metatype.h

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#pragma once

#include <cad/const.h>
#include <string>
#include <memory>
#include <iostream>

namespace lc {
    class MetaType {
        public:
            MetaType() {
            }

            virtual ~MetaType() = default;

            virtual const std::string id() const = 0;

        private:
            friend std::ostream &operator<<(std::ostream &os, const MetaType &lineWidth) {
                os << "MetaType()" << std::endl;;
                return os;
            }

    };

    class DocumentMetaType : public MetaType {
        public:
            virtual const std::string name() const = 0;

        private:
            friend std::ostream &operator<<(std::ostream &os, const DocumentMetaType &lineWidth) {
                os << "DocumentMetaType()" << std::endl;
                return os;
            }
    };

    class EntityMetaType : public MetaType {
        public:
            virtual const std::string metaTypeID() const = 0;

        private:
            friend std::ostream &operator<<(std::ostream &os, const EntityMetaType &lineWidth) {
                os << "EntityMetaType()" << std::endl;;
                return os;
            }
    };

    DECLARE_SHORT_SHARED_PTR(MetaType)
    DECLARE_SHORT_SHARED_PTR(DocumentMetaType)
    DECLARE_SHORT_SHARED_PTR(EntityMetaType)
}