Definition at line 52 of file stdio_sync_filebuf.h.
typedef basic_streambuf<char_type, traits_type> std::basic_streambuf< _CharT, _Traits >::__streambuf_type [inherited] |
This is a non-standard type.
Reimplemented in std::basic_filebuf< _CharT, _Traits >, std::basic_stringbuf< _CharT, _Traits, _Alloc >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
typedef _CharT __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::char_type |
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 >.
Definition at line 56 of file stdio_sync_filebuf.h.
typedef traits_type::int_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::int_type |
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 >.
Definition at line 58 of file stdio_sync_filebuf.h.
typedef traits_type::off_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::off_type |
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 >.
Definition at line 60 of file stdio_sync_filebuf.h.
typedef traits_type::pos_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::pos_type |
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 >.
Definition at line 59 of file stdio_sync_filebuf.h.
typedef _Traits __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::traits_type |
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 >.
Definition at line 57 of file stdio_sync_filebuf.h.
char_type* std::basic_streambuf< _CharT, _Traits >::eback | ( | ) | const [inline, protected, inherited] |
Access to the get area.
These functions are only available to other protected functions, including derived classes.
Definition at line 463 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().
char_type* std::basic_streambuf< _CharT, _Traits >::egptr | ( | ) | const [inline, protected, inherited] |
Access to the get area.
These functions are only available to other protected functions, including derived classes.
Definition at line 469 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(), std::basic_filebuf< _CharT, _Traits >::underflow(), and std::basic_filebuf< _CharT, _Traits >::xsgetn().
std::__c_file* const __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::file | ( | ) | [inline] |
Definition at line 84 of file stdio_sync_filebuf.h.
void std::basic_streambuf< _CharT, _Traits >::gbump | ( | int | __n | ) | [inline, protected, inherited] |
Moving the read position.
n | The delta by which to move. |
Definition at line 479 of file streambuf.
Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekpos(), and std::basic_filebuf< _CharT, _Traits >::xsgetn().
locale std::basic_streambuf< _CharT, _Traits >::getloc | ( | ) | const [inline, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::gptr | ( | ) | const [inline, protected, inherited] |
Access to the get area.
These functions are only available to other protected functions, including derived classes.
Definition at line 466 of file streambuf.
Referenced by std::basic_filebuf< _CharT, _Traits >::pbackfail(), std::basic_stringbuf< _CharT, _Traits, _Alloc >::seekoff(), std::basic_filebuf< _CharT, _Traits >::showmanyc(), and std::basic_filebuf< _CharT, _Traits >::xsgetn().
virtual void std::basic_streambuf< _CharT, _Traits >::imbue | ( | const locale & | ) | [inline, protected, virtual, inherited] |
Changes translations.
loc | A new locale. |
Reimplemented in std::basic_filebuf< _CharT, _Traits >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
streamsize std::basic_streambuf< _CharT, _Traits >::in_avail | ( | ) | [inline, inherited] |
Looking ahead into the stream.
showmanyc()
.
virtual int_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::overflow | ( | int_type | __c = traits_type::eof() |
) | [inline, protected, virtual] |
Consumes data from the buffer; writes to the controlled sequence.
c | An additional character to consume. |
eof()
.For a formal definition 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 137 of file stdio_sync_filebuf.h.
virtual int_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::pbackfail | ( | int_type | __c = traits_type::eof() |
) | [inline, protected, virtual] |
Tries to back up the input sequence.
c | The character to be inserted back into the sequence. |
gptr()
, eback()
, and pptr()
are the same as for underflow()
.Reimplemented from std::basic_streambuf< _CharT, _Traits >.
Definition at line 112 of file stdio_sync_filebuf.h.
char_type* std::basic_streambuf< _CharT, _Traits >::pbase | ( | ) | const [inline, protected, inherited] |
Access to the put area.
These functions are only available to other protected functions, including derived classes.
Definition at line 510 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().
void std::basic_streambuf< _CharT, _Traits >::pbump | ( | int | __n | ) | [inline, protected, inherited] |
Moving the write position.
n | The delta by which to move. |
Definition at line 526 of file streambuf.
