TrkErrCode.cxx

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//--------------------------------------------------------------------------
// File and Version Information:
//      $Id: TrkErrCode.cxx,v 1.1.1.1 2005/04/21 06:01:42 zhangy Exp $
//
// Description:
//
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author(s): Steve Schaffner
//
// Revision History:
//  20000420  M. Kelsey -- Remove terminating endl in print().
//------------------------------------------------------------------------
#include "TrkBase/TrkErrCode.h"
#include <algorithm>
#include <iostream>
using std::ostream;
 
std::string TrkErrCode::_nullStr( "" );
 
TrkErrCode::TrkErrCode( TrkSuccess succ, int code, const char* str ) : _string( 0 ) {
  setMessage( str );
  if ( succ )
  {
    _failure = 0;
    _success = code;
  }
  else
  {
    _success = 0;
    _failure = code;
  }
}
 
TrkErrCode::TrkErrCode( const TrkErrCode& theCode )
    : _failure( theCode._failure ), _success( theCode._success ) {
  if ( theCode._string != 0 ) { _string = new std::string( *theCode._string ); }
  else { _string = 0; }
}
 
TrkErrCode::~TrkErrCode() {
  if ( _string != 0 )
  {
    delete _string;
    _string = 0;
  }
}
 
TrkErrCode& TrkErrCode::operator=( const TrkErrCode& theCode ) {
  _failure = theCode._failure;
  _success = theCode._success;
 
  if ( theCode._string != 0 )
  {
    if ( _string != 0 ) { *_string = *theCode._string; }
    else { _string = new std::string( *theCode._string ); }
  }
  else
  {
    if ( _string != 0 ) delete _string;
    _string = 0;
  }
 
  return *this;
}
 
void TrkErrCode::print( ostream& ostr ) const {
  const char* pstatus = 0;
  int         code;
  if ( success() )
  {
    pstatus = "succeeded";
    code    = success();
  }
  else
  {
    pstatus = "failed";
    code    = failure();
  }
  std::string              pstring;
  static const std::string failed[4] = { "Arithmetic error.", "Failed to converge.",
                                         "Failed because parallel.", "Undefined error." };
 
  static const std::string succeeded[4] = { "Normal completion.", "Didn't converge.",
                                            "Parallel.", "Undefined success state." };
 
  if ( code > 0 && code < 10 )
  {
    if ( failure() ) { pstring = failed[std::min( code - 1, 3 )]; }
    else if ( success() ) { pstring = succeeded[std::min( code - 1, 3 )]; }
  }
  else if ( _string == 0 ) { pstring = "Unknown error."; }
  else { pstring = *_string; }
 
  ostr << "TrkErrCode: " << pstatus << ", code " << code << ".  Status: " << pstring.c_str();
}
 
ostream& operator<<( ostream& os, const TrkErrCode& trkerr ) {
  trkerr.print( os );
  return os;
}