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windows-xp/Source/XPSP1/NT/inetsrv/query/restrict/irest.cxx

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//+---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1991 - 2000.
//
// File: IRest.cxx
//
// Contents: Internal (non-public) restrictions.
//
// Classes: CInternalPropertyRestriction
// COccRestriction
// CWordRestriction
// CSynRestriction
// CRangeRestriction
// CUnfilteredRestriction
// CScopeRestriction
// CPhraseRestriction
//
// History: 19-Sep-91 BartoszM Implemented.
// 29-Aug-92 MikeHew Added serialization routines
// 30-Nov-92 KyleP Removed CPhraseXpr
// 14-Jan-93 KyleP Converted from expressions
//
//----------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <vkrep.hxx>
#include <norm.hxx>
#include <compare.hxx>
//+-------------------------------------------------------------------------
//
// Function: UnMarshallWideString
//
// Synopsis: Unmarshalls a wide string into a CoTaskMemAlloc'ed buffer.
// This can't be in memdeser since it calls CoTaskMemAlloc,
// which isn't available in ntdll.dll.
//
// Arguments: [stm] -- stream from which string is deserialized
//
// History: 22-Nov-95 dlee Created from a few copies
//
//--------------------------------------------------------------------------
WCHAR * UnMarshallWideString( PDeSerStream & stm )
{
ULONG cc = stm.GetULong();
// Protect against attack. We know our named pipes are < 64k
if ( cc >= ( 65536 / sizeof WCHAR ) )
return 0;
XCoMem<WCHAR> xString( (WCHAR *) CoTaskMemAlloc( (cc + 1) * sizeof WCHAR ) );
if ( xString.IsNull() )
{
// just eat the string
WCHAR wc[10];
while ( cc > 0 )
{
if ( cc >= 10 )
{
stm.GetWChar( wc, 10 );
cc -= 10;
}
else
{
stm.GetWChar( wc, cc );
cc = 0;
}
}
}
else
{
WCHAR * pwc = xString.GetPointer();
stm.GetWChar( pwc, cc );
pwc[cc] = 0;
}
return xString.Acquire();
} //UnMarshallWideString
WCHAR * UnMarshallWideStringNew( PDeSerStream & stm )
{
ULONG cc = stm.GetULong();
// Protect against attack. We know our named pipes are < 64k
if ( cc >= ( 65536 / sizeof WCHAR ) )
THROW( CException( E_INVALIDARG ) );
XArray<WCHAR> xString( cc + 1 );
stm.GetWChar( xString.GetPointer(), cc );
xString[cc] = 0;
return xString.Acquire();
} //UnMarshallWideStringNew
//+-------------------------------------------------------------------------
//
// Member: CInternalPropertyRestriction::CInternalPropertyRestriction
//
// Synopsis: Creates property restriction
//
// Arguments: [relop] -- Relational operator (<, >, etc.)
// [pid] -- Property id
// [prval] -- Property value
// [pcrst] -- 'Helper' content restriction
//
// History: 07-Mar-93 KyleP Created
//
//--------------------------------------------------------------------------
CInternalPropertyRestriction::CInternalPropertyRestriction( ULONG relop,
PROPID pid,
CStorageVariant const & prval,
CRestriction * pcrst )
: CRestriction( RTInternalProp, MAX_QUERY_RANK ),
_relop( relop ),
_pid( pid ),
_prval( prval ),
_pcrst( pcrst )
{
if ( !_prval.IsValid() )
THROW( CException( E_OUTOFMEMORY ) );
}
//+---------------------------------------------------------------------------
//
// Member: CInternalPropertyRestriction::CInternalPropertyRestriction
//
// Synopsis: Copy constructor
//
// History: 30-May-95 SitaramR Created.
//
//----------------------------------------------------------------------------
CInternalPropertyRestriction::CInternalPropertyRestriction(
CInternalPropertyRestriction const & intPropRst )
: CRestriction( RTInternalProp, intPropRst.Weight() ),
_relop( intPropRst.Relation() ),
_pid( intPropRst.Pid() ),
_prval( intPropRst.Value() ),
_pcrst( 0 )
{
if ( !_prval.IsValid() )
THROW( CException( E_OUTOFMEMORY ) );
CRestriction *pHelperRst = intPropRst.GetContentHelper();
if ( pHelperRst )
_pcrst = pHelperRst->Clone();
}
//+-------------------------------------------------------------------------
//
// Member: CInternalPropertyRestriction::~CInternalPropertyRestriction
//
// Synopsis: Cleanup restriction
//
// History: 01-Feb-93 KyleP Created
//
//--------------------------------------------------------------------------
CInternalPropertyRestriction::~CInternalPropertyRestriction()
{
delete _pcrst;
SetType( RTNone ); // Avoid recursion.
