#include <ext/stdio_filebuf.h>
locale | pubimbue (const locale &__loc) |
Entry point for imbue(). | |
locale | getloc () const |
Locale access. | |
streambuf_type * | pubsetbuf (char_type *s, streamsize n) |
Entry points for derived buffer functions. | |
pos_type | pubseekoff (off_type __off, ios_base::seekdir __way, ios_base::openmode __mode=ios_base::in|ios_base::out) |
Entry point for imbue(). | |
pos_type | pubseekpos (pos_type sp, ios_base::openmode __mode=ios_base::in|ios_base::out) |
Entry point for imbue(). | |
int | pubsync () |
Entry point for imbue(). | |
char_type * | M_in_beg |
Entry point for imbue(). | |
char_type * | M_in_cur |
Entry point for imbue(). | |
char_type * | M_in_end |
Entry point for imbue(). | |
char_type * | M_out_beg |
Entry point for imbue(). | |
char_type * | M_out_cur |
Entry point for imbue(). | |
char_type * | M_out_end |
Entry point for imbue(). | |
locale | M_buf_locale |
Entry point for imbue(). | |
Public Types | |
typedef CharT | char_type |
typedef Traits | traits_type |
typedef traits_type::int_type | int_type |
typedef traits_type::pos_type | pos_type |
typedef traits_type::off_type | off_type |
Public Member Functions | |
stdio_filebuf () | |
stdio_filebuf (int __fd, std::ios_base::openmode __mode, size_t size=static_cast< size_t >(BUFSIZ)) | |
stdio_filebuf (std::c_file *__f, std::ios_base::openmode __mode, size_t size=static_cast< size_t >(BUFSIZ)) | |
virtual | ~stdio_filebuf () |
int | fd () |
std::c_file * | file () |
bool | is_open () const throw () |
Returns true if the external file is open. | |
__filebuf_type * | open (const char *s, ios_base::openmode __mode) |
Opens an external file. | |
__filebuf_type * | close () throw () |
Closes the currently associated file. | |
streamsize | in_avail () |
Looking ahead into the stream. | |
int_type | snextc () |
Getting the next character. | |
int_type | sbumpc () |
Getting the next character. | |
int_type | sgetc () |
Getting the next character. | |
streamsize | sgetn (char_type *s, streamsize n) |
Entry point for xsgetn. | |
int_type | sputbackc (char_type c) |
Pushing characters back into the input stream. | |
int_type | sungetc () |
Moving backwards in the input stream. | |
int_type | sputc (char_type c) |
Entry point for all single-character output functions. | |
streamsize | sputn (const char_type *s, streamsize n) |
Entry point for all single-character output functions. | |
Protected Member Functions | |
virtual streamsize | showmanyc () |
Investigating the data available. | |
virtual int_type | underflow () |
Fetches more data from the controlled sequence. | |
virtual int_type | pbackfail (int_type c=Traits::eof()) |
Tries to back up the input sequence. | |
virtual int_type | overflow (int_type c=Traits::eof()) |
Consumes data from the buffer; writes to the controlled sequence. | |
virtual streambuf_type * | setbuf (char_type *s, streamsize n) |
Manipulates the buffer. | |
virtual pos_type | seekoff (off_type __off, ios_base::seekdir __way, ios_base::openmode __mode=ios_base::in|ios_base::out) |
Alters the stream positions. | |
virtual pos_type | seekpos (pos_type position, ios_base::openmode __mode=ios_base::in|ios_base::out) |
Alters the stream positions. | |
virtual int | sync () |
Synchronizes the buffer arrays with the controlled sequences. | |
virtual void | imbue (const locale &__loc) |
Changes translations. | |
virtual streamsize | xsgetn (char_type *s, streamsize n) |
Multiple character extraction. | |
virtual streamsize | xsputn (const char_type *s, streamsize n) |
Multiple character insertion. | |
void | gbump (int n) |
Moving the read position. | |
void | setg (char_type *__gbeg, char_type *__gnext, char_type *__gend) |
Setting the three read area pointers. | |
void | pbump (int n) |
Moving the write position. | |
void | setp (char_type *__pbeg, char_type *__pend) |
Setting the three write area pointers. | |
virtual int_type | uflow () |
Fetches more data from the controlled sequence. | |
char_type * | eback () const |
Access to the get area. | |
char_type * | gptr () const |
Access to the get area. | |
char_type * | egptr () const |
Access to the get area. | |
char_type * | pbase () const |
Access to the put area. | |
char_type * | pptr () const |
Access to the put area. | |
char_type * | epptr () const |
Access to the put area. |
This GNU extension provides extensions for working with standard C FILE*'s and POSIX file descriptors. It must be instantiated by the user with the type of character used in the file stream, e.g., stdio_filebuf<char>.
