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Howard Hinnantbc8d3f92010-05-11 19:42:16 +00001// -*- C++ -*-
2//===---------------------------- ios -------------------------------------===//
3//
Howard Hinnantf5256e12010-05-11 21:36:01 +00004// The LLVM Compiler Infrastructure
Howard Hinnantbc8d3f92010-05-11 19:42:16 +00005//
Howard Hinnantb64f8b02010-11-16 22:09:02 +00006// This file is dual licensed under the MIT and the University of Illinois Open
7// Source Licenses. See LICENSE.TXT for details.
Howard Hinnantbc8d3f92010-05-11 19:42:16 +00008//
9//===----------------------------------------------------------------------===//
10
11#ifndef _LIBCPP_IOS
12#define _LIBCPP_IOS
13
14/*
15 ios synopsis
16
17#include <iosfwd>
18
19namespace std
20{
21
22typedef OFF_T streamoff;
23typedef SZ_T streamsize;
24template <class stateT> class fpos;
25
26class ios_base
27{
28public:
29 class failure;
30
31 typedef T1 fmtflags;
Howard Hinnantf57bd562012-07-21 01:03:40 +000032 static constexpr fmtflags boolalpha;
33 static constexpr fmtflags dec;
34 static constexpr fmtflags fixed;
35 static constexpr fmtflags hex;
36 static constexpr fmtflags internal;
37 static constexpr fmtflags left;
38 static constexpr fmtflags oct;
39 static constexpr fmtflags right;
40 static constexpr fmtflags scientific;
41 static constexpr fmtflags showbase;
42 static constexpr fmtflags showpoint;
43 static constexpr fmtflags showpos;
44 static constexpr fmtflags skipws;
45 static constexpr fmtflags unitbuf;
46 static constexpr fmtflags uppercase;
47 static constexpr fmtflags adjustfield;
48 static constexpr fmtflags basefield;
49 static constexpr fmtflags floatfield;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000050
51 typedef T2 iostate;
Howard Hinnantf57bd562012-07-21 01:03:40 +000052 static constexpr iostate badbit;
53 static constexpr iostate eofbit;
54 static constexpr iostate failbit;
55 static constexpr iostate goodbit;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000056
57 typedef T3 openmode;
Howard Hinnantf57bd562012-07-21 01:03:40 +000058 static constexpr openmode app;
59 static constexpr openmode ate;
60 static constexpr openmode binary;
61 static constexpr openmode in;
62 static constexpr openmode out;
63 static constexpr openmode trunc;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000064
65 typedef T4 seekdir;
Howard Hinnantf57bd562012-07-21 01:03:40 +000066 static constexpr seekdir beg;
67 static constexpr seekdir cur;
68 static constexpr seekdir end;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +000069
70 class Init;
71
72 // 27.5.2.2 fmtflags state:
73 fmtflags flags() const;
74 fmtflags flags(fmtflags fmtfl);
75 fmtflags setf(fmtflags fmtfl);
76 fmtflags setf(fmtflags fmtfl, fmtflags mask);
77 void unsetf(fmtflags mask);
78
79 streamsize precision() const;
80 streamsize precision(streamsize prec);
81 streamsize width() const;
82 streamsize width(streamsize wide);
83
84 // 27.5.2.3 locales:
85 locale imbue(const locale& loc);
86 locale getloc() const;
87
88 // 27.5.2.5 storage:
89 static int xalloc();
90 long& iword(int index);
91 void*& pword(int index);
92
93 // destructor
94 virtual ~ios_base();
95
96 // 27.5.2.6 callbacks;
97 enum event { erase_event, imbue_event, copyfmt_event };
98 typedef void (*event_callback)(event, ios_base&, int index);
99 void register_callback(event_callback fn, int index);
100
101 ios_base(const ios_base&) = delete;
102 ios_base& operator=(const ios_base&) = delete;
103
104 static bool sync_with_stdio(bool sync = true);
105
106protected:
107 ios_base();
108};
109
110template <class charT, class traits = char_traits<charT> >
111class basic_ios
112 : public ios_base
113{
114public:
115 // types:
116 typedef charT char_type;
117 typedef typename traits::int_type int_type;
118 typedef typename traits::pos_type pos_type;
