Flags.h

Go to the documentation of this file.

 
#ifndef SDBUS_CXX_FLAGS_H_
#define SDBUS_CXX_FLAGS_H_
 
#include <bitset>
#include <cstdint>
 
namespace sdbus {
 
    // D-Bus interface, method, signal or property flags
    class Flags
    {
    public:
        enum GeneralFlags : uint8_t
        {    DEPRECATED = 0
        ,    METHOD_NO_REPLY = 1
        ,    PRIVILEGED = 2
        };
 
        enum PropertyUpdateBehaviorFlags : uint8_t
        {   EMITS_CHANGE_SIGNAL = 3
        ,   EMITS_INVALIDATION_SIGNAL = 4
        ,   EMITS_NO_SIGNAL = 5
        ,   CONST_PROPERTY_VALUE = 6
        };
 
        enum : uint8_t
        {   FLAG_COUNT = 7
        };
 
        Flags()
        {
            // EMITS_CHANGE_SIGNAL is on by default
            flags_.set(EMITS_CHANGE_SIGNAL, true);
        }
 
        void set(GeneralFlags flag, bool value = true)
        {
            flags_.set(flag, value);
        }
 
        void set(PropertyUpdateBehaviorFlags flag, bool value = true)
        {
            flags_.set(EMITS_CHANGE_SIGNAL, false);
            flags_.set(EMITS_INVALIDATION_SIGNAL, false);
            flags_.set(EMITS_NO_SIGNAL, false);
            flags_.set(CONST_PROPERTY_VALUE, false);
 
            flags_.set(flag, value);
        }
 
        [[nodiscard]] bool test(GeneralFlags flag) const
        {
            return flags_.test(flag);
        }
 
        [[nodiscard]] bool test(PropertyUpdateBehaviorFlags flag) const
        {
            return flags_.test(flag);
        }
 
        [[nodiscard]] uint64_t toSdBusInterfaceFlags() const;
        [[nodiscard]] uint64_t toSdBusMethodFlags() const;
        [[nodiscard]] uint64_t toSdBusSignalFlags() const;
        [[nodiscard]] uint64_t toSdBusPropertyFlags() const;
        [[nodiscard]] uint64_t toSdBusWritablePropertyFlags() const;
 
    private:
        std::bitset<FLAG_COUNT> flags_;
    };
 
} // namespace sdbus
 
#endif /* SDBUS_CXX_FLAGS_H_ */