dynclass.cpp

来自「Linux下C++ plugin的实现技术和Helper」· C++ 代码 · 共 45 行

#include "dynclass.h"

extern "C"
{
    void * createByClassName(const char * strClassName)
    {
        return DYN_CREATE(strClassName);
    }
}

namespace DYN_CLASS
{
    CFactoryList * CFactoryList::_head = 0;

    void *Create( const char * class_name )
    {
        void * new_object = 0;
        const CFactoryList  * cur = CFactoryList::_head;

        for( ; cur ; cur = cur->m_next )
		{
			/* if class_name matched, object will then be created and returned */
            if( new_object = cur->m_item->Create(class_name) )
			{
                break;
			}
		}

        return new_object;
    }

	/* delete linkage from CFactoryList when some class factory destroyed */ 
    CFactoryList::~CFactoryList( void )
    {
        CFactoryList  ** m_nextp = &CFactoryList::_head;

        for( ; *m_nextp ; m_nextp = &(*m_nextp)->m_next )
            if( *m_nextp == this )
            {
                *m_nextp = (*m_nextp)->m_next;
                break;
            }
    }
}