792 lines
18 KiB
C++
792 lines
18 KiB
C++
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// Copyright (c) 1998-2000 Microsoft Corporation
|
||
|
|
//
|
||
|
|
// PROPERTY.CPP
|
||
|
|
//
|
||
|
|
// alanbos 15-Aug-96 Created.
|
||
|
|
//
|
||
|
|
// Defines the implementation of ISWbemProperty
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
#include "precomp.h"
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// CSWbemProperty::CSWbemProperty
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Constructor.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
CSWbemProperty::CSWbemProperty(
|
||
|
|
CSWbemServices *pService,
|
||
|
|
ISWbemInternalObject *pSWbemObject,
|
||
|
|
BSTR name)
|
||
|
|
{
|
||
|
|
m_Dispatch.SetObj (this, IID_ISWbemProperty,
|
||
|
|
CLSID_SWbemProperty, L"SWbemProperty");
|
||
|
|
m_cRef=1;
|
||
|
|
|
||
|
|
m_pSWbemObject = pSWbemObject;
|
||
|
|
m_pSWbemObject->AddRef ();
|
||
|
|
m_pSWbemObject->GetIWbemClassObject (&m_pIWbemClassObject);
|
||
|
|
|
||
|
|
m_pSite = new CWbemObjectSite (m_pSWbemObject);
|
||
|
|
|
||
|
|
m_pSWbemServices = pService;
|
||
|
|
|
||
|
|
if (m_pSWbemServices)
|
||
|
|
m_pSWbemServices->AddRef ();
|
||
|
|
|
||
|
|
m_name = SysAllocString (name);
|
||
|
|
InterlockedIncrement(&g_cObj);
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// CSWbemProperty::~CSWbemProperty
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Destructor.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
CSWbemProperty::~CSWbemProperty(void)
|
||
|
|
{
|
||
|
|
InterlockedDecrement(&g_cObj);
|
||
|
|
|
||
|
|
if (m_pSWbemObject)
|
||
|
|
m_pSWbemObject->Release ();
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
m_pIWbemClassObject->Release ();
|
||
|
|
|
||
|
|
if (m_pSWbemServices)
|
||
|
|
m_pSWbemServices->Release ();
|
||
|
|
|
||
|
|
if (m_pSite)
|
||
|
|
m_pSite->Release ();
|
||
|
|
|
||
|
|
SysFreeString (m_name);
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
// HRESULT CSWbemProperty::QueryInterface
|
||
|
|
// long CSWbemProperty::AddRef
|
||
|
|
// long CSWbemProperty::Release
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Standard Com IUNKNOWN functions.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
STDMETHODIMP CSWbemProperty::QueryInterface (
|
||
|
|
|
||
|
|
IN REFIID riid,
|
||
|
|
OUT LPVOID *ppv
|
||
|
|
)
|
||
|
|
{
|
||
|
|
*ppv=NULL;
|
||
|
|
|
||
|
|
if (IID_IUnknown==riid)
|
||
|
|
*ppv = reinterpret_cast<IUnknown*>(this);
|
||
|
|
else if (IID_ISWbemProperty==riid)
|
||
|
|
*ppv = (ISWbemProperty *)this;
|
||
|
|
else if (IID_IDispatch==riid)
|
||
|
|
*ppv = (IDispatch *)this;
|
||
|
|
else if (IID_ISupportErrorInfo==riid)
|
||
|
|
*ppv = (ISupportErrorInfo *)this;
|
||
|
|
else if (IID_IProvideClassInfo==riid)
|
||
|
|
*ppv = (IProvideClassInfo *)this;
|
||
|
|
|
||
|
|
if (NULL!=*ppv)
|
||
|
|
{
|
||
|
|
((LPUNKNOWN)*ppv)->AddRef();
|
||
|
|
return NOERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ResultFromScode(E_NOINTERFACE);
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG) CSWbemProperty::AddRef(void)
|
||
|
|
{
|
||
|
|
InterlockedIncrement(&m_cRef);
|
||
|
|
return m_cRef;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP_(ULONG) CSWbemProperty::Release(void)
|
||
|
|
{
|
||
|
|
InterlockedDecrement(&m_cRef);
|
||
|
|
if (0L!=m_cRef)
|
||
|
|
return m_cRef;
|
||
|
|
delete this;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
// HRESULT CSWbemProperty::InterfaceSupportsErrorInfo
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Standard Com ISupportErrorInfo functions.
