332 lines
8.5 KiB
C++
332 lines
8.5 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1994
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//
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// File: txtifilt.cxx
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//
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// Contents: Text filter 'class factory'.
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//
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// History: 23-Feb-1994 KyleP Created
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//
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// Notes: Machine generated. Hand 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 <tfilt.hxx>
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#include <nullfilt.hxx>
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#include <params.hxx>
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#include <ciregkey.hxx>
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#include <regacc.hxx>
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extern long gulcInstances;
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extern "C" GUID TYPID_CTextIFilter = {
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0xd5355200,
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0x77e3,
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0x101a,
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{ 0xb5, 0x52, 0x08, 0x00, 0x2b, 0x33, 0xb0, 0xe6 }
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};
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ULONG g_cbMaxTextFilter = CI_MAX_TEXT_FILTER_BYTES_DEFAULT;
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterBase::CTextIFilterBase
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//
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// Synopsis: Base constructor
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//
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// Effects: Manages global refcount
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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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CTextIFilterBase::CTextIFilterBase()
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: _cRefs(1)
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{
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InterlockedIncrement( &gulcInstances );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterBase::~CTextIFilterBase
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//
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// Synopsis: Base destructor
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//
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// Effects: Manages global refcount
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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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CTextIFilterBase::~CTextIFilterBase()
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{
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InterlockedDecrement( &gulcInstances );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterBase::QueryInterface
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//
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// Synopsis: Rebind to other interface
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//
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// Arguments: [riid] -- IID of new interface
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// [ppvObject] -- New interface * returned here
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//
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// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
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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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SCODE STDMETHODCALLTYPE CTextIFilterBase::QueryInterface( REFIID riid,
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void ** ppvObject)
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{
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SCODE sc = S_OK;
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if ( 0 == ppvObject )
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return E_INVALIDARG;
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*ppvObject = 0;
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if ( IID_IFilter == riid )
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*ppvObject = (IUnknown *)(IFilter *)this;
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else if ( IID_IPersist == riid )
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*ppvObject = (IUnknown *)(IPersist *)(IPersistFile *)this;
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else if ( IID_IPersistFile == riid )
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*ppvObject = (IUnknown *)(IPersistFile *)this;
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else if ( IID_IUnknown == riid )
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*ppvObject = (IUnknown *)(IPersist *)(IPersistFile *)this;
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else
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sc = E_NOINTERFACE;
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if ( SUCCEEDED( sc ) )
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AddRef();
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return sc;
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} //QueryInterface
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterBase::AddRef
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//
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// Synopsis: Increments refcount
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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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ULONG STDMETHODCALLTYPE CTextIFilterBase::AddRef()
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{
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return InterlockedIncrement( &_cRefs );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterBase::Release
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//
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// Synopsis: Decrement refcount. Delete if necessary.
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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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ULONG STDMETHODCALLTYPE CTextIFilterBase::Release()
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{
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unsigned long uTmp = InterlockedDecrement( &_cRefs );
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if ( 0 == uTmp )
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delete this;
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return(uTmp);
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::CTextIFilterCF
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//
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// Synopsis: Text IFilter class factory constructor
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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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CTextIFilterCF::CTextIFilterCF()
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: _cRefs( 1 )
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{
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InterlockedIncrement( &gulcInstances );
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CRegAccess reg( RTL_REGISTRY_CONTROL, wcsRegAdmin );
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g_cbMaxTextFilter= reg.Read( wcsMaxTextFilterBytes,
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CI_MAX_TEXT_FILTER_BYTES_DEFAULT,
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CI_MAX_TEXT_FILTER_BYTES_MIN,
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CI_MAX_TEXT_FILTER_BYTES_MAX );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::~CTextIFilterCF
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//
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// Synopsis: Text IFilter class factory constructor
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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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CTextIFilterCF::~CTextIFilterCF()
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{
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InterlockedDecrement( &gulcInstances );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::QueryInterface
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//
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// Synopsis: Rebind to other interface
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//
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// Arguments: [riid] -- IID of new interface
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// [ppvObject] -- New interface * returned here
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//
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// Returns: S_OK if bind succeeded, E_NOINTERFACE if bind failed
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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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SCODE STDMETHODCALLTYPE CTextIFilterCF::QueryInterface( REFIID riid,
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void ** ppvObject )
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{
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SCODE sc = S_OK;
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if ( 0 == ppvObject )
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return E_INVALIDARG;
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*ppvObject = 0;
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if ( IID_IClassFactory == riid )
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*ppvObject = (IUnknown *)(IClassFactory *)this;
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else if ( IID_IUnknown == riid )
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*ppvObject = (IUnknown *)(IClassFactory *)this;
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else if ( IID_ITypeLib == riid )
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sc = E_NOTIMPL;
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else
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sc = E_NOINTERFACE;
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if ( SUCCEEDED( sc ) )
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AddRef();
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return sc;
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} //QueryInterface
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::AddRef
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//
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// Synopsis: Increments refcount
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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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ULONG STDMETHODCALLTYPE CTextIFilterCF::AddRef()
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{
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return InterlockedIncrement( &_cRefs );
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::Release
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//
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// Synopsis: Decrement refcount. Delete if necessary.
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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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ULONG STDMETHODCALLTYPE CTextIFilterCF::Release()
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{
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unsigned long uTmp = InterlockedDecrement( &_cRefs );
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if ( 0 == uTmp )
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delete this;
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return(uTmp);
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::CreateInstance
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//
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// Synopsis: Creates new TextIFilter object
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//
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// Arguments: [pUnkOuter] -- 'Outer' IUnknown
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// [riid] -- Interface to bind
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// [ppvObject] -- Interface returned here
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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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SCODE STDMETHODCALLTYPE CTextIFilterCF::CreateInstance( IUnknown * pUnkOuter,
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REFIID riid,
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void * * ppvObject )
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{
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CTextIFilter * pIUnk = 0;
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SCODE sc = S_OK;
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TRY
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{
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pIUnk = new CTextIFilter();
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sc = pIUnk->QueryInterface( riid , ppvObject );
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pIUnk->Release(); // Release extra refcount from QueryInterface
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}
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CATCH(CException, e)
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{
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Win4Assert( 0 == pIUnk );
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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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return (sc);
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}
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//+-------------------------------------------------------------------------
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//
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// Method: CTextIFilterCF::LockServer
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//
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// Synopsis: Force class factory to remain loaded
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//
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// Arguments: [fLock] -- TRUE if locking, FALSE if unlocking
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//
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// Returns: S_OK
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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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SCODE STDMETHODCALLTYPE CTextIFilterCF::LockServer(BOOL fLock)
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{
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if(fLock)
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InterlockedIncrement( &gulcInstances );
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else
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InterlockedDecrement( &gulcInstances );
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return(S_OK);
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}
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