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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
00002  *
00003  * XPLC - Cross-Platform Lightweight Components
00004  * Copyright (C) 2002, Pierre Phaneuf
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public License
00008  * as published by the Free Software Foundation; either version 2.1 of
00009  * the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful, but
00012  * WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with this library; if not, write to the Free Software
00018  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00019  * USA
00020  *
00021  * As a special exception, you may use this file as part of a free
00022  * software library without restriction.  Specifically, if other files
00023  * instantiate templates or use macros or inline functions from this
00024  * file, or you compile this file and link it with other files to
00025  * produce an executable, this file does not by itself cause the
00026  * resulting executable to be covered by the GNU Lesser General Public
00027  * License.  This exception does not however invalidate any other
00028  * reasons why the executable file might be covered by the GNU Lesser
00029  * General Public License.
00030  */
00031 
00032 #include <xplc/utils.h>
00033 #include <xplc/uuidops.h>
00034 
00035 UUID_MAP_BEGIN(WeakRef)
00036   UUID_MAP_ENTRY(IObject)
00037   UUID_MAP_ENTRY(IWeakRef)
00038   UUID_MAP_END
00039 
00040 IObject* IObjectImplInternal::getInterface(void* self,
00041                                            const UUID& uuid,
00042                                            const UUID_Info* uuidlist) {
00043   IObject* rv;
00044 
00045   while(uuidlist->iid) {
00046     if(*(uuidlist->iid) == uuid) {
00047       rv = reinterpret_cast<IObject*>
00048         (reinterpret_cast<ptrdiff_t>(self) + uuidlist->delta);
00049       rv->addRef();
00050       return rv;
00051     }
00052     uuidlist++;
00053   }
00054 
00055   return 0;
00056 }
00057