741 lines
16 KiB
C++
741 lines
16 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: IRest.hxx
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//
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// Contents: Internal query restrictions
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//
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// Classes: CInternalPropertyRestriction
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// COccRestriction
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// CWordRestriction
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// CSynRestriction
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// CRangeRestriction
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// CUnfilteredRestriction
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// CScopeRestriction
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// CPhraseRestriction
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//
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// History: 19-Sep-91 BartoszM Implemented.
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// 30-Nov-92 KyleP Removed CPhraseXpr
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//
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//----------------------------------------------------------------------------
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#pragma once
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DECLARE_SMARTP( Restriction )
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DECLARE_SMARTP( NodeRestriction )
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DECLARE_SMARTP( NotRestriction )
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#define INIT_PHRASE_WORDS 4
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#if CIDBG == 1
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void Display( CRestriction * pxp, int indent, ULONG infolevel );
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#endif // DBG == 1
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//
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// Internal node types
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//
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int const RTWord = 0xffffffff;
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int const RTSynonym = 0xfffffffe;
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int const RTPhrase = 0xfffffffd;
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int const RTRange = 0xfffffffc;
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int const RTIndexedProp = 0xfffffffb;
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int const RTInternalProp = 0xfffffffa;
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const ULONG RTScope = 9; // moved from querys.idl
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// This is a helper function for unmarshalling a wide string from a stream.
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// This can't be in memdeser since it calls CoTaskMemAlloc, which isn't
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// available in ntdll.dll
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WCHAR * UnMarshallWideString( PDeSerStream & stm );
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WCHAR * UnMarshallWideStringNew( PDeSerStream & stm );
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BOOL ValidateScopeRestriction( CRestriction * prestScope );
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//+-------------------------------------------------------------------------
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//
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// Class: CInternalPropertyRestriction
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//
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// Purpose: Property <relop> constant restriction
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//
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// History: 21-Jan-92 KyleP Created
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//
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// Notes: Identical to CPropertyRestriction except the Property
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// name string is replaced with a pid.
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//
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//--------------------------------------------------------------------------
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class CInternalPropertyRestriction : public CRestriction
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{
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public:
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//
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// Constructors
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//
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inline CInternalPropertyRestriction();
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CInternalPropertyRestriction( ULONG relop,
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PROPID pid,
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CStorageVariant const & prval,
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CRestriction * pcrstHelper = 0 );
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CInternalPropertyRestriction( CInternalPropertyRestriction const & intPropRst );
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CInternalPropertyRestriction *Clone() const;
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//
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// Destructor
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//
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~CInternalPropertyRestriction();
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//
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// Validity check
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//
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inline BOOL IsValid() const;
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//
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// Serialization
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//
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void Marshall( PSerStream & stm ) const;
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CInternalPropertyRestriction( ULONG ulWeight, PDeSerStream & stm );
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//
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// Member variable access
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//
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inline void SetRelation( ULONG relop );
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inline ULONG Relation() const;
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inline void SetPid( PROPID pid );
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inline PROPID Pid() const;
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inline void SetValue( double dValue );
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inline void SetValue( ULONG ulValue );
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inline void SetValue( LONG lValue );
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inline void SetValue( BOOL fValue );
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inline void SetValue( FILETIME ftValue );
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void SetValue( BLOB & bValue );
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void SetValue( GUID & guidValue );
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void SetValue( WCHAR * pwcsValue );
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inline CStorageVariant const & Value() const;
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//
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// A content helper is a content index restriction that
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// may help to resolve the property restriction.
