410 lines
12 KiB
C++
410 lines
12 KiB
C++
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//***************************************************************************
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//
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// Copyright (c) 1997-2001 Microsoft Corporation, All Rights Reserved
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//
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// FRQueryEx.cpp
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//
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// Purpose: Extended query support functions
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//
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//***************************************************************************
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#include "precomp.h"
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#include <smartptr.h>
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#include <analyser.h>
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#include <FRQueryEx.h>
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#include <assertbreak.h>
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#include <utils.h>
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#include "multiplat.h"
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CFrameworkQueryEx::CFrameworkQueryEx()
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{
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}
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CFrameworkQueryEx::~CFrameworkQueryEx()
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{
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}
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// See comments in header
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BOOL CFrameworkQueryEx::Is3TokenOR(LPCWSTR wszProp1, LPCWSTR wszProp2, VARIANT &vVar1, VARIANT &vVar2)
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{
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BOOL bRet = FALSE;
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if ((m_pLevel1RPNExpression != NULL) &&
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(m_pLevel1RPNExpression->nNumTokens == 3) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[2].nTokenType == SQL_LEVEL_1_TOKEN::TOKEN_OR) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[0].nTokenType == SQL_LEVEL_1_TOKEN::OP_EXPRESSION) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[1].nTokenType == SQL_LEVEL_1_TOKEN::OP_EXPRESSION) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[0].nOperator == SQL_LEVEL_1_TOKEN::OP_EQUAL) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[1].nOperator == SQL_LEVEL_1_TOKEN::OP_EQUAL)
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)
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{
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if (
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(_wcsicmp(m_pLevel1RPNExpression->pArrayOfTokens[0].pPropertyName, wszProp1) == 0) &&
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(_wcsicmp(m_pLevel1RPNExpression->pArrayOfTokens[1].pPropertyName, wszProp2) == 0))
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{
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VariantClear(&vVar1);
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VariantClear(&vVar2);
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if (FAILED(VariantCopy(&vVar1, &m_pLevel1RPNExpression->pArrayOfTokens[0].vConstValue)) ||
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FAILED(VariantCopy(&vVar2, &m_pLevel1RPNExpression->pArrayOfTokens[1].vConstValue)) )
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{
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throw CHeap_Exception ( CHeap_Exception :: E_ALLOCATION_ERROR ) ;
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}
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bRet = TRUE;
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}
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else if (
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(_wcsicmp(m_pLevel1RPNExpression->pArrayOfTokens[0].pPropertyName, wszProp2) == 0) &&
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(_wcsicmp(m_pLevel1RPNExpression->pArrayOfTokens[1].pPropertyName, wszProp1) == 0))
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{
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VariantClear(&vVar1);
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VariantClear(&vVar2);
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if (FAILED(VariantCopy(&vVar1, &m_pLevel1RPNExpression->pArrayOfTokens[1].vConstValue)) ||
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FAILED(VariantCopy(&vVar2, &m_pLevel1RPNExpression->pArrayOfTokens[0].vConstValue)) )
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{
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throw CHeap_Exception ( CHeap_Exception :: E_ALLOCATION_ERROR ) ;
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}
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bRet = TRUE;
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}
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}
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return bRet;
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}
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// See comments in header
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BOOL CFrameworkQueryEx::IsNTokenAnd(CHStringArray &sarr, CHPtrArray &sPtrArr)
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{
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BOOL bRet = FALSE;
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if (m_pLevel1RPNExpression != NULL)
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{
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// Walk all the tokens
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for (DWORD x = 0; x < m_pLevel1RPNExpression->nNumTokens; x++)
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{
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// If this is an expression token, and the expression is of type '='
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if ((m_pLevel1RPNExpression->pArrayOfTokens[x].nTokenType == SQL_LEVEL_1_TOKEN::OP_EXPRESSION) &&
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(m_pLevel1RPNExpression->pArrayOfTokens[x].nOperator == SQL_LEVEL_1_TOKEN::OP_EQUAL))
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{
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// convert the property name to upper case. This facilitates checking
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// to see if it is already in the list.
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_wcsupr(m_pLevel1RPNExpression->pArrayOfTokens[x].pPropertyName);
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// Check to see if we have already seen this property.
