420 lines
14 KiB
C++
420 lines
14 KiB
C++
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//+---------------------------------------------------------------------------
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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: Strings.hxx
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//
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// Contents: Fast (hashed) access to paths for downlevel ci.
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//
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// History: 09-Mar-92 BartoszM Created
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// 15-Mar-93 BartoszM Converted to memory mapped streams
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// 03-Jan-96 KyleP Integrate with property cache
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <prpstmgr.hxx>
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#include <propobj.hxx>
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#include <smatch.hxx>
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#include "pershash.hxx"
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#include "vmap.hxx"
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class CiCat;
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class CCompositePropRecord;
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#define SEEN_NOT 0
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#define SEEN_YES 1
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#define SEEN_NEW 2
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#define SEEN_IGNORE 3
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#define SEEN_MASK 3
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#define SEEN_BITS 2
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#define SEEN_PER_BYTE 4
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inline void SET_SEEN( CDynArrayInPlace<BYTE> * parray, WORKID wid, ULONG value )
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{
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(*parray)[wid/SEEN_PER_BYTE] &= ~(SEEN_MASK << ((wid % SEEN_PER_BYTE) * SEEN_BITS));
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(*parray)[wid/SEEN_PER_BYTE] |= value << ((wid % SEEN_PER_BYTE) * SEEN_BITS);
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}
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inline ULONG GET_SEEN( CDynArrayInPlace<BYTE> * parray, WORKID wid )
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{
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return ( (*parray)[wid/SEEN_PER_BYTE] >> ((wid % SEEN_PER_BYTE) * SEEN_BITS) ) & SEEN_MASK;
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}
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enum ESeenArrayType {eScansArray, eUsnsArray};
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//+-------------------------------------------------------------------------
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//
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// Class: CStrings
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//
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// Purpose: Provides for quick (hashed) lookup of strings
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//
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// History: 28-Dec-95 KyleP Created
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//
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// Notes: This class is a bit odd. In manages the hash table, but
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// does not control the memory used to store it. This strange
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// behaviour allows the hash table to be stored persistently.
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//
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//--------------------------------------------------------------------------
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class CStrings : public CPersHash
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{
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public:
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//
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// Two-phase construction.
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//
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CStrings( CPropStoreManager & PropStoreMgr, CiCat & cicat );
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void Abort() { _fAbort = TRUE; }
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virtual BOOL FastInit ( CiStorage * pStorage,ULONG version );
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virtual void LongInit ( ULONG version, BOOL fDirtyShutdown );
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virtual void Empty();
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//
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// Lookup
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//
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WORKID LokFind( WCHAR const * buf );
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inline WORKID LokFind( const CLowerFunnyPath & lcaseFunnyPath, BOOL fUsnVolume );
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BOOL Find( WORKID wid, FILETIME & ftLastSeen );
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unsigned Find( WORKID wid, XGrowable<WCHAR> & xBuf );
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unsigned Find( CCompositePropRecord & PropRec, XGrowable<WCHAR> & xBuf );
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unsigned Find( WORKID wid, CFunnyPath & funnyPath );
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unsigned Find( CCompositePropRecord & PropRec, CFunnyPath & funnyPath );
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unsigned Find( WORKID wid, CLowerFunnyPath & lcaseFunnyPath );
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unsigned Find( CCompositePropRecord & PropRec, CLowerFunnyPath & lcaseFunnyPath );
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//
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// Modification
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//
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WORKID LokAdd( WCHAR const * pwcPath,
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FILEID fileId,
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BOOL fUsnVolume,
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WORKID widParent,
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ULONG ulAttrib = 0,
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FILETIME const * pftLastWrite = 0 );
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void LokDelete( WCHAR const * pwcPath, // Note: Has to be lowercase
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WORKID wid,
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BOOL fDisableDeletionCheck=FALSE,
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BOOL fUsnVolume = FALSE );
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void LokRenameFile( const WCHAR * pwcsOldFileName,
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const WCHAR * pwcsNewFileName,
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WORKID wid,
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ULONG ulFileAttrib,
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VOLUMEID volumeId,
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WORKID widParent = widInvalid );
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//
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// 'Seen' processing.
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//
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void BeginSeen( WCHAR const * pwcsRoot,
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CMutexSem & mutex,
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ESeenArrayType eType );
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inline void LokEndSeen( ESeenArrayType eType );
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inline void LokSetSeen ( WORKID wid, ESeenArrayType eType );
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inline BOOL LokNotSeen(WORKID wid, ESeenArrayType eType);
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inline BOOL LokSeenNew(WORKID wid, ESeenArrayType eType);
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//
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// Virtual path changes.
