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csutil/vfscache.h

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00001 /*
00002     Copyright (C) 2002 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_UTIL_VFSCACHE_H__
00020 #define __CS_UTIL_VFSCACHE_H__
00021 
00025 #include "csextern.h"
00026 #include "iutil/cache.h"
00027 
00028 struct iObjectRegistry;
00029 struct iVFS;
00030 
00034 class CS_CSUTIL_EXPORT csVfsCacheManager : public iCacheManager
00035 {
00036 private:
00037   iObjectRegistry* object_reg;
00038   char* vfsdir;
00039   char* current_type;
00040   char* current_scope;
00041   csRef<iVFS> vfs;
00042 
00043   iVFS* GetVFS ();
00044 
00045   void CacheName (char* buf, const char* type, const char* scope,
00046         uint32 id);
00047 
00048 public:
00053   csVfsCacheManager (iObjectRegistry* object_reg, const char* vfsdir);
00054 
00055   virtual ~csVfsCacheManager ();
00056 
00057   SCF_DECLARE_IBASE;
00058 
00062   virtual void SetCurrentType (const char* type);
00066   virtual const char* GetCurrentType () const { return current_type; }
00070   virtual void SetCurrentScope (const char* scope);
00074   virtual const char* GetCurrentScope () const { return current_scope; }
00078   virtual bool CacheData (void* data, uint32 size,
00079         const char* type, const char* scope, uint32 id);
00084   virtual csPtr<iDataBuffer> ReadCache (const char* type, const char* scope,
00085         uint32 id);
00089   virtual bool ClearCache (const char* type = 0, const char* scope = 0,
00090         const uint32* id = 0);
00091 };
00092 
00093 #endif // __CS_UTIL_VFSCACHE_H__
00094 

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