instance.h

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/************************************************************************************
*                                                                                   *
*   Copyright (c) 2014 - 2018 Axel Menzel <info@rttr.org>                           *
*                                                                                   *
*   This file is part of RTTR (Run Time Type Reflection)                            *
*   License: MIT License                                                            *
*                                                                                   *
*   Permission is hereby granted, free of charge, to any person obtaining           *
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#ifndef RTTR_INSTANCE_H_
#define RTTR_INSTANCE_H_

#include "rttr/detail/base/core_prerequisites.h"
#include "rttr/detail/misc/misc_type_traits.h"
#include "rttr/detail/misc/data_address_container.h"

namespace rttr
{
class variant;
class type;
class argument;

class RTTR_API instance
{
    template<typename T, typename Tp = detail::decay_t<T>>
    using decay_instance_t = detail::enable_if_t<!std::is_same<instance, Tp>::value &&
                                                 !std::is_same<variant, Tp>::value, T>;

public:
    RTTR_INLINE instance() RTTR_NOEXCEPT;

    RTTR_INLINE instance(const variant& var) RTTR_NOEXCEPT;

    RTTR_INLINE instance(const instance& other) RTTR_NOEXCEPT;

    template<typename T, typename Tp = decay_instance_t<T>>
    RTTR_INLINE instance(T& data) RTTR_NOEXCEPT;

    template<typename Target_Type>
    RTTR_INLINE Target_Type* try_convert() const RTTR_NOEXCEPT;

    RTTR_INLINE bool is_valid() const RTTR_NOEXCEPT;

    explicit operator bool() const RTTR_NOEXCEPT;

    RTTR_INLINE type get_type() const RTTR_NOEXCEPT;

    RTTR_INLINE instance get_wrapped_instance() const RTTR_NOEXCEPT;

    RTTR_INLINE type get_derived_type() const RTTR_NOEXCEPT;

private:
    instance& operator=(const instance& other) RTTR_NOEXCEPT;

    detail::data_address_container m_data_container;
};

} // end namespace rttr

#include "rttr/detail/impl/instance_impl.h"

#endif // RTTR_INSTANCE_H_