AttributeDescription.hpp

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#pragma once
#include <compare>
#include <optional>
#include <wmtk/PrimitiveType.hpp>
#include <wmtk/attribute/AttributeType.hpp>
#include <wmtk/components/utils/json_macros.hpp>
 
namespace wmtk::attribute {
WMTK_NLOHMANN_JSON_DECLARATION(AttributeType)
}
 
namespace wmtk::components::multimesh::utils {
 
 
// the minimal information to uniquely extract an attribute handle
struct AttributeDescription
{
    std::string path;
    std::optional<uint8_t> dimension;
    std::optional<attribute::AttributeType> type;
 
 
    AttributeDescription() = default;
    AttributeDescription(const AttributeDescription&) = default;
    AttributeDescription(AttributeDescription&&) = default;
    AttributeDescription& operator=(const AttributeDescription&) = default;
    AttributeDescription& operator=(AttributeDescription&&) = default;
    ~AttributeDescription() = default;
 
    AttributeDescription(
        const std::string_view& p,
        const std::optional<uint8_t>& dim,
        const std::optional<attribute::AttributeType>& t)
        : path(p)
        , dimension(dim)
        , type(t)
    {}
 
    explicit AttributeDescription(
        const std::string_view& p,
        const std::optional<PrimitiveType>& pt,
        const std::optional<attribute::AttributeType>& t)
        : AttributeDescription(
              p,
              pt.has_value() ? std::optional<uint8_t>{wmtk::get_primitive_type_id(pt.value())}
                             : std::optional<uint8_t>{},
              t)
    {}
 
 
    std::optional<PrimitiveType> primitive_type() const;
 
    auto operator<=>(const AttributeDescription&) const -> std::strong_ordering;
    auto operator==(const AttributeDescription&) const -> bool;
 
 
    WMTK_NLOHMANN_JSON_FRIEND_DECLARATION(AttributeDescription)
};
} // namespace wmtk::components::multimesh::utils