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1291 lines
21 KiB
1291 lines
21 KiB
//***************************************************************************
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//
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// (c) 2000 by Microsoft Corp. All Rights Reserved.
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//
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// queryparse.cpp
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//
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// a-davcoo 02-Mar-00 Implements the query parser and analysis
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// interfaces.
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//
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//***************************************************************************
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#include "precomp.h"
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#include <stdio.h>
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#include "queryparse.h"
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#include "wbemcli.h"
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#include "wqllex.h"
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CWbemQNode::CWbemQNode (IWbemQuery *query, const SWQLNode *node) : m_query(query), m_node(node)
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{
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m_cRef=1;
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m_query->AddRef();
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}
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CWbemQNode::~CWbemQNode (void)
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{
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}
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HRESULT CWbemQNode::QueryInterface (REFIID riid, void **ppv)
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{
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if (IID_IUnknown==riid || IID_IWbemQNode==riid)
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{
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*ppv=this;
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}
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else
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{
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*ppv=NULL;
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}
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if (NULL!=*ppv)
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{
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AddRef();
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return NOERROR;
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}
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return E_NOINTERFACE;
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};
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ULONG CWbemQNode::AddRef(void)
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{
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m_query->AddRef();
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return InterlockedIncrement (&m_cRef);
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};
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ULONG CWbemQNode::Release(void)
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{
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m_query->Release();
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if (!InterlockedDecrement (&m_cRef))
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{
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delete this;
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}
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return m_cRef;
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};
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HRESULT CWbemQNode::GetNodeType(
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/* [out] */ DWORD __RPC_FAR *pdwType)
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{
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if (pdwType==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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*pdwType=m_node->m_dwNodeType;
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return WBEM_S_NO_ERROR;
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}
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HRESULT CWbemQNode::GetNodeInfo(
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/* [in] */ LPCWSTR pszName,
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/* [in] */ DWORD dwFlags,
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/* [in] */ DWORD dwBufSize,
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/* [out] */ LPVOID pMem)
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{
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switch (m_node->m_dwNodeType)
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{
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case WBEMQ_TYPE_SWQLNode_Select:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_TableRefs:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_ColumnList:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_FromClause:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_Sql89Join:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_Join:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_JoinPair:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_TableRef:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_OnClause:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_WhereClause:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_RelExpr:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_WhereOptions:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_GroupBy:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_Having:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_OrderBy:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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case WBEMQ_TYPE_SWQLNode_Datepart:
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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}
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return WBEM_E_INVALID_PARAMETER;
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}
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HRESULT CWbemQNode::GetSubNode(
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/* [in] */ DWORD dwFlags,
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/* [out] */ IWbemQNode __RPC_FAR *__RPC_FAR *pSubnode)
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{
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if (pSubnode==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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switch (dwFlags)
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{
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case WBEMQ_FLAG_LEFTNODE:
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{
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if (m_node->m_pLeft==NULL)
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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else
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{
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CWbemQNode *node=new CWbemQNode(m_query, m_node->m_pLeft);
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if (node==NULL)
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{
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return WBEM_E_OUT_OF_MEMORY;
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}
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HRESULT hr=node->QueryInterface (IID_IWbemQNode, (void **)pSubnode);
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node->Release();
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return hr;
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}
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}
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case WBEMQ_FLAG_RIGHTNODE:
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{
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if (m_node->m_pRight==NULL)
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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else
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{
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CWbemQNode *node=new CWbemQNode(m_query, m_node->m_pRight);
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if (node==NULL)
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{
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return WBEM_E_OUT_OF_MEMORY;
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}
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HRESULT hr=node->QueryInterface (IID_IWbemQNode, (void **)pSubnode);
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node->Release();
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return hr;
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}
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}
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default:
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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}
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return WBEM_E_FAILED;
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}
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CWbemQuery::CWbemQuery (void)
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{
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m_cRef=1;
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m_parser=NULL;
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m_class=NULL;
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}
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CWbemQuery::~CWbemQuery (void)
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{
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delete m_parser;
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if (m_class)
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{
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m_class->Release();
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}
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}
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HRESULT CWbemQuery::Empty (void)
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{
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delete m_parser;
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m_parser=NULL;
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if (m_class)
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{
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m_class->Release();
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m_class=NULL;
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}
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return WBEM_S_NO_ERROR;
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}
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void CWbemQuery::InitEmpty (void)
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{
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}
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HRESULT CWbemQuery::QueryInterface (REFIID riid, void **ppv)
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{
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if (IID_IUnknown==riid || IID_IWbemQuery==riid)
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{
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*ppv=this;
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}
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else
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{
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*ppv=NULL;
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}