119 typedef typename traits::off_type off_type;
120 typedef traits traits_type;
121
122 operator unspecified-bool-type() const;
123 bool operator!() const;
124 iostate rdstate() const;
125 void clear(iostate state = goodbit);
126 void setstate(iostate state);
127 bool good() const;
128 bool eof() const;
129 bool fail() const;
130 bool bad() const;
131
132 iostate exceptions() const;
133 void exceptions(iostate except);
134
135 // 27.5.4.1 Constructor/destructor:
136 explicit basic_ios(basic_streambuf<charT,traits>* sb);
137 virtual ~basic_ios();
138
139 // 27.5.4.2 Members:
140 basic_ostream<charT,traits>* tie() const;
141 basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr);
142
143 basic_streambuf<charT,traits>* rdbuf() const;
144 basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb);
145
146 basic_ios& copyfmt(const basic_ios& rhs);
147
148 char_type fill() const;
149 char_type fill(char_type ch);
150
151 locale imbue(const locale& loc);
152
153 char narrow(char_type c, char dfault) const;
154 char_type widen(char c) const;
155
156 basic_ios(const basic_ios& ) = delete;
157 basic_ios& operator=(const basic_ios&) = delete;
158
159protected:
160 basic_ios();
161 void init(basic_streambuf<charT,traits>* sb);
162 void move(basic_ios& rhs);
Howard Hinnantf57bd562012-07-21 01:03:40 +0000163 void swap(basic_ios& rhs) noexcept;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000164 void set_rdbuf(basic_streambuf<charT, traits>* sb);
165};
166
167// 27.5.5, manipulators:
168ios_base& boolalpha (ios_base& str);
169ios_base& noboolalpha(ios_base& str);
170ios_base& showbase (ios_base& str);
171ios_base& noshowbase (ios_base& str);
172ios_base& showpoint (ios_base& str);
173ios_base& noshowpoint(ios_base& str);
174ios_base& showpos (ios_base& str);
175ios_base& noshowpos (ios_base& str);
176ios_base& skipws (ios_base& str);
177ios_base& noskipws (ios_base& str);
178ios_base& uppercase (ios_base& str);
179ios_base& nouppercase(ios_base& str);
180ios_base& unitbuf (ios_base& str);
181ios_base& nounitbuf (ios_base& str);
182
183// 27.5.5.2 adjustfield:
184ios_base& internal (ios_base& str);
185ios_base& left (ios_base& str);
186ios_base& right (ios_base& str);
187
188// 27.5.5.3 basefield:
189ios_base& dec (ios_base& str);
190ios_base& hex (ios_base& str);
191ios_base& oct (ios_base& str);
192
193// 27.5.5.4 floatfield:
194ios_base& fixed (ios_base& str);
195ios_base& scientific (ios_base& str);
196ios_base& hexfloat (ios_base& str);
197ios_base& defaultfloat(ios_base& str);
198
199// 27.5.5.5 error reporting:
200enum class io_errc
201{
202 stream = 1
203};
204
205concept_map ErrorCodeEnum<io_errc> { };
206error_code make_error_code(io_errc e);
207error_condition make_error_condition(io_errc e);
208storage-class-specifier const error_category& iostream_category;
209
210} // std
211
212*/
213
214#include <__config>
215#include <iosfwd>
216#include <__locale>
217#include <system_error>
218
Howard Hinnant08e17472011-10-17 20:05:10 +0000219#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000220#pragma GCC system_header
Howard Hinnant08e17472011-10-17 20:05:10 +0000221#endif
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000222
223_LIBCPP_BEGIN_NAMESPACE_STD
224
225typedef ptrdiff_t streamsize;
226
Howard Hinnant83eade62013-03-06 23:30:19 +0000227class _LIBCPP_TYPE_VIS ios_base
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000228{
229public:
Howard Hinnant83eade62013-03-06 23:30:19 +0000230 class _LIBCPP_TYPE_VIS failure;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000231
232 typedef unsigned int fmtflags;
233 static const fmtflags boolalpha = 0x0001;
234 static const fmtflags dec = 0x0002;
235 static const fmtflags fixed = 0x0004;
236 static const fmtflags hex = 0x0008;
237 static const fmtflags internal = 0x0010;
