#include <ios_base.h>
Inheritance diagram for std::ios_base:
Public Types | |
typedef IosFmtflags | fmtflags |
This is a bitmask type. | |
typedef IosIostate | iostate |
This is a bitmask type. | |
typedef IosOpenmode | openmode |
This is a bitmask type. | |
typedef IosSeekdir | seekdir |
This is an enumerated type. | |
typedef void(* | event_callback )(event, ios_base &, int) |
enum | event |
Public Member Functions | |
void | register_callback (event_callback __fn, int index) |
fmtflags | flags () const |
Access to format flags. | |
fmtflags | flags (fmtflags __fmtfl) |
Setting new format flags all at once. | |
fmtflags | setf (fmtflags __fmtfl) |
Setting new format flags. | |
fmtflags | setf (fmtflags __fmtfl, fmtflags __mask) |
Setting new format flags. | |
void | unsetf (fmtflags __mask) |
Clearing format flags. | |
streamsize | precision () const |
Flags access. | |
streamsize | precision (streamsize __prec) |
Changing flags. | |
streamsize | width () const |
Flags access. | |
streamsize | width (streamsize __wide) |
Changing flags. | |
locale | imbue (const locale &__loc) |
Setting a new locale. | |
locale | getloc () const |
Locale access. | |
const locale & | M_getloc () const |
Locale access. | |
long & | iword (int __ix) |
void *& | pword (int __ix) |
~ios_base () | |
Static Public Member Functions | |
static bool | sync_with_stdio (bool sync=true) |
Interaction with the standard C I/O objects. | |
static int | xalloc () throw () |
Static Public Attributes | |
static const fmtflags | boolalpha |
Insert/extract bool in alphabetic rather than numeric format. | |
static const fmtflags | dec |
Converts integer input or generates integer output in decimal base. | |
static const fmtflags | fixed |
Generate floating-point output in fixed-point notation. | |
static const fmtflags | hex |
Converts integer input or generates integer output in hexadecimal base. | |
static const fmtflags | internal |
designated. | |
static const fmtflags | left |
generated output. (I.e., the thing you print is flush left.) | |
static const fmtflags | oct |
Converts integer input or generates integer output in octal base. | |
static const fmtflags | right |
generated output. (I.e., the thing you print is flush right.) | |
static const fmtflags | scientific |
Generates floating-point output in scientific notation. | |
static const fmtflags | showbase |
output. | |
static const fmtflags | showpoint |
floating-point output. | |
static const fmtflags | showpos |
Generates a + sign in non-negative generated numeric output. | |
static const fmtflags | skipws |
Skips leading white space before certain input operations. | |
static const fmtflags | unitbuf |
Flushes output after each output operation. | |
static const fmtflags | uppercase |
in generated output. | |
static const fmtflags | adjustfield |
A mask of left|right|internal. Useful for the 2-arg form of setf . | |
static const fmtflags | basefield |
A mask of dec|oct|hex. Useful for the 2-arg form of setf . | |
static const fmtflags | floatfield |
A mask of scientific|fixed. Useful for the 2-arg form of setf . | |
static const iostate | badbit |
as an irrecoverable read error from a file). | |
static const iostate | eofbit |
Indicates that an input operation reached the end of an input sequence. | |
static const iostate | failbit |
desired characters. | |
static const iostate | goodbit |
Indicates all is well. | |
static const openmode | app |
Seek to end before each write. | |
static const openmode | ate |
Open and seek to end immediately after opening. | |
static const openmode | binary |
http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more. | |
static const openmode | in |
Open for input. Default for ifstream and fstream. | |
static const openmode | out |
Open for output. Default for ofstream and fstream. | |
static const openmode | trunc |
Open for input. Default for ofstream . | |
static const seekdir | beg |
Request a seek relative to the beginning of the stream. | |
static const seekdir | cur |
Request a seek relative to the current position within the sequence. | |
static const seekdir | end |
Request a seek relative to the current end of the sequence. | |
Classes | |
class | failure |
These are thrown to indicate problems. Doc me. More... |
This class defines everything that can be defined about I/O that does not depend on the type of characters being input or output. Most people will only see ios_base
when they need to specify the full name of the various I/O flags (e.g., the openmodes).
Definition at line 158 of file ios_base.h.
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Definition at line 355 of file ios_base.h. |
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This is a bitmask type.
Definition at line 212 of file ios_base.h. |
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This is a bitmask type.
Definition at line 269 of file ios_base.h. |
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This is a bitmask type.
Definition at line 296 of file ios_base.h. |
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This is an enumerated type.
Definition at line 323 of file ios_base.h. |
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Definition at line 345 of file ios_base.h. |
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Destroys local storage and [XXX does something with callbacks]. |
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Setting new format flags all at once.
Definition at line 482 of file ios_base.h. |
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Access to format flags.
Definition at line 472 of file ios_base.h. Referenced by std::basic_ios< CharT, Traits >::copyfmt(), std::basic_ostream< CharT, Traits >::operator<<(), and std::basic_ostream< char >::operator<<(). |
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Locale access.
imbue(loc) has previously been called, then this function returns loc . Otherwise, it returns a copy of std::locale() , the global C++ locale.
Definition at line 614 of file ios_base.h. Referenced by std::basic_ios< CharT, Traits >::copyfmt(). |
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Setting a new locale.
Reimplemented in std::basic_ios< CharT, Traits >, and std::basic_ios< char, Traits >. Definition at line 304 of file ios.cc. Referenced by std::basic_ios< CharT, Traits >::imbue(). |
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Definition at line 637 of file ios_base.h. |
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Locale access.
Definition at line 624 of file ios_base.h. |
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Changing flags.
