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 else 329 this->setg(nullptr, nullptr, nullptr); 330 if (__bout != -1) 331 { 332 this->setp(__p + __bout, __p + __eout); 333 this->pbump(__nout); 334 } 335 else 336 this->setp(nullptr, nullptr); 337 338 __hm_ = __hm == -1 ? nullptr : __p + __hm; 339 __mode_ = __rhs.__mode_; 340 __p = const_cast<char_type*>(__rhs.__str_.data()); 341 __rhs.setg(__p, __p, __p); 342 __rhs.setp(__p, __p); 343 __rhs.__hm_ = __p; 344 this->pubimbue(__rhs.getloc()); 345 return *this; 346 } 347 348 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 349 350 template <class _CharT, class _Traits, class _Allocator> 351 void 352 basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs) 353 { 354 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 355 ptrdiff_t __rbinp = -1; 356 ptrdiff_t __rninp = -1; 357 ptrdiff_t __reinp = -1; 358 if (__rhs.eback() != nullptr) 359 { 360 __rbinp = __rhs.eback() - __p; 361 __rninp = __rhs.gptr() - __p; 362 __reinp = __rhs.egptr() - __p; 363 } 364 ptrdiff_t __rbout = -1; 365 ptrdiff_t __rnout = -1; 366 ptrdiff_t __reout = -1; 367 if (__rhs.pbase() != nullptr) 368 { 369 __rbout = __rhs.pbase() - __p; 370 __rnout = __rhs.pptr() - __p; 371 __reout = __rhs.epptr() - __p; 372 } 373 ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 374 __p = const_cast<char_type*>(__str_.data()); 375 ptrdiff_t __lbinp = -1; 376 ptrdiff_t __lninp = -1; 377 ptrdiff_t __leinp = -1; 378 if (this->eback() != nullptr) 379 { 380 __lbinp = this->eback() - __p; 381 __lninp = this->gptr() - __p; 382 __leinp = this->egptr() - __p; 383 } 384 ptrdiff_t __lbout = -1; 385 ptrdiff_t __lnout = -1; 386 ptrdiff_t __leout = -1; 387 if (this->pbase() != nullptr) 388 { 389 __lbout = this->pbase() - __p; 390 __lnout = this->pptr() - __p; 391 __leout = this->epptr() - __p; 392 } 393 ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; 394 _VSTD::swap(__mode_, __rhs.__mode_); 395 __str_.swap(__rhs.__str_); 396 __p = const_cast<char_type*>(__str_.data()); 397 if (__rbinp != -1) 398 this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); 399 else 400 this->setg(nullptr, nullptr, nullptr); 401 if (__rbout != -1) 402 { 403 this->setp(__p + __rbout, __p + __reout); 404 this->pbump(__rnout); 405 } 406 else 407 this->setp(nullptr, nullptr); 408 __hm_ = __rhm == -1 ? nullptr : __p + __rhm; 409 __p = const_cast<char_type*>(__rhs.__str_.data()); 410 if (__lbinp != -1) 411 __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); 412 else 413 __rhs.setg(nullptr, nullptr, nullptr); 414 if (__lbout != -1) 415 { 416 __rhs.setp(__p + __lbout, __p + __leout); 417 __rhs.pbump(__lnout); 418 } 419 else 420 __rhs.setp(nullptr, nullptr); 421 __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; 422 locale __tl = __rhs.getloc(); 423 __rhs.pubimbue(this->getloc()); 424 this->pubimbue(__tl); 425 } 426 427 template <class _CharT, class _Traits, class _Allocator> 428 inline _LIBCPP_INLINE_VISIBILITY 429 void 430 swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, 431 basic_stringbuf<_CharT, _Traits, _Allocator>& __y) 432 { 433 __x.swap(__y); 434 } 435 436 template <class _CharT, class _Traits, class _Allocator> 437 basic_string<_CharT, _Traits, _Allocator> 438 basic_stringbuf<_CharT, _Traits, _Allocator>::str() const 439 { 440 if (__mode_ & ios_base::out) 441 { 442 if (__hm_ < this->pptr()) 443 __hm_ = this->pptr(); 444 return string_type(this->pbase(), __hm_, __str_.get_allocator()); 445 } 446 else if (__mode_ & ios_base::in) 447 return string_type(this->eback(), this->egptr(), __str_.get_allocator()); 448 return string_type(__str_.get_allocator()); 449 } 450 451 template <class _CharT, class _Traits, class _Allocator> 452 void 453 basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s) 454 { 455 __str_ = __s; 456 __hm_ = 0; 457 if (__mode_ & ios_base::in) 458 { 459 __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size(); 460 this->setg(const_cast<char_type*>(__str_.data()), 461 const_cast<char_type*>(__str_.data()), 462 __hm_); 463 } 464 if (__mode_ & ios_base::out) 465 { 466 typename