EventSourceWithInputFile.hh

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// $Header: /cvs/lcd/slic/include/EventSourceWithInputFile.hh,v 1.9 2007/04/27 01:54:32 jeremy Exp $

#ifndef SLIC_EVENTSOURCEWITHINPUTFILE_HH
#define SLIC_EVENTSOURCEWITHINPUTFILE_HH 1

// slic
#include "EventSource.hh"
#include "FileUtil.hh"
#include "Module.hh"

namespace slic
{
  class EventSourceWithInputFile : public EventSource
  {

  protected:

    EventSourceWithInputFile( const std::string& name,
                              const std::string& filename = "" )
      : EventSource( name ),
        m_filename(filename),
        m_eof(false),
        m_fileIsOpen(false),
        m_fileIsNew(false),
        m_fileIsSet(false)
    {}

  public:
    virtual ~EventSourceWithInputFile()
    {}

  public:

    void setFilename(const std::string& s);

    const std::string& getFilename();

    // reset current source
    virtual void reset();

    // skip n events
    virtual unsigned int skipEvents(unsigned int nevents);

    // current status = EOF?
    virtual bool isEOF();

    virtual void beginEvent(const G4Event*);

    virtual void beginRun(const G4Run*);

    // Next 4 to be implemented by subclasses...

    // open the current file
    virtual void open() = 0;

    // close the current file
    virtual void close() = 0;

    // read the next event
    virtual void readNextEvent() = 0;
    virtual void dumpCurrentEvent() = 0;

  protected:

    // name of input file
    std::string m_filename;

    // state vars
    bool m_eof;
    bool m_fileIsOpen;
    bool m_fileIsNew;
    bool m_fileIsSet;
  };
}

#endif

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