discoverable_feature_getter_iface.hpp

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//
// Copyright 2020 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
 
#pragma once
 
#include <uhd/exception.hpp>
#include <uhd/features/discoverable_feature.hpp>
#include <vector>
 
namespace uhd { namespace features {

class UHD_API discoverable_feature_getter_iface
{
public:
    virtual ~discoverable_feature_getter_iface() = default;

    template <typename T>
    T& get_feature()
    {
        auto p = get_feature_ptr(T::get_feature_id());
        UHD_ASSERT_THROW(p);
        auto typed_p = dynamic_cast<T*>(p.get());
        UHD_ASSERT_THROW(typed_p);
        return *typed_p;
    }

    template <typename T>
    bool has_feature()
    {
        return bool(get_feature_ptr(T::get_feature_id()));
    }

    virtual std::vector<std::string> enumerate_features() = 0;
 
private:
    virtual discoverable_feature::sptr get_feature_ptr(
        discoverable_feature::feature_id_t feature_id) = 0;
};
 
}} // namespace uhd::features