BesEvtGen-00-04-08/src/EvtGen/EvtGenBase/EvtModel.cc

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//--------------------------------------------------------------------------
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations.  If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information: See EvtGen/COPYRIGHT
//      Copyright (C) 1998      Caltech, UCSB
//
// Module: EvtModel.cc
//
// Description:
//
// Modification history:
//
//    RYD     September 25, 1996         Module created
//
//------------------------------------------------------------------------
// 
#include "EvtGenBase/EvtPatches.hh"
#include <iostream>
#include <iomanip>
#include <fstream>
#include <ctype.h>
#include <stdlib.h>
#include <assert.h>
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtRandom.hh"
#include "EvtGenBase/EvtModel.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtDecayParm.hh"
#include "EvtGenBase/EvtDecayBase.hh"
#include "EvtGenBase/EvtParticleDecayList.hh"
#include "EvtGenBase/EvtParser.hh"
#include "EvtGenBase/EvtReport.hh"
#include <string>
using std::fstream;
 
EvtModel* EvtModel::_instance=0;
 
EvtModel::EvtModel() {
 
}
 
EvtDecayBase* EvtModel::getFcn(std::string model_name){
 
  EvtDecayBase *model=0;
  if ( _modelNameHash.find(model_name)!=_modelNameHash.end() ) {
    model=_modelNameHash[model_name];
  }
 
  if (model==0){
    report(ERROR,"EvtGen") << "Did not find the right model:"
               <<model_name.c_str()<<"\n";
    return 0;
  }
 
  return model->clone();
 
}
 
 
void EvtModel::Register(EvtDecayBase* prototype){
 
  std::string modelName;
  prototype->getName(modelName);
 
  _modelNameHash[modelName]=prototype;
 
  std::string commandName=prototype->commandName();
  
  if (commandName!=""){
 
    //report(DEBUG,"EvtGen") << "Adding command:"<<commandName<<endl;
 
    _commandNameHash[commandName]=prototype;
 
  }
 
}
 
int EvtModel::isModel(std::string model_name){
 
  if ( _modelNameHash.find(model_name)!=_modelNameHash.end() ) {
    return 1;
  }
  return 0;
}
 
 
int EvtModel::isCommand(std::string cmd){
 
  if ( _commandNameHash.find(cmd)!=_commandNameHash.end() ) {
    return 1;
  }
  return 0;
}
 
void EvtModel::storeCommand(std::string cmd,std::string cnfgstr){
 
  EvtDecayBase *model=0;
  if ( _commandNameHash.find(cmd)!=_commandNameHash.end() ) {
    model=_commandNameHash[cmd];
  }
 
  assert(model!=0);
 
  model->command(cnfgstr);
 
}