windows-nt/Source/XPSP1/NT/shell/browseui/emclient/regdb.h
2020-09-26 16:20:57 +08:00

96 lines
2.8 KiB
C++

//*** CEMDBLog --
//
#define XXX_CACHE 1 // caching on
class CEMDBLog : public IUASession
{
public:
ULONG AddRef(void)
{
return InterlockedIncrement(&_cRef);
}
ULONG Release(void)
{
if (InterlockedDecrement(&_cRef))
return _cRef;
delete this;
return 0;
}
//*** THISCLASS
virtual HRESULT Initialize(HKEY hkey, DWORD grfMode);
HRESULT SetRoot(HKEY hkey, DWORD grfMode);
HRESULT ChDir(LPCTSTR pszSubKey);
// fast versions, no OLESTR nonsense
HRESULT QueryValueStr(LPCTSTR pszName, LPTSTR pszValue, LPDWORD pcbValue);
HRESULT SetValueStr(LPCTSTR pszName, LPCTSTR pszValue);
HRESULT SetValueStrEx(LPCTSTR pszName, DWORD dwType, LPCTSTR pszValue);
/*virtual HRESULT Initialize(HKEY hk, DWORD grfMode);*/
HRESULT QueryValue(LPCTSTR pszName, BYTE *pbData, LPDWORD pcbData);
HRESULT SetValue(LPCTSTR pszName, DWORD dwType, const BYTE *pbData, DWORD cbData);
HRESULT DeleteValue(LPCTSTR pszName);
HRESULT RmDir(LPCTSTR pszName, BOOL fRecurse);
HKEY GetHkey() { return _hkey; }
// IUASession
virtual void SetSession(UAQUANTUM uaq, BOOL fForce);
virtual int GetSessionId();
// THISCLASS
HRESULT GetCount(LPCTSTR pszCmd);
HRESULT IncCount(LPCTSTR pszCmd);
FILETIME GetFileTime(LPCTSTR pszCmd);
HRESULT SetCount(LPCTSTR pszCmd, int cCnt);
HRESULT SetFileTime(LPCTSTR pszCmd, const FILETIME *pft);
DWORD _SetFlags(DWORD dwMask, DWORD dwFlags);
HRESULT GarbageCollect(BOOL fForce);
protected:
CEMDBLog();
friend CEMDBLog *CEMDBLog_Create();
friend void CEMDBLog_CleanUp();
friend class CGCTask;
// THISCLASS helpers
HRESULT _GetCountWithDefault(LPCTSTR pszCmd, BOOL fDefault, CUACount *pCnt);
HRESULT _GetCountRW(LPCTSTR pszCmd, BOOL fUpdate);
static HRESULT s_Read(void *pvBuf, DWORD cbBuf, PNRWINFO prwi);
static HRESULT s_Write(void *pvBuf, DWORD cbBuf, PNRWINFO prwi);
static HRESULT s_Delete(void *pvBuf, DWORD cbBuf, PNRWINFO prwi);
#if XXX_CACHE
typedef enum e_cacheop { CO_READ=0, CO_WRITE=1, CO_DELETE=2, } CACHEOP;
HRESULT CacheOp(CACHEOP op, void *pvBuf, DWORD cbBuf, PNRWINFO prwi);
#endif
TCHAR *_MayEncrypt(LPCTSTR pszSrcPlain, LPTSTR pszDstEnc, int cchDst);
HRESULT IsDead(LPCTSTR pszCmd);
HRESULT _GarbageCollectSlow();
static FNNRW3 s_Nrw3Info;
#if XXX_CACHE
struct
{
UINT cbSize;
void* pv;
} _rgCache[2];
#endif
protected:
virtual ~CEMDBLog();
long _cRef;
HKEY _hkey;
int _grfMode; // read/write (subset of STGM_* values)
BITBOOL _fNoPurge : 1; // 1:...
BITBOOL _fBackup : 1; // 1:simulate delete (debug)
BITBOOL _fNoEncrypt : 1; // 1:...
BITBOOL _fNoDecay : 1; // 1:...
private:
};