/usr/include/crystalspace-2.0/csutil/vfscache.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /*
Copyright (C) 2002 by Jorrit Tyberghein
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_UTIL_VFSCACHE_H__
#define __CS_UTIL_VFSCACHE_H__
/**\file
* VFS Cache Manager
*/
#include "csextern.h"
#include "iutil/cache.h"
#include "csutil/csstring.h"
#include "csutil/scf_implementation.h"
struct iObjectRegistry;
struct iVFS;
/**
* This is a general cache that can cache data on VFS.
*/
class CS_CRYSTALSPACE_EXPORT csVfsCacheManager :
public scfImplementation1<csVfsCacheManager, iCacheManager>
{
private:
iObjectRegistry* object_reg;
char* vfsdir;
csRef<iVFS> vfs;
csString current_type;
csString current_scope;
bool readonly;
iVFS* GetVFS ();
void CacheName (csStringFast<512>& buf, const char* type, const char* scope,
uint32 id);
void RecursiveDelete (const char* fn);
public:
/**
* Construct the cache manager with the given directory.
* All cached data will be put somewhere in that directory.
*/
csVfsCacheManager (iObjectRegistry* object_reg, const char* vfsdir);
virtual ~csVfsCacheManager ();
virtual void SetReadOnly (bool ro) { readonly = ro; }
virtual bool IsReadOnly () const { return readonly; }
/**
* Set current type.
*/
virtual void SetCurrentType (const char* type);
/**
* Get current type or 0 if none set.
*/
virtual const char* GetCurrentType () const { return current_type; }
/**
* Set current scope.
*/
virtual void SetCurrentScope (const char* scope);
/**
* Get current scope or 0 if none set.
*/
virtual const char* GetCurrentScope () const { return current_scope; }
/**
* Cache some data. Returns true if this succeeded.
*/
virtual bool CacheData (const void* data, size_t size,
const char* type, const char* scope, uint32 id);
/**
* Retrieve some data from the cache. Returns 0 if the
* data could not be found in the cache.
*/
virtual csPtr<iDataBuffer> ReadCache (const char* type, const char* scope,
uint32 id);
/**
* Clear items from the cache.
*/
virtual bool ClearCache (const char* type = 0, const char* scope = 0,
const uint32* id = 0);
/**
* Flush VFS.
*/
virtual void Flush ();
};
#endif // __CS_UTIL_VFSCACHE_H__
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