pzdatafi.h

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#ifndef PZDATAFIHPP
#define PZDATAFIHPP

#include "pzerror.h"

#include <stdlib>
#include <fstream>


class TGeoGrid;
class TCompGrid;

class TDatafile 
{
protected:
                filebuf  fBuffer;
                istream  fData;
                char  fFilename[256];
                int             fFileError;

public:
                
                TDatafile(char *fn) : fData(&fBuffer) {
                                fFileError = 0;
                                strcpy (fFilename, fn);
                                if ( fBuffer.open( fn, ios::in) == 0) {
                                                pzerror << "\nERROR(TDatafile::const)-> Cannot open " << fn << "\n";
                                                //                              pzerror.show();
                                                fFileError = 1;
                                }
                }
                int Error() {return fFileError;}
                virtual ~TDatafile(){ fBuffer.close();}

                virtual short Read (TCompGrid & malha) = 0;

};

#endif