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//
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inline CRestriction * GetContentHelper() const;
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inline CRestriction * AcquireContentHelper();
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inline void SetContentHelper( CRestriction * pcrst );
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private:
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ULONG _relop; // Relation
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PROPID _pid; // Property
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CStorageVariant _prval; // Constant value
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CRestriction * _pcrst; // Expanded content restriction (for strings)
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};
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//+---------------------------------------------------------------------------
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//
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// Class: COccRestriction
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//
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// Purpose: Occurrence restriction
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//
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// History: 29-Nov-94 SitaramR Created
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//
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//----------------------------------------------------------------------------
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class COccRestriction : public CRestriction
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{
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public:
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COccRestriction( ULONG ulType, ULONG ulWeight, OCCURRENCE occ,
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ULONG cPrevNoiseWords, ULONG cPostNoiseWords );
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~COccRestriction();
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//
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// Validity check
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//
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BOOL IsValid() const;
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//
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// serialization
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//
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void Marshall( PSerStream& stm) const;
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COccRestriction( ULONG ulType, ULONG ulWeight, PDeSerStream& stm);
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COccRestriction *Clone() const;
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OCCURRENCE Occurrence() const { return _occ; }
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void SetOccurrence( OCCURRENCE occ) { _occ = occ; }
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ULONG CountPrevNoiseWords() const { return _cPrevNoiseWords; }
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ULONG CountPostNoiseWords() const { return _cPostNoiseWords; }
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void AddCountPostNoiseWords( ULONG cWords ) { _cPostNoiseWords += cWords; }
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protected:
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OCCURRENCE _occ;
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ULONG _cPrevNoiseWords;
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ULONG _cPostNoiseWords;
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CWordRestriction
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//
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// Purpose: Word expression
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//
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// Interface:
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//
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// History: 19-Sep-91 BartoszM Created
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// 05-Sep-92 MikeHew Added Serialization
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// 14-Jan-93 KyleP Converted to restriction
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//
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//----------------------------------------------------------------------------
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class CWordRestriction : public COccRestriction
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{
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public:
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//
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// Constructors
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//
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CWordRestriction ( const CKeyBuf& keybuf,
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OCCURRENCE occ,
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ULONG cPrevNoiseWords,
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ULONG cPostNoiseWords,
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BOOL isRange );
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CWordRestriction ( const CWordRestriction& wordRst );
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//
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// Destructor
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//
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~CWordRestriction();
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//
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// Validity check
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//
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inline BOOL IsValid() const;
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//
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// Serialization
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//
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void Marshall( PSerStream & stm ) const;
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CWordRestriction( ULONG ulWeight, PDeSerStream & stm );
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CWordRestriction *Clone() const;
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//
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// Member variable access
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//
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BOOL IsRange() const { return _isRange; }
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const CKey* GetKey() const { return &_key; }
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PROPID Pid() const { return _key.Pid(); }
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void SetPid( PROPID pid ) { _key.SetPid( pid ); }
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private:
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CKey _key;
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BOOL _isRange;
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CSynRestriction
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//
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// Purpose: Synonym expression
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//
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// History: 07-Feb-92 BartoszM Created
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// 05-Sep-92 MikeHew Added Serialization
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// 14-Jan-93 KyleP Converted to restriction
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//
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//----------------------------------------------------------------------------
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class CSynRestriction : public COccRestriction
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{
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public:
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//
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// Constructors
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//
