JConvert.cc

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#include <string>
#include <iostream>
#include <iomanip>
#include <type_traits>
 
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/offline/MultiHead.hh"
#include "km3net-dataformat/offline/Evt.hh"
#include "km3net-dataformat/online/JDAQHeader.hh"
#include "km3net-dataformat/online/JDAQUTCExtended.hh"
 
#include "JDAQ/JDAQTimesliceIO.hh"
#include "JDAQ/JDAQEventIO.hh"
#include "JDAQ/JDAQSummarysliceIO.hh"
 
#include "JTrigger/JTriggerParameters.hh"
 
#include "JSupport/JMultipleFileScanner.hh"
#include "JSupport/JFileRecorder.hh"
#include "JSupport/JMonteCarloFileSupportkit.hh"
#include "JSupport/JTriggerParametersSupportkit.hh"
#include "JSupport/JMeta.hh"
#include "JSupport/JSupport.hh"
#include "JLang/JPipe.hh"
#include "JLang/JObjectSelector.hh"
#include "JROOT/JROOTClassSelector.hh"
#include "JTools/JRange.hh"
 
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"
 
namespace {
 
  using namespace KM3NETDAQ;
  using namespace JLANG;
  
  /**
   * Type definition for DAQ UTC time range.
   */
  typedef JTOOLS::JRange<JDAQUTCExtended>   JDAQUTCTimeRange;
  
  /**
   * Default implementation for selection of objects based on UTC time range.
   */
  template<class T, bool is_daq = std::is_convertible<T, JDAQHeader>::value>
  struct JSelector :
    public virtual JObjectSelector<T>,
    public virtual JDAQUTCTimeRange
  {
    virtual bool accept(const T& object) const override
    {
      return true;
    }
  };
 
  /**
   * Custom implementation for selection of objects based on UTC time range.
   */
  template<>
  struct JSelector<Evt, false> :
    public virtual JObjectSelector<Evt>,
    public virtual JDAQUTCTimeRange
  {
    virtual bool accept(const Evt& object) const override
    {
      return (*this)(JDAQUTCExtended(object.t.GetSec(), object.t.GetNanoSec() / 16));
    }
  };
 
  /**
   * Common implementation for selection of objects based on UTC time range.
   */
  template<class T>
  struct JSelector<T, true> :
    public virtual JObjectSelector<T>, 
    public virtual JDAQUTCTimeRange
  {
    virtual bool accept(const T& object) const override
    {
      return (*this)(object.getTimesliceStart());
    }
  };
 
  /**
   * Implementation for multiple selection of objects based on UTC time range.
   */
  template<class JHead_t, class JTail_t>
  struct JSelector< JTypeList<JHead_t, JTail_t>, false > :
    public virtual JObjectSelector< JTypeList<JHead_t, JTail_t> >,
    public JSelector<JHead_t>,
    public JSelector<JTail_t>
  {};
 
  /**
   * Terminator class of recursive JSelector class.
   */
  template<class JHead_t>
  struct JSelector< JTypeList<JHead_t, JNullType>, false > :
    public JSelector<JHead_t>
  {};
}
 
 
/**
 * \file
 * Auxiliary program to convert data formats and/or to select data.
 * Possible file name extensions include ".evt" (ASCII), ".root" (ROOT) and ".dat" (binary).\n
 * The following data structures and file name extensions are supported:
 *
 * <table>
 * <tr><th>  type                         </th><th>   evt   </th><th>  root   </th><th>   dat   </th></tr>
 * <tr><td>  KM3NETDAQ::JDAQEvent         </td><td>         </td><td>   I/O   </td><td>   I/O   </td></tr>
 * <tr><td>  KM3NETDAQ::JDAQTimeslice     </td><td>         </td><td>   I/O   </td><td>   I/O   </td></tr>
 * <tr><td>  KM3NETDAQ::JDAQSummaryslice  </td><td>         </td><td>   I/O   </td><td>   I/O   </td></tr>
 * <tr><td>  Head                         </td><td>    I    </td><td>   I/O   </td><td>         </td></tr>
 * <tr><td>  Evt                          </td><td>    I    </td><td>   I/O   </td><td>         </td></tr>
 * </table>
 *
 * The name of the data structure following option -C should be preceded by a '+' or '-' 
 * to add or remove data types in the output, respectively.\n
 * In this, ROOT wildcards are accepted (e.g. <tt>-C -\\\.\\*</tt> will remove all data types).
 *
 * \author mdejong
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;
 
  typedef JAllTypes_t  typelist;
 
  JMultipleFileScanner<typelist> inputFile;
  JFileRecorder       <typelist> outputFile;
  JLimit_t&           numberOfEvents = inputFile.getLimit();
  JROOTClassSelection selection      = getROOTClassSelection<typelist>();
  bool&               merge          = JMultipleFileScanner<Head>::merge;
  JSelector<typelist> selector;
  int                 debug;
 
  try {
 
    JParser<> zap("Auxiliary program to convert data formats and/or to select data.");
 
    zap['f'] = make_field(inputFile);
    zap['o'] = make_field(outputFile);
    zap['n'] = make_field(numberOfEvents)      = JLimit::max();
    zap['C'] = make_field(selection, 
                          "Precede name of data structure by a '+' or '-' "
                          "to add or remove data types in the output, respectively."
                          "\nROOT wildcards are accepted.") = JPARSER::initialised();
    zap['m'] = make_field(merge, "Allow merging of files w/o Monte Carlo headers");
    zap['r'] = make_field(selector)            = JPARSER::initialised();
    zap['d'] = make_field(debug)               = 1;
 
    zap(argc, argv);
  }
  catch(const exception& error) {
    FATAL(error.what() << endl);
  }
 
 
  outputFile.open();
 
  outputFile.put(JMeta(argc,argv));
 
  inputFile | JValve<typelist>(selection) | selector | outputFile;
 
  outputFile.close();
}