1// -*- C++ -*-
2//===--------------------------- sstream ----------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_SSTREAM
11#define _LIBCPP_SSTREAM
12
13/*
14 sstream synopsis
15
16template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
17class basic_stringbuf
18 : public basic_streambuf<charT, traits>
19{
20public:
21 typedef charT char_type;
22 typedef traits traits_type;
23 typedef typename traits_type::int_type int_type;
24 typedef typename traits_type::pos_type pos_type;
25 typedef typename traits_type::off_type off_type;
26 typedef Allocator allocator_type;
27
28 // 27.8.1.1 Constructors:
29 explicit basic_stringbuf(ios_base::openmode which = ios_base::in | ios_base::out);
30 explicit basic_stringbuf(const basic_string<char_type, traits_type, allocator_type>& str,
31 ios_base::openmode which = ios_base::in | ios_base::out);
32 basic_stringbuf(basic_stringbuf&& rhs);
33
34 // 27.8.1.2 Assign and swap:
35 basic_stringbuf& operator=(basic_stringbuf&& rhs);
36 void swap(basic_stringbuf& rhs);
37
38 // 27.8.1.3 Get and set:
39 basic_string<char_type, traits_type, allocator_type> str() const;
40 void str(const basic_string<char_type, traits_type, allocator_type>& s);
41
42protected:
43 // 27.8.1.4 Overridden virtual functions:
44 virtual int_type underflow();
45 virtual int_type pbackfail(int_type c = traits_type::eof());
46 virtual int_type overflow (int_type c = traits_type::eof());
47 virtual basic_streambuf<char_type, traits_type>* setbuf(char_type*, streamsize);
48 virtual pos_type seekoff(off_type off, ios_base::seekdir way,
49 ios_base::openmode which = ios_base::in | ios_base::out);
50 virtual pos_type seekpos(pos_type sp,
51 ios_base::openmode which = ios_base::in | ios_base::out);
52};
53
54template <class charT, class traits, class Allocator>
55 void swap(basic_stringbuf<charT, traits, Allocator>& x,
56 basic_stringbuf<charT, traits, Allocator>& y);
57
58typedef basic_stringbuf<char> stringbuf;
59typedef basic_stringbuf<wchar_t> wstringbuf;
60
61template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
62class basic_istringstream
63 : public basic_istream<charT, traits>
64{
65public:
66 typedef charT char_type;
67 typedef traits traits_type;
68 typedef typename traits_type::int_type int_type;
69 typedef typename traits_type::pos_type pos_type;
70 typedef typename traits_type::off_type off_type;
71 typedef Allocator allocator_type;
72
73 // 27.8.2.1 Constructors:
74 explicit basic_istringstream(ios_base::openmode which = ios_base::in);
75 explicit basic_istringstream(const basic_string<char_type, traits_type,allocator_type>& str,
76 ios_base::openmode which = ios_base::in);
77 basic_istringstream(basic_istringstream&& rhs);
78
79 // 27.8.2.2 Assign and swap:
80 basic_istringstream& operator=(basic_istringstream&& rhs);
81 void swap(basic_istringstream& rhs);
82
83 // 27.8.2.3 Members:
84 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
85 basic_string<char_type, traits_type, allocator_type> str() const;
86 void str(const basic_string<char_type, traits_type, allocator_type>& s);
87};
88
89template <class charT, class traits, class Allocator>
90 void swap(basic_istringstream<charT, traits, Allocator>& x,
91 basic_istringstream<charT, traits, Allocator>& y);
92
93typedef basic_istringstream<char> istringstream;
94typedef basic_istringstream<wchar_t> wistringstream;
95
96template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
97class basic_ostringstream
98 : public basic_ostream<charT, traits>
99{
100public:
101 // types:
102 typedef charT char_type;
103 typedef traits traits_type;
104 typedef typename traits_type::int_type int_type;
105 typedef typename traits_type::pos_type pos_type;
106 typedef typename traits_type::off_type off_type;
107 typedef Allocator allocator_type;
108
109 // 27.8.3.1 Constructors/destructor:
110 explicit basic_ostringstream(ios_base::openmode which = ios_base::out);
