shadvsrc.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:11k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include "smlffpln.ver"
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "hxcomm.h"
- #include "ihxpckts.h"
- #include "hxformt.h"
- #include "hxvsrc.h" /*IHXFileViewSource*/
- #include "chxfgbuf.h" /*CHXFragmentedBuffer*/
- #include "shadvsrc.h"
- #include "escsmil.h" /* CEscapeSMIL */
- // as defined in smlffpln.cpp
- static const UINT32 FileChunkSize = 10000; //XXXBAB adjust
- CShadowViewSource::CShadowViewSource(IUnknown* pContext,
- IUnknown* pContainer)
- : m_lRefCount(0)
- , m_pContext(NULL)
- , m_pCommonClassFactory(NULL)
- , m_pFileObject(NULL)
- , m_pViewSourceResponse(NULL)
- , m_type(HTML_SOURCE)
- , m_pBuffer(NULL)
- , m_pContainer(NULL)
- , m_pOptions(NULL)
- {
- m_pContext = pContext;
- HX_ASSERT(m_pContext != NULL);
- m_pContext->AddRef();
- m_pContainer = pContainer;
- HX_ASSERT(m_pContainer != NULL);
- m_pContainer->AddRef();
- };
- CShadowViewSource::~CShadowViewSource()
- {
- Close();
- }
- /* *** IUnknown methods *** */
- /************************************************************************
- * Method:
- * IUnknown::QueryInterface
- * Purpose:
- * Implement this to export the interfaces supported by your
- * object.
- */
- STDMETHODIMP CShadowViewSource::QueryInterface(REFIID riid, void** ppvObj)
- {
- if (IsEqualIID(riid, IID_IHXFileViewSource))
- {
- AddRef();
- *ppvObj = (IHXFileViewSource*)this;
- return HXR_OK;
- }
- else if (m_pContainer != NULL)
- {
- // deligate to our container
- return m_pContainer->QueryInterface(riid, ppvObj);
- }
- else if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = m_pContainer;
- return HXR_OK;
- }
- *ppvObj = NULL;
- // deligate to our container
- return HXR_NOINTERFACE;
- }
- /************************************************************************
- * Method:
- * IUnknown::AddRef
- * Purpose:
- * Everyone usually implements this the same... feel free to use
- * this implementation.
- */
- STDMETHODIMP_(ULONG32) CShadowViewSource::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /************************************************************************
- * Method:
- * IUnknown::Release
- * Purpose:
- * Everyone usually implements this the same... feel free to use
- * this implementation.
- */
- STDMETHODIMP_(ULONG32) CShadowViewSource::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- /************************************************************************
- * Method:
- * IHXFileViewSource::Close()
- * Purpose:
- * Close down...
- */
- STDMETHODIMP
- CShadowViewSource::Close()
- {
- HX_RELEASE(m_pContext);
- HX_RELEASE(m_pCommonClassFactory);
- HX_RELEASE(m_pOptions);
- if (m_pFileObject)
- {
- m_pFileObject->Close();
- HX_RELEASE(m_pFileObject);
- }
- HX_RELEASE(m_pBuffer);
- HX_RELEASE(m_pContainer);
- if ( m_pViewSourceResponse != NULL )
- {
- m_pViewSourceResponse->CloseDone(HXR_OK);
- HX_RELEASE(m_pViewSourceResponse);
- }
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXFileViewSource::InitViewSource
- * Purpose:
- * Called by the user to init before a viewsource.
- */
- STDMETHODIMP
- CShadowViewSource::InitViewSource(
- IHXFileObject* pFileObject,
- IHXFileViewSourceResponse* pResp,
- SOURCE_TYPE sourceType,
- IHXValues* pOptions)
- {
- if ( sourceType == HTML_SOURCE )
- {
- m_type = HTML_SOURCE;
- }
- else if ( sourceType == RAW_SOURCE )
- {
- m_type = RAW_SOURCE;
- }
- else
- {
- HX_ASSERT(FALSE);
- return HXR_UNEXPECTED;
- }
- HX_RELEASE(m_pCommonClassFactory);
- HX_RESULT ret = m_pContext->QueryInterface(IID_IHXCommonClassFactory,
- (void**)&m_pCommonClassFactory);
- if ( !SUCCEEDED(ret) )
- {
- return ret;
- }
- HX_ASSERT(pResp != NULL);
-
- HX_RELEASE(m_pOptions);
- m_pOptions = pOptions;
- m_pOptions->AddRef();
- HX_RELEASE(m_pViewSourceResponse);
- m_pViewSourceResponse = pResp;
- m_pViewSourceResponse->AddRef();
- if ( m_pFileObject != NULL )
- {
- m_pFileObject->Close();
- HX_RELEASE(m_pFileObject);
- }
- m_pFileObject = pFileObject;
- HX_ASSERT(m_pFileObject != NULL);
- m_pFileObject->AddRef();
- IHXFileStat* pStat = NULL;
- if ( SUCCEEDED(m_pFileObject->QueryInterface(IID_IHXFileStat,
- (void**)&pStat)) )
- {
- pStat->Stat(this);
- }
- HX_RELEASE(pStat);
- return HXR_OK;
- }
- STDMETHODIMP