238 static const fmtflags left = 0x0020;
239 static const fmtflags oct = 0x0040;
240 static const fmtflags right = 0x0080;
241 static const fmtflags scientific = 0x0100;
242 static const fmtflags showbase = 0x0200;
243 static const fmtflags showpoint = 0x0400;
244 static const fmtflags showpos = 0x0800;
245 static const fmtflags skipws = 0x1000;
246 static const fmtflags unitbuf = 0x2000;
247 static const fmtflags uppercase = 0x4000;
248 static const fmtflags adjustfield = left | right | internal;
249 static const fmtflags basefield = dec | oct | hex;
250 static const fmtflags floatfield = scientific | fixed;
251
252 typedef unsigned int iostate;
253 typedef iostate io_state;
254 static const iostate badbit = 0x1;
255 static const iostate eofbit = 0x2;
256 static const iostate failbit = 0x4;
257 static const iostate goodbit = 0x0;
258
259 typedef unsigned int openmode;
260 typedef openmode open_mode;
261 static const openmode app = 0x01;
262 static const openmode ate = 0x02;
263 static const openmode binary = 0x04;
264 static const openmode in = 0x08;
265 static const openmode out = 0x10;
266 static const openmode trunc = 0x20;
267
268 enum seekdir {beg, cur, end};
269 typedef seekdir seek_dir;
270
Howard Hinnant0949eed2011-06-30 21:18:19 +0000271 typedef _VSTD::streamoff streamoff;
272 typedef _VSTD::streampos streampos;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000273
Howard Hinnant83eade62013-03-06 23:30:19 +0000274 class _LIBCPP_TYPE_VIS Init;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000275
276 // 27.5.2.2 fmtflags state:
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000277 _LIBCPP_INLINE_VISIBILITY fmtflags flags() const;
278 _LIBCPP_INLINE_VISIBILITY fmtflags flags(fmtflags __fmtfl);
279 _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl);
280 _LIBCPP_INLINE_VISIBILITY fmtflags setf(fmtflags __fmtfl, fmtflags __mask);
281 _LIBCPP_INLINE_VISIBILITY void unsetf(fmtflags __mask);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000282
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000283 _LIBCPP_INLINE_VISIBILITY streamsize precision() const;
284 _LIBCPP_INLINE_VISIBILITY streamsize precision(streamsize __prec);
285 _LIBCPP_INLINE_VISIBILITY streamsize width() const;
286 _LIBCPP_INLINE_VISIBILITY streamsize width(streamsize __wide);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000287
288 // 27.5.2.3 locales:
289 locale imbue(const locale& __loc);
290 locale getloc() const;
291
292 // 27.5.2.5 storage:
293 static int xalloc();
294 long& iword(int __index);
295 void*& pword(int __index);
296
297 // destructor
298 virtual ~ios_base();
299
300 // 27.5.2.6 callbacks;
301 enum event { erase_event, imbue_event, copyfmt_event };
302 typedef void (*event_callback)(event, ios_base&, int __index);
303 void register_callback(event_callback __fn, int __index);
304
305private:
306 ios_base(const ios_base&); // = delete;
307 ios_base& operator=(const ios_base&); // = delete;
308
309public:
310 static bool sync_with_stdio(bool __sync = true);
311
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000312 _LIBCPP_INLINE_VISIBILITY iostate rdstate() const;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000313 void clear(iostate __state = goodbit);
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000314 _LIBCPP_INLINE_VISIBILITY void setstate(iostate __state);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000315
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000316 _LIBCPP_INLINE_VISIBILITY bool good() const;
317 _LIBCPP_INLINE_VISIBILITY bool eof() const;
318 _LIBCPP_INLINE_VISIBILITY bool fail() const;
319 _LIBCPP_INLINE_VISIBILITY bool bad() const;
Howard Hinnant324bb032010-08-22 00:02:43 +0000320
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000321 _LIBCPP_INLINE_VISIBILITY iostate exceptions() const;
