mask.h

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#ifndef MASK_H
#define MASK_H
 
#include <string>
#include <string_view>
#include <utility>
#include <vector>

namespace mazes
{
    class randomizer;

    class mask
    {
    public:
        explicit mask(unsigned int rows, unsigned int columns);
 
        ~mask() = default;
 
        mask(const mask &) = default;
        mask &operator=(const mask &) = default;
 
        mask(mask &&) noexcept = default;
        mask &operator=(mask &&) noexcept = default;

        bool operator()(unsigned int row, unsigned int column) const noexcept;

        void set(unsigned int row, unsigned int column, bool is_on) noexcept;

        int count() const noexcept;

        std::pair<unsigned int, unsigned int> random_location(randomizer &rng) const noexcept;

        [[nodiscard]] unsigned int rows() const noexcept;

        [[nodiscard]] unsigned int columns() const noexcept;

        static mask from_txt(const std::string &filename);

        static mask from_string(std::string_view text);

        static mask from_source(std::string_view source);
 
    private:
        std::vector<std::vector<bool>> m_bits;
    };
} // namespace mazes
 
#endif // MASK_H