SizePrefixedEntity.h

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#pragma once
#include "catapult/utils/NonCopyable.h"
#include <stdint.h>
 
namespace catapult { namespace model {
 
#pragma pack(push, 1)
 
    struct SizePrefixedEntity : public utils::NonCopyable {
    public:
        uint32_t Size;
 
    protected:
        const uint8_t* ToBytePointer() const;
 
        uint8_t* ToBytePointer();
 
        template<typename T>
        static auto PayloadStart(T& entity) {
            return entity.Size != T::CalculateRealSize(entity) ? nullptr : entity.ToBytePointer() + sizeof(T);
        }
 
    public:
        bool operator==(const SizePrefixedEntity& rhs) const;
 
        bool operator!=(const SizePrefixedEntity& rhs) const;
    };
 
#pragma pack(pop)
}}