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 : __str_(__s.get_allocator()), 253 __hm_(0), 254 __mode_(__wch) 255 { 256 str(__s); 257 } 258 259 #ifndef _LIBCPP_CXX03_LANG 260 261 template <class _CharT, class _Traits, class _Allocator> 262 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs) 263 : __mode_(__rhs.__mode_) 264 { 265 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 266 ptrdiff_t __binp = -1; 267 ptrdiff_t __ninp = -1; 268 ptrdiff_t __einp = -1; 269 if (__rhs.eback() != nullptr) 270 { 271 __binp = __rhs.eback() - __p; 272 __ninp = __rhs.gptr() - __p; 273 __einp = __rhs.egptr() - __p; 274 } 275 ptrdiff_t __bout = -1; 276 ptrdiff_t __nout = -1; 277 ptrdiff_t __eout = -1; 278 if (__rhs.pbase() != nullptr) 279 { 280 __bout = __rhs.pbase() - __p; 281 __nout = __rhs.pptr() - __p; 282 __eout = __rhs.epptr() - __p; 283 } 284 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 285 __str_ = _VSTD::move(__rhs.__str_); 286 __p = const_cast<char_type*>(__str_.data()); 287 if (__binp != -1) 288 this->setg(__p + __binp, __p + __ninp, __p + __einp); 289 if (__bout != -1) 290 { 291 this->setp(__p + __bout, __p + __eout); 292 this->__pbump(__nout); 293 } 294 __hm_ = __hm == -1 ? nullptr : __p + __hm; 295 __p = const_cast<char_type*>(__rhs.__str_.data()); 296 __rhs.setg(__p, __p, __p); 297 __rhs.setp(__p, __p); 298 __rhs.__hm_ = __p; 299 this->pubimbue(__rhs.getloc()); 300 } 301 302 template <class _CharT, class _Traits, class _Allocator> 303 basic_stringbuf<_CharT, _Traits, _Allocator>& 304 basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs) 305 { 306 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 307 ptrdiff_t __binp = -1; 308 ptrdiff_t __ninp = -1; 309 ptrdiff_t __einp = -1; 310 if (__rhs.eback() != nullptr) 311 { 312 __binp = __rhs.eback() - __p; 313 __ninp = __rhs.gptr() - __p; 314 __einp = __rhs.egptr() - __p; 315 } 316 ptrdiff_t __bout = -1; 317 ptrdiff_t __nout = -1; 318 ptrdiff_t __eout = -1; 319 if (__rhs.pbase() != nullptr) 320 { 321 __bout = __rhs.pbase() - __p; 322 __nout = __rhs.pptr() - __p; 323 __eout = __rhs.epptr() - __p; 324 } 325 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 326 __str_ = _VSTD::move(__rhs.__str_); 327 __p = const_cast<char_type*>(__str_.data()); 328 if (__binp != -1) 329 this->setg(__p + __binp, __p + __ninp, __p + __einp); 330 else 331 this->setg(nullptr, nullptr, nullptr); 332 if (__bout != -1) 333 { 334 this->setp(__p + __bout, __p + __eout); 335 this->__pbump(__nout); 336 } 337 else 338 this->setp(nullptr, nullptr); 339 340 __hm_ = __hm == -1 ? nullptr : __p + __hm; 341 __mode_ = __rhs.__mode_; 342 __p = const_cast<char_type*>(__rhs.__str_.data()); 343 __rhs.setg(__p, __p, __p); 344 __rhs.setp(__p, __p); 345 __rhs.__hm_ = __p; 346 this->pubimbue(__rhs.getloc()); 347 return *this; 348 } 349 350 #endif // _LIBCPP_CXX03_LANG 351 352 template <class _CharT, class _Traits, class _Allocator> 353 void 354 basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs) 355 { 356 char_type* __p = const_cast<char_type*>(__rhs.__str_.data()); 357 ptrdiff_t __rbinp = -1; 358 ptrdiff_t __rninp = -1; 359 ptrdiff_t __reinp = -1; 360 if (__rhs.eback() != nullptr) 361 { 362 __rbinp = __rhs.eback() - __p; 363 __rninp = __rhs.gptr() - __p; 364 __reinp = __rhs.egptr() - __p; 365 } 366 ptrdiff_t __rbout = -1; 367 ptrdiff_t __rnout = -1; 368 ptrdiff_t __reout = -1; 369 if (__rhs.pbase() != nullptr) 370 { 371 __rbout = __rhs.pbase() - __p; 372 __rnout = __rhs.pptr() - __p; 373 __reout = __rhs.epptr() - __p; 374 } 375 ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p; 376 __p = const_cast<char_type*>(__str_.data()); 377 ptrdiff_t __lbinp = -1; 378 ptrdiff_t __lninp = -1; 379 ptrdiff_t __leinp = -1; 380 if (this->eback() != nullptr) 381 { 382 __lbinp = this->eback() - __p; 383 __lninp = this->gptr() - __p; 384 __leinp = this->egptr() - __p; 385 } 386 ptrdiff_t __lbout = -1; 387 ptrdiff_t __lnout = -1; 388 ptrdiff_t __leout = -1; 389 if (this->pbase() != nullptr) 390 { 391 __lbout = this->pbase() - __p; 392 __lnout = this->pptr() - __p; 393 __leout = this->epptr() - __p; 394 } 395 ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p; 396 _VSTD::swap(__mode_, __rhs.