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#ifndef EventFilter_CSCRawToDigi_CSCChamberDataItr_h
#define EventFilter_CSCRawToDigi_CSCChamberDataItr_h
/** a class to help users iterate over CSC chambers,
without having to know about DCCs and DDUs
\Author Rick Wilkinson, Caltech
*/
#include "EventFilter/CSCRawToDigi/interface/CSCDDUDataItr.h"
class CSCDCCEventData;
class CSCDDUEventData;
class CSCEventData;
#include <vector>
class CSCChamberDataItr {
public:
/// construct from data buffer. Will figure out whether it's
/// DCC or DDU
CSCChamberDataItr(const char *buf);
~CSCChamberDataItr();
bool next();
const CSCEventData &operator*();
private:
/// for DCC data.
void constructFromDCC(const CSCDCCEventData &);
/// for DDU-only data
void constructFromDDU(const CSCDDUEventData &);
/// sets theDDU & theNumberOfCSCs
void initDDU();
/// a little confusing here. This class will either
/// own theDCCData, in which case the DDUs points inside it,
// or if there's no DCC, it will
/// make a new vector of DDUs (length 1).
const CSCDCCEventData *theDCCData;
CSCDDUDataItr *theDDUItr;
unsigned theCurrentDDU;
unsigned theNumberOfDDUs;
};
#endif
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