You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
445 lines
13 KiB
445 lines
13 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 2000
|
|
//
|
|
// File: cxxifilt.cxx
|
|
//
|
|
// Contents: C++ filter 'class factory'.
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#include <pch.cxx>
|
|
#pragma hdrstop
|
|
|
|
#include <filtreg.hxx>
|
|
|
|
long gulcInstances = 0;
|
|
|
|
extern "C" CLSID TYPID_CxxIFilter = {
|
|
0x96fe75e0,
|
|
0xa581,
|
|
0x101a,
|
|
{ 0xb5, 0x53, 0x08, 0x00, 0x2b, 0x33, 0xb0, 0xe6 }
|
|
};
|
|
|
|
extern "C" CLSID CLSID_CxxIFilter = {
|
|
0xC1BCD320,
|
|
0xBF96,
|
|
0x11CD,
|
|
{ 0xB5, 0x79, 0x08, 0x00, 0x2B, 0x30, 0xBF, 0xEB }
|
|
};
|
|
|
|
extern "C" CLSID CLSID_CxxClass = {
|
|
0x96fe75e1,
|
|
0xa581,
|
|
0x101a,
|
|
{ 0xb5, 0x53, 0x08, 0x00, 0x2b, 0x33, 0xb0, 0xe6 }
|
|
};
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterBase::CxxIFilterBase
|
|
//
|
|
// Synopsis: Base constructor
|
|
//
|
|
// Effects: Manages global refcount
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CxxIFilterBase::CxxIFilterBase()
|
|
{
|
|
_uRefs = 1;
|
|
InterlockedIncrement( &gulcInstances );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterBase::~CxxIFilterBase
|
|
//
|
|
// Synopsis: Base destructor
|
|
//
|
|
// Effects: Manages global refcount
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CxxIFilterBase::~CxxIFilterBase()
|
|
{
|
|
InterlockedDecrement( &gulcInstances );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterBase::QueryInterface
|
|
//
|
|
// Synopsis: Rebind to other interface
|
|
//
|
|
// Arguments: [riid] -- IID of new interface
|
|
// [ppvObject] -- New interface * returned here
|
|
//
|
|
// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
SCODE STDMETHODCALLTYPE CxxIFilterBase::QueryInterface( REFIID riid,
|
|
void ** ppvObject)
|
|
{
|
|
SCODE sc = S_OK;
|
|
|
|
if ( 0 == ppvObject )
|
|
return E_INVALIDARG;
|
|
|
|
*ppvObject = 0;
|
|
|
|
if ( IID_IFilter == riid )
|
|
*ppvObject = (IUnknown *)(IFilter *)this;
|
|
else if ( IID_IPersist == riid )
|
|
*ppvObject = (IUnknown *)(IPersist *)(IPersistFile *)this;
|
|
else if ( IID_IPersistFile == riid )
|
|
*ppvObject = (IUnknown *)(IPersistFile *)this;
|
|
else if ( IID_IPersistStream == riid )
|
|
*ppvObject = (IUnknown *)(IPersistStream *)this;
|
|
else if ( IID_IUnknown == riid )
|
|
*ppvObject = (IUnknown *)(IPersist *)(IPersistFile *)this;
|
|
else
|
|
sc = E_NOINTERFACE;
|
|
|
|
if ( SUCCEEDED( sc ) )
|
|
AddRef();
|
|
|
|
return sc;
|
|
} //QueryInterface
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterBase::AddRef
|
|
//
|
|
// Synopsis: Increments refcount
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
ULONG STDMETHODCALLTYPE CxxIFilterBase::AddRef()
|
|
{
|
|
return InterlockedIncrement( &_uRefs );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterBase::Release
|
|
//
|
|
// Synopsis: Decrement refcount. Delete if necessary.
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
ULONG STDMETHODCALLTYPE CxxIFilterBase::Release()
|
|
{
|
|
unsigned long uTmp = InterlockedDecrement( &_uRefs );
|
|
|
|
if ( 0 == uTmp )
|
|
delete this;
|
|
|
|
return(uTmp);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::CxxIFilterCF
|
|
//
|
|
// Synopsis: Text IFilter class factory constructor
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CxxIFilterCF::CxxIFilterCF()
|
|
{
|
|
_uRefs = 1;
|
|
long c = InterlockedIncrement( &gulcInstances );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::~CxxIFilterCF
|
|
//
|
|
// Synopsis: Text IFilter class factory constructor
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CxxIFilterCF::~CxxIFilterCF()
|
|
{
|
|
long c = InterlockedDecrement( &gulcInstances );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::QueryInterface
|
|
//
|
|
// Synopsis: Rebind to other interface
|
|
//
|
|
// Arguments: [riid] -- IID of new interface
|
|
// [ppvObject] -- New interface * returned here
|
|
//
|
|
// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
SCODE STDMETHODCALLTYPE CxxIFilterCF::QueryInterface( REFIID riid,
|
|
void ** ppvObject )
|
|
{
|
|
SCODE sc = S_OK;
|
|
|
|
if ( 0 == ppvObject )
|
|
return E_INVALIDARG;
|
|
|
|
*ppvObject = 0;
|
|
|
|
if ( IID_IClassFactory == riid )
|
|
*ppvObject = (IUnknown *)(IClassFactory *)this;
|
|
else if ( IID_ITypeLib == riid )
|
|
sc = E_NOTIMPL;
|
|
else if ( IID_IUnknown == riid )
|
|
*ppvObject = (IUnknown *)(IClassFactory *)this;
|
|
else
|
|
sc = E_NOINTERFACE;
|
|
|
|
if ( SUCCEEDED( sc ) )
|
|
AddRef();
|
|
|
|
return sc;
|
|
} //QueryInterface
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::AddRef
|
|
//
|
|
// Synopsis: Increments refcount
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
ULONG STDMETHODCALLTYPE CxxIFilterCF::AddRef()
|
|
{
|
|
return InterlockedIncrement( &_uRefs );
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::Release
|
|
//
|
|
// Synopsis: Decrement refcount. Delete if necessary.
