CharT, class _Traits, class _Allocator> 947 inline _LIBCPP_INLINE_VISIBILITY 948 basic_stringbuf<_CharT, _Traits, _Allocator>* 949 basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const 950 { 951 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 952 } 953 954 template <class _CharT, class _Traits, class _Allocator> 955 inline _LIBCPP_INLINE_VISIBILITY 956 basic_string<_CharT, _Traits, _Allocator> 957 basic_stringstream<_CharT, _Traits, _Allocator>::str() const 958 { 959 return __sb_.str(); 960 } 961 962 template <class _CharT, class _Traits, class _Allocator> 963 inline _LIBCPP_INLINE_VISIBILITY 964 void 965 basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 966 { 967 __sb_.str(__s); 968 } 969 970 _LIBCPP_END_NAMESPACE_STD 971 972 #endif // _LIBCPP_SSTREAM 973
