PDGCodeList.cxx

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//____________________________________________________________________________
/*
 Copyright (c) 2003-2020, The GENIE Collaboration
 For the full text of the license visit http://copyright.genie-mc.org

 Costas Andreopoulos <constantinos.andreopoulos \at cern.ch>
 University of Liverpool & STFC Rutherford Appleton Laboratory
*/
//____________________________________________________________________________

#include <algorithm>
#include <iomanip>
#include <string>

#include "Framework/Messenger/Messenger.h"
#include "Framework/ParticleData/PDGCodeList.h"
#include "Framework/ParticleData/PDGLibrary.h"

using std::setw;
using std::setfill;
using std::endl;
using std::string;

using namespace genie;

//____________________________________________________________________________
namespace genie {
 ostream & operator << (ostream & stream, const PDGCodeList & list)
 {
   list.Print(stream);
   return stream;
 }
}
//___________________________________________________________________________
PDGCodeList::PDGCodeList(bool allowdup) :
vector<int>()
{
  fAllowDuplicateEntries = allowdup;
}
//___________________________________________________________________________
PDGCodeList::PDGCodeList(size_type n, bool allowdup) :
vector<int>(n)
{
  fAllowDuplicateEntries = allowdup;
}
//___________________________________________________________________________
PDGCodeList::PDGCodeList(const PDGCodeList & list) :
vector<int>()
{
  this->Copy(list);
}
//___________________________________________________________________________
PDGCodeList::~PDGCodeList()
{

}
//___________________________________________________________________________
void PDGCodeList::push_back(int pdg_code)
{
  if(this->CheckPDGCode(pdg_code)) vector<int>::push_back(pdg_code);
}
//___________________________________________________________________________
void PDGCodeList::insert(iterator pos, size_type n, const int& pdg_code)
{
  if(this->CheckPDGCode(pdg_code)) {
     if(n>1) n = 1;
     vector<int>::insert(pos,n,pdg_code);
  }
}
//___________________________________________________________________________
bool PDGCodeList::CheckPDGCode(int pdg_code) const
{
// check whether the PDG code can be inserted

  bool exists = this->ExistsInPDGLibrary(pdg_code);
  if(!exists) {
    LOG("PDG", pERROR)
           << "Can't add non-existent particle [pdgc = " << pdg_code << "]";
    return false;
  }

  if(!fAllowDuplicateEntries) {
    bool added = this->ExistsInPDGCodeList(pdg_code);
    if(added) {
      LOG("PDG", pDEBUG)
                << "Particle [pdgc = " << pdg_code << "] was already added";
      return false;
    }
  }
  return true;
}
//___________________________________________________________________________
bool PDGCodeList::ExistsInPDGLibrary(int pdg_code) const
{
// check whether the PDG code is a valid one (exists in PDGLibrary)

  PDGLibrary * pdglib = PDGLibrary::Instance();
  TParticlePDG * particle = pdglib->Find(pdg_code);
  if(!particle) return false;
  return true;
}
//___________________________________________________________________________
bool PDGCodeList::ExistsInPDGCodeList(int pdg_code) const
{
// check whether the PDG code already exists in the list

  PDGCodeList::const_iterator bci = this->begin();
  PDGCodeList::const_iterator eci = this->end();

  if(find(bci,eci,pdg_code) != eci) return true;

  return false;
/*
  int n = count(this->begin(), this->end(), pdg_code);
  if(n!=0) return true;
  return false;
*/
}
//___________________________________________________________________________
void PDGCodeList::Print(ostream & stream) const
{
  stream << "\n[-]" << endl;

  PDGLibrary * pdglib = PDGLibrary::Instance();

  PDGCodeList::const_iterator iter;
  size_t nc = this->size();

  for(iter = this->begin(); iter != this->end(); ++iter) {
    int pdg_code = *iter;
    TParticlePDG * p = pdglib->Find(pdg_code);

    if(!p) {
      stream << " |---o ** ERR: no particle with PDG code: " << pdg_code;
    } else {
      string name = p->GetName();
      stream << " |---o "
             << setfill(' ') << setw(15) << name
             << " (PDG code = " << pdg_code << ")";
    }
    if( (--nc) > 0) stream << endl;
  }
}
//___________________________________________________________________________
void PDGCodeList::Copy(const PDGCodeList & list)
{
  this->clear();

  PDGCodeList::const_iterator iter;
  for(iter = list.begin(); iter != list.end(); ++iter) {
    int code = *iter;
    this->push_back(code);
  }

  fAllowDuplicateEntries = list.fAllowDuplicateEntries;
}
//___________________________________________________________________________
PDGCodeList & PDGCodeList::operator = (const PDGCodeList & list)
{
  this->Copy(list);
  return (*this);
}
//___________________________________________________________________________