Windows-Server-2003/inetsrv/query/fsci/dll/exports.cxx

183 lines
4.9 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1998
//
// File: exports.cxx
//
// Contents: Code to export filter and word breaker class factories
//
// History: 15-Aug-1994 SitaramR Created
//
// Notes: Copied from txtifilt.hxx and then modified
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#pragma hdrstop
#include <classf.hxx>
#include <vquery.hxx>
#include <ciintf.h>
#include <opendoc.hxx>
#include <ilangres.hxx>
static const GUID clsidISearchCreator = CLSID_ISearchCreator;
//+-------------------------------------------------------------------------
//
// Function: DllGetClassObject
//
// Synopsis: Ole DLL load class routine
//
// Arguments: [cid] -- Class to load
// [iid] -- Interface to bind to on class object
// [ppvObj] -- Interface pointer returned here
//
// Returns: Text filter or a word breaker class factory
//
// History: 23-Feb-1994 KyleP Created
//
//--------------------------------------------------------------------------
extern "C" SCODE STDMETHODCALLTYPE FsciDllGetClassObject(
REFCLSID cid,
REFIID iid,
void ** ppvObj )
{
IUnknown * pResult;
SCODE sc = S_OK;
TRY
{
if ( guidStorageFilterObject == cid)
pResult = (IUnknown *) new CStorageFilterObjectCF;
else if ( guidStorageDocStoreLocatorObject == cid)
pResult = (IUnknown *) new CStorageDocStoreLocatorObjectCF;
else
{
ciDebugOut(( DEB_ITRACE, "DllGetClassObject: no such interface found\n" ));
pResult = 0;
sc = E_NOINTERFACE;
}
}
CATCH(CException, e)
{
switch( e.GetErrorCode() )
{
case E_OUTOFMEMORY:
sc = (E_OUTOFMEMORY);
break;
default:
sc = (E_UNEXPECTED);
}
}
END_CATCH;
if (0 != pResult)
{
sc = pResult->QueryInterface( iid, ppvObj );
pResult->Release();
}
return sc;
}
//+---------------------------------------------------------------------------
//
// Function: MakeISearch
//
// Synopsis: Creates an ISearch interface for highlighting the given
// document.
//
// Arguments: [ppSearch] - [out] Will have the ISearch interface pointer.
// [pRst] - [in] The restriction to apply
// [pwszPath] - [in] The path of the document
//
// History: 2-26-97 srikants Created
//
//----------------------------------------------------------------------------
SCODE MakeISearch(
ISearchQueryHits ** ppSearch,
CDbRestriction * pRst,
WCHAR const * pwszPath )
{
// intentional access violation on bogus params
*ppSearch = 0;
SCODE sc = S_OK;
TRANSLATE_EXCEPTIONS;
TRY
{
//
// Create the language resources.
//
XInterface<CLanguageResourceInterface> xLangRes( new CLanguageResourceInterface );
XInterface<ICiCLangRes> xICiCLangRes;
SCODE sc = xLangRes->QueryInterface( IID_ICiCLangRes,
xICiCLangRes.GetQIPointer() );
if ( FAILED(sc) )
THROW(CException(sc));
//
// Create the OpenDocument.
//
XInterface<ICiCOpenedDoc> xOpenDoc;
if ( 0 != pwszPath )
{
xOpenDoc.Set( new CCiCOpenedDoc( 0, 0, FALSE, FALSE ) );
sc = xOpenDoc->Open( (BYTE *) pwszPath,
( 1 + wcslen(pwszPath) ) * sizeof WCHAR );
if ( FAILED(sc) )
THROW( CException( sc ) );
}
XInterface<ICiISearchCreator> xSearchCreator;
sc = CoCreateInstance( clsidISearchCreator,
NULL,
CLSCTX_INPROC_SERVER,
IID_ICiISearchCreator,
xSearchCreator.GetQIPointer() );
if ( FAILED(sc) )
THROW( CException(sc) );
sc = xSearchCreator->CreateISearch( pRst->CastToStruct(),
xICiCLangRes.GetPointer(),
xOpenDoc.GetPointer(),
ppSearch );
if ( FAILED(sc) )
THROW( CException(sc) );
}
CATCH ( CException, e )
{
//
// MakeISearch clients must be smart and able to handle real
// errors that actually happen. It's not OLE DB.
//
sc = GetScodeError( e );
vqDebugOut(( DEB_ERROR,
"MakeISearch error 0x%x => 0x%x\n",
e.GetErrorCode(),
sc ));
}
END_CATCH;
UNTRANSLATE_EXCEPTIONS;
return sc;
} //MakeISearch