31 #define _BASIC_IOS_H 1
33 #pragma GCC system_header
41 namespace std _GLIBCXX_VISIBILITY(default)
43 _GLIBCXX_BEGIN_NAMESPACE_VERSION
45 template<
typename _Facet>
47 __check_facet(
const _Facet* __f)
66 template<
typename _CharT,
typename _Traits>
67 class basic_ios :
public ios_base
98 mutable bool _M_fill_init;
116 #if __cplusplus >= 201103L
117 explicit operator bool()
const
118 {
return !this->
fail(); }
120 operator void*()
const
126 {
return this->
fail(); }
138 {
return _M_streambuf_state; }
168 _M_streambuf_state |= __state;
170 __throw_exception_again;
181 {
return this->
rdstate() == 0; }
223 {
return _M_exception; }
259 _M_exception = __except;
260 this->
clear(_M_streambuf_state);
271 :
ios_base(), _M_tie(0), _M_fill(), _M_fill_init(false), _M_streambuf(0),
272 _M_ctype(0), _M_num_put(0), _M_num_get(0)
273 { this->
init(__sb); }
322 {
return _M_streambuf; }
374 _M_fill = this->
widen(
' ');
431 {
return __check_facet(_M_ctype).narrow(__c, __dfault); }
450 {
return __check_facet(_M_ctype).widen(__c); }
462 _M_streambuf(0), _M_ctype(0), _M_num_put(0), _M_num_get(0)
474 #if __cplusplus >= 201103L
481 ios_base::_M_move(__rhs);
482 _M_cache_locale(_M_ios_locale);
483 this->
tie(__rhs.tie(
nullptr));
484 _M_fill = __rhs._M_fill;
485 _M_fill_init = __rhs._M_fill_init;
486 _M_streambuf =
nullptr;
491 { this->move(__rhs); }
496 ios_base::_M_swap(__rhs);
497 _M_cache_locale(_M_ios_locale);
498 __rhs._M_cache_locale(__rhs._M_ios_locale);
499 std::swap(_M_tie, __rhs._M_tie);
500 std::swap(_M_fill, __rhs._M_fill);
501 std::swap(_M_fill_init, __rhs._M_fill_init);
505 set_rdbuf(basic_streambuf<_CharT, _Traits>* __sb)
506 { _M_streambuf = __sb; }
510 _M_cache_locale(
const locale& __loc);
513 _GLIBCXX_END_NAMESPACE_VERSION
Primary class template ctype facet.This template class defines classification and conversion function...
The base of the I/O class hierarchy.This class defines everything that can be defined about I/O that ...
The actual work of input and output (interface).
locale imbue(const locale &__loc)
Moves to a new locale.
static const iostate failbit
Indicates that an input operation failed to read the expected characters, or that an output operation...
_Traits::pos_type pos_type
iostate exceptions() const
Throwing exceptions on errors.
Container class for localization functionality.The locale class is first a class wrapper for C librar...
char_type fill(char_type __ch)
Sets a new empty character.
bool good() const
Fast error checking.
basic_streambuf< _CharT, _Traits > * rdbuf() const
Accessing the underlying buffer.
Template class basic_ios, virtual base class for all stream classes.
Primary class template num_put.This facet encapsulates the code to convert a number to a string...
Template class basic_ostream.
num_put< _CharT, ostreambuf_iterator< _CharT, _Traits > > __num_put_type
char narrow(char_type __c, char __dfault) const
Squeezes characters.
static const iostate badbit
Indicates a loss of integrity in an input or output sequence (such as an irrecoverable read error fro...
iostate rdstate() const
Returns the error state of the stream buffer.
bool operator!() const
The quick-and-easy status check.
num_get< _CharT, istreambuf_iterator< _CharT, _Traits > > __num_get_type
enable_if< ::__array_traits< _Tp, _Nm >::_Is_swappable::value >::type noexcept(noexcept(__one.swap(__two)))
swap
bool eof() const
Fast error checking.
basic_ios(basic_streambuf< _CharT, _Traits > *__sb)
Constructor performs initialization.
void exceptions(iostate __except)
Throwing exceptions on errors.
virtual ~basic_ios()
Empty.
_Traits::off_type off_type
basic_ostream< _CharT, _Traits > * tie(basic_ostream< _CharT, _Traits > *__tiestr)
Ties this stream to an output stream.
_Ios_Iostate iostate
This is a bitmask type.
Primary class template num_get.This facet encapsulates the code to parse and return a number from a s...
ctype< _CharT > __ctype_type
char_type fill() const
Retrieves the empty character.
basic_ostream< _CharT, _Traits > * tie() const
Fetches the current tied stream.
void setstate(iostate __state)
Sets additional flags in the error state.
static const iostate goodbit
Indicates all is well.
The ctype<char> specialization.This class defines classification and conversion functions for the cha...
char_type widen(char __c) const
Widens characters.
void init(basic_streambuf< _CharT, _Traits > *__sb)
All setup is performed here.
static const iostate eofbit
Indicates that an input operation reached the end of an input sequence.
_Traits::int_type int_type
bool fail() const
Fast error checking.
bool bad() const
Fast error checking.
basic_ios & copyfmt(const basic_ios &__rhs)
Copies fields of __rhs into this.
void clear(iostate __state=goodbit)
[Re]sets the error state.