Resources/ResourceLoader.hpp
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00001 
00002 //
00003 // Thor C++ Library
00004 // Copyright (c) 2011-2015 Jan Haller
00005 // 
00006 // This software is provided 'as-is', without any express or implied
00007 // warranty. In no event will the authors be held liable for any damages
00008 // arising from the use of this software.
00009 // 
00010 // Permission is granted to anyone to use this software for any purpose,
00011 // including commercial applications, and to alter it and redistribute it
00012 // freely, subject to the following restrictions:
00013 // 
00014 // 1. The origin of this software must not be misrepresented; you must not
00015 //    claim that you wrote the original software. If you use this software
00016 //    in a product, an acknowledgment in the product documentation would be
00017 //    appreciated but is not required.
00018 // 
00019 // 2. Altered source versions must be plainly marked as such, and must not be
00020 //    misrepresented as being the original software.
00021 // 
00022 // 3. This notice may not be removed or altered from any source distribution.
00023 //
00025 
00028 
00029 #ifndef THOR_RESOURCELOADER_HPP
00030 #define THOR_RESOURCELOADER_HPP
00031 
00032 #include <Thor/Config.hpp>
00033 
00034 #include <functional>
00035 #include <memory>
00036 #include <string>
00037 
00038 
00039 namespace thor
00040 {
00041 
00044 
00047 template <class R>
00048 class ResourceLoader
00049 {
00050     // ---------------------------------------------------------------------------------------------------------------------------
00051     // Public types
00052     public:
00055         typedef std::function< std::unique_ptr<R>() > Loader;
00056 
00057 
00058     // ---------------------------------------------------------------------------------------------------------------------------
00059     // Public member functions
00060     public:
00066                                     ResourceLoader(std::function< std::unique_ptr<R>() > loader, std::string id)
00067         : mLoader(std::move(loader))
00068         , mId(std::move(id))
00069         {
00070         }
00071 
00074         std::unique_ptr<R>          load() const
00075         {
00076             return mLoader();
00077         }
00078 
00081         std::string                 getInfo() const
00082         {
00083             return mId;
00084         }
00085 
00086 
00087     // ---------------------------------------------------------------------------------------------------------------------------
00088     // Private variables
00089     private:
00090         Loader                      mLoader;
00091         std::string                 mId;
00092 };
00093 
00095 
00096 } // namespace thor
00097 
00098 #endif // THOR_RESOURCELOADER_HPP