}
void CInternalPropertyRestriction::Marshall( PSerStream & stm ) const
{
stm.PutULong( _relop );
stm.PutULong( _pid );
_prval.Marshall( stm );
if ( 0 == _pcrst )
stm.PutByte( 0 );
else
{
stm.PutByte( 1 );
_pcrst->Marshall( stm );
}
}
CInternalPropertyRestriction::CInternalPropertyRestriction( ULONG ulWeight,
PDeSerStream & stm )
: CRestriction( RTInternalProp, ulWeight ),
_relop( stm.GetULong() ),
_pid( stm.GetULong() ),
_prval( stm )
{
if ( !_prval.IsValid() )
THROW( CException( E_OUTOFMEMORY ) );
BYTE fRst = stm.GetByte();
if ( fRst )
_pcrst = CRestriction::UnMarshall( stm );
else
_pcrst = 0;
}
//+---------------------------------------------------------------------------
//
// Member: CInternalPropertyRestriction::Clone, public
//
// Synopsis: Clones an internal property restriction
//
// History: 30-May-95 SitaramR Created.
//
//----------------------------------------------------------------------------
CInternalPropertyRestriction *CInternalPropertyRestriction::Clone() const
{
return new CInternalPropertyRestriction( *this );
}
//+---------------------------------------------------------------------------
//
// Member: COccRestriction::COccRestriction, public
//
// Synopsis: Creates occurrence restriction
//
// Arguments: [ulType] -- type of restriction
// [ulWeight] -- weight
// [occ] -- occurrence
// [cPrevNoiseWords] -- count of previous noise words skipped
// [cPostNoiseWords] -- count of post noise words skipped
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
COccRestriction::COccRestriction( ULONG ulType, ULONG ulWeight, OCCURRENCE occ,
ULONG cPrevNoiseWords, ULONG cPostNoiseWords )
: CRestriction( ulType, ulWeight ),
_occ( occ ),
_cPrevNoiseWords( cPrevNoiseWords),
_cPostNoiseWords( cPostNoiseWords )
{
}
//+-------------------------------------------------------------------------
//
// Member: COccRestriction::~COccRestriction, public
//
// Synopsis: Cleanup occurrence restriction
//
// Notes: This destructor simulates virtual destruction.
//
// Classes derived from COccRestriction must be sure to set their
// restriction type to RTNone in their destructor, so when the
// base destructor below is called the derived destructor is
// not called a second time.
//
// History: 29-Nov-94 SitaramR Created
//
//--------------------------------------------------------------------------
COccRestriction::~COccRestriction()
{
switch ( Type() )
{
case RTNone:
break;
case RTWord:
((CWordRestriction *)this)->CWordRestriction::~CWordRestriction();
break;
case RTSynonym:
((CSynRestriction *)this)->CSynRestriction::~CSynRestriction();
break;
default:
ciDebugOut(( DEB_ERROR, "Unhandled child (%d) of class COccRestriction\n",
Type() ));
Win4Assert( !"Unhandled child of class COccRestriction" );
break;
}
}
//+-------------------------------------------------------------------------
//
// Member: COccRestriction::IsValid(), public
//
// History: 14-Nov-95 KyleP Created
//
// Returns: TRUE if all memory allocations, etc. succeeded.