__mode_); 397 __str_.swap(__rhs.__str_); 398 __p = const_cast<char_type*>(__str_.data()); 399 if (__rbinp != -1) 400 this->setg(__p + __rbinp, __p + __rninp, __p + __reinp); 401 else 402 this->setg(nullptr, nullptr, nullptr); 403 if (__rbout != -1) 404 { 405 this->setp(__p + __rbout, __p + __reout); 406 this->__pbump(__rnout); 407 } 408 else 409 this->setp(nullptr, nullptr); 410 __hm_ = __rhm == -1 ? nullptr : __p + __rhm; 411 __p = const_cast<char_type*>(__rhs.__str_.data()); 412 if (__lbinp != -1) 413 __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp); 414 else 415 __rhs.setg(nullptr, nullptr, nullptr); 416 if (__lbout != -1) 417 { 418 __rhs.setp(__p + __lbout, __p + __leout); 419 __rhs.__pbump(__lnout); 420 } 421 else 422 __rhs.setp(nullptr, nullptr); 423 __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm; 424 locale __tl = __rhs.getloc(); 425 __rhs.pubimbue(this->getloc()); 426 this->pubimbue(__tl); 427 } 428 429 template <class _CharT, class _Traits, class _Allocator> 430 inline _LIBCPP_INLINE_VISIBILITY 431 void 432 swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x, 433 basic_stringbuf<_CharT, _Traits, _Allocator>& __y) 434 { 435 __x.swap(__y); 436 } 437 438 template <class _CharT, class _Traits, class _Allocator> 439 basic_string<_CharT, _Traits, _Allocator> 440 basic_stringbuf<_CharT, _Traits, _Allocator>::str() const 441 { 442 if (__mode_ & ios_base::out) 443 { 444 if (__hm_ < this->pptr()) 445 __hm_ = this->pptr(); 446 return string_type(this->pbase(), __hm_, __str_.get_allocator()); 447 } 448 else if (__mode_ & ios_base::in) 449 return string_type(this->eback(), this->egptr(), __str_.get_allocator()); 450 return string_type(__str_.get_allocator()); 451 } 452 453 template <class _CharT, class _Traits, class _Allocator> 454 void 455 basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s) 456 { 457 __str_ = __s; 458 __hm_ = 0; 459 if (__mode_ & ios_base::in) 460 { 461 __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size(); 462 this->setg(const_cast<char_type*>(__str_.data()), 463 const_cast<char_type*>(__str_.data()), 464 __hm_); 465 } 466 if (__mode_ & ios_base::out) 467 { 468 typename string_type::size_type __sz = __str_.size(); 469 __hm_ = const_cast<char_type*>(__str_.data()) + __sz; 470 __str_.resize(__str_.capacity()); 471 this->setp(const_cast<char_type*>(__str_.data()), 472 const_cast<char_type*>(__str_.data()) + __str_.size()); 473 if (__mode_ & (ios_base::app | ios_base::ate)) 474 { 475 while (__sz > INT_MAX) 476 { 477 this->pbump(INT_MAX); 478 __sz -= INT_MAX; 479 } 480 if (__sz > 0) 481 this->pbump(__sz); 482 } 483 } 484 } 485 486 template <class _CharT, class _Traits, class _Allocator> 487 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 488 basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() 489 { 490 if (__hm_ < this->pptr()) 491 __hm_ = this->pptr(); 492 if (__mode_ & ios_base::in) 493 { 494 if (this->egptr() < __hm_) 495 this->setg(this->eback(), this->gptr(), __hm_); 496 if (this->gptr() < this->egptr()) 497 return traits_type::to_int_type(*this->gptr()); 498 } 499 return traits_type::eof(); 500 } 501 502 template <class _CharT, class _Traits, class _Allocator> 503 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 504 basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) 