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//***************************************************************************
//
// (c) 2000 by Microsoft Corp. All Rights Reserved.
//
// queryparse.h
//
// a-davcoo 02-Mar-00 Implements the query parser and analysis
// interfaces.
//
//***************************************************************************
#ifndef _QUERYPARSE_H_
#define _QUERYPARSE_H_
#include <wmiutils.h>
#include <flexarry.h>
#include "wqlnode.h"
#include "genlex.h"
#include "wql.h"
#include "wbemint.h"
class CWbemQNode : public IWbemQNode{ public: CWbemQNode (IWbemQuery *query, const SWQLNode *node); virtual ~CWbemQNode (void);
virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppv); virtual ULONG STDMETHODCALLTYPE AddRef (void); virtual ULONG STDMETHODCALLTYPE Release (void);
virtual HRESULT STDMETHODCALLTYPE GetNodeType( /* [out] */ DWORD __RPC_FAR *pdwType); virtual HRESULT STDMETHODCALLTYPE GetNodeInfo( /* [in] */ LPCWSTR pszName, /* [in] */ DWORD dwFlags, /* [in] */ DWORD dwBufSize, /* [out] */ LPVOID pMem); virtual HRESULT STDMETHODCALLTYPE GetSubNode( /* [in] */ DWORD dwFlags, /* [out] */ IWbemQNode __RPC_FAR *__RPC_FAR *pSubnode);
protected: long m_cRef;
IWbemQuery *m_query; const SWQLNode *m_node;};
class CWbemQuery : public IWbemQuery{ public: CWbemQuery (void); virtual ~CWbemQuery (void); void InitEmpty (void); // Used by the CGenFactory<> class factory.
virtual HRESULT STDMETHODCALLTYPE QueryInterface (REFIID riid, void **ppv); virtual ULONG STDMETHODCALLTYPE AddRef (void); virtual ULONG STDMETHODCALLTYPE Release (void);
virtual HRESULT STDMETHODCALLTYPE Empty (void); virtual HRESULT STDMETHODCALLTYPE SetLanguageFeatures( /* [in] */ long lFlags, /* [in] */ ULONG uArraySize, /* [in] */ ULONG __RPC_FAR *puFeatures); virtual HRESULT STDMETHODCALLTYPE TestLanguageFeature( /* [in,out] */ ULONG *uArraySize, /* [out] */ ULONG *puFeatures); virtual HRESULT STDMETHODCALLTYPE Parse( /* [in] */ LPCWSTR pszLang, /* [in] */ LPCWSTR pszQuery, /* [in] */ ULONG uFlags); virtual HRESULT STDMETHODCALLTYPE GetAnalysis( /* [in] */ ULONG uFlags, /* [in] */ REFIID riid, /* [iid_is][out] */ LPVOID __RPC_FAR *pObj); virtual HRESULT STDMETHODCALLTYPE TestObject( /* [in] */ ULONG uFlags, /* [in] */ REFIID riid, /* [iid_is][in] */ LPVOID pObj); virtual HRESULT STDMETHODCALLTYPE GetQueryInfo( /* [in] */ ULONG uInfoId, /* [in] */ LPCWSTR pszParam, /* [out] */ VARIANT __RPC_FAR *pv); virtual HRESULT STDMETHODCALLTYPE AttachClassDef( /* [in] */ REFIID riid, /* [iid_is][in] */ LPVOID pClassDef);
protected: long m_cRef;
CWQLParser *m_parser; _IWmiObject *m_class;
HRESULT TestObject (_IWmiObject *pObject); HRESULT TestObject (_IWmiObject *pObject, const SWQLNode_RelExpr *pExpr); HRESULT TestExpression (_IWmiObject *pObject, const SWQLTypedExpr *pExpr); HRESULT TargetClass (VARIANT *pv); HRESULT SelectedProps (VARIANT *pv); HRESULT TestConjunctive (void); HRESULT TestConjunctive (const SWQLNode_RelExpr *pExpr); HRESULT PropertyEqualityValue (LPCWSTR pszParam, VARIANT *pv); HRESULT PropertyEqualityValue (const SWQLNode_RelExpr *pExpr, LPCWSTR pszParam, VARIANT *pv); HRESULT TestLF1Unary (void); HRESULT GetAnalysis (IWbemQNode **ppObject); HRESULT GetAnalysis (IWbemClassObject **pObject);
static HRESULT LookupParserError (int error);
static __int64 GetNumeric (const SWQLTypedConst *pExpr); static LPWSTR GetString (const SWQLTypedConst *pExpr); static bool GetBoolean (const SWQLTypedConst *pExpr);
HRESULT CompareNumeric (__int64 prop, __int64 value, DWORD relation); HRESULT CompareNumeric (unsigned __int64 prop, unsigned __int64 value, DWORD relation); HRESULT CompareBoolean (bool prop, bool value, DWORD relation); HRESULT CompareString (LPWSTR prop, LPWSTR value, DWORD relation);};
#endif // _QUERYPARSE_H_
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