121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
//=============================================================================
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// The CResourceMap class is useful for several data categories. It contains
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// a map of the Win32_PnPAllocatedResource class.
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//=============================================================================
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#include "stdafx.h"
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#include "resourcemap.h"
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CResourceMap::CResourceMap() : m_dwInitTime(0), m_hr(S_OK) { }
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CResourceMap::~CResourceMap()
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{
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Empty();
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}
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void CResourceMap::Empty()
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{
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CString strKey;
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CStringList * plistStrings;
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for (POSITION pos = m_map.GetStartPosition(); pos != NULL;)
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{
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m_map.GetNextAssoc(pos, strKey, (CObject*&) plistStrings);
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if (plistStrings)
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delete plistStrings;
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}
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m_map.RemoveAll();
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}
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HRESULT CResourceMap::Initialize(CWMIHelper * pWMIHelper)
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{
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if (m_dwInitTime)
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return m_hr;
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ASSERT(pWMIHelper);
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Empty();
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CString aAssociationClasses[] =
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{
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_T("Win32_PnPAllocatedResource"),
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_T("Win32_CIMLogicalDeviceCIMDataFile"),
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_T("")
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};
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for (int j = 0; !aAssociationClasses[j].IsEmpty(); j++)
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{
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// Enumerate the class, inserting each Antecedent, Dependent pair into the map.
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CString strAntecedent, strDependent, strQuery;
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CStringList * pstringlist;
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CWMIObjectCollection * pCollection = NULL;
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HRESULT hr = pWMIHelper->Enumerate(aAssociationClasses[j], &pCollection);
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if (SUCCEEDED(hr))
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{
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CWMIObject * pObject = NULL;
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while (S_OK == pCollection->GetNext(&pObject))
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{
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strAntecedent.Empty();
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strDependent.Empty();
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if (SUCCEEDED(pObject->GetValueString(_T("Antecedent"), &strAntecedent)) &&
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SUCCEEDED(pObject->GetValueString(_T("Dependent"), &strDependent)))
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{
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// Strip off the machine and namespace (too many ways for these to be formatted).
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int i = strAntecedent.Find(_T(":"));
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if (i != -1)
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strAntecedent = strAntecedent.Right(strAntecedent.GetLength() - i - 1);
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i = strDependent.Find(_T(":"));
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if (i != -1)
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strDependent = strDependent.Right(strDependent.GetLength() - i - 1);
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pstringlist = Lookup(strAntecedent);
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if (!pstringlist)
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{
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pstringlist = new CStringList;
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if (pstringlist)
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m_map.SetAt(strAntecedent, (CObject *) pstringlist);
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}
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if (pstringlist)
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pstringlist->AddTail(strDependent);
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pstringlist = Lookup(strDependent);
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if (!pstringlist)
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{
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pstringlist = new CStringList;
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if (pstringlist)
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m_map.SetAt(strDependent, (CObject *) pstringlist);
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}
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if (pstringlist)
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pstringlist->AddTail(strAntecedent);
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}
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}
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delete pObject;
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delete pCollection;
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}
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else
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{
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m_hr = hr;
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break;
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}
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}
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m_dwInitTime = ::GetTickCount();
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return m_hr;
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}
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CStringList * CResourceMap::Lookup(const CString & strKey)
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{
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CStringList * plistStrings;
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if (m_map.Lookup(strKey, (CObject*&) plistStrings))
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return plistStrings;
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else
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return NULL;
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}
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