111 explicit basic_ostringstream(const basic_string<char_type, traits_type, allocator_type>& str,
112 ios_base::openmode which = ios_base::out);
113 basic_ostringstream(basic_ostringstream&& rhs);
114
115 // 27.8.3.2 Assign/swap:
116 basic_ostringstream& operator=(basic_ostringstream&& rhs);
117 void swap(basic_ostringstream& rhs);
118
119 // 27.8.3.3 Members:
120 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
121 basic_string<char_type, traits_type, allocator_type> str() const;
122 void str(const basic_string<char_type, traits_type, allocator_type>& s);
123};
124
125template <class charT, class traits, class Allocator>
126 void swap(basic_ostringstream<charT, traits, Allocator>& x,
127 basic_ostringstream<charT, traits, Allocator>& y);
128
129typedef basic_ostringstream<char> ostringstream;
130typedef basic_ostringstream<wchar_t> wostringstream;
131
132template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
133class basic_stringstream
134 : public basic_iostream<charT, traits>
135{
136public:
137 // types:
138 typedef charT char_type;
139 typedef traits traits_type;
140 typedef typename traits_type::int_type int_type;
141 typedef typename traits_type::pos_type pos_type;
142 typedef typename traits_type::off_type off_type;
143 typedef Allocator allocator_type;
144
145 // constructors/destructor
146 explicit basic_stringstream(ios_base::openmode which = ios_base::out|ios_base::in);
147 explicit basic_stringstream(const basic_string<char_type, traits_type, allocator_type>& str,
148 ios_base::openmode which = ios_base::out|ios_base::in);
149 basic_stringstream(basic_stringstream&& rhs);
150
151 // 27.8.5.1 Assign/swap:
152 basic_stringstream& operator=(basic_stringstream&& rhs);
153 void swap(basic_stringstream& rhs);
154
155 // Members:
156 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
157 basic_string<char_type, traits_type, allocator_type> str() const;
158 void str(const basic_string<char_type, traits_type, allocator_type>& str);
159};
160
161template <class charT, class traits, class Allocator>
162 void swap(basic_stringstream<charT, traits, Allocator>& x,
163 basic_stringstream<charT, traits, Allocator>& y);
164
165typedef basic_stringstream<char> stringstream;
166typedef basic_stringstream<wchar_t> wstringstream;
167
168} // std
169
170*/
171
172#include <__config>
173#include <ostream>
174#include <istream>
175#include <string>
176
177#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
178#pragma GCC system_header
179#endif
180
181_LIBCPP_PUSH_MACROS
182#include <__undef_macros>
183
184
185_LIBCPP_BEGIN_NAMESPACE_STD
186
187// basic_stringbuf
188
189template <class _CharT, class _Traits, class _Allocator>
190class _LIBCPP_TEMPLATE_VIS basic_stringbuf
191 : public basic_streambuf<_CharT, _Traits>
192{
193public:
194 typedef _CharT char_type;
195 typedef _Traits traits_type;
196 typedef typename traits_type::int_type int_type;
197 typedef typename traits_type::pos_type pos_type;
198 typedef typename traits_type::off_type off_type;
199 typedef _Allocator allocator_type;
200
201 typedef basic_string<char_type, traits_type, allocator_type> string_type;
202
203private:
204
205 string_type __str_;
206 mutable char_type* __hm_;
207 ios_base::openmode __mode_;
208
209public:
210 // 27.8.1.1 Constructors:
211 inline _LIBCPP_INLINE_VISIBILITY
212 explicit basic_stringbuf(ios_base::openmode __wch = ios_base::in | ios_base::out);
213 inline _LIBCPP_INLINE_VISIBILITY
214 explicit basic_stringbuf(const string_type& __s,
215 ios_base::openmode __wch = ios_base::in | ios_base::out);
216#ifndef _LIBCPP_CXX03_LANG
217 basic_stringbuf(basic_stringbuf&& __rhs);
218
219 // 27.8.1.2 Assign and swap:
220 basic_stringbuf& operator=(basic_stringbuf&& __rhs);
221#endif
222 void swap(basic_stringbuf& __rhs);
223
224 // 27.8.1.3 Get and set:
225 string_type str() const;
226 void str(const string_type& __s);
227
228protected:
229 // 27.8.1.4 Overridden virtual functions:
