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/csstring.h"
00028 #include "csutil/parray.h"
00029 #include "csutil/ref.h"
00030 #include "csutil/scf.h"
00031 #include "csutil/util.h"
00032 
00033 struct iConfigFile;
00034 struct iCommandLineParser;
00035 struct iObjectRegistry;
00036 
00041 class CS_CRYSTALSPACE_EXPORT csPluginLoader
00042 {
00043 private:
00044   // The object registry.
00045   iObjectRegistry* object_reg;
00046   
00047   struct csPluginLoadRec
00048   {
00049     csString Tag;
00050     csString ClassID;
00051     csRef<iBase> plugin;
00052   
00053     csPluginLoadRec (const char* iTag, const char* iClassID)
00054     : Tag (iTag), ClassID (iClassID) {}
00055   };
00056   // Requested plugins.
00057   csPDelArray<csPluginLoadRec> requested_plugins;
00058 
00059 public:
00061   csPluginLoader (iObjectRegistry* object_reg);
00063   virtual ~csPluginLoader ();
00064 
00071   void RequestPlugin (const char* pluginName, const char* tagName);
00072 
00081   bool ReplaceRequestedPlugin (const char* pluginName, const char* tagName);
00082   
00089   void AddConfigurationPlugins (iConfigFile* config, const char* prefix);
00090   
00097   void AddCommandLinePlugins (iCommandLineParser* commandLine);
00098 
00100   bool LoadPlugins ();
00101 };
00102 
00103 #endif // __CS_PLUGLDR_H__
00104 

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