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737 lines
21 KiB
737 lines
21 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1998.
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//
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// File: StdQSpec.cxx
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//
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// Contents: IQuery for file-based queries
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//
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// Classes: CQuerySpec
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//
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// History: 30 Jun 1995 AlanW Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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extern long gulcInstances;
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#include <cidbprop.hxx>
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#include <cmdprutl.hxx>
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#include <dbprputl.hxx>
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#include <datasrc.hxx>
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#include <session.hxx>
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#include <dsocf.hxx>
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#include <lgplist.hxx>
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#include <propglob.hxx>
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#include "stdqspec.hxx"
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//+-------------------------------------------------------------------------
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//
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// Member: CQuerySpec::QueryInternalQuery, protected
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//
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// Synopsis: Instantiates internal query, using current parameters.
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//
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// Returns: Pointer to internal query object.
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//
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// History: 03-Mar-1997 KyleP Created
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// 14-May-1997 mohamedn hidden core/fs property sets
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//
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//--------------------------------------------------------------------------
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PIInternalQuery * CQuerySpec::QueryInternalQuery()
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{
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//
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// get a pointer to the PIInternalQuery interface
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//
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XInterface<CDbProperties> xIDbProps(new CDbProperties);
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if ( xIDbProps.IsNull() )
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THROW( CException( E_OUTOFMEMORY ) );
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CGetCmdProps getCmdProps( (ICommand *)this);
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SCODE sc;
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PIInternalQuery * pQuery;
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ULONG cardinality = getCmdProps.GetCardinality();
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if ( cardinality <= 1 )
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{
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getCmdProps.PopulateDbProps( xIDbProps.GetPointer() );
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sc = EvalQuery( &pQuery,
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xIDbProps.GetReference(),
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_xDocStore.GetPointer());
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}
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else
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{
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Win4Assert( !_xDocStore.GetPointer() );
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sc = EvalDistributedQuery( &pQuery, getCmdProps );
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}
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if ( FAILED( sc ) )
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QUIETTHROW( CException( sc ) );
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Win4Assert( 0 != pQuery );
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return pQuery;
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} //QueryInternalQuery
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//+-------------------------------------------------------------------------
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//
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// Member: CQuerySpec::CQuerySpec, public
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//
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// Synopsis: Constructor of a CQuerySpec
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//
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// Arguments: [pOuterUnk] - Outer unknown
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// [ppMyUnk] - OUT: filled in with pointer to non-delegated
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// IUnknown on return
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// [pDocStore] - Known DocStore
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//
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// History: 22-Apr-97 KrishnaN Created
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//
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//--------------------------------------------------------------------------
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CQuerySpec::CQuerySpec ( IUnknown * pOuterUnk, IUnknown ** ppMyUnk, ICiCDocStore * pDocStore )
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: CRootQuerySpec(pOuterUnk, ppMyUnk)
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{
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//
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// Squirrel away DocStore.
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//
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pDocStore->AddRef();
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_xDocStore.Set(pDocStore);
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InitScopePropertySets();
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} //CQuerySpec
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//+-------------------------------------------------------------------------
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//
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// Member: CQuerySpec::InitScopePropertySets, private
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//
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// Synopsis: Initializes internal data structs
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//
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// Arguments: none
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//
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// History: 06-04-97 mohamedn Created
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//
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//--------------------------------------------------------------------------
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void CQuerySpec::InitScopePropertySets()
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{
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RtlZeroMemory( _aPropSet, sizeof (_aPropSet) );
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_aCoreProps.Init ( INITIAL_PROPERTIES_COUNT );
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_aFsClientProps.Init( INITIAL_PROPERTIES_COUNT );
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_aPropSet[0].guidPropertySet = DBPROPSET_CIFRMWRKCOREEXT;
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_aPropSet[0].rgProperties = _aCoreProps.GetPointer();
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_aPropSet[1].guidPropertySet = DBPROPSET_FSCIFRMWRKEXT;
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_aPropSet[1].rgProperties = _aFsClientProps.GetPointer();
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} //InitScopePropertySets
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//+---------------------------------------------------------------------------
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//
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// Method: CQuerySpec::SetProperties, public
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//
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// Synopsis: Set rowset scope properties
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//
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// Arguments: [cPropertySets] - number of property sets
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// [rgPropertySets] - array of property sets
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//
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// Returns: SCODE - result code indicating error return status. One of
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// S_OK, DB_S_ERRORSOCCURRED or DB_E_ERRORSOCCURRED. Any
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// other errors are thrown.
