windows-nt/Source/XPSP1/NT/inetsrv/query/cifrmwrk/dll/exports.cxx
2020-09-26 16:20:57 +08:00

99 lines
2.7 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1994
//
// 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 <classid.hxx>
#include <nullfilt.hxx>
#include <txtifilt.hxx>
#include <defbreak.hxx>
#include <cicontrl.hxx>
#include <isrchcf.hxx>
#include <nullstem.hxx>
CLSID clsidNlCiControl = CLSID_NLCiControl;
// 78fe669a-186e-4108-96e9-77b586c1332f
CLSID clsidNullStemmer = { 0x78fe669a, 0x186e, 0x4108, {0x96, 0xe9, 0x77, 0xb5, 0x86, 0xc1, 0x33, 0x2f} };
//+-------------------------------------------------------------------------
//
// Function: CifrmwrkDllGetClassObject
//
// 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 CifrmwrkDllGetClassObject(
REFCLSID cid,
REFIID iid,
void ** ppvObj )
{
IUnknown * pResult = 0;
SCODE sc = S_OK;
TRY
{
if ( CLSID_CTextIFilter == cid || CLSID_CTextClass == cid )
pResult = (IUnknown *)new CTextIFilterCF;
else if ( CLSID_CNullIFilter == cid )
pResult = (IUnknown *)new CNullIFilterCF;
else if ( CLSID_Neutral_WBreaker == cid )
pResult = (IUnknown *)new CDefWordBreakerCF;
else if ( clsidCiControl == cid || clsidNlCiControl == cid )
pResult = (IUnknown *) new CCiControlObjectCF;
else if ( clsidISearchCreator == cid)
pResult = (IUnknown *) new CCiISearchCreatorCF;
else if ( clsidNullStemmer == cid)
pResult = (IUnknown *) new CNullStemmerCF;
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);
}