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#ifndef _IOS_BASE_H
00041
#define _IOS_BASE_H 1
00042
00043
#pragma GCC system_header
00044
00045
#include <bits/atomicity.h>
00046
#include <bits/localefwd.h>
00047
#include <bits/locale_classes.h>
00048
00049
namespace std
00050 {
00051
00052
00053
00054
00055
enum _Ios_Fmtflags { _S_ios_fmtflags_end = 1L << 16 };
00056
00057
inline _Ios_Fmtflags
00058 operator&(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
00059 {
return _Ios_Fmtflags(static_cast<int>(__a) & static_cast<int>(__b)); }
00060
00061
inline _Ios_Fmtflags
00062 operator|(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
00063 {
return _Ios_Fmtflags(static_cast<int>(__a) | static_cast<int>(__b)); }
00064
00065
inline _Ios_Fmtflags
00066 operator^(_Ios_Fmtflags __a, _Ios_Fmtflags __b)
00067 {
return _Ios_Fmtflags(static_cast<int>(__a) ^ static_cast<int>(__b)); }
00068
00069
inline _Ios_Fmtflags
00070 operator|=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
00071 {
return __a = __a | __b; }
00072
00073
inline _Ios_Fmtflags
00074 operator&=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
00075 {
return __a = __a & __b; }
00076
00077
inline _Ios_Fmtflags
00078 operator^=(_Ios_Fmtflags& __a, _Ios_Fmtflags __b)
00079 {
return __a = __a ^ __b; }
00080
00081
inline _Ios_Fmtflags
00082 operator~(_Ios_Fmtflags __a)
00083 {
return _Ios_Fmtflags(~static_cast<int>(__a)); }
00084
00085
00086
enum _Ios_Openmode { _S_ios_openmode_end = 1L << 16 };
00087
00088
inline _Ios_Openmode
00089 operator&(_Ios_Openmode __a, _Ios_Openmode __b)
00090 {
return _Ios_Openmode(static_cast<int>(__a) & static_cast<int>(__b)); }
00091
00092
inline _Ios_Openmode
00093 operator|(_Ios_Openmode __a, _Ios_Openmode __b)
00094 {
return _Ios_Openmode(static_cast<int>(__a) | static_cast<int>(__b)); }
00095
00096
inline _Ios_Openmode
00097 operator^(_Ios_Openmode __a, _Ios_Openmode __b)
00098 {
return _Ios_Openmode(static_cast<int>(__a) ^ static_cast<int>(__b)); }
00099
00100
inline _Ios_Openmode
00101 operator|=(_Ios_Openmode& __a, _Ios_Openmode __b)
00102 {
return __a = __a | __b; }
00103
00104
inline _Ios_Openmode
00105 operator&=(_Ios_Openmode& __a, _Ios_Openmode __b)
00106 {
return __a = __a & __b; }
00107
00108
inline _Ios_Openmode
00109 operator^=(_Ios_Openmode& __a, _Ios_Openmode __b)
00110 {
return __a = __a ^ __b; }
00111
00112
inline _Ios_Openmode
00113 operator~(_Ios_Openmode __a)
00114 {
return _Ios_Openmode(~static_cast<int>(__a)); }
00115
00116
00117
enum _Ios_Iostate { _S_ios_iostate_end = 1L << 16 };
00118
00119
inline _Ios_Iostate
00120 operator&(_Ios_Iostate __a, _Ios_Iostate __b)
00121 {
return _Ios_Iostate(static_cast<int>(__a) & static_cast<int>(__b)); }
00122
00123
inline _Ios_Iostate
00124 operator|(_Ios_Iostate __a, _Ios_Iostate __b)
00125 {
return _Ios_Iostate(static_cast<int>(__a) | static_cast<int>(__b)); }
00126
00127
inline _Ios_Iostate
00128 operator^(_Ios_Iostate __a, _Ios_Iostate __b)
00129 {
return _Ios_Iostate(static_cast<int>(__a) ^ static_cast<int>(__b)); }
00130
00131
inline _Ios_Iostate
00132 operator|=(_Ios_Iostate& __a, _Ios_Iostate __b)
00133 {
return __a = __a | __b; }
