tdecoration.hpp

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#ifndef SPLA_T_DECORATION_HPP
#define SPLA_T_DECORATION_HPP
 
#include <spla/ref.hpp>
 
#include <array>
#include <bitset>
 
namespace spla {
 
    template<typename T>
    class TDecoration : public RefCnt {
    public:
        ~TDecoration() override = default;
 
        [[nodiscard]] virtual uint get_n_values() const { return values; }
 
    public:
        uint values = 0;
    };
 
    template<typename T, typename F, int capacity>
    class TDecorationStorage {
    public:
        ref_ptr<TDecoration<T>>& get_ref_i(int index) { return m_decorations[index]; }
        TDecoration<T>*          get_ptr_i(int index) { return m_decorations[index].get(); }
        ref_ptr<TDecoration<T>>& get_ref(F format) { return get_ref_i(static_cast<int>(format)); }
        TDecoration<T>*          get_ptr(F format) { return get_ptr_i(static_cast<int>(format)); }
 
        template<class DecorationClass>
        DecorationClass* get() { return dynamic_cast<DecorationClass*>(get_ptr(DecorationClass::FORMAT)); }
 
        [[nodiscard]] bool is_valid_any() const { return m_is_valid.any(); }
        [[nodiscard]] bool is_valid_i(int index) const { return m_is_valid.test(index); }
        [[nodiscard]] bool is_valid(F format) const { return is_valid_i(static_cast<int>(format)); }
        void               validate(F format) { m_is_valid.set(static_cast<int>(format), true); }
        void               invalidate() { m_is_valid.reset(); }
 
        void set_fill_value(T value) { m_fill_value = value; }
        T    get_fill_value() const { return m_fill_value; }
 
        [[nodiscard]] uint get_n_rows() const { return m_n_rows; }
        [[nodiscard]] uint get_n_cols() const { return m_n_cols; }
 
        void set_dims(uint n_rows, uint n_cols) {
            m_n_rows = n_rows;
            m_n_cols = n_cols;
        }
 
    private:
        std::array<ref_ptr<TDecoration<T>>, capacity> m_decorations;
        std::bitset<capacity>                         m_is_valid;
        uint                                          m_n_rows     = 0;
        uint                                          m_n_cols     = 0;
        T                                             m_fill_value = T();
    };
 
}// namespace spla
 
#endif//SPLA_T_DECORATION_HPP