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csutil/dataobj.h

00001 /*
00002     Copyright (C) 1998 by Jorrit Tyberghein
00003     csObject library (C) 1999 by Ivan Avramovic <ivan@avramovic.com>
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00020 #ifndef __CS_DATAOBJ_H_
00021 #define __CS_DATAOBJ_H_
00022 
00023 #include "csobject.h"
00024 
00032 class csDataObject : public csObject
00033 {
00034 protected:
00036   void* data;
00037 
00038 public:
00040   csDataObject (void *d) : csObject (), data (d)
00041   {
00042     SCF_CONSTRUCT_IBASE (0);
00043     SCF_CONSTRUCT_EMBEDDED_IBASE (scfiDataObject);
00044   }
00046   ~csDataObject ()
00047   {
00048     SCF_DESTRUCT_EMBEDDED_IBASE (scfiDataObject);
00049     SCF_DESTRUCT_IBASE ();
00050   }
00052   void* GetData () const
00053   { return data; }
00057   static void* GetData (iObject* obj)
00058   {
00059     csRef<iDataObject> d (CS_GET_CHILD_OBJECT (obj, iDataObject));
00060     void *res = (d ? d->GetData () : 0);
00061     return res;
00062   }
00063 
00064   SCF_DECLARE_IBASE_EXT (csObject);
00065 
00067   struct DataObject : public iDataObject
00068   {
00069     SCF_DECLARE_EMBEDDED_IBASE (csDataObject);
00070 
00071     virtual iObject* QueryObject ()
00072     { return scfParent; }
00073     virtual void* GetData ()
00074     { return scfParent->GetData (); }
00075   } scfiDataObject;
00076 };
00077 
00078 #endif // __CS_DATAOBJ_H__

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