#ifndef __QIOREADLAT__
#define __QIOREADLAT__

#include <util/qio_general.h>

CPS_START_NAMESPACE

class qio_readLattice: private qio_init {

 private:

  char *cname;

 public:

  // versions with argc/argv

  qio_readLattice(int argc, char *argv[]): qio_init(argc, argv), cname("qio_readLattice"){}

  //! read a lattice configuration with QIO
  /*!
    \param infile file to read from
    \param lat pointer to lattice
  */
  qio_readLattice(char *infile, Lattice &lat, int argc, char *argv[], int volFormat=QIO_UNKNOWN): qio_init(argc, argv), cname("qio_readLattice")
   {read(infile, lat, volFormat);}

  //version w/o argc/argv, using GJP

  qio_readLattice(): qio_init(GJP.argc(), GJP.argv()), cname("qio_readLattice"){}

  //! read a lattice configuration with QIO
  /*!
    \param infile file to read from
    \param lat pointer to lattice
  */
  qio_readLattice(char *infile, Lattice &lat, int volFormat=QIO_UNKNOWN): qio_init(GJP.argc(), GJP.argv()), cname("qio_readLattice")
   {read(infile, lat, volFormat);}
  


  virtual ~qio_readLattice(){
    #ifdef DEBUG_Init
      std::printf("finished qio_readLattice\n");
    #endif //DEBUG_Init
  }

  //! read a lattice configuration with QIO
  /*!
    \param infile file to read from
    \param lat pointer to lattice
  */
  void read(char *infile, Lattice &lat, int volFormat=QIO_UNKNOWN);

 private:

  QIO_Reader *qio_Input;

  void qio_openInput(char *filename, int volFormat);

  void qio_closeInput()
    { QIO_close_read(qio_Input);}

  void qio_communicateTchunks(void *start);

};



CPS_END_NAMESPACE
#endif // __QIOREADLAT__