MyGUI_ResourceManager.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_RESOURCE_MANAGER_H_
#define MYGUI_RESOURCE_MANAGER_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Singleton.h"
#include "MyGUI_EventPair.h"
#include "MyGUI_Enumerator.h"
#include "MyGUI_XmlDocument.h"
#include "MyGUI_IResource.h"
#include "MyGUI_Delegate.h"
#include "MyGUI_BackwardCompatibility.h"
 
namespace MyGUI
{
 
    class MYGUI_EXPORT ResourceManager : public MemberObsolete<ResourceManager>
    {
        MYGUI_SINGLETON_DECLARATION(ResourceManager);
 
    public:
        ResourceManager();
 
        void initialise();
        void shutdown();
 
    public:
        bool load(const std::string& _file);
 
        void loadFromXmlNode(xml::ElementPtr _node, std::string_view _file, Version _version);
 
        void addResource(IResourcePtr _item);
 
        void removeResource(IResourcePtr _item);
 
        using LoadXmlDelegate = EventPairConvertStringView<
            delegates::Delegate<xml::ElementPtr, const std::string&, Version>,
            delegates::Delegate<xml::ElementPtr, std::string_view, Version>>;
 
        LoadXmlDelegate& registerLoadXmlDelegate(std::string_view _key);
 
        void unregisterLoadXmlDelegate(std::string_view _key);
 
        bool isExist(std::string_view _name) const;
 
        IResource* findByName(std::string_view _name) const;
 
        IResource* getByName(std::string_view _name, bool _throw = true) const;
 
        bool removeByName(std::string_view _name);
 
        void clear();
 
        using MapResource = std::map<std::string, IResource*, std::less<>>;
        using EnumeratorPtr = Enumerator<MapResource>;
 
        EnumeratorPtr getEnumerator() const;
 
        size_t getCount() const;
 
        const std::string& getCategoryName() const;
 
    private:
        void _loadList(xml::ElementPtr _node, std::string_view _file, Version _version);
        bool _loadImplement(const std::string& _file, bool _match, std::string_view _type, std::string_view _instance);
 
    private:
        // карта с делегатами для парсинга хмл блоков
        using MapLoadXmlDelegate = std::map<std::string, LoadXmlDelegate, std::less<>>;
        MapLoadXmlDelegate mMapLoadXmlDelegate;
 
        MapResource mResources;
 
        using VectorResource = std::vector<IResource*>;
        VectorResource mRemovedResources;
 
        bool mIsInitialise{false};
        std::string mCategoryName;
        std::string mXmlListTagName;
    };
 
} // namespace MyGUI
 
#endif // MYGUI_RESOURCE_MANAGER_H_