33 #ifndef _GLIBCXX_OSTREAM
34 #define _GLIBCXX_OSTREAM 1
36 #pragma GCC system_header
41 namespace std _GLIBCXX_VISIBILITY(default)
43 _GLIBCXX_BEGIN_NAMESPACE_VERSION
57 template<
typename _CharT,
typename _Traits>
58 class basic_ostream :
virtual public basic_ios<_CharT, _Traits>
62 typedef _CharT char_type;
63 typedef typename _Traits::int_type int_type;
64 typedef typename _Traits::pos_type pos_type;
65 typedef typename _Traits::off_type off_type;
66 typedef _Traits traits_type;
69 typedef basic_streambuf<_CharT, _Traits> __streambuf_type;
70 typedef basic_ios<_CharT, _Traits> __ios_type;
71 typedef basic_ostream<_CharT, _Traits> __ostream_type;
72 typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> >
74 typedef ctype<_CharT> __ctype_type;
167 {
return _M_insert(__n); }
171 {
return _M_insert(__n); }
175 {
return _M_insert(__n); }
185 return _M_insert(static_cast<unsigned long>(__n));
196 return _M_insert(static_cast<unsigned long>(__n));
199 #ifdef _GLIBCXX_USE_LONG_LONG
202 {
return _M_insert(__n); }
206 {
return _M_insert(__n); }
221 {
return _M_insert(__f); }
228 return _M_insert(static_cast<double>(__f));
233 {
return _M_insert(__f); }
246 {
return _M_insert(__p); }
248 #if __cplusplus >= 201703L
251 {
return *
this <<
"nullptr"; }
387 seekp(off_type, ios_base::seekdir);
393 #if __cplusplus >= 201103L
395 basic_ostream(basic_iostream<_CharT, _Traits>&) { }
408 operator=(basic_ostream&& __rhs)
415 swap(basic_ostream& __rhs)
416 { __ios_type::swap(__rhs); }
419 template<
typename _ValueT>
421 _M_insert(_ValueT __v);
431 template <
typename _CharT,
typename _Traits>
453 #pragma GCC diagnostic push
454 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
468 if (_M_os.rdbuf() && _M_os.rdbuf()->pubsync() == -1)
472 #pragma GCC diagnostic pop
481 #if __cplusplus >= 201103L
484 operator bool()
const
504 template<
typename _CharT,
typename _Traits>
506 operator<<(basic_ostream<_CharT, _Traits>& __out, _CharT __c)
507 {
return __ostream_insert(__out, &__c, 1); }
509 template<
typename _CharT,
typename _Traits>
510 inline basic_ostream<_CharT, _Traits>&
511 operator<<(basic_ostream<_CharT, _Traits>& __out,
char __c)
512 {
return (__out << __out.widen(__c)); }
515 template<
typename _Traits>
516 inline basic_ostream<char, _Traits>&
517 operator<<(basic_ostream<char, _Traits>& __out,
char __c)
518 {
return __ostream_insert(__out, &__c, 1); }
521 template<
typename _Traits>
522 inline basic_ostream<char, _Traits>&
523 operator<<(basic_ostream<char, _Traits>& __out,
signed char __c)
524 {
return (__out << static_cast<char>(__c)); }
526 template<
typename _Traits>
527 inline basic_ostream<char, _Traits>&
528 operator<<(basic_ostream<char, _Traits>& __out,
unsigned char __c)
529 {
return (__out << static_cast<char>(__c)); }
531 #if __cplusplus > 201703L
535 #ifdef _GLIBCXX_USE_WCHAR_T
536 template<
typename _Traits>
537 basic_ostream<char, _Traits>&
538 operator<<(basic_ostream<char, _Traits>&, wchar_t) =
delete;
539 #endif // _GLIBCXX_USE_WCHAR_T
541 #ifdef _GLIBCXX_USE_CHAR8_T
542 template<
typename _Traits>
543 basic_ostream<char, _Traits>&
544 operator<<(basic_ostream<char, _Traits>&, char8_t) =
delete;
547 template<
typename _Traits>
548 basic_ostream<char, _Traits>&
549 operator<<(basic_ostream<char, _Traits>&, char16_t) =
delete;
551 template<
typename _Traits>
552 basic_ostream<char, _Traits>&
553 operator<<(basic_ostream<char, _Traits>&, char32_t) =
delete;