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if (NULL!=*ppv)
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{
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AddRef();
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return NOERROR;
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}
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return E_NOINTERFACE;
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};
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ULONG CWbemQuery::AddRef(void)
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{
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return InterlockedIncrement (&m_cRef);
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};
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ULONG CWbemQuery::Release(void)
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{
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if (!InterlockedDecrement (&m_cRef))
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{
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delete this;
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}
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return m_cRef;
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};
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HRESULT CWbemQuery::SetLanguageFeatures(
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/* [in] */ long lFlags,
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/* [in] */ ULONG uArraySize,
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/* [in] */ ULONG __RPC_FAR *puFeatures)
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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HRESULT CWbemQuery::TestLanguageFeature(
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/* [in,out] */ ULONG *uArraySize,
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/* [out] */ ULONG *puFeatures)
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{
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if (m_parser==NULL)
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{
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return WBEM_E_INVALID_QUERY;
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}
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if (uArraySize==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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if (puFeatures==NULL)
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{
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*uArraySize=0;
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}
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return WBEM_E_NOT_AVAILABLE;
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}
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HRESULT CWbemQuery::Parse(
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/* [in] */ LPCWSTR pszLang,
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/* [in] */ LPCWSTR pszQuery,
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/* [in] */ ULONG uFlags)
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{
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if (pszQuery==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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delete m_parser;
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m_parser=NULL;
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if (!_wcsicmp (pszLang, L"wql"))
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{
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CTextLexSource query(pszQuery);
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m_parser=new CWQLParser(&query);
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if (m_parser==NULL)
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{
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return WBEM_E_OUT_OF_MEMORY;
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}
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else
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{
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HRESULT hr=LookupParserError(m_parser->Parse());
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if (FAILED(hr))
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{
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delete m_parser;
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m_parser=NULL;
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}
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return hr;
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}
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}
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else if (!_wcsicmp (pszLang, L"sql"))
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{
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return WBEM_E_NOT_AVAILABLE;
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}
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else
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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}
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HRESULT CWbemQuery::GetAnalysis(
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/* [in] */ ULONG uFlags,
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/* [in] */ REFIID riid,
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/* [iid_is][out] */ LPVOID __RPC_FAR *pObj)
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{
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if (pObj==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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if (m_parser==NULL || m_parser->GetParseRoot()==NULL)
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{
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return WBEM_E_INVALID_QUERY;
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}
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HRESULT hr=WBEM_E_INVALID_PARAMETER;
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*pObj=NULL;
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if (riid==IID_IWbemClassObject)
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{
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if (uFlags==WBEMQ_FLAG_SUMMARY_OBJECT)
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{
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hr=GetAnalysis ((IWbemClassObject **)pObj);
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}
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}
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else if (riid==IID_IWbemQNode)
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{
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if (uFlags==WBEMQ_FLAG_ANALYSIS_AST)
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{
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hr=GetAnalysis ((IWbemQNode **)pObj);
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}
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}
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else
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{
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if (uFlags==WBEMQ_FLAG_RPN_TOKENS)
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{
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hr=WBEM_E_NOT_AVAILABLE;
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}
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}
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return hr;
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}
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HRESULT CWbemQuery::GetAnalysis (IWbemQNode **ppObject)
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{
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HRESULT hr=WBEM_E_FAILED;
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CWbemQNode *node=new CWbemQNode(this, m_parser->GetParseRoot());
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if (node==NULL)
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{
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hr=WBEM_E_OUT_OF_MEMORY;
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}
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else
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{
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hr=node->QueryInterface (IID_IWbemQNode, (void **)ppObject);
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node->Release();
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}
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return hr;
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}
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HRESULT CWbemQuery::GetAnalysis (IWbemClassObject **ppObject)
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{
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*ppObject=NULL;
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return WBEM_E_NOT_AVAILABLE;
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}
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HRESULT CWbemQuery::TestObject(
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/* [in] */ ULONG uFlags,
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/* [in] */ REFIID riid,
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/* [iid_is][in] */ LPVOID pObj)
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{
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if (pObj==NULL)
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{
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return WBEM_E_INVALID_PARAMETER;
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}
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if (m_parser==NULL)
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{
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return WBEM_E_INVALID_QUERY;
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}
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_IWmiObject *pWmiObject=NULL;
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HRESULT hr=WBEM_E_INVALID_PARAMETER;
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if (riid==IID_IWbemClassObject)
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{
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hr=((IWbemClassObject *)pObj)->QueryInterface (IID__IWmiObject, (void **)&pWmiObject);
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}
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else if (riid==IID__IWmiObject)
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{
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pWmiObject=(_IWmiObject *)pObj;
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hr=pWmiObject->AddRef();
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}
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if (SUCCEEDED(hr))
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{
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hr=TestObject (pWmiObject);
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}
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if (pWmiObject!=NULL)
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{
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pWmiObject->Release();
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}
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return hr;
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}
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HRESULT CWbemQuery::TestObject (_IWmiObject *pObject)
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{
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const SWQLNode_WhereClause *pWhere=(SWQLNode_WhereClause *)m_parser->GetWhereClauseRoot();
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if (pWhere==NULL)
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{
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// No where clause.