00134
00135
inline _Ios_Iostate
00136 operator&=(_Ios_Iostate& __a, _Ios_Iostate __b)
00137 {
return __a = __a & __b; }
00138
00139
inline _Ios_Iostate
00140 operator^=(_Ios_Iostate& __a, _Ios_Iostate __b)
00141 {
return __a = __a ^ __b; }
00142
00143
inline _Ios_Iostate
00144 operator~(_Ios_Iostate __a)
00145 {
return _Ios_Iostate(~static_cast<int>(__a)); }
00146
00147
enum _Ios_Seekdir { _S_ios_seekdir_end = 1L << 16 };
00148
00149
00150
00151
00152
00153
00154
00155
00156
00157
00158 class ios_base
00159 {
00160
public:
00161
00162
00163
00164 class failure :
public exception
00165 {
00166
public:
00167
00168
00169
explicit
00170
failure(
const string& __str)
throw();
00171
00172
00173
00174
virtual
00175 ~
failure()
throw();
00176
00177
virtual const char*
00178
what()
const throw();
00179
00180
private:
00181
string _M_msg;
00182 };
00183
00184
00185
00186
00187
00188
00189
00190
00191
00192
00193
00194
00195
00196
00197
00198
00199
00200
00201
00202
00203
00204
00205
00206
00207
00208
00209
00210 typedef _Ios_Fmtflags
fmtflags;
00211
00212
00213 static const fmtflags boolalpha =
fmtflags(__ios_flags::_S_boolalpha);
00214
00215
00216 static const fmtflags
dec = fmtflags(__ios_flags::_S_dec);
00217
00218
00219 static const fmtflags
fixed = fmtflags(__ios_flags::_S_fixed);
00220
00221
00222 static const fmtflags
hex = fmtflags(__ios_flags::_S_hex);
00223
00224
00225
00226
00227 static const fmtflags
internal = fmtflags(__ios_flags::_S_internal);
00228
00229
00230
00231 static const fmtflags
left = fmtflags(__ios_flags::_S_left);
00232
00233
00234 static const fmtflags
oct = fmtflags(__ios_flags::_S_oct);
00235
00236
00237
00238 static const fmtflags
right = fmtflags(__ios_flags::_S_right);
00239
00240
00241 static const fmtflags
scientific = fmtflags(__ios_flags::_S_scientific);
00242
00243
00244
00245 static const fmtflags
showbase = fmtflags(__ios_flags::_S_showbase);
00246
00247
00248
00249 static const fmtflags
showpoint = fmtflags(__ios_flags::_S_showpoint);
00250
00251
00252 static const fmtflags
showpos = fmtflags(__ios_flags::_S_showpos);
00253
00254
00255 static const fmtflags
skipws = fmtflags(__ios_flags::_S_skipws);
00256
00257
00258 static const fmtflags
unitbuf = fmtflags(__ios_flags::_S_unitbuf);
00259
00260
00261
00262 static const fmtflags
uppercase = fmtflags(__ios_flags::_S_uppercase);
00263
00264
00265 static const fmtflags
adjustfield = fmtflags(__ios_flags::_S_adjustfield);
00266
00267
00268 static const fmtflags
basefield = fmtflags(__ios_flags::_S_basefield);
00269
00270
00271 static const fmtflags
floatfield = fmtflags(__ios_flags::_S_floatfield);
00272
00273
00274
00275
00276
00277
00278
00279
00280
00281
00282
00283
00284
00285 typedef _Ios_Iostate
iostate;
00286
00287
00288
00289 static const iostate badbit =
iostate(__ios_flags::_S_badbit);
00290
00291
00292 static const iostate
eofbit = iostate(__ios_flags::_S_eofbit);
00293
00294
00295
00296
00297 static const iostate
failbit = iostate(__ios_flags::_S_failbit);
00298
00299
00300 static const iostate
goodbit = iostate(0);
00301
00302
00303
00304
00305
00306
00307
00308
00309
00310
00311
00312
00313
00314