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CSynRestriction ( const CKey& key, OCCURRENCE occ,
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ULONG cPrevNoiseWords, ULONG cPostNoiseWords, BOOL isRange );
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CSynRestriction( CSynRestriction& synRst );
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//
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// Destructor
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//
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~CSynRestriction();
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//
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// Validity check
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//
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inline BOOL IsValid() const;
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//
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// Serialization
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//
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void Marshall( PSerStream & stm ) const;
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CSynRestriction( ULONG ulWeight, PDeSerStream & stm );
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CSynRestriction *Clone() const;
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//
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// Member variable access
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//
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void AddKey ( const CKeyBuf& Key );
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CKeyArray& GetKeys() { return _keyArray; }
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BOOL IsRange() { return _isRange; }
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private:
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CKeyArray _keyArray;
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BOOL _isRange;
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};
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//+---------------------------------------------------------------------------
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//
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// Class: CRangeRestriction
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//
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// Purpose: Range expression
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//
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// History: 24-Sep-91 BartoszM Created
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// 14-Jan-93 KyleP Converted to restriction
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//
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//----------------------------------------------------------------------------
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class CRangeRestriction : public CRestriction
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{
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public:
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//
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// Constructors
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//
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CRangeRestriction ();
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CRangeRestriction( const CRangeRestriction& rangeRst );
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CRangeRestriction *Clone() const;
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//
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// Destructor
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//
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~CRangeRestriction();
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//
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// Validity check
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//
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inline BOOL IsValid() const;
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||
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//
|
||
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// Serialization
|
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//
|
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|
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||
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void Marshall( PSerStream & stm ) const;
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CRangeRestriction( ULONG ulWeight, PDeSerStream & stm );
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|
||
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//
|
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// Member variable access
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//
|
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|
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||
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void SetStartKey ( const CKeyBuf& keyStart );
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void SetEndKey ( const CKeyBuf& keyEnd );
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PROPID Pid() const
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{
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Win4Assert(_keyStart.Pid() == _keyEnd.Pid() );
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return _keyStart.Pid();
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}
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const CKey* GetStartKey() const { return &_keyStart; }
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const CKey* GetEndKey() const { return &_keyEnd; }
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|
|
|
||
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private:
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|
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CKey _keyStart;
|
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|
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CKey _keyEnd;
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|
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};
|
||
|
|
|
||
|
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class CUnfilteredRestriction : public CRangeRestriction
|
||
|
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{
|
||
|
|
public:
|
||
|
|
|
||
|
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CUnfilteredRestriction();
|
||
|
|
};
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Class: CScopeRestriction
|
||
|
|
//
|
||
|
|
// Purpose: Scope restriction
|
||
|
|
//
|
||
|
|
// History: 07-Jan-93 KyleP Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class CScopeRestriction : public CRestriction
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
//
|
||
|
|
// Constructors
|
||
|
|
//
|
||
|
|
|
||
|
|
inline CScopeRestriction();
|
||
|
|
CScopeRestriction( WCHAR const * pwcsPath, BOOL fRecursive, BOOL fVirtual );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Copy constructors/assignment/clone
|
||
|
|
//
|
||
|
|
|
||
|
|
CScopeRestriction & operator =( CScopeRestriction const & source );
|
||
|
|
CScopeRestriction * Clone() const;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Destructor
|
||
|
|
//
|
||
|
|
|
||
|
|
~CScopeRestriction();
|
||
|
|
|
||
|
|
//
|
||
|
|
// Validity check
|
||
|
|
//
|
||
|
|
|
||
|
|
inline BOOL IsValid() const;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Serialization
|
||
|
|
//
|
||
|
|
|
||
|
|
void Marshall( PSerStream & stm ) const;
|
||
|
|
CScopeRestriction( ULONG ulWeight, PDeSerStream & stm );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Member variable access
|
||
|
|
//
|
||
|
|
|
||
|
|
void SetPath( WCHAR const * pwcsPath );
|
||
|
|
inline WCHAR const * GetPath() const;
|
||
|
|
inline ULONG PathLength() const;
|
||
|
|
inline const CLowerFunnyPath & GetFunnyPath() const;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Query depth
|
||
|
|
//
|
||
|
|
|
||
|
|
inline void MakeDeep();
|
||
|
|
inline void MakeShallow();
|
||
|
|
|
||
|
|
inline BOOL IsDeep() const;
|
||
|
|
inline BOOL IsShallow() const;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Virtual/Physical scoping.
