MyGUI_FactoryManager.cpp

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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)
 */
 
#include "MyGUI_Precompiled.h"
#include "MyGUI_FactoryManager.h"
#include "MyGUI_BackwardCompatibility.h"
 
namespace MyGUI
{
 
    MYGUI_SINGLETON_DEFINITION(FactoryManager);
 
    FactoryManager::FactoryManager() :
        mSingletonHolder(this)
    {
    }
 
    void FactoryManager::initialise()
    {
        MYGUI_ASSERT(!mIsInitialise, getClassTypeName() << " initialised twice");
        MYGUI_LOG(Info, "* Initialise: " << getClassTypeName());
 
        MYGUI_LOG(Info, getClassTypeName() << " successfully initialized");
        mIsInitialise = true;
    }
 
    void FactoryManager::shutdown()
    {
        MYGUI_ASSERT(mIsInitialise, getClassTypeName() << " is not initialised");
        MYGUI_LOG(Info, "* Shutdown: " << getClassTypeName());
 
        MYGUI_LOG(Info, getClassTypeName() << " successfully shutdown");
        mIsInitialise = false;
    }
 
    void FactoryManager::registerFactory(
        std::string_view _category,
        std::string_view _type,
        Delegate::IDelegate* _delegate)
    {
        //FIXME
        auto category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
            category = mRegisterFactoryItems.emplace(_category, MapFactoryItem()).first;
        auto type = category->second.find(_type);
        if (type == category->second.end())
            type = category->second.emplace(_type, Delegate()).first;
        type->second = _delegate;
    }
 
    void FactoryManager::unregisterFactory(std::string_view _category, std::string_view _type)
    {
        MapRegisterFactoryItem::iterator category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
        {
            return;
        }
        MapFactoryItem::iterator type = category->second.find(_type);
        if (type == category->second.end())
        {
            return;
        }
 
        category->second.erase(type);
    }
 
    void FactoryManager::unregisterFactory(std::string_view _category)
    {
        MapRegisterFactoryItem::iterator category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
        {
            return;
        }
        mRegisterFactoryItems.erase(category);
    }
 
    IObject* FactoryManager::createObject(std::string_view _category, std::string_view _type)
    {
        MapRegisterFactoryItem::iterator category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
        {
            return nullptr;
        }
 
        std::string_view typeName = BackwardCompatibility::getFactoryRename(_category, _type);
        MapFactoryItem::iterator type = category->second.find(typeName);
        if (type == category->second.end())
        {
            return nullptr;
        }
        if (type->second.empty())
        {
            return nullptr;
        }
 
        IObject* result = nullptr;
        type->second(result);
        return result;
    }
 
    void FactoryManager::destroyObject(IObject* _object)
    {
        delete _object;
 
        /*MapRegisterFactoryItem::iterator category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
        {
            return;
        }
        MapFactoryItem::iterator type = category->second.find(_type);
        if (type == category->second.end())
        {
            return;
        }
        if (type->second.empty())
        {
            return;
        }
 
        type->second(_object, nullptr, _version);*/
    }
 
    bool FactoryManager::isFactoryExist(std::string_view _category, std::string_view _type)
    {
        MapRegisterFactoryItem::iterator category = mRegisterFactoryItems.find(_category);
        if (category == mRegisterFactoryItems.end())
        {
            return false;
        }
        return category->second.find(_type) != category->second.end();
    }
 
} // namespace MyGUI