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 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 179 #pragma GCC system_header 180 #endif 181 182 _LIBCPP_PUSH_MACROS 183 #include <__undef_macros> 184 185 186 _LIBCPP_BEGIN_NAMESPACE_STD 187 188 // basic_stringbuf 189 190 template <class _CharT, class _Traits, class _Allocator> 191 class _LIBCPP_TEMPLATE_VIS basic_stringbuf 192 : public basic_streambuf<_CharT, _Traits> 193 { 194 public: 195 typedef _CharT char_type; 196 typedef _Traits traits_type; 197 typedef typename traits_type::int_type int_type; 198 typedef typename traits_type::pos_type pos_type; 199 typedef typename traits_type::off_type off_type; 200 typedef _Allocator allocator_type; 201 202 typedef basic_string<char_type, traits_type, allocator_type> string_type; 203 204 private: 205 206 string_type __str_; 207 mutable char_type* __hm_; 208 ios_base::openmode __mode_; 209 210 public: 211 // 27.8.1.1 Constructors: 212 inline _LIBCPP_INLINE_VISIBILITY 213 explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out); 214 inline _LIBCPP_INLINE_VISIBILITY 215 explicit basic_stringbuf(const string_type& __s, 216 ios_base::openmode __wch = ios_base::in | ios_base::out); 217 #ifndef _LIBCPP_CXX03_LANG 218 basic_stringbuf(basic_stringbuf&& __rhs); 219 220 // 27.8.1.2 Assign and swap: 221 basic_stringbuf& operator=(basic_stringbuf&& __rhs); 222 #endif 223 void swap(basic_stringbuf& __rhs); 224 225 // 27.8.1.3 Get and set: 226 string_type str() const; 227 void str(const string_type& __s); 228 229 protected: 230 // 27.8.1.4 Overridden virtual functions: 231 virtual int_type underflow(); 232 virtual int_type pbackfail(int_type __c = traits_type::eof()); 233 virtual int_type overflow (int_type __c = traits_type::eof()); 234 virtual pos_type seekoff(off_type __off, ios_base::seekdir __way, 235 ios_base::openmode __wch = ios_base::in | ios_base::out); 236 inline _LIBCPP_INLINE_VISIBILITY 237 virtual pos_type seekpos(pos_type __sp, 238 ios_base::openmode __wch = ios_base::in | ios_base::out); 239 }; 240 241 template <class _CharT, class _Traits, class _Allocator> 242 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch) 243 : __hm_(0), 244 __mode_(__wch) 245 { 246 str(string_type()); 247 } 248 249 template <class _CharT, class _Traits, class _Allocator> 250 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s, 251 ios_base::openmode __wch) 252 : __hm_(0), 253 __mode_(__wch) 254 { 255 str(__s); 256 } 257 258 #ifndef _LIBCPP_CXX03_LANG 259 260 template <class _CharT, class _Traits, class _Allocator> 261 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs) 262 : __mode_(__rhs.__mode_) 263 { 264 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 265 ptrdiff_t __binp = -1; 266 ptrdiff_t __ninp = -1; 267 ptrdiff_t __einp = -1; 268 if (__rhs.eback() != nullptr) 269 { 270 __binp = __rhs.eback() - __p; 271 __ninp = __rhs.gptr() - __p; 272 __einp = __rhs.egptr() - __p; 273 } 274 ptrdiff_t __bout = -1; 275 ptrdiff_t __nout = -1; 276 ptrdiff_t __eout = -1; 277 if (__rhs.pbase() != nullptr) 278 { 279 __bout = __rhs.pbase() - __p; 280 __nout = __rhs.pptr() - __p; 281 __eout = __rhs.epptr() - __p; 282 } 283 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 284 __str_ = _VSTD::move(__rhs.__str_); 285 __p = const_cast<char_type*>(__str_.data()); 286 if (__binp != -1) 287 this->setg(__p + __binp, __p + __ninp, __p + __einp); 288 if (__bout != -1) 289 { 290 this->setp(__p + __bout, __p + __eout); 291 this->pbump(__nout); 292 } 293 __hm_ = __hm == -1 ? nullptr : __p + __hm; 294 __p = const_cast<char_type*>(__rhs.__str_.data()); 295 __rhs.setg(__p, __p, __p); 296 __rhs.setp(__p, __p); 297 __rhs.