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//
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// History: 01-Mar-97 KyleP Created
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// 14-May-97 mohamedn hidden core/fs property set details
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// 12-Dec-97 danleg ReleaseInternalQuery if setting scope props
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//
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//----------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CQuerySpec::SetProperties( ULONG cPropertySets,
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DBPROPSET rgPropertySets[] )
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{
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_DBErrorObj.ClearErrorInfo();
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//
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// First, get parent properties.
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//
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SCODE scParent = CRootQuerySpec::SetProperties( cPropertySets, rgPropertySets );
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//
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// Any non-understood error is a bail. Return the error/successes from the parent.
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//
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if ( scParent != DB_S_ERRORSOCCURRED && scParent != DB_E_ERRORSOCCURRED )
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return scParent;
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BOOL fFoundErrors = FALSE;
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SCODE sc = S_OK;
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//
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// Set properties not handled by parent
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//
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TRANSLATE_EXCEPTIONS;
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TRY
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{
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DBPROPSET *pDbPropset = rgPropertySets;
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BOOL fScopeProps = FALSE;
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for ( unsigned i = 0; i < cPropertySets; i++, pDbPropset++ )
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{
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if ( DBPROPSET_FSCIFRMWRKEXT == pDbPropset->guidPropertySet ||
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DBPROPSET_CIFRMWRKCOREEXT == pDbPropset->guidPropertySet )
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{
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SetPropertyset( pDbPropset );
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fScopeProps = TRUE;
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}
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else
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{
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//
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// keep track of any errors occured in base class.
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//
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DBPROP * pProp = pDbPropset->rgProperties;
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ULONG cProps = pDbPropset->cProperties;
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for ( unsigned j = 0; j < cProps; j++ )
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{
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if ( DBPROPSTATUS_OK != pProp[j].dwStatus )
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fFoundErrors = TRUE;
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}
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}
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}
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//
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// If we found any scope properties, release the
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// internal query object.
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//
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if ( fScopeProps )
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{
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ReleaseInternalQuery();
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}
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}
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CATCH( CException, e )
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{
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scParent = GetOleError( e );
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fFoundErrors = TRUE;
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}
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END_CATCH;
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UNTRANSLATE_EXCEPTIONS;
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if ( fFoundErrors )
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{
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if ( S_OK != scParent )
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{
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_DBErrorObj.PostHResult( scParent, IID_ICommandProperties );
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return scParent;
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}
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else
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{
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_DBErrorObj.PostHResult( DB_S_ERRORSOCCURRED, IID_ICommandProperties );
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return DB_S_ERRORSOCCURRED;
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}
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}
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else
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return S_OK;
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} //SetProperties
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//+---------------------------------------------------------------------------
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//
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// Method: CQuerySpec::SetPropertyset, private
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//
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// Synopsis: Sets non-rowset properties
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//
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// Arguments: [pPropertyset] - pointer to property set (to be set).
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//
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// Returns: none - THROWS upon failure.
