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#pragma once
/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "IDirectory.h"
#include "Directory.h"
#include "threads/CriticalSection.h"
#include <map>
#include <set>
class CFileItem;
namespace XFILE
{
class CDirectoryCache
{
class CDir
{
public:
CDir(DIR_CACHE_TYPE cacheType);
virtual ~CDir();
void SetLastAccess(unsigned int &accessCounter);
unsigned int GetLastAccess() const { return m_lastAccess; };
CFileItemList* m_Items;
DIR_CACHE_TYPE m_cacheType;
private:
unsigned int m_lastAccess;
};
public:
CDirectoryCache(void);
virtual ~CDirectoryCache(void);
bool GetDirectory(const std::string& strPath, CFileItemList &items, bool retrieveAll = false);
void SetDirectory(const std::string& strPath, const CFileItemList &items, DIR_CACHE_TYPE cacheType);
void ClearDirectory(const std::string& strPath);
void ClearFile(const std::string& strFile);
void ClearSubPaths(const std::string& strPath);
void Clear();
void AddFile(const std::string& strFile);
bool FileExists(const std::string& strPath, bool& bInCache);
#ifdef _DEBUG
void PrintStats() const;
#endif
protected:
void InitCache(std::set<std::string>& dirs);
void ClearCache(std::set<std::string>& dirs);
void CheckIfFull();
std::map<std::string, CDir*> m_cache;
typedef std::map<std::string, CDir*>::iterator iCache;
typedef std::map<std::string, CDir*>::const_iterator ciCache;
void Delete(iCache i);
CCriticalSection m_cs;
unsigned int m_accessCounter;
#ifdef _DEBUG
unsigned int m_cacheHits;
unsigned int m_cacheMisses;
#endif
};
}
extern XFILE::CDirectoryCache g_directoryCache;
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