141 lines
3.2 KiB
C++
141 lines
3.2 KiB
C++
/*
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Copyright (c) 1998-1999 Microsoft Corporation
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Module Name:
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blbatt.cpp
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Abstract:
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Author:
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*/
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#include "stdafx.h"
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#include "blbgen.h"
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#include "blbatt.h"
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// variants are validated in the get/set safearray methods
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// bstrs are validated in the GetBstrCopy and SetBstr methods. they may also
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// be optionally validated before taking any action, if there is a possibility
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// of having to roll back some of the work done on finding them invalid
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STDMETHODIMP ITAttributeListImpl::get_Count(LONG * pVal)
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{
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BAIL_IF_NULL(pVal, E_INVALIDARG);
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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*pVal = (LONG)m_SdpAttributeList->GetSize();
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return S_OK;
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}
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STDMETHODIMP ITAttributeListImpl::get_Item(LONG Index, BSTR * pVal)
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{
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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// vb indices are in the range [1..GetSize()]
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if ( !((1 <= Index) && (Index <= m_SdpAttributeList->GetSize())) )
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{
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return E_INVALIDARG;
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}
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// adjust the index to the range [0..(GetSize()-1)]
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return ((SDP_REQD_BSTRING_LINE *)m_SdpAttributeList->GetAt(Index-1))->GetBstrCopy(pVal);
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}
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STDMETHODIMP ITAttributeListImpl::Add(LONG Index, BSTR Attribute)
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{
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BAIL_IF_NULL(Attribute, E_INVALIDARG);
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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// index should be in the range [1..GetSize()+1]
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if ( !((1 <= Index) && (Index <= (m_SdpAttributeList->GetSize()+1))) )
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{
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return E_INVALIDARG;
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}
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// create an attribute line
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SDP_REQD_BSTRING_LINE *AttributeLine =
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(SDP_REQD_BSTRING_LINE *)m_SdpAttributeList->CreateElement();
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if( NULL == AttributeLine )
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{
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return E_OUTOFMEMORY;
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}
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// set the passed in attribute in the attribute line
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HRESULT ToReturn = AttributeLine->SetBstr(Attribute);
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if ( FAILED(ToReturn) )
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{
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delete AttributeLine;
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return ToReturn;
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}
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// insert the attribute line, shift elements with equal or higher indices forwards
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m_SdpAttributeList->InsertAt(Index-1, AttributeLine);
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return S_OK;
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}
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STDMETHODIMP ITAttributeListImpl::Delete(LONG Index)
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{
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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// vb indices are in the range [1..GetSize()]
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if ( !((1 <= Index) && (Index <= m_SdpAttributeList->GetSize())) )
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{
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return E_INVALIDARG;
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}
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// adjust the index to the range [0..(GetSize()-1)]
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// delete the attribute line, remove the ptr from the array; shifting elements with higher
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// index lower
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delete m_SdpAttributeList->GetAt(Index-1);
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m_SdpAttributeList->RemoveAt(Index-1);
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return S_OK;
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}
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STDMETHODIMP ITAttributeListImpl::get_AttributeList(VARIANT /*SAFEARRAY(BSTR)*/ * pVal)
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{
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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return m_SdpAttributeList->GetSafeArray(pVal);
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}
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STDMETHODIMP ITAttributeListImpl::put_AttributeList(VARIANT /*SAFEARRAY(BSTR)*/ newVal)
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{
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CLock Lock(g_DllLock);
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ASSERT(NULL != m_SdpAttributeList);
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if ( NULL == V_ARRAY(&newVal) )
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{
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m_SdpAttributeList->Reset();
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return S_OK;
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}
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return m_SdpAttributeList->SetSafeArray(newVal);
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}
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