__hm_ = __p; 298 this->pubimbue(__rhs.getloc()); 299 } 300 301 template <class _CharT, class _Traits, class _Allocator> 302 basic_stringbuf<_CharT, _Traits, _Allocator>& 303 basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs) 304 { 305 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 306 ptrdiff_t __binp = -1; 307 ptrdiff_t __ninp = -1; 308 ptrdiff_t __einp = -1; 309 if (__rhs.eback() != nullptr) 310 { 311 __binp = __rhs.eback() - __p; 312 __ninp = __rhs.gptr() - __p; 313 __einp = __rhs.egptr() - __p; 314 } 315 ptrdiff_t __bout = -1; 316 ptrdiff_t __nout = -1; 317 ptrdiff_t __eout = -1; 318 if (__rhs.pbase() != nullptr) 319 { 320 __bout = __rhs.pbase() - __p; 321 __nout = __rhs.pptr() - __p; 322 __eout = __rhs.epptr() - __p; 323 } 324 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 325 __str_ = _VSTD::move(__rhs.__str_); 326 __p = const_cast<char_type*>(__str_.data()); 327 if (__binp != -1) 328 this->setg(__p + __binp, __p + __ninp, __p + __einp); 329 else 330 this->setg(nullptr, nullptr, nullptr); 331 if (__bout != -1) 332 { 333 this->setp(__p + __bout, __p + __eout); 334 this->pbump(__nout); 335 } 336 else 337 this->setp(nullptr, nullptr); 338 339 __hm_ = __hm == -1 ? nullptr : __p + __hm; 340 __mode_ = __rhs.__mode_; 341 __p = const_cast<char_type*>(__rhs.__str_.data()); 342 __rhs.setg(__p, __p, __p); 343 __rhs.setp(__p, __p); 344 __rhs.__hm_ = __p; 345 this->pubimbue(__rhs.getloc()); 346 return *this; 347 } 348 349 #endif // _LIBCPP_CXX03_LANG 350 351 template <class _CharT, class _Traits, class _Allocator> 352 void 353 basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs) 354 { 355 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 356 ptrdiff_t __rbinp = -1; 357 ptrdiff_t __rninp = -1; 358 ptrdiff_t __reinp = -1; 359 if (__rhs.eback() != nullptr) 360 { 361 __rbinp = __rhs.eback() - __p; 362 __rninp = __rhs.gptr() - __p; 363 __reinp = __rhs.egptr() - __p; 364 } 365 ptrdiff_t __rbout = -1; 366 ptrdiff_t __rnout = -1; 367 ptrdiff_t __reout = -1; 368 if (__rhs.pbase() != nullptr) 369 { 370 __rbout = __rhs.pbase() - __p; 371 __rnout = __rhs.pptr() - __p; 372 __reout = __rhs.epptr() - __p; 373 } 374 ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 375 __p = const_cast<char_type*>(__str_.data()); 376 ptrdiff_t __lbinp = -1; 377 ptrdiff_t __lninp = -1; 378 ptrdiff_t __leinp = -1; 379 if (this->eback() != nullptr) 380 { 381 __lbinp = this->eback() - __p; 382 __lninp = this->gptr() - __p; 383 __leinp = this->egptr() - __p; 384 } 385 ptrdiff_t __lbout = -1; 386 ptrdiff_t __lnout = -1; 387 ptrdiff_t __leout = -1; 388 if (this->pbase() != nullptr) 389 { 390 __lbout = this->pbase() - __p; 391 __lnout = this->pptr() - __p; 392 __leout = this->epptr() - __p; 393 } 394 ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; 395 _VSTD::swap(__mode_, __rhs.__mode_); 396 __str_.swap(__rhs.__str_); 397 __p = const_cast<char_type*>(__str_.data()); 398 if (__rbinp != -1) 399 this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); 400 else 401 this->setg(nullptr, nullptr, nullptr); 402 if (__rbout != -1) 403 { 404 this->setp(__p + __rbout, __p + __reout); 405 this->pbump(__rnout); 406 } 407 else 408 this->setp(nullptr, nullptr); 409 __hm_ = __rhm == -1 ? nullptr : __p + __rhm; 410 __p = const_cast<char_type*>(__rhs.__str_.data()); 411 if (__lbinp != -1) 412 __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); 413 else 414 __rhs.setg(nullptr, nullptr, nullptr); 415 if (__lbout != -1) 416 { 417 __rhs.setp(__p + __lbout, __p + __leout); 418 __rhs.pbump(__lnout); 419 } 420 else 421 __rhs.setp(nullptr, nullptr); 422 __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; 423 locale __tl = __rhs.getloc(); 424 __rhs.pubimbue(this->getloc()); 425 this->pubimbue(__tl); 426 } 427 428 template <class _CharT, class _Traits, class _Allocator> 429 inline _LIBCPP_INLINE_VISIBILITY 430 void 431 swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, 432 basic_stringbuf<_CharT, _Traits, _Allocator>& __y) 433 { 434 __x.swap(__y); 435 } 436 437 template <class _CharT, class _Traits, class _Allocator> 438 