hxordval.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:9k
- /* ***** 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 "hxtypes.h"
- #include "hxresult.h"
- #include "hxcom.h"
- #include "hxordval.h"
- #include "hxstrutl.h"
- #include "chxpckts.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- // IUnknown interface listing
- BEGIN_INTERFACE_LIST(CHXOrderedValues)
- INTERFACE_LIST_ENTRY(IID_IHXValues, IHXValues)
- END_INTERFACE_LIST
- ////////////////////////////////////////////////////////////////
- CHXOrderedValues::CHXOrderedValues() : m_CStringPos(NULL)
- {
- };
- ////////////////////////////////////////////////////////////////
- CHXOrderedValues::~CHXOrderedValues()
- {
- // go through CString list, deleting NameBufferPair objects
- if (!m_CStringList.IsEmpty())
- {
- LISTPOSITION ListPos = m_CStringList.GetHeadPosition();
- _CStoreNameBufferPair* pCandidate = (_CStoreNameBufferPair*) m_CStringList.GetHead();
-
- while ( ListPos != NULL)
- {
- if (pCandidate)
- {
- delete pCandidate;
- }
-
- pCandidate = (_CStoreNameBufferPair*) m_CStringList.GetAtNext(ListPos);
- }
- }
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::SetPropertyULONG32 (
- const char* pPropertyName,
- ULONG32 pPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetPropertyULONG32 (
- const char* pPropertyName,
- REF(ULONG32) uPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetFirstPropertyULONG32 (
- REF(const char*) pPropertyName,
- REF(ULONG32) uPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetNextPropertyULONG32 (
- REF(const char*) pPropertyName,
- REF(ULONG32) uPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::SetPropertyBuffer (
- const char* pPropertyName,
- IHXBuffer* pPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetPropertyBuffer (
- const char* pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetFirstPropertyBuffer (
- REF(const char*) pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetNextPropertyBuffer (
- REF(const char*) pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- return HXR_NOTIMPL;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::SetPropertyCString (
- const char* pPropertyName,
- IHXBuffer* pPropertyValue)
- {
- if (!pPropertyValue) return HXR_UNEXPECTED;
- HX_ASSERT(pPropertyName);
- if (!pPropertyName) return HXR_UNEXPECTED;
-
- _CStoreNameBufferPair* pnbpNew = NULL;
- // search list to see if name already exists.
- LISTPOSITION pos = FindCStringName(pPropertyName);
- if ( pos != NULL)
- {
- // we found an existing name/value pair with same name
- pnbpNew = (_CStoreNameBufferPair*) m_CStringList.GetAt(pos);
- // remove from list, we'll reuse the NameBufferPair object below
- m_CStringList.RemoveAt(pos);
- }
- else
- {
- pnbpNew = new _CStoreNameBufferPair;
- if(!pnbpNew)
- {
- return HXR_OUTOFMEMORY;
- }
- pnbpNew->SetName(pPropertyName);
- }
-
- pnbpNew->SetValue(pPropertyValue);
-
- // add to tail of list
- m_CStringList.AddTail( (void*)pnbpNew );
- return HXR_OK;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetPropertyCString (
- const char* pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- if (!pPropertyName) return HXR_UNEXPECTED;
- HX_RELEASE(pPropertyValue);
-
- // search list to see if name exists.
- LISTPOSITION pos = FindCStringName(pPropertyName);
- if ( pos == NULL)
- {
- return HXR_FAIL;
- }
-
- // we found an existing name/value pair with same name
- _CStoreNameBufferPair* pnbpValue = (_CStoreNameBufferPair*) m_CStringList.GetAt(pos);
-
- pPropertyValue = pnbpValue->GetValue();
- return HXR_OK;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetFirstPropertyCString (
- REF(const char*) pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- pPropertyName = NULL;
- HX_RELEASE(pPropertyValue);
-
- if (m_CStringList.IsEmpty())
- return HXR_FAIL;
-
- m_CStringPos = m_CStringList.GetHeadPosition();
- _CStoreNameBufferPair* pnbpValue = (_CStoreNameBufferPair*) m_CStringList.GetAt(m_CStringPos);
- if (pnbpValue == NULL)
- return HXR_FAIL;
- pPropertyName = pnbpValue->GetName();
- pPropertyValue = pnbpValue->GetValue();
-
- return HXR_OK;
- }
- ////////////////////////////////////////////////////////////////
- STDMETHODIMP
- CHXOrderedValues::GetNextPropertyCString (
- REF(const char*) pPropertyName,
- REF(IHXBuffer*) pPropertyValue)
- {
- pPropertyName = NULL;
- HX_RELEASE(pPropertyValue);
-
- if (m_CStringList.IsEmpty() || m_CStringPos==NULL )
- return HXR_FAIL;
-
- _CStoreNameBufferPair* pnbpValue = (_CStoreNameBufferPair*) m_CStringList.GetAtNext(m_CStringPos);
- if (pnbpValue == NULL)
- return HXR_FAIL;
- pPropertyName = pnbpValue->GetName();
- pPropertyValue = pnbpValue->GetValue();
-
- return HXR_OK;
- }
- ////////////////////////////////////////////////////////////////
- LISTPOSITION
- CHXOrderedValues::FindCStringName (const char* pPropertyName)
- {
- LISTPOSITION ListPos = NULL;
-
- // search list to see if name already exists.
- if ( !m_CStringList.IsEmpty() )
- {
- BOOL bFound = FALSE;
-
- ListPos = m_CStringList.GetHeadPosition();
- _CStoreNameBufferPair* pCandidate = (_CStoreNameBufferPair*) m_CStringList.GetHead();
-
- while ( ListPos != NULL)
- {
- // if we find the same name, delete it
- if ( (pCandidate != NULL) &&
- !(pCandidate->GetName().CompareNoCase(pPropertyName)) &&
- (pCandidate->GetName().GetLength() == strlen(pPropertyName)) )
- {
- bFound = TRUE;
- break;
- }
- else
- pCandidate = (_CStoreNameBufferPair*) m_CStringList.GetAtNext(ListPos);
- }
-
- if (!bFound)
- ListPos = NULL;
- }
- return ListPos;
- }