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// -*- C++ -*-
//
// This file is part of HepMC
// Copyright (C) 2014-2019 The HepMC collaboration (see AUTHORS for details)
//
/// @example convert_example.cc
/// @brief Utility to convert between different types of event records
///
#include "HepMC3/Print.h"
#include "HepMC3/GenEvent.h"
#include "HepMC3/ReaderAsciiHepMC2.h"
#include "HepMC3/WriterAsciiHepMC2.h"
#include "HepMC3/ReaderAscii.h"
#include "HepMC3/WriterAscii.h"
#include "HepMC3/WriterHEPEVT.h"
#include "HepMC3/ReaderHEPEVT.h"
#include "HepMC3/ReaderLHEF.h"
#ifdef HEPMC3_ROOTIO
#include "HepMC3/ReaderRoot.h"
#include "HepMC3/WriterRoot.h"
#include "HepMC3/ReaderRootTree.h"
#include "HepMC3/WriterRootTree.h"
#endif
/* Extension example*/
#ifdef HEPMCCONVERT_EXTENSION_ROOTTREEOPAL
#ifndef HEPMC3_ROOTIO
#warning "HEPMCCONVERT_EXTENSION_ROOTTREEOPAL requires compilation with of HepMC with ROOT, i.e. HEPMC3_ROOTIO.This extension will be disabled."
#undef HEPMCCONVERT_EXTENSION_ROOTTREEOPAL
#else
#include "WriterRootTreeOPAL.h"
#endif
#endif
#ifdef HEPMCCONVERT_EXTENSION_HEPEVTZEUS
#include "WriterHEPEVTZEUS.h"
#endif
#ifdef HEPMCCONVERT_EXTENSION_DOT
#include "WriterDOT.h"
#endif
#ifdef HEPMCCONVERT_EXTENSION_GZ
#include "ReaderGZ.h"
#endif
#include "cmdline.h"
using namespace HepMC3;
enum formats {hepmc2, hepmc3, hpe ,root, treeroot ,treerootopal, hpezeus, lhef, dump, dot, gz, none};
int main(int argc, char** argv)
{
gengetopt_args_info ai;
if (cmdline_parser (argc, argv, &ai) != 0) {
exit(1);
}
if (ai.inputs_num!=2)
{
printf("Exactly two arguments are requred: the name of input and output files\n");
exit(1);
}
std::map<std::string,formats> format_map;
format_map.insert(std::pair<std::string,formats> ( "hepmc2", hepmc2 ));
format_map.insert(std::pair<std::string,formats> ( "hepmc3", hepmc3 ));
format_map.insert(std::pair<std::string,formats> ( "hpe", hpe ));
format_map.insert(std::pair<std::string,formats> ( "root", root ));
format_map.insert(std::pair<std::string,formats> ( "treeroot", treeroot ));
format_map.insert(std::pair<std::string,formats> ( "treerootopal", treerootopal ));
format_map.insert(std::pair<std::string,formats> ( "hpezeus", hpezeus ));
format_map.insert(std::pair<std::string,formats> ( "lhef", lhef ));
format_map.insert(std::pair<std::string,formats> ( "dump", dump ));
format_map.insert(std::pair<std::string,formats> ( "dot", dot ));
format_map.insert(std::pair<std::string,formats> ( "gz", gz ));
format_map.insert(std::pair<std::string,formats> ( "none", none ));
std::map<std::string, std::string> options;
for (size_t i=0; i<ai.extensions_given; i++)
{
std::string optarg=std::string(ai.extensions_arg[i]);
size_t pos=optarg.find_first_of('=');
if (pos<optarg.length())
options[std::string(optarg,0,pos)]=std::string(optarg,pos+1,optarg.length());
}
long int events_parsed = 0;
long int events_limit = ai.events_limit_arg;
long int first_event_number = ai.first_event_number_arg;
long int last_event_number = ai.last_event_number_arg;
long int print_each_events_parsed = ai.print_every_events_parsed_arg;
Reader* input_file=0;
bool ignore_writer=false;
switch (format_map.at(std::string(ai.input_format_arg)))
{
case hepmc2:
input_file=new ReaderAsciiHepMC2(ai.inputs[0]);
break;
case hepmc3:
input_file=new ReaderAscii(ai.inputs[0]);
break;
case hpe:
input_file=new ReaderHEPEVT(ai.inputs[0]);
break;
case lhef:
