The Gaudi Framework  v29r0 (ff2e7097)
MsgStream.h File Reference
#include "GaudiKernel/IMessageSvc.h"
#include "GaudiKernel/SerializeSTL.h"
#include <cstdio>
#include <iomanip>
#include <sstream>
#include <string>
#include <vector>
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

 MSG
 Print levels enumeration.
 

Functions

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

Function Documentation

MsgStream& endmsg ( MsgStream s)
inline

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

Definition at line 209 of file MsgStream.h.

209 { return s.doOutput(); }
virtual GAUDI_API MsgStream & doOutput()
Output method.
Definition: MsgStream.cpp:60
GAUDI_API std::string format ( const char *  ,
  ... 
)

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

Definition at line 120 of file MsgStream.cpp.

121 {
122  const int buffsize = 2048;
123  static char buffer[buffsize];
124  va_list arguments;
125  va_start( arguments, fmt );
126  if ( vsnprintf( buffer, buffsize, fmt, arguments ) >= buffsize )
127  throw GaudiException( "Insufficient buffer size (" + std::to_string( buffsize ) + ") when formatting message",
128  "MsgStream", 0 );
129  va_end( arguments );
130  return std::string( buffer );
131 }
Define general base for Gaudi exception.
T to_string(T...args)
STL class.
T vsnprintf(T...args)
template<class _Tm >
MsgStream& operator<< ( MsgStream s,
const std::smanip< _Tm > &  manip 
)
inline

I/O Manipulator for setfill.

Definition at line 286 of file MsgStream.h.

287 {
288  try {
289  // this may throw, and we cannot afford it if the stream is used in a catch block
290  if ( s.isActive() ) s.stream() << manip;
291  } catch ( ... ) {
292  }
293  return s;
294 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:116
string s
Definition: gaudirun.py:253
MsgStream& operator<< ( MsgStream s,
const char *  arg 
)
inline

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

See also
{bug #87340}

Definition at line 313 of file MsgStream.h.

314 {
315  try {
316  // this may throw, and we cannot afford it if the stream is used in a catch block
317  if ( s.isActive() ) s.stream() << arg;
318  } catch ( ... ) {
319  }
320  return s;
321 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:116
string s
Definition: gaudirun.py:253
template<typename T >
MsgStream& operator<< ( MsgStream lhs,
const T &  arg 
)

General templated stream operator.

Definition at line 325 of file MsgStream.h.

326 {
327  using namespace GaudiUtils;
328  if ( lhs.isActive() ) try {
329  // this may throw, and we cannot afford it if the stream is used in a catch block
330  lhs.stream() << arg;
331  } catch ( ... ) {
332  }
333  return lhs;
334 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:116
Forward declarations for the functions in SerializeSTL.h.
Definition: GaudiHistoID.h:140