//
//--------------------------------------------------------------------------
BOOL COccRestriction::IsValid() const
{
BOOL fValid = TRUE;
switch ( Type() )
{
case RTWord:
fValid = ((CWordRestriction *)this)->CWordRestriction::IsValid();
break;
case RTSynonym:
fValid = ((CSynRestriction *)this)->CSynRestriction::IsValid();
break;
default:
ciDebugOut(( DEB_ERROR, "Unhandled child (%d) of class COccRestriction\n",
Type() ));
Win4Assert( !"Unhandled child of class COccRestriction" );
fValid = FALSE;
break;
}
return fValid;
}
//+-------------------------------------------------------------------------
//
// Member: COccRestriction::Marshall, public
//
// Synopsis: Serialize occurrence restriction
//
// Arguments: [stm] -- stream to serialize to
//
// History: 29-Nov-94 SitaramR Created
//
//--------------------------------------------------------------------------
void COccRestriction::Marshall( PSerStream& stm ) const
{
stm.PutULong( _occ );
stm.PutULong( _cPrevNoiseWords );
stm.PutULong( _cPostNoiseWords );
switch ( Type() )
{
case RTWord:
((CWordRestriction *)this)->Marshall( stm );
break;
case RTSynonym:
((CSynRestriction *)this)->Marshall( stm );
break;
default:
ciDebugOut(( DEB_ERROR, "Unhandled child (%d) of class COccRestriction\n",
Type() ));
Win4Assert( !"Unhandled child of class COccRestriction" );
break;
}
}
//+-------------------------------------------------------------------------
//
// Member: COccRestriction::COccRestriction, public
//
// Synopsis: De-serialize occurrence restriction
//
// Arguments: [ulType] -- type of occurrence restriction
// [ulWeight] -- weight of occurrence restriction
// [stm] -- stream to serialize from
//
// History: 29-Nov-94 SitaramR Created
//
//--------------------------------------------------------------------------
COccRestriction::COccRestriction( ULONG ulType, ULONG ulWeight, PDeSerStream& stm )
: CRestriction( ulType, ulWeight )
{
_occ = stm.GetULong();
_cPrevNoiseWords = stm.GetULong();
_cPostNoiseWords = stm.GetULong();
}
//+-------------------------------------------------------------------------
//
// Member: COccRestriction::Clone, public
//
// Synopsis: Clone occurrence restriction
//
// History: 29-Nov-94 SitaramR Created
//
//--------------------------------------------------------------------------
COccRestriction *COccRestriction::Clone() const
{
switch ( Type() )
{
case RTWord:
return ((CWordRestriction *)this)->Clone();
break;
case RTSynonym:
return ((CSynRestriction *)this)->Clone();
break;
default:
ciDebugOut(( DEB_ERROR, "Unhandled child (%d) of class COccRestriction\n",
Type() ));
Win4Assert( !"Unhandled child of class COccRestriction" );
return 0;
break;
}
}
//+---------------------------------------------------------------------------
//
// Member: CWordRestriction::CWordRestriction, public
//
// Synopsis: Creates word expression
//
// Arguments: [keyBuf] -- key to be matched
// [occ] -- occurrence (if in phrase)
// [isRange] -- TRUE if key is a prefix
//
// History: 19-Sep-91 BartoszM Created.
//
//----------------------------------------------------------------------------
CWordRestriction::CWordRestriction ( const CKeyBuf& keyBuf,
OCCURRENCE occ,
ULONG cPrevNoiseWords,
ULONG cPostNoiseWords,
BOOL isRange )
: COccRestriction( RTWord, MAX_QUERY_RANK, occ, cPrevNoiseWords, cPostNoiseWords ),
_isRange(isRange)
{
// copy after init to 0 in case new fails and ~CWordRestriction is
// called from ~CRestriction
_key = keyBuf;
}
//+---------------------------------------------------------------------------
//
// Member: CWordRestriction::CWordRestriction, public
//
// Synopsis: Copy constuctor
//
// Arguments: [wordRst] -- word restriction to be copied
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CWordRestriction::CWordRestriction( const CWordRestriction& wordRst )
: COccRestriction( RTWord, wordRst.Weight(), wordRst.Occurrence(),
wordRst.CountPrevNoiseWords(), wordRst.CountPostNoiseWords() ),
_isRange( wordRst.IsRange() )
{
// copy after init to 0 in case new fails and ~CWordRestriction is
// called from ~CRestriction
_key = *wordRst.GetKey();
}
//+-------------------------------------------------------------------------
//
// Member: CWordRestriction::~CWordRestriction, public
//
// Synopsis: Cleanup restriction
//
// History: 01-Feb-93 KyleP Created
//
//--------------------------------------------------------------------------
CWordRestriction::~CWordRestriction()
{
SetType( RTNone ); // Avoid recursion.