basic_string<_CharT, _Traits, _Allocator> 439 basic_stringbuf<_CharT, _Traits, _Allocator>::str() const 440 { 441 if (__mode_ & ios_base::out) 442 { 443 if (__hm_ < this->pptr()) 444 __hm_ = this->pptr(); 445 return string_type(this->pbase(), __hm_, __str_.get_allocator()); 446 } 447 else if (__mode_ & ios_base::in) 448 return string_type(this->eback(), this->egptr(), __str_.get_allocator()); 449 return string_type(__str_.get_allocator()); 450 } 451 452 template <class _CharT, class _Traits, class _Allocator> 453 void 454 basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s) 455 { 456 __str_ = __s; 457 __hm_ = 0; 458 if (__mode_ & ios_base::in) 459 { 460 __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size(); 461 this->setg(const_cast<char_type*>(__str_.data()), 462 const_cast<char_type*>(__str_.data()), 463 __hm_); 464 } 465 if (__mode_ & ios_base::out) 466 { 467 typename string_type::size_type __sz = __str_.size(); 468 __hm_ = const_cast<char_type*>(__str_.data()) + __sz; 469 __str_.resize(__str_.capacity()); 470 this->setp(const_cast<char_type*>(__str_.data()), 471 const_cast<char_type*>(__str_.data()) + __str_.size()); 472 if (__mode_ & (ios_base::app | ios_base::ate)) 473 this->pbump(__sz); 474 } 475 } 476 477 template <class _CharT, class _Traits, class _Allocator> 478 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 479 basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() 480 { 481 if (__hm_ < this->pptr()) 482 __hm_ = this->pptr(); 483 if (__mode_ & ios_base::in) 484 { 485 if (this->egptr() < __hm_) 486 this->setg(this->eback(), this->gptr(), __hm_); 487 if (this->gptr() < this->egptr()) 488 return traits_type::to_int_type(*this->gptr()); 489 } 490 return traits_type::eof(); 491 } 492 493 template <class _CharT, class _Traits, class _Allocator> 494 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 495 basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) 496 { 497 if (__hm_ < this->pptr()) 498 __hm_ = this->pptr(); 499 if (this->eback() < this->gptr()) 500 { 501 if (traits_type::eq_int_type(__c, traits_type::eof())) 502 { 503 this->setg(this->eback(), this->gptr()-1, __hm_); 504 return traits_type::not_eof(__c); 505 } 506 if ((__mode_ & ios_base::out) || 507 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 508 { 509 this->setg(this->eback(), this->gptr()-1, __hm_); 510 *this->gptr() = traits_type::to_char_type(__c); 511 return __c; 512 } 513 } 514 return traits_type::eof(); 515 } 516 517 template <class _CharT, class _Traits, class _Allocator> 518 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 519 basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) 520 { 521 if (!traits_type::eq_int_type(__c, traits_type::eof())) 522 { 523 ptrdiff_t __ninp = this->gptr() - this->eback(); 524 if (this->pptr() == this->epptr()) 525 { 526 if (!(__mode_ & ios_base::out)) 527 return traits_type::eof(); 528 #ifndef _LIBCPP_NO_EXCEPTIONS 529 try 530 { 531 #endif // _LIBCPP_NO_EXCEPTIONS 532 ptrdiff_t __nout = this->pptr() - this->pbase(); 533 ptrdiff_t __hm = __hm_ - this->pbase(); 534 __str_.push_back(char_type()); 535 __str_.resize(__str_.capacity()); 536 char_type* __p = const_cast<char_type*>(__str_.data()); 537 this->setp(__p, __p + __str_.size()); 538 this->pbump(__nout); 539 __hm_ = this->pbase() + __hm; 540 #ifndef _LIBCPP_NO_EXCEPTIONS 541 } 542 catch (...) 