Definition at line 53 of file stdio_filebuf.h.
typedef CharT __gnu_cxx::stdio_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_filebuf< CharT, Traits >.
Definition at line 57 of file stdio_filebuf.h.
typedef Traits __gnu_cxx::stdio_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_filebuf< CharT, Traits >.
Definition at line 58 of file stdio_filebuf.h.
typedef traits_type::int_type __gnu_cxx::stdio_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_filebuf< CharT, Traits >.
Definition at line 59 of file stdio_filebuf.h.
typedef traits_type::pos_type __gnu_cxx::stdio_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_filebuf< CharT, Traits >.
Definition at line 60 of file stdio_filebuf.h.
typedef traits_type::off_type __gnu_cxx::stdio_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_filebuf< CharT, Traits >.
Definition at line 61 of file stdio_filebuf.h.
__gnu_cxx::stdio_filebuf< CharT, Traits >::stdio_filebuf | ( | ) | [inline] |
deferred initialization
Definition at line 68 of file stdio_filebuf.h.
__gnu_cxx::stdio_filebuf< CharT, Traits >::stdio_filebuf | ( | int | __fd, | |
std::ios_base::openmode | __mode, | |||
size_t | size = static_cast<size_t>(BUFSIZ) | |||
) | [inline] |
fd | An open file descriptor. | |
mode | Same meaning as in a standard filebuf. | |
size | Optimal or preferred size of internal buffer, in chars. |
Definition at line 130 of file stdio_filebuf.h.
References std::basic_filebuf< CharT, Traits >::is_open().
__gnu_cxx::stdio_filebuf< CharT, Traits >::stdio_filebuf | ( | std::c_file * | __f, | |
std::ios_base::openmode | __mode, | |||
size_t | size = static_cast<size_t>(BUFSIZ) | |||
) | [inline] |
f | An open FILE* . | |
mode | Same meaning as in a standard filebuf. | |
size | Optimal or preferred size of internal buffer, in chars. Defaults to system's BUFSIZ . |
FILE*
. The FILE*
will not be automatically closed when the stdio_filebuf is closed/destroyed.
Definition at line 146 of file stdio_filebuf.h.
References std::basic_filebuf< CharT, Traits >::is_open().
__gnu_cxx::stdio_filebuf< CharT, Traits >::~stdio_filebuf | ( | ) | [inline, virtual] |
Closes the external data stream if the file descriptor constructor was used.
Definition at line 125 of file stdio_filebuf.h.
int __gnu_cxx::stdio_filebuf< CharT, Traits >::fd | ( | ) | [inline] |
Definition at line 111 of file stdio_filebuf.h.
std::c_file* __gnu_cxx::stdio_filebuf< CharT, Traits >::file | ( | ) | [inline] |
Definition at line 121 of file stdio_filebuf.h.
bool std::basic_filebuf< CharT, Traits >::is_open | ( | ) | const throw () [inline, inherited] |
Returns true if the external file is open.
Definition at line 285 of file fstream.
Referenced by std::basic_filebuf< CharT, Traits >::close(), std::basic_filebuf< CharT, Traits >::imbue(), std::basic_filebuf< CharT, Traits >::open(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_filebuf< CharT, Traits >::seekpos(), std::basic_filebuf< CharT, Traits >::setbuf(), std::basic_filebuf< CharT, Traits >::showmanyc(), and __gnu_cxx::stdio_filebuf< CharT, Traits >::stdio_filebuf().
basic_filebuf< CharT, Traits >::__filebuf_type * std::basic_filebuf< CharT, Traits >::open | ( | const char * | s, | |
ios_base::openmode | __mode | |||
) | [inline, inherited] |
Opens an external file.
s | The name of the file. | |
mode | The open mode flags. |
this
on success, NULL on failure[Table 92 gives the relation between openmode combinations and the equivalent fopen() flags, but the table has not been copied yet.]
Definition at line 91 of file fstream.tcc.