230 virtual int_type underflow();
231 virtual int_type pbackfail(int_type __c = traits_type::eof());
232 virtual int_type overflow (int_type __c = traits_type::eof());
233 virtual pos_type seekoff(off_type __off, ios_base::seekdir __way,
234 ios_base::openmode __wch = ios_base::in | ios_base::out);
235 inline _LIBCPP_INLINE_VISIBILITY
236 virtual pos_type seekpos(pos_type __sp,
237 ios_base::openmode __wch = ios_base::in | ios_base::out);
238};
239
240template <class _CharT, class _Traits, class _Allocator>
241basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(ios_base::openmode __wch)
242 : __hm_(0),
243 __mode_(__wch)
244{
245}
246
247template <class _CharT, class _Traits, class _Allocator>
248basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(const string_type& __s,
249 ios_base::openmode __wch)
250 : __str_(__s.get_allocator()),
251 __hm_(0),
252 __mode_(__wch)
253{
254 str(__s);
255}
256
257#ifndef _LIBCPP_CXX03_LANG
258
259template <class _CharT, class _Traits, class _Allocator>
260basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
261 : __mode_(__rhs.__mode_)
262{
263 char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
264 ptrdiff_t __binp = -1;
265 ptrdiff_t __ninp = -1;
266 ptrdiff_t __einp = -1;
267 if (__rhs.eback() != nullptr)
268 {
269 __binp = __rhs.eback() - __p;
270 __ninp = __rhs.gptr() - __p;
271 __einp = __rhs.egptr() - __p;
272 }
273 ptrdiff_t __bout = -1;
274 ptrdiff_t __nout = -1;
275 ptrdiff_t __eout = -1;
276 if (__rhs.pbase() != nullptr)
277 {
278 __bout = __rhs.pbase() - __p;
279 __nout = __rhs.pptr() - __p;
280 __eout = __rhs.epptr() - __p;
281 }
282 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
283 __str_ = _VSTD::move(__rhs.__str_);
284 __p = const_cast<char_type*>(__str_.data());
285 if (__binp != -1)
286 this->setg(__p + __binp, __p + __ninp, __p + __einp);
287 if (__bout != -1)
288 {
289 this->setp(__p + __bout, __p + __eout);
290 this->__pbump(__nout);
291 }
292 __hm_ = __hm == -1 ? nullptr : __p + __hm;
293 __p = const_cast<char_type*>(__rhs.__str_.data());
294 __rhs.setg(__p, __p, __p);
295 __rhs.setp(__p, __p);
296 __rhs.__hm_ = __p;
297 this->pubimbue(__rhs.getloc());
298}
299
300template <class _CharT, class _Traits, class _Allocator>
301basic_stringbuf<_CharT, _Traits, _Allocator>&
302basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
303{
304 char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
305 ptrdiff_t __binp = -1;
306 ptrdiff_t __ninp = -1;
307 ptrdiff_t __einp = -1;
308 if (__rhs.eback() != nullptr)
309 {
310 __binp = __rhs.eback() - __p;
311 __ninp = __rhs.gptr() - __p;
312 __einp = __rhs.egptr() - __p;
313 }
314 ptrdiff_t __bout = -1;
315 ptrdiff_t __nout = -1;
316 ptrdiff_t __eout = -1;
317 if (__rhs.pbase() != nullptr)
318 {
319 __bout = __rhs.pbase() - __p;
320 __nout = __rhs.pptr() - __p;
321 __eout = __rhs.epptr() - __p;
322 }
323 ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
324 __str_ = _VSTD::move(__rhs.__str_);
325 __p = const_cast<char_type*>(__str_.data());
326 if (__binp != -1)
327 this->setg(__p + __binp, __p + __ninp, __p + __einp);
328 else
329 this->setg(nullptr, nullptr, nullptr);
330 if (__bout != -1)
331 {
332 this->setp(__p + __bout, __p + __eout);
333 this->__pbump(__nout);
334 }
335 else
336 this->setp(nullptr, nullptr);
337
338 __hm_ = __hm == -1 ? nullptr : __p + __hm;
339 __mode_ = __rhs.__mode_;
340 __p = const_cast<char_type*>(__rhs.__str_.data());
341 __rhs.setg(__p, __p, __p);
342 __rhs.setp(__p, __p);
343 __rhs.__hm_ = __p;
344 this->pubimbue(__rhs.getloc());
345 return *this;
346}
347
348#endif // _LIBCPP_CXX03_LANG
349
350template <class _CharT, class _Traits, class _Allocator>
351void
352basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
353{
354 char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
355 ptrdiff_t __rbinp = -1;
356 ptrdiff_t __rninp = -1;
357 ptrdiff_t __reinp = -1;