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
STDMETHODIMP CSWbemProperty::InterfaceSupportsErrorInfo (IN REFIID riid)
|
||
|
|
{
|
||
|
|
return (IID_ISWbemProperty == riid) ? S_OK : S_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_Value
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property value
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pValue holds the value on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_Value (
|
||
|
|
VARIANT *pValue
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pValue)
|
||
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
VariantClear (pValue);
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
VARIANT var;
|
||
|
|
VariantInit (&var);
|
||
|
|
|
||
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->Get
|
||
|
|
(m_name, 0, &var, NULL, NULL)))
|
||
|
|
{
|
||
|
|
MapFromCIMOMObject(m_pSWbemServices, &var,
|
||
|
|
m_pSWbemObject, m_name);
|
||
|
|
|
||
|
|
if(var.vt & VT_ARRAY)
|
||
|
|
{
|
||
|
|
hr = ConvertArrayRev(pValue, &var);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = VariantCopy (pValue, &var);
|
||
|
|
}
|
||
|
|
|
||
|
|
VariantClear(&var);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::put_Value
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Set the property value
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pVal the new value
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::put_Value (
|
||
|
|
VARIANT *pVal
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
/*
|
||
|
|
* We can only _change_ the value, not the type. When dealing with
|
||
|
|
* CIMOM interfaces 2 golden rules must be obeyed.
|
||
|
|
* (1) For instance-level Put's, you can specify the CIMTYPE (provided
|
||
|
|
* you get it right), but can also specify 0.
|
||
|
|
* (2) For class-level Put's, always specify the CIMTYPE
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
CIMTYPE cimType = CIM_EMPTY;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr = m_pIWbemClassObject->Get (m_name, 0, NULL, &cimType, NULL)))
|
||
|
|
{
|
||
|
|
VARIANT vWMI;
|
||
|
|
VariantInit (&vWMI);
|
||
|
|
|
||
|
|
if (SUCCEEDED(WmiVariantChangeType(vWMI, pVal, cimType)))
|
||
|
|
hr = m_pIWbemClassObject->Put (m_name, 0, &vWMI, cimType);
|
||
|
|
|
||
|
|
VariantClear (&vWMI);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
// Did we save an embedded object value? If so make sure the
|
||
|
|
// site is correctly set to this property.
|
||
|
|
SetSite (pVal, m_pSWbemObject, m_name);
|
||
|
|
|
||
|
|
// Propagate the change to the owning site
|
||
|
|
if (m_pSite)
|
||
|
|
m_pSite->Update ();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_Name
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property name
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pName holds the name on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_Name (
|
||
|
|
BSTR *pName
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_S_NO_ERROR;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pName)
|
||
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
||
|
|
else
|
||
|
|
*pName = SysAllocString (m_name);
|
||
|
|
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_CIMType
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property base CIM type (i.e. without the array type)
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pType holds the type on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_CIMType (
|
||
|
|
WbemCimtypeEnum *pType
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pType)
|
||
|
|
return WBEM_E_INVALID_PARAMETER;
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
CIMTYPE cimType;
|
||
|
|
hr = m_pIWbemClassObject->Get (m_name, 0, NULL, &cimType, NULL);
|
||
|
|
*pType = (WbemCimtypeEnum)(cimType & ~CIM_FLAG_ARRAY);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_IsArray
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve whether the property is an array type
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pIsArray holds the value on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_IsArray (
|
||
|
|
VARIANT_BOOL *pIsArray
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pIsArray)
|
||
|
|
return WBEM_E_INVALID_PARAMETER;
|
||
|
|
|
||
|
|
*pIsArray = FALSE;
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
CIMTYPE cimType = CIM_EMPTY;
|
||
|
|
hr = m_pIWbemClassObject->Get (m_name, 0, NULL, &cimType, NULL);
|
||
|
|
*pIsArray = (0 != (cimType & CIM_FLAG_ARRAY))
|
||
|
|
? VARIANT_TRUE : VARIANT_FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_IsLocal
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property flavor
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pFlavor holds the flavor on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_IsLocal (
|
||
|
|
VARIANT_BOOL *pValue
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pValue)
|
||
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
long flavor = 0;
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->Get (m_name, 0, NULL, NULL, &flavor)))
|
||
|
|
*pValue = (WBEM_FLAVOR_ORIGIN_LOCAL == (flavor & WBEM_FLAVOR_MASK_ORIGIN)) ?
