smgenericin.hh

// Licensed GNU LGPL v3 or later: http://www.gnu.org/licenses/lgpl.html

#ifndef SPECTMORPH_GENERIC_IN_HH
#define SPECTMORPH_GENERIC_IN_HH

#include <string>

namespace SpectMorph
{

class GenericIn
{
public:
  static GenericIn* open (const std::string& filename);

  virtual ~GenericIn();
  virtual int get_byte() = 0;     // like fgetc
  virtual int read (void *ptr, size_t size) = 0;
  virtual bool skip (size_t size) = 0;
  virtual size_t get_pos() = 0;
  virtual unsigned char *mmap_mem (size_t& remaining) = 0;
  virtual GenericIn *open_subfile (size_t pos, size_t len) = 0;
};

}

#endif /* SPECTMORPH_GENERIC_IN_HH */