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return WBEM_S_NO_ERROR;
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}
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const SWQLNode_RelExpr *pExpr=(SWQLNode_RelExpr *)pWhere->m_pLeft;
|
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if (pExpr==NULL)
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{
|
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// No expression.
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return WBEM_S_NO_ERROR;
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}
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|
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return TestObject (pObject, pExpr);
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}
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HRESULT CWbemQuery::TestObject (_IWmiObject *pObject, const SWQLNode_RelExpr *pExpr)
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{
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HRESULT hr=WBEM_E_FAILED;
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switch (pExpr->m_dwExprType)
|
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{
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case WQL_TOK_TYPED_EXPR:
|
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{
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hr=TestExpression (pObject, pExpr->m_pTypedExpr);
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break;
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}
|
|
|
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case WQL_TOK_AND:
|
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{
|
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hr=TestObject (pObject, (SWQLNode_RelExpr *)pExpr->m_pLeft);
|
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if (hr!=WBEM_S_FALSE)
|
|
{
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hr=TestObject (pObject, (SWQLNode_RelExpr *)pExpr->m_pRight);
|
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}
|
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|
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break;
|
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}
|
|
|
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case WQL_TOK_OR:
|
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{
|
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hr=TestObject (pObject, (SWQLNode_RelExpr *)pExpr->m_pLeft);
|
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if (hr==WBEM_S_FALSE)
|
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{
|
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hr=TestObject (pObject, (SWQLNode_RelExpr *)pExpr->m_pRight);
|
|
}
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|
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break;
|
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}
|
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|
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case WQL_TOK_NOT:
|
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{
|
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hr=TestObject (pObject, (SWQLNode_RelExpr *)pExpr->m_pLeft);
|
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if (hr==WBEM_S_FALSE)
|
|
{
|
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hr=WBEM_S_NO_ERROR;
|
|
}
|
|
else if (hr==WBEM_S_NO_ERROR)
|
|
{
|
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hr=WBEM_S_FALSE;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::TestExpression (_IWmiObject *pObject, const SWQLTypedExpr *pExpr)
|
|
{
|
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CIMTYPE cimtype;
