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RawDataReader.h

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/* Raw Data Reader: Classes for reading raw data blocks
 *
 * Created By: dandwyer@caltech.edu 2009/7/10
 */

#ifndef RAWDATAREADER_H
#define RAWDATAREADER_H

namespace DayaBay {
  class RawRecord;
  class RawData;
  class RawEvent;
}

class IInputStream;

namespace DayaBay {

  // Base raw data block
  class RawDataReader {
    public:
      RawDataReader();
      ~RawDataReader();
      bool       open(const char* filename);

      void       close();

      DayaBay::RawRecord* nextRecord();
      DayaBay::RawData*   nextData();
      DayaBay::RawEvent*  nextEvent();
    private:
      bool     read(unsigned int size, unsigned int offset=0);
      void     checkFileHeader();
      bool     processFileStart();
      bool     processDataSeparator();
    private:
      IInputStream* m_input;
      unsigned int* m_buffer;
      unsigned int  m_size;
      unsigned int  m_version;
  };

}

#endif // RAWDATAREADER_H

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