358 if (__rhs.eback() != nullptr)
359 {
360 __rbinp = __rhs.eback() - __p;
361 __rninp = __rhs.gptr() - __p;
362 __reinp = __rhs.egptr() - __p;
363 }
364 ptrdiff_t __rbout = -1;
365 ptrdiff_t __rnout = -1;
366 ptrdiff_t __reout = -1;
367 if (__rhs.pbase() != nullptr)
368 {
369 __rbout = __rhs.pbase() - __p;
370 __rnout = __rhs.pptr() - __p;
371 __reout = __rhs.epptr() - __p;
372 }
373 ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
374 __p = const_cast<char_type*>(__str_.data());
375 ptrdiff_t __lbinp = -1;
376 ptrdiff_t __lninp = -1;
377 ptrdiff_t __leinp = -1;
378 if (this->eback() != nullptr)
379 {
380 __lbinp = this->eback() - __p;
381 __lninp = this->gptr() - __p;
382 __leinp = this->egptr() - __p;
383 }
384 ptrdiff_t __lbout = -1;
385 ptrdiff_t __lnout = -1;
386 ptrdiff_t __leout = -1;
387 if (this->pbase() != nullptr)
388 {
389 __lbout = this->pbase() - __p;
390 __lnout = this->pptr() - __p;
391 __leout = this->epptr() - __p;
392 }
393 ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p;
394 _VSTD::swap(__mode_, __rhs.__mode_);
395 __str_.swap(__rhs.__str_);
396 __p = const_cast<char_type*>(__str_.data());
397 if (__rbinp != -1)
398 this->setg(__p + __rbinp, __p + __rninp, __p + __reinp);
399 else
400 this->setg(nullptr, nullptr, nullptr);
401 if (__rbout != -1)
402 {
403 this->setp(__p + __rbout, __p + __reout);
404 this->__pbump(__rnout);
405 }
406 else
407 this->setp(nullptr, nullptr);
408 __hm_ = __rhm == -1 ? nullptr : __p + __rhm;
409 __p = const_cast<char_type*>(__rhs.__str_.data());
410 if (__lbinp != -1)
411 __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp);
412 else
413 __rhs.setg(nullptr, nullptr, nullptr);
414 if (__lbout != -1)
415 {
416 __rhs.setp(__p + __lbout, __p + __leout);
417 __rhs.__pbump(__lnout);
418 }
419 else
420 __rhs.setp(nullptr, nullptr);
421 __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm;
422 locale __tl = __rhs.getloc();
423 __rhs.pubimbue(this->getloc());
424 this->pubimbue(__tl);
425}
426
427template <class _CharT, class _Traits, class _Allocator>
428inline _LIBCPP_INLINE_VISIBILITY
429void
430swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
431 basic_stringbuf<_CharT, _Traits, _Allocator>& __y)
432{
433 __x.swap(__y);
434}
435
436template <class _CharT, class _Traits, class _Allocator>
437basic_string<_CharT, _Traits, _Allocator>
438basic_stringbuf<_CharT, _Traits, _Allocator>::str() const
439{
440 if (__mode_ & ios_base::out)
441 {
442 if (__hm_ < this->pptr())
443 __hm_ = this->pptr();
444 return string_type(this->pbase(), __hm_, __str_.get_allocator());
445 }
446 else if (__mode_ & ios_base::in)
447 return string_type(this->eback(), this->egptr(), __str_.get_allocator());
448 return string_type(__str_.get_allocator());
449}
450
451template <class _CharT, class _Traits, class _Allocator>
452void
453basic_stringbuf<_CharT, _Traits, _Allocator>::str(const string_type& __s)
454{
455 __str_ = __s;
456 __hm_ = 0;
457 if (__mode_ & ios_base::in)
458 {
459 __hm_ = const_cast<char_type*>(__str_.data()) + __str_.size();
460 this->setg(const_cast<char_type*>(__str_.data()),
461 const_cast<char_type*>(__str_.data()),
462 __hm_);
463 }
464 if (__mode_ & ios_base::out)
465 {
466 typename string_type::size_type __sz = __str_.size();
467 __hm_ = const_cast<char_type*>(__str_.data()) + __sz;
468 __str_.resize(__str_.capacity());
469 this->setp(const_cast<char_type*>(__str_.data()),
470 const_cast<char_type*>(__str_.data()) + __str_.size());
471 if (__mode_ & (ios_base::app | ios_base::ate))
472 {
473 while (__sz > INT_MAX)
474 {
475 this->pbump(INT_MAX);
476 __sz -= INT_MAX;
477 }
478 if (__sz > 0)
479 this->pbump(__sz);
480 }
481 }
482}
483
484template <class _CharT, class _Traits, class _Allocator>
485typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
486basic_stringbuf<_CharT, _Traits, _Allocator>::underflow()
487{
488 if (__hm_ < this->pptr())
489 __hm_ = this->pptr();
490 if (__mode_ & ios_base::in)