|
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long handle;
|
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|
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HRESULT hr=pObject->GetPropertyHandleEx (pExpr->m_pColRef, 0, &cimtype, &handle);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
void *pProperty=NULL;
|
|
hr=pObject->GetPropAddrByHandle (handle, 0, NULL, &pProperty);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
switch (cimtype)
|
|
{
|
|
case CIM_SINT8:
|
|
case CIM_SINT16:
|
|
case CIM_SINT32:
|
|
case CIM_SINT64:
|
|
{
|
|
__int64 prop;
|
|
|
|
switch (cimtype)
|
|
{
|
|
case CIM_SINT8:
|
|
{
|
|
prop=*((__int8 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_SINT16:
|
|
{
|
|
prop=*((__int16 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_SINT32:
|
|
{
|
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prop=*((__int32 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_SINT64:
|
|
{
|
|
prop=*((__int64 *)pProperty);
|
|
break;
|
|
}
|
|
}
|
|
|
|
__int64 value=GetNumeric (pExpr->m_pConstValue);
|
|
hr=CompareNumeric (prop, value, pExpr->m_dwRelOperator);
|
|
|
|
break;
|
|
}
|
|
|
|
case CIM_UINT8:
|
|
case CIM_UINT16:
|
|
case CIM_UINT32:
|
|
case CIM_UINT64:
|
|
{
|
|
unsigned __int64 prop;
|
|
|
|
switch (cimtype)
|
|
{
|
|
case CIM_UINT8:
|
|
{
|
|
prop=*((unsigned __int8 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_UINT16:
|
|
{
|
|
prop=*((unsigned __int16 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_UINT32:
|
|
{
|
|
prop=*((unsigned __int32 *)pProperty);
|
|
break;
|
|
}
|
|
|
|
case CIM_UINT64:
|
|
{
|
|
prop=*((unsigned __int64 *)pProperty);
|
|
break;
|
|
}
|
|
}
|
|
|
|
unsigned __int64 value=GetNumeric (pExpr->m_pConstValue);
|
|
hr=CompareNumeric (prop, value, pExpr->m_dwRelOperator);
|
|
|
|
break;
|
|
}
|
|
|
|
case CIM_BOOLEAN:
|
|
{
|
|
unsigned __int16 temp=*((unsigned __int16 *)pProperty);
|
|
bool prop=(temp!=0);
|
|
|
|
bool value=GetBoolean (pExpr->m_pConstValue);
|
|
hr=CompareBoolean (prop, value, pExpr->m_dwRelOperator);
|
|
|
|
break;
|
|
}
|
|
|
|
case CIM_CHAR16:
|
|
case CIM_STRING:
|
|
{
|
|
LPWSTR prop=NULL;
|
|
|
|
switch (cimtype)
|
|
{
|
|
case CIM_CHAR16:
|
|
{
|
|
prop=new wchar_t[wcslen((wchar_t *)pProperty)+1];
|
|
if (prop==NULL)
|
|
{
|
|
hr=WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
else
|
|
{
|
|
wcscpy (prop, (wchar_t *)pProperty);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case CIM_STRING:
|
|
{
|
|
prop=new wchar_t[strlen((char *)pProperty)+1];
|
|
if (prop==NULL)
|
|
{
|
|
hr=WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
else
|
|
{
|
|
mbstowcs (prop, (char *)pProperty, strlen((char *)pProperty)+1);
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
LPWSTR value=GetString (pExpr->m_pConstValue);
|
|
hr=CompareString (prop, value, pExpr->m_dwRelOperator);
|
|
|
|
delete [] value;
|
|
}
|
|
|
|
delete [] prop;
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
hr=WBEM_E_NOT_AVAILABLE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::GetQueryInfo(
|
|
/* [in] */ ULONG uInfoId,
|
|
/* [in] */ LPCWSTR pszParam,
|
|
/* [out] */ VARIANT __RPC_FAR *pv)
|
|
{
|
|
if (m_parser==NULL)
|
|
{
|
|
return WBEM_E_INVALID_QUERY;
|
|
}
|
|
|
|
switch (uInfoId)
|
|
{
|
|
case WBEMQ_INF_IS_QUERY_LF1_UNARY:
|
|
{
|
|
return TestLF1Unary();
|
|
}
|
|
|
|
case WBEMQ_INF_IS_QUERY_CONJUNCTIVE:
|
|
{
|
|
return TestConjunctive();
|
|
}
|
|
|
|
case WBEMQ_INF_SELECT_STAR:
|
|
{
|
|
DWORD features=m_parser->GetFeatureFlags();
|
|
return (features & CWQLParser::Feature_SelectAll) ? WBEM_S_NO_ERROR : WBEM_S_FALSE;
|
|
}
|
