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objreg.h

00001 /*
00002     Copyright (C) 2001 by Jorrit Tyberghein
00003   
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008   
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013   
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __IUTIL_OBJREG_H__
00020 #define __IUTIL_OBJREG_H__
00021 
00022 #include "csutil/scf.h"
00023 
00024 #define CS_QUERY_REGISTRY_TAG(Reg,Tag)                  \
00025   ((Reg)->Get (Tag))
00026 #define CS_QUERY_REGISTRY(Reg,Interface)                \
00027   (Interface*)((Reg)->Get (#Interface, iSCF::SCF->GetInterfaceID (#Interface), \
00028         VERSION_##Interface))
00029 
00030 struct iObjectRegistryIterator;
00031 
00032 SCF_VERSION (iObjectRegistry, 0, 0, 4);
00033 
00037 struct iObjectRegistry : public iBase
00038 {
00042   virtual void Clear () = 0;
00043 
00056   virtual bool Register (iBase*, char const* tag = NULL) = 0;
00057 
00065   virtual void Unregister (iBase*, char const* tag = NULL) = 0;
00066 
00071   virtual iBase* Get (char const* tag) = 0;
00072 
00080   virtual iBase* Get (char const* tag, scfInterfaceID id, int version) = 0;
00081 
00085   virtual iObjectRegistryIterator* Get (scfInterfaceID id, int version) = 0;
00086 
00090   virtual iObjectRegistryIterator* Get () = 0;
00091 };
00092 
00093 SCF_VERSION (iObjectRegistryIterator, 0, 0, 1);
00094 
00099 struct iObjectRegistryIterator : public iBase
00100 {
00105   virtual bool Restart () = 0;
00106 
00110   virtual iBase* GetCurrent () = 0;
00111 
00115   virtual const char* GetCurrentTag () = 0;
00116 
00120   virtual bool Next () = 0;
00121 };
00122 
00123 #endif
00124 

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