input_file=new ReaderLHEF(ai.inputs[0]);
break;
case gz:
#ifdef HEPMCCONVERT_EXTENSION_GZ
input_file=new ReaderGZ(ai.inputs[0]);
break;
#else
printf("Input format %s is not supported\n",ai.input_format_arg);
exit(2);
#endif
case treeroot:
#ifdef HEPMC3_ROOTIO
input_file=new ReaderRootTree(ai.inputs[0]);
break;
#else
printf("Input format %s is not supported\n",ai.input_format_arg);
exit(2);
#endif
case root:
#ifdef HEPMC3_ROOTIO
input_file=new ReaderRoot(ai.inputs[0]);
break;
#else
printf("Input format %s is not supported\n",ai.input_format_arg);
exit(2);
#endif
default:
printf("Input format %s is not known\n",ai.input_format_arg);
exit(2);
break;
}
Writer* output_file=0;
switch (format_map.at(std::string(ai.output_format_arg)))
{
case hepmc2:
output_file=new WriterAsciiHepMC2(ai.inputs[1]);
break;
case hepmc3:
output_file=new WriterAscii(ai.inputs[1]);
break;
case hpe:
output_file=new WriterHEPEVT(ai.inputs[1]);
break;
case root:
#ifdef HEPMC3_ROOTIO
output_file=new WriterRoot(ai.inputs[1]);
break;
#else
printf("Output format %s is not supported\n",ai.output_format_arg);
exit(2);
#endif
case treeroot:
#ifdef HEPMC3_ROOTIO
output_file=new WriterRootTree(ai.inputs[1]);
break;
#else
printf("Output format %s is not supported\n",ai.output_format_arg);
exit(2);
#endif
/* Extension example*/
case treerootopal:
#ifdef HEPMCCONVERT_EXTENSION_ROOTTREEOPAL
output_file=new WriterRootTreeOPAL(ai.inputs[1]);
((WriterRootTreeOPAL*)(output_file))->init_branches();
if (options.find("Run")!=options.end()) ((WriterRootTreeOPAL*)(output_file))->set_run_number(std::atoi(options.at("Run").c_str()));
break;
#else
printf("Output format %s is not supported\n",ai.output_format_arg);
exit(2);
break;
#endif
case hpezeus:
#ifdef HEPMCCONVERT_EXTENSION_HEPEVTZEUS
output_file=new WriterHEPEVTZEUS(ai.inputs[1]);
break;
#else
printf("Output format %s is not supported\n",ai.output_format_arg);
exit(2);
#endif
case dot:
#ifdef HEPMCCONVERT_EXTENSION_DOT
output_file=new WriterDOT(ai.inputs[1]);
if (options.find("Style")!=options.end()) ((WriterDOT*)(output_file))->set_style(std::atoi(options.at("Style").c_str()));
break;
#else
printf("Output format %s is not supported\n",ai.output_format_arg);
exit(2);
break;
#endif
case dump:
output_file=NULL;
break;
case none:
output_file=NULL;
ignore_writer=true;
break;
default:
printf("Output format %s is not known\n",ai.output_format_arg);
exit(2);
break;
}
while( !input_file->failed() )
{
GenEvent evt(Units::GEV,Units::MM);
input_file->read_event(evt);
if( input_file->failed() ) {
printf("End of file reached. Exit.\n");
break;
}
if (evt.event_number()<first_event_number) continue;
if (evt.event_number()>last_event_number) continue;
evt.set_run_info(input_file->run_info());
//Note the difference between ROOT and Ascii readers. The former read GenRunInfo before first event and the later at the same time as first event.
if (!ignore_writer)
if (output_file)
{
output_file->write_event(evt);
}
else
{
Print::content(evt);
}
evt.clear();
++events_parsed;
if( events_parsed%print_each_events_parsed == 0 ) printf("Events parsed: %li\n",events_parsed);
if( events_parsed >= events_limit ) {
printf("Event limit reached:->events_parsed(%li) >= events_limit(%li)<-. Exit.\n",events_parsed , events_limit);
break;
}
}
if (input_file) input_file->close();
if (output_file) output_file->close();
return EXIT_SUCCESS;
}
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