//  
// ABC Exception class for BRAT
//

// $Author: hagel $
// $Date: 2001/06/21 14:55:19 $
// $Copyright: Brahms collaboration
// $Id: BrException.cxx,v 1.1.1.1 2001/06/21 14:55:19 hagel Exp $
// 
#include <stdarg.h>
#include <cstdarg>
#include <cstring>
#include <cstdlib>
#include <BrIostream.h>
#include <Rtypes.h>
#include <TObject.h>
#include <TError.h>
#include <TString.h>
#include <BrException.h>

#define MakeErrorString(X) \
  va_list ap; \
  va_start(ap,X); \
  char buf[1024]; \
  vsprintf(buf, fmt, ap); \
  fErrorString = Form("%s: %s", fLocation, buf); \
  va_end(ap);

//_________________________________________________________________
ClassImp(BrException);    // Exception class for BRAHMS 

//_________________________________________________________________
ClassImp(BrWarning);      // Exception class for BRAHMS 

//_________________________________________________________________
ClassImp(BrError);        // Exception class for BRAHMS 

//_________________________________________________________________
ClassImp(BrFatal);        // Exception class for BRAHMS 

//_________________________________________________________________
BrException::BrException(Int_t exit,
			     const Char_t* location) 
{
  fLocation = const_cast<Char_t*>(location);
  fExitCode = exit;
}

//_________________________________________________________________
BrWarning::BrWarning(const Char_t* location, const Char_t* fmt ...) 
  : BrException(kWarning,location) 
{  
  // Make a warning exception 
  MakeErrorString(fmt); 
}

//_________________________________________________________________
BrError::BrError(const Char_t* location, const Char_t* fmt ...)
  : BrException(kError,location) 
{  
  // Make a error exception 
  MakeErrorString(fmt); 
}

//_________________________________________________________________
 BrFatal::BrFatal(const Char_t* location, const Char_t* fmt ...)
  : BrException(kFatal,location) 
{  
  // Make a fatal exception 
  MakeErrorString(fmt); 
}

// 
// Taken out, and replaced by expanded MakeErrorString, since it
// doesn't seem to work proberly on Digital Unix.
// 
//  void
//  BrException::SetErrorString(const Char_t* fmt, va_list ap) 
//  {
//    char buf[1024];
//    vsprintf(buf, fmt, ap);
//    fErrorString = Form("%s: %s", fLocation, buf);  
//  }

//_________________________________________________________________
Char_t* BrException::GetErrorString(void) const 
{
  return fErrorString;

}

//_________________________________________________________________
ostream& operator<<(ostream& o, BrException& e) 
{
  o << e.GetErrorString() << flush;
  return o;
}

//_________________________________________________________________
ostream& operator<<(ostream& o, BrException* e) 
{
  o << e->GetErrorString() << flush;
  return o;
}


  
// $Log: BrException.cxx,v $
// Revision 1.1.1.1  2001/06/21 14:55:19  hagel
// Initial revision of brat2
//
// Revision 1.5  2001/01/23 16:32:28  cholm
// Hack to make rootcint (CINT) ignore variadic arguments in BrException
// classes.
// fixed module stremaers.
//
// Revision 1.4  2000/09/04 13:38:33  videbaek
// Use BrIostream.h to facilitate different iostream conventions.
//
// Revision 1.3  2000/03/24 21:09:45  videbaek
// Moved linear equation routines from TpcClusterFinder class.
//
// Revision 1.2  2000/03/21 21:21:42  cholm
// Several changes: A few hacks where needed to compile on Digital
// Unix, noticably in my - Christian Holm - classes for the DB and
// Exceptions. Proberly still need to do something to some of
// Konstantins stuff. Also, I removed a lot of warnings fromt the
// compiler, by teddying up the code. Several places, old C-style
// indecies in for loops were assumed. Corrected. Unused variables
// have been commented out. 
//
//

Copyright ; 2002 BRAHMS Collaboration <brahmlib@rcf.rhic.bnl.gov>
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