}
void CWordRestriction::Marshall( PSerStream & stm ) const
{
_key.Marshall( stm );
stm.PutByte( (BYTE)_isRange );
}
CWordRestriction::CWordRestriction( ULONG ulWeight, PDeSerStream & stm )
: COccRestriction( RTWord, ulWeight, stm ),
_key( stm ),
_isRange( stm.GetByte() )
{
}
//+---------------------------------------------------------------------------
//
// Member: CWordRestriction::Clone, public
//
// Synopsis: Clone restriction
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CWordRestriction *CWordRestriction::Clone() const
{
return new CWordRestriction( *this );
}
//+---------------------------------------------------------------------------
//
// Member: CSynRestriction::CSynRestriction, public
//
// Synopsis: Creates Syn expression
//
// Arguments: [occ] -- occurrence (if in phrase)
// [isRange] -- is it range?
//
// History: 07-Feb-92 BartoszM Created.
//
//----------------------------------------------------------------------------
const int cSynonyms = 2; // default initial count of synonyms
CSynRestriction::CSynRestriction ( const CKey& key,
OCCURRENCE occ,
ULONG cPrevNoiseWords,
ULONG cPostNoiseWords,
BOOL isRange )
: COccRestriction( RTNone, MAX_QUERY_RANK, occ, cPrevNoiseWords, cPostNoiseWords ),
_keyArray( cSynonyms, TRUE ),
_isRange(isRange)
{
_keyArray.Add ( key );
SetType( RTSynonym );
}
//+---------------------------------------------------------------------------
//
// Member: CSynRestriction::CSynRestriction, public
//
// Synopsis: Copy constuctor
//
// Arguments: [synRst] -- synonym restriction to be copied
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CSynRestriction::CSynRestriction( CSynRestriction& synRst )
: COccRestriction( RTNone, synRst.Weight(), synRst.Occurrence(),
synRst.CountPrevNoiseWords(), synRst.CountPostNoiseWords() ),
_keyArray( synRst.GetKeys(), TRUE ),
_isRange( synRst.IsRange() )
{
SetType( RTSynonym );
}
//+-------------------------------------------------------------------------
//
// Member: CSynRestriction::~CSynRestriction, public
//
// Synopsis: Cleanup restriction
//
// History: 01-Feb-93 KyleP Created
//
//--------------------------------------------------------------------------
CSynRestriction::~CSynRestriction()
{
SetType( RTNone ); // Avoid recursion.
}
void CSynRestriction::Marshall( PSerStream & stm ) const
{
_keyArray.Marshall( stm );
stm.PutByte( (BYTE)_isRange );
}
CSynRestriction::CSynRestriction( ULONG ulWeight, PDeSerStream & stm )
: COccRestriction( RTNone, ulWeight, stm),
_keyArray( stm, TRUE ),
_isRange( stm.GetByte() )
{
SetType( RTSynonym );
}
//+---------------------------------------------------------------------------
//
// Member: CSynRestriction::Clone, public
//
// Synopsis: Clone restriction
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CSynRestriction *CSynRestriction::Clone() const
{
return new CSynRestriction( *(CSynRestriction *)this );
}
//+---------------------------------------------------------------------------
//
// Member: CSynRestriction::AddKey, public
//
// Synopsis: Adds synonym key
//
// Arguments: [keyBuf] -- key
//
// History: 07-Feb-92 BartoszM Created.
//
//----------------------------------------------------------------------------
void CSynRestriction::AddKey ( const CKeyBuf& Key )
{
_keyArray.Add ( Key );
}
//+---------------------------------------------------------------------------
//
// Member: CRangeRestriction::CRangeRestriction, public
//
// Synopsis: Creates word expression
//
// Arguments: [pid] -- property id
// [keyStart] -- starting key
// [keyEnd] -- ending key
//
// History: 24-Sep-92 BartoszM Created.
//
//----------------------------------------------------------------------------
CRangeRestriction::CRangeRestriction()
: CRestriction( RTRange, MAX_QUERY_RANK )
{
}
//+---------------------------------------------------------------------------
//
// Member: CRangeRestriction::CRangeRestriction
//
// Synopsis: Copy constructor
//
// History: 30-May-95 SitaramR Created
//
//----------------------------------------------------------------------------
CRangeRestriction::CRangeRestriction( const CRangeRestriction& rangeRst )
: CRestriction( RTNone, rangeRst.Weight() )
{
const CKey *pKeyStart = rangeRst.GetStartKey();
if ( pKeyStart )
_keyStart = *pKeyStart;
const CKey *pKeyEnd = rangeRst.GetEndKey();
if ( pKeyEnd )
_keyEnd = *pKeyEnd;
SetType( RTRange );
}
//+-------------------------------------------------------------------------
//
// Member: CRangeRestriction::~CRangeRestriction, public
//
// Synopsis: Cleanup restriction
//
// History: 01-Feb-93 KyleP Created
//
//--------------------------------------------------------------------------
CRangeRestriction::~CRangeRestriction()
{
SetType( RTNone ); // Avoid recursion.