string_type::size_type __sz = __str_.size(); 467 __hm_ = const_cast<char_type*>(__str_.data()) + __sz; 468 __str_.resize(__str_.capacity()); 469 this->setp(const_cast<char_type*>(__str_.data()), 470 const_cast<char_type*>(__str_.data()) + __str_.size()); 471 if (__mode_ & (ios_base::app | ios_base::ate)) 472 this->pbump(__sz); 473 } 474 } 475 476 template <class _CharT, class _Traits, class _Allocator> 477 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 478 basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() 479 { 480 if (__hm_ < this->pptr()) 481 __hm_ = this->pptr(); 482 if (__mode_ & ios_base::in) 483 { 484 if (this->egptr() < __hm_) 485 this->setg(this->eback(), this->gptr(), __hm_); 486 if (this->gptr() < this->egptr()) 487 return traits_type::to_int_type(*this->gptr()); 488 } 489 return traits_type::eof(); 490 } 491 492 template <class _CharT, class _Traits, class _Allocator> 493 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 494 basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) 495 { 496 if (__hm_ < this->pptr()) 497 __hm_ = this->pptr(); 498 if (this->eback() < this->gptr()) 499 { 500 if (traits_type::eq_int_type(__c, traits_type::eof())) 501 { 502 this->setg(this->eback(), this->gptr()-1, __hm_); 503 return traits_type::not_eof(__c); 504 } 505 if ((__mode_ & ios_base::out) || 506 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 507 { 508 this->setg(this->eback(), this->gptr()-1, __hm_); 509 *this->gptr() = traits_type::to_char_type(__c); 510 return __c; 511 } 512 } 513 return traits_type::eof(); 514 } 515 516 template <class _CharT, class _Traits, class _Allocator> 517 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 518 basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) 519 { 520 if (!traits_type::eq_int_type(__c, traits_type::eof())) 521 { 522 ptrdiff_t __ninp = this->gptr() - this->eback(); 523 if (this->pptr() == this->epptr()) 524 { 525 if (!(__mode_ & ios_base::out)) 526 return traits_type::eof(); 527 #ifndef _LIBCPP_NO_EXCEPTIONS 528 try 529 { 530 #endif // _LIBCPP_NO_EXCEPTIONS 531 ptrdiff_t __nout = this->pptr() - this->pbase(); 532 ptrdiff_t __hm = __hm_ - this->pbase(); 533 __str_.push_back(char_type()); 534 __str_.resize(__str_.capacity()); 535 char_type* __p = const_cast<char_type*>(__str_.data()); 536 this->setp(__p, __p + __str_.size()); 537 this->pbump(__nout); 538 __hm_ = this->pbase() + __hm; 539 #ifndef _LIBCPP_NO_EXCEPTIONS 540 } 541 catch (...) 542 { 543 return traits_type::eof(); 544 } 545 #endif // _LIBCPP_NO_EXCEPTIONS 546 } 547 __hm_ = _VSTD::max(this->pptr() + 1, __hm_); 548 if (__mode_ & ios_base::in) 549 { 550 char_type* __p = const_cast<char_type*>(__str_.data()); 551 this->setg(__p, __p + __ninp, __hm_); 552 } 553 return this->sputc(__c); 554 } 555 return traits_type::not_eof(__c); 556 } 557 558 template <class _CharT, class _Traits, class _Allocator> 559 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 560 basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, 561 ios_base::seekdir __way, 562 ios_base::openmode __wch) 563 { 564 if (__hm_ < this->pptr()) 565 __hm_ = this->pptr(); 566 if ((__wch & (ios_base::in | ios_base::out)) == 0) 567 return pos_type(-1); 568 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) 569 && __way == ios_base::cur) 570 return pos_type(-1); 571 off_type __noff; 572 switch (__way) 573 { 574 case ios_base::beg: 575 __noff = 0; 576 break; 577 case ios_base::cur: 578 if (__wch & ios_base::in) 579 __noff = this->gptr() - this->eback(); 580 else 581 __noff = this->pptr() - this->pbase(); 582 break; 583 case ios_base::end: 584 __noff = __hm_ - __str_.data(); 585 break; 586 default: 587 return pos_type(-1); 588 } 589 __noff += __off; 590 if (__noff < 0 || __hm_ - __str_.data() < __noff) 591 return pos_type(-1); 592 if (__noff != 0) 593 { 594 if ((__wch & ios_base::in) && this->gptr() == 0) 595 return pos_type(-1); 596 if ((__wch & ios_base::out) && this->pptr() == 0) 597 return pos_type(-1); 598 } 599 if (__wch & ios_base::in) 600 this->setg(this->eback(), this->eback() + __noff, __hm_); 