322 _LIBCPP_INLINE_VISIBILITY void exceptions(iostate __except);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000323
324 void __set_badbit_and_consider_rethrow();
325 void __set_failbit_and_consider_rethrow();
326
327protected:
Howard Hinnant68a8e902010-09-22 15:29:08 +0000328 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000329 ios_base() {// purposefully does no initialization
330 }
331
332 void init(void* __sb);
333 _LIBCPP_ALWAYS_INLINE void* rdbuf() const {return __rdbuf_;}
334
335 _LIBCPP_ALWAYS_INLINE
336 void rdbuf(void* __sb)
337 {
338 __rdbuf_ = __sb;
339 clear();
340 }
341
342 void __call_callbacks(event);
343 void copyfmt(const ios_base&);
344 void move(ios_base&);
Howard Hinnantf57bd562012-07-21 01:03:40 +0000345 void swap(ios_base&) _NOEXCEPT;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000346
347 _LIBCPP_ALWAYS_INLINE
348 void set_rdbuf(void* __sb)
349 {
350 __rdbuf_ = __sb;
351 }
352
353private:
354 // All data members must be scalars
355 fmtflags __fmtflags_;
356 streamsize __precision_;
357 streamsize __width_;
358 iostate __rdstate_;
359 iostate __exceptions_;
360 void* __rdbuf_;
361 void* __loc_;
362 event_callback* __fn_;
363 int* __index_;
364 size_t __event_size_;
365 size_t __event_cap_;
366 static int __xindex_;
367 long* __iarray_;
368 size_t __iarray_size_;
369 size_t __iarray_cap_;
370 void** __parray_;
371 size_t __parray_size_;
372 size_t __parray_cap_;
373};
374
375//enum class io_errc
Howard Hinnantf6d875f2011-12-02 19:36:40 +0000376_LIBCPP_DECLARE_STRONG_ENUM(io_errc)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000377{
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000378 stream = 1
379};
Howard Hinnantf6d875f2011-12-02 19:36:40 +0000380_LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000381
Howard Hinnant68a8e902010-09-22 15:29:08 +0000382template <>
Howard Hinnant83eade62013-03-06 23:30:19 +0000383struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc> : public true_type { };
Howard Hinnantf6d875f2011-12-02 19:36:40 +0000384
385#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
Howard Hinnant68a8e902010-09-22 15:29:08 +0000386template <>
Howard Hinnant83eade62013-03-06 23:30:19 +0000387struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc::__lx> : public true_type { };
Howard Hinnantf6d875f2011-12-02 19:36:40 +0000388#endif
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000389
Howard Hinnant83eade62013-03-06 23:30:19 +0000390_LIBCPP_FUNC_VIS
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000391const error_category& iostream_category();
392
393inline _LIBCPP_INLINE_VISIBILITY
394error_code
395make_error_code(io_errc __e)
396{
397 return error_code(static_cast<int>(__e), iostream_category());
398}
399
400inline _LIBCPP_INLINE_VISIBILITY
401error_condition
402make_error_condition(io_errc __e)
403{
404 return error_condition(static_cast<int>(__e), iostream_category());
405}
406
Howard Hinnant68a8e902010-09-22 15:29:08 +0000407class _LIBCPP_EXCEPTION_ABI ios_base::failure
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000408 : public system_error
Howard Hinnant324bb032010-08-22 00:02:43 +0000409{
410public:
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000411 explicit failure(const string& __msg, const error_code& __ec = io_errc::stream);
Howard Hinnant324bb032010-08-22 00:02:43 +0000412 explicit failure(const char* __msg, const error_code& __ec = io_errc::stream);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000413 virtual ~failure() throw();
414};
415
Howard Hinnant83eade62013-03-06 23:30:19 +0000416class _LIBCPP_TYPE_VIS ios_base::Init
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000417{
418public:
419 Init();
420 ~Init();
421};
422
423// fmtflags
424
425inline _LIBCPP_INLINE_VISIBILITY
426ios_base::fmtflags
427ios_base::flags() const
428{
