59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Core module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_RESOURCELOADER_HPP
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#define NAZARA_RESOURCELOADER_HPP
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#include <Nazara/Core/Enums.hpp>
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#include <Nazara/Core/ObjectRef.hpp>
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#include <Nazara/Core/RefCounted.hpp>
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#include <Nazara/Core/Resource.hpp>
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#include <Nazara/Core/ResourceParameters.hpp>
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#include <Nazara/Core/String.hpp>
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#include <list>
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#include <tuple>
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#include <type_traits>
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namespace Nz
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{
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class Stream;
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template<typename Type, typename Parameters>
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class ResourceLoader
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{
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static_assert(std::is_base_of<ResourceParameters, Parameters>::value, "ResourceParameters must be a base of Parameters");
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friend Type;
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public:
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using ExtensionGetter = bool (*)(const String& extension);
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using FileLoader = ObjectRef<Type> (*)(const String& filePath, const Parameters& parameters);
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using MemoryLoader = ObjectRef<Type> (*)(const void* data, std::size_t size, const Parameters& parameters);
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using StreamChecker = Ternary (*)(Stream& stream, const Parameters& parameters);
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using StreamLoader = ObjectRef<Type> (*)(Stream& stream, const Parameters& parameters);
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ResourceLoader() = delete;
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~ResourceLoader() = delete;
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static bool IsExtensionSupported(const String& extension);
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static ObjectRef<Type> LoadFromFile(const String& filePath, const Parameters& parameters = Parameters());
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static ObjectRef<Type> LoadFromMemory(const void* data, std::size_t size, const Parameters& parameters = Parameters());
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static ObjectRef<Type> LoadFromStream(Stream& stream, const Parameters& parameters = Parameters());
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static void RegisterLoader(ExtensionGetter extensionGetter, StreamChecker checkFunc, StreamLoader streamLoader, FileLoader fileLoader = nullptr, MemoryLoader memoryLoader = nullptr);
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static void UnregisterLoader(ExtensionGetter extensionGetter, StreamChecker checkFunc, StreamLoader streamLoader, FileLoader fileLoader = nullptr, MemoryLoader memoryLoader = nullptr);
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private:
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using Loader = std::tuple<ExtensionGetter, StreamChecker, StreamLoader, FileLoader, MemoryLoader>;
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using LoaderList = std::list<Loader>;
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};
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}
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#include <Nazara/Core/ResourceLoader.inl>
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#endif // NAZARA_RESOURCELOADER_HPP
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