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//
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BOOL AddVirtualScope( WCHAR const * vroot,
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WCHAR const * root,
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BOOL fAutomatic = FALSE,
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CiVRootTypeEnum eType = W3VRoot,
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BOOL fVRoot = FALSE,
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BOOL fIsIndexed = FALSE );
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BOOL RemoveVirtualScope( WCHAR const * vroot,
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BOOL fOnlyIfAutomatic,
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CiVRootTypeEnum eType,
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BOOL fVRoot,
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BOOL fForceVPathFixing );
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unsigned FindVirtual( WORKID wid, unsigned cSkip, XGrowable<WCHAR> & xBuf );
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unsigned FindVirtual( CCompositePropRecord & PropRec, unsigned cSkip, XGrowable<WCHAR> & xBuf );
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inline BOOL VirtualToPhysicalRoot( WCHAR const * pwcVRoot,
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unsigned ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot );
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inline BOOL VirtualToPhysicalRoot( WCHAR const * pwcVPath,
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unsigned ccVPath,
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XGrowable<WCHAR> & xwcsVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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unsigned & iBmk );
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inline BOOL VirtualToAllPhysicalRoots( WCHAR const * pwcVPath,
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unsigned ccVPath,
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XGrowable<WCHAR> & xwcsVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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ULONG & ulType,
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unsigned & iBmk );
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inline ULONG EnumerateVRoot( XGrowable<WCHAR> & xwcVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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unsigned & iBmk );
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BOOL DoesPhysicalRootExist( WCHAR const * pwcPRoot )
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{
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return _vmap.DoesPhysicalRootExist( pwcPRoot );
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}
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#ifdef CI_USE_JET
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//
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// To allocate a free workid
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//
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WORKID AllocWorkid( WCHAR const * pwszPath = 0 ); // virtual method of PWidGenerator
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#endif // CI_USE_JET
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private:
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WORKID LokParentWorkId( WCHAR const *pwcsFileName, BOOL fUsnVolume );
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static unsigned HashFun ( WCHAR const * str );
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void ReVirtualize();
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void _Find( CCompositePropRecord & PropRec, WCHAR * buf, unsigned & cc );
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//
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// Error recovery.
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//
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virtual BOOL ReInit( ULONG version );
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virtual void HashAll();
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CDynArrayInPlace<BYTE> _afSeenScans; // 'Seen' bytes for scans
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CDynArrayInPlace<BYTE> _afSeenUsns; // 'Seen' bytes for usns
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FILETIME _ftSeen; // Start of current 'seen' processing.
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CVMap _vmap; // Virtual/Physical path map
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CiCat & _cicat; // Catalog
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CStrings::LokEndSeen, public
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//
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// Synopsis: Complete the 'seen' process.
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//
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// Arguments: [eType] -- Seen array type
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//
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// History: 11-Jan-96 KyleP Added header.
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//
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//----------------------------------------------------------------------------
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inline void CStrings::LokEndSeen( ESeenArrayType eType )
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{
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ciDebugOut(( DEB_ITRACE, "EndSeen 0x%x\n", eType ));
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if ( eScansArray == eType )
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{
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_afSeenScans.Clear();
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FILETIME * pft = (FILETIME *)_pStreamHash->Get();
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*pft = _ftSeen;
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}
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else
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{
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_afSeenUsns.Clear();
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}
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} //LokEndSeen
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//+---------------------------------------------------------------------------
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//
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// Member: CStrings::LokSetSeen, public
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//
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// Synopsis: Mark a workid as seen.
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//
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// Arguments: [wid] -- Workid
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// [eType] -- Seen array type
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//
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// History: 11-Jan-96 KyleP Added header.
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//
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//----------------------------------------------------------------------------
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inline void CStrings::LokSetSeen( WORKID wid, ESeenArrayType eType )
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{
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Win4Assert( wid != widInvalid );
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CDynArrayInPlace<BYTE> *pafSeen;
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if ( eType == eScansArray )
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pafSeen = &_afSeenScans;
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else
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pafSeen = &_afSeenUsns;
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if ( 0 != pafSeen->Size() )
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SET_SEEN( pafSeen, wid, SEEN_YES );
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} //LokSetSeen
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//+---------------------------------------------------------------------------
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//
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// Member: CStrings::LokNotSeen, public
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//
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// Arguments: [wid] -- Workid
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// [eType] -- Seen array type
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//
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// Returns: TRUE if [wid] has not been seen.