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//
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// History: 05-14-97 mohamedn created
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//
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//----------------------------------------------------------------------------
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void CQuerySpec::SetPropertyset( DBPROPSET *pPropertySet )
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{
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DBPROP * pProp = pPropertySet->rgProperties;
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ULONG cProps= pPropertySet->cProperties;
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//
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// un-error property dwStatus set by parent
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//
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for ( unsigned j = 0; j < cProps; j++ )
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{
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switch ( pProp[j].dwStatus )
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{
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case DBPROPSTATUS_NOTSUPPORTED:
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pProp[j].dwStatus = DBPROPSTATUS_OK;
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break;
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case DBPROPSTATUS_OK:
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break;
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default:
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vqDebugOut(( DEB_ERROR, "Unexpected pProp[j].dwStatus: j=%x, dwStatus=%x \n",j,pProp[j].dwStatus ));
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}
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}
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//
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// identify destination propset
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//
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for ( unsigned k = 0; k < SCOPE_PROPSET_COUNT; k++ )
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{
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if ( _aPropSet[k].guidPropertySet == pPropertySet->guidPropertySet )
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break;
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}
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if ( k == SCOPE_PROPSET_COUNT )
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{
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Win4Assert( !"Should never be hit" );
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THROW( CException(DB_E_ERRORSOCCURRED));
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}
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//
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// update property set
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//
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UpdatePropertySet( _aPropSet[k], *pPropertySet );
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} //SetPropertyset
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//+---------------------------------------------------------------------------
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//
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// Method: CQuerySpec::UpdatePropertySet, private
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//
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// Synopsis: Sets non-rowset properties
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//
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// Arguments: [destPropSet] - destination property set
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// [srcPropSet] - source property set
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//
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// Returns: none - THROWS upon failure.
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//
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// History: 06-04-97 mohamedn created
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//
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//----------------------------------------------------------------------------
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void CQuerySpec::UpdatePropertySet(DBPROPSET &destPropSet, DBPROPSET &srcPropSet )
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{
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CDbProp * pDestProp = (CDbProp *)destPropSet.rgProperties;
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CDbProp * pSrcProp = (CDbProp *)srcPropSet.rgProperties;
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ULONG cErrors = 0;
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for ( unsigned i = 0; i < srcPropSet.cProperties; i++ )
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{
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for ( unsigned j = 0; j < destPropSet.cProperties; j++ )
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{
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if ( pDestProp[j].dwPropertyID == pSrcProp[i].dwPropertyID )
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{
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if ( !pDestProp[j].Copy(pSrcProp[i]) )
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THROW( CException(E_OUTOFMEMORY) );
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break;
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}
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}
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if ( j == destPropSet.cProperties )
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{
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//
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// new PropID
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//
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if ( destPropSet.guidPropertySet == DBPROPSET_CIFRMWRKCOREEXT &&
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j >= _aCoreProps.Count() )
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{
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_aCoreProps.GrowToSize( srcPropSet.cProperties );
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_aPropSet[0].rgProperties = _aCoreProps.GetPointer();
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pDestProp = (CDbProp *)destPropSet.rgProperties;
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}
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else if ( destPropSet.guidPropertySet == DBPROPSET_FSCIFRMWRKEXT &&
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j >= _aFsClientProps.Count() )
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{
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_aFsClientProps.GrowToSize( srcPropSet.cProperties );
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_aPropSet[1].rgProperties = _aFsClientProps.GetPointer();
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pDestProp = (CDbProp *)destPropSet.rgProperties;
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}
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Win4Assert( pDestProp[j].dwPropertyID == 0 );
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Win4Assert( pDestProp[j].dwStatus == 0 );
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if ( !pDestProp[j].Copy(pSrcProp[i]) )
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THROW( CException(E_OUTOFMEMORY) );
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destPropSet.cProperties++;
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}
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}
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if ( cErrors == srcPropSet.cProperties )
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THROW (CException( DB_E_ERRORSOCCURRED ) );
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if ( cErrors > 0 )
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THROW (CException( DB_S_ERRORSOCCURRED ) );
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} //UpdatePropertySet
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//+---------------------------------------------------------------------------
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//
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// Method: CQuerySpec::GetProperties, public
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//
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// Synopsis: Get rowset properties
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//
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// Arguments: [cPropertySetIDs] - number of desired property set IDs or 0
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// [rgPropertySetIDs] - array of desired property set IDs or NULL
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// [pcPropertySets] - number of property sets returned
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// [prgPropertySets] - array of returned property sets
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//
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// Returns: SCODE - result code indicating error return status. One of
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// S_OK, DB_S_ERRORSOCCURRED or DB_E_ERRORSOCCURRED. Any
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// other errors are thrown.
