Source code of Windows XP (NT5)
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/*++
Copyright (c) 2000-2001 Microsoft Corporation
Module Name:
instancehelper.h
Abstract:
Definition of:
CInstanceHelper
Author:
Mohit Srivastava 22-Mar-2001
Revision History:
--*/
#ifndef _instancehelper_h_
#define _instancehelper_h_
#include <windows.h>
#include <wbemprov.h>
#include <genlex.h>
#include <opathlex.h>
#include <objpath.h>
#include <atlbase.h>
#include "sqllex.h"
#include <sql_1ext.h>
#include "schema.h"
#include "wbemservices.h"
//
// forward decl
//
class CMetabase;
class CInstanceHelper
{
public:
CInstanceHelper(
ParsedObjectPath* i_pParsedObjPath,
CWbemServices* i_pNamespace);
CInstanceHelper(
BSTR i_bstrObjPath,
CWbemServices* i_pNamespace);
~CInstanceHelper()
{
if(m_pParsedObjPath && m_bOwnObjPath)
{
m_PathParser.Free(m_pParsedObjPath);
}
}
void GetAssociation(
IWbemClassObject** o_ppObj,
bool i_bVerifyLeft =true,
bool i_bVerifyRight=true);
void GetInstance(
bool i_bCreateKeyIfNotExist,
CMetabase* io_pMetabase,
IWbemClassObject** o_ppObj,
SQL_LEVEL_1_RPN_EXPRESSION_EXT* i_pExp=NULL);
bool IsAssoc()
{
return (m_pWmiAssoc != NULL);
}
private:
void Init(
ParsedObjectPath* i_pParsedObjPath,
CWbemServices* i_pNamespace);
void PutProperty(
IWbemClassObject* i_pInstance,
const BSTR i_bstrPropName,
VARIANT* i_vtPropValue,
BOOL i_bIsInherited,
BOOL i_bIsDefault);
bool CheckForQueryMatch(
const SQL_LEVEL_1_TOKEN* i_pToken,
const VARIANT* i_pvtMatch);
bool m_bOwnObjPath;
ParsedObjectPath* m_pParsedObjPath;
CObjectPathParser m_PathParser;
WMI_CLASS* m_pWmiClass;
WMI_ASSOCIATION* m_pWmiAssoc;
CWbemServices* m_pNamespace;
};
#endif