/home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Reconstruction/MdcPatRec/TrkBase/TrkBase-00-01-12/src/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 <iostream>
#include <algorithm>
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;
}

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