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//
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// History: 01-Mar-97 KyleP Created
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// 14-May-97 mohamedn hidden core/fs property set details
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//
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//----------------------------------------------------------------------------
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SCODE STDMETHODCALLTYPE CQuerySpec::GetProperties(
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ULONG const cPropertySetIDs,
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DBPROPIDSET const rgPropertySetIDs[],
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ULONG * pcPropertySets,
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DBPROPSET ** prgPropertySets)
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{
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_DBErrorObj.ClearErrorInfo();
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BOOL fAddScopeProperties = FALSE;
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ULONG cPropSetIDs = cPropertySetIDs;
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XArray<CDbPropIDSet> aPropIDSets;
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CDbPropIDSet * pPropIDSet = (CDbPropIDSet *)rgPropertySetIDs;
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ULONG cAllocPropSets = cPropertySetIDs;
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//
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// Don't give back the scope properties for "all properties". If the
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// magic number 3141592653 is given in, all properties including the
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// scope properties are returned.
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//
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if ( 3141592653 == cPropertySetIDs )
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{
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fAddScopeProperties = TRUE;
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cPropSetIDs = 0;
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//
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// We want all properties, including scope properties. The base
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// implementation doesn't know about scope properties
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//
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SCODE sc = S_OK;
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TRY
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{
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aPropIDSets.Init( 5 );
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}
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CATCH( CException, e )
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{
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sc = e.GetErrorCode();
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}
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END_CATCH;
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if ( FAILED( sc ) )
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return sc;
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aPropIDSets[0].guidPropertySet = DBPROPSET_ROWSET;
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aPropIDSets[0].cPropertyIDs = 0;
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aPropIDSets[1].guidPropertySet = DBPROPSET_MSIDXS_ROWSET_EXT;
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aPropIDSets[1].cPropertyIDs = 0;
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aPropIDSets[2].guidPropertySet = DBPROPSET_QUERY_EXT;
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aPropIDSets[2].cPropertyIDs = 0;
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aPropIDSets[3].guidPropertySet = DBPROPSET_CIFRMWRKCOREEXT;
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aPropIDSets[3].cPropertyIDs = 0;
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aPropIDSets[4].guidPropertySet = DBPROPSET_FSCIFRMWRKEXT;
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aPropIDSets[4].cPropertyIDs = 0;
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cAllocPropSets = aPropIDSets.Count();
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pPropIDSet = aPropIDSets.GetPointer();
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}
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SCODE scParent = CRootQuerySpec::GetProperties( cAllocPropSets,
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pPropIDSet,
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pcPropertySets,
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prgPropertySets );
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//
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// Any non-understood error is a bail. S_OK here means all properties were
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// handled by parent. Just return unless *all* props were requested.
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//
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if ( scParent != DB_S_ERRORSOCCURRED && scParent != DB_E_ERRORSOCCURRED )
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{
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if ( scParent != S_OK || 0 != cPropSetIDs )
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return scParent;
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}
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SCODE sc = S_OK;
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BOOL fFoundErrors = FALSE;
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TRANSLATE_EXCEPTIONS;
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TRY
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{
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//
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// Find query properties.
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//
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if ( 0 == cPropSetIDs && fAddScopeProperties )
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{
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//
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// Case 1: All properties were requested. Append scope onto
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// appropriate property set.