}
void CRangeRestriction::Marshall( PSerStream & stm ) const
{
_keyStart.Marshall( stm );
_keyEnd.Marshall( stm );
}
CRangeRestriction::CRangeRestriction( ULONG ulWeight, PDeSerStream & stm )
: CRestriction( RTNone, ulWeight ),
_keyStart( stm ),
_keyEnd( stm )
{
SetType( RTRange );
}
//+---------------------------------------------------------------------------
//
// Member: CRangeRestriction::SetStartKey, public
//
// Arguments: [keyStart] -- starting key
//
// History: 24-Sep-92 BartoszM Created.
//
//----------------------------------------------------------------------------
void CRangeRestriction::SetStartKey ( const CKeyBuf& keyStart )
{
_keyStart = keyStart;
}
//+---------------------------------------------------------------------------
//
// Member: CRangeRestriction::SetEndKey, public
//
// Arguments: [keyEnd] -- Ending key
//
// History: 24-Sep-92 BartoszM Created.
//
//----------------------------------------------------------------------------
void CRangeRestriction::SetEndKey ( const CKeyBuf& keyEnd )
{
_keyEnd = keyEnd;
}
//+---------------------------------------------------------------------------
//
// Member: CRangeRestriction::Clone
//
// Synopsis: Clones a range restriction
//
// History: 30-May-95 SitaramR Created
//
//----------------------------------------------------------------------------
CRangeRestriction *CRangeRestriction::Clone() const
{
return new CRangeRestriction( *this );
}
//+---------------------------------------------------------------------------
//
// Member: CUnfilteredRestriction::CUnfilteredRestriction, public
//
// History: 10-Nov-94 KyleP Created.
//
// Notes: This restriction is just a very special case of range
// restriction that searches only for a particular value.
// Standard procedure to create a range restriction is
// sidetracked to save code.
//
//----------------------------------------------------------------------------
CUnfilteredRestriction::CUnfilteredRestriction()
{
static const BYTE abUnfiltered[] = { VT_UI1,
(BYTE)(pidUnfiltered >> 24),
(BYTE)(pidUnfiltered >> 16),
(BYTE)(pidUnfiltered >> 8),
(BYTE) pidUnfiltered,
0,
1 };
static CKeyBuf keyUnfilteredRange( pidUnfiltered, abUnfiltered, sizeof(abUnfiltered) );
SetStartKey( keyUnfilteredRange );
SetEndKey( keyUnfilteredRange );
#if DBG == 1 && CIDBG == 1
CRangeKeyRepository krep;
CValueNormalizer norm( krep );
OCCURRENCE occ = 1;
CStorageVariant var;
var.SetBOOL( (VARIANT_BOOL)0xFFFF );
norm.PutValue( pidUnfiltered, occ, var );
norm.PutValue( pidUnfiltered, occ, var );
CRestriction * prst = krep.AcqRst();
Win4Assert( prst->Type() == RTRange );
CRangeRestriction * pRange = (CRangeRestriction *)prst;
Win4Assert( pRange->GetStartKey()->Compare( *GetStartKey() ) == 0 );
Win4Assert( pRange->GetEndKey()->Compare( *GetEndKey() ) == 0 );
delete prst;
#endif
}
//+---------------------------------------------------------------------------
//
// Member: CPhraseRestriction::CPhraseRestriction, public
//
// Synopsis: Deserializes phrase restriction
//
// Arguments: [ulWeight] -- restriction weight
// [stm] -- stream to deserialize from
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CPhraseRestriction::CPhraseRestriction( ULONG ulWeight, PDeSerStream& stm )
: CNodeRestriction( RTPhrase, ulWeight, stm )
{
#if CIDBG == 1
for ( unsigned i = 0; i < _cNode; i++ )
Win4Assert( _paNode[i]->Type() == RTWord || _paNode[i]->Type() == RTSynonym );
#endif
}
//+---------------------------------------------------------------------------
//
// Member: CPhraseRestriction::~CPhraseRestriction, public
//
// History: 29-Nov-94 SitaramR Created.
