std::basic_string
. (Paraphrased from [27.7.1]/1.)
For this class, open modes (of type ios_base::openmode
) have in
set if the input sequence can be read, and out
set if the output sequence can be written.
Definition at line 62 of file sstream.
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These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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These are standard types. They permit a standardized way of referring to names of (or names dependant on) the template parameters, which are specific to the implementation. Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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Starts with an empty string buffer.
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Starts with an existing string buffer.
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Access to the get area. These functions are only available to other protected functions, including derived classes.
Definition at line 478 of file streambuf. Referenced by std::basic_filebuf< _CharT, _Traits >::imbue(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::overflow(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekoff(), std::basic_filebuf< _CharT, _Traits >::seekoff(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), std::basic_filebuf< _CharT, _Traits >::underflow(), and std::basic_filebuf< _CharT, _Traits >::xsgetn(). |
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Access to the get area. These functions are only available to other protected functions, including derived classes.
Definition at line 484 of file streambuf. Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekoff(), std::basic_filebuf< _CharT, _Traits >::seekoff(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::underflow(), and std::basic_filebuf< _CharT, _Traits >::underflow(). |
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Moving the read position.
Definition at line 494 of file streambuf. Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), and std::basic_filebuf< _CharT, _Traits >::xsgetn(). |
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Access to the get area. These functions are only available to other protected functions, including derived classes.
Definition at line 481 of file streambuf. Referenced by std::basic_filebuf< _CharT, _Traits >::pbackfail(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekoff(), and std::basic_filebuf< _CharT, _Traits >::showmanyc(). |
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Changes translations.
Reimplemented in std::basic_filebuf< _CharT, _Traits >. |
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Looking ahead into the stream.
showmanyc() .
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Consumes data from the buffer; writes to the controlled sequence.
eof() .For a formal definiton of this function, see a good text such as Langer & Kreft, or [27.5.2.4.5]/3-7. A functioning output streambuf can be created by overriding only this function (no buffer area will be used).
Reimplemented from std::basic_streambuf< _CharT, _Traits >. Definition at line 86 of file sstream.tcc. References std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_mode, std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_string, std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_sync(), std::basic_string< _CharT, _Traits, _Alloc >::assign(), std::basic_string< _CharT, _Traits, _Alloc >::capacity(), std::basic_string< _CharT, _Traits, _Alloc >::data(), std::basic_streambuf< _CharT, _Traits >::eback(), std::basic_streambuf< _CharT, _Traits >::epptr(), std::max(), std::basic_string< _CharT, _Traits, _Alloc >::max_size(), std::min(), std::ios_base::out, std::basic_streambuf< _CharT, _Traits >::pbase(), std::basic_streambuf< _CharT, _Traits >::pbump(), std::basic_streambuf< _CharT, _Traits >::pptr(), std::basic_string< _CharT, _Traits, _Alloc >::push_back(), std::basic_string< _CharT, _Traits, _Alloc >::reserve(), and std::basic_string< _CharT, _Traits, _Alloc >::swap(). |
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Tries to back up the input sequence.
Reimplemented from std::basic_streambuf< _CharT, _Traits >. Definition at line 52 of file sstream.tcc. |
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Access to the put area. These functions are only available to other protected functions, including derived classes.
Definition at line 525 of file streambuf. Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::overflow(), std::basic_filebuf< _CharT, _Traits >::overflow(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekoff(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), and std::basic_filebuf< _CharT, _Traits >::xsputn(). |
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Moving the write position.
Definition at line 541 of file streambuf. Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::overflow(), std::basic_filebuf< _CharT, _Traits >::overflow(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), and std::basic_streambuf< _CharT, _Traits >::xsputn(). |
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Entry point for imbue().
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Entry points for derived buffer functions.
The public versions of |
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
Definition at line 268 of file streambuf. Referenced by std::basic_istream< _CharT, _Traits >::sync(). |
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Getting the next character.
uflow() .
Definition at line 313 of file streambuf. Referenced by std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), std::istreambuf_iterator< _CharT, _Traits >::operator++(), and std::operator>>(). |
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Alters the stream positions. Each derived class provides its own appropriate behavior.
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Alters the stream positions. Each derived class provides its own appropriate behavior.
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Manipulates the buffer.
s is used as a buffer; see http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#2 for more.
Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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Setting the three read area pointers.
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Setting the three write area pointers.