00315
00316 typedef _Ios_Openmode
openmode;
00317
00318
00319 static const openmode app =
openmode(__ios_flags::_S_app);
00320
00321
00322 static const openmode
ate = openmode(__ios_flags::_S_ate);
00323
00324
00325
00326
00327
00328 static const openmode
binary = openmode(__ios_flags::_S_bin);
00329
00330
00331 static const openmode
in = openmode(__ios_flags::_S_in);
00332
00333
00334 static const openmode
out = openmode(__ios_flags::_S_out);
00335
00336
00337 static const openmode
trunc = openmode(__ios_flags::_S_trunc);
00338
00339
00340
00341
00342
00343
00344
00345
00346
00347
00348
00349 typedef _Ios_Seekdir
seekdir;
00350
00351
00352 static const seekdir beg =
seekdir(0);
00353
00354
00355 static const seekdir
cur = seekdir(SEEK_CUR);
00356
00357
00358 static const seekdir
end = seekdir(SEEK_END);
00359
00360
#ifdef _GLIBCXX_DEPRECATED
00361
00362
typedef int io_state;
00363
typedef int open_mode;
00364
typedef int seek_dir;
00365
00366
typedef std::streampos streampos;
00367
typedef std::streamoff streamoff;
00368
#endif
00369
00370
00371
00372
00373
00374
00375
00376
00377 enum event
00378 {
00379 erase_event,
00380 imbue_event,
00381 copyfmt_event
00382 };
00383
00384
00385
00386
00387
00388
00389
00390
00391
00392
00393
00394 typedef void (*
event_callback) (
event,
ios_base&,
int);
00395
00396
00397
00398
00399
00400
00401
00402
00403
00404
00405
00406
void
00407
register_callback(event_callback __fn,
int __index);
00408
00409
protected:
00410
00411
00412
00413
00414
00415
00416
streamsize _M_precision;
00417
streamsize _M_width;
00418 fmtflags _M_flags;
00419 iostate _M_exception;
00420 iostate _M_streambuf_state;
00421
00422
00423
00424
00425
struct _Callback_list
00426 {
00427
00428 _Callback_list* _M_next;
00429
ios_base::event_callback _M_fn;
00430
int _M_index;
00431 _Atomic_word _M_refcount;
00432
00433 _Callback_list(ios_base::event_callback __fn,
int __index,
00434 _Callback_list* __cb)
00435 : _M_next(__cb), _M_fn(__fn), _M_index(__index), _M_refcount(0) { }
00436
00437
void
00438 _M_add_reference() { __gnu_cxx::__atomic_add(&_M_refcount, 1); }
00439
00440
00441
int
00442 _M_remove_reference()
00443 {
return __gnu_cxx::__exchange_and_add(&_M_refcount, -1); }
00444 };
00445
00446 _Callback_list* _M_callbacks;
00447
00448
void
00449 _M_call_callbacks(event __ev)
throw();
00450
00451
void
00452 _M_dispose_callbacks(
void);
00453
00454
00455
struct _Words
00456 {
00457
void* _M_pword;
00458
long _M_iword;
00459 _Words() : _M_pword(0), _M_iword(0) { }
00460 };
00461
00462
00463 _Words _M_word_zero;
00464
00465
00466
00467
static const int _S_local_word_size = 8;
00468 _Words _M_local_word[_S_local_word_size];
00469
00470
00471
int _M_word_size;
00472 _Words* _M_word;
00473
00474 _Words&
00475 _M_grow_words(
int __index,
bool __iword);
00476
00477
00478 locale _M_ios_locale;
00479
00480
void
00481 _M_init();
00482
00483
public:
00484
00485
00486
00487
00488
00489
class Init
00490 {
00491
friend class ios_base;
00492
public:
00493 Init();
00494 ~Init();
00495
00496
private:
00497
static _Atomic_word _S_refcount;
00498
static bool _S_synced_with_stdio;
00499 };
00500
00501
00502
