leaf_layout.h

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#ifndef DDL_LEAF_LAYOUT_CLASS_HEADER
#define DDL_LEAF_LAYOUT_CLASS_HEADER
 
namespace ddl {
namespace codec {

enum class LeafDataRepresentation : uint8_t {
    deserialized = 0x00,
    serialized = 0x01,
    serialized_be = 0x03,
    serialized_le = 0x01
};

enum class LeafElementType : uint8_t {
    let_bool = static_cast<uint8_t>(ElementType::cet_bool), 
    let_int8 = static_cast<uint8_t>(ElementType::cet_int8), 
    let_uint8 =
        static_cast<uint8_t>(ElementType::cet_uint8), 
    let_int16 =
        static_cast<uint8_t>(ElementType::cet_int16), 
    let_uint16 =
        static_cast<uint8_t>(ElementType::cet_uint16), 
    let_int32 =
        static_cast<uint8_t>(ElementType::cet_int32), 
    let_uint32 =
        static_cast<uint8_t>(ElementType::cet_uint32), 
    let_int64 =
        static_cast<uint8_t>(ElementType::cet_int64), 
    let_uint64 =
        static_cast<uint8_t>(ElementType::cet_uint64), 
    let_float = static_cast<uint8_t>(ElementType::cet_float),   
    let_double = static_cast<uint8_t>(ElementType::cet_double), 
};

struct LeafLayout {
    static constexpr uint32_t _invalid_pos = static_cast<uint32_t>(-1);
    static constexpr size_t _max_byte_size = 31;
    static constexpr size_t _max_bit_size = 255;

    uint32_t byte_pos =
        _invalid_pos; // we do not need to use size_t here because CodecLayout will have bits!
    uint8_t bit_pos = {}; // bitpos is only set in serialzed representation
    LeafElementType element_type{}; // elementtype
    uint8_t bit_size = {}; // max. 255bit for userdefined types!
    uint8_t data_flags = static_cast<uint8_t>(LeafDataRepresentation::deserialized);
};
 
} // namespace codec
} // namespace ddl
 
#endif