|
||
|
|
VARIANT_TRUE : VARIANT_FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_Origin
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property origin
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// pOrigin holds the origin class on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_Origin (
|
||
|
|
BSTR *pOrigin
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_S_NO_ERROR;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == pOrigin)
|
||
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
m_pIWbemClassObject->GetPropertyOrigin (m_name, pOrigin);
|
||
|
|
|
||
|
|
if (NULL == *pOrigin)
|
||
|
|
*pOrigin = SysAllocString (OLESTR(""));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::get_Qualifiers_
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Retrieve the property qualifier set
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// ppQualSet addresses the qualifier set on return
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::get_Qualifiers_ (
|
||
|
|
ISWbemQualifierSet **ppQualSet
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = WBEM_E_FAILED;
|
||
|
|
|
||
|
|
ResetLastErrors ();
|
||
|
|
|
||
|
|
if (NULL == ppQualSet)
|
||
|
|
hr = WBEM_E_INVALID_PARAMETER;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppQualSet = NULL;
|
||
|
|
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
IWbemQualifierSet *pQualSet = NULL;
|
||
|
|
|
||
|
|
if (WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->GetPropertyQualifierSet
|
||
|
|
(m_name, &pQualSet)))
|
||
|
|
{
|
||
|
|
if (!(*ppQualSet = new CSWbemQualifierSet (pQualSet, m_pSWbemObject)))
|
||
|
|
hr = WBEM_E_OUT_OF_MEMORY;
|
||
|
|
|
||
|
|
pQualSet->Release ();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
m_Dispatch.RaiseException (hr);
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::UpdateEmbedded
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Given a variant representing an embedded value, set the value
|
||
|
|
// and update the parent object.
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// var embedded value (VT_UNKNOWN)
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
void CSWbemProperty::UpdateEmbedded (VARIANT &vNewVal, long index)
|
||
|
|
{
|
||
|
|
if (m_pIWbemClassObject)
|
||
|
|
{
|
||
|
|
CIMTYPE cimType = CIM_EMPTY;
|
||
|
|
|
||
|
|
if (-1 == index)
|
||
|
|
{
|
||
|
|
m_pIWbemClassObject->Get (m_name, 0, NULL, &cimType, NULL);
|
||
|
|
m_pIWbemClassObject->Put (m_name, 0, &vNewVal, cimType);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
VARIANT vPropVal;
|
||
|
|
VariantInit(&vPropVal);
|
||
|
|
|
||
|
|
if (SUCCEEDED (m_pIWbemClassObject->Get (m_name, 0, &vPropVal, &cimType, NULL))
|
||
|
|
&& ((VT_UNKNOWN|VT_ARRAY) == V_VT(&vPropVal)))
|
||
|
|
{
|
||
|
|
|
||
|
|
// Set the value into the relevant index of the property value array
|
||
|
|
if (S_OK == SafeArrayPutElement (vPropVal.parray, &index, V_UNKNOWN(&vNewVal)))
|
||
|
|
{
|
||
|
|
// Set the entire property value
|
||
|
|
m_pIWbemClassObject->Put (m_name, 0, &vPropVal, cimType);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
VariantClear (&vPropVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CSWbemProperty::UpdateSite ()
|
||
|
|
{
|
||
|
|
// Update the parent site if it exists
|
||
|
|
if (m_pSite)
|
||
|
|
m_pSite->Update ();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//***************************************************************************
|
||
|
|
//
|
||
|
|
// SCODE CSWbemProperty::CPropertyDispatchHelp::HandleError
|
||
|
|
//
|
||
|
|
// DESCRIPTION:
|
||
|
|
//
|
||
|
|
// Provide bespoke handling of error conditions in the bolierplate
|
||
|
|
// Dispatch implementation.
