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DaqTraits.h

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#ifndef DAQREADOUTFORMAT_DAQTRAITS_H
#define DAQREADOUTFORMAT_DAQTRAITS_H

/*
 *  DaqTraits.h
 *  DaqReadoutFormat
 *
 *  Created by Simon Patton on 7/19/10.
 *  Copyright 2010 DayaBay Collaboration. All rights reserved.
 *
 */
#include <string>
#include <vector>

namespace DybDaq {
    class BitsDefinition;
}
namespace DybDaq {
    
    class DaqTraits {
        
    public:
        
        friend class DaqBuffer;
        
        typedef std::vector<BitsDefinition> Definitions;
        
        virtual ~DaqTraits();
        
        /*
         * Returns the major version of the event format as an unsigned int.
         */
        virtual unsigned int majorVersion() const = 0;
        
        /*
         * Returns the major version of the event format as an unsigned int.
         */
        virtual unsigned int minorVersion() const = 0;
        
        virtual const std::string versionString() const = 0;
        
        virtual unsigned int marker(unsigned int marker) const;
        
        virtual unsigned int illegalMarker() const = 0;
        
        virtual unsigned int illegalField() const = 0;
        
        virtual const char* boolAsString(bool value) const;
        
        const DaqTraits::Definitions& bitsDefinitions(unsigned int component) const;
        
    protected:
        
        DaqTraits();
        
        static unsigned int readUnsignedInt(const char*& buffer,
                                            const DaqTraits& traits,
                                            unsigned int field);
        
        unsigned int index(unsigned int field) const;
        
        virtual unsigned int markersEnd() const = 0;
        
        virtual const unsigned int* markers() const = 0;
        
        virtual unsigned int fieldsEnd() const = 0;
        
        virtual const unsigned int* indices() const = 0;
        
        virtual const unsigned int* shifts() const = 0;
        
        virtual const unsigned int* masks() const = 0;
        
        virtual const std::string* descriptions() const;
        
        virtual DaqTraits::Definitions* definitions(unsigned int component) const;
        
        virtual void setDefinitions(DaqTraits::Definitions* definitions,
                                    unsigned int component);        
        virtual const unsigned int* componentFields(unsigned int component) const;
        
        virtual const unsigned int componentFieldsEnd(unsigned int component) const;    
        
    private:
        
        DaqTraits(DaqTraits& rhs);
        
        DaqTraits& operator=(DaqTraits& rhs);
        
        unsigned int shift(unsigned int field) const;
        
        unsigned int mask(unsigned int field) const;
        
    };
    
}

#endif // DAQREADOUTFORMAT_DAQTRAITS_H

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