154 lines
4.8 KiB
C++
154 lines
4.8 KiB
C++
//+------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1998.
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//
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// File: ciprop.hxx
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//
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// Contents: Content index property retriever
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//
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// Classes: CCiPropRetriever
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//-------------------------------------------------------------------
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#pragma once
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#include <propret.hxx>
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#include <twidhash.hxx>
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// maximum size for the hash table used to hold depth and in-scope
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// information for directories encountered as matches are tested to
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// see if they're in scope. The hash table
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// is seeded with the scopes for the query - and so will always
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// have the basic scope information. We stop adding to the hashtable
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// when it reaches this max size.
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const unsigned MAX_HASHED_DIRECTORIES = 700;
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//+---------------------------------------------------------------------------
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//
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// Class: CCiPropRetriever
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//
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// Purpose: Retrieves content index properties
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//
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// History: 12-Dec-96 SitaramR Created
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//
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//----------------------------------------------------------------------------
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class CCiPropRetriever : public CGenericPropRetriever
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{
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public:
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//
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// From CGenericPropRetriever
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//
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virtual SCODE STDMETHODCALLTYPE BeginPropertyRetrieval( WORKID wid );
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virtual SCODE STDMETHODCALLTYPE IsInScope( BOOL *pfInScope);
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virtual SCODE STDMETHODCALLTYPE EndPropertyRetrieval();
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//
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// Local methods
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//
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CCiPropRetriever( PCatalog & cat,
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ICiQueryPropertyMapper *pQueryPropMapper,
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CSecurityCache & secCache,
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BOOL fUsePathAlias,
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CRestriction * pScope );
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protected:
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virtual ~CCiPropRetriever() {}
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//
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// Stat properties.
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//
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inline UNICODE_STRING const * GetName();
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UNICODE_STRING const * GetShortName();
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UNICODE_STRING const * GetPath();
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UNICODE_STRING const * GetVirtualPath();
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LONGLONG CreateTime();
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LONGLONG ModifyTime();
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LONGLONG AccessTime();
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LONGLONG ObjectSize();
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ULONG Attributes();
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BOOL InScope( WORKID wid ); // Refresh path + test path
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inline void PurgeCachedInfo();
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UNICODE_STRING _Name; // Filename
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UNICODE_STRING _Path; // Full path sans filename
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UNICODE_STRING _VPath; // Full path sans filename
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private:
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BOOL Refresh( BOOL fFast ); // Refresh stat properties
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BOOL IsInScope( WORKID wid );
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void AddVirtualScopeRestriction( CScopeRestriction const & scp );
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void AddScopeRestriction( const CLowerFunnyPath & lcaseFunnyPhysPath,
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BOOL fIsDeep );
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unsigned FetchVPathInVScope( XGrowable<WCHAR> & xwcVPath,
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WCHAR const * pwcVScope,
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const unsigned cwcVScope,
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const BOOL fVScopeDeep );
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unsigned FetchVirtualPath( XGrowable<WCHAR> & xwcVPath );
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enum FastStat
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{
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fsCreate = 0x1,
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fsModify = 0x2,
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fsAccess = 0x4,
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fsSize = 0x8,
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fsAttrib = 0x10
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};
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BOOL FetchI8StatProp( CCiPropRetriever::FastStat fsProp,
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PROPID pid,
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LONGLONG * pDestination );
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BOOL _fFindLoaded:1; // True if finddata is loaded
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BOOL _fFastFindLoaded:1; // True if GetFileAttributesEx called
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ULONG _fFastStatLoaded; // Bit flags of loaded stat props
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ULONG _fFastStatNeverLoad;
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WIN32_FIND_DATA _finddata; // Stat buffer for current wid
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UNICODE_STRING _ShortName; // Filename
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CRestriction * _pScope;
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TWidHashTable<CDirWidHashEntry> _hTable; // hash table used to hold depth
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// and in-scope information for directories encountered as
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// matches are tested to see if they're in scope. The hash
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// table is seeded with the scopes for the query - and so
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// will always have the basic scope information.
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BOOL _fAllInScope; // TRUE if scope equals whole catalog
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BOOL _fNoneInScope; // TRUE if scope doesn't include any part of catalog
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BOOL _fAllScopesShallow; // TRUE if all scopes are shallow
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XGrowable<WCHAR> _xwcPath; // Buffer for path
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XGrowable<WCHAR> _xwcVPath; // Buffer for virtual path
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};
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inline void CCiPropRetriever::PurgeCachedInfo()
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{
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_fFindLoaded = FALSE;
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_fFastFindLoaded = FALSE;
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_fFastStatLoaded = 0;
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_fFastStatNeverLoad = 0;
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_Path.Length = flagNoValueYet;
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_VPath.Length = flagNoValueYet;
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_Name.Length = flagNoValueYet;
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}
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