555 #ifdef _GLIBCXX_USE_WCHAR_T
556 #ifdef _GLIBCXX_USE_CHAR8_T
557 template<
typename _Traits>
558 basic_ostream<wchar_t, _Traits>&
559 operator<<(basic_ostream<wchar_t, _Traits>&, char8_t) =
delete;
560 #endif // _GLIBCXX_USE_CHAR8_T
562 template<
typename _Traits>
563 basic_ostream<wchar_t, _Traits>&
564 operator<<(basic_ostream<wchar_t, _Traits>&, char16_t) =
delete;
566 template<
typename _Traits>
567 basic_ostream<wchar_t, _Traits>&
568 operator<<(basic_ostream<wchar_t, _Traits>&, char32_t) =
delete;
569 #endif // _GLIBCXX_USE_WCHAR_T
587 template<
typename _CharT,
typename _Traits>
588 inline basic_ostream<_CharT, _Traits>&
589 operator<<(basic_ostream<_CharT, _Traits>& __out,
const _CharT* __s)
594 __ostream_insert(__out, __s,
595 static_cast<streamsize>(_Traits::length(__s)));
599 template<
typename _CharT,
typename _Traits>
600 basic_ostream<_CharT, _Traits> &
601 operator<<(basic_ostream<_CharT, _Traits>& __out,
const char* __s);
604 template<
typename _Traits>
605 inline basic_ostream<char, _Traits>&
606 operator<<(basic_ostream<char, _Traits>& __out,
const char* __s)
611 __ostream_insert(__out, __s,
612 static_cast<streamsize>(_Traits::length(__s)));
617 template<
typename _Traits>
618 inline basic_ostream<char, _Traits>&
619 operator<<(basic_ostream<char, _Traits>& __out,
const signed char* __s)
620 {
return (__out << reinterpret_cast<const char*>(__s)); }
622 template<
typename _Traits>
623 inline basic_ostream<char, _Traits> &
624 operator<<(basic_ostream<char, _Traits>& __out,
const unsigned char* __s)
625 {
return (__out << reinterpret_cast<const char*>(__s)); }
627 #if __cplusplus > 201703L
631 #ifdef _GLIBCXX_USE_WCHAR_T
632 template<
typename _Traits>
633 basic_ostream<char, _Traits>&
634 operator<<(basic_ostream<char, _Traits>&,
const wchar_t*) =
delete;
635 #endif // _GLIBCXX_USE_WCHAR_T
637 #ifdef _GLIBCXX_USE_CHAR8_T
638 template<
typename _Traits>
639 basic_ostream<char, _Traits>&
640 operator<<(basic_ostream<char, _Traits>&,
const char8_t*) =
delete;
641 #endif // _GLIBCXX_USE_CHAR8_T
643 template<
typename _Traits>
644 basic_ostream<char, _Traits>&
645 operator<<(basic_ostream<char, _Traits>&,
const char16_t*) =
delete;
647 template<
typename _Traits>
648 basic_ostream<char, _Traits>&
649 operator<<(basic_ostream<char, _Traits>&,
const char32_t*) =
delete;
651 #ifdef _GLIBCXX_USE_WCHAR_T
652 #ifdef _GLIBCXX_USE_CHAR8_T
653 template<
typename _Traits>
654 basic_ostream<wchar_t, _Traits>&
655 operator<<(basic_ostream<wchar_t, _Traits>&,
const char8_t*) =
delete;
658 template<
typename _Traits>
659 basic_ostream<wchar_t, _Traits>&
660 operator<<(basic_ostream<wchar_t, _Traits>&,
const char16_t*) =
delete;
662 template<
typename _Traits>
663 basic_ostream<wchar_t, _Traits>&
664 operator<<(basic_ostream<wchar_t, _Traits>&,
const char32_t*) =
delete;
665 #endif // _GLIBCXX_USE_WCHAR_T
679 template<
typename _CharT,
typename _Traits>
680 inline basic_ostream<_CharT, _Traits>&
682 {
return flush(__os.put(__os.widen(
'\n'))); }
691 template<
typename _CharT,
typename _Traits>
692 inline basic_ostream<_CharT, _Traits>&
694 {
return __os.put(_CharT()); }
701 template<
typename _CharT,
typename _Traits>
702 inline basic_ostream<_CharT, _Traits>&
704 {
return __os.flush(); }
706 #if __cplusplus >= 201103L
707 template<
typename _Ch,
typename _Up>
708 basic_ostream<_Ch, _Up>&
709 __is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*);
711 template<