505 { 506 if (__hm_ < this->pptr()) 507 __hm_ = this->pptr(); 508 if (this->eback() < this->gptr()) 509 { 510 if (traits_type::eq_int_type(__c, traits_type::eof())) 511 { 512 this->setg(this->eback(), this->gptr()-1, __hm_); 513 return traits_type::not_eof(__c); 514 } 515 if ((__mode_ & ios_base::out) || 516 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 517 { 518 this->setg(this->eback(), this->gptr()-1, __hm_); 519 *this->gptr() = traits_type::to_char_type(__c); 520 return __c; 521 } 522 } 523 return traits_type::eof(); 524 } 525 526 template <class _CharT, class _Traits, class _Allocator> 527 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 528 basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) 529 { 530 if (!traits_type::eq_int_type(__c, traits_type::eof())) 531 { 532 ptrdiff_t __ninp = this->gptr() - this->eback(); 533 if (this->pptr() == this->epptr()) 534 { 535 if (!(__mode_ & ios_base::out)) 536 return traits_type::eof(); 537 #ifndef _LIBCPP_NO_EXCEPTIONS 538 try 539 { 540 #endif // _LIBCPP_NO_EXCEPTIONS 541 ptrdiff_t __nout = this->pptr() - this->pbase(); 542 ptrdiff_t __hm = __hm_ - this->pbase(); 543 __str_.push_back(char_type()); 544 __str_.resize(__str_.capacity()); 545 char_type* __p = const_cast<char_type*>(__str_.data()); 546 this->setp(__p, __p + __str_.size()); 547 this->__pbump(__nout); 548 __hm_ = this->pbase() + __hm; 549 #ifndef _LIBCPP_NO_EXCEPTIONS 550 } 551 catch (...) 552 { 553 return traits_type::eof(); 554 } 555 #endif // _LIBCPP_NO_EXCEPTIONS 556 } 557 __hm_ = _VSTD::max(this->pptr() + 1, __hm_); 558 if (__mode_ & ios_base::in) 559 { 560 char_type* __p = const_cast<char_type*>(__str_.data()); 561 this->setg(__p, __p + __ninp, __hm_); 562 } 563 return this->sputc(__c); 564 } 565 return traits_type::not_eof(__c); 566 } 567 568 template <class _CharT, class _Traits, class _Allocator> 569 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 570 basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, 571 ios_base::seekdir __way, 572 ios_base::openmode __wch) 573 { 574 if (__hm_ < this->pptr()) 575 __hm_ = this->pptr(); 576 if ((__wch & (ios_base::in | ios_base::out)) == 0) 577 return pos_type(-1); 578 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) 579 && __way == ios_base::cur) 580 return pos_type(-1); 581 off_type __noff; 582 switch (__way) 583 { 584 case ios_base::beg: 585 __noff = 0; 586 break; 587 case ios_base::cur: 588 if (__wch & ios_base::in) 589 __noff = this->gptr() - this->eback(); 590 else 591 __noff = this->pptr() - this->pbase(); 592 break; 593 case ios_base::end: 594 __noff = __hm_ - __str_.data(); 595 break; 596 default: 597 return pos_type(-1); 598 } 599 __noff += __off; 600 if (__noff < 0 || __hm_ - __str_.data() < __noff) 601 return pos_type(-1); 602 if (__noff != 0) 603 { 604 if ((__wch & ios_base::in) && this->gptr() == 0) 605 return pos_type(-1); 606 if ((__wch & ios_base::out) && this->pptr() == 0) 607 return pos_type(-1); 608 } 609 if (__wch & ios_base::in) 610 this->setg(this->eback(), this->eback() + __noff, __hm_); 611 if (__wch & ios_base::out) 612 { 613 this->setp(this->pbase(), this->epptr()); 614 this->pbump(__noff); 615 } 616 return pos_type(__noff); 617 } 618 619 template <class _CharT, class _Traits, class _Allocator> 620 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 621 basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp, 622 ios_base::openmode __wch) 623 { 624 return seekoff(__sp, ios_base::beg, __wch); 625 } 626 627 // basic_istringstream 628 629 template <class _CharT, class _Traits, class _Allocator> 630 class _LIBCPP_TEMPLATE_VIS basic_istringstream 631 : public basic_istream<_CharT, _Traits> 632 { 633 public: 634 typedef _CharT char_type; 635 typedef _Traits