00503
00504
00505
00506
inline fmtflags
00507 flags()
const {
return _M_flags; }
00508
00509
00510
00511
00512
00513
00514
00515
00516
inline fmtflags
00517 flags(fmtflags __fmtfl)
00518 {
00519 fmtflags __old = _M_flags;
00520 _M_flags = __fmtfl;
00521
return __old;
00522 }
00523
00524
00525
00526
00527
00528
00529
00530
00531
00532
inline fmtflags
00533 setf(fmtflags __fmtfl)
00534 {
00535 fmtflags __old = _M_flags;
00536 _M_flags |= __fmtfl;
00537
return __old;
00538 }
00539
00540
00541
00542
00543
00544
00545
00546
00547
00548
00549
inline fmtflags
00550 setf(fmtflags __fmtfl, fmtflags __mask)
00551 {
00552 fmtflags __old = _M_flags;
00553 _M_flags &= ~__mask;
00554 _M_flags |= (__fmtfl & __mask);
00555
return __old;
00556 }
00557
00558
00559
00560
00561
00562
00563
00564
inline void
00565 unsetf(fmtflags __mask) { _M_flags &= ~__mask; }
00566
00567
00568
00569
00570
00571
00572
00573
00574
00575
00576
inline streamsize
00577 precision()
const {
return _M_precision; }
00578
00579
00580
00581
00582
00583
00584
inline streamsize
00585 precision(streamsize __prec)
00586 {
00587
streamsize __old = _M_precision;
00588 _M_precision = __prec;
00589
return __old;
00590 }
00591
00592
00593
00594
00595
00596
00597
00598
inline streamsize
00599 width()
const {
return _M_width; }
00600
00601
00602
00603
00604
00605
00606
inline streamsize
00607 width(streamsize __wide)
00608 {
00609
streamsize __old = _M_width;
00610 _M_width = __wide;
00611
return __old;
00612 }
00613
00614
00615
00616
00617
00618
00619
00620
00621
00622
00623
00624
00625
static bool
00626 sync_with_stdio(
bool __sync =
true);
00627
00628
00629
00630
00631
00632
00633
00634
00635
00636
00637
locale
00638 imbue(
const locale& __loc);
00639
00640
00641
00642
00643
00644
00645
00646
00647
00648
inline locale
00649 getloc()
const {
return _M_ios_locale; }
00650
00651
00652
00653
00654
00655
00656
00657
00658
inline const locale&
00659 _M_getloc()
const {
return _M_ios_locale; }
00660
00661
00662
00663
00664
00665
00666
00667
00668
00669
00670
00671
00672
00673
00674
00675
00676
static int
00677
xalloc() throw();
00678
00679
00680
00681
00682
00683
00684
00685
00686
00687
00688
00689
00690
00691
00692 inline
long&
00693 iword(
int __ix)
00694 {
00695 _Words& __word = (__ix < _M_word_size)
00696 ? _M_word[__ix] : _M_grow_words(__ix,
true);
00697
return __word._M_iword;
00698 }
00699
00700
00701
00702
00703
00704
00705
00706
00707
00708
00709
00710
00711
00712
00713
inline void*&
00714 pword(
int __ix)
00715 {
00716 _Words& __word = (__ix < _M_word_size)
00717 ? _M_word[__ix] : _M_grow_words(__ix,
false);
00718
return __word._M_pword;
00719 }
00720
00721
00722
00723
00724
00725
00726
00727
00728
00729
00730
virtual ~ios_base();
00731
00732
protected:
00733
ios_base();
00734
00735
00736
00737
private:
00738
ios_base(
const ios_base&);
00739
00740
ios_base&
00741 operator=(
const ios_base&);
00742 };
00743
00744
00745
00746
inline ios_base&
00747 boolalpha(
ios_base& __base)
00748 {
00749 __base.
setf(ios_base::boolalpha);
00750
return __base;
00751 }
00752
00753
00754
inline ios_base&
00755 noboolalpha(
ios_base& __base)
00756 {
00757 __base.
