IoRerootStreamItr.h

Go to the documentation of this file.

// $Id: IoRerootStreamItr.h,v 1.4 2003/02/12 02:45:48 kasahara Exp $
//
// Class for walking over a reroot input file
//
// messier@huhepl.harvard.edu
#ifndef IOREROOTSTREAMITR_H
#define IOREROOTSTREAMITR_H
#ifndef IODATASTREAMITR_H
#include "IoModules/IoDataStreamItr.h"
#endif
#ifndef MINFAST_H
#include "MINF_Classes/MINFast.h"
#define MINFAST_H
#endif

class IoRerootStreamItr : public IoDataStreamItr
{
public:
  IoRerootStreamItr(const char* sourceName = "");
  virtual ~IoRerootStreamItr();

  bool        IsValid()   const { return fIsValid; }
  const char* GetFormat() const { return "reroot"; }

  int LoadRecords(MomNavigator* mom);
  int Increment(int n=1, MomNavigator* m=0);
  int Decrement(int n=1, MomNavigator* m=0);
  JobCResult GoTo(const VldContext& vld, MomNavigator* m=0);
  int GoToEOF();
  
private:
  bool IsOpenFile() const;

  struct Cleaner {
    void UseMe() { /* keep compliers quiet if we use the class */ } 
    ~Cleaner() {
      if (gMINFast) { delete gMINFast; gMINFast = 0; }
    }
  };

  JobCResult OpenFile();
  void       CloseFile();

  long int fIndex;    // Index in the current file
  long int fBOFIndex; // Index position at the begin of the file
  long int fEOFIndex; // Index position at the end of the file
  bool fIsValid;      // validity of this iterator
};

#endif

---