storage_proxy.hpp

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#if !defined(TETENGO_PROPERTY_STORAGEPROXY_HPP)
#define TETENGO_PROPERTY_STORAGEPROXY_HPP
 
#include <cstdint>
#include <filesystem>
#include <memory>
#include <optional>
#include <string>
 
#include <tetengo/property/storage.hpp>
 
 
namespace tetengo::property
{
    class storage_proxy : public storage
    {
    public:
        // constructors and destructor
 
        virtual ~storage_proxy();
 
 
    private:
        // types
 
        class impl;
 
        friend class storage_loader_proxy;
 
 
        // variables
 
        const std::unique_ptr<impl> m_p_impl;
 
 
        // constructors
 
        storage_proxy(std::shared_ptr<storage_loader> p_real_storage_loader, const std::filesystem::path& path);
 
 
        // virtual functions
 
        virtual std::optional<bool> get_bool_impl(const std::filesystem::path& key) const override;
 
        virtual void set_bool_impl(const std::filesystem::path& key, bool value) override;
 
        virtual std::optional<std::uint32_t> get_uint32_impl(const std::filesystem::path& key) const override;
 
        virtual void set_uint32_impl(const std::filesystem::path& key, std::uint32_t value) override;
 
        virtual std::optional<std::string> get_string_impl(const std::filesystem::path& key) const override;
 
        virtual void set_string_impl(const std::filesystem::path& key, const std::string& value) override;
 
        virtual void save_impl() const override;
    };
 
 
    class storage_loader_proxy : public storage_loader
    {
    public:
        // constructors and destructor
 
        explicit storage_loader_proxy(std::unique_ptr<storage_loader>&& p_real_storage_loader);
 
        virtual ~storage_loader_proxy();
 
 
    private:
        // types
 
        class impl;
 
 
        // variables
 
        const std::unique_ptr<impl> m_p_impl;
 
 
        // virtual functions
 
        virtual std::unique_ptr<storage> load_impl(const std::filesystem::path&) const override;
    };
 
 
}
 
 
#endif