dx::redirect::indent::streambuf Class Reference

a stream's distributor: over the stream's own buffer while a sink is joined, the stream's own restored once the last one left - every write to each sink, a line's start prefixed by the writing thread's indent, a line sink given each line whole. Every distributor joins the stream's own buffer: the stream stays where it was, indented - a sink wanting the stream for itself leaves it (leave(*origin)). std::cout, std::clog and std::cerr get theirs at their first indent level or sink. A buffer joined twice is written once. Joining and leaving take the lock the writes take (io_mutex). More...

#include <dx_redirect.h>

Inheritance diagram for dx::redirect::indent::streambuf:

Collaboration diagram for dx::redirect::indent::streambuf:

Public Member Functions
void	join (std::streambuf &buffer, bool line=false)
void	leave (std::streambuf &buffer)
virtual streambuf &	operator<< (size_t size)
virtual streambuf &	operator>> (const std::string &indent)
	streambuf (std::ostream &ostream, const std::string &dflt=indent::dflt::pattern)
	~streambuf () override

Static Public Member Functions
static streambuf &	of (std::ostream &ostream)
	the stream's distributor: the one there is, or one kept for the process
static bool	standard (const std::ostream &ostream)
	std::cout, std::clog or std::cerr: the streams living for the process, which an indent level gives a distributor

Public Attributes
std::string	dflt
std::streambuf *const	origin
	the stream's own buffer: stdout's, stderr's - std::clog's is stderr's too, there is no stdlog

Protected Member Functions
int_type	overflow (int_type ch=traits_type::eof()) override
int	sync () override
std::streamsize	xsputn (const char *data, std::streamsize count) override

Friends
class	join

Detailed Description

a stream's distributor: over the stream's own buffer while a sink is joined, the stream's own restored once the last one left - every write to each sink, a line's start prefixed by the writing thread's indent, a line sink given each line whole. Every distributor joins the stream's own buffer: the stream stays where it was, indented - a sink wanting the stream for itself leaves it (leave(*origin)). std::cout, std::clog and std::cerr get theirs at their first indent level or sink. A buffer joined twice is written once. Joining and leaving take the lock the writes take (io_mutex).

Constructor & Destructor Documentation

streambuf()

dx::redirect::indent::streambuf::streambuf ( std::ostream & ostream, const std::string & dflt = indent::dflt::pattern )

inline

Here is the caller graph for this function:

~streambuf()

dx::redirect::indent::streambuf::~streambuf ( )

inlineoverride

Member Function Documentation

join()

void dx::redirect::indent::streambuf::join ( std::streambuf & buffer, bool line = false )

inline

Here is the call graph for this function:

leave()

void dx::redirect::indent::streambuf::leave ( std::streambuf & buffer )

inline

of()

streambuf & dx::redirect::indent::streambuf::of ( std::ostream & ostream )

inlinestatic

the stream's distributor: the one there is, or one kept for the process

Here is the call graph for this function:

Here is the caller graph for this function:

operator<<()

virtual streambuf & dx::redirect::indent::streambuf::operator<< ( size_t size )

inlinevirtual

Here is the call graph for this function:

operator>>()

virtual streambuf & dx::redirect::indent::streambuf::operator>> ( const std::string & indent )

inlinevirtual

Here is the call graph for this function:

overflow()

int_type dx::redirect::indent::streambuf::overflow ( int_type ch = traits_type::eof() )

inlineoverrideprotected

Here is the call graph for this function:

standard()

bool dx::redirect::indent::streambuf::standard ( const std::ostream & ostream )

inlinestatic

std::cout, std::clog or std::cerr: the streams living for the process, which an indent level gives a distributor

Here is the caller graph for this function:

sync()

int dx::redirect::indent::streambuf::sync ( )

inlineoverrideprotected

xsputn()

std::streamsize dx::redirect::indent::streambuf::xsputn ( const char * data, std::streamsize count )

inlineoverrideprotected

Here is the caller graph for this function:

Friends And Related Symbol Documentation

join

friend class join

friend

Member Data Documentation

dflt

std::string dx::redirect::indent::streambuf::dflt

origin

std::streambuf* const dx::redirect::indent::streambuf::origin

the stream's own buffer: stdout's, stderr's - std::clog's is stderr's too, there is no stdlog

---

The documentation for this class was generated from the following file:

• dx_redirect.h