491 {
492 if (this->egptr() < __hm_)
493 this->setg(this->eback(), this->gptr(), __hm_);
494 if (this->gptr() < this->egptr())
495 return traits_type::to_int_type(*this->gptr());
496 }
497 return traits_type::eof();
498}
499
500template <class _CharT, class _Traits, class _Allocator>
501typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
502basic_stringbuf<_CharT, _Traits, _Allocator>::pbackfail(int_type __c)
503{
504 if (__hm_ < this->pptr())
505 __hm_ = this->pptr();
506 if (this->eback() < this->gptr())
507 {
508 if (traits_type::eq_int_type(__c, traits_type::eof()))
509 {
510 this->setg(this->eback(), this->gptr()-1, __hm_);
511 return traits_type::not_eof(__c);
512 }
513 if ((__mode_ & ios_base::out) ||
514 traits_type::eq(traits_type::to_char_type(__c), this->gptr()[-1]))
515 {
516 this->setg(this->eback(), this->gptr()-1, __hm_);
517 *this->gptr() = traits_type::to_char_type(__c);
518 return __c;
519 }
520 }
521 return traits_type::eof();
522}
523
524template <class _CharT, class _Traits, class _Allocator>
525typename basic_stringbuf<_CharT, _Traits, _Allocator>::int_type
526basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
527{
528 if (!traits_type::eq_int_type(__c, traits_type::eof()))
529 {
530 ptrdiff_t __ninp = this->gptr() - this->eback();
531 if (this->pptr() == this->epptr())
532 {
533 if (!(__mode_ & ios_base::out))
534 return traits_type::eof();
535#ifndef _LIBCPP_NO_EXCEPTIONS
536 try
537 {
538#endif // _LIBCPP_NO_EXCEPTIONS
539 ptrdiff_t __nout = this->pptr() - this->pbase();
540 ptrdiff_t __hm = __hm_ - this->pbase();
541 __str_.push_back(char_type());
542 __str_.resize(__str_.capacity());
543 char_type* __p = const_cast<char_type*>(__str_.data());
544 this->setp(__p, __p + __str_.size());
545 this->__pbump(__nout);
546 __hm_ = this->pbase() + __hm;
547#ifndef _LIBCPP_NO_EXCEPTIONS
548 }
549 catch (...)
550 {
551 return traits_type::eof();
552 }
553#endif // _LIBCPP_NO_EXCEPTIONS
554 }
555 __hm_ = _VSTD::max(this->pptr() + 1, __hm_);
556 if (__mode_ & ios_base::in)
557 {
558 char_type* __p = const_cast<char_type*>(__str_.data());
559 this->setg(__p, __p + __ninp, __hm_);
560 }
561 return this->sputc(traits_type::to_char_type(__c));
562 }
563 return traits_type::not_eof(__c);
564}
565
566template <class _CharT, class _Traits, class _Allocator>
567typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
568basic_stringbuf<_CharT, _Traits, _Allocator>::seekoff(off_type __off,
569 ios_base::seekdir __way,
570 ios_base::openmode __wch)
571{
572 if (__hm_ < this->pptr())
573 __hm_ = this->pptr();
574 if ((__wch & (ios_base::in | ios_base::out)) == 0)
575 return pos_type(-1);
576 if ((__wch & (ios_base::in | ios_base::out)) == (ios_base::in | ios_base::out)
577 && __way == ios_base::cur)
578 return pos_type(-1);
579 const ptrdiff_t __hm = __hm_ == nullptr ? 0 : __hm_ - __str_.data();
580 off_type __noff;
581 switch (__way)
582 {
583 case ios_base::beg:
584 __noff = 0;
585 break;
586 case ios_base::cur:
587 if (__wch & ios_base::in)
588 __noff = this->gptr() - this->eback();
589 else
590 __noff = this->pptr() - this->pbase();
591 break;
592 case ios_base::end:
593 __noff = __hm;
594 break;
595 default:
596 return pos_type(-1);
597 }
598 __noff += __off;
599 if (__noff < 0 || __hm < __noff)
600 return pos_type(-1);
601 if (__noff != 0)
602 {
603 if ((__wch & ios_base::in) && this->gptr() == 0)
604 return pos_type(-1);
605 if ((__wch & ios_base::out) && this->pptr() == 0)
606 return pos_type(-1);
607 }
608 if (__wch & ios_base::in)
609 this->setg(this->eback(), this->eback() + __noff, __hm_);
610 if (__wch & ios_base::out)
611 {
612 this->setp(this->pbase(), this->epptr());
613 this->pbump(__noff);
614 }
615 return pos_type(__noff);
616}
617
618template <class _CharT, class _Traits, class _Allocator>
619typename basic_stringbuf<_CharT, _Traits, _Allocator>::pos_type
620basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp,
