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#ifndef PROTOZERO_TYPES_HPP
#define PROTOZERO_TYPES_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.
*****************************************************************************/
/**
* @file types.hpp
*
* @brief Contains the declaration of low-level types used in the pbf format.
*/
#include "config.hpp"
#include <algorithm>
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <string>
#include <utility>
namespace protozero {
/**
* The type used for field tags (field numbers).
*/
using pbf_tag_type = uint32_t;
/**
* The type used to encode type information.
* See the table on
* https://developers.google.com/protocol-buffers/docs/encoding
*/
enum class pbf_wire_type : uint32_t {
varint = 0, // int32/64, uint32/64, sint32/64, bool, enum
fixed64 = 1, // fixed64, sfixed64, double
length_delimited = 2, // string, bytes, nested messages, packed repeated fields
fixed32 = 5, // fixed32, sfixed32, float
unknown = 99 // used for default setting in this library
};
/**
* Get the tag and wire type of the current field in one integer suitable
* for comparison with a switch statement.
*
* See pbf_reader.tag_and_type() for an example how to use this.
*/
template <typename T>
constexpr inline uint32_t tag_and_type(T tag, pbf_wire_type wire_type) noexcept {
return (static_cast<uint32_t>(static_cast<pbf_tag_type>(tag)) << 3U) | static_cast<uint32_t>(wire_type);
}
/**
* The type used for length values, such as the length of a field.
*/
using pbf_length_type = uint32_t;
} // end namespace protozero
#endif // PROTOZERO_TYPES_HPP
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