Factory.h

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/************************************************************************
* @file Factory.h
*
* @brief 创建工厂类
*
* @details 创建工厂类
*
* @author wukx
*
* @version  v1.0
*
* @date  2016.9.29
*
* @license 北京华科软科技有限公司
*
*************************************************************************/
 
#ifndef BIMHOMEBASE_FACTORY_H
#define BIMHOMEBASE_FACTORY_H
 
#include <list>
#include <map>
#include <string>
#ifndef BH_GLOBAL_H
#include <BHGlobal.h>
#endif
 
 
namespace Base
{
 
    class BaseExport AbstractProducer
    {
    public:
        AbstractProducer() {}
        virtual ~AbstractProducer() {}
        virtual void* Produce() const = 0;
    };
 
    class BaseExport Factory
    {
    public:
        void AddProducer(const char* sClassName, AbstractProducer* pcProducer);
        bool CanProduce(const char* sClassName) const;
 
        std::list<std::string> CanProduce() const;
 
    protected:
        Factory() {}
        virtual ~Factory();
 
        void* Produce(const char* sClassName) const;
 
    protected:
        std::map<const std::string, AbstractProducer*> _mpcProducers; 
    };
 
    // --------------------------------------------------------------------
 
    class BaseExport ScriptFactorySingleton : public Factory
    {
    public:
        static ScriptFactorySingleton& Instance();
        static void Destruct();
        const char* ProduceScript(const char* sScriptName) const;
 
    private:
        ScriptFactorySingleton() {}
        ~ScriptFactorySingleton() {}
 
    private:
        static ScriptFactorySingleton* _pcSingleton;
    };
 
    inline ScriptFactorySingleton& ScriptFactory()
    {
        return ScriptFactorySingleton::Instance();
    }
 
    // --------------------------------------------------------------------
 
    class BaseExport ScriptProducer : public AbstractProducer
    {
    public:
        ScriptProducer(const char* name, const char* script) : mScript(script)
        {
            ScriptFactorySingleton::Instance().AddProducer(name, this);
        }
 
        virtual ~ScriptProducer() {}
        virtual void* Produce() const
        {
            return const_cast<char*>(mScript);
        }
 
    private:
        const char* mScript;
    };
 
} //namespace Base
 
 
#endif //BIMHOMEBASE_FACTORY_H