621 ios_base::openmode __wch)
622{
623 return seekoff(__sp, ios_base::beg, __wch);
624}
625
626// basic_istringstream
627
628template <class _CharT, class _Traits, class _Allocator>
629class _LIBCPP_TEMPLATE_VIS basic_istringstream
630 : public basic_istream<_CharT, _Traits>
631{
632public:
633 typedef _CharT char_type;
634 typedef _Traits traits_type;
635 typedef typename traits_type::int_type int_type;
636 typedef typename traits_type::pos_type pos_type;
637 typedef typename traits_type::off_type off_type;
638 typedef _Allocator allocator_type;
639
640 typedef basic_string<char_type, traits_type, allocator_type> string_type;
641
642private:
643 basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
644
645public:
646 // 27.8.2.1 Constructors:
647 inline _LIBCPP_INLINE_VISIBILITY
648 explicit basic_istringstream(ios_base::openmode __wch = ios_base::in);
649 inline _LIBCPP_INLINE_VISIBILITY
650 explicit basic_istringstream(const string_type& __s,
651 ios_base::openmode __wch = ios_base::in);
652#ifndef _LIBCPP_CXX03_LANG
653 inline _LIBCPP_INLINE_VISIBILITY
654 basic_istringstream(basic_istringstream&& __rhs);
655
656 // 27.8.2.2 Assign and swap:
657 basic_istringstream& operator=(basic_istringstream&& __rhs);
658#endif // _LIBCPP_CXX03_LANG
659 inline _LIBCPP_INLINE_VISIBILITY
660 void swap(basic_istringstream& __rhs);
661
662 // 27.8.2.3 Members:
663 inline _LIBCPP_INLINE_VISIBILITY
664 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
665 inline _LIBCPP_INLINE_VISIBILITY
666 string_type str() const;
667 inline _LIBCPP_INLINE_VISIBILITY
668 void str(const string_type& __s);
669};
670
671template <class _CharT, class _Traits, class _Allocator>
672basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(ios_base::openmode __wch)
673 : basic_istream<_CharT, _Traits>(&__sb_),
674 __sb_(__wch | ios_base::in)
675{
676}
677
678template <class _CharT, class _Traits, class _Allocator>
679basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const string_type& __s,
680 ios_base::openmode __wch)
681 : basic_istream<_CharT, _Traits>(&__sb_),
682 __sb_(__s, __wch | ios_base::in)
683{
684}
685
686#ifndef _LIBCPP_CXX03_LANG
687
688template <class _CharT, class _Traits, class _Allocator>
689basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs)
690 : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)),
691 __sb_(_VSTD::move(__rhs.__sb_))
692{
693 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
694}
695
696template <class _CharT, class _Traits, class _Allocator>
697basic_istringstream<_CharT, _Traits, _Allocator>&
698basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs)
699{
700 basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
701 __sb_ = _VSTD::move(__rhs.__sb_);
702 return *this;
703}
704
705#endif // _LIBCPP_CXX03_LANG
706
707template <class _CharT, class _Traits, class _Allocator>
708void basic_istringstream<_CharT, _Traits, _Allocator>::swap(basic_istringstream& __rhs)
709{
710 basic_istream<char_type, traits_type>::swap(__rhs);
711 __sb_.swap(__rhs.__sb_);
712}
713
714template <class _CharT, class _Traits, class _Allocator>
715inline _LIBCPP_INLINE_VISIBILITY
716void
717swap(basic_istringstream<_CharT, _Traits, _Allocator>& __x,
718 basic_istringstream<_CharT, _Traits, _Allocator>& __y)
719{
720 __x.swap(__y);
721}
722
723template <class _CharT, class _Traits, class _Allocator>
724basic_stringbuf<_CharT, _Traits, _Allocator>*
725basic_istringstream<_CharT, _Traits, _Allocator>::rdbuf() const
726{
727 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
728}
729
730template <class _CharT, class _Traits, class _Allocator>
731basic_string<_CharT, _Traits, _Allocator>
732basic_istringstream<_CharT, _Traits, _Allocator>::str() const
733{
734 return __sb_.str();
735}
736
737template <class _CharT, class _Traits, class _Allocator>
738void basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
739{
740 __sb_.str(__s);
