/
GFactory.h
58 lines (52 loc) · 1.12 KB
/
GFactory.h
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#pragma once
template<typename T>
class GFactory
{
public:
typedef T* ( *ObjCrator ) ();
typedef CXMap<uString, ObjCrator> ObjCreatorMap;
//GFactory ( void );
virtual ~GFactory ( void )
{
}
T* create ( const char* typeName )
{
ObjCrator creator = getCreator ( typeName );
CXASSERT_RETURN_FALSE ( creator );
return creator();
}
void registerCreator ( const char* typeName, ObjCrator creator )
{
if ( mCreatorMap.find ( typeName ) == mCreatorMap.end() )
{
mCreatorMap.Insert ( typeName, creator );
}
else
{
CXASSERT ( 0 );
}
}
ObjCrator getCreator ( const char* typeName )
{
ObjCrator creator = 0;
CXASSERT_RETURN_FALSE ( mCreatorMap.Get ( typeName, creator ) );
return creator;
}
const ObjCreatorMap& getCreators() const
{
return mCreatorMap;
}
protected:
ObjCreatorMap mCreatorMap;
};
#define __RegisterCreator(className)\
registerCreator(#className,className::CreateNode);
#define DeclareNodeCreator(className) \
public:\
static GNode* CreateNode() \
{\
return new className();\
}
#define DeclareEditorType(className) \
DeclareCategoryName(className)\
DeclareNodeCreator(className)\