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CAFPlugin.h

00001 /* -*- mode: c++ -*- 
00002 */
00003 /* 
00004 
00005     GIFT, a flexible content based image retrieval system.
00006     Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
00007 
00008     This program is free software; you can redistribute it and/or modify
00009     it under the terms of the GNU General Public License as published by
00010     the Free Software Foundation; either version 2 of the License, or
00011     (at your option) any later version.
00012 
00013     This program is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016     GNU General Public License for more details.
00017 
00018     You should have received a copy of the GNU General Public License
00019     along with this program; if not, write to the Free Software
00020     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00021 
00022 */
00023 // -*- mode: c++ -*-
00024 #ifndef _CACCESSORPLUGIN
00025 #define _CACCESSORPLUGIN
00026 #include "libMRML/include/uses-declarations.h"
00027 #include <sys/types.h> // reading a directory
00028 #include <dirent.h>    // reading a directory
00029 #include <dlfcn.h>     // dynamic linking 
00030 
00031 #include <iostream>    // screen output
00032 #include <string>
00033 #include <map>
00034 
00035 #include "libMRML/include/CAccessor.h"
00036 #include "libMRML/include/CXMLElement.h"
00037 #include "libMRML/include/CAccessorFactory.h"
00038 
00039 class CAFPlugin:public CAccessorFactory{
00040 protected:
00042   void*   mDlOpenHandle;
00044   string  mName;
00046   CAccessor* (*mMakeAccessor)(const CXMLElement&);
00048   char*  (*mGetName)(void);
00050   bool mIsSane;
00051 public:
00052 
00062   CAccessor* makeAccessor(const CXMLElement&)const;
00064   char* getName();
00066   CAFPlugin(string,string);
00068   CAFPlugin(CAFPlugin&);
00070   ~CAFPlugin();
00072   bool isSane()const;
00074   void registerFactory(CAccessorFactoryContainer& outContainer);
00075 
00076 };
00077 
00078 #endif

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