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if (IsInList(sarr, m_pLevel1RPNExpression->pArrayOfTokens[x].pPropertyName) == -1)
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{
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// Add the name to the list
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sarr.Add(m_pLevel1RPNExpression->pArrayOfTokens[x].pPropertyName);
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// Create a new variant for the value and add it to the list
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LPVOID pValue = new variant_t(m_pLevel1RPNExpression->pArrayOfTokens[x].vConstValue);
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try
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{
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sPtrArr.Add(pValue);
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}
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catch ( ... )
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{
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delete pValue;
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sarr.RemoveAll();
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DWORD dwSize = sPtrArr.GetSize();
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for (x = 0; x < dwSize; x++)
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{
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delete sPtrArr[x];
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}
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sPtrArr.RemoveAll();
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throw ;
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}
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bRet = TRUE;
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}
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else
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{
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// Already in list
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bRet = FALSE;
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break;
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}
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}
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// It wasn't an expression token, if it's not AND, we've failed.
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else if (m_pLevel1RPNExpression->pArrayOfTokens[x].nTokenType != SQL_LEVEL_1_TOKEN::TOKEN_AND)
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{
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bRet = FALSE;
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break;
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}
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}
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// If this didn't work, let's clean the CHPtrArray and CHStringArray
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if (!bRet)
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{
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sarr.RemoveAll();
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DWORD dwSize = sPtrArr.GetSize();
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for (x = 0; x < dwSize; x++)
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{
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delete sPtrArr[x];
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}
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sPtrArr.RemoveAll();
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}
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}
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return bRet;
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}
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// see comments in header
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HRESULT CFrameworkQueryEx::GetValuesForProp(LPCWSTR wszPropName, std::vector<int>& vectorValues)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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if (m_pLevel1RPNExpression != NULL)
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{
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hr = CQueryAnalyser::GetValuesForProp(m_pLevel1RPNExpression, wszPropName, vectorValues);
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if (SUCCEEDED(hr))
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{
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// Remove duplicates
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for (int x = 1; x < vectorValues.size(); x++)
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{
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for (int y = 0; y < x; y++)
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{
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if (vectorValues[y] == vectorValues[x])
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{
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vectorValues.erase(vectorValues.begin() + x);
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x--;
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}
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}
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}
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}
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else
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{
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vectorValues.clear();
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if (hr == WBEMESS_E_REGISTRATION_TOO_BROAD)
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{
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hr = WBEM_S_NO_ERROR;
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}
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}
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}
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else
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{
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ASSERT_BREAK(FALSE);
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vectorValues.clear();
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hr = WBEM_E_FAILED;
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}
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return hr;
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}
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// see comments in header
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HRESULT CFrameworkQueryEx::GetValuesForProp(LPCWSTR wszPropName, std::vector<_variant_t>& vectorValues)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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if (wszPropName && (m_pLevel1RPNExpression != NULL))
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{
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hr = CQueryAnalyser::GetValuesForProp(m_pLevel1RPNExpression, wszPropName, vectorValues);
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if (SUCCEEDED(hr))
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{
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// If this is a reference property, we need to normalize the names to a common form
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// so the removal of duplicates works correctly.
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if (IsReference(wszPropName))
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{
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// Get the current computer name
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CHString sOutPath, sComputerName;
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DWORD dwBufferLength = MAX_COMPUTERNAME_LENGTH + 1;
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FRGetComputerName(sComputerName.GetBuffer( dwBufferLength ), &dwBufferLength);
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sComputerName.ReleaseBuffer();
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if (sComputerName.IsEmpty())
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{
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sComputerName = L"DEFAULT";
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}
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DWORD dwRet = e_OK;
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// Normalize the path names. Try leaving the property names alone
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for (int x = 0; x < vectorValues.size(); x++)
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{
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// If we failed to parse the path, or if the namespace isn't our namespace, delete
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// the entry.
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if ( (V_VT(&vectorValues[x]) == VT_BSTR) &&
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(dwRet = NormalizePath(V_BSTR(&vectorValues[x]), sComputerName, GetNamespace(), 0, sOutPath)) == e_OK)
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{
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vectorValues[x] = sOutPath;
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}
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else if (dwRet == e_NullName)
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{
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break;
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}
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else
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{
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vectorValues.erase(vectorValues.begin() + x);
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x--;
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}
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}
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// If the key property names of any of the values were null, we have to set them all
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// to null.
