filesystem_adapter.hpp

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#ifndef GUARD_SQLITE_FILESYSTEM_ADAPTER_HPP_INCLUDED
#define GUARD_SQLITE_FILESYSTEM_ADAPTER_HPP_INCLUDED
 
#include <filesystem>
#include <memory>

namespace sqlite {
inline namespace v2 {

    struct filesystem_entry {
        std::filesystem::file_status status;
        std::error_code error;
    };

    struct filesystem_adapter {
        virtual ~filesystem_adapter() = default;
 
        virtual filesystem_entry status(std::filesystem::path const &target) const          = 0;
        virtual bool remove(std::filesystem::path const &target, std::error_code &ec) const = 0;
    };

    class default_filesystem_adapter : public filesystem_adapter {
    public:
        filesystem_entry status(std::filesystem::path const &target) const override {
            std::error_code ec;
            auto stat = std::filesystem::symlink_status(target, ec);
            return {stat, ec};
        }
 
        bool remove(std::filesystem::path const &target, std::error_code &ec) const override {
            return std::filesystem::remove(target, ec);
        }
    };
 
    using filesystem_adapter_ptr = std::shared_ptr<filesystem_adapter>;
 
} // namespace v2
} // namespace sqlite
 
#endif