typename _Tp,
typename =
void>
712 struct __is_convertible_to_basic_ostream_impl
714 using __ostream_type = void;
717 template<
typename _Tp>
718 using __do_is_convertible_to_basic_ostream_impl =
719 decltype(__is_convertible_to_basic_ostream_test
720 (declval<
typename remove_reference<_Tp>::type*>()));
722 template<
typename _Tp>
723 struct __is_convertible_to_basic_ostream_impl
725 __void_t<__do_is_convertible_to_basic_ostream_impl<_Tp>>>
727 using __ostream_type =
728 __do_is_convertible_to_basic_ostream_impl<_Tp>;
731 template<
typename _Tp>
732 struct __is_convertible_to_basic_ostream
733 : __is_convertible_to_basic_ostream_impl<_Tp>
736 using type = __not_<is_void<
737 typename __is_convertible_to_basic_ostream_impl<_Tp>::__ostream_type>>;
738 constexpr
static bool value = type::value;
741 template<
typename _Ostream,
typename _Tp,
typename =
void>
744 template<
typename _Ostream,
typename _Tp>
745 struct __is_insertable<_Ostream, _Tp,
746 __void_t<decltype(declval<_Ostream&>()
747 << declval<const _Tp&>())>>
750 template<
typename _Ostream>
751 using __rvalue_ostream_type =
752 typename __is_convertible_to_basic_ostream<
753 _Ostream>::__ostream_type;
765 template<
typename _Ostream,
typename _Tp>
767 typename enable_if<__and_<__not_<is_lvalue_reference<_Ostream>>,
768 __is_convertible_to_basic_ostream<_Ostream>,
770 __rvalue_ostream_type<_Ostream>,
772 __rvalue_ostream_type<_Ostream>>::type
775 __rvalue_ostream_type<_Ostream> __ret_os = __os;
781 _GLIBCXX_END_NAMESPACE_VERSION
static const iostate badbit
Indicates a loss of integrity in an input or output sequence (such as an irrecoverable read error fro...
basic_ostream(__streambuf_type *__sb)
Base constructor.
basic_ostream< _CharT, _Traits > & flush(basic_ostream< _CharT, _Traits > &__os)
Flushes the output stream.
basic_ostream< _CharT, _Traits > & endl(basic_ostream< _CharT, _Traits > &__os)
Write a newline and flush the stream.
__ostream_type & write(const char_type *__s, streamsize __n)
Character string insertion.
bool uncaught_exception() noexcept
static const fmtflags unitbuf
Flushes output after each output operation.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
pos_type tellp()
Getting the current write position.
basic_ostream< _CharT, _Traits > & ends(basic_ostream< _CharT, _Traits > &__os)
Write a null character into the output sequence.
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
Performs setup work for output streams.
__ostream_type & operator<<(__ostream_type &(*__pf)(__ostream_type &))
Interface for manipulators.
~sentry()
Possibly flushes the stream.
The base of the I/O class hierarchy.This class defines everything that can be defined about I/O that ...
void _M_write(const char_type *__s, streamsize __n)
Core write functionality, without sentry.
__ostream_type & put(char_type __c)
Simple insertion.
virtual ~basic_ostream()
Base destructor.
__ostream_type & flush()
Synchronizing the stream buffer.
basic_streambuf< _CharT, _Traits > * rdbuf() const
Accessing the underlying buffer.
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
void setstate(iostate __state)
Sets additional flags in the error state.
ptrdiff_t streamsize
Integral type for I/O operation counts and buffer sizes.
__ostream_type & seekp(pos_type)
Changing the current write position.
void init(basic_streambuf< _CharT, _Traits > *__sb)
All setup is performed here.
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.