|
||
|
|
//
|
||
|
|
// PARAMETERS:
|
||
|
|
//
|
||
|
|
// dispidMember, wFlags,
|
||
|
|
// pdispparams, pvarResult,
|
||
|
|
// puArgErr, All passed directly from IDispatch::Invoke
|
||
|
|
// hr The return code from the bolierplate invoke
|
||
|
|
//
|
||
|
|
// RETURN VALUES:
|
||
|
|
// The new return code (to be ultimately returned from Invoke)
|
||
|
|
//
|
||
|
|
// WBEM_S_NO_ERROR success
|
||
|
|
// WBEM_E_INVALID_PARAMETER bad input parameters
|
||
|
|
// WBEM_E_FAILED otherwise
|
||
|
|
//
|
||
|
|
//***************************************************************************
|
||
|
|
|
||
|
|
HRESULT CSWbemProperty::CPropertyDispatchHelp::HandleError (
|
||
|
|
DISPID dispidMember,
|
||
|
|
unsigned short wFlags,
|
||
|
|
DISPPARAMS FAR* pdispparams,
|
||
|
|
VARIANT FAR* pvarResult,
|
||
|
|
UINT FAR* puArgErr,
|
||
|
|
HRESULT hr
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if ((DISPID_VALUE == dispidMember) && (DISP_E_NOTACOLLECTION == hr) && (pdispparams->cArgs > 0))
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* We are looking for calls on the default member (the Value property) which
|
||
|
|
* supplied an argument. Since the Value property is of type VARIANT, this may
|
||
|
|
* be legal but undetectable by the standard Dispatch mechanism, because in the
|
||
|
|
* the case that the property happens to be an array type, it is meaningful to
|
||
|
|
* pass an index (the interpretation is that the index specifies an offset in
|
||
|
|
* the VT_ARRAY|VT_VARIANT structure that represents the property value).
|
||
|
|
*/
|
||
|
|
|
||
|
|
WbemCimtypeEnum cimtype;
|
||
|
|
VARIANT_BOOL isArray = FALSE;
|
||
|
|
ISWbemProperty *pProperty = NULL;
|
||
|
|
|
||
|
|
// This tells use where to expect the array index to appear in the argument list
|
||
|
|
UINT indexArg = (DISPATCH_PROPERTYGET & wFlags) ? 0 : 1;
|
||
|
|
|
||
|
|
if (SUCCEEDED (m_pObj->QueryInterface (IID_ISWbemProperty, (PPVOID) &pProperty)))
|
||
|
|
{
|
||
|
|
if (SUCCEEDED(pProperty->get_CIMType (&cimtype)) &&
|
||
|
|
SUCCEEDED(pProperty->get_IsArray (&isArray)) && (isArray))
|
||
|
|
{
|
||
|
|
// Extract the current property value
|
||
|
|
VARIANT vPropVal;
|
||
|
|
VariantInit(&vPropVal);
|
||
|
|
|
||
|
|
if (SUCCEEDED (pProperty->get_Value (&vPropVal)) && V_ISARRAY(&vPropVal))
|
||
|
|
{
|
||
|
|
VARIANT indexVar;
|
||
|
|
VariantInit (&indexVar);
|
||
|
|
|
||
|
|
// Attempt to coerce the index argument into a value suitable for an array index
|
||
|
|
if (S_OK == VariantChangeType (&indexVar, &pdispparams->rgvarg[indexArg], 0, VT_I4))
|
||
|
|
{
|
||
|
|
long lArrayPropInx = V_I4(&indexVar);
|
||
|
|
|
||
|
|
// Is this a Get? There should be one argument (the array index)
|
||
|
|
if (DISPATCH_PROPERTYGET & wFlags)
|
||
|
|
{
|
||
|
|
if (1 == pdispparams->cArgs)
|
||
|
|
{
|
||
|
|
// We should have a VT_ARRAY|VT_VARIANT value at this point; extract the
|
||
|
|
// VARIANT element we require
|
||
|
|
|
||
|
|
VariantInit (pvarResult);
|
||
|
|
hr = SafeArrayGetElement (vPropVal.parray, &lArrayPropInx, pvarResult);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = DISP_E_BADPARAMCOUNT;
|
||
|
|
}
|
||
|
|
else if (DISPATCH_PROPERTYPUT & wFlags)
|
||
|
|
{
|
||
|
|
if (2 == pdispparams->cArgs)
|
||
|
|
{
|
||
|
|
/*
|
||
|
|
* Try to interpret this as an array member set operation. For
|
||
|
|
* this the first argument passed is the new value, and the second
|
||
|
|
* is the array index.
