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plugldr.h
00001 /* 00002 Copyright (C) 1998-2001 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 __CS_PLUGLDR_H__ 00020 #define __CS_PLUGLDR_H__ 00021 00022 #include "csextern.h" 00023 #include "csutil/parray.h" 00024 #include "csutil/ref.h" 00025 #include "csutil/scf.h" 00026 00027 struct iObjectRegistry; 00028 00032 struct csPluginLoadRec 00033 { 00034 char* Tag; 00035 char* ClassID; 00036 csRef<iBase> plugin; 00037 00038 csPluginLoadRec (const char* iTag, const char* iClassID) 00039 { Tag = csStrNew (iTag); ClassID = csStrNew (iClassID); } 00040 ~csPluginLoadRec () 00041 { delete [] ClassID; delete [] Tag; } 00042 }; 00043 00047 class CS_CRYSTALSPACE_EXPORT csPluginList : public csPDelArray<csPluginLoadRec> 00048 { 00049 public: 00050 bool Sort (iObjectRegistry* object_reg); 00051 private: 00052 bool RecurseSort (iObjectRegistry*, size_t row, size_t* order, size_t* loop, 00053 bool *matrix); 00054 }; 00055 00060 class CS_CRYSTALSPACE_EXPORT csPluginLoader 00061 { 00062 friend class csPluginList; 00063 00064 private: 00065 // The object registry. 00066 iObjectRegistry* object_reg; 00067 // Requested plugins. 00068 csPluginList requested_plugins; 00069 00070 public: 00072 csPluginLoader (iObjectRegistry* object_reg); 00074 virtual ~csPluginLoader (); 00075 00086 void RequestPlugin (const char* pluginName, const char* tagName); 00087 00089 bool LoadPlugins (); 00090 }; 00091 00092 #endif // __CS_PLUGLDR_H__ 00093
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