ResourceLoader.hpp

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//
// Thor C++ Library
// Copyright (c) 2011-2016 Jan Haller
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would be
//    appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//


#ifndef THOR_RESOURCELOADER_HPP
#define THOR_RESOURCELOADER_HPP

#include <Thor/Config.hpp>

#include <functional>
#include <memory>
#include <string>


namespace thor
{


template <class R>
class ResourceLoader
{
    // ---------------------------------------------------------------------------------------------------------------------------
    // Public types
    public:
        typedef std::function< std::unique_ptr<R>() > Loader;


    // ---------------------------------------------------------------------------------------------------------------------------
    // Public member functions
    public:
                                    ResourceLoader(std::function< std::unique_ptr<R>() > loader, std::string id)
        : mLoader(std::move(loader))
        , mId(std::move(id))
        {
        }

        std::unique_ptr<R>          load() const
        {
            return mLoader();
        }

        std::string                 getInfo() const
        {
            return mId;
        }


    // ---------------------------------------------------------------------------------------------------------------------------
    // Private variables
    private:
        Loader                      mLoader;
        std::string                 mId;
};


} // namespace thor

#endif // THOR_RESOURCELOADER_HPP