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//
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for ( unsigned i = 0; i < SCOPE_PROPSET_COUNT; i++ )
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{
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DBPROPIDSET dbPropIdSet;
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ZeroMemory((void *) &dbPropIdSet, sizeof DBPROPIDSET );
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dbPropIdSet.guidPropertySet = _aPropSet[i].guidPropertySet;
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//
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// scan dest array of propsets (set by base) for matching guid.
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//
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for ( unsigned j = 0; j < *pcPropertySets; j++ )
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{
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if ( dbPropIdSet.guidPropertySet ==
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(*prgPropertySets)[j].guidPropertySet )
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{
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GetPropValues( dbPropIdSet,
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(*prgPropertySets)[j],
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fFoundErrors );
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break;
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}
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}
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//
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// PropSet not found
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//
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if ( j == *pcPropertySets )
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{
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fFoundErrors = TRUE;
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Win4Assert( !"CRowsetProperties doesn't support requested propset." );
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Win4Assert( !"base & derived classes are out of sync!");
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}
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}
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}
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else
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{
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//
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// Case 2: Specific properties were requested.
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//
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for ( unsigned i = 0; i < cPropSetIDs; i++ )
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{
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//
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// scan dest array of propsets (set by base) for matching guid.
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//
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for ( unsigned j = 0; j < *pcPropertySets; j++ )
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{
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if ( (*prgPropertySets)[j].guidPropertySet ==
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rgPropertySetIDs[i].guidPropertySet )
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{
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GetPropValues( rgPropertySetIDs[i],
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(*prgPropertySets)[j],
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fFoundErrors );
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break;
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}
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}
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//
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// PropSet not found
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//
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if ( j == *pcPropertySets )
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{
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fFoundErrors = TRUE;
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Win4Assert( !"Unexpected PropertySet requested" );
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}
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}
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}
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}
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CATCH( CException, e )
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{
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sc = e.GetErrorCode();
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}
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END_CATCH
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UNTRANSLATE_EXCEPTIONS;
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|
|
if ( FAILED(sc) && sc != DB_E_ERRORSOCCURRED )
|
|
{
|
|
for ( unsigned i = 0; i < *pcPropertySets; i++ )
|
|
{
|
|
DBPROP * rgProperties = (*prgPropertySets)[i].rgProperties;
|
|
unsigned cProperties = (*prgPropertySets)[i].cProperties;
|
|
|
|
for ( unsigned j = 0; j < cProperties; j++ )
|
|
VariantClear( &(rgProperties[j].vValue) );
|
|
|
|
CoTaskMemFree( rgProperties );
|
|
}
|
|
|
|
CoTaskMemFree( *prgPropertySets );
|
|
*prgPropertySets = 0;
|
|
}
|
|
|
|
if ( fFoundErrors )
|
|
{
|
|
if ( scParent != S_OK )
|
|
{
|
|
_DBErrorObj.PostHResult( scParent, IID_ICommandProperties );
|
|
return scParent;
|
|
}
|
|
else
|
|
{
|
|
_DBErrorObj.PostHResult( DB_S_ERRORSOCCURRED, IID_ICommandProperties );
|
|
return DB_S_ERRORSOCCURRED;
|
|
}
|
|
}
|
|
|
|
return sc;
|
|
} //GetProperties
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Member: CQuerySpec::GetPropValues, private
|
|
//
|
|
// Synopsis: Gets values of properties in a property set.
|
|
//
|
|
// Arguments: [rgPropertySetIDs] [in] - array of propIDs to get
|
|
// [rgPropertySet] [out] - reference to property set to fill
|
|
// [fFoundErrors] [out] - TRUE if any errors are found, but not thrown.
