397 lines
8.2 KiB
C++
397 lines
8.2 KiB
C++
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//***************************************************************************
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// METHOD.CPP
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//
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// alanbos 15-Aug-96 Created.
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//
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// Defines the implementation of ISWbemMethod
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//
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//***************************************************************************
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#include "precomp.h"
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//***************************************************************************
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//
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// CSWbemMethod::CSWbemMethod
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//
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// DESCRIPTION:
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//
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// Constructor.
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//
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//***************************************************************************
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CSWbemMethod::CSWbemMethod(
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CSWbemServices *pService,
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IWbemClassObject *pIWbemClassObject,
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BSTR name
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)
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{
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m_Dispatch.SetObj (this, IID_ISWbemMethod,
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CLSID_SWbemMethod, L"SWbemMethod");
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m_cRef=1;
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m_pIWbemClassObject = pIWbemClassObject;
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m_pIWbemClassObject->AddRef ();
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m_pSWbemServices = pService;
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if (m_pSWbemServices)
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m_pSWbemServices->AddRef ();
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m_name = SysAllocString (name);
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InterlockedIncrement(&g_cObj);
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}
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//***************************************************************************
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//
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// CSWbemMethod::~CSWbemMethod
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//
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// DESCRIPTION:
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//
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// Destructor.
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//
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//***************************************************************************
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CSWbemMethod::~CSWbemMethod(void)
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{
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InterlockedDecrement(&g_cObj);
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if (m_pIWbemClassObject)
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m_pIWbemClassObject->Release ();
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if (m_pSWbemServices)
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m_pSWbemServices->Release ();
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SysFreeString (m_name);
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}
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//***************************************************************************
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// HRESULT CSWbemMethod::QueryInterface
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// long CSWbemMethod::AddRef
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// long CSWbemMethod::Release
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//
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// DESCRIPTION:
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//
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// Standard Com IUNKNOWN functions.
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//
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//***************************************************************************
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STDMETHODIMP CSWbemMethod::QueryInterface (
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IN REFIID riid,
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OUT LPVOID *ppv
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)
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{
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*ppv=NULL;
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if (IID_IUnknown==riid)
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*ppv = reinterpret_cast<IUnknown*>(this);
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else if (IID_ISWbemMethod==riid)
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*ppv = (ISWbemMethod *)this;
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else if (IID_IDispatch==riid)
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*ppv = (IDispatch *)this;
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else if (IID_ISupportErrorInfo==riid)
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*ppv = (ISupportErrorInfo *)this;
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else if (IID_IProvideClassInfo==riid)
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*ppv = (IProvideClassInfo *)this;
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if (NULL!=*ppv)
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{
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((LPUNKNOWN)*ppv)->AddRef();
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return NOERROR;
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}
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return ResultFromScode(E_NOINTERFACE);
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}
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STDMETHODIMP_(ULONG) CSWbemMethod::AddRef(void)
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{
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InterlockedIncrement(&m_cRef);
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return m_cRef;
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}
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STDMETHODIMP_(ULONG) CSWbemMethod::Release(void)
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{
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InterlockedDecrement(&m_cRef);
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if (0L!=m_cRef)
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return m_cRef;
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delete this;
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return 0;
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}
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//***************************************************************************
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// HRESULT CSWbemMethod::InterfaceSupportsErrorInfo
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//
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// DESCRIPTION:
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//
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// Standard Com ISupportErrorInfo functions.
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//
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//***************************************************************************
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STDMETHODIMP CSWbemMethod::InterfaceSupportsErrorInfo (IN REFIID riid)
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{
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return (IID_ISWbemMethod == riid) ? S_OK : S_FALSE;
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}
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//***************************************************************************
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//
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// SCODE CSWbemMethod::get_Name
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//
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// DESCRIPTION:
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//
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// Retrieve the method name
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//
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// PARAMETERS:
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//
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// pName holds the name on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemMethod::get_Name (
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BSTR *pName
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)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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ResetLastErrors ();
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if (NULL == pName)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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*pName = SysAllocString (m_name);
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemMethod::get_InParameters
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//
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// DESCRIPTION:
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//
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// Retrieve the method in parameters signature
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//
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// PARAMETERS:
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//
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// ppInSignature addresses the in signature on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemMethod::get_InParameters (
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ISWbemObject **ppInSignature
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == ppInSignature)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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*ppInSignature = NULL;
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if (m_pIWbemClassObject)
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{
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IWbemClassObject *pInSig = NULL;
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/*
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* Note that if there are no in parameters, the following
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* call will succeed but pInSig will be NULL.
