registry.hpp

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#ifndef LIBFILEZILLA_GLUE_REGISTRY_HEADER
#define LIBFILEZILLA_GLUE_REGISTRY_HEADER

 
#include "../libfilezilla.hpp"
 
#ifdef FZ_WINDOWS
 
#include "windows.hpp"
 
#include <optional>
#include <string>
 
namespace fz {

class FZ_PUBLIC_SYMBOL regkey final
{
public:
    regkey() = default;
    ~regkey();
 
    enum regview {
        regview_native,
        regview_32,
        regview_64
    };
 

    explicit regkey(HKEY const root, std::wstring const& subkey, bool readonly, regview v = regview_native);
 
    regkey(regkey const&) = delete;
    regkey& operator=(regkey const&) = delete;
 
    void close();

    bool open(HKEY const root, std::wstring const& subkey, bool readonly, regview v = regview_native);
 
    bool has_value(std::wstring const& name) const;

    std::wstring value(std::wstring const& name) const;

    uint64_t int_value(std::wstring const& name) const;
 
    bool set_value(std::wstring const& name, std::wstring const& value);
    bool set_value(std::wstring const& name, uint64_t value);
 
    explicit operator bool() const {
        return key_.has_value();
    }
 
    bool delete_value(std::wstring const& name);
 
private:
    mutable std::optional<HKEY> key_;
};
}
 
#else
#error This file is for Windows only
#endif
 
#endif