dune-common 2.9.0
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Generic class to implement debug output streams. More...
#include <dune/common/debugstream.hh>
Public Member Functions | |
DebugStream (std::ostream &out=std::cerr) | |
Create a DebugStream and set initial output stream. | |
DebugStream (DebugStreamState &master, std::ostream &fallback=std::cerr) | |
Create a DebugStream and directly tie to another DebugStream. | |
~DebugStream () | |
Destroy stream. | |
template<class T > | |
DebugStream & | operator<< (const T data) |
Generic types are passed on to current output stream. | |
DebugStream & | operator<< (const int data) |
explicit specialization so that enums can be printed | |
DebugStream & | operator<< (std::ostream &(*f)(std::ostream &)) |
pass on manipulators to underlying output stream | |
DebugStream & | flush () |
pass on flush to underlying output stream | |
void | push (bool b) |
set activation flag and store old value | |
void | pop () |
restore previously set activation flag | |
bool | active () const |
reports if this stream will produce output | |
void | attach (std::ostream &stream) |
set output to a different stream. | |
void | detach () |
detach current output stream and restore to previous stream | |
void | tie (DebugStreamState &to) |
Tie a stream to this one. | |
void | untie () |
Untie stream. | |
Public Attributes | |
StreamWrap * | current |
current output stream and link to possibly pushed old output streams | |
bool | _active |
flag to switch output during runtime | |
bool | _tied |
are we tied to another DebugStream? | |
unsigned int | _tied_streams |
how many streams are tied to this state | |
Generic class to implement debug output streams.
The main function of a DebugStream is to provide output in a standard ostream fashion that is fully deactivated if the level of the stream does not meet the current requirements. More information in Debug output
thislevel | this level |
dlevel | level needed for any output to happen |
alevel | level needed to switch activation flag on |
activator | template describing the activation policy |