traits_type; 636 typedef typename traits_type::int_type int_type; 637 typedef typename traits_type::pos_type pos_type; 638 typedef typename traits_type::off_type off_type; 639 typedef _Allocator allocator_type; 640 641 typedef basic_string<char_type, traits_type, allocator_type> string_type; 642 643 private: 644 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 645 646 public: 647 // 27.8.2.1 Constructors: 648 inline _LIBCPP_INLINE_VISIBILITY 649 explicit basic_istringstream(ios_base::openmode __wch = ios_base::in); 650 inline _LIBCPP_INLINE_VISIBILITY 651 explicit basic_istringstream(const string_type& __s, 652 ios_base::openmode __wch = ios_base::in); 653 #ifndef _LIBCPP_CXX03_LANG 654 inline _LIBCPP_INLINE_VISIBILITY 655 basic_istringstream(basic_istringstream&& __rhs); 656 657 // 27.8.2.2 Assign and swap: 658 basic_istringstream& operator=(basic_istringstream&& __rhs); 659 #endif // _LIBCPP_CXX03_LANG 660 inline _LIBCPP_INLINE_VISIBILITY 661 void swap(basic_istringstream& __rhs); 662 663 // 27.8.2.3 Members: 664 inline _LIBCPP_INLINE_VISIBILITY 665 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 666 inline _LIBCPP_INLINE_VISIBILITY 667 string_type str() const; 668 inline _LIBCPP_INLINE_VISIBILITY 669 void str(const string_type& __s); 670 }; 671 672 template <class _CharT, class _Traits, class _Allocator> 673 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch) 674 : basic_istream<_CharT, _Traits>(&__sb_), 675 __sb_(__wch | ios_base::in) 676 { 677 } 678 679 template <class _CharT, class _Traits, class _Allocator> 680 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s, 681 ios_base::openmode __wch) 682 : basic_istream<_CharT, _Traits>(&__sb_), 683 __sb_(__s, __wch | ios_base::in) 684 { 685 } 686 687 #ifndef _LIBCPP_CXX03_LANG 688 689 template <class _CharT, class _Traits, class _Allocator> 690 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs) 691 : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)), 692 __sb_(_VSTD::move(__rhs.__sb_)) 693 { 694 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 695 } 696 697 template <class _CharT, class _Traits, class _Allocator> 698 basic_istringstream<_CharT, _Traits, _Allocator>& 699 basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs) 700 { 701 basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 702 __sb_ = _VSTD::move(__rhs.__sb_); 703 return *this; 704 } 705 706 #endif // _LIBCPP_CXX03_LANG 707 708 template <class _CharT, class _Traits, class _Allocator> 709 void basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs) 710 { 711 basic_istream<char_type, traits_type>::swap(__rhs); 712 __sb_.swap(__rhs.__sb_); 713 } 714 715 template <class _CharT, class _Traits, class _Allocator> 716 inline _LIBCPP_INLINE_VISIBILITY 717 void 718 swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x, 719 basic_istringstream<_CharT, _Traits, _Allocator>& __y) 720 { 721 __x.swap(__y); 722 } 723 724 template <class _CharT, class _Traits, class _Allocator> 725 basic_stringbuf<_CharT, _Traits, _Allocator>* 726 basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const 727 { 728 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 729 } 730 731 template <class _CharT, class _Traits, class _Allocator> 732 basic_string<_CharT, _Traits, _Allocator> 733 basic_istringstream<_CharT, _Traits, _Allocator>::str() const 734 { 735 return __sb_.str(); 736 } 737 738 template <class _CharT, class _Traits, class _Allocator> 739 void basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 740 { 741 __sb_.str(__s); 742 } 743 744 // basic_ostringstream 745 746 template <class _CharT, class _Traits, class _Allocator> 747 class _LIBCPP_TEMPLATE_VIS basic_ostringstream 748 : public basic_ostream<_CharT, _Traits> 749 { 750 public: 751 