//
//----------------------------------------------------------------------------
CPhraseRestriction::~CPhraseRestriction()
{
if ( 0 != _paNode )
{
for ( unsigned i = 0; i < _cNode; i++ )
{
#if CIDBG == 1
if ( 0 != _paNode[i] )
{
Win4Assert( _paNode[i]->Type() == RTWord ||
_paNode[i]->Type() == RTSynonym );
}
#endif // CIDBG
delete (COccRestriction *) _paNode[i];
}
delete [] _paNode;
}
SetType( RTNone ); // Avoid recursion.
}
CScopeRestriction::CScopeRestriction( WCHAR const * pwcsPath, BOOL fRecursive, BOOL fVirtual )
: CRestriction( RTScope, MAX_QUERY_RANK ),
_fValid( FALSE ),
_fRecursive( fRecursive ),
_fVirtual( fVirtual )
{
SetPath( pwcsPath );
}
CScopeRestriction * CScopeRestriction::Clone() const
{
return( new CScopeRestriction( _lowerFunnyPath.GetActualPath(), _fRecursive, _fVirtual ) );
}
CScopeRestriction::~CScopeRestriction()
{
SetType( RTNone ); // Avoid recursion.
}
void CScopeRestriction::Marshall( PSerStream & stm ) const
{
stm.PutWString( _lowerFunnyPath.GetActualPath() );
stm.PutULong( _lowerFunnyPath.GetActualLength() );
stm.PutULong( _fRecursive );
stm.PutULong( _fVirtual );
}
CScopeRestriction::CScopeRestriction( ULONG ulWeight, PDeSerStream & stm )
: CRestriction( RTScope, ulWeight ),
_fValid( FALSE )
{
XCoMem<WCHAR> xString( UnMarshallWideString( stm ) );
//
// Simple validity checks; not all-inclusive. Just
// return with _fValid set to FALSE and the query
// will fail with an out of memory error.
//
// We don't support long paths for scopes.
if ( wcslen( xString.GetPointer() ) >= MAX_PATH )
return;
// We don't support the NTFS special stream syntax
if ( 0 != wcsstr( xString.GetPointer(), L"::$" ) )
return;
stm.GetULong(); // length not needed
_fRecursive = stm.GetULong();
_fVirtual = stm.GetULong();
_lowerFunnyPath.SetPath( xString.Acquire() );
_fValid = TRUE; // since we have a valid path
}
CScopeRestriction & CScopeRestriction::operator =(
CScopeRestriction const & source )
{
_lowerFunnyPath = source._lowerFunnyPath;
_fRecursive = source._fRecursive;
_fVirtual = source._fVirtual;
_fValid = source._fValid;
return *this;
}
//+---------------------------------------------------------------------------
//
// Method: CScopeRestriction::SetPath
//
// Synopsis: Validates and sets a path in a scope restriction
//
// History: 24-Oct-96 dlee Created.
//
//----------------------------------------------------------------------------
void CScopeRestriction::SetPath( WCHAR const * pwcsPath )
{
_fValid = FALSE;
//
// Simple validity checks; not all-inclusive. Just
// return with _fValid set to FALSE and the query
// wil fail with an out of memory error.
//
// We don't support long paths for scopes.
if ( wcslen( pwcsPath ) >= MAX_PATH )
return;
// We don't support the NTFS special stream syntax
if ( 0 != wcsstr( pwcsPath, L"::$" ) )
return;
_lowerFunnyPath.Truncate(0);
if ( pwcsPath)
{
_lowerFunnyPath.SetPath( pwcsPath );
_fValid = TRUE;
}
} //SetPath
//+---------------------------------------------------------------------------
//
// Function: ValidateScopeRestriction
//
// Synopsis: Verifies a scope restriction looks ok. Can't use
// CRestriction::IsValid since this needs to make sure there
// aren't any odd nodes in the tree (like proximity, etc.)
//
// Returns: TRUE if it is ok, FALSE otherwise
//
// History: 24-Oct-96 dlee Created.