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Getting the next character.
underflow() . Does not move the read position after fetching the character.
Definition at line 335 of file streambuf. Referenced by std::__copy_streambufs_eof(), std::basic_istream< _CharT, _Traits >::get(), std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), and std::basic_istream< _CharT, _Traits >::sentry::sentry(). |
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Entry point for xsgetn.
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Investigating the data available.
underflow() will not return traits::eof() until at least that number of characters have been supplied. If showmanyc() returns -1, then calls to underflow() or uflow() will fail." [27.5.2.4.3]/1
Reimplemented from std::basic_streambuf< _CharT, _Traits >. |
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Getting the next character.
sbumpc() , and if that function returns traits::eof() , so does this function. Otherwise, sgetc() .
Definition at line 295 of file streambuf. Referenced by std::__copy_streambufs_eof(), std::basic_istream< _CharT, _Traits >::get(), std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), and std::basic_istream< _CharT, _Traits >::sentry::sentry(). |
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Pushing characters back into the input stream.
Definition at line 368 of file streambuf. Referenced by std::operator>>(), and std::basic_istream< _CharT, _Traits >::putback(). |
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Entry point for all single-character output functions.
If a write position is available for the output sequence (i.e., the buffer is not full), stores c in that position, increments the position, and returns Definition at line 420 of file streambuf. Referenced by std::__copy_streambufs_eof(), std::basic_istream< _CharT, _Traits >::get(), and std::ostreambuf_iterator< _CharT, _Traits >::operator=(). |
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Entry point for all single-character output functions.
Returns xsputn(s,n). The effect is to write s[0] through s[n-1] to the output sequence, if possible. |
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Tosses a character. Advances the read pointer, ignoring the character that would have been read. See http://gcc.gnu.org/ml/libstdc++/2002-05/msg00168.html
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Setting a new buffer.
Definition at line 152 of file sstream. References std::basic_string< _CharT, _Traits, _Alloc >::assign(), std::basic_string< _CharT, _Traits, _Alloc >::data(), and std::basic_string< _CharT, _Traits, _Alloc >::size(). |
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Copying out the string buffer.
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Moving backwards in the input stream.
Definition at line 393 of file streambuf. Referenced by std::basic_istream< _CharT, _Traits >::unget(). |
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Synchronizes the buffer arrays with the controlled sequences.
Reimplemented in __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >, and std::basic_filebuf< _CharT, _Traits >. |
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Fetches more data from the controlled sequence.
underflow() , and in fact is required to call that function. It also returns the new character, like underflow() does. However, this function also moves the read position forward by one.
Reimplemented in __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >. |
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Fetches more data from the controlled sequence.
traits::eof() to indicate a null pending sequence.For a formal definiton of the pending sequence, see a good text such as Langer & Kreft, or [27.5.2.4.3]/7-14. A functioning input streambuf can be created by overriding only this function (no buffer area will be used). For an example, see http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#6
Reimplemented from std::basic_streambuf< _CharT, _Traits >. Definition at line 137 of file sstream.tcc. References std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_mode, std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_update_egptr(), std::basic_streambuf< _CharT, _Traits >::egptr(), and std::ios_base::in. |
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Multiple character extraction.
sbumpc() . Stops when either n characters have been copied, or when traits::eof() would be copied.It is expected that derived classes provide a more efficient implementation by overriding this definition. Reimplemented in __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >, and std::basic_filebuf< _CharT, _Traits >. Definition at line 50 of file streambuf.tcc. References std::min(). |
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Multiple character insertion.
sputc() . Stops when either n characters have been copied, or when sputc() would return traits::eof() .It is expected that derived classes provide a more efficient implementation by overriding this definition. Reimplemented in __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >, and std::basic_filebuf< _CharT, _Traits >. Definition at line 84 of file streambuf.tcc. References std::basic_streambuf< _CharT, _Traits >::epptr(), std::min(), std::basic_streambuf< _CharT, _Traits >::overflow(), std::basic_streambuf< _CharT, _Traits >::pbump(), and std::basic_streambuf< _CharT, _Traits >::pptr(). Referenced by std::basic_filebuf< _CharT, _Traits >::xsputn(). |
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
Definition at line 207 of file streambuf. Referenced by std::basic_filebuf< _CharT, _Traits >::basic_filebuf(). |
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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Locale access.
loc is returned. Otherwise the global locale in effect at the time of construction is returned.
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