|
||
|
|
//
|
||
|
|
|
||
|
|
inline void MakePhysical();
|
||
|
|
inline void MakeVirtual();
|
||
|
|
|
||
|
|
inline BOOL IsPhysical() const;
|
||
|
|
inline BOOL IsVirtual() const;
|
||
|
|
|
||
|
|
# ifdef CIEXTMODE
|
||
|
|
void CiExtDump(void *ciExtSelf);
|
||
|
|
# endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
BOOL _fValid;
|
||
|
|
CLowerFunnyPath _lowerFunnyPath;
|
||
|
|
ULONG _fRecursive; // Should be BOOL, but MIDL dislikes
|
||
|
|
ULONG _fVirtual; // Should be BOOL, but MIDL dislikes
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//+-------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Class: CPhraseRestriction
|
||
|
|
//
|
||
|
|
// Purpose: Phrase restriction whose children are occurrence restrictions
|
||
|
|
//
|
||
|
|
// History: 29-Nov-94 SitaramR Created
|
||
|
|
//
|
||
|
|
//--------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class CPhraseRestriction : public CNodeRestriction
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
CPhraseRestriction( unsigned cInitAllocated = 2 )
|
||
|
|
: CNodeRestriction( RTPhrase, cInitAllocated ) { }
|
||
|
|
~CPhraseRestriction();
|
||
|
|
|
||
|
|
//
|
||
|
|
// De-serialization (serialization is done by CNodeRestriction only, because
|
||
|
|
// there are no data members in CPhraseRestriction)
|
||
|
|
//
|
||
|
|
CPhraseRestriction( ULONG ulWeight, PDeSerStream & stm );
|
||
|
|
|
||
|
|
//
|
||
|
|
// Node manipulation
|
||
|
|
//
|
||
|
|
void AddChild( CRestriction * presChild, unsigned & pos )
|
||
|
|
{
|
||
|
|
Win4Assert( presChild->Type() == RTWord || presChild->Type() == RTSynonym );
|
||
|
|
CNodeRestriction::AddChild( presChild, pos );
|
||
|
|
}
|
||
|
|
|
||
|
|
void AddChild( CRestriction * presChild )
|
||
|
|
{
|
||
|
|
Win4Assert( presChild->Type() == RTWord || presChild->Type() == RTSynonym );
|
||
|
|
CNodeRestriction::AddChild( presChild );
|
||
|
|
}
|
||
|
|
|
||
|
|
COccRestriction * RemoveChild( unsigned pos )
|
||
|
|
{
|
||
|
|
CRestriction *pRst = CNodeRestriction::RemoveChild( pos );
|
||
|
|
|
||
|
|
#if CIDBG == 1
|
||
|
|
if ( pRst )
|
||
|
|
Win4Assert( pRst->Type() == RTWord || pRst->Type() == RTSynonym );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return (COccRestriction *)pRst;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//
|
||
|
|
// Member variable access
|
||
|
|
//
|
||
|
|
void SetChild( CRestriction * presChild, unsigned pos )
|
||
|
|
{
|
||
|
|
Win4Assert( presChild->Type() == RTWord || presChild->Type() == RTSynonym );
|
||
|
|
CNodeRestriction::SetChild( presChild, pos );
|
||
|
|
}
|
||
|
|
|
||
|
|
COccRestriction * GetChild( unsigned pos ) const
|
||
|
|
{
|
||
|
|
CRestriction *pRst = CNodeRestriction::GetChild( pos );
|
||
|
|
|
||
|
|
#if CIDBG == 1
|
||
|
|
if ( pRst )
|
||
|
|
Win4Assert( pRst->Type() == RTWord || pRst->Type() == RTSynonym );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
return (COccRestriction *)pRst;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
DECLARE_SMARTP( ScopeRestriction )
|
||
|
|
|
||
|
|
inline CInternalPropertyRestriction::CInternalPropertyRestriction()
|
||
|
|
: CRestriction( RTInternalProp, MAX_QUERY_RANK )
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CInternalPropertyRestriction::IsValid() const
|
||
|
|
{
|
||
|
|
return ( _pid != pidInvalid &&
|
||
|
|
_prval.IsValid() &&
|
||
|
|
( 0 == _pcrst || _pcrst->IsValid() ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetRelation( ULONG relop )
|
||
|
|
{
|
||
|
|
_relop = relop;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline ULONG CInternalPropertyRestriction::Relation() const
|
||
|
|
{
|
||
|
|
return _relop;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetPid( PROPID pid )
|
||
|
|
{
|
||
|
|
_pid = pid;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline PROPID CInternalPropertyRestriction::Pid() const
|
||
|
|
{
|
||
|
|
return _pid;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetValue( double dValue )
|
||
|
|
{
|
||
|
|