References std::ios_base::ate, std::basic_filebuf< CharT, Traits >::close(), std::ios_base::end, std::basic_filebuf< CharT, Traits >::is_open(), and std::basic_filebuf< CharT, Traits >::seekoff().
basic_filebuf< CharT, Traits >::__filebuf_type * std::basic_filebuf< CharT, Traits >::close | ( | ) | throw () [inline, inherited] |
Closes the currently associated file.
this
on success, NULL on failure
If a "put buffer area" exists, overflow(eof)
is called to flush all the characters. The file is then closed.
If any operations fail, this function also fails.
Definition at line 125 of file fstream.tcc.
References std::basic_filebuf< CharT, Traits >::is_open().
Referenced by std::basic_filebuf< CharT, Traits >::open(), and std::basic_filebuf< CharT, __gnu_cxx::enc_char_traits< CharT > >::~basic_filebuf().
streamsize std::basic_filebuf< 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 from std::basic_streambuf< CharT, Traits >.
Definition at line 160 of file fstream.tcc.
References std::basic_streambuf< CharT, Traits >::egptr(), std::basic_streambuf< CharT, Traits >::gptr(), std::ios_base::in, and std::basic_filebuf< CharT, Traits >::is_open().
basic_filebuf< CharT, Traits >::int_type std::basic_filebuf< CharT, Traits >::underflow | ( | ) | [inline, protected, virtual, inherited] |
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 178 of file fstream.tcc.
References std::copy(), std::basic_streambuf< CharT, Traits >::eback(), std::basic_streambuf< CharT, Traits >::egptr(), std::basic_streambuf< CharT, Traits >::gptr(), std::ios_base::in, and std::min().
Referenced by std::basic_filebuf< CharT, Traits >::pbackfail().
basic_filebuf< CharT, Traits >::int_type std::basic_filebuf< CharT, Traits >::pbackfail | ( | int_type | = Traits::eof() |
) | [inline, protected, virtual, inherited] |
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 328 of file fstream.tcc.
References std::ios_base::cur, std::basic_streambuf< CharT, Traits >::eback(), std::basic_streambuf< CharT, Traits >::gbump(), std::basic_streambuf< CharT, Traits >::gptr(), std::ios_base::in, std::basic_filebuf< CharT, Traits >::seekoff(), and std::basic_filebuf< CharT, Traits >::underflow().
basic_filebuf< CharT, Traits >::int_type std::basic_filebuf< CharT, Traits >::overflow | ( | int_type | = Traits::eof() |
) | [inline, protected, virtual, inherited] |
Consumes data from the buffer; writes to the controlled sequence.
c | An additional character to consume. |
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 380 of file fstream.tcc.
References std::ios_base::out, std::basic_streambuf< CharT, Traits >::pbase(), std::basic_streambuf< CharT, Traits >::pbump(), and std::basic_streambuf< CharT, Traits >::pptr().
Referenced by std::basic_filebuf< CharT, Traits >::sync().
basic_filebuf< CharT, Traits >::streambuf_type * std::basic_filebuf< CharT, Traits >::setbuf | ( | char_type * | s, | |
streamsize | n | |||
) | [inline, protected, virtual, inherited] |
Manipulates the buffer.
s | Pointer to a buffer area. | |
n | Size of s. |
this
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 >.
Definition at line 629 of file fstream.tcc.
References std::basic_filebuf< CharT, Traits >::is_open().
basic_filebuf< CharT, Traits >::pos_type std::basic_filebuf< 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 from std::basic_streambuf< CharT, Traits >.
Definition at line 656 of file fstream.tcc.
References std::ios_base::cur, std::basic_streambuf< CharT, Traits >::eback(), std::basic_streambuf< CharT, Traits >::egptr(), std::basic_streambuf< CharT, Traits >::gptr(), and std::basic_filebuf< CharT, Traits >::is_open().
Referenced by std::basic_filebuf< CharT, Traits >::imbue(), std::basic_filebuf< CharT, Traits >::open(), and std::basic_filebuf< CharT, Traits >::pbackfail().
basic_filebuf< CharT, Traits >::pos_type std::basic_filebuf< 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 from std::basic_streambuf< CharT, Traits >.
Definition at line 709 of file fstream.tcc.
References std::ios_base::beg, and std::basic_filebuf< CharT, Traits >::is_open().
int std::basic_filebuf< CharT, Traits >::sync | ( | ) | [inline, protected, virtual, inherited] |
Synchronizes the buffer arrays with the controlled sequences.
Reimplemented from std::basic_streambuf< CharT, Traits >.
Definition at line 805 of file fstream.tcc.
