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//+-------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation, 1992 - 1993.
//
// File: metapenm.cxx
//
// Contents: Meta property enumerator
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <metapenm.hxx>
#include <catalog.hxx>
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::CMetaPropEnum, public
//
// Synopsis: Constructor
//
// Arguments: [cat] -- Catalog
// [pQueryPropMapper] -- Pid Remapper associated with the query
// [secCache] -- Cache of AccessCheck() results
// [fUsePathAlias] -- TRUE if client is going through rdr/svr
//
// History: 19-Aug-93 KyleP Created
//
//--------------------------------------------------------------------------
CMetaPropEnum::CMetaPropEnum( PCatalog & cat, ICiQueryPropertyMapper *pQueryPropMapper, CSecurityCache & secCache, BOOL fUsePathAlias ) : CGenericPropRetriever( cat, pQueryPropMapper, secCache, 0 ), // Never fixup 'path'
_iBmk( 0 ){ _Path.Buffer = _awcGuid; _Path.Length = ccStringizedGuid * sizeof(WCHAR);}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::~CMetaPropEnum, public
//
// Synopsis: Destructor
//
// History: 19-Aug-93 KyleP Created
//
//--------------------------------------------------------------------------
CMetaPropEnum::~CMetaPropEnum(){}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::NextObject, public
//
// Synopsis: Move to next object
//
// Returns: Work id of next valid object, or widInvalid if end of
// iteration.
//
// History: 19-Aug-93 KyleP Created
//
//--------------------------------------------------------------------------
WORKID CMetaPropEnum::NextObject(){ if ( !_cat.EnumerateProperty( _psCurrent, _cbCurrent, _typeCurrent, _storeLevelCurrent, _fModifiableCurrent, _iBmk ) ) return widInvalid;
//
// String-ify the guid
//
swprintf( _awcGuid, L"%08lX-%04X-%04X-%02X%02X%02X%02X%02X%02X%02X%02X", _psCurrent.GetPropSet().Data1, _psCurrent.GetPropSet().Data2, _psCurrent.GetPropSet().Data3, _psCurrent.GetPropSet().Data4[0], _psCurrent.GetPropSet().Data4[1], _psCurrent.GetPropSet().Data4[2], _psCurrent.GetPropSet().Data4[3], _psCurrent.GetPropSet().Data4[4], _psCurrent.GetPropSet().Data4[5], _psCurrent.GetPropSet().Data4[6], _psCurrent.GetPropSet().Data4[7] );
//
// String-ify the PropId, if appropriate.
//
if ( _psCurrent.IsPropertyPropid() ) { _Name.Length = (USHORT)(sizeof(WCHAR) * swprintf( _awcPropId, L"%u", _psCurrent.GetPropertyPropid() )); _Name.Buffer = _awcPropId; } else { _Name.Buffer = (WCHAR *)_psCurrent.GetPropertyName(); _Name.Length = sizeof(WCHAR) * wcslen( _Name.Buffer ); }
return _iBmk;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::GetPropGuid
//
// Synopsis: Returns guid property
//
// History: 12-Dec-96 SitaramR Added header
//
//--------------------------------------------------------------------------
BOOL CMetaPropEnum::GetPropGuid( GUID & guid ){ RtlCopyMemory( &guid, &(_psCurrent.GetPropSet()), sizeof(guid) ); return TRUE;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::GetPropPid
//
// Synopsis: Returns propid property
//
// History: 12-Dec-96 SitaramR Added header
//
//--------------------------------------------------------------------------
PROPID CMetaPropEnum::GetPropPropid(){ if ( _psCurrent.IsPropertyPropid() ) return _psCurrent.GetPropertyPropid(); else return pidInvalid;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::GetPropName
//
// Synopsis: Returns propname property
//
// History: 12-Dec-96 SitaramR Added header
//
//--------------------------------------------------------------------------
UNICODE_STRING const * CMetaPropEnum::GetPropName(){ if ( _psCurrent.IsPropertyName() ) return &_Name; else return 0;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::BeginPropertyRetrieval
//
// Synopsis: Prime wid for property retrieval
//
// Arguments: [wid] -- Wid to prime
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::BeginPropertyRetrieval( WORKID wid ){ //
// Check that we are retrieving the property for the wid on
// which we are currently positioned
//
Win4Assert( wid == _widCurrent ); Win4Assert( _widPrimedForPropRetrieval == widInvalid );
if ( wid == _widCurrent ) { _widPrimedForPropRetrieval = _widCurrent; return S_OK; } else return E_FAIL;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::IsInScope
//
// Synopsis: Checks if current wid is in scope
