147 lines
4.3 KiB
C++
147 lines
4.3 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 - 2000.
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//
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// File: EBUFHDLR.HXX
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//
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// Contents: Class to manage entry buffers
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//
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// Classes: CEntryBufferHandler
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//
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// History: 18-Mar-93 AmyA Created.
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//
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//----------------------------------------------------------------------------
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#pragma once
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#ifdef DISPLAY_INCLUDES
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#pragma message( "#include <" __FILE__ ">..." )
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#endif
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#include <pfilter.hxx>
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#include <fdaemon.hxx>
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#include "entrybuf.hxx"
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class CKeyBuf;
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class CPidMapper;
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//+---------------------------------------------------------------------------
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//
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// Class: CEntryBufferHandler
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//
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// Purpose: To prepare keys in the CEntryBuffer for passing into the
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// volatile index
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//
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// History: 18-Mar-93 AmyA Created from portions of CWordList.
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//
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// Notes: This is where a call to the API to pass a pointer to a
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// CEntryBuffer to CWordlist goes.
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//
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//----------------------------------------------------------------------------
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class CEntryBufferHandler : INHERIT_UNWIND
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{
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DECLARE_UNWIND
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public:
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CEntryBufferHandler( ULONG cbMemory,
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BYTE * buffer,
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CFilterDaemon& fDaemon,
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CiProxy & ciProxy,
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CPidMapper & pidMap );
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void SetWid( WORKID wid );
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void AddEntry( const CKeyBuf & key, OCCURRENCE occ );
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void Done();
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void FlushBuffer();
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BOOL WordListFull() { return _wordListFull; }
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void Init();
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inline const ULONG GetFilteredBlockCount() const { return _cFilteredBlocks; }
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void InitFilteredBlockCount( ULONG ulMaxFilteredBlocks )
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{
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_cFilteredBlocks = 0;
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_ulMaxFilteredBlocks = ulMaxFilteredBlocks;
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}
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inline BOOL StoreValue( CFullPropSpec const & prop,
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CStorageVariant const & var );
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inline BOOL StoreSecurity( PSECURITY_DESCRIPTOR pSD, ULONG cbSD );
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private:
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ULONG _CurrentWidIndex; // Index of current workid.
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CEntryBuffer _entryBuf;
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BOOL _wordListFull; // set in FlushBuffer
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CFilterDaemon & _filterDaemon; // all wordlist calls go to this
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ULONG _cFilteredBlocks; // Number of filtered blocks through
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// this buffer
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ULONG _ulMaxFilteredBlocks; // Max number of blocks that can
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// be filtered thru this buffer
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};
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//+---------------------------------------------------------------------------
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//
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// Member: CEntryBufferHandler::StoreValue
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//
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// Synopsis: Store a property value.
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//
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// Arguments: [prop] -- Property descriptor
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// [var] -- Value
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//
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// Returns: TRUE if the property is in the schema
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//
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// History: 21-Dec-95 KyleP Created
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//
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//----------------------------------------------------------------------------
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inline BOOL CEntryBufferHandler::StoreValue( CFullPropSpec const & prop,
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CStorageVariant const & var )
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{
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BOOL fCanStore = TRUE; // err on the side of safety
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_filterDaemon.FilterStoreValue( _CurrentWidIndex,
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prop,
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var,
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fCanStore );
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return fCanStore;
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CEntryBufferHandler::StoreSecurity
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//
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// Synopsis: Store security information for a file.
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//
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// Arguments: [pSD] -- pointer to a security descriptor
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// [cbSD] -- size in bytes of pSD
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//
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// History: 07 Feb 96 AlanW Created
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//
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//----------------------------------------------------------------------------
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inline BOOL CEntryBufferHandler::StoreSecurity( PSECURITY_DESCRIPTOR pSD,
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ULONG cbSD )
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{
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BOOL fCanStore;
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_filterDaemon.FilterStoreSecurity( _CurrentWidIndex,
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pSD,
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cbSD,
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fCanStore );
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return fCanStore;
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}
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