- CShadowViewSource::StatDone(HX_RESULT status, UINT32 ulSize, UINT32 ulCreationTime,
- UINT32 ulAccessTime, UINT32 ulModificationTime,
- UINT32 ulMode)
- {
- m_pOptions->SetPropertyULONG32("FileSize", ulSize);
- m_pOptions->SetPropertyULONG32("ModificationTime", ulModificationTime);
- IHXBuffer* pName = NULL;
- const char* p = NULL;
- m_pFileObject->GetFilename(p);
- if ( SUCCEEDED(m_pCommonClassFactory->CreateInstance(CLSID_IHXBuffer,
- (void**)&pName)) )
- {
- pName->Set((const UCHAR*)p, strlen(p) + 1);
- }
- m_pOptions->SetPropertyCString("FileName", pName);
- HX_RELEASE(pName);
- return m_pFileObject->Init(HX_FILE_READ, this);
- }
- /************************************************************************
- * Method:
- * IHXFileViewSource::GetSource
- * Purpose:
- * Called to get source html source. Return the source
- * through m_pViewSourceResoponse
- */
- STDMETHODIMP
- CShadowViewSource::GetSource()
- {
- HX_ASSERT(m_pViewSourceResponse != NULL);
- HX_ASSERT(m_pFileObject != NULL);
- return m_pFileObject->Read(FileChunkSize);
- }
- /************************************************************************
- * Method:
- * IHXFileResponse::InitDone
- * Purpose:
- * Notification interface provided by users of the IHXFileObject
- * interface. This method is called by the IHXFileObject when the
- * initialization of the file is complete.
- */
- STDMETHODIMP CShadowViewSource::InitDone( HX_RESULT status )
- {
- HX_ASSERT(m_pViewSourceResponse != NULL);
- return m_pViewSourceResponse->InitDone(status);
- }
- /************************************************************************
- * Method:
- * IHXFileResponse::ReadDone
- * Purpose:
- * Notification interface provided by users of the IHXFileObject
- * interface. This method is called by the IHXFileObject when the
- * last read from the file is complete and a buffer is available.
- */
- STDMETHODIMP CShadowViewSource::ReadDone(HX_RESULT status,
- IHXBuffer* pBuffer)
- {
- HX_RESULT result = HXR_OK;
- if ( m_pBuffer == NULL )
- {
- m_pBuffer = new CHXFragmentedBuffer();
- if ( m_pBuffer == NULL )
- {
- return HXR_OUTOFMEMORY;
- }
- m_pBuffer->AddRef();
- m_pBuffer->Set(pBuffer->GetBuffer(), pBuffer->GetSize());
- }
- else // we are in a recursion...
- {
- // guard against a unneeded recursion in the case that our file size was
- // an exact multiple of FileChunkSize
- if ( pBuffer != NULL )
- {
- m_pBuffer->Append(pBuffer, 0, pBuffer->GetSize());
- }
- }
- if ( pBuffer->GetSize() == FileChunkSize )
- {
- m_pFileObject->Read(FileChunkSize); //XXXBAB recursive!!!
- }
- else
- {
- HX_ASSERT(m_pViewSourceResponse != NULL);
- if ( SUCCEEDED(result) )
- {
- if ( m_type == HTML_SOURCE )
- {
- CEscapeSMIL smilParser(m_pOptions);
- IHXBuffer* pTheStuff = NULL;
- if ( SUCCEEDED(smilParser.Convert(m_pBuffer, pTheStuff)) )
- {
- result = m_pViewSourceResponse->SourceReady(HXR_OK,
- pTheStuff);
- }
- else
- {
- result = m_pViewSourceResponse->SourceReady(HXR_FAIL, NULL);
- }
- HX_RELEASE(pTheStuff);
- }
- else
- {
- result = m_pViewSourceResponse->SourceReady(HXR_OK, m_pBuffer);
- }
- }
- else
- {
- result = m_pViewSourceResponse->SourceReady(HXR_FAIL, NULL);
- }
- }
- return result;
- }
- /************************************************************************
- * Method:
- * IHXFileResponse::WriteDone
- * Purpose:
- * Notification interface provided by users of the IHXFileObject
- * interface. This method is called by the IHXFileObject when the
- * last write to the file is complete.
- */
- STDMETHODIMP CShadowViewSource::WriteDone(HX_RESULT status)
- {
- // We don't ever write, so we don't expect to get this...
- return HXR_UNEXPECTED;
- }
- /************************************************************************
- * Method:
- * IHXFileResponse::SeekDone
- * Purpose:
- * Notification interface provided by users of the IHXFileObject
- * interface. This method is called by the IHXFileObject when the
- * last seek in the file is complete.
- */
- STDMETHODIMP CShadowViewSource::SeekDone(HX_RESULT status)
- {
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXFileResponse::CloseDone
- * Purpose:
- * Notification interface provided by users of the IHXFileObject
- * interface. This method is called by the IHXFileObject when the
- * close of the file is complete.
- */
- STDMETHODIMP CShadowViewSource::CloseDone(HX_RESULT status)
- {
- return HXR_OK;
- }