183 lines
4.9 KiB
C++
183 lines
4.9 KiB
C++
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//+-------------------------------------------------------------------------
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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: exports.cxx
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//
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// Contents: Code to export filter and word breaker class factories
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//
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// History: 15-Aug-1994 SitaramR Created
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//
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// Notes: Copied from txtifilt.hxx and then modified
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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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#include <classf.hxx>
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#include <vquery.hxx>
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#include <ciintf.h>
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#include <opendoc.hxx>
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#include <ilangres.hxx>
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static const GUID clsidISearchCreator = CLSID_ISearchCreator;
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//+-------------------------------------------------------------------------
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//
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// Function: DllGetClassObject
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//
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// Synopsis: Ole DLL load class routine
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//
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// Arguments: [cid] -- Class to load
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// [iid] -- Interface to bind to on class object
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// [ppvObj] -- Interface pointer returned here
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//
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// Returns: Text filter or a word breaker class factory
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//
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// History: 23-Feb-1994 KyleP Created
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//
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//--------------------------------------------------------------------------
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extern "C" SCODE STDMETHODCALLTYPE FsciDllGetClassObject(
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REFCLSID cid,
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REFIID iid,
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void ** ppvObj )
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{
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IUnknown * pResult;
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SCODE sc = S_OK;
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TRY
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{
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if ( guidStorageFilterObject == cid)
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pResult = (IUnknown *) new CStorageFilterObjectCF;
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else if ( guidStorageDocStoreLocatorObject == cid)
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pResult = (IUnknown *) new CStorageDocStoreLocatorObjectCF;
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else
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{
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ciDebugOut(( DEB_ITRACE, "DllGetClassObject: no such interface found\n" ));
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pResult = 0;
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sc = E_NOINTERFACE;
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}
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}
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CATCH(CException, e)
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{
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switch( e.GetErrorCode() )
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{
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case E_OUTOFMEMORY:
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sc = (E_OUTOFMEMORY);
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break;
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default:
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sc = (E_UNEXPECTED);
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}
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}
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END_CATCH;
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if (0 != pResult)
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{
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sc = pResult->QueryInterface( iid, ppvObj );
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pResult->Release();
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}
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return sc;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: MakeISearch
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//
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// Synopsis: Creates an ISearch interface for highlighting the given
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// document.
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//
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// Arguments: [ppSearch] - [out] Will have the ISearch interface pointer.
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// [pRst] - [in] The restriction to apply
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// [pwszPath] - [in] The path of the document
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//
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// History: 2-26-97 srikants Created
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//
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//----------------------------------------------------------------------------
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SCODE MakeISearch(
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ISearchQueryHits ** ppSearch,
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CDbRestriction * pRst,
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WCHAR const * pwszPath )
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{
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// intentional access violation on bogus params
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*ppSearch = 0;
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SCODE sc = S_OK;
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TRANSLATE_EXCEPTIONS;
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TRY
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{
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//
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// Create the language resources.
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//
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XInterface<CLanguageResourceInterface> xLangRes( new CLanguageResourceInterface );
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XInterface<ICiCLangRes> xICiCLangRes;
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SCODE sc = xLangRes->QueryInterface( IID_ICiCLangRes,
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xICiCLangRes.GetQIPointer() );
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if ( FAILED(sc) )
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THROW(CException(sc));
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//
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// Create the OpenDocument.
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//
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XInterface<ICiCOpenedDoc> xOpenDoc;
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if ( 0 != pwszPath )
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{
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xOpenDoc.Set( new CCiCOpenedDoc( 0, 0, FALSE, FALSE ) );
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sc = xOpenDoc->Open( (BYTE *) pwszPath,
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( 1 + wcslen(pwszPath) ) * sizeof WCHAR );
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if ( FAILED(sc) )
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THROW( CException( sc ) );
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}
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XInterface<ICiISearchCreator> xSearchCreator;
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sc = CoCreateInstance( clsidISearchCreator,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_ICiISearchCreator,
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xSearchCreator.GetQIPointer() );
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if ( FAILED(sc) )
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THROW( CException(sc) );
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sc = xSearchCreator->CreateISearch( pRst->CastToStruct(),
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xICiCLangRes.GetPointer(),
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xOpenDoc.GetPointer(),
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ppSearch );
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if ( FAILED(sc) )
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THROW( CException(sc) );
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}
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CATCH ( CException, e )
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{
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//
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// MakeISearch clients must be smart and able to handle real
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// errors that actually happen. It's not OLE DB.
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//
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sc = GetScodeError( e );
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vqDebugOut(( DEB_ERROR,
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"MakeISearch error 0x%x => 0x%x\n",
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e.GetErrorCode(),
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sc ));
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}
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END_CATCH;
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UNTRANSLATE_EXCEPTIONS;
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return sc;
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} //MakeISearch
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