References std::basic_filebuf< CharT, Traits >::overflow(), std::basic_streambuf< CharT, Traits >::pbase(), and std::basic_streambuf< CharT, Traits >::pptr().
void std::basic_filebuf< CharT, Traits >::imbue | ( | const locale & | ) | [inline, protected, virtual, inherited] |
Changes translations.
loc | A new locale. |
Reimplemented from std::basic_streambuf< CharT, Traits >.
Definition at line 822 of file fstream.tcc.
References std::ios_base::cur, std::basic_streambuf< CharT, Traits >::eback(), std::basic_streambuf< CharT, Traits >::gptr(), std::basic_filebuf< CharT, Traits >::is_open(), and std::basic_filebuf< CharT, Traits >::seekoff().
streamsize std::basic_filebuf< CharT, Traits >::xsgetn | ( | char_type * | s, | |
streamsize | n | |||
) | [inline, protected, virtual, inherited] |
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 >.
Definition at line 499 of file fstream.tcc.
References std::copy(), std::basic_streambuf< CharT, Traits >::eback(), std::basic_streambuf< CharT, Traits >::egptr(), std::basic_streambuf< CharT, Traits >::gbump(), std::basic_streambuf< CharT, Traits >::gptr(), and std::ios_base::in.
streamsize std::basic_filebuf< CharT, Traits >::xsputn | ( | const char_type * | s, | |
streamsize | n | |||
) | [inline, protected, virtual, inherited] |
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 >.
Definition at line 582 of file fstream.tcc.
References std::basic_streambuf< CharT, Traits >::epptr(), std::min(), std::ios_base::out, std::basic_streambuf< CharT, Traits >::pbase(), and std::basic_streambuf< CharT, Traits >::pptr().
locale std::basic_streambuf< CharT, Traits >::pubimbue | ( | const locale & | __loc | ) | [inline, inherited] |
locale std::basic_streambuf< CharT, Traits >::getloc | ( | ) | const [inline, inherited] |
Locale access.
loc
is returned. Otherwise the global locale in effect at the time of construction is returned.
Definition at line 215 of file streambuf.
Referenced by std::basic_streambuf< char, std::std::char_traits< char > >::pubimbue().
streambuf_type* std::basic_streambuf< CharT, Traits >::pubsetbuf | ( | char_type * | s, | |
streamsize | n | |||
) | [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] |
int std::basic_streambuf< CharT, Traits >::pubsync | ( | ) | [inline, inherited] |
streamsize std::basic_streambuf< CharT, Traits >::in_avail | ( | ) | [inline, inherited] |
Looking ahead into the stream.
showmanyc()
.
int_type std::basic_streambuf< CharT, Traits >::snextc | ( | ) | [inline, inherited] |
int_type std::basic_streambuf< CharT, Traits >::sbumpc | ( | ) | [inline, inherited] |
Getting the next character.
uflow()
.
Definition at line 287 of file streambuf.
Referenced by std::operator>>(), and std::basic_streambuf< char, std::std::char_traits< char > >::snextc().
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 309 of file streambuf.
Referenced by std::basic_streambuf< char, std::std::char_traits< char > >::snextc().
streamsize std::basic_streambuf< CharT, Traits >::sgetn | ( | char_type * | s, | |
streamsize | n | |||
) | [inline, inherited] |
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 342 of file streambuf.
Referenced by std::operator>>().
int_type std::basic_streambuf< CharT, Traits >::sungetc | ( | ) | [inline, inherited] |
Moving backwards in the input stream.
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 394 of file streambuf.
Referenced by std::basic_stringbuf< CharT, Traits, Alloc >::overflow().
streamsize std::basic_streambuf< CharT, Traits >::sputn | ( | const char_type * | s, | |
streamsize | n | |||
) | [inline, inherited] |
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 452 of file streambuf.
Referenced by std::basic_filebuf< CharT, Traits >::imbue(), std::basic_stringbuf< CharT, Traits, Alloc >::overflow(), std::basic_stringbuf< CharT, Traits, Alloc >::pbackfail(), std::basic_filebuf< CharT, Traits >::pbackfail(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< char, std::std::char_traits< char > >::sputbackc(), std::basic_streambuf< char, std::std::char_traits< char > >::sungetc(), std::basic_filebuf< CharT, Traits >::underflow(), and std::basic_filebuf< CharT, Traits >::xsgetn().
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 455 of file streambuf.
