MsgStream.h File Reference

#include <GaudiKernel/IMessageSvc.h>
#include <GaudiKernel/SerializeSTL.h>
#include <iomanip>
#include <sstream>
#include <string>

Include dependency graph for MsgStream.h:

Go to the source code of this file.

Classes
class	MsgStream
	Definition of the MsgStream class used to transmit messages. More...

Namespaces
namespace	MSG
	Print levels enumeration.

Functions
MsgStream &	endmsg (MsgStream &s)
	MsgStream Modifier: endmsg. Calls the output method of the MsgStream.
GAUDI_API std::string	format (const char *,...)
	MsgStream format utility "a la sprintf(...)".
template<class _Tm>
MsgStream &	operator<< (MsgStream &s, const std::smanip< _Tm > &manip)
	I/O Manipulator for setfill.
MsgStream &	MSG::dec (MsgStream &log)
MsgStream &	MSG::hex (MsgStream &log)
MsgStream &	operator<< (MsgStream &s, const char *arg)
	Specialization to avoid the generation of implementations for char[].
template<typename T>
MsgStream &	operator<< (MsgStream &lhs, const T &arg)
	General templated stream operator.

Function Documentation

endmsg()

MsgStream & endmsg ( MsgStream & s )

inline

MsgStream Modifier: endmsg. Calls the output method of the MsgStream.

Definition at line 198 of file MsgStream.h.

{ return s.doOutput(); }

format()

GAUDI_API std::string format	(	const char *	fmt,
			... )

MsgStream format utility "a la sprintf(...)".

Definition at line 93 of file MsgStream.cpp.

                                         {
  const int   buffsize = 2048;
  static char buffer[buffsize];
  va_list     arguments;
  va_start( arguments, fmt );
  if ( vsnprintf( buffer, buffsize, fmt, arguments ) >= buffsize ) {
    va_end( arguments );
    throw GaudiException( "Insufficient buffer size (" + std::to_string( buffsize ) + ") when formatting message",
                          "MsgStream", StatusCode::FAILURE );
  }
  va_end( arguments );
  return std::string( buffer );
}

operator<<() [1/3]

template<typename T>

MsgStream & operator<<	(	MsgStream &	lhs,
		const T &	arg )

General templated stream operator.

Definition at line 276 of file MsgStream.h.

                                                      {
  using namespace GaudiUtils;
  if ( lhs.isActive() ) try {
      // this may throw, and we cannot afford it if the stream is used in a catch block
      lhs.stream() << arg;
    } catch ( ... ) {}
  return lhs;
}

operator<<() [2/3]

MsgStream & operator<< ( MsgStream & s, const char * arg )

inline

Specialization to avoid the generation of implementations for char[].

See also

{bug #87340}

Definition at line 266 of file MsgStream.h.

                                                              {
  try {
    // this may throw, and we cannot afford it if the stream is used in a catch block
    if ( s.isActive() ) s.stream() << arg;
  } catch ( ... ) {}
  return s;
}

operator<<() [3/3]

template<class _Tm>

MsgStream & operator<< ( MsgStream & s, const std::smanip< _Tm > & manip )

inline

I/O Manipulator for setfill.

Definition at line 244 of file MsgStream.h.

                                                                          {
  try {
    // this may throw, and we cannot afford it if the stream is used in a catch block
    if ( s.isActive() ) s.stream() << manip;
  } catch ( ... ) {}
  return s;
}