135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
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//***************************************************************************
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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.h
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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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#ifndef _QUERYPARSE_H_
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#define _QUERYPARSE_H_
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#include <wmiutils.h>
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#include <flexarry.h>
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#include "wqlnode.h"
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#include "genlex.h"
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#include "wql.h"
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#include "wbemint.h"
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class CWbemQNode : public IWbemQNode
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{
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public:
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CWbemQNode (IWbemQuery *query, const SWQLNode *node);
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virtual ~CWbemQNode (void);
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virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppv);
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virtual ULONG STDMETHODCALLTYPE AddRef (void);
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virtual ULONG STDMETHODCALLTYPE Release (void);
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virtual HRESULT STDMETHODCALLTYPE GetNodeType(
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/* [out] */ DWORD __RPC_FAR *pdwType);
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virtual HRESULT STDMETHODCALLTYPE 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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virtual HRESULT STDMETHODCALLTYPE GetSubNode(
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/* [in] */ DWORD dwFlags,
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/* [out] */ IWbemQNode __RPC_FAR *__RPC_FAR *pSubnode);
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protected:
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long m_cRef;
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IWbemQuery *m_query;
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const SWQLNode *m_node;
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};
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class CWbemQuery : public IWbemQuery
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{
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public:
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CWbemQuery (void);
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virtual ~CWbemQuery (void);
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void InitEmpty (void); // Used by the CGenFactory<> class factory.
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virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppv);
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virtual ULONG STDMETHODCALLTYPE AddRef (void);
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virtual ULONG STDMETHODCALLTYPE Release (void);
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virtual HRESULT STDMETHODCALLTYPE Empty (void);
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virtual HRESULT STDMETHODCALLTYPE 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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virtual HRESULT STDMETHODCALLTYPE TestLanguageFeature(
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/* [in,out] */ ULONG *uArraySize,
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/* [out] */ ULONG *puFeatures);
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virtual HRESULT STDMETHODCALLTYPE 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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virtual HRESULT STDMETHODCALLTYPE 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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virtual HRESULT STDMETHODCALLTYPE 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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virtual HRESULT STDMETHODCALLTYPE GetQueryInfo(
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/* [in] */ ULONG uInfoId,
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/* [in] */ LPCWSTR pszParam,
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/* [out] */ VARIANT __RPC_FAR *pv);
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virtual HRESULT STDMETHODCALLTYPE AttachClassDef(
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/* [in] */ REFIID riid,
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/* [iid_is][in] */ LPVOID pClassDef);
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protected:
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long m_cRef;
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CWQLParser *m_parser;
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_IWmiObject *m_class;
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HRESULT TestObject (_IWmiObject *pObject);
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HRESULT TestObject (_IWmiObject *pObject, const SWQLNode_RelExpr *pExpr);
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HRESULT TestExpression (_IWmiObject *pObject, const SWQLTypedExpr *pExpr);
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HRESULT TargetClass (VARIANT *pv);
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HRESULT SelectedProps (VARIANT *pv);
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HRESULT TestConjunctive (void);
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HRESULT TestConjunctive (const SWQLNode_RelExpr *pExpr);
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HRESULT PropertyEqualityValue (LPCWSTR pszParam, VARIANT *pv);
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HRESULT PropertyEqualityValue (const SWQLNode_RelExpr *pExpr, LPCWSTR pszParam, VARIANT *pv);
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HRESULT TestLF1Unary (void);
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HRESULT GetAnalysis (IWbemQNode **ppObject);
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HRESULT GetAnalysis (IWbemClassObject **pObject);
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static HRESULT LookupParserError (int error);
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static __int64 GetNumeric (const SWQLTypedConst *pExpr);
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static LPWSTR GetString (const SWQLTypedConst *pExpr);
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static bool GetBoolean (const SWQLTypedConst *pExpr);
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HRESULT CompareNumeric (__int64 prop, __int64 value, DWORD relation);
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HRESULT CompareNumeric (unsigned __int64 prop, unsigned __int64 value, DWORD relation);
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HRESULT CompareBoolean (bool prop, bool value, DWORD relation);
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HRESULT CompareString (LPWSTR prop, LPWSTR value, DWORD relation);
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};
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#endif // _QUERYPARSE_H_
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