Referenced by std::basic_stringbuf< _CharT, _Traits, _Alloc >::_M_sync(), 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().
locale std::basic_streambuf< _CharT, _Traits >::pubimbue | ( | const locale & | __loc | ) | [inline, inherited] |
pos_type std::basic_streambuf< _CharT, _Traits >::pubseekoff | ( | off_type | __off, | |
ios_base::seekdir | __way, | |||
ios_base::openmode | __mode = ios_base::in | ios_base::out | |||
) | [inline, inherited] |
pos_type std::basic_streambuf< _CharT, _Traits >::pubseekpos | ( | pos_type | __sp, | |
ios_base::openmode | __mode = ios_base::in | ios_base::out | |||
) | [inline, inherited] |
__streambuf_type* std::basic_streambuf< _CharT, _Traits >::pubsetbuf | ( | char_type * | __s, | |
streamsize | __n | |||
) | [inline, inherited] |
int std::basic_streambuf< _CharT, _Traits >::pubsync | ( | ) | [inline, inherited] |
Locale access.
loc
is returned. Otherwise the global locale in effect at the time of construction is returned.
Definition at line 253 of file streambuf.
Referenced by std::basic_istream< _CharT, _Traits >::sync().
int_type std::basic_streambuf< _CharT, _Traits >::sbumpc | ( | ) | [inline, inherited] |
Getting the next character.
uflow()
.
Definition at line 298 of file streambuf.
Referenced by std::basic_istream< _CharT, _Traits >::getline(), std::basic_istream< _CharT, _Traits >::ignore(), and std::istreambuf_iterator< _CharT, _Traits >::operator++().
virtual pos_type std::basic_streambuf< _CharT, _Traits >::seekoff | ( | off_type | , | |
ios_base::seekdir | , | |||
ios_base::openmode | = ios_base::in | ios_base::out | |||
) | [inline, protected, virtual, inherited] |
Alters the stream positions.
Each derived class provides its own appropriate behavior.
pos_type
that represents an invalid stream position. Reimplemented in std::basic_filebuf< _CharT, _Traits >, std::basic_stringbuf< _CharT, _Traits, _Alloc >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
virtual pos_type std::basic_streambuf< _CharT, _Traits >::seekpos | ( | pos_type | , | |
ios_base::openmode | = ios_base::in | ios_base::out | |||
) | [inline, protected, virtual, inherited] |
Alters the stream positions.
Each derived class provides its own appropriate behavior.
pos_type
that represents an invalid stream position. Reimplemented in std::basic_filebuf< _CharT, _Traits >, std::basic_stringbuf< _CharT, _Traits, _Alloc >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
virtual basic_streambuf<char_type,_Traits>* std::basic_streambuf< _CharT, _Traits >::setbuf | ( | char_type * | , | |
streamsize | ||||
) | [inline, protected, virtual, inherited] |
Manipulates the buffer.
Each derived class provides its own appropriate behavior. See the next-to-last paragraph of http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#2 for more on this function.
this
. Reimplemented in std::basic_filebuf< _CharT, _Traits >, std::basic_stringbuf< _CharT, _Traits, _Alloc >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
void std::basic_streambuf< _CharT, _Traits >::setg | ( | char_type * | __gbeg, | |
char_type * | __gnext, | |||
char_type * | __gend | |||
) | [inline, protected, inherited] |
void std::basic_streambuf< _CharT, _Traits >::setp | ( | char_type * | __pbeg, | |
char_type * | __pend | |||
) | [inline, protected, inherited] |
int_type std::basic_streambuf< _CharT, _Traits >::sgetc | ( | ) | [inline, inherited] |
Getting the next character.
underflow()
. Does not move the read position after fetching the character.
Definition at line 320 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().
streamsize std::basic_streambuf< _CharT, _Traits >::sgetn | ( | char_type * | __s, | |
streamsize | __n | |||
) | [inline, inherited] |
virtual streamsize std::basic_streambuf< _CharT, _Traits >::showmanyc | ( | ) | [inline, protected, virtual, inherited] |
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
The standard adds that "the intention is not only that the calls [to underflow or uflow] will not return eof()
but that they will return "immediately".