|
|
|
case WBEMQ_INF_TARGET_CLASS:
|
|
{
|
|
if (pv==NULL)
|
|
{
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
return TargetClass (pv);
|
|
}
|
|
|
|
case WBEMQ_INF_SELECTED_PROPS:
|
|
{
|
|
if (pv==NULL)
|
|
{
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
return SelectedProps (pv);
|
|
}
|
|
|
|
case WBEMQ_INF_PROP_TEST_EQ:
|
|
{
|
|
if (pv==NULL)
|
|
{
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
return PropertyEqualityValue (pszParam, pv);
|
|
}
|
|
}
|
|
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::TargetClass (VARIANT *pv)
|
|
{
|
|
const SWQLNode_FromClause *pFrom=(SWQLNode_FromClause *)m_parser->GetFromClause();
|
|
if (pFrom==NULL)
|
|
{
|
|
return WBEM_E_INVALID_QUERY;
|
|
}
|
|
|
|
const SWQLNode_TableRef *pTableRef=(SWQLNode_TableRef *)pFrom->m_pLeft;
|
|
|
|
BSTR bstrVal=SysAllocString (pTableRef->m_pTableName);
|
|
if (bstrVal==NULL)
|
|
{
|
|
return WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
|
|
VariantInit (pv);
|
|
pv->bstrVal=bstrVal;
|
|
|
|
return WBEM_S_NO_ERROR;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::SelectedProps (VARIANT *pv)
|
|
{
|
|
const SWQLNode_ColumnList *pColumnList=(SWQLNode_ColumnList *)m_parser->GetColumnList();
|
|
if (pColumnList==NULL)
|
|
{
|
|
return WBEM_E_INVALID_QUERY;
|
|
}
|
|
|
|
HRESULT hr=WBEM_S_NO_ERROR;
|
|
const CFlexArray *columns=&(pColumnList->m_aColumnRefs);
|
|
int numcols=columns->Size();
|
|
SAFEARRAY *paColumns=NULL;
|
|
if (numcols>0)
|
|
{
|
|
SAFEARRAYBOUND bound[1];
|
|
bound[0].lLbound=0;
|
|
bound[0].cElements=numcols;
|
|
|
|
paColumns=SafeArrayCreate (VT_BSTR, 1, bound);
|
|
if (paColumns==NULL)
|
|
{
|
|
hr=WBEM_E_OUT_OF_MEMORY;
|
|
}
|
|
else
|
|
{
|
|
for (int i=0; i<numcols; i++)
|
|
{
|
|
const SWQLColRef *pColumn=(SWQLColRef *)columns->GetAt (i);
|
|
BSTR bstrVal=SysAllocString (pColumn->m_pColName);
|
|
if (bstrVal==NULL)
|
|
{
|
|
hr=WBEM_E_OUT_OF_MEMORY;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
long index=i;
|
|
hr=SafeArrayPutElement (paColumns, &index, bstrVal);
|
|
if (FAILED(hr))
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (FAILED(hr) && paColumns!=NULL)
|
|
{
|
|
SafeArrayDestroy (paColumns);
|
|
}
|
|
else
|
|
{
|
|
VariantInit (pv);
|
|
pv->parray=paColumns;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::TestConjunctive (void)
|
|
{
|
|
const SWQLNode_WhereClause *pWhere=(SWQLNode_WhereClause *)m_parser->GetWhereClauseRoot();
|
|
if (pWhere==NULL)
|
|
{
|
|
// No where clause.
|
|
return WBEM_S_FALSE;
|
|
}
|
|
|
|
const SWQLNode_RelExpr *pExpr=(SWQLNode_RelExpr *)pWhere->m_pLeft;
|
|
if (pExpr==NULL)
|
|
{
|
|
// No expression.
|
|
return WBEM_S_FALSE;
|
|
}
|
|
|
|
// Perform an in-order traversal of expression sub-tree.
|
|
return TestConjunctive (pExpr);
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::TestConjunctive (const SWQLNode_RelExpr *pExpr)
|
|
{
|
|
if (pExpr->m_dwExprType==WQL_TOK_TYPED_EXPR || pExpr->m_dwExprType==WQL_TOK_AND)
|
|
{
|
|
const SWQLNode_RelExpr *pLeft=(SWQLNode_RelExpr *)pExpr->m_pLeft;
|
|
if (pLeft!=NULL && TestConjunctive (pLeft)==WBEM_S_FALSE)
|
|
{
|
|
return WBEM_S_FALSE;
|
|
}
|
|
|
|
const SWQLNode_RelExpr *pRight=(SWQLNode_RelExpr *)pExpr->m_pRight;
|
|
if (pRight!=NULL && TestConjunctive (pRight)==WBEM_S_FALSE)
|
|
{
|
|
return WBEM_S_FALSE;
|
|
}
|
|
|
|
return WBEM_S_NO_ERROR;
|
|
}
|
|
|
|
return WBEM_S_FALSE;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::PropertyEqualityValue (LPCWSTR pszParam, VARIANT *pv)
|
|
{
|
|
const SWQLNode_WhereClause *pWhere=(SWQLNode_WhereClause *)m_parser->GetWhereClauseRoot();
|
|
if (pWhere==NULL)
|
|
{
|
|
// No where clause.