601 if (__wch & ios_base::out) 602 { 603 this->setp(this->pbase(), this->epptr()); 604 this->pbump(__noff); 605 } 606 return pos_type(__noff); 607 } 608 609 template <class _CharT, class _Traits, class _Allocator> 610 inline _LIBCPP_INLINE_VISIBILITY 611 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 612 basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp, 613 ios_base::openmode __wch) 614 { 615 return seekoff(__sp, ios_base::beg, __wch); 616 } 617 618 // basic_istringstream 619 620 template <class _CharT, class _Traits, class _Allocator> 621 class _LIBCPP_TYPE_VIS_ONLY basic_istringstream 622 : public basic_istream<_CharT, _Traits> 623 { 624 public: 625 typedef _CharT char_type; 626 typedef _Traits traits_type; 627 typedef typename traits_type::int_type int_type; 628 typedef typename traits_type::pos_type pos_type; 629 typedef typename traits_type::off_type off_type; 630 typedef _Allocator allocator_type; 631 632 typedef basic_string<char_type, traits_type, allocator_type> string_type; 633 634 private: 635 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 636 637 public: 638 // 27.8.2.1 Constructors: 639 explicit basic_istringstream(ios_base::openmode __wch = ios_base::in); 640 explicit basic_istringstream(const string_type& __s, 641 ios_base::openmode __wch = ios_base::in); 642 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 643 basic_istringstream(basic_istringstream&& __rhs); 644 645 // 27.8.2.2 Assign and swap: 646 basic_istringstream& operator=(basic_istringstream&& __rhs); 647 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 648 void swap(basic_istringstream& __rhs); 649 650 // 27.8.2.3 Members: 651 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 652 string_type str() const; 653 void str(const string_type& __s); 654 }; 655 656 template <class _CharT, class _Traits, class _Allocator> 657 inline _LIBCPP_INLINE_VISIBILITY 658 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch) 659 : basic_istream<_CharT, _Traits>(&__sb_), 660 __sb_(__wch | ios_base::in) 661 { 662 } 663 664 template <class _CharT, class _Traits, class _Allocator> 665 inline _LIBCPP_INLINE_VISIBILITY 666 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s, 667 ios_base::openmode __wch) 668 : basic_istream<_CharT, _Traits>(&__sb_), 669 __sb_(__s, __wch | ios_base::in) 670 { 671 } 672 673 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 674 675 template <class _CharT, class _Traits, class _Allocator> 676 inline _LIBCPP_INLINE_VISIBILITY 677 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs) 678 : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)), 679 __sb_(_VSTD::move(__rhs.__sb_)) 680 { 681 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 682 } 683 684 template <class _CharT, class _Traits, class _Allocator> 685 basic_istringstream<_CharT, _Traits, _Allocator>& 686 basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs) 687 { 688 basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 689 __sb_ = _VSTD::move(__rhs.__sb_); 690 return *this; 691 } 692 693 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 694 695 template <class _CharT, class _Traits, class _Allocator> 696 inline _LIBCPP_INLINE_VISIBILITY 697 void 698 basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs) 699 { 700 basic_istream<char_type, traits_type>::swap(__rhs); 701 __sb_.swap(__rhs.__sb_); 702 } 703 704 template <class _CharT, class _Traits, class _Allocator> 705 inline _LIBCPP_INLINE_VISIBILITY 706 void 707 swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, 708 basic_istringstream<_CharT, _Traits, _Allocator>& __y) 709 { 710 __x.swap(__y); 711 } 712 713 template <class _CharT, class _Traits, class _Allocator> 714 inline _LIBCPP_INLINE_VISIBILITY 715 basic_stringbuf<_CharT, _Traits, _Allocator>* 716 basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const 717 { 718 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 719 } 720 721 template <class _CharT, class _Traits, class _Allocator> 722 inline _LIBCPP_INLINE_VISIBILITY 723 basic_string<_CharT, _Traits, _Allocator> 724 