429 return __fmtflags_;
430}
431
432inline _LIBCPP_INLINE_VISIBILITY
433ios_base::fmtflags
434ios_base::flags(fmtflags __fmtfl)
435{
436 fmtflags __r = __fmtflags_;
437 __fmtflags_ = __fmtfl;
438 return __r;
439}
440
441inline _LIBCPP_INLINE_VISIBILITY
442ios_base::fmtflags
443ios_base::setf(fmtflags __fmtfl)
444{
445 fmtflags __r = __fmtflags_;
446 __fmtflags_ |= __fmtfl;
447 return __r;
448}
449
450inline _LIBCPP_INLINE_VISIBILITY
451void
452ios_base::unsetf(fmtflags __mask)
453{
454 __fmtflags_ &= ~__mask;
455}
456
457inline _LIBCPP_INLINE_VISIBILITY
458ios_base::fmtflags
459ios_base::setf(fmtflags __fmtfl, fmtflags __mask)
460{
461 fmtflags __r = __fmtflags_;
462 unsetf(__mask);
463 __fmtflags_ |= __fmtfl & __mask;
464 return __r;
465}
466
467// precision
468
469inline _LIBCPP_INLINE_VISIBILITY
470streamsize
471ios_base::precision() const
472{
473 return __precision_;
474}
475
476inline _LIBCPP_INLINE_VISIBILITY
477streamsize
478ios_base::precision(streamsize __prec)
479{
480 streamsize __r = __precision_;
481 __precision_ = __prec;
482 return __r;
483}
484
485// width
486
487inline _LIBCPP_INLINE_VISIBILITY
488streamsize
489ios_base::width() const
490{
491 return __width_;
492}
493
494inline _LIBCPP_INLINE_VISIBILITY
495streamsize
496ios_base::width(streamsize __wide)
497{
498 streamsize __r = __width_;
499 __width_ = __wide;
500 return __r;
501}
502
503// iostate
504
505inline _LIBCPP_INLINE_VISIBILITY
506ios_base::iostate
507ios_base::rdstate() const
508{
509 return __rdstate_;
510}
511
512inline _LIBCPP_INLINE_VISIBILITY
513void
514ios_base::setstate(iostate __state)
515{
516 clear(__rdstate_ | __state);
517}
518
519inline _LIBCPP_INLINE_VISIBILITY
520bool
521ios_base::good() const
522{
523 return __rdstate_ == 0;
524}
525
526inline _LIBCPP_INLINE_VISIBILITY
527bool
528ios_base::eof() const
529{
530 return __rdstate_ & eofbit;
531}
532
533inline _LIBCPP_INLINE_VISIBILITY
534bool
535ios_base::fail() const
536{
537 return __rdstate_ & (failbit | badbit);
538}
539
540inline _LIBCPP_INLINE_VISIBILITY
541bool
542ios_base::bad() const
543{
544 return __rdstate_ & badbit;
545}
546
547inline _LIBCPP_INLINE_VISIBILITY
548ios_base::iostate
549ios_base::exceptions() const
550{
551 return __exceptions_;
552}
553
554inline _LIBCPP_INLINE_VISIBILITY
555void
556ios_base::exceptions(iostate __except)
557{
558 __exceptions_ = __except;
559 clear(__rdstate_);
560}
561
562template <class _CharT, class _Traits>
Howard Hinnant83eade62013-03-06 23:30:19 +0000563class _LIBCPP_TYPE_VIS basic_ios
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000564 : public ios_base
565{
566public:
567 // types:
568 typedef _CharT char_type;
569 typedef _Traits traits_type;
570
571 typedef typename traits_type::int_type int_type;
572 typedef typename traits_type::pos_type pos_type;
573 typedef typename traits_type::off_type off_type;
574
Howard Hinnant77861882012-02-21 21:46:43 +0000575 _LIBCPP_ALWAYS_INLINE
576 _LIBCPP_EXPLICIT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000577 operator bool() const {return !fail();}
578 _LIBCPP_ALWAYS_INLINE bool operator!() const {return fail();}
579 _LIBCPP_ALWAYS_INLINE iostate rdstate() const {return ios_base::rdstate();}
580 _LIBCPP_ALWAYS_INLINE void clear(iostate __state = goodbit) {ios_base::clear(__state);}
581 _LIBCPP_ALWAYS_INLINE void setstate(iostate __state) {ios_base::setstate(__state);}
582 _LIBCPP_ALWAYS_INLINE bool good() const {return ios_base::good();}
583 _LIBCPP_ALWAYS_INLINE bool eof() const {return ios_base::eof();}
584 _LIBCPP_ALWAYS_INLINE bool fail() const {return ios_base::fail();}
585 _LIBCPP_ALWAYS_INLINE bool bad() const {return ios_base::bad();}
586
587 _LIBCPP_ALWAYS_INLINE iostate exceptions() const {return ios_base::exceptions();}
588 _LIBCPP_ALWAYS_INLINE void exceptions(iostate __except) {ios_base::exceptions(__except);}
