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 } 247 248 template <class _CharT, class _Traits, class _Allocator> 249 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s, 250 ios_base::openmode __wch) 251 : __str_(__s.get_allocator()), 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 { 474 while (__sz > INT_MAX) 475 { 476 this->pbump(INT_MAX); 477 __sz -= INT_MAX; 478 } 479 if (__sz > 0) 480 this->pbump(__sz); 481 } 482 } 483 } 484 485 template <class _CharT, class _Traits, class _Allocator> 486 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 487 basic_stringbuf<_CharT, _Traits, _Allocator>::underflow() 488 { 489 if (__hm_ < this->pptr()) 490 __hm_ = this->pptr(); 491 if (__mode_ & ios_base::in) 492 { 493 if (this->egptr() < __hm_) 494 this->setg(this->eback(), this->gptr(), __hm_); 495 if (this->gptr() < this->egptr()) 496 return traits_type::to_int_type(*this->gptr()); 497 } 498 return traits_type::eof(); 499 } 500 501 template <class _CharT, class _Traits, class _Allocator> 502 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 503 basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c) 504 { 505 if (__hm_ < this->pptr()) 506 __hm_ = this->pptr(); 507 if (this->eback() < this->gptr()) 508 { 509 if (traits_type::eq_int_type(__c, traits_type::eof())) 510 { 511 this->setg(this->eback(), this->gptr()-1, __hm_); 512 return traits_type::not_eof(__c); 513 } 514 if ((__mode_ & ios_base::out) || 515 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1])) 516 { 517 this->setg(this->eback(), this->gptr()-1, __hm_); 518 *this->gptr() = traits_type::to_char_type(__c); 519 return __c; 520 } 521 } 522 return traits_type::eof(); 523 } 524 525 template <class _CharT, class _Traits, class _Allocator> 526 typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type 527 basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c) 528 { 529 if (!traits_type::eq_int_type(__c, traits_type::eof())) 530 { 531 ptrdiff_t __ninp = this->gptr() - this->eback(); 532 if (this->pptr() == this->epptr()) 533 { 534 if (!(__mode_ & ios_base::out)) 535 return traits_type::eof(); 536 #ifndef _LIBCPP_NO_EXCEPTIONS 537 try 538 { 539 #endif // _LIBCPP_NO_EXCEPTIONS 540 ptrdiff_t __nout = this->pptr() - this->pbase(); 541 ptrdiff_t __hm = __hm_ - this->pbase(); 542 __str_.push_back(char_type()); 543 __str_.resize(__str_.capacity()); 544 char_type* __p = const_cast<char_type*>(__str_.data()); 545 this->setp(__p, __p + __str_.size()); 546 this->__pbump(__nout); 547 __hm_ = this->pbase() + __hm; 548 #ifndef _LIBCPP_NO_EXCEPTIONS 549 } 550 catch (...) 551 { 552 return traits_type::eof(); 553 } 554 #endif // _LIBCPP_NO_EXCEPTIONS 555 } 556 __hm_ = _VSTD::max(this->pptr() + 1, __hm_); 557 if (__mode_ & ios_base::in) 558 { 559 char_type* __p = const_cast<char_type*>(__str_.data()); 560 this->setg(__p, __p + __ninp, __hm_); 561 } 562 return this->sputc(__c); 563 } 564 return traits_type::not_eof(__c); 565 } 566 567 template <class _CharT, class _Traits, class _Allocator> 568 typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type 569 basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off, 570 ios_base::seekdir __way, 571 ios_base::openmode __wch) 572 { 573 if (__hm_ < this->pptr()) 574 __hm_ = this->pptr(); 575 if ((__wch & (ios_base::in | ios_base::out)) == 0) 576 return pos_type(-1); 577 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out) 578 && __way == ios_base::cur) 579 return pos_type(-1); 580 const ptrdiff_t __hm = __hm_ == nullptr ? 0 : __hm_ - __str_.data(); 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; 595 break; 596 default: 597 return pos_type(-1); 598 } 599 __noff += __off; 600 if (__noff < 0 || __hm < __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