_prval = dValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetValue( ULONG ulValue )
|
||
|
|
{
|
||
|
|
_prval.SetUI4( ulValue );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetValue( LONG lValue )
|
||
|
|
{
|
||
|
|
_prval = lValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetValue( BOOL fValue )
|
||
|
|
{
|
||
|
|
_prval.SetBOOL( fValue ? VARIANT_TRUE : VARIANT_FALSE );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetValue( FILETIME ftValue )
|
||
|
|
{
|
||
|
|
_prval = ftValue;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline CStorageVariant const & CInternalPropertyRestriction::Value() const
|
||
|
|
{
|
||
|
|
return( _prval );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline CRestriction * CInternalPropertyRestriction::GetContentHelper() const
|
||
|
|
{
|
||
|
|
return( _pcrst );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline CRestriction * CInternalPropertyRestriction::AcquireContentHelper()
|
||
|
|
{
|
||
|
|
CRestriction * pTemp = _pcrst;
|
||
|
|
_pcrst = 0;
|
||
|
|
return( pTemp );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CInternalPropertyRestriction::SetContentHelper( CRestriction * pcrst )
|
||
|
|
{
|
||
|
|
Win4Assert( _pcrst == 0 );
|
||
|
|
_pcrst = pcrst;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// CWordRestriction inline
|
||
|
|
//
|
||
|
|
|
||
|
|
inline BOOL CWordRestriction::IsValid() const
|
||
|
|
{
|
||
|
|
return ( 0 != _key.GetBuf() );
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// CSynRestriction inline
|
||
|
|
//
|
||
|
|
|
||
|
|
inline BOOL CSynRestriction::IsValid() const
|
||
|
|
{
|
||
|
|
for ( int i = 0; i < _keyArray.Count(); i++ )
|
||
|
|
{
|
||
|
|
if ( 0 == _keyArray.Get(i).GetBuf() )
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// CRangeRestriction inline
|
||
|
|
//
|
||
|
|
|
||
|
|
inline BOOL CRangeRestriction::IsValid() const
|
||
|
|
{
|
||
|
|
return ( 0 != _keyStart.GetBuf() && 0 != _keyEnd.GetBuf() );
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// CScopeRestriction inline
|
||
|
|
//
|
||
|
|
|
||
|
|
inline CScopeRestriction::CScopeRestriction()
|
||
|
|
: CRestriction( RTScope, MAX_QUERY_RANK ),
|
||
|
|
_fValid(FALSE)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CScopeRestriction::IsValid() const
|
||
|
|
{
|
||
|
|
return ( _fValid );
|
||
|
|
}
|
||
|
|
|
||
|
|
// returns the Actual Path
|
||
|
|
inline WCHAR const * CScopeRestriction::GetPath() const
|
||
|
|
{
|
||
|
|
return _fValid ? _lowerFunnyPath.GetActualPath() : NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
// returns the actual path length
|
||
|
|
inline ULONG CScopeRestriction::PathLength() const
|
||
|
|
{
|
||
|
|
return _lowerFunnyPath.GetActualLength();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns funny path
|
||
|
|
inline const CLowerFunnyPath & CScopeRestriction::GetFunnyPath() const
|
||
|
|
{
|
||
|
|
return _lowerFunnyPath;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CScopeRestriction::MakeDeep()
|
||
|
|
{
|
||
|
|
_fRecursive = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CScopeRestriction::MakeShallow()
|
||
|
|
{
|
||
|
|
_fRecursive = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CScopeRestriction::IsDeep() const
|
||
|
|
{
|
||
|
|
return ( _fRecursive == TRUE );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CScopeRestriction::IsShallow() const
|
||
|
|
{
|
||
|
|
return ( _fRecursive == FALSE );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CScopeRestriction::MakePhysical()
|
||
|
|
{
|
||
|
|
_fVirtual = FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void CScopeRestriction::MakeVirtual()
|
||
|
|
{
|
||
|
|
_fVirtual = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CScopeRestriction::IsPhysical() const
|
||
|
|
{
|
||
|
|
return ( _fVirtual == FALSE );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline BOOL CScopeRestriction::IsVirtual() const
|
||
|
|
{
|
||
|
|
return ( _fVirtual == TRUE );
|
||
|
|
}
|
||
|
|
|