JPrintTree.cc

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#include <string>
#include <iostream>
#include <iomanip>
 
#include "TError.h"
#include "TROOT.h"
#include "TFile.h"
 
#include "evt/Head.hh"
#include "evt/Evt.hh"
 
#include "JDAQ/JDAQEvent.hh"
#include "JDAQ/JDAQTimeslice.hh"
#include "JDAQ/JDAQSummaryslice.hh"
 
#include "antares-dataformat/TimeSlice.hh"
#include "antares-dataformat/PhysicsEvent.hh"
 
#include "JROOT/JTreeParameters.hh"
#include "JROOT/JTreeReader.hh"
#include "JSupport/JSupport.hh"
 
#include "JLang/JSinglePointer.hh"
#include "JLang/JBool.hh"
#include "JLang/JType.hh"
#include "JLang/JTypeList.hh"
#include "JLang/JNullType.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
 
namespace {
 
  using namespace JPP;
 
  
  /**
   * Auxiliary class to build list of valid TreeReader pointers.
   */
  class JTreeList :
    public std::vector< JSinglePointer<JAbstractTreeReader> >
  {
  public:
    /**
     * Constructor.
     *
     * \param  typelist   type list
     */
    template<class T>
    JTreeList(JType<T> typelist) 
    {
      for_each(*this, typelist);
    }
 
 
    /**
     * Addition of class.
     *
     * \param  type       type
     */
    template<class T>
    void operator()(JType<T> type)
    {
      add(JType<T>(), JBool<JTreeParametersAvailable<T>::result>());
    }
 
  private:
    /**
     * Addition of TTree compatible class.
     */
    template<class T>
    void add(JType<T>, JBool<true>)
    {
      this->push_back(new JTreeReader<T>());
    }
  
  
    /**
     * No addition of TTree incompatible class.
     */
    template<class T>
    void add(JType<T>, JBool<false>)
    {}
  };
}
 
 
/**
 * \file
 *
 * Auxiliary program to print ROOT TTree information.
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
 
  vector<string> inputFile;
  int            debug;
 
  try { 
 
    JParser<> zap("Auxiliary program to print ROOT TTree information.");
    
    zap['f'] = make_field(inputFile);
    zap['d'] = make_field(debug)           = 1;
 
    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }
 
  cout.tie(&cerr);
 
  JType<JAppend<JAllTypes_t, JAntaresTypes_t>::typelist> typelist;
 
  JTreeList inspector(typelist);
 
  for (vector<string>::const_iterator file = inputFile.begin(); file != inputFile.end(); ++file) {
 
    cout << *file << endl;
 
    for (JTreeList::iterator i = inspector.begin(); i != inspector.end(); ++i) {
 
      gErrorIgnoreLevel = kFatal;
 
      if ((*i)->load(TFile::Open(file->c_str()))) {
        cout << setw(24) << left  <<  (**i)->GetName()                 << ' ' 
             << setw(32) << left  <<  (*i)->getDictionary()->GetName() << ' ' 
             << setw(10) << right <<  (**i)->GetEntries()              << ' '
             << setw( 6) << right << ((**i)->GetTotBytes() >> 20)      << " [MB]" << endl;
      }
    }
  }
}