589
590 // 27.5.4.1 Constructor/destructor:
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000591 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000592 explicit basic_ios(basic_streambuf<char_type,traits_type>* __sb);
593 virtual ~basic_ios();
594
595 // 27.5.4.2 Members:
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000596 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000597 basic_ostream<char_type, traits_type>* tie() const;
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000598 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000599 basic_ostream<char_type, traits_type>* tie(basic_ostream<char_type, traits_type>* __tiestr);
600
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000601 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000602 basic_streambuf<char_type, traits_type>* rdbuf() const;
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000603 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000604 basic_streambuf<char_type, traits_type>* rdbuf(basic_streambuf<char_type, traits_type>* __sb);
605
606 basic_ios& copyfmt(const basic_ios& __rhs);
607
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000608 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000609 char_type fill() const;
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000610 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000611 char_type fill(char_type __ch);
612
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000613 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000614 locale imbue(const locale& __loc);
615
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000616 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000617 char narrow(char_type __c, char __dfault) const;
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000618 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000619 char_type widen(char __c) const;
620
621protected:
Howard Hinnant68a8e902010-09-22 15:29:08 +0000622 _LIBCPP_ALWAYS_INLINE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000623 basic_ios() {// purposefully does no initialization
624 }
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000625 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000626 void init(basic_streambuf<char_type, traits_type>* __sb);
627
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000628 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000629 void move(basic_ios& __rhs);
Howard Hinnant73d21a42010-09-04 23:28:19 +0000630#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
Howard Hinnant68a8e902010-09-22 15:29:08 +0000631 _LIBCPP_ALWAYS_INLINE
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000632 void move(basic_ios&& __rhs) {move(__rhs);}
633#endif
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000634 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantf57bd562012-07-21 01:03:40 +0000635 void swap(basic_ios& __rhs) _NOEXCEPT;
Howard Hinnant2d72b1e2010-12-17 14:46:43 +0000636 _LIBCPP_INLINE_VISIBILITY
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000637 void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb);
638private:
639 basic_ostream<char_type, traits_type>* __tie_;
Howard Hinnantc417a802012-08-26 18:05:35 +0000640 mutable int_type __fill_;
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000641};
642
643template <class _CharT, class _Traits>
644inline _LIBCPP_INLINE_VISIBILITY
645basic_ios<_CharT, _Traits>::basic_ios(basic_streambuf<char_type,traits_type>* __sb)
646{
647 init(__sb);
648}
649
650template <class _CharT, class _Traits>
651basic_ios<_CharT, _Traits>::~basic_ios()
652{
653}
654
655template <class _CharT, class _Traits>
656inline _LIBCPP_INLINE_VISIBILITY
657void
658basic_ios<_CharT, _Traits>::init(basic_streambuf<char_type, traits_type>* __sb)
659{
660 ios_base::init(__sb);