543 { 544 return traits_type::eof(); 545 } 546 #endif // _LIBCPP_NO_EXCEPTIONS 547 } 548 __hm_ = _VSTD::max(this->pptr() + 1, __hm_); 549 if (__mode_ & ios_base::in) 550 { 551 char_type* __p = const_cast<char_type*>(__str_.data()); 552 this->setg(__p, __p + __ninp, __hm_); 553 } 554 return this->sputc(__c); 555 } 556 return traits_type::not_eof(__c); 557 } 558 559 template <class _CharT, class _Traits, class _Allocator> 560 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 561 basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, 562 ios_base::seekdir __way, 563 ios_base::openmode __wch) 564 { 565 if (__hm_ < this->pptr()) 566 __hm_ = this->pptr(); 567 if ((__wch & (ios_base::in | ios_base::out)) == 0) 568 return pos_type(-1); 569 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) 570 && __way == ios_base::cur) 571 return pos_type(-1); 572 off_type __noff; 573 switch (__way) 574 { 575 case ios_base::beg: 576 __noff = 0; 577 break; 578 case ios_base::cur: 579 if (__wch & ios_base::in) 580 __noff = this->gptr() - this->eback(); 581 else 582 __noff = this->pptr() - this->pbase(); 583 break; 584 case ios_base::end: 585 __noff = __hm_ - __str_.data(); 586 break; 587 default: 588 return pos_type(-1); 589 } 590 __noff += __off; 591 if (__noff < 0 || __hm_ - __str_.data() < __noff) 592 return pos_type(-1); 593 if (__noff != 0) 594 { 595 if ((__wch & ios_base::in) && this->gptr() == 0) 596 return pos_type(-1); 597 if ((__wch & ios_base::out) && this->pptr() == 0) 598 return pos_type(-1); 599 } 600 if (__wch & ios_base::in) 601 this->setg(this->eback(), this->eback() + __noff, __hm_); 602 if (__wch & ios_base::out) 603 { 604 this->setp(this->pbase(), this->epptr()); 605 this->pbump(__noff); 606 } 607 return pos_type(__noff); 608 } 609 610 template <class _CharT, class _Traits, class _Allocator> 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_TEMPLATE_VIS 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 inline _LIBCPP_INLINE_VISIBILITY 640 explicit basic_istringstream(ios_base::openmode __wch = ios_base::in); 641 inline _LIBCPP_INLINE_VISIBILITY 642 explicit basic_istringstream(const string_type& __s, 643 ios_base::openmode __wch = ios_base::in); 644 #ifndef _LIBCPP_CXX03_LANG 645 inline _LIBCPP_INLINE_VISIBILITY 646 basic_istringstream(basic_istringstream&& __rhs); 647 648 // 27.8.2.2 Assign and swap: 649 basic_istringstream& operator=(basic_istringstream&& __rhs); 650 #endif // _LIBCPP_CXX03_LANG 651 inline _LIBCPP_INLINE_VISIBILITY 652 void swap(basic_istringstream& __rhs); 653 654 // 27.8.2.3 Members: 655 inline _LIBCPP_INLINE_VISIBILITY 656 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 657 inline _LIBCPP_INLINE_VISIBILITY 658 string_type str() const; 659 inline _LIBCPP_INLINE_VISIBILITY 660 void str(const string_type& __s); 661 }; 662 663 template <class _CharT, class _Traits, class _Allocator> 664 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch) 665 : basic_istream<_CharT, _Traits>(&__sb_), 666 __sb_(__wch | ios_base::in) 667 { 668 } 669 670 template <class _CharT, class _Traits, class _Allocator> 671 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s, 672 ios_base::openmode __wch) 673 : basic_istream<_CharT, _Traits>(&__sb_), 674 __sb_(__s, __wch | ios_base::in) 675 { 676 } 677 678 #ifndef _LIBCPP_CXX03_LANG 679 680 template <class _CharT, class _Traits, class _Allocator> 681 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs) 682 : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)), 683 __sb_(_VSTD::move(__rhs.__sb_)) 684 { 685 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 686 } 687 688 template <class _CharT, class _Traits, class _Allocator> 689 basic_istringstream<_CharT, _Traits, _Allocator>& 690 basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs) 691 { 692 basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 693 __sb_ = _VSTD::move(__rhs.__sb_); 694 return *this; 695 } 696 697 #endif // _LIBCPP_CXX03_LANG 698 699 template <class _CharT, class _Traits, class _Allocator> 700 void basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs) 701 { 702 basic_istream<char_type, traits_type>::swap(__rhs); 703 __sb_.swap(__rhs.