windows-nt/Source/XPSP1/NT/inetsrv/intlwb/thai2/wb/exports.cxx
2020-09-26 16:20:57 +08:00

121 lines
2.9 KiB
C++

//+-------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1997
//
// File: exports.cxx
//
// Contents: Code to export word breaker class factories
//
// History: weibz, 11-10-1997 created
//
//--------------------------------------------------------------------------
#include <pch.cxx>
#include <classid.hxx>
#include <wbclassf.hxx>
#include <stemcf.hxx>
long gulcInstances = 0;
//+-------------------------------------------------------------------------
//
// 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
//
//--------------------------------------------------------------------------
extern "C" SCODE STDMETHODCALLTYPE
DllGetClassObject(
REFCLSID cid,
REFIID iid,
void ** ppvObj )
{
IUnknown * pResult = 0;
SCODE sc = S_OK;
// __try {
switch ( cid.Data1 ) {
// Thai language wordbreaker
//
case 0xB66F590A:
case 0xcca22cf4:
if ( cid == CLSID_Thai_Default_WBreaker ) {
pResult = (IUnknown *) new CWordBreakerCF(
MAKELCID( MAKELANGID(LANG_THAI, SUBLANG_DEFAULT),
SORT_DEFAULT ));
if (pResult) {
sc = pResult->QueryInterface( iid, ppvObj );
pResult->Release(); // Release extra refcount from QueryInterface
}
else
sc = E_NOINTERFACE;
}
else
sc = E_NOINTERFACE;
break;
// Thai language stemmer
//
case 0x52CC7D83:
case 0xcedc01c7:
if ( cid == CLSID_Thai_Default_Stemmer )
{
pResult = (IUnknown *) new CStemmerCF(
MAKELCID( MAKELANGID(LANG_THAI, SUBLANG_DEFAULT),
SORT_DEFAULT ));
if (pResult) {
sc = pResult->QueryInterface( iid, ppvObj );
pResult->Release(); // Release extra refcount from QueryInterface
}
else
sc = E_NOINTERFACE;
}
else
sc = E_NOINTERFACE;
break;
default:
sc = E_NOINTERFACE;
}
/* } __except(1) {
if ( pResult )
pResult->Release();
sc = E_UNEXPECTED;
} */
return (sc);
}
//+-------------------------------------------------------------------------
//
// Method: DllCanUnloadNow
//
// Synopsis: Notifies DLL to unload (cleanup global resources)
//
// Returns: S_OK if it is acceptable for caller to unload DLL.
//
// History: weibz, 11-10-1997 created
//
//--------------------------------------------------------------------------
extern "C" SCODE STDMETHODCALLTYPE DllCanUnloadNow( void )
{
if ( gulcInstances <= 0 )
return( S_OK );
else
return( S_FALSE );
}