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if (dwRet == e_NullName)
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{
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for (int x = 0; x < vectorValues.size(); x++)
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{
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// If we failed to parse the path, or if the namespace isn't our namespace, delete
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// the entry.
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if ( (V_VT(&vectorValues[x]) == VT_BSTR) &&
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(dwRet = NormalizePath(V_BSTR(&vectorValues[x]), sComputerName, GetNamespace(), NORMALIZE_NULL, sOutPath)) == e_OK)
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{
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vectorValues[x] = sOutPath;
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}
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else
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{
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vectorValues.erase(vectorValues.begin() + x);
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x--;
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}
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}
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}
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}
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// Remove duplicates
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for (int x = 1; x < vectorValues.size(); x++)
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{
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for (int y = 0; y < x; y++)
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{
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if (vectorValues[y] == vectorValues[x])
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{
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vectorValues.erase(vectorValues.begin() + x);
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x--;
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}
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}
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}
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}
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else
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{
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vectorValues.clear();
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if (hr == WBEMESS_E_REGISTRATION_TOO_BROAD)
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{
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hr = WBEM_S_NO_ERROR;
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}
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}
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}
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else
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{
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ASSERT_BREAK(FALSE);
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vectorValues.clear();
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hr = WBEM_E_FAILED;
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}
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return hr;
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}
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// See comments in header
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void CFrameworkQueryEx::GetPropertyBitMask(const CHPtrArray &Properties, LPVOID pBits)
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{
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if (AllPropertiesAreRequired())
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{
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SetAllBits(pBits, Properties.GetSize());
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}
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else
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{
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ZeroAllBits(pBits, Properties.GetSize());
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CHString sProperty;
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for (DWORD x=0; x < Properties.GetSize(); x++)
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{
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sProperty = (WCHAR *)Properties[x];
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sProperty.MakeUpper();
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if (IsInList(m_csaPropertiesRequired, sProperty) != -1)
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{
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SetBit(pBits, x);
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}
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}
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}
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}
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HRESULT CFrameworkQueryEx::InitEx(
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const BSTR bstrQueryFormat,
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const BSTR bstrQuery,
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long lFlags,
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CHString &sNamespace
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)
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{
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HRESULT hr = WBEM_S_NO_ERROR;
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// parse the query using the parsing interface
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IWbemQueryPtr pQueryInterface(CLSID_WbemQuery);
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hr = pQueryInterface->Parse(bstrQueryFormat, bstrQuery, 0);
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if (SUCCEEDED(hr))
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{
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ULONG uFeatureCount = WMIQ_LF_LAST;
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ULONG uFeatures[WMIQ_LF_LAST];
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hr = pQueryInterface->TestLanguageFeatures(0, &uFeatureCount, uFeatures);
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if (SUCCEEDED(hr))
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{
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if (uFeatures[0] == WMIQ_LF1_BASIC_SELECT)
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{
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// if this is a nova compatible select statement
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hr = Init(bstrQueryFormat, bstrQuery, lFlags, sNamespace);
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}
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else if (uFeatures[0] == WMIQ_LF18_ASSOCIATONS) // add others?
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{
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// Save the detailed query
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m_sQueryEx = bstrQuery;
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// create select statement from class name
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SWbemAssocQueryInf aqfBuff;
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hr = pQueryInterface->GetQueryInfo(WMIQ_ANALYSIS_ASSOC_QUERY, WMIQ_ASSOCQ_ASSOCIATORS, sizeof(aqfBuff), &aqfBuff);
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if (SUCCEEDED(hr))
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{
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CHString sQuery;
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// I don't know how to tell if this is an associators or a reference
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if (true)
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{
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sQuery.Format(L"Select * from %s", aqfBuff.m_pszAssocClass);
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}
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|
|
// Store the more basic query
|
||
|
|
hr = Init(bstrQueryFormat, bstrQuery, lFlags, sNamespace);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
hr = WBEM_E_INVALID_QUERY;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool CFrameworkQueryEx::IsExtended()
|
||
|
|
{
|
||
|
|
return !m_sQueryEx.IsEmpty();
|
||
|
|
}
|
||
|
|
|