__sb_); 704 } 705 706 template <class _CharT, class _Traits, class _Allocator> 707 inline _LIBCPP_INLINE_VISIBILITY 708 void 709 swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, 710 basic_istringstream<_CharT, _Traits, _Allocator>& __y) 711 { 712 __x.swap(__y); 713 } 714 715 template <class _CharT, class _Traits, class _Allocator> 716 basic_stringbuf<_CharT, _Traits, _Allocator>* 717 basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const 718 { 719 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 720 } 721 722 template <class _CharT, class _Traits, class _Allocator> 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 void basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 731 { 732 __sb_.str(__s); 733 } 734 735 // basic_ostringstream 736 737 template <class _CharT, class _Traits, class _Allocator> 738 class _LIBCPP_TEMPLATE_VIS basic_ostringstream 739 : public basic_ostream<_CharT, _Traits> 740 { 741 public: 742 typedef _CharT char_type; 743 typedef _Traits traits_type; 744 typedef typename traits_type::int_type int_type; 745 typedef typename traits_type::pos_type pos_type; 746 typedef typename traits_type::off_type off_type; 747 typedef _Allocator allocator_type; 748 749 typedef basic_string<char_type, traits_type, allocator_type> string_type; 750 751 private: 752 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 753 754 public: 755 // 27.8.2.1 Constructors: 756 inline _LIBCPP_INLINE_VISIBILITY 757 explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out); 758 inline _LIBCPP_INLINE_VISIBILITY 759 explicit basic_ostringstream(const string_type& __s, 760 ios_base::openmode __wch = ios_base::out); 761 #ifndef _LIBCPP_CXX03_LANG 762 inline _LIBCPP_INLINE_VISIBILITY 763 basic_ostringstream(basic_ostringstream&& __rhs); 764 765 // 27.8.2.2 Assign and swap: 766 basic_ostringstream& operator=(basic_ostringstream&& __rhs); 767 #endif // _LIBCPP_CXX03_LANG 768 inline _LIBCPP_INLINE_VISIBILITY 769 void swap(basic_ostringstream& __rhs); 770 771 // 27.8.2.3 Members: 772 inline _LIBCPP_INLINE_VISIBILITY 773 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 774 inline _LIBCPP_INLINE_VISIBILITY 775 string_type str() const; 776 inline _LIBCPP_INLINE_VISIBILITY 777 void str(const string_type& __s); 778 }; 779 780 template <class _CharT, class _Traits, class _Allocator> 781 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch) 782 : basic_ostream<_CharT, _Traits>(&__sb_), 783 __sb_(__wch | ios_base::out) 784 { 785 } 786 787 template <class _CharT, class _Traits, class _Allocator> 788 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s, 789 ios_base::openmode __wch) 790 : basic_ostream<_CharT, _Traits>(&__sb_), 791 __sb_(__s, __wch | ios_base::out) 792 { 793 } 794 795 #ifndef _LIBCPP_CXX03_LANG 796 797 template <class _CharT, class _Traits, class _Allocator> 798 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs) 799 : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)), 800 __sb_(_VSTD::move(__rhs.__sb_)) 801 { 802 basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_); 803 } 804 805 template <class _CharT, class _Traits, class _Allocator> 806 basic_ostringstream<_CharT, _Traits, _Allocator>& 807 basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs) 808 { 809 basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 810 __sb_ = _VSTD::move(__rhs.__sb_); 811 return *this; 812 } 813 814 #endif // _LIBCPP_CXX03_LANG 815 816 template <class _CharT, class _Traits, class _Allocator> 817 void 818 basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs) 819 { 820 basic_ostream<char_type, traits_type>::swap(__rhs); 821 __sb_.swap(__rhs.