Referenced by std::basic_filebuf< CharT, Traits >::imbue(), std::basic_streambuf< char, std::std::char_traits< char > >::in_avail(), std::basic_stringbuf< CharT, Traits, Alloc >::overflow(), std::basic_stringbuf< CharT, Traits, Alloc >::pbackfail(), std::basic_filebuf< CharT, Traits >::pbackfail(), std::basic_streambuf< char, std::std::char_traits< char > >::sbumpc(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< char, std::std::char_traits< char > >::sgetc(), std::basic_filebuf< CharT, Traits >::showmanyc(), std::basic_streambuf< char, std::std::char_traits< char > >::sputbackc(), std::basic_streambuf< char, std::std::char_traits< char > >::sungetc(), std::basic_streambuf< char, std::std::char_traits< char > >::uflow(), std::basic_stringbuf< CharT, Traits, Alloc >::underflow(), std::basic_filebuf< CharT, Traits >::underflow(), std::basic_streambuf< CharT, Traits >::xsgetn(), 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 458 of file streambuf.
Referenced by std::basic_streambuf< char, std::std::char_traits< char > >::in_avail(), std::basic_streambuf< char, std::std::char_traits< char > >::sbumpc(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< char, std::std::char_traits< char > >::sgetc(), std::basic_filebuf< CharT, Traits >::showmanyc(), std::basic_stringbuf< CharT, Traits, Alloc >::str(), std::basic_stringbuf< CharT, Traits, Alloc >::underflow(), std::basic_filebuf< CharT, Traits >::underflow(), std::basic_streambuf< CharT, Traits >::xsgetn(), and std::basic_filebuf< CharT, Traits >::xsgetn().
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 468 of file streambuf.
Referenced by std::basic_stringbuf< CharT, Traits, Alloc >::pbackfail(), std::basic_filebuf< CharT, Traits >::pbackfail(), std::basic_streambuf< char, std::std::char_traits< char > >::sbumpc(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< char, std::std::char_traits< char > >::sputbackc(), std::basic_streambuf< char, std::std::char_traits< char > >::sungetc(), std::basic_streambuf< char, std::std::char_traits< char > >::uflow(), std::basic_streambuf< CharT, Traits >::xsgetn(), and std::basic_filebuf< CharT, Traits >::xsgetn().
void std::basic_streambuf< CharT, Traits >::setg | ( | char_type * | __gbeg, | |
char_type * | __gnext, | |||
char_type * | __gend | |||
) | [inline, protected, inherited] |
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 499 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(), std::basic_stringbuf< CharT, Traits, Alloc >::str(), std::basic_filebuf< CharT, Traits >::sync(), and std::basic_filebuf< CharT, Traits >::xsputn().
char_type* std::basic_streambuf< CharT, Traits >::pptr | ( | ) | const [inline, protected, inherited] |
Access to the put area.
These functions are only available to other protected functions, including derived classes.
Definition at line 502 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(), std::basic_streambuf< char, std::std::char_traits< char > >::sputc(), std::basic_stringbuf< CharT, Traits, Alloc >::str(), std::basic_filebuf< CharT, Traits >::sync(), std::basic_streambuf< CharT, Traits >::xsputn(), and std::basic_filebuf< CharT, Traits >::xsputn().
char_type* std::basic_streambuf< CharT, Traits >::epptr | ( | ) | const [inline, protected, inherited] |
Access to the put area.
These functions are only available to other protected functions, including derived classes.
Definition at line 505 of file streambuf.
Referenced by std::basic_stringbuf< CharT, Traits, Alloc >::overflow(), std::basic_streambuf< char, std::std::char_traits< char > >::sputc(), std::basic_streambuf< CharT, Traits >::xsputn(), 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 515 of file streambuf.
Referenced by std::basic_filebuf< CharT, Traits >::overflow(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< char, std::std::char_traits< char > >::sputc(), and std::basic_streambuf< CharT, Traits >::xsputn().
void std::basic_streambuf< CharT, Traits >::setp | ( | char_type * | __pbeg, | |
char_type * | __pend | |||
) | [inline, protected, inherited] |
virtual int_type std::basic_streambuf< CharT, Traits >::uflow | ( | ) | [inline, protected, virtual, inherited] |
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.
Definition at line 670 of file streambuf.
Referenced by std::basic_streambuf< char, std::std::char_traits< char > >::sbumpc(), and std::basic_streambuf< CharT, Traits >::xsgetn().
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] |
locale std::basic_streambuf< CharT, Traits >::M_buf_locale [protected, inherited] |