33 #define _BASIC_IOS_H 1
35 #pragma GCC system_header
42 namespace std _GLIBCXX_VISIBILITY(default)
44 _GLIBCXX_BEGIN_NAMESPACE_VERSION
46 template<
typename _Facet>
48 __check_facet(
const _Facet* __f)
63 template<
typename _CharT,
typename _Traits>
93 basic_ostream<_CharT, _Traits>* _M_tie;
94 mutable char_type _M_fill;
95 mutable bool _M_fill_init;
96 basic_streambuf<_CharT, _Traits>* _M_streambuf;
99 const __ctype_type* _M_ctype;
113 operator void*()
const
118 {
return this->
fail(); }
130 {
return _M_streambuf_state; }
160 _M_streambuf_state |= __state;
162 __throw_exception_again;
173 {
return this->
rdstate() == 0; }
215 {
return _M_exception; }
251 _M_exception = __except;
252 this->
clear(_M_streambuf_state);
263 :
ios_base(), _M_tie(0), _M_fill(), _M_fill_init(false), _M_streambuf(0),
264 _M_ctype(0), _M_num_put(0), _M_num_get(0)
265 { this->
init(__sb); }
286 basic_ostream<_CharT, _Traits>*
298 basic_ostream<_CharT, _Traits>*
299 tie(basic_ostream<_CharT, _Traits>* __tiestr)
301 basic_ostream<_CharT, _Traits>* __old = _M_tie;
312 basic_streambuf<_CharT, _Traits>*
314 {
return _M_streambuf; }
338 basic_streambuf<_CharT, _Traits>*
339 rdbuf(basic_streambuf<_CharT, _Traits>* __sb);
366 _M_fill = this->
widen(
' ');
384 char_type __old = this->
fill();
422 narrow(char_type __c,
char __dfault)
const
423 {
return __check_facet(_M_ctype).narrow(__c, __dfault); }
442 {
return __check_facet(_M_ctype).widen(__c); }
453 :
ios_base(), _M_tie(0), _M_fill(char_type()), _M_fill_init(false),
454 _M_streambuf(0), _M_ctype(0), _M_num_put(0), _M_num_get(0)
464 init(basic_streambuf<_CharT, _Traits>* __sb);
467 _M_cache_locale(
const locale& __loc);
470 _GLIBCXX_END_NAMESPACE_VERSION
473 #include <bits/basic_ios.tcc>
void clear(iostate __state=goodbit)
[Re]sets the error state.
num_get< _CharT, istreambuf_iterator< _CharT, _Traits > > __num_get_type
locale imbue(const locale &__loc)
Moves to a new locale.
Primary class template num_get.This facet encapsulates the code to parse and return a number from a s...
static const iostate eofbit
Indicates that an input operation reached the end of an input sequence.
void exceptions(iostate __except)
Throwing exceptions on errors.
basic_ostream< _CharT, _Traits > * tie() const
Fetches the current tied stream.
Container class for localization functionality.The locale class is first a class wrapper for C librar...
basic_ostream< _CharT, _Traits > * tie(basic_ostream< _CharT, _Traits > *__tiestr)
Ties this stream to an output stream.
ctype< _CharT > __ctype_type
Virtual base class for all stream classes.Most of the member functions called dispatched on stream ob...
char narrow(char_type __c, char __dfault) const
Squeezes characters.
iostate exceptions() const
Throwing exceptions on errors.
bool good() const
Fast error checking.
char_type fill(char_type __ch)
Sets a new empty character.
basic_streambuf< _CharT, _Traits > * rdbuf() const
Accessing the underlying buffer.
_Traits::int_type int_type
ISO C++ entities toplevel namespace is std.
basic_ios(basic_streambuf< _CharT, _Traits > *__sb)
Constructor performs initialization.
void setstate(iostate __state)
Sets additional flags in the error state.
bool operator!() const
The quick-and-easy status check.
static const iostate goodbit
Indicates all is well.
void init(basic_streambuf< _CharT, _Traits > *__sb)
All setup is performed here.
The base of the I/O class hierarchy.This class defines everything that can be defined about I/O that ...
bool bad() const
Fast error checking.
_Traits::off_type off_type
basic_ios & copyfmt(const basic_ios &__rhs)
Copies fields of __rhs into this.
char_type widen(char __c) const
Widens characters.
num_put< _CharT, ostreambuf_iterator< _CharT, _Traits > > __num_put_type
virtual ~basic_ios()
Empty.
bool eof() const
Fast error checking.
Primary class template num_put.This facet encapsulates the code to convert a number to a string...
static const iostate failbit
Indicates that an input operation failed to read the expected characters, or that an output operation...
iostate rdstate() const
Returns the error state of the stream buffer.
_Ios_Iostate iostate
This is a bitmask type.
_Traits::pos_type pos_type
char_type fill() const
Retrieves the empty character.
Primary class template ctype facet.This template class defines classification and conversion function...
static const iostate badbit
Indicates a loss of integrity in an input or output sequence (such as an irrecoverable read error fro...
bool fail() const
Fast error checking.