661 __tie_ = 0;
Howard Hinnantc417a802012-08-26 18:05:35 +0000662 __fill_ = traits_type::eof();
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000663}
664
665template <class _CharT, class _Traits>
666inline _LIBCPP_INLINE_VISIBILITY
667basic_ostream<_CharT, _Traits>*
668basic_ios<_CharT, _Traits>::tie() const
669{
670 return __tie_;
671}
672
673template <class _CharT, class _Traits>
674inline _LIBCPP_INLINE_VISIBILITY
675basic_ostream<_CharT, _Traits>*
676basic_ios<_CharT, _Traits>::tie(basic_ostream<char_type, traits_type>* __tiestr)
677{
678 basic_ostream<char_type, traits_type>* __r = __tie_;
679 __tie_ = __tiestr;
680 return __r;
681}
682
683template <class _CharT, class _Traits>
684inline _LIBCPP_INLINE_VISIBILITY
685basic_streambuf<_CharT, _Traits>*
686basic_ios<_CharT, _Traits>::rdbuf() const
687{
688 return static_cast<basic_streambuf<char_type, traits_type>*>(ios_base::rdbuf());
689}
690
691template <class _CharT, class _Traits>
692inline _LIBCPP_INLINE_VISIBILITY
693basic_streambuf<_CharT, _Traits>*
694basic_ios<_CharT, _Traits>::rdbuf(basic_streambuf<char_type, traits_type>* __sb)
695{
696 basic_streambuf<char_type, traits_type>* __r = rdbuf();
697 ios_base::rdbuf(__sb);
698 return __r;
699}
700
701template <class _CharT, class _Traits>
702inline _LIBCPP_INLINE_VISIBILITY
703locale
704basic_ios<_CharT, _Traits>::imbue(const locale& __loc)
705{
706 locale __r = getloc();
707 ios_base::imbue(__loc);
708 if (rdbuf())
709 rdbuf()->pubimbue(__loc);
710 return __r;
711}
712
713template <class _CharT, class _Traits>
714inline _LIBCPP_INLINE_VISIBILITY
715char
716basic_ios<_CharT, _Traits>::narrow(char_type __c, char __dfault) const
717{
718 return use_facet<ctype<char_type> >(getloc()).narrow(__c, __dfault);
719}
720
721template <class _CharT, class _Traits>
722inline _LIBCPP_INLINE_VISIBILITY
723_CharT
724basic_ios<_CharT, _Traits>::widen(char __c) const
725{
726 return use_facet<ctype<char_type> >(getloc()).widen(__c);
727}
728
729template <class _CharT, class _Traits>
730inline _LIBCPP_INLINE_VISIBILITY
731_CharT
732basic_ios<_CharT, _Traits>::fill() const
733{
Howard Hinnantc417a802012-08-26 18:05:35 +0000734 if (traits_type::eq_int_type(traits_type::eof(), __fill_))
735 __fill_ = widen(' ');
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000736 return __fill_;
737}
738
739template <class _CharT, class _Traits>
740inline _LIBCPP_INLINE_VISIBILITY
741_CharT
742basic_ios<_CharT, _Traits>::fill(char_type __ch)
743{
744 char_type __r = __fill_;
745 __fill_ = __ch;
746 return __r;
747}
748
749template <class _CharT, class _Traits>
750basic_ios<_CharT, _Traits>&
751basic_ios<_CharT, _Traits>::copyfmt(const basic_ios& __rhs)
752{
753 if (this != &__rhs)
754 {
755 __call_callbacks(erase_event);
756 ios_base::copyfmt(__rhs);
757 __tie_ = __rhs.__tie_;
758 __fill_ = __rhs.__fill_;
759 __call_callbacks(copyfmt_event);
760 exceptions(__rhs.exceptions());
761 }
762 return *this;
763}
764
765template <class _CharT, class _Traits>
766inline _LIBCPP_INLINE_VISIBILITY
767void
768basic_ios<_CharT, _Traits>::move(basic_ios& __rhs)
769{
770 ios_base::move(__rhs);
771 __tie_ = __rhs.__tie_;
772 __rhs.__tie_ = 0;
773 __fill_ = __rhs.__fill_;
774}
775
776template <class _CharT, class _Traits>
777inline _LIBCPP_INLINE_VISIBILITY
778void
Howard Hinnantf57bd562012-07-21 01:03:40 +0000779basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs) _NOEXCEPT
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000780{
781 ios_base::swap(__rhs);
Howard Hinnant0949eed2011-06-30 21:18:19 +0000782 _VSTD::swap(__tie_, __rhs.__tie_);
783 _VSTD::swap(__fill_, __rhs.__fill_);
Howard Hinnantbc8d3f92010-05-11 19:42:16 +0000784}
785
786template <class _CharT, class _Traits>
787inline _LIBCPP_INLINE_VISIBILITY
788void
789basic_ios<_CharT, _Traits>::set_rdbuf(basic_streambuf<char_type, traits_type>* __sb)