__sb_); 822 } 823 824 template <class _CharT, class _Traits, class _Allocator> 825 inline _LIBCPP_INLINE_VISIBILITY 826 void 827 swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, 828 basic_ostringstream<_CharT, _Traits, _Allocator>& __y) 829 { 830 __x.swap(__y); 831 } 832 833 template <class _CharT, class _Traits, class _Allocator> 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 basic_string<_CharT, _Traits, _Allocator> 842 basic_ostringstream<_CharT, _Traits, _Allocator>::str() const 843 { 844 return __sb_.str(); 845 } 846 847 template <class _CharT, class _Traits, class _Allocator> 848 void 849 basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 850 { 851 __sb_.str(__s); 852 } 853 854 // basic_stringstream 855 856 template <class _CharT, class _Traits, class _Allocator> 857 class _LIBCPP_TEMPLATE_VIS basic_stringstream 858 : public basic_iostream<_CharT, _Traits> 859 { 860 public: 861 typedef _CharT char_type; 862 typedef _Traits traits_type; 863 typedef typename traits_type::int_type int_type; 864 typedef typename traits_type::pos_type pos_type; 865 typedef typename traits_type::off_type off_type; 866 typedef _Allocator allocator_type; 867 868 typedef basic_string<char_type, traits_type, allocator_type> string_type; 869 870 private: 871 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 872 873 public: 874 // 27.8.2.1 Constructors: 875 inline _LIBCPP_INLINE_VISIBILITY 876 explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out); 877 inline _LIBCPP_INLINE_VISIBILITY 878 explicit basic_stringstream(const string_type& __s, 879 ios_base::openmode __wch = ios_base::in | ios_base::out); 880 #ifndef _LIBCPP_CXX03_LANG 881 inline _LIBCPP_INLINE_VISIBILITY 882 basic_stringstream(basic_stringstream&& __rhs); 883 884 // 27.8.2.2 Assign and swap: 885 basic_stringstream& operator=(basic_stringstream&& __rhs); 886 #endif // _LIBCPP_CXX03_LANG 887 inline _LIBCPP_INLINE_VISIBILITY 888 void swap(basic_stringstream& __rhs); 889 890 // 27.8.2.3 Members: 891 inline _LIBCPP_INLINE_VISIBILITY 892 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 893 inline _LIBCPP_INLINE_VISIBILITY 894 string_type str() const; 895 inline _LIBCPP_INLINE_VISIBILITY 896 void str(const string_type& __s); 897 }; 898 899 template <class _CharT, class _Traits, class _Allocator> 900 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch) 901 : basic_iostream<_CharT, _Traits>(&__sb_), 902 __sb_(__wch) 903 { 904 } 905 906 template <class _CharT, class _Traits, class _Allocator> 907 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s, 908 ios_base::openmode __wch) 909 : basic_iostream<_CharT, _Traits>(&__sb_), 910 __sb_(__s, __wch) 911 { 912 } 913 914 #ifndef _LIBCPP_CXX03_LANG 915 916 template <class _CharT, class _Traits, class _Allocator> 917 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs) 918 : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)), 919 __sb_(_VSTD::move(__rhs.__sb_)) 920 { 921 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 922 } 923 924 template <class _CharT, class _Traits, class _Allocator> 925 basic_stringstream<_CharT, _Traits, _Allocator>& 926 basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs) 927 { 928 basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 929 __sb_ = _VSTD::move(__rhs.__sb_); 930 return *this; 931 } 932 933 #endif // _LIBCPP_CXX03_LANG 934 935 template <class _CharT, class _Traits, class _Allocator> 936 void 937 basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs) 938 { 939 basic_iostream<char_type, traits_type>::swap(__rhs); 940 __sb_.swap(__rhs.__sb_); 941 } 942 943 template <class _CharT, class _Traits, class _Allocator> 944 inline _LIBCPP_INLINE_VISIBILITY 945 void 946 swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, 947 basic_stringstream<_CharT, _Traits, _Allocator>& __y) 948 { 949 __x.swap(__y); 950 } 951 952 template <class _CharT, class _Traits, class _Allocator> 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 basic_string<_CharT, _Traits, _Allocator> 961 basic_stringstream<_CharT, _Traits, _Allocator>::str() const 962 { 963 return __sb_.str(); 964 } 965 966 template <class _CharT, class _Traits, class _Allocator> 967 void 968 basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 969 { 970 __sb_.str(__s); 971 } 972 973 _LIBCPP_END_NAMESPACE_STD 974 975 _LIBCPP_POP_MACROS 976 977 #endif // _LIBCPP_SSTREAM 978
