CrystalSpace

Public API Reference

csutil/plugldr.h

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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 
00026 #include "csextern.h"
00027 #include "csutil/parray.h"
00028 #include "csutil/ref.h"
00029 #include "csutil/scf.h"
00030 #include "csutil/util.h"
00031 
00032 struct iObjectRegistry;
00033 
00037 struct csPluginLoadRec
00038 {
00039   char* Tag;
00040   char* ClassID;
00041   csRef<iBase> plugin;
00042 
00043   csPluginLoadRec (const char* iTag, const char* iClassID)
00044   { Tag = csStrNew (iTag); ClassID = csStrNew (iClassID); }
00045   ~csPluginLoadRec ()
00046   { delete [] ClassID; delete [] Tag; }
00047 };
00048 
00052 class CS_CRYSTALSPACE_EXPORT csPluginList : public csPDelArray<csPluginLoadRec>
00053 {
00054 public:
00055   bool Sort (iObjectRegistry* object_reg);
00056 private:
00057   bool RecurseSort (iObjectRegistry*, size_t row, size_t* order, size_t* loop,
00058     bool *matrix);
00059 };
00060 
00065 class CS_CRYSTALSPACE_EXPORT csPluginLoader
00066 {
00067   friend class csPluginList;
00068 
00069 private:
00070   // The object registry.
00071   iObjectRegistry* object_reg;
00072   // Requested plugins.
00073   csPluginList requested_plugins;
00074 
00075 public:
00077   csPluginLoader (iObjectRegistry* object_reg);
00079   virtual ~csPluginLoader ();
00080 
00091   void RequestPlugin (const char* pluginName, const char* tagName);
00092 
00094   bool LoadPlugins ();
00095 };
00096 
00097 #endif // __CS_PLUGLDR_H__
00098 

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