typedef _CharT char_type; 752 typedef _Traits traits_type; 753 typedef typename traits_type::int_type int_type; 754 typedef typename traits_type::pos_type pos_type; 755 typedef typename traits_type::off_type off_type; 756 typedef _Allocator allocator_type; 757 758 typedef basic_string<char_type, traits_type, allocator_type> string_type; 759 760 private: 761 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 762 763 public: 764 // 27.8.2.1 Constructors: 765 inline _LIBCPP_INLINE_VISIBILITY 766 explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out); 767 inline _LIBCPP_INLINE_VISIBILITY 768 explicit basic_ostringstream(const string_type& __s, 769 ios_base::openmode __wch = ios_base::out); 770 #ifndef _LIBCPP_CXX03_LANG 771 inline _LIBCPP_INLINE_VISIBILITY 772 basic_ostringstream(basic_ostringstream&& __rhs); 773 774 // 27.8.2.2 Assign and swap: 775 basic_ostringstream& operator=(basic_ostringstream&& __rhs); 776 #endif // _LIBCPP_CXX03_LANG 777 inline _LIBCPP_INLINE_VISIBILITY 778 void swap(basic_ostringstream& __rhs); 779 780 // 27.8.2.3 Members: 781 inline _LIBCPP_INLINE_VISIBILITY 782 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 783 inline _LIBCPP_INLINE_VISIBILITY 784 string_type str() const; 785 inline _LIBCPP_INLINE_VISIBILITY 786 void str(const string_type& __s); 787 }; 788 789 template <class _CharT, class _Traits, class _Allocator> 790 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch) 791 : basic_ostream<_CharT, _Traits>(&__sb_), 792 __sb_(__wch | ios_base::out) 793 { 794 } 795 796 template <class _CharT, class _Traits, class _Allocator> 797 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s, 798 ios_base::openmode __wch) 799 : basic_ostream<_CharT, _Traits>(&__sb_), 800 __sb_(__s, __wch | ios_base::out) 801 { 802 } 803 804 #ifndef _LIBCPP_CXX03_LANG 805 806 template <class _CharT, class _Traits, class _Allocator> 807 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs) 808 : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)), 809 __sb_(_VSTD::move(__rhs.__sb_)) 810 { 811 basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_); 812 } 813 814 template <class _CharT, class _Traits, class _Allocator> 815 basic_ostringstream<_CharT, _Traits, _Allocator>& 816 basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs) 817 { 818 basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 819 __sb_ = _VSTD::move(__rhs.__sb_); 820 return *this; 821 } 822 823 #endif // _LIBCPP_CXX03_LANG 824 825 template <class _CharT, class _Traits, class _Allocator> 826 void 827 basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs) 828 { 829 basic_ostream<char_type, traits_type>::swap(__rhs); 830 __sb_.swap(__rhs.__sb_); 831 } 832 833 template <class _CharT, class _Traits, class _Allocator> 834 inline _LIBCPP_INLINE_VISIBILITY 835 void 836 swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x, 837 basic_ostringstream<_CharT, _Traits, _Allocator>& __y) 838 { 839 __x.swap(__y); 840 } 841 842 template <class _CharT, class _Traits, class _Allocator> 843 basic_stringbuf<_CharT, _Traits, _Allocator>* 844 basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const 845 { 846 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 847 } 848 849 template <class _CharT, class _Traits, class _Allocator> 850 basic_string<_CharT, _Traits, _Allocator> 851 basic_ostringstream<_CharT, _Traits, _Allocator>::str() const 852 { 853 return __sb_.str(); 854 } 855 856 template <class _CharT, class _Traits, class _Allocator> 857 void 858 basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 859 { 860 __sb_.str(__s); 861 } 862 863 // basic_stringstream 864 865 template <class _CharT, class _Traits, class _Allocator> 866 class _LIBCPP_TEMPLATE_VIS basic_stringstream 867 : public