LOFAR_DALFile.h

//-*-C++-*-
/***************************************************************************
 *
 *   Copyright (C) 2005 by Haydon Knight
 *   Licensed under the Academic Free License version 2.1
 *
 ***************************************************************************/
 
#ifndef __LOFAR_DALFile_h
#define __LOFAR_DALFile_h
 
#include "dsp/File.h"
 
namespace dsp {
 
  class LOFAR_DALFile : public File
  {
  public:
          
    LOFAR_DALFile (const char* project_id=0);
          
    ~LOFAR_DALFile ();
          
    bool is_valid (const char* filename) const;
 
  protected:
 
    void open_file (const char* filename);  
 
    void close ();
    void rewind ();
    int64_t load_bytes (unsigned char* buffer, uint64_t bytes);
    int64_t seek_bytes (uint64_t bytes);
 
    class Handle;
    Handle* handle;
 
  };
 
}
 
#endif // !defined(__LOFAR_DALFile_h)