741}
742
743// basic_ostringstream
744
745template <class _CharT, class _Traits, class _Allocator>
746class _LIBCPP_TEMPLATE_VIS basic_ostringstream
747 : public basic_ostream<_CharT, _Traits>
748{
749public:
750 typedef _CharT char_type;
751 typedef _Traits traits_type;
752 typedef typename traits_type::int_type int_type;
753 typedef typename traits_type::pos_type pos_type;
754 typedef typename traits_type::off_type off_type;
755 typedef _Allocator allocator_type;
756
757 typedef basic_string<char_type, traits_type, allocator_type> string_type;
758
759private:
760 basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
761
762public:
763 // 27.8.2.1 Constructors:
764 inline _LIBCPP_INLINE_VISIBILITY
765 explicit basic_ostringstream(ios_base::openmode __wch = ios_base::out);
766 inline _LIBCPP_INLINE_VISIBILITY
767 explicit basic_ostringstream(const string_type& __s,
768 ios_base::openmode __wch = ios_base::out);
769#ifndef _LIBCPP_CXX03_LANG
770 inline _LIBCPP_INLINE_VISIBILITY
771 basic_ostringstream(basic_ostringstream&& __rhs);
772
773 // 27.8.2.2 Assign and swap:
774 basic_ostringstream& operator=(basic_ostringstream&& __rhs);
775#endif // _LIBCPP_CXX03_LANG
776 inline _LIBCPP_INLINE_VISIBILITY
777 void swap(basic_ostringstream& __rhs);
778
779 // 27.8.2.3 Members:
780 inline _LIBCPP_INLINE_VISIBILITY
781 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
782 inline _LIBCPP_INLINE_VISIBILITY
783 string_type str() const;
784 inline _LIBCPP_INLINE_VISIBILITY
785 void str(const string_type& __s);
786};
787
788template <class _CharT, class _Traits, class _Allocator>
789basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(ios_base::openmode __wch)
790 : basic_ostream<_CharT, _Traits>(&__sb_),
791 __sb_(__wch | ios_base::out)
792{
793}
794
795template <class _CharT, class _Traits, class _Allocator>
796basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const string_type& __s,
797 ios_base::openmode __wch)
798 : basic_ostream<_CharT, _Traits>(&__sb_),
799 __sb_(__s, __wch | ios_base::out)
800{
801}
802
803#ifndef _LIBCPP_CXX03_LANG
804
805template <class _CharT, class _Traits, class _Allocator>
806basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs)
807 : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)),
808 __sb_(_VSTD::move(__rhs.__sb_))
809{
810 basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
811}
812
813template <class _CharT, class _Traits, class _Allocator>
814basic_ostringstream<_CharT, _Traits, _Allocator>&
815basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs)
816{
817 basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
818 __sb_ = _VSTD::move(__rhs.__sb_);
819 return *this;
820}
821
822#endif // _LIBCPP_CXX03_LANG
823
824template <class _CharT, class _Traits, class _Allocator>
825void
826basic_ostringstream<_CharT, _Traits, _Allocator>::swap(basic_ostringstream& __rhs)
827{
828 basic_ostream<char_type, traits_type>::swap(__rhs);
829 __sb_.swap(__rhs.__sb_);
830}
831
832template <class _CharT, class _Traits, class _Allocator>
833inline _LIBCPP_INLINE_VISIBILITY
834void
835swap(basic_ostringstream<_CharT, _Traits, _Allocator>& __x,
836 basic_ostringstream<_CharT, _Traits, _Allocator>& __y)
837{
838 __x.swap(__y);
839}
840
841template <class _CharT, class _Traits, class _Allocator>
842basic_stringbuf<_CharT, _Traits, _Allocator>*
843basic_ostringstream<_CharT, _Traits, _Allocator>::rdbuf() const
844{
845 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
846}
847
848template <class _CharT, class _Traits, class _Allocator>
849basic_string<_CharT, _Traits, _Allocator>
850basic_ostringstream<_CharT, _Traits, _Allocator>::str() const
851{
852 return __sb_.str();
853}
854
855template <class _CharT, class _Traits, class _Allocator>
856void
857basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
858{
859 __sb_.str(__s);
860}
861
862// basic_stringstream
863
