RawCorsikaFile.h

Go to the documentation of this file.

#ifndef _io_Corsika_RawFile_h_
#define _io_Corsika_RawFile_h_

#include <io/CorsikaBlock.h>
#include <string>
#include <fstream>


namespace io {

  namespace Corsika {

    class RawFile {
    public:
      typedef unsigned long int PositionType;

      static const unsigned int kBlocksInDiskBlock = 21;

      //static const unsigned int kPaddingBeginning = 4;
      //static const unsigned int kPaddingEnd = 4;

      class ThinnedDiskBlock {
      private:
        //char fPaddingBeginning[kPaddingBeginning];
      public:
        Block fBlock[kBlocksInDiskBlock];
      private:
        //char fPaddingEnd[kPaddingEnd];
      };

      class UnthinnedDiskBlock {
      private:
        //char fPaddingBeginning[kPaddingBeginning];
      public:
        BlockUnthinned fBlock[kBlocksInDiskBlock];
      private:
        //char fPaddingEnd[kPaddingEnd];
      };

      RawFile() { }

      RawFile(const std::string& name);

      bool Open(const std::string& name, const bool noException = false);

      void Close();

      bool GetNextBlock(Block& block);

      bool GetNextBlockUnthinned(BlockUnthinned& block);

      PositionType GetNextPosition() const;

      void SeekTo(const PositionType position, const bool reset = false);

      bool IsOpen() const;

    private:
      bool ReadDiskBlock(const bool thinned);

      mutable std::ifstream fDiskStream;
      int fPaddingSize = 4;
      PositionType fCurrentBlockNumber = 0;

      UnthinnedDiskBlock fDiskUnthinnBlockBuffer;
      ThinnedDiskBlock fDiskThinnBlockBuffer;

      unsigned int fIndexInDiskBlock = 0;
      bool fBlockBufferValid = false;

    };

  }
}


#endif