|
|
//
|
|
// Returns: Throws in case of failure
|
|
//
|
|
// History: 04-15-97 mohamedn created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CQuerySpec::GetPropValues( DBPROPIDSET const & rgPropertySetIDs,
|
|
DBPROPSET & rgPropertySet,
|
|
BOOL & fFoundErrors)
|
|
{
|
|
Win4Assert( rgPropertySet.guidPropertySet == rgPropertySetIDs.guidPropertySet );
|
|
|
|
//
|
|
// Locate private property set source
|
|
//
|
|
|
|
for ( unsigned i = 0; i < SCOPE_PROPSET_COUNT; i++ )
|
|
{
|
|
if ( rgPropertySet.guidPropertySet == _aPropSet[i].guidPropertySet )
|
|
{
|
|
break; // found source property set
|
|
}
|
|
}
|
|
|
|
//
|
|
// If not one of the scope propsets, return
|
|
//
|
|
|
|
if ( SCOPE_PROPSET_COUNT == i )
|
|
{
|
|
fFoundErrors = TRUE;
|
|
return;
|
|
}
|
|
|
|
DBPROPSET & srcPropSet = _aPropSet[i];
|
|
DBPROP * psrcDbProp = srcPropSet.rgProperties;
|
|
ULONG cPropsFound= 0;
|
|
ULONG cDbProps = rgPropertySetIDs.cPropertyIDs ?
|
|
rgPropertySetIDs.cPropertyIDs :
|
|
srcPropSet.cProperties;
|
|
|
|
XArrayOLEInPlace<CDbProp> aDbProps( cDbProps );
|
|
|
|
//
|
|
// scan private property set for reqeusted propId values
|
|
//
|
|
|
|
if ( 0 == rgPropertySetIDs.cPropertyIDs )
|
|
{
|
|
//
|
|
// return all properties
|
|
//
|
|
|
|
for ( i = 0; i < srcPropSet.cProperties; i++ )
|
|
{
|
|
if ( !aDbProps[i].Copy( psrcDbProp[i] ) )
|
|
THROW( CException(E_OUTOFMEMORY) );
|
|
|
|
Win4Assert( aDbProps[i].dwStatus == DBPROPSTATUS_OK );
|
|
}
|
|
|
|
cPropsFound = i;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// specific properties within this prop set are requested
|
|
//
|
|
|
|
for ( unsigned iPropsRequested = 0; iPropsRequested < rgPropertySetIDs.cPropertyIDs; iPropsRequested++ )
|
|
{
|
|
for ( unsigned iPropSrc = 0; iPropSrc < srcPropSet.cProperties; iPropSrc++ )
|
|
{
|
|
if ( rgPropertySetIDs.rgPropertyIDs[iPropsRequested] == psrcDbProp[iPropSrc].dwPropertyID )
|
|
{
|
|
if ( !aDbProps[iPropsRequested].Copy( psrcDbProp[iPropSrc] ) )
|
|
THROW( CException(E_OUTOFMEMORY) );
|
|
|
|
Win4Assert( aDbProps[iPropsRequested].dwStatus == DBPROPSTATUS_OK );
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
//
|
|
// if requested propID not found
|
|
//
|
|
|
|
if ( iPropSrc == srcPropSet.cProperties )
|
|
{
|
|
//
|
|
// Property ID not set
|
|
//
|
|
|
|
aDbProps[iPropsRequested].dwPropertyID = rgPropertySetIDs.rgPropertyIDs[iPropsRequested];
|
|
aDbProps[iPropsRequested].dwStatus = DBPROPSTATUS_NOTSET;
|
|
fFoundErrors = TRUE;
|
|
}
|
|
}
|
|
|
|
cPropsFound = iPropsRequested;
|
|
}
|
|
|
|
//
|
|
// free rgProperties allocated by base class, assign new one.
|
|
//
|
|
|
|
CoTaskMemFree( rgPropertySet.rgProperties );
|
|
rgPropertySet.rgProperties = aDbProps.Acquire();
|
|
rgPropertySet.cProperties = cPropsFound;
|
|
} //GetPropValues
|
|
|
|
|
|
|