Definition at line 550 of file ios_base.h. |
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Flags access.
Definition at line 542 of file ios_base.h. Referenced by std::basic_ios< CharT, Traits >::copyfmt(). |
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Definition at line 648 of file ios_base.h. |
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Setting new format flags.
& mask. An example mask is ios_base::adjustfield .
Definition at line 515 of file ios_base.h. |
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Setting new format flags.
Definition at line 498 of file ios_base.h. Referenced by std::boolalpha(). |
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Interaction with the standard C I/O objects.
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Clearing format flags.
Definition at line 530 of file ios_base.h. |
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Changing flags.
Definition at line 572 of file ios_base.h. |
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Flags access.
Definition at line 564 of file ios_base.h. Referenced by std::basic_ios< CharT, Traits >::copyfmt(). |
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A mask of left|right|internal. Useful for the 2-arg form of
Definition at line 122 of file ios.cc. Referenced by std::internal(), std::left(), and std::right(). |
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Seek to end before each write.
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Open and seek to end immediately after opening.
Definition at line 132 of file ios.cc. Referenced by std::basic_filebuf< CharT, Traits >::open(). |
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A mask of dec|oct|hex. Useful for the 2-arg form of
Definition at line 123 of file ios.cc. Referenced by std::dec(), std::hex(), std::oct(), std::basic_ostream< CharT, Traits >::operator<<(), and std::basic_ostream< char >::operator<<(). |
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Request a seek relative to the beginning of the stream.
Definition at line 138 of file ios.cc. Referenced by std::basic_filebuf< CharT, Traits >::seekpos(). |
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http://gcc.gnu.org/onlinedocs/libstdc++/27_io/howto.html#7 for more.
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Insert/extract
Definition at line 107 of file ios.cc. Referenced by std::boolalpha(), and std::noboolalpha(). |
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Request a seek relative to the current position within the sequence.
Definition at line 139 of file ios.cc. Referenced by std::basic_filebuf< CharT, Traits >::pbackfail(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_filebuf< CharT, enc_char_traits< CharT > >::sync(), std::basic_istream< CharT, Traits >::tellg(), and std::basic_ostream< CharT, Traits >::tellp(). |
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Converts integer input or generates integer output in decimal base.
Definition at line 108 of file ios.cc. Referenced by std::dec(). |
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Request a seek relative to the current end of the sequence.
Definition at line 140 of file ios.cc. Referenced by std::basic_filebuf< CharT, Traits >::open(), and std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(). |
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Indicates that an input operation reached the end of an input sequence.
Definition at line 127 of file ios.cc. Referenced by std::basic_ios< char, Traits >::eof(), std::basic_istream< CharT, Traits >::get(), std::basic_istream< CharT, Traits >::getline(), std::basic_istream< CharT, Traits >::ignore(), std::operator>>(), std::basic_istream< CharT, Traits >::peek(), std::basic_istream< CharT, Traits >::read(), std::basic_istream< CharT, Traits >::readsome(), and std::ws(). |
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Generate floating-point output in fixed-point notation.
Definition at line 109 of file ios.cc. Referenced by std::fixed(). |
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A mask of scientific|fixed. Useful for the 2-arg form of
Definition at line 124 of file ios.cc. Referenced by std::fixed(), and std::scientific(). |
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Converts integer input or generates integer output in hexadecimal base.
Definition at line 110 of file ios.cc. Referenced by std::hex(), std::basic_ostream< CharT, Traits >::operator<<(), and std::basic_ostream< char >::operator<<(). |
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Open for input. Default for
Definition at line 134 of file ios.cc. Referenced by std::basic_filebuf< CharT, Traits >::pbackfail(), std::basic_istream< CharT, Traits >::seekg(), std::basic_stringbuf< CharT, Traits, Alloc >::seekoff(), std::basic_filebuf< CharT, Traits >::seekoff(), std::basic_stringbuf< CharT, Traits, Alloc >::seekpos(), std::basic_streambuf< CharT, enc_char_traits< CharT > >::setg(), std::basic_filebuf< CharT, Traits >::showmanyc(), and std::basic_istream< CharT, Traits >::tellg(). |
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designated.
Definition at line 111 of file ios.cc. Referenced by std::internal(). |
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generated output. (I.e., the thing you print is flush left.)
Definition at line 112 of file ios.cc. Referenced by std::left(). |
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Converts integer input or generates integer output in octal base.
Definition at line 113 of file ios.cc. Referenced by std::oct(), std::basic_ostream< CharT, Traits >::operator<<(), and std::basic_ostream< char >::operator<<(). |
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generated output. (I.e., the thing you print is flush right.)
Definition at line 114 of file ios.cc. Referenced by std::right(). |
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Generates floating-point output in scientific notation.
Definition at line 115 of file ios.cc. Referenced by std::scientific(). |
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output.
Definition at line 116 of file ios.cc. Referenced by std::noshowbase(), and std::showbase(). |
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floating-point output.
Definition at line 117 of file ios.cc. Referenced by std::noshowpoint(), and std::showpoint(). |
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Generates a + sign in non-negative generated numeric output.
Definition at line 118 of file ios.cc. Referenced by std::noshowpos(), and std::showpos(). |
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Skips leading white space before certain input operations.
Definition at line 119 of file ios.cc. Referenced by std::noskipws(), and std::skipws(). |
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Open for input. Default for
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Flushes output after each output operation.
Definition at line 120 of file ios.cc. Referenced by std::nounitbuf(), and std::unitbuf(). |
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in generated output.
Definition at line 121 of file ios.cc. Referenced by std::nouppercase(), and std::uppercase(). |