//
// Arguments: [pfInScope] -- Scope check result returned here
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::IsInScope( BOOL *pfInScope ){ if ( widInvalid == _widPrimedForPropRetrieval ) return CI_E_WORKID_NOTVALID;
*pfInScope = TRUE;
return S_OK;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::CheckSecurity
//
// Synopsis: Test wid for security access
//
// Arguments: [am] -- Access Mask
// [pfGranted] -- Result of security check returned here
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::CheckSecurity( ACCESS_MASK am, BOOL *pfGranted){ if ( _widPrimedForPropRetrieval == widInvalid ) return CI_E_WORKID_NOTVALID;
*pfGranted = TRUE;
return S_OK;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::Begin
//
// Synopsis: Begins an enumeration
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::Begin(){ SCODE sc = S_OK;
TRY { _iBmk = 0;
_widCurrent = NextObject(); } CATCH( CException, e ) { sc = e.GetErrorCode();
vqDebugOut(( DEB_ERROR, "CMetaPropEnum::Begin - Exception caught 0x%x\n", sc )); } END_CATCH;
return sc;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::CurrentDocument
//
// Synopsis: Returns current document
//
// Arguments: [pWorkId] -- Wid of current doc returned here
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::CurrentDocument( WORKID *pWorkId ){ *pWorkId = _widCurrent; if ( _widCurrent == widInvalid ) return CI_S_END_OF_ENUMERATION; else return S_OK;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::NextDocument
//
// Synopsis: Returns next document
//
// Arguments: [pWorkId] -- Wid of next doc returned here
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::NextDocument( WORKID *pWorkId ){ SCODE sc = S_OK;
TRY { _widCurrent = NextObject();
sc = CurrentDocument( pWorkId ); } CATCH( CException, e ) { sc = e.GetErrorCode();
vqDebugOut(( DEB_ERROR, "CMetaPropEnum::NextDocument - Exception caught 0x%x\n", sc )); } END_CATCH;
return sc;}
//+-------------------------------------------------------------------------
//
// Member: CMetaPropEnum::End
//
// Synopsis: Ends an enumeration
//
// History: 12-Dec-96 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::End(){ _widCurrent = widInvalid;
return S_OK;}
//+-------------------------------------------------------------------------
//
// Method: CMetaPropEnum::AddRef
//
// Synopsis: Increments refcount
//
// History: 12-Dec-1996 SitaramR Created
//
//--------------------------------------------------------------------------
ULONG STDMETHODCALLTYPE CMetaPropEnum::AddRef(){ return CGenericPropRetriever::AddRef();}
//+-------------------------------------------------------------------------
//
// Method: CMetaPropEnum::Release
//
// Synopsis: Decrement refcount. Delete if necessary.
//
// History: 12-Dec-1996 SitaramR Created
//
//--------------------------------------------------------------------------
ULONG STDMETHODCALLTYPE CMetaPropEnum::Release(){ return CGenericPropRetriever::Release();}
//+-------------------------------------------------------------------------
//
// Method: CMetaPropEnum::QueryInterface
//
// Synopsis: Rebind to other interface
//
// Arguments: [riid] -- IID of new interface
// [ppvObject] -- New interface * returned here
//
// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
//
// History: 12-Dec-1996 SitaramR Created
//
//--------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::QueryInterface( REFIID riid, void ** ppvObject){ if ( IID_ICiCScopeEnumerator == riid ) *ppvObject = (ICiCScopeEnumerator *)this; else if ( IID_ICiCPropRetriever == riid ) *ppvObject = (ICiCPropRetriever *)this; else if ( IID_IUnknown == riid ) *ppvObject = (IUnknown *)(ICiCScopeEnumerator *) this; else { *ppvObject = 0; return E_NOINTERFACE; }
AddRef(); return S_OK;}
//+---------------------------------------------------------------------------
//
// Member: CMetaPropEnum::RatioFinished, public
//
// Synopsis: Returns query progress estimate
//
// Arguments: [denom] -- Denominator returned here
// [num] -- Numerator returned here
//
// History: 12-Dec-96 SitaramR Created
//
//----------------------------------------------------------------------------
SCODE STDMETHODCALLTYPE CMetaPropEnum::RatioFinished (ULONG *pDenom, ULONG *pNum){ *pNum = 50; *pDenom = 100;
return S_OK;}
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