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
ULONG STDMETHODCALLTYPE CxxIFilterCF::Release()
|
|
{
|
|
unsigned long uTmp = InterlockedDecrement( &_uRefs );
|
|
|
|
if ( 0 == uTmp )
|
|
delete this;
|
|
|
|
return(uTmp);
|
|
}
|
|
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::CreateInstance
|
|
//
|
|
// Synopsis: Creates new TextIFilter object
|
|
//
|
|
// Arguments: [pUnkOuter] -- 'Outer' IUnknown
|
|
// [riid] -- Interface to bind
|
|
// [ppvObject] -- Interface returned here
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
SCODE STDMETHODCALLTYPE CxxIFilterCF::CreateInstance( IUnknown * pUnkOuter,
|
|
REFIID riid,
|
|
void * * ppvObject )
|
|
{
|
|
CxxIFilter * pIUnk = 0;
|
|
SCODE sc = S_OK;
|
|
|
|
CTranslateSystemExceptions translate;
|
|
|
|
TRY
|
|
{
|
|
pIUnk = new CxxIFilter();
|
|
sc = pIUnk->QueryInterface( riid , ppvObject );
|
|
|
|
if( SUCCEEDED(sc) )
|
|
pIUnk->Release(); // Release extra refcount from QueryInterface
|
|
}
|
|
CATCH(CException, e)
|
|
{
|
|
Win4Assert( 0 == pIUnk );
|
|
|
|
switch( e.GetErrorCode() )
|
|
{
|
|
case E_OUTOFMEMORY:
|
|
sc = (E_OUTOFMEMORY);
|
|
break;
|
|
default:
|
|
sc = (E_UNEXPECTED);
|
|
}
|
|
}
|
|
END_CATCH;
|
|
|
|
return (sc);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CxxIFilterCF::LockServer
|
|
//
|
|
// Synopsis: Force class factory to remain loaded
|
|
//
|
|
// Arguments: [fLock] -- TRUE if locking, FALSE if unlocking
|
|
//
|
|
// Returns: S_OK
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
SCODE STDMETHODCALLTYPE CxxIFilterCF::LockServer(BOOL fLock)
|
|
{
|
|
if(fLock)
|
|
InterlockedIncrement( &gulcInstances );
|
|
else
|
|
InterlockedDecrement( &gulcInstances );
|
|
|
|
return(S_OK);
|
|
}
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// 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 class factory
|
|
//
|
|
// History: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
extern "C" SCODE STDMETHODCALLTYPE DllGetClassObject( REFCLSID cid,
|
|
REFIID iid,
|
|
void ** ppvObj )
|
|
{
|
|
IUnknown * pResult = 0;
|
|
SCODE sc = S_OK;
|
|
|
|
CTranslateSystemExceptions translate;
|
|
|
|
TRY
|
|
{
|
|
if ( memcmp( &cid, &CLSID_CxxIFilter, sizeof(cid) ) == 0
|
|
|| memcmp( &cid, &CLSID_CxxClass, sizeof(cid) ) == 0 )
|
|
pResult = (IUnknown *) new CxxIFilterCF;
|
|
else
|
|
sc = E_NOINTERFACE;
|
|
|
|
if( pResult )
|
|
{
|
|
sc = pResult->QueryInterface( iid, ppvObj );
|
|
pResult->Release(); // Release extra refcount from QueryInterface
|
|
}
|
|
}
|
|
CATCH(CException, e)
|
|
{
|
|
if ( pResult )
|
|
pResult->Release();
|
|
|
|
switch( e.GetErrorCode() )
|
|
{
|
|
case E_OUTOFMEMORY:
|
|
sc = (E_OUTOFMEMORY);
|
|
break;
|
|
default:
|
|
sc = (E_UNEXPECTED);
|
|
}
|
|
}
|
|
END_CATCH;
|
|
|
|
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: 23-Feb-1994 KyleP Created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
extern "C" SCODE STDMETHODCALLTYPE DllCanUnloadNow( void )
|
|
{
|
|
if ( 0 == gulcInstances )
|
|
return( S_OK );
|
|
else
|
|
return( S_FALSE );
|
|
}
|
|
|
|
SClassEntry const aCxxClasses[] =
|
|
{
|
|
{ L".cpp", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".hpp", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".cxx", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".hxx", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".c", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".h", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".w", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".acf", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".idl", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".inl", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
{ L".odl", L"CxxFile", L"Class for C and C++ Files", L"{96fe75e1-a581-101a-b553-08002b33b0e6}", L"Class for C and C++ Files" },
|
|
};
|
|
|
|
SHandlerEntry const CxxHandler =
|
|
{
|
|
L"{5f2cb400-bf96-11cd-b579-08002b30bfeb}",
|
|
L"C++ persistent handler",
|
|
L"{c1bcd320-bf96-11cd-b579-08002b30bfeb}",
|
|
};
|
|
|
|
SFilterEntry const CxxFilter =
|
|
{
|
|
L"{c1bcd320-bf96-11cd-b579-08002b30bfeb}",
|
|
L"C++ IFilter",
|
|
L"cxxflt.dll",
|
|
L"Both"
|
|
};
|
|
|
|
DEFINE_DLLREGISTERFILTER( CxxHandler, CxxFilter, aCxxClasses )
|
|
|