|
|
return WBEM_E_NOT_FOUND;
|
|
}
|
|
|
|
const SWQLNode_RelExpr *pExpr=(SWQLNode_RelExpr *)pWhere->m_pLeft;
|
|
if (pExpr==NULL)
|
|
{
|
|
// No expression.
|
|
return WBEM_E_NOT_FOUND;
|
|
}
|
|
|
|
// Perform an in-order traversal of expression sub-tree.
|
|
return PropertyEqualityValue (pExpr, pszParam, pv);
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::PropertyEqualityValue (const SWQLNode_RelExpr *pExpr, LPCWSTR pszParam, VARIANT *pv)
|
|
{
|
|
if (pExpr->m_dwExprType==WQL_TOK_TYPED_EXPR)
|
|
{
|
|
const SWQLTypedExpr *pTypedExpr=pExpr->m_pTypedExpr;
|
|
if (_wcsicmp (pTypedExpr->m_pColRef, pszParam)==0)
|
|
{
|
|
if (pTypedExpr->m_dwRelOperator!=WQL_TOK_EQ)
|
|
{
|
|
return WBEM_S_FALSE;
|
|
}
|
|
else
|
|
{
|
|
VariantInit (pv);
|
|
/// A-DAVCOO: Need to fill the variant with the value in the pTypedExpr.
|
|
return WBEM_S_NO_ERROR;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const SWQLNode_RelExpr *pLeft=(SWQLNode_RelExpr *)pExpr->m_pLeft;
|
|
if (pLeft!=NULL)
|
|
{
|
|
HRESULT hr=PropertyEqualityValue (pLeft, pszParam, pv);
|
|
if (hr!=WBEM_E_NOT_FOUND)
|
|
{
|
|
return hr;
|
|
}
|
|
}
|
|
|
|
const SWQLNode_RelExpr *pRight=(SWQLNode_RelExpr *)pExpr->m_pRight;
|
|
if (pRight!=NULL)
|
|
{
|
|
HRESULT hr=PropertyEqualityValue (pRight, pszParam, pv);
|
|
if (hr!=WBEM_E_NOT_FOUND)
|
|
{
|
|
return hr;
|
|
}
|
|
}
|
|
}
|
|
|
|
return WBEM_E_NOT_FOUND;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::TestLF1Unary (void)
|
|
{
|
|
const SWQLNode_FromClause *pFrom=(SWQLNode_FromClause *)m_parser->GetFromClause();
|
|
if (pFrom!=NULL)
|
|
{
|
|
const SWQLNode *pLeft=pFrom->m_pLeft;
|
|
if (pLeft->m_dwNodeType!=WBEMQ_TYPE_SWQLNode_TableRef)
|
|
{
|
|
return WBEM_S_FALSE;
|
|
}
|
|
}
|
|
|
|
return WBEM_S_NO_ERROR;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::AttachClassDef(
|
|
/* [in] */ REFIID riid,
|
|
/* [iid_is][in] */ LPVOID pClassDef)
|
|
{
|
|
if (pClassDef==NULL)
|
|
{
|
|
return WBEM_E_INVALID_PARAMETER;
|
|
}
|
|
|
|
_IWmiObject *pClass=NULL;
|
|
|
|
HRESULT hr=WBEM_E_INVALID_PARAMETER;
|
|
if (riid==IID_IWbemClassObject)
|
|
{
|
|
hr=((IWbemClassObject *)pClassDef)->QueryInterface (IID__IWmiObject, (void **)&pClass);
|
|
}
|
|
else if (riid==IID__IWmiObject)
|
|
{
|
|
pClass=(_IWmiObject *)pClassDef;
|
|
hr=pClass->AddRef();
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (m_class!=NULL)
|
|
{
|
|
m_class->Release();
|
|
}
|
|
|
|
m_class=pClass;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::LookupParserError (int error)
|
|
{
|
|
switch (error)
|
|
{
|
|
case CWQLParser::SUCCESS:
|
|
{
|
|
return WBEM_S_NO_ERROR;
|
|
}
|
|
|
|
case CWQLParser::SYNTAX_ERROR:
|
|
case CWQLParser::LEXICAL_ERROR:
|
|
{
|
|
return WBEM_E_INVALID_QUERY;
|
|
}
|
|
|
|
case CWQLParser::BUFFER_TOO_SMALL:
|
|
{
|
|
return WBEM_E_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
case CWQLParser::FAILED:
|
|
case CWQLParser::INTERNAL_ERROR:
|
|
{
|
|
return WBEM_E_FAILED;
|
|
}
|
|
|
|
default:
|
|
{
|
|
return WBEM_E_FAILED;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
__int64 CWbemQuery::GetNumeric (const SWQLTypedConst *pExpr)
|
|
{
|
|
__int64 dRet=0;
|
