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MsgStream.h File Reference
#include "GaudiKernel/IMessageSvc.h"
#include "GaudiKernel/SerializeSTL.h"
#include <cstdio>
#include <string>
#include <iomanip>
#include <vector>
#include <sstream>
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 244 of file MsgStream.h.

244  {
245  return s.doOutput();
246 }
virtual GAUDI_API MsgStream & doOutput()
Output method.
Definition: MsgStream.cpp:64
GAUDI_API std::string format ( const char *  ,
  ... 
)

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

Definition at line 119 of file MsgStream.cpp.

120 {
121  const int buffsize = 2048;
122  static char buffer[buffsize];
123  va_list arguments;
124  va_start( arguments, fmt );
125  if( vsnprintf(buffer, buffsize, fmt, arguments) >= buffsize )
126  throw GaudiException("Insufficient buffer size (" + std::to_string(buffsize) + ") when formatting message",
127  "MsgStream", 0);
128  va_end( arguments );
129  return std::string(buffer);
130 }
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 316 of file MsgStream.h.

316  {
317  try {
318  // this may throw, and we cannot afford it if the stream is used in a catch block
319  if ( s.isActive() ) s.stream() << manip;
320  } catch (...) {}
321  return s;
322 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:128
string s
Definition: gaudirun.py:245
MsgStream& operator<< ( MsgStream s,
const char *  arg 
)
inline

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

See also
{bug #87340}

Definition at line 340 of file MsgStream.h.

340  {
341  try {
342  // this may throw, and we cannot afford it if the stream is used in a catch block
343  if ( s.isActive() ) s.stream() << arg;
344  } catch (...) {}
345  return s;
346 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:128
string s
Definition: gaudirun.py:245
template<typename T >
MsgStream& operator<< ( MsgStream lhs,
const T &  arg 
)

General templated stream operator.

Definition at line 350 of file MsgStream.h.

350  {
351  using namespace GaudiUtils;
352  if(lhs.isActive())
353  try {
354  // this may throw, and we cannot afford it if the stream is used in a catch block
355  lhs.stream() << arg;
356  }
357  catch (...) {}
358  return lhs;
359 }
std::ostringstream & stream()
Access string MsgStream.
Definition: MsgStream.h:98
bool isActive() const
Accessor: is MsgStream active.
Definition: MsgStream.h:128
Forward declarations for the functions in SerializeSTL.h.
Definition: GaudiHistoID.h:149