pbf_message.hpp

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#ifndef PROTOZERO_PBF_MESSAGE_HPP
#define PROTOZERO_PBF_MESSAGE_HPP
 
/*****************************************************************************
 
protozero - Minimalistic protocol buffer decoder and encoder in C++.
 
This file is from https://github.com/mapbox/protozero where you can find more
documentation.
 
*****************************************************************************/

 
#include "pbf_reader.hpp"
#include "types.hpp"
 
#include <type_traits>
 
namespace protozero {

template <typename T>
class pbf_message : public pbf_reader {
 
    static_assert(std::is_same<pbf_tag_type, std::underlying_type_t<T>>::value,
                  "T must be enum with underlying type protozero::pbf_tag_type");
 
public:

    using enum_type = T;

    template <typename... Args>
    pbf_message(Args&&... args) noexcept : // NOLINT(google-explicit-constructor, hicpp-explicit-conversions)
        pbf_reader{std::forward<Args>(args)...} {
    }

    bool next() {
        return pbf_reader::next();
    }

    bool next(T next_tag) {
        return pbf_reader::next(pbf_tag_type(next_tag));
    }

    bool next(T next_tag, pbf_wire_type type) {
        return pbf_reader::next(pbf_tag_type(next_tag), type);
    }

    T tag() const noexcept {
        return T(pbf_reader::tag());
    }
 
}; // class pbf_message
 
} // end namespace protozero
 
#endif // PROTOZERO_PBF_MESSAGE_HPP