unsetf(ios_base::boolalpha);
00758
return __base;
00759 }
00760
00761
00762
inline ios_base&
00763 showbase(
ios_base& __base)
00764 {
00765 __base.
setf(ios_base::showbase);
00766
return __base;
00767 }
00768
00769
00770
inline ios_base&
00771 noshowbase(
ios_base& __base)
00772 {
00773 __base.
unsetf(ios_base::showbase);
00774
return __base;
00775 }
00776
00777
00778
inline ios_base&
00779 showpoint(
ios_base& __base)
00780 {
00781 __base.
setf(ios_base::showpoint);
00782
return __base;
00783 }
00784
00785
00786
inline ios_base&
00787 noshowpoint(
ios_base& __base)
00788 {
00789 __base.
unsetf(ios_base::showpoint);
00790
return __base;
00791 }
00792
00793
00794
inline ios_base&
00795 showpos(
ios_base& __base)
00796 {
00797 __base.
setf(ios_base::showpos);
00798
return __base;
00799 }
00800
00801
00802
inline ios_base&
00803 noshowpos(
ios_base& __base)
00804 {
00805 __base.
unsetf(ios_base::showpos);
00806
return __base;
00807 }
00808
00809
00810
inline ios_base&
00811 skipws(
ios_base& __base)
00812 {
00813 __base.
setf(ios_base::skipws);
00814
return __base;
00815 }
00816
00817
00818
inline ios_base&
00819 noskipws(
ios_base& __base)
00820 {
00821 __base.
unsetf(ios_base::skipws);
00822
return __base;
00823 }
00824
00825
00826
inline ios_base&
00827 uppercase(
ios_base& __base)
00828 {
00829 __base.
setf(ios_base::uppercase);
00830
return __base;
00831 }
00832
00833
00834
inline ios_base&
00835 nouppercase(
ios_base& __base)
00836 {
00837 __base.
unsetf(ios_base::uppercase);
00838
return __base;
00839 }
00840
00841
00842
inline ios_base&
00843 unitbuf(
ios_base& __base)
00844 {
00845 __base.
setf(ios_base::unitbuf);
00846
return __base;
00847 }
00848
00849
00850
inline ios_base&
00851 nounitbuf(
ios_base& __base)
00852 {
00853 __base.
unsetf(ios_base::unitbuf);
00854
return __base;
00855 }
00856
00857
00858
00859
inline ios_base&
00860 internal(
ios_base& __base)
00861 {
00862 __base.
setf(ios_base::internal, ios_base::adjustfield);
00863
return __base;
00864 }
00865
00866
00867
inline ios_base&
00868 left(
ios_base& __base)
00869 {
00870 __base.
setf(ios_base::left, ios_base::adjustfield);
00871
return __base;
00872 }
00873
00874
00875
inline ios_base&
00876 right(
ios_base& __base)
00877 {
00878 __base.
setf(ios_base::right, ios_base::adjustfield);
00879
return __base;
00880 }
00881
00882
00883
00884
inline ios_base&
00885 dec(
ios_base& __base)
00886 {
00887 __base.
setf(ios_base::dec, ios_base::basefield);
00888
return __base;
00889 }
00890
00891
00892
inline ios_base&
00893 hex(
ios_base& __base)
00894 {
00895 __base.
setf(ios_base::hex, ios_base::basefield);
00896
return __base;
00897 }
00898
00899
00900
inline ios_base&
00901 oct(
ios_base& __base)
00902 {
00903 __base.
setf(ios_base::oct, ios_base::basefield);
00904
return __base;
00905 }
00906
00907
00908
00909
inline ios_base&
00910 fixed(
ios_base& __base)
00911 {
00912 __base.
setf(ios_base::fixed, ios_base::floatfield);
00913
return __base;
00914 }
00915
00916
00917
inline ios_base&
00918 scientific(
ios_base& __base)
00919 {
00920 __base.
setf(ios_base::scientific, ios_base::floatfield);
00921
return __base;
00922 }
00923 }
00924
00925
#endif
00926