The standard adds that "the morphemes of showmanyc
are "es-how-many-see", not "show-manic".
Reimplemented in std::basic_filebuf< _CharT, _Traits >, std::basic_stringbuf< _CharT, _Traits, _Alloc >, and std::basic_filebuf< _CharT, __gnu_cxx::encoding_char_traits< _CharT > >.
int_type std::basic_streambuf< _CharT, _Traits >::snextc | ( | ) | [inline, inherited] |
Getting the next character.
sbumpc()
, and if that function returns traits::eof()
, so does this function. Otherwise, sgetc()
.
Definition at line 280 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().
int_type std::basic_streambuf< _CharT, _Traits >::sputbackc | ( | char_type | __c | ) | [inline, inherited] |
Pushing characters back into the input stream.
c | The character to push back. |
Definition at line 353 of file streambuf.
Referenced by std::basic_istream< _CharT, _Traits >::putback().
int_type std::basic_streambuf< _CharT, _Traits >::sputc | ( | char_type | __c | ) | [inline, inherited] |
Entry point for all single-character output functions.
c | A character to output. |
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 traits::to_int_type(c)
. If a write position is not available, returns overflow(c)
.
Definition at line 405 of file streambuf.
Referenced by std::__copy_streambufs_eof(), std::basic_istream< _CharT, _Traits >::get(), and std::ostreambuf_iterator< _CharT, _Traits >::operator=().
streamsize std::basic_streambuf< _CharT, _Traits >::sputn | ( | const char_type * | __s, | |
streamsize | __n | |||
) | [inline, inherited] |
void std::basic_streambuf< _CharT, _Traits >::stossc | ( | ) | [inline, inherited] |
Tosses a character.
Advances the read pointer, ignoring the character that would have been read.
int_type std::basic_streambuf< _CharT, _Traits >::sungetc | ( | ) | [inline, inherited] |
Moving backwards in the input stream.
Definition at line 378 of file streambuf.
Referenced by std::basic_istream< _CharT, _Traits >::unget().
virtual int __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::sync | ( | ) | [inline, protected, virtual] |
Synchronizes the buffer arrays with the controlled sequences.
Reimplemented from std::basic_streambuf< _CharT, _Traits >.
Definition at line 156 of file stdio_sync_filebuf.h.
virtual int_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::uflow | ( | ) | [inline, protected, virtual] |
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 from std::basic_streambuf< _CharT, _Traits >.
Definition at line 104 of file stdio_sync_filebuf.h.
virtual int_type __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::underflow | ( | ) | [inline, protected, virtual] |
Fetches more data from the controlled sequence.
traits::eof()
to indicate a null pending sequence.For a formal definition 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 97 of file stdio_sync_filebuf.h.
virtual std::streamsize __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::xsgetn | ( | char_type * | __s, | |
std::streamsize | __n | |||
) | [protected, virtual] |
Multiple character extraction.
s | A buffer area. | |
n | Maximum number of characters to assign. |
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 from std::basic_streambuf< _CharT, _Traits >.
virtual std::streamsize __gnu_cxx::stdio_sync_filebuf< _CharT, _Traits >::xsputn | ( | const char_type * | __s, | |
std::streamsize | __n | |||
) | [protected, virtual] |
Multiple character insertion.
s | A buffer area. | |
n | Maximum number of characters to write. |
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 from std::basic_streambuf< _CharT, _Traits >.
locale std::basic_streambuf< _CharT, _Traits >::_M_buf_locale [protected, inherited] |
Current locale setting.
Definition at line 192 of file streambuf.
Referenced by std::basic_filebuf< _CharT, _Traits >::basic_filebuf().
char_type* std::basic_streambuf< _CharT, _Traits >::_M_in_beg [protected, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::_M_in_cur [protected, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::_M_in_end [protected, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::_M_out_beg [protected, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::_M_out_cur [protected, inherited] |
char_type* std::basic_streambuf< _CharT, _Traits >::_M_out_end [protected, inherited] |