//
//----------------------------------------------------------------------------
BOOL ValidateScopeRestriction( CRestriction * pRst )
{
if ( 0 == pRst )
return FALSE;
switch ( pRst->Type() )
{
#if 0 // someday we might support exclusion scopes
case RTNot:
{
CRestriction *p = ((CNotRestriction *)pRst)->GetChild();
return ValidateScopeRestriction( p );
break;
}
case RTAnd:
#endif // 0 // exclusion scopes
case RTOr:
{
CNodeRestriction * p = pRst->CastToNode();
for ( ULONG x = 0; x < p->Count(); x++ )
{
if ( !ValidateScopeRestriction( p->GetChild( x ) ) )
return FALSE;
}
break;
}
case RTScope:
{
CScopeRestriction *p = (CScopeRestriction *) pRst;
if ( !p->IsValid() )
return FALSE;
break;
}
default :
{
return FALSE;
}
}
return TRUE;
} //ValidateScopeRestriction
#if CIDBG == 1
//+-------------------------------------------------------------------------
//
// Function: DisplayChar
//
// Synopsis: Debug print the non-ascii text buffer
//
// Arguments: [pwString] -- Pointer to string (not null terminated)
// [cString] -- len of the string in char
// [infolevel] --
//
// History: 22-Apr-98 KitmanH Created
//
//--------------------------------------------------------------------------
void DisplayChar( WCHAR * pwString, DWORD cString, ULONG infolevel )
{
BOOL fOk = TRUE;
for ( unsigned i = 0; i < cString; i++ )
{
if ( pwString[i] > 0xFF )
{
fOk = FALSE;
break;
}
}
if ( fOk )
{
unsigned j = 0;
WCHAR awcTemp[71];
for ( unsigned i = 0; i < cString; i++ )
{
awcTemp[j] = pwString[i];
j++;
if ( j == sizeof(awcTemp)/sizeof(awcTemp[0]) - 1 )
{
awcTemp[j] = 0;
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\"%ws\"", awcTemp ));
j = 0;
}
}
awcTemp[j] = 0;
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\"%ws\"", awcTemp ));
}
else
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "0x" ));
unsigned j = 0;
for ( unsigned i = 0; i < cString; i++ )
{
if ( 0 == j )
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "%04X", pwString[i] ));
else if ( 14 == j )
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, " %04X\n", pwString[i] ));
}
else
vqDebugOut(( infolevel | DEB_NOCOMPNAME, " %04X", pwString[i] ));
j++;
if ( j > 14 )
j = 0;
}
}
}
void Display( CRestriction * pRst, int indent, ULONG infolevel )
{
vqDebugOut(( infolevel, " " ));
for ( int i = 0; i < indent; i++ )
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, " " ));
}
switch ( pRst->Type() )
{
case RTContent:
vqDebugOut(( infolevel | DEB_NOCOMPNAME,
"CONTENT: \"%ws\", LOCALE: %lu\n",
((CContentRestriction *)pRst)->GetPhrase(),
((CContentRestriction *)pRst)->GetLocale() ));
break;
case RTNatLanguage:
vqDebugOut(( infolevel | DEB_NOCOMPNAME,
"NATURAL LANGUAGE: \"%ws\", LOCALE: %lu\n",
((CNatLanguageRestriction *)pRst)->GetPhrase(),
((CNatLanguageRestriction *)pRst)->GetLocale() ));
break;
case RTWord:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "WORD%s: ",
((CWordRestriction *)pRst)->IsRange() ? " PREFIX" : "" ));
DisplayChar( ((CWordRestriction *)pRst)->GetKey()->GetStr(),
((CWordRestriction *)pRst)->GetKey()->StrLen(),
infolevel
);
vqDebugOut(( infolevel | DEB_NOCOMPNAME,
" PID %d OCC %d, WEIGHT %d\n",
((CWordRestriction *)pRst)->Pid(),
((CWordRestriction *)pRst)->Occurrence(),
((CWordRestriction *)pRst)->Weight() ));
break;
case RTSynonym:
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "SYNONYM: OCC %d ",
((CSynRestriction *)pRst)->Occurrence() ));
CKeyArray & keys = ((CSynRestriction *)pRst)->GetKeys();
for ( int i = 0; i < keys.Count(); i++ )
{
DisplayChar( keys.Get(i).GetStr(), keys.Get(i).StrLen(),
infolevel );
vqDebugOut(( infolevel | DEB_NOCOMPNAME, " " ));
}
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\n" ));
break;
}
case RTRange:
{
CRangeRestriction * pr = (CRangeRestriction *)pRst;
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "RANGE: " ));
char * pc = new char[pr->GetStartKey()->Count() * 2 +
1 +
pr->GetEndKey()->Count() * 2 +
2];
for ( unsigned i = 0; i < pr->GetStartKey()->Count(); i++ )
sprintf( pc + i*2, "%02x", pr->GetStartKey()->GetBuf()[i] );
pc[i*2] = '-';
for ( unsigned j = 0; j < pr->GetEndKey()->Count(); j++ )