|
|
|
if (pExpr)
|
|
{
|
|
switch (pExpr->m_dwType)
|
|
{
|
|
case VT_LPWSTR:
|
|
{
|
|
dRet=_wtoi64 (pExpr->m_Value.m_pString);
|
|
break;
|
|
}
|
|
|
|
case VT_I4:
|
|
{
|
|
dRet=pExpr->m_Value.m_lValue;
|
|
break;
|
|
}
|
|
|
|
case VT_R4:
|
|
{
|
|
dRet=(__int64)pExpr->m_Value.m_dblValue;
|
|
break;
|
|
}
|
|
|
|
case VT_BOOL:
|
|
{
|
|
dRet=pExpr->m_Value.m_bValue;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
dRet=0;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return dRet;
|
|
}
|
|
|
|
|
|
LPWSTR CWbemQuery::GetString (const SWQLTypedConst *pExpr)
|
|
{
|
|
LPWSTR lpRet=NULL;
|
|
|
|
if (pExpr)
|
|
{
|
|
switch (pExpr->m_dwType)
|
|
{
|
|
case VT_LPWSTR:
|
|
{
|
|
lpRet=new wchar_t[wcslen (pExpr->m_Value.m_pString)+1];
|
|
wcscpy (lpRet, pExpr->m_Value.m_pString);
|
|
break;
|
|
}
|
|
|
|
case VT_I4:
|
|
{
|
|
lpRet=new wchar_t[30];
|
|
swprintf (lpRet, L"%ld", pExpr->m_Value.m_lValue);
|
|
break;
|
|
}
|
|
|
|
case VT_R4:
|
|
{
|
|
lpRet=new wchar_t[30];
|
|
swprintf (lpRet, L"%lG", pExpr->m_Value.m_dblValue);
|
|
break;
|
|
}
|
|
|
|
case VT_BOOL:
|
|
{
|
|
lpRet=new wchar_t[30];
|
|
swprintf (lpRet, L"%I64d", (__int64)pExpr->m_Value.m_bValue);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
lpRet=NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return lpRet;
|
|
}
|
|
|
|
|
|
bool CWbemQuery::GetBoolean (const SWQLTypedConst *pExpr)
|
|
{
|
|
return (GetNumeric (pExpr)!=0);
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::CompareNumeric (__int64 prop, __int64 value, DWORD relation)
|
|
{
|
|
HRESULT hr=WBEM_E_NOT_AVAILABLE;
|
|
|
|
switch (relation)
|
|
{
|
|
case WQL_TOK_LE:
|
|
{
|
|
hr=(prop<=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_GE:
|
|
{
|
|
hr=(prop>=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_EQ:
|
|
{
|
|
hr=(prop==value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_NE:
|
|
{
|
|
hr=(prop!=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_LT:
|
|
{
|
|
hr=(prop<value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_GT:
|
|
{
|
|
hr=(prop>value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::CompareNumeric (unsigned __int64 prop, unsigned __int64 value, DWORD relation)
|
|
{
|
|
HRESULT hr=WBEM_E_NOT_AVAILABLE;
|
|
|
|
switch (relation)
|
|
{
|
|
case WQL_TOK_LE:
|
|
{
|
|
hr=(prop<=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_GE:
|
|
{
|
|
hr=(prop>=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_EQ:
|
|
{
|
|
hr=(prop==value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_NE:
|
|
{
|
|
hr=(prop!=value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_LT:
|
|
{
|
|
hr=(prop<value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
|
|
case WQL_TOK_GT:
|
|
{
|
|
hr=(prop>value ? WBEM_S_NO_ERROR : WBEM_S_FALSE);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::CompareBoolean (bool prop, bool value, DWORD relation)
|
|
{
|
|
return CompareNumeric ((unsigned __int64)(prop ? 1 : 0), (unsigned __int64)(value ? 1 : 0), relation);
|
|
}
|
|
|
|
|
|
HRESULT CWbemQuery::CompareString (LPWSTR prop, LPWSTR value, DWORD relation)
|
|
{
|
|
return WBEM_E_NOT_AVAILABLE;
|
|
}
|