get_reflection_handler.h

#pragma once
 
#include "find_reflection_handler.h"
#include <cgv/config/cpp_version.h>
 
#include "lib_begin.h"
 
namespace cgv {
        namespace reflect {
 
class CGV_API get_reflection_handler : public find_reflection_handler
{
protected:
        void* value_ptr;
        std::string value_type;
        abst_reflection_traits* value_rt;
public:
        get_reflection_handler(const std::string& _target,
                                                                const std::string& _value_type,
                                                                void* _value_ptr,
                                                                abst_reflection_traits* _value_rt = 0);
        get_reflection_handler(const std::string& _target, void* _value_ptr, abst_reflection_traits* _value_rt);
        void process_member_void(const std::string& member_name, void* member_ptr, 
                                                     abst_reflection_traits* rt, GroupKind group_kind, unsigned grp_size);
};
 
#ifdef REFLECT_TRAITS_WITH_DECLTYPE
 
template <typename T, typename Q>
        bool get_member(T& variable, const std::string& target, Q& value) {
                        reflection_traits_info<Q>::traits_type rt_value;
#else
namespace compatibility {
        template <typename T, typename Q, typename RQ>
        bool get_member_impl(T& variable, const std::string& target, Q& value, RQ&) {
                RQ rt_value;
#endif
                get_reflection_handler grh(target, &value, &rt_value);
                grh.reflect_member("", variable);
                return grh.found_valid_target();
        }
#ifndef REFLECT_TRAITS_WITH_DECLTYPE
        template <bool use_get, typename T, typename Q>
        struct get_member_dispatch {           static bool get_member(T& variable, const std::string& target, Q& value) { 
                return get_member_impl(variable, target, value, reflection_traits<Q>()); } };
        template <typename T, typename Q>
        struct get_member_dispatch<true,T,Q> { static bool get_member(T& variable, const std::string& target, Q& value) { 
                return get_member_impl(variable, target, value, get_reflection_traits(value)); } };
}
 
 
template <typename T, typename Q>
bool get_member(T& variable, const std::string& target, Q& value)
{
        return compatibility::get_member_dispatch<reflection_traits_info<Q>::use_get,T,Q>::get_member(variable, target, value);
}
#endif
        }
}
 
#include <cgv/config/lib_end.h>