/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/L1Trigger/TextToDigi/plugins/GctDigiToPsbText.cc

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#include "GctDigiToPsbText.h"

#include <iomanip>
using std::setw;
using std::setfill;

GctDigiToPsbText::GctDigiToPsbText(const edm::ParameterSet& iConfig) : 
  m_gctInputLabel(iConfig.getParameter<edm::InputTag>("GctInputLabel")),
  m_textFileName(iConfig.getParameter<std::string>("TextFileName")), 
  m_hexUpperCase(iConfig.getUntrackedParameter<bool>("HexUpperCase",false)) {
  for (unsigned i=0; i<4; i++){
    std::stringstream fileStream;
    int ii = (i<2)?i:i+4;
    fileStream << m_textFileName << ii << ".txt";
    std::string fileName(fileStream.str());
    m_file[i].open(fileName.c_str(),std::ios::out);
    if(!m_file[i].good()) {
      throw cms::Exception("GctDigiToPsbTextTextFileOpenError")
        << "GctDigiToPsbText::GctDigiToPsbText : "
        << " couldn't create the file " << fileName 
        << std::endl;
    }
  }
}

GctDigiToPsbText::~GctDigiToPsbText() {
  for (unsigned i=0; i<4; i++) 
    m_file[i].close();
}


void
GctDigiToPsbText::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
  
  //static int nevt = -1; nevt++;

  // get digis
  edm::Handle<L1GctEmCandCollection> gctIsolaEm;
  edm::Handle<L1GctEmCandCollection> gctNoIsoEm;
  iEvent.getByLabel(m_gctInputLabel.label(), "isoEm",    gctIsolaEm);
  iEvent.getByLabel(m_gctInputLabel.label(), "nonIsoEm", gctNoIsoEm);

  uint16_t data[4][2]= {{0}};
  for (int i=0; i<4; i++)
    for (int j=0; j<2; j++)
      data[i][j]=0;
  
  std::stringstream sstrm;
  if(m_hexUpperCase)
    sstrm << std::uppercase;
  else  
    sstrm.unsetf(std::ios::uppercase);

  // specify cycle bit sequence 1 0 1 0 ... or 0 1 0 1 ...
  unsigned short cbs[2] = {1,0};

  unsigned int ifile;
  unsigned int cycle;
  unsigned iIsola, iNoIso;

  for(int i=0; i<4; i++) {
    cycle = i/2;
    ifile = i%2;
    iIsola = ifile+2;
    iNoIso = ifile;
    
    //get the data
    data[iIsola][cycle] = gctIsolaEm->at(i).raw();
    data[iNoIso][cycle] = gctNoIsoEm->at(i).raw();
    
    //print electrons
    sstrm.str("");
    sstrm << setw(4) << setfill('0') << std::hex 
          << (data[iIsola][cycle] & 0x7fff) + ((cbs[cycle]&0x1)<<15);
    m_file[iIsola] << sstrm.str() << std::endl;
    sstrm.str("");
    sstrm << setw(4) << setfill('0') << std::hex 
          << (data[iNoIso][cycle] & 0x7fff) + ((cbs[cycle]&0x1)<<15);
    m_file[iNoIso] << sstrm.str() << std::endl;
  }
  
  for (unsigned i=0; i<4; i++)
    m_file[i] << std::flush;
  
}