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//
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// History: 11-Jan-96 KyleP Added header.
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//
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//----------------------------------------------------------------------------
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inline BOOL CStrings::LokNotSeen( WORKID wid, ESeenArrayType eType )
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{
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Win4Assert( wid != widInvalid );
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CDynArrayInPlace<BYTE> *pafSeen;
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if ( eType == eScansArray )
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pafSeen = &_afSeenScans;
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else
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pafSeen = &_afSeenUsns;
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Win4Assert( 0 != pafSeen->Size() );
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if ( _fAbort )
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THROW( CException(STATUS_TOO_LATE) );
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return GET_SEEN( pafSeen, wid ) == SEEN_NOT;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CStrings::LokSeenNew, public
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//
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// Arguments: [wid] -- Workid
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// [eType] -- Seen array type
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//
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// Returns: TRUE if [wid] is new (added since beginning of seen processing)
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//
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// History: 11-Jan-96 KyleP Added header.
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//
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//----------------------------------------------------------------------------
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inline BOOL CStrings::LokSeenNew(WORKID wid, ESeenArrayType eType )
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{
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Win4Assert( wid != widInvalid );
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CDynArrayInPlace<BYTE> *pafSeen;
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if ( eType == eScansArray )
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pafSeen = &_afSeenScans;
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else
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pafSeen = &_afSeenUsns;
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Win4Assert( 0 != pafSeen->Size() );
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if ( _fAbort )
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THROW( CException(STATUS_TOO_LATE) );
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return GET_SEEN( pafSeen, wid ) == SEEN_NEW;
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}
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inline BOOL CStrings::VirtualToPhysicalRoot( WCHAR const * pwcVRoot,
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unsigned ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot )
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{
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return _vmap.VirtualToPhysicalRoot( pwcVRoot,
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ccVRoot,
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lcaseFunnyPRoot,
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ccPRoot );
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}
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inline BOOL CStrings::VirtualToPhysicalRoot( WCHAR const * pwcVPath,
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unsigned ccVPath,
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XGrowable<WCHAR> & xwcsVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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unsigned & iBmk )
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{
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return _vmap.VirtualToPhysicalRoot( pwcVPath,
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ccVPath,
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xwcsVRoot,
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ccVRoot,
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lcaseFunnyPRoot,
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ccPRoot,
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iBmk );
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}
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inline BOOL CStrings::VirtualToAllPhysicalRoots( WCHAR const * pwcVPath,
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unsigned ccVPath,
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XGrowable<WCHAR> & xwcsVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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ULONG & ulType,
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unsigned & iBmk )
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{
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return _vmap.VirtualToAllPhysicalRoots( pwcVPath,
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ccVPath,
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xwcsVRoot,
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ccVRoot,
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lcaseFunnyPRoot,
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ccPRoot,
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ulType,
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iBmk );
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}
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inline ULONG CStrings::EnumerateVRoot( XGrowable<WCHAR> & xwcVRoot,
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unsigned & ccVRoot,
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CLowerFunnyPath & lcaseFunnyPRoot,
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unsigned & ccPRoot,
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unsigned & iBmk )
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{
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return _vmap.EnumerateRoot( xwcVRoot,
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ccVRoot,
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lcaseFunnyPRoot,
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ccPRoot,
|
||
|
|
iBmk );
|
||
|
|
}
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Member: CStrings::FindVirtual, private
|
||
|
|
//
|
||
|
|
// Synopsis: Given workid, find virtual path.
|
||
|
|
//
|
||
|
|
// Arguments: [wid] -- Workid to locate
|
||
|
|
// [cSkip] -- Count of paths to skip.
|
||
|
|
// [buf] -- String returned here
|
||
|
|
// [cc] -- On input: size in WCHARs of [buf]. On output,
|
||
|
|
// size required or 0 if string not found.
|
||
|
|
//
|
||
|
|
// History: 07-Feb-96 KyleP Created.
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
inline unsigned CStrings::FindVirtual( WORKID wid, unsigned cSkip, XGrowable<WCHAR> & xBuf )
|
||
|
|
{
|
||
|
|
CCompositePropRecord PropRec( wid, _PropStoreMgr );
|
||
|
|
|
||
|
|
return FindVirtual( PropRec, cSkip, xBuf );
|
||
|
|
}
|
||
|
|
|
||
|
|
|