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//******************************************************************************
//
// ANALYSER.H
//
// Copyright (C) 1996-1999 Microsoft Corporation
//
//******************************************************************************
#ifndef __WBEM_ANALYSER__H_
#define __WBEM_ANALYSER__H_
#include "esscpol.h"
#include <stdio.h>
#include "wbemidl.h"
#include "wbemcomn.h"
#include "parmdefs.h"
#include "ql.h"
#include "eventrep.h"
#include "evaltree.h"
struct ESSCLI_POLARITY CClassInformation{ IWbemClassObject* m_pClass; LPWSTR m_wszClassName; BOOL m_bIncludeChildren; DWORD m_dwEventMask;public: CClassInformation() { m_wszClassName = NULL; m_pClass = NULL; } CClassInformation(const CClassInformation& Other) { m_wszClassName = CloneWstr(Other.m_wszClassName); if (!m_wszClassName) throw CX_MemoryException(); m_pClass = Other.m_pClass; if(m_pClass) m_pClass->AddRef(); m_bIncludeChildren = Other.m_bIncludeChildren; m_dwEventMask = Other.m_dwEventMask; }
~CClassInformation() { delete [] m_wszClassName; if(m_pClass) m_pClass->Release(); }};
class ESSCLI_POLARITY CClassInfoArray{protected: BOOL m_bLimited; CUniquePointerArray<CClassInformation>* m_pClasses;
public: CClassInfoArray(); ~CClassInfoArray(); BOOL IsLimited() {return m_bLimited;} int GetNumClasses() {return m_pClasses->GetSize();} INTERNAL CClassInformation* GetClass(int nIndex) {return (*m_pClasses)[nIndex]; }
void SetLimited(BOOL bLimited) {m_bLimited = bLimited;} bool operator=(CClassInfoArray& Other); bool SetOne(LPCWSTR wszClass, BOOL bIncludeChildren); void Clear() {m_bLimited = FALSE; m_pClasses->RemoveAll();} bool AddClass(ACQUIRE CClassInformation* pInfo) {return m_pClasses->Add(pInfo) >= 0;} void RemoveClass(int nIndex) {m_pClasses->RemoveAt(nIndex);}};
class ESSCLI_POLARITY CQueryAnalyser{public: static HRESULT GetPossibleInstanceClasses(QL_LEVEL_1_RPN_EXPRESSION* pExpr, CClassInfoArray*& paInfos); static HRESULT GetDefiniteInstanceClasses(QL_LEVEL_1_RPN_EXPRESSION* pExpr, CClassInfoArray*& paInfos); static HRESULT GetLimitingQueryForInstanceClass( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, IN CClassInformation& Info, OUT LPWSTR& wszQuery); static HRESULT GetNecessaryQueryForProperty( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, IN CPropertyName& PropName, DELETE_ME QL_LEVEL_1_RPN_EXPRESSION*& pNewExpr); static HRESULT GetNecessaryQueryForClass( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, IWbemClassObject* pClass, CWStringArray& awsOverriden, DELETE_ME QL_LEVEL_1_RPN_EXPRESSION*& pNewExpr); static BOOL CompareRequestedToProvided( CClassInfoArray& aRequestedInstanceClasses, CClassInfoArray& aProvidedInstanceClasses);
static HRESULT SimplifyQueryForChild( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, LPCWSTR wszClassName, IWbemClassObject* pClass, CContextMetaData* pMeta, DELETE_ME QL_LEVEL_1_RPN_EXPRESSION*& pNewExpr); static HRESULT CanPointToClass(IWbemClassObject* pRefClass, LPCWSTR wszPropName, LPCWSTR wszTargetClassName, CContextMetaData* pMeta);protected: enum { e_Keep, e_True, e_False, e_Invalid }; static HRESULT GetInstanceClasses(QL_LEVEL_1_TOKEN& Token, CClassInfoArray& aInfos); static HRESULT AndPossibleClassArrays(IN CClassInfoArray* paFirst, IN CClassInfoArray* paSecond, OUT CClassInfoArray* paNew); static HRESULT OrPossibleClassArrays(IN CClassInfoArray* paFirst, IN CClassInfoArray* paSecond, OUT CClassInfoArray* paNew); static HRESULT NegatePossibleClassArray(IN CClassInfoArray* paOrig, OUT CClassInfoArray* paNew); static HRESULT AndDefiniteClassArrays(IN CClassInfoArray* paFirst, IN CClassInfoArray* paSecond, OUT CClassInfoArray* paNew); static HRESULT OrDefiniteClassArrays(IN CClassInfoArray* paFirst, IN CClassInfoArray* paSecond, OUT CClassInfoArray* paNew); static HRESULT NegateDefiniteClassArray(IN CClassInfoArray* paOrig, OUT CClassInfoArray* paNew); static BOOL IsTokenAboutProperty( IN QL_LEVEL_1_TOKEN& Token, IN CPropertyName& PropName); static void AppendQueryExpression( IN QL_LEVEL_1_RPN_EXPRESSION* pDest, IN QL_LEVEL_1_RPN_EXPRESSION* pSource); static HRESULT AndQueryExpressions( IN QL_LEVEL_1_RPN_EXPRESSION* pFirst, IN QL_LEVEL_1_RPN_EXPRESSION* pSecond, OUT QL_LEVEL_1_RPN_EXPRESSION* pNew); static HRESULT OrQueryExpressions( IN QL_LEVEL_1_RPN_EXPRESSION* pFirst, IN QL_LEVEL_1_RPN_EXPRESSION* pSecond, OUT QL_LEVEL_1_RPN_EXPRESSION* pNew); static HRESULT NegateQueryExpression( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, OUT QL_LEVEL_1_RPN_EXPRESSION* pNewExpr); static int SimplifyTokenForChild(QL_LEVEL_1_TOKEN& Token, LPCWSTR wszClass, IWbemClassObject* pClass, CContextMetaData* pMeta); static BOOL ValidateSQLDateTime(LPCWSTR wszDateTime); static HRESULT GetPropertiesThatMustDiffer( IN QL_LEVEL_1_RPN_EXPRESSION* pExpr, IN CClassInformation& Info, CWStringArray& wsProperties); static BOOL IsTokenAboutClass(QL_LEVEL_1_TOKEN& Token, IWbemClassObject* pClass, CWStringArray& awsOverriden); static BOOL IsPropertyInClass(CPropertyName& Prop, IWbemClassObject* pClass, CWStringArray& awsOverriden);}; #endif
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