basic_iostream<_CharT, _Traits> 868 { 869 public: 870 typedef _CharT char_type; 871 typedef _Traits traits_type; 872 typedef typename traits_type::int_type int_type; 873 typedef typename traits_type::pos_type pos_type; 874 typedef typename traits_type::off_type off_type; 875 typedef _Allocator allocator_type; 876 877 typedef basic_string<char_type, traits_type, allocator_type> string_type; 878 879 private: 880 basic_stringbuf<char_type, traits_type, allocator_type> __sb_; 881 882 public: 883 // 27.8.2.1 Constructors: 884 inline _LIBCPP_INLINE_VISIBILITY 885 explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out); 886 inline _LIBCPP_INLINE_VISIBILITY 887 explicit basic_stringstream(const string_type& __s, 888 ios_base::openmode __wch = ios_base::in | ios_base::out); 889 #ifndef _LIBCPP_CXX03_LANG 890 inline _LIBCPP_INLINE_VISIBILITY 891 basic_stringstream(basic_stringstream&& __rhs); 892 893 // 27.8.2.2 Assign and swap: 894 basic_stringstream& operator=(basic_stringstream&& __rhs); 895 #endif // _LIBCPP_CXX03_LANG 896 inline _LIBCPP_INLINE_VISIBILITY 897 void swap(basic_stringstream& __rhs); 898 899 // 27.8.2.3 Members: 900 inline _LIBCPP_INLINE_VISIBILITY 901 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const; 902 inline _LIBCPP_INLINE_VISIBILITY 903 string_type str() const; 904 inline _LIBCPP_INLINE_VISIBILITY 905 void str(const string_type& __s); 906 }; 907 908 template <class _CharT, class _Traits, class _Allocator> 909 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch) 910 : basic_iostream<_CharT, _Traits>(&__sb_), 911 __sb_(__wch) 912 { 913 } 914 915 template <class _CharT, class _Traits, class _Allocator> 916 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s, 917 ios_base::openmode __wch) 918 : basic_iostream<_CharT, _Traits>(&__sb_), 919 __sb_(__s, __wch) 920 { 921 } 922 923 #ifndef _LIBCPP_CXX03_LANG 924 925 template <class _CharT, class _Traits, class _Allocator> 926 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs) 927 : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)), 928 __sb_(_VSTD::move(__rhs.__sb_)) 929 { 930 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_); 931 } 932 933 template <class _CharT, class _Traits, class _Allocator> 934 basic_stringstream<_CharT, _Traits, _Allocator>& 935 basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs) 936 { 937 basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs)); 938 __sb_ = _VSTD::move(__rhs.__sb_); 939 return *this; 940 } 941 942 #endif // _LIBCPP_CXX03_LANG 943 944 template <class _CharT, class _Traits, class _Allocator> 945 void 946 basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs) 947 { 948 basic_iostream<char_type, traits_type>::swap(__rhs); 949 __sb_.swap(__rhs.__sb_); 950 } 951 952 template <class _CharT, class _Traits, class _Allocator> 953 inline _LIBCPP_INLINE_VISIBILITY 954 void 955 swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x, 956 basic_stringstream<_CharT, _Traits, _Allocator>& __y) 957 { 958 __x.swap(__y); 959 } 960 961 template <class _CharT, class _Traits, class _Allocator> 962 basic_stringbuf<_CharT, _Traits, _Allocator>* 963 basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const 964 { 965 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_); 966 } 967 968 template <class _CharT, class _Traits, class _Allocator> 969 basic_string<_CharT, _Traits, _Allocator> 970 basic_stringstream<_CharT, _Traits, _Allocator>::str() const 971 { 972 return __sb_.str(); 973 } 974 975 template <class _CharT, class _Traits, class _Allocator> 976 void 977 basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s) 978 { 979 __sb_.str(__s); 980 } 981 982 _LIBCPP_END_NAMESPACE_STD 983 984 _LIBCPP_POP_MACROS 985 986 #endif // _LIBCPP_SSTREAM 987