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*/
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if ((WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->GetMethod
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(m_name, 0, &pInSig, NULL))) && pInSig)
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{
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CSWbemObject *pObject = new CSWbemObject (m_pSWbemServices, pInSig);
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if (!pObject)
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hr = WBEM_E_OUT_OF_MEMORY;
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else if (FAILED(hr = pObject->QueryInterface (IID_ISWbemObject,
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(PPVOID) ppInSignature)))
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delete pObject;
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pInSig->Release ();
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}
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}
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemMethod::get_OutParameters
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//
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// DESCRIPTION:
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//
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// Retrieve the method out parameters signature
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//
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// PARAMETERS:
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//
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// ppOutSignature addresses the out signature on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemMethod::get_OutParameters (
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ISWbemObject **ppOutSignature
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == ppOutSignature)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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*ppOutSignature = NULL;
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if (m_pIWbemClassObject)
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{
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IWbemClassObject *pOutSig = NULL;
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/*
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* Note that if there are no in parameters, the following
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* call will succeed but pOutSig will be NULL.
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*/
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if ((WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->GetMethod
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(m_name, 0, NULL, &pOutSig))) && pOutSig)
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{
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CSWbemObject *pObject = new CSWbemObject (m_pSWbemServices, pOutSig);
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if (!pObject)
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hr = WBEM_E_OUT_OF_MEMORY;
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else if (FAILED(hr = pObject->QueryInterface (IID_ISWbemObject,
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(PPVOID) ppOutSignature)))
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delete pObject;
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pOutSig->Release ();
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}
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}
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemMethod::get_Origin
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//
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// DESCRIPTION:
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//
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// Retrieve the method origin
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//
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// PARAMETERS:
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//
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// pOrigin holds the origin class on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemMethod::get_Origin (
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BSTR *pOrigin
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)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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ResetLastErrors ();
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if (NULL == pOrigin)
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hr = WBEM_E_INVALID_PARAMETER;
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else
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{
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if (m_pIWbemClassObject)
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m_pIWbemClassObject->GetMethodOrigin (m_name, pOrigin);
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if (NULL == *pOrigin)
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*pOrigin = SysAllocString (OLESTR(""));
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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//***************************************************************************
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//
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// SCODE CSWbemMethod::get_Qualifiers_
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//
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// DESCRIPTION:
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//
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// Retrieve the method qualifier set
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//
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// PARAMETERS:
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//
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// ppQualSet addresses the qualifier set on return
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//
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// RETURN VALUES:
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//
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// WBEM_S_NO_ERROR success
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// WBEM_E_INVALID_PARAMETER bad input parameters
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// WBEM_E_FAILED otherwise
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//
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//***************************************************************************
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HRESULT CSWbemMethod::get_Qualifiers_ (
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ISWbemQualifierSet **ppQualSet
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)
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{
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HRESULT hr = WBEM_E_FAILED;
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ResetLastErrors ();
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if (NULL == ppQualSet)
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hr = WBEM_E_INVALID_PARAMETER;
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else if (m_pIWbemClassObject)
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{
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IWbemQualifierSet *pQualSet = NULL;
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if (WBEM_S_NO_ERROR == (hr = m_pIWbemClassObject->GetMethodQualifierSet
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(m_name, &pQualSet)))
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{
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if (!(*ppQualSet = new CSWbemQualifierSet (pQualSet)))
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hr = WBEM_E_OUT_OF_MEMORY;
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pQualSet->Release ();
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}
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}
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if (FAILED(hr))
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m_Dispatch.RaiseException (hr);
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return hr;
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}
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