864template <class _CharT, class _Traits, class _Allocator>
865class _LIBCPP_TEMPLATE_VIS basic_stringstream
866 : public basic_iostream<_CharT, _Traits>
867{
868public:
869 typedef _CharT char_type;
870 typedef _Traits traits_type;
871 typedef typename traits_type::int_type int_type;
872 typedef typename traits_type::pos_type pos_type;
873 typedef typename traits_type::off_type off_type;
874 typedef _Allocator allocator_type;
875
876 typedef basic_string<char_type, traits_type, allocator_type> string_type;
877
878private:
879 basic_stringbuf<char_type, traits_type, allocator_type> __sb_;
880
881public:
882 // 27.8.2.1 Constructors:
883 inline _LIBCPP_INLINE_VISIBILITY
884 explicit basic_stringstream(ios_base::openmode __wch = ios_base::in | ios_base::out);
885 inline _LIBCPP_INLINE_VISIBILITY
886 explicit basic_stringstream(const string_type& __s,
887 ios_base::openmode __wch = ios_base::in | ios_base::out);
888#ifndef _LIBCPP_CXX03_LANG
889 inline _LIBCPP_INLINE_VISIBILITY
890 basic_stringstream(basic_stringstream&& __rhs);
891
892 // 27.8.2.2 Assign and swap:
893 basic_stringstream& operator=(basic_stringstream&& __rhs);
894#endif // _LIBCPP_CXX03_LANG
895 inline _LIBCPP_INLINE_VISIBILITY
896 void swap(basic_stringstream& __rhs);
897
898 // 27.8.2.3 Members:
899 inline _LIBCPP_INLINE_VISIBILITY
900 basic_stringbuf<char_type, traits_type, allocator_type>* rdbuf() const;
901 inline _LIBCPP_INLINE_VISIBILITY
902 string_type str() const;
903 inline _LIBCPP_INLINE_VISIBILITY
904 void str(const string_type& __s);
905};
906
907template <class _CharT, class _Traits, class _Allocator>
908basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(ios_base::openmode __wch)
909 : basic_iostream<_CharT, _Traits>(&__sb_),
910 __sb_(__wch)
911{
912}
913
914template <class _CharT, class _Traits, class _Allocator>
915basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string_type& __s,
916 ios_base::openmode __wch)
917 : basic_iostream<_CharT, _Traits>(&__sb_),
918 __sb_(__s, __wch)
919{
920}
921
922#ifndef _LIBCPP_CXX03_LANG
923
924template <class _CharT, class _Traits, class _Allocator>
925basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs)
926 : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)),
927 __sb_(_VSTD::move(__rhs.__sb_))
928{
929 basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
930}
931
932template <class _CharT, class _Traits, class _Allocator>
933basic_stringstream<_CharT, _Traits, _Allocator>&
934basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs)
935{
936 basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
937 __sb_ = _VSTD::move(__rhs.__sb_);
938 return *this;
939}
940
941#endif // _LIBCPP_CXX03_LANG
942
943template <class _CharT, class _Traits, class _Allocator>
944void
945basic_stringstream<_CharT, _Traits, _Allocator>::swap(basic_stringstream& __rhs)
946{
947 basic_iostream<char_type, traits_type>::swap(__rhs);
948 __sb_.swap(__rhs.__sb_);
949}
950
951template <class _CharT, class _Traits, class _Allocator>
952inline _LIBCPP_INLINE_VISIBILITY
953void
954swap(basic_stringstream<_CharT, _Traits, _Allocator>& __x,
955 basic_stringstream<_CharT, _Traits, _Allocator>& __y)
956{
957 __x.swap(__y);
958}
959
960template <class _CharT, class _Traits, class _Allocator>
961basic_stringbuf<_CharT, _Traits, _Allocator>*
962basic_stringstream<_CharT, _Traits, _Allocator>::rdbuf() const
963{
964 return const_cast<basic_stringbuf<char_type, traits_type, allocator_type>*>(&__sb_);
965}
966
967template <class _CharT, class _Traits, class _Allocator>
968basic_string<_CharT, _Traits, _Allocator>
969basic_stringstream<_CharT, _Traits, _Allocator>::str() const
970{
971 return __sb_.str();
972}
973
974template <class _CharT, class _Traits, class _Allocator>
975void
976basic_stringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
977{
978 __sb_.str(__s);
979}
980
981_LIBCPP_END_NAMESPACE_STD
982
983_LIBCPP_POP_MACROS
984
985#endif // _LIBCPP_SSTREAM
986