|
||
|
|
*/
|
||
|
|
|
||
|
|
VARIANT vNewVal;
|
||
|
|
VariantInit(&vNewVal);
|
||
|
|
|
||
|
|
if (SUCCEEDED(VariantCopy(&vNewVal, &pdispparams->rgvarg[0])))
|
||
|
|
{
|
||
|
|
// Coerce the value if necessary (unless it's embedded)
|
||
|
|
|
||
|
|
if ((wbemCimtypeObject == cimtype) ||
|
||
|
|
(S_OK == VariantChangeType (&vNewVal, &vNewVal, 0, CimTypeToVtType (cimtype))))
|
||
|
|
{
|
||
|
|
// Check the index is not out of bounds and, if it is, grow
|
||
|
|
// the array accordingly
|
||
|
|
CheckArrayBounds (vPropVal.parray, lArrayPropInx);
|
||
|
|
|
||
|
|
// Set the value into the relevant index of the property value array
|
||
|
|
if (S_OK == (hr =
|
||
|
|
SafeArrayPutElement (vPropVal.parray, &lArrayPropInx, &vNewVal)))
|
||
|
|
{
|
||
|
|
// Set the entire property value
|
||
|
|
if (SUCCEEDED (pProperty->put_Value (&vPropVal)))
|
||
|
|
{
|
||
|
|
hr = S_OK;
|
||
|
|
// Upcast is OK here because m_pObj is really a (CSWbemProperty*)
|
||
|
|
CSWbemProperty *pSProperty = (CSWbemProperty *)m_pObj;
|
||
|
|
|
||
|
|
// Did we save an embedded object value? If so make sure the
|
||
|
|
// site is correctly set to this property.
|
||
|
|
SetSite (&pdispparams->rgvarg[0],
|
||
|
|
pSProperty->m_pSWbemObject, pSProperty->m_name,
|
||
|
|
lArrayPropInx);
|
||
|
|
|
||
|
|
// Propagate the change to the owning site
|
||
|
|
pSProperty->UpdateSite ();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = DISP_E_TYPEMISMATCH;
|
||
|
|
if (puArgErr)
|
||
|
|
*puArgErr = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = DISP_E_TYPEMISMATCH;
|
||
|
|
if (puArgErr)
|
||
|
|
*puArgErr = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
VariantClear (&vNewVal);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
hr = DISP_E_BADPARAMCOUNT;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = DISP_E_TYPEMISMATCH;
|
||
|
|
if (puArgErr)
|
||
|
|
*puArgErr = indexArg;
|
||
|
|
}
|
||
|
|
|
||
|
|
VariantClear (&indexVar);
|
||
|
|
}
|
||
|
|
|
||
|
|
VariantClear (&vPropVal);
|
||
|
|
}
|
||
|
|
|
||
|
|
pProperty->Release ();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|