basic_istringstream<_CharT, _Traits, _Allocator>::str() const 725 { 726 return __sb_.str(); 727 } 728 729 template <class _CharT, class _Traits, class _Allocator> 730 inline _LIBCPP_INLINE_VISIBILITY 731 void 732 basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 733 { 734 __sb_.str(__s); 735 } 736 737 // basic_ostringstream 738 739 template <class _CharT, class _Traits, class _Allocator> 740 class _LIBCPP_TYPE_VIS_ONLY basic_ostringstream 741 : public basic_ostream<_CharT, _Traits> 742 { 743 public: 744 typedef _CharT char_type; 745 typedef _Traits traits_type; 746 typedef typename traits_type::int_type int_type; 747 typedef typename traits_type::pos_type pos_type; 748 typedef typename traits_type::off_type off_type; 749 typedef _Allocator allocator_type; 750 751 typedef basic_string<char_type, traits_type, allocator_type> string_type; 752 753 private: 754 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 755 756 public: 757 // 27.8.2.1 Constructors: 758 explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out); 759 explicit basic_ostringstream(const string_type& __s, 760 ios_base::openmode __wch = ios_base::out); 761 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 762 basic_ostringstream(basic_ostringstream&& __rhs); 763 764 // 27.8.2.2 Assign and swap: 765 basic_ostringstream& operator=(basic_ostringstream&& __rhs); 766 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 767 void swap(basic_ostringstream& __rhs); 768 769 // 27.8.2.3 Members: 770 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 771 string_type str() const; 772 void str(const string_type& __s); 773 }; 774 775 template <class _CharT, class _Traits, class _Allocator> 776 inline _LIBCPP_INLINE_VISIBILITY 777 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch) 778 : basic_ostream<_CharT, _Traits>(&__sb_), 779 __sb_(__wch | ios_base::out) 780 { 781 } 782 783 template <class _CharT, class _Traits, class _Allocator> 784 inline _LIBCPP_INLINE_VISIBILITY 785 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s, 786 ios_base::openmode __wch) 787 : basic_ostream<_CharT, _Traits>(&__sb_), 788 __sb_(__s, __wch | ios_base::out) 789 { 790 } 791 792 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 793 794 template <class _CharT, class _Traits, class _Allocator> 795 inline _LIBCPP_INLINE_VISIBILITY 796 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs) 797 : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)), 798 __sb_(_VSTD::move(__rhs.__sb_)) 799 { 800 basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_); 801 } 802 803 template <class _CharT, class _Traits, class _Allocator> 804 basic_ostringstream<_CharT, _Traits, _Allocator>& 805 basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs) 806 { 807 basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 808 __sb_ = _VSTD::move(__rhs.__sb_); 809 return *this; 810 } 811 812 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 813 814 template <class _CharT, class _Traits, class _Allocator> 815 inline _LIBCPP_INLINE_VISIBILITY 816 void 817 basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs) 818 { 819 basic_ostream<char_type, traits_type>::swap(__rhs); 820 __sb_.swap(__rhs.__sb_); 821 } 822 823 template <class _CharT, class _Traits, class _Allocator> 824 inline _LIBCPP_INLINE_VISIBILITY 825 void 826 swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, 827 basic_ostringstream<_CharT, _Traits, _Allocator>& __y) 828 { 829 __x.swap(__y); 830 } 831 832 template <class _CharT, class _Traits, class _Allocator> 833 inline _LIBCPP_INLINE_VISIBILITY 834 basic_stringbuf<_CharT, _Traits, _Allocator>* 835 basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const 836 { 837 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 838 } 839 840 template <class _CharT, class _Traits, class _Allocator> 841 inline _LIBCPP_INLINE_VISIBILITY 842 basic_string<_CharT, _Traits, _Allocator> 843 basic_ostringstream<_CharT, _Traits, _Allocator>::str() const 844 { 845 return __sb_.str(); 846 } 847 848 template <class _CharT, class _Traits, class _Allocator> 849 inline _LIBCPP_INLINE_VISIBILITY 850 void 851 basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 852 { 853 __sb_.str(__s); 854 } 855 856 // basic_stringstream 857 858 template <class _CharT, class _Traits, class _Allocator> 859 class _LIBCPP_TYPE_VIS_ONLY basic_stringstream 860 : public basic_iostream<_CharT, _Traits> 861 { 862 public: 863 typedef _CharT char_type; 864 typedef _Traits traits_type; 865 typedef typename traits_type::int_type int_type; 866 typedef typename traits_type::pos_type pos_type; 867 typedef typename traits_type::off_type off_type; 868 typedef _Allocator allocator_type; 869 870 typedef basic_string<char_type, traits_type, allocator_type> string_type; 871 872 private: 873 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 874 875 public: 876 // 27.8.2.1 Constructors: 877 explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out); 878 explicit basic_stringstream(const string_type& __s, 879 ios_base::openmode __wch = ios_base::in | ios_base::out); 880 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 881 basic_stringstream(basic_stringstream&& __rhs); 882 883 // 27.8.2.2 Assign and swap: 884 basic_stringstream& operator=(basic_stringstream&& __rhs); 885 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 886 void swap(basic_stringstream& __rhs); 887 888 // 27.8.2.3 Members: 889 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 890 string_type str() const; 891 void str(const string_type& __s); 892 }; 893 894 template <class _CharT, class _Traits, class _Allocator> 895 inline _LIBCPP_INLINE_VISIBILITY 896 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch) 897 : basic_iostream<_CharT, _Traits>(&__sb_), 898 __sb_(__wch) 899 { 900 } 901 902 template <class _CharT, class _Traits, class _Allocator> 903 inline _LIBCPP_INLINE_VISIBILITY 904 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s, 905 ios_base::openmode __wch) 906 : basic_iostream<_CharT, _Traits>(&__sb_), 907 __sb_(__s, __wch) 908 { 909 } 910 911 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 912 913 template <class _CharT, class _Traits, class _Allocator> 914 inline _LIBCPP_INLINE_VISIBILITY 915 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs) 916 : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)), 917 __sb_(_VSTD::move(__rhs.__sb_)) 918 { 919 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 920 } 921 922 template <class _CharT, class _Traits, class _Allocator> 923 basic_stringstream<_CharT, _Traits, _Allocator>& 924 basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs) 925 { 926 basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 927 __sb_ = _VSTD::move(__rhs.__sb_); 928 return *this; 929 } 930 931 #endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 932 933 template <class _CharT, class _Traits, class _Allocator> 934 inline _LIBCPP_INLINE_VISIBILITY 935 void 936 basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs) 937 { 938 basic_iostream<char_type, traits_type>::swap(__rhs); 939 __sb_.swap(__rhs.__sb_); 940 } 941 942 template <class _CharT, class _Traits, class _Allocator> 943 inline _LIBCPP_INLINE_VISIBILITY 944 void 945 swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, 946 basic_stringstream<_CharT, _Traits, _Allocator>& __y) 947 { 948 __x.swap(__y); 949 } 950 951 template <class _CharT, class _Traits, class _Allocator> 952 inline _LIBCPP_INLINE_VISIBILITY 953 basic_stringbuf<_CharT, _Traits, _Allocator>* 954 basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const 955 { 956 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 957 } 958 959 template <class _CharT, class _Traits, class _Allocator> 960 inline _LIBCPP_INLINE_VISIBILITY 961 basic_string<_CharT, _Traits, _Allocator> 962 basic_stringstream<_CharT, _Traits, _Allocator>::str() const 963 { 964 return __sb_.str(); 965 } 966 967 template <class _CharT, class _Traits, class _Allocator> 968 inline _LIBCPP_INLINE_VISIBILITY 969 void 970 basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 971 { 972 __sb_.str(__s); 973 } 974 975 _LIBCPP_END_NAMESPACE_STD 976 977 #endif // _LIBCPP_SSTREAM 978
