Source code of Windows XP (NT5)
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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_