sprintf( pc + i*2 + 1 + j*2, "%02x", pr->GetEndKey()->GetBuf()[j] );
pc[i*2 + 1 + j*2] = '\n';
pc[i*2 + 1 + j*2 + 1] = 0;
vqDebugOut(( infolevel | DEB_NOCOMPNAME, pc ));
delete [] pc;
break;
}
case RTProperty:
if ( ((CPropertyRestriction *)pRst)->Relation() == PRRE )
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "REGEX " ));
else
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "PROPERTY " ));
((CPropertyRestriction *) pRst)->Value().DisplayVariant(
infolevel | DEB_NOCOMPNAME,
0);
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\n" ));
break;
case RTInternalProp:
{
CInternalPropertyRestriction * pir = (CInternalPropertyRestriction *)pRst;
if ( pir->Relation() == PRRE )
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "REGEX pid(0x%lx) ",
pir->Pid() ));
else
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "PROPERTY pid(0x%lx) ", pir->Pid() ));
switch ( getBaseRelop( pir->Relation() ) )
{
case PRLT:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "< " ));
break;
case PRLE:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "<= " ));
break;
case PRGT:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "> " ));
break;
case PRGE:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, ">= " ));
break;
case PREQ:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "== " ));
break;
case PRNE:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "!= " ));
break;
case PRAllBits:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "All bits " ));
break;
case PRSomeBits:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "Some bits " ));
break;
default:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "??? " ));
break;
}
if ( pir->Relation() & PRAll )
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "All " ));
else if ( pir->Relation() & PRAny )
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "Any " ));
}
pir->Value().DisplayVariant(infolevel | DEB_NOCOMPNAME, 0);
if ( pir->GetContentHelper() )
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\n" ));
for ( int i = 0; i < indent+5; i++ )
{
vqDebugOut(( infolevel | DEB_NOCOMPNAME, " " ));
}
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "HELPER:\n" ));
Display( pir->GetContentHelper(), indent+3, infolevel );
}
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "\n" ));
break;
}
case RTNot:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "NOT\n" ));
Display( ((CNotRestriction *)pRst)->GetChild(), indent + 1, infolevel );
break;
case RTAnd:
case RTOr:
case RTProximity:
case RTVector:
case RTPhrase:
{
switch( pRst->Type() )
{
case RTAnd:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "AND\n" ));
break;
case RTOr:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "OR\n" ));
break;
case RTNot:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "NOT\n" ));
break;
case RTProximity:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "PROXIMITY\n" ));
break;
case RTVector:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "VECTOR " ));
switch ( ((CVectorRestriction *)pRst)->RankMethod() )
{
case VECTOR_RANK_MIN:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(Min)\n" ));
break;
case VECTOR_RANK_MAX:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(Max)\n" ));
break;
case VECTOR_RANK_INNER:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(Inner Product)\n" ));
break;
case VECTOR_RANK_DICE:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(Dice Coefficient)\n" ));
break;
case VECTOR_RANK_JACCARD:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(Jaccard Coefficient)\n" ));
break;
default:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "(???)\n" ));
break;
}
break;
case RTPhrase:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "PHRASE\n" ));
break;
}
CNodeRestriction * pNodeRst = pRst->CastToNode();
for ( UINT i = 0; i < pNodeRst->Count(); i++ )
{
Display( pNodeRst->GetChild( i ), indent + 1, infolevel );
}
break;
}
case RTNone:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "NONE -- empty\n" ));
break;
default:
vqDebugOut(( infolevel | DEB_NOCOMPNAME, "UNKNOWN\n" ));
break;
}
}
#endif // CIDBG == 1