And.hpp

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#ifndef ECSTASY_QUERY_MODIFIERS_AND_HPP_
#define ECSTASY_QUERY_MODIFIERS_AND_HPP_
 
#include "BinaryModifier.hpp"
#include "ecstasy/query/concepts/Queryable.hpp"
 
namespace ecstasy::query::modifier
{
    template <bool AutoLock, Queryable Q1, Queryable Q2, Queryable... Qs>
    class AndImpl
        : public BinaryModifier<AndImpl<AutoLock, Q1, Q2, Qs...>, AutoLock, std::type_identity, Q1, Q2, Qs...> {
      private:
        using ModifierClass =
            BinaryModifier<AndImpl<AutoLock, Q1, Q2, Qs...>, AutoLock, std::type_identity, Q1, Q2, Qs...>;
 
      public:
        AndImpl(Q1 &firstOperand, Q2 &secondOperand, Qs &...otherOperands)
            : ModifierClass(firstOperand, secondOperand, otherOperands...)
        {
        }
 
        template <size_t operandId>
        [[nodiscard]] inline typename ModifierClass::template OperandData<operandId> getOperandData(size_t index)
        {
            return getQueryableData(std::get<operandId>(this->_operands), index);
        }
 
        inline void reloadMask()
        {
            if constexpr (sizeof...(Qs) > 0)
                combineOperandMasks(std::make_index_sequence<(sizeof...(Qs))>());
            else
                this->_mask = ecstasy::query::getQueryableMask(std::get<0>(this->_operands))
                    & ecstasy::query::getQueryableMask(std::get<1>(this->_operands));
        }
 
      private:
        template <size_t... ints>
        inline void combineOperandMasks([[maybe_unused]] std::integer_sequence<size_t, ints...> int_seq)
        {
            this->_mask = ((util::BitSet(getQueryableMask(std::get<0>(this->_operands)))
                               & getQueryableMask(std::get<1>(this->_operands))) &= ... &=
                getQueryableMask(std::get<ints + 2>(this->_operands)));
        }
    };
 
    template <Queryable Q1, Queryable Q2, Queryable... Qs>
    [[nodiscard]] auto constexpr And(Q1 &firstOperand, Q2 &secondOperand, Qs &...otherOperands)
    {
        return AndImpl<false, Q1, Q2, Qs...>(firstOperand, secondOperand, otherOperands...);
    }
} // namespace ecstasy::query::modifier
 
#endif /* !ECSTASY_QUERY_MODIFIERS_AND_HPP_ */