Leaked source code of windows server 2003
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120 lines
2.9 KiB

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