790{
791 ios_base::set_rdbuf(__sb);
792}
793
794inline _LIBCPP_INLINE_VISIBILITY
795ios_base&
796boolalpha(ios_base& __str)
797{
798 __str.setf(ios_base::boolalpha);
799 return __str;
800}
801
802inline _LIBCPP_INLINE_VISIBILITY
803ios_base&
804noboolalpha(ios_base& __str)
805{
806 __str.unsetf(ios_base::boolalpha);
807 return __str;
808}
809
810inline _LIBCPP_INLINE_VISIBILITY
811ios_base&
812showbase(ios_base& __str)
813{
814 __str.setf(ios_base::showbase);
815 return __str;
816}
817
818inline _LIBCPP_INLINE_VISIBILITY
819ios_base&
820noshowbase(ios_base& __str)
821{
822 __str.unsetf(ios_base::showbase);
823 return __str;
824}
825
826inline _LIBCPP_INLINE_VISIBILITY
827ios_base&
828showpoint(ios_base& __str)
829{
830 __str.setf(ios_base::showpoint);
831 return __str;
832}
833
834inline _LIBCPP_INLINE_VISIBILITY
835ios_base&
836noshowpoint(ios_base& __str)
837{
838 __str.unsetf(ios_base::showpoint);
839 return __str;
840}
841
842inline _LIBCPP_INLINE_VISIBILITY
843ios_base&
844showpos(ios_base& __str)
845{
846 __str.setf(ios_base::showpos);
847 return __str;
848}
849
850inline _LIBCPP_INLINE_VISIBILITY
851ios_base&
852noshowpos(ios_base& __str)
853{
854 __str.unsetf(ios_base::showpos);
855 return __str;
856}
857
858inline _LIBCPP_INLINE_VISIBILITY
859ios_base&
860skipws(ios_base& __str)
861{
862 __str.setf(ios_base::skipws);
863 return __str;
864}
865
866inline _LIBCPP_INLINE_VISIBILITY
867ios_base&
868noskipws(ios_base& __str)
869{
870 __str.unsetf(ios_base::skipws);
871 return __str;
872}
873
874inline _LIBCPP_INLINE_VISIBILITY
875ios_base&
876uppercase(ios_base& __str)
877{
878 __str.setf(ios_base::uppercase);
879 return __str;
880}
881
882inline _LIBCPP_INLINE_VISIBILITY
883ios_base&
884nouppercase(ios_base& __str)
885{
886 __str.unsetf(ios_base::uppercase);
887 return __str;
888}
889
890inline _LIBCPP_INLINE_VISIBILITY
891ios_base&
892unitbuf(ios_base& __str)
893{
894 __str.setf(ios_base::unitbuf);
895 return __str;
896}
897
898inline _LIBCPP_INLINE_VISIBILITY
899ios_base&
900nounitbuf(ios_base& __str)
901{
902 __str.unsetf(ios_base::unitbuf);
903 return __str;
904}
905
906inline _LIBCPP_INLINE_VISIBILITY
907ios_base&
908internal(ios_base& __str)
909{
910 __str.setf(ios_base::internal, ios_base::adjustfield);
911 return __str;
912}
913
914inline _LIBCPP_INLINE_VISIBILITY
915ios_base&
916left(ios_base& __str)
917{
918 __str.setf(ios_base::left, ios_base::adjustfield);
919 return __str;
920}
921
922inline _LIBCPP_INLINE_VISIBILITY
923ios_base&
924right(ios_base& __str)
925{
926 __str.setf(ios_base::right, ios_base::adjustfield);
927 return __str;
928}
929
930inline _LIBCPP_INLINE_VISIBILITY
931ios_base&
932dec(ios_base& __str)
933{
934 __str.setf(ios_base::dec, ios_base::basefield);
935 return __str;
936}
937
938inline _LIBCPP_INLINE_VISIBILITY
939ios_base&
940hex(ios_base& __str)
941{
942 __str.setf(ios_base::hex, ios_base::basefield);
943 return __str;
944}
945
946inline _LIBCPP_INLINE_VISIBILITY
947ios_base&
948oct(ios_base& __str)
949{
950 __str.setf(ios_base::oct, ios_base::basefield);
951 return __str;
952}
953
954inline _LIBCPP_INLINE_VISIBILITY
955ios_base&
956fixed(ios_base& __str)
957{
958 __str.setf(ios_base::fixed, ios_base::floatfield);
959 return __str;
960}
961
962inline _LIBCPP_INLINE_VISIBILITY
963ios_base&
964scientific(ios_base& __str)
965{
966 __str.setf(ios_base::scientific, ios_base::floatfield);
967 return __str;
968}
969
970inline _LIBCPP_INLINE_VISIBILITY
971ios_base&
972hexfloat(ios_base& __str)
973{
974 __str.setf(ios_base::fixed | ios_base::scientific, ios_base::floatfield);
975 return __str;
976}
977
978inline _LIBCPP_INLINE_VISIBILITY
979ios_base&
980defaultfloat(ios_base& __str)
981{
982 __str.unsetf(ios_base::floatfield);
